Mercurial > hg > graal-jvmci-8
annotate src/cpu/x86/vm/sharedRuntime_x86_64.cpp @ 22458:c2c971a9776f
Remove unused frame_extension_argument from i2c adapters
| author | Tom Rodriguez <tom.rodriguez@oracle.com> |
|---|---|
| date | Mon, 24 Aug 2015 10:21:51 -0700 |
| parents | c28cb37b2e1d |
| children | f27c163d7dc2 |
| rev | line source |
|---|---|
| 0 | 1 /* |
|
14223
de6a9e811145
8029233: Update copyright year to match last edit in jdk8 hotspot repository for 2013
mikael
parents:
13384
diff
changeset
|
2 * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1506
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1506
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1506
diff
changeset
|
21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #include "precompiled.hpp" |
|
7199
cd3d6a6b95d9
8003240: x86: move MacroAssembler into separate file
twisti
parents:
6940
diff
changeset
|
26 #include "asm/macroAssembler.hpp" |
|
cd3d6a6b95d9
8003240: x86: move MacroAssembler into separate file
twisti
parents:
6940
diff
changeset
|
27 #include "asm/macroAssembler.inline.hpp" |
| 1972 | 28 #include "code/debugInfoRec.hpp" |
| 29 #include "code/icBuffer.hpp" | |
| 30 #include "code/vtableStubs.hpp" | |
| 31 #include "interpreter/interpreter.hpp" | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
32 #include "oops/compiledICHolder.hpp" |
| 1972 | 33 #include "prims/jvmtiRedefineClassesTrace.hpp" |
| 34 #include "runtime/sharedRuntime.hpp" | |
| 35 #include "runtime/vframeArray.hpp" | |
| 36 #include "vmreg_x86.inline.hpp" | |
| 37 #ifdef COMPILER1 | |
| 38 #include "c1/c1_Runtime1.hpp" | |
| 39 #endif | |
| 40 #ifdef COMPILER2 | |
| 41 #include "opto/runtime.hpp" | |
| 42 #endif | |
| 22298 | 43 #if INCLUDE_JVMCI |
|
21559
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21074
diff
changeset
|
44 #include "jvmci/jvmciJavaAccess.hpp" |
|
10475
3489047ffea2
Restructure the handling of HotSpotInstalledCode and their link to nmethods.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10409
diff
changeset
|
45 #endif |
| 0 | 46 |
|
3442
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
47 #define __ masm-> |
| 0 | 48 |
|
524
c9004fe53695
6792301: StackAlignmentInBytes not honored for compiled native methods
xlu
parents:
520
diff
changeset
|
49 const int StackAlignmentInSlots = StackAlignmentInBytes / VMRegImpl::stack_slot_size; |
|
c9004fe53695
6792301: StackAlignmentInBytes not honored for compiled native methods
xlu
parents:
520
diff
changeset
|
50 |
| 0 | 51 class SimpleRuntimeFrame { |
| 52 | |
| 53 public: | |
| 54 | |
| 55 // Most of the runtime stubs have this simple frame layout. | |
| 56 // This class exists to make the layout shared in one place. | |
| 57 // Offsets are for compiler stack slots, which are jints. | |
| 58 enum layout { | |
| 59 // The frame sender code expects that rbp will be in the "natural" place and | |
| 60 // will override any oopMap setting for it. We must therefore force the layout | |
| 61 // so that it agrees with the frame sender code. | |
| 62 rbp_off = frame::arg_reg_save_area_bytes/BytesPerInt, | |
| 63 rbp_off2, | |
| 64 return_off, return_off2, | |
| 65 framesize | |
| 66 }; | |
| 67 }; | |
| 68 | |
| 69 class RegisterSaver { | |
| 70 // Capture info about frame layout. Layout offsets are in jint | |
| 71 // units because compiler frame slots are jints. | |
| 72 #define DEF_XMM_OFFS(regnum) xmm ## regnum ## _off = xmm_off + (regnum)*16/BytesPerInt, xmm ## regnum ## H_off | |
| 73 enum layout { | |
| 74 fpu_state_off = frame::arg_reg_save_area_bytes/BytesPerInt, // fxsave save area | |
|
21884
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
75 xmm_off = fpu_state_off + 160/BytesPerInt, // offset in fxsave save area |
| 0 | 76 DEF_XMM_OFFS(0), |
| 77 DEF_XMM_OFFS(1), | |
| 78 DEF_XMM_OFFS(2), | |
| 79 DEF_XMM_OFFS(3), | |
| 80 DEF_XMM_OFFS(4), | |
| 81 DEF_XMM_OFFS(5), | |
| 82 DEF_XMM_OFFS(6), | |
| 83 DEF_XMM_OFFS(7), | |
| 84 DEF_XMM_OFFS(8), | |
| 85 DEF_XMM_OFFS(9), | |
| 86 DEF_XMM_OFFS(10), | |
| 87 DEF_XMM_OFFS(11), | |
| 88 DEF_XMM_OFFS(12), | |
| 89 DEF_XMM_OFFS(13), | |
| 90 DEF_XMM_OFFS(14), | |
| 91 DEF_XMM_OFFS(15), | |
|
21884
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
92 fpu_state_end = fpu_state_off + ((FPUStateSizeInWords-1)*wordSize / BytesPerInt), |
| 0 | 93 fpu_stateH_end, |
| 94 r15_off, r15H_off, | |
| 95 r14_off, r14H_off, | |
| 96 r13_off, r13H_off, | |
| 97 r12_off, r12H_off, | |
| 98 r11_off, r11H_off, | |
| 99 r10_off, r10H_off, | |
| 100 r9_off, r9H_off, | |
| 101 r8_off, r8H_off, | |
| 102 rdi_off, rdiH_off, | |
| 103 rsi_off, rsiH_off, | |
| 104 ignore_off, ignoreH_off, // extra copy of rbp | |
| 105 rsp_off, rspH_off, | |
| 106 rbx_off, rbxH_off, | |
| 107 rdx_off, rdxH_off, | |
| 108 rcx_off, rcxH_off, | |
| 109 rax_off, raxH_off, | |
| 110 // 16-byte stack alignment fill word: see MacroAssembler::push/pop_IU_state | |
| 111 align_off, alignH_off, | |
| 112 flags_off, flagsH_off, | |
| 113 // The frame sender code expects that rbp will be in the "natural" place and | |
| 114 // will override any oopMap setting for it. We must therefore force the layout | |
| 115 // so that it agrees with the frame sender code. | |
| 116 rbp_off, rbpH_off, // copy of rbp we will restore | |
| 117 return_off, returnH_off, // slot for return address | |
| 118 reg_save_size // size in compiler stack slots | |
| 119 }; | |
| 120 | |
| 121 public: | |
|
6792
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
122 static OopMap* save_live_registers(MacroAssembler* masm, int additional_frame_words, int* total_frame_words, bool save_vectors = false); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
123 static void restore_live_registers(MacroAssembler* masm, bool restore_vectors = false); |
| 0 | 124 |
| 125 // Offsets into the register save area | |
| 126 // Used by deoptimization when it is managing result register | |
| 127 // values on its own | |
| 128 | |
| 129 static int rax_offset_in_bytes(void) { return BytesPerInt * rax_off; } | |
| 304 | 130 static int rdx_offset_in_bytes(void) { return BytesPerInt * rdx_off; } |
| 0 | 131 static int rbx_offset_in_bytes(void) { return BytesPerInt * rbx_off; } |
|
2935
9b8f30608e62
deoptimization action (invalidate, reprofile, ...)
Lukas Stadler <lukas.stadler@jku.at>
parents:
2928
diff
changeset
|
132 static int r10_offset_in_bytes(void) { return BytesPerInt * r10_off; } |
| 0 | 133 static int xmm0_offset_in_bytes(void) { return BytesPerInt * xmm0_off; } |
| 134 static int return_offset_in_bytes(void) { return BytesPerInt * return_off; } | |
| 135 | |
| 136 // During deoptimization only the result registers need to be restored, | |
| 137 // all the other values have already been extracted. | |
| 138 static void restore_result_registers(MacroAssembler* masm); | |
| 139 }; | |
| 140 | |
|
6792
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
141 OopMap* RegisterSaver::save_live_registers(MacroAssembler* masm, int additional_frame_words, int* total_frame_words, bool save_vectors) { |
|
21884
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
142 int vect_words = 0; |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
143 int ymmhi_offset = -1; |
| 22298 | 144 #if defined(COMPILER2) || INCLUDE_JVMCI |
|
21884
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
145 if (save_vectors) { |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
146 assert(UseAVX > 0, "256bit vectors are supported only with AVX"); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
147 assert(MaxVectorSize == 32, "only 256bit vectors are supported now"); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
148 // Save upper half of YMM registes |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
149 vect_words = 16 * 16 / wordSize; |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
150 ymmhi_offset = additional_frame_words; |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
151 additional_frame_words += vect_words; |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
152 } |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
153 #else |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
154 assert(!save_vectors, "vectors are generated only by C2 and JVMCI"); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
155 #endif |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
156 |
| 0 | 157 // Always make the frame size 16-byte aligned |
| 158 int frame_size_in_bytes = round_to(additional_frame_words*wordSize + | |
| 159 reg_save_size*BytesPerInt, 16); | |
| 160 // OopMap frame size is in compiler stack slots (jint's) not bytes or words | |
| 161 int frame_size_in_slots = frame_size_in_bytes / BytesPerInt; | |
| 162 // The caller will allocate additional_frame_words | |
| 163 int additional_frame_slots = additional_frame_words*wordSize / BytesPerInt; | |
| 164 // CodeBlob frame size is in words. | |
| 165 int frame_size_in_words = frame_size_in_bytes / wordSize; | |
| 166 *total_frame_words = frame_size_in_words; | |
| 167 | |
| 168 // Save registers, fpu state, and flags. | |
| 169 // We assume caller has already pushed the return address onto the | |
| 170 // stack, so rsp is 8-byte aligned here. | |
| 171 // We push rpb twice in this sequence because we want the real rbp | |
| 172 // to be under the return like a normal enter. | |
| 173 | |
| 174 __ enter(); // rsp becomes 16-byte aligned here | |
| 175 __ push_CPU_state(); // Push a multiple of 16 bytes | |
|
6792
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
176 |
|
21884
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
177 if (vect_words > 0) { |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
178 assert(vect_words*wordSize == 256, ""); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
179 __ subptr(rsp, 256); // Save upper half of YMM registes |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
180 __ vextractf128h(Address(rsp, 0),xmm0); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
181 __ vextractf128h(Address(rsp, 16),xmm1); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
182 __ vextractf128h(Address(rsp, 32),xmm2); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
183 __ vextractf128h(Address(rsp, 48),xmm3); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
184 __ vextractf128h(Address(rsp, 64),xmm4); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
185 __ vextractf128h(Address(rsp, 80),xmm5); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
186 __ vextractf128h(Address(rsp, 96),xmm6); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
187 __ vextractf128h(Address(rsp,112),xmm7); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
188 __ vextractf128h(Address(rsp,128),xmm8); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
189 __ vextractf128h(Address(rsp,144),xmm9); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
190 __ vextractf128h(Address(rsp,160),xmm10); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
191 __ vextractf128h(Address(rsp,176),xmm11); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
192 __ vextractf128h(Address(rsp,192),xmm12); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
193 __ vextractf128h(Address(rsp,208),xmm13); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
194 __ vextractf128h(Address(rsp,224),xmm14); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
195 __ vextractf128h(Address(rsp,240),xmm15); |
|
6792
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
196 } |
| 0 | 197 if (frame::arg_reg_save_area_bytes != 0) { |
| 198 // Allocate argument register save area | |
| 304 | 199 __ subptr(rsp, frame::arg_reg_save_area_bytes); |
| 0 | 200 } |
| 201 | |
| 202 // Set an oopmap for the call site. This oopmap will map all | |
| 203 // oop-registers and debug-info registers as callee-saved. This | |
| 204 // will allow deoptimization at this safepoint to find all possible | |
| 205 // debug-info recordings, as well as let GC find all oops. | |
| 206 | |
| 207 OopMapSet *oop_maps = new OopMapSet(); | |
| 208 OopMap* map = new OopMap(frame_size_in_slots, 0); | |
|
6792
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
209 |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
210 #define STACK_OFFSET(x) VMRegImpl::stack2reg((x) + additional_frame_slots) |
|
21884
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
211 #define YMMHI_STACK_OFFSET(x) VMRegImpl::stack2reg((x / VMRegImpl::stack_slot_size) + ymmhi_offset) |
|
6792
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
212 |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
213 map->set_callee_saved(STACK_OFFSET( rax_off ), rax->as_VMReg()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
214 map->set_callee_saved(STACK_OFFSET( rcx_off ), rcx->as_VMReg()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
215 map->set_callee_saved(STACK_OFFSET( rdx_off ), rdx->as_VMReg()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
216 map->set_callee_saved(STACK_OFFSET( rbx_off ), rbx->as_VMReg()); |
| 0 | 217 // rbp location is known implicitly by the frame sender code, needs no oopmap |
| 218 // and the location where rbp was saved by is ignored | |
|
6792
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
219 map->set_callee_saved(STACK_OFFSET( rsi_off ), rsi->as_VMReg()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
220 map->set_callee_saved(STACK_OFFSET( rdi_off ), rdi->as_VMReg()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
221 map->set_callee_saved(STACK_OFFSET( r8_off ), r8->as_VMReg()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
222 map->set_callee_saved(STACK_OFFSET( r9_off ), r9->as_VMReg()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
223 map->set_callee_saved(STACK_OFFSET( r10_off ), r10->as_VMReg()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
224 map->set_callee_saved(STACK_OFFSET( r11_off ), r11->as_VMReg()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
225 map->set_callee_saved(STACK_OFFSET( r12_off ), r12->as_VMReg()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
226 map->set_callee_saved(STACK_OFFSET( r13_off ), r13->as_VMReg()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
227 map->set_callee_saved(STACK_OFFSET( r14_off ), r14->as_VMReg()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
228 map->set_callee_saved(STACK_OFFSET( r15_off ), r15->as_VMReg()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
229 map->set_callee_saved(STACK_OFFSET(xmm0_off ), xmm0->as_VMReg()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
230 map->set_callee_saved(STACK_OFFSET(xmm1_off ), xmm1->as_VMReg()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
231 map->set_callee_saved(STACK_OFFSET(xmm2_off ), xmm2->as_VMReg()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
232 map->set_callee_saved(STACK_OFFSET(xmm3_off ), xmm3->as_VMReg()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
233 map->set_callee_saved(STACK_OFFSET(xmm4_off ), xmm4->as_VMReg()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
234 map->set_callee_saved(STACK_OFFSET(xmm5_off ), xmm5->as_VMReg()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
235 map->set_callee_saved(STACK_OFFSET(xmm6_off ), xmm6->as_VMReg()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
236 map->set_callee_saved(STACK_OFFSET(xmm7_off ), xmm7->as_VMReg()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
237 map->set_callee_saved(STACK_OFFSET(xmm8_off ), xmm8->as_VMReg()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
238 map->set_callee_saved(STACK_OFFSET(xmm9_off ), xmm9->as_VMReg()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
239 map->set_callee_saved(STACK_OFFSET(xmm10_off), xmm10->as_VMReg()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
240 map->set_callee_saved(STACK_OFFSET(xmm11_off), xmm11->as_VMReg()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
241 map->set_callee_saved(STACK_OFFSET(xmm12_off), xmm12->as_VMReg()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
242 map->set_callee_saved(STACK_OFFSET(xmm13_off), xmm13->as_VMReg()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
243 map->set_callee_saved(STACK_OFFSET(xmm14_off), xmm14->as_VMReg()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
244 map->set_callee_saved(STACK_OFFSET(xmm15_off), xmm15->as_VMReg()); |
| 0 | 245 |
|
21737
c85c89f6b2d1
Reduce delta relative to hotspot for ymm register maps
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21736
diff
changeset
|
246 |
| 22298 | 247 #if defined(COMPILER2) || INCLUDE_JVMCI |
|
21737
c85c89f6b2d1
Reduce delta relative to hotspot for ymm register maps
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21736
diff
changeset
|
248 if (save_vectors) { |
|
21884
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
249 assert(ymmhi_offset != -1, "save area must exist"); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
250 map->set_callee_saved(YMMHI_STACK_OFFSET( 0), xmm0->as_VMReg()->next()->next()->next()->next()); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
251 map->set_callee_saved(YMMHI_STACK_OFFSET( 16), xmm1->as_VMReg()->next()->next()->next()->next()); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
252 map->set_callee_saved(YMMHI_STACK_OFFSET( 32), xmm2->as_VMReg()->next()->next()->next()->next()); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
253 map->set_callee_saved(YMMHI_STACK_OFFSET( 48), xmm3->as_VMReg()->next()->next()->next()->next()); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
254 map->set_callee_saved(YMMHI_STACK_OFFSET( 64), xmm4->as_VMReg()->next()->next()->next()->next()); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
255 map->set_callee_saved(YMMHI_STACK_OFFSET( 80), xmm5->as_VMReg()->next()->next()->next()->next()); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
256 map->set_callee_saved(YMMHI_STACK_OFFSET( 96), xmm6->as_VMReg()->next()->next()->next()->next()); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
257 map->set_callee_saved(YMMHI_STACK_OFFSET(112), xmm7->as_VMReg()->next()->next()->next()->next()); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
258 map->set_callee_saved(YMMHI_STACK_OFFSET(128), xmm8->as_VMReg()->next()->next()->next()->next()); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
259 map->set_callee_saved(YMMHI_STACK_OFFSET(144), xmm9->as_VMReg()->next()->next()->next()->next()); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
260 map->set_callee_saved(YMMHI_STACK_OFFSET(160), xmm10->as_VMReg()->next()->next()->next()->next()); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
261 map->set_callee_saved(YMMHI_STACK_OFFSET(176), xmm11->as_VMReg()->next()->next()->next()->next()); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
262 map->set_callee_saved(YMMHI_STACK_OFFSET(192), xmm12->as_VMReg()->next()->next()->next()->next()); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
263 map->set_callee_saved(YMMHI_STACK_OFFSET(208), xmm13->as_VMReg()->next()->next()->next()->next()); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
264 map->set_callee_saved(YMMHI_STACK_OFFSET(224), xmm14->as_VMReg()->next()->next()->next()->next()); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
265 map->set_callee_saved(YMMHI_STACK_OFFSET(240), xmm15->as_VMReg()->next()->next()->next()->next()); |
|
21737
c85c89f6b2d1
Reduce delta relative to hotspot for ymm register maps
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21736
diff
changeset
|
266 } |
|
c85c89f6b2d1
Reduce delta relative to hotspot for ymm register maps
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21736
diff
changeset
|
267 #endif |
|
c85c89f6b2d1
Reduce delta relative to hotspot for ymm register maps
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21736
diff
changeset
|
268 |
| 0 | 269 // %%% These should all be a waste but we'll keep things as they were for now |
| 270 if (true) { | |
|
6792
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
271 map->set_callee_saved(STACK_OFFSET( raxH_off ), rax->as_VMReg()->next()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
272 map->set_callee_saved(STACK_OFFSET( rcxH_off ), rcx->as_VMReg()->next()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
273 map->set_callee_saved(STACK_OFFSET( rdxH_off ), rdx->as_VMReg()->next()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
274 map->set_callee_saved(STACK_OFFSET( rbxH_off ), rbx->as_VMReg()->next()); |
| 0 | 275 // rbp location is known implicitly by the frame sender code, needs no oopmap |
|
6792
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
276 map->set_callee_saved(STACK_OFFSET( rsiH_off ), rsi->as_VMReg()->next()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
277 map->set_callee_saved(STACK_OFFSET( rdiH_off ), rdi->as_VMReg()->next()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
278 map->set_callee_saved(STACK_OFFSET( r8H_off ), r8->as_VMReg()->next()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
279 map->set_callee_saved(STACK_OFFSET( r9H_off ), r9->as_VMReg()->next()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
280 map->set_callee_saved(STACK_OFFSET( r10H_off ), r10->as_VMReg()->next()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
281 map->set_callee_saved(STACK_OFFSET( r11H_off ), r11->as_VMReg()->next()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
282 map->set_callee_saved(STACK_OFFSET( r12H_off ), r12->as_VMReg()->next()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
283 map->set_callee_saved(STACK_OFFSET( r13H_off ), r13->as_VMReg()->next()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
284 map->set_callee_saved(STACK_OFFSET( r14H_off ), r14->as_VMReg()->next()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
285 map->set_callee_saved(STACK_OFFSET( r15H_off ), r15->as_VMReg()->next()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
286 map->set_callee_saved(STACK_OFFSET(xmm0H_off ), xmm0->as_VMReg()->next()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
287 map->set_callee_saved(STACK_OFFSET(xmm1H_off ), xmm1->as_VMReg()->next()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
288 map->set_callee_saved(STACK_OFFSET(xmm2H_off ), xmm2->as_VMReg()->next()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
289 map->set_callee_saved(STACK_OFFSET(xmm3H_off ), xmm3->as_VMReg()->next()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
290 map->set_callee_saved(STACK_OFFSET(xmm4H_off ), xmm4->as_VMReg()->next()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
291 map->set_callee_saved(STACK_OFFSET(xmm5H_off ), xmm5->as_VMReg()->next()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
292 map->set_callee_saved(STACK_OFFSET(xmm6H_off ), xmm6->as_VMReg()->next()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
293 map->set_callee_saved(STACK_OFFSET(xmm7H_off ), xmm7->as_VMReg()->next()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
294 map->set_callee_saved(STACK_OFFSET(xmm8H_off ), xmm8->as_VMReg()->next()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
295 map->set_callee_saved(STACK_OFFSET(xmm9H_off ), xmm9->as_VMReg()->next()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
296 map->set_callee_saved(STACK_OFFSET(xmm10H_off), xmm10->as_VMReg()->next()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
297 map->set_callee_saved(STACK_OFFSET(xmm11H_off), xmm11->as_VMReg()->next()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
298 map->set_callee_saved(STACK_OFFSET(xmm12H_off), xmm12->as_VMReg()->next()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
299 map->set_callee_saved(STACK_OFFSET(xmm13H_off), xmm13->as_VMReg()->next()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
300 map->set_callee_saved(STACK_OFFSET(xmm14H_off), xmm14->as_VMReg()->next()); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
301 map->set_callee_saved(STACK_OFFSET(xmm15H_off), xmm15->as_VMReg()->next()); |
| 0 | 302 } |
| 303 | |
| 304 return map; | |
| 305 } | |
| 306 | |
|
6792
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
307 void RegisterSaver::restore_live_registers(MacroAssembler* masm, bool restore_vectors) { |
| 0 | 308 if (frame::arg_reg_save_area_bytes != 0) { |
| 309 // Pop arg register save area | |
| 304 | 310 __ addptr(rsp, frame::arg_reg_save_area_bytes); |
| 0 | 311 } |
| 22298 | 312 #if defined(COMPILER2) || INCLUDE_JVMCI |
|
6792
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
313 if (restore_vectors) { |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
314 // Restore upper half of YMM registes. |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
315 assert(UseAVX > 0, "256bit vectors are supported only with AVX"); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
316 assert(MaxVectorSize == 32, "only 256bit vectors are supported now"); |
|
21884
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
317 __ vinsertf128h(xmm0, Address(rsp, 0)); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
318 __ vinsertf128h(xmm1, Address(rsp, 16)); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
319 __ vinsertf128h(xmm2, Address(rsp, 32)); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
320 __ vinsertf128h(xmm3, Address(rsp, 48)); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
321 __ vinsertf128h(xmm4, Address(rsp, 64)); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
322 __ vinsertf128h(xmm5, Address(rsp, 80)); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
323 __ vinsertf128h(xmm6, Address(rsp, 96)); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
324 __ vinsertf128h(xmm7, Address(rsp,112)); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
325 __ vinsertf128h(xmm8, Address(rsp,128)); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
326 __ vinsertf128h(xmm9, Address(rsp,144)); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
327 __ vinsertf128h(xmm10, Address(rsp,160)); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
328 __ vinsertf128h(xmm11, Address(rsp,176)); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
329 __ vinsertf128h(xmm12, Address(rsp,192)); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
330 __ vinsertf128h(xmm13, Address(rsp,208)); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
331 __ vinsertf128h(xmm14, Address(rsp,224)); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
332 __ vinsertf128h(xmm15, Address(rsp,240)); |
|
525c4df9428b
Corrected ymm save location description
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21761
diff
changeset
|
333 __ addptr(rsp, 256); |
|
6792
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
334 } |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
335 #else |
|
21737
c85c89f6b2d1
Reduce delta relative to hotspot for ymm register maps
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21736
diff
changeset
|
336 assert(!restore_vectors, "vectors are generated only by C2 and JVMCI"); |
|
6792
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
337 #endif |
| 0 | 338 // Recover CPU state |
| 339 __ pop_CPU_state(); | |
| 340 // Get the rbp described implicitly by the calling convention (no oopMap) | |
| 304 | 341 __ pop(rbp); |
| 0 | 342 } |
| 343 | |
| 344 void RegisterSaver::restore_result_registers(MacroAssembler* masm) { | |
| 345 | |
| 346 // Just restore result register. Only used by deoptimization. By | |
| 347 // now any callee save register that needs to be restored to a c2 | |
| 348 // caller of the deoptee has been extracted into the vframeArray | |
| 349 // and will be stuffed into the c2i adapter we create for later | |
| 350 // restoration so only result registers need to be restored here. | |
| 351 | |
| 352 // Restore fp result register | |
| 353 __ movdbl(xmm0, Address(rsp, xmm0_offset_in_bytes())); | |
| 354 // Restore integer result register | |
| 304 | 355 __ movptr(rax, Address(rsp, rax_offset_in_bytes())); |
| 356 __ movptr(rdx, Address(rsp, rdx_offset_in_bytes())); | |
| 357 | |
| 0 | 358 // Pop all of the register save are off the stack except the return address |
| 304 | 359 __ addptr(rsp, return_offset_in_bytes()); |
| 0 | 360 } |
| 361 | |
|
6792
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
362 // Is vector's size (in bytes) bigger than a size saved by default? |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
363 // 16 bytes XMM registers are saved by default using fxsave/fxrstor instructions. |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
364 bool SharedRuntime::is_wide_vector(int size) { |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
365 return size > 16; |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
366 } |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
367 |
| 0 | 368 // The java_calling_convention describes stack locations as ideal slots on |
| 369 // a frame with no abi restrictions. Since we must observe abi restrictions | |
| 370 // (like the placement of the register window) the slots must be biased by | |
| 371 // the following value. | |
| 372 static int reg2offset_in(VMReg r) { | |
| 373 // Account for saved rbp and return address | |
| 374 // This should really be in_preserve_stack_slots | |
| 375 return (r->reg2stack() + 4) * VMRegImpl::stack_slot_size; | |
| 376 } | |
| 377 | |
| 378 static int reg2offset_out(VMReg r) { | |
| 379 return (r->reg2stack() + SharedRuntime::out_preserve_stack_slots()) * VMRegImpl::stack_slot_size; | |
| 380 } | |
| 381 | |
| 382 // --------------------------------------------------------------------------- | |
| 383 // Read the array of BasicTypes from a signature, and compute where the | |
| 384 // arguments should go. Values in the VMRegPair regs array refer to 4-byte | |
| 385 // quantities. Values less than VMRegImpl::stack0 are registers, those above | |
| 386 // refer to 4-byte stack slots. All stack slots are based off of the stack pointer | |
| 387 // as framesizes are fixed. | |
| 388 // VMRegImpl::stack0 refers to the first slot 0(sp). | |
| 389 // and VMRegImpl::stack0+1 refers to the memory word 4-byes higher. Register | |
| 390 // up to RegisterImpl::number_of_registers) are the 64-bit | |
| 391 // integer registers. | |
| 392 | |
| 393 // Note: the INPUTS in sig_bt are in units of Java argument words, which are | |
| 394 // either 32-bit or 64-bit depending on the build. The OUTPUTS are in 32-bit | |
| 395 // units regardless of build. Of course for i486 there is no 64 bit build | |
| 396 | |
| 397 // The Java calling convention is a "shifted" version of the C ABI. | |
| 398 // By skipping the first C ABI register we can call non-static jni methods | |
| 399 // with small numbers of arguments without having to shuffle the arguments | |
| 400 // at all. Since we control the java ABI we ought to at least get some | |
| 401 // advantage out of it. | |
| 402 | |
| 403 int SharedRuntime::java_calling_convention(const BasicType *sig_bt, | |
| 404 VMRegPair *regs, | |
| 405 int total_args_passed, | |
| 406 int is_outgoing) { | |
| 407 | |
| 408 // Create the mapping between argument positions and | |
| 409 // registers. | |
| 410 static const Register INT_ArgReg[Argument::n_int_register_parameters_j] = { | |
| 411 j_rarg0, j_rarg1, j_rarg2, j_rarg3, j_rarg4, j_rarg5 | |
| 412 }; | |
| 413 static const XMMRegister FP_ArgReg[Argument::n_float_register_parameters_j] = { | |
| 414 j_farg0, j_farg1, j_farg2, j_farg3, | |
| 415 j_farg4, j_farg5, j_farg6, j_farg7 | |
| 416 }; | |
| 417 | |
| 418 | |
| 419 uint int_args = 0; | |
| 420 uint fp_args = 0; | |
| 421 uint stk_args = 0; // inc by 2 each time | |
| 422 | |
| 423 for (int i = 0; i < total_args_passed; i++) { | |
| 424 switch (sig_bt[i]) { | |
| 425 case T_BOOLEAN: | |
| 426 case T_CHAR: | |
| 427 case T_BYTE: | |
| 428 case T_SHORT: | |
| 429 case T_INT: | |
| 430 if (int_args < Argument::n_int_register_parameters_j) { | |
| 431 regs[i].set1(INT_ArgReg[int_args++]->as_VMReg()); | |
| 432 } else { | |
| 433 regs[i].set1(VMRegImpl::stack2reg(stk_args)); | |
| 434 stk_args += 2; | |
| 435 } | |
| 436 break; | |
| 437 case T_VOID: | |
| 438 // halves of T_LONG or T_DOUBLE | |
| 439 assert(i != 0 && (sig_bt[i - 1] == T_LONG || sig_bt[i - 1] == T_DOUBLE), "expecting half"); | |
| 440 regs[i].set_bad(); | |
| 441 break; | |
| 442 case T_LONG: | |
| 443 assert(sig_bt[i + 1] == T_VOID, "expecting half"); | |
| 444 // fall through | |
| 445 case T_OBJECT: | |
| 446 case T_ARRAY: | |
| 447 case T_ADDRESS: | |
| 448 if (int_args < Argument::n_int_register_parameters_j) { | |
| 449 regs[i].set2(INT_ArgReg[int_args++]->as_VMReg()); | |
| 450 } else { | |
| 451 regs[i].set2(VMRegImpl::stack2reg(stk_args)); | |
| 452 stk_args += 2; | |
| 453 } | |
| 454 break; | |
| 455 case T_FLOAT: | |
| 456 if (fp_args < Argument::n_float_register_parameters_j) { | |
| 457 regs[i].set1(FP_ArgReg[fp_args++]->as_VMReg()); | |
| 458 } else { | |
| 459 regs[i].set1(VMRegImpl::stack2reg(stk_args)); | |
| 460 stk_args += 2; | |
| 461 } | |
| 462 break; | |
| 463 case T_DOUBLE: | |
| 464 assert(sig_bt[i + 1] == T_VOID, "expecting half"); | |
| 465 if (fp_args < Argument::n_float_register_parameters_j) { | |
| 466 regs[i].set2(FP_ArgReg[fp_args++]->as_VMReg()); | |
| 467 } else { | |
| 468 regs[i].set2(VMRegImpl::stack2reg(stk_args)); | |
| 469 stk_args += 2; | |
| 470 } | |
| 471 break; | |
| 472 default: | |
| 473 ShouldNotReachHere(); | |
| 474 break; | |
| 475 } | |
| 476 } | |
| 477 | |
| 478 return round_to(stk_args, 2); | |
| 479 } | |
| 480 | |
| 481 // Patch the callers callsite with entry to compiled code if it exists. | |
| 482 static void patch_callers_callsite(MacroAssembler *masm) { | |
| 483 Label L; | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
484 __ cmpptr(Address(rbx, in_bytes(Method::code_offset())), (int32_t)NULL_WORD); |
| 0 | 485 __ jcc(Assembler::equal, L); |
| 486 | |
| 487 // Save the current stack pointer | |
| 304 | 488 __ mov(r13, rsp); |
| 0 | 489 // Schedule the branch target address early. |
| 490 // Call into the VM to patch the caller, then jump to compiled callee | |
| 491 // rax isn't live so capture return address while we easily can | |
| 304 | 492 __ movptr(rax, Address(rsp, 0)); |
| 0 | 493 |
| 494 // align stack so push_CPU_state doesn't fault | |
| 304 | 495 __ andptr(rsp, -(StackAlignmentInBytes)); |
| 0 | 496 __ push_CPU_state(); |
| 497 | |
| 498 // VM needs caller's callsite | |
| 499 // VM needs target method | |
| 500 // This needs to be a long call since we will relocate this adapter to | |
| 501 // the codeBuffer and it may not reach | |
| 502 | |
| 503 // Allocate argument register save area | |
| 504 if (frame::arg_reg_save_area_bytes != 0) { | |
| 304 | 505 __ subptr(rsp, frame::arg_reg_save_area_bytes); |
| 0 | 506 } |
| 304 | 507 __ mov(c_rarg0, rbx); |
| 508 __ mov(c_rarg1, rax); | |
| 0 | 509 __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, SharedRuntime::fixup_callers_callsite))); |
| 510 | |
| 511 // De-allocate argument register save area | |
| 512 if (frame::arg_reg_save_area_bytes != 0) { | |
| 304 | 513 __ addptr(rsp, frame::arg_reg_save_area_bytes); |
| 0 | 514 } |
| 515 | |
| 516 __ pop_CPU_state(); | |
| 517 // restore sp | |
| 304 | 518 __ mov(rsp, r13); |
| 0 | 519 __ bind(L); |
| 520 } | |
| 521 | |
| 522 | |
| 523 static void gen_c2i_adapter(MacroAssembler *masm, | |
| 524 int total_args_passed, | |
| 525 int comp_args_on_stack, | |
| 526 const BasicType *sig_bt, | |
| 527 const VMRegPair *regs, | |
| 528 Label& skip_fixup) { | |
| 529 // Before we get into the guts of the C2I adapter, see if we should be here | |
| 530 // at all. We've come from compiled code and are attempting to jump to the | |
| 531 // interpreter, which means the caller made a static call to get here | |
| 532 // (vcalls always get a compiled target if there is one). Check for a | |
| 533 // compiled target. If there is one, we need to patch the caller's call. | |
| 534 patch_callers_callsite(masm); | |
| 535 | |
| 536 __ bind(skip_fixup); | |
| 537 | |
| 538 // Since all args are passed on the stack, total_args_passed * | |
| 539 // Interpreter::stackElementSize is the space we need. Plus 1 because | |
| 540 // we also account for the return address location since | |
| 541 // we store it first rather than hold it in rax across all the shuffling | |
| 542 | |
| 1506 | 543 int extraspace = (total_args_passed * Interpreter::stackElementSize) + wordSize; |
| 0 | 544 |
| 545 // stack is aligned, keep it that way | |
| 546 extraspace = round_to(extraspace, 2*wordSize); | |
| 547 | |
| 548 // Get return address | |
| 304 | 549 __ pop(rax); |
| 0 | 550 |
| 551 // set senderSP value | |
| 304 | 552 __ mov(r13, rsp); |
| 553 | |
| 554 __ subptr(rsp, extraspace); | |
| 0 | 555 |
| 556 // Store the return address in the expected location | |
| 304 | 557 __ movptr(Address(rsp, 0), rax); |
| 0 | 558 |
| 559 // Now write the args into the outgoing interpreter space | |
| 560 for (int i = 0; i < total_args_passed; i++) { | |
| 561 if (sig_bt[i] == T_VOID) { | |
| 562 assert(i > 0 && (sig_bt[i-1] == T_LONG || sig_bt[i-1] == T_DOUBLE), "missing half"); | |
| 563 continue; | |
| 564 } | |
| 565 | |
| 566 // offset to start parameters | |
| 1506 | 567 int st_off = (total_args_passed - i) * Interpreter::stackElementSize; |
| 568 int next_off = st_off - Interpreter::stackElementSize; | |
| 0 | 569 |
| 570 // Say 4 args: | |
| 571 // i st_off | |
| 572 // 0 32 T_LONG | |
| 573 // 1 24 T_VOID | |
| 574 // 2 16 T_OBJECT | |
| 575 // 3 8 T_BOOL | |
| 576 // - 0 return address | |
| 577 // | |
| 578 // However to make thing extra confusing. Because we can fit a long/double in | |
| 579 // a single slot on a 64 bt vm and it would be silly to break them up, the interpreter | |
| 580 // leaves one slot empty and only stores to a single slot. In this case the | |
| 581 // slot that is occupied is the T_VOID slot. See I said it was confusing. | |
| 582 | |
| 583 VMReg r_1 = regs[i].first(); | |
| 584 VMReg r_2 = regs[i].second(); | |
| 585 if (!r_1->is_valid()) { | |
| 586 assert(!r_2->is_valid(), ""); | |
| 587 continue; | |
| 588 } | |
| 589 if (r_1->is_stack()) { | |
| 590 // memory to memory use rax | |
| 591 int ld_off = r_1->reg2stack() * VMRegImpl::stack_slot_size + extraspace; | |
| 592 if (!r_2->is_valid()) { | |
| 593 // sign extend?? | |
| 594 __ movl(rax, Address(rsp, ld_off)); | |
| 304 | 595 __ movptr(Address(rsp, st_off), rax); |
| 0 | 596 |
| 597 } else { | |
| 598 | |
| 599 __ movq(rax, Address(rsp, ld_off)); | |
| 600 | |
| 601 // Two VMREgs|OptoRegs can be T_OBJECT, T_ADDRESS, T_DOUBLE, T_LONG | |
| 602 // T_DOUBLE and T_LONG use two slots in the interpreter | |
| 603 if ( sig_bt[i] == T_LONG || sig_bt[i] == T_DOUBLE) { | |
| 604 // ld_off == LSW, ld_off+wordSize == MSW | |
| 605 // st_off == MSW, next_off == LSW | |
| 606 __ movq(Address(rsp, next_off), rax); | |
| 607 #ifdef ASSERT | |
| 608 // Overwrite the unused slot with known junk | |
| 609 __ mov64(rax, CONST64(0xdeadffffdeadaaaa)); | |
| 304 | 610 __ movptr(Address(rsp, st_off), rax); |
| 0 | 611 #endif /* ASSERT */ |
| 612 } else { | |
| 613 __ movq(Address(rsp, st_off), rax); | |
| 614 } | |
| 615 } | |
| 616 } else if (r_1->is_Register()) { | |
| 617 Register r = r_1->as_Register(); | |
| 618 if (!r_2->is_valid()) { | |
| 619 // must be only an int (or less ) so move only 32bits to slot | |
| 620 // why not sign extend?? | |
| 621 __ movl(Address(rsp, st_off), r); | |
| 622 } else { | |
| 623 // Two VMREgs|OptoRegs can be T_OBJECT, T_ADDRESS, T_DOUBLE, T_LONG | |
| 624 // T_DOUBLE and T_LONG use two slots in the interpreter | |
| 625 if ( sig_bt[i] == T_LONG || sig_bt[i] == T_DOUBLE) { | |
| 626 // long/double in gpr | |
| 627 #ifdef ASSERT | |
| 628 // Overwrite the unused slot with known junk | |
| 629 __ mov64(rax, CONST64(0xdeadffffdeadaaab)); | |
| 304 | 630 __ movptr(Address(rsp, st_off), rax); |
| 0 | 631 #endif /* ASSERT */ |
| 632 __ movq(Address(rsp, next_off), r); | |
| 633 } else { | |
| 304 | 634 __ movptr(Address(rsp, st_off), r); |
| 0 | 635 } |
| 636 } | |
| 637 } else { | |
| 638 assert(r_1->is_XMMRegister(), ""); | |
| 639 if (!r_2->is_valid()) { | |
| 640 // only a float use just part of the slot | |
| 641 __ movflt(Address(rsp, st_off), r_1->as_XMMRegister()); | |
| 642 } else { | |
| 643 #ifdef ASSERT | |
| 644 // Overwrite the unused slot with known junk | |
| 645 __ mov64(rax, CONST64(0xdeadffffdeadaaac)); | |
| 304 | 646 __ movptr(Address(rsp, st_off), rax); |
| 0 | 647 #endif /* ASSERT */ |
| 648 __ movdbl(Address(rsp, next_off), r_1->as_XMMRegister()); | |
| 649 } | |
| 650 } | |
| 651 } | |
| 652 | |
| 653 // Schedule the branch target address early. | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
654 __ movptr(rcx, Address(rbx, in_bytes(Method::interpreter_entry_offset()))); |
| 0 | 655 __ jmp(rcx); |
| 656 } | |
| 657 | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
658 static void range_check(MacroAssembler* masm, Register pc_reg, Register temp_reg, |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
659 address code_start, address code_end, |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
660 Label& L_ok) { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
661 Label L_fail; |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
662 __ lea(temp_reg, ExternalAddress(code_start)); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
663 __ cmpptr(pc_reg, temp_reg); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
664 __ jcc(Assembler::belowEqual, L_fail); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
665 __ lea(temp_reg, ExternalAddress(code_end)); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
666 __ cmpptr(pc_reg, temp_reg); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
667 __ jcc(Assembler::below, L_ok); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
668 __ bind(L_fail); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
669 } |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
670 |
|
14030
f6c04e69cf75
SharedRuntime: add gen_i2c_adapter, implement it with pre-existing methods in each architecture.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
13451
diff
changeset
|
671 void SharedRuntime::gen_i2c_adapter(MacroAssembler *masm, |
|
17033
2d6dd2eebd51
Fixed HSAIL deopt
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
15104
diff
changeset
|
672 int total_args_passed, |
|
2d6dd2eebd51
Fixed HSAIL deopt
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
15104
diff
changeset
|
673 int comp_args_on_stack, |
|
2d6dd2eebd51
Fixed HSAIL deopt
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
15104
diff
changeset
|
674 const BasicType *sig_bt, |
|
22458
c2c971a9776f
Remove unused frame_extension_argument from i2c adapters
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
22298
diff
changeset
|
675 const VMRegPair *regs) { |
| 0 | 676 |
| 677 // Note: r13 contains the senderSP on entry. We must preserve it since | |
| 678 // we may do a i2c -> c2i transition if we lose a race where compiled | |
| 679 // code goes non-entrant while we get args ready. | |
| 680 // In addition we use r13 to locate all the interpreter args as | |
| 681 // we must align the stack to 16 bytes on an i2c entry else we | |
| 682 // lose alignment we expect in all compiled code and register | |
| 683 // save code can segv when fxsave instructions find improperly | |
| 684 // aligned stack pointer. | |
| 685 | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
686 // Adapters can be frameless because they do not require the caller |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
687 // to perform additional cleanup work, such as correcting the stack pointer. |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
688 // An i2c adapter is frameless because the *caller* frame, which is interpreted, |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
689 // routinely repairs its own stack pointer (from interpreter_frame_last_sp), |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
690 // even if a callee has modified the stack pointer. |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
691 // A c2i adapter is frameless because the *callee* frame, which is interpreted, |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
692 // routinely repairs its caller's stack pointer (from sender_sp, which is set |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
693 // up via the senderSP register). |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
694 // In other words, if *either* the caller or callee is interpreted, we can |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
695 // get the stack pointer repaired after a call. |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
696 // This is why c2i and i2c adapters cannot be indefinitely composed. |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
697 // In particular, if a c2i adapter were to somehow call an i2c adapter, |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
698 // both caller and callee would be compiled methods, and neither would |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
699 // clean up the stack pointer changes performed by the two adapters. |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
700 // If this happens, control eventually transfers back to the compiled |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
701 // caller, but with an uncorrected stack, causing delayed havoc. |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
702 |
|
2245
638119ce7cfd
7009309: JSR 292: compiler/6991596/Test6991596.java crashes on fastdebug JDK7/b122
twisti
parents:
2177
diff
changeset
|
703 // Pick up the return address |
| 304 | 704 __ movptr(rax, Address(rsp, 0)); |
| 0 | 705 |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
706 if (VerifyAdapterCalls && |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
707 (Interpreter::code() != NULL || StubRoutines::code1() != NULL)) { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
708 // So, let's test for cascading c2i/i2c adapters right now. |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
709 // assert(Interpreter::contains($return_addr) || |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
710 // StubRoutines::contains($return_addr), |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
711 // "i2c adapter must return to an interpreter frame"); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
712 __ block_comment("verify_i2c { "); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
713 Label L_ok; |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
714 if (Interpreter::code() != NULL) |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
715 range_check(masm, rax, r11, |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
716 Interpreter::code()->code_start(), Interpreter::code()->code_end(), |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
717 L_ok); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
718 if (StubRoutines::code1() != NULL) |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
719 range_check(masm, rax, r11, |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
720 StubRoutines::code1()->code_begin(), StubRoutines::code1()->code_end(), |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
721 L_ok); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
722 if (StubRoutines::code2() != NULL) |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
723 range_check(masm, rax, r11, |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
724 StubRoutines::code2()->code_begin(), StubRoutines::code2()->code_end(), |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
725 L_ok); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
726 const char* msg = "i2c adapter must return to an interpreter frame"; |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
727 __ block_comment(msg); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
728 __ stop(msg); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
729 __ bind(L_ok); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
730 __ block_comment("} verify_i2ce "); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
731 } |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
732 |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
848
diff
changeset
|
733 // Must preserve original SP for loading incoming arguments because |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
848
diff
changeset
|
734 // we need to align the outgoing SP for compiled code. |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
848
diff
changeset
|
735 __ movptr(r11, rsp); |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
848
diff
changeset
|
736 |
| 0 | 737 // Cut-out for having no stack args. Since up to 2 int/oop args are passed |
| 738 // in registers, we will occasionally have no stack args. | |
| 739 int comp_words_on_stack = 0; | |
| 740 if (comp_args_on_stack) { | |
| 741 // Sig words on the stack are greater-than VMRegImpl::stack0. Those in | |
| 742 // registers are below. By subtracting stack0, we either get a negative | |
| 743 // number (all values in registers) or the maximum stack slot accessed. | |
| 744 | |
| 745 // Convert 4-byte c2 stack slots to words. | |
| 746 comp_words_on_stack = round_to(comp_args_on_stack*VMRegImpl::stack_slot_size, wordSize)>>LogBytesPerWord; | |
| 747 // Round up to miminum stack alignment, in wordSize | |
| 748 comp_words_on_stack = round_to(comp_words_on_stack, 2); | |
| 304 | 749 __ subptr(rsp, comp_words_on_stack * wordSize); |
| 0 | 750 } |
| 751 | |
| 752 | |
| 753 // Ensure compiled code always sees stack at proper alignment | |
| 304 | 754 __ andptr(rsp, -16); |
| 0 | 755 |
| 756 // push the return address and misalign the stack that youngest frame always sees | |
| 757 // as far as the placement of the call instruction | |
| 304 | 758 __ push(rax); |
| 0 | 759 |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
848
diff
changeset
|
760 // Put saved SP in another register |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
848
diff
changeset
|
761 const Register saved_sp = rax; |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
848
diff
changeset
|
762 __ movptr(saved_sp, r11); |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
848
diff
changeset
|
763 |
| 0 | 764 // Will jump to the compiled code just as if compiled code was doing it. |
| 765 // Pre-load the register-jump target early, to schedule it better. | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
766 __ movptr(r11, Address(rbx, in_bytes(Method::from_compiled_offset()))); |
| 0 | 767 |
| 22298 | 768 #if INCLUDE_JVMCI |
|
4993
897b7d18bebc
added RiCompiledMethod.execute and the required VM infrastructure
Lukas Stadler <lukas.stadler@jku.at>
parents:
4985
diff
changeset
|
769 // check if this call should be routed towards a specific entry point |
|
21559
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21074
diff
changeset
|
770 __ cmpptr(Address(r15_thread, in_bytes(JavaThread::jvmci_alternate_call_target_offset())), 0); |
|
4993
897b7d18bebc
added RiCompiledMethod.execute and the required VM infrastructure
Lukas Stadler <lukas.stadler@jku.at>
parents:
4985
diff
changeset
|
771 Label no_alternative_target; |
|
897b7d18bebc
added RiCompiledMethod.execute and the required VM infrastructure
Lukas Stadler <lukas.stadler@jku.at>
parents:
4985
diff
changeset
|
772 __ jcc(Assembler::equal, no_alternative_target); |
|
21559
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21074
diff
changeset
|
773 __ movptr(r11, Address(r15_thread, in_bytes(JavaThread::jvmci_alternate_call_target_offset()))); |
|
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21074
diff
changeset
|
774 __ movptr(Address(r15_thread, in_bytes(JavaThread::jvmci_alternate_call_target_offset())), 0); |
|
4993
897b7d18bebc
added RiCompiledMethod.execute and the required VM infrastructure
Lukas Stadler <lukas.stadler@jku.at>
parents:
4985
diff
changeset
|
775 __ bind(no_alternative_target); |
|
897b7d18bebc
added RiCompiledMethod.execute and the required VM infrastructure
Lukas Stadler <lukas.stadler@jku.at>
parents:
4985
diff
changeset
|
776 #endif |
|
897b7d18bebc
added RiCompiledMethod.execute and the required VM infrastructure
Lukas Stadler <lukas.stadler@jku.at>
parents:
4985
diff
changeset
|
777 |
| 0 | 778 // Now generate the shuffle code. Pick up all register args and move the |
| 779 // rest through the floating point stack top. | |
| 780 for (int i = 0; i < total_args_passed; i++) { | |
| 781 if (sig_bt[i] == T_VOID) { | |
| 782 // Longs and doubles are passed in native word order, but misaligned | |
| 783 // in the 32-bit build. | |
| 784 assert(i > 0 && (sig_bt[i-1] == T_LONG || sig_bt[i-1] == T_DOUBLE), "missing half"); | |
| 785 continue; | |
| 786 } | |
| 787 | |
| 788 // Pick up 0, 1 or 2 words from SP+offset. | |
| 789 | |
| 790 assert(!regs[i].second()->is_valid() || regs[i].first()->next() == regs[i].second(), | |
| 791 "scrambled load targets?"); | |
| 792 // Load in argument order going down. | |
| 1506 | 793 int ld_off = (total_args_passed - i)*Interpreter::stackElementSize; |
| 0 | 794 // Point to interpreter value (vs. tag) |
| 1506 | 795 int next_off = ld_off - Interpreter::stackElementSize; |
| 0 | 796 // |
| 797 // | |
| 798 // | |
| 799 VMReg r_1 = regs[i].first(); | |
| 800 VMReg r_2 = regs[i].second(); | |
| 801 if (!r_1->is_valid()) { | |
| 802 assert(!r_2->is_valid(), ""); | |
| 803 continue; | |
| 804 } | |
| 805 if (r_1->is_stack()) { | |
| 806 // Convert stack slot to an SP offset (+ wordSize to account for return address ) | |
| 807 int st_off = regs[i].first()->reg2stack()*VMRegImpl::stack_slot_size + wordSize; | |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
848
diff
changeset
|
808 |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
848
diff
changeset
|
809 // We can use r13 as a temp here because compiled code doesn't need r13 as an input |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
848
diff
changeset
|
810 // and if we end up going thru a c2i because of a miss a reasonable value of r13 |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
848
diff
changeset
|
811 // will be generated. |
| 0 | 812 if (!r_2->is_valid()) { |
| 813 // sign extend??? | |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
848
diff
changeset
|
814 __ movl(r13, Address(saved_sp, ld_off)); |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
848
diff
changeset
|
815 __ movptr(Address(rsp, st_off), r13); |
| 0 | 816 } else { |
| 817 // | |
| 818 // We are using two optoregs. This can be either T_OBJECT, T_ADDRESS, T_LONG, or T_DOUBLE | |
| 819 // the interpreter allocates two slots but only uses one for thr T_LONG or T_DOUBLE case | |
| 820 // So we must adjust where to pick up the data to match the interpreter. | |
| 821 // | |
| 822 // Interpreter local[n] == MSW, local[n+1] == LSW however locals | |
| 823 // are accessed as negative so LSW is at LOW address | |
| 824 | |
| 825 // ld_off is MSW so get LSW | |
| 826 const int offset = (sig_bt[i]==T_LONG||sig_bt[i]==T_DOUBLE)? | |
| 827 next_off : ld_off; | |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
848
diff
changeset
|
828 __ movq(r13, Address(saved_sp, offset)); |
| 0 | 829 // st_off is LSW (i.e. reg.first()) |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
848
diff
changeset
|
830 __ movq(Address(rsp, st_off), r13); |
| 0 | 831 } |
| 832 } else if (r_1->is_Register()) { // Register argument | |
| 833 Register r = r_1->as_Register(); | |
| 834 assert(r != rax, "must be different"); | |
| 835 if (r_2->is_valid()) { | |
| 836 // | |
| 837 // We are using two VMRegs. This can be either T_OBJECT, T_ADDRESS, T_LONG, or T_DOUBLE | |
| 838 // the interpreter allocates two slots but only uses one for thr T_LONG or T_DOUBLE case | |
| 839 // So we must adjust where to pick up the data to match the interpreter. | |
| 840 | |
| 841 const int offset = (sig_bt[i]==T_LONG||sig_bt[i]==T_DOUBLE)? | |
| 842 next_off : ld_off; | |
| 843 | |
| 844 // this can be a misaligned move | |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
848
diff
changeset
|
845 __ movq(r, Address(saved_sp, offset)); |
| 0 | 846 } else { |
| 847 // sign extend and use a full word? | |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
848
diff
changeset
|
848 __ movl(r, Address(saved_sp, ld_off)); |
| 0 | 849 } |
| 850 } else { | |
| 851 if (!r_2->is_valid()) { | |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
848
diff
changeset
|
852 __ movflt(r_1->as_XMMRegister(), Address(saved_sp, ld_off)); |
| 0 | 853 } else { |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
848
diff
changeset
|
854 __ movdbl(r_1->as_XMMRegister(), Address(saved_sp, next_off)); |
| 0 | 855 } |
| 856 } | |
| 857 } | |
| 858 | |
| 859 // 6243940 We might end up in handle_wrong_method if | |
| 860 // the callee is deoptimized as we race thru here. If that | |
| 861 // happens we don't want to take a safepoint because the | |
| 862 // caller frame will look interpreted and arguments are now | |
| 863 // "compiled" so it is much better to make this transition | |
| 864 // invisible to the stack walking code. Unfortunately if | |
| 865 // we try and find the callee by normal means a safepoint | |
| 866 // is possible. So we stash the desired callee in the thread | |
| 867 // and the vm will find there should this case occur. | |
| 868 | |
| 304 | 869 __ movptr(Address(r15_thread, JavaThread::callee_target_offset()), rbx); |
| 0 | 870 |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
871 // put Method* where a c2i would expect should we end up there |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
872 // only needed becaus eof c2 resolve stubs return Method* as a result in |
| 0 | 873 // rax |
| 304 | 874 __ mov(rax, rbx); |
| 0 | 875 __ jmp(r11); |
| 876 } | |
| 877 | |
| 878 // --------------------------------------------------------------- | |
| 879 AdapterHandlerEntry* SharedRuntime::generate_i2c2i_adapters(MacroAssembler *masm, | |
| 880 int total_args_passed, | |
| 881 int comp_args_on_stack, | |
| 882 const BasicType *sig_bt, | |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1135
diff
changeset
|
883 const VMRegPair *regs, |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1135
diff
changeset
|
884 AdapterFingerPrint* fingerprint) { |
| 0 | 885 address i2c_entry = __ pc(); |
| 886 | |
| 887 gen_i2c_adapter(masm, total_args_passed, comp_args_on_stack, sig_bt, regs); | |
| 888 | |
| 889 // ------------------------------------------------------------------------- | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
890 // Generate a C2I adapter. On entry we know rbx holds the Method* during calls |
| 0 | 891 // to the interpreter. The args start out packed in the compiled layout. They |
| 892 // need to be unpacked into the interpreter layout. This will almost always | |
| 893 // require some stack space. We grow the current (compiled) stack, then repack | |
| 894 // the args. We finally end in a jump to the generic interpreter entry point. | |
| 895 // On exit from the interpreter, the interpreter will restore our SP (lest the | |
| 896 // compiled code, which relys solely on SP and not RBP, get sick). | |
| 897 | |
| 898 address c2i_unverified_entry = __ pc(); | |
| 899 Label skip_fixup; | |
| 900 Label ok; | |
| 901 | |
| 902 Register holder = rax; | |
| 903 Register receiver = j_rarg0; | |
| 904 Register temp = rbx; | |
| 905 | |
| 906 { | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
907 __ load_klass(temp, receiver); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
908 __ cmpptr(temp, Address(holder, CompiledICHolder::holder_klass_offset())); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
909 __ movptr(rbx, Address(holder, CompiledICHolder::holder_method_offset())); |
| 0 | 910 __ jcc(Assembler::equal, ok); |
| 911 __ jump(RuntimeAddress(SharedRuntime::get_ic_miss_stub())); | |
| 912 | |
| 913 __ bind(ok); | |
| 914 // Method might have been compiled since the call site was patched to | |
| 915 // interpreted if that is the case treat it as a miss so we can get | |
| 916 // the call site corrected. | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
917 __ cmpptr(Address(rbx, in_bytes(Method::code_offset())), (int32_t)NULL_WORD); |
| 0 | 918 __ jcc(Assembler::equal, skip_fixup); |
| 919 __ jump(RuntimeAddress(SharedRuntime::get_ic_miss_stub())); | |
| 920 } | |
| 921 | |
| 922 address c2i_entry = __ pc(); | |
| 923 | |
| 924 gen_c2i_adapter(masm, total_args_passed, comp_args_on_stack, sig_bt, regs, skip_fixup); | |
| 925 | |
| 926 __ flush(); | |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1135
diff
changeset
|
927 return AdapterHandlerLibrary::new_entry(fingerprint, i2c_entry, c2i_entry, c2i_unverified_entry); |
| 0 | 928 } |
| 929 | |
| 930 int SharedRuntime::c_calling_convention(const BasicType *sig_bt, | |
| 931 VMRegPair *regs, | |
|
14416
6a936747b569
8024344: PPC64 (part 112): C argument in register AND stack slot.
goetz
parents:
10998
diff
changeset
|
932 VMRegPair *regs2, |
| 0 | 933 int total_args_passed) { |
|
14416
6a936747b569
8024344: PPC64 (part 112): C argument in register AND stack slot.
goetz
parents:
10998
diff
changeset
|
934 assert(regs2 == NULL, "not needed on x86"); |
| 0 | 935 // We return the amount of VMRegImpl stack slots we need to reserve for all |
| 936 // the arguments NOT counting out_preserve_stack_slots. | |
| 937 | |
| 938 // NOTE: These arrays will have to change when c1 is ported | |
| 939 #ifdef _WIN64 | |
| 940 static const Register INT_ArgReg[Argument::n_int_register_parameters_c] = { | |
| 941 c_rarg0, c_rarg1, c_rarg2, c_rarg3 | |
| 942 }; | |
| 943 static const XMMRegister FP_ArgReg[Argument::n_float_register_parameters_c] = { | |
| 944 c_farg0, c_farg1, c_farg2, c_farg3 | |
| 945 }; | |
| 946 #else | |
| 947 static const Register INT_ArgReg[Argument::n_int_register_parameters_c] = { | |
| 948 c_rarg0, c_rarg1, c_rarg2, c_rarg3, c_rarg4, c_rarg5 | |
| 949 }; | |
| 950 static const XMMRegister FP_ArgReg[Argument::n_float_register_parameters_c] = { | |
| 951 c_farg0, c_farg1, c_farg2, c_farg3, | |
| 952 c_farg4, c_farg5, c_farg6, c_farg7 | |
| 953 }; | |
| 954 #endif // _WIN64 | |
| 955 | |
| 956 | |
| 957 uint int_args = 0; | |
| 958 uint fp_args = 0; | |
| 959 uint stk_args = 0; // inc by 2 each time | |
| 960 | |
| 961 for (int i = 0; i < total_args_passed; i++) { | |
| 962 switch (sig_bt[i]) { | |
| 963 case T_BOOLEAN: | |
| 964 case T_CHAR: | |
| 965 case T_BYTE: | |
| 966 case T_SHORT: | |
| 967 case T_INT: | |
| 968 if (int_args < Argument::n_int_register_parameters_c) { | |
| 969 regs[i].set1(INT_ArgReg[int_args++]->as_VMReg()); | |
| 970 #ifdef _WIN64 | |
| 971 fp_args++; | |
| 972 // Allocate slots for callee to stuff register args the stack. | |
| 973 stk_args += 2; | |
| 974 #endif | |
| 975 } else { | |
| 976 regs[i].set1(VMRegImpl::stack2reg(stk_args)); | |
| 977 stk_args += 2; | |
| 978 } | |
| 979 break; | |
| 980 case T_LONG: | |
| 981 assert(sig_bt[i + 1] == T_VOID, "expecting half"); | |
| 982 // fall through | |
| 983 case T_OBJECT: | |
| 984 case T_ARRAY: | |
| 985 case T_ADDRESS: | |
|
6739
8a02ca5e5576
7195816: NPG: Crash in c1_ValueType - ShouldNotReachHere
roland
parents:
6725
diff
changeset
|
986 case T_METADATA: |
| 0 | 987 if (int_args < Argument::n_int_register_parameters_c) { |
| 988 regs[i].set2(INT_ArgReg[int_args++]->as_VMReg()); | |
| 989 #ifdef _WIN64 | |
| 990 fp_args++; | |
| 991 stk_args += 2; | |
| 992 #endif | |
| 993 } else { | |
| 994 regs[i].set2(VMRegImpl::stack2reg(stk_args)); | |
| 995 stk_args += 2; | |
| 996 } | |
| 997 break; | |
| 998 case T_FLOAT: | |
| 999 if (fp_args < Argument::n_float_register_parameters_c) { | |
| 1000 regs[i].set1(FP_ArgReg[fp_args++]->as_VMReg()); | |
| 1001 #ifdef _WIN64 | |
| 1002 int_args++; | |
| 1003 // Allocate slots for callee to stuff register args the stack. | |
| 1004 stk_args += 2; | |
| 1005 #endif | |
| 1006 } else { | |
| 1007 regs[i].set1(VMRegImpl::stack2reg(stk_args)); | |
| 1008 stk_args += 2; | |
| 1009 } | |
| 1010 break; | |
| 1011 case T_DOUBLE: | |
| 1012 assert(sig_bt[i + 1] == T_VOID, "expecting half"); | |
| 1013 if (fp_args < Argument::n_float_register_parameters_c) { | |
| 1014 regs[i].set2(FP_ArgReg[fp_args++]->as_VMReg()); | |
| 1015 #ifdef _WIN64 | |
| 1016 int_args++; | |
| 1017 // Allocate slots for callee to stuff register args the stack. | |
| 1018 stk_args += 2; | |
| 1019 #endif | |
| 1020 } else { | |
| 1021 regs[i].set2(VMRegImpl::stack2reg(stk_args)); | |
| 1022 stk_args += 2; | |
| 1023 } | |
| 1024 break; | |
| 1025 case T_VOID: // Halves of longs and doubles | |
| 1026 assert(i != 0 && (sig_bt[i - 1] == T_LONG || sig_bt[i - 1] == T_DOUBLE), "expecting half"); | |
| 1027 regs[i].set_bad(); | |
| 1028 break; | |
| 1029 default: | |
| 1030 ShouldNotReachHere(); | |
| 1031 break; | |
| 1032 } | |
| 1033 } | |
| 1034 #ifdef _WIN64 | |
| 1035 // windows abi requires that we always allocate enough stack space | |
| 1036 // for 4 64bit registers to be stored down. | |
| 1037 if (stk_args < 8) { | |
| 1038 stk_args = 8; | |
| 1039 } | |
| 1040 #endif // _WIN64 | |
| 1041 | |
| 1042 return stk_args; | |
| 1043 } | |
| 1044 | |
| 1045 // On 64 bit we will store integer like items to the stack as | |
| 1046 // 64 bits items (sparc abi) even though java would only store | |
| 1047 // 32bits for a parameter. On 32bit it will simply be 32 bits | |
| 1048 // So this routine will do 32->32 on 32bit and 32->64 on 64bit | |
| 1049 static void move32_64(MacroAssembler* masm, VMRegPair src, VMRegPair dst) { | |
| 1050 if (src.first()->is_stack()) { | |
| 1051 if (dst.first()->is_stack()) { | |
| 1052 // stack to stack | |
| 1053 __ movslq(rax, Address(rbp, reg2offset_in(src.first()))); | |
| 1054 __ movq(Address(rsp, reg2offset_out(dst.first())), rax); | |
| 1055 } else { | |
| 1056 // stack to reg | |
| 1057 __ movslq(dst.first()->as_Register(), Address(rbp, reg2offset_in(src.first()))); | |
| 1058 } | |
| 1059 } else if (dst.first()->is_stack()) { | |
| 1060 // reg to stack | |
| 1061 // Do we really have to sign extend??? | |
| 1062 // __ movslq(src.first()->as_Register(), src.first()->as_Register()); | |
| 1063 __ movq(Address(rsp, reg2offset_out(dst.first())), src.first()->as_Register()); | |
| 1064 } else { | |
| 1065 // Do we really have to sign extend??? | |
| 1066 // __ movslq(dst.first()->as_Register(), src.first()->as_Register()); | |
| 1067 if (dst.first() != src.first()) { | |
| 1068 __ movq(dst.first()->as_Register(), src.first()->as_Register()); | |
| 1069 } | |
| 1070 } | |
| 1071 } | |
| 1072 | |
|
4873
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1073 static void move_ptr(MacroAssembler* masm, VMRegPair src, VMRegPair dst) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1074 if (src.first()->is_stack()) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1075 if (dst.first()->is_stack()) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1076 // stack to stack |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1077 __ movq(rax, Address(rbp, reg2offset_in(src.first()))); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1078 __ movq(Address(rsp, reg2offset_out(dst.first())), rax); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1079 } else { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1080 // stack to reg |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1081 __ movq(dst.first()->as_Register(), Address(rbp, reg2offset_in(src.first()))); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1082 } |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1083 } else if (dst.first()->is_stack()) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1084 // reg to stack |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1085 __ movq(Address(rsp, reg2offset_out(dst.first())), src.first()->as_Register()); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1086 } else { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1087 if (dst.first() != src.first()) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1088 __ movq(dst.first()->as_Register(), src.first()->as_Register()); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1089 } |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1090 } |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1091 } |
| 0 | 1092 |
| 1093 // An oop arg. Must pass a handle not the oop itself | |
| 1094 static void object_move(MacroAssembler* masm, | |
| 1095 OopMap* map, | |
| 1096 int oop_handle_offset, | |
| 1097 int framesize_in_slots, | |
| 1098 VMRegPair src, | |
| 1099 VMRegPair dst, | |
| 1100 bool is_receiver, | |
| 1101 int* receiver_offset) { | |
| 1102 | |
| 1103 // must pass a handle. First figure out the location we use as a handle | |
| 1104 | |
| 1105 Register rHandle = dst.first()->is_stack() ? rax : dst.first()->as_Register(); | |
| 1106 | |
| 1107 // See if oop is NULL if it is we need no handle | |
| 1108 | |
| 1109 if (src.first()->is_stack()) { | |
| 1110 | |
| 1111 // Oop is already on the stack as an argument | |
| 1112 int offset_in_older_frame = src.first()->reg2stack() + SharedRuntime::out_preserve_stack_slots(); | |
| 1113 map->set_oop(VMRegImpl::stack2reg(offset_in_older_frame + framesize_in_slots)); | |
| 1114 if (is_receiver) { | |
| 1115 *receiver_offset = (offset_in_older_frame + framesize_in_slots) * VMRegImpl::stack_slot_size; | |
| 1116 } | |
| 1117 | |
| 304 | 1118 __ cmpptr(Address(rbp, reg2offset_in(src.first())), (int32_t)NULL_WORD); |
| 1119 __ lea(rHandle, Address(rbp, reg2offset_in(src.first()))); | |
| 0 | 1120 // conditionally move a NULL |
| 304 | 1121 __ cmovptr(Assembler::equal, rHandle, Address(rbp, reg2offset_in(src.first()))); |
| 0 | 1122 } else { |
| 1123 | |
| 1124 // Oop is in an a register we must store it to the space we reserve | |
| 1125 // on the stack for oop_handles and pass a handle if oop is non-NULL | |
| 1126 | |
| 1127 const Register rOop = src.first()->as_Register(); | |
| 1128 int oop_slot; | |
| 1129 if (rOop == j_rarg0) | |
| 1130 oop_slot = 0; | |
| 1131 else if (rOop == j_rarg1) | |
| 1132 oop_slot = 1; | |
| 1133 else if (rOop == j_rarg2) | |
| 1134 oop_slot = 2; | |
| 1135 else if (rOop == j_rarg3) | |
| 1136 oop_slot = 3; | |
| 1137 else if (rOop == j_rarg4) | |
| 1138 oop_slot = 4; | |
| 1139 else { | |
| 1140 assert(rOop == j_rarg5, "wrong register"); | |
| 1141 oop_slot = 5; | |
| 1142 } | |
| 1143 | |
| 1144 oop_slot = oop_slot * VMRegImpl::slots_per_word + oop_handle_offset; | |
| 1145 int offset = oop_slot*VMRegImpl::stack_slot_size; | |
| 1146 | |
| 1147 map->set_oop(VMRegImpl::stack2reg(oop_slot)); | |
| 1148 // Store oop in handle area, may be NULL | |
| 304 | 1149 __ movptr(Address(rsp, offset), rOop); |
| 0 | 1150 if (is_receiver) { |
| 1151 *receiver_offset = offset; | |
| 1152 } | |
| 1153 | |
| 304 | 1154 __ cmpptr(rOop, (int32_t)NULL_WORD); |
| 1155 __ lea(rHandle, Address(rsp, offset)); | |
| 0 | 1156 // conditionally move a NULL from the handle area where it was just stored |
| 304 | 1157 __ cmovptr(Assembler::equal, rHandle, Address(rsp, offset)); |
| 0 | 1158 } |
| 1159 | |
| 1160 // If arg is on the stack then place it otherwise it is already in correct reg. | |
| 1161 if (dst.first()->is_stack()) { | |
| 304 | 1162 __ movptr(Address(rsp, reg2offset_out(dst.first())), rHandle); |
| 0 | 1163 } |
| 1164 } | |
| 1165 | |
| 1166 // A float arg may have to do float reg int reg conversion | |
| 1167 static void float_move(MacroAssembler* masm, VMRegPair src, VMRegPair dst) { | |
| 1168 assert(!src.second()->is_valid() && !dst.second()->is_valid(), "bad float_move"); | |
| 1169 | |
| 1170 // The calling conventions assures us that each VMregpair is either | |
| 1171 // all really one physical register or adjacent stack slots. | |
| 1172 // This greatly simplifies the cases here compared to sparc. | |
| 1173 | |
| 1174 if (src.first()->is_stack()) { | |
| 1175 if (dst.first()->is_stack()) { | |
| 1176 __ movl(rax, Address(rbp, reg2offset_in(src.first()))); | |
| 304 | 1177 __ movptr(Address(rsp, reg2offset_out(dst.first())), rax); |
| 0 | 1178 } else { |
| 1179 // stack to reg | |
| 1180 assert(dst.first()->is_XMMRegister(), "only expect xmm registers as parameters"); | |
| 1181 __ movflt(dst.first()->as_XMMRegister(), Address(rbp, reg2offset_in(src.first()))); | |
| 1182 } | |
| 1183 } else if (dst.first()->is_stack()) { | |
| 1184 // reg to stack | |
| 1185 assert(src.first()->is_XMMRegister(), "only expect xmm registers as parameters"); | |
| 1186 __ movflt(Address(rsp, reg2offset_out(dst.first())), src.first()->as_XMMRegister()); | |
| 1187 } else { | |
| 1188 // reg to reg | |
| 1189 // In theory these overlap but the ordering is such that this is likely a nop | |
| 1190 if ( src.first() != dst.first()) { | |
| 1191 __ movdbl(dst.first()->as_XMMRegister(), src.first()->as_XMMRegister()); | |
| 1192 } | |
| 1193 } | |
| 1194 } | |
| 1195 | |
| 1196 // A long move | |
| 1197 static void long_move(MacroAssembler* masm, VMRegPair src, VMRegPair dst) { | |
| 1198 | |
| 1199 // The calling conventions assures us that each VMregpair is either | |
| 1200 // all really one physical register or adjacent stack slots. | |
| 1201 // This greatly simplifies the cases here compared to sparc. | |
| 1202 | |
| 1203 if (src.is_single_phys_reg() ) { | |
| 1204 if (dst.is_single_phys_reg()) { | |
| 1205 if (dst.first() != src.first()) { | |
| 304 | 1206 __ mov(dst.first()->as_Register(), src.first()->as_Register()); |
| 0 | 1207 } |
| 1208 } else { | |
| 1209 assert(dst.is_single_reg(), "not a stack pair"); | |
| 1210 __ movq(Address(rsp, reg2offset_out(dst.first())), src.first()->as_Register()); | |
| 1211 } | |
| 1212 } else if (dst.is_single_phys_reg()) { | |
| 1213 assert(src.is_single_reg(), "not a stack pair"); | |
| 1214 __ movq(dst.first()->as_Register(), Address(rbp, reg2offset_out(src.first()))); | |
| 1215 } else { | |
| 1216 assert(src.is_single_reg() && dst.is_single_reg(), "not stack pairs"); | |
| 1217 __ movq(rax, Address(rbp, reg2offset_in(src.first()))); | |
| 1218 __ movq(Address(rsp, reg2offset_out(dst.first())), rax); | |
| 1219 } | |
| 1220 } | |
| 1221 | |
| 1222 // A double move | |
| 1223 static void double_move(MacroAssembler* masm, VMRegPair src, VMRegPair dst) { | |
| 1224 | |
| 1225 // The calling conventions assures us that each VMregpair is either | |
| 1226 // all really one physical register or adjacent stack slots. | |
| 1227 // This greatly simplifies the cases here compared to sparc. | |
| 1228 | |
| 1229 if (src.is_single_phys_reg() ) { | |
| 1230 if (dst.is_single_phys_reg()) { | |
| 1231 // In theory these overlap but the ordering is such that this is likely a nop | |
| 1232 if ( src.first() != dst.first()) { | |
| 1233 __ movdbl(dst.first()->as_XMMRegister(), src.first()->as_XMMRegister()); | |
| 1234 } | |
| 1235 } else { | |
| 1236 assert(dst.is_single_reg(), "not a stack pair"); | |
| 1237 __ movdbl(Address(rsp, reg2offset_out(dst.first())), src.first()->as_XMMRegister()); | |
| 1238 } | |
| 1239 } else if (dst.is_single_phys_reg()) { | |
| 1240 assert(src.is_single_reg(), "not a stack pair"); | |
| 1241 __ movdbl(dst.first()->as_XMMRegister(), Address(rbp, reg2offset_out(src.first()))); | |
| 1242 } else { | |
| 1243 assert(src.is_single_reg() && dst.is_single_reg(), "not stack pairs"); | |
| 1244 __ movq(rax, Address(rbp, reg2offset_in(src.first()))); | |
| 1245 __ movq(Address(rsp, reg2offset_out(dst.first())), rax); | |
| 1246 } | |
| 1247 } | |
| 1248 | |
| 1249 | |
| 1250 void SharedRuntime::save_native_result(MacroAssembler *masm, BasicType ret_type, int frame_slots) { | |
| 1251 // We always ignore the frame_slots arg and just use the space just below frame pointer | |
| 1252 // which by this time is free to use | |
| 1253 switch (ret_type) { | |
| 1254 case T_FLOAT: | |
| 1255 __ movflt(Address(rbp, -wordSize), xmm0); | |
| 1256 break; | |
| 1257 case T_DOUBLE: | |
| 1258 __ movdbl(Address(rbp, -wordSize), xmm0); | |
| 1259 break; | |
| 1260 case T_VOID: break; | |
| 1261 default: { | |
| 304 | 1262 __ movptr(Address(rbp, -wordSize), rax); |
| 0 | 1263 } |
| 1264 } | |
| 1265 } | |
| 1266 | |
| 1267 void SharedRuntime::restore_native_result(MacroAssembler *masm, BasicType ret_type, int frame_slots) { | |
| 1268 // We always ignore the frame_slots arg and just use the space just below frame pointer | |
| 1269 // which by this time is free to use | |
| 1270 switch (ret_type) { | |
| 1271 case T_FLOAT: | |
| 1272 __ movflt(xmm0, Address(rbp, -wordSize)); | |
| 1273 break; | |
| 1274 case T_DOUBLE: | |
| 1275 __ movdbl(xmm0, Address(rbp, -wordSize)); | |
| 1276 break; | |
| 1277 case T_VOID: break; | |
| 1278 default: { | |
| 304 | 1279 __ movptr(rax, Address(rbp, -wordSize)); |
| 0 | 1280 } |
| 1281 } | |
| 1282 } | |
| 1283 | |
| 1284 static void save_args(MacroAssembler *masm, int arg_count, int first_arg, VMRegPair *args) { | |
| 1285 for ( int i = first_arg ; i < arg_count ; i++ ) { | |
| 1286 if (args[i].first()->is_Register()) { | |
| 304 | 1287 __ push(args[i].first()->as_Register()); |
| 0 | 1288 } else if (args[i].first()->is_XMMRegister()) { |
| 304 | 1289 __ subptr(rsp, 2*wordSize); |
| 0 | 1290 __ movdbl(Address(rsp, 0), args[i].first()->as_XMMRegister()); |
| 1291 } | |
| 1292 } | |
| 1293 } | |
| 1294 | |
| 1295 static void restore_args(MacroAssembler *masm, int arg_count, int first_arg, VMRegPair *args) { | |
| 1296 for ( int i = arg_count - 1 ; i >= first_arg ; i-- ) { | |
| 1297 if (args[i].first()->is_Register()) { | |
| 304 | 1298 __ pop(args[i].first()->as_Register()); |
| 0 | 1299 } else if (args[i].first()->is_XMMRegister()) { |
| 1300 __ movdbl(args[i].first()->as_XMMRegister(), Address(rsp, 0)); | |
| 304 | 1301 __ addptr(rsp, 2*wordSize); |
| 0 | 1302 } |
| 1303 } | |
| 1304 } | |
| 1305 | |
|
4873
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1306 |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1307 static void save_or_restore_arguments(MacroAssembler* masm, |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1308 const int stack_slots, |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1309 const int total_in_args, |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1310 const int arg_save_area, |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1311 OopMap* map, |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1312 VMRegPair* in_regs, |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1313 BasicType* in_sig_bt) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1314 // if map is non-NULL then the code should store the values, |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1315 // otherwise it should load them. |
| 5905 | 1316 int slot = arg_save_area; |
|
4873
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1317 // Save down double word first |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1318 for ( int i = 0; i < total_in_args; i++) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1319 if (in_regs[i].first()->is_XMMRegister() && in_sig_bt[i] == T_DOUBLE) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1320 int offset = slot * VMRegImpl::stack_slot_size; |
| 5905 | 1321 slot += VMRegImpl::slots_per_word; |
| 1322 assert(slot <= stack_slots, "overflow"); | |
|
4873
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1323 if (map != NULL) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1324 __ movdbl(Address(rsp, offset), in_regs[i].first()->as_XMMRegister()); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1325 } else { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1326 __ movdbl(in_regs[i].first()->as_XMMRegister(), Address(rsp, offset)); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1327 } |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1328 } |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1329 if (in_regs[i].first()->is_Register() && |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1330 (in_sig_bt[i] == T_LONG || in_sig_bt[i] == T_ARRAY)) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1331 int offset = slot * VMRegImpl::stack_slot_size; |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1332 if (map != NULL) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1333 __ movq(Address(rsp, offset), in_regs[i].first()->as_Register()); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1334 if (in_sig_bt[i] == T_ARRAY) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1335 map->set_oop(VMRegImpl::stack2reg(slot));; |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1336 } |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1337 } else { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1338 __ movq(in_regs[i].first()->as_Register(), Address(rsp, offset)); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1339 } |
| 5907 | 1340 slot += VMRegImpl::slots_per_word; |
|
4873
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1341 } |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1342 } |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1343 // Save or restore single word registers |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1344 for ( int i = 0; i < total_in_args; i++) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1345 if (in_regs[i].first()->is_Register()) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1346 int offset = slot * VMRegImpl::stack_slot_size; |
| 5905 | 1347 slot++; |
| 1348 assert(slot <= stack_slots, "overflow"); | |
|
4873
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1349 |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1350 // Value is in an input register pass we must flush it to the stack |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1351 const Register reg = in_regs[i].first()->as_Register(); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1352 switch (in_sig_bt[i]) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1353 case T_BOOLEAN: |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1354 case T_CHAR: |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1355 case T_BYTE: |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1356 case T_SHORT: |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1357 case T_INT: |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1358 if (map != NULL) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1359 __ movl(Address(rsp, offset), reg); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1360 } else { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1361 __ movl(reg, Address(rsp, offset)); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1362 } |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1363 break; |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1364 case T_ARRAY: |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1365 case T_LONG: |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1366 // handled above |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1367 break; |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1368 case T_OBJECT: |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1369 default: ShouldNotReachHere(); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1370 } |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1371 } else if (in_regs[i].first()->is_XMMRegister()) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1372 if (in_sig_bt[i] == T_FLOAT) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1373 int offset = slot * VMRegImpl::stack_slot_size; |
| 5905 | 1374 slot++; |
| 1375 assert(slot <= stack_slots, "overflow"); | |
|
4873
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1376 if (map != NULL) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1377 __ movflt(Address(rsp, offset), in_regs[i].first()->as_XMMRegister()); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1378 } else { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1379 __ movflt(in_regs[i].first()->as_XMMRegister(), Address(rsp, offset)); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1380 } |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1381 } |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1382 } else if (in_regs[i].first()->is_stack()) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1383 if (in_sig_bt[i] == T_ARRAY && map != NULL) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1384 int offset_in_older_frame = in_regs[i].first()->reg2stack() + SharedRuntime::out_preserve_stack_slots(); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1385 map->set_oop(VMRegImpl::stack2reg(offset_in_older_frame + stack_slots)); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1386 } |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1387 } |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1388 } |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1389 } |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1390 |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1391 |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1392 // Check GC_locker::needs_gc and enter the runtime if it's true. This |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1393 // keeps a new JNI critical region from starting until a GC has been |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1394 // forced. Save down any oops in registers and describe them in an |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1395 // OopMap. |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1396 static void check_needs_gc_for_critical_native(MacroAssembler* masm, |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1397 int stack_slots, |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1398 int total_c_args, |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1399 int total_in_args, |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1400 int arg_save_area, |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1401 OopMapSet* oop_maps, |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1402 VMRegPair* in_regs, |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1403 BasicType* in_sig_bt) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1404 __ block_comment("check GC_locker::needs_gc"); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1405 Label cont; |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1406 __ cmp8(ExternalAddress((address)GC_locker::needs_gc_address()), false); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1407 __ jcc(Assembler::equal, cont); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1408 |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1409 // Save down any incoming oops and call into the runtime to halt for a GC |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1410 |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1411 OopMap* map = new OopMap(stack_slots * 2, 0 /* arg_slots*/); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1412 save_or_restore_arguments(masm, stack_slots, total_in_args, |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1413 arg_save_area, map, in_regs, in_sig_bt); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1414 |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1415 address the_pc = __ pc(); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1416 oop_maps->add_gc_map( __ offset(), map); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1417 __ set_last_Java_frame(rsp, noreg, the_pc); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1418 |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1419 __ block_comment("block_for_jni_critical"); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1420 __ movptr(c_rarg0, r15_thread); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1421 __ mov(r12, rsp); // remember sp |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1422 __ subptr(rsp, frame::arg_reg_save_area_bytes); // windows |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1423 __ andptr(rsp, -16); // align stack as required by ABI |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1424 __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, SharedRuntime::block_for_jni_critical))); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1425 __ mov(rsp, r12); // restore sp |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1426 __ reinit_heapbase(); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1427 |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1428 __ reset_last_Java_frame(false, true); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1429 |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1430 save_or_restore_arguments(masm, stack_slots, total_in_args, |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1431 arg_save_area, NULL, in_regs, in_sig_bt); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1432 |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1433 __ bind(cont); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1434 #ifdef ASSERT |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1435 if (StressCriticalJNINatives) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1436 // Stress register saving |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1437 OopMap* map = new OopMap(stack_slots * 2, 0 /* arg_slots*/); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1438 save_or_restore_arguments(masm, stack_slots, total_in_args, |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1439 arg_save_area, map, in_regs, in_sig_bt); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1440 // Destroy argument registers |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1441 for (int i = 0; i < total_in_args - 1; i++) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1442 if (in_regs[i].first()->is_Register()) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1443 const Register reg = in_regs[i].first()->as_Register(); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1444 __ xorptr(reg, reg); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1445 } else if (in_regs[i].first()->is_XMMRegister()) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1446 __ xorpd(in_regs[i].first()->as_XMMRegister(), in_regs[i].first()->as_XMMRegister()); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1447 } else if (in_regs[i].first()->is_FloatRegister()) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1448 ShouldNotReachHere(); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1449 } else if (in_regs[i].first()->is_stack()) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1450 // Nothing to do |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1451 } else { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1452 ShouldNotReachHere(); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1453 } |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1454 if (in_sig_bt[i] == T_LONG || in_sig_bt[i] == T_DOUBLE) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1455 i++; |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1456 } |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1457 } |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1458 |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1459 save_or_restore_arguments(masm, stack_slots, total_in_args, |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1460 arg_save_area, NULL, in_regs, in_sig_bt); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1461 } |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1462 #endif |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1463 } |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1464 |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1465 // Unpack an array argument into a pointer to the body and the length |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1466 // if the array is non-null, otherwise pass 0 for both. |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1467 static void unpack_array_argument(MacroAssembler* masm, VMRegPair reg, BasicType in_elem_type, VMRegPair body_arg, VMRegPair length_arg) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1468 Register tmp_reg = rax; |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1469 assert(!body_arg.first()->is_Register() || body_arg.first()->as_Register() != tmp_reg, |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1470 "possible collision"); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1471 assert(!length_arg.first()->is_Register() || length_arg.first()->as_Register() != tmp_reg, |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1472 "possible collision"); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1473 |
|
10998
e7f5651d459c
8003268: SharedRuntime::generate_native_wrapper doesn't save all registers across runtime tracing calls for JNI critical native methods
twisti
parents:
8873
diff
changeset
|
1474 __ block_comment("unpack_array_argument {"); |
|
e7f5651d459c
8003268: SharedRuntime::generate_native_wrapper doesn't save all registers across runtime tracing calls for JNI critical native methods
twisti
parents:
8873
diff
changeset
|
1475 |
|
4873
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1476 // Pass the length, ptr pair |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1477 Label is_null, done; |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1478 VMRegPair tmp; |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1479 tmp.set_ptr(tmp_reg->as_VMReg()); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1480 if (reg.first()->is_stack()) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1481 // Load the arg up from the stack |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1482 move_ptr(masm, reg, tmp); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1483 reg = tmp; |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1484 } |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1485 __ testptr(reg.first()->as_Register(), reg.first()->as_Register()); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1486 __ jccb(Assembler::equal, is_null); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1487 __ lea(tmp_reg, Address(reg.first()->as_Register(), arrayOopDesc::base_offset_in_bytes(in_elem_type))); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1488 move_ptr(masm, tmp, body_arg); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1489 // load the length relative to the body. |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1490 __ movl(tmp_reg, Address(tmp_reg, arrayOopDesc::length_offset_in_bytes() - |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1491 arrayOopDesc::base_offset_in_bytes(in_elem_type))); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1492 move32_64(masm, tmp, length_arg); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1493 __ jmpb(done); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1494 __ bind(is_null); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1495 // Pass zeros |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1496 __ xorptr(tmp_reg, tmp_reg); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1497 move_ptr(masm, tmp, body_arg); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1498 move32_64(masm, tmp, length_arg); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1499 __ bind(done); |
|
10998
e7f5651d459c
8003268: SharedRuntime::generate_native_wrapper doesn't save all registers across runtime tracing calls for JNI critical native methods
twisti
parents:
8873
diff
changeset
|
1500 |
|
e7f5651d459c
8003268: SharedRuntime::generate_native_wrapper doesn't save all registers across runtime tracing calls for JNI critical native methods
twisti
parents:
8873
diff
changeset
|
1501 __ block_comment("} unpack_array_argument"); |
|
4873
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1502 } |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1503 |
| 5905 | 1504 |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1505 // Different signatures may require very different orders for the move |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1506 // to avoid clobbering other arguments. There's no simple way to |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1507 // order them safely. Compute a safe order for issuing stores and |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1508 // break any cycles in those stores. This code is fairly general but |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1509 // it's not necessary on the other platforms so we keep it in the |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1510 // platform dependent code instead of moving it into a shared file. |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1511 // (See bugs 7013347 & 7145024.) |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1512 // Note that this code is specific to LP64. |
| 5905 | 1513 class ComputeMoveOrder: public StackObj { |
| 1514 class MoveOperation: public ResourceObj { | |
| 1515 friend class ComputeMoveOrder; | |
| 1516 private: | |
| 1517 VMRegPair _src; | |
| 1518 VMRegPair _dst; | |
| 1519 int _src_index; | |
| 1520 int _dst_index; | |
| 1521 bool _processed; | |
| 1522 MoveOperation* _next; | |
| 1523 MoveOperation* _prev; | |
| 1524 | |
| 1525 static int get_id(VMRegPair r) { | |
| 1526 return r.first()->value(); | |
| 1527 } | |
| 1528 | |
| 1529 public: | |
| 1530 MoveOperation(int src_index, VMRegPair src, int dst_index, VMRegPair dst): | |
| 1531 _src(src) | |
| 1532 , _src_index(src_index) | |
| 1533 , _dst(dst) | |
| 1534 , _dst_index(dst_index) | |
| 1535 , _next(NULL) | |
| 1536 , _prev(NULL) | |
| 1537 , _processed(false) { | |
| 1538 } | |
| 1539 | |
| 1540 VMRegPair src() const { return _src; } | |
| 1541 int src_id() const { return get_id(src()); } | |
| 1542 int src_index() const { return _src_index; } | |
| 1543 VMRegPair dst() const { return _dst; } | |
| 1544 void set_dst(int i, VMRegPair dst) { _dst_index = i, _dst = dst; } | |
| 1545 int dst_index() const { return _dst_index; } | |
| 1546 int dst_id() const { return get_id(dst()); } | |
| 1547 MoveOperation* next() const { return _next; } | |
| 1548 MoveOperation* prev() const { return _prev; } | |
| 1549 void set_processed() { _processed = true; } | |
| 1550 bool is_processed() const { return _processed; } | |
| 1551 | |
| 1552 // insert | |
| 1553 void break_cycle(VMRegPair temp_register) { | |
| 1554 // create a new store following the last store | |
| 1555 // to move from the temp_register to the original | |
| 1556 MoveOperation* new_store = new MoveOperation(-1, temp_register, dst_index(), dst()); | |
| 1557 | |
| 1558 // break the cycle of links and insert new_store at the end | |
| 1559 // break the reverse link. | |
| 1560 MoveOperation* p = prev(); | |
| 1561 assert(p->next() == this, "must be"); | |
| 1562 _prev = NULL; | |
| 1563 p->_next = new_store; | |
| 1564 new_store->_prev = p; | |
| 1565 | |
| 1566 // change the original store to save it's value in the temp. | |
| 1567 set_dst(-1, temp_register); | |
| 1568 } | |
| 1569 | |
| 1570 void link(GrowableArray<MoveOperation*>& killer) { | |
| 1571 // link this store in front the store that it depends on | |
| 1572 MoveOperation* n = killer.at_grow(src_id(), NULL); | |
| 1573 if (n != NULL) { | |
| 1574 assert(_next == NULL && n->_prev == NULL, "shouldn't have been set yet"); | |
| 1575 _next = n; | |
| 1576 n->_prev = this; | |
| 1577 } | |
| 1578 } | |
| 1579 }; | |
| 1580 | |
| 1581 private: | |
| 1582 GrowableArray<MoveOperation*> edges; | |
| 1583 | |
| 1584 public: | |
| 1585 ComputeMoveOrder(int total_in_args, VMRegPair* in_regs, int total_c_args, VMRegPair* out_regs, | |
| 1586 BasicType* in_sig_bt, GrowableArray<int>& arg_order, VMRegPair tmp_vmreg) { | |
| 1587 // Move operations where the dest is the stack can all be | |
| 1588 // scheduled first since they can't interfere with the other moves. | |
| 1589 for (int i = total_in_args - 1, c_arg = total_c_args - 1; i >= 0; i--, c_arg--) { | |
| 1590 if (in_sig_bt[i] == T_ARRAY) { | |
| 1591 c_arg--; | |
| 1592 if (out_regs[c_arg].first()->is_stack() && | |
| 1593 out_regs[c_arg + 1].first()->is_stack()) { | |
| 1594 arg_order.push(i); | |
| 1595 arg_order.push(c_arg); | |
| 1596 } else { | |
| 1597 if (out_regs[c_arg].first()->is_stack() || | |
| 1598 in_regs[i].first() == out_regs[c_arg].first()) { | |
| 1599 add_edge(i, in_regs[i].first(), c_arg, out_regs[c_arg + 1]); | |
| 1600 } else { | |
| 1601 add_edge(i, in_regs[i].first(), c_arg, out_regs[c_arg]); | |
| 1602 } | |
| 1603 } | |
| 1604 } else if (in_sig_bt[i] == T_VOID) { | |
| 1605 arg_order.push(i); | |
| 1606 arg_order.push(c_arg); | |
| 1607 } else { | |
| 1608 if (out_regs[c_arg].first()->is_stack() || | |
| 1609 in_regs[i].first() == out_regs[c_arg].first()) { | |
| 1610 arg_order.push(i); | |
| 1611 arg_order.push(c_arg); | |
| 1612 } else { | |
| 1613 add_edge(i, in_regs[i].first(), c_arg, out_regs[c_arg]); | |
| 1614 } | |
| 1615 } | |
| 1616 } | |
| 1617 // Break any cycles in the register moves and emit the in the | |
| 1618 // proper order. | |
| 1619 GrowableArray<MoveOperation*>* stores = get_store_order(tmp_vmreg); | |
| 1620 for (int i = 0; i < stores->length(); i++) { | |
| 1621 arg_order.push(stores->at(i)->src_index()); | |
| 1622 arg_order.push(stores->at(i)->dst_index()); | |
| 1623 } | |
| 1624 } | |
| 1625 | |
| 1626 // Collected all the move operations | |
| 1627 void add_edge(int src_index, VMRegPair src, int dst_index, VMRegPair dst) { | |
| 1628 if (src.first() == dst.first()) return; | |
| 1629 edges.append(new MoveOperation(src_index, src, dst_index, dst)); | |
| 1630 } | |
| 1631 | |
| 1632 // Walk the edges breaking cycles between moves. The result list | |
| 1633 // can be walked in order to produce the proper set of loads | |
| 1634 GrowableArray<MoveOperation*>* get_store_order(VMRegPair temp_register) { | |
| 1635 // Record which moves kill which values | |
| 1636 GrowableArray<MoveOperation*> killer; | |
| 1637 for (int i = 0; i < edges.length(); i++) { | |
| 1638 MoveOperation* s = edges.at(i); | |
| 1639 assert(killer.at_grow(s->dst_id(), NULL) == NULL, "only one killer"); | |
| 1640 killer.at_put_grow(s->dst_id(), s, NULL); | |
| 1641 } | |
| 1642 assert(killer.at_grow(MoveOperation::get_id(temp_register), NULL) == NULL, | |
| 1643 "make sure temp isn't in the registers that are killed"); | |
| 1644 | |
| 1645 // create links between loads and stores | |
| 1646 for (int i = 0; i < edges.length(); i++) { | |
| 1647 edges.at(i)->link(killer); | |
| 1648 } | |
| 1649 | |
| 1650 // at this point, all the move operations are chained together | |
| 1651 // in a doubly linked list. Processing it backwards finds | |
| 1652 // the beginning of the chain, forwards finds the end. If there's | |
| 1653 // a cycle it can be broken at any point, so pick an edge and walk | |
| 1654 // backward until the list ends or we end where we started. | |
| 1655 GrowableArray<MoveOperation*>* stores = new GrowableArray<MoveOperation*>(); | |
| 1656 for (int e = 0; e < edges.length(); e++) { | |
| 1657 MoveOperation* s = edges.at(e); | |
| 1658 if (!s->is_processed()) { | |
| 1659 MoveOperation* start = s; | |
| 1660 // search for the beginning of the chain or cycle | |
| 1661 while (start->prev() != NULL && start->prev() != s) { | |
| 1662 start = start->prev(); | |
| 1663 } | |
| 1664 if (start->prev() == s) { | |
| 1665 start->break_cycle(temp_register); | |
| 1666 } | |
| 1667 // walk the chain forward inserting to store list | |
| 1668 while (start != NULL) { | |
| 1669 stores->append(start); | |
| 1670 start->set_processed(); | |
| 1671 start = start->next(); | |
| 1672 } | |
| 1673 } | |
| 1674 } | |
| 1675 return stores; | |
| 1676 } | |
| 1677 }; | |
| 1678 | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1679 static void verify_oop_args(MacroAssembler* masm, |
|
6790
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6739
diff
changeset
|
1680 methodHandle method, |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1681 const BasicType* sig_bt, |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1682 const VMRegPair* regs) { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1683 Register temp_reg = rbx; // not part of any compiled calling seq |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1684 if (VerifyOops) { |
|
6790
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6739
diff
changeset
|
1685 for (int i = 0; i < method->size_of_parameters(); i++) { |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1686 if (sig_bt[i] == T_OBJECT || |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1687 sig_bt[i] == T_ARRAY) { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1688 VMReg r = regs[i].first(); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1689 assert(r->is_valid(), "bad oop arg"); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1690 if (r->is_stack()) { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1691 __ movptr(temp_reg, Address(rsp, r->reg2stack() * VMRegImpl::stack_slot_size + wordSize)); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1692 __ verify_oop(temp_reg); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1693 } else { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1694 __ verify_oop(r->as_Register()); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1695 } |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1696 } |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1697 } |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1698 } |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1699 } |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1700 |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1701 static void gen_special_dispatch(MacroAssembler* masm, |
|
6790
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6739
diff
changeset
|
1702 methodHandle method, |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1703 const BasicType* sig_bt, |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1704 const VMRegPair* regs) { |
|
6790
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6739
diff
changeset
|
1705 verify_oop_args(masm, method, sig_bt, regs); |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6739
diff
changeset
|
1706 vmIntrinsics::ID iid = method->intrinsic_id(); |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1707 |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1708 // Now write the args into the outgoing interpreter space |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1709 bool has_receiver = false; |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1710 Register receiver_reg = noreg; |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1711 int member_arg_pos = -1; |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1712 Register member_reg = noreg; |
|
6790
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6739
diff
changeset
|
1713 int ref_kind = MethodHandles::signature_polymorphic_intrinsic_ref_kind(iid); |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1714 if (ref_kind != 0) { |
|
6790
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6739
diff
changeset
|
1715 member_arg_pos = method->size_of_parameters() - 1; // trailing MemberName argument |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1716 member_reg = rbx; // known to be free at this point |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1717 has_receiver = MethodHandles::ref_kind_has_receiver(ref_kind); |
|
6790
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6739
diff
changeset
|
1718 } else if (iid == vmIntrinsics::_invokeBasic) { |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1719 has_receiver = true; |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1720 } else { |
|
6790
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6739
diff
changeset
|
1721 fatal(err_msg_res("unexpected intrinsic id %d", iid)); |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1722 } |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1723 |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1724 if (member_reg != noreg) { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1725 // Load the member_arg into register, if necessary. |
|
6790
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6739
diff
changeset
|
1726 SharedRuntime::check_member_name_argument_is_last_argument(method, sig_bt, regs); |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1727 VMReg r = regs[member_arg_pos].first(); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1728 if (r->is_stack()) { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1729 __ movptr(member_reg, Address(rsp, r->reg2stack() * VMRegImpl::stack_slot_size + wordSize)); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1730 } else { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1731 // no data motion is needed |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1732 member_reg = r->as_Register(); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1733 } |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1734 } |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1735 |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1736 if (has_receiver) { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1737 // Make sure the receiver is loaded into a register. |
|
6790
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6739
diff
changeset
|
1738 assert(method->size_of_parameters() > 0, "oob"); |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1739 assert(sig_bt[0] == T_OBJECT, "receiver argument must be an object"); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1740 VMReg r = regs[0].first(); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1741 assert(r->is_valid(), "bad receiver arg"); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1742 if (r->is_stack()) { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1743 // Porting note: This assumes that compiled calling conventions always |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1744 // pass the receiver oop in a register. If this is not true on some |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1745 // platform, pick a temp and load the receiver from stack. |
|
6790
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6739
diff
changeset
|
1746 fatal("receiver always in a register"); |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1747 receiver_reg = j_rarg0; // known to be free at this point |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1748 __ movptr(receiver_reg, Address(rsp, r->reg2stack() * VMRegImpl::stack_slot_size + wordSize)); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1749 } else { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1750 // no data motion is needed |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1751 receiver_reg = r->as_Register(); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1752 } |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1753 } |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1754 |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1755 // Figure out which address we are really jumping to: |
|
6790
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6739
diff
changeset
|
1756 MethodHandles::generate_method_handle_dispatch(masm, iid, |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1757 receiver_reg, member_reg, /*for_compiler_entry:*/ true); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1758 } |
| 5905 | 1759 |
| 0 | 1760 // --------------------------------------------------------------------------- |
| 1761 // Generate a native wrapper for a given method. The method takes arguments | |
| 1762 // in the Java compiled code convention, marshals them to the native | |
| 1763 // convention (handlizes oops, etc), transitions to native, makes the call, | |
| 1764 // returns to java state (possibly blocking), unhandlizes any result and | |
| 1765 // returns. | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1766 // |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1767 // Critical native functions are a shorthand for the use of |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1768 // GetPrimtiveArrayCritical and disallow the use of any other JNI |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1769 // functions. The wrapper is expected to unpack the arguments before |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1770 // passing them to the callee and perform checks before and after the |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1771 // native call to ensure that they GC_locker |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1772 // lock_critical/unlock_critical semantics are followed. Some other |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1773 // parts of JNI setup are skipped like the tear down of the JNI handle |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1774 // block and the check for pending exceptions it's impossible for them |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1775 // to be thrown. |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1776 // |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1777 // They are roughly structured like this: |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1778 // if (GC_locker::needs_gc()) |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1779 // SharedRuntime::block_for_jni_critical(); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1780 // tranistion to thread_in_native |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1781 // unpack arrray arguments and call native entry point |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1782 // check for safepoint in progress |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1783 // check if any thread suspend flags are set |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1784 // call into JVM and possible unlock the JNI critical |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1785 // if a GC was suppressed while in the critical native. |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1786 // transition back to thread_in_Java |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1787 // return to caller |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1788 // |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1789 nmethod* SharedRuntime::generate_native_wrapper(MacroAssembler* masm, |
| 0 | 1790 methodHandle method, |
|
2405
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2245
diff
changeset
|
1791 int compile_id, |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1792 BasicType* in_sig_bt, |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1793 VMRegPair* in_regs, |
| 0 | 1794 BasicType ret_type) { |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1795 if (method->is_method_handle_intrinsic()) { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1796 vmIntrinsics::ID iid = method->intrinsic_id(); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1797 intptr_t start = (intptr_t)__ pc(); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1798 int vep_offset = ((intptr_t)__ pc()) - start; |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1799 gen_special_dispatch(masm, |
|
6790
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6739
diff
changeset
|
1800 method, |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1801 in_sig_bt, |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1802 in_regs); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1803 int frame_complete = ((intptr_t)__ pc()) - start; // not complete, period |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1804 __ flush(); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1805 int stack_slots = SharedRuntime::out_preserve_stack_slots(); // no out slots at all, actually |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1806 return nmethod::new_native_nmethod(method, |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1807 compile_id, |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1808 masm->code(), |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1809 vep_offset, |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1810 frame_complete, |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1811 stack_slots / VMRegImpl::slots_per_word, |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1812 in_ByteSize(-1), |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1813 in_ByteSize(-1), |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1814 (OopMapSet*)NULL); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1815 } |
|
4873
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1816 bool is_critical_native = true; |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1817 address native_func = method->critical_native_function(); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1818 if (native_func == NULL) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1819 native_func = method->native_function(); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1820 is_critical_native = false; |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1821 } |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1822 assert(native_func != NULL, "must have function"); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1823 |
| 0 | 1824 // An OopMap for lock (and class if static) |
| 1825 OopMapSet *oop_maps = new OopMapSet(); | |
| 1826 intptr_t start = (intptr_t)__ pc(); | |
| 1827 | |
| 1828 // We have received a description of where all the java arg are located | |
| 1829 // on entry to the wrapper. We need to convert these args to where | |
| 1830 // the jni function will expect them. To figure out where they go | |
| 1831 // we convert the java signature to a C signature by inserting | |
| 1832 // the hidden arguments as arg[0] and possibly arg[1] (static method) | |
| 1833 | |
|
6790
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6739
diff
changeset
|
1834 const int total_in_args = method->size_of_parameters(); |
|
4873
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1835 int total_c_args = total_in_args; |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1836 if (!is_critical_native) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1837 total_c_args += 1; |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1838 if (method->is_static()) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1839 total_c_args++; |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1840 } |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1841 } else { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1842 for (int i = 0; i < total_in_args; i++) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1843 if (in_sig_bt[i] == T_ARRAY) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1844 total_c_args++; |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1845 } |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1846 } |
| 0 | 1847 } |
| 1848 | |
| 1849 BasicType* out_sig_bt = NEW_RESOURCE_ARRAY(BasicType, total_c_args); | |
|
4873
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1850 VMRegPair* out_regs = NEW_RESOURCE_ARRAY(VMRegPair, total_c_args); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1851 BasicType* in_elem_bt = NULL; |
| 0 | 1852 |
| 1853 int argc = 0; | |
|
4873
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1854 if (!is_critical_native) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1855 out_sig_bt[argc++] = T_ADDRESS; |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1856 if (method->is_static()) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1857 out_sig_bt[argc++] = T_OBJECT; |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1858 } |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1859 |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1860 for (int i = 0; i < total_in_args ; i++ ) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1861 out_sig_bt[argc++] = in_sig_bt[i]; |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1862 } |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1863 } else { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1864 Thread* THREAD = Thread::current(); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1865 in_elem_bt = NEW_RESOURCE_ARRAY(BasicType, total_in_args); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1866 SignatureStream ss(method->signature()); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1867 for (int i = 0; i < total_in_args ; i++ ) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1868 if (in_sig_bt[i] == T_ARRAY) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1869 // Arrays are passed as int, elem* pair |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1870 out_sig_bt[argc++] = T_INT; |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1871 out_sig_bt[argc++] = T_ADDRESS; |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1872 Symbol* atype = ss.as_symbol(CHECK_NULL); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1873 const char* at = atype->as_C_string(); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1874 if (strlen(at) == 2) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1875 assert(at[0] == '[', "must be"); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1876 switch (at[1]) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1877 case 'B': in_elem_bt[i] = T_BYTE; break; |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1878 case 'C': in_elem_bt[i] = T_CHAR; break; |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1879 case 'D': in_elem_bt[i] = T_DOUBLE; break; |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1880 case 'F': in_elem_bt[i] = T_FLOAT; break; |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1881 case 'I': in_elem_bt[i] = T_INT; break; |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1882 case 'J': in_elem_bt[i] = T_LONG; break; |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1883 case 'S': in_elem_bt[i] = T_SHORT; break; |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1884 case 'Z': in_elem_bt[i] = T_BOOLEAN; break; |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1885 default: ShouldNotReachHere(); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1886 } |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1887 } |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1888 } else { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1889 out_sig_bt[argc++] = in_sig_bt[i]; |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1890 in_elem_bt[i] = T_VOID; |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1891 } |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1892 if (in_sig_bt[i] != T_VOID) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1893 assert(in_sig_bt[i] == ss.type(), "must match"); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1894 ss.next(); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1895 } |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1896 } |
| 0 | 1897 } |
| 1898 | |
| 1899 // Now figure out where the args must be stored and how much stack space | |
| 1900 // they require. | |
| 1901 int out_arg_slots; | |
|
14416
6a936747b569
8024344: PPC64 (part 112): C argument in register AND stack slot.
goetz
parents:
10998
diff
changeset
|
1902 out_arg_slots = c_calling_convention(out_sig_bt, out_regs, NULL, total_c_args); |
| 0 | 1903 |
| 1904 // Compute framesize for the wrapper. We need to handlize all oops in | |
| 1905 // incoming registers | |
| 1906 | |
| 1907 // Calculate the total number of stack slots we will need. | |
| 1908 | |
| 1909 // First count the abi requirement plus all of the outgoing args | |
| 1910 int stack_slots = SharedRuntime::out_preserve_stack_slots() + out_arg_slots; | |
| 1911 | |
| 1912 // Now the space for the inbound oop handle area | |
|
4873
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1913 int total_save_slots = 6 * VMRegImpl::slots_per_word; // 6 arguments passed in registers |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1914 if (is_critical_native) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1915 // Critical natives may have to call out so they need a save area |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1916 // for register arguments. |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1917 int double_slots = 0; |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1918 int single_slots = 0; |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1919 for ( int i = 0; i < total_in_args; i++) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1920 if (in_regs[i].first()->is_Register()) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1921 const Register reg = in_regs[i].first()->as_Register(); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1922 switch (in_sig_bt[i]) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1923 case T_BOOLEAN: |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1924 case T_BYTE: |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1925 case T_SHORT: |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1926 case T_CHAR: |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1927 case T_INT: single_slots++; break; |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
5907
diff
changeset
|
1928 case T_ARRAY: // specific to LP64 (7145024) |
|
4873
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1929 case T_LONG: double_slots++; break; |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1930 default: ShouldNotReachHere(); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1931 } |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1932 } else if (in_regs[i].first()->is_XMMRegister()) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1933 switch (in_sig_bt[i]) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1934 case T_FLOAT: single_slots++; break; |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1935 case T_DOUBLE: double_slots++; break; |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1936 default: ShouldNotReachHere(); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1937 } |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1938 } else if (in_regs[i].first()->is_FloatRegister()) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1939 ShouldNotReachHere(); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1940 } |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1941 } |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1942 total_save_slots = double_slots * 2 + single_slots; |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1943 // align the save area |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1944 if (double_slots != 0) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1945 stack_slots = round_to(stack_slots, 2); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1946 } |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1947 } |
| 0 | 1948 |
| 1949 int oop_handle_offset = stack_slots; | |
|
4873
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
1950 stack_slots += total_save_slots; |
| 0 | 1951 |
| 1952 // Now any space we need for handlizing a klass if static method | |
| 1953 | |
| 1954 int klass_slot_offset = 0; | |
| 1955 int klass_offset = -1; | |
| 1956 int lock_slot_offset = 0; | |
| 1957 bool is_static = false; | |
| 1958 | |
| 1959 if (method->is_static()) { | |
| 1960 klass_slot_offset = stack_slots; | |
| 1961 stack_slots += VMRegImpl::slots_per_word; | |
| 1962 klass_offset = klass_slot_offset * VMRegImpl::stack_slot_size; | |
| 1963 is_static = true; | |
| 1964 } | |
| 1965 | |
| 1966 // Plus a lock if needed | |
| 1967 | |
| 1968 if (method->is_synchronized()) { | |
| 1969 lock_slot_offset = stack_slots; | |
| 1970 stack_slots += VMRegImpl::slots_per_word; | |
| 1971 } | |
| 1972 | |
| 1973 // Now a place (+2) to save return values or temp during shuffling | |
| 1974 // + 4 for return address (which we own) and saved rbp | |
| 1975 stack_slots += 6; | |
| 1976 | |
| 1977 // Ok The space we have allocated will look like: | |
| 1978 // | |
| 1979 // | |
| 1980 // FP-> | | | |
| 1981 // |---------------------| | |
| 1982 // | 2 slots for moves | | |
| 1983 // |---------------------| | |
| 1984 // | lock box (if sync) | | |
| 1985 // |---------------------| <- lock_slot_offset | |
| 1986 // | klass (if static) | | |
| 1987 // |---------------------| <- klass_slot_offset | |
| 1988 // | oopHandle area | | |
| 1989 // |---------------------| <- oop_handle_offset (6 java arg registers) | |
| 1990 // | outbound memory | | |
| 1991 // | based arguments | | |
| 1992 // | | | |
| 1993 // |---------------------| | |
| 1994 // | | | |
| 1995 // SP-> | out_preserved_slots | | |
| 1996 // | |
| 1997 // | |
| 1998 | |
| 1999 | |
| 2000 // Now compute actual number of stack words we need rounding to make | |
| 2001 // stack properly aligned. | |
|
524
c9004fe53695
6792301: StackAlignmentInBytes not honored for compiled native methods
xlu
parents:
520
diff
changeset
|
2002 stack_slots = round_to(stack_slots, StackAlignmentInSlots); |
| 0 | 2003 |
| 2004 int stack_size = stack_slots * VMRegImpl::stack_slot_size; | |
| 2005 | |
| 2006 // First thing make an ic check to see if we should even be here | |
| 2007 | |
| 2008 // We are free to use all registers as temps without saving them and | |
| 2009 // restoring them except rbp. rbp is the only callee save register | |
| 2010 // as far as the interpreter and the compiler(s) are concerned. | |
| 2011 | |
| 2012 | |
| 2013 const Register ic_reg = rax; | |
| 2014 const Register receiver = j_rarg0; | |
| 2015 | |
|
4873
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2016 Label hit; |
| 0 | 2017 Label exception_pending; |
| 2018 | |
|
848
fe95187e8882
6859338: amd64 native unverified entry point pushes values before implicit null check
never
parents:
682
diff
changeset
|
2019 assert_different_registers(ic_reg, receiver, rscratch1); |
| 0 | 2020 __ verify_oop(receiver); |
|
848
fe95187e8882
6859338: amd64 native unverified entry point pushes values before implicit null check
never
parents:
682
diff
changeset
|
2021 __ load_klass(rscratch1, receiver); |
|
fe95187e8882
6859338: amd64 native unverified entry point pushes values before implicit null check
never
parents:
682
diff
changeset
|
2022 __ cmpq(ic_reg, rscratch1); |
|
4873
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2023 __ jcc(Assembler::equal, hit); |
| 0 | 2024 |
| 2025 __ jump(RuntimeAddress(SharedRuntime::get_ic_miss_stub())); | |
| 2026 | |
| 2027 // Verified entry point must be aligned | |
| 2028 __ align(8); | |
| 2029 | |
|
4873
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2030 __ bind(hit); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2031 |
| 0 | 2032 int vep_offset = ((intptr_t)__ pc()) - start; |
| 2033 | |
| 2034 // The instruction at the verified entry point must be 5 bytes or longer | |
| 2035 // because it can be patched on the fly by make_non_entrant. The stack bang | |
| 2036 // instruction fits that requirement. | |
| 2037 | |
| 2038 // Generate stack overflow check | |
| 2039 | |
| 2040 if (UseStackBanging) { | |
| 2041 __ bang_stack_with_offset(StackShadowPages*os::vm_page_size()); | |
| 2042 } else { | |
| 2043 // need a 5 byte instruction to allow MT safe patching to non-entrant | |
| 2044 __ fat_nop(); | |
| 2045 } | |
| 2046 | |
| 2047 // Generate a new frame for the wrapper. | |
| 2048 __ enter(); | |
| 2049 // -2 because return address is already present and so is saved rbp | |
| 304 | 2050 __ subptr(rsp, stack_size - 2*wordSize); |
| 0 | 2051 |
|
4873
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2052 // Frame is now completed as far as size and linkage. |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2053 int frame_complete = ((intptr_t)__ pc()) - start; |
| 0 | 2054 |
| 17780 | 2055 if (UseRTMLocking) { |
| 2056 // Abort RTM transaction before calling JNI | |
| 2057 // because critical section will be large and will be | |
| 2058 // aborted anyway. Also nmethod could be deoptimized. | |
| 2059 __ xabort(0); | |
| 2060 } | |
| 2061 | |
| 0 | 2062 #ifdef ASSERT |
| 2063 { | |
| 2064 Label L; | |
| 304 | 2065 __ mov(rax, rsp); |
| 605 | 2066 __ andptr(rax, -16); // must be 16 byte boundary (see amd64 ABI) |
| 304 | 2067 __ cmpptr(rax, rsp); |
| 0 | 2068 __ jcc(Assembler::equal, L); |
| 2069 __ stop("improperly aligned stack"); | |
| 2070 __ bind(L); | |
| 2071 } | |
| 2072 #endif /* ASSERT */ | |
| 2073 | |
| 2074 | |
| 2075 // We use r14 as the oop handle for the receiver/klass | |
| 2076 // It is callee save so it survives the call to native | |
| 2077 | |
| 2078 const Register oop_handle_reg = r14; | |
| 2079 | |
|
4873
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2080 if (is_critical_native) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2081 check_needs_gc_for_critical_native(masm, stack_slots, total_c_args, total_in_args, |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2082 oop_handle_offset, oop_maps, in_regs, in_sig_bt); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2083 } |
| 0 | 2084 |
| 2085 // | |
| 2086 // We immediately shuffle the arguments so that any vm call we have to | |
| 2087 // make from here on out (sync slow path, jvmti, etc.) we will have | |
| 2088 // captured the oops from our caller and have a valid oopMap for | |
| 2089 // them. | |
| 2090 | |
| 2091 // ----------------- | |
| 2092 // The Grand Shuffle | |
| 2093 | |
| 2094 // The Java calling convention is either equal (linux) or denser (win64) than the | |
| 2095 // c calling convention. However the because of the jni_env argument the c calling | |
| 2096 // convention always has at least one more (and two for static) arguments than Java. | |
| 2097 // Therefore if we move the args from java -> c backwards then we will never have | |
| 2098 // a register->register conflict and we don't have to build a dependency graph | |
| 2099 // and figure out how to break any cycles. | |
| 2100 // | |
| 2101 | |
| 2102 // Record esp-based slot for receiver on stack for non-static methods | |
| 2103 int receiver_offset = -1; | |
| 2104 | |
| 2105 // This is a trick. We double the stack slots so we can claim | |
| 2106 // the oops in the caller's frame. Since we are sure to have | |
| 2107 // more args than the caller doubling is enough to make | |
| 2108 // sure we can capture all the incoming oop args from the | |
| 2109 // caller. | |
| 2110 // | |
| 2111 OopMap* map = new OopMap(stack_slots * 2, 0 /* arg_slots*/); | |
| 2112 | |
| 2113 // Mark location of rbp (someday) | |
| 2114 // map->set_callee_saved(VMRegImpl::stack2reg( stack_slots - 2), stack_slots * 2, 0, vmreg(rbp)); | |
| 2115 | |
| 2116 // Use eax, ebx as temporaries during any memory-memory moves we have to do | |
| 2117 // All inbound args are referenced based on rbp and all outbound args via rsp. | |
| 2118 | |
| 2119 | |
| 2120 #ifdef ASSERT | |
| 2121 bool reg_destroyed[RegisterImpl::number_of_registers]; | |
| 2122 bool freg_destroyed[XMMRegisterImpl::number_of_registers]; | |
| 2123 for ( int r = 0 ; r < RegisterImpl::number_of_registers ; r++ ) { | |
| 2124 reg_destroyed[r] = false; | |
| 2125 } | |
| 2126 for ( int f = 0 ; f < XMMRegisterImpl::number_of_registers ; f++ ) { | |
| 2127 freg_destroyed[f] = false; | |
| 2128 } | |
| 2129 | |
| 2130 #endif /* ASSERT */ | |
| 2131 | |
|
4873
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2132 // This may iterate in two different directions depending on the |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2133 // kind of native it is. The reason is that for regular JNI natives |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2134 // the incoming and outgoing registers are offset upwards and for |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2135 // critical natives they are offset down. |
| 5905 | 2136 GrowableArray<int> arg_order(2 * total_in_args); |
| 2137 VMRegPair tmp_vmreg; | |
| 2138 tmp_vmreg.set1(rbx->as_VMReg()); | |
| 2139 | |
| 2140 if (!is_critical_native) { | |
| 2141 for (int i = total_in_args - 1, c_arg = total_c_args - 1; i >= 0; i--, c_arg--) { | |
| 2142 arg_order.push(i); | |
| 2143 arg_order.push(c_arg); | |
| 2144 } | |
| 2145 } else { | |
| 2146 // Compute a valid move order, using tmp_vmreg to break any cycles | |
| 2147 ComputeMoveOrder cmo(total_in_args, in_regs, total_c_args, out_regs, in_sig_bt, arg_order, tmp_vmreg); | |
|
4873
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2148 } |
| 5905 | 2149 |
| 2150 int temploc = -1; | |
| 2151 for (int ai = 0; ai < arg_order.length(); ai += 2) { | |
| 2152 int i = arg_order.at(ai); | |
| 2153 int c_arg = arg_order.at(ai + 1); | |
| 2154 __ block_comment(err_msg("move %d -> %d", i, c_arg)); | |
| 2155 if (c_arg == -1) { | |
| 2156 assert(is_critical_native, "should only be required for critical natives"); | |
| 2157 // This arg needs to be moved to a temporary | |
| 2158 __ mov(tmp_vmreg.first()->as_Register(), in_regs[i].first()->as_Register()); | |
| 2159 in_regs[i] = tmp_vmreg; | |
| 2160 temploc = i; | |
| 2161 continue; | |
| 2162 } else if (i == -1) { | |
| 2163 assert(is_critical_native, "should only be required for critical natives"); | |
| 2164 // Read from the temporary location | |
| 2165 assert(temploc != -1, "must be valid"); | |
| 2166 i = temploc; | |
| 2167 temploc = -1; | |
| 2168 } | |
| 0 | 2169 #ifdef ASSERT |
| 2170 if (in_regs[i].first()->is_Register()) { | |
| 2171 assert(!reg_destroyed[in_regs[i].first()->as_Register()->encoding()], "destroyed reg!"); | |
| 2172 } else if (in_regs[i].first()->is_XMMRegister()) { | |
| 2173 assert(!freg_destroyed[in_regs[i].first()->as_XMMRegister()->encoding()], "destroyed reg!"); | |
| 2174 } | |
| 2175 if (out_regs[c_arg].first()->is_Register()) { | |
| 2176 reg_destroyed[out_regs[c_arg].first()->as_Register()->encoding()] = true; | |
| 2177 } else if (out_regs[c_arg].first()->is_XMMRegister()) { | |
| 2178 freg_destroyed[out_regs[c_arg].first()->as_XMMRegister()->encoding()] = true; | |
| 2179 } | |
| 2180 #endif /* ASSERT */ | |
| 2181 switch (in_sig_bt[i]) { | |
| 2182 case T_ARRAY: | |
|
4873
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2183 if (is_critical_native) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2184 unpack_array_argument(masm, in_regs[i], in_elem_bt[i], out_regs[c_arg + 1], out_regs[c_arg]); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2185 c_arg++; |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2186 #ifdef ASSERT |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2187 if (out_regs[c_arg].first()->is_Register()) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2188 reg_destroyed[out_regs[c_arg].first()->as_Register()->encoding()] = true; |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2189 } else if (out_regs[c_arg].first()->is_XMMRegister()) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2190 freg_destroyed[out_regs[c_arg].first()->as_XMMRegister()->encoding()] = true; |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2191 } |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2192 #endif |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2193 break; |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2194 } |
| 0 | 2195 case T_OBJECT: |
|
4873
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2196 assert(!is_critical_native, "no oop arguments"); |
| 0 | 2197 object_move(masm, map, oop_handle_offset, stack_slots, in_regs[i], out_regs[c_arg], |
| 2198 ((i == 0) && (!is_static)), | |
| 2199 &receiver_offset); | |
| 2200 break; | |
| 2201 case T_VOID: | |
| 2202 break; | |
| 2203 | |
| 2204 case T_FLOAT: | |
| 2205 float_move(masm, in_regs[i], out_regs[c_arg]); | |
| 2206 break; | |
| 2207 | |
| 2208 case T_DOUBLE: | |
| 2209 assert( i + 1 < total_in_args && | |
| 2210 in_sig_bt[i + 1] == T_VOID && | |
| 2211 out_sig_bt[c_arg+1] == T_VOID, "bad arg list"); | |
| 2212 double_move(masm, in_regs[i], out_regs[c_arg]); | |
| 2213 break; | |
| 2214 | |
| 2215 case T_LONG : | |
| 2216 long_move(masm, in_regs[i], out_regs[c_arg]); | |
| 2217 break; | |
| 2218 | |
| 2219 case T_ADDRESS: assert(false, "found T_ADDRESS in java args"); | |
| 2220 | |
| 2221 default: | |
| 2222 move32_64(masm, in_regs[i], out_regs[c_arg]); | |
| 2223 } | |
| 2224 } | |
| 2225 | |
|
10998
e7f5651d459c
8003268: SharedRuntime::generate_native_wrapper doesn't save all registers across runtime tracing calls for JNI critical native methods
twisti
parents:
8873
diff
changeset
|
2226 int c_arg; |
| 0 | 2227 |
| 2228 // Pre-load a static method's oop into r14. Used both by locking code and | |
| 2229 // the normal JNI call code. | |
|
10998
e7f5651d459c
8003268: SharedRuntime::generate_native_wrapper doesn't save all registers across runtime tracing calls for JNI critical native methods
twisti
parents:
8873
diff
changeset
|
2230 if (!is_critical_native) { |
|
e7f5651d459c
8003268: SharedRuntime::generate_native_wrapper doesn't save all registers across runtime tracing calls for JNI critical native methods
twisti
parents:
8873
diff
changeset
|
2231 // point c_arg at the first arg that is already loaded in case we |
|
e7f5651d459c
8003268: SharedRuntime::generate_native_wrapper doesn't save all registers across runtime tracing calls for JNI critical native methods
twisti
parents:
8873
diff
changeset
|
2232 // need to spill before we call out |
|
e7f5651d459c
8003268: SharedRuntime::generate_native_wrapper doesn't save all registers across runtime tracing calls for JNI critical native methods
twisti
parents:
8873
diff
changeset
|
2233 c_arg = total_c_args - total_in_args; |
|
e7f5651d459c
8003268: SharedRuntime::generate_native_wrapper doesn't save all registers across runtime tracing calls for JNI critical native methods
twisti
parents:
8873
diff
changeset
|
2234 |
|
e7f5651d459c
8003268: SharedRuntime::generate_native_wrapper doesn't save all registers across runtime tracing calls for JNI critical native methods
twisti
parents:
8873
diff
changeset
|
2235 if (method->is_static()) { |
|
e7f5651d459c
8003268: SharedRuntime::generate_native_wrapper doesn't save all registers across runtime tracing calls for JNI critical native methods
twisti
parents:
8873
diff
changeset
|
2236 |
|
e7f5651d459c
8003268: SharedRuntime::generate_native_wrapper doesn't save all registers across runtime tracing calls for JNI critical native methods
twisti
parents:
8873
diff
changeset
|
2237 // load oop into a register |
|
e7f5651d459c
8003268: SharedRuntime::generate_native_wrapper doesn't save all registers across runtime tracing calls for JNI critical native methods
twisti
parents:
8873
diff
changeset
|
2238 __ movoop(oop_handle_reg, JNIHandles::make_local(method->method_holder()->java_mirror())); |
|
e7f5651d459c
8003268: SharedRuntime::generate_native_wrapper doesn't save all registers across runtime tracing calls for JNI critical native methods
twisti
parents:
8873
diff
changeset
|
2239 |
|
e7f5651d459c
8003268: SharedRuntime::generate_native_wrapper doesn't save all registers across runtime tracing calls for JNI critical native methods
twisti
parents:
8873
diff
changeset
|
2240 // Now handlize the static class mirror it's known not-null. |
|
e7f5651d459c
8003268: SharedRuntime::generate_native_wrapper doesn't save all registers across runtime tracing calls for JNI critical native methods
twisti
parents:
8873
diff
changeset
|
2241 __ movptr(Address(rsp, klass_offset), oop_handle_reg); |
|
e7f5651d459c
8003268: SharedRuntime::generate_native_wrapper doesn't save all registers across runtime tracing calls for JNI critical native methods
twisti
parents:
8873
diff
changeset
|
2242 map->set_oop(VMRegImpl::stack2reg(klass_slot_offset)); |
|
e7f5651d459c
8003268: SharedRuntime::generate_native_wrapper doesn't save all registers across runtime tracing calls for JNI critical native methods
twisti
parents:
8873
diff
changeset
|
2243 |
|
e7f5651d459c
8003268: SharedRuntime::generate_native_wrapper doesn't save all registers across runtime tracing calls for JNI critical native methods
twisti
parents:
8873
diff
changeset
|
2244 // Now get the handle |
|
e7f5651d459c
8003268: SharedRuntime::generate_native_wrapper doesn't save all registers across runtime tracing calls for JNI critical native methods
twisti
parents:
8873
diff
changeset
|
2245 __ lea(oop_handle_reg, Address(rsp, klass_offset)); |
|
e7f5651d459c
8003268: SharedRuntime::generate_native_wrapper doesn't save all registers across runtime tracing calls for JNI critical native methods
twisti
parents:
8873
diff
changeset
|
2246 // store the klass handle as second argument |
|
e7f5651d459c
8003268: SharedRuntime::generate_native_wrapper doesn't save all registers across runtime tracing calls for JNI critical native methods
twisti
parents:
8873
diff
changeset
|
2247 __ movptr(c_rarg1, oop_handle_reg); |
|
e7f5651d459c
8003268: SharedRuntime::generate_native_wrapper doesn't save all registers across runtime tracing calls for JNI critical native methods
twisti
parents:
8873
diff
changeset
|
2248 // and protect the arg if we must spill |
|
e7f5651d459c
8003268: SharedRuntime::generate_native_wrapper doesn't save all registers across runtime tracing calls for JNI critical native methods
twisti
parents:
8873
diff
changeset
|
2249 c_arg--; |
|
e7f5651d459c
8003268: SharedRuntime::generate_native_wrapper doesn't save all registers across runtime tracing calls for JNI critical native methods
twisti
parents:
8873
diff
changeset
|
2250 } |
|
e7f5651d459c
8003268: SharedRuntime::generate_native_wrapper doesn't save all registers across runtime tracing calls for JNI critical native methods
twisti
parents:
8873
diff
changeset
|
2251 } else { |
|
e7f5651d459c
8003268: SharedRuntime::generate_native_wrapper doesn't save all registers across runtime tracing calls for JNI critical native methods
twisti
parents:
8873
diff
changeset
|
2252 // For JNI critical methods we need to save all registers in save_args. |
|
e7f5651d459c
8003268: SharedRuntime::generate_native_wrapper doesn't save all registers across runtime tracing calls for JNI critical native methods
twisti
parents:
8873
diff
changeset
|
2253 c_arg = 0; |
| 0 | 2254 } |
| 2255 | |
| 2256 // Change state to native (we save the return address in the thread, since it might not | |
| 2257 // be pushed on the stack when we do a a stack traversal). It is enough that the pc() | |
| 2258 // points into the right code segment. It does not have to be the correct return pc. | |
| 2259 // We use the same pc/oopMap repeatedly when we call out | |
| 2260 | |
| 2261 intptr_t the_pc = (intptr_t) __ pc(); | |
| 2262 oop_maps->add_gc_map(the_pc - start, map); | |
| 2263 | |
| 2264 __ set_last_Java_frame(rsp, noreg, (address)the_pc); | |
| 2265 | |
| 2266 | |
| 2267 // We have all of the arguments setup at this point. We must not touch any register | |
| 2268 // argument registers at this point (what if we save/restore them there are no oop? | |
| 2269 | |
| 2270 { | |
| 2271 SkipIfEqual skip(masm, &DTraceMethodProbes, false); | |
| 2272 // protect the args we've loaded | |
| 2273 save_args(masm, total_c_args, c_arg, out_regs); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2274 __ mov_metadata(c_rarg1, method()); |
| 0 | 2275 __ call_VM_leaf( |
| 2276 CAST_FROM_FN_PTR(address, SharedRuntime::dtrace_method_entry), | |
| 2277 r15_thread, c_rarg1); | |
| 2278 restore_args(masm, total_c_args, c_arg, out_regs); | |
| 2279 } | |
| 2280 | |
|
610
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
304
diff
changeset
|
2281 // RedefineClasses() tracing support for obsolete method entry |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
304
diff
changeset
|
2282 if (RC_TRACE_IN_RANGE(0x00001000, 0x00002000)) { |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
304
diff
changeset
|
2283 // protect the args we've loaded |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
304
diff
changeset
|
2284 save_args(masm, total_c_args, c_arg, out_regs); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2285 __ mov_metadata(c_rarg1, method()); |
|
610
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
304
diff
changeset
|
2286 __ call_VM_leaf( |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
304
diff
changeset
|
2287 CAST_FROM_FN_PTR(address, SharedRuntime::rc_trace_method_entry), |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
304
diff
changeset
|
2288 r15_thread, c_rarg1); |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
304
diff
changeset
|
2289 restore_args(masm, total_c_args, c_arg, out_regs); |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
304
diff
changeset
|
2290 } |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
304
diff
changeset
|
2291 |
| 0 | 2292 // Lock a synchronized method |
| 2293 | |
| 2294 // Register definitions used by locking and unlocking | |
| 2295 | |
| 2296 const Register swap_reg = rax; // Must use rax for cmpxchg instruction | |
| 2297 const Register obj_reg = rbx; // Will contain the oop | |
| 2298 const Register lock_reg = r13; // Address of compiler lock object (BasicLock) | |
| 2299 const Register old_hdr = r13; // value of old header at unlock time | |
| 2300 | |
| 2301 Label slow_path_lock; | |
| 2302 Label lock_done; | |
| 2303 | |
| 2304 if (method->is_synchronized()) { | |
|
4873
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2305 assert(!is_critical_native, "unhandled"); |
| 0 | 2306 |
| 2307 | |
| 2308 const int mark_word_offset = BasicLock::displaced_header_offset_in_bytes(); | |
| 2309 | |
| 2310 // Get the handle (the 2nd argument) | |
| 304 | 2311 __ mov(oop_handle_reg, c_rarg1); |
| 0 | 2312 |
| 2313 // Get address of the box | |
| 2314 | |
| 304 | 2315 __ lea(lock_reg, Address(rsp, lock_slot_offset * VMRegImpl::stack_slot_size)); |
| 0 | 2316 |
| 2317 // Load the oop from the handle | |
| 304 | 2318 __ movptr(obj_reg, Address(oop_handle_reg, 0)); |
| 0 | 2319 |
| 2320 if (UseBiasedLocking) { | |
| 2321 __ biased_locking_enter(lock_reg, obj_reg, swap_reg, rscratch1, false, lock_done, &slow_path_lock); | |
| 2322 } | |
| 2323 | |
| 2324 // Load immediate 1 into swap_reg %rax | |
| 2325 __ movl(swap_reg, 1); | |
| 2326 | |
| 2327 // Load (object->mark() | 1) into swap_reg %rax | |
| 304 | 2328 __ orptr(swap_reg, Address(obj_reg, 0)); |
| 0 | 2329 |
| 2330 // Save (object->mark() | 1) into BasicLock's displaced header | |
| 304 | 2331 __ movptr(Address(lock_reg, mark_word_offset), swap_reg); |
| 0 | 2332 |
| 2333 if (os::is_MP()) { | |
| 2334 __ lock(); | |
| 2335 } | |
| 2336 | |
| 2337 // src -> dest iff dest == rax else rax <- dest | |
| 304 | 2338 __ cmpxchgptr(lock_reg, Address(obj_reg, 0)); |
| 0 | 2339 __ jcc(Assembler::equal, lock_done); |
| 2340 | |
| 2341 // Hmm should this move to the slow path code area??? | |
| 2342 | |
| 2343 // Test if the oopMark is an obvious stack pointer, i.e., | |
| 2344 // 1) (mark & 3) == 0, and | |
| 2345 // 2) rsp <= mark < mark + os::pagesize() | |
| 2346 // These 3 tests can be done by evaluating the following | |
| 2347 // expression: ((mark - rsp) & (3 - os::vm_page_size())), | |
| 2348 // assuming both stack pointer and pagesize have their | |
| 2349 // least significant 2 bits clear. | |
| 2350 // NOTE: the oopMark is in swap_reg %rax as the result of cmpxchg | |
| 2351 | |
| 304 | 2352 __ subptr(swap_reg, rsp); |
| 2353 __ andptr(swap_reg, 3 - os::vm_page_size()); | |
| 0 | 2354 |
| 2355 // Save the test result, for recursive case, the result is zero | |
| 304 | 2356 __ movptr(Address(lock_reg, mark_word_offset), swap_reg); |
| 0 | 2357 __ jcc(Assembler::notEqual, slow_path_lock); |
| 2358 | |
| 2359 // Slow path will re-enter here | |
| 2360 | |
| 2361 __ bind(lock_done); | |
| 2362 } | |
| 2363 | |
| 2364 | |
| 2365 // Finally just about ready to make the JNI call | |
| 2366 | |
| 2367 | |
| 2368 // get JNIEnv* which is first argument to native | |
|
4873
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2369 if (!is_critical_native) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2370 __ lea(c_rarg0, Address(r15_thread, in_bytes(JavaThread::jni_environment_offset()))); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2371 } |
| 0 | 2372 |
| 2373 // Now set thread in native | |
| 304 | 2374 __ movl(Address(r15_thread, JavaThread::thread_state_offset()), _thread_in_native); |
| 0 | 2375 |
|
4873
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2376 __ call(RuntimeAddress(native_func)); |
| 0 | 2377 |
|
8873
e961c11b85fe
8011102: Clear AVX registers after return from JNI call
kvn
parents:
7199
diff
changeset
|
2378 // Verify or restore cpu control state after JNI call |
|
e961c11b85fe
8011102: Clear AVX registers after return from JNI call
kvn
parents:
7199
diff
changeset
|
2379 __ restore_cpu_control_state_after_jni(); |
| 0 | 2380 |
| 2381 // Unpack native results. | |
| 2382 switch (ret_type) { | |
| 2383 case T_BOOLEAN: __ c2bool(rax); break; | |
| 2384 case T_CHAR : __ movzwl(rax, rax); break; | |
| 2385 case T_BYTE : __ sign_extend_byte (rax); break; | |
| 2386 case T_SHORT : __ sign_extend_short(rax); break; | |
| 2387 case T_INT : /* nothing to do */ break; | |
| 2388 case T_DOUBLE : | |
| 2389 case T_FLOAT : | |
| 2390 // Result is in xmm0 we'll save as needed | |
| 2391 break; | |
| 2392 case T_ARRAY: // Really a handle | |
| 2393 case T_OBJECT: // Really a handle | |
| 2394 break; // can't de-handlize until after safepoint check | |
| 2395 case T_VOID: break; | |
| 2396 case T_LONG: break; | |
| 2397 default : ShouldNotReachHere(); | |
| 2398 } | |
| 2399 | |
| 2400 // Switch thread to "native transition" state before reading the synchronization state. | |
| 2401 // This additional state is necessary because reading and testing the synchronization | |
| 2402 // state is not atomic w.r.t. GC, as this scenario demonstrates: | |
| 2403 // Java thread A, in _thread_in_native state, loads _not_synchronized and is preempted. | |
| 2404 // VM thread changes sync state to synchronizing and suspends threads for GC. | |
| 2405 // Thread A is resumed to finish this native method, but doesn't block here since it | |
| 2406 // didn't see any synchronization is progress, and escapes. | |
| 304 | 2407 __ movl(Address(r15_thread, JavaThread::thread_state_offset()), _thread_in_native_trans); |
| 0 | 2408 |
| 2409 if(os::is_MP()) { | |
| 2410 if (UseMembar) { | |
| 2411 // Force this write out before the read below | |
| 2412 __ membar(Assembler::Membar_mask_bits( | |
| 2413 Assembler::LoadLoad | Assembler::LoadStore | | |
| 2414 Assembler::StoreLoad | Assembler::StoreStore)); | |
| 2415 } else { | |
| 2416 // Write serialization page so VM thread can do a pseudo remote membar. | |
| 2417 // We use the current thread pointer to calculate a thread specific | |
| 2418 // offset to write to within the page. This minimizes bus traffic | |
| 2419 // due to cache line collision. | |
| 2420 __ serialize_memory(r15_thread, rcx); | |
| 2421 } | |
| 2422 } | |
| 2423 | |
|
4873
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2424 Label after_transition; |
| 0 | 2425 |
| 2426 // check for safepoint operation in progress and/or pending suspend requests | |
| 2427 { | |
| 2428 Label Continue; | |
| 2429 | |
| 2430 __ cmp32(ExternalAddress((address)SafepointSynchronize::address_of_state()), | |
| 2431 SafepointSynchronize::_not_synchronized); | |
| 2432 | |
| 2433 Label L; | |
| 2434 __ jcc(Assembler::notEqual, L); | |
| 2435 __ cmpl(Address(r15_thread, JavaThread::suspend_flags_offset()), 0); | |
| 2436 __ jcc(Assembler::equal, Continue); | |
| 2437 __ bind(L); | |
| 2438 | |
| 2439 // Don't use call_VM as it will see a possible pending exception and forward it | |
| 2440 // and never return here preventing us from clearing _last_native_pc down below. | |
| 2441 // Also can't use call_VM_leaf either as it will check to see if rsi & rdi are | |
| 2442 // preserved and correspond to the bcp/locals pointers. So we do a runtime call | |
| 2443 // by hand. | |
| 2444 // | |
| 2445 save_native_result(masm, ret_type, stack_slots); | |
| 304 | 2446 __ mov(c_rarg0, r15_thread); |
| 2447 __ mov(r12, rsp); // remember sp | |
| 2448 __ subptr(rsp, frame::arg_reg_save_area_bytes); // windows | |
| 2449 __ andptr(rsp, -16); // align stack as required by ABI | |
|
4873
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2450 if (!is_critical_native) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2451 __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, JavaThread::check_special_condition_for_native_trans))); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2452 } else { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2453 __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, JavaThread::check_special_condition_for_native_trans_and_transition))); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2454 } |
| 304 | 2455 __ mov(rsp, r12); // restore sp |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
2456 __ reinit_heapbase(); |
| 0 | 2457 // Restore any method result value |
| 2458 restore_native_result(masm, ret_type, stack_slots); | |
|
4873
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2459 |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2460 if (is_critical_native) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2461 // The call above performed the transition to thread_in_Java so |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2462 // skip the transition logic below. |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2463 __ jmpb(after_transition); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2464 } |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2465 |
| 0 | 2466 __ bind(Continue); |
| 2467 } | |
| 2468 | |
| 2469 // change thread state | |
| 2470 __ movl(Address(r15_thread, JavaThread::thread_state_offset()), _thread_in_Java); | |
|
4873
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2471 __ bind(after_transition); |
| 0 | 2472 |
| 2473 Label reguard; | |
| 2474 Label reguard_done; | |
| 2475 __ cmpl(Address(r15_thread, JavaThread::stack_guard_state_offset()), JavaThread::stack_guard_yellow_disabled); | |
| 2476 __ jcc(Assembler::equal, reguard); | |
| 2477 __ bind(reguard_done); | |
| 2478 | |
| 2479 // native result if any is live | |
| 2480 | |
| 2481 // Unlock | |
| 2482 Label unlock_done; | |
| 2483 Label slow_path_unlock; | |
| 2484 if (method->is_synchronized()) { | |
| 2485 | |
| 2486 // Get locked oop from the handle we passed to jni | |
| 304 | 2487 __ movptr(obj_reg, Address(oop_handle_reg, 0)); |
| 0 | 2488 |
| 2489 Label done; | |
| 2490 | |
| 2491 if (UseBiasedLocking) { | |
| 2492 __ biased_locking_exit(obj_reg, old_hdr, done); | |
| 2493 } | |
| 2494 | |
| 2495 // Simple recursive lock? | |
| 2496 | |
| 304 | 2497 __ cmpptr(Address(rsp, lock_slot_offset * VMRegImpl::stack_slot_size), (int32_t)NULL_WORD); |
| 0 | 2498 __ jcc(Assembler::equal, done); |
| 2499 | |
| 2500 // Must save rax if if it is live now because cmpxchg must use it | |
| 2501 if (ret_type != T_FLOAT && ret_type != T_DOUBLE && ret_type != T_VOID) { | |
| 2502 save_native_result(masm, ret_type, stack_slots); | |
| 2503 } | |
| 2504 | |
| 2505 | |
| 2506 // get address of the stack lock | |
| 304 | 2507 __ lea(rax, Address(rsp, lock_slot_offset * VMRegImpl::stack_slot_size)); |
| 0 | 2508 // get old displaced header |
| 304 | 2509 __ movptr(old_hdr, Address(rax, 0)); |
| 0 | 2510 |
| 2511 // Atomic swap old header if oop still contains the stack lock | |
| 2512 if (os::is_MP()) { | |
| 2513 __ lock(); | |
| 2514 } | |
| 304 | 2515 __ cmpxchgptr(old_hdr, Address(obj_reg, 0)); |
| 0 | 2516 __ jcc(Assembler::notEqual, slow_path_unlock); |
| 2517 | |
| 2518 // slow path re-enters here | |
| 2519 __ bind(unlock_done); | |
| 2520 if (ret_type != T_FLOAT && ret_type != T_DOUBLE && ret_type != T_VOID) { | |
| 2521 restore_native_result(masm, ret_type, stack_slots); | |
| 2522 } | |
| 2523 | |
| 2524 __ bind(done); | |
| 2525 | |
| 2526 } | |
| 2527 { | |
| 2528 SkipIfEqual skip(masm, &DTraceMethodProbes, false); | |
| 2529 save_native_result(masm, ret_type, stack_slots); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2530 __ mov_metadata(c_rarg1, method()); |
| 0 | 2531 __ call_VM_leaf( |
| 2532 CAST_FROM_FN_PTR(address, SharedRuntime::dtrace_method_exit), | |
| 2533 r15_thread, c_rarg1); | |
| 2534 restore_native_result(masm, ret_type, stack_slots); | |
| 2535 } | |
| 2536 | |
| 2537 __ reset_last_Java_frame(false, true); | |
| 2538 | |
| 2539 // Unpack oop result | |
| 2540 if (ret_type == T_OBJECT || ret_type == T_ARRAY) { | |
| 2541 Label L; | |
| 304 | 2542 __ testptr(rax, rax); |
| 0 | 2543 __ jcc(Assembler::zero, L); |
| 304 | 2544 __ movptr(rax, Address(rax, 0)); |
| 0 | 2545 __ bind(L); |
| 2546 __ verify_oop(rax); | |
| 2547 } | |
| 2548 | |
|
4873
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2549 if (!is_critical_native) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2550 // reset handle block |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2551 __ movptr(rcx, Address(r15_thread, JavaThread::active_handles_offset())); |
|
17850
2100bf712e2a
8039146: Fix 64-bit store to int JNIHandleBlock::_top
goetz
parents:
17810
diff
changeset
|
2552 __ movl(Address(rcx, JNIHandleBlock::top_offset_in_bytes()), (int32_t)NULL_WORD); |
|
4873
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2553 } |
| 0 | 2554 |
| 2555 // pop our frame | |
| 2556 | |
| 2557 __ leave(); | |
| 2558 | |
|
4873
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2559 if (!is_critical_native) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2560 // Any exception pending? |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2561 __ cmpptr(Address(r15_thread, in_bytes(Thread::pending_exception_offset())), (int32_t)NULL_WORD); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2562 __ jcc(Assembler::notEqual, exception_pending); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2563 } |
| 0 | 2564 |
| 2565 // Return | |
| 2566 | |
| 2567 __ ret(0); | |
| 2568 | |
| 2569 // Unexpected paths are out of line and go here | |
| 2570 | |
|
4873
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2571 if (!is_critical_native) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2572 // forward the exception |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2573 __ bind(exception_pending); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2574 |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2575 // and forward the exception |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2576 __ jump(RuntimeAddress(StubRoutines::forward_exception_entry())); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2577 } |
| 0 | 2578 |
| 2579 // Slow path locking & unlocking | |
| 2580 if (method->is_synchronized()) { | |
| 2581 | |
| 2582 // BEGIN Slow path lock | |
| 2583 __ bind(slow_path_lock); | |
| 2584 | |
| 2585 // has last_Java_frame setup. No exceptions so do vanilla call not call_VM | |
| 2586 // args are (oop obj, BasicLock* lock, JavaThread* thread) | |
| 2587 | |
| 2588 // protect the args we've loaded | |
| 2589 save_args(masm, total_c_args, c_arg, out_regs); | |
| 2590 | |
| 304 | 2591 __ mov(c_rarg0, obj_reg); |
| 2592 __ mov(c_rarg1, lock_reg); | |
| 2593 __ mov(c_rarg2, r15_thread); | |
| 0 | 2594 |
| 2595 // Not a leaf but we have last_Java_frame setup as we want | |
| 2596 __ call_VM_leaf(CAST_FROM_FN_PTR(address, SharedRuntime::complete_monitor_locking_C), 3); | |
| 2597 restore_args(masm, total_c_args, c_arg, out_regs); | |
| 2598 | |
| 2599 #ifdef ASSERT | |
| 2600 { Label L; | |
| 304 | 2601 __ cmpptr(Address(r15_thread, in_bytes(Thread::pending_exception_offset())), (int32_t)NULL_WORD); |
| 0 | 2602 __ jcc(Assembler::equal, L); |
| 2603 __ stop("no pending exception allowed on exit from monitorenter"); | |
| 2604 __ bind(L); | |
| 2605 } | |
| 2606 #endif | |
| 2607 __ jmp(lock_done); | |
| 2608 | |
| 2609 // END Slow path lock | |
| 2610 | |
| 2611 // BEGIN Slow path unlock | |
| 2612 __ bind(slow_path_unlock); | |
| 2613 | |
| 2614 // If we haven't already saved the native result we must save it now as xmm registers | |
| 2615 // are still exposed. | |
| 2616 | |
| 2617 if (ret_type == T_FLOAT || ret_type == T_DOUBLE ) { | |
| 2618 save_native_result(masm, ret_type, stack_slots); | |
| 2619 } | |
| 2620 | |
| 304 | 2621 __ lea(c_rarg1, Address(rsp, lock_slot_offset * VMRegImpl::stack_slot_size)); |
| 2622 | |
| 2623 __ mov(c_rarg0, obj_reg); | |
| 2624 __ mov(r12, rsp); // remember sp | |
| 2625 __ subptr(rsp, frame::arg_reg_save_area_bytes); // windows | |
| 2626 __ andptr(rsp, -16); // align stack as required by ABI | |
| 0 | 2627 |
| 2628 // Save pending exception around call to VM (which contains an EXCEPTION_MARK) | |
| 2629 // NOTE that obj_reg == rbx currently | |
| 304 | 2630 __ movptr(rbx, Address(r15_thread, in_bytes(Thread::pending_exception_offset()))); |
| 2631 __ movptr(Address(r15_thread, in_bytes(Thread::pending_exception_offset())), (int32_t)NULL_WORD); | |
| 0 | 2632 |
| 2633 __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, SharedRuntime::complete_monitor_unlocking_C))); | |
| 304 | 2634 __ mov(rsp, r12); // restore sp |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
2635 __ reinit_heapbase(); |
| 0 | 2636 #ifdef ASSERT |
| 2637 { | |
| 2638 Label L; | |
| 304 | 2639 __ cmpptr(Address(r15_thread, in_bytes(Thread::pending_exception_offset())), (int)NULL_WORD); |
| 0 | 2640 __ jcc(Assembler::equal, L); |
| 2641 __ stop("no pending exception allowed on exit complete_monitor_unlocking_C"); | |
| 2642 __ bind(L); | |
| 2643 } | |
| 2644 #endif /* ASSERT */ | |
| 2645 | |
| 304 | 2646 __ movptr(Address(r15_thread, in_bytes(Thread::pending_exception_offset())), rbx); |
| 0 | 2647 |
| 2648 if (ret_type == T_FLOAT || ret_type == T_DOUBLE ) { | |
| 2649 restore_native_result(masm, ret_type, stack_slots); | |
| 2650 } | |
| 2651 __ jmp(unlock_done); | |
| 2652 | |
| 2653 // END Slow path unlock | |
| 2654 | |
| 2655 } // synchronized | |
| 2656 | |
| 2657 // SLOW PATH Reguard the stack if needed | |
| 2658 | |
| 2659 __ bind(reguard); | |
| 2660 save_native_result(masm, ret_type, stack_slots); | |
| 304 | 2661 __ mov(r12, rsp); // remember sp |
| 2662 __ subptr(rsp, frame::arg_reg_save_area_bytes); // windows | |
| 2663 __ andptr(rsp, -16); // align stack as required by ABI | |
| 0 | 2664 __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, SharedRuntime::reguard_yellow_pages))); |
| 304 | 2665 __ mov(rsp, r12); // restore sp |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
2666 __ reinit_heapbase(); |
| 0 | 2667 restore_native_result(masm, ret_type, stack_slots); |
| 2668 // and continue | |
| 2669 __ jmp(reguard_done); | |
| 2670 | |
| 2671 | |
| 2672 | |
| 2673 __ flush(); | |
| 2674 | |
| 2675 nmethod *nm = nmethod::new_native_nmethod(method, | |
|
2405
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2245
diff
changeset
|
2676 compile_id, |
| 0 | 2677 masm->code(), |
| 2678 vep_offset, | |
| 2679 frame_complete, | |
| 2680 stack_slots / VMRegImpl::slots_per_word, | |
| 2681 (is_static ? in_ByteSize(klass_offset) : in_ByteSize(receiver_offset)), | |
| 2682 in_ByteSize(lock_slot_offset*VMRegImpl::stack_slot_size), | |
| 2683 oop_maps); | |
|
4873
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2684 |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2685 if (is_critical_native) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2686 nm->set_lazy_critical_native(true); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2687 } |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4057
diff
changeset
|
2688 |
| 0 | 2689 return nm; |
| 2690 | |
| 2691 } | |
| 2692 | |
|
116
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2693 #ifdef HAVE_DTRACE_H |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2694 // --------------------------------------------------------------------------- |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2695 // Generate a dtrace nmethod for a given signature. The method takes arguments |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2696 // in the Java compiled code convention, marshals them to the native |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2697 // abi and then leaves nops at the position you would expect to call a native |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2698 // function. When the probe is enabled the nops are replaced with a trap |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2699 // instruction that dtrace inserts and the trace will cause a notification |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2700 // to dtrace. |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2701 // |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2702 // The probes are only able to take primitive types and java/lang/String as |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2703 // arguments. No other java types are allowed. Strings are converted to utf8 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2704 // strings so that from dtrace point of view java strings are converted to C |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2705 // strings. There is an arbitrary fixed limit on the total space that a method |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2706 // can use for converting the strings. (256 chars per string in the signature). |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2707 // So any java string larger then this is truncated. |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2708 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2709 static int fp_offset[ConcreteRegisterImpl::number_of_registers] = { 0 }; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2710 static bool offsets_initialized = false; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2711 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2712 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2713 nmethod *SharedRuntime::generate_dtrace_nmethod(MacroAssembler *masm, |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2714 methodHandle method) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2715 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2716 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2717 // generate_dtrace_nmethod is guarded by a mutex so we are sure to |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2718 // be single threaded in this method. |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2719 assert(AdapterHandlerLibrary_lock->owned_by_self(), "must be"); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2720 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2721 if (!offsets_initialized) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2722 fp_offset[c_rarg0->as_VMReg()->value()] = -1 * wordSize; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2723 fp_offset[c_rarg1->as_VMReg()->value()] = -2 * wordSize; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2724 fp_offset[c_rarg2->as_VMReg()->value()] = -3 * wordSize; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2725 fp_offset[c_rarg3->as_VMReg()->value()] = -4 * wordSize; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2726 fp_offset[c_rarg4->as_VMReg()->value()] = -5 * wordSize; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2727 fp_offset[c_rarg5->as_VMReg()->value()] = -6 * wordSize; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2728 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2729 fp_offset[c_farg0->as_VMReg()->value()] = -7 * wordSize; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2730 fp_offset[c_farg1->as_VMReg()->value()] = -8 * wordSize; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2731 fp_offset[c_farg2->as_VMReg()->value()] = -9 * wordSize; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2732 fp_offset[c_farg3->as_VMReg()->value()] = -10 * wordSize; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2733 fp_offset[c_farg4->as_VMReg()->value()] = -11 * wordSize; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2734 fp_offset[c_farg5->as_VMReg()->value()] = -12 * wordSize; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2735 fp_offset[c_farg6->as_VMReg()->value()] = -13 * wordSize; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2736 fp_offset[c_farg7->as_VMReg()->value()] = -14 * wordSize; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2737 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2738 offsets_initialized = true; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2739 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2740 // Fill in the signature array, for the calling-convention call. |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2741 int total_args_passed = method->size_of_parameters(); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2742 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2743 BasicType* in_sig_bt = NEW_RESOURCE_ARRAY(BasicType, total_args_passed); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2744 VMRegPair *in_regs = NEW_RESOURCE_ARRAY(VMRegPair, total_args_passed); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2745 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2746 // The signature we are going to use for the trap that dtrace will see |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2747 // java/lang/String is converted. We drop "this" and any other object |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2748 // is converted to NULL. (A one-slot java/lang/Long object reference |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2749 // is converted to a two-slot long, which is why we double the allocation). |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2750 BasicType* out_sig_bt = NEW_RESOURCE_ARRAY(BasicType, total_args_passed * 2); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2751 VMRegPair* out_regs = NEW_RESOURCE_ARRAY(VMRegPair, total_args_passed * 2); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2752 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2753 int i=0; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2754 int total_strings = 0; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2755 int first_arg_to_pass = 0; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2756 int total_c_args = 0; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2757 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2758 // Skip the receiver as dtrace doesn't want to see it |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2759 if( !method->is_static() ) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2760 in_sig_bt[i++] = T_OBJECT; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2761 first_arg_to_pass = 1; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2762 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2763 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2764 // We need to convert the java args to where a native (non-jni) function |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2765 // would expect them. To figure out where they go we convert the java |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2766 // signature to a C signature. |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2767 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2768 SignatureStream ss(method->signature()); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2769 for ( ; !ss.at_return_type(); ss.next()) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2770 BasicType bt = ss.type(); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2771 in_sig_bt[i++] = bt; // Collect remaining bits of signature |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2772 out_sig_bt[total_c_args++] = bt; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2773 if( bt == T_OBJECT) { |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
2774 Symbol* s = ss.as_symbol_or_null(); // symbol is created |
|
116
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2775 if (s == vmSymbols::java_lang_String()) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2776 total_strings++; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2777 out_sig_bt[total_c_args-1] = T_ADDRESS; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2778 } else if (s == vmSymbols::java_lang_Boolean() || |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2779 s == vmSymbols::java_lang_Character() || |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2780 s == vmSymbols::java_lang_Byte() || |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2781 s == vmSymbols::java_lang_Short() || |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2782 s == vmSymbols::java_lang_Integer() || |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2783 s == vmSymbols::java_lang_Float()) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2784 out_sig_bt[total_c_args-1] = T_INT; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2785 } else if (s == vmSymbols::java_lang_Long() || |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2786 s == vmSymbols::java_lang_Double()) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2787 out_sig_bt[total_c_args-1] = T_LONG; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2788 out_sig_bt[total_c_args++] = T_VOID; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2789 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2790 } else if ( bt == T_LONG || bt == T_DOUBLE ) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2791 in_sig_bt[i++] = T_VOID; // Longs & doubles take 2 Java slots |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2792 // We convert double to long |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2793 out_sig_bt[total_c_args-1] = T_LONG; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2794 out_sig_bt[total_c_args++] = T_VOID; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2795 } else if ( bt == T_FLOAT) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2796 // We convert float to int |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2797 out_sig_bt[total_c_args-1] = T_INT; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2798 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2799 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2800 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2801 assert(i==total_args_passed, "validly parsed signature"); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2802 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2803 // Now get the compiled-Java layout as input arguments |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2804 int comp_args_on_stack; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2805 comp_args_on_stack = SharedRuntime::java_calling_convention( |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2806 in_sig_bt, in_regs, total_args_passed, false); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2807 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2808 // Now figure out where the args must be stored and how much stack space |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2809 // they require (neglecting out_preserve_stack_slots but space for storing |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2810 // the 1st six register arguments). It's weird see int_stk_helper. |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2811 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2812 int out_arg_slots; |
|
14416
6a936747b569
8024344: PPC64 (part 112): C argument in register AND stack slot.
goetz
parents:
10998
diff
changeset
|
2813 out_arg_slots = c_calling_convention(out_sig_bt, out_regs, NULL, total_c_args); |
|
116
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2814 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2815 // Calculate the total number of stack slots we will need. |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2816 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2817 // First count the abi requirement plus all of the outgoing args |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2818 int stack_slots = SharedRuntime::out_preserve_stack_slots() + out_arg_slots; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2819 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2820 // Now space for the string(s) we must convert |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2821 int* string_locs = NEW_RESOURCE_ARRAY(int, total_strings + 1); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2822 for (i = 0; i < total_strings ; i++) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2823 string_locs[i] = stack_slots; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2824 stack_slots += max_dtrace_string_size / VMRegImpl::stack_slot_size; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2825 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2826 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2827 // Plus the temps we might need to juggle register args |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2828 // regs take two slots each |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2829 stack_slots += (Argument::n_int_register_parameters_c + |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2830 Argument::n_float_register_parameters_c) * 2; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2831 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2832 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2833 // + 4 for return address (which we own) and saved rbp, |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2834 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2835 stack_slots += 4; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2836 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2837 // Ok The space we have allocated will look like: |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2838 // |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2839 // |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2840 // FP-> | | |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2841 // |---------------------| |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2842 // | string[n] | |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2843 // |---------------------| <- string_locs[n] |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2844 // | string[n-1] | |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2845 // |---------------------| <- string_locs[n-1] |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2846 // | ... | |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2847 // | ... | |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2848 // |---------------------| <- string_locs[1] |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2849 // | string[0] | |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2850 // |---------------------| <- string_locs[0] |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2851 // | outbound memory | |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2852 // | based arguments | |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2853 // | | |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2854 // |---------------------| |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2855 // | | |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2856 // SP-> | out_preserved_slots | |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2857 // |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2858 // |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2859 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2860 // Now compute actual number of stack words we need rounding to make |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2861 // stack properly aligned. |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2862 stack_slots = round_to(stack_slots, 4 * VMRegImpl::slots_per_word); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2863 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2864 int stack_size = stack_slots * VMRegImpl::stack_slot_size; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2865 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2866 intptr_t start = (intptr_t)__ pc(); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2867 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2868 // First thing make an ic check to see if we should even be here |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2869 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2870 // We are free to use all registers as temps without saving them and |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2871 // restoring them except rbp. rbp, is the only callee save register |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2872 // as far as the interpreter and the compiler(s) are concerned. |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2873 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2874 const Register ic_reg = rax; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2875 const Register receiver = rcx; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2876 Label hit; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2877 Label exception_pending; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2878 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2879 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2880 __ verify_oop(receiver); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2881 __ cmpl(ic_reg, Address(receiver, oopDesc::klass_offset_in_bytes())); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2882 __ jcc(Assembler::equal, hit); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2883 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2884 __ jump(RuntimeAddress(SharedRuntime::get_ic_miss_stub())); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2885 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2886 // verified entry must be aligned for code patching. |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2887 // and the first 5 bytes must be in the same cache line |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2888 // if we align at 8 then we will be sure 5 bytes are in the same line |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2889 __ align(8); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2890 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2891 __ bind(hit); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2892 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2893 int vep_offset = ((intptr_t)__ pc()) - start; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2894 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2895 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2896 // The instruction at the verified entry point must be 5 bytes or longer |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2897 // because it can be patched on the fly by make_non_entrant. The stack bang |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2898 // instruction fits that requirement. |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2899 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2900 // Generate stack overflow check |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2901 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2902 if (UseStackBanging) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2903 if (stack_size <= StackShadowPages*os::vm_page_size()) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2904 __ bang_stack_with_offset(StackShadowPages*os::vm_page_size()); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2905 } else { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2906 __ movl(rax, stack_size); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2907 __ bang_stack_size(rax, rbx); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2908 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2909 } else { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2910 // need a 5 byte instruction to allow MT safe patching to non-entrant |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2911 __ fat_nop(); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2912 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2913 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2914 assert(((uintptr_t)__ pc() - start - vep_offset) >= 5, |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2915 "valid size for make_non_entrant"); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2916 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2917 // Generate a new frame for the wrapper. |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2918 __ enter(); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2919 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2920 // -4 because return address is already present and so is saved rbp, |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2921 if (stack_size - 2*wordSize != 0) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2922 __ subq(rsp, stack_size - 2*wordSize); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2923 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2924 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2925 // Frame is now completed as far a size and linkage. |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2926 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2927 int frame_complete = ((intptr_t)__ pc()) - start; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2928 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2929 int c_arg, j_arg; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2930 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2931 // State of input register args |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2932 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2933 bool live[ConcreteRegisterImpl::number_of_registers]; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2934 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2935 live[j_rarg0->as_VMReg()->value()] = false; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2936 live[j_rarg1->as_VMReg()->value()] = false; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2937 live[j_rarg2->as_VMReg()->value()] = false; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2938 live[j_rarg3->as_VMReg()->value()] = false; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2939 live[j_rarg4->as_VMReg()->value()] = false; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2940 live[j_rarg5->as_VMReg()->value()] = false; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2941 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2942 live[j_farg0->as_VMReg()->value()] = false; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2943 live[j_farg1->as_VMReg()->value()] = false; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2944 live[j_farg2->as_VMReg()->value()] = false; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2945 live[j_farg3->as_VMReg()->value()] = false; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2946 live[j_farg4->as_VMReg()->value()] = false; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2947 live[j_farg5->as_VMReg()->value()] = false; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2948 live[j_farg6->as_VMReg()->value()] = false; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2949 live[j_farg7->as_VMReg()->value()] = false; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2950 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2951 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2952 bool rax_is_zero = false; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2953 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2954 // All args (except strings) destined for the stack are moved first |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2955 for (j_arg = first_arg_to_pass, c_arg = 0 ; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2956 j_arg < total_args_passed ; j_arg++, c_arg++ ) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2957 VMRegPair src = in_regs[j_arg]; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2958 VMRegPair dst = out_regs[c_arg]; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2959 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2960 // Get the real reg value or a dummy (rsp) |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2961 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2962 int src_reg = src.first()->is_reg() ? |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2963 src.first()->value() : |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2964 rsp->as_VMReg()->value(); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2965 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2966 bool useless = in_sig_bt[j_arg] == T_ARRAY || |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2967 (in_sig_bt[j_arg] == T_OBJECT && |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2968 out_sig_bt[c_arg] != T_INT && |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2969 out_sig_bt[c_arg] != T_ADDRESS && |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2970 out_sig_bt[c_arg] != T_LONG); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2971 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2972 live[src_reg] = !useless; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2973 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2974 if (dst.first()->is_stack()) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2975 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2976 // Even though a string arg in a register is still live after this loop |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2977 // after the string conversion loop (next) it will be dead so we take |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2978 // advantage of that now for simpler code to manage live. |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2979 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2980 live[src_reg] = false; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2981 switch (in_sig_bt[j_arg]) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2982 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2983 case T_ARRAY: |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2984 case T_OBJECT: |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2985 { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2986 Address stack_dst(rsp, reg2offset_out(dst.first())); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2987 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2988 if (out_sig_bt[c_arg] == T_INT || out_sig_bt[c_arg] == T_LONG) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2989 // need to unbox a one-word value |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2990 Register in_reg = rax; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2991 if ( src.first()->is_reg() ) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2992 in_reg = src.first()->as_Register(); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2993 } else { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2994 __ movq(rax, Address(rbp, reg2offset_in(src.first()))); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2995 rax_is_zero = false; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2996 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2997 Label skipUnbox; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2998 __ movptr(Address(rsp, reg2offset_out(dst.first())), |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
2999 (int32_t)NULL_WORD); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3000 __ testq(in_reg, in_reg); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3001 __ jcc(Assembler::zero, skipUnbox); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3002 |
|
165
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
116
diff
changeset
|
3003 BasicType bt = out_sig_bt[c_arg]; |
|
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
116
diff
changeset
|
3004 int box_offset = java_lang_boxing_object::value_offset_in_bytes(bt); |
|
116
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3005 Address src1(in_reg, box_offset); |
|
165
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
116
diff
changeset
|
3006 if ( bt == T_LONG ) { |
|
116
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3007 __ movq(in_reg, src1); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3008 __ movq(stack_dst, in_reg); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3009 assert(out_sig_bt[c_arg+1] == T_VOID, "must be"); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3010 ++c_arg; // skip over T_VOID to keep the loop indices in sync |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3011 } else { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3012 __ movl(in_reg, src1); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3013 __ movl(stack_dst, in_reg); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3014 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3015 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3016 __ bind(skipUnbox); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3017 } else if (out_sig_bt[c_arg] != T_ADDRESS) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3018 // Convert the arg to NULL |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3019 if (!rax_is_zero) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3020 __ xorq(rax, rax); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3021 rax_is_zero = true; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3022 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3023 __ movq(stack_dst, rax); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3024 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3025 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3026 break; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3027 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3028 case T_VOID: |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3029 break; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3030 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3031 case T_FLOAT: |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3032 // This does the right thing since we know it is destined for the |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3033 // stack |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3034 float_move(masm, src, dst); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3035 break; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3036 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3037 case T_DOUBLE: |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3038 // This does the right thing since we know it is destined for the |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3039 // stack |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3040 double_move(masm, src, dst); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3041 break; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3042 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3043 case T_LONG : |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3044 long_move(masm, src, dst); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3045 break; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3046 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3047 case T_ADDRESS: assert(false, "found T_ADDRESS in java args"); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3048 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3049 default: |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3050 move32_64(masm, src, dst); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3051 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3052 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3053 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3054 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3055 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3056 // If we have any strings we must store any register based arg to the stack |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3057 // This includes any still live xmm registers too. |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3058 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3059 int sid = 0; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3060 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3061 if (total_strings > 0 ) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3062 for (j_arg = first_arg_to_pass, c_arg = 0 ; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3063 j_arg < total_args_passed ; j_arg++, c_arg++ ) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3064 VMRegPair src = in_regs[j_arg]; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3065 VMRegPair dst = out_regs[c_arg]; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3066 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3067 if (src.first()->is_reg()) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3068 Address src_tmp(rbp, fp_offset[src.first()->value()]); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3069 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3070 // string oops were left untouched by the previous loop even if the |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3071 // eventual (converted) arg is destined for the stack so park them |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3072 // away now (except for first) |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3073 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3074 if (out_sig_bt[c_arg] == T_ADDRESS) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3075 Address utf8_addr = Address( |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3076 rsp, string_locs[sid++] * VMRegImpl::stack_slot_size); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3077 if (sid != 1) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3078 // The first string arg won't be killed until after the utf8 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3079 // conversion |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3080 __ movq(utf8_addr, src.first()->as_Register()); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3081 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3082 } else if (dst.first()->is_reg()) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3083 if (in_sig_bt[j_arg] == T_FLOAT || in_sig_bt[j_arg] == T_DOUBLE) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3084 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3085 // Convert the xmm register to an int and store it in the reserved |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3086 // location for the eventual c register arg |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3087 XMMRegister f = src.first()->as_XMMRegister(); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3088 if (in_sig_bt[j_arg] == T_FLOAT) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3089 __ movflt(src_tmp, f); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3090 } else { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3091 __ movdbl(src_tmp, f); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3092 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3093 } else { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3094 // If the arg is an oop type we don't support don't bother to store |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3095 // it remember string was handled above. |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3096 bool useless = in_sig_bt[j_arg] == T_ARRAY || |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3097 (in_sig_bt[j_arg] == T_OBJECT && |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3098 out_sig_bt[c_arg] != T_INT && |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3099 out_sig_bt[c_arg] != T_LONG); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3100 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3101 if (!useless) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3102 __ movq(src_tmp, src.first()->as_Register()); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3103 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3104 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3105 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3106 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3107 if (in_sig_bt[j_arg] == T_OBJECT && out_sig_bt[c_arg] == T_LONG) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3108 assert(out_sig_bt[c_arg+1] == T_VOID, "must be"); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3109 ++c_arg; // skip over T_VOID to keep the loop indices in sync |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3110 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3111 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3112 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3113 // Now that the volatile registers are safe, convert all the strings |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3114 sid = 0; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3115 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3116 for (j_arg = first_arg_to_pass, c_arg = 0 ; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3117 j_arg < total_args_passed ; j_arg++, c_arg++ ) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3118 if (out_sig_bt[c_arg] == T_ADDRESS) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3119 // It's a string |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3120 Address utf8_addr = Address( |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3121 rsp, string_locs[sid++] * VMRegImpl::stack_slot_size); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3122 // The first string we find might still be in the original java arg |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3123 // register |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3124 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3125 VMReg src = in_regs[j_arg].first(); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3126 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3127 // We will need to eventually save the final argument to the trap |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3128 // in the von-volatile location dedicated to src. This is the offset |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3129 // from fp we will use. |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3130 int src_off = src->is_reg() ? |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3131 fp_offset[src->value()] : reg2offset_in(src); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3132 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3133 // This is where the argument will eventually reside |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3134 VMRegPair dst = out_regs[c_arg]; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3135 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3136 if (src->is_reg()) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3137 if (sid == 1) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3138 __ movq(c_rarg0, src->as_Register()); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3139 } else { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3140 __ movq(c_rarg0, utf8_addr); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3141 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3142 } else { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3143 // arg is still in the original location |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3144 __ movq(c_rarg0, Address(rbp, reg2offset_in(src))); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3145 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3146 Label done, convert; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3147 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3148 // see if the oop is NULL |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3149 __ testq(c_rarg0, c_rarg0); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3150 __ jcc(Assembler::notEqual, convert); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3151 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3152 if (dst.first()->is_reg()) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3153 // Save the ptr to utf string in the origina src loc or the tmp |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3154 // dedicated to it |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3155 __ movq(Address(rbp, src_off), c_rarg0); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3156 } else { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3157 __ movq(Address(rsp, reg2offset_out(dst.first())), c_rarg0); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3158 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3159 __ jmp(done); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3160 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3161 __ bind(convert); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3162 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3163 __ lea(c_rarg1, utf8_addr); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3164 if (dst.first()->is_reg()) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3165 __ movq(Address(rbp, src_off), c_rarg1); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3166 } else { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3167 __ movq(Address(rsp, reg2offset_out(dst.first())), c_rarg1); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3168 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3169 // And do the conversion |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3170 __ call(RuntimeAddress( |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3171 CAST_FROM_FN_PTR(address, SharedRuntime::get_utf))); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3172 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3173 __ bind(done); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3174 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3175 if (in_sig_bt[j_arg] == T_OBJECT && out_sig_bt[c_arg] == T_LONG) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3176 assert(out_sig_bt[c_arg+1] == T_VOID, "must be"); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3177 ++c_arg; // skip over T_VOID to keep the loop indices in sync |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3178 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3179 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3180 // The get_utf call killed all the c_arg registers |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3181 live[c_rarg0->as_VMReg()->value()] = false; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3182 live[c_rarg1->as_VMReg()->value()] = false; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3183 live[c_rarg2->as_VMReg()->value()] = false; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3184 live[c_rarg3->as_VMReg()->value()] = false; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3185 live[c_rarg4->as_VMReg()->value()] = false; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3186 live[c_rarg5->as_VMReg()->value()] = false; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3187 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3188 live[c_farg0->as_VMReg()->value()] = false; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3189 live[c_farg1->as_VMReg()->value()] = false; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3190 live[c_farg2->as_VMReg()->value()] = false; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3191 live[c_farg3->as_VMReg()->value()] = false; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3192 live[c_farg4->as_VMReg()->value()] = false; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3193 live[c_farg5->as_VMReg()->value()] = false; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3194 live[c_farg6->as_VMReg()->value()] = false; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3195 live[c_farg7->as_VMReg()->value()] = false; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3196 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3197 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3198 // Now we can finally move the register args to their desired locations |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3199 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3200 rax_is_zero = false; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3201 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3202 for (j_arg = first_arg_to_pass, c_arg = 0 ; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3203 j_arg < total_args_passed ; j_arg++, c_arg++ ) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3204 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3205 VMRegPair src = in_regs[j_arg]; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3206 VMRegPair dst = out_regs[c_arg]; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3207 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3208 // Only need to look for args destined for the interger registers (since we |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3209 // convert float/double args to look like int/long outbound) |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3210 if (dst.first()->is_reg()) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3211 Register r = dst.first()->as_Register(); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3212 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3213 // Check if the java arg is unsupported and thereofre useless |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3214 bool useless = in_sig_bt[j_arg] == T_ARRAY || |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3215 (in_sig_bt[j_arg] == T_OBJECT && |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3216 out_sig_bt[c_arg] != T_INT && |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3217 out_sig_bt[c_arg] != T_ADDRESS && |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3218 out_sig_bt[c_arg] != T_LONG); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3219 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3220 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3221 // If we're going to kill an existing arg save it first |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3222 if (live[dst.first()->value()]) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3223 // you can't kill yourself |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3224 if (src.first() != dst.first()) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3225 __ movq(Address(rbp, fp_offset[dst.first()->value()]), r); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3226 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3227 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3228 if (src.first()->is_reg()) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3229 if (live[src.first()->value()] ) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3230 if (in_sig_bt[j_arg] == T_FLOAT) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3231 __ movdl(r, src.first()->as_XMMRegister()); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3232 } else if (in_sig_bt[j_arg] == T_DOUBLE) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3233 __ movdq(r, src.first()->as_XMMRegister()); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3234 } else if (r != src.first()->as_Register()) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3235 if (!useless) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3236 __ movq(r, src.first()->as_Register()); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3237 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3238 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3239 } else { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3240 // If the arg is an oop type we don't support don't bother to store |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3241 // it |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3242 if (!useless) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3243 if (in_sig_bt[j_arg] == T_DOUBLE || |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3244 in_sig_bt[j_arg] == T_LONG || |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3245 in_sig_bt[j_arg] == T_OBJECT ) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3246 __ movq(r, Address(rbp, fp_offset[src.first()->value()])); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3247 } else { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3248 __ movl(r, Address(rbp, fp_offset[src.first()->value()])); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3249 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3250 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3251 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3252 live[src.first()->value()] = false; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3253 } else if (!useless) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3254 // full sized move even for int should be ok |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3255 __ movq(r, Address(rbp, reg2offset_in(src.first()))); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3256 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3257 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3258 // At this point r has the original java arg in the final location |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3259 // (assuming it wasn't useless). If the java arg was an oop |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3260 // we have a bit more to do |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3261 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3262 if (in_sig_bt[j_arg] == T_ARRAY || in_sig_bt[j_arg] == T_OBJECT ) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3263 if (out_sig_bt[c_arg] == T_INT || out_sig_bt[c_arg] == T_LONG) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3264 // need to unbox a one-word value |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3265 Label skip; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3266 __ testq(r, r); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3267 __ jcc(Assembler::equal, skip); |
|
165
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
116
diff
changeset
|
3268 BasicType bt = out_sig_bt[c_arg]; |
|
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
116
diff
changeset
|
3269 int box_offset = java_lang_boxing_object::value_offset_in_bytes(bt); |
|
116
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3270 Address src1(r, box_offset); |
|
165
437d03ea40b1
6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents:
116
diff
changeset
|
3271 if ( bt == T_LONG ) { |
|
116
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3272 __ movq(r, src1); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3273 } else { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3274 __ movl(r, src1); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3275 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3276 __ bind(skip); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3277 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3278 } else if (out_sig_bt[c_arg] != T_ADDRESS) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3279 // Convert the arg to NULL |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3280 __ xorq(r, r); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3281 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3282 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3283 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3284 // dst can longer be holding an input value |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3285 live[dst.first()->value()] = false; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3286 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3287 if (in_sig_bt[j_arg] == T_OBJECT && out_sig_bt[c_arg] == T_LONG) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3288 assert(out_sig_bt[c_arg+1] == T_VOID, "must be"); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3289 ++c_arg; // skip over T_VOID to keep the loop indices in sync |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3290 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3291 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3292 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3293 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3294 // Ok now we are done. Need to place the nop that dtrace wants in order to |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3295 // patch in the trap |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3296 int patch_offset = ((intptr_t)__ pc()) - start; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3297 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3298 __ nop(); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3299 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3300 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3301 // Return |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3302 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3303 __ leave(); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3304 __ ret(0); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3305 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3306 __ flush(); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3307 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3308 nmethod *nm = nmethod::new_dtrace_nmethod( |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3309 method, masm->code(), vep_offset, patch_offset, frame_complete, |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3310 stack_slots / VMRegImpl::slots_per_word); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3311 return nm; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3312 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3313 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3314 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3315 #endif // HAVE_DTRACE_H |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3316 |
| 0 | 3317 // this function returns the adjust size (in number of words) to a c2i adapter |
| 3318 // activation for use during deoptimization | |
| 3319 int Deoptimization::last_frame_adjust(int callee_parameters, int callee_locals ) { | |
| 1506 | 3320 return (callee_locals - callee_parameters) * Interpreter::stackElementWords; |
| 0 | 3321 } |
| 3322 | |
| 3323 | |
| 3324 uint SharedRuntime::out_preserve_stack_slots() { | |
| 3325 return 0; | |
| 3326 } | |
| 3327 | |
| 3328 //------------------------------generate_deopt_blob---------------------------- | |
| 3329 void SharedRuntime::generate_deopt_blob() { | |
| 3330 // Allocate space for the code | |
| 3331 ResourceMark rm; | |
| 3332 // Setup code generation tools | |
| 3333 CodeBuffer buffer("deopt_blob", 2048, 1024); | |
| 3334 MacroAssembler* masm = new MacroAssembler(&buffer); | |
| 3335 int frame_size_in_words; | |
| 3336 OopMap* map = NULL; | |
| 3337 OopMapSet *oop_maps = new OopMapSet(); | |
| 3338 | |
| 3339 // ------------- | |
| 3340 // This code enters when returning to a de-optimized nmethod. A return | |
| 3341 // address has been pushed on the the stack, and return values are in | |
| 3342 // registers. | |
| 3343 // If we are doing a normal deopt then we were called from the patched | |
| 3344 // nmethod from the point we returned to the nmethod. So the return | |
| 3345 // address on the stack is wrong by NativeCall::instruction_size | |
| 3346 // We will adjust the value so it looks like we have the original return | |
| 3347 // address on the stack (like when we eagerly deoptimized). | |
| 3348 // In the case of an exception pending when deoptimizing, we enter | |
| 3349 // with a return address on the stack that points after the call we patched | |
| 3350 // into the exception handler. We have the following register state from, | |
| 3351 // e.g., the forward exception stub (see stubGenerator_x86_64.cpp). | |
| 3352 // rax: exception oop | |
| 3353 // rbx: exception handler | |
| 3354 // rdx: throwing pc | |
| 3355 // So in this case we simply jam rdx into the useless return address and | |
| 3356 // the stack looks just like we want. | |
| 3357 // | |
| 3358 // At this point we need to de-opt. We save the argument return | |
| 3359 // registers. We call the first C routine, fetch_unroll_info(). This | |
| 3360 // routine captures the return values and returns a structure which | |
| 3361 // describes the current frame size and the sizes of all replacement frames. | |
| 3362 // The current frame is compiled code and may contain many inlined | |
| 3363 // functions, each with their own JVM state. We pop the current frame, then | |
| 3364 // push all the new frames. Then we call the C routine unpack_frames() to | |
| 3365 // populate these frames. Finally unpack_frames() returns us the new target | |
| 3366 // address. Notice that callee-save registers are BLOWN here; they have | |
| 3367 // already been captured in the vframeArray at the time the return PC was | |
| 3368 // patched. | |
| 3369 address start = __ pc(); | |
| 3370 Label cont; | |
| 3371 | |
| 3372 // Prolog for non exception case! | |
| 3373 | |
| 3374 // Save everything in sight. | |
| 3375 map = RegisterSaver::save_live_registers(masm, 0, &frame_size_in_words); | |
| 3376 | |
| 3377 // Normal deoptimization. Save exec mode for unpack_frames. | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
3378 __ movl(r14, Deoptimization::Unpack_deopt); // callee-saved |
| 0 | 3379 __ jmp(cont); |
| 304 | 3380 |
| 3381 int reexecute_offset = __ pc() - start; | |
|
21559
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21074
diff
changeset
|
3382 #if defined(COMPILERJVMCI) && !defined(COMPILER1) |
|
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21074
diff
changeset
|
3383 // JVMCI does not use this kind of deoptimization |
|
9112
6c33b2076d7c
minor HotSpot deoptimization cleanups
Christian Haeubl <haeubl@ssw.jku.at>
parents:
8883
diff
changeset
|
3384 __ should_not_reach_here(); |
|
6c33b2076d7c
minor HotSpot deoptimization cleanups
Christian Haeubl <haeubl@ssw.jku.at>
parents:
8883
diff
changeset
|
3385 #endif |
| 304 | 3386 |
| 3387 // Reexecute case | |
| 3388 // return address is the pc describes what bci to do re-execute at | |
| 3389 | |
| 3390 // No need to update map as each call to save_live_registers will produce identical oopmap | |
| 3391 (void) RegisterSaver::save_live_registers(masm, 0, &frame_size_in_words); | |
| 3392 | |
| 3393 __ movl(r14, Deoptimization::Unpack_reexecute); // callee-saved | |
| 3394 __ jmp(cont); | |
| 3395 | |
| 22298 | 3396 #if INCLUDE_JVMCI |
|
9112
6c33b2076d7c
minor HotSpot deoptimization cleanups
Christian Haeubl <haeubl@ssw.jku.at>
parents:
8883
diff
changeset
|
3397 int implicit_exception_uncommon_trap_offset = __ pc() - start; |
| 15104 | 3398 |
|
21559
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21074
diff
changeset
|
3399 __ pushptr(Address(r15_thread, in_bytes(JavaThread::jvmci_implicit_exception_pc_offset()))); |
|
9112
6c33b2076d7c
minor HotSpot deoptimization cleanups
Christian Haeubl <haeubl@ssw.jku.at>
parents:
8883
diff
changeset
|
3400 |
|
19462
33a783b15758
made use of Graal stubs instead of equivalent HotSpot stubs optional and off by default
Doug Simon <doug.simon@oracle.com>
parents:
18041
diff
changeset
|
3401 int uncommon_trap_offset = __ pc() - start; |
|
33a783b15758
made use of Graal stubs instead of equivalent HotSpot stubs optional and off by default
Doug Simon <doug.simon@oracle.com>
parents:
18041
diff
changeset
|
3402 |
|
9112
6c33b2076d7c
minor HotSpot deoptimization cleanups
Christian Haeubl <haeubl@ssw.jku.at>
parents:
8883
diff
changeset
|
3403 // Save everything in sight. |
|
6c33b2076d7c
minor HotSpot deoptimization cleanups
Christian Haeubl <haeubl@ssw.jku.at>
parents:
8883
diff
changeset
|
3404 RegisterSaver::save_live_registers(masm, 0, &frame_size_in_words); |
|
6c33b2076d7c
minor HotSpot deoptimization cleanups
Christian Haeubl <haeubl@ssw.jku.at>
parents:
8883
diff
changeset
|
3405 // fetch_unroll_info needs to call last_java_frame() |
|
6c33b2076d7c
minor HotSpot deoptimization cleanups
Christian Haeubl <haeubl@ssw.jku.at>
parents:
8883
diff
changeset
|
3406 __ set_last_Java_frame(noreg, noreg, NULL); |
|
6c33b2076d7c
minor HotSpot deoptimization cleanups
Christian Haeubl <haeubl@ssw.jku.at>
parents:
8883
diff
changeset
|
3407 |
|
6c33b2076d7c
minor HotSpot deoptimization cleanups
Christian Haeubl <haeubl@ssw.jku.at>
parents:
8883
diff
changeset
|
3408 __ movl(c_rarg1, Address(r15_thread, in_bytes(ThreadShadow::pending_deoptimization_offset()))); |
|
6c33b2076d7c
minor HotSpot deoptimization cleanups
Christian Haeubl <haeubl@ssw.jku.at>
parents:
8883
diff
changeset
|
3409 __ movl(Address(r15_thread, in_bytes(ThreadShadow::pending_deoptimization_offset())), -1); |
|
6c33b2076d7c
minor HotSpot deoptimization cleanups
Christian Haeubl <haeubl@ssw.jku.at>
parents:
8883
diff
changeset
|
3410 |
|
6c33b2076d7c
minor HotSpot deoptimization cleanups
Christian Haeubl <haeubl@ssw.jku.at>
parents:
8883
diff
changeset
|
3411 __ movl(r14, (int32_t)Deoptimization::Unpack_reexecute); |
|
6c33b2076d7c
minor HotSpot deoptimization cleanups
Christian Haeubl <haeubl@ssw.jku.at>
parents:
8883
diff
changeset
|
3412 __ mov(c_rarg0, r15_thread); |
|
6c33b2076d7c
minor HotSpot deoptimization cleanups
Christian Haeubl <haeubl@ssw.jku.at>
parents:
8883
diff
changeset
|
3413 __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, Deoptimization::uncommon_trap))); |
|
6c33b2076d7c
minor HotSpot deoptimization cleanups
Christian Haeubl <haeubl@ssw.jku.at>
parents:
8883
diff
changeset
|
3414 oop_maps->add_gc_map( __ pc()-start, map->deep_copy()); |
|
6c33b2076d7c
minor HotSpot deoptimization cleanups
Christian Haeubl <haeubl@ssw.jku.at>
parents:
8883
diff
changeset
|
3415 |
|
6c33b2076d7c
minor HotSpot deoptimization cleanups
Christian Haeubl <haeubl@ssw.jku.at>
parents:
8883
diff
changeset
|
3416 __ reset_last_Java_frame(false, false); |
|
6c33b2076d7c
minor HotSpot deoptimization cleanups
Christian Haeubl <haeubl@ssw.jku.at>
parents:
8883
diff
changeset
|
3417 |
|
6c33b2076d7c
minor HotSpot deoptimization cleanups
Christian Haeubl <haeubl@ssw.jku.at>
parents:
8883
diff
changeset
|
3418 Label after_fetch_unroll_info_call; |
|
6c33b2076d7c
minor HotSpot deoptimization cleanups
Christian Haeubl <haeubl@ssw.jku.at>
parents:
8883
diff
changeset
|
3419 __ jmp(after_fetch_unroll_info_call); |
| 22298 | 3420 #endif // INCLUDE_JVMCI |
|
9112
6c33b2076d7c
minor HotSpot deoptimization cleanups
Christian Haeubl <haeubl@ssw.jku.at>
parents:
8883
diff
changeset
|
3421 |
| 0 | 3422 int exception_offset = __ pc() - start; |
| 3423 | |
| 3424 // Prolog for exception case | |
| 3425 | |
| 304 | 3426 // all registers are dead at this entry point, except for rax, and |
| 3427 // rdx which contain the exception oop and exception pc | |
| 3428 // respectively. Set them in TLS and fall thru to the | |
| 3429 // unpack_with_exception_in_tls entry point. | |
| 3430 | |
| 3431 __ movptr(Address(r15_thread, JavaThread::exception_pc_offset()), rdx); | |
| 3432 __ movptr(Address(r15_thread, JavaThread::exception_oop_offset()), rax); | |
| 3433 | |
| 3434 int exception_in_tls_offset = __ pc() - start; | |
| 3435 | |
| 3436 // new implementation because exception oop is now passed in JavaThread | |
| 3437 | |
| 3438 // Prolog for exception case | |
| 3439 // All registers must be preserved because they might be used by LinearScan | |
| 3440 // Exceptiop oop and throwing PC are passed in JavaThread | |
| 3441 // tos: stack at point of call to method that threw the exception (i.e. only | |
| 3442 // args are on the stack, no return address) | |
| 3443 | |
| 3444 // make room on stack for the return address | |
| 3445 // It will be patched later with the throwing pc. The correct value is not | |
| 3446 // available now because loading it from memory would destroy registers. | |
| 3447 __ push(0); | |
| 0 | 3448 |
| 3449 // Save everything in sight. | |
| 3450 map = RegisterSaver::save_live_registers(masm, 0, &frame_size_in_words); | |
| 3451 | |
| 304 | 3452 // Now it is safe to overwrite any register |
| 3453 | |
| 0 | 3454 // Deopt during an exception. Save exec mode for unpack_frames. |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
3455 __ movl(r14, Deoptimization::Unpack_exception); // callee-saved |
| 0 | 3456 |
| 304 | 3457 // load throwing pc from JavaThread and patch it as the return address |
| 3458 // of the current frame. Then clear the field in JavaThread | |
| 3459 | |
| 3460 __ movptr(rdx, Address(r15_thread, JavaThread::exception_pc_offset())); | |
| 3461 __ movptr(Address(rbp, wordSize), rdx); | |
| 3462 __ movptr(Address(r15_thread, JavaThread::exception_pc_offset()), (int32_t)NULL_WORD); | |
| 3463 | |
| 3464 #ifdef ASSERT | |
| 3465 // verify that there is really an exception oop in JavaThread | |
| 3466 __ movptr(rax, Address(r15_thread, JavaThread::exception_oop_offset())); | |
| 3467 __ verify_oop(rax); | |
| 3468 | |
| 3469 // verify that there is no pending exception | |
| 3470 Label no_pending_exception; | |
| 3471 __ movptr(rax, Address(r15_thread, Thread::pending_exception_offset())); | |
| 3472 __ testptr(rax, rax); | |
| 3473 __ jcc(Assembler::zero, no_pending_exception); | |
| 3474 __ stop("must not have pending exception here"); | |
| 3475 __ bind(no_pending_exception); | |
| 3476 #endif | |
| 3477 | |
| 0 | 3478 __ bind(cont); |
| 3479 | |
| 3480 // Call C code. Need thread and this frame, but NOT official VM entry | |
| 3481 // crud. We cannot block on this call, no GC can happen. | |
| 3482 // | |
| 3483 // UnrollBlock* fetch_unroll_info(JavaThread* thread) | |
| 3484 | |
| 3485 // fetch_unroll_info needs to call last_java_frame(). | |
| 3486 | |
| 3487 __ set_last_Java_frame(noreg, noreg, NULL); | |
| 3488 #ifdef ASSERT | |
| 3489 { Label L; | |
| 304 | 3490 __ cmpptr(Address(r15_thread, |
| 0 | 3491 JavaThread::last_Java_fp_offset()), |
| 304 | 3492 (int32_t)0); |
| 0 | 3493 __ jcc(Assembler::equal, L); |
| 3494 __ stop("SharedRuntime::generate_deopt_blob: last_Java_fp not cleared"); | |
| 3495 __ bind(L); | |
| 3496 } | |
| 3497 #endif // ASSERT | |
| 304 | 3498 __ mov(c_rarg0, r15_thread); |
| 0 | 3499 __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, Deoptimization::fetch_unroll_info))); |
| 3500 | |
| 3501 // Need to have an oopmap that tells fetch_unroll_info where to | |
| 3502 // find any register it might need. | |
| 3503 oop_maps->add_gc_map(__ pc() - start, map); | |
| 3504 | |
| 3505 __ reset_last_Java_frame(false, false); | |
| 3506 | |
| 22298 | 3507 #if INCLUDE_JVMCI |
|
2059
9508a52cbd32
Add deoptimization blob support.
Thomas Wuerthinger <wuerthinger@ssw.jku.at>
parents:
1972
diff
changeset
|
3508 __ bind(after_fetch_unroll_info_call); |
|
4985
0d2a2797a61f
2 more #ifdef GRAAL
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
4984
diff
changeset
|
3509 #endif |
|
2059
9508a52cbd32
Add deoptimization blob support.
Thomas Wuerthinger <wuerthinger@ssw.jku.at>
parents:
1972
diff
changeset
|
3510 |
| 0 | 3511 // Load UnrollBlock* into rdi |
| 304 | 3512 __ mov(rdi, rax); |
| 3513 | |
| 3514 Label noException; | |
|
682
69aefafe69c1
6824463: deopt blob is testing wrong register on 64-bit x86
never
parents:
628
diff
changeset
|
3515 __ cmpl(r14, Deoptimization::Unpack_exception); // Was exception pending? |
| 304 | 3516 __ jcc(Assembler::notEqual, noException); |
| 3517 __ movptr(rax, Address(r15_thread, JavaThread::exception_oop_offset())); | |
| 3518 // QQQ this is useless it was NULL above | |
| 3519 __ movptr(rdx, Address(r15_thread, JavaThread::exception_pc_offset())); | |
| 3520 __ movptr(Address(r15_thread, JavaThread::exception_oop_offset()), (int32_t)NULL_WORD); | |
| 3521 __ movptr(Address(r15_thread, JavaThread::exception_pc_offset()), (int32_t)NULL_WORD); | |
| 3522 | |
| 3523 __ verify_oop(rax); | |
| 3524 | |
| 3525 // Overwrite the result registers with the exception results. | |
| 3526 __ movptr(Address(rsp, RegisterSaver::rax_offset_in_bytes()), rax); | |
| 3527 // I think this is useless | |
| 3528 __ movptr(Address(rsp, RegisterSaver::rdx_offset_in_bytes()), rdx); | |
| 3529 | |
| 3530 __ bind(noException); | |
| 0 | 3531 |
| 3532 // Only register save data is on the stack. | |
| 3533 // Now restore the result registers. Everything else is either dead | |
| 3534 // or captured in the vframeArray. | |
| 3535 RegisterSaver::restore_result_registers(masm); | |
| 3536 | |
| 3537 // All of the register save area has been popped of the stack. Only the | |
| 3538 // return address remains. | |
| 3539 | |
| 3540 // Pop all the frames we must move/replace. | |
| 3541 // | |
| 3542 // Frame picture (youngest to oldest) | |
| 3543 // 1: self-frame (no frame link) | |
| 3544 // 2: deopting frame (no frame link) | |
| 3545 // 3: caller of deopting frame (could be compiled/interpreted). | |
| 3546 // | |
| 3547 // Note: by leaving the return address of self-frame on the stack | |
| 3548 // and using the size of frame 2 to adjust the stack | |
| 3549 // when we are done the return to frame 3 will still be on the stack. | |
| 3550 | |
| 3551 // Pop deoptimized frame | |
| 3552 __ movl(rcx, Address(rdi, Deoptimization::UnrollBlock::size_of_deoptimized_frame_offset_in_bytes())); | |
| 304 | 3553 __ addptr(rsp, rcx); |
| 0 | 3554 |
| 3555 // rsp should be pointing at the return address to the caller (3) | |
| 3556 | |
|
13384
fca8f4799229
8028308: nsk regression, assert(obj->is_oop()) failed: not an oop
roland
parents:
10998
diff
changeset
|
3557 // Pick up the initial fp we should save |
|
fca8f4799229
8028308: nsk regression, assert(obj->is_oop()) failed: not an oop
roland
parents:
10998
diff
changeset
|
3558 // restore rbp before stack bang because if stack overflow is thrown it needs to be pushed (and preserved) |
|
fca8f4799229
8028308: nsk regression, assert(obj->is_oop()) failed: not an oop
roland
parents:
10998
diff
changeset
|
3559 __ movptr(rbp, Address(rdi, Deoptimization::UnrollBlock::initial_info_offset_in_bytes())); |
|
fca8f4799229
8028308: nsk regression, assert(obj->is_oop()) failed: not an oop
roland
parents:
10998
diff
changeset
|
3560 |
|
17980
0bf37f737702
8032410: compiler/uncommontrap/TestStackBangRbp.java times out on Solaris-Sparc V9
roland
parents:
17850
diff
changeset
|
3561 #ifdef ASSERT |
|
0bf37f737702
8032410: compiler/uncommontrap/TestStackBangRbp.java times out on Solaris-Sparc V9
roland
parents:
17850
diff
changeset
|
3562 // Compilers generate code that bang the stack by as much as the |
|
0bf37f737702
8032410: compiler/uncommontrap/TestStackBangRbp.java times out on Solaris-Sparc V9
roland
parents:
17850
diff
changeset
|
3563 // interpreter would need. So this stack banging should never |
|
0bf37f737702
8032410: compiler/uncommontrap/TestStackBangRbp.java times out on Solaris-Sparc V9
roland
parents:
17850
diff
changeset
|
3564 // trigger a fault. Verify that it does not on non product builds. |
| 0 | 3565 if (UseStackBanging) { |
| 3566 __ movl(rbx, Address(rdi, Deoptimization::UnrollBlock::total_frame_sizes_offset_in_bytes())); | |
| 3567 __ bang_stack_size(rbx, rcx); | |
| 3568 } | |
|
17980
0bf37f737702
8032410: compiler/uncommontrap/TestStackBangRbp.java times out on Solaris-Sparc V9
roland
parents:
17850
diff
changeset
|
3569 #endif |
| 0 | 3570 |
| 3571 // Load address of array of frame pcs into rcx | |
| 304 | 3572 __ movptr(rcx, Address(rdi, Deoptimization::UnrollBlock::frame_pcs_offset_in_bytes())); |
| 0 | 3573 |
| 3574 // Trash the old pc | |
| 304 | 3575 __ addptr(rsp, wordSize); |
| 0 | 3576 |
| 3577 // Load address of array of frame sizes into rsi | |
| 304 | 3578 __ movptr(rsi, Address(rdi, Deoptimization::UnrollBlock::frame_sizes_offset_in_bytes())); |
| 0 | 3579 |
| 3580 // Load counter into rdx | |
| 3581 __ movl(rdx, Address(rdi, Deoptimization::UnrollBlock::number_of_frames_offset_in_bytes())); | |
| 3582 | |
| 3583 // Now adjust the caller's stack to make up for the extra locals | |
| 3584 // but record the original sp so that we can save it in the skeletal interpreter | |
| 3585 // frame and the stack walking of interpreter_sender will get the unextended sp | |
| 3586 // value and not the "real" sp value. | |
| 3587 | |
| 3588 const Register sender_sp = r8; | |
| 3589 | |
| 304 | 3590 __ mov(sender_sp, rsp); |
| 0 | 3591 __ movl(rbx, Address(rdi, |
| 3592 Deoptimization::UnrollBlock:: | |
| 3593 caller_adjustment_offset_in_bytes())); | |
| 304 | 3594 __ subptr(rsp, rbx); |
| 0 | 3595 |
| 3596 // Push interpreter frames in a loop | |
| 3597 Label loop; | |
| 3598 __ bind(loop); | |
| 304 | 3599 __ movptr(rbx, Address(rsi, 0)); // Load frame size |
| 3600 #ifdef CC_INTERP | |
| 3601 __ subptr(rbx, 4*wordSize); // we'll push pc and ebp by hand and | |
| 3602 #ifdef ASSERT | |
| 3603 __ push(0xDEADDEAD); // Make a recognizable pattern | |
| 3604 __ push(0xDEADDEAD); | |
| 3605 #else /* ASSERT */ | |
| 3606 __ subptr(rsp, 2*wordSize); // skip the "static long no_param" | |
| 3607 #endif /* ASSERT */ | |
| 3608 #else | |
| 3609 __ subptr(rbx, 2*wordSize); // We'll push pc and ebp by hand | |
| 3610 #endif // CC_INTERP | |
| 3611 __ pushptr(Address(rcx, 0)); // Save return address | |
| 0 | 3612 __ enter(); // Save old & set new ebp |
| 304 | 3613 __ subptr(rsp, rbx); // Prolog |
| 3614 #ifdef CC_INTERP | |
| 3615 __ movptr(Address(rbp, | |
| 3616 -(sizeof(BytecodeInterpreter)) + in_bytes(byte_offset_of(BytecodeInterpreter, _sender_sp))), | |
| 3617 sender_sp); // Make it walkable | |
| 3618 #else /* CC_INTERP */ | |
| 0 | 3619 // This value is corrected by layout_activation_impl |
| 304 | 3620 __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD ); |
| 3621 __ movptr(Address(rbp, frame::interpreter_frame_sender_sp_offset * wordSize), sender_sp); // Make it walkable | |
| 3622 #endif /* CC_INTERP */ | |
| 3623 __ mov(sender_sp, rsp); // Pass sender_sp to next frame | |
| 3624 __ addptr(rsi, wordSize); // Bump array pointer (sizes) | |
| 3625 __ addptr(rcx, wordSize); // Bump array pointer (pcs) | |
| 0 | 3626 __ decrementl(rdx); // Decrement counter |
| 3627 __ jcc(Assembler::notZero, loop); | |
| 304 | 3628 __ pushptr(Address(rcx, 0)); // Save final return address |
| 0 | 3629 |
| 3630 // Re-push self-frame | |
| 3631 __ enter(); // Save old & set new ebp | |
| 3632 | |
| 3633 // Allocate a full sized register save area. | |
| 3634 // Return address and rbp are in place, so we allocate two less words. | |
| 304 | 3635 __ subptr(rsp, (frame_size_in_words - 2) * wordSize); |
| 0 | 3636 |
| 3637 // Restore frame locals after moving the frame | |
| 3638 __ movdbl(Address(rsp, RegisterSaver::xmm0_offset_in_bytes()), xmm0); | |
| 304 | 3639 __ movptr(Address(rsp, RegisterSaver::rax_offset_in_bytes()), rax); |
| 0 | 3640 |
| 3641 // Call C code. Need thread but NOT official VM entry | |
| 3642 // crud. We cannot block on this call, no GC can happen. Call should | |
| 3643 // restore return values to their stack-slots with the new SP. | |
| 3644 // | |
| 3645 // void Deoptimization::unpack_frames(JavaThread* thread, int exec_mode) | |
| 3646 | |
| 3647 // Use rbp because the frames look interpreted now | |
|
4057
1feb272af3a7
6636110: unaligned stackpointer leads to crash during deoptimization
never
parents:
3931
diff
changeset
|
3648 // Save "the_pc" since it cannot easily be retrieved using the last_java_SP after we aligned SP. |
|
1feb272af3a7
6636110: unaligned stackpointer leads to crash during deoptimization
never
parents:
3931
diff
changeset
|
3649 // Don't need the precise return PC here, just precise enough to point into this code blob. |
|
1feb272af3a7
6636110: unaligned stackpointer leads to crash during deoptimization
never
parents:
3931
diff
changeset
|
3650 address the_pc = __ pc(); |
|
1feb272af3a7
6636110: unaligned stackpointer leads to crash during deoptimization
never
parents:
3931
diff
changeset
|
3651 __ set_last_Java_frame(noreg, rbp, the_pc); |
|
1feb272af3a7
6636110: unaligned stackpointer leads to crash during deoptimization
never
parents:
3931
diff
changeset
|
3652 |
|
1feb272af3a7
6636110: unaligned stackpointer leads to crash during deoptimization
never
parents:
3931
diff
changeset
|
3653 __ andptr(rsp, -(StackAlignmentInBytes)); // Fix stack alignment as required by ABI |
| 304 | 3654 __ mov(c_rarg0, r15_thread); |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
3655 __ movl(c_rarg1, r14); // second arg: exec_mode |
| 0 | 3656 __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, Deoptimization::unpack_frames))); |
|
4057
1feb272af3a7
6636110: unaligned stackpointer leads to crash during deoptimization
never
parents:
3931
diff
changeset
|
3657 // Revert SP alignment after call since we're going to do some SP relative addressing below |
|
1feb272af3a7
6636110: unaligned stackpointer leads to crash during deoptimization
never
parents:
3931
diff
changeset
|
3658 __ movptr(rsp, Address(r15_thread, JavaThread::last_Java_sp_offset())); |
| 0 | 3659 |
| 3660 // Set an oopmap for the call site | |
|
4057
1feb272af3a7
6636110: unaligned stackpointer leads to crash during deoptimization
never
parents:
3931
diff
changeset
|
3661 // Use the same PC we used for the last java frame |
|
1feb272af3a7
6636110: unaligned stackpointer leads to crash during deoptimization
never
parents:
3931
diff
changeset
|
3662 oop_maps->add_gc_map(the_pc - start, |
| 0 | 3663 new OopMap( frame_size_in_words, 0 )); |
| 3664 | |
|
4057
1feb272af3a7
6636110: unaligned stackpointer leads to crash during deoptimization
never
parents:
3931
diff
changeset
|
3665 // Clear fp AND pc |
|
1feb272af3a7
6636110: unaligned stackpointer leads to crash during deoptimization
never
parents:
3931
diff
changeset
|
3666 __ reset_last_Java_frame(true, true); |
| 0 | 3667 |
| 3668 // Collect return values | |
| 3669 __ movdbl(xmm0, Address(rsp, RegisterSaver::xmm0_offset_in_bytes())); | |
| 304 | 3670 __ movptr(rax, Address(rsp, RegisterSaver::rax_offset_in_bytes())); |
| 3671 // I think this is useless (throwing pc?) | |
| 3672 __ movptr(rdx, Address(rsp, RegisterSaver::rdx_offset_in_bytes())); | |
| 0 | 3673 |
| 3674 // Pop self-frame. | |
| 3675 __ leave(); // Epilog | |
| 3676 | |
| 3677 // Jump to interpreter | |
| 3678 __ ret(0); | |
| 3679 | |
| 3680 // Make sure all code is generated | |
| 3681 masm->flush(); | |
| 3682 | |
| 304 | 3683 _deopt_blob = DeoptimizationBlob::create(&buffer, oop_maps, 0, exception_offset, reexecute_offset, frame_size_in_words); |
| 3684 _deopt_blob->set_unpack_with_exception_in_tls_offset(exception_in_tls_offset); | |
| 22298 | 3685 #if INCLUDE_JVMCI |
|
19462
33a783b15758
made use of Graal stubs instead of equivalent HotSpot stubs optional and off by default
Doug Simon <doug.simon@oracle.com>
parents:
18041
diff
changeset
|
3686 _deopt_blob->set_uncommon_trap_offset(uncommon_trap_offset); |
|
5111
422c979ff392
fixed two cases where DeoptAction was invalid
Christian Haeubl <christian.haeubl@oracle.com>
parents:
5109
diff
changeset
|
3687 _deopt_blob->set_implicit_exception_uncommon_trap_offset(implicit_exception_uncommon_trap_offset); |
|
4985
0d2a2797a61f
2 more #ifdef GRAAL
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
4984
diff
changeset
|
3688 #endif |
| 0 | 3689 } |
| 3690 | |
| 3691 #ifdef COMPILER2 | |
| 3692 //------------------------------generate_uncommon_trap_blob-------------------- | |
| 3693 void SharedRuntime::generate_uncommon_trap_blob() { | |
| 3694 // Allocate space for the code | |
| 3695 ResourceMark rm; | |
| 3696 // Setup code generation tools | |
| 3697 CodeBuffer buffer("uncommon_trap_blob", 2048, 1024); | |
| 3698 MacroAssembler* masm = new MacroAssembler(&buffer); | |
| 3699 | |
| 3700 assert(SimpleRuntimeFrame::framesize % 4 == 0, "sp not 16-byte aligned"); | |
| 3701 | |
| 3702 address start = __ pc(); | |
| 3703 | |
| 17780 | 3704 if (UseRTMLocking) { |
| 3705 // Abort RTM transaction before possible nmethod deoptimization. | |
| 3706 __ xabort(0); | |
| 3707 } | |
| 3708 | |
| 0 | 3709 // Push self-frame. We get here with a return address on the |
| 3710 // stack, so rsp is 8-byte aligned until we allocate our frame. | |
| 304 | 3711 __ subptr(rsp, SimpleRuntimeFrame::return_off << LogBytesPerInt); // Epilog! |
| 0 | 3712 |
| 3713 // No callee saved registers. rbp is assumed implicitly saved | |
| 304 | 3714 __ movptr(Address(rsp, SimpleRuntimeFrame::rbp_off << LogBytesPerInt), rbp); |
| 0 | 3715 |
| 3716 // compiler left unloaded_class_index in j_rarg0 move to where the | |
| 3717 // runtime expects it. | |
| 3718 __ movl(c_rarg1, j_rarg0); | |
| 3719 | |
| 3720 __ set_last_Java_frame(noreg, noreg, NULL); | |
| 3721 | |
| 3722 // Call C code. Need thread but NOT official VM entry | |
| 3723 // crud. We cannot block on this call, no GC can happen. Call should | |
| 3724 // capture callee-saved registers as well as return values. | |
| 3725 // Thread is in rdi already. | |
| 3726 // | |
| 3727 // UnrollBlock* uncommon_trap(JavaThread* thread, jint unloaded_class_index); | |
| 3728 | |
| 304 | 3729 __ mov(c_rarg0, r15_thread); |
| 0 | 3730 __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, Deoptimization::uncommon_trap))); |
| 3731 | |
| 3732 // Set an oopmap for the call site | |
| 3733 OopMapSet* oop_maps = new OopMapSet(); | |
| 3734 OopMap* map = new OopMap(SimpleRuntimeFrame::framesize, 0); | |
| 3735 | |
| 3736 // location of rbp is known implicitly by the frame sender code | |
| 3737 | |
| 3738 oop_maps->add_gc_map(__ pc() - start, map); | |
| 3739 | |
| 3740 __ reset_last_Java_frame(false, false); | |
| 3741 | |
| 3742 // Load UnrollBlock* into rdi | |
| 304 | 3743 __ mov(rdi, rax); |
| 0 | 3744 |
| 3745 // Pop all the frames we must move/replace. | |
| 3746 // | |
| 3747 // Frame picture (youngest to oldest) | |
| 3748 // 1: self-frame (no frame link) | |
| 3749 // 2: deopting frame (no frame link) | |
| 3750 // 3: caller of deopting frame (could be compiled/interpreted). | |
| 3751 | |
| 3752 // Pop self-frame. We have no frame, and must rely only on rax and rsp. | |
| 304 | 3753 __ addptr(rsp, (SimpleRuntimeFrame::framesize - 2) << LogBytesPerInt); // Epilog! |
| 0 | 3754 |
| 3755 // Pop deoptimized frame (int) | |
| 3756 __ movl(rcx, Address(rdi, | |
| 3757 Deoptimization::UnrollBlock:: | |
| 3758 size_of_deoptimized_frame_offset_in_bytes())); | |
| 304 | 3759 __ addptr(rsp, rcx); |
| 0 | 3760 |
| 3761 // rsp should be pointing at the return address to the caller (3) | |
| 3762 | |
|
13384
fca8f4799229
8028308: nsk regression, assert(obj->is_oop()) failed: not an oop
roland
parents:
10998
diff
changeset
|
3763 // Pick up the initial fp we should save |
|
fca8f4799229
8028308: nsk regression, assert(obj->is_oop()) failed: not an oop
roland
parents:
10998
diff
changeset
|
3764 // restore rbp before stack bang because if stack overflow is thrown it needs to be pushed (and preserved) |
|
fca8f4799229
8028308: nsk regression, assert(obj->is_oop()) failed: not an oop
roland
parents:
10998
diff
changeset
|
3765 __ movptr(rbp, Address(rdi, Deoptimization::UnrollBlock::initial_info_offset_in_bytes())); |
|
fca8f4799229
8028308: nsk regression, assert(obj->is_oop()) failed: not an oop
roland
parents:
10998
diff
changeset
|
3766 |
|
17980
0bf37f737702
8032410: compiler/uncommontrap/TestStackBangRbp.java times out on Solaris-Sparc V9
roland
parents:
17850
diff
changeset
|
3767 #ifdef ASSERT |
|
0bf37f737702
8032410: compiler/uncommontrap/TestStackBangRbp.java times out on Solaris-Sparc V9
roland
parents:
17850
diff
changeset
|
3768 // Compilers generate code that bang the stack by as much as the |
|
0bf37f737702
8032410: compiler/uncommontrap/TestStackBangRbp.java times out on Solaris-Sparc V9
roland
parents:
17850
diff
changeset
|
3769 // interpreter would need. So this stack banging should never |
|
0bf37f737702
8032410: compiler/uncommontrap/TestStackBangRbp.java times out on Solaris-Sparc V9
roland
parents:
17850
diff
changeset
|
3770 // trigger a fault. Verify that it does not on non product builds. |
| 0 | 3771 if (UseStackBanging) { |
| 3772 __ movl(rbx, Address(rdi ,Deoptimization::UnrollBlock::total_frame_sizes_offset_in_bytes())); | |
| 3773 __ bang_stack_size(rbx, rcx); | |
| 3774 } | |
|
17980
0bf37f737702
8032410: compiler/uncommontrap/TestStackBangRbp.java times out on Solaris-Sparc V9
roland
parents:
17850
diff
changeset
|
3775 #endif |
| 0 | 3776 |
| 3777 // Load address of array of frame pcs into rcx (address*) | |
|
13384
fca8f4799229
8028308: nsk regression, assert(obj->is_oop()) failed: not an oop
roland
parents:
10998
diff
changeset
|
3778 __ movptr(rcx, Address(rdi, Deoptimization::UnrollBlock::frame_pcs_offset_in_bytes())); |
| 0 | 3779 |
| 3780 // Trash the return pc | |
| 304 | 3781 __ addptr(rsp, wordSize); |
| 0 | 3782 |
| 3783 // Load address of array of frame sizes into rsi (intptr_t*) | |
|
13384
fca8f4799229
8028308: nsk regression, assert(obj->is_oop()) failed: not an oop
roland
parents:
10998
diff
changeset
|
3784 __ movptr(rsi, Address(rdi, Deoptimization::UnrollBlock:: frame_sizes_offset_in_bytes())); |
| 0 | 3785 |
| 3786 // Counter | |
|
13384
fca8f4799229
8028308: nsk regression, assert(obj->is_oop()) failed: not an oop
roland
parents:
10998
diff
changeset
|
3787 __ movl(rdx, Address(rdi, Deoptimization::UnrollBlock:: number_of_frames_offset_in_bytes())); // (int) |
| 0 | 3788 |
| 3789 // Now adjust the caller's stack to make up for the extra locals but | |
| 3790 // record the original sp so that we can save it in the skeletal | |
| 3791 // interpreter frame and the stack walking of interpreter_sender | |
| 3792 // will get the unextended sp value and not the "real" sp value. | |
| 3793 | |
| 3794 const Register sender_sp = r8; | |
| 3795 | |
| 304 | 3796 __ mov(sender_sp, rsp); |
|
13384
fca8f4799229
8028308: nsk regression, assert(obj->is_oop()) failed: not an oop
roland
parents:
10998
diff
changeset
|
3797 __ movl(rbx, Address(rdi, Deoptimization::UnrollBlock:: caller_adjustment_offset_in_bytes())); // (int) |
| 304 | 3798 __ subptr(rsp, rbx); |
| 0 | 3799 |
| 3800 // Push interpreter frames in a loop | |
| 3801 Label loop; | |
| 3802 __ bind(loop); | |
| 304 | 3803 __ movptr(rbx, Address(rsi, 0)); // Load frame size |
| 3804 __ subptr(rbx, 2 * wordSize); // We'll push pc and rbp by hand | |
| 3805 __ pushptr(Address(rcx, 0)); // Save return address | |
| 3806 __ enter(); // Save old & set new rbp | |
| 3807 __ subptr(rsp, rbx); // Prolog | |
|
520
52a431267315
6791168: Fix invalid code in bytecodeInterpreter that can cause gcc ICE
coleenp
parents:
304
diff
changeset
|
3808 #ifdef CC_INTERP |
|
52a431267315
6791168: Fix invalid code in bytecodeInterpreter that can cause gcc ICE
coleenp
parents:
304
diff
changeset
|
3809 __ movptr(Address(rbp, |
|
52a431267315
6791168: Fix invalid code in bytecodeInterpreter that can cause gcc ICE
coleenp
parents:
304
diff
changeset
|
3810 -(sizeof(BytecodeInterpreter)) + in_bytes(byte_offset_of(BytecodeInterpreter, _sender_sp))), |
|
52a431267315
6791168: Fix invalid code in bytecodeInterpreter that can cause gcc ICE
coleenp
parents:
304
diff
changeset
|
3811 sender_sp); // Make it walkable |
|
52a431267315
6791168: Fix invalid code in bytecodeInterpreter that can cause gcc ICE
coleenp
parents:
304
diff
changeset
|
3812 #else // CC_INTERP |
| 304 | 3813 __ movptr(Address(rbp, frame::interpreter_frame_sender_sp_offset * wordSize), |
| 3814 sender_sp); // Make it walkable | |
| 0 | 3815 // This value is corrected by layout_activation_impl |
| 304 | 3816 __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD ); |
|
520
52a431267315
6791168: Fix invalid code in bytecodeInterpreter that can cause gcc ICE
coleenp
parents:
304
diff
changeset
|
3817 #endif // CC_INTERP |
| 304 | 3818 __ mov(sender_sp, rsp); // Pass sender_sp to next frame |
| 3819 __ addptr(rsi, wordSize); // Bump array pointer (sizes) | |
| 3820 __ addptr(rcx, wordSize); // Bump array pointer (pcs) | |
| 3821 __ decrementl(rdx); // Decrement counter | |
| 0 | 3822 __ jcc(Assembler::notZero, loop); |
| 304 | 3823 __ pushptr(Address(rcx, 0)); // Save final return address |
| 0 | 3824 |
| 3825 // Re-push self-frame | |
| 3826 __ enter(); // Save old & set new rbp | |
| 304 | 3827 __ subptr(rsp, (SimpleRuntimeFrame::framesize - 4) << LogBytesPerInt); |
| 0 | 3828 // Prolog |
| 3829 | |
| 3830 // Use rbp because the frames look interpreted now | |
|
4057
1feb272af3a7
6636110: unaligned stackpointer leads to crash during deoptimization
never
parents:
3931
diff
changeset
|
3831 // Save "the_pc" since it cannot easily be retrieved using the last_java_SP after we aligned SP. |
|
1feb272af3a7
6636110: unaligned stackpointer leads to crash during deoptimization
never
parents:
3931
diff
changeset
|
3832 // Don't need the precise return PC here, just precise enough to point into this code blob. |
|
1feb272af3a7
6636110: unaligned stackpointer leads to crash during deoptimization
never
parents:
3931
diff
changeset
|
3833 address the_pc = __ pc(); |
|
1feb272af3a7
6636110: unaligned stackpointer leads to crash during deoptimization
never
parents:
3931
diff
changeset
|
3834 __ set_last_Java_frame(noreg, rbp, the_pc); |
| 0 | 3835 |
| 3836 // Call C code. Need thread but NOT official VM entry | |
| 3837 // crud. We cannot block on this call, no GC can happen. Call should | |
| 3838 // restore return values to their stack-slots with the new SP. | |
| 3839 // Thread is in rdi already. | |
| 3840 // | |
| 3841 // BasicType unpack_frames(JavaThread* thread, int exec_mode); | |
| 3842 | |
|
4057
1feb272af3a7
6636110: unaligned stackpointer leads to crash during deoptimization
never
parents:
3931
diff
changeset
|
3843 __ andptr(rsp, -(StackAlignmentInBytes)); // Align SP as required by ABI |
| 304 | 3844 __ mov(c_rarg0, r15_thread); |
| 0 | 3845 __ movl(c_rarg1, Deoptimization::Unpack_uncommon_trap); |
| 3846 __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, Deoptimization::unpack_frames))); | |
| 3847 | |
| 3848 // Set an oopmap for the call site | |
|
4057
1feb272af3a7
6636110: unaligned stackpointer leads to crash during deoptimization
never
parents:
3931
diff
changeset
|
3849 // Use the same PC we used for the last java frame |
|
1feb272af3a7
6636110: unaligned stackpointer leads to crash during deoptimization
never
parents:
3931
diff
changeset
|
3850 oop_maps->add_gc_map(the_pc - start, new OopMap(SimpleRuntimeFrame::framesize, 0)); |
|
1feb272af3a7
6636110: unaligned stackpointer leads to crash during deoptimization
never
parents:
3931
diff
changeset
|
3851 |
|
1feb272af3a7
6636110: unaligned stackpointer leads to crash during deoptimization
never
parents:
3931
diff
changeset
|
3852 // Clear fp AND pc |
|
1feb272af3a7
6636110: unaligned stackpointer leads to crash during deoptimization
never
parents:
3931
diff
changeset
|
3853 __ reset_last_Java_frame(true, true); |
| 0 | 3854 |
| 3855 // Pop self-frame. | |
| 3856 __ leave(); // Epilog | |
| 3857 | |
| 3858 // Jump to interpreter | |
| 3859 __ ret(0); | |
| 3860 | |
| 3861 // Make sure all code is generated | |
| 3862 masm->flush(); | |
| 3863 | |
| 3864 _uncommon_trap_blob = UncommonTrapBlob::create(&buffer, oop_maps, | |
| 3865 SimpleRuntimeFrame::framesize >> 1); | |
| 3866 } | |
| 3867 #endif // COMPILER2 | |
| 3868 | |
| 3869 | |
| 3870 //------------------------------generate_handler_blob------ | |
| 3871 // | |
| 3872 // Generate a special Compile2Runtime blob that saves all registers, | |
| 3873 // and setup oopmap. | |
| 3874 // | |
|
6792
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
3875 SafepointBlob* SharedRuntime::generate_handler_blob(address call_ptr, int poll_type) { |
| 0 | 3876 assert(StubRoutines::forward_exception_entry() != NULL, |
| 3877 "must be generated before"); | |
| 3878 | |
| 3879 ResourceMark rm; | |
| 3880 OopMapSet *oop_maps = new OopMapSet(); | |
| 3881 OopMap* map; | |
| 3882 | |
| 3883 // Allocate space for the code. Setup code generation tools. | |
| 3884 CodeBuffer buffer("handler_blob", 2048, 1024); | |
| 3885 MacroAssembler* masm = new MacroAssembler(&buffer); | |
| 3886 | |
| 3887 address start = __ pc(); | |
| 3888 address call_pc = NULL; | |
| 3889 int frame_size_in_words; | |
|
6792
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
3890 bool cause_return = (poll_type == POLL_AT_RETURN); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
3891 bool save_vectors = (poll_type == POLL_AT_VECTOR_LOOP); |
| 0 | 3892 |
| 17780 | 3893 if (UseRTMLocking) { |
| 3894 // Abort RTM transaction before calling runtime | |
| 3895 // because critical section will be large and will be | |
| 3896 // aborted anyway. Also nmethod could be deoptimized. | |
| 3897 __ xabort(0); | |
| 3898 } | |
| 3899 | |
| 0 | 3900 // Make room for return address (or push it again) |
| 3901 if (!cause_return) { | |
| 304 | 3902 __ push(rbx); |
| 0 | 3903 } |
| 3904 | |
| 3905 // Save registers, fpu state, and flags | |
|
6792
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
3906 map = RegisterSaver::save_live_registers(masm, 0, &frame_size_in_words, save_vectors); |
| 0 | 3907 |
| 3908 // The following is basically a call_VM. However, we need the precise | |
| 3909 // address of the call in order to generate an oopmap. Hence, we do all the | |
| 3910 // work outselves. | |
| 3911 | |
| 3912 __ set_last_Java_frame(noreg, noreg, NULL); | |
| 3913 | |
| 3914 // The return address must always be correct so that frame constructor never | |
| 3915 // sees an invalid pc. | |
| 3916 | |
| 3917 if (!cause_return) { | |
| 3918 // overwrite the dummy value we pushed on entry | |
| 304 | 3919 __ movptr(c_rarg0, Address(r15_thread, JavaThread::saved_exception_pc_offset())); |
| 3920 __ movptr(Address(rbp, wordSize), c_rarg0); | |
| 0 | 3921 } |
| 3922 | |
| 3923 // Do the call | |
| 304 | 3924 __ mov(c_rarg0, r15_thread); |
| 0 | 3925 __ call(RuntimeAddress(call_ptr)); |
| 3926 | |
| 3927 // Set an oopmap for the call site. This oopmap will map all | |
| 3928 // oop-registers and debug-info registers as callee-saved. This | |
| 3929 // will allow deoptimization at this safepoint to find all possible | |
| 3930 // debug-info recordings, as well as let GC find all oops. | |
| 3931 | |
| 3932 oop_maps->add_gc_map( __ pc() - start, map); | |
| 3933 | |
| 3934 Label noException; | |
| 3935 | |
| 3936 __ reset_last_Java_frame(false, false); | |
| 3937 | |
| 304 | 3938 __ cmpptr(Address(r15_thread, Thread::pending_exception_offset()), (int32_t)NULL_WORD); |
| 0 | 3939 __ jcc(Assembler::equal, noException); |
| 3940 | |
| 3941 // Exception pending | |
| 3942 | |
|
6792
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
3943 RegisterSaver::restore_live_registers(masm, save_vectors); |
| 0 | 3944 |
| 3945 __ jump(RuntimeAddress(StubRoutines::forward_exception_entry())); | |
| 3946 | |
| 3947 // No exception case | |
| 3948 __ bind(noException); | |
| 3949 | |
| 3950 // Normal exit, restore registers and exit. | |
|
6792
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
3951 RegisterSaver::restore_live_registers(masm, save_vectors); |
| 0 | 3952 |
| 3953 __ ret(0); | |
| 3954 | |
| 3955 // Make sure all code is generated | |
| 3956 masm->flush(); | |
| 3957 | |
| 3958 // Fill-out other meta info | |
| 3959 return SafepointBlob::create(&buffer, oop_maps, frame_size_in_words); | |
| 3960 } | |
| 3961 | |
| 3962 // | |
| 3963 // generate_resolve_blob - call resolution (static/virtual/opt-virtual/ic-miss | |
| 3964 // | |
| 3965 // Generate a stub that calls into vm to find out the proper destination | |
| 3966 // of a java call. All the argument registers are live at this point | |
| 3967 // but since this is generic code we don't know what they are and the caller | |
| 3968 // must do any gc of the args. | |
| 3969 // | |
|
3442
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
3970 RuntimeStub* SharedRuntime::generate_resolve_blob(address destination, const char* name) { |
| 0 | 3971 assert (StubRoutines::forward_exception_entry() != NULL, "must be generated before"); |
| 3972 | |
| 3973 // allocate space for the code | |
| 3974 ResourceMark rm; | |
| 3975 | |
| 3976 CodeBuffer buffer(name, 1000, 512); | |
| 3977 MacroAssembler* masm = new MacroAssembler(&buffer); | |
| 3978 | |
| 3979 int frame_size_in_words; | |
| 3980 | |
| 3981 OopMapSet *oop_maps = new OopMapSet(); | |
| 3982 OopMap* map = NULL; | |
| 3983 | |
| 3984 int start = __ offset(); | |
| 3985 | |
| 3986 map = RegisterSaver::save_live_registers(masm, 0, &frame_size_in_words); | |
| 3987 | |
| 3988 int frame_complete = __ offset(); | |
| 3989 | |
| 3990 __ set_last_Java_frame(noreg, noreg, NULL); | |
| 3991 | |
| 304 | 3992 __ mov(c_rarg0, r15_thread); |
| 0 | 3993 |
| 3994 __ call(RuntimeAddress(destination)); | |
| 3995 | |
| 3996 | |
| 3997 // Set an oopmap for the call site. | |
| 3998 // We need this not only for callee-saved registers, but also for volatile | |
| 3999 // registers that the compiler might be keeping live across a safepoint. | |
| 4000 | |
| 4001 oop_maps->add_gc_map( __ offset() - start, map); | |
| 4002 | |
| 4003 // rax contains the address we are going to jump to assuming no exception got installed | |
| 4004 | |
| 4005 // clear last_Java_sp | |
| 4006 __ reset_last_Java_frame(false, false); | |
| 4007 // check for pending exceptions | |
| 4008 Label pending; | |
| 304 | 4009 __ cmpptr(Address(r15_thread, Thread::pending_exception_offset()), (int32_t)NULL_WORD); |
| 0 | 4010 __ jcc(Assembler::notEqual, pending); |
| 4011 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4012 // get the returned Method* |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
4013 __ get_vm_result_2(rbx, r15_thread); |
| 304 | 4014 __ movptr(Address(rsp, RegisterSaver::rbx_offset_in_bytes()), rbx); |
| 4015 | |
| 4016 __ movptr(Address(rsp, RegisterSaver::rax_offset_in_bytes()), rax); | |
| 0 | 4017 |
| 4018 RegisterSaver::restore_live_registers(masm); | |
| 4019 | |
| 4020 // We are back the the original state on entry and ready to go. | |
| 4021 | |
| 4022 __ jmp(rax); | |
| 4023 | |
| 4024 // Pending exception after the safepoint | |
| 4025 | |
| 4026 __ bind(pending); | |
| 4027 | |
| 4028 RegisterSaver::restore_live_registers(masm); | |
| 4029 | |
| 4030 // exception pending => remove activation and forward to exception handler | |
| 4031 | |
| 4032 __ movptr(Address(r15_thread, JavaThread::vm_result_offset()), (int)NULL_WORD); | |
| 4033 | |
| 304 | 4034 __ movptr(rax, Address(r15_thread, Thread::pending_exception_offset())); |
| 0 | 4035 __ jump(RuntimeAddress(StubRoutines::forward_exception_entry())); |
| 4036 | |
| 4037 // ------------- | |
| 4038 // make sure all code is generated | |
| 4039 masm->flush(); | |
| 4040 | |
| 4041 // return the blob | |
| 4042 // frame_size_words or bytes?? | |
| 4043 return RuntimeStub::new_runtime_stub(name, &buffer, frame_complete, frame_size_in_words, oop_maps, true); | |
| 4044 } | |
| 4045 | |
| 4046 | |
| 4047 #ifdef COMPILER2 | |
| 4048 // This is here instead of runtime_x86_64.cpp because it uses SimpleRuntimeFrame | |
| 4049 // | |
| 4050 //------------------------------generate_exception_blob--------------------------- | |
| 4051 // creates exception blob at the end | |
| 4052 // Using exception blob, this code is jumped from a compiled method. | |
| 4053 // (see emit_exception_handler in x86_64.ad file) | |
| 4054 // | |
| 4055 // Given an exception pc at a call we call into the runtime for the | |
| 4056 // handler in this method. This handler might merely restore state | |
| 4057 // (i.e. callee save registers) unwind the frame and jump to the | |
| 4058 // exception handler for the nmethod if there is no Java level handler | |
| 4059 // for the nmethod. | |
| 4060 // | |
| 4061 // This code is entered with a jmp. | |
| 4062 // | |
| 4063 // Arguments: | |
| 4064 // rax: exception oop | |
| 4065 // rdx: exception pc | |
| 4066 // | |
| 4067 // Results: | |
| 4068 // rax: exception oop | |
| 4069 // rdx: exception pc in caller or ??? | |
| 4070 // destination: exception handler of caller | |
| 4071 // | |
| 4072 // Note: the exception pc MUST be at a call (precise debug information) | |
| 4073 // Registers rax, rdx, rcx, rsi, rdi, r8-r11 are not callee saved. | |
| 4074 // | |
| 4075 | |
| 4076 void OptoRuntime::generate_exception_blob() { | |
| 4077 assert(!OptoRuntime::is_callee_saved_register(RDX_num), ""); | |
| 4078 assert(!OptoRuntime::is_callee_saved_register(RAX_num), ""); | |
| 4079 assert(!OptoRuntime::is_callee_saved_register(RCX_num), ""); | |
| 4080 | |
| 4081 assert(SimpleRuntimeFrame::framesize % 4 == 0, "sp not 16-byte aligned"); | |
| 4082 | |
| 4083 // Allocate space for the code | |
| 4084 ResourceMark rm; | |
| 4085 // Setup code generation tools | |
| 4086 CodeBuffer buffer("exception_blob", 2048, 1024); | |
| 4087 MacroAssembler* masm = new MacroAssembler(&buffer); | |
| 4088 | |
| 4089 | |
| 4090 address start = __ pc(); | |
| 4091 | |
| 4092 // Exception pc is 'return address' for stack walker | |
| 304 | 4093 __ push(rdx); |
| 4094 __ subptr(rsp, SimpleRuntimeFrame::return_off << LogBytesPerInt); // Prolog | |
| 0 | 4095 |
| 4096 // Save callee-saved registers. See x86_64.ad. | |
| 4097 | |
| 4098 // rbp is an implicitly saved callee saved register (i.e. the calling | |
| 4099 // convention will save restore it in prolog/epilog) Other than that | |
| 4100 // there are no callee save registers now that adapter frames are gone. | |
| 4101 | |
| 304 | 4102 __ movptr(Address(rsp, SimpleRuntimeFrame::rbp_off << LogBytesPerInt), rbp); |
| 0 | 4103 |
| 4104 // Store exception in Thread object. We cannot pass any arguments to the | |
| 4105 // handle_exception call, since we do not want to make any assumption | |
| 4106 // about the size of the frame where the exception happened in. | |
| 4107 // c_rarg0 is either rdi (Linux) or rcx (Windows). | |
| 304 | 4108 __ movptr(Address(r15_thread, JavaThread::exception_oop_offset()),rax); |
| 4109 __ movptr(Address(r15_thread, JavaThread::exception_pc_offset()), rdx); | |
| 0 | 4110 |
| 4111 // This call does all the hard work. It checks if an exception handler | |
| 4112 // exists in the method. | |
| 4113 // If so, it returns the handler address. | |
| 4114 // If not, it prepares for stack-unwinding, restoring the callee-save | |
| 4115 // registers of the frame being removed. | |
| 4116 // | |
| 4117 // address OptoRuntime::handle_exception_C(JavaThread* thread) | |
| 4118 | |
|
5904
bf7796b7367a
7148486: At a method handle call returning with an exception may call the runtime with misaligned stack (x64)
roland
parents:
4873
diff
changeset
|
4119 // At a method handle call, the stack may not be properly aligned |
|
bf7796b7367a
7148486: At a method handle call returning with an exception may call the runtime with misaligned stack (x64)
roland
parents:
4873
diff
changeset
|
4120 // when returning with an exception. |
|
bf7796b7367a
7148486: At a method handle call returning with an exception may call the runtime with misaligned stack (x64)
roland
parents:
4873
diff
changeset
|
4121 address the_pc = __ pc(); |
|
bf7796b7367a
7148486: At a method handle call returning with an exception may call the runtime with misaligned stack (x64)
roland
parents:
4873
diff
changeset
|
4122 __ set_last_Java_frame(noreg, noreg, the_pc); |
| 304 | 4123 __ mov(c_rarg0, r15_thread); |
|
5904
bf7796b7367a
7148486: At a method handle call returning with an exception may call the runtime with misaligned stack (x64)
roland
parents:
4873
diff
changeset
|
4124 __ andptr(rsp, -(StackAlignmentInBytes)); // Align stack |
| 0 | 4125 __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, OptoRuntime::handle_exception_C))); |
| 4126 | |
| 4127 // Set an oopmap for the call site. This oopmap will only be used if we | |
| 4128 // are unwinding the stack. Hence, all locations will be dead. | |
| 4129 // Callee-saved registers will be the same as the frame above (i.e., | |
| 4130 // handle_exception_stub), since they were restored when we got the | |
| 4131 // exception. | |
| 4132 | |
| 4133 OopMapSet* oop_maps = new OopMapSet(); | |
| 4134 | |
|
5904
bf7796b7367a
7148486: At a method handle call returning with an exception may call the runtime with misaligned stack (x64)
roland
parents:
4873
diff
changeset
|
4135 oop_maps->add_gc_map(the_pc - start, new OopMap(SimpleRuntimeFrame::framesize, 0)); |
|
bf7796b7367a
7148486: At a method handle call returning with an exception may call the runtime with misaligned stack (x64)
roland
parents:
4873
diff
changeset
|
4136 |
|
bf7796b7367a
7148486: At a method handle call returning with an exception may call the runtime with misaligned stack (x64)
roland
parents:
4873
diff
changeset
|
4137 __ reset_last_Java_frame(false, true); |
| 0 | 4138 |
| 4139 // Restore callee-saved registers | |
| 4140 | |
| 4141 // rbp is an implicitly saved callee saved register (i.e. the calling | |
| 4142 // convention will save restore it in prolog/epilog) Other than that | |
| 4143 // there are no callee save registers no that adapter frames are gone. | |
| 4144 | |
| 304 | 4145 __ movptr(rbp, Address(rsp, SimpleRuntimeFrame::rbp_off << LogBytesPerInt)); |
| 4146 | |
| 4147 __ addptr(rsp, SimpleRuntimeFrame::return_off << LogBytesPerInt); // Epilog | |
| 4148 __ pop(rdx); // No need for exception pc anymore | |
| 0 | 4149 |
| 4150 // rax: exception handler | |
| 4151 | |
|
1368
93767e6a2dfd
6941529: SharedRuntime::raw_exception_handler_for_return_address must reset thread MethodHandle flag
twisti
parents:
1187
diff
changeset
|
4152 // Restore SP from BP if the exception PC is a MethodHandle call site. |
|
93767e6a2dfd
6941529: SharedRuntime::raw_exception_handler_for_return_address must reset thread MethodHandle flag
twisti
parents:
1187
diff
changeset
|
4153 __ cmpl(Address(r15_thread, JavaThread::is_method_handle_return_offset()), 0); |
| 1567 | 4154 __ cmovptr(Assembler::notEqual, rsp, rbp_mh_SP_save); |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
848
diff
changeset
|
4155 |
| 0 | 4156 // We have a handler in rax (could be deopt blob). |
| 304 | 4157 __ mov(r8, rax); |
| 0 | 4158 |
| 4159 // Get the exception oop | |
| 304 | 4160 __ movptr(rax, Address(r15_thread, JavaThread::exception_oop_offset())); |
| 0 | 4161 // Get the exception pc in case we are deoptimized |
| 304 | 4162 __ movptr(rdx, Address(r15_thread, JavaThread::exception_pc_offset())); |
| 0 | 4163 #ifdef ASSERT |
| 4164 __ movptr(Address(r15_thread, JavaThread::exception_handler_pc_offset()), (int)NULL_WORD); | |
| 4165 __ movptr(Address(r15_thread, JavaThread::exception_pc_offset()), (int)NULL_WORD); | |
| 4166 #endif | |
| 4167 // Clear the exception oop so GC no longer processes it as a root. | |
| 4168 __ movptr(Address(r15_thread, JavaThread::exception_oop_offset()), (int)NULL_WORD); | |
| 4169 | |
| 4170 // rax: exception oop | |
| 4171 // r8: exception handler | |
| 4172 // rdx: exception pc | |
| 4173 // Jump to handler | |
| 4174 | |
| 4175 __ jmp(r8); | |
| 4176 | |
| 4177 // Make sure all code is generated | |
| 4178 masm->flush(); | |
| 4179 | |
| 4180 // Set exception blob | |
| 4181 _exception_blob = ExceptionBlob::create(&buffer, oop_maps, SimpleRuntimeFrame::framesize >> 1); | |
| 4182 } | |
| 4183 #endif // COMPILER2 |