Mercurial > hg > truffle
annotate src/share/vm/runtime/sharedRuntime.cpp @ 9025:ff5a32117e02
Implement fast invocation of installed code (direct tail call to the target machine code address).
| author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
|---|---|
| date | Fri, 12 Apr 2013 01:53:52 +0200 |
| parents | f94bb5d20e5d |
| children | f491f51e96b5 |
| rev | line source |
|---|---|
| 0 | 1 /* |
|
4872
aa3d708d67c4
7141200: log some interesting information in ring buffers for crashes
never
parents:
4807
diff
changeset
|
2 * Copyright (c) 1997, 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:
1507
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1507
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:
1507
diff
changeset
|
21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #include "precompiled.hpp" |
| 26 #include "classfile/systemDictionary.hpp" | |
| 27 #include "classfile/vmSymbols.hpp" | |
| 28 #include "code/compiledIC.hpp" | |
| 29 #include "code/scopeDesc.hpp" | |
| 30 #include "code/vtableStubs.hpp" | |
| 31 #include "compiler/abstractCompiler.hpp" | |
| 32 #include "compiler/compileBroker.hpp" | |
| 33 #include "compiler/compilerOracle.hpp" | |
|
7199
cd3d6a6b95d9
8003240: x86: move MacroAssembler into separate file
twisti
parents:
6983
diff
changeset
|
34 #include "compiler/disassembler.hpp" |
| 1972 | 35 #include "interpreter/interpreter.hpp" |
| 36 #include "interpreter/interpreterRuntime.hpp" | |
| 37 #include "memory/gcLocker.inline.hpp" | |
| 38 #include "memory/universe.inline.hpp" | |
| 39 #include "oops/oop.inline.hpp" | |
| 40 #include "prims/forte.hpp" | |
| 41 #include "prims/jvmtiExport.hpp" | |
| 42 #include "prims/jvmtiRedefineClassesTrace.hpp" | |
| 43 #include "prims/methodHandles.hpp" | |
| 44 #include "prims/nativeLookup.hpp" | |
| 45 #include "runtime/arguments.hpp" | |
| 46 #include "runtime/biasedLocking.hpp" | |
| 47 #include "runtime/handles.inline.hpp" | |
| 48 #include "runtime/init.hpp" | |
| 49 #include "runtime/interfaceSupport.hpp" | |
| 50 #include "runtime/javaCalls.hpp" | |
| 51 #include "runtime/sharedRuntime.hpp" | |
| 52 #include "runtime/stubRoutines.hpp" | |
| 53 #include "runtime/vframe.hpp" | |
| 54 #include "runtime/vframeArray.hpp" | |
| 55 #include "utilities/copy.hpp" | |
| 56 #include "utilities/dtrace.hpp" | |
| 57 #include "utilities/events.hpp" | |
| 58 #include "utilities/hashtable.inline.hpp" | |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7469
diff
changeset
|
59 #include "utilities/macros.hpp" |
| 1972 | 60 #include "utilities/xmlstream.hpp" |
| 61 #ifdef TARGET_ARCH_x86 | |
| 62 # include "nativeInst_x86.hpp" | |
| 63 # include "vmreg_x86.inline.hpp" | |
| 64 #endif | |
| 65 #ifdef TARGET_ARCH_sparc | |
| 66 # include "nativeInst_sparc.hpp" | |
| 67 # include "vmreg_sparc.inline.hpp" | |
| 68 #endif | |
| 69 #ifdef TARGET_ARCH_zero | |
| 70 # include "nativeInst_zero.hpp" | |
| 71 # include "vmreg_zero.inline.hpp" | |
| 72 #endif | |
|
2192
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
73 #ifdef TARGET_ARCH_arm |
|
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
74 # include "nativeInst_arm.hpp" |
|
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
75 # include "vmreg_arm.inline.hpp" |
|
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
76 #endif |
|
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
77 #ifdef TARGET_ARCH_ppc |
|
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
78 # include "nativeInst_ppc.hpp" |
|
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
79 # include "vmreg_ppc.inline.hpp" |
|
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
80 #endif |
| 1972 | 81 #ifdef COMPILER1 |
| 82 #include "c1/c1_Runtime1.hpp" | |
| 83 #endif | |
| 84 | |
|
3442
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
85 // Shared stub locations |
|
9023
f94bb5d20e5d
Rename MethodInvalidatedException to InvalidInstalledCodeException (and make it a checked exception). Make sure that a compiled code object can always be directly called without first doing a check on the native method pointer.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
8968
diff
changeset
|
86 RuntimeStub* SharedRuntime::_deoptimized_installed_code_blob; |
|
3442
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
87 RuntimeStub* SharedRuntime::_wrong_method_blob; |
|
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
88 RuntimeStub* SharedRuntime::_ic_miss_blob; |
|
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
89 RuntimeStub* SharedRuntime::_resolve_opt_virtual_call_blob; |
|
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
90 RuntimeStub* SharedRuntime::_resolve_virtual_call_blob; |
|
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
91 RuntimeStub* SharedRuntime::_resolve_static_call_blob; |
|
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
92 |
|
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
93 DeoptimizationBlob* SharedRuntime::_deopt_blob; |
|
6792
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
94 SafepointBlob* SharedRuntime::_polling_page_vectors_safepoint_handler_blob; |
|
3442
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
95 SafepointBlob* SharedRuntime::_polling_page_safepoint_handler_blob; |
|
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
96 SafepointBlob* SharedRuntime::_polling_page_return_handler_blob; |
|
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
97 |
|
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
98 #ifdef COMPILER2 |
|
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
99 UncommonTrapBlob* SharedRuntime::_uncommon_trap_blob; |
|
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
100 #endif // COMPILER2 |
|
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
101 |
|
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
102 |
|
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
103 //----------------------------generate_stubs----------------------------------- |
|
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
104 void SharedRuntime::generate_stubs() { |
|
9023
f94bb5d20e5d
Rename MethodInvalidatedException to InvalidInstalledCodeException (and make it a checked exception). Make sure that a compiled code object can always be directly called without first doing a check on the native method pointer.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
8968
diff
changeset
|
105 _deoptimized_installed_code_blob = generate_resolve_blob(CAST_FROM_FN_PTR(address, SharedRuntime::handle_deoptimized_installed_code), "deoptimized_installed_code"); |
|
3442
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
106 _wrong_method_blob = generate_resolve_blob(CAST_FROM_FN_PTR(address, SharedRuntime::handle_wrong_method), "wrong_method_stub"); |
|
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
107 _ic_miss_blob = generate_resolve_blob(CAST_FROM_FN_PTR(address, SharedRuntime::handle_wrong_method_ic_miss), "ic_miss_stub"); |
|
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
108 _resolve_opt_virtual_call_blob = generate_resolve_blob(CAST_FROM_FN_PTR(address, SharedRuntime::resolve_opt_virtual_call_C), "resolve_opt_virtual_call"); |
|
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
109 _resolve_virtual_call_blob = generate_resolve_blob(CAST_FROM_FN_PTR(address, SharedRuntime::resolve_virtual_call_C), "resolve_virtual_call"); |
|
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
110 _resolve_static_call_blob = generate_resolve_blob(CAST_FROM_FN_PTR(address, SharedRuntime::resolve_static_call_C), "resolve_static_call"); |
|
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
111 |
|
6792
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
112 #ifdef COMPILER2 |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
113 // Vectors are generated only by C2. |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
114 if (is_wide_vector(MaxVectorSize)) { |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
115 _polling_page_vectors_safepoint_handler_blob = generate_handler_blob(CAST_FROM_FN_PTR(address, SafepointSynchronize::handle_polling_page_exception), POLL_AT_VECTOR_LOOP); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
116 } |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
117 #endif // COMPILER2 |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
118 _polling_page_safepoint_handler_blob = generate_handler_blob(CAST_FROM_FN_PTR(address, SafepointSynchronize::handle_polling_page_exception), POLL_AT_LOOP); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
119 _polling_page_return_handler_blob = generate_handler_blob(CAST_FROM_FN_PTR(address, SafepointSynchronize::handle_polling_page_exception), POLL_AT_RETURN); |
|
3442
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
120 |
|
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
121 generate_deopt_blob(); |
|
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
122 |
|
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
123 #ifdef COMPILER2 |
|
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
124 generate_uncommon_trap_blob(); |
|
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
125 #endif // COMPILER2 |
|
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
126 } |
|
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
127 |
| 0 | 128 #include <math.h> |
| 129 | |
| 4006 | 130 #ifndef USDT2 |
| 0 | 131 HS_DTRACE_PROBE_DECL4(hotspot, object__alloc, Thread*, char*, int, size_t); |
| 132 HS_DTRACE_PROBE_DECL7(hotspot, method__entry, int, | |
| 133 char*, int, char*, int, char*, int); | |
| 134 HS_DTRACE_PROBE_DECL7(hotspot, method__return, int, | |
| 135 char*, int, char*, int, char*, int); | |
| 4006 | 136 #endif /* !USDT2 */ |
| 0 | 137 |
| 138 // Implementation of SharedRuntime | |
| 139 | |
| 140 #ifndef PRODUCT | |
| 141 // For statistics | |
| 142 int SharedRuntime::_ic_miss_ctr = 0; | |
| 143 int SharedRuntime::_wrong_method_ctr = 0; | |
| 144 int SharedRuntime::_resolve_static_ctr = 0; | |
| 145 int SharedRuntime::_resolve_virtual_ctr = 0; | |
| 146 int SharedRuntime::_resolve_opt_virtual_ctr = 0; | |
| 147 int SharedRuntime::_implicit_null_throws = 0; | |
| 148 int SharedRuntime::_implicit_div0_throws = 0; | |
| 149 int SharedRuntime::_throw_null_ctr = 0; | |
| 150 | |
| 151 int SharedRuntime::_nof_normal_calls = 0; | |
| 152 int SharedRuntime::_nof_optimized_calls = 0; | |
| 153 int SharedRuntime::_nof_inlined_calls = 0; | |
| 154 int SharedRuntime::_nof_megamorphic_calls = 0; | |
| 155 int SharedRuntime::_nof_static_calls = 0; | |
| 156 int SharedRuntime::_nof_inlined_static_calls = 0; | |
| 157 int SharedRuntime::_nof_interface_calls = 0; | |
| 158 int SharedRuntime::_nof_optimized_interface_calls = 0; | |
| 159 int SharedRuntime::_nof_inlined_interface_calls = 0; | |
| 160 int SharedRuntime::_nof_megamorphic_interface_calls = 0; | |
| 161 int SharedRuntime::_nof_removable_exceptions = 0; | |
| 162 | |
| 163 int SharedRuntime::_new_instance_ctr=0; | |
| 164 int SharedRuntime::_new_array_ctr=0; | |
| 165 int SharedRuntime::_multi1_ctr=0; | |
| 166 int SharedRuntime::_multi2_ctr=0; | |
| 167 int SharedRuntime::_multi3_ctr=0; | |
| 168 int SharedRuntime::_multi4_ctr=0; | |
| 169 int SharedRuntime::_multi5_ctr=0; | |
| 170 int SharedRuntime::_mon_enter_stub_ctr=0; | |
| 171 int SharedRuntime::_mon_exit_stub_ctr=0; | |
| 172 int SharedRuntime::_mon_enter_ctr=0; | |
| 173 int SharedRuntime::_mon_exit_ctr=0; | |
| 174 int SharedRuntime::_partial_subtype_ctr=0; | |
| 175 int SharedRuntime::_jbyte_array_copy_ctr=0; | |
| 176 int SharedRuntime::_jshort_array_copy_ctr=0; | |
| 177 int SharedRuntime::_jint_array_copy_ctr=0; | |
| 178 int SharedRuntime::_jlong_array_copy_ctr=0; | |
| 179 int SharedRuntime::_oop_array_copy_ctr=0; | |
| 180 int SharedRuntime::_checkcast_array_copy_ctr=0; | |
| 181 int SharedRuntime::_unsafe_array_copy_ctr=0; | |
| 182 int SharedRuntime::_generic_array_copy_ctr=0; | |
| 183 int SharedRuntime::_slow_array_copy_ctr=0; | |
| 184 int SharedRuntime::_find_handler_ctr=0; | |
| 185 int SharedRuntime::_rethrow_ctr=0; | |
| 186 | |
| 187 int SharedRuntime::_ICmiss_index = 0; | |
| 188 int SharedRuntime::_ICmiss_count[SharedRuntime::maxICmiss_count]; | |
| 189 address SharedRuntime::_ICmiss_at[SharedRuntime::maxICmiss_count]; | |
| 190 | |
|
3442
f7d55ea6ee56
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
191 |
| 0 | 192 void SharedRuntime::trace_ic_miss(address at) { |
| 193 for (int i = 0; i < _ICmiss_index; i++) { | |
| 194 if (_ICmiss_at[i] == at) { | |
| 195 _ICmiss_count[i]++; | |
| 196 return; | |
| 197 } | |
| 198 } | |
| 199 int index = _ICmiss_index++; | |
| 200 if (_ICmiss_index >= maxICmiss_count) _ICmiss_index = maxICmiss_count - 1; | |
| 201 _ICmiss_at[index] = at; | |
| 202 _ICmiss_count[index] = 1; | |
| 203 } | |
| 204 | |
| 205 void SharedRuntime::print_ic_miss_histogram() { | |
| 206 if (ICMissHistogram) { | |
| 207 tty->print_cr ("IC Miss Histogram:"); | |
| 208 int tot_misses = 0; | |
| 209 for (int i = 0; i < _ICmiss_index; i++) { | |
| 210 tty->print_cr(" at: " INTPTR_FORMAT " nof: %d", _ICmiss_at[i], _ICmiss_count[i]); | |
| 211 tot_misses += _ICmiss_count[i]; | |
| 212 } | |
| 213 tty->print_cr ("Total IC misses: %7d", tot_misses); | |
| 214 } | |
| 215 } | |
| 216 #endif // PRODUCT | |
| 217 | |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7469
diff
changeset
|
218 #if INCLUDE_ALL_GCS |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
128
diff
changeset
|
219 |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
128
diff
changeset
|
220 // G1 write-barrier pre: executed before a pointer store. |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
128
diff
changeset
|
221 JRT_LEAF(void, SharedRuntime::g1_wb_pre(oopDesc* orig, JavaThread *thread)) |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
128
diff
changeset
|
222 if (orig == NULL) { |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
128
diff
changeset
|
223 assert(false, "should be optimized out"); |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
128
diff
changeset
|
224 return; |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
128
diff
changeset
|
225 } |
|
845
df6caf649ff7
6700789: G1: Enable use of compressed oops with G1 heaps
ysr
parents:
742
diff
changeset
|
226 assert(orig->is_oop(true /* ignore mark word */), "Error"); |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
128
diff
changeset
|
227 // store the original value that was in the field reference |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
128
diff
changeset
|
228 thread->satb_mark_queue().enqueue(orig); |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
128
diff
changeset
|
229 JRT_END |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
128
diff
changeset
|
230 |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
128
diff
changeset
|
231 // G1 write-barrier post: executed after a pointer store. |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
128
diff
changeset
|
232 JRT_LEAF(void, SharedRuntime::g1_wb_post(void* card_addr, JavaThread* thread)) |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
128
diff
changeset
|
233 thread->dirty_card_queue().enqueue(card_addr); |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
128
diff
changeset
|
234 JRT_END |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
128
diff
changeset
|
235 |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7469
diff
changeset
|
236 #endif // INCLUDE_ALL_GCS |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
128
diff
changeset
|
237 |
| 0 | 238 |
| 239 JRT_LEAF(jlong, SharedRuntime::lmul(jlong y, jlong x)) | |
| 240 return x * y; | |
| 241 JRT_END | |
| 242 | |
| 243 | |
| 244 JRT_LEAF(jlong, SharedRuntime::ldiv(jlong y, jlong x)) | |
| 245 if (x == min_jlong && y == CONST64(-1)) { | |
| 246 return x; | |
| 247 } else { | |
| 248 return x / y; | |
| 249 } | |
| 250 JRT_END | |
| 251 | |
| 252 | |
| 253 JRT_LEAF(jlong, SharedRuntime::lrem(jlong y, jlong x)) | |
| 254 if (x == min_jlong && y == CONST64(-1)) { | |
| 255 return 0; | |
| 256 } else { | |
| 257 return x % y; | |
| 258 } | |
| 259 JRT_END | |
| 260 | |
| 261 | |
| 262 const juint float_sign_mask = 0x7FFFFFFF; | |
| 263 const juint float_infinity = 0x7F800000; | |
| 264 const julong double_sign_mask = CONST64(0x7FFFFFFFFFFFFFFF); | |
| 265 const julong double_infinity = CONST64(0x7FF0000000000000); | |
| 266 | |
| 267 JRT_LEAF(jfloat, SharedRuntime::frem(jfloat x, jfloat y)) | |
| 268 #ifdef _WIN64 | |
| 269 // 64-bit Windows on amd64 returns the wrong values for | |
| 270 // infinity operands. | |
| 271 union { jfloat f; juint i; } xbits, ybits; | |
| 272 xbits.f = x; | |
| 273 ybits.f = y; | |
| 274 // x Mod Infinity == x unless x is infinity | |
| 275 if ( ((xbits.i & float_sign_mask) != float_infinity) && | |
| 276 ((ybits.i & float_sign_mask) == float_infinity) ) { | |
| 277 return x; | |
| 278 } | |
| 279 #endif | |
| 280 return ((jfloat)fmod((double)x,(double)y)); | |
| 281 JRT_END | |
| 282 | |
| 283 | |
| 284 JRT_LEAF(jdouble, SharedRuntime::drem(jdouble x, jdouble y)) | |
| 285 #ifdef _WIN64 | |
| 286 union { jdouble d; julong l; } xbits, ybits; | |
| 287 xbits.d = x; | |
| 288 ybits.d = y; | |
| 289 // x Mod Infinity == x unless x is infinity | |
| 290 if ( ((xbits.l & double_sign_mask) != double_infinity) && | |
| 291 ((ybits.l & double_sign_mask) == double_infinity) ) { | |
| 292 return x; | |
| 293 } | |
| 294 #endif | |
| 295 return ((jdouble)fmod((double)x,(double)y)); | |
| 296 JRT_END | |
| 297 | |
|
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
298 #ifdef __SOFTFP__ |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
299 JRT_LEAF(jfloat, SharedRuntime::fadd(jfloat x, jfloat y)) |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
300 return x + y; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
301 JRT_END |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
302 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
303 JRT_LEAF(jfloat, SharedRuntime::fsub(jfloat x, jfloat y)) |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
304 return x - y; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
305 JRT_END |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
306 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
307 JRT_LEAF(jfloat, SharedRuntime::fmul(jfloat x, jfloat y)) |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
308 return x * y; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
309 JRT_END |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
310 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
311 JRT_LEAF(jfloat, SharedRuntime::fdiv(jfloat x, jfloat y)) |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
312 return x / y; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
313 JRT_END |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
314 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
315 JRT_LEAF(jdouble, SharedRuntime::dadd(jdouble x, jdouble y)) |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
316 return x + y; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
317 JRT_END |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
318 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
319 JRT_LEAF(jdouble, SharedRuntime::dsub(jdouble x, jdouble y)) |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
320 return x - y; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
321 JRT_END |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
322 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
323 JRT_LEAF(jdouble, SharedRuntime::dmul(jdouble x, jdouble y)) |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
324 return x * y; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
325 JRT_END |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
326 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
327 JRT_LEAF(jdouble, SharedRuntime::ddiv(jdouble x, jdouble y)) |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
328 return x / y; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
329 JRT_END |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
330 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
331 JRT_LEAF(jfloat, SharedRuntime::i2f(jint x)) |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
332 return (jfloat)x; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
333 JRT_END |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
334 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
335 JRT_LEAF(jdouble, SharedRuntime::i2d(jint x)) |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
336 return (jdouble)x; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
337 JRT_END |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
338 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
339 JRT_LEAF(jdouble, SharedRuntime::f2d(jfloat x)) |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
340 return (jdouble)x; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
341 JRT_END |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
342 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
343 JRT_LEAF(int, SharedRuntime::fcmpl(float x, float y)) |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
344 return x>y ? 1 : (x==y ? 0 : -1); /* x<y or is_nan*/ |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
345 JRT_END |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
346 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
347 JRT_LEAF(int, SharedRuntime::fcmpg(float x, float y)) |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
348 return x<y ? -1 : (x==y ? 0 : 1); /* x>y or is_nan */ |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
349 JRT_END |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
350 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
351 JRT_LEAF(int, SharedRuntime::dcmpl(double x, double y)) |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
352 return x>y ? 1 : (x==y ? 0 : -1); /* x<y or is_nan */ |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
353 JRT_END |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
354 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
355 JRT_LEAF(int, SharedRuntime::dcmpg(double x, double y)) |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
356 return x<y ? -1 : (x==y ? 0 : 1); /* x>y or is_nan */ |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
357 JRT_END |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
358 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
359 // Functions to return the opposite of the aeabi functions for nan. |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
360 JRT_LEAF(int, SharedRuntime::unordered_fcmplt(float x, float y)) |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
361 return (x < y) ? 1 : ((g_isnan(x) || g_isnan(y)) ? 1 : 0); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
362 JRT_END |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
363 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
364 JRT_LEAF(int, SharedRuntime::unordered_dcmplt(double x, double y)) |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
365 return (x < y) ? 1 : ((g_isnan(x) || g_isnan(y)) ? 1 : 0); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
366 JRT_END |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
367 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
368 JRT_LEAF(int, SharedRuntime::unordered_fcmple(float x, float y)) |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
369 return (x <= y) ? 1 : ((g_isnan(x) || g_isnan(y)) ? 1 : 0); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
370 JRT_END |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
371 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
372 JRT_LEAF(int, SharedRuntime::unordered_dcmple(double x, double y)) |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
373 return (x <= y) ? 1 : ((g_isnan(x) || g_isnan(y)) ? 1 : 0); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
374 JRT_END |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
375 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
376 JRT_LEAF(int, SharedRuntime::unordered_fcmpge(float x, float y)) |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
377 return (x >= y) ? 1 : ((g_isnan(x) || g_isnan(y)) ? 1 : 0); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
378 JRT_END |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
379 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
380 JRT_LEAF(int, SharedRuntime::unordered_dcmpge(double x, double y)) |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
381 return (x >= y) ? 1 : ((g_isnan(x) || g_isnan(y)) ? 1 : 0); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
382 JRT_END |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
383 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
384 JRT_LEAF(int, SharedRuntime::unordered_fcmpgt(float x, float y)) |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
385 return (x > y) ? 1 : ((g_isnan(x) || g_isnan(y)) ? 1 : 0); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
386 JRT_END |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
387 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
388 JRT_LEAF(int, SharedRuntime::unordered_dcmpgt(double x, double y)) |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
389 return (x > y) ? 1 : ((g_isnan(x) || g_isnan(y)) ? 1 : 0); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
390 JRT_END |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
391 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
392 // Intrinsics make gcc generate code for these. |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
393 float SharedRuntime::fneg(float f) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
394 return -f; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
395 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
396 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
397 double SharedRuntime::dneg(double f) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
398 return -f; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
399 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
400 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
401 #endif // __SOFTFP__ |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
402 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
403 #if defined(__SOFTFP__) || defined(E500V2) |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
404 // Intrinsics make gcc generate code for these. |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
405 double SharedRuntime::dabs(double f) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
406 return (f <= (double)0.0) ? (double)0.0 - f : f; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
407 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
408 |
|
1868
3dc12ef8735e
6989297: Integrate additional portability improvements
bobv
parents:
1793
diff
changeset
|
409 #endif |
|
3dc12ef8735e
6989297: Integrate additional portability improvements
bobv
parents:
1793
diff
changeset
|
410 |
|
3dc12ef8735e
6989297: Integrate additional portability improvements
bobv
parents:
1793
diff
changeset
|
411 #if defined(__SOFTFP__) || defined(PPC) |
|
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
412 double SharedRuntime::dsqrt(double f) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
413 return sqrt(f); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
414 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
415 #endif |
| 0 | 416 |
| 417 JRT_LEAF(jint, SharedRuntime::f2i(jfloat x)) | |
|
508
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
418 if (g_isnan(x)) |
|
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
419 return 0; |
|
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
420 if (x >= (jfloat) max_jint) |
|
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
421 return max_jint; |
|
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
422 if (x <= (jfloat) min_jint) |
|
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
423 return min_jint; |
|
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
424 return (jint) x; |
| 0 | 425 JRT_END |
| 426 | |
| 427 | |
| 428 JRT_LEAF(jlong, SharedRuntime::f2l(jfloat x)) | |
|
508
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
429 if (g_isnan(x)) |
|
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
430 return 0; |
|
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
431 if (x >= (jfloat) max_jlong) |
|
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
432 return max_jlong; |
|
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
433 if (x <= (jfloat) min_jlong) |
|
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
434 return min_jlong; |
|
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
435 return (jlong) x; |
| 0 | 436 JRT_END |
| 437 | |
| 438 | |
| 439 JRT_LEAF(jint, SharedRuntime::d2i(jdouble x)) | |
|
508
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
440 if (g_isnan(x)) |
|
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
441 return 0; |
|
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
442 if (x >= (jdouble) max_jint) |
|
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
443 return max_jint; |
|
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
444 if (x <= (jdouble) min_jint) |
|
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
445 return min_jint; |
|
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
446 return (jint) x; |
| 0 | 447 JRT_END |
| 448 | |
| 449 | |
| 450 JRT_LEAF(jlong, SharedRuntime::d2l(jdouble x)) | |
|
508
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
451 if (g_isnan(x)) |
|
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
452 return 0; |
|
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
453 if (x >= (jdouble) max_jlong) |
|
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
454 return max_jlong; |
|
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
455 if (x <= (jdouble) min_jlong) |
|
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
456 return min_jlong; |
|
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
457 return (jlong) x; |
| 0 | 458 JRT_END |
| 459 | |
| 460 | |
| 461 JRT_LEAF(jfloat, SharedRuntime::d2f(jdouble x)) | |
| 462 return (jfloat)x; | |
| 463 JRT_END | |
| 464 | |
| 465 | |
| 466 JRT_LEAF(jfloat, SharedRuntime::l2f(jlong x)) | |
| 467 return (jfloat)x; | |
| 468 JRT_END | |
| 469 | |
| 470 | |
| 471 JRT_LEAF(jdouble, SharedRuntime::l2d(jlong x)) | |
| 472 return (jdouble)x; | |
| 473 JRT_END | |
| 474 | |
| 475 // Exception handling accross interpreter/compiler boundaries | |
| 476 // | |
| 477 // exception_handler_for_return_address(...) returns the continuation address. | |
| 478 // The continuation address is the entry point of the exception handler of the | |
| 479 // previous frame depending on the return address. | |
| 480 | |
| 1295 | 481 address SharedRuntime::raw_exception_handler_for_return_address(JavaThread* thread, address return_address) { |
|
2321
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2192
diff
changeset
|
482 assert(frame::verify_return_pc(return_address), err_msg("must be a return address: " INTPTR_FORMAT, return_address)); |
|
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2192
diff
changeset
|
483 |
|
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2192
diff
changeset
|
484 // Reset method handle flag. |
|
1368
93767e6a2dfd
6941529: SharedRuntime::raw_exception_handler_for_return_address must reset thread MethodHandle flag
twisti
parents:
1299
diff
changeset
|
485 thread->set_is_method_handle_return(false); |
|
93767e6a2dfd
6941529: SharedRuntime::raw_exception_handler_for_return_address must reset thread MethodHandle flag
twisti
parents:
1299
diff
changeset
|
486 |
|
2321
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2192
diff
changeset
|
487 // The fastest case first |
| 0 | 488 CodeBlob* blob = CodeCache::find_blob(return_address); |
|
2321
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2192
diff
changeset
|
489 nmethod* nm = (blob != NULL) ? blob->as_nmethod_or_null() : NULL; |
|
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2192
diff
changeset
|
490 if (nm != NULL) { |
|
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2192
diff
changeset
|
491 // Set flag if return address 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:
2192
diff
changeset
|
492 thread->set_is_method_handle_return(nm->is_method_handle_return(return_address)); |
| 0 | 493 // native nmethods don't have exception handlers |
|
2321
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2192
diff
changeset
|
494 assert(!nm->is_native_method(), "no exception handler"); |
|
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2192
diff
changeset
|
495 assert(nm->header_begin() != nm->exception_begin(), "no exception handler"); |
|
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2192
diff
changeset
|
496 if (nm->is_deopt_pc(return_address)) { |
| 0 | 497 return SharedRuntime::deopt_blob()->unpack_with_exception(); |
| 498 } else { | |
|
2321
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2192
diff
changeset
|
499 return nm->exception_begin(); |
| 0 | 500 } |
| 501 } | |
| 502 | |
| 503 // Entry code | |
| 504 if (StubRoutines::returns_to_call_stub(return_address)) { | |
| 505 return StubRoutines::catch_exception_entry(); | |
| 506 } | |
| 507 // Interpreted code | |
| 508 if (Interpreter::contains(return_address)) { | |
| 509 return Interpreter::rethrow_exception_entry(); | |
| 510 } | |
| 511 | |
|
2321
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2192
diff
changeset
|
512 guarantee(blob == NULL || !blob->is_runtime_stub(), "caller should have skipped stub"); |
| 0 | 513 guarantee(!VtableStubs::contains(return_address), "NULL exceptions in vtables should have been handled already!"); |
|
2321
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2192
diff
changeset
|
514 |
| 0 | 515 #ifndef PRODUCT |
| 516 { ResourceMark rm; | |
| 517 tty->print_cr("No exception handler found for exception at " INTPTR_FORMAT " - potential problems:", return_address); | |
| 518 tty->print_cr("a) exception happened in (new?) code stubs/buffers that is not handled here"); | |
| 519 tty->print_cr("b) other problem"); | |
| 520 } | |
| 521 #endif // PRODUCT | |
|
2321
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2192
diff
changeset
|
522 |
| 0 | 523 ShouldNotReachHere(); |
| 524 return NULL; | |
| 525 } | |
| 526 | |
| 527 | |
| 1295 | 528 JRT_LEAF(address, SharedRuntime::exception_handler_for_return_address(JavaThread* thread, address return_address)) |
| 529 return raw_exception_handler_for_return_address(thread, return_address); | |
| 0 | 530 JRT_END |
| 531 | |
| 1295 | 532 |
| 0 | 533 address SharedRuntime::get_poll_stub(address pc) { |
| 534 address stub; | |
| 535 // Look up the code blob | |
| 536 CodeBlob *cb = CodeCache::find_blob(pc); | |
| 537 | |
| 538 // Should be an nmethod | |
| 539 assert( cb && cb->is_nmethod(), "safepoint polling: pc must refer to an nmethod" ); | |
| 540 | |
| 541 // Look up the relocation information | |
| 542 assert( ((nmethod*)cb)->is_at_poll_or_poll_return(pc), | |
| 543 "safepoint polling: type must be poll" ); | |
| 544 | |
| 545 assert( ((NativeInstruction*)pc)->is_safepoint_poll(), | |
| 546 "Only polling locations are used for safepoint"); | |
| 547 | |
| 548 bool at_poll_return = ((nmethod*)cb)->is_at_poll_return(pc); | |
|
6792
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
549 bool has_wide_vectors = ((nmethod*)cb)->has_wide_vectors(); |
| 0 | 550 if (at_poll_return) { |
| 551 assert(SharedRuntime::polling_page_return_handler_blob() != NULL, | |
| 552 "polling page return stub not created yet"); | |
| 1748 | 553 stub = SharedRuntime::polling_page_return_handler_blob()->entry_point(); |
|
6792
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
554 } else if (has_wide_vectors) { |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
555 assert(SharedRuntime::polling_page_vectors_safepoint_handler_blob() != NULL, |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
556 "polling page vectors safepoint stub not created yet"); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
557 stub = SharedRuntime::polling_page_vectors_safepoint_handler_blob()->entry_point(); |
| 0 | 558 } else { |
| 559 assert(SharedRuntime::polling_page_safepoint_handler_blob() != NULL, | |
| 560 "polling page safepoint stub not created yet"); | |
| 1748 | 561 stub = SharedRuntime::polling_page_safepoint_handler_blob()->entry_point(); |
| 0 | 562 } |
| 563 #ifndef PRODUCT | |
| 564 if( TraceSafepoint ) { | |
| 565 char buf[256]; | |
| 566 jio_snprintf(buf, sizeof(buf), | |
| 567 "... found polling page %s exception at pc = " | |
| 568 INTPTR_FORMAT ", stub =" INTPTR_FORMAT, | |
| 569 at_poll_return ? "return" : "loop", | |
| 570 (intptr_t)pc, (intptr_t)stub); | |
| 571 tty->print_raw_cr(buf); | |
| 572 } | |
| 573 #endif // PRODUCT | |
| 574 return stub; | |
| 575 } | |
| 576 | |
| 577 | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
578 oop SharedRuntime::retrieve_receiver( Symbol* sig, frame caller ) { |
| 0 | 579 assert(caller.is_interpreted_frame(), ""); |
| 580 int args_size = ArgumentSizeComputer(sig).size() + 1; | |
| 581 assert(args_size <= caller.interpreter_frame_expression_stack_size(), "receiver must be on interpreter stack"); | |
| 582 oop result = (oop) *caller.interpreter_frame_tos_at(args_size - 1); | |
| 583 assert(Universe::heap()->is_in(result) && result->is_oop(), "receiver must be an oop"); | |
| 584 return result; | |
| 585 } | |
| 586 | |
| 587 | |
| 588 void SharedRuntime::throw_and_post_jvmti_exception(JavaThread *thread, Handle h_exception) { | |
|
1213
6deeaebad47a
6902182: 4/4 Starting with jdwp agent should not incur performance penalty
dcubed
parents:
1187
diff
changeset
|
589 if (JvmtiExport::can_post_on_exceptions()) { |
| 0 | 590 vframeStream vfst(thread, true); |
| 591 methodHandle method = methodHandle(thread, vfst.method()); | |
| 592 address bcp = method()->bcp_from(vfst.bci()); | |
| 593 JvmtiExport::post_exception_throw(thread, method(), bcp, h_exception()); | |
| 594 } | |
| 595 Exceptions::_throw(thread, __FILE__, __LINE__, h_exception); | |
| 596 } | |
| 597 | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
598 void SharedRuntime::throw_and_post_jvmti_exception(JavaThread *thread, Symbol* name, const char *message) { |
| 0 | 599 Handle h_exception = Exceptions::new_exception(thread, name, message); |
| 600 throw_and_post_jvmti_exception(thread, h_exception); | |
| 601 } | |
| 602 | |
|
610
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
465
diff
changeset
|
603 // The interpreter code to call this tracing function is only |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
465
diff
changeset
|
604 // called/generated when TraceRedefineClasses has the right bits |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
465
diff
changeset
|
605 // set. Since obsolete methods are never compiled, we don't have |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
465
diff
changeset
|
606 // to modify the compilers to generate calls to this function. |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
465
diff
changeset
|
607 // |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
465
diff
changeset
|
608 JRT_LEAF(int, SharedRuntime::rc_trace_method_entry( |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
609 JavaThread* thread, Method* method)) |
|
610
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
465
diff
changeset
|
610 assert(RC_TRACE_IN_RANGE(0x00001000, 0x00002000), "wrong call"); |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
465
diff
changeset
|
611 |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
465
diff
changeset
|
612 if (method->is_obsolete()) { |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
465
diff
changeset
|
613 // We are calling an obsolete method, but this is not necessarily |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
465
diff
changeset
|
614 // an error. Our method could have been redefined just after we |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
615 // fetched the Method* from the constant pool. |
|
610
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
465
diff
changeset
|
616 |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
465
diff
changeset
|
617 // RC_TRACE macro has an embedded ResourceMark |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
465
diff
changeset
|
618 RC_TRACE_WITH_THREAD(0x00001000, thread, |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
465
diff
changeset
|
619 ("calling obsolete method '%s'", |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
465
diff
changeset
|
620 method->name_and_sig_as_C_string())); |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
465
diff
changeset
|
621 if (RC_TRACE_ENABLED(0x00002000)) { |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
465
diff
changeset
|
622 // this option is provided to debug calls to obsolete methods |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
465
diff
changeset
|
623 guarantee(false, "faulting at call to an obsolete method."); |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
465
diff
changeset
|
624 } |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
465
diff
changeset
|
625 } |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
465
diff
changeset
|
626 return 0; |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
465
diff
changeset
|
627 JRT_END |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
465
diff
changeset
|
628 |
| 0 | 629 // ret_pc points into caller; we are returning caller's exception handler |
| 630 // for given exception | |
| 631 address SharedRuntime::compute_compiled_exc_handler(nmethod* nm, address ret_pc, Handle& exception, | |
| 632 bool force_unwind, bool top_frame_only) { | |
| 633 assert(nm != NULL, "must exist"); | |
| 634 ResourceMark rm; | |
| 635 | |
|
4694
6336b144e391
Simplified and improved the speed of compiled exception handler lookup based on the Graal exception handler model.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
4673
diff
changeset
|
636 #ifdef GRAAL |
|
7154
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7125
diff
changeset
|
637 if (nm->is_compiled_by_graal()) { |
|
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7125
diff
changeset
|
638 // lookup exception handler for this pc |
|
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7125
diff
changeset
|
639 int catch_pco = ret_pc - nm->code_begin(); |
|
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7125
diff
changeset
|
640 ExceptionHandlerTable table(nm); |
|
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7125
diff
changeset
|
641 HandlerTableEntry *t = table.entry_for(catch_pco, -1, 0); |
|
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7125
diff
changeset
|
642 if (t != NULL) { |
|
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7125
diff
changeset
|
643 return nm->code_begin() + t->pco(); |
|
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7125
diff
changeset
|
644 } else { |
|
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7125
diff
changeset
|
645 // there is no exception handler for this pc => deoptimize |
|
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7125
diff
changeset
|
646 nm->make_not_entrant(); |
|
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7125
diff
changeset
|
647 JavaThread* thread = JavaThread::current(); |
|
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7125
diff
changeset
|
648 RegisterMap reg_map(thread); |
|
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7125
diff
changeset
|
649 frame runtime_frame = thread->last_frame(); |
|
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7125
diff
changeset
|
650 frame caller_frame = runtime_frame.sender(®_map); |
|
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7125
diff
changeset
|
651 Deoptimization::deoptimize_frame(thread, caller_frame.id(), Deoptimization::Reason_not_compiled_exception_handler); |
|
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7125
diff
changeset
|
652 return SharedRuntime::deopt_blob()->unpack_with_exception_in_tls(); |
|
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7125
diff
changeset
|
653 } |
|
4694
6336b144e391
Simplified and improved the speed of compiled exception handler lookup based on the Graal exception handler model.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
4673
diff
changeset
|
654 } |
|
7154
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7125
diff
changeset
|
655 #endif |
|
4694
6336b144e391
Simplified and improved the speed of compiled exception handler lookup based on the Graal exception handler model.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
4673
diff
changeset
|
656 |
| 0 | 657 ScopeDesc* sd = nm->scope_desc_at(ret_pc); |
| 658 // determine handler bci, if any | |
| 659 EXCEPTION_MARK; | |
| 660 | |
| 661 int handler_bci = -1; | |
| 662 int scope_depth = 0; | |
| 663 if (!force_unwind) { | |
| 664 int bci = sd->bci(); | |
|
3998
ec5ce9326985
6865265: JVM crashes with "missing exception handler" error
kvn
parents:
3841
diff
changeset
|
665 bool recursive_exception = false; |
| 0 | 666 do { |
| 667 bool skip_scope_increment = false; | |
| 668 // exception handler lookup | |
| 669 KlassHandle ek (THREAD, exception->klass()); | |
|
7469
0c8717a92b2d
8001341: SIGSEGV in methodOopDesc::fast_exception_handler_bci_for(KlassHandle,int,Thread*)+0x3e9.
jiangli
parents:
7199
diff
changeset
|
670 methodHandle mh(THREAD, sd->method()); |
|
0c8717a92b2d
8001341: SIGSEGV in methodOopDesc::fast_exception_handler_bci_for(KlassHandle,int,Thread*)+0x3e9.
jiangli
parents:
7199
diff
changeset
|
671 handler_bci = Method::fast_exception_handler_bci_for(mh, ek, bci, THREAD); |
| 0 | 672 if (HAS_PENDING_EXCEPTION) { |
|
3998
ec5ce9326985
6865265: JVM crashes with "missing exception handler" error
kvn
parents:
3841
diff
changeset
|
673 recursive_exception = true; |
| 0 | 674 // We threw an exception while trying to find the exception handler. |
| 675 // Transfer the new exception to the exception handle which will | |
| 676 // be set into thread local storage, and do another lookup for an | |
| 677 // exception handler for this exception, this time starting at the | |
| 678 // BCI of the exception handler which caused the exception to be | |
| 679 // thrown (bugs 4307310 and 4546590). Set "exception" reference | |
| 680 // argument to ensure that the correct exception is thrown (4870175). | |
| 681 exception = Handle(THREAD, PENDING_EXCEPTION); | |
| 682 CLEAR_PENDING_EXCEPTION; | |
| 683 if (handler_bci >= 0) { | |
| 684 bci = handler_bci; | |
| 685 handler_bci = -1; | |
| 686 skip_scope_increment = true; | |
| 687 } | |
| 688 } | |
|
3998
ec5ce9326985
6865265: JVM crashes with "missing exception handler" error
kvn
parents:
3841
diff
changeset
|
689 else { |
|
ec5ce9326985
6865265: JVM crashes with "missing exception handler" error
kvn
parents:
3841
diff
changeset
|
690 recursive_exception = false; |
|
ec5ce9326985
6865265: JVM crashes with "missing exception handler" error
kvn
parents:
3841
diff
changeset
|
691 } |
| 0 | 692 if (!top_frame_only && handler_bci < 0 && !skip_scope_increment) { |
| 693 sd = sd->sender(); | |
| 694 if (sd != NULL) { | |
| 695 bci = sd->bci(); | |
| 696 } | |
| 697 ++scope_depth; | |
| 698 } | |
|
3998
ec5ce9326985
6865265: JVM crashes with "missing exception handler" error
kvn
parents:
3841
diff
changeset
|
699 } while (recursive_exception || (!top_frame_only && handler_bci < 0 && sd != NULL)); |
| 0 | 700 } |
| 701 | |
| 702 // found handling method => lookup exception handler | |
| 1748 | 703 int catch_pco = ret_pc - nm->code_begin(); |
| 0 | 704 |
| 705 ExceptionHandlerTable table(nm); | |
| 706 HandlerTableEntry *t = table.entry_for(catch_pco, handler_bci, scope_depth); | |
| 707 if (t == NULL && (nm->is_compiled_by_c1() || handler_bci != -1)) { | |
| 708 // Allow abbreviated catch tables. The idea is to allow a method | |
| 709 // to materialize its exceptions without committing to the exact | |
| 710 // routing of exceptions. In particular this is needed for adding | |
| 711 // a synthethic handler to unlock monitors when inlining | |
| 712 // synchonized methods since the unlock path isn't represented in | |
| 713 // the bytecodes. | |
| 714 t = table.entry_for(catch_pco, -1, 0); | |
| 715 } | |
| 716 | |
|
1378
9f5b60a14736
6939930: exception unwind changes in 6919934 hurts compilation speed
never
parents:
1368
diff
changeset
|
717 #ifdef COMPILER1 |
|
9f5b60a14736
6939930: exception unwind changes in 6919934 hurts compilation speed
never
parents:
1368
diff
changeset
|
718 if (t == NULL && nm->is_compiled_by_c1()) { |
|
9f5b60a14736
6939930: exception unwind changes in 6919934 hurts compilation speed
never
parents:
1368
diff
changeset
|
719 assert(nm->unwind_handler_begin() != NULL, ""); |
|
9f5b60a14736
6939930: exception unwind changes in 6919934 hurts compilation speed
never
parents:
1368
diff
changeset
|
720 return nm->unwind_handler_begin(); |
|
9f5b60a14736
6939930: exception unwind changes in 6919934 hurts compilation speed
never
parents:
1368
diff
changeset
|
721 } |
|
9f5b60a14736
6939930: exception unwind changes in 6919934 hurts compilation speed
never
parents:
1368
diff
changeset
|
722 #endif |
|
9f5b60a14736
6939930: exception unwind changes in 6919934 hurts compilation speed
never
parents:
1368
diff
changeset
|
723 |
| 0 | 724 if (t == NULL) { |
| 725 tty->print_cr("MISSING EXCEPTION HANDLER for pc " INTPTR_FORMAT " and handler bci %d", ret_pc, handler_bci); | |
| 726 tty->print_cr(" Exception:"); | |
| 727 exception->print(); | |
| 728 tty->cr(); | |
| 729 tty->print_cr(" Compiled exception table :"); | |
| 730 table.print(); | |
| 731 nm->print_code(); | |
| 732 guarantee(false, "missing exception handler"); | |
| 733 return NULL; | |
| 734 } | |
| 735 | |
| 1748 | 736 return nm->code_begin() + t->pco(); |
| 0 | 737 } |
| 738 | |
| 739 JRT_ENTRY(void, SharedRuntime::throw_AbstractMethodError(JavaThread* thread)) | |
| 740 // These errors occur only at call sites | |
| 741 throw_and_post_jvmti_exception(thread, vmSymbols::java_lang_AbstractMethodError()); | |
| 742 JRT_END | |
| 743 | |
|
16
f8236e79048a
6664627: Merge changes made only in hotspot 11 forward to jdk 7
dcubed
parents:
0
diff
changeset
|
744 JRT_ENTRY(void, SharedRuntime::throw_IncompatibleClassChangeError(JavaThread* thread)) |
|
f8236e79048a
6664627: Merge changes made only in hotspot 11 forward to jdk 7
dcubed
parents:
0
diff
changeset
|
745 // These errors occur only at call sites |
|
f8236e79048a
6664627: Merge changes made only in hotspot 11 forward to jdk 7
dcubed
parents:
0
diff
changeset
|
746 throw_and_post_jvmti_exception(thread, vmSymbols::java_lang_IncompatibleClassChangeError(), "vtable stub"); |
|
f8236e79048a
6664627: Merge changes made only in hotspot 11 forward to jdk 7
dcubed
parents:
0
diff
changeset
|
747 JRT_END |
|
f8236e79048a
6664627: Merge changes made only in hotspot 11 forward to jdk 7
dcubed
parents:
0
diff
changeset
|
748 |
| 0 | 749 JRT_ENTRY(void, SharedRuntime::throw_ArithmeticException(JavaThread* thread)) |
| 750 throw_and_post_jvmti_exception(thread, vmSymbols::java_lang_ArithmeticException(), "/ by zero"); | |
| 751 JRT_END | |
| 752 | |
| 753 JRT_ENTRY(void, SharedRuntime::throw_NullPointerException(JavaThread* thread)) | |
| 754 throw_and_post_jvmti_exception(thread, vmSymbols::java_lang_NullPointerException()); | |
| 755 JRT_END | |
| 756 | |
| 757 JRT_ENTRY(void, SharedRuntime::throw_NullPointerException_at_call(JavaThread* thread)) | |
| 758 // This entry point is effectively only used for NullPointerExceptions which occur at inline | |
| 759 // cache sites (when the callee activation is not yet set up) so we are at a call site | |
| 760 throw_and_post_jvmti_exception(thread, vmSymbols::java_lang_NullPointerException()); | |
| 761 JRT_END | |
| 762 | |
| 763 JRT_ENTRY(void, SharedRuntime::throw_StackOverflowError(JavaThread* thread)) | |
| 764 // We avoid using the normal exception construction in this case because | |
| 765 // it performs an upcall to Java, and we're already out of stack space. | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
766 Klass* k = SystemDictionary::StackOverflowError_klass(); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
767 oop exception_oop = InstanceKlass::cast(k)->allocate_instance(CHECK); |
| 0 | 768 Handle exception (thread, exception_oop); |
| 769 if (StackTraceInThrowable) { | |
| 770 java_lang_Throwable::fill_in_stack_trace(exception); | |
| 771 } | |
| 772 throw_and_post_jvmti_exception(thread, exception); | |
| 773 JRT_END | |
| 774 | |
|
5124
837a304d0ca8
C1 bugfix, fixed C1 compilation errors
Christian Haeubl <christian.haeubl@oracle.com>
parents:
5111
diff
changeset
|
775 #ifdef GRAAL |
|
5111
422c979ff392
fixed two cases where DeoptAction was invalid
Christian Haeubl <christian.haeubl@oracle.com>
parents:
5110
diff
changeset
|
776 address SharedRuntime::deoptimize_for_implicit_exception(JavaThread* thread, address pc, nmethod* nm, int deopt_reason) { |
|
422c979ff392
fixed two cases where DeoptAction was invalid
Christian Haeubl <christian.haeubl@oracle.com>
parents:
5110
diff
changeset
|
777 assert(deopt_reason > Deoptimization::Reason_none && deopt_reason < Deoptimization::Reason_LIMIT, "invalid deopt reason"); |
|
2607
008adfd6d850
Fixed the stateBefore of invokes and monitorenter instructions to include the arguments of the instruction.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2605
diff
changeset
|
778 thread->_ScratchA = (intptr_t)pc; |
|
8337
37977d1dcedc
Transmit deoptimization reason in thread local.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
8151
diff
changeset
|
779 thread->set_pending_deoptimization(Deoptimization::make_trap_request((Deoptimization::DeoptReason)deopt_reason, Deoptimization::Action_reinterpret)); |
|
5111
422c979ff392
fixed two cases where DeoptAction was invalid
Christian Haeubl <christian.haeubl@oracle.com>
parents:
5110
diff
changeset
|
780 return (SharedRuntime::deopt_blob()->implicit_exception_uncommon_trap()); |
|
2607
008adfd6d850
Fixed the stateBefore of invokes and monitorenter instructions to include the arguments of the instruction.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2605
diff
changeset
|
781 } |
|
5124
837a304d0ca8
C1 bugfix, fixed C1 compilation errors
Christian Haeubl <christian.haeubl@oracle.com>
parents:
5111
diff
changeset
|
782 #endif |
|
2607
008adfd6d850
Fixed the stateBefore of invokes and monitorenter instructions to include the arguments of the instruction.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2605
diff
changeset
|
783 |
| 0 | 784 address SharedRuntime::continuation_for_implicit_exception(JavaThread* thread, |
| 785 address pc, | |
| 786 SharedRuntime::ImplicitExceptionKind exception_kind) | |
| 787 { | |
| 788 address target_pc = NULL; | |
| 789 | |
| 790 if (Interpreter::contains(pc)) { | |
| 791 #ifdef CC_INTERP | |
| 792 // C++ interpreter doesn't throw implicit exceptions | |
| 793 ShouldNotReachHere(); | |
| 794 #else | |
| 795 switch (exception_kind) { | |
| 796 case IMPLICIT_NULL: return Interpreter::throw_NullPointerException_entry(); | |
| 797 case IMPLICIT_DIVIDE_BY_ZERO: return Interpreter::throw_ArithmeticException_entry(); | |
| 798 case STACK_OVERFLOW: return Interpreter::throw_StackOverflowError_entry(); | |
| 799 default: ShouldNotReachHere(); | |
| 800 } | |
| 801 #endif // !CC_INTERP | |
| 802 } else { | |
| 803 switch (exception_kind) { | |
| 804 case STACK_OVERFLOW: { | |
| 805 // Stack overflow only occurs upon frame setup; the callee is | |
| 806 // going to be unwound. Dispatch to a shared runtime stub | |
| 807 // which will cause the StackOverflowError to be fabricated | |
| 808 // and processed. | |
| 809 // For stack overflow in deoptimization blob, cleanup thread. | |
| 810 if (thread->deopt_mark() != NULL) { | |
| 811 Deoptimization::cleanup_deopt_info(thread, NULL); | |
| 812 } | |
| 4944 | 813 Events::log_exception(thread, "StackOverflowError at " INTPTR_FORMAT, pc); |
| 0 | 814 return StubRoutines::throw_StackOverflowError_entry(); |
| 815 } | |
| 816 | |
| 817 case IMPLICIT_NULL: { | |
| 818 if (VtableStubs::contains(pc)) { | |
| 819 // We haven't yet entered the callee frame. Fabricate an | |
| 820 // exception and begin dispatching it in the caller. Since | |
| 821 // the caller was at a call site, it's safe to destroy all | |
| 822 // caller-saved registers, as these entry points do. | |
| 823 VtableStub* vt_stub = VtableStubs::stub_containing(pc); | |
|
465
dc16daa0329d
6739363: Xcheck jni doesn't check native function arguments
poonam
parents:
356
diff
changeset
|
824 |
|
dc16daa0329d
6739363: Xcheck jni doesn't check native function arguments
poonam
parents:
356
diff
changeset
|
825 // If vt_stub is NULL, then return NULL to signal handler to report the SEGV error. |
|
dc16daa0329d
6739363: Xcheck jni doesn't check native function arguments
poonam
parents:
356
diff
changeset
|
826 if (vt_stub == NULL) return NULL; |
|
dc16daa0329d
6739363: Xcheck jni doesn't check native function arguments
poonam
parents:
356
diff
changeset
|
827 |
| 0 | 828 if (vt_stub->is_abstract_method_error(pc)) { |
| 829 assert(!vt_stub->is_vtable_stub(), "should never see AbstractMethodErrors from vtable-type VtableStubs"); | |
| 4944 | 830 Events::log_exception(thread, "AbstractMethodError at " INTPTR_FORMAT, pc); |
| 0 | 831 return StubRoutines::throw_AbstractMethodError_entry(); |
| 832 } else { | |
| 4944 | 833 Events::log_exception(thread, "NullPointerException at vtable entry " INTPTR_FORMAT, pc); |
| 0 | 834 return StubRoutines::throw_NullPointerException_at_call_entry(); |
| 835 } | |
| 836 } else { | |
| 837 CodeBlob* cb = CodeCache::find_blob(pc); | |
|
465
dc16daa0329d
6739363: Xcheck jni doesn't check native function arguments
poonam
parents:
356
diff
changeset
|
838 |
|
dc16daa0329d
6739363: Xcheck jni doesn't check native function arguments
poonam
parents:
356
diff
changeset
|
839 // If code blob is NULL, then return NULL to signal handler to report the SEGV error. |
|
dc16daa0329d
6739363: Xcheck jni doesn't check native function arguments
poonam
parents:
356
diff
changeset
|
840 if (cb == NULL) return NULL; |
| 0 | 841 |
| 842 // Exception happened in CodeCache. Must be either: | |
| 843 // 1. Inline-cache check in C2I handler blob, | |
| 844 // 2. Inline-cache check in nmethod, or | |
| 845 // 3. Implict null exception in nmethod | |
| 846 | |
| 847 if (!cb->is_nmethod()) { | |
|
1299
9eba43136cb5
6934494: JSR 292 MethodHandles adapters should be generated into their own CodeBlob
twisti
parents:
1295
diff
changeset
|
848 guarantee(cb->is_adapter_blob() || cb->is_method_handles_adapter_blob(), |
|
465
dc16daa0329d
6739363: Xcheck jni doesn't check native function arguments
poonam
parents:
356
diff
changeset
|
849 "exception happened outside interpreter, nmethods and vtable stubs (1)"); |
| 4944 | 850 Events::log_exception(thread, "NullPointerException in code blob at " INTPTR_FORMAT, pc); |
| 0 | 851 // There is no handler here, so we will simply unwind. |
| 852 return StubRoutines::throw_NullPointerException_at_call_entry(); | |
| 853 } | |
| 854 | |
| 855 // Otherwise, it's an nmethod. Consult its exception handlers. | |
| 856 nmethod* nm = (nmethod*)cb; | |
| 857 if (nm->inlinecache_check_contains(pc)) { | |
| 858 // exception happened inside inline-cache check code | |
| 859 // => the nmethod is not yet active (i.e., the frame | |
| 860 // is not set up yet) => use return address pushed by | |
| 861 // caller => don't push another return address | |
| 4944 | 862 Events::log_exception(thread, "NullPointerException in IC check " INTPTR_FORMAT, pc); |
| 0 | 863 return StubRoutines::throw_NullPointerException_at_call_entry(); |
| 864 } | |
| 865 | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
866 if (nm->method()->is_method_handle_intrinsic()) { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
867 // exception happened inside MH dispatch code, similar to a vtable stub |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
868 Events::log_exception(thread, "NullPointerException in MH adapter " INTPTR_FORMAT, pc); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
869 return StubRoutines::throw_NullPointerException_at_call_entry(); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
870 } |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
871 |
| 0 | 872 #ifndef PRODUCT |
| 873 _implicit_null_throws++; | |
| 874 #endif | |
|
4559
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4137
diff
changeset
|
875 #ifdef GRAAL |
|
7154
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7125
diff
changeset
|
876 if (nm->is_compiled_by_graal()) { |
|
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7125
diff
changeset
|
877 target_pc = deoptimize_for_implicit_exception(thread, pc, nm, Deoptimization::Reason_null_check); |
|
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7125
diff
changeset
|
878 } else { |
|
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7125
diff
changeset
|
879 #endif |
| 0 | 880 target_pc = nm->continuation_for_implicit_exception(pc); |
|
7154
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7125
diff
changeset
|
881 #ifdef GRAAL |
|
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7125
diff
changeset
|
882 } |
|
4559
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4137
diff
changeset
|
883 #endif |
| 1250 | 884 // If there's an unexpected fault, target_pc might be NULL, |
| 885 // in which case we want to fall through into the normal | |
| 886 // error handling code. | |
| 0 | 887 } |
| 888 | |
| 889 break; // fall through | |
| 890 } | |
| 891 | |
| 892 | |
| 893 case IMPLICIT_DIVIDE_BY_ZERO: { | |
| 894 nmethod* nm = CodeCache::find_nmethod(pc); | |
| 895 guarantee(nm != NULL, "must have containing nmethod for implicit division-by-zero exceptions"); | |
| 896 #ifndef PRODUCT | |
| 897 _implicit_div0_throws++; | |
| 898 #endif | |
|
4559
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4137
diff
changeset
|
899 #ifdef GRAAL |
|
7154
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7125
diff
changeset
|
900 if (nm->is_compiled_by_graal()) { |
|
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7125
diff
changeset
|
901 target_pc = deoptimize_for_implicit_exception(thread, pc, nm, Deoptimization::Reason_div0_check); |
|
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7125
diff
changeset
|
902 } else { |
|
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7125
diff
changeset
|
903 #endif |
| 0 | 904 target_pc = nm->continuation_for_implicit_exception(pc); |
|
7154
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7125
diff
changeset
|
905 #ifdef GRAAL |
|
1429
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
Lukas Stadler <lukas.stadler@oracle.com>
parents:
1378
diff
changeset
|
906 } |
|
4559
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4137
diff
changeset
|
907 #endif |
| 1250 | 908 // If there's an unexpected fault, target_pc might be NULL, |
| 909 // in which case we want to fall through into the normal | |
| 910 // error handling code. | |
| 0 | 911 break; // fall through |
| 912 } | |
| 913 | |
| 914 default: ShouldNotReachHere(); | |
| 915 } | |
| 916 | |
| 917 assert(exception_kind == IMPLICIT_NULL || exception_kind == IMPLICIT_DIVIDE_BY_ZERO, "wrong implicit exception kind"); | |
| 918 | |
| 919 // for AbortVMOnException flag | |
| 920 NOT_PRODUCT(Exceptions::debug_check_abort("java.lang.NullPointerException")); | |
| 921 if (exception_kind == IMPLICIT_NULL) { | |
|
4872
aa3d708d67c4
7141200: log some interesting information in ring buffers for crashes
never
parents:
4807
diff
changeset
|
922 Events::log_exception(thread, "Implicit null exception at " INTPTR_FORMAT " to " INTPTR_FORMAT, pc, target_pc); |
| 0 | 923 } else { |
|
4872
aa3d708d67c4
7141200: log some interesting information in ring buffers for crashes
never
parents:
4807
diff
changeset
|
924 Events::log_exception(thread, "Implicit division by zero exception at " INTPTR_FORMAT " to " INTPTR_FORMAT, pc, target_pc); |
| 0 | 925 } |
| 926 return target_pc; | |
| 927 } | |
| 928 | |
| 929 ShouldNotReachHere(); | |
| 930 return NULL; | |
| 931 } | |
| 932 | |
| 933 | |
| 934 JNI_ENTRY(void, throw_unsatisfied_link_error(JNIEnv* env, ...)) | |
| 935 { | |
| 936 THROW(vmSymbols::java_lang_UnsatisfiedLinkError()); | |
| 937 } | |
| 938 JNI_END | |
| 939 | |
|
6271
93c71eb28866
7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents:
6266
diff
changeset
|
940 JNI_ENTRY(void, throw_unsupported_operation_exception(JNIEnv* env, ...)) |
|
93c71eb28866
7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents:
6266
diff
changeset
|
941 { |
|
93c71eb28866
7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents:
6266
diff
changeset
|
942 THROW(vmSymbols::java_lang_UnsupportedOperationException()); |
|
93c71eb28866
7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents:
6266
diff
changeset
|
943 } |
|
93c71eb28866
7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents:
6266
diff
changeset
|
944 JNI_END |
| 0 | 945 |
| 946 address SharedRuntime::native_method_throw_unsatisfied_link_error_entry() { | |
| 947 return CAST_FROM_FN_PTR(address, &throw_unsatisfied_link_error); | |
| 948 } | |
| 949 | |
|
6271
93c71eb28866
7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents:
6266
diff
changeset
|
950 address SharedRuntime::native_method_throw_unsupported_operation_exception_entry() { |
|
93c71eb28866
7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents:
6266
diff
changeset
|
951 return CAST_FROM_FN_PTR(address, &throw_unsupported_operation_exception); |
|
93c71eb28866
7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents:
6266
diff
changeset
|
952 } |
|
93c71eb28866
7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents:
6266
diff
changeset
|
953 |
| 0 | 954 |
| 955 #ifndef PRODUCT | |
| 956 JRT_ENTRY(intptr_t, SharedRuntime::trace_bytecode(JavaThread* thread, intptr_t preserve_this_value, intptr_t tos, intptr_t tos2)) | |
| 957 const frame f = thread->last_frame(); | |
| 958 assert(f.is_interpreted_frame(), "must be an interpreted frame"); | |
| 959 #ifndef PRODUCT | |
| 960 methodHandle mh(THREAD, f.interpreter_frame_method()); | |
| 961 BytecodeTracer::trace(mh, f.interpreter_frame_bcp(), tos, tos2); | |
| 962 #endif // !PRODUCT | |
| 963 return preserve_this_value; | |
| 964 JRT_END | |
| 965 #endif // !PRODUCT | |
| 966 | |
| 967 | |
| 968 JRT_ENTRY(void, SharedRuntime::yield_all(JavaThread* thread, int attempts)) | |
| 969 os::yield_all(attempts); | |
| 970 JRT_END | |
| 971 | |
| 972 | |
| 973 JRT_ENTRY_NO_ASYNC(void, SharedRuntime::register_finalizer(JavaThread* thread, oopDesc* obj)) | |
|
8968
e41c32a4d573
Change the register_finalizer stub to not overwrite any registers.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
8337
diff
changeset
|
974 #ifdef GRAAL |
|
e41c32a4d573
Change the register_finalizer stub to not overwrite any registers.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
8337
diff
changeset
|
975 if (!obj->klass()->has_finalizer()) { |
|
e41c32a4d573
Change the register_finalizer stub to not overwrite any registers.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
8337
diff
changeset
|
976 return; |
|
e41c32a4d573
Change the register_finalizer stub to not overwrite any registers.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
8337
diff
changeset
|
977 } |
|
e41c32a4d573
Change the register_finalizer stub to not overwrite any registers.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
8337
diff
changeset
|
978 #endif |
| 0 | 979 assert(obj->is_oop(), "must be a valid oop"); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
980 assert(obj->klass()->has_finalizer(), "shouldn't be here otherwise"); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
981 InstanceKlass::register_finalizer(instanceOop(obj), CHECK); |
| 0 | 982 JRT_END |
| 983 | |
| 984 | |
| 985 jlong SharedRuntime::get_java_tid(Thread* thread) { | |
| 986 if (thread != NULL) { | |
| 987 if (thread->is_Java_thread()) { | |
| 988 oop obj = ((JavaThread*)thread)->threadObj(); | |
| 989 return (obj == NULL) ? 0 : java_lang_Thread::thread_id(obj); | |
| 990 } | |
| 991 } | |
| 992 return 0; | |
| 993 } | |
| 994 | |
| 995 /** | |
| 996 * This function ought to be a void function, but cannot be because | |
| 997 * it gets turned into a tail-call on sparc, which runs into dtrace bug | |
| 998 * 6254741. Once that is fixed we can remove the dummy return value. | |
| 999 */ | |
| 1000 int SharedRuntime::dtrace_object_alloc(oopDesc* o) { | |
| 1001 return dtrace_object_alloc_base(Thread::current(), o); | |
| 1002 } | |
| 1003 | |
| 1004 int SharedRuntime::dtrace_object_alloc_base(Thread* thread, oopDesc* o) { | |
| 1005 assert(DTraceAllocProbes, "wrong call"); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1006 Klass* klass = o->klass(); |
| 0 | 1007 int size = o->size(); |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
1008 Symbol* name = klass->name(); |
| 4006 | 1009 #ifndef USDT2 |
| 0 | 1010 HS_DTRACE_PROBE4(hotspot, object__alloc, get_java_tid(thread), |
| 1011 name->bytes(), name->utf8_length(), size * HeapWordSize); | |
| 4006 | 1012 #else /* USDT2 */ |
| 1013 HOTSPOT_OBJECT_ALLOC( | |
| 1014 get_java_tid(thread), | |
| 1015 (char *) name->bytes(), name->utf8_length(), size * HeapWordSize); | |
| 1016 #endif /* USDT2 */ | |
| 0 | 1017 return 0; |
| 1018 } | |
| 1019 | |
| 1020 JRT_LEAF(int, SharedRuntime::dtrace_method_entry( | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1021 JavaThread* thread, Method* method)) |
| 0 | 1022 assert(DTraceMethodProbes, "wrong call"); |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
1023 Symbol* kname = method->klass_name(); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
1024 Symbol* name = method->name(); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
1025 Symbol* sig = method->signature(); |
| 4006 | 1026 #ifndef USDT2 |
| 0 | 1027 HS_DTRACE_PROBE7(hotspot, method__entry, get_java_tid(thread), |
| 1028 kname->bytes(), kname->utf8_length(), | |
| 1029 name->bytes(), name->utf8_length(), | |
| 1030 sig->bytes(), sig->utf8_length()); | |
| 4006 | 1031 #else /* USDT2 */ |
| 1032 HOTSPOT_METHOD_ENTRY( | |
| 1033 get_java_tid(thread), | |
| 1034 (char *) kname->bytes(), kname->utf8_length(), | |
| 1035 (char *) name->bytes(), name->utf8_length(), | |
| 1036 (char *) sig->bytes(), sig->utf8_length()); | |
| 1037 #endif /* USDT2 */ | |
| 0 | 1038 return 0; |
| 1039 JRT_END | |
| 1040 | |
| 1041 JRT_LEAF(int, SharedRuntime::dtrace_method_exit( | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1042 JavaThread* thread, Method* method)) |
| 0 | 1043 assert(DTraceMethodProbes, "wrong call"); |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
1044 Symbol* kname = method->klass_name(); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
1045 Symbol* name = method->name(); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
1046 Symbol* sig = method->signature(); |
| 4006 | 1047 #ifndef USDT2 |
| 0 | 1048 HS_DTRACE_PROBE7(hotspot, method__return, get_java_tid(thread), |
| 1049 kname->bytes(), kname->utf8_length(), | |
| 1050 name->bytes(), name->utf8_length(), | |
| 1051 sig->bytes(), sig->utf8_length()); | |
| 4006 | 1052 #else /* USDT2 */ |
| 1053 HOTSPOT_METHOD_RETURN( | |
| 1054 get_java_tid(thread), | |
| 1055 (char *) kname->bytes(), kname->utf8_length(), | |
| 1056 (char *) name->bytes(), name->utf8_length(), | |
| 1057 (char *) sig->bytes(), sig->utf8_length()); | |
| 1058 #endif /* USDT2 */ | |
| 0 | 1059 return 0; |
| 1060 JRT_END | |
| 1061 | |
| 1062 | |
| 1063 // Finds receiver, CallInfo (i.e. receiver method), and calling bytecode) | |
| 1064 // for a call current in progress, i.e., arguments has been pushed on stack | |
| 1065 // put callee has not been invoked yet. Used by: resolve virtual/static, | |
| 1066 // vtable updates, etc. Caller frame must be compiled. | |
| 1067 Handle SharedRuntime::find_callee_info(JavaThread* thread, Bytecodes::Code& bc, CallInfo& callinfo, TRAPS) { | |
| 1068 ResourceMark rm(THREAD); | |
| 1069 | |
| 1070 // last java frame on stack (which includes native call frames) | |
| 1071 vframeStream vfst(thread, true); // Do not skip and javaCalls | |
| 1072 | |
| 1073 return find_callee_info_helper(thread, vfst, bc, callinfo, CHECK_(Handle())); | |
| 1074 } | |
| 1075 | |
| 1076 | |
| 1077 // Finds receiver, CallInfo (i.e. receiver method), and calling bytecode | |
| 1078 // for a call current in progress, i.e., arguments has been pushed on stack | |
| 1079 // but callee has not been invoked yet. Caller frame must be compiled. | |
| 1080 Handle SharedRuntime::find_callee_info_helper(JavaThread* thread, | |
| 1081 vframeStream& vfst, | |
| 1082 Bytecodes::Code& bc, | |
| 1083 CallInfo& callinfo, TRAPS) { | |
| 1084 Handle receiver; | |
| 1085 Handle nullHandle; //create a handy null handle for exception returns | |
| 1086 | |
| 1087 assert(!vfst.at_end(), "Java frame must exist"); | |
| 1088 | |
| 1089 // Find caller and bci from vframe | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1090 methodHandle caller(THREAD, vfst.method()); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1091 int bci = vfst.bci(); |
| 0 | 1092 |
| 1093 // Find bytecode | |
| 2142 | 1094 Bytecode_invoke bytecode(caller, bci); |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1095 bc = bytecode.invoke_code(); |
| 2142 | 1096 int bytecode_index = bytecode.index(); |
| 0 | 1097 |
| 1098 // Find receiver for non-static call | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1099 if (bc != Bytecodes::_invokestatic && |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1100 bc != Bytecodes::_invokedynamic) { |
| 0 | 1101 // This register map must be update since we need to find the receiver for |
| 1102 // compiled frames. The receiver might be in a register. | |
| 1103 RegisterMap reg_map2(thread); | |
| 1104 frame stubFrame = thread->last_frame(); | |
| 1105 // Caller-frame is a compiled frame | |
| 1106 frame callerFrame = stubFrame.sender(®_map2); | |
| 1107 | |
| 2142 | 1108 methodHandle callee = bytecode.static_target(CHECK_(nullHandle)); |
| 0 | 1109 if (callee.is_null()) { |
| 1110 THROW_(vmSymbols::java_lang_NoSuchMethodException(), nullHandle); | |
| 1111 } | |
| 1112 // Retrieve from a compiled argument list | |
| 1113 receiver = Handle(THREAD, callerFrame.retrieve_receiver(®_map2)); | |
| 1114 | |
| 1115 if (receiver.is_null()) { | |
| 1116 THROW_(vmSymbols::java_lang_NullPointerException(), nullHandle); | |
| 1117 } | |
| 1118 } | |
| 1119 | |
| 1120 // Resolve method. This is parameterized by bytecode. | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1121 constantPoolHandle constants(THREAD, caller->constants()); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1122 assert(receiver.is_null() || receiver->is_oop(), "wrong receiver"); |
| 0 | 1123 LinkResolver::resolve_invoke(callinfo, receiver, constants, bytecode_index, bc, CHECK_(nullHandle)); |
| 1124 | |
| 1125 #ifdef ASSERT | |
| 1126 // Check that the receiver klass is of the right subtype and that it is initialized for virtual calls | |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
845
diff
changeset
|
1127 if (bc != Bytecodes::_invokestatic && bc != Bytecodes::_invokedynamic) { |
| 0 | 1128 assert(receiver.not_null(), "should have thrown exception"); |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1129 KlassHandle receiver_klass(THREAD, receiver->klass()); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1130 Klass* rk = constants->klass_ref_at(bytecode_index, CHECK_(nullHandle)); |
| 0 | 1131 // klass is already loaded |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1132 KlassHandle static_receiver_klass(THREAD, rk); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1133 // Method handle invokes might have been optimized to a direct call |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1134 // so don't check for the receiver class. |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1135 // FIXME this weakens the assert too much |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1136 methodHandle callee = callinfo.selected_method(); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1137 assert(receiver_klass->is_subtype_of(static_receiver_klass()) || |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1138 callee->is_method_handle_intrinsic() || |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1139 callee->is_compiled_lambda_form(), |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1140 "actual receiver must be subclass of static receiver klass"); |
| 0 | 1141 if (receiver_klass->oop_is_instance()) { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1142 if (InstanceKlass::cast(receiver_klass())->is_not_initialized()) { |
| 0 | 1143 tty->print_cr("ERROR: Klass not yet initialized!!"); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1144 receiver_klass()->print(); |
| 0 | 1145 } |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1146 assert(!InstanceKlass::cast(receiver_klass())->is_not_initialized(), "receiver_klass must be initialized"); |
| 0 | 1147 } |
| 1148 } | |
| 1149 #endif | |
| 1150 | |
| 1151 return receiver; | |
| 1152 } | |
| 1153 | |
| 1154 methodHandle SharedRuntime::find_callee_method(JavaThread* thread, TRAPS) { | |
| 1155 ResourceMark rm(THREAD); | |
| 1156 // We need first to check if any Java activations (compiled, interpreted) | |
| 1157 // exist on the stack since last JavaCall. If not, we need | |
| 1158 // to get the target method from the JavaCall wrapper. | |
| 1159 vframeStream vfst(thread, true); // Do not skip any javaCalls | |
| 1160 methodHandle callee_method; | |
| 1161 if (vfst.at_end()) { | |
| 1162 // No Java frames were found on stack since we did the JavaCall. | |
| 1163 // Hence the stack can only contain an entry_frame. We need to | |
| 1164 // find the target method from the stub frame. | |
| 1165 RegisterMap reg_map(thread, false); | |
| 1166 frame fr = thread->last_frame(); | |
| 1167 assert(fr.is_runtime_frame(), "must be a runtimeStub"); | |
| 1168 fr = fr.sender(®_map); | |
| 1169 assert(fr.is_entry_frame(), "must be"); | |
| 1170 // fr is now pointing to the entry frame. | |
| 1171 callee_method = methodHandle(THREAD, fr.entry_frame_call_wrapper()->callee_method()); | |
| 1172 assert(fr.entry_frame_call_wrapper()->receiver() == NULL || !callee_method->is_static(), "non-null receiver for static call??"); | |
| 1173 } else { | |
| 1174 Bytecodes::Code bc; | |
| 1175 CallInfo callinfo; | |
| 1176 find_callee_info_helper(thread, vfst, bc, callinfo, CHECK_(methodHandle())); | |
| 1177 callee_method = callinfo.selected_method(); | |
| 1178 } | |
| 1179 assert(callee_method()->is_method(), "must be"); | |
| 1180 return callee_method; | |
| 1181 } | |
| 1182 | |
| 1183 // Resolves a call. | |
| 1184 methodHandle SharedRuntime::resolve_helper(JavaThread *thread, | |
| 1185 bool is_virtual, | |
| 1186 bool is_optimized, TRAPS) { | |
| 1187 methodHandle callee_method; | |
| 1188 callee_method = resolve_sub_helper(thread, is_virtual, is_optimized, THREAD); | |
| 1189 if (JvmtiExport::can_hotswap_or_post_breakpoint()) { | |
| 1190 int retry_count = 0; | |
| 1191 while (!HAS_PENDING_EXCEPTION && callee_method->is_old() && | |
| 1142 | 1192 callee_method->method_holder() != SystemDictionary::Object_klass()) { |
| 0 | 1193 // If has a pending exception then there is no need to re-try to |
| 1194 // resolve this method. | |
| 1195 // If the method has been redefined, we need to try again. | |
| 1196 // Hack: we have no way to update the vtables of arrays, so don't | |
| 1197 // require that java.lang.Object has been updated. | |
| 1198 | |
| 1199 // It is very unlikely that method is redefined more than 100 times | |
| 1200 // in the middle of resolve. If it is looping here more than 100 times | |
| 1201 // means then there could be a bug here. | |
| 1202 guarantee((retry_count++ < 100), | |
| 1203 "Could not resolve to latest version of redefined method"); | |
| 1204 // method is redefined in the middle of resolve so re-try. | |
| 1205 callee_method = resolve_sub_helper(thread, is_virtual, is_optimized, THREAD); | |
| 1206 } | |
| 1207 } | |
| 1208 return callee_method; | |
| 1209 } | |
| 1210 | |
| 1211 // Resolves a call. The compilers generate code for calls that go here | |
| 1212 // and are patched with the real destination of the call. | |
| 1213 methodHandle SharedRuntime::resolve_sub_helper(JavaThread *thread, | |
| 1214 bool is_virtual, | |
| 1215 bool is_optimized, TRAPS) { | |
| 1216 | |
| 1217 ResourceMark rm(thread); | |
| 1218 RegisterMap cbl_map(thread, false); | |
| 1219 frame caller_frame = thread->last_frame().sender(&cbl_map); | |
| 1220 | |
| 1295 | 1221 CodeBlob* caller_cb = caller_frame.cb(); |
| 1222 guarantee(caller_cb != NULL && caller_cb->is_nmethod(), "must be called from nmethod"); | |
| 1223 nmethod* caller_nm = caller_cb->as_nmethod_or_null(); | |
| 0 | 1224 // make sure caller is not getting deoptimized |
| 1225 // and removed before we are done with it. | |
| 1226 // CLEANUP - with lazy deopt shouldn't need this lock | |
| 1295 | 1227 nmethodLocker caller_lock(caller_nm); |
| 0 | 1228 |
| 1229 | |
| 1230 // determine call info & receiver | |
| 1231 // note: a) receiver is NULL for static calls | |
| 1232 // b) an exception is thrown if receiver is NULL for non-static calls | |
| 1233 CallInfo call_info; | |
| 1234 Bytecodes::Code invoke_code = Bytecodes::_illegal; | |
| 1235 Handle receiver = find_callee_info(thread, invoke_code, | |
| 1236 call_info, CHECK_(methodHandle())); | |
| 1237 methodHandle callee_method = call_info.selected_method(); | |
| 1238 | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1239 assert((!is_virtual && invoke_code == Bytecodes::_invokestatic ) || |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1240 (!is_virtual && invoke_code == Bytecodes::_invokehandle ) || |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1241 (!is_virtual && invoke_code == Bytecodes::_invokedynamic) || |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1242 ( is_virtual && invoke_code != Bytecodes::_invokestatic ), "inconsistent bytecode"); |
| 0 | 1243 |
| 1244 #ifndef PRODUCT | |
| 1245 // tracing/debugging/statistics | |
| 1246 int *addr = (is_optimized) ? (&_resolve_opt_virtual_ctr) : | |
| 1247 (is_virtual) ? (&_resolve_virtual_ctr) : | |
| 1248 (&_resolve_static_ctr); | |
| 1249 Atomic::inc(addr); | |
| 1250 | |
| 1251 if (TraceCallFixup) { | |
| 1252 ResourceMark rm(thread); | |
| 1253 tty->print("resolving %s%s (%s) call to", | |
| 1254 (is_optimized) ? "optimized " : "", (is_virtual) ? "virtual" : "static", | |
| 1255 Bytecodes::name(invoke_code)); | |
| 1256 callee_method->print_short_name(tty); | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1257 tty->print_cr(" at pc: " INTPTR_FORMAT " to code: " INTPTR_FORMAT, caller_frame.pc(), callee_method->code()); |
| 0 | 1258 } |
| 1259 #endif | |
| 1260 | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1261 // JSR 292 key invariant: |
| 1295 | 1262 // If the resolved method is a MethodHandle invoke target the call |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1263 // site must be a MethodHandle call site, because the lambda form might tail-call |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1264 // leaving the stack in a state unknown to either caller or callee |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1265 // TODO detune for now but we might need it again |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1266 // assert(!callee_method->is_compiled_lambda_form() || |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1267 // caller_nm->is_method_handle_return(caller_frame.pc()), "must be MH call site"); |
| 1295 | 1268 |
| 0 | 1269 // Compute entry points. This might require generation of C2I converter |
| 1270 // frames, so we cannot be holding any locks here. Furthermore, the | |
| 1271 // computation of the entry points is independent of patching the call. We | |
| 1272 // always return the entry-point, but we only patch the stub if the call has | |
| 1273 // not been deoptimized. Return values: For a virtual call this is an | |
| 1274 // (cached_oop, destination address) pair. For a static call/optimized | |
| 1275 // virtual this is just a destination address. | |
| 1276 | |
| 1277 StaticCallInfo static_call_info; | |
| 1278 CompiledICInfo virtual_call_info; | |
| 1279 | |
| 1280 // Make sure the callee nmethod does not get deoptimized and removed before | |
| 1281 // we are done patching the code. | |
| 1295 | 1282 nmethod* callee_nm = callee_method->code(); |
| 1283 nmethodLocker nl_callee(callee_nm); | |
| 0 | 1284 #ifdef ASSERT |
| 1295 | 1285 address dest_entry_point = callee_nm == NULL ? 0 : callee_nm->entry_point(); // used below |
| 0 | 1286 #endif |
| 1287 | |
| 1288 if (is_virtual) { | |
| 1289 assert(receiver.not_null(), "sanity check"); | |
| 1290 bool static_bound = call_info.resolved_method()->can_be_statically_bound(); | |
| 1291 KlassHandle h_klass(THREAD, receiver->klass()); | |
| 1292 CompiledIC::compute_monomorphic_entry(callee_method, h_klass, | |
| 1293 is_optimized, static_bound, virtual_call_info, | |
| 1294 CHECK_(methodHandle())); | |
| 1295 } else { | |
| 1296 // static call | |
| 1297 CompiledStaticCall::compute_entry(callee_method, static_call_info); | |
| 1298 } | |
| 1299 | |
| 1300 // grab lock, check for deoptimization and potentially patch caller | |
| 1301 { | |
| 1302 MutexLocker ml_patch(CompiledIC_lock); | |
| 1303 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1304 // Now that we are ready to patch if the Method* was redefined then |
| 0 | 1305 // don't update call site and let the caller retry. |
| 1306 | |
| 1307 if (!callee_method->is_old()) { | |
| 1308 #ifdef ASSERT | |
| 1309 // We must not try to patch to jump to an already unloaded method. | |
| 1310 if (dest_entry_point != 0) { | |
| 1311 assert(CodeCache::find_blob(dest_entry_point) != NULL, | |
| 1312 "should not unload nmethod while locked"); | |
| 1313 } | |
| 1314 #endif | |
| 1315 if (is_virtual) { | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1316 nmethod* nm = callee_nm; |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1317 if (nm == NULL) CodeCache::find_blob(caller_frame.pc()); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1318 CompiledIC* inline_cache = CompiledIC_before(caller_nm, caller_frame.pc()); |
| 0 | 1319 if (inline_cache->is_clean()) { |
| 1320 inline_cache->set_to_monomorphic(virtual_call_info); | |
| 1321 } | |
| 1322 } else { | |
| 1323 CompiledStaticCall* ssc = compiledStaticCall_before(caller_frame.pc()); | |
| 1324 if (ssc->is_clean()) ssc->set(static_call_info); | |
| 1325 } | |
| 1326 } | |
| 1327 | |
| 1328 } // unlock CompiledIC_lock | |
| 1329 | |
| 1330 return callee_method; | |
| 1331 } | |
| 1332 | |
| 1333 | |
| 1334 // Inline caches exist only in compiled code | |
| 1335 JRT_BLOCK_ENTRY(address, SharedRuntime::handle_wrong_method_ic_miss(JavaThread* thread)) | |
| 1336 #ifdef ASSERT | |
| 1337 RegisterMap reg_map(thread, false); | |
| 1338 frame stub_frame = thread->last_frame(); | |
| 1339 assert(stub_frame.is_runtime_frame(), "sanity check"); | |
| 1340 frame caller_frame = stub_frame.sender(®_map); | |
| 1341 assert(!caller_frame.is_interpreted_frame() && !caller_frame.is_entry_frame(), "unexpected frame"); | |
| 1342 #endif /* ASSERT */ | |
| 1343 | |
| 1344 methodHandle callee_method; | |
| 1345 JRT_BLOCK | |
| 1346 callee_method = SharedRuntime::handle_ic_miss_helper(thread, CHECK_NULL); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1347 // Return Method* through TLS |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1348 thread->set_vm_result_2(callee_method()); |
| 0 | 1349 JRT_BLOCK_END |
| 1350 // return compiled code entry point after potential safepoints | |
| 1351 assert(callee_method->verified_code_entry() != NULL, " Jump to zero!"); | |
| 1352 return callee_method->verified_code_entry(); | |
| 1353 JRT_END | |
| 1354 | |
|
9023
f94bb5d20e5d
Rename MethodInvalidatedException to InvalidInstalledCodeException (and make it a checked exception). Make sure that a compiled code object can always be directly called without first doing a check on the native method pointer.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
8968
diff
changeset
|
1355 // Installed code has been deoptimized |
|
f94bb5d20e5d
Rename MethodInvalidatedException to InvalidInstalledCodeException (and make it a checked exception). Make sure that a compiled code object can always be directly called without first doing a check on the native method pointer.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
8968
diff
changeset
|
1356 JRT_BLOCK_ENTRY(address, SharedRuntime::handle_deoptimized_installed_code(JavaThread* thread)) |
|
f94bb5d20e5d
Rename MethodInvalidatedException to InvalidInstalledCodeException (and make it a checked exception). Make sure that a compiled code object can always be directly called without first doing a check on the native method pointer.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
8968
diff
changeset
|
1357 JavaThread* THREAD = thread; |
|
9025
ff5a32117e02
Implement fast invocation of installed code (direct tail call to the target machine code address).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
9023
diff
changeset
|
1358 ThreadInVMfromJava tiv(THREAD); |
|
ff5a32117e02
Implement fast invocation of installed code (direct tail call to the target machine code address).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
9023
diff
changeset
|
1359 THROW_(vmSymbols::com_oracle_graal_api_code_InvalidInstalledCodeException(), NULL); |
|
9023
f94bb5d20e5d
Rename MethodInvalidatedException to InvalidInstalledCodeException (and make it a checked exception). Make sure that a compiled code object can always be directly called without first doing a check on the native method pointer.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
8968
diff
changeset
|
1360 JRT_END |
| 0 | 1361 |
| 1362 // Handle call site that has been made non-entrant | |
| 1363 JRT_BLOCK_ENTRY(address, SharedRuntime::handle_wrong_method(JavaThread* thread)) | |
| 1364 // 6243940 We might end up in here if the callee is deoptimized | |
| 1365 // as we race to call it. We don't want to take a safepoint if | |
| 1366 // the caller was interpreted because the caller frame will look | |
| 1367 // interpreted to the stack walkers and arguments are now | |
| 1368 // "compiled" so it is much better to make this transition | |
| 1369 // invisible to the stack walking code. The i2c path will | |
| 1370 // place the callee method in the callee_target. It is stashed | |
| 1371 // there because if we try and find the callee by normal means a | |
| 1372 // safepoint is possible and have trouble gc'ing the compiled args. | |
| 1373 RegisterMap reg_map(thread, false); | |
| 1374 frame stub_frame = thread->last_frame(); | |
| 1375 assert(stub_frame.is_runtime_frame(), "sanity check"); | |
| 1376 frame caller_frame = stub_frame.sender(®_map); | |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
845
diff
changeset
|
1377 |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
845
diff
changeset
|
1378 // MethodHandle invokes don't have a CompiledIC and should always |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
845
diff
changeset
|
1379 // simply redispatch to the callee_target. |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
845
diff
changeset
|
1380 address sender_pc = caller_frame.pc(); |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
845
diff
changeset
|
1381 CodeBlob* sender_cb = caller_frame.cb(); |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
845
diff
changeset
|
1382 nmethod* sender_nm = sender_cb->as_nmethod_or_null(); |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
845
diff
changeset
|
1383 |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
845
diff
changeset
|
1384 if (caller_frame.is_interpreted_frame() || |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1385 caller_frame.is_entry_frame()) { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1386 Method* callee = thread->callee_target(); |
| 0 | 1387 guarantee(callee != NULL && callee->is_method(), "bad handshake"); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1388 thread->set_vm_result_2(callee); |
| 0 | 1389 thread->set_callee_target(NULL); |
| 1390 return callee->get_c2i_entry(); | |
| 1391 } | |
| 1392 | |
| 1393 // Must be compiled to compiled path which is safe to stackwalk | |
| 1394 methodHandle callee_method; | |
| 1395 JRT_BLOCK | |
| 1396 // Force resolving of caller (if we called from compiled frame) | |
| 1397 callee_method = SharedRuntime::reresolve_call_site(thread, CHECK_NULL); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1398 thread->set_vm_result_2(callee_method()); |
| 0 | 1399 JRT_BLOCK_END |
| 1400 // return compiled code entry point after potential safepoints | |
| 1401 assert(callee_method->verified_code_entry() != NULL, " Jump to zero!"); | |
| 1402 return callee_method->verified_code_entry(); | |
| 1403 JRT_END | |
| 1404 | |
| 1405 | |
| 1406 // resolve a static call and patch code | |
| 1407 JRT_BLOCK_ENTRY(address, SharedRuntime::resolve_static_call_C(JavaThread *thread )) | |
| 1408 methodHandle callee_method; | |
| 1409 JRT_BLOCK | |
| 1410 callee_method = SharedRuntime::resolve_helper(thread, false, false, CHECK_NULL); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1411 thread->set_vm_result_2(callee_method()); |
| 0 | 1412 JRT_BLOCK_END |
| 1413 // return compiled code entry point after potential safepoints | |
| 1414 assert(callee_method->verified_code_entry() != NULL, " Jump to zero!"); | |
| 1415 return callee_method->verified_code_entry(); | |
| 1416 JRT_END | |
| 1417 | |
| 1418 | |
| 1419 // resolve virtual call and update inline cache to monomorphic | |
| 1420 JRT_BLOCK_ENTRY(address, SharedRuntime::resolve_virtual_call_C(JavaThread *thread )) | |
| 1421 methodHandle callee_method; | |
| 1422 JRT_BLOCK | |
| 1423 callee_method = SharedRuntime::resolve_helper(thread, true, false, CHECK_NULL); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1424 thread->set_vm_result_2(callee_method()); |
| 0 | 1425 JRT_BLOCK_END |
| 1426 // return compiled code entry point after potential safepoints | |
| 1427 assert(callee_method->verified_code_entry() != NULL, " Jump to zero!"); | |
| 1428 return callee_method->verified_code_entry(); | |
| 1429 JRT_END | |
| 1430 | |
| 1431 | |
| 1432 // Resolve a virtual call that can be statically bound (e.g., always | |
| 1433 // monomorphic, so it has no inline cache). Patch code to resolved target. | |
| 1434 JRT_BLOCK_ENTRY(address, SharedRuntime::resolve_opt_virtual_call_C(JavaThread *thread)) | |
| 1435 methodHandle callee_method; | |
| 1436 JRT_BLOCK | |
| 1437 callee_method = SharedRuntime::resolve_helper(thread, true, true, CHECK_NULL); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1438 thread->set_vm_result_2(callee_method()); |
| 0 | 1439 JRT_BLOCK_END |
| 1440 // return compiled code entry point after potential safepoints | |
| 1441 assert(callee_method->verified_code_entry() != NULL, " Jump to zero!"); | |
| 1442 return callee_method->verified_code_entry(); | |
| 1443 JRT_END | |
| 1444 | |
| 1445 | |
| 1446 | |
| 1447 | |
| 1448 | |
| 1449 methodHandle SharedRuntime::handle_ic_miss_helper(JavaThread *thread, TRAPS) { | |
| 1450 ResourceMark rm(thread); | |
| 1451 CallInfo call_info; | |
| 1452 Bytecodes::Code bc; | |
| 1453 | |
| 1454 // receiver is NULL for static calls. An exception is thrown for NULL | |
| 1455 // receivers for non-static calls | |
| 1456 Handle receiver = find_callee_info(thread, bc, call_info, | |
| 1457 CHECK_(methodHandle())); | |
| 1458 // Compiler1 can produce virtual call sites that can actually be statically bound | |
| 1459 // If we fell thru to below we would think that the site was going megamorphic | |
| 1460 // when in fact the site can never miss. Worse because we'd think it was megamorphic | |
| 1461 // we'd try and do a vtable dispatch however methods that can be statically bound | |
| 1462 // don't have vtable entries (vtable_index < 0) and we'd blow up. So we force a | |
| 1463 // reresolution of the call site (as if we did a handle_wrong_method and not an | |
| 1464 // plain ic_miss) and the site will be converted to an optimized virtual call site | |
| 1465 // never to miss again. I don't believe C2 will produce code like this but if it | |
| 1466 // did this would still be the correct thing to do for it too, hence no ifdef. | |
| 1467 // | |
| 1468 if (call_info.resolved_method()->can_be_statically_bound()) { | |
| 1469 methodHandle callee_method = SharedRuntime::reresolve_call_site(thread, CHECK_(methodHandle())); | |
| 1470 if (TraceCallFixup) { | |
| 1471 RegisterMap reg_map(thread, false); | |
| 1472 frame caller_frame = thread->last_frame().sender(®_map); | |
| 1473 ResourceMark rm(thread); | |
| 1474 tty->print("converting IC miss to reresolve (%s) call to", Bytecodes::name(bc)); | |
| 1475 callee_method->print_short_name(tty); | |
| 1476 tty->print_cr(" from pc: " INTPTR_FORMAT, caller_frame.pc()); | |
| 1477 tty->print_cr(" code: " INTPTR_FORMAT, callee_method->code()); | |
| 1478 } | |
| 1479 return callee_method; | |
| 1480 } | |
| 1481 | |
| 1482 methodHandle callee_method = call_info.selected_method(); | |
| 1483 | |
| 1484 bool should_be_mono = false; | |
| 1485 | |
| 1486 #ifndef PRODUCT | |
| 1487 Atomic::inc(&_ic_miss_ctr); | |
| 1488 | |
| 1489 // Statistics & Tracing | |
| 1490 if (TraceCallFixup) { | |
| 1491 ResourceMark rm(thread); | |
| 1492 tty->print("IC miss (%s) call to", Bytecodes::name(bc)); | |
| 1493 callee_method->print_short_name(tty); | |
| 1494 tty->print_cr(" code: " INTPTR_FORMAT, callee_method->code()); | |
| 1495 } | |
| 1496 | |
| 1497 if (ICMissHistogram) { | |
| 1498 MutexLocker m(VMStatistic_lock); | |
| 1499 RegisterMap reg_map(thread, false); | |
| 1500 frame f = thread->last_frame().real_sender(®_map);// skip runtime stub | |
| 1501 // produce statistics under the lock | |
| 1502 trace_ic_miss(f.pc()); | |
| 1503 } | |
| 1504 #endif | |
| 1505 | |
| 1506 // install an event collector so that when a vtable stub is created the | |
| 1507 // profiler can be notified via a DYNAMIC_CODE_GENERATED event. The | |
| 1508 // event can't be posted when the stub is created as locks are held | |
| 1509 // - instead the event will be deferred until the event collector goes | |
| 1510 // out of scope. | |
| 1511 JvmtiDynamicCodeEventCollector event_collector; | |
| 1512 | |
| 1513 // Update inline cache to megamorphic. Skip update if caller has been | |
| 1514 // made non-entrant or we are called from interpreted. | |
| 1515 { MutexLocker ml_patch (CompiledIC_lock); | |
| 1516 RegisterMap reg_map(thread, false); | |
| 1517 frame caller_frame = thread->last_frame().sender(®_map); | |
| 1518 CodeBlob* cb = caller_frame.cb(); | |
| 1519 if (cb->is_nmethod() && ((nmethod*)cb)->is_in_use()) { | |
| 1520 // Not a non-entrant nmethod, so find inline_cache | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1521 CompiledIC* inline_cache = CompiledIC_before(((nmethod*)cb), caller_frame.pc()); |
| 0 | 1522 bool should_be_mono = false; |
| 1523 if (inline_cache->is_optimized()) { | |
| 1524 if (TraceCallFixup) { | |
| 1525 ResourceMark rm(thread); | |
| 1526 tty->print("OPTIMIZED IC miss (%s) call to", Bytecodes::name(bc)); | |
| 1527 callee_method->print_short_name(tty); | |
| 1528 tty->print_cr(" code: " INTPTR_FORMAT, callee_method->code()); | |
| 1529 } | |
| 1530 should_be_mono = true; | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1531 } else if (inline_cache->is_icholder_call()) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1532 CompiledICHolder* ic_oop = inline_cache->cached_icholder(); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1533 if ( ic_oop != NULL) { |
| 0 | 1534 |
| 1535 if (receiver()->klass() == ic_oop->holder_klass()) { | |
| 1536 // This isn't a real miss. We must have seen that compiled code | |
| 1537 // is now available and we want the call site converted to a | |
| 1538 // monomorphic compiled call site. | |
| 1539 // We can't assert for callee_method->code() != NULL because it | |
| 1540 // could have been deoptimized in the meantime | |
| 1541 if (TraceCallFixup) { | |
| 1542 ResourceMark rm(thread); | |
| 1543 tty->print("FALSE IC miss (%s) converting to compiled call to", Bytecodes::name(bc)); | |
| 1544 callee_method->print_short_name(tty); | |
| 1545 tty->print_cr(" code: " INTPTR_FORMAT, callee_method->code()); | |
| 1546 } | |
| 1547 should_be_mono = true; | |
| 1548 } | |
| 1549 } | |
| 1550 } | |
| 1551 | |
| 1552 if (should_be_mono) { | |
| 1553 | |
| 1554 // We have a path that was monomorphic but was going interpreted | |
| 1555 // and now we have (or had) a compiled entry. We correct the IC | |
| 1556 // by using a new icBuffer. | |
| 1557 CompiledICInfo info; | |
| 1558 KlassHandle receiver_klass(THREAD, receiver()->klass()); | |
| 1559 inline_cache->compute_monomorphic_entry(callee_method, | |
| 1560 receiver_klass, | |
| 1561 inline_cache->is_optimized(), | |
| 1562 false, | |
| 1563 info, CHECK_(methodHandle())); | |
| 1564 inline_cache->set_to_monomorphic(info); | |
| 1565 } else if (!inline_cache->is_megamorphic() && !inline_cache->is_clean()) { | |
| 1566 // Change to megamorphic | |
| 1567 inline_cache->set_to_megamorphic(&call_info, bc, CHECK_(methodHandle())); | |
| 1568 } else { | |
| 1569 // Either clean or megamorphic | |
| 1570 } | |
| 1571 } | |
| 1572 } // Release CompiledIC_lock | |
| 1573 | |
| 1574 return callee_method; | |
| 1575 } | |
| 1576 | |
| 1577 // | |
| 1578 // Resets a call-site in compiled code so it will get resolved again. | |
| 1579 // This routines handles both virtual call sites, optimized virtual call | |
| 1580 // sites, and static call sites. Typically used to change a call sites | |
| 1581 // destination from compiled to interpreted. | |
| 1582 // | |
| 1583 methodHandle SharedRuntime::reresolve_call_site(JavaThread *thread, TRAPS) { | |
| 1584 ResourceMark rm(thread); | |
| 1585 RegisterMap reg_map(thread, false); | |
| 1586 frame stub_frame = thread->last_frame(); | |
| 1587 assert(stub_frame.is_runtime_frame(), "must be a runtimeStub"); | |
| 1588 frame caller = stub_frame.sender(®_map); | |
| 1589 | |
| 1590 // Do nothing if the frame isn't a live compiled frame. | |
| 1591 // nmethod could be deoptimized by the time we get here | |
| 1592 // so no update to the caller is needed. | |
| 1593 | |
| 1594 if (caller.is_compiled_frame() && !caller.is_deoptimized_frame()) { | |
| 1595 | |
| 1596 address pc = caller.pc(); | |
| 1597 | |
| 1598 // Default call_addr is the location of the "basic" call. | |
| 1599 // Determine the address of the call we a reresolving. With | |
| 1600 // Inline Caches we will always find a recognizable call. | |
| 1601 // With Inline Caches disabled we may or may not find a | |
| 1602 // recognizable call. We will always find a call for static | |
| 1603 // calls and for optimized virtual calls. For vanilla virtual | |
| 1604 // calls it depends on the state of the UseInlineCaches switch. | |
| 1605 // | |
| 1606 // With Inline Caches disabled we can get here for a virtual call | |
| 1607 // for two reasons: | |
| 1608 // 1 - calling an abstract method. The vtable for abstract methods | |
| 1609 // will run us thru handle_wrong_method and we will eventually | |
| 1610 // end up in the interpreter to throw the ame. | |
| 1611 // 2 - a racing deoptimization. We could be doing a vanilla vtable | |
| 1612 // call and between the time we fetch the entry address and | |
| 1613 // we jump to it the target gets deoptimized. Similar to 1 | |
| 1614 // we will wind up in the interprter (thru a c2i with c2). | |
| 1615 // | |
| 1616 address call_addr = NULL; | |
| 1617 { | |
| 1618 // Get call instruction under lock because another thread may be | |
| 1619 // busy patching it. | |
| 1620 MutexLockerEx ml_patch(Patching_lock, Mutex::_no_safepoint_check_flag); | |
| 1621 // Location of call instruction | |
| 1622 if (NativeCall::is_call_before(pc)) { | |
| 1623 NativeCall *ncall = nativeCall_before(pc); | |
| 1624 call_addr = ncall->instruction_address(); | |
| 1625 } | |
| 1626 } | |
| 1627 | |
| 1628 // Check for static or virtual call | |
| 1629 bool is_static_call = false; | |
| 1630 nmethod* caller_nm = CodeCache::find_nmethod(pc); | |
| 1631 // Make sure nmethod doesn't get deoptimized and removed until | |
| 1632 // this is done with it. | |
| 1633 // CLEANUP - with lazy deopt shouldn't need this lock | |
| 1634 nmethodLocker nmlock(caller_nm); | |
| 1635 | |
| 1636 if (call_addr != NULL) { | |
| 1637 RelocIterator iter(caller_nm, call_addr, call_addr+1); | |
| 1638 int ret = iter.next(); // Get item | |
| 1639 if (ret) { | |
| 1640 assert(iter.addr() == call_addr, "must find call"); | |
| 1641 if (iter.type() == relocInfo::static_call_type) { | |
| 1642 is_static_call = true; | |
| 1643 } else { | |
| 1644 assert(iter.type() == relocInfo::virtual_call_type || | |
| 1645 iter.type() == relocInfo::opt_virtual_call_type | |
| 1646 , "unexpected relocInfo. type"); | |
| 1647 } | |
| 1648 } else { | |
| 1649 assert(!UseInlineCaches, "relocation info. must exist for this address"); | |
| 1650 } | |
| 1651 | |
| 1652 // Cleaning the inline cache will force a new resolve. This is more robust | |
| 1653 // than directly setting it to the new destination, since resolving of calls | |
| 1654 // is always done through the same code path. (experience shows that it | |
| 1655 // leads to very hard to track down bugs, if an inline cache gets updated | |
| 1656 // to a wrong method). It should not be performance critical, since the | |
| 1657 // resolve is only done once. | |
| 1658 | |
| 1659 MutexLocker ml(CompiledIC_lock); | |
| 1660 // | |
| 1661 // We do not patch the call site if the nmethod has been made non-entrant | |
| 1662 // as it is a waste of time | |
| 1663 // | |
| 1664 if (caller_nm->is_in_use()) { | |
| 1665 if (is_static_call) { | |
| 1666 CompiledStaticCall* ssc= compiledStaticCall_at(call_addr); | |
| 1667 ssc->set_to_clean(); | |
| 1668 } else { | |
| 1669 // compiled, dispatched call (which used to call an interpreted method) | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1670 CompiledIC* inline_cache = CompiledIC_at(caller_nm, call_addr); |
| 0 | 1671 inline_cache->set_to_clean(); |
| 1672 } | |
| 1673 } | |
| 1674 } | |
| 1675 | |
| 1676 } | |
| 1677 | |
| 1678 methodHandle callee_method = find_callee_method(thread, CHECK_(methodHandle())); | |
| 1679 | |
| 1680 | |
| 1681 #ifndef PRODUCT | |
| 1682 Atomic::inc(&_wrong_method_ctr); | |
| 1683 | |
| 1684 if (TraceCallFixup) { | |
| 1685 ResourceMark rm(thread); | |
| 1686 tty->print("handle_wrong_method reresolving call to"); | |
| 1687 callee_method->print_short_name(tty); | |
| 1688 tty->print_cr(" code: " INTPTR_FORMAT, callee_method->code()); | |
| 1689 } | |
| 1690 #endif | |
| 1691 | |
| 1692 return callee_method; | |
| 1693 } | |
| 1694 | |
|
6790
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1695 #ifdef ASSERT |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1696 void SharedRuntime::check_member_name_argument_is_last_argument(methodHandle method, |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1697 const BasicType* sig_bt, |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1698 const VMRegPair* regs) { |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1699 ResourceMark rm; |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1700 const int total_args_passed = method->size_of_parameters(); |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1701 const VMRegPair* regs_with_member_name = regs; |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1702 VMRegPair* regs_without_member_name = NEW_RESOURCE_ARRAY(VMRegPair, total_args_passed - 1); |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1703 |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1704 const int member_arg_pos = total_args_passed - 1; |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1705 assert(member_arg_pos >= 0 && member_arg_pos < total_args_passed, "oob"); |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1706 assert(sig_bt[member_arg_pos] == T_OBJECT, "dispatch argument must be an object"); |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1707 |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1708 const bool is_outgoing = method->is_method_handle_intrinsic(); |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1709 int comp_args_on_stack = java_calling_convention(sig_bt, regs_without_member_name, total_args_passed - 1, is_outgoing); |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1710 |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1711 for (int i = 0; i < member_arg_pos; i++) { |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1712 VMReg a = regs_with_member_name[i].first(); |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1713 VMReg b = regs_without_member_name[i].first(); |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1714 assert(a->value() == b->value(), err_msg_res("register allocation mismatch: a=%d, b=%d", a->value(), b->value())); |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1715 } |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1716 assert(regs_with_member_name[member_arg_pos].first()->is_valid(), "bad member arg"); |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1717 } |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1718 #endif |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1719 |
| 0 | 1720 // --------------------------------------------------------------------------- |
| 1721 // We are calling the interpreter via a c2i. Normally this would mean that | |
| 1722 // we were called by a compiled method. However we could have lost a race | |
| 1723 // where we went int -> i2c -> c2i and so the caller could in fact be | |
| 1205 | 1724 // interpreted. If the caller is compiled we attempt to patch the caller |
| 0 | 1725 // so he no longer calls into the interpreter. |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1726 IRT_LEAF(void, SharedRuntime::fixup_callers_callsite(Method* method, address caller_pc)) |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1727 Method* moop(method); |
| 0 | 1728 |
| 1729 address entry_point = moop->from_compiled_entry(); | |
| 1730 | |
| 1731 // It's possible that deoptimization can occur at a call site which hasn't | |
| 1732 // been resolved yet, in which case this function will be called from | |
| 1733 // an nmethod that has been patched for deopt and we can ignore the | |
| 1734 // request for a fixup. | |
| 1735 // Also it is possible that we lost a race in that from_compiled_entry | |
| 1736 // is now back to the i2c in that case we don't need to patch and if | |
| 1737 // we did we'd leap into space because the callsite needs to use | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1738 // "to interpreter" stub in order to load up the Method*. Don't |
| 0 | 1739 // ask me how I know this... |
| 1740 | |
| 1741 CodeBlob* cb = CodeCache::find_blob(caller_pc); | |
| 1205 | 1742 if (!cb->is_nmethod() || entry_point == moop->get_c2i_entry()) { |
| 1743 return; | |
| 1744 } | |
| 1745 | |
| 1746 // The check above makes sure this is a nmethod. | |
| 1747 nmethod* nm = cb->as_nmethod_or_null(); | |
| 1748 assert(nm, "must be"); | |
| 1749 | |
|
4044
2ec638646e86
7101642: JSR 292: SIGSEGV in java.lang.invoke.MethodHandleImpl$FieldAccessor.getFieldI(Ljava/lang/Object;)I
twisti
parents:
4007
diff
changeset
|
1750 // Get the return PC for the passed caller PC. |
|
2ec638646e86
7101642: JSR 292: SIGSEGV in java.lang.invoke.MethodHandleImpl$FieldAccessor.getFieldI(Ljava/lang/Object;)I
twisti
parents:
4007
diff
changeset
|
1751 address return_pc = caller_pc + frame::pc_return_offset; |
|
2ec638646e86
7101642: JSR 292: SIGSEGV in java.lang.invoke.MethodHandleImpl$FieldAccessor.getFieldI(Ljava/lang/Object;)I
twisti
parents:
4007
diff
changeset
|
1752 |
| 0 | 1753 // There is a benign race here. We could be attempting to patch to a compiled |
| 1754 // entry point at the same time the callee is being deoptimized. If that is | |
| 1755 // the case then entry_point may in fact point to a c2i and we'd patch the | |
| 1756 // call site with the same old data. clear_code will set code() to NULL | |
| 1757 // at the end of it. If we happen to see that NULL then we can skip trying | |
| 1758 // to patch. If we hit the window where the callee has a c2i in the | |
| 1759 // from_compiled_entry and the NULL isn't present yet then we lose the race | |
| 1760 // and patch the code with the same old data. Asi es la vida. | |
| 1761 | |
| 1762 if (moop->code() == NULL) return; | |
| 1763 | |
| 1205 | 1764 if (nm->is_in_use()) { |
| 0 | 1765 |
| 1766 // Expect to find a native call there (unless it was no-inline cache vtable dispatch) | |
| 1767 MutexLockerEx ml_patch(Patching_lock, Mutex::_no_safepoint_check_flag); | |
|
4044
2ec638646e86
7101642: JSR 292: SIGSEGV in java.lang.invoke.MethodHandleImpl$FieldAccessor.getFieldI(Ljava/lang/Object;)I
twisti
parents:
4007
diff
changeset
|
1768 if (NativeCall::is_call_before(return_pc)) { |
|
2ec638646e86
7101642: JSR 292: SIGSEGV in java.lang.invoke.MethodHandleImpl$FieldAccessor.getFieldI(Ljava/lang/Object;)I
twisti
parents:
4007
diff
changeset
|
1769 NativeCall *call = nativeCall_before(return_pc); |
| 0 | 1770 // |
| 1771 // bug 6281185. We might get here after resolving a call site to a vanilla | |
| 1772 // virtual call. Because the resolvee uses the verified entry it may then | |
| 1773 // see compiled code and attempt to patch the site by calling us. This would | |
| 1774 // then incorrectly convert the call site to optimized and its downhill from | |
| 1775 // there. If you're lucky you'll get the assert in the bugid, if not you've | |
| 1776 // just made a call site that could be megamorphic into a monomorphic site | |
| 1777 // for the rest of its life! Just another racing bug in the life of | |
| 1778 // fixup_callers_callsite ... | |
| 1779 // | |
|
1563
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1507
diff
changeset
|
1780 RelocIterator iter(nm, call->instruction_address(), call->next_instruction_address()); |
| 0 | 1781 iter.next(); |
| 1782 assert(iter.has_current(), "must have a reloc at java call site"); | |
| 1783 relocInfo::relocType typ = iter.reloc()->type(); | |
| 1784 if ( typ != relocInfo::static_call_type && | |
| 1785 typ != relocInfo::opt_virtual_call_type && | |
| 1786 typ != relocInfo::static_stub_type) { | |
| 1787 return; | |
| 1788 } | |
| 1789 address destination = call->destination(); | |
| 1790 if (destination != entry_point) { | |
| 1791 CodeBlob* callee = CodeCache::find_blob(destination); | |
| 1792 // callee == cb seems weird. It means calling interpreter thru stub. | |
| 1793 if (callee == cb || callee->is_adapter_blob()) { | |
| 1794 // static call or optimized virtual | |
| 1795 if (TraceCallFixup) { | |
| 1204 | 1796 tty->print("fixup callsite at " INTPTR_FORMAT " to compiled code for", caller_pc); |
| 0 | 1797 moop->print_short_name(tty); |
| 1798 tty->print_cr(" to " INTPTR_FORMAT, entry_point); | |
| 1799 } | |
| 1800 call->set_destination_mt_safe(entry_point); | |
| 1801 } else { | |
| 1802 if (TraceCallFixup) { | |
| 1803 tty->print("failed to fixup callsite at " INTPTR_FORMAT " to compiled code for", caller_pc); | |
| 1804 moop->print_short_name(tty); | |
| 1805 tty->print_cr(" to " INTPTR_FORMAT, entry_point); | |
| 1806 } | |
| 1807 // assert is too strong could also be resolve destinations. | |
| 1808 // assert(InlineCacheBuffer::contains(destination) || VtableStubs::contains(destination), "must be"); | |
| 1809 } | |
| 1810 } else { | |
| 1811 if (TraceCallFixup) { | |
| 1204 | 1812 tty->print("already patched callsite at " INTPTR_FORMAT " to compiled code for", caller_pc); |
| 0 | 1813 moop->print_short_name(tty); |
| 1814 tty->print_cr(" to " INTPTR_FORMAT, entry_point); | |
| 1815 } | |
| 1816 } | |
| 1817 } | |
| 1818 } | |
| 1819 IRT_END | |
| 1820 | |
| 1821 | |
| 1822 // same as JVM_Arraycopy, but called directly from compiled code | |
| 1823 JRT_ENTRY(void, SharedRuntime::slow_arraycopy_C(oopDesc* src, jint src_pos, | |
| 1824 oopDesc* dest, jint dest_pos, | |
| 1825 jint length, | |
| 1826 JavaThread* thread)) { | |
| 1827 #ifndef PRODUCT | |
| 1828 _slow_array_copy_ctr++; | |
| 1829 #endif | |
| 1830 // Check if we have null pointers | |
| 1831 if (src == NULL || dest == NULL) { | |
| 1832 THROW(vmSymbols::java_lang_NullPointerException()); | |
| 1833 } | |
| 1834 // Do the copy. The casts to arrayOop are necessary to the copy_array API, | |
| 1835 // even though the copy_array API also performs dynamic checks to ensure | |
| 1836 // that src and dest are truly arrays (and are conformable). | |
| 1837 // The copy_array mechanism is awkward and could be removed, but | |
| 1838 // the compilers don't call this function except as a last resort, | |
| 1839 // so it probably doesn't matter. | |
| 6983 | 1840 src->klass()->copy_array((arrayOopDesc*)src, src_pos, |
| 0 | 1841 (arrayOopDesc*)dest, dest_pos, |
| 1842 length, thread); | |
| 1843 } | |
| 1844 JRT_END | |
| 1845 | |
| 1846 char* SharedRuntime::generate_class_cast_message( | |
| 1847 JavaThread* thread, const char* objName) { | |
| 1848 | |
| 1849 // Get target class name from the checkcast instruction | |
| 1850 vframeStream vfst(thread, true); | |
| 1851 assert(!vfst.at_end(), "Java frame must exist"); | |
| 2142 | 1852 Bytecode_checkcast cc(vfst.method(), vfst.method()->bcp_from(vfst.bci())); |
| 6983 | 1853 Klass* targetKlass = vfst.method()->constants()->klass_at( |
| 1854 cc.index(), thread); | |
| 0 | 1855 return generate_class_cast_message(objName, targetKlass->external_name()); |
| 1856 } | |
| 1857 | |
| 1858 char* SharedRuntime::generate_class_cast_message( | |
| 710 | 1859 const char* objName, const char* targetKlassName, const char* desc) { |
| 0 | 1860 size_t msglen = strlen(objName) + strlen(desc) + strlen(targetKlassName) + 1; |
| 1861 | |
| 53 | 1862 char* message = NEW_RESOURCE_ARRAY(char, msglen); |
| 0 | 1863 if (NULL == message) { |
| 53 | 1864 // Shouldn't happen, but don't cause even more problems if it does |
| 0 | 1865 message = const_cast<char*>(objName); |
| 1866 } else { | |
| 1867 jio_snprintf(message, msglen, "%s%s%s", objName, desc, targetKlassName); | |
| 1868 } | |
| 1869 return message; | |
| 1870 } | |
| 1871 | |
| 1872 JRT_LEAF(void, SharedRuntime::reguard_yellow_pages()) | |
| 1873 (void) JavaThread::current()->reguard_stack(); | |
| 1874 JRT_END | |
| 1875 | |
| 1876 | |
| 1877 // Handles the uncommon case in locking, i.e., contention or an inflated lock. | |
| 1878 #ifndef PRODUCT | |
| 1879 int SharedRuntime::_monitor_enter_ctr=0; | |
| 1880 #endif | |
| 1881 JRT_ENTRY_NO_ASYNC(void, SharedRuntime::complete_monitor_locking_C(oopDesc* _obj, BasicLock* lock, JavaThread* thread)) | |
| 1882 oop obj(_obj); | |
| 1883 #ifndef PRODUCT | |
| 1884 _monitor_enter_ctr++; // monitor enter slow | |
| 1885 #endif | |
| 1886 if (PrintBiasedLockingStatistics) { | |
| 1887 Atomic::inc(BiasedLocking::slow_path_entry_count_addr()); | |
| 1888 } | |
| 1889 Handle h_obj(THREAD, obj); | |
| 1890 if (UseBiasedLocking) { | |
| 1891 // Retry fast entry if bias is revoked to avoid unnecessary inflation | |
| 1892 ObjectSynchronizer::fast_enter(h_obj, lock, true, CHECK); | |
| 1893 } else { | |
| 1894 ObjectSynchronizer::slow_enter(h_obj, lock, CHECK); | |
| 1895 } | |
| 1896 assert(!HAS_PENDING_EXCEPTION, "Should have no exception here"); | |
| 1897 JRT_END | |
| 1898 | |
| 1899 #ifndef PRODUCT | |
| 1900 int SharedRuntime::_monitor_exit_ctr=0; | |
| 1901 #endif | |
| 1902 // Handles the uncommon cases of monitor unlocking in compiled code | |
| 1903 JRT_LEAF(void, SharedRuntime::complete_monitor_unlocking_C(oopDesc* _obj, BasicLock* lock)) | |
| 1904 oop obj(_obj); | |
| 1905 #ifndef PRODUCT | |
| 1906 _monitor_exit_ctr++; // monitor exit slow | |
| 1907 #endif | |
| 1908 Thread* THREAD = JavaThread::current(); | |
| 1909 // I'm not convinced we need the code contained by MIGHT_HAVE_PENDING anymore | |
| 1910 // testing was unable to ever fire the assert that guarded it so I have removed it. | |
| 1911 assert(!HAS_PENDING_EXCEPTION, "Do we need code below anymore?"); | |
| 1912 #undef MIGHT_HAVE_PENDING | |
| 1913 #ifdef MIGHT_HAVE_PENDING | |
| 1914 // Save and restore any pending_exception around the exception mark. | |
| 1915 // While the slow_exit must not throw an exception, we could come into | |
| 1916 // this routine with one set. | |
| 1917 oop pending_excep = NULL; | |
| 1918 const char* pending_file; | |
| 1919 int pending_line; | |
| 1920 if (HAS_PENDING_EXCEPTION) { | |
| 1921 pending_excep = PENDING_EXCEPTION; | |
| 1922 pending_file = THREAD->exception_file(); | |
| 1923 pending_line = THREAD->exception_line(); | |
| 1924 CLEAR_PENDING_EXCEPTION; | |
| 1925 } | |
| 1926 #endif /* MIGHT_HAVE_PENDING */ | |
| 1927 | |
| 1928 { | |
| 1929 // Exit must be non-blocking, and therefore no exceptions can be thrown. | |
| 1930 EXCEPTION_MARK; | |
| 1931 ObjectSynchronizer::slow_exit(obj, lock, THREAD); | |
| 1932 } | |
| 1933 | |
| 1934 #ifdef MIGHT_HAVE_PENDING | |
| 1935 if (pending_excep != NULL) { | |
| 1936 THREAD->set_pending_exception(pending_excep, pending_file, pending_line); | |
| 1937 } | |
| 1938 #endif /* MIGHT_HAVE_PENDING */ | |
| 1939 JRT_END | |
| 1940 | |
| 1941 #ifndef PRODUCT | |
| 1942 | |
| 1943 void SharedRuntime::print_statistics() { | |
| 1944 ttyLocker ttyl; | |
| 1945 if (xtty != NULL) xtty->head("statistics type='SharedRuntime'"); | |
| 1946 | |
| 1947 if (_monitor_enter_ctr ) tty->print_cr("%5d monitor enter slow", _monitor_enter_ctr); | |
| 1948 if (_monitor_exit_ctr ) tty->print_cr("%5d monitor exit slow", _monitor_exit_ctr); | |
| 1949 if (_throw_null_ctr) tty->print_cr("%5d implicit null throw", _throw_null_ctr); | |
| 1950 | |
| 1951 SharedRuntime::print_ic_miss_histogram(); | |
| 1952 | |
| 1953 if (CountRemovableExceptions) { | |
| 1954 if (_nof_removable_exceptions > 0) { | |
| 1955 Unimplemented(); // this counter is not yet incremented | |
| 1956 tty->print_cr("Removable exceptions: %d", _nof_removable_exceptions); | |
| 1957 } | |
| 1958 } | |
| 1959 | |
| 1960 // Dump the JRT_ENTRY counters | |
| 1961 if( _new_instance_ctr ) tty->print_cr("%5d new instance requires GC", _new_instance_ctr); | |
| 1962 if( _new_array_ctr ) tty->print_cr("%5d new array requires GC", _new_array_ctr); | |
| 1963 if( _multi1_ctr ) tty->print_cr("%5d multianewarray 1 dim", _multi1_ctr); | |
| 1964 if( _multi2_ctr ) tty->print_cr("%5d multianewarray 2 dim", _multi2_ctr); | |
| 1965 if( _multi3_ctr ) tty->print_cr("%5d multianewarray 3 dim", _multi3_ctr); | |
| 1966 if( _multi4_ctr ) tty->print_cr("%5d multianewarray 4 dim", _multi4_ctr); | |
| 1967 if( _multi5_ctr ) tty->print_cr("%5d multianewarray 5 dim", _multi5_ctr); | |
| 1968 | |
| 1969 tty->print_cr("%5d inline cache miss in compiled", _ic_miss_ctr ); | |
| 1970 tty->print_cr("%5d wrong method", _wrong_method_ctr ); | |
| 1971 tty->print_cr("%5d unresolved static call site", _resolve_static_ctr ); | |
| 1972 tty->print_cr("%5d unresolved virtual call site", _resolve_virtual_ctr ); | |
| 1973 tty->print_cr("%5d unresolved opt virtual call site", _resolve_opt_virtual_ctr ); | |
| 1974 | |
| 1975 if( _mon_enter_stub_ctr ) tty->print_cr("%5d monitor enter stub", _mon_enter_stub_ctr ); | |
| 1976 if( _mon_exit_stub_ctr ) tty->print_cr("%5d monitor exit stub", _mon_exit_stub_ctr ); | |
| 1977 if( _mon_enter_ctr ) tty->print_cr("%5d monitor enter slow", _mon_enter_ctr ); | |
| 1978 if( _mon_exit_ctr ) tty->print_cr("%5d monitor exit slow", _mon_exit_ctr ); | |
| 1979 if( _partial_subtype_ctr) tty->print_cr("%5d slow partial subtype", _partial_subtype_ctr ); | |
| 1980 if( _jbyte_array_copy_ctr ) tty->print_cr("%5d byte array copies", _jbyte_array_copy_ctr ); | |
| 1981 if( _jshort_array_copy_ctr ) tty->print_cr("%5d short array copies", _jshort_array_copy_ctr ); | |
| 1982 if( _jint_array_copy_ctr ) tty->print_cr("%5d int array copies", _jint_array_copy_ctr ); | |
| 1983 if( _jlong_array_copy_ctr ) tty->print_cr("%5d long array copies", _jlong_array_copy_ctr ); | |
| 1984 if( _oop_array_copy_ctr ) tty->print_cr("%5d oop array copies", _oop_array_copy_ctr ); | |
| 1985 if( _checkcast_array_copy_ctr ) tty->print_cr("%5d checkcast array copies", _checkcast_array_copy_ctr ); | |
| 1986 if( _unsafe_array_copy_ctr ) tty->print_cr("%5d unsafe array copies", _unsafe_array_copy_ctr ); | |
| 1987 if( _generic_array_copy_ctr ) tty->print_cr("%5d generic array copies", _generic_array_copy_ctr ); | |
| 1988 if( _slow_array_copy_ctr ) tty->print_cr("%5d slow array copies", _slow_array_copy_ctr ); | |
| 1989 if( _find_handler_ctr ) tty->print_cr("%5d find exception handler", _find_handler_ctr ); | |
| 1990 if( _rethrow_ctr ) tty->print_cr("%5d rethrow handler", _rethrow_ctr ); | |
| 1991 | |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
1992 AdapterHandlerLibrary::print_statistics(); |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
1993 |
| 0 | 1994 if (xtty != NULL) xtty->tail("statistics"); |
| 1995 } | |
| 1996 | |
| 1997 inline double percent(int x, int y) { | |
| 1998 return 100.0 * x / MAX2(y, 1); | |
| 1999 } | |
| 2000 | |
| 2001 class MethodArityHistogram { | |
| 2002 public: | |
| 2003 enum { MAX_ARITY = 256 }; | |
| 2004 private: | |
| 2005 static int _arity_histogram[MAX_ARITY]; // histogram of #args | |
| 2006 static int _size_histogram[MAX_ARITY]; // histogram of arg size in words | |
| 2007 static int _max_arity; // max. arity seen | |
| 2008 static int _max_size; // max. arg size seen | |
| 2009 | |
| 2010 static void add_method_to_histogram(nmethod* nm) { | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
2011 Method* m = nm->method(); |
| 0 | 2012 ArgumentCount args(m->signature()); |
| 2013 int arity = args.size() + (m->is_static() ? 0 : 1); | |
| 2014 int argsize = m->size_of_parameters(); | |
| 2015 arity = MIN2(arity, MAX_ARITY-1); | |
| 2016 argsize = MIN2(argsize, MAX_ARITY-1); | |
| 2017 int count = nm->method()->compiled_invocation_count(); | |
| 2018 _arity_histogram[arity] += count; | |
| 2019 _size_histogram[argsize] += count; | |
| 2020 _max_arity = MAX2(_max_arity, arity); | |
| 2021 _max_size = MAX2(_max_size, argsize); | |
| 2022 } | |
| 2023 | |
| 2024 void print_histogram_helper(int n, int* histo, const char* name) { | |
| 2025 const int N = MIN2(5, n); | |
| 2026 tty->print_cr("\nHistogram of call arity (incl. rcvr, calls to compiled methods only):"); | |
| 2027 double sum = 0; | |
| 2028 double weighted_sum = 0; | |
| 2029 int i; | |
| 2030 for (i = 0; i <= n; i++) { sum += histo[i]; weighted_sum += i*histo[i]; } | |
| 2031 double rest = sum; | |
| 2032 double percent = sum / 100; | |
| 2033 for (i = 0; i <= N; i++) { | |
| 2034 rest -= histo[i]; | |
| 2035 tty->print_cr("%4d: %7d (%5.1f%%)", i, histo[i], histo[i] / percent); | |
| 2036 } | |
| 2037 tty->print_cr("rest: %7d (%5.1f%%))", (int)rest, rest / percent); | |
| 2038 tty->print_cr("(avg. %s = %3.1f, max = %d)", name, weighted_sum / sum, n); | |
| 2039 } | |
| 2040 | |
| 2041 void print_histogram() { | |
| 2042 tty->print_cr("\nHistogram of call arity (incl. rcvr, calls to compiled methods only):"); | |
| 2043 print_histogram_helper(_max_arity, _arity_histogram, "arity"); | |
| 2044 tty->print_cr("\nSame for parameter size (in words):"); | |
| 2045 print_histogram_helper(_max_size, _size_histogram, "size"); | |
| 2046 tty->cr(); | |
| 2047 } | |
| 2048 | |
| 2049 public: | |
| 2050 MethodArityHistogram() { | |
| 2051 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
| 2052 _max_arity = _max_size = 0; | |
| 2053 for (int i = 0; i < MAX_ARITY; i++) _arity_histogram[i] = _size_histogram [i] = 0; | |
| 2054 CodeCache::nmethods_do(add_method_to_histogram); | |
| 2055 print_histogram(); | |
| 2056 } | |
| 2057 }; | |
| 2058 | |
| 2059 int MethodArityHistogram::_arity_histogram[MethodArityHistogram::MAX_ARITY]; | |
| 2060 int MethodArityHistogram::_size_histogram[MethodArityHistogram::MAX_ARITY]; | |
| 2061 int MethodArityHistogram::_max_arity; | |
| 2062 int MethodArityHistogram::_max_size; | |
| 2063 | |
| 2064 void SharedRuntime::print_call_statistics(int comp_total) { | |
| 2065 tty->print_cr("Calls from compiled code:"); | |
| 2066 int total = _nof_normal_calls + _nof_interface_calls + _nof_static_calls; | |
| 2067 int mono_c = _nof_normal_calls - _nof_optimized_calls - _nof_megamorphic_calls; | |
| 2068 int mono_i = _nof_interface_calls - _nof_optimized_interface_calls - _nof_megamorphic_interface_calls; | |
| 2069 tty->print_cr("\t%9d (%4.1f%%) total non-inlined ", total, percent(total, total)); | |
| 2070 tty->print_cr("\t%9d (%4.1f%%) virtual calls ", _nof_normal_calls, percent(_nof_normal_calls, total)); | |
| 2071 tty->print_cr("\t %9d (%3.0f%%) inlined ", _nof_inlined_calls, percent(_nof_inlined_calls, _nof_normal_calls)); | |
| 2072 tty->print_cr("\t %9d (%3.0f%%) optimized ", _nof_optimized_calls, percent(_nof_optimized_calls, _nof_normal_calls)); | |
| 2073 tty->print_cr("\t %9d (%3.0f%%) monomorphic ", mono_c, percent(mono_c, _nof_normal_calls)); | |
| 2074 tty->print_cr("\t %9d (%3.0f%%) megamorphic ", _nof_megamorphic_calls, percent(_nof_megamorphic_calls, _nof_normal_calls)); | |
| 2075 tty->print_cr("\t%9d (%4.1f%%) interface calls ", _nof_interface_calls, percent(_nof_interface_calls, total)); | |
| 2076 tty->print_cr("\t %9d (%3.0f%%) inlined ", _nof_inlined_interface_calls, percent(_nof_inlined_interface_calls, _nof_interface_calls)); | |
| 2077 tty->print_cr("\t %9d (%3.0f%%) optimized ", _nof_optimized_interface_calls, percent(_nof_optimized_interface_calls, _nof_interface_calls)); | |
| 2078 tty->print_cr("\t %9d (%3.0f%%) monomorphic ", mono_i, percent(mono_i, _nof_interface_calls)); | |
| 2079 tty->print_cr("\t %9d (%3.0f%%) megamorphic ", _nof_megamorphic_interface_calls, percent(_nof_megamorphic_interface_calls, _nof_interface_calls)); | |
| 2080 tty->print_cr("\t%9d (%4.1f%%) static/special calls", _nof_static_calls, percent(_nof_static_calls, total)); | |
| 2081 tty->print_cr("\t %9d (%3.0f%%) inlined ", _nof_inlined_static_calls, percent(_nof_inlined_static_calls, _nof_static_calls)); | |
| 2082 tty->cr(); | |
| 2083 tty->print_cr("Note 1: counter updates are not MT-safe."); | |
| 2084 tty->print_cr("Note 2: %% in major categories are relative to total non-inlined calls;"); | |
| 2085 tty->print_cr(" %% in nested categories are relative to their category"); | |
| 2086 tty->print_cr(" (and thus add up to more than 100%% with inlining)"); | |
| 2087 tty->cr(); | |
| 2088 | |
| 2089 MethodArityHistogram h; | |
| 2090 } | |
| 2091 #endif | |
| 2092 | |
| 2093 | |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2094 // A simple wrapper class around the calling convention information |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2095 // that allows sharing of adapters for the same calling convention. |
| 6197 | 2096 class AdapterFingerPrint : public CHeapObj<mtCode> { |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2097 private: |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2098 enum { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2099 _basic_type_bits = 4, |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2100 _basic_type_mask = right_n_bits(_basic_type_bits), |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2101 _basic_types_per_int = BitsPerInt / _basic_type_bits, |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2102 _compact_int_count = 3 |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2103 }; |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2104 // TO DO: Consider integrating this with a more global scheme for compressing signatures. |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2105 // For now, 4 bits per components (plus T_VOID gaps after double/long) is not excessive. |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2106 |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2107 union { |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2108 int _compact[_compact_int_count]; |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2109 int* _fingerprint; |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2110 } _value; |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2111 int _length; // A negative length indicates the fingerprint is in the compact form, |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2112 // Otherwise _value._fingerprint is the array. |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2113 |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2114 // Remap BasicTypes that are handled equivalently by the adapters. |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2115 // These are correct for the current system but someday it might be |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2116 // necessary to make this mapping platform dependent. |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2117 static int adapter_encoding(BasicType in) { |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2118 switch(in) { |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2119 case T_BOOLEAN: |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2120 case T_BYTE: |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2121 case T_SHORT: |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2122 case T_CHAR: |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2123 // There are all promoted to T_INT in the calling convention |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2124 return T_INT; |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2125 |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2126 case T_OBJECT: |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2127 case T_ARRAY: |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2128 // In other words, we assume that any register good enough for |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2129 // an int or long is good enough for a managed pointer. |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2130 #ifdef _LP64 |
| 1506 | 2131 return T_LONG; |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2132 #else |
| 1506 | 2133 return T_INT; |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2134 #endif |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2135 |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2136 case T_INT: |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2137 case T_LONG: |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2138 case T_FLOAT: |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2139 case T_DOUBLE: |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2140 case T_VOID: |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2141 return in; |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2142 |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2143 default: |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2144 ShouldNotReachHere(); |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2145 return T_CONFLICT; |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2146 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2147 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2148 |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2149 public: |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2150 AdapterFingerPrint(int total_args_passed, BasicType* sig_bt) { |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2151 // The fingerprint is based on the BasicType signature encoded |
|
3841
0f34fdee809e
7071427: AdapterFingerPrint can hold 8 entries per int
never
parents:
3451
diff
changeset
|
2152 // into an array of ints with eight entries per int. |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2153 int* ptr; |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2154 int len = (total_args_passed + (_basic_types_per_int-1)) / _basic_types_per_int; |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2155 if (len <= _compact_int_count) { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2156 assert(_compact_int_count == 3, "else change next line"); |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2157 _value._compact[0] = _value._compact[1] = _value._compact[2] = 0; |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2158 // Storing the signature encoded as signed chars hits about 98% |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2159 // of the time. |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2160 _length = -len; |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2161 ptr = _value._compact; |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2162 } else { |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2163 _length = len; |
| 6197 | 2164 _value._fingerprint = NEW_C_HEAP_ARRAY(int, _length, mtCode); |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2165 ptr = _value._fingerprint; |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2166 } |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2167 |
|
3841
0f34fdee809e
7071427: AdapterFingerPrint can hold 8 entries per int
never
parents:
3451
diff
changeset
|
2168 // Now pack the BasicTypes with 8 per int |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2169 int sig_index = 0; |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2170 for (int index = 0; index < len; index++) { |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2171 int value = 0; |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2172 for (int byte = 0; byte < _basic_types_per_int; byte++) { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2173 int bt = ((sig_index < total_args_passed) |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2174 ? adapter_encoding(sig_bt[sig_index++]) |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2175 : 0); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2176 assert((bt & _basic_type_mask) == bt, "must fit in 4 bits"); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2177 value = (value << _basic_type_bits) | bt; |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2178 } |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2179 ptr[index] = value; |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2180 } |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2181 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2182 |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2183 ~AdapterFingerPrint() { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2184 if (_length > 0) { |
| 6197 | 2185 FREE_C_HEAP_ARRAY(int, _value._fingerprint, mtCode); |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2186 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2187 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2188 |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2189 int value(int index) { |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2190 if (_length < 0) { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2191 return _value._compact[index]; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2192 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2193 return _value._fingerprint[index]; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2194 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2195 int length() { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2196 if (_length < 0) return -_length; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2197 return _length; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2198 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2199 |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2200 bool is_compact() { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2201 return _length <= 0; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2202 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2203 |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2204 unsigned int compute_hash() { |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2205 int hash = 0; |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2206 for (int i = 0; i < length(); i++) { |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2207 int v = value(i); |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2208 hash = (hash << 8) ^ v ^ (hash >> 5); |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2209 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2210 return (unsigned int)hash; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2211 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2212 |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2213 const char* as_string() { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2214 stringStream st; |
|
3841
0f34fdee809e
7071427: AdapterFingerPrint can hold 8 entries per int
never
parents:
3451
diff
changeset
|
2215 st.print("0x"); |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2216 for (int i = 0; i < length(); i++) { |
|
3841
0f34fdee809e
7071427: AdapterFingerPrint can hold 8 entries per int
never
parents:
3451
diff
changeset
|
2217 st.print("%08x", value(i)); |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2218 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2219 return st.as_string(); |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2220 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2221 |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2222 bool equals(AdapterFingerPrint* other) { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2223 if (other->_length != _length) { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2224 return false; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2225 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2226 if (_length < 0) { |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2227 assert(_compact_int_count == 3, "else change next line"); |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2228 return _value._compact[0] == other->_value._compact[0] && |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2229 _value._compact[1] == other->_value._compact[1] && |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2230 _value._compact[2] == other->_value._compact[2]; |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2231 } else { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2232 for (int i = 0; i < _length; i++) { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2233 if (_value._fingerprint[i] != other->_value._fingerprint[i]) { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2234 return false; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2235 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2236 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2237 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2238 return true; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2239 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2240 }; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2241 |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2242 |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2243 // A hashtable mapping from AdapterFingerPrints to AdapterHandlerEntries |
| 6197 | 2244 class AdapterHandlerTable : public BasicHashtable<mtCode> { |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2245 friend class AdapterHandlerTableIterator; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2246 |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2247 private: |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2248 |
|
1263
e7b1cc79bd25
6926697: "optimized" VM build failed: The type "AdapterHandlerTableIterator" is incomplete
kvn
parents:
1257
diff
changeset
|
2249 #ifndef PRODUCT |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2250 static int _lookups; // number of calls to lookup |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2251 static int _buckets; // number of buckets checked |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2252 static int _equals; // number of buckets checked with matching hash |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2253 static int _hits; // number of successful lookups |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2254 static int _compact; // number of equals calls with compact signature |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2255 #endif |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2256 |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2257 AdapterHandlerEntry* bucket(int i) { |
| 6197 | 2258 return (AdapterHandlerEntry*)BasicHashtable<mtCode>::bucket(i); |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2259 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2260 |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2261 public: |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2262 AdapterHandlerTable() |
| 6197 | 2263 : BasicHashtable<mtCode>(293, sizeof(AdapterHandlerEntry)) { } |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2264 |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2265 // Create a new entry suitable for insertion in the table |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2266 AdapterHandlerEntry* new_entry(AdapterFingerPrint* fingerprint, address i2c_entry, address c2i_entry, address c2i_unverified_entry) { |
| 6197 | 2267 AdapterHandlerEntry* entry = (AdapterHandlerEntry*)BasicHashtable<mtCode>::new_entry(fingerprint->compute_hash()); |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2268 entry->init(fingerprint, i2c_entry, c2i_entry, c2i_unverified_entry); |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2269 return entry; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2270 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2271 |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2272 // Insert an entry into the table |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2273 void add(AdapterHandlerEntry* entry) { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2274 int index = hash_to_index(entry->hash()); |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2275 add_entry(index, entry); |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2276 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2277 |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2278 void free_entry(AdapterHandlerEntry* entry) { |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2279 entry->deallocate(); |
| 6197 | 2280 BasicHashtable<mtCode>::free_entry(entry); |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2281 } |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2282 |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2283 // Find a entry with the same fingerprint if it exists |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2284 AdapterHandlerEntry* lookup(int total_args_passed, BasicType* sig_bt) { |
|
1263
e7b1cc79bd25
6926697: "optimized" VM build failed: The type "AdapterHandlerTableIterator" is incomplete
kvn
parents:
1257
diff
changeset
|
2285 NOT_PRODUCT(_lookups++); |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2286 AdapterFingerPrint fp(total_args_passed, sig_bt); |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2287 unsigned int hash = fp.compute_hash(); |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2288 int index = hash_to_index(hash); |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2289 for (AdapterHandlerEntry* e = bucket(index); e != NULL; e = e->next()) { |
|
1263
e7b1cc79bd25
6926697: "optimized" VM build failed: The type "AdapterHandlerTableIterator" is incomplete
kvn
parents:
1257
diff
changeset
|
2290 NOT_PRODUCT(_buckets++); |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2291 if (e->hash() == hash) { |
|
1263
e7b1cc79bd25
6926697: "optimized" VM build failed: The type "AdapterHandlerTableIterator" is incomplete
kvn
parents:
1257
diff
changeset
|
2292 NOT_PRODUCT(_equals++); |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2293 if (fp.equals(e->fingerprint())) { |
|
1263
e7b1cc79bd25
6926697: "optimized" VM build failed: The type "AdapterHandlerTableIterator" is incomplete
kvn
parents:
1257
diff
changeset
|
2294 #ifndef PRODUCT |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2295 if (fp.is_compact()) _compact++; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2296 _hits++; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2297 #endif |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2298 return e; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2299 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2300 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2301 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2302 return NULL; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2303 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2304 |
|
1263
e7b1cc79bd25
6926697: "optimized" VM build failed: The type "AdapterHandlerTableIterator" is incomplete
kvn
parents:
1257
diff
changeset
|
2305 #ifndef PRODUCT |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2306 void print_statistics() { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2307 ResourceMark rm; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2308 int longest = 0; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2309 int empty = 0; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2310 int total = 0; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2311 int nonempty = 0; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2312 for (int index = 0; index < table_size(); index++) { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2313 int count = 0; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2314 for (AdapterHandlerEntry* e = bucket(index); e != NULL; e = e->next()) { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2315 count++; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2316 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2317 if (count != 0) nonempty++; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2318 if (count == 0) empty++; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2319 if (count > longest) longest = count; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2320 total += count; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2321 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2322 tty->print_cr("AdapterHandlerTable: empty %d longest %d total %d average %f", |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2323 empty, longest, total, total / (double)nonempty); |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2324 tty->print_cr("AdapterHandlerTable: lookups %d buckets %d equals %d hits %d compact %d", |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2325 _lookups, _buckets, _equals, _hits, _compact); |
|
1263
e7b1cc79bd25
6926697: "optimized" VM build failed: The type "AdapterHandlerTableIterator" is incomplete
kvn
parents:
1257
diff
changeset
|
2326 } |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2327 #endif |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2328 }; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2329 |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2330 |
|
1263
e7b1cc79bd25
6926697: "optimized" VM build failed: The type "AdapterHandlerTableIterator" is incomplete
kvn
parents:
1257
diff
changeset
|
2331 #ifndef PRODUCT |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2332 |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2333 int AdapterHandlerTable::_lookups; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2334 int AdapterHandlerTable::_buckets; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2335 int AdapterHandlerTable::_equals; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2336 int AdapterHandlerTable::_hits; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2337 int AdapterHandlerTable::_compact; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2338 |
|
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
2339 #endif |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
2340 |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2341 class AdapterHandlerTableIterator : public StackObj { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2342 private: |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2343 AdapterHandlerTable* _table; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2344 int _index; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2345 AdapterHandlerEntry* _current; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2346 |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2347 void scan() { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2348 while (_index < _table->table_size()) { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2349 AdapterHandlerEntry* a = _table->bucket(_index); |
| 1564 | 2350 _index++; |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2351 if (a != NULL) { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2352 _current = a; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2353 return; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2354 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2355 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2356 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2357 |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2358 public: |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2359 AdapterHandlerTableIterator(AdapterHandlerTable* table): _table(table), _index(0), _current(NULL) { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2360 scan(); |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2361 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2362 bool has_next() { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2363 return _current != NULL; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2364 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2365 AdapterHandlerEntry* next() { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2366 if (_current != NULL) { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2367 AdapterHandlerEntry* result = _current; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2368 _current = _current->next(); |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2369 if (_current == NULL) scan(); |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2370 return result; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2371 } else { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2372 return NULL; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2373 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2374 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2375 }; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2376 |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2377 |
| 0 | 2378 // --------------------------------------------------------------------------- |
| 2379 // Implementation of AdapterHandlerLibrary | |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2380 AdapterHandlerTable* AdapterHandlerLibrary::_adapters = NULL; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2381 AdapterHandlerEntry* AdapterHandlerLibrary::_abstract_method_handler = NULL; |
| 0 | 2382 const int AdapterHandlerLibrary_size = 16*K; |
|
742
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2383 BufferBlob* AdapterHandlerLibrary::_buffer = NULL; |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2384 |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2385 BufferBlob* AdapterHandlerLibrary::buffer_blob() { |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2386 // Should be called only when AdapterHandlerLibrary_lock is active. |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2387 if (_buffer == NULL) // Initialize lazily |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2388 _buffer = BufferBlob::create("adapters", AdapterHandlerLibrary_size); |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2389 return _buffer; |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2390 } |
| 0 | 2391 |
| 2392 void AdapterHandlerLibrary::initialize() { | |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2393 if (_adapters != NULL) return; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2394 _adapters = new AdapterHandlerTable(); |
| 0 | 2395 |
| 2396 // Create a special handler for abstract methods. Abstract methods | |
| 2397 // are never compiled so an i2c entry is somewhat meaningless, but | |
| 2398 // fill it in with something appropriate just in case. Pass handle | |
| 2399 // wrong method for the c2i transitions. | |
| 2400 address wrong_method = SharedRuntime::get_handle_wrong_method_stub(); | |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2401 _abstract_method_handler = AdapterHandlerLibrary::new_entry(new AdapterFingerPrint(0, NULL), |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2402 StubRoutines::throw_AbstractMethodError_entry(), |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2403 wrong_method, wrong_method); |
| 0 | 2404 } |
| 2405 | |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2406 AdapterHandlerEntry* AdapterHandlerLibrary::new_entry(AdapterFingerPrint* fingerprint, |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2407 address i2c_entry, |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2408 address c2i_entry, |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2409 address c2i_unverified_entry) { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2410 return _adapters->new_entry(fingerprint, i2c_entry, c2i_entry, c2i_unverified_entry); |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2411 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2412 |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2413 AdapterHandlerEntry* AdapterHandlerLibrary::get_adapter(methodHandle method) { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2414 // Use customized signature handler. Need to lock around updates to |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2415 // the AdapterHandlerTable (it is not safe for concurrent readers |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2416 // and a single writer: this could be fixed if it becomes a |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2417 // problem). |
| 0 | 2418 |
| 2419 // Get the address of the ic_miss handlers before we grab the | |
| 2420 // AdapterHandlerLibrary_lock. This fixes bug 6236259 which | |
| 2421 // was caused by the initialization of the stubs happening | |
| 2422 // while we held the lock and then notifying jvmti while | |
| 2423 // holding it. This just forces the initialization to be a little | |
| 2424 // earlier. | |
| 2425 address ic_miss = SharedRuntime::get_ic_miss_stub(); | |
| 2426 assert(ic_miss != NULL, "must have handler"); | |
| 2427 | |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2428 ResourceMark rm; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2429 |
| 1748 | 2430 NOT_PRODUCT(int insts_size); |
|
1299
9eba43136cb5
6934494: JSR 292 MethodHandles adapters should be generated into their own CodeBlob
twisti
parents:
1295
diff
changeset
|
2431 AdapterBlob* B = NULL; |
|
742
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2432 AdapterHandlerEntry* entry = NULL; |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2433 AdapterFingerPrint* fingerprint = NULL; |
| 0 | 2434 { |
| 2435 MutexLocker mu(AdapterHandlerLibrary_lock); | |
| 2436 // make sure data structure is initialized | |
| 2437 initialize(); | |
| 2438 | |
| 2439 if (method->is_abstract()) { | |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2440 return _abstract_method_handler; |
| 0 | 2441 } |
| 2442 | |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2443 // Fill in the signature array, for the calling-convention call. |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2444 int total_args_passed = method->size_of_parameters(); // All args on stack |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2445 |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2446 BasicType* sig_bt = NEW_RESOURCE_ARRAY(BasicType, total_args_passed); |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2447 VMRegPair* regs = NEW_RESOURCE_ARRAY(VMRegPair, total_args_passed); |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2448 int i = 0; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2449 if (!method->is_static()) // Pass in receiver first |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2450 sig_bt[i++] = T_OBJECT; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2451 for (SignatureStream ss(method->signature()); !ss.at_return_type(); ss.next()) { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2452 sig_bt[i++] = ss.type(); // Collect remaining bits of signature |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2453 if (ss.type() == T_LONG || ss.type() == T_DOUBLE) |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2454 sig_bt[i++] = T_VOID; // Longs & doubles take 2 Java slots |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2455 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2456 assert(i == total_args_passed, ""); |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2457 |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2458 // Lookup method signature's fingerprint |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2459 entry = _adapters->lookup(total_args_passed, sig_bt); |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2460 |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2461 #ifdef ASSERT |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2462 AdapterHandlerEntry* shared_entry = NULL; |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2463 if (VerifyAdapterSharing && entry != NULL) { |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2464 shared_entry = entry; |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2465 entry = NULL; |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2466 } |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2467 #endif |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2468 |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2469 if (entry != NULL) { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2470 return entry; |
| 0 | 2471 } |
| 2472 | |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2473 // Get a description of the compiled java calling convention and the largest used (VMReg) stack slot usage |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2474 int comp_args_on_stack = SharedRuntime::java_calling_convention(sig_bt, regs, total_args_passed, false); |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2475 |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2476 // Make a C heap allocated version of the fingerprint to store in the adapter |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2477 fingerprint = new AdapterFingerPrint(total_args_passed, sig_bt); |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2478 |
| 0 | 2479 // Create I2C & C2I handlers |
| 2480 | |
|
1299
9eba43136cb5
6934494: JSR 292 MethodHandles adapters should be generated into their own CodeBlob
twisti
parents:
1295
diff
changeset
|
2481 BufferBlob* buf = buffer_blob(); // the temporary code buffer in CodeCache |
|
742
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2482 if (buf != NULL) { |
| 1748 | 2483 CodeBuffer buffer(buf); |
|
742
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2484 short buffer_locs[20]; |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2485 buffer.insts()->initialize_shared_locs((relocInfo*)buffer_locs, |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2486 sizeof(buffer_locs)/sizeof(relocInfo)); |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2487 MacroAssembler _masm(&buffer); |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2488 |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2489 entry = SharedRuntime::generate_i2c2i_adapters(&_masm, |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2490 total_args_passed, |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2491 comp_args_on_stack, |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2492 sig_bt, |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2493 regs, |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2494 fingerprint); |
| 0 | 2495 |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2496 #ifdef ASSERT |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2497 if (VerifyAdapterSharing) { |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2498 if (shared_entry != NULL) { |
| 1748 | 2499 assert(shared_entry->compare_code(buf->code_begin(), buffer.insts_size(), total_args_passed, sig_bt), |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2500 "code must match"); |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2501 // Release the one just created and return the original |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2502 _adapters->free_entry(entry); |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2503 return shared_entry; |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2504 } else { |
| 1748 | 2505 entry->save_code(buf->code_begin(), buffer.insts_size(), total_args_passed, sig_bt); |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2506 } |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2507 } |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2508 #endif |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2509 |
|
1299
9eba43136cb5
6934494: JSR 292 MethodHandles adapters should be generated into their own CodeBlob
twisti
parents:
1295
diff
changeset
|
2510 B = AdapterBlob::create(&buffer); |
| 1748 | 2511 NOT_PRODUCT(insts_size = buffer.insts_size()); |
|
742
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2512 } |
| 28 | 2513 if (B == NULL) { |
| 2514 // CodeCache is full, disable compilation | |
| 2515 // Ought to log this but compile log is only per compile thread | |
| 2516 // and we're some non descript Java thread. | |
| 1202 | 2517 MutexUnlocker mu(AdapterHandlerLibrary_lock); |
| 2518 CompileBroker::handle_full_code_cache(); | |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2519 return NULL; // Out of CodeCache space |
| 28 | 2520 } |
| 1748 | 2521 entry->relocate(B->content_begin()); |
| 0 | 2522 #ifndef PRODUCT |
| 2523 // debugging suppport | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2524 if (PrintAdapterHandlers || PrintStubCode) { |
|
6796
b31471cdc53e
7200163: add CodeComments functionality to assember stubs
kvn
parents:
6792
diff
changeset
|
2525 ttyLocker ttyl; |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2526 entry->print_adapter_on(tty); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2527 tty->print_cr("i2c argument handler #%d for: %s %s (%d bytes generated)", |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2528 _adapters->number_of_entries(), (method->is_static() ? "static" : "receiver"), |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2529 method->signature()->as_C_string(), insts_size); |
| 0 | 2530 tty->print_cr("c2i argument handler starts at %p",entry->get_c2i_entry()); |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2531 if (Verbose || PrintStubCode) { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2532 address first_pc = entry->base_address(); |
|
6796
b31471cdc53e
7200163: add CodeComments functionality to assember stubs
kvn
parents:
6792
diff
changeset
|
2533 if (first_pc != NULL) { |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2534 Disassembler::decode(first_pc, first_pc + insts_size); |
|
6796
b31471cdc53e
7200163: add CodeComments functionality to assember stubs
kvn
parents:
6792
diff
changeset
|
2535 tty->cr(); |
|
b31471cdc53e
7200163: add CodeComments functionality to assember stubs
kvn
parents:
6792
diff
changeset
|
2536 } |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2537 } |
| 0 | 2538 } |
| 2539 #endif | |
| 2540 | |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2541 _adapters->add(entry); |
| 0 | 2542 } |
| 2543 // Outside of the lock | |
| 2544 if (B != NULL) { | |
| 2545 char blob_id[256]; | |
| 2546 jio_snprintf(blob_id, | |
| 2547 sizeof(blob_id), | |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2548 "%s(%s)@" PTR_FORMAT, |
|
1299
9eba43136cb5
6934494: JSR 292 MethodHandles adapters should be generated into their own CodeBlob
twisti
parents:
1295
diff
changeset
|
2549 B->name(), |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2550 fingerprint->as_string(), |
| 1748 | 2551 B->content_begin()); |
| 2552 Forte::register_stub(blob_id, B->content_begin(), B->content_end()); | |
| 0 | 2553 |
| 2554 if (JvmtiExport::should_post_dynamic_code_generated()) { | |
| 1748 | 2555 JvmtiExport::post_dynamic_code_generated(blob_id, B->content_begin(), B->content_end()); |
| 0 | 2556 } |
| 2557 } | |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2558 return entry; |
| 0 | 2559 } |
| 2560 | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2561 address AdapterHandlerEntry::base_address() { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2562 address base = _i2c_entry; |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2563 if (base == NULL) base = _c2i_entry; |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2564 assert(base <= _c2i_entry || _c2i_entry == NULL, ""); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2565 assert(base <= _c2i_unverified_entry || _c2i_unverified_entry == NULL, ""); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2566 return base; |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2567 } |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2568 |
| 0 | 2569 void AdapterHandlerEntry::relocate(address new_base) { |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2570 address old_base = base_address(); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2571 assert(old_base != NULL, ""); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2572 ptrdiff_t delta = new_base - old_base; |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2573 if (_i2c_entry != NULL) |
| 0 | 2574 _i2c_entry += delta; |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2575 if (_c2i_entry != NULL) |
| 0 | 2576 _c2i_entry += delta; |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2577 if (_c2i_unverified_entry != NULL) |
| 0 | 2578 _c2i_unverified_entry += delta; |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2579 assert(base_address() == new_base, ""); |
| 0 | 2580 } |
| 2581 | |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2582 |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2583 void AdapterHandlerEntry::deallocate() { |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2584 delete _fingerprint; |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2585 #ifdef ASSERT |
| 6197 | 2586 if (_saved_code) FREE_C_HEAP_ARRAY(unsigned char, _saved_code, mtCode); |
| 2587 if (_saved_sig) FREE_C_HEAP_ARRAY(Basictype, _saved_sig, mtCode); | |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2588 #endif |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2589 } |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2590 |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2591 |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2592 #ifdef ASSERT |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2593 // Capture the code before relocation so that it can be compared |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2594 // against other versions. If the code is captured after relocation |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2595 // then relative instructions won't be equivalent. |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2596 void AdapterHandlerEntry::save_code(unsigned char* buffer, int length, int total_args_passed, BasicType* sig_bt) { |
| 6197 | 2597 _saved_code = NEW_C_HEAP_ARRAY(unsigned char, length, mtCode); |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2598 _code_length = length; |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2599 memcpy(_saved_code, buffer, length); |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2600 _total_args_passed = total_args_passed; |
| 6197 | 2601 _saved_sig = NEW_C_HEAP_ARRAY(BasicType, _total_args_passed, mtCode); |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2602 memcpy(_saved_sig, sig_bt, _total_args_passed * sizeof(BasicType)); |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2603 } |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2604 |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2605 |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2606 bool AdapterHandlerEntry::compare_code(unsigned char* buffer, int length, int total_args_passed, BasicType* sig_bt) { |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2607 if (length != _code_length) { |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2608 return false; |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2609 } |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2610 for (int i = 0; i < length; i++) { |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2611 if (buffer[i] != _saved_code[i]) { |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2612 return false; |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2613 } |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2614 } |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2615 return true; |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2616 } |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2617 #endif |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2618 |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2619 |
| 0 | 2620 // Create a native wrapper for this native method. The wrapper converts the |
| 2621 // java compiled calling convention to the native convention, handlizes | |
| 2622 // arguments, and transitions to native. On return from the native we transition | |
| 2623 // back to java blocking if a safepoint is in progress. | |
|
2405
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2321
diff
changeset
|
2624 nmethod *AdapterHandlerLibrary::create_native_wrapper(methodHandle method, int compile_id) { |
| 0 | 2625 ResourceMark rm; |
| 2626 nmethod* nm = NULL; | |
| 2627 | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2628 assert(method->is_native(), "must be native"); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2629 assert(method->is_method_handle_intrinsic() || |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2630 method->has_native_function(), "must have something valid to call!"); |
| 0 | 2631 |
| 2632 { | |
| 2633 // perform the work while holding the lock, but perform any printing outside the lock | |
| 2634 MutexLocker mu(AdapterHandlerLibrary_lock); | |
| 2635 // See if somebody beat us to it | |
| 2636 nm = method->code(); | |
| 2637 if (nm) { | |
| 2638 return nm; | |
| 2639 } | |
| 2640 | |
|
742
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2641 ResourceMark rm; |
| 0 | 2642 |
|
742
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2643 BufferBlob* buf = buffer_blob(); // the temporary code buffer in CodeCache |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2644 if (buf != NULL) { |
| 1748 | 2645 CodeBuffer buffer(buf); |
|
742
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2646 double locs_buf[20]; |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2647 buffer.insts()->initialize_shared_locs((relocInfo*)locs_buf, sizeof(locs_buf) / sizeof(relocInfo)); |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2648 MacroAssembler _masm(&buffer); |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2649 |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2650 // Fill in the signature array, for the calling-convention call. |
|
6790
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
2651 const int total_args_passed = method->size_of_parameters(); |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
2652 |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
2653 BasicType* sig_bt = NEW_RESOURCE_ARRAY(BasicType, total_args_passed); |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
2654 VMRegPair* regs = NEW_RESOURCE_ARRAY(VMRegPair, total_args_passed); |
|
742
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2655 int i=0; |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2656 if( !method->is_static() ) // Pass in receiver first |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2657 sig_bt[i++] = T_OBJECT; |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2658 SignatureStream ss(method->signature()); |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2659 for( ; !ss.at_return_type(); ss.next()) { |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2660 sig_bt[i++] = ss.type(); // Collect remaining bits of signature |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2661 if( ss.type() == T_LONG || ss.type() == T_DOUBLE ) |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2662 sig_bt[i++] = T_VOID; // Longs & doubles take 2 Java slots |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2663 } |
|
6790
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
2664 assert(i == total_args_passed, ""); |
|
742
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2665 BasicType ret_type = ss.type(); |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2666 |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2667 // Now get the compiled-Java layout as input (or output) arguments. |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2668 // NOTE: Stubs for compiled entry points of method handle intrinsics |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2669 // are just trampolines so the argument registers must be outgoing ones. |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2670 const bool is_outgoing = method->is_method_handle_intrinsic(); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2671 int comp_args_on_stack = SharedRuntime::java_calling_convention(sig_bt, regs, total_args_passed, is_outgoing); |
|
742
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2672 |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2673 // Generate the compiled-to-native wrapper code |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2674 nm = SharedRuntime::generate_native_wrapper(&_masm, |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2675 method, |
|
2405
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2321
diff
changeset
|
2676 compile_id, |
|
6790
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
2677 sig_bt, |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
2678 regs, |
|
742
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2679 ret_type); |
| 0 | 2680 } |
| 2681 } | |
| 2682 | |
| 2683 // Must unlock before calling set_code | |
|
1728
a62d332029cf
6976372: # assert(_owner == Thread::current()) failed: invariant
never
parents:
1681
diff
changeset
|
2684 |
| 0 | 2685 // Install the generated code. |
| 2686 if (nm != NULL) { | |
|
2405
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2321
diff
changeset
|
2687 if (PrintCompilation) { |
|
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2321
diff
changeset
|
2688 ttyLocker ttyl; |
|
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2321
diff
changeset
|
2689 CompileTask::print_compilation(tty, nm, method->is_static() ? "(static)" : ""); |
|
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2321
diff
changeset
|
2690 } |
| 0 | 2691 method->set_code(method, nm); |
| 2692 nm->post_compiled_method_load_event(); | |
| 2693 } else { | |
| 2694 // CodeCache is full, disable compilation | |
| 1202 | 2695 CompileBroker::handle_full_code_cache(); |
| 0 | 2696 } |
| 2697 return nm; | |
| 2698 } | |
| 2699 | |
|
4873
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4872
diff
changeset
|
2700 JRT_ENTRY_NO_ASYNC(void, SharedRuntime::block_for_jni_critical(JavaThread* thread)) |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4872
diff
changeset
|
2701 assert(thread == JavaThread::current(), "must be"); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4872
diff
changeset
|
2702 // The code is about to enter a JNI lazy critical native method and |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4872
diff
changeset
|
2703 // _needs_gc is true, so if this thread is already in a critical |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4872
diff
changeset
|
2704 // section then just return, otherwise this thread should block |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4872
diff
changeset
|
2705 // until needs_gc has been cleared. |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4872
diff
changeset
|
2706 if (thread->in_critical()) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4872
diff
changeset
|
2707 return; |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4872
diff
changeset
|
2708 } |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4872
diff
changeset
|
2709 // Lock and unlock a critical section to give the system a chance to block |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4872
diff
changeset
|
2710 GC_locker::lock_critical(thread); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4872
diff
changeset
|
2711 GC_locker::unlock_critical(thread); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4872
diff
changeset
|
2712 JRT_END |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4872
diff
changeset
|
2713 |
|
116
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2714 #ifdef HAVE_DTRACE_H |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2715 // Create a dtrace nmethod for this method. The wrapper converts the |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2716 // java compiled calling convention to the native convention, makes a dummy call |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2717 // (actually nops for the size of the call instruction, which become a trap if |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2718 // probe is enabled). The returns to the caller. Since this all looks like a |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2719 // leaf no thread transition is needed. |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2720 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2721 nmethod *AdapterHandlerLibrary::create_dtrace_nmethod(methodHandle method) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2722 ResourceMark rm; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2723 nmethod* nm = NULL; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2724 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2725 if (PrintCompilation) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2726 ttyLocker ttyl; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2727 tty->print("--- n%s "); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2728 method->print_short_name(tty); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2729 if (method->is_static()) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2730 tty->print(" (static)"); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2731 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2732 tty->cr(); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2733 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2734 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2735 { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2736 // perform the work while holding the lock, but perform any printing |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2737 // outside the lock |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2738 MutexLocker mu(AdapterHandlerLibrary_lock); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2739 // See if somebody beat us to it |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2740 nm = method->code(); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2741 if (nm) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2742 return nm; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2743 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2744 |
|
742
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2745 ResourceMark rm; |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2746 |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2747 BufferBlob* buf = buffer_blob(); // the temporary code buffer in CodeCache |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2748 if (buf != NULL) { |
| 1748 | 2749 CodeBuffer buffer(buf); |
|
742
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2750 // Need a few relocation entries |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2751 double locs_buf[20]; |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2752 buffer.insts()->initialize_shared_locs( |
|
116
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2753 (relocInfo*)locs_buf, sizeof(locs_buf) / sizeof(relocInfo)); |
|
742
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2754 MacroAssembler _masm(&buffer); |
|
116
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2755 |
|
742
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2756 // Generate the compiled-to-native wrapper code |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2757 nm = SharedRuntime::generate_dtrace_nmethod(&_masm, method); |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2758 } |
|
116
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2759 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2760 return nm; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2761 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2762 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2763 // the dtrace method needs to convert java lang string to utf8 string. |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2764 void SharedRuntime::get_utf(oopDesc* src, address dst) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2765 typeArrayOop jlsValue = java_lang_String::value(src); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2766 int jlsOffset = java_lang_String::offset(src); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2767 int jlsLen = java_lang_String::length(src); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2768 jchar* jlsPos = (jlsLen == 0) ? NULL : |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2769 jlsValue->char_at_addr(jlsOffset); |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6796
diff
changeset
|
2770 assert(TypeArrayKlass::cast(jlsValue->klass())->element_type() == T_CHAR, "compressed string"); |
|
116
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2771 (void) UNICODE::as_utf8(jlsPos, jlsLen, (char *)dst, max_dtrace_string_size); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2772 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2773 #endif // ndef HAVE_DTRACE_H |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2774 |
| 0 | 2775 // ------------------------------------------------------------------------- |
| 2776 // Java-Java calling convention | |
| 2777 // (what you use when Java calls Java) | |
| 2778 | |
| 2779 //------------------------------name_for_receiver---------------------------------- | |
| 2780 // For a given signature, return the VMReg for parameter 0. | |
| 2781 VMReg SharedRuntime::name_for_receiver() { | |
| 2782 VMRegPair regs; | |
| 2783 BasicType sig_bt = T_OBJECT; | |
| 2784 (void) java_calling_convention(&sig_bt, ®s, 1, true); | |
| 2785 // Return argument 0 register. In the LP64 build pointers | |
| 2786 // take 2 registers, but the VM wants only the 'main' name. | |
| 2787 return regs.first(); | |
| 2788 } | |
| 2789 | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
2790 VMRegPair *SharedRuntime::find_callee_arguments(Symbol* sig, bool has_receiver, int* arg_size) { |
| 0 | 2791 // This method is returning a data structure allocating as a |
| 2792 // ResourceObject, so do not put any ResourceMarks in here. | |
| 2793 char *s = sig->as_C_string(); | |
| 2794 int len = (int)strlen(s); | |
| 2795 *s++; len--; // Skip opening paren | |
| 2796 char *t = s+len; | |
| 2797 while( *(--t) != ')' ) ; // Find close paren | |
| 2798 | |
| 2799 BasicType *sig_bt = NEW_RESOURCE_ARRAY( BasicType, 256 ); | |
| 2800 VMRegPair *regs = NEW_RESOURCE_ARRAY( VMRegPair, 256 ); | |
| 2801 int cnt = 0; | |
|
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1135
diff
changeset
|
2802 if (has_receiver) { |
| 0 | 2803 sig_bt[cnt++] = T_OBJECT; // Receiver is argument 0; not in signature |
| 2804 } | |
| 2805 | |
| 2806 while( s < t ) { | |
| 2807 switch( *s++ ) { // Switch on signature character | |
| 2808 case 'B': sig_bt[cnt++] = T_BYTE; break; | |
| 2809 case 'C': sig_bt[cnt++] = T_CHAR; break; | |
| 2810 case 'D': sig_bt[cnt++] = T_DOUBLE; sig_bt[cnt++] = T_VOID; break; | |
| 2811 case 'F': sig_bt[cnt++] = T_FLOAT; break; | |
| 2812 case 'I': sig_bt[cnt++] = T_INT; break; | |
| 2813 case 'J': sig_bt[cnt++] = T_LONG; sig_bt[cnt++] = T_VOID; break; | |
| 2814 case 'S': sig_bt[cnt++] = T_SHORT; break; | |
| 2815 case 'Z': sig_bt[cnt++] = T_BOOLEAN; break; | |
| 2816 case 'V': sig_bt[cnt++] = T_VOID; break; | |
| 2817 case 'L': // Oop | |
| 2818 while( *s++ != ';' ) ; // Skip signature | |
| 2819 sig_bt[cnt++] = T_OBJECT; | |
| 2820 break; | |
| 2821 case '[': { // Array | |
| 2822 do { // Skip optional size | |
| 2823 while( *s >= '0' && *s <= '9' ) s++; | |
| 2824 } while( *s++ == '[' ); // Nested arrays? | |
| 2825 // Skip element type | |
| 2826 if( s[-1] == 'L' ) | |
| 2827 while( *s++ != ';' ) ; // Skip signature | |
| 2828 sig_bt[cnt++] = T_ARRAY; | |
| 2829 break; | |
| 2830 } | |
| 2831 default : ShouldNotReachHere(); | |
| 2832 } | |
| 2833 } | |
| 2834 assert( cnt < 256, "grow table size" ); | |
| 2835 | |
| 2836 int comp_args_on_stack; | |
| 2837 comp_args_on_stack = java_calling_convention(sig_bt, regs, cnt, true); | |
| 2838 | |
| 2839 // the calling convention doesn't count out_preserve_stack_slots so | |
| 2840 // we must add that in to get "true" stack offsets. | |
| 2841 | |
| 2842 if (comp_args_on_stack) { | |
| 2843 for (int i = 0; i < cnt; i++) { | |
| 2844 VMReg reg1 = regs[i].first(); | |
| 2845 if( reg1->is_stack()) { | |
| 2846 // Yuck | |
| 2847 reg1 = reg1->bias(out_preserve_stack_slots()); | |
| 2848 } | |
| 2849 VMReg reg2 = regs[i].second(); | |
| 2850 if( reg2->is_stack()) { | |
| 2851 // Yuck | |
| 2852 reg2 = reg2->bias(out_preserve_stack_slots()); | |
| 2853 } | |
| 2854 regs[i].set_pair(reg2, reg1); | |
| 2855 } | |
| 2856 } | |
| 2857 | |
| 2858 // results | |
| 2859 *arg_size = cnt; | |
| 2860 return regs; | |
| 2861 } | |
| 2862 | |
| 2863 // OSR Migration Code | |
| 2864 // | |
| 2865 // This code is used convert interpreter frames into compiled frames. It is | |
| 2866 // called from very start of a compiled OSR nmethod. A temp array is | |
| 2867 // allocated to hold the interesting bits of the interpreter frame. All | |
| 2868 // active locks are inflated to allow them to move. The displaced headers and | |
| 2869 // active interpeter locals are copied into the temp buffer. Then we return | |
| 2870 // back to the compiled code. The compiled code then pops the current | |
| 2871 // interpreter frame off the stack and pushes a new compiled frame. Then it | |
| 2872 // copies the interpreter locals and displaced headers where it wants. | |
| 2873 // Finally it calls back to free the temp buffer. | |
| 2874 // | |
| 2875 // All of this is done NOT at any Safepoint, nor is any safepoint or GC allowed. | |
| 2876 | |
| 2877 JRT_LEAF(intptr_t*, SharedRuntime::OSR_migration_begin( JavaThread *thread) ) | |
| 2878 | |
| 2879 // | |
| 2880 // This code is dependent on the memory layout of the interpreter local | |
| 2881 // array and the monitors. On all of our platforms the layout is identical | |
| 2882 // so this code is shared. If some platform lays the their arrays out | |
| 2883 // differently then this code could move to platform specific code or | |
| 2884 // the code here could be modified to copy items one at a time using | |
| 2885 // frame accessor methods and be platform independent. | |
| 2886 | |
| 2887 frame fr = thread->last_frame(); | |
| 2888 assert( fr.is_interpreted_frame(), "" ); | |
| 2889 assert( fr.interpreter_frame_expression_stack_size()==0, "only handle empty stacks" ); | |
| 2890 | |
| 2891 // Figure out how many monitors are active. | |
| 2892 int active_monitor_count = 0; | |
| 2893 for( BasicObjectLock *kptr = fr.interpreter_frame_monitor_end(); | |
| 2894 kptr < fr.interpreter_frame_monitor_begin(); | |
| 2895 kptr = fr.next_monitor_in_interpreter_frame(kptr) ) { | |
| 2896 if( kptr->obj() != NULL ) active_monitor_count++; | |
| 2897 } | |
| 2898 | |
| 2899 // QQQ we could place number of active monitors in the array so that compiled code | |
| 2900 // could double check it. | |
| 2901 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
2902 Method* moop = fr.interpreter_frame_method(); |
| 0 | 2903 int max_locals = moop->max_locals(); |
| 2904 // Allocate temp buffer, 1 word per local & 2 per active monitor | |
| 2905 int buf_size_words = max_locals + active_monitor_count*2; | |
| 6197 | 2906 intptr_t *buf = NEW_C_HEAP_ARRAY(intptr_t,buf_size_words, mtCode); |
| 0 | 2907 |
| 2908 // Copy the locals. Order is preserved so that loading of longs works. | |
| 2909 // Since there's no GC I can copy the oops blindly. | |
| 2910 assert( sizeof(HeapWord)==sizeof(intptr_t), "fix this code"); | |
| 1506 | 2911 Copy::disjoint_words((HeapWord*)fr.interpreter_frame_local_at(max_locals-1), |
| 0 | 2912 (HeapWord*)&buf[0], |
| 2913 max_locals); | |
| 2914 | |
| 2915 // Inflate locks. Copy the displaced headers. Be careful, there can be holes. | |
| 2916 int i = max_locals; | |
| 2917 for( BasicObjectLock *kptr2 = fr.interpreter_frame_monitor_end(); | |
| 2918 kptr2 < fr.interpreter_frame_monitor_begin(); | |
| 2919 kptr2 = fr.next_monitor_in_interpreter_frame(kptr2) ) { | |
| 2920 if( kptr2->obj() != NULL) { // Avoid 'holes' in the monitor array | |
| 2921 BasicLock *lock = kptr2->lock(); | |
| 2922 // Inflate so the displaced header becomes position-independent | |
| 2923 if (lock->displaced_header()->is_unlocked()) | |
| 2924 ObjectSynchronizer::inflate_helper(kptr2->obj()); | |
| 2925 // Now the displaced header is free to move | |
| 2926 buf[i++] = (intptr_t)lock->displaced_header(); | |
| 2927 buf[i++] = (intptr_t)kptr2->obj(); | |
| 2928 } | |
| 2929 } | |
| 2930 assert( i - max_locals == active_monitor_count*2, "found the expected number of monitors" ); | |
| 2931 | |
| 2932 return buf; | |
| 2933 JRT_END | |
| 2934 | |
| 2935 JRT_LEAF(void, SharedRuntime::OSR_migration_end( intptr_t* buf) ) | |
| 6197 | 2936 FREE_C_HEAP_ARRAY(intptr_t,buf, mtCode); |
| 0 | 2937 JRT_END |
| 2938 | |
| 2939 bool AdapterHandlerLibrary::contains(CodeBlob* b) { | |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2940 AdapterHandlerTableIterator iter(_adapters); |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2941 while (iter.has_next()) { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2942 AdapterHandlerEntry* a = iter.next(); |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2943 if ( b == CodeCache::find_blob(a->get_i2c_entry()) ) return true; |
| 0 | 2944 } |
| 2945 return false; | |
| 2946 } | |
| 2947 | |
|
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
2948 void AdapterHandlerLibrary::print_handler_on(outputStream* st, CodeBlob* b) { |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2949 AdapterHandlerTableIterator iter(_adapters); |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2950 while (iter.has_next()) { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2951 AdapterHandlerEntry* a = iter.next(); |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2952 if (b == CodeCache::find_blob(a->get_i2c_entry())) { |
|
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
2953 st->print("Adapter for signature: "); |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2954 a->print_adapter_on(tty); |
| 0 | 2955 return; |
| 2956 } | |
| 2957 } | |
| 2958 assert(false, "Should have found handler"); | |
| 2959 } | |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2960 |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2961 void AdapterHandlerEntry::print_adapter_on(outputStream* st) const { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2962 st->print_cr("AHE@" INTPTR_FORMAT ": %s i2c: " INTPTR_FORMAT " c2i: " INTPTR_FORMAT " c2iUV: " INTPTR_FORMAT, |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2963 (intptr_t) this, fingerprint()->as_string(), |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2964 get_i2c_entry(), get_c2i_entry(), get_c2i_unverified_entry()); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2965 |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2966 } |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2967 |
|
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
2968 #ifndef PRODUCT |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
2969 |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2970 void AdapterHandlerLibrary::print_statistics() { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2971 _adapters->print_statistics(); |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2972 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2973 |
| 0 | 2974 #endif /* PRODUCT */ |