Mercurial > hg > graal-compiler
annotate src/cpu/x86/vm/c1_Runtime1_x86.cpp @ 8699:65b797426a3b jdk8-b81
Added tag hs25-b22 for changeset dd6350b4abc4
author | amurillo |
---|---|
date | Fri, 08 Mar 2013 08:10:01 -0800 |
parents | db9981fd3124 |
children | 5fc51c1ecdeb 46f6f063b272 |
rev | line source |
---|---|
0 | 1 /* |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
5904
diff
changeset
|
2 * Copyright (c) 1999, 2012, 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:
1368
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1368
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:
1368
diff
changeset
|
21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #include "precompiled.hpp" |
2415
09f96c3ff1ad
7032388: guarantee(VM_Version::supports_cmov()) failed: illegal instruction on i586 after 6919934
twisti
parents:
2321
diff
changeset
|
26 #include "asm/assembler.hpp" |
1972 | 27 #include "c1/c1_Defs.hpp" |
28 #include "c1/c1_MacroAssembler.hpp" | |
29 #include "c1/c1_Runtime1.hpp" | |
30 #include "interpreter/interpreter.hpp" | |
31 #include "nativeInst_x86.hpp" | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
5904
diff
changeset
|
32 #include "oops/compiledICHolder.hpp" |
1972 | 33 #include "oops/oop.inline.hpp" |
34 #include "prims/jvmtiExport.hpp" | |
35 #include "register_x86.hpp" | |
36 #include "runtime/sharedRuntime.hpp" | |
37 #include "runtime/signature.hpp" | |
38 #include "runtime/vframeArray.hpp" | |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
6725
diff
changeset
|
39 #include "utilities/macros.hpp" |
1972 | 40 #include "vmreg_x86.inline.hpp" |
0 | 41 |
42 | |
43 // Implementation of StubAssembler | |
44 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
5904
diff
changeset
|
45 int StubAssembler::call_RT(Register oop_result1, Register metadata_result, address entry, int args_size) { |
0 | 46 // setup registers |
304 | 47 const Register thread = NOT_LP64(rdi) LP64_ONLY(r15_thread); // is callee-saved register (Visual C++ calling conventions) |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
5904
diff
changeset
|
48 assert(!(oop_result1->is_valid() || metadata_result->is_valid()) || oop_result1 != metadata_result, "registers must be different"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
5904
diff
changeset
|
49 assert(oop_result1 != thread && metadata_result != thread, "registers must be different"); |
0 | 50 assert(args_size >= 0, "illegal args_size"); |
5904
bf7796b7367a
7148486: At a method handle call returning with an exception may call the runtime with misaligned stack (x64)
roland
parents:
4771
diff
changeset
|
51 bool align_stack = false; |
bf7796b7367a
7148486: At a method handle call returning with an exception may call the runtime with misaligned stack (x64)
roland
parents:
4771
diff
changeset
|
52 #ifdef _LP64 |
bf7796b7367a
7148486: At a method handle call returning with an exception may call the runtime with misaligned stack (x64)
roland
parents:
4771
diff
changeset
|
53 // 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:
4771
diff
changeset
|
54 // 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:
4771
diff
changeset
|
55 align_stack = (stub_id() == Runtime1::handle_exception_from_callee_id); |
bf7796b7367a
7148486: At a method handle call returning with an exception may call the runtime with misaligned stack (x64)
roland
parents:
4771
diff
changeset
|
56 #endif |
0 | 57 |
304 | 58 #ifdef _LP64 |
59 mov(c_rarg0, thread); | |
60 set_num_rt_args(0); // Nothing on stack | |
61 #else | |
0 | 62 set_num_rt_args(1 + args_size); |
63 | |
64 // push java thread (becomes first argument of C function) | |
65 get_thread(thread); | |
304 | 66 push(thread); |
67 #endif // _LP64 | |
0 | 68 |
5904
bf7796b7367a
7148486: At a method handle call returning with an exception may call the runtime with misaligned stack (x64)
roland
parents:
4771
diff
changeset
|
69 int call_offset; |
bf7796b7367a
7148486: At a method handle call returning with an exception may call the runtime with misaligned stack (x64)
roland
parents:
4771
diff
changeset
|
70 if (!align_stack) { |
bf7796b7367a
7148486: At a method handle call returning with an exception may call the runtime with misaligned stack (x64)
roland
parents:
4771
diff
changeset
|
71 set_last_Java_frame(thread, noreg, rbp, NULL); |
bf7796b7367a
7148486: At a method handle call returning with an exception may call the runtime with misaligned stack (x64)
roland
parents:
4771
diff
changeset
|
72 } else { |
bf7796b7367a
7148486: At a method handle call returning with an exception may call the runtime with misaligned stack (x64)
roland
parents:
4771
diff
changeset
|
73 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:
4771
diff
changeset
|
74 call_offset = offset(); |
bf7796b7367a
7148486: At a method handle call returning with an exception may call the runtime with misaligned stack (x64)
roland
parents:
4771
diff
changeset
|
75 set_last_Java_frame(thread, noreg, rbp, the_pc); |
bf7796b7367a
7148486: At a method handle call returning with an exception may call the runtime with misaligned stack (x64)
roland
parents:
4771
diff
changeset
|
76 andptr(rsp, -(StackAlignmentInBytes)); // Align stack |
bf7796b7367a
7148486: At a method handle call returning with an exception may call the runtime with misaligned stack (x64)
roland
parents:
4771
diff
changeset
|
77 } |
304 | 78 |
0 | 79 // do the call |
80 call(RuntimeAddress(entry)); | |
5904
bf7796b7367a
7148486: At a method handle call returning with an exception may call the runtime with misaligned stack (x64)
roland
parents:
4771
diff
changeset
|
81 if (!align_stack) { |
bf7796b7367a
7148486: At a method handle call returning with an exception may call the runtime with misaligned stack (x64)
roland
parents:
4771
diff
changeset
|
82 call_offset = offset(); |
bf7796b7367a
7148486: At a method handle call returning with an exception may call the runtime with misaligned stack (x64)
roland
parents:
4771
diff
changeset
|
83 } |
0 | 84 // verify callee-saved register |
85 #ifdef ASSERT | |
86 guarantee(thread != rax, "change this code"); | |
304 | 87 push(rax); |
0 | 88 { Label L; |
89 get_thread(rax); | |
304 | 90 cmpptr(thread, rax); |
0 | 91 jcc(Assembler::equal, L); |
92 int3(); | |
93 stop("StubAssembler::call_RT: rdi not callee saved?"); | |
94 bind(L); | |
95 } | |
304 | 96 pop(rax); |
0 | 97 #endif |
5904
bf7796b7367a
7148486: At a method handle call returning with an exception may call the runtime with misaligned stack (x64)
roland
parents:
4771
diff
changeset
|
98 reset_last_Java_frame(thread, true, align_stack); |
0 | 99 |
100 // discard thread and arguments | |
304 | 101 NOT_LP64(addptr(rsp, num_rt_args()*BytesPerWord)); |
0 | 102 |
103 // check for pending exceptions | |
104 { Label L; | |
304 | 105 cmpptr(Address(thread, Thread::pending_exception_offset()), (int32_t)NULL_WORD); |
0 | 106 jcc(Assembler::equal, L); |
107 // exception pending => remove activation and forward to exception handler | |
304 | 108 movptr(rax, Address(thread, Thread::pending_exception_offset())); |
0 | 109 // make sure that the vm_results are cleared |
110 if (oop_result1->is_valid()) { | |
512
db4caa99ef11
6787106: Hotspot 32 bit build fails on platforms having different definitions for intptr_t & int32_t
xlu
parents:
380
diff
changeset
|
111 movptr(Address(thread, JavaThread::vm_result_offset()), NULL_WORD); |
0 | 112 } |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
5904
diff
changeset
|
113 if (metadata_result->is_valid()) { |
512
db4caa99ef11
6787106: Hotspot 32 bit build fails on platforms having different definitions for intptr_t & int32_t
xlu
parents:
380
diff
changeset
|
114 movptr(Address(thread, JavaThread::vm_result_2_offset()), NULL_WORD); |
0 | 115 } |
116 if (frame_size() == no_frame_size) { | |
117 leave(); | |
118 jump(RuntimeAddress(StubRoutines::forward_exception_entry())); | |
119 } else if (_stub_id == Runtime1::forward_exception_id) { | |
120 should_not_reach_here(); | |
121 } else { | |
122 jump(RuntimeAddress(Runtime1::entry_for(Runtime1::forward_exception_id))); | |
123 } | |
124 bind(L); | |
125 } | |
126 // get oop results if there are any and reset the values in the thread | |
127 if (oop_result1->is_valid()) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
5904
diff
changeset
|
128 get_vm_result(oop_result1, thread); |
0 | 129 } |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
5904
diff
changeset
|
130 if (metadata_result->is_valid()) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
5904
diff
changeset
|
131 get_vm_result_2(metadata_result, thread); |
0 | 132 } |
133 return call_offset; | |
134 } | |
135 | |
136 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
5904
diff
changeset
|
137 int StubAssembler::call_RT(Register oop_result1, Register metadata_result, address entry, Register arg1) { |
304 | 138 #ifdef _LP64 |
139 mov(c_rarg1, arg1); | |
140 #else | |
141 push(arg1); | |
142 #endif // _LP64 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
5904
diff
changeset
|
143 return call_RT(oop_result1, metadata_result, entry, 1); |
0 | 144 } |
145 | |
146 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
5904
diff
changeset
|
147 int StubAssembler::call_RT(Register oop_result1, Register metadata_result, address entry, Register arg1, Register arg2) { |
304 | 148 #ifdef _LP64 |
149 if (c_rarg1 == arg2) { | |
150 if (c_rarg2 == arg1) { | |
151 xchgq(arg1, arg2); | |
152 } else { | |
153 mov(c_rarg2, arg2); | |
154 mov(c_rarg1, arg1); | |
155 } | |
156 } else { | |
157 mov(c_rarg1, arg1); | |
158 mov(c_rarg2, arg2); | |
159 } | |
160 #else | |
161 push(arg2); | |
162 push(arg1); | |
163 #endif // _LP64 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
5904
diff
changeset
|
164 return call_RT(oop_result1, metadata_result, entry, 2); |
0 | 165 } |
166 | |
167 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
5904
diff
changeset
|
168 int StubAssembler::call_RT(Register oop_result1, Register metadata_result, address entry, Register arg1, Register arg2, Register arg3) { |
304 | 169 #ifdef _LP64 |
170 // if there is any conflict use the stack | |
171 if (arg1 == c_rarg2 || arg1 == c_rarg3 || | |
172 arg2 == c_rarg1 || arg1 == c_rarg3 || | |
173 arg3 == c_rarg1 || arg1 == c_rarg2) { | |
174 push(arg3); | |
175 push(arg2); | |
176 push(arg1); | |
177 pop(c_rarg1); | |
178 pop(c_rarg2); | |
179 pop(c_rarg3); | |
180 } else { | |
181 mov(c_rarg1, arg1); | |
182 mov(c_rarg2, arg2); | |
183 mov(c_rarg3, arg3); | |
184 } | |
185 #else | |
186 push(arg3); | |
187 push(arg2); | |
188 push(arg1); | |
189 #endif // _LP64 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
5904
diff
changeset
|
190 return call_RT(oop_result1, metadata_result, entry, 3); |
0 | 191 } |
192 | |
193 | |
194 // Implementation of StubFrame | |
195 | |
196 class StubFrame: public StackObj { | |
197 private: | |
198 StubAssembler* _sasm; | |
199 | |
200 public: | |
201 StubFrame(StubAssembler* sasm, const char* name, bool must_gc_arguments); | |
202 void load_argument(int offset_in_words, Register reg); | |
203 | |
204 ~StubFrame(); | |
205 }; | |
206 | |
207 | |
208 #define __ _sasm-> | |
209 | |
210 StubFrame::StubFrame(StubAssembler* sasm, const char* name, bool must_gc_arguments) { | |
211 _sasm = sasm; | |
212 __ set_info(name, must_gc_arguments); | |
213 __ enter(); | |
214 } | |
215 | |
216 // load parameters that were stored with LIR_Assembler::store_parameter | |
217 // Note: offsets for store_parameter and load_argument must match | |
218 void StubFrame::load_argument(int offset_in_words, Register reg) { | |
219 // rbp, + 0: link | |
220 // + 1: return address | |
221 // + 2: argument with offset 0 | |
222 // + 3: argument with offset 1 | |
223 // + 4: ... | |
224 | |
304 | 225 __ movptr(reg, Address(rbp, (offset_in_words + 2) * BytesPerWord)); |
0 | 226 } |
227 | |
228 | |
229 StubFrame::~StubFrame() { | |
230 __ leave(); | |
231 __ ret(0); | |
232 } | |
233 | |
234 #undef __ | |
235 | |
236 | |
237 // Implementation of Runtime1 | |
238 | |
239 #define __ sasm-> | |
240 | |
304 | 241 const int float_regs_as_doubles_size_in_slots = pd_nof_fpu_regs_frame_map * 2; |
242 const int xmm_regs_as_doubles_size_in_slots = FrameMap::nof_xmm_regs * 2; | |
0 | 243 |
244 // Stack layout for saving/restoring all the registers needed during a runtime | |
245 // call (this includes deoptimization) | |
246 // Note: note that users of this frame may well have arguments to some runtime | |
247 // while these values are on the stack. These positions neglect those arguments | |
248 // but the code in save_live_registers will take the argument count into | |
249 // account. | |
250 // | |
304 | 251 #ifdef _LP64 |
252 #define SLOT2(x) x, | |
253 #define SLOT_PER_WORD 2 | |
254 #else | |
255 #define SLOT2(x) | |
256 #define SLOT_PER_WORD 1 | |
257 #endif // _LP64 | |
258 | |
0 | 259 enum reg_save_layout { |
304 | 260 // 64bit needs to keep stack 16 byte aligned. So we add some alignment dummies to make that |
261 // happen and will assert if the stack size we create is misaligned | |
262 #ifdef _LP64 | |
263 align_dummy_0, align_dummy_1, | |
264 #endif // _LP64 | |
2321
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
265 #ifdef _WIN64 |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
266 // Windows always allocates space for it's argument registers (see |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
267 // frame::arg_reg_save_area_bytes). |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
268 arg_reg_save_1, arg_reg_save_1H, // 0, 4 |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
269 arg_reg_save_2, arg_reg_save_2H, // 8, 12 |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
270 arg_reg_save_3, arg_reg_save_3H, // 16, 20 |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
271 arg_reg_save_4, arg_reg_save_4H, // 24, 28 |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
272 #endif // _WIN64 |
304 | 273 xmm_regs_as_doubles_off, // 32 |
274 float_regs_as_doubles_off = xmm_regs_as_doubles_off + xmm_regs_as_doubles_size_in_slots, // 160 | |
275 fpu_state_off = float_regs_as_doubles_off + float_regs_as_doubles_size_in_slots, // 224 | |
276 // fpu_state_end_off is exclusive | |
277 fpu_state_end_off = fpu_state_off + (FPUStateSizeInWords / SLOT_PER_WORD), // 352 | |
278 marker = fpu_state_end_off, SLOT2(markerH) // 352, 356 | |
279 extra_space_offset, // 360 | |
280 #ifdef _LP64 | |
281 r15_off = extra_space_offset, r15H_off, // 360, 364 | |
282 r14_off, r14H_off, // 368, 372 | |
283 r13_off, r13H_off, // 376, 380 | |
284 r12_off, r12H_off, // 384, 388 | |
285 r11_off, r11H_off, // 392, 396 | |
286 r10_off, r10H_off, // 400, 404 | |
287 r9_off, r9H_off, // 408, 412 | |
288 r8_off, r8H_off, // 416, 420 | |
289 rdi_off, rdiH_off, // 424, 428 | |
290 #else | |
0 | 291 rdi_off = extra_space_offset, |
304 | 292 #endif // _LP64 |
293 rsi_off, SLOT2(rsiH_off) // 432, 436 | |
294 rbp_off, SLOT2(rbpH_off) // 440, 444 | |
295 rsp_off, SLOT2(rspH_off) // 448, 452 | |
296 rbx_off, SLOT2(rbxH_off) // 456, 460 | |
297 rdx_off, SLOT2(rdxH_off) // 464, 468 | |
298 rcx_off, SLOT2(rcxH_off) // 472, 476 | |
299 rax_off, SLOT2(raxH_off) // 480, 484 | |
300 saved_rbp_off, SLOT2(saved_rbpH_off) // 488, 492 | |
301 return_off, SLOT2(returnH_off) // 496, 500 | |
2321
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
302 reg_save_frame_size // As noted: neglects any parameters to runtime // 504 |
0 | 303 }; |
304 | |
305 | |
306 | |
307 // Save off registers which might be killed by calls into the runtime. | |
308 // Tries to smart of about FP registers. In particular we separate | |
309 // saving and describing the FPU registers for deoptimization since we | |
310 // have to save the FPU registers twice if we describe them and on P4 | |
311 // saving FPU registers which don't contain anything appears | |
312 // expensive. The deopt blob is the only thing which needs to | |
313 // describe FPU registers. In all other cases it should be sufficient | |
314 // to simply save their current value. | |
315 | |
316 static OopMap* generate_oop_map(StubAssembler* sasm, int num_rt_args, | |
317 bool save_fpu_registers = true) { | |
304 | 318 |
319 // In 64bit all the args are in regs so there are no additional stack slots | |
320 LP64_ONLY(num_rt_args = 0); | |
321 LP64_ONLY(assert((reg_save_frame_size * VMRegImpl::stack_slot_size) % 16 == 0, "must be 16 byte aligned");) | |
322 int frame_size_in_slots = reg_save_frame_size + num_rt_args; // args + thread | |
323 sasm->set_frame_size(frame_size_in_slots / VMRegImpl::slots_per_word ); | |
0 | 324 |
325 // record saved value locations in an OopMap | |
326 // locations are offsets from sp after runtime call; num_rt_args is number of arguments in call, including thread | |
304 | 327 OopMap* map = new OopMap(frame_size_in_slots, 0); |
0 | 328 map->set_callee_saved(VMRegImpl::stack2reg(rax_off + num_rt_args), rax->as_VMReg()); |
329 map->set_callee_saved(VMRegImpl::stack2reg(rcx_off + num_rt_args), rcx->as_VMReg()); | |
330 map->set_callee_saved(VMRegImpl::stack2reg(rdx_off + num_rt_args), rdx->as_VMReg()); | |
331 map->set_callee_saved(VMRegImpl::stack2reg(rbx_off + num_rt_args), rbx->as_VMReg()); | |
332 map->set_callee_saved(VMRegImpl::stack2reg(rsi_off + num_rt_args), rsi->as_VMReg()); | |
333 map->set_callee_saved(VMRegImpl::stack2reg(rdi_off + num_rt_args), rdi->as_VMReg()); | |
304 | 334 #ifdef _LP64 |
335 map->set_callee_saved(VMRegImpl::stack2reg(r8_off + num_rt_args), r8->as_VMReg()); | |
336 map->set_callee_saved(VMRegImpl::stack2reg(r9_off + num_rt_args), r9->as_VMReg()); | |
337 map->set_callee_saved(VMRegImpl::stack2reg(r10_off + num_rt_args), r10->as_VMReg()); | |
338 map->set_callee_saved(VMRegImpl::stack2reg(r11_off + num_rt_args), r11->as_VMReg()); | |
339 map->set_callee_saved(VMRegImpl::stack2reg(r12_off + num_rt_args), r12->as_VMReg()); | |
340 map->set_callee_saved(VMRegImpl::stack2reg(r13_off + num_rt_args), r13->as_VMReg()); | |
341 map->set_callee_saved(VMRegImpl::stack2reg(r14_off + num_rt_args), r14->as_VMReg()); | |
342 map->set_callee_saved(VMRegImpl::stack2reg(r15_off + num_rt_args), r15->as_VMReg()); | |
343 | |
344 // This is stupid but needed. | |
345 map->set_callee_saved(VMRegImpl::stack2reg(raxH_off + num_rt_args), rax->as_VMReg()->next()); | |
346 map->set_callee_saved(VMRegImpl::stack2reg(rcxH_off + num_rt_args), rcx->as_VMReg()->next()); | |
347 map->set_callee_saved(VMRegImpl::stack2reg(rdxH_off + num_rt_args), rdx->as_VMReg()->next()); | |
348 map->set_callee_saved(VMRegImpl::stack2reg(rbxH_off + num_rt_args), rbx->as_VMReg()->next()); | |
349 map->set_callee_saved(VMRegImpl::stack2reg(rsiH_off + num_rt_args), rsi->as_VMReg()->next()); | |
350 map->set_callee_saved(VMRegImpl::stack2reg(rdiH_off + num_rt_args), rdi->as_VMReg()->next()); | |
351 | |
352 map->set_callee_saved(VMRegImpl::stack2reg(r8H_off + num_rt_args), r8->as_VMReg()->next()); | |
353 map->set_callee_saved(VMRegImpl::stack2reg(r9H_off + num_rt_args), r9->as_VMReg()->next()); | |
354 map->set_callee_saved(VMRegImpl::stack2reg(r10H_off + num_rt_args), r10->as_VMReg()->next()); | |
355 map->set_callee_saved(VMRegImpl::stack2reg(r11H_off + num_rt_args), r11->as_VMReg()->next()); | |
356 map->set_callee_saved(VMRegImpl::stack2reg(r12H_off + num_rt_args), r12->as_VMReg()->next()); | |
357 map->set_callee_saved(VMRegImpl::stack2reg(r13H_off + num_rt_args), r13->as_VMReg()->next()); | |
358 map->set_callee_saved(VMRegImpl::stack2reg(r14H_off + num_rt_args), r14->as_VMReg()->next()); | |
359 map->set_callee_saved(VMRegImpl::stack2reg(r15H_off + num_rt_args), r15->as_VMReg()->next()); | |
360 #endif // _LP64 | |
0 | 361 |
362 if (save_fpu_registers) { | |
363 if (UseSSE < 2) { | |
364 int fpu_off = float_regs_as_doubles_off; | |
365 for (int n = 0; n < FrameMap::nof_fpu_regs; n++) { | |
366 VMReg fpu_name_0 = FrameMap::fpu_regname(n); | |
367 map->set_callee_saved(VMRegImpl::stack2reg(fpu_off + num_rt_args), fpu_name_0); | |
368 // %%% This is really a waste but we'll keep things as they were for now | |
369 if (true) { | |
370 map->set_callee_saved(VMRegImpl::stack2reg(fpu_off + 1 + num_rt_args), fpu_name_0->next()); | |
371 } | |
372 fpu_off += 2; | |
373 } | |
374 assert(fpu_off == fpu_state_off, "incorrect number of fpu stack slots"); | |
375 } | |
376 | |
377 if (UseSSE >= 2) { | |
378 int xmm_off = xmm_regs_as_doubles_off; | |
379 for (int n = 0; n < FrameMap::nof_xmm_regs; n++) { | |
380 VMReg xmm_name_0 = as_XMMRegister(n)->as_VMReg(); | |
381 map->set_callee_saved(VMRegImpl::stack2reg(xmm_off + num_rt_args), xmm_name_0); | |
382 // %%% This is really a waste but we'll keep things as they were for now | |
383 if (true) { | |
384 map->set_callee_saved(VMRegImpl::stack2reg(xmm_off + 1 + num_rt_args), xmm_name_0->next()); | |
385 } | |
386 xmm_off += 2; | |
387 } | |
388 assert(xmm_off == float_regs_as_doubles_off, "incorrect number of xmm registers"); | |
389 | |
390 } else if (UseSSE == 1) { | |
391 int xmm_off = xmm_regs_as_doubles_off; | |
392 for (int n = 0; n < FrameMap::nof_xmm_regs; n++) { | |
393 VMReg xmm_name_0 = as_XMMRegister(n)->as_VMReg(); | |
394 map->set_callee_saved(VMRegImpl::stack2reg(xmm_off + num_rt_args), xmm_name_0); | |
395 xmm_off += 2; | |
396 } | |
397 assert(xmm_off == float_regs_as_doubles_off, "incorrect number of xmm registers"); | |
398 } | |
399 } | |
400 | |
401 return map; | |
402 } | |
403 | |
404 static OopMap* save_live_registers(StubAssembler* sasm, int num_rt_args, | |
405 bool save_fpu_registers = true) { | |
406 __ block_comment("save_live_registers"); | |
407 | |
304 | 408 __ pusha(); // integer registers |
0 | 409 |
410 // assert(float_regs_as_doubles_off % 2 == 0, "misaligned offset"); | |
411 // assert(xmm_regs_as_doubles_off % 2 == 0, "misaligned offset"); | |
412 | |
304 | 413 __ subptr(rsp, extra_space_offset * VMRegImpl::stack_slot_size); |
0 | 414 |
415 #ifdef ASSERT | |
304 | 416 __ movptr(Address(rsp, marker * VMRegImpl::stack_slot_size), (int32_t)0xfeedbeef); |
0 | 417 #endif |
418 | |
419 if (save_fpu_registers) { | |
420 if (UseSSE < 2) { | |
421 // save FPU stack | |
304 | 422 __ fnsave(Address(rsp, fpu_state_off * VMRegImpl::stack_slot_size)); |
0 | 423 __ fwait(); |
424 | |
425 #ifdef ASSERT | |
426 Label ok; | |
304 | 427 __ cmpw(Address(rsp, fpu_state_off * VMRegImpl::stack_slot_size), StubRoutines::fpu_cntrl_wrd_std()); |
0 | 428 __ jccb(Assembler::equal, ok); |
429 __ stop("corrupted control word detected"); | |
430 __ bind(ok); | |
431 #endif | |
432 | |
433 // Reset the control word to guard against exceptions being unmasked | |
434 // since fstp_d can cause FPU stack underflow exceptions. Write it | |
435 // into the on stack copy and then reload that to make sure that the | |
436 // current and future values are correct. | |
304 | 437 __ movw(Address(rsp, fpu_state_off * VMRegImpl::stack_slot_size), StubRoutines::fpu_cntrl_wrd_std()); |
438 __ frstor(Address(rsp, fpu_state_off * VMRegImpl::stack_slot_size)); | |
0 | 439 |
440 // Save the FPU registers in de-opt-able form | |
304 | 441 __ fstp_d(Address(rsp, float_regs_as_doubles_off * VMRegImpl::stack_slot_size + 0)); |
442 __ fstp_d(Address(rsp, float_regs_as_doubles_off * VMRegImpl::stack_slot_size + 8)); | |
443 __ fstp_d(Address(rsp, float_regs_as_doubles_off * VMRegImpl::stack_slot_size + 16)); | |
444 __ fstp_d(Address(rsp, float_regs_as_doubles_off * VMRegImpl::stack_slot_size + 24)); | |
445 __ fstp_d(Address(rsp, float_regs_as_doubles_off * VMRegImpl::stack_slot_size + 32)); | |
446 __ fstp_d(Address(rsp, float_regs_as_doubles_off * VMRegImpl::stack_slot_size + 40)); | |
447 __ fstp_d(Address(rsp, float_regs_as_doubles_off * VMRegImpl::stack_slot_size + 48)); | |
448 __ fstp_d(Address(rsp, float_regs_as_doubles_off * VMRegImpl::stack_slot_size + 56)); | |
0 | 449 } |
450 | |
451 if (UseSSE >= 2) { | |
452 // save XMM registers | |
453 // XMM registers can contain float or double values, but this is not known here, | |
454 // so always save them as doubles. | |
455 // note that float values are _not_ converted automatically, so for float values | |
456 // the second word contains only garbage data. | |
304 | 457 __ movdbl(Address(rsp, xmm_regs_as_doubles_off * VMRegImpl::stack_slot_size + 0), xmm0); |
458 __ movdbl(Address(rsp, xmm_regs_as_doubles_off * VMRegImpl::stack_slot_size + 8), xmm1); | |
459 __ movdbl(Address(rsp, xmm_regs_as_doubles_off * VMRegImpl::stack_slot_size + 16), xmm2); | |
460 __ movdbl(Address(rsp, xmm_regs_as_doubles_off * VMRegImpl::stack_slot_size + 24), xmm3); | |
461 __ movdbl(Address(rsp, xmm_regs_as_doubles_off * VMRegImpl::stack_slot_size + 32), xmm4); | |
462 __ movdbl(Address(rsp, xmm_regs_as_doubles_off * VMRegImpl::stack_slot_size + 40), xmm5); | |
463 __ movdbl(Address(rsp, xmm_regs_as_doubles_off * VMRegImpl::stack_slot_size + 48), xmm6); | |
464 __ movdbl(Address(rsp, xmm_regs_as_doubles_off * VMRegImpl::stack_slot_size + 56), xmm7); | |
465 #ifdef _LP64 | |
466 __ movdbl(Address(rsp, xmm_regs_as_doubles_off * VMRegImpl::stack_slot_size + 64), xmm8); | |
467 __ movdbl(Address(rsp, xmm_regs_as_doubles_off * VMRegImpl::stack_slot_size + 72), xmm9); | |
468 __ movdbl(Address(rsp, xmm_regs_as_doubles_off * VMRegImpl::stack_slot_size + 80), xmm10); | |
469 __ movdbl(Address(rsp, xmm_regs_as_doubles_off * VMRegImpl::stack_slot_size + 88), xmm11); | |
470 __ movdbl(Address(rsp, xmm_regs_as_doubles_off * VMRegImpl::stack_slot_size + 96), xmm12); | |
471 __ movdbl(Address(rsp, xmm_regs_as_doubles_off * VMRegImpl::stack_slot_size + 104), xmm13); | |
472 __ movdbl(Address(rsp, xmm_regs_as_doubles_off * VMRegImpl::stack_slot_size + 112), xmm14); | |
473 __ movdbl(Address(rsp, xmm_regs_as_doubles_off * VMRegImpl::stack_slot_size + 120), xmm15); | |
474 #endif // _LP64 | |
0 | 475 } else if (UseSSE == 1) { |
476 // save XMM registers as float because double not supported without SSE2 | |
304 | 477 __ movflt(Address(rsp, xmm_regs_as_doubles_off * VMRegImpl::stack_slot_size + 0), xmm0); |
478 __ movflt(Address(rsp, xmm_regs_as_doubles_off * VMRegImpl::stack_slot_size + 8), xmm1); | |
479 __ movflt(Address(rsp, xmm_regs_as_doubles_off * VMRegImpl::stack_slot_size + 16), xmm2); | |
480 __ movflt(Address(rsp, xmm_regs_as_doubles_off * VMRegImpl::stack_slot_size + 24), xmm3); | |
481 __ movflt(Address(rsp, xmm_regs_as_doubles_off * VMRegImpl::stack_slot_size + 32), xmm4); | |
482 __ movflt(Address(rsp, xmm_regs_as_doubles_off * VMRegImpl::stack_slot_size + 40), xmm5); | |
483 __ movflt(Address(rsp, xmm_regs_as_doubles_off * VMRegImpl::stack_slot_size + 48), xmm6); | |
484 __ movflt(Address(rsp, xmm_regs_as_doubles_off * VMRegImpl::stack_slot_size + 56), xmm7); | |
0 | 485 } |
486 } | |
487 | |
488 // FPU stack must be empty now | |
489 __ verify_FPU(0, "save_live_registers"); | |
490 | |
491 return generate_oop_map(sasm, num_rt_args, save_fpu_registers); | |
492 } | |
493 | |
494 | |
495 static void restore_fpu(StubAssembler* sasm, bool restore_fpu_registers = true) { | |
496 if (restore_fpu_registers) { | |
497 if (UseSSE >= 2) { | |
498 // restore XMM registers | |
304 | 499 __ movdbl(xmm0, Address(rsp, xmm_regs_as_doubles_off * VMRegImpl::stack_slot_size + 0)); |
500 __ movdbl(xmm1, Address(rsp, xmm_regs_as_doubles_off * VMRegImpl::stack_slot_size + 8)); | |
501 __ movdbl(xmm2, Address(rsp, xmm_regs_as_doubles_off * VMRegImpl::stack_slot_size + 16)); | |
502 __ movdbl(xmm3, Address(rsp, xmm_regs_as_doubles_off * VMRegImpl::stack_slot_size + 24)); | |
503 __ movdbl(xmm4, Address(rsp, xmm_regs_as_doubles_off * VMRegImpl::stack_slot_size + 32)); | |
504 __ movdbl(xmm5, Address(rsp, xmm_regs_as_doubles_off * VMRegImpl::stack_slot_size + 40)); | |
505 __ movdbl(xmm6, Address(rsp, xmm_regs_as_doubles_off * VMRegImpl::stack_slot_size + 48)); | |
506 __ movdbl(xmm7, Address(rsp, xmm_regs_as_doubles_off * VMRegImpl::stack_slot_size + 56)); | |
507 #ifdef _LP64 | |
508 __ movdbl(xmm8, Address(rsp, xmm_regs_as_doubles_off * VMRegImpl::stack_slot_size + 64)); | |
509 __ movdbl(xmm9, Address(rsp, xmm_regs_as_doubles_off * VMRegImpl::stack_slot_size + 72)); | |
510 __ movdbl(xmm10, Address(rsp, xmm_regs_as_doubles_off * VMRegImpl::stack_slot_size + 80)); | |
511 __ movdbl(xmm11, Address(rsp, xmm_regs_as_doubles_off * VMRegImpl::stack_slot_size + 88)); | |
512 __ movdbl(xmm12, Address(rsp, xmm_regs_as_doubles_off * VMRegImpl::stack_slot_size + 96)); | |
513 __ movdbl(xmm13, Address(rsp, xmm_regs_as_doubles_off * VMRegImpl::stack_slot_size + 104)); | |
514 __ movdbl(xmm14, Address(rsp, xmm_regs_as_doubles_off * VMRegImpl::stack_slot_size + 112)); | |
515 __ movdbl(xmm15, Address(rsp, xmm_regs_as_doubles_off * VMRegImpl::stack_slot_size + 120)); | |
516 #endif // _LP64 | |
0 | 517 } else if (UseSSE == 1) { |
518 // restore XMM registers | |
304 | 519 __ movflt(xmm0, Address(rsp, xmm_regs_as_doubles_off * VMRegImpl::stack_slot_size + 0)); |
520 __ movflt(xmm1, Address(rsp, xmm_regs_as_doubles_off * VMRegImpl::stack_slot_size + 8)); | |
521 __ movflt(xmm2, Address(rsp, xmm_regs_as_doubles_off * VMRegImpl::stack_slot_size + 16)); | |
522 __ movflt(xmm3, Address(rsp, xmm_regs_as_doubles_off * VMRegImpl::stack_slot_size + 24)); | |
523 __ movflt(xmm4, Address(rsp, xmm_regs_as_doubles_off * VMRegImpl::stack_slot_size + 32)); | |
524 __ movflt(xmm5, Address(rsp, xmm_regs_as_doubles_off * VMRegImpl::stack_slot_size + 40)); | |
525 __ movflt(xmm6, Address(rsp, xmm_regs_as_doubles_off * VMRegImpl::stack_slot_size + 48)); | |
526 __ movflt(xmm7, Address(rsp, xmm_regs_as_doubles_off * VMRegImpl::stack_slot_size + 56)); | |
0 | 527 } |
528 | |
529 if (UseSSE < 2) { | |
304 | 530 __ frstor(Address(rsp, fpu_state_off * VMRegImpl::stack_slot_size)); |
0 | 531 } else { |
532 // check that FPU stack is really empty | |
533 __ verify_FPU(0, "restore_live_registers"); | |
534 } | |
535 | |
536 } else { | |
537 // check that FPU stack is really empty | |
538 __ verify_FPU(0, "restore_live_registers"); | |
539 } | |
540 | |
541 #ifdef ASSERT | |
542 { | |
543 Label ok; | |
304 | 544 __ cmpptr(Address(rsp, marker * VMRegImpl::stack_slot_size), (int32_t)0xfeedbeef); |
0 | 545 __ jcc(Assembler::equal, ok); |
546 __ stop("bad offsets in frame"); | |
547 __ bind(ok); | |
548 } | |
304 | 549 #endif // ASSERT |
0 | 550 |
304 | 551 __ addptr(rsp, extra_space_offset * VMRegImpl::stack_slot_size); |
0 | 552 } |
553 | |
554 | |
555 static void restore_live_registers(StubAssembler* sasm, bool restore_fpu_registers = true) { | |
556 __ block_comment("restore_live_registers"); | |
557 | |
558 restore_fpu(sasm, restore_fpu_registers); | |
304 | 559 __ popa(); |
0 | 560 } |
561 | |
562 | |
563 static void restore_live_registers_except_rax(StubAssembler* sasm, bool restore_fpu_registers = true) { | |
564 __ block_comment("restore_live_registers_except_rax"); | |
565 | |
566 restore_fpu(sasm, restore_fpu_registers); | |
567 | |
304 | 568 #ifdef _LP64 |
569 __ movptr(r15, Address(rsp, 0)); | |
570 __ movptr(r14, Address(rsp, wordSize)); | |
571 __ movptr(r13, Address(rsp, 2 * wordSize)); | |
572 __ movptr(r12, Address(rsp, 3 * wordSize)); | |
573 __ movptr(r11, Address(rsp, 4 * wordSize)); | |
574 __ movptr(r10, Address(rsp, 5 * wordSize)); | |
575 __ movptr(r9, Address(rsp, 6 * wordSize)); | |
576 __ movptr(r8, Address(rsp, 7 * wordSize)); | |
577 __ movptr(rdi, Address(rsp, 8 * wordSize)); | |
578 __ movptr(rsi, Address(rsp, 9 * wordSize)); | |
579 __ movptr(rbp, Address(rsp, 10 * wordSize)); | |
580 // skip rsp | |
581 __ movptr(rbx, Address(rsp, 12 * wordSize)); | |
582 __ movptr(rdx, Address(rsp, 13 * wordSize)); | |
583 __ movptr(rcx, Address(rsp, 14 * wordSize)); | |
584 | |
585 __ addptr(rsp, 16 * wordSize); | |
586 #else | |
587 | |
588 __ pop(rdi); | |
589 __ pop(rsi); | |
590 __ pop(rbp); | |
591 __ pop(rbx); // skip this value | |
592 __ pop(rbx); | |
593 __ pop(rdx); | |
594 __ pop(rcx); | |
595 __ addptr(rsp, BytesPerWord); | |
596 #endif // _LP64 | |
0 | 597 } |
598 | |
599 | |
600 void Runtime1::initialize_pd() { | |
601 // nothing to do | |
602 } | |
603 | |
604 | |
605 // target: the entry point of the method that creates and posts the exception oop | |
606 // has_argument: true if the exception needs an argument (passed on stack because registers must be preserved) | |
607 | |
608 OopMapSet* Runtime1::generate_exception_throw(StubAssembler* sasm, address target, bool has_argument) { | |
609 // preserve all registers | |
610 int num_rt_args = has_argument ? 2 : 1; | |
611 OopMap* oop_map = save_live_registers(sasm, num_rt_args); | |
612 | |
613 // now all registers are saved and can be used freely | |
614 // verify that no old value is used accidentally | |
615 __ invalidate_registers(true, true, true, true, true, true); | |
616 | |
617 // registers used by this stub | |
618 const Register temp_reg = rbx; | |
619 | |
620 // load argument for exception that is passed as an argument into the stub | |
621 if (has_argument) { | |
304 | 622 #ifdef _LP64 |
623 __ movptr(c_rarg1, Address(rbp, 2*BytesPerWord)); | |
624 #else | |
625 __ movptr(temp_reg, Address(rbp, 2*BytesPerWord)); | |
626 __ push(temp_reg); | |
627 #endif // _LP64 | |
0 | 628 } |
629 int call_offset = __ call_RT(noreg, noreg, target, num_rt_args - 1); | |
630 | |
631 OopMapSet* oop_maps = new OopMapSet(); | |
632 oop_maps->add_gc_map(call_offset, oop_map); | |
633 | |
634 __ stop("should not reach here"); | |
635 | |
636 return oop_maps; | |
637 } | |
638 | |
639 | |
2321
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
640 OopMapSet* Runtime1::generate_handle_exception(StubID id, StubAssembler *sasm) { |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
641 __ block_comment("generate_handle_exception"); |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
642 |
0 | 643 // incoming parameters |
644 const Register exception_oop = rax; | |
2321
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
645 const Register exception_pc = rdx; |
0 | 646 // other registers used in this stub |
304 | 647 const Register thread = NOT_LP64(rdi) LP64_ONLY(r15_thread); |
0 | 648 |
2321
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
649 // Save registers, if required. |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
650 OopMapSet* oop_maps = new OopMapSet(); |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
651 OopMap* oop_map = NULL; |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
652 switch (id) { |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
653 case forward_exception_id: |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
654 // We're handling an exception in the context of a compiled frame. |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
655 // The registers have been saved in the standard places. Perform |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
656 // an exception lookup in the caller and dispatch to the handler |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
657 // if found. Otherwise unwind and dispatch to the callers |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
658 // exception handler. |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
659 oop_map = generate_oop_map(sasm, 1 /*thread*/); |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
660 |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
661 // load and clear pending exception oop into RAX |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
662 __ movptr(exception_oop, Address(thread, Thread::pending_exception_offset())); |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
663 __ movptr(Address(thread, Thread::pending_exception_offset()), NULL_WORD); |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
664 |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
665 // load issuing PC (the return address for this stub) into rdx |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
666 __ movptr(exception_pc, Address(rbp, 1*BytesPerWord)); |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
667 |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
668 // make sure that the vm_results are cleared (may be unnecessary) |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
669 __ movptr(Address(thread, JavaThread::vm_result_offset()), NULL_WORD); |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
670 __ movptr(Address(thread, JavaThread::vm_result_2_offset()), NULL_WORD); |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
671 break; |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
672 case handle_exception_nofpu_id: |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
673 case handle_exception_id: |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
674 // At this point all registers MAY be live. |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
675 oop_map = save_live_registers(sasm, 1 /*thread*/, id == handle_exception_nofpu_id); |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
676 break; |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
677 case handle_exception_from_callee_id: { |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
678 // At this point all registers except exception oop (RAX) and |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
679 // exception pc (RDX) are dead. |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
680 const int frame_size = 2 /*BP, return address*/ NOT_LP64(+ 1 /*thread*/) WIN64_ONLY(+ frame::arg_reg_save_area_bytes / BytesPerWord); |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
681 oop_map = new OopMap(frame_size * VMRegImpl::slots_per_word, 0); |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
682 sasm->set_frame_size(frame_size); |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
683 WIN64_ONLY(__ subq(rsp, frame::arg_reg_save_area_bytes)); |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
684 break; |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
685 } |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
686 default: ShouldNotReachHere(); |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
687 } |
0 | 688 |
689 #ifdef TIERED | |
690 // C2 can leave the fpu stack dirty | |
2321
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
691 if (UseSSE < 2) { |
0 | 692 __ empty_FPU_stack(); |
693 } | |
694 #endif // TIERED | |
695 | |
696 // verify that only rax, and rdx is valid at this time | |
697 __ invalidate_registers(false, true, true, false, true, true); | |
698 // verify that rax, contains a valid exception | |
699 __ verify_not_null_oop(exception_oop); | |
700 | |
701 // load address of JavaThread object for thread-local data | |
304 | 702 NOT_LP64(__ get_thread(thread);) |
0 | 703 |
704 #ifdef ASSERT | |
705 // check that fields in JavaThread for exception oop and issuing pc are | |
706 // empty before writing to them | |
707 Label oop_empty; | |
304 | 708 __ cmpptr(Address(thread, JavaThread::exception_oop_offset()), (int32_t) NULL_WORD); |
0 | 709 __ jcc(Assembler::equal, oop_empty); |
710 __ stop("exception oop already set"); | |
711 __ bind(oop_empty); | |
712 | |
713 Label pc_empty; | |
304 | 714 __ cmpptr(Address(thread, JavaThread::exception_pc_offset()), 0); |
0 | 715 __ jcc(Assembler::equal, pc_empty); |
716 __ stop("exception pc already set"); | |
717 __ bind(pc_empty); | |
718 #endif | |
719 | |
720 // save exception oop and issuing pc into JavaThread | |
721 // (exception handler will load it from here) | |
304 | 722 __ movptr(Address(thread, JavaThread::exception_oop_offset()), exception_oop); |
2321
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
723 __ movptr(Address(thread, JavaThread::exception_pc_offset()), exception_pc); |
0 | 724 |
725 // patch throwing pc into return address (has bci & oop map) | |
304 | 726 __ movptr(Address(rbp, 1*BytesPerWord), exception_pc); |
0 | 727 |
728 // compute the exception handler. | |
729 // the exception oop and the throwing pc are read from the fields in JavaThread | |
730 int call_offset = __ call_RT(noreg, noreg, CAST_FROM_FN_PTR(address, exception_handler_for_pc)); | |
731 oop_maps->add_gc_map(call_offset, oop_map); | |
732 | |
2321
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
733 // rax: handler address |
0 | 734 // will be the deopt blob if nmethod was deoptimized while we looked up |
735 // handler regardless of whether handler existed in the nmethod. | |
736 | |
737 // only rax, is valid at this time, all other registers have been destroyed by the runtime call | |
738 __ invalidate_registers(false, true, true, true, true, true); | |
739 | |
2321
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
740 // patch the return address, this stub will directly return to the exception handler |
304 | 741 __ movptr(Address(rbp, 1*BytesPerWord), rax); |
0 | 742 |
2321
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
743 switch (id) { |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
744 case forward_exception_id: |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
745 case handle_exception_nofpu_id: |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
746 case handle_exception_id: |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
747 // Restore the registers that were saved at the beginning. |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
748 restore_live_registers(sasm, id == handle_exception_nofpu_id); |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
749 break; |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
750 case handle_exception_from_callee_id: |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
751 // WIN64_ONLY: No need to add frame::arg_reg_save_area_bytes to SP |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
752 // since we do a leave anyway. |
0 | 753 |
2321
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
754 // Pop the return address since we are possibly changing SP (restoring from BP). |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
755 __ leave(); |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
756 __ pop(rcx); |
0 | 757 |
2321
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
758 // Restore SP from BP if the exception PC is a method handle call site. |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
759 NOT_LP64(__ get_thread(thread);) |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
760 __ cmpl(Address(thread, JavaThread::is_method_handle_return_offset()), 0); |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
761 __ cmovptr(Assembler::notEqual, rsp, rbp_mh_SP_save); |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
762 __ jmp(rcx); // jump to exception handler |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
763 break; |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
764 default: ShouldNotReachHere(); |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
765 } |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
766 |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
767 return oop_maps; |
0 | 768 } |
769 | |
770 | |
771 void Runtime1::generate_unwind_exception(StubAssembler *sasm) { | |
772 // incoming parameters | |
773 const Register exception_oop = rax; | |
1295 | 774 // callee-saved copy of exception_oop during runtime call |
775 const Register exception_oop_callee_saved = NOT_LP64(rsi) LP64_ONLY(r14); | |
0 | 776 // other registers used in this stub |
777 const Register exception_pc = rdx; | |
778 const Register handler_addr = rbx; | |
304 | 779 const Register thread = NOT_LP64(rdi) LP64_ONLY(r15_thread); |
0 | 780 |
781 // verify that only rax, is valid at this time | |
782 __ invalidate_registers(false, true, true, true, true, true); | |
783 | |
784 #ifdef ASSERT | |
785 // check that fields in JavaThread for exception oop and issuing pc are empty | |
304 | 786 NOT_LP64(__ get_thread(thread);) |
0 | 787 Label oop_empty; |
304 | 788 __ cmpptr(Address(thread, JavaThread::exception_oop_offset()), 0); |
0 | 789 __ jcc(Assembler::equal, oop_empty); |
790 __ stop("exception oop must be empty"); | |
791 __ bind(oop_empty); | |
792 | |
793 Label pc_empty; | |
304 | 794 __ cmpptr(Address(thread, JavaThread::exception_pc_offset()), 0); |
0 | 795 __ jcc(Assembler::equal, pc_empty); |
796 __ stop("exception pc must be empty"); | |
797 __ bind(pc_empty); | |
798 #endif | |
799 | |
800 // clear the FPU stack in case any FPU results are left behind | |
801 __ empty_FPU_stack(); | |
802 | |
1295 | 803 // save exception_oop in callee-saved register to preserve it during runtime calls |
804 __ verify_not_null_oop(exception_oop); | |
805 __ movptr(exception_oop_callee_saved, exception_oop); | |
806 | |
807 NOT_LP64(__ get_thread(thread);) | |
808 // Get return address (is on top of stack after leave). | |
304 | 809 __ movptr(exception_pc, Address(rsp, 0)); |
0 | 810 |
1295 | 811 // search the exception handler address of the caller (using the return address) |
812 __ call_VM_leaf(CAST_FROM_FN_PTR(address, SharedRuntime::exception_handler_for_return_address), thread, exception_pc); | |
813 // rax: exception handler address of the caller | |
0 | 814 |
1295 | 815 // Only RAX and RSI are valid at this time, all other registers have been destroyed by the call. |
816 __ invalidate_registers(false, true, true, true, false, true); | |
0 | 817 |
818 // move result of call into correct register | |
304 | 819 __ movptr(handler_addr, rax); |
0 | 820 |
1295 | 821 // Restore exception oop to RAX (required convention of exception handler). |
822 __ movptr(exception_oop, exception_oop_callee_saved); | |
0 | 823 |
1295 | 824 // verify that there is really a valid exception in rax |
825 __ verify_not_null_oop(exception_oop); | |
0 | 826 |
827 // get throwing pc (= return address). | |
828 // rdx has been destroyed by the call, so it must be set again | |
829 // the pop is also necessary to simulate the effect of a ret(0) | |
304 | 830 __ pop(exception_pc); |
0 | 831 |
2321
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
832 // Restore SP from BP if the exception PC is a method handle call site. |
1295 | 833 NOT_LP64(__ get_thread(thread);) |
1368
93767e6a2dfd
6941529: SharedRuntime::raw_exception_handler_for_return_address must reset thread MethodHandle flag
twisti
parents:
1295
diff
changeset
|
834 __ cmpl(Address(thread, JavaThread::is_method_handle_return_offset()), 0); |
1564 | 835 __ cmovptr(Assembler::notEqual, rsp, rbp_mh_SP_save); |
0 | 836 |
837 // continue at exception handler (return address removed) | |
838 // note: do *not* remove arguments when unwinding the | |
839 // activation since the caller assumes having | |
840 // all arguments on the stack when entering the | |
841 // runtime to determine the exception handler | |
842 // (GC happens at call site with arguments!) | |
1295 | 843 // rax: exception oop |
0 | 844 // rdx: throwing pc |
1295 | 845 // rbx: exception handler |
0 | 846 __ jmp(handler_addr); |
847 } | |
848 | |
849 | |
850 OopMapSet* Runtime1::generate_patching(StubAssembler* sasm, address target) { | |
851 // use the maximum number of runtime-arguments here because it is difficult to | |
852 // distinguish each RT-Call. | |
853 // Note: This number affects also the RT-Call in generate_handle_exception because | |
854 // the oop-map is shared for all calls. | |
855 const int num_rt_args = 2; // thread + dummy | |
856 | |
857 DeoptimizationBlob* deopt_blob = SharedRuntime::deopt_blob(); | |
858 assert(deopt_blob != NULL, "deoptimization blob must have been created"); | |
859 | |
860 OopMap* oop_map = save_live_registers(sasm, num_rt_args); | |
861 | |
304 | 862 #ifdef _LP64 |
863 const Register thread = r15_thread; | |
864 // No need to worry about dummy | |
865 __ mov(c_rarg0, thread); | |
866 #else | |
867 __ push(rax); // push dummy | |
0 | 868 |
869 const Register thread = rdi; // is callee-saved register (Visual C++ calling conventions) | |
870 // push java thread (becomes first argument of C function) | |
871 __ get_thread(thread); | |
304 | 872 __ push(thread); |
873 #endif // _LP64 | |
0 | 874 __ set_last_Java_frame(thread, noreg, rbp, NULL); |
875 // do the call | |
876 __ call(RuntimeAddress(target)); | |
877 OopMapSet* oop_maps = new OopMapSet(); | |
878 oop_maps->add_gc_map(__ offset(), oop_map); | |
879 // verify callee-saved register | |
880 #ifdef ASSERT | |
881 guarantee(thread != rax, "change this code"); | |
304 | 882 __ push(rax); |
0 | 883 { Label L; |
884 __ get_thread(rax); | |
304 | 885 __ cmpptr(thread, rax); |
0 | 886 __ jcc(Assembler::equal, L); |
304 | 887 __ stop("StubAssembler::call_RT: rdi/r15 not callee saved?"); |
0 | 888 __ bind(L); |
889 } | |
304 | 890 __ pop(rax); |
0 | 891 #endif |
892 __ reset_last_Java_frame(thread, true, false); | |
304 | 893 #ifndef _LP64 |
894 __ pop(rcx); // discard thread arg | |
895 __ pop(rcx); // discard dummy | |
896 #endif // _LP64 | |
0 | 897 |
898 // check for pending exceptions | |
899 { Label L; | |
304 | 900 __ cmpptr(Address(thread, Thread::pending_exception_offset()), (int32_t)NULL_WORD); |
0 | 901 __ jcc(Assembler::equal, L); |
902 // exception pending => remove activation and forward to exception handler | |
903 | |
304 | 904 __ testptr(rax, rax); // have we deoptimized? |
0 | 905 __ jump_cc(Assembler::equal, |
906 RuntimeAddress(Runtime1::entry_for(Runtime1::forward_exception_id))); | |
907 | |
908 // the deopt blob expects exceptions in the special fields of | |
909 // JavaThread, so copy and clear pending exception. | |
910 | |
911 // load and clear pending exception | |
304 | 912 __ movptr(rax, Address(thread, Thread::pending_exception_offset())); |
512
db4caa99ef11
6787106: Hotspot 32 bit build fails on platforms having different definitions for intptr_t & int32_t
xlu
parents:
380
diff
changeset
|
913 __ movptr(Address(thread, Thread::pending_exception_offset()), NULL_WORD); |
0 | 914 |
915 // check that there is really a valid exception | |
916 __ verify_not_null_oop(rax); | |
917 | |
918 // load throwing pc: this is the return address of the stub | |
304 | 919 __ movptr(rdx, Address(rsp, return_off * VMRegImpl::stack_slot_size)); |
0 | 920 |
921 #ifdef ASSERT | |
922 // check that fields in JavaThread for exception oop and issuing pc are empty | |
923 Label oop_empty; | |
304 | 924 __ cmpptr(Address(thread, JavaThread::exception_oop_offset()), (int32_t)NULL_WORD); |
0 | 925 __ jcc(Assembler::equal, oop_empty); |
926 __ stop("exception oop must be empty"); | |
927 __ bind(oop_empty); | |
928 | |
929 Label pc_empty; | |
304 | 930 __ cmpptr(Address(thread, JavaThread::exception_pc_offset()), (int32_t)NULL_WORD); |
0 | 931 __ jcc(Assembler::equal, pc_empty); |
932 __ stop("exception pc must be empty"); | |
933 __ bind(pc_empty); | |
934 #endif | |
935 | |
936 // store exception oop and throwing pc to JavaThread | |
304 | 937 __ movptr(Address(thread, JavaThread::exception_oop_offset()), rax); |
938 __ movptr(Address(thread, JavaThread::exception_pc_offset()), rdx); | |
0 | 939 |
940 restore_live_registers(sasm); | |
941 | |
942 __ leave(); | |
304 | 943 __ addptr(rsp, BytesPerWord); // remove return address from stack |
0 | 944 |
945 // Forward the exception directly to deopt blob. We can blow no | |
946 // registers and must leave throwing pc on the stack. A patch may | |
947 // have values live in registers so the entry point with the | |
948 // exception in tls. | |
949 __ jump(RuntimeAddress(deopt_blob->unpack_with_exception_in_tls())); | |
950 | |
951 __ bind(L); | |
952 } | |
953 | |
954 | |
955 // Runtime will return true if the nmethod has been deoptimized during | |
956 // the patching process. In that case we must do a deopt reexecute instead. | |
957 | |
958 Label reexecuteEntry, cont; | |
959 | |
304 | 960 __ testptr(rax, rax); // have we deoptimized? |
0 | 961 __ jcc(Assembler::equal, cont); // no |
962 | |
963 // Will reexecute. Proper return address is already on the stack we just restore | |
964 // registers, pop all of our frame but the return address and jump to the deopt blob | |
965 restore_live_registers(sasm); | |
966 __ leave(); | |
967 __ jump(RuntimeAddress(deopt_blob->unpack_with_reexecution())); | |
968 | |
969 __ bind(cont); | |
970 restore_live_registers(sasm); | |
971 __ leave(); | |
972 __ ret(0); | |
973 | |
974 return oop_maps; | |
975 } | |
976 | |
977 | |
978 OopMapSet* Runtime1::generate_code_for(StubID id, StubAssembler* sasm) { | |
979 | |
980 // for better readability | |
981 const bool must_gc_arguments = true; | |
982 const bool dont_gc_arguments = false; | |
983 | |
984 // default value; overwritten for some optimized stubs that are called from methods that do not use the fpu | |
985 bool save_fpu_registers = true; | |
986 | |
987 // stub code & info for the different stubs | |
988 OopMapSet* oop_maps = NULL; | |
989 switch (id) { | |
990 case forward_exception_id: | |
991 { | |
2321
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
992 oop_maps = generate_handle_exception(id, sasm); |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
993 __ leave(); |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
994 __ ret(0); |
0 | 995 } |
996 break; | |
997 | |
998 case new_instance_id: | |
999 case fast_new_instance_id: | |
1000 case fast_new_instance_init_check_id: | |
1001 { | |
1002 Register klass = rdx; // Incoming | |
1003 Register obj = rax; // Result | |
1004 | |
1005 if (id == new_instance_id) { | |
1006 __ set_info("new_instance", dont_gc_arguments); | |
1007 } else if (id == fast_new_instance_id) { | |
1008 __ set_info("fast new_instance", dont_gc_arguments); | |
1009 } else { | |
1010 assert(id == fast_new_instance_init_check_id, "bad StubID"); | |
1011 __ set_info("fast new_instance init check", dont_gc_arguments); | |
1012 } | |
1013 | |
1014 if ((id == fast_new_instance_id || id == fast_new_instance_init_check_id) && | |
1015 UseTLAB && FastTLABRefill) { | |
1016 Label slow_path; | |
1017 Register obj_size = rcx; | |
1018 Register t1 = rbx; | |
1019 Register t2 = rsi; | |
1020 assert_different_registers(klass, obj, obj_size, t1, t2); | |
1021 | |
304 | 1022 __ push(rdi); |
1023 __ push(rbx); | |
0 | 1024 |
1025 if (id == fast_new_instance_init_check_id) { | |
1026 // make sure the klass is initialized | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
5904
diff
changeset
|
1027 __ cmpb(Address(klass, InstanceKlass::init_state_offset()), InstanceKlass::fully_initialized); |
0 | 1028 __ jcc(Assembler::notEqual, slow_path); |
1029 } | |
1030 | |
1031 #ifdef ASSERT | |
1032 // assert object can be fast path allocated | |
1033 { | |
1034 Label ok, not_ok; | |
4762
069ab3f976d3
7118863: Move sizeof(klassOopDesc) into the *Klass::*_offset_in_bytes() functions
stefank
parents:
4048
diff
changeset
|
1035 __ movl(obj_size, Address(klass, Klass::layout_helper_offset())); |
0 | 1036 __ cmpl(obj_size, 0); // make sure it's an instance (LH > 0) |
1037 __ jcc(Assembler::lessEqual, not_ok); | |
1038 __ testl(obj_size, Klass::_lh_instance_slow_path_bit); | |
1039 __ jcc(Assembler::zero, ok); | |
1040 __ bind(not_ok); | |
1041 __ stop("assert(can be fast path allocated)"); | |
1042 __ should_not_reach_here(); | |
1043 __ bind(ok); | |
1044 } | |
1045 #endif // ASSERT | |
1046 | |
1047 // if we got here then the TLAB allocation failed, so try | |
1048 // refilling the TLAB or allocating directly from eden. | |
1049 Label retry_tlab, try_eden; | |
2100
b1a2afa37ec4
7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
phh
parents:
2002
diff
changeset
|
1050 const Register thread = |
b1a2afa37ec4
7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
phh
parents:
2002
diff
changeset
|
1051 __ tlab_refill(retry_tlab, try_eden, slow_path); // does not destroy rdx (klass), returns rdi |
0 | 1052 |
1053 __ bind(retry_tlab); | |
1054 | |
304 | 1055 // get the instance size (size is postive so movl is fine for 64bit) |
4762
069ab3f976d3
7118863: Move sizeof(klassOopDesc) into the *Klass::*_offset_in_bytes() functions
stefank
parents:
4048
diff
changeset
|
1056 __ movl(obj_size, Address(klass, Klass::layout_helper_offset())); |
2100
b1a2afa37ec4
7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
phh
parents:
2002
diff
changeset
|
1057 |
0 | 1058 __ tlab_allocate(obj, obj_size, 0, t1, t2, slow_path); |
2100
b1a2afa37ec4
7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
phh
parents:
2002
diff
changeset
|
1059 |
0 | 1060 __ initialize_object(obj, klass, obj_size, 0, t1, t2); |
1061 __ verify_oop(obj); | |
304 | 1062 __ pop(rbx); |
1063 __ pop(rdi); | |
0 | 1064 __ ret(0); |
1065 | |
1066 __ bind(try_eden); | |
304 | 1067 // get the instance size (size is postive so movl is fine for 64bit) |
4762
069ab3f976d3
7118863: Move sizeof(klassOopDesc) into the *Klass::*_offset_in_bytes() functions
stefank
parents:
4048
diff
changeset
|
1068 __ movl(obj_size, Address(klass, Klass::layout_helper_offset())); |
2100
b1a2afa37ec4
7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
phh
parents:
2002
diff
changeset
|
1069 |
0 | 1070 __ eden_allocate(obj, obj_size, 0, t1, slow_path); |
2100
b1a2afa37ec4
7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
phh
parents:
2002
diff
changeset
|
1071 __ incr_allocated_bytes(thread, obj_size, 0); |
b1a2afa37ec4
7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
phh
parents:
2002
diff
changeset
|
1072 |
0 | 1073 __ initialize_object(obj, klass, obj_size, 0, t1, t2); |
1074 __ verify_oop(obj); | |
304 | 1075 __ pop(rbx); |
1076 __ pop(rdi); | |
0 | 1077 __ ret(0); |
1078 | |
1079 __ bind(slow_path); | |
304 | 1080 __ pop(rbx); |
1081 __ pop(rdi); | |
0 | 1082 } |
1083 | |
1084 __ enter(); | |
1085 OopMap* map = save_live_registers(sasm, 2); | |
1086 int call_offset = __ call_RT(obj, noreg, CAST_FROM_FN_PTR(address, new_instance), klass); | |
1087 oop_maps = new OopMapSet(); | |
1088 oop_maps->add_gc_map(call_offset, map); | |
1089 restore_live_registers_except_rax(sasm); | |
1090 __ verify_oop(obj); | |
1091 __ leave(); | |
1092 __ ret(0); | |
1093 | |
1094 // rax,: new instance | |
1095 } | |
1096 | |
1097 break; | |
1098 | |
1099 case counter_overflow_id: | |
1100 { | |
1783 | 1101 Register bci = rax, method = rbx; |
0 | 1102 __ enter(); |
1783 | 1103 OopMap* map = save_live_registers(sasm, 3); |
0 | 1104 // Retrieve bci |
1105 __ movl(bci, Address(rbp, 2*BytesPerWord)); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
5904
diff
changeset
|
1106 // And a pointer to the Method* |
1783 | 1107 __ movptr(method, Address(rbp, 3*BytesPerWord)); |
1108 int call_offset = __ call_RT(noreg, noreg, CAST_FROM_FN_PTR(address, counter_overflow), bci, method); | |
0 | 1109 oop_maps = new OopMapSet(); |
1110 oop_maps->add_gc_map(call_offset, map); | |
1111 restore_live_registers(sasm); | |
1112 __ leave(); | |
1113 __ ret(0); | |
1114 } | |
1115 break; | |
1116 | |
1117 case new_type_array_id: | |
1118 case new_object_array_id: | |
1119 { | |
1120 Register length = rbx; // Incoming | |
1121 Register klass = rdx; // Incoming | |
1122 Register obj = rax; // Result | |
1123 | |
1124 if (id == new_type_array_id) { | |
1125 __ set_info("new_type_array", dont_gc_arguments); | |
1126 } else { | |
1127 __ set_info("new_object_array", dont_gc_arguments); | |
1128 } | |
1129 | |
1130 #ifdef ASSERT | |
1131 // assert object type is really an array of the proper kind | |
1132 { | |
1133 Label ok; | |
1134 Register t0 = obj; | |
4762
069ab3f976d3
7118863: Move sizeof(klassOopDesc) into the *Klass::*_offset_in_bytes() functions
stefank
parents:
4048
diff
changeset
|
1135 __ movl(t0, Address(klass, Klass::layout_helper_offset())); |
0 | 1136 __ sarl(t0, Klass::_lh_array_tag_shift); |
1137 int tag = ((id == new_type_array_id) | |
1138 ? Klass::_lh_array_tag_type_value | |
1139 : Klass::_lh_array_tag_obj_value); | |
1140 __ cmpl(t0, tag); | |
1141 __ jcc(Assembler::equal, ok); | |
1142 __ stop("assert(is an array klass)"); | |
1143 __ should_not_reach_here(); | |
1144 __ bind(ok); | |
1145 } | |
1146 #endif // ASSERT | |
1147 | |
1148 if (UseTLAB && FastTLABRefill) { | |
1149 Register arr_size = rsi; | |
1150 Register t1 = rcx; // must be rcx for use as shift count | |
1151 Register t2 = rdi; | |
1152 Label slow_path; | |
1153 assert_different_registers(length, klass, obj, arr_size, t1, t2); | |
1154 | |
1155 // check that array length is small enough for fast path. | |
1156 __ cmpl(length, C1_MacroAssembler::max_array_allocation_length); | |
1157 __ jcc(Assembler::above, slow_path); | |
1158 | |
1159 // if we got here then the TLAB allocation failed, so try | |
1160 // refilling the TLAB or allocating directly from eden. | |
1161 Label retry_tlab, try_eden; | |
2100
b1a2afa37ec4
7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
phh
parents:
2002
diff
changeset
|
1162 const Register thread = |
b1a2afa37ec4
7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
phh
parents:
2002
diff
changeset
|
1163 __ tlab_refill(retry_tlab, try_eden, slow_path); // preserves rbx & rdx, returns rdi |
0 | 1164 |
1165 __ bind(retry_tlab); | |
1166 | |
1167 // get the allocation size: round_up(hdr + length << (layout_helper & 0x1F)) | |
2100
b1a2afa37ec4
7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
phh
parents:
2002
diff
changeset
|
1168 // since size is positive movl does right thing on 64bit |
4762
069ab3f976d3
7118863: Move sizeof(klassOopDesc) into the *Klass::*_offset_in_bytes() functions
stefank
parents:
4048
diff
changeset
|
1169 __ movl(t1, Address(klass, Klass::layout_helper_offset())); |
304 | 1170 // since size is postive movl does right thing on 64bit |
0 | 1171 __ movl(arr_size, length); |
1172 assert(t1 == rcx, "fixed register usage"); | |
304 | 1173 __ shlptr(arr_size /* by t1=rcx, mod 32 */); |
1174 __ shrptr(t1, Klass::_lh_header_size_shift); | |
1175 __ andptr(t1, Klass::_lh_header_size_mask); | |
1176 __ addptr(arr_size, t1); | |
1177 __ addptr(arr_size, MinObjAlignmentInBytesMask); // align up | |
1178 __ andptr(arr_size, ~MinObjAlignmentInBytesMask); | |
0 | 1179 |
1180 __ tlab_allocate(obj, arr_size, 0, t1, t2, slow_path); // preserves arr_size | |
1181 | |
1182 __ initialize_header(obj, klass, length, t1, t2); | |
4762
069ab3f976d3
7118863: Move sizeof(klassOopDesc) into the *Klass::*_offset_in_bytes() functions
stefank
parents:
4048
diff
changeset
|
1183 __ movb(t1, Address(klass, in_bytes(Klass::layout_helper_offset()) + (Klass::_lh_header_size_shift / BitsPerByte))); |
0 | 1184 assert(Klass::_lh_header_size_shift % BitsPerByte == 0, "bytewise"); |
1185 assert(Klass::_lh_header_size_mask <= 0xFF, "bytewise"); | |
304 | 1186 __ andptr(t1, Klass::_lh_header_size_mask); |
1187 __ subptr(arr_size, t1); // body length | |
1188 __ addptr(t1, obj); // body start | |
0 | 1189 __ initialize_body(t1, arr_size, 0, t2); |
1190 __ verify_oop(obj); | |
1191 __ ret(0); | |
1192 | |
1193 __ bind(try_eden); | |
1194 // get the allocation size: round_up(hdr + length << (layout_helper & 0x1F)) | |
2100
b1a2afa37ec4
7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
phh
parents:
2002
diff
changeset
|
1195 // since size is positive movl does right thing on 64bit |
4762
069ab3f976d3
7118863: Move sizeof(klassOopDesc) into the *Klass::*_offset_in_bytes() functions
stefank
parents:
4048
diff
changeset
|
1196 __ movl(t1, Address(klass, Klass::layout_helper_offset())); |
304 | 1197 // since size is postive movl does right thing on 64bit |
0 | 1198 __ movl(arr_size, length); |
1199 assert(t1 == rcx, "fixed register usage"); | |
304 | 1200 __ shlptr(arr_size /* by t1=rcx, mod 32 */); |
1201 __ shrptr(t1, Klass::_lh_header_size_shift); | |
1202 __ andptr(t1, Klass::_lh_header_size_mask); | |
1203 __ addptr(arr_size, t1); | |
1204 __ addptr(arr_size, MinObjAlignmentInBytesMask); // align up | |
1205 __ andptr(arr_size, ~MinObjAlignmentInBytesMask); | |
0 | 1206 |
1207 __ eden_allocate(obj, arr_size, 0, t1, slow_path); // preserves arr_size | |
2100
b1a2afa37ec4
7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
phh
parents:
2002
diff
changeset
|
1208 __ incr_allocated_bytes(thread, arr_size, 0); |
0 | 1209 |
1210 __ initialize_header(obj, klass, length, t1, t2); | |
4762
069ab3f976d3
7118863: Move sizeof(klassOopDesc) into the *Klass::*_offset_in_bytes() functions
stefank
parents:
4048
diff
changeset
|
1211 __ movb(t1, Address(klass, in_bytes(Klass::layout_helper_offset()) + (Klass::_lh_header_size_shift / BitsPerByte))); |
0 | 1212 assert(Klass::_lh_header_size_shift % BitsPerByte == 0, "bytewise"); |
1213 assert(Klass::_lh_header_size_mask <= 0xFF, "bytewise"); | |
304 | 1214 __ andptr(t1, Klass::_lh_header_size_mask); |
1215 __ subptr(arr_size, t1); // body length | |
1216 __ addptr(t1, obj); // body start | |
0 | 1217 __ initialize_body(t1, arr_size, 0, t2); |
1218 __ verify_oop(obj); | |
1219 __ ret(0); | |
1220 | |
1221 __ bind(slow_path); | |
1222 } | |
1223 | |
1224 __ enter(); | |
1225 OopMap* map = save_live_registers(sasm, 3); | |
1226 int call_offset; | |
1227 if (id == new_type_array_id) { | |
1228 call_offset = __ call_RT(obj, noreg, CAST_FROM_FN_PTR(address, new_type_array), klass, length); | |
1229 } else { | |
1230 call_offset = __ call_RT(obj, noreg, CAST_FROM_FN_PTR(address, new_object_array), klass, length); | |
1231 } | |
1232 | |
1233 oop_maps = new OopMapSet(); | |
1234 oop_maps->add_gc_map(call_offset, map); | |
1235 restore_live_registers_except_rax(sasm); | |
1236 | |
1237 __ verify_oop(obj); | |
1238 __ leave(); | |
1239 __ ret(0); | |
1240 | |
1241 // rax,: new array | |
1242 } | |
1243 break; | |
1244 | |
1245 case new_multi_array_id: | |
1246 { StubFrame f(sasm, "new_multi_array", dont_gc_arguments); | |
1247 // rax,: klass | |
1248 // rbx,: rank | |
1249 // rcx: address of 1st dimension | |
1250 OopMap* map = save_live_registers(sasm, 4); | |
1251 int call_offset = __ call_RT(rax, noreg, CAST_FROM_FN_PTR(address, new_multi_array), rax, rbx, rcx); | |
1252 | |
1253 oop_maps = new OopMapSet(); | |
1254 oop_maps->add_gc_map(call_offset, map); | |
1255 restore_live_registers_except_rax(sasm); | |
1256 | |
1257 // rax,: new multi array | |
1258 __ verify_oop(rax); | |
1259 } | |
1260 break; | |
1261 | |
1262 case register_finalizer_id: | |
1263 { | |
1264 __ set_info("register_finalizer", dont_gc_arguments); | |
1265 | |
304 | 1266 // This is called via call_runtime so the arguments |
1267 // will be place in C abi locations | |
1268 | |
1269 #ifdef _LP64 | |
1270 __ verify_oop(c_rarg0); | |
1271 __ mov(rax, c_rarg0); | |
1272 #else | |
0 | 1273 // The object is passed on the stack and we haven't pushed a |
1274 // frame yet so it's one work away from top of stack. | |
304 | 1275 __ movptr(rax, Address(rsp, 1 * BytesPerWord)); |
0 | 1276 __ verify_oop(rax); |
304 | 1277 #endif // _LP64 |
0 | 1278 |
1279 // load the klass and check the has finalizer flag | |
1280 Label register_finalizer; | |
1281 Register t = rsi; | |
2002 | 1282 __ load_klass(t, rax); |
4762
069ab3f976d3
7118863: Move sizeof(klassOopDesc) into the *Klass::*_offset_in_bytes() functions
stefank
parents:
4048
diff
changeset
|
1283 __ movl(t, Address(t, Klass::access_flags_offset())); |
0 | 1284 __ testl(t, JVM_ACC_HAS_FINALIZER); |
1285 __ jcc(Assembler::notZero, register_finalizer); | |
1286 __ ret(0); | |
1287 | |
1288 __ bind(register_finalizer); | |
1289 __ enter(); | |
1290 OopMap* oop_map = save_live_registers(sasm, 2 /*num_rt_args */); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
5904
diff
changeset
|
1291 int call_offset = __ call_RT(noreg, noreg, CAST_FROM_FN_PTR(address, SharedRuntime::register_finalizer), rax); |
0 | 1292 oop_maps = new OopMapSet(); |
1293 oop_maps->add_gc_map(call_offset, oop_map); | |
1294 | |
1295 // Now restore all the live registers | |
1296 restore_live_registers(sasm); | |
1297 | |
1298 __ leave(); | |
1299 __ ret(0); | |
1300 } | |
1301 break; | |
1302 | |
1303 case throw_range_check_failed_id: | |
1304 { StubFrame f(sasm, "range_check_failed", dont_gc_arguments); | |
1305 oop_maps = generate_exception_throw(sasm, CAST_FROM_FN_PTR(address, throw_range_check_exception), true); | |
1306 } | |
1307 break; | |
1308 | |
1309 case throw_index_exception_id: | |
1310 { StubFrame f(sasm, "index_range_check_failed", dont_gc_arguments); | |
1311 oop_maps = generate_exception_throw(sasm, CAST_FROM_FN_PTR(address, throw_index_exception), true); | |
1312 } | |
1313 break; | |
1314 | |
1315 case throw_div0_exception_id: | |
1316 { StubFrame f(sasm, "throw_div0_exception", dont_gc_arguments); | |
1317 oop_maps = generate_exception_throw(sasm, CAST_FROM_FN_PTR(address, throw_div0_exception), false); | |
1318 } | |
1319 break; | |
1320 | |
1321 case throw_null_pointer_exception_id: | |
1322 { StubFrame f(sasm, "throw_null_pointer_exception", dont_gc_arguments); | |
1323 oop_maps = generate_exception_throw(sasm, CAST_FROM_FN_PTR(address, throw_null_pointer_exception), false); | |
1324 } | |
1325 break; | |
1326 | |
1327 case handle_exception_nofpu_id: | |
1328 case handle_exception_id: | |
1329 { StubFrame f(sasm, "handle_exception", dont_gc_arguments); | |
2321
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
1330 oop_maps = generate_handle_exception(id, sasm); |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
1331 } |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
1332 break; |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
1333 |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
1334 case handle_exception_from_callee_id: |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
1335 { StubFrame f(sasm, "handle_exception_from_callee", dont_gc_arguments); |
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2168
diff
changeset
|
1336 oop_maps = generate_handle_exception(id, sasm); |
0 | 1337 } |
1338 break; | |
1339 | |
1340 case unwind_exception_id: | |
1341 { __ set_info("unwind_exception", dont_gc_arguments); | |
1342 // note: no stubframe since we are about to leave the current | |
1343 // activation and we are calling a leaf VM function only. | |
1344 generate_unwind_exception(sasm); | |
1345 } | |
1346 break; | |
1347 | |
1348 case throw_array_store_exception_id: | |
1349 { StubFrame f(sasm, "throw_array_store_exception", dont_gc_arguments); | |
1350 // tos + 0: link | |
1351 // + 1: return address | |
2168
e4fee0bdaa85
7008809: should report the class in ArrayStoreExceptions from compiled code
never
parents:
2100
diff
changeset
|
1352 oop_maps = generate_exception_throw(sasm, CAST_FROM_FN_PTR(address, throw_array_store_exception), true); |
0 | 1353 } |
1354 break; | |
1355 | |
1356 case throw_class_cast_exception_id: | |
1357 { StubFrame f(sasm, "throw_class_cast_exception", dont_gc_arguments); | |
1358 oop_maps = generate_exception_throw(sasm, CAST_FROM_FN_PTR(address, throw_class_cast_exception), true); | |
1359 } | |
1360 break; | |
1361 | |
1362 case throw_incompatible_class_change_error_id: | |
1363 { StubFrame f(sasm, "throw_incompatible_class_cast_exception", dont_gc_arguments); | |
1364 oop_maps = generate_exception_throw(sasm, CAST_FROM_FN_PTR(address, throw_incompatible_class_change_error), false); | |
1365 } | |
1366 break; | |
1367 | |
1368 case slow_subtype_check_id: | |
1369 { | |
644
c517646eef23
6813212: factor duplicated assembly code for general subclass check (for 6655638)
jrose
parents:
533
diff
changeset
|
1370 // Typical calling sequence: |
c517646eef23
6813212: factor duplicated assembly code for general subclass check (for 6655638)
jrose
parents:
533
diff
changeset
|
1371 // __ push(klass_RInfo); // object klass or other subclass |
c517646eef23
6813212: factor duplicated assembly code for general subclass check (for 6655638)
jrose
parents:
533
diff
changeset
|
1372 // __ push(sup_k_RInfo); // array element klass or other superclass |
c517646eef23
6813212: factor duplicated assembly code for general subclass check (for 6655638)
jrose
parents:
533
diff
changeset
|
1373 // __ call(slow_subtype_check); |
c517646eef23
6813212: factor duplicated assembly code for general subclass check (for 6655638)
jrose
parents:
533
diff
changeset
|
1374 // Note that the subclass is pushed first, and is therefore deepest. |
c517646eef23
6813212: factor duplicated assembly code for general subclass check (for 6655638)
jrose
parents:
533
diff
changeset
|
1375 // Previous versions of this code reversed the names 'sub' and 'super'. |
c517646eef23
6813212: factor duplicated assembly code for general subclass check (for 6655638)
jrose
parents:
533
diff
changeset
|
1376 // This was operationally harmless but made the code unreadable. |
0 | 1377 enum layout { |
304 | 1378 rax_off, SLOT2(raxH_off) |
1379 rcx_off, SLOT2(rcxH_off) | |
1380 rsi_off, SLOT2(rsiH_off) | |
1381 rdi_off, SLOT2(rdiH_off) | |
1382 // saved_rbp_off, SLOT2(saved_rbpH_off) | |
1383 return_off, SLOT2(returnH_off) | |
644
c517646eef23
6813212: factor duplicated assembly code for general subclass check (for 6655638)
jrose
parents:
533
diff
changeset
|
1384 sup_k_off, SLOT2(sup_kH_off) |
c517646eef23
6813212: factor duplicated assembly code for general subclass check (for 6655638)
jrose
parents:
533
diff
changeset
|
1385 klass_off, SLOT2(superH_off) |
c517646eef23
6813212: factor duplicated assembly code for general subclass check (for 6655638)
jrose
parents:
533
diff
changeset
|
1386 framesize, |
c517646eef23
6813212: factor duplicated assembly code for general subclass check (for 6655638)
jrose
parents:
533
diff
changeset
|
1387 result_off = klass_off // deepest argument is also the return value |
0 | 1388 }; |
1389 | |
1390 __ set_info("slow_subtype_check", dont_gc_arguments); | |
304 | 1391 __ push(rdi); |
1392 __ push(rsi); | |
1393 __ push(rcx); | |
1394 __ push(rax); | |
0 | 1395 |
304 | 1396 // This is called by pushing args and not with C abi |
644
c517646eef23
6813212: factor duplicated assembly code for general subclass check (for 6655638)
jrose
parents:
533
diff
changeset
|
1397 __ movptr(rsi, Address(rsp, (klass_off) * VMRegImpl::stack_slot_size)); // subclass |
c517646eef23
6813212: factor duplicated assembly code for general subclass check (for 6655638)
jrose
parents:
533
diff
changeset
|
1398 __ movptr(rax, Address(rsp, (sup_k_off) * VMRegImpl::stack_slot_size)); // superclass |
0 | 1399 |
1400 Label miss; | |
644
c517646eef23
6813212: factor duplicated assembly code for general subclass check (for 6655638)
jrose
parents:
533
diff
changeset
|
1401 __ check_klass_subtype_slow_path(rsi, rax, rcx, rdi, NULL, &miss); |
c517646eef23
6813212: factor duplicated assembly code for general subclass check (for 6655638)
jrose
parents:
533
diff
changeset
|
1402 |
c517646eef23
6813212: factor duplicated assembly code for general subclass check (for 6655638)
jrose
parents:
533
diff
changeset
|
1403 // fallthrough on success: |
c517646eef23
6813212: factor duplicated assembly code for general subclass check (for 6655638)
jrose
parents:
533
diff
changeset
|
1404 __ movptr(Address(rsp, (result_off) * VMRegImpl::stack_slot_size), 1); // result |
304 | 1405 __ pop(rax); |
1406 __ pop(rcx); | |
1407 __ pop(rsi); | |
1408 __ pop(rdi); | |
0 | 1409 __ ret(0); |
1410 | |
1411 __ bind(miss); | |
644
c517646eef23
6813212: factor duplicated assembly code for general subclass check (for 6655638)
jrose
parents:
533
diff
changeset
|
1412 __ movptr(Address(rsp, (result_off) * VMRegImpl::stack_slot_size), NULL_WORD); // result |
304 | 1413 __ pop(rax); |
1414 __ pop(rcx); | |
1415 __ pop(rsi); | |
1416 __ pop(rdi); | |
0 | 1417 __ ret(0); |
1418 } | |
1419 break; | |
1420 | |
1421 case monitorenter_nofpu_id: | |
1422 save_fpu_registers = false; | |
1423 // fall through | |
1424 case monitorenter_id: | |
1425 { | |
1426 StubFrame f(sasm, "monitorenter", dont_gc_arguments); | |
1427 OopMap* map = save_live_registers(sasm, 3, save_fpu_registers); | |
1428 | |
304 | 1429 // Called with store_parameter and not C abi |
1430 | |
0 | 1431 f.load_argument(1, rax); // rax,: object |
1432 f.load_argument(0, rbx); // rbx,: lock address | |
1433 | |
1434 int call_offset = __ call_RT(noreg, noreg, CAST_FROM_FN_PTR(address, monitorenter), rax, rbx); | |
1435 | |
1436 oop_maps = new OopMapSet(); | |
1437 oop_maps->add_gc_map(call_offset, map); | |
1438 restore_live_registers(sasm, save_fpu_registers); | |
1439 } | |
1440 break; | |
1441 | |
1442 case monitorexit_nofpu_id: | |
1443 save_fpu_registers = false; | |
1444 // fall through | |
1445 case monitorexit_id: | |
1446 { | |
1447 StubFrame f(sasm, "monitorexit", dont_gc_arguments); | |
1448 OopMap* map = save_live_registers(sasm, 2, save_fpu_registers); | |
1449 | |
304 | 1450 // Called with store_parameter and not C abi |
1451 | |
0 | 1452 f.load_argument(0, rax); // rax,: lock address |
1453 | |
1454 // note: really a leaf routine but must setup last java sp | |
1455 // => use call_RT for now (speed can be improved by | |
1456 // doing last java sp setup manually) | |
1457 int call_offset = __ call_RT(noreg, noreg, CAST_FROM_FN_PTR(address, monitorexit), rax); | |
1458 | |
1459 oop_maps = new OopMapSet(); | |
1460 oop_maps->add_gc_map(call_offset, map); | |
1461 restore_live_registers(sasm, save_fpu_registers); | |
4048
cec1757a0134
7102657: JSR 292: C1 deoptimizes unlinked invokedynamic call sites infinitely
twisti
parents:
3899
diff
changeset
|
1462 } |
cec1757a0134
7102657: JSR 292: C1 deoptimizes unlinked invokedynamic call sites infinitely
twisti
parents:
3899
diff
changeset
|
1463 break; |
0 | 1464 |
4048
cec1757a0134
7102657: JSR 292: C1 deoptimizes unlinked invokedynamic call sites infinitely
twisti
parents:
3899
diff
changeset
|
1465 case deoptimize_id: |
cec1757a0134
7102657: JSR 292: C1 deoptimizes unlinked invokedynamic call sites infinitely
twisti
parents:
3899
diff
changeset
|
1466 { |
cec1757a0134
7102657: JSR 292: C1 deoptimizes unlinked invokedynamic call sites infinitely
twisti
parents:
3899
diff
changeset
|
1467 StubFrame f(sasm, "deoptimize", dont_gc_arguments); |
cec1757a0134
7102657: JSR 292: C1 deoptimizes unlinked invokedynamic call sites infinitely
twisti
parents:
3899
diff
changeset
|
1468 const int num_rt_args = 1; // thread |
cec1757a0134
7102657: JSR 292: C1 deoptimizes unlinked invokedynamic call sites infinitely
twisti
parents:
3899
diff
changeset
|
1469 OopMap* oop_map = save_live_registers(sasm, num_rt_args); |
cec1757a0134
7102657: JSR 292: C1 deoptimizes unlinked invokedynamic call sites infinitely
twisti
parents:
3899
diff
changeset
|
1470 int call_offset = __ call_RT(noreg, noreg, CAST_FROM_FN_PTR(address, deoptimize)); |
cec1757a0134
7102657: JSR 292: C1 deoptimizes unlinked invokedynamic call sites infinitely
twisti
parents:
3899
diff
changeset
|
1471 oop_maps = new OopMapSet(); |
cec1757a0134
7102657: JSR 292: C1 deoptimizes unlinked invokedynamic call sites infinitely
twisti
parents:
3899
diff
changeset
|
1472 oop_maps->add_gc_map(call_offset, oop_map); |
cec1757a0134
7102657: JSR 292: C1 deoptimizes unlinked invokedynamic call sites infinitely
twisti
parents:
3899
diff
changeset
|
1473 restore_live_registers(sasm); |
cec1757a0134
7102657: JSR 292: C1 deoptimizes unlinked invokedynamic call sites infinitely
twisti
parents:
3899
diff
changeset
|
1474 DeoptimizationBlob* deopt_blob = SharedRuntime::deopt_blob(); |
cec1757a0134
7102657: JSR 292: C1 deoptimizes unlinked invokedynamic call sites infinitely
twisti
parents:
3899
diff
changeset
|
1475 assert(deopt_blob != NULL, "deoptimization blob must have been created"); |
cec1757a0134
7102657: JSR 292: C1 deoptimizes unlinked invokedynamic call sites infinitely
twisti
parents:
3899
diff
changeset
|
1476 __ leave(); |
cec1757a0134
7102657: JSR 292: C1 deoptimizes unlinked invokedynamic call sites infinitely
twisti
parents:
3899
diff
changeset
|
1477 __ jump(RuntimeAddress(deopt_blob->unpack_with_reexecution())); |
0 | 1478 } |
1479 break; | |
1480 | |
1481 case access_field_patching_id: | |
1482 { StubFrame f(sasm, "access_field_patching", dont_gc_arguments); | |
1483 // we should set up register map | |
1484 oop_maps = generate_patching(sasm, CAST_FROM_FN_PTR(address, access_field_patching)); | |
1485 } | |
1486 break; | |
1487 | |
1488 case load_klass_patching_id: | |
1489 { StubFrame f(sasm, "load_klass_patching", dont_gc_arguments); | |
1490 // we should set up register map | |
1491 oop_maps = generate_patching(sasm, CAST_FROM_FN_PTR(address, move_klass_patching)); | |
1492 } | |
1493 break; | |
1494 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
5904
diff
changeset
|
1495 case load_mirror_patching_id: |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
5904
diff
changeset
|
1496 { StubFrame f(sasm, "load_mirror_patching", dont_gc_arguments); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
5904
diff
changeset
|
1497 // we should set up register map |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
5904
diff
changeset
|
1498 oop_maps = generate_patching(sasm, CAST_FROM_FN_PTR(address, move_mirror_patching)); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
5904
diff
changeset
|
1499 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
5904
diff
changeset
|
1500 break; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
5904
diff
changeset
|
1501 |
0 | 1502 case dtrace_object_alloc_id: |
1503 { // rax,: object | |
1504 StubFrame f(sasm, "dtrace_object_alloc", dont_gc_arguments); | |
1505 // we can't gc here so skip the oopmap but make sure that all | |
1506 // the live registers get saved. | |
1507 save_live_registers(sasm, 1); | |
1508 | |
304 | 1509 __ NOT_LP64(push(rax)) LP64_ONLY(mov(c_rarg0, rax)); |
0 | 1510 __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, SharedRuntime::dtrace_object_alloc))); |
304 | 1511 NOT_LP64(__ pop(rax)); |
0 | 1512 |
1513 restore_live_registers(sasm); | |
1514 } | |
1515 break; | |
1516 | |
1517 case fpu2long_stub_id: | |
1518 { | |
1519 // rax, and rdx are destroyed, but should be free since the result is returned there | |
1520 // preserve rsi,ecx | |
304 | 1521 __ push(rsi); |
1522 __ push(rcx); | |
1523 LP64_ONLY(__ push(rdx);) | |
0 | 1524 |
1525 // check for NaN | |
1526 Label return0, do_return, return_min_jlong, do_convert; | |
1527 | |
304 | 1528 Address value_high_word(rsp, wordSize + 4); |
1529 Address value_low_word(rsp, wordSize); | |
1530 Address result_high_word(rsp, 3*wordSize + 4); | |
1531 Address result_low_word(rsp, 3*wordSize); | |
0 | 1532 |
304 | 1533 __ subptr(rsp, 32); // more than enough on 32bit |
0 | 1534 __ fst_d(value_low_word); |
1535 __ movl(rax, value_high_word); | |
1536 __ andl(rax, 0x7ff00000); | |
1537 __ cmpl(rax, 0x7ff00000); | |
1538 __ jcc(Assembler::notEqual, do_convert); | |
1539 __ movl(rax, value_high_word); | |
1540 __ andl(rax, 0xfffff); | |
1541 __ orl(rax, value_low_word); | |
1542 __ jcc(Assembler::notZero, return0); | |
1543 | |
1544 __ bind(do_convert); | |
1545 __ fnstcw(Address(rsp, 0)); | |
304 | 1546 __ movzwl(rax, Address(rsp, 0)); |
0 | 1547 __ orl(rax, 0xc00); |
1548 __ movw(Address(rsp, 2), rax); | |
1549 __ fldcw(Address(rsp, 2)); | |
1550 __ fwait(); | |
1551 __ fistp_d(result_low_word); | |
1552 __ fldcw(Address(rsp, 0)); | |
1553 __ fwait(); | |
304 | 1554 // This gets the entire long in rax on 64bit |
1555 __ movptr(rax, result_low_word); | |
1556 // testing of high bits | |
0 | 1557 __ movl(rdx, result_high_word); |
304 | 1558 __ mov(rcx, rax); |
0 | 1559 // What the heck is the point of the next instruction??? |
1560 __ xorl(rcx, 0x0); | |
1561 __ movl(rsi, 0x80000000); | |
1562 __ xorl(rsi, rdx); | |
1563 __ orl(rcx, rsi); | |
1564 __ jcc(Assembler::notEqual, do_return); | |
1565 __ fldz(); | |
1566 __ fcomp_d(value_low_word); | |
1567 __ fnstsw_ax(); | |
304 | 1568 #ifdef _LP64 |
1569 __ testl(rax, 0x4100); // ZF & CF == 0 | |
1570 __ jcc(Assembler::equal, return_min_jlong); | |
1571 #else | |
0 | 1572 __ sahf(); |
1573 __ jcc(Assembler::above, return_min_jlong); | |
304 | 1574 #endif // _LP64 |
0 | 1575 // return max_jlong |
304 | 1576 #ifndef _LP64 |
0 | 1577 __ movl(rdx, 0x7fffffff); |
1578 __ movl(rax, 0xffffffff); | |
304 | 1579 #else |
1580 __ mov64(rax, CONST64(0x7fffffffffffffff)); | |
1581 #endif // _LP64 | |
0 | 1582 __ jmp(do_return); |
1583 | |
1584 __ bind(return_min_jlong); | |
304 | 1585 #ifndef _LP64 |
0 | 1586 __ movl(rdx, 0x80000000); |
1587 __ xorl(rax, rax); | |
304 | 1588 #else |
1589 __ mov64(rax, CONST64(0x8000000000000000)); | |
1590 #endif // _LP64 | |
0 | 1591 __ jmp(do_return); |
1592 | |
1593 __ bind(return0); | |
1594 __ fpop(); | |
304 | 1595 #ifndef _LP64 |
1596 __ xorptr(rdx,rdx); | |
1597 __ xorptr(rax,rax); | |
1598 #else | |
1599 __ xorptr(rax, rax); | |
1600 #endif // _LP64 | |
0 | 1601 |
1602 __ bind(do_return); | |
304 | 1603 __ addptr(rsp, 32); |
1604 LP64_ONLY(__ pop(rdx);) | |
1605 __ pop(rcx); | |
1606 __ pop(rsi); | |
0 | 1607 __ ret(0); |
1608 } | |
1609 break; | |
1610 | |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
6725
diff
changeset
|
1611 #if INCLUDE_ALL_GCS |
342 | 1612 case g1_pre_barrier_slow_id: |
1613 { | |
1614 StubFrame f(sasm, "g1_pre_barrier", dont_gc_arguments); | |
1615 // arg0 : previous value of memory | |
1616 | |
1617 BarrierSet* bs = Universe::heap()->barrier_set(); | |
1618 if (bs->kind() != BarrierSet::G1SATBCTLogging) { | |
362 | 1619 __ movptr(rax, (int)id); |
342 | 1620 __ call_RT(noreg, noreg, CAST_FROM_FN_PTR(address, unimplemented_entry), rax); |
1621 __ should_not_reach_here(); | |
1622 break; | |
1623 } | |
362 | 1624 __ push(rax); |
1625 __ push(rdx); | |
342 | 1626 |
1627 const Register pre_val = rax; | |
362 | 1628 const Register thread = NOT_LP64(rax) LP64_ONLY(r15_thread); |
342 | 1629 const Register tmp = rdx; |
1630 | |
362 | 1631 NOT_LP64(__ get_thread(thread);) |
342 | 1632 |
1633 Address in_progress(thread, in_bytes(JavaThread::satb_mark_queue_offset() + | |
1634 PtrQueue::byte_offset_of_active())); | |
1635 | |
1636 Address queue_index(thread, in_bytes(JavaThread::satb_mark_queue_offset() + | |
1637 PtrQueue::byte_offset_of_index())); | |
1638 Address buffer(thread, in_bytes(JavaThread::satb_mark_queue_offset() + | |
1639 PtrQueue::byte_offset_of_buf())); | |
1640 | |
1641 | |
1642 Label done; | |
1643 Label runtime; | |
1644 | |
1645 // Can we store original value in the thread's buffer? | |
1646 | |
362 | 1647 #ifdef _LP64 |
1572 | 1648 __ movslq(tmp, queue_index); |
362 | 1649 __ cmpq(tmp, 0); |
1650 #else | |
342 | 1651 __ cmpl(queue_index, 0); |
362 | 1652 #endif |
342 | 1653 __ jcc(Assembler::equal, runtime); |
362 | 1654 #ifdef _LP64 |
1655 __ subq(tmp, wordSize); | |
1656 __ movl(queue_index, tmp); | |
1657 __ addq(tmp, buffer); | |
1658 #else | |
342 | 1659 __ subl(queue_index, wordSize); |
1660 __ movl(tmp, buffer); | |
1661 __ addl(tmp, queue_index); | |
362 | 1662 #endif |
1663 | |
342 | 1664 // prev_val (rax) |
1665 f.load_argument(0, pre_val); | |
362 | 1666 __ movptr(Address(tmp, 0), pre_val); |
342 | 1667 __ jmp(done); |
1668 | |
1669 __ bind(runtime); | |
1572 | 1670 __ push(rcx); |
1671 #ifdef _LP64 | |
1672 __ push(r8); | |
1673 __ push(r9); | |
1674 __ push(r10); | |
1675 __ push(r11); | |
1676 # ifndef _WIN64 | |
1677 __ push(rdi); | |
1678 __ push(rsi); | |
1679 # endif | |
1680 #endif | |
342 | 1681 // load the pre-value |
1682 f.load_argument(0, rcx); | |
1683 __ call_VM_leaf(CAST_FROM_FN_PTR(address, SharedRuntime::g1_wb_pre), rcx, thread); | |
1572 | 1684 #ifdef _LP64 |
1685 # ifndef _WIN64 | |
1686 __ pop(rsi); | |
1687 __ pop(rdi); | |
1688 # endif | |
1689 __ pop(r11); | |
1690 __ pop(r10); | |
1691 __ pop(r9); | |
1692 __ pop(r8); | |
1693 #endif | |
362 | 1694 __ pop(rcx); |
1572 | 1695 __ bind(done); |
342 | 1696 |
362 | 1697 __ pop(rdx); |
1698 __ pop(rax); | |
342 | 1699 } |
1700 break; | |
1701 | |
1702 case g1_post_barrier_slow_id: | |
1703 { | |
1704 StubFrame f(sasm, "g1_post_barrier", dont_gc_arguments); | |
1705 | |
1706 | |
1707 // arg0: store_address | |
1708 Address store_addr(rbp, 2*BytesPerWord); | |
1709 | |
1710 BarrierSet* bs = Universe::heap()->barrier_set(); | |
1711 CardTableModRefBS* ct = (CardTableModRefBS*)bs; | |
1712 Label done; | |
1713 Label runtime; | |
1714 | |
1715 // At this point we know new_value is non-NULL and the new_value crosses regsion. | |
1716 // Must check to see if card is already dirty | |
1717 | |
362 | 1718 const Register thread = NOT_LP64(rax) LP64_ONLY(r15_thread); |
342 | 1719 |
1720 Address queue_index(thread, in_bytes(JavaThread::dirty_card_queue_offset() + | |
1721 PtrQueue::byte_offset_of_index())); | |
1722 Address buffer(thread, in_bytes(JavaThread::dirty_card_queue_offset() + | |
1723 PtrQueue::byte_offset_of_buf())); | |
1724 | |
362 | 1725 __ push(rax); |
1572 | 1726 __ push(rcx); |
342 | 1727 |
362 | 1728 NOT_LP64(__ get_thread(thread);) |
1729 ExternalAddress cardtable((address)ct->byte_map_base); | |
342 | 1730 assert(sizeof(*ct->byte_map_base) == sizeof(jbyte), "adjust this code"); |
1731 | |
1572 | 1732 const Register card_addr = rcx; |
362 | 1733 #ifdef _LP64 |
1734 const Register tmp = rscratch1; | |
1735 f.load_argument(0, card_addr); | |
1736 __ shrq(card_addr, CardTableModRefBS::card_shift); | |
1737 __ lea(tmp, cardtable); | |
1738 // get the address of the card | |
1739 __ addq(card_addr, tmp); | |
1740 #else | |
1572 | 1741 const Register card_index = rcx; |
362 | 1742 f.load_argument(0, card_index); |
1743 __ shrl(card_index, CardTableModRefBS::card_shift); | |
1744 | |
342 | 1745 Address index(noreg, card_index, Address::times_1); |
1746 __ leal(card_addr, __ as_Address(ArrayAddress(cardtable, index))); | |
362 | 1747 #endif |
1748 | |
342 | 1749 __ cmpb(Address(card_addr, 0), 0); |
1750 __ jcc(Assembler::equal, done); | |
1751 | |
1752 // storing region crossing non-NULL, card is clean. | |
1753 // dirty card and log. | |
1754 | |
1755 __ movb(Address(card_addr, 0), 0); | |
1756 | |
1757 __ cmpl(queue_index, 0); | |
1758 __ jcc(Assembler::equal, runtime); | |
1759 __ subl(queue_index, wordSize); | |
1760 | |
1761 const Register buffer_addr = rbx; | |
362 | 1762 __ push(rbx); |
1763 | |
1764 __ movptr(buffer_addr, buffer); | |
342 | 1765 |
362 | 1766 #ifdef _LP64 |
1767 __ movslq(rscratch1, queue_index); | |
1768 __ addptr(buffer_addr, rscratch1); | |
1769 #else | |
1770 __ addptr(buffer_addr, queue_index); | |
1771 #endif | |
1772 __ movptr(Address(buffer_addr, 0), card_addr); | |
1773 | |
1774 __ pop(rbx); | |
342 | 1775 __ jmp(done); |
1776 | |
1777 __ bind(runtime); | |
1572 | 1778 __ push(rdx); |
1779 #ifdef _LP64 | |
1780 __ push(r8); | |
1781 __ push(r9); | |
1782 __ push(r10); | |
1783 __ push(r11); | |
1784 # ifndef _WIN64 | |
1785 __ push(rdi); | |
1786 __ push(rsi); | |
1787 # endif | |
1788 #endif | |
342 | 1789 __ call_VM_leaf(CAST_FROM_FN_PTR(address, SharedRuntime::g1_wb_post), card_addr, thread); |
1572 | 1790 #ifdef _LP64 |
1791 # ifndef _WIN64 | |
1792 __ pop(rsi); | |
1793 __ pop(rdi); | |
1794 # endif | |
1795 __ pop(r11); | |
1796 __ pop(r10); | |
1797 __ pop(r9); | |
1798 __ pop(r8); | |
1799 #endif | |
1800 __ pop(rdx); | |
1801 __ bind(done); | |
342 | 1802 |
1572 | 1803 __ pop(rcx); |
362 | 1804 __ pop(rax); |
342 | 1805 |
1806 } | |
1807 break; | |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
6725
diff
changeset
|
1808 #endif // INCLUDE_ALL_GCS |
342 | 1809 |
0 | 1810 default: |
1811 { StubFrame f(sasm, "unimplemented entry", dont_gc_arguments); | |
304 | 1812 __ movptr(rax, (int)id); |
0 | 1813 __ call_RT(noreg, noreg, CAST_FROM_FN_PTR(address, unimplemented_entry), rax); |
1814 __ should_not_reach_here(); | |
1815 } | |
1816 break; | |
1817 } | |
1818 return oop_maps; | |
1819 } | |
1820 | |
1821 #undef __ | |
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1579
diff
changeset
|
1822 |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1579
diff
changeset
|
1823 const char *Runtime1::pd_name_for_address(address entry) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1579
diff
changeset
|
1824 return "<unknown function>"; |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1579
diff
changeset
|
1825 } |