Mercurial > hg > truffle
annotate src/share/vm/code/nmethod.cpp @ 17387:0e120f2819ce
Merged
author | Christian Wirth <christian.wirth@oracle.com> |
---|---|
date | Thu, 09 Oct 2014 13:19:31 +0200 |
parents | ded2f1abfcda |
children | 52b4284cb496 |
rev | line source |
---|---|
0 | 1 /* |
12146
9758d9f36299
8021954: VM SIGSEGV during classloading on MacOS; hs_err_pid file produced
coleenp
parents:
12080
diff
changeset
|
2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1538
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1538
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:
1538
diff
changeset
|
21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #include "precompiled.hpp" |
26 #include "code/codeCache.hpp" | |
27 #include "code/compiledIC.hpp" | |
3852
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3458
diff
changeset
|
28 #include "code/dependencies.hpp" |
1972 | 29 #include "code/nmethod.hpp" |
30 #include "code/scopeDesc.hpp" | |
31 #include "compiler/abstractCompiler.hpp" | |
2405
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2376
diff
changeset
|
32 #include "compiler/compileBroker.hpp" |
1972 | 33 #include "compiler/compileLog.hpp" |
34 #include "compiler/compilerOracle.hpp" | |
35 #include "compiler/disassembler.hpp" | |
36 #include "interpreter/bytecode.hpp" | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
37 #include "oops/methodData.hpp" |
1972 | 38 #include "prims/jvmtiRedefineClassesTrace.hpp" |
2195
bf8517f4e4d0
6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
2177
diff
changeset
|
39 #include "prims/jvmtiImpl.hpp" |
1972 | 40 #include "runtime/sharedRuntime.hpp" |
41 #include "runtime/sweeper.hpp" | |
42 #include "utilities/dtrace.hpp" | |
43 #include "utilities/events.hpp" | |
44 #include "utilities/xmlstream.hpp" | |
45 #ifdef SHARK | |
46 #include "shark/sharkCompiler.hpp" | |
47 #endif | |
9707 | 48 #ifdef GRAAL |
49 #include "graal/graalJavaAccess.hpp" | |
50 #endif | |
0 | 51 |
52 #ifdef DTRACE_ENABLED | |
53 | |
54 // Only bother with this argument setup if dtrace is available | |
55 | |
14909 | 56 #ifndef USDT2 |
57 HS_DTRACE_PROBE_DECL8(hotspot, compiled__method__load, | |
58 const char*, int, const char*, int, const char*, int, void*, size_t); | |
59 | |
60 HS_DTRACE_PROBE_DECL6(hotspot, compiled__method__unload, | |
61 char*, int, char*, int, char*, int); | |
62 | |
63 #define DTRACE_METHOD_UNLOAD_PROBE(method) \ | |
64 { \ | |
65 Method* m = (method); \ | |
66 if (m != NULL) { \ | |
67 Symbol* klass_name = m->klass_name(); \ | |
68 Symbol* name = m->name(); \ | |
69 Symbol* signature = m->signature(); \ | |
70 HS_DTRACE_PROBE6(hotspot, compiled__method__unload, \ | |
71 klass_name->bytes(), klass_name->utf8_length(), \ | |
72 name->bytes(), name->utf8_length(), \ | |
73 signature->bytes(), signature->utf8_length()); \ | |
74 } \ | |
75 } | |
76 #else /* USDT2 */ | |
4006 | 77 #define DTRACE_METHOD_UNLOAD_PROBE(method) \ |
78 { \ | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
79 Method* m = (method); \ |
4006 | 80 if (m != NULL) { \ |
81 Symbol* klass_name = m->klass_name(); \ | |
82 Symbol* name = m->name(); \ | |
83 Symbol* signature = m->signature(); \ | |
84 HOTSPOT_COMPILED_METHOD_UNLOAD( \ | |
85 (char *) klass_name->bytes(), klass_name->utf8_length(), \ | |
86 (char *) name->bytes(), name->utf8_length(), \ | |
87 (char *) signature->bytes(), signature->utf8_length()); \ | |
88 } \ | |
89 } | |
14909 | 90 #endif /* USDT2 */ |
0 | 91 |
92 #else // ndef DTRACE_ENABLED | |
93 | |
94 #define DTRACE_METHOD_UNLOAD_PROBE(method) | |
95 | |
96 #endif | |
97 | |
98 bool nmethod::is_compiled_by_c1() const { | |
12161
e1fbb86b47e4
8016277: Crash in nmethod::is_compiled_by_c1() on x86
roland
parents:
12080
diff
changeset
|
99 if (compiler() == NULL) { |
e1fbb86b47e4
8016277: Crash in nmethod::is_compiled_by_c1() on x86
roland
parents:
12080
diff
changeset
|
100 return false; |
e1fbb86b47e4
8016277: Crash in nmethod::is_compiled_by_c1() on x86
roland
parents:
12080
diff
changeset
|
101 } |
0 | 102 return compiler()->is_c1(); |
103 } | |
9707 | 104 bool nmethod::is_compiled_by_graal() const { |
105 if (compiler() == NULL || method() == NULL) return false; // can happen during debug printing | |
106 if (is_native_method()) return false; | |
107 return compiler()->is_graal(); | |
108 } | |
0 | 109 bool nmethod::is_compiled_by_c2() const { |
12161
e1fbb86b47e4
8016277: Crash in nmethod::is_compiled_by_c1() on x86
roland
parents:
12080
diff
changeset
|
110 if (compiler() == NULL) { |
e1fbb86b47e4
8016277: Crash in nmethod::is_compiled_by_c1() on x86
roland
parents:
12080
diff
changeset
|
111 return false; |
e1fbb86b47e4
8016277: Crash in nmethod::is_compiled_by_c1() on x86
roland
parents:
12080
diff
changeset
|
112 } |
0 | 113 return compiler()->is_c2(); |
114 } | |
1692 | 115 bool nmethod::is_compiled_by_shark() const { |
12161
e1fbb86b47e4
8016277: Crash in nmethod::is_compiled_by_c1() on x86
roland
parents:
12080
diff
changeset
|
116 if (compiler() == NULL) { |
e1fbb86b47e4
8016277: Crash in nmethod::is_compiled_by_c1() on x86
roland
parents:
12080
diff
changeset
|
117 return false; |
e1fbb86b47e4
8016277: Crash in nmethod::is_compiled_by_c1() on x86
roland
parents:
12080
diff
changeset
|
118 } |
1692 | 119 return compiler()->is_shark(); |
120 } | |
0 | 121 |
122 | |
123 | |
124 //--------------------------------------------------------------------------------- | |
125 // NMethod statistics | |
126 // They are printed under various flags, including: | |
127 // PrintC1Statistics, PrintOptoStatistics, LogVMOutput, and LogCompilation. | |
128 // (In the latter two cases, they like other stats are printed to the log only.) | |
129 | |
130 // These variables are put into one block to reduce relocations | |
131 // and make it simpler to print from the debugger. | |
12675
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
132 struct java_nmethod_stats_struct { |
0 | 133 int nmethod_count; |
134 int total_size; | |
135 int relocation_size; | |
1762
0878d7bae69f
6961697: move nmethod constants section before instruction section
twisti
parents:
1748
diff
changeset
|
136 int consts_size; |
1748 | 137 int insts_size; |
0 | 138 int stub_size; |
139 int scopes_data_size; | |
140 int scopes_pcs_size; | |
141 int dependencies_size; | |
142 int handler_table_size; | |
143 int nul_chk_table_size; | |
144 int oops_size; | |
15434
7461c3bf278a
Improve PrintNMethodStatistics output: add Shark compiler and metadata size. Properly record nmethods for native wrapper.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
15164
diff
changeset
|
145 int metadata_size; |
0 | 146 |
147 void note_nmethod(nmethod* nm) { | |
148 nmethod_count += 1; | |
149 total_size += nm->size(); | |
150 relocation_size += nm->relocation_size(); | |
1762
0878d7bae69f
6961697: move nmethod constants section before instruction section
twisti
parents:
1748
diff
changeset
|
151 consts_size += nm->consts_size(); |
1748 | 152 insts_size += nm->insts_size(); |
0 | 153 stub_size += nm->stub_size(); |
1563
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
154 oops_size += nm->oops_size(); |
15434
7461c3bf278a
Improve PrintNMethodStatistics output: add Shark compiler and metadata size. Properly record nmethods for native wrapper.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
15164
diff
changeset
|
155 metadata_size += nm->metadata_size(); |
0 | 156 scopes_data_size += nm->scopes_data_size(); |
157 scopes_pcs_size += nm->scopes_pcs_size(); | |
158 dependencies_size += nm->dependencies_size(); | |
159 handler_table_size += nm->handler_table_size(); | |
160 nul_chk_table_size += nm->nul_chk_table_size(); | |
161 } | |
12675
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
162 void print_nmethod_stats(const char* name) { |
0 | 163 if (nmethod_count == 0) return; |
12675
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
164 tty->print_cr("Statistics for %d bytecoded nmethods for %s:", nmethod_count, name); |
0 | 165 if (total_size != 0) tty->print_cr(" total in heap = %d", total_size); |
15434
7461c3bf278a
Improve PrintNMethodStatistics output: add Shark compiler and metadata size. Properly record nmethods for native wrapper.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
15164
diff
changeset
|
166 if (nmethod_count != 0) tty->print_cr(" header = %d", nmethod_count * sizeof(nmethod)); |
0 | 167 if (relocation_size != 0) tty->print_cr(" relocation = %d", relocation_size); |
1762
0878d7bae69f
6961697: move nmethod constants section before instruction section
twisti
parents:
1748
diff
changeset
|
168 if (consts_size != 0) tty->print_cr(" constants = %d", consts_size); |
1748 | 169 if (insts_size != 0) tty->print_cr(" main code = %d", insts_size); |
0 | 170 if (stub_size != 0) tty->print_cr(" stub code = %d", stub_size); |
1563
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
171 if (oops_size != 0) tty->print_cr(" oops = %d", oops_size); |
15434
7461c3bf278a
Improve PrintNMethodStatistics output: add Shark compiler and metadata size. Properly record nmethods for native wrapper.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
15164
diff
changeset
|
172 if (metadata_size != 0) tty->print_cr(" metadata = %d", metadata_size); |
0 | 173 if (scopes_data_size != 0) tty->print_cr(" scopes data = %d", scopes_data_size); |
174 if (scopes_pcs_size != 0) tty->print_cr(" scopes pcs = %d", scopes_pcs_size); | |
175 if (dependencies_size != 0) tty->print_cr(" dependencies = %d", dependencies_size); | |
176 if (handler_table_size != 0) tty->print_cr(" handler table = %d", handler_table_size); | |
177 if (nul_chk_table_size != 0) tty->print_cr(" nul chk table = %d", nul_chk_table_size); | |
178 } | |
12675
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
179 }; |
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
180 |
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
181 struct native_nmethod_stats_struct { |
0 | 182 int native_nmethod_count; |
183 int native_total_size; | |
184 int native_relocation_size; | |
1748 | 185 int native_insts_size; |
0 | 186 int native_oops_size; |
15434
7461c3bf278a
Improve PrintNMethodStatistics output: add Shark compiler and metadata size. Properly record nmethods for native wrapper.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
15164
diff
changeset
|
187 int native_metadata_size; |
0 | 188 void note_native_nmethod(nmethod* nm) { |
189 native_nmethod_count += 1; | |
190 native_total_size += nm->size(); | |
191 native_relocation_size += nm->relocation_size(); | |
1748 | 192 native_insts_size += nm->insts_size(); |
0 | 193 native_oops_size += nm->oops_size(); |
15434
7461c3bf278a
Improve PrintNMethodStatistics output: add Shark compiler and metadata size. Properly record nmethods for native wrapper.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
15164
diff
changeset
|
194 native_metadata_size += nm->metadata_size(); |
0 | 195 } |
196 void print_native_nmethod_stats() { | |
197 if (native_nmethod_count == 0) return; | |
198 tty->print_cr("Statistics for %d native nmethods:", native_nmethod_count); | |
199 if (native_total_size != 0) tty->print_cr(" N. total size = %d", native_total_size); | |
200 if (native_relocation_size != 0) tty->print_cr(" N. relocation = %d", native_relocation_size); | |
1748 | 201 if (native_insts_size != 0) tty->print_cr(" N. main code = %d", native_insts_size); |
0 | 202 if (native_oops_size != 0) tty->print_cr(" N. oops = %d", native_oops_size); |
15434
7461c3bf278a
Improve PrintNMethodStatistics output: add Shark compiler and metadata size. Properly record nmethods for native wrapper.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
15164
diff
changeset
|
203 if (native_metadata_size != 0) tty->print_cr(" N. metadata = %d", native_metadata_size); |
0 | 204 } |
12675
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
205 }; |
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
206 |
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
207 struct pc_nmethod_stats_struct { |
0 | 208 int pc_desc_resets; // number of resets (= number of caches) |
209 int pc_desc_queries; // queries to nmethod::find_pc_desc | |
210 int pc_desc_approx; // number of those which have approximate true | |
2339
3d5a546351ef
7023931: PcDescCache::find_pc_desc should not write _last_pc_desc
phh
parents:
2321
diff
changeset
|
211 int pc_desc_repeats; // number of _pc_descs[0] hits |
0 | 212 int pc_desc_hits; // number of LRU cache hits |
213 int pc_desc_tests; // total number of PcDesc examinations | |
214 int pc_desc_searches; // total number of quasi-binary search steps | |
215 int pc_desc_adds; // number of LUR cache insertions | |
216 | |
217 void print_pc_stats() { | |
218 tty->print_cr("PcDesc Statistics: %d queries, %.2f comparisons per query", | |
219 pc_desc_queries, | |
220 (double)(pc_desc_tests + pc_desc_searches) | |
221 / pc_desc_queries); | |
222 tty->print_cr(" caches=%d queries=%d/%d, hits=%d+%d, tests=%d+%d, adds=%d", | |
223 pc_desc_resets, | |
224 pc_desc_queries, pc_desc_approx, | |
225 pc_desc_repeats, pc_desc_hits, | |
226 pc_desc_tests, pc_desc_searches, pc_desc_adds); | |
227 } | |
12675
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
228 }; |
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
229 |
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
230 #ifdef COMPILER1 |
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
231 static java_nmethod_stats_struct c1_java_nmethod_stats; |
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
232 #endif |
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
233 #ifdef COMPILER2 |
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
234 static java_nmethod_stats_struct c2_java_nmethod_stats; |
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
235 #endif |
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
236 #ifdef GRAAL |
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
237 static java_nmethod_stats_struct graal_java_nmethod_stats; |
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
238 #endif |
15434
7461c3bf278a
Improve PrintNMethodStatistics output: add Shark compiler and metadata size. Properly record nmethods for native wrapper.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
15164
diff
changeset
|
239 #ifdef SHARK |
7461c3bf278a
Improve PrintNMethodStatistics output: add Shark compiler and metadata size. Properly record nmethods for native wrapper.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
15164
diff
changeset
|
240 static java_nmethod_stats_struct shark_java_nmethod_stats; |
7461c3bf278a
Improve PrintNMethodStatistics output: add Shark compiler and metadata size. Properly record nmethods for native wrapper.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
15164
diff
changeset
|
241 #endif |
12758
ca33948fb804
nmethod.cpp: s/unknwon/unknown/
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12704
diff
changeset
|
242 static java_nmethod_stats_struct unknown_java_nmethod_stats; |
12675
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
243 |
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
244 static native_nmethod_stats_struct native_nmethod_stats; |
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
245 static pc_nmethod_stats_struct pc_nmethod_stats; |
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
246 |
15434
7461c3bf278a
Improve PrintNMethodStatistics output: add Shark compiler and metadata size. Properly record nmethods for native wrapper.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
15164
diff
changeset
|
247 static void note_native_wrapper_nmethod(nmethod* nm) { |
7461c3bf278a
Improve PrintNMethodStatistics output: add Shark compiler and metadata size. Properly record nmethods for native wrapper.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
15164
diff
changeset
|
248 native_nmethod_stats.note_native_nmethod(nm); |
7461c3bf278a
Improve PrintNMethodStatistics output: add Shark compiler and metadata size. Properly record nmethods for native wrapper.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
15164
diff
changeset
|
249 } |
7461c3bf278a
Improve PrintNMethodStatistics output: add Shark compiler and metadata size. Properly record nmethods for native wrapper.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
15164
diff
changeset
|
250 |
12675
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
251 static void note_java_nmethod(nmethod* nm) { |
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
252 #ifdef COMPILER1 |
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
253 if (nm->is_compiled_by_c1()) { |
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
254 c1_java_nmethod_stats.note_nmethod(nm); |
12704
0e998f0daddf
Code cache: make sure we collect statistics even if the compiler is not recognized
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12675
diff
changeset
|
255 } else |
12675
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
256 #endif |
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
257 #ifdef COMPILER2 |
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
258 if (nm->is_compiled_by_c2()) { |
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
259 c2_java_nmethod_stats.note_nmethod(nm); |
12704
0e998f0daddf
Code cache: make sure we collect statistics even if the compiler is not recognized
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12675
diff
changeset
|
260 } else |
12675
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
261 #endif |
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
262 #ifdef GRAAL |
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
263 if (nm->is_compiled_by_graal()) { |
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
264 graal_java_nmethod_stats.note_nmethod(nm); |
12704
0e998f0daddf
Code cache: make sure we collect statistics even if the compiler is not recognized
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12675
diff
changeset
|
265 } else |
0e998f0daddf
Code cache: make sure we collect statistics even if the compiler is not recognized
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12675
diff
changeset
|
266 #endif |
15434
7461c3bf278a
Improve PrintNMethodStatistics output: add Shark compiler and metadata size. Properly record nmethods for native wrapper.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
15164
diff
changeset
|
267 #ifdef SHARK |
7461c3bf278a
Improve PrintNMethodStatistics output: add Shark compiler and metadata size. Properly record nmethods for native wrapper.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
15164
diff
changeset
|
268 if (nm->is_compiled_by_shark()) { |
7461c3bf278a
Improve PrintNMethodStatistics output: add Shark compiler and metadata size. Properly record nmethods for native wrapper.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
15164
diff
changeset
|
269 shark_java_nmethod_stats.note_nmethod(nm); |
7461c3bf278a
Improve PrintNMethodStatistics output: add Shark compiler and metadata size. Properly record nmethods for native wrapper.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
15164
diff
changeset
|
270 } else |
7461c3bf278a
Improve PrintNMethodStatistics output: add Shark compiler and metadata size. Properly record nmethods for native wrapper.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
15164
diff
changeset
|
271 #endif |
12704
0e998f0daddf
Code cache: make sure we collect statistics even if the compiler is not recognized
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12675
diff
changeset
|
272 { |
12758
ca33948fb804
nmethod.cpp: s/unknwon/unknown/
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12704
diff
changeset
|
273 unknown_java_nmethod_stats.note_nmethod(nm); |
12675
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
274 } |
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
275 } |
2321
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2195
diff
changeset
|
276 |
0 | 277 //--------------------------------------------------------------------------------- |
278 | |
279 | |
280 ExceptionCache::ExceptionCache(Handle exception, address pc, address handler) { | |
281 assert(pc != NULL, "Must be non null"); | |
282 assert(exception.not_null(), "Must be non null"); | |
283 assert(handler != NULL, "Must be non null"); | |
284 | |
285 _count = 0; | |
286 _exception_type = exception->klass(); | |
287 _next = NULL; | |
288 | |
289 add_address_and_handler(pc,handler); | |
290 } | |
291 | |
292 | |
293 address ExceptionCache::match(Handle exception, address pc) { | |
294 assert(pc != NULL,"Must be non null"); | |
295 assert(exception.not_null(),"Must be non null"); | |
296 if (exception->klass() == exception_type()) { | |
297 return (test_address(pc)); | |
298 } | |
299 | |
300 return NULL; | |
301 } | |
302 | |
303 | |
304 bool ExceptionCache::match_exception_with_space(Handle exception) { | |
305 assert(exception.not_null(),"Must be non null"); | |
306 if (exception->klass() == exception_type() && count() < cache_size) { | |
307 return true; | |
308 } | |
309 return false; | |
310 } | |
311 | |
312 | |
313 address ExceptionCache::test_address(address addr) { | |
314 for (int i=0; i<count(); i++) { | |
315 if (pc_at(i) == addr) { | |
316 return handler_at(i); | |
317 } | |
318 } | |
319 return NULL; | |
320 } | |
321 | |
322 | |
323 bool ExceptionCache::add_address_and_handler(address addr, address handler) { | |
324 if (test_address(addr) == handler) return true; | |
325 if (count() < cache_size) { | |
326 set_pc_at(count(),addr); | |
327 set_handler_at(count(), handler); | |
328 increment_count(); | |
329 return true; | |
330 } | |
331 return false; | |
332 } | |
333 | |
334 | |
335 // private method for handling exception cache | |
336 // These methods are private, and used to manipulate the exception cache | |
337 // directly. | |
338 ExceptionCache* nmethod::exception_cache_entry_for_exception(Handle exception) { | |
339 ExceptionCache* ec = exception_cache(); | |
340 while (ec != NULL) { | |
341 if (ec->match_exception_with_space(exception)) { | |
342 return ec; | |
343 } | |
344 ec = ec->next(); | |
345 } | |
346 return NULL; | |
347 } | |
348 | |
349 | |
350 //----------------------------------------------------------------------------- | |
351 | |
352 | |
353 // Helper used by both find_pc_desc methods. | |
354 static inline bool match_desc(PcDesc* pc, int pc_offset, bool approximate) { | |
12675
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
355 NOT_PRODUCT(++pc_nmethod_stats.pc_desc_tests); |
0 | 356 if (!approximate) |
357 return pc->pc_offset() == pc_offset; | |
358 else | |
359 return (pc-1)->pc_offset() < pc_offset && pc_offset <= pc->pc_offset(); | |
360 } | |
361 | |
362 void PcDescCache::reset_to(PcDesc* initial_pc_desc) { | |
363 if (initial_pc_desc == NULL) { | |
2339
3d5a546351ef
7023931: PcDescCache::find_pc_desc should not write _last_pc_desc
phh
parents:
2321
diff
changeset
|
364 _pc_descs[0] = NULL; // native method; no PcDescs at all |
0 | 365 return; |
366 } | |
12675
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
367 NOT_PRODUCT(++pc_nmethod_stats.pc_desc_resets); |
0 | 368 // reset the cache by filling it with benign (non-null) values |
369 assert(initial_pc_desc->pc_offset() < 0, "must be sentinel"); | |
370 for (int i = 0; i < cache_size; i++) | |
371 _pc_descs[i] = initial_pc_desc; | |
372 } | |
373 | |
374 PcDesc* PcDescCache::find_pc_desc(int pc_offset, bool approximate) { | |
12675
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
375 NOT_PRODUCT(++pc_nmethod_stats.pc_desc_queries); |
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
376 NOT_PRODUCT(if (approximate) ++pc_nmethod_stats.pc_desc_approx); |
2339
3d5a546351ef
7023931: PcDescCache::find_pc_desc should not write _last_pc_desc
phh
parents:
2321
diff
changeset
|
377 |
3d5a546351ef
7023931: PcDescCache::find_pc_desc should not write _last_pc_desc
phh
parents:
2321
diff
changeset
|
378 // Note: one might think that caching the most recently |
3d5a546351ef
7023931: PcDescCache::find_pc_desc should not write _last_pc_desc
phh
parents:
2321
diff
changeset
|
379 // read value separately would be a win, but one would be |
3d5a546351ef
7023931: PcDescCache::find_pc_desc should not write _last_pc_desc
phh
parents:
2321
diff
changeset
|
380 // wrong. When many threads are updating it, the cache |
3d5a546351ef
7023931: PcDescCache::find_pc_desc should not write _last_pc_desc
phh
parents:
2321
diff
changeset
|
381 // line it's in would bounce between caches, negating |
3d5a546351ef
7023931: PcDescCache::find_pc_desc should not write _last_pc_desc
phh
parents:
2321
diff
changeset
|
382 // any benefit. |
0 | 383 |
384 // In order to prevent race conditions do not load cache elements | |
385 // repeatedly, but use a local copy: | |
386 PcDesc* res; | |
387 | |
2339
3d5a546351ef
7023931: PcDescCache::find_pc_desc should not write _last_pc_desc
phh
parents:
2321
diff
changeset
|
388 // Step one: Check the most recently added value. |
3d5a546351ef
7023931: PcDescCache::find_pc_desc should not write _last_pc_desc
phh
parents:
2321
diff
changeset
|
389 res = _pc_descs[0]; |
3d5a546351ef
7023931: PcDescCache::find_pc_desc should not write _last_pc_desc
phh
parents:
2321
diff
changeset
|
390 if (res == NULL) return NULL; // native method; no PcDescs at all |
0 | 391 if (match_desc(res, pc_offset, approximate)) { |
12675
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
392 NOT_PRODUCT(++pc_nmethod_stats.pc_desc_repeats); |
0 | 393 return res; |
394 } | |
395 | |
2339
3d5a546351ef
7023931: PcDescCache::find_pc_desc should not write _last_pc_desc
phh
parents:
2321
diff
changeset
|
396 // Step two: Check the rest of the LRU cache. |
3d5a546351ef
7023931: PcDescCache::find_pc_desc should not write _last_pc_desc
phh
parents:
2321
diff
changeset
|
397 for (int i = 1; i < cache_size; ++i) { |
0 | 398 res = _pc_descs[i]; |
2339
3d5a546351ef
7023931: PcDescCache::find_pc_desc should not write _last_pc_desc
phh
parents:
2321
diff
changeset
|
399 if (res->pc_offset() < 0) break; // optimization: skip empty cache |
0 | 400 if (match_desc(res, pc_offset, approximate)) { |
12675
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
401 NOT_PRODUCT(++pc_nmethod_stats.pc_desc_hits); |
0 | 402 return res; |
403 } | |
404 } | |
405 | |
406 // Report failure. | |
407 return NULL; | |
408 } | |
409 | |
410 void PcDescCache::add_pc_desc(PcDesc* pc_desc) { | |
12675
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
411 NOT_PRODUCT(++pc_nmethod_stats.pc_desc_adds); |
2339
3d5a546351ef
7023931: PcDescCache::find_pc_desc should not write _last_pc_desc
phh
parents:
2321
diff
changeset
|
412 // Update the LRU cache by shifting pc_desc forward. |
0 | 413 for (int i = 0; i < cache_size; i++) { |
414 PcDesc* next = _pc_descs[i]; | |
415 _pc_descs[i] = pc_desc; | |
416 pc_desc = next; | |
417 } | |
418 } | |
419 | |
420 // adjust pcs_size so that it is a multiple of both oopSize and | |
421 // sizeof(PcDesc) (assumes that if sizeof(PcDesc) is not a multiple | |
422 // of oopSize, then 2*sizeof(PcDesc) is) | |
2339
3d5a546351ef
7023931: PcDescCache::find_pc_desc should not write _last_pc_desc
phh
parents:
2321
diff
changeset
|
423 static int adjust_pcs_size(int pcs_size) { |
0 | 424 int nsize = round_to(pcs_size, oopSize); |
425 if ((nsize % sizeof(PcDesc)) != 0) { | |
426 nsize = pcs_size + sizeof(PcDesc); | |
427 } | |
2339
3d5a546351ef
7023931: PcDescCache::find_pc_desc should not write _last_pc_desc
phh
parents:
2321
diff
changeset
|
428 assert((nsize % oopSize) == 0, "correct alignment"); |
0 | 429 return nsize; |
430 } | |
431 | |
432 //----------------------------------------------------------------------------- | |
433 | |
434 | |
435 void nmethod::add_exception_cache_entry(ExceptionCache* new_entry) { | |
436 assert(ExceptionCache_lock->owned_by_self(),"Must hold the ExceptionCache_lock"); | |
437 assert(new_entry != NULL,"Must be non null"); | |
438 assert(new_entry->next() == NULL, "Must be null"); | |
439 | |
440 if (exception_cache() != NULL) { | |
441 new_entry->set_next(exception_cache()); | |
442 } | |
443 set_exception_cache(new_entry); | |
444 } | |
445 | |
446 void nmethod::remove_from_exception_cache(ExceptionCache* ec) { | |
447 ExceptionCache* prev = NULL; | |
448 ExceptionCache* curr = exception_cache(); | |
449 assert(curr != NULL, "nothing to remove"); | |
450 // find the previous and next entry of ec | |
451 while (curr != ec) { | |
452 prev = curr; | |
453 curr = curr->next(); | |
454 assert(curr != NULL, "ExceptionCache not found"); | |
455 } | |
456 // now: curr == ec | |
457 ExceptionCache* next = curr->next(); | |
458 if (prev == NULL) { | |
459 set_exception_cache(next); | |
460 } else { | |
461 prev->set_next(next); | |
462 } | |
463 delete curr; | |
464 } | |
465 | |
466 | |
467 // public method for accessing the exception cache | |
468 // These are the public access methods. | |
469 address nmethod::handler_for_exception_and_pc(Handle exception, address pc) { | |
470 // We never grab a lock to read the exception cache, so we may | |
471 // have false negatives. This is okay, as it can only happen during | |
472 // the first few exception lookups for a given nmethod. | |
473 ExceptionCache* ec = exception_cache(); | |
474 while (ec != NULL) { | |
475 address ret_val; | |
476 if ((ret_val = ec->match(exception,pc)) != NULL) { | |
477 return ret_val; | |
478 } | |
479 ec = ec->next(); | |
480 } | |
481 return NULL; | |
482 } | |
483 | |
484 | |
485 void nmethod::add_handler_for_exception_and_pc(Handle exception, address pc, address handler) { | |
486 // There are potential race conditions during exception cache updates, so we | |
487 // must own the ExceptionCache_lock before doing ANY modifications. Because | |
605 | 488 // we don't lock during reads, it is possible to have several threads attempt |
0 | 489 // to update the cache with the same data. We need to check for already inserted |
490 // copies of the current data before adding it. | |
491 | |
492 MutexLocker ml(ExceptionCache_lock); | |
493 ExceptionCache* target_entry = exception_cache_entry_for_exception(exception); | |
494 | |
495 if (target_entry == NULL || !target_entry->add_address_and_handler(pc,handler)) { | |
496 target_entry = new ExceptionCache(exception,pc,handler); | |
497 add_exception_cache_entry(target_entry); | |
498 } | |
499 } | |
500 | |
501 | |
502 //-------------end of code for ExceptionCache-------------- | |
503 | |
504 | |
505 int nmethod::total_size() const { | |
506 return | |
1762
0878d7bae69f
6961697: move nmethod constants section before instruction section
twisti
parents:
1748
diff
changeset
|
507 consts_size() + |
1748 | 508 insts_size() + |
0 | 509 stub_size() + |
510 scopes_data_size() + | |
511 scopes_pcs_size() + | |
512 handler_table_size() + | |
513 nul_chk_table_size(); | |
514 } | |
515 | |
516 const char* nmethod::compile_kind() const { | |
517 if (is_osr_method()) return "osr"; | |
1109
032260830071
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
994
diff
changeset
|
518 if (method() != NULL && is_native_method()) return "c2n"; |
0 | 519 return NULL; |
520 } | |
521 | |
1644
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
522 // Fill in default values for various flag fields |
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
523 void nmethod::init_defaults() { |
13441 | 524 _state = in_use; |
1644
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
525 _marked_for_reclamation = 0; |
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
526 _has_flushed_dependencies = 0; |
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
527 _has_unsafe_access = 0; |
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
528 _has_method_handle_invokes = 0; |
4873
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4872
diff
changeset
|
529 _lazy_critical_native = 0; |
6792
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
530 _has_wide_vectors = 0; |
1644
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
531 _marked_for_deoptimization = 0; |
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
532 _lock_count = 0; |
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
533 _stack_traversal_mark = 0; |
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
534 _unload_reported = false; // jvmti state |
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
535 |
1726 | 536 #ifdef ASSERT |
537 _oops_are_stale = false; | |
538 #endif | |
539 | |
1644
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
540 _oops_do_mark_link = NULL; |
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
541 _jmethod_id = NULL; |
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
542 _osr_link = NULL; |
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
543 _scavenge_root_link = NULL; |
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
544 _scavenge_root_state = 0; |
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
545 _compiler = NULL; |
9707 | 546 #ifdef GRAAL |
547 _graal_installed_code = NULL; | |
13641
5a9afbf72714
Add a speculation oop for uncommon trap deoptimization. Save it in the SpeculationLog during deoptimization.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
13451
diff
changeset
|
548 _speculation_log = NULL; |
9707 | 549 #endif |
1644
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
550 #ifdef HAVE_DTRACE_H |
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
551 _trap_offset = 0; |
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
552 #endif // def HAVE_DTRACE_H |
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
553 } |
0 | 554 |
555 nmethod* nmethod::new_native_nmethod(methodHandle method, | |
2405
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2376
diff
changeset
|
556 int compile_id, |
0 | 557 CodeBuffer *code_buffer, |
558 int vep_offset, | |
559 int frame_complete, | |
560 int frame_size, | |
561 ByteSize basic_lock_owner_sp_offset, | |
562 ByteSize basic_lock_sp_offset, | |
563 OopMapSet* oop_maps) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
564 code_buffer->finalize_oop_references(method); |
0 | 565 // create nmethod |
566 nmethod* nm = NULL; | |
567 { | |
568 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
569 int native_nmethod_size = allocation_size(code_buffer, sizeof(nmethod)); | |
10114
a7fb14888912
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
8864
diff
changeset
|
570 CodeOffsets offsets; |
a7fb14888912
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
8864
diff
changeset
|
571 offsets.set_value(CodeOffsets::Verified_Entry, vep_offset); |
a7fb14888912
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
8864
diff
changeset
|
572 offsets.set_value(CodeOffsets::Frame_Complete, frame_complete); |
a7fb14888912
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
8864
diff
changeset
|
573 nm = new (native_nmethod_size) nmethod(method(), native_nmethod_size, |
a7fb14888912
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
8864
diff
changeset
|
574 compile_id, &offsets, |
a7fb14888912
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
8864
diff
changeset
|
575 code_buffer, frame_size, |
a7fb14888912
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
8864
diff
changeset
|
576 basic_lock_owner_sp_offset, |
a7fb14888912
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
8864
diff
changeset
|
577 basic_lock_sp_offset, oop_maps); |
15434
7461c3bf278a
Improve PrintNMethodStatistics output: add Shark compiler and metadata size. Properly record nmethods for native wrapper.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
15164
diff
changeset
|
578 if (nm != NULL) note_native_wrapper_nmethod(nm); |
10114
a7fb14888912
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
8864
diff
changeset
|
579 if (PrintAssembly && nm != NULL) { |
a7fb14888912
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
8864
diff
changeset
|
580 Disassembler::decode(nm); |
8864
3c786355ffb4
8009026: [parfait] Null pointer deference in hotspot/src/share/vm/code/nmethod.cpp
morris
parents:
6983
diff
changeset
|
581 } |
0 | 582 } |
583 // verify nmethod | |
584 debug_only(if (nm) nm->verify();) // might block | |
585 | |
586 if (nm != NULL) { | |
587 nm->log_new_nmethod(); | |
588 } | |
589 | |
590 return nm; | |
591 } | |
592 | |
116
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
593 #ifdef HAVE_DTRACE_H |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
594 nmethod* nmethod::new_dtrace_nmethod(methodHandle method, |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
595 CodeBuffer *code_buffer, |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
596 int vep_offset, |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
597 int trap_offset, |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
598 int frame_complete, |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
599 int frame_size) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
600 code_buffer->finalize_oop_references(method); |
116
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
601 // create nmethod |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
602 nmethod* nm = NULL; |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
603 { |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
604 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
605 int nmethod_size = allocation_size(code_buffer, sizeof(nmethod)); |
10114
a7fb14888912
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
8864
diff
changeset
|
606 CodeOffsets offsets; |
a7fb14888912
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
8864
diff
changeset
|
607 offsets.set_value(CodeOffsets::Verified_Entry, vep_offset); |
a7fb14888912
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
8864
diff
changeset
|
608 offsets.set_value(CodeOffsets::Dtrace_trap, trap_offset); |
a7fb14888912
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
8864
diff
changeset
|
609 offsets.set_value(CodeOffsets::Frame_Complete, frame_complete); |
116
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
610 |
10114
a7fb14888912
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
8864
diff
changeset
|
611 nm = new (nmethod_size) nmethod(method(), nmethod_size, |
a7fb14888912
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
8864
diff
changeset
|
612 &offsets, code_buffer, frame_size); |
116
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
613 |
14733
b10e42998d01
nmethod: fix -XX:+PrintNMethodStatistics
Bernhard Urban <bernhard.urban@jku.at>
parents:
14726
diff
changeset
|
614 if (nm != NULL) note_java_nmethod(nm); |
10114
a7fb14888912
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
8864
diff
changeset
|
615 if (PrintAssembly && nm != NULL) { |
a7fb14888912
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
8864
diff
changeset
|
616 Disassembler::decode(nm); |
8864
3c786355ffb4
8009026: [parfait] Null pointer deference in hotspot/src/share/vm/code/nmethod.cpp
morris
parents:
6983
diff
changeset
|
617 } |
116
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
618 } |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
619 // verify nmethod |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
620 debug_only(if (nm) nm->verify();) // might block |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
621 |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
622 if (nm != NULL) { |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
623 nm->log_new_nmethod(); |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
624 } |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
625 |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
626 return nm; |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
627 } |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
628 |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
629 #endif // def HAVE_DTRACE_H |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
630 |
0 | 631 nmethod* nmethod::new_nmethod(methodHandle method, |
632 int compile_id, | |
633 int entry_bci, | |
634 CodeOffsets* offsets, | |
635 int orig_pc_offset, | |
636 DebugInformationRecorder* debug_info, | |
637 Dependencies* dependencies, | |
638 CodeBuffer* code_buffer, int frame_size, | |
639 OopMapSet* oop_maps, | |
640 ExceptionHandlerTable* handler_table, | |
641 ImplicitExceptionTable* nul_chk_table, | |
642 AbstractCompiler* compiler, | |
643 int comp_level | |
9707 | 644 #ifdef GRAAL |
645 , Handle installed_code, | |
13641
5a9afbf72714
Add a speculation oop for uncommon trap deoptimization. Save it in the SpeculationLog during deoptimization.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
13451
diff
changeset
|
646 Handle speculationLog |
9707 | 647 #endif |
0 | 648 ) |
649 { | |
650 assert(debug_info->oop_recorder() == code_buffer->oop_recorder(), "shared OR"); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
651 code_buffer->finalize_oop_references(method); |
0 | 652 // create nmethod |
653 nmethod* nm = NULL; | |
654 { MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
655 int nmethod_size = | |
656 allocation_size(code_buffer, sizeof(nmethod)) | |
657 + adjust_pcs_size(debug_info->pcs_size()) | |
658 + round_to(dependencies->size_in_bytes() , oopSize) | |
659 + round_to(handler_table->size_in_bytes(), oopSize) | |
660 + round_to(nul_chk_table->size_in_bytes(), oopSize) | |
661 + round_to(debug_info->data_size() , oopSize); | |
10114
a7fb14888912
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
8864
diff
changeset
|
662 nm = new (nmethod_size) |
a7fb14888912
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
8864
diff
changeset
|
663 nmethod(method(), nmethod_size, compile_id, entry_bci, offsets, |
a7fb14888912
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
8864
diff
changeset
|
664 orig_pc_offset, debug_info, dependencies, code_buffer, frame_size, |
a7fb14888912
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
8864
diff
changeset
|
665 oop_maps, |
a7fb14888912
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
8864
diff
changeset
|
666 handler_table, |
a7fb14888912
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
8864
diff
changeset
|
667 nul_chk_table, |
a7fb14888912
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
8864
diff
changeset
|
668 compiler, |
14172
cd22c8dbda4f
Made graph caching compilation local
Doug Simon <doug.simon@oracle.com>
parents:
13641
diff
changeset
|
669 comp_level |
9707 | 670 #ifdef GRAAL |
10408
836a62f43af9
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/
Doug Simon <doug.simon@oracle.com>
diff
changeset
|
671 , installed_code, |
13641
5a9afbf72714
Add a speculation oop for uncommon trap deoptimization. Save it in the SpeculationLog during deoptimization.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
13451
diff
changeset
|
672 speculationLog |
9707 | 673 #endif |
10408
836a62f43af9
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/
Doug Simon <doug.simon@oracle.com>
diff
changeset
|
674 ); |
10114
a7fb14888912
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
8864
diff
changeset
|
675 |
0 | 676 if (nm != NULL) { |
677 // To make dependency checking during class loading fast, record | |
678 // the nmethod dependencies in the classes it is dependent on. | |
679 // This allows the dependency checking code to simply walk the | |
680 // class hierarchy above the loaded class, checking only nmethods | |
681 // which are dependent on those classes. The slow way is to | |
682 // check every nmethod for dependencies which makes it linear in | |
683 // the number of methods compiled. For applications with a lot | |
684 // classes the slow way is too slow. | |
685 for (Dependencies::DepStream deps(nm); deps.next(); ) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
686 Klass* klass = deps.context_type(); |
10114
a7fb14888912
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
8864
diff
changeset
|
687 if (klass == NULL) { |
a7fb14888912
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
8864
diff
changeset
|
688 continue; // ignore things like evol_method |
a7fb14888912
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
8864
diff
changeset
|
689 } |
0 | 690 |
691 // record this nmethod as dependent on this klass | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
692 InstanceKlass::cast(klass)->add_dependent_nmethod(nm); |
0 | 693 } |
14733
b10e42998d01
nmethod: fix -XX:+PrintNMethodStatistics
Bernhard Urban <bernhard.urban@jku.at>
parents:
14726
diff
changeset
|
694 if (nm != NULL) note_java_nmethod(nm); |
14909 | 695 if (PrintAssembly) { |
13071
e2509677809c
8023037: Race between ciEnv::register_method and nmethod::make_not_entrant_or_zombie
vlivanov
parents:
12334
diff
changeset
|
696 Disassembler::decode(nm); |
e2509677809c
8023037: Race between ciEnv::register_method and nmethod::make_not_entrant_or_zombie
vlivanov
parents:
12334
diff
changeset
|
697 } |
10114
a7fb14888912
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
8864
diff
changeset
|
698 } |
0 | 699 } |
13071
e2509677809c
8023037: Race between ciEnv::register_method and nmethod::make_not_entrant_or_zombie
vlivanov
parents:
12334
diff
changeset
|
700 // Do verification and logging outside CodeCache_lock. |
0 | 701 if (nm != NULL) { |
13071
e2509677809c
8023037: Race between ciEnv::register_method and nmethod::make_not_entrant_or_zombie
vlivanov
parents:
12334
diff
changeset
|
702 // Safepoints in nmethod::verify aren't allowed because nm hasn't been installed yet. |
e2509677809c
8023037: Race between ciEnv::register_method and nmethod::make_not_entrant_or_zombie
vlivanov
parents:
12334
diff
changeset
|
703 DEBUG_ONLY(nm->verify();) |
0 | 704 nm->log_new_nmethod(); |
705 } | |
706 return nm; | |
707 } | |
708 | |
709 | |
710 // For native wrappers | |
711 nmethod::nmethod( | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
712 Method* method, |
0 | 713 int nmethod_size, |
2405
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2376
diff
changeset
|
714 int compile_id, |
0 | 715 CodeOffsets* offsets, |
716 CodeBuffer* code_buffer, | |
717 int frame_size, | |
718 ByteSize basic_lock_owner_sp_offset, | |
719 ByteSize basic_lock_sp_offset, | |
720 OopMapSet* oop_maps ) | |
721 : CodeBlob("native nmethod", code_buffer, sizeof(nmethod), | |
722 nmethod_size, offsets->value(CodeOffsets::Frame_Complete), frame_size, oop_maps), | |
2019 | 723 _native_receiver_sp_offset(basic_lock_owner_sp_offset), |
724 _native_basic_lock_sp_offset(basic_lock_sp_offset) | |
0 | 725 { |
726 { | |
727 debug_only(No_Safepoint_Verifier nsv;) | |
728 assert_locked_or_safepoint(CodeCache_lock); | |
729 | |
1644
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
730 init_defaults(); |
0 | 731 _method = method; |
732 _entry_bci = InvocationEntryBci; | |
733 // We have no exception handler or deopt handler make the | |
734 // values something that will never match a pc like the nmethod vtable entry | |
735 _exception_offset = 0; | |
736 _deoptimize_offset = 0; | |
1204 | 737 _deoptimize_mh_offset = 0; |
0 | 738 _orig_pc_offset = 0; |
1644
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
739 |
1748 | 740 _consts_offset = data_offset(); |
0 | 741 _stub_offset = data_offset(); |
1563
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
742 _oops_offset = data_offset(); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
743 _metadata_offset = _oops_offset + round_to(code_buffer->total_oop_size(), oopSize); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
744 _scopes_data_offset = _metadata_offset + round_to(code_buffer->total_metadata_size(), wordSize); |
0 | 745 _scopes_pcs_offset = _scopes_data_offset; |
746 _dependencies_offset = _scopes_pcs_offset; | |
747 _handler_table_offset = _dependencies_offset; | |
748 _nul_chk_table_offset = _handler_table_offset; | |
749 _nmethod_end_offset = _nul_chk_table_offset; | |
2405
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2376
diff
changeset
|
750 _compile_id = compile_id; |
0 | 751 _comp_level = CompLevel_none; |
1748 | 752 _entry_point = code_begin() + offsets->value(CodeOffsets::Entry); |
753 _verified_entry_point = code_begin() + offsets->value(CodeOffsets::Verified_Entry); | |
0 | 754 _osr_entry_point = NULL; |
755 _exception_cache = NULL; | |
756 _pc_desc_cache.reset_to(NULL); | |
12324
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12175
diff
changeset
|
757 _hotness_counter = NMethodSweeper::hotness_counter_reset_val(); |
0 | 758 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
759 code_buffer->copy_values_to(this); |
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2375
diff
changeset
|
760 if (ScavengeRootsInCode && detect_scavenge_root_oops()) { |
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2375
diff
changeset
|
761 CodeCache::add_scavenge_root_nmethod(this); |
12080 | 762 Universe::heap()->register_nmethod(this); |
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2375
diff
changeset
|
763 } |
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
764 debug_only(verify_scavenge_root_oops()); |
0 | 765 CodeCache::commit(this); |
766 } | |
767 | |
768 if (PrintNativeNMethods || PrintDebugInfo || PrintRelocations || PrintDependencies) { | |
769 ttyLocker ttyl; // keep the following output all in one block | |
770 // This output goes directly to the tty, not the compiler log. | |
771 // To enable tools to match it up with the compilation activity, | |
772 // be sure to tag this tty output with the compile ID. | |
773 if (xtty != NULL) { | |
774 xtty->begin_head("print_native_nmethod"); | |
775 xtty->method(_method); | |
776 xtty->stamp(); | |
777 xtty->end_head(" address='" INTPTR_FORMAT "'", (intptr_t) this); | |
778 } | |
779 // print the header part first | |
780 print(); | |
781 // then print the requested information | |
782 if (PrintNativeNMethods) { | |
783 print_code(); | |
6790
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
784 if (oop_maps != NULL) { |
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
785 oop_maps->print(); |
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
786 } |
0 | 787 } |
788 if (PrintRelocations) { | |
789 print_relocations(); | |
790 } | |
791 if (xtty != NULL) { | |
792 xtty->tail("print_native_nmethod"); | |
793 } | |
794 } | |
795 } | |
796 | |
116
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
797 // For dtrace wrappers |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
798 #ifdef HAVE_DTRACE_H |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
799 nmethod::nmethod( |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
800 Method* method, |
116
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
801 int nmethod_size, |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
802 CodeOffsets* offsets, |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
803 CodeBuffer* code_buffer, |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
804 int frame_size) |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
805 : CodeBlob("dtrace nmethod", code_buffer, sizeof(nmethod), |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
806 nmethod_size, offsets->value(CodeOffsets::Frame_Complete), frame_size, NULL), |
2019 | 807 _native_receiver_sp_offset(in_ByteSize(-1)), |
808 _native_basic_lock_sp_offset(in_ByteSize(-1)) | |
116
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
809 { |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
810 { |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
811 debug_only(No_Safepoint_Verifier nsv;) |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
812 assert_locked_or_safepoint(CodeCache_lock); |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
813 |
1644
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
814 init_defaults(); |
116
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
815 _method = method; |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
816 _entry_bci = InvocationEntryBci; |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
817 // We have no exception handler or deopt handler make the |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
818 // values something that will never match a pc like the nmethod vtable entry |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
819 _exception_offset = 0; |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
820 _deoptimize_offset = 0; |
1204 | 821 _deoptimize_mh_offset = 0; |
1378
9f5b60a14736
6939930: exception unwind changes in 6919934 hurts compilation speed
never
parents:
1253
diff
changeset
|
822 _unwind_handler_offset = -1; |
116
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
823 _trap_offset = offsets->value(CodeOffsets::Dtrace_trap); |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
824 _orig_pc_offset = 0; |
1748 | 825 _consts_offset = data_offset(); |
116
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
826 _stub_offset = data_offset(); |
1563
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
827 _oops_offset = data_offset(); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
828 _metadata_offset = _oops_offset + round_to(code_buffer->total_oop_size(), oopSize); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
829 _scopes_data_offset = _metadata_offset + round_to(code_buffer->total_metadata_size(), wordSize); |
116
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
830 _scopes_pcs_offset = _scopes_data_offset; |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
831 _dependencies_offset = _scopes_pcs_offset; |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
832 _handler_table_offset = _dependencies_offset; |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
833 _nul_chk_table_offset = _handler_table_offset; |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
834 _nmethod_end_offset = _nul_chk_table_offset; |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
835 _compile_id = 0; // default |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
836 _comp_level = CompLevel_none; |
1748 | 837 _entry_point = code_begin() + offsets->value(CodeOffsets::Entry); |
838 _verified_entry_point = code_begin() + offsets->value(CodeOffsets::Verified_Entry); | |
116
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
839 _osr_entry_point = NULL; |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
840 _exception_cache = NULL; |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
841 _pc_desc_cache.reset_to(NULL); |
12324
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12175
diff
changeset
|
842 _hotness_counter = NMethodSweeper::hotness_counter_reset_val(); |
116
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
843 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
844 code_buffer->copy_values_to(this); |
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
845 debug_only(verify_scavenge_root_oops()); |
116
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
846 CodeCache::commit(this); |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
847 } |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
848 |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
849 if (PrintNMethods || PrintDebugInfo || PrintRelocations || PrintDependencies) { |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
850 ttyLocker ttyl; // keep the following output all in one block |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
851 // This output goes directly to the tty, not the compiler log. |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
852 // To enable tools to match it up with the compilation activity, |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
853 // be sure to tag this tty output with the compile ID. |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
854 if (xtty != NULL) { |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
855 xtty->begin_head("print_dtrace_nmethod"); |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
856 xtty->method(_method); |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
857 xtty->stamp(); |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
858 xtty->end_head(" address='" INTPTR_FORMAT "'", (intptr_t) this); |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
859 } |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
860 // print the header part first |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
861 print(); |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
862 // then print the requested information |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
863 if (PrintNMethods) { |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
864 print_code(); |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
865 } |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
866 if (PrintRelocations) { |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
867 print_relocations(); |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
868 } |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
869 if (xtty != NULL) { |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
870 xtty->tail("print_dtrace_nmethod"); |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
871 } |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
872 } |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
873 } |
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
874 #endif // def HAVE_DTRACE_H |
0 | 875 |
12146
9758d9f36299
8021954: VM SIGSEGV during classloading on MacOS; hs_err_pid file produced
coleenp
parents:
12080
diff
changeset
|
876 void* nmethod::operator new(size_t size, int nmethod_size) throw() { |
10114
a7fb14888912
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
8864
diff
changeset
|
877 // Not critical, may return null if there is too little continuous memory |
a7fb14888912
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
8864
diff
changeset
|
878 return CodeCache::allocate(nmethod_size); |
0 | 879 } |
880 | |
881 nmethod::nmethod( | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
882 Method* method, |
0 | 883 int nmethod_size, |
884 int compile_id, | |
885 int entry_bci, | |
886 CodeOffsets* offsets, | |
887 int orig_pc_offset, | |
888 DebugInformationRecorder* debug_info, | |
889 Dependencies* dependencies, | |
890 CodeBuffer *code_buffer, | |
891 int frame_size, | |
892 OopMapSet* oop_maps, | |
893 ExceptionHandlerTable* handler_table, | |
894 ImplicitExceptionTable* nul_chk_table, | |
895 AbstractCompiler* compiler, | |
896 int comp_level | |
9707 | 897 #ifdef GRAAL |
898 , Handle installed_code, | |
13641
5a9afbf72714
Add a speculation oop for uncommon trap deoptimization. Save it in the SpeculationLog during deoptimization.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
13451
diff
changeset
|
899 Handle speculation_log |
9707 | 900 #endif |
0 | 901 ) |
902 : CodeBlob("nmethod", code_buffer, sizeof(nmethod), | |
903 nmethod_size, offsets->value(CodeOffsets::Frame_Complete), frame_size, oop_maps), | |
2019 | 904 _native_receiver_sp_offset(in_ByteSize(-1)), |
905 _native_basic_lock_sp_offset(in_ByteSize(-1)) | |
0 | 906 { |
907 assert(debug_info->oop_recorder() == code_buffer->oop_recorder(), "shared OR"); | |
908 { | |
909 debug_only(No_Safepoint_Verifier nsv;) | |
910 assert_locked_or_safepoint(CodeCache_lock); | |
911 | |
1644
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
912 init_defaults(); |
0 | 913 _method = method; |
1644
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
914 _entry_bci = entry_bci; |
0 | 915 _compile_id = compile_id; |
916 _comp_level = comp_level; | |
917 _compiler = compiler; | |
918 _orig_pc_offset = orig_pc_offset; | |
12324
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12175
diff
changeset
|
919 _hotness_counter = NMethodSweeper::hotness_counter_reset_val(); |
1748 | 920 |
921 // Section offsets | |
1762
0878d7bae69f
6961697: move nmethod constants section before instruction section
twisti
parents:
1748
diff
changeset
|
922 _consts_offset = content_offset() + code_buffer->total_offset_of(code_buffer->consts()); |
0878d7bae69f
6961697: move nmethod constants section before instruction section
twisti
parents:
1748
diff
changeset
|
923 _stub_offset = content_offset() + code_buffer->total_offset_of(code_buffer->stubs()); |
0 | 924 |
9707 | 925 #ifdef GRAAL |
926 _graal_installed_code = installed_code(); | |
13641
5a9afbf72714
Add a speculation oop for uncommon trap deoptimization. Save it in the SpeculationLog during deoptimization.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
13451
diff
changeset
|
927 _speculation_log = (instanceOop)speculation_log(); |
9707 | 928 #endif |
929 if (compiler->is_graal()) { | |
930 // Graal might not produce any stub sections | |
931 if (offsets->value(CodeOffsets::Exceptions) != -1) { | |
932 _exception_offset = code_offset() + offsets->value(CodeOffsets::Exceptions); | |
933 } else { | |
934 _exception_offset = -1; | |
935 } | |
936 if (offsets->value(CodeOffsets::Deopt) != -1) { | |
937 _deoptimize_offset = code_offset() + offsets->value(CodeOffsets::Deopt); | |
938 } else { | |
939 _deoptimize_offset = -1; | |
940 } | |
941 if (offsets->value(CodeOffsets::DeoptMH) != -1) { | |
942 _deoptimize_mh_offset = code_offset() + offsets->value(CodeOffsets::DeoptMH); | |
943 } else { | |
944 _deoptimize_mh_offset = -1; | |
945 } | |
1762
0878d7bae69f
6961697: move nmethod constants section before instruction section
twisti
parents:
1748
diff
changeset
|
946 } else { |
9707 | 947 // Exception handler and deopt handler are in the stub section |
948 assert(offsets->value(CodeOffsets::Exceptions) != -1, "must be set"); | |
949 assert(offsets->value(CodeOffsets::Deopt ) != -1, "must be set"); | |
950 | |
951 _exception_offset = _stub_offset + offsets->value(CodeOffsets::Exceptions); | |
952 _deoptimize_offset = _stub_offset + offsets->value(CodeOffsets::Deopt); | |
953 if (offsets->value(CodeOffsets::DeoptMH) != -1) { | |
954 _deoptimize_mh_offset = _stub_offset + offsets->value(CodeOffsets::DeoptMH); | |
955 } else { | |
956 _deoptimize_mh_offset = -1; | |
957 } | |
1762
0878d7bae69f
6961697: move nmethod constants section before instruction section
twisti
parents:
1748
diff
changeset
|
958 } |
1378
9f5b60a14736
6939930: exception unwind changes in 6919934 hurts compilation speed
never
parents:
1253
diff
changeset
|
959 if (offsets->value(CodeOffsets::UnwindHandler) != -1) { |
1748 | 960 _unwind_handler_offset = code_offset() + offsets->value(CodeOffsets::UnwindHandler); |
1378
9f5b60a14736
6939930: exception unwind changes in 6919934 hurts compilation speed
never
parents:
1253
diff
changeset
|
961 } else { |
1748 | 962 _unwind_handler_offset = -1; |
1378
9f5b60a14736
6939930: exception unwind changes in 6919934 hurts compilation speed
never
parents:
1253
diff
changeset
|
963 } |
1748 | 964 |
1563
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
965 _oops_offset = data_offset(); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
966 _metadata_offset = _oops_offset + round_to(code_buffer->total_oop_size(), oopSize); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
967 _scopes_data_offset = _metadata_offset + round_to(code_buffer->total_metadata_size(), wordSize); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
968 |
1563
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
969 _scopes_pcs_offset = _scopes_data_offset + round_to(debug_info->data_size (), oopSize); |
0 | 970 _dependencies_offset = _scopes_pcs_offset + adjust_pcs_size(debug_info->pcs_size()); |
971 _handler_table_offset = _dependencies_offset + round_to(dependencies->size_in_bytes (), oopSize); | |
972 _nul_chk_table_offset = _handler_table_offset + round_to(handler_table->size_in_bytes(), oopSize); | |
973 _nmethod_end_offset = _nul_chk_table_offset + round_to(nul_chk_table->size_in_bytes(), oopSize); | |
974 | |
1748 | 975 _entry_point = code_begin() + offsets->value(CodeOffsets::Entry); |
976 _verified_entry_point = code_begin() + offsets->value(CodeOffsets::Verified_Entry); | |
977 _osr_entry_point = code_begin() + offsets->value(CodeOffsets::OSR_Entry); | |
0 | 978 _exception_cache = NULL; |
979 _pc_desc_cache.reset_to(scopes_pcs_begin()); | |
980 | |
981 // Copy contents of ScopeDescRecorder to nmethod | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
982 code_buffer->copy_values_to(this); |
0 | 983 debug_info->copy_to(this); |
984 dependencies->copy_to(this); | |
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
985 if (ScavengeRootsInCode && detect_scavenge_root_oops()) { |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
986 CodeCache::add_scavenge_root_nmethod(this); |
12080 | 987 Universe::heap()->register_nmethod(this); |
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
988 } |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
989 debug_only(verify_scavenge_root_oops()); |
0 | 990 |
991 CodeCache::commit(this); | |
992 | |
993 // Copy contents of ExceptionHandlerTable to nmethod | |
994 handler_table->copy_to(this); | |
995 nul_chk_table->copy_to(this); | |
996 | |
997 // we use the information of entry points to find out if a method is | |
998 // static or non static | |
10879
d55f24eac4b1
PTX support for Linux
Morris Meyer <morris.meyer@oracle.com>
parents:
10627
diff
changeset
|
999 assert(compiler->is_c2() || compiler->is_graal() || |
0 | 1000 _method->is_static() == (entry_point() == _verified_entry_point), |
1001 " entry points must be same for static methods and vice versa"); | |
1002 } | |
1003 | |
100
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
30
diff
changeset
|
1004 bool printnmethods = PrintNMethods |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
30
diff
changeset
|
1005 || CompilerOracle::should_print(_method) |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
30
diff
changeset
|
1006 || CompilerOracle::has_option_string(_method, "PrintNMethods"); |
0 | 1007 if (printnmethods || PrintDebugInfo || PrintRelocations || PrintDependencies || PrintExceptionHandlers) { |
1008 print_nmethod(printnmethods); | |
1009 } | |
1010 } | |
1011 | |
1012 | |
1013 // Print a short set of xml attributes to identify this nmethod. The | |
1014 // output should be embedded in some other element. | |
1015 void nmethod::log_identity(xmlStream* log) const { | |
1016 log->print(" compile_id='%d'", compile_id()); | |
1017 const char* nm_kind = compile_kind(); | |
1018 if (nm_kind != NULL) log->print(" compile_kind='%s'", nm_kind); | |
1019 if (compiler() != NULL) { | |
1020 log->print(" compiler='%s'", compiler()->name()); | |
1021 } | |
1783 | 1022 if (TieredCompilation) { |
1023 log->print(" level='%d'", comp_level()); | |
1024 } | |
0 | 1025 } |
1026 | |
1027 | |
1028 #define LOG_OFFSET(log, name) \ | |
1029 if ((intptr_t)name##_end() - (intptr_t)name##_begin()) \ | |
1030 log->print(" " XSTR(name) "_offset='%d'" , \ | |
1031 (intptr_t)name##_begin() - (intptr_t)this) | |
1032 | |
1033 | |
1034 void nmethod::log_new_nmethod() const { | |
1035 if (LogCompilation && xtty != NULL) { | |
1036 ttyLocker ttyl; | |
1037 HandleMark hm; | |
1038 xtty->begin_elem("nmethod"); | |
1039 log_identity(xtty); | |
1748 | 1040 xtty->print(" entry='" INTPTR_FORMAT "' size='%d'", code_begin(), size()); |
0 | 1041 xtty->print(" address='" INTPTR_FORMAT "'", (intptr_t) this); |
1042 | |
1043 LOG_OFFSET(xtty, relocation); | |
1762
0878d7bae69f
6961697: move nmethod constants section before instruction section
twisti
parents:
1748
diff
changeset
|
1044 LOG_OFFSET(xtty, consts); |
1748 | 1045 LOG_OFFSET(xtty, insts); |
0 | 1046 LOG_OFFSET(xtty, stub); |
17371
ded2f1abfcda
LogCompilation should print metadata offset
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
15494
diff
changeset
|
1047 LOG_OFFSET(xtty, oops); |
ded2f1abfcda
LogCompilation should print metadata offset
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
15494
diff
changeset
|
1048 LOG_OFFSET(xtty, metadata); |
0 | 1049 LOG_OFFSET(xtty, scopes_data); |
1050 LOG_OFFSET(xtty, scopes_pcs); | |
1051 LOG_OFFSET(xtty, dependencies); | |
1052 LOG_OFFSET(xtty, handler_table); | |
1053 LOG_OFFSET(xtty, nul_chk_table); | |
1054 | |
1055 xtty->method(method()); | |
1056 xtty->stamp(); | |
1057 xtty->end_elem(); | |
1058 } | |
1059 } | |
1060 | |
1061 #undef LOG_OFFSET | |
1062 | |
1063 | |
1064 // Print out more verbose output usually for a newly created nmethod. | |
2405
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2376
diff
changeset
|
1065 void nmethod::print_on(outputStream* st, const char* msg) const { |
0 | 1066 if (st != NULL) { |
1067 ttyLocker ttyl; | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4873
diff
changeset
|
1068 if (WizardMode) { |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4873
diff
changeset
|
1069 CompileTask::print_compilation(st, this, msg, /*short_form:*/ true); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4873
diff
changeset
|
1070 st->print_cr(" (" INTPTR_FORMAT ")", this); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4873
diff
changeset
|
1071 } else { |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4873
diff
changeset
|
1072 CompileTask::print_compilation(st, this, msg, /*short_form:*/ false); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4873
diff
changeset
|
1073 } |
0 | 1074 } |
1075 } | |
1076 | |
1077 | |
1078 void nmethod::print_nmethod(bool printmethod) { | |
1079 ttyLocker ttyl; // keep the following output all in one block | |
1080 if (xtty != NULL) { | |
1081 xtty->begin_head("print_nmethod"); | |
1082 xtty->stamp(); | |
1083 xtty->end_head(); | |
1084 } | |
1085 // print the header part first | |
1086 print(); | |
1087 // then print the requested information | |
1088 if (printmethod) { | |
1089 print_code(); | |
1090 print_pcs(); | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4873
diff
changeset
|
1091 if (oop_maps()) { |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4873
diff
changeset
|
1092 oop_maps()->print(); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4873
diff
changeset
|
1093 } |
0 | 1094 } |
1095 if (PrintDebugInfo) { | |
1096 print_scopes(); | |
1097 } | |
1098 if (PrintRelocations) { | |
1099 print_relocations(); | |
1100 } | |
1101 if (PrintDependencies) { | |
1102 print_dependencies(); | |
1103 } | |
1104 if (PrintExceptionHandlers) { | |
1105 print_handler_table(); | |
1106 print_nul_chk_table(); | |
1107 } | |
1108 if (xtty != NULL) { | |
1109 xtty->tail("print_nmethod"); | |
1110 } | |
1111 } | |
1112 | |
1113 | |
1563
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1114 // Promote one word from an assembly-time handle to a live embedded oop. |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1115 inline void nmethod::initialize_immediate_oop(oop* dest, jobject handle) { |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1116 if (handle == NULL || |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1117 // As a special case, IC oops are initialized to 1 or -1. |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1118 handle == (jobject) Universe::non_oop_word()) { |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1119 (*dest) = (oop) handle; |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1120 } else { |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1121 (*dest) = JNIHandles::resolve_non_null(handle); |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1122 } |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1123 } |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1124 |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1125 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1126 // Have to have the same name because it's called by a template |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1127 void nmethod::copy_values(GrowableArray<jobject>* array) { |
1563
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1128 int length = array->length(); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1129 assert((address)(oops_begin() + length) <= (address)oops_end(), "oops big enough"); |
1563
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1130 oop* dest = oops_begin(); |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1131 for (int index = 0 ; index < length; index++) { |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1132 initialize_immediate_oop(&dest[index], array->at(index)); |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1133 } |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1134 |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1135 // Now we can fix up all the oops in the code. We need to do this |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1136 // in the code because the assembler uses jobjects as placeholders. |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1137 // The code and relocations have already been initialized by the |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1138 // CodeBlob constructor, so it is valid even at this early point to |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1139 // iterate over relocations and patch the code. |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1140 fix_oop_relocations(NULL, NULL, /*initialize_immediates=*/ true); |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1141 } |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1142 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1143 void nmethod::copy_values(GrowableArray<Metadata*>* array) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1144 int length = array->length(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1145 assert((address)(metadata_begin() + length) <= (address)metadata_end(), "big enough"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1146 Metadata** dest = metadata_begin(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1147 for (int index = 0 ; index < length; index++) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1148 dest[index] = array->at(index); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1149 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1150 } |
1563
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1151 |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1152 bool nmethod::is_at_poll_return(address pc) { |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1153 RelocIterator iter(this, pc, pc+1); |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1154 while (iter.next()) { |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1155 if (iter.type() == relocInfo::poll_return_type) |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1156 return true; |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1157 } |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1158 return false; |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1159 } |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1160 |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1161 |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1162 bool nmethod::is_at_poll_or_poll_return(address pc) { |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1163 RelocIterator iter(this, pc, pc+1); |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1164 while (iter.next()) { |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1165 relocInfo::relocType t = iter.type(); |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1166 if (t == relocInfo::poll_return_type || t == relocInfo::poll_type) |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1167 return true; |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1168 } |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1169 return false; |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1170 } |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1171 |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1172 |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1173 void nmethod::fix_oop_relocations(address begin, address end, bool initialize_immediates) { |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1174 // re-patch all oop-bearing instructions, just in case some oops moved |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1175 RelocIterator iter(this, begin, end); |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1176 while (iter.next()) { |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1177 if (iter.type() == relocInfo::oop_type) { |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1178 oop_Relocation* reloc = iter.oop_reloc(); |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1179 if (initialize_immediates && reloc->oop_is_immediate()) { |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1180 oop* dest = reloc->oop_addr(); |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1181 initialize_immediate_oop(dest, (jobject) *dest); |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1182 } |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1183 // Refresh the oop-related bits of this instruction. |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1184 reloc->fix_oop_relocation(); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1185 } else if (iter.type() == relocInfo::metadata_type) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1186 metadata_Relocation* reloc = iter.metadata_reloc(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1187 reloc->fix_metadata_relocation(); |
1563
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1188 } |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1189 } |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1190 } |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1191 |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
1192 |
2375
d673ef06fe96
7028374: race in fix_oop_relocations for scavengeable nmethods
never
parents:
2360
diff
changeset
|
1193 void nmethod::verify_oop_relocations() { |
d673ef06fe96
7028374: race in fix_oop_relocations for scavengeable nmethods
never
parents:
2360
diff
changeset
|
1194 // Ensure sure that the code matches the current oop values |
d673ef06fe96
7028374: race in fix_oop_relocations for scavengeable nmethods
never
parents:
2360
diff
changeset
|
1195 RelocIterator iter(this, NULL, NULL); |
d673ef06fe96
7028374: race in fix_oop_relocations for scavengeable nmethods
never
parents:
2360
diff
changeset
|
1196 while (iter.next()) { |
d673ef06fe96
7028374: race in fix_oop_relocations for scavengeable nmethods
never
parents:
2360
diff
changeset
|
1197 if (iter.type() == relocInfo::oop_type) { |
d673ef06fe96
7028374: race in fix_oop_relocations for scavengeable nmethods
never
parents:
2360
diff
changeset
|
1198 oop_Relocation* reloc = iter.oop_reloc(); |
d673ef06fe96
7028374: race in fix_oop_relocations for scavengeable nmethods
never
parents:
2360
diff
changeset
|
1199 if (!reloc->oop_is_immediate()) { |
d673ef06fe96
7028374: race in fix_oop_relocations for scavengeable nmethods
never
parents:
2360
diff
changeset
|
1200 reloc->verify_oop_relocation(); |
d673ef06fe96
7028374: race in fix_oop_relocations for scavengeable nmethods
never
parents:
2360
diff
changeset
|
1201 } |
d673ef06fe96
7028374: race in fix_oop_relocations for scavengeable nmethods
never
parents:
2360
diff
changeset
|
1202 } |
d673ef06fe96
7028374: race in fix_oop_relocations for scavengeable nmethods
never
parents:
2360
diff
changeset
|
1203 } |
d673ef06fe96
7028374: race in fix_oop_relocations for scavengeable nmethods
never
parents:
2360
diff
changeset
|
1204 } |
d673ef06fe96
7028374: race in fix_oop_relocations for scavengeable nmethods
never
parents:
2360
diff
changeset
|
1205 |
d673ef06fe96
7028374: race in fix_oop_relocations for scavengeable nmethods
never
parents:
2360
diff
changeset
|
1206 |
0 | 1207 ScopeDesc* nmethod::scope_desc_at(address pc) { |
1208 PcDesc* pd = pc_desc_at(pc); | |
1209 guarantee(pd != NULL, "scope must be present"); | |
1210 return new ScopeDesc(this, pd->scope_decode_offset(), | |
9707 | 1211 pd->obj_decode_offset(), pd->should_reexecute(), pd->rethrow_exception(), |
1253
f70b0d9ab095
6910618: C2: Error: assert(d->is_oop(),"JVM_ArrayCopy: dst not an oop")
kvn
parents:
1250
diff
changeset
|
1212 pd->return_oop()); |
0 | 1213 } |
1214 | |
1215 | |
1216 void nmethod::clear_inline_caches() { | |
1217 assert(SafepointSynchronize::is_at_safepoint(), "cleaning of IC's only allowed at safepoint"); | |
1218 if (is_zombie()) { | |
1219 return; | |
1220 } | |
1221 | |
1222 RelocIterator iter(this); | |
1223 while (iter.next()) { | |
1224 iter.reloc()->clear_inline_cache(); | |
1225 } | |
1226 } | |
1227 | |
1228 | |
1229 void nmethod::cleanup_inline_caches() { | |
1230 | |
1538
bfe29ec02863
6950075: nmethod sweeper should operate concurrently
never
parents:
1490
diff
changeset
|
1231 assert_locked_or_safepoint(CompiledIC_lock); |
0 | 1232 |
1233 // If the method is not entrant or zombie then a JMP is plastered over the | |
1234 // first few bytes. If an oop in the old code was there, that oop | |
1235 // should not get GC'd. Skip the first few bytes of oops on | |
1236 // not-entrant methods. | |
1237 address low_boundary = verified_entry_point(); | |
1238 if (!is_in_use()) { | |
1239 low_boundary += NativeJump::instruction_size; | |
1240 // %%% Note: On SPARC we patch only a 4-byte trap, not a full NativeJump. | |
1241 // This means that the low_boundary is going to be a little too high. | |
1242 // This shouldn't matter, since oops of non-entrant methods are never used. | |
1243 // In fact, why are we bothering to look at oops in a non-entrant method?? | |
1244 } | |
1245 | |
1246 // Find all calls in an nmethod, and clear the ones that points to zombie methods | |
1247 ResourceMark rm; | |
1248 RelocIterator iter(this, low_boundary); | |
1249 while(iter.next()) { | |
1250 switch(iter.type()) { | |
1251 case relocInfo::virtual_call_type: | |
1252 case relocInfo::opt_virtual_call_type: { | |
1253 CompiledIC *ic = CompiledIC_at(iter.reloc()); | |
1254 // Ok, to lookup references to zombies here | |
1255 CodeBlob *cb = CodeCache::find_blob_unsafe(ic->ic_destination()); | |
1256 if( cb != NULL && cb->is_nmethod() ) { | |
1257 nmethod* nm = (nmethod*)cb; | |
1258 // Clean inline caches pointing to both zombie and not_entrant methods | |
1202 | 1259 if (!nm->is_in_use() || (nm->method()->code() != nm)) ic->set_to_clean(); |
0 | 1260 } |
1261 break; | |
1262 } | |
1263 case relocInfo::static_call_type: { | |
1264 CompiledStaticCall *csc = compiledStaticCall_at(iter.reloc()); | |
1265 CodeBlob *cb = CodeCache::find_blob_unsafe(csc->destination()); | |
1266 if( cb != NULL && cb->is_nmethod() ) { | |
1267 nmethod* nm = (nmethod*)cb; | |
1268 // Clean inline caches pointing to both zombie and not_entrant methods | |
1202 | 1269 if (!nm->is_in_use() || (nm->method()->code() != nm)) csc->set_to_clean(); |
0 | 1270 } |
1271 break; | |
1272 } | |
1273 } | |
1274 } | |
1275 } | |
1276 | |
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
1277 // This is a private interface with the sweeper. |
0 | 1278 void nmethod::mark_as_seen_on_stack() { |
12324
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12175
diff
changeset
|
1279 assert(is_alive(), "Must be an alive method"); |
1644
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
1280 // Set the traversal mark to ensure that the sweeper does 2 |
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
1281 // cleaning passes before moving to zombie. |
0 | 1282 set_stack_traversal_mark(NMethodSweeper::traversal_count()); |
1283 } | |
1284 | |
2342
46a56fac55c7
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
2321
diff
changeset
|
1285 // Tell if a non-entrant method can be converted to a zombie (i.e., |
46a56fac55c7
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
2321
diff
changeset
|
1286 // there are no activations on the stack, not in use by the VM, |
46a56fac55c7
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
2321
diff
changeset
|
1287 // and not in use by the ServiceThread) |
0 | 1288 bool nmethod::can_not_entrant_be_converted() { |
1289 assert(is_not_entrant(), "must be a non-entrant method"); | |
1290 | |
1291 // Since the nmethod sweeper only does partial sweep the sweeper's traversal | |
1292 // count can be greater than the stack traversal count before it hits the | |
1293 // nmethod for the second time. | |
2342
46a56fac55c7
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
2321
diff
changeset
|
1294 return stack_traversal_mark()+1 < NMethodSweeper::traversal_count() && |
46a56fac55c7
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
2321
diff
changeset
|
1295 !is_locked_by_vm(); |
0 | 1296 } |
1297 | |
1298 void nmethod::inc_decompile_count() { | |
9707 | 1299 if (!is_compiled_by_c2() && !is_compiled_by_graal()) return; |
0 | 1300 // Could be gated by ProfileTraps, but do not bother... |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1301 Method* m = method(); |
0 | 1302 if (m == NULL) return; |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1303 MethodData* mdo = m->method_data(); |
0 | 1304 if (mdo == NULL) return; |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1305 // There is a benign race here. See comments in methodData.hpp. |
0 | 1306 mdo->inc_decompile_count(); |
1307 } | |
1308 | |
1309 void nmethod::make_unloaded(BoolObjectClosure* is_alive, oop cause) { | |
1310 | |
1311 post_compiled_method_unload(); | |
1312 | |
1313 // Since this nmethod is being unloaded, make sure that dependencies | |
1314 // recorded in instanceKlasses get flushed and pass non-NULL closure to | |
1315 // indicate that this work is being done during a GC. | |
1316 assert(Universe::heap()->is_gc_active(), "should only be called during gc"); | |
1317 assert(is_alive != NULL, "Should be non-NULL"); | |
1318 // A non-NULL is_alive closure indicates that this is being called during GC. | |
1319 flush_dependencies(is_alive); | |
1320 | |
1321 // Break cycle between nmethod & method | |
1322 if (TraceClassUnloading && WizardMode) { | |
1323 tty->print_cr("[Class unloading: Making nmethod " INTPTR_FORMAT | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1324 " unloadable], Method*(" INTPTR_FORMAT |
0 | 1325 "), cause(" INTPTR_FORMAT ")", |
1326 this, (address)_method, (address)cause); | |
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
1327 if (!Universe::heap()->is_gc_active()) |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
1328 cause->klass()->print(); |
0 | 1329 } |
941 | 1330 // Unlink the osr method, so we do not look this up again |
1331 if (is_osr_method()) { | |
1332 invalidate_osr_method(); | |
1333 } | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1334 // If _method is already NULL the Method* is about to be unloaded, |
0 | 1335 // so we don't have to break the cycle. Note that it is possible to |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1336 // have the Method* live here, in case we unload the nmethod because |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1337 // it is pointing to some oop (other than the Method*) being unloaded. |
0 | 1338 if (_method != NULL) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1339 // OSR methods point to the Method*, but the Method* does not |
0 | 1340 // point back! |
1341 if (_method->code() == this) { | |
1342 _method->clear_code(); // Break a cycle | |
1343 } | |
1344 _method = NULL; // Clear the method of this dead nmethod | |
1345 } | |
9707 | 1346 |
1347 #ifdef GRAAL | |
1348 // The method can only be unloaded after the pointer to the installed code | |
1349 // Java wrapper is no longer alive. Here we need to clear out this weak | |
1350 // reference to the dead object. | |
1351 if (_graal_installed_code != NULL) { | |
15161
2c940b1a48d8
Convert InstalledCode from an interface into an abstract class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
14968
diff
changeset
|
1352 InstalledCode::set_address(_graal_installed_code, 0); |
9707 | 1353 _graal_installed_code = NULL; |
1354 } | |
1355 #endif | |
1356 | |
0 | 1357 // Make the class unloaded - i.e., change state and notify sweeper |
1538
bfe29ec02863
6950075: nmethod sweeper should operate concurrently
never
parents:
1490
diff
changeset
|
1358 assert(SafepointSynchronize::is_at_safepoint(), "must be at safepoint"); |
0 | 1359 if (is_in_use()) { |
1360 // Transitioning directly from live to unloaded -- so | |
1361 // we need to force a cache clean-up; remember this | |
1362 // for later on. | |
1363 CodeCache::set_needs_cache_clean(true); | |
1364 } | |
1644
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
1365 _state = unloaded; |
0 | 1366 |
1109
032260830071
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
994
diff
changeset
|
1367 // Log the unloading. |
032260830071
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
994
diff
changeset
|
1368 log_state_change(); |
032260830071
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
994
diff
changeset
|
1369 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1370 // The Method* is gone at this point |
0 | 1371 assert(_method == NULL, "Tautology"); |
1372 | |
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
1373 set_osr_link(NULL); |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
1374 //set_scavenge_root_link(NULL); // done by prune_scavenge_root_nmethods |
13074
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13071
diff
changeset
|
1375 NMethodSweeper::report_state_change(this); |
0 | 1376 } |
1377 | |
1378 void nmethod::invalidate_osr_method() { | |
1379 assert(_entry_bci != InvocationEntryBci, "wrong kind of nmethod"); | |
1380 // Remove from list of active nmethods | |
1381 if (method() != NULL) | |
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6806
diff
changeset
|
1382 method()->method_holder()->remove_osr_nmethod(this); |
0 | 1383 // Set entry as invalid |
1384 _entry_bci = InvalidOSREntryBci; | |
1385 } | |
1386 | |
1109
032260830071
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
994
diff
changeset
|
1387 void nmethod::log_state_change() const { |
0 | 1388 if (LogCompilation) { |
1389 if (xtty != NULL) { | |
1390 ttyLocker ttyl; // keep the following output all in one block | |
1644
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
1391 if (_state == unloaded) { |
1109
032260830071
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
994
diff
changeset
|
1392 xtty->begin_elem("make_unloaded thread='" UINTX_FORMAT "'", |
032260830071
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
994
diff
changeset
|
1393 os::current_thread_id()); |
032260830071
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
994
diff
changeset
|
1394 } else { |
032260830071
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
994
diff
changeset
|
1395 xtty->begin_elem("make_not_entrant thread='" UINTX_FORMAT "'%s", |
032260830071
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
994
diff
changeset
|
1396 os::current_thread_id(), |
1644
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
1397 (_state == zombie ? " zombie='1'" : "")); |
1109
032260830071
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
994
diff
changeset
|
1398 } |
0 | 1399 log_identity(xtty); |
1400 xtty->stamp(); | |
1401 xtty->end_elem(); | |
1402 } | |
1403 } | |
1644
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
1404 if (PrintCompilation && _state != unloaded) { |
2405
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2376
diff
changeset
|
1405 print_on(tty, _state == zombie ? "made zombie" : "made not entrant"); |
0 | 1406 } |
1407 } | |
1408 | |
13074
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13071
diff
changeset
|
1409 /** |
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13071
diff
changeset
|
1410 * Common functionality for both make_not_entrant and make_zombie |
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13071
diff
changeset
|
1411 */ |
1141 | 1412 bool nmethod::make_not_entrant_or_zombie(unsigned int state) { |
0 | 1413 assert(state == zombie || state == not_entrant, "must be zombie or not_entrant"); |
2342
46a56fac55c7
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
2321
diff
changeset
|
1414 assert(!is_zombie(), "should not already be a zombie"); |
0 | 1415 |
1644
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
1416 // Make sure neither the nmethod nor the method is flushed in case of a safepoint in code below. |
0 | 1417 nmethodLocker nml(this); |
1644
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
1418 methodHandle the_method(method()); |
1726 | 1419 No_Safepoint_Verifier nsv; |
0 | 1420 |
12080 | 1421 // during patching, depending on the nmethod state we must notify the GC that |
1422 // code has been unloaded, unregistering it. We cannot do this right while | |
1423 // holding the Patching_lock because we need to use the CodeCache_lock. This | |
1424 // would be prone to deadlocks. | |
1425 // This flag is used to remember whether we need to later lock and unregister. | |
1426 bool nmethod_needs_unregister = false; | |
1427 | |
0 | 1428 { |
1109
032260830071
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
994
diff
changeset
|
1429 // invalidate osr nmethod before acquiring the patching lock since |
032260830071
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
994
diff
changeset
|
1430 // they both acquire leaf locks and we don't want a deadlock. |
032260830071
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
994
diff
changeset
|
1431 // This logic is equivalent to the logic below for patching the |
032260830071
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
994
diff
changeset
|
1432 // verified entry point of regular methods. |
032260830071
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
994
diff
changeset
|
1433 if (is_osr_method()) { |
032260830071
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
994
diff
changeset
|
1434 // this effectively makes the osr nmethod not entrant |
032260830071
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
994
diff
changeset
|
1435 invalidate_osr_method(); |
032260830071
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
994
diff
changeset
|
1436 } |
032260830071
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
994
diff
changeset
|
1437 |
0 | 1438 // Enter critical section. Does not block for safepoint. |
1439 MutexLockerEx pl(Patching_lock, Mutex::_no_safepoint_check_flag); | |
1109
032260830071
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
994
diff
changeset
|
1440 |
1644
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
1441 if (_state == state) { |
1109
032260830071
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
994
diff
changeset
|
1442 // another thread already performed this transition so nothing |
032260830071
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
994
diff
changeset
|
1443 // to do, but return false to indicate this. |
032260830071
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
994
diff
changeset
|
1444 return false; |
032260830071
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
994
diff
changeset
|
1445 } |
032260830071
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
994
diff
changeset
|
1446 |
0 | 1447 // The caller can be calling the method statically or through an inline |
1448 // cache call. | |
1109
032260830071
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
994
diff
changeset
|
1449 if (!is_osr_method() && !is_not_entrant()) { |
9707 | 1450 address stub = SharedRuntime::get_handle_wrong_method_stub(); |
1451 NativeJump::patch_verified_entry(entry_point(), verified_entry_point(), stub); | |
0 | 1452 } |
1453 | |
1644
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
1454 if (is_in_use()) { |
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
1455 // It's a true state change, so mark the method as decompiled. |
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
1456 // Do it only for transition from alive. |
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
1457 inc_decompile_count(); |
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
1458 } |
1206
87684f1a88b5
6614597: Performance variability in jvm2008 xml.validation
kvn
parents:
1204
diff
changeset
|
1459 |
12080 | 1460 // If the state is becoming a zombie, signal to unregister the nmethod with |
1461 // the heap. | |
1462 // This nmethod may have already been unloaded during a full GC. | |
1463 if ((state == zombie) && !is_unloaded()) { | |
1464 nmethod_needs_unregister = true; | |
1465 } | |
1466 | |
12324
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12175
diff
changeset
|
1467 // Must happen before state change. Otherwise we have a race condition in |
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12175
diff
changeset
|
1468 // nmethod::can_not_entrant_be_converted(). I.e., a method can immediately |
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12175
diff
changeset
|
1469 // transition its state from 'not_entrant' to 'zombie' without having to wait |
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12175
diff
changeset
|
1470 // for stack scanning. |
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12175
diff
changeset
|
1471 if (state == not_entrant) { |
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12175
diff
changeset
|
1472 mark_as_seen_on_stack(); |
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12175
diff
changeset
|
1473 OrderAccess::storestore(); |
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12175
diff
changeset
|
1474 } |
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12175
diff
changeset
|
1475 |
0 | 1476 // Change state |
1644
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
1477 _state = state; |
1109
032260830071
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
994
diff
changeset
|
1478 |
032260830071
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
994
diff
changeset
|
1479 // Log the transition once |
032260830071
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
994
diff
changeset
|
1480 log_state_change(); |
032260830071
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
994
diff
changeset
|
1481 |
1644
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
1482 // Remove nmethod from method. |
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
1483 // We need to check if both the _code and _from_compiled_code_entry_point |
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
1484 // refer to this nmethod because there is a race in setting these two fields |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1485 // in Method* as seen in bugid 4947125. |
1644
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
1486 // If the vep() points to the zombie nmethod, the memory for the nmethod |
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
1487 // could be flushed and the compiler and vtable stubs could still call |
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
1488 // through it. |
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
1489 if (method() != NULL && (method()->code() == this || |
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
1490 method()->from_compiled_entry() == verified_entry_point())) { |
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
1491 HandleMark hm; |
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
1492 method()->clear_code(); |
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
1493 } |
0 | 1494 } // leave critical region under Patching_lock |
1495 | |
1538
bfe29ec02863
6950075: nmethod sweeper should operate concurrently
never
parents:
1490
diff
changeset
|
1496 // When the nmethod becomes zombie it is no longer alive so the |
bfe29ec02863
6950075: nmethod sweeper should operate concurrently
never
parents:
1490
diff
changeset
|
1497 // dependencies must be flushed. nmethods in the not_entrant |
bfe29ec02863
6950075: nmethod sweeper should operate concurrently
never
parents:
1490
diff
changeset
|
1498 // state will be flushed later when the transition to zombie |
bfe29ec02863
6950075: nmethod sweeper should operate concurrently
never
parents:
1490
diff
changeset
|
1499 // happens or they get unloaded. |
bfe29ec02863
6950075: nmethod sweeper should operate concurrently
never
parents:
1490
diff
changeset
|
1500 if (state == zombie) { |
1726 | 1501 { |
1502 // Flushing dependecies must be done before any possible | |
1503 // safepoint can sneak in, otherwise the oops used by the | |
1504 // dependency logic could have become stale. | |
1505 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
12080 | 1506 if (nmethod_needs_unregister) { |
1507 Universe::heap()->unregister_nmethod(this); | |
1508 } | |
1726 | 1509 flush_dependencies(NULL); |
1510 } | |
1644
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
1511 |
2342
46a56fac55c7
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
2321
diff
changeset
|
1512 // zombie only - if a JVMTI agent has enabled the CompiledMethodUnload |
46a56fac55c7
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
2321
diff
changeset
|
1513 // event and it hasn't already been reported for this nmethod then |
46a56fac55c7
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
2321
diff
changeset
|
1514 // report it now. The event may have been reported earilier if the GC |
46a56fac55c7
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
2321
diff
changeset
|
1515 // marked it for unloading). JvmtiDeferredEventQueue support means |
46a56fac55c7
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
2321
diff
changeset
|
1516 // we no longer go to a safepoint here. |
46a56fac55c7
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
2321
diff
changeset
|
1517 post_compiled_method_unload(); |
1726 | 1518 |
1519 #ifdef ASSERT | |
1520 // It's no longer safe to access the oops section since zombie | |
1521 // nmethods aren't scanned for GC. | |
1522 _oops_are_stale = true; | |
1523 #endif | |
12161
e1fbb86b47e4
8016277: Crash in nmethod::is_compiled_by_c1() on x86
roland
parents:
12080
diff
changeset
|
1524 // the Method may be reclaimed by class unloading now that the |
e1fbb86b47e4
8016277: Crash in nmethod::is_compiled_by_c1() on x86
roland
parents:
12080
diff
changeset
|
1525 // nmethod is in zombie state |
e1fbb86b47e4
8016277: Crash in nmethod::is_compiled_by_c1() on x86
roland
parents:
12080
diff
changeset
|
1526 set_method(NULL); |
1538
bfe29ec02863
6950075: nmethod sweeper should operate concurrently
never
parents:
1490
diff
changeset
|
1527 } else { |
bfe29ec02863
6950075: nmethod sweeper should operate concurrently
never
parents:
1490
diff
changeset
|
1528 assert(state == not_entrant, "other cases may need to be handled differently"); |
bfe29ec02863
6950075: nmethod sweeper should operate concurrently
never
parents:
1490
diff
changeset
|
1529 } |
12414
98031e66de15
Fix unittests
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12411
diff
changeset
|
1530 #ifdef GRAAL |
13230
01080e31692d
fixed crash when TraceCreateZombies is enabled
Doug Simon <doug.simon@oracle.com>
parents:
13102
diff
changeset
|
1531 if (_graal_installed_code != NULL) { |
15161
2c940b1a48d8
Convert InstalledCode from an interface into an abstract class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
14968
diff
changeset
|
1532 // Break the link between nmethod and InstalledCode such that the nmethod can subsequently be flushed safely. |
2c940b1a48d8
Convert InstalledCode from an interface into an abstract class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
14968
diff
changeset
|
1533 InstalledCode::set_address(_graal_installed_code, 0); |
13230
01080e31692d
fixed crash when TraceCreateZombies is enabled
Doug Simon <doug.simon@oracle.com>
parents:
13102
diff
changeset
|
1534 } |
12414
98031e66de15
Fix unittests
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12411
diff
changeset
|
1535 #endif |
1538
bfe29ec02863
6950075: nmethod sweeper should operate concurrently
never
parents:
1490
diff
changeset
|
1536 |
0 | 1537 if (TraceCreateZombies) { |
9707 | 1538 ResourceMark m; |
13230
01080e31692d
fixed crash when TraceCreateZombies is enabled
Doug Simon <doug.simon@oracle.com>
parents:
13102
diff
changeset
|
1539 tty->print_cr("nmethod <" INTPTR_FORMAT "> %s code made %s", this, this->method() ? this->method()->name_and_sig_as_C_string() : "null", (state == not_entrant) ? "not entrant" : "zombie"); |
0 | 1540 } |
1541 | |
13074
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13071
diff
changeset
|
1542 NMethodSweeper::report_state_change(this); |
1109
032260830071
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
994
diff
changeset
|
1543 return true; |
0 | 1544 } |
1545 | |
1546 void nmethod::flush() { | |
1547 // Note that there are no valid oops in the nmethod anymore. | |
1548 assert(is_zombie() || (is_osr_method() && is_unloaded()), "must be a zombie method"); | |
1549 assert(is_marked_for_reclamation() || (is_osr_method() && is_unloaded()), "must be marked for reclamation"); | |
1550 | |
1551 assert (!is_locked_by_vm(), "locked methods shouldn't be flushed"); | |
1538
bfe29ec02863
6950075: nmethod sweeper should operate concurrently
never
parents:
1490
diff
changeset
|
1552 assert_locked_or_safepoint(CodeCache_lock); |
0 | 1553 |
1554 // completely deallocate this method | |
4872
aa3d708d67c4
7141200: log some interesting information in ring buffers for crashes
never
parents:
4006
diff
changeset
|
1555 Events::log(JavaThread::current(), "flushing nmethod " INTPTR_FORMAT, this); |
0 | 1556 if (PrintMethodFlushing) { |
1202 | 1557 tty->print_cr("*flushing nmethod %3d/" INTPTR_FORMAT ". Live blobs:" UINT32_FORMAT "/Free CodeCache:" SIZE_FORMAT "Kb", |
1558 _compile_id, this, CodeCache::nof_blobs(), CodeCache::unallocated_capacity()/1024); | |
0 | 1559 } |
1560 | |
1561 // We need to deallocate any ExceptionCache data. | |
1562 // Note that we do not need to grab the nmethod lock for this, it | |
1563 // better be thread safe if we're disposing of it! | |
1564 ExceptionCache* ec = exception_cache(); | |
1565 set_exception_cache(NULL); | |
1566 while(ec != NULL) { | |
1567 ExceptionCache* next = ec->next(); | |
1568 delete ec; | |
1569 ec = next; | |
1570 } | |
1571 | |
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
1572 if (on_scavenge_root_list()) { |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
1573 CodeCache::drop_scavenge_root_nmethod(this); |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
1574 } |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
1575 |
1692 | 1576 #ifdef SHARK |
1845
a222fcfba398
6990549: Zero and Shark fixes after 6978355 and 6953144
twisti
parents:
1784
diff
changeset
|
1577 ((SharkCompiler *) compiler())->free_compiled_method(insts_begin()); |
1692 | 1578 #endif // SHARK |
1579 | |
0 | 1580 ((CodeBlob*)(this))->flush(); |
1581 | |
1582 CodeCache::free(this); | |
1583 } | |
1584 | |
1585 | |
1586 // | |
1587 // Notify all classes this nmethod is dependent on that it is no | |
1588 // longer dependent. This should only be called in two situations. | |
1589 // First, when a nmethod transitions to a zombie all dependents need | |
1590 // to be clear. Since zombification happens at a safepoint there's no | |
1591 // synchronization issues. The second place is a little more tricky. | |
1592 // During phase 1 of mark sweep class unloading may happen and as a | |
1593 // result some nmethods may get unloaded. In this case the flushing | |
1594 // of dependencies must happen during phase 1 since after GC any | |
1595 // dependencies in the unloaded nmethod won't be updated, so | |
1596 // traversing the dependency information in unsafe. In that case this | |
1597 // function is called with a non-NULL argument and this function only | |
1598 // notifies instanceKlasses that are reachable | |
1599 | |
1600 void nmethod::flush_dependencies(BoolObjectClosure* is_alive) { | |
1538
bfe29ec02863
6950075: nmethod sweeper should operate concurrently
never
parents:
1490
diff
changeset
|
1601 assert_locked_or_safepoint(CodeCache_lock); |
0 | 1602 assert(Universe::heap()->is_gc_active() == (is_alive != NULL), |
1603 "is_alive is non-NULL if and only if we are called during GC"); | |
1604 if (!has_flushed_dependencies()) { | |
1605 set_has_flushed_dependencies(); | |
1606 for (Dependencies::DepStream deps(this); deps.next(); ) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1607 Klass* klass = deps.context_type(); |
0 | 1608 if (klass == NULL) continue; // ignore things like evol_method |
1609 | |
1610 // During GC the is_alive closure is non-NULL, and is used to | |
1611 // determine liveness of dependees that need to be updated. | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1612 if (is_alive == NULL || klass->is_loader_alive(is_alive)) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1613 InstanceKlass::cast(klass)->remove_dependent_nmethod(this); |
0 | 1614 } |
1615 } | |
1616 } | |
1617 } | |
1618 | |
1619 | |
1620 // If this oop is not live, the nmethod can be unloaded. | |
6787
8966c2d65d96
7200470: KeepAliveClosure not needed in CodeCache::do_unloading
brutisso
parents:
6725
diff
changeset
|
1621 bool nmethod::can_unload(BoolObjectClosure* is_alive, oop* root, bool unloading_occurred) { |
0 | 1622 assert(root != NULL, "just checking"); |
1623 oop obj = *root; | |
1624 if (obj == NULL || is_alive->do_object_b(obj)) { | |
1625 return false; | |
1626 } | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1627 |
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
1628 // If ScavengeRootsInCode is true, an nmethod might be unloaded |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
1629 // simply because one of its constant oops has gone dead. |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
1630 // No actual classes need to be unloaded in order for this to occur. |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
1631 assert(unloading_occurred || ScavengeRootsInCode, "Inconsistency in unloading"); |
0 | 1632 make_unloaded(is_alive, obj); |
1633 return true; | |
1634 } | |
1635 | |
1636 // ------------------------------------------------------------------ | |
1637 // post_compiled_method_load_event | |
1638 // new method for install_code() path | |
1639 // Transfer information from compilation to jvmti | |
1640 void nmethod::post_compiled_method_load_event() { | |
1641 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1642 Method* moop = method(); |
14909 | 1643 #ifndef USDT2 |
1644 HS_DTRACE_PROBE8(hotspot, compiled__method__load, | |
1645 moop->klass_name()->bytes(), | |
1646 moop->klass_name()->utf8_length(), | |
1647 moop->name()->bytes(), | |
1648 moop->name()->utf8_length(), | |
1649 moop->signature()->bytes(), | |
1650 moop->signature()->utf8_length(), | |
1651 insts_begin(), insts_size()); | |
1652 #else /* USDT2 */ | |
4006 | 1653 HOTSPOT_COMPILED_METHOD_LOAD( |
1654 (char *) moop->klass_name()->bytes(), | |
1655 moop->klass_name()->utf8_length(), | |
1656 (char *) moop->name()->bytes(), | |
1657 moop->name()->utf8_length(), | |
1658 (char *) moop->signature()->bytes(), | |
1659 moop->signature()->utf8_length(), | |
1660 insts_begin(), insts_size()); | |
14909 | 1661 #endif /* USDT2 */ |
0 | 1662 |
1616
38e8278318ca
6656830: assert((*p)->is_oop(),"expected an oop while scanning weak refs")
never
parents:
1602
diff
changeset
|
1663 if (JvmtiExport::should_post_compiled_method_load() || |
38e8278318ca
6656830: assert((*p)->is_oop(),"expected an oop while scanning weak refs")
never
parents:
1602
diff
changeset
|
1664 JvmtiExport::should_post_compiled_method_unload()) { |
38e8278318ca
6656830: assert((*p)->is_oop(),"expected an oop while scanning weak refs")
never
parents:
1602
diff
changeset
|
1665 get_and_cache_jmethod_id(); |
38e8278318ca
6656830: assert((*p)->is_oop(),"expected an oop while scanning weak refs")
never
parents:
1602
diff
changeset
|
1666 } |
38e8278318ca
6656830: assert((*p)->is_oop(),"expected an oop while scanning weak refs")
never
parents:
1602
diff
changeset
|
1667 |
0 | 1668 if (JvmtiExport::should_post_compiled_method_load()) { |
2195
bf8517f4e4d0
6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
2177
diff
changeset
|
1669 // Let the Service thread (which is a real Java thread) post the event |
bf8517f4e4d0
6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
2177
diff
changeset
|
1670 MutexLockerEx ml(Service_lock, Mutex::_no_safepoint_check_flag); |
bf8517f4e4d0
6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
2177
diff
changeset
|
1671 JvmtiDeferredEventQueue::enqueue( |
bf8517f4e4d0
6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
2177
diff
changeset
|
1672 JvmtiDeferredEvent::compiled_method_load_event(this)); |
0 | 1673 } |
1674 } | |
1675 | |
1616
38e8278318ca
6656830: assert((*p)->is_oop(),"expected an oop while scanning weak refs")
never
parents:
1602
diff
changeset
|
1676 jmethodID nmethod::get_and_cache_jmethod_id() { |
38e8278318ca
6656830: assert((*p)->is_oop(),"expected an oop while scanning weak refs")
never
parents:
1602
diff
changeset
|
1677 if (_jmethod_id == NULL) { |
38e8278318ca
6656830: assert((*p)->is_oop(),"expected an oop while scanning weak refs")
never
parents:
1602
diff
changeset
|
1678 // Cache the jmethod_id since it can no longer be looked up once the |
38e8278318ca
6656830: assert((*p)->is_oop(),"expected an oop while scanning weak refs")
never
parents:
1602
diff
changeset
|
1679 // method itself has been marked for unloading. |
38e8278318ca
6656830: assert((*p)->is_oop(),"expected an oop while scanning weak refs")
never
parents:
1602
diff
changeset
|
1680 _jmethod_id = method()->jmethod_id(); |
38e8278318ca
6656830: assert((*p)->is_oop(),"expected an oop while scanning weak refs")
never
parents:
1602
diff
changeset
|
1681 } |
38e8278318ca
6656830: assert((*p)->is_oop(),"expected an oop while scanning weak refs")
never
parents:
1602
diff
changeset
|
1682 return _jmethod_id; |
38e8278318ca
6656830: assert((*p)->is_oop(),"expected an oop while scanning weak refs")
never
parents:
1602
diff
changeset
|
1683 } |
38e8278318ca
6656830: assert((*p)->is_oop(),"expected an oop while scanning weak refs")
never
parents:
1602
diff
changeset
|
1684 |
0 | 1685 void nmethod::post_compiled_method_unload() { |
1577
852d0157c696
6956931: assert(SafepointSynchronize::is_at_safepoint()) failed: must be executed at a safepoint
never
parents:
1563
diff
changeset
|
1686 if (unload_reported()) { |
852d0157c696
6956931: assert(SafepointSynchronize::is_at_safepoint()) failed: must be executed at a safepoint
never
parents:
1563
diff
changeset
|
1687 // During unloading we transition to unloaded and then to zombie |
852d0157c696
6956931: assert(SafepointSynchronize::is_at_safepoint()) failed: must be executed at a safepoint
never
parents:
1563
diff
changeset
|
1688 // and the unloading is reported during the first transition. |
852d0157c696
6956931: assert(SafepointSynchronize::is_at_safepoint()) failed: must be executed at a safepoint
never
parents:
1563
diff
changeset
|
1689 return; |
852d0157c696
6956931: assert(SafepointSynchronize::is_at_safepoint()) failed: must be executed at a safepoint
never
parents:
1563
diff
changeset
|
1690 } |
852d0157c696
6956931: assert(SafepointSynchronize::is_at_safepoint()) failed: must be executed at a safepoint
never
parents:
1563
diff
changeset
|
1691 |
0 | 1692 assert(_method != NULL && !is_unloaded(), "just checking"); |
1693 DTRACE_METHOD_UNLOAD_PROBE(method()); | |
1694 | |
1695 // If a JVMTI agent has enabled the CompiledMethodUnload event then | |
1616
38e8278318ca
6656830: assert((*p)->is_oop(),"expected an oop while scanning weak refs")
never
parents:
1602
diff
changeset
|
1696 // post the event. Sometime later this nmethod will be made a zombie |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1697 // by the sweeper but the Method* will not be valid at that point. |
1616
38e8278318ca
6656830: assert((*p)->is_oop(),"expected an oop while scanning weak refs")
never
parents:
1602
diff
changeset
|
1698 // If the _jmethod_id is null then no load event was ever requested |
38e8278318ca
6656830: assert((*p)->is_oop(),"expected an oop while scanning weak refs")
never
parents:
1602
diff
changeset
|
1699 // so don't bother posting the unload. The main reason for this is |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1700 // that the jmethodID is a weak reference to the Method* so if |
1616
38e8278318ca
6656830: assert((*p)->is_oop(),"expected an oop while scanning weak refs")
never
parents:
1602
diff
changeset
|
1701 // it's being unloaded there's no way to look it up since the weak |
38e8278318ca
6656830: assert((*p)->is_oop(),"expected an oop while scanning weak refs")
never
parents:
1602
diff
changeset
|
1702 // ref will have been cleared. |
38e8278318ca
6656830: assert((*p)->is_oop(),"expected an oop while scanning weak refs")
never
parents:
1602
diff
changeset
|
1703 if (_jmethod_id != NULL && JvmtiExport::should_post_compiled_method_unload()) { |
0 | 1704 assert(!unload_reported(), "already unloaded"); |
2195
bf8517f4e4d0
6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
2177
diff
changeset
|
1705 JvmtiDeferredEvent event = |
2342
46a56fac55c7
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
2321
diff
changeset
|
1706 JvmtiDeferredEvent::compiled_method_unload_event(this, |
2195
bf8517f4e4d0
6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
2177
diff
changeset
|
1707 _jmethod_id, insts_begin()); |
bf8517f4e4d0
6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
2177
diff
changeset
|
1708 if (SafepointSynchronize::is_at_safepoint()) { |
bf8517f4e4d0
6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
2177
diff
changeset
|
1709 // Don't want to take the queueing lock. Add it as pending and |
bf8517f4e4d0
6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
2177
diff
changeset
|
1710 // it will get enqueued later. |
bf8517f4e4d0
6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
2177
diff
changeset
|
1711 JvmtiDeferredEventQueue::add_pending_event(event); |
bf8517f4e4d0
6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
2177
diff
changeset
|
1712 } else { |
bf8517f4e4d0
6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
2177
diff
changeset
|
1713 MutexLockerEx ml(Service_lock, Mutex::_no_safepoint_check_flag); |
bf8517f4e4d0
6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
2177
diff
changeset
|
1714 JvmtiDeferredEventQueue::enqueue(event); |
bf8517f4e4d0
6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
2177
diff
changeset
|
1715 } |
0 | 1716 } |
1717 | |
1718 // The JVMTI CompiledMethodUnload event can be enabled or disabled at | |
1719 // any time. As the nmethod is being unloaded now we mark it has | |
1720 // having the unload event reported - this will ensure that we don't | |
1721 // attempt to report the event in the unlikely scenario where the | |
1722 // event is enabled at the time the nmethod is made a zombie. | |
1723 set_unload_reported(); | |
1724 } | |
1725 | |
1726 // This is called at the end of the strong tracing/marking phase of a | |
1727 // GC to unload an nmethod if it contains otherwise unreachable | |
1728 // oops. | |
1729 | |
6787
8966c2d65d96
7200470: KeepAliveClosure not needed in CodeCache::do_unloading
brutisso
parents:
6725
diff
changeset
|
1730 void nmethod::do_unloading(BoolObjectClosure* is_alive, bool unloading_occurred) { |
0 | 1731 // Make sure the oop's ready to receive visitors |
1732 assert(!is_zombie() && !is_unloaded(), | |
1733 "should not call follow on zombie or unloaded nmethod"); | |
1734 | |
1735 // If the method is not entrant then a JMP is plastered over the | |
1736 // first few bytes. If an oop in the old code was there, that oop | |
1737 // should not get GC'd. Skip the first few bytes of oops on | |
1738 // not-entrant methods. | |
1739 address low_boundary = verified_entry_point(); | |
1740 if (is_not_entrant()) { | |
1741 low_boundary += NativeJump::instruction_size; | |
1742 // %%% Note: On SPARC we patch only a 4-byte trap, not a full NativeJump. | |
1743 // (See comment above.) | |
1744 } | |
1745 | |
1746 // The RedefineClasses() API can cause the class unloading invariant | |
1747 // to no longer be true. See jvmtiExport.hpp for details. | |
1748 // Also, leave a debugging breadcrumb in local flag. | |
1749 bool a_class_was_redefined = JvmtiExport::has_redefined_a_class(); | |
1750 if (a_class_was_redefined) { | |
1751 // This set of the unloading_occurred flag is done before the | |
1752 // call to post_compiled_method_unload() so that the unloading | |
1753 // of this nmethod is reported. | |
1754 unloading_occurred = true; | |
1755 } | |
1756 | |
9707 | 1757 #ifdef GRAAL |
1758 // Follow Graal method | |
1759 if (_graal_installed_code != NULL) { | |
15164
62e218478931
Fix regression when accessing a Graal installed code object.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
15161
diff
changeset
|
1760 if (_graal_installed_code->is_a(HotSpotNmethod::klass()) && HotSpotNmethod::isDefault(_graal_installed_code)) { |
9707 | 1761 if (!is_alive->do_object_b(_graal_installed_code)) { |
1762 _graal_installed_code = NULL; | |
1763 } | |
1764 } else { | |
1765 if (can_unload(is_alive, (oop*)&_graal_installed_code, unloading_occurred)) { | |
1766 return; | |
1767 } | |
1768 } | |
1769 } | |
13641
5a9afbf72714
Add a speculation oop for uncommon trap deoptimization. Save it in the SpeculationLog during deoptimization.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
13451
diff
changeset
|
1770 |
5a9afbf72714
Add a speculation oop for uncommon trap deoptimization. Save it in the SpeculationLog during deoptimization.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
13451
diff
changeset
|
1771 if (_speculation_log != NULL) { |
5a9afbf72714
Add a speculation oop for uncommon trap deoptimization. Save it in the SpeculationLog during deoptimization.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
13451
diff
changeset
|
1772 if (!is_alive->do_object_b(_speculation_log)) { |
5a9afbf72714
Add a speculation oop for uncommon trap deoptimization. Save it in the SpeculationLog during deoptimization.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
13451
diff
changeset
|
1773 _speculation_log = NULL; |
5a9afbf72714
Add a speculation oop for uncommon trap deoptimization. Save it in the SpeculationLog during deoptimization.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
13451
diff
changeset
|
1774 } |
5a9afbf72714
Add a speculation oop for uncommon trap deoptimization. Save it in the SpeculationLog during deoptimization.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
13451
diff
changeset
|
1775 } |
9707 | 1776 #endif |
1777 | |
0 | 1778 // Exception cache |
1779 ExceptionCache* ec = exception_cache(); | |
1780 while (ec != NULL) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1781 Klass* ex_klass = ec->exception_type(); |
0 | 1782 ExceptionCache* next_ec = ec->next(); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1783 if (ex_klass != NULL && !ex_klass->is_loader_alive(is_alive)) { |
0 | 1784 remove_from_exception_cache(ec); |
1785 } | |
1786 ec = next_ec; | |
1787 } | |
1788 | |
1789 // If class unloading occurred we first iterate over all inline caches and | |
1790 // clear ICs where the cached oop is referring to an unloaded klass or method. | |
1791 // The remaining live cached oops will be traversed in the relocInfo::oop_type | |
1792 // iteration below. | |
1793 if (unloading_occurred) { | |
1794 RelocIterator iter(this, low_boundary); | |
1795 while(iter.next()) { | |
1796 if (iter.type() == relocInfo::virtual_call_type) { | |
1797 CompiledIC *ic = CompiledIC_at(iter.reloc()); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1798 if (ic->is_icholder_call()) { |
0 | 1799 // The only exception is compiledICHolder oops which may |
1800 // yet be marked below. (We check this further below). | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1801 CompiledICHolder* cichk_oop = ic->cached_icholder(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1802 if (cichk_oop->holder_method()->method_holder()->is_loader_alive(is_alive) && |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1803 cichk_oop->holder_klass()->is_loader_alive(is_alive)) { |
13441 | 1804 continue; |
1805 } | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1806 } else { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1807 Metadata* ic_oop = ic->cached_metadata(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1808 if (ic_oop != NULL) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1809 if (ic_oop->is_klass()) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1810 if (((Klass*)ic_oop)->is_loader_alive(is_alive)) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1811 continue; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1812 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1813 } else if (ic_oop->is_method()) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1814 if (((Method*)ic_oop)->method_holder()->is_loader_alive(is_alive)) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1815 continue; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1816 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1817 } else { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1818 ShouldNotReachHere(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1819 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1820 } |
13441 | 1821 } |
1822 ic->set_to_clean(); | |
0 | 1823 } |
1824 } | |
1825 } | |
1826 | |
1827 // Compiled code | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1828 { |
0 | 1829 RelocIterator iter(this, low_boundary); |
1830 while (iter.next()) { | |
1831 if (iter.type() == relocInfo::oop_type) { | |
1832 oop_Relocation* r = iter.oop_reloc(); | |
1833 // In this loop, we must only traverse those oops directly embedded in | |
1834 // the code. Other oops (oop_index>0) are seen as part of scopes_oops. | |
1835 assert(1 == (r->oop_is_immediate()) + | |
1836 (r->oop_addr() >= oops_begin() && r->oop_addr() < oops_end()), | |
1837 "oop must be found in exactly one place"); | |
1838 if (r->oop_is_immediate() && r->oop_value() != NULL) { | |
6787
8966c2d65d96
7200470: KeepAliveClosure not needed in CodeCache::do_unloading
brutisso
parents:
6725
diff
changeset
|
1839 if (can_unload(is_alive, r->oop_addr(), unloading_occurred)) { |
0 | 1840 return; |
1841 } | |
1842 } | |
1843 } | |
1844 } | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1845 } |
0 | 1846 |
1847 | |
1848 // Scopes | |
1849 for (oop* p = oops_begin(); p < oops_end(); p++) { | |
1850 if (*p == Universe::non_oop_word()) continue; // skip non-oops | |
6787
8966c2d65d96
7200470: KeepAliveClosure not needed in CodeCache::do_unloading
brutisso
parents:
6725
diff
changeset
|
1851 if (can_unload(is_alive, p, unloading_occurred)) { |
0 | 1852 return; |
1853 } | |
1854 } | |
1855 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1856 // Ensure that all metadata is still alive |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1857 verify_metadata_loaders(low_boundary, is_alive); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1858 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1859 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1860 #ifdef ASSERT |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1861 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1862 class CheckClass : AllStatic { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1863 static BoolObjectClosure* _is_alive; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1864 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1865 // Check class_loader is alive for this bit of metadata. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1866 static void check_class(Metadata* md) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1867 Klass* klass = NULL; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1868 if (md->is_klass()) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1869 klass = ((Klass*)md); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1870 } else if (md->is_method()) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1871 klass = ((Method*)md)->method_holder(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1872 } else if (md->is_methodData()) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1873 klass = ((MethodData*)md)->method()->method_holder(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1874 } else { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1875 md->print(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1876 ShouldNotReachHere(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1877 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1878 assert(klass->is_loader_alive(_is_alive), "must be alive"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1879 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1880 public: |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1881 static void do_check_class(BoolObjectClosure* is_alive, nmethod* nm) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1882 assert(SafepointSynchronize::is_at_safepoint(), "this is only ok at safepoint"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1883 _is_alive = is_alive; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1884 nm->metadata_do(check_class); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1885 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1886 }; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1887 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1888 // This is called during a safepoint so can use static data |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1889 BoolObjectClosure* CheckClass::_is_alive = NULL; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1890 #endif // ASSERT |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1891 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1892 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1893 // Processing of oop references should have been sufficient to keep |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1894 // all strong references alive. Any weak references should have been |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1895 // cleared as well. Visit all the metadata and ensure that it's |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1896 // really alive. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1897 void nmethod::verify_metadata_loaders(address low_boundary, BoolObjectClosure* is_alive) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1898 #ifdef ASSERT |
0 | 1899 RelocIterator iter(this, low_boundary); |
1900 while (iter.next()) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1901 // static_stub_Relocations may have dangling references to |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1902 // Method*s so trim them out here. Otherwise it looks like |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1903 // compiled code is maintaining a link to dead metadata. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1904 address static_call_addr = NULL; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1905 if (iter.type() == relocInfo::opt_virtual_call_type) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1906 CompiledIC* cic = CompiledIC_at(iter.reloc()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1907 if (!cic->is_call_to_interpreted()) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1908 static_call_addr = iter.addr(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1909 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1910 } else if (iter.type() == relocInfo::static_call_type) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1911 CompiledStaticCall* csc = compiledStaticCall_at(iter.reloc()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1912 if (!csc->is_call_to_interpreted()) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1913 static_call_addr = iter.addr(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1914 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1915 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1916 if (static_call_addr != NULL) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1917 RelocIterator sciter(this, low_boundary); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1918 while (sciter.next()) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1919 if (sciter.type() == relocInfo::static_stub_type && |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1920 sciter.static_stub_reloc()->static_call() == static_call_addr) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1921 sciter.static_stub_reloc()->clear_inline_cache(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1922 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1923 } |
0 | 1924 } |
1925 } | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1926 // Check that the metadata embedded in the nmethod is alive |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1927 CheckClass::do_check_class(is_alive, this); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1928 #endif |
0 | 1929 } |
1930 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1931 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1932 // Iterate over metadata calling this function. Used by RedefineClasses |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1933 void nmethod::metadata_do(void f(Metadata*)) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1934 address low_boundary = verified_entry_point(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1935 if (is_not_entrant()) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1936 low_boundary += NativeJump::instruction_size; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1937 // %%% Note: On SPARC we patch only a 4-byte trap, not a full NativeJump. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1938 // (See comment above.) |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1939 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1940 { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1941 // Visit all immediate references that are embedded in the instruction stream. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1942 RelocIterator iter(this, low_boundary); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1943 while (iter.next()) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1944 if (iter.type() == relocInfo::metadata_type ) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1945 metadata_Relocation* r = iter.metadata_reloc(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1946 // In this lmetadata, we must only follow those metadatas directly embedded in |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1947 // the code. Other metadatas (oop_index>0) are seen as part of |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1948 // the metadata section below. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1949 assert(1 == (r->metadata_is_immediate()) + |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1950 (r->metadata_addr() >= metadata_begin() && r->metadata_addr() < metadata_end()), |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1951 "metadata must be found in exactly one place"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1952 if (r->metadata_is_immediate() && r->metadata_value() != NULL) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1953 Metadata* md = r->metadata_value(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1954 f(md); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1955 } |
10253
4674e409a9e6
8014024: NPG: keep compiled ic methods from being deallocated in redefine classes
coleenp
parents:
10114
diff
changeset
|
1956 } else if (iter.type() == relocInfo::virtual_call_type) { |
4674e409a9e6
8014024: NPG: keep compiled ic methods from being deallocated in redefine classes
coleenp
parents:
10114
diff
changeset
|
1957 // Check compiledIC holders associated with this nmethod |
4674e409a9e6
8014024: NPG: keep compiled ic methods from being deallocated in redefine classes
coleenp
parents:
10114
diff
changeset
|
1958 CompiledIC *ic = CompiledIC_at(iter.reloc()); |
4674e409a9e6
8014024: NPG: keep compiled ic methods from being deallocated in redefine classes
coleenp
parents:
10114
diff
changeset
|
1959 if (ic->is_icholder_call()) { |
4674e409a9e6
8014024: NPG: keep compiled ic methods from being deallocated in redefine classes
coleenp
parents:
10114
diff
changeset
|
1960 CompiledICHolder* cichk = ic->cached_icholder(); |
4674e409a9e6
8014024: NPG: keep compiled ic methods from being deallocated in redefine classes
coleenp
parents:
10114
diff
changeset
|
1961 f(cichk->holder_method()); |
4674e409a9e6
8014024: NPG: keep compiled ic methods from being deallocated in redefine classes
coleenp
parents:
10114
diff
changeset
|
1962 f(cichk->holder_klass()); |
4674e409a9e6
8014024: NPG: keep compiled ic methods from being deallocated in redefine classes
coleenp
parents:
10114
diff
changeset
|
1963 } else { |
4674e409a9e6
8014024: NPG: keep compiled ic methods from being deallocated in redefine classes
coleenp
parents:
10114
diff
changeset
|
1964 Metadata* ic_oop = ic->cached_metadata(); |
4674e409a9e6
8014024: NPG: keep compiled ic methods from being deallocated in redefine classes
coleenp
parents:
10114
diff
changeset
|
1965 if (ic_oop != NULL) { |
4674e409a9e6
8014024: NPG: keep compiled ic methods from being deallocated in redefine classes
coleenp
parents:
10114
diff
changeset
|
1966 f(ic_oop); |
4674e409a9e6
8014024: NPG: keep compiled ic methods from being deallocated in redefine classes
coleenp
parents:
10114
diff
changeset
|
1967 } |
4674e409a9e6
8014024: NPG: keep compiled ic methods from being deallocated in redefine classes
coleenp
parents:
10114
diff
changeset
|
1968 } |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1969 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1970 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1971 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1972 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1973 // Visit the metadata section |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1974 for (Metadata** p = metadata_begin(); p < metadata_end(); p++) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1975 if (*p == Universe::non_oop_word() || *p == NULL) continue; // skip non-oops |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1976 Metadata* md = *p; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1977 f(md); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1978 } |
10253
4674e409a9e6
8014024: NPG: keep compiled ic methods from being deallocated in redefine classes
coleenp
parents:
10114
diff
changeset
|
1979 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1980 // Call function Method*, not embedded in these other places. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1981 if (_method != NULL) f(_method); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1982 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1983 |
12080 | 1984 void nmethod::oops_do(OopClosure* f, bool allow_zombie) { |
0 | 1985 // make sure the oops ready to receive visitors |
12080 | 1986 assert(allow_zombie || !is_zombie(), "should not call follow on zombie nmethod"); |
1987 assert(!is_unloaded(), "should not call follow on unloaded nmethod"); | |
0 | 1988 |
1989 // If the method is not entrant or zombie then a JMP is plastered over the | |
1990 // first few bytes. If an oop in the old code was there, that oop | |
1991 // should not get GC'd. Skip the first few bytes of oops on | |
1992 // not-entrant methods. | |
1993 address low_boundary = verified_entry_point(); | |
14968
169caf662ac7
removed diff to upstream HS repo made unnecessary by GRAAL-605
Doug Simon <doug.simon@oracle.com>
parents:
14909
diff
changeset
|
1994 if (is_not_entrant()) { |
0 | 1995 low_boundary += NativeJump::instruction_size; |
1996 // %%% Note: On SPARC we patch only a 4-byte trap, not a full NativeJump. | |
1997 // (See comment above.) | |
1998 } | |
1999 | |
9707 | 2000 #ifdef GRAAL |
2001 if (_graal_installed_code != NULL) { | |
2002 f->do_oop((oop*) &_graal_installed_code); | |
2003 } | |
13641
5a9afbf72714
Add a speculation oop for uncommon trap deoptimization. Save it in the SpeculationLog during deoptimization.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
13451
diff
changeset
|
2004 if (_speculation_log != NULL) { |
5a9afbf72714
Add a speculation oop for uncommon trap deoptimization. Save it in the SpeculationLog during deoptimization.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
13451
diff
changeset
|
2005 f->do_oop((oop*) &_speculation_log); |
9707 | 2006 } |
2007 #endif | |
2008 | |
0 | 2009 RelocIterator iter(this, low_boundary); |
941 | 2010 |
0 | 2011 while (iter.next()) { |
2012 if (iter.type() == relocInfo::oop_type ) { | |
2013 oop_Relocation* r = iter.oop_reloc(); | |
2014 // In this loop, we must only follow those oops directly embedded in | |
2015 // the code. Other oops (oop_index>0) are seen as part of scopes_oops. | |
941 | 2016 assert(1 == (r->oop_is_immediate()) + |
2017 (r->oop_addr() >= oops_begin() && r->oop_addr() < oops_end()), | |
2018 "oop must be found in exactly one place"); | |
0 | 2019 if (r->oop_is_immediate() && r->oop_value() != NULL) { |
2020 f->do_oop(r->oop_addr()); | |
2021 } | |
2022 } | |
2023 } | |
2024 | |
2025 // Scopes | |
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2026 // This includes oop constants not inlined in the code stream. |
0 | 2027 for (oop* p = oops_begin(); p < oops_end(); p++) { |
2028 if (*p == Universe::non_oop_word()) continue; // skip non-oops | |
2029 f->do_oop(p); | |
2030 } | |
2031 } | |
2032 | |
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2033 #define NMETHOD_SENTINEL ((nmethod*)badAddress) |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2034 |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2035 nmethod* volatile nmethod::_oops_do_mark_nmethods; |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2036 |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2037 // An nmethod is "marked" if its _mark_link is set non-null. |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2038 // Even if it is the end of the linked list, it will have a non-null link value, |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2039 // as long as it is on the list. |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2040 // This code must be MP safe, because it is used from parallel GC passes. |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2041 bool nmethod::test_set_oops_do_mark() { |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2042 assert(nmethod::oops_do_marking_is_active(), "oops_do_marking_prologue must be called"); |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2043 nmethod* observed_mark_link = _oops_do_mark_link; |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2044 if (observed_mark_link == NULL) { |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2045 // Claim this nmethod for this thread to mark. |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2046 observed_mark_link = (nmethod*) |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2047 Atomic::cmpxchg_ptr(NMETHOD_SENTINEL, &_oops_do_mark_link, NULL); |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2048 if (observed_mark_link == NULL) { |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2049 |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2050 // Atomically append this nmethod (now claimed) to the head of the list: |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2051 nmethod* observed_mark_nmethods = _oops_do_mark_nmethods; |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2052 for (;;) { |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2053 nmethod* required_mark_nmethods = observed_mark_nmethods; |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2054 _oops_do_mark_link = required_mark_nmethods; |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2055 observed_mark_nmethods = (nmethod*) |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2056 Atomic::cmpxchg_ptr(this, &_oops_do_mark_nmethods, required_mark_nmethods); |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2057 if (observed_mark_nmethods == required_mark_nmethods) |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2058 break; |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2059 } |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2060 // Mark was clear when we first saw this guy. |
2405
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2376
diff
changeset
|
2061 NOT_PRODUCT(if (TraceScavenge) print_on(tty, "oops_do, mark")); |
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2062 return false; |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2063 } |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2064 } |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2065 // On fall through, another racing thread marked this nmethod before we did. |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2066 return true; |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2067 } |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2068 |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2069 void nmethod::oops_do_marking_prologue() { |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2070 NOT_PRODUCT(if (TraceScavenge) tty->print_cr("[oops_do_marking_prologue")); |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2071 assert(_oops_do_mark_nmethods == NULL, "must not call oops_do_marking_prologue twice in a row"); |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2072 // We use cmpxchg_ptr instead of regular assignment here because the user |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2073 // may fork a bunch of threads, and we need them all to see the same state. |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2074 void* observed = Atomic::cmpxchg_ptr(NMETHOD_SENTINEL, &_oops_do_mark_nmethods, NULL); |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2075 guarantee(observed == NULL, "no races in this sequential code"); |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2076 } |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2077 |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2078 void nmethod::oops_do_marking_epilogue() { |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2079 assert(_oops_do_mark_nmethods != NULL, "must not call oops_do_marking_epilogue twice in a row"); |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2080 nmethod* cur = _oops_do_mark_nmethods; |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2081 while (cur != NMETHOD_SENTINEL) { |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2082 assert(cur != NULL, "not NULL-terminated"); |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2083 nmethod* next = cur->_oops_do_mark_link; |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2084 cur->_oops_do_mark_link = NULL; |
2375
d673ef06fe96
7028374: race in fix_oop_relocations for scavengeable nmethods
never
parents:
2360
diff
changeset
|
2085 cur->fix_oop_relocations(); |
2405
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2376
diff
changeset
|
2086 NOT_PRODUCT(if (TraceScavenge) cur->print_on(tty, "oops_do, unmark")); |
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2087 cur = next; |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2088 } |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2089 void* required = _oops_do_mark_nmethods; |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2090 void* observed = Atomic::cmpxchg_ptr(NULL, &_oops_do_mark_nmethods, required); |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2091 guarantee(observed == required, "no races in this sequential code"); |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2092 NOT_PRODUCT(if (TraceScavenge) tty->print_cr("oops_do_marking_epilogue]")); |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2093 } |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2094 |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2095 class DetectScavengeRoot: public OopClosure { |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2096 bool _detected_scavenge_root; |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2097 public: |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2098 DetectScavengeRoot() : _detected_scavenge_root(false) |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2099 { NOT_PRODUCT(_print_nm = NULL); } |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2100 bool detected_scavenge_root() { return _detected_scavenge_root; } |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2101 virtual void do_oop(oop* p) { |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2102 if ((*p) != NULL && (*p)->is_scavengable()) { |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2103 NOT_PRODUCT(maybe_print(p)); |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2104 _detected_scavenge_root = true; |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2105 } |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2106 } |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2107 virtual void do_oop(narrowOop* p) { ShouldNotReachHere(); } |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2108 |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2109 #ifndef PRODUCT |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2110 nmethod* _print_nm; |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2111 void maybe_print(oop* p) { |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2112 if (_print_nm == NULL) return; |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2113 if (!_detected_scavenge_root) _print_nm->print_on(tty, "new scavenge root"); |
3377
2aa9ddbb9e60
7041789: 30% perf regression with c2/arm following 7017732
jmasa
parents:
2405
diff
changeset
|
2114 tty->print_cr(""PTR_FORMAT"[offset=%d] detected scavengable oop "PTR_FORMAT" (found at "PTR_FORMAT")", |
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2115 _print_nm, (int)((intptr_t)p - (intptr_t)_print_nm), |
12316
190899198332
7195622: CheckUnhandledOops has limited usefulness now
hseigel
parents:
12175
diff
changeset
|
2116 (void *)(*p), (intptr_t)p); |
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2117 (*p)->print(); |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2118 } |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2119 #endif //PRODUCT |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2120 }; |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2121 |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2122 bool nmethod::detect_scavenge_root_oops() { |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2123 DetectScavengeRoot detect_scavenge_root; |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2124 NOT_PRODUCT(if (TraceScavenge) detect_scavenge_root._print_nm = this); |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2125 oops_do(&detect_scavenge_root); |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2126 return detect_scavenge_root.detected_scavenge_root(); |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2127 } |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2128 |
0 | 2129 // Method that knows how to preserve outgoing arguments at call. This method must be |
2130 // called with a frame corresponding to a Java invoke | |
2131 void nmethod::preserve_callee_argument_oops(frame fr, const RegisterMap *reg_map, OopClosure* f) { | |
1692 | 2132 #ifndef SHARK |
0 | 2133 if (!method()->is_native()) { |
2134 SimpleScopeDesc ssd(this, fr.pc()); | |
2142 | 2135 Bytecode_invoke call(ssd.method(), ssd.bci()); |
10390 | 2136 bool has_receiver = call.has_receiver(); |
2137 bool has_appendix = call.has_appendix(); | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
2138 Symbol* signature = call.signature(); |
10390 | 2139 fr.oops_compiled_arguments_do(signature, has_receiver, has_appendix, reg_map, f); |
0 | 2140 } |
1692 | 2141 #endif // !SHARK |
0 | 2142 } |
2143 | |
2144 | |
2145 oop nmethod::embeddedOop_at(u_char* p) { | |
2349
4cd9add59b1e
7024866: # assert(limit == NULL || limit <= nm->code_end()) failed: in bounds
never
parents:
2321
diff
changeset
|
2146 RelocIterator iter(this, p, p + 1); |
0 | 2147 while (iter.next()) |
2148 if (iter.type() == relocInfo::oop_type) { | |
2149 return iter.oop_reloc()->oop_value(); | |
2150 } | |
2151 return NULL; | |
2152 } | |
2153 | |
2154 | |
2155 inline bool includes(void* p, void* from, void* to) { | |
2156 return from <= p && p < to; | |
2157 } | |
2158 | |
2159 | |
2160 void nmethod::copy_scopes_pcs(PcDesc* pcs, int count) { | |
2161 assert(count >= 2, "must be sentinel values, at least"); | |
2162 | |
2163 #ifdef ASSERT | |
2164 // must be sorted and unique; we do a binary search in find_pc_desc() | |
2165 int prev_offset = pcs[0].pc_offset(); | |
2166 assert(prev_offset == PcDesc::lower_offset_limit, | |
2167 "must start with a sentinel"); | |
2168 for (int i = 1; i < count; i++) { | |
2169 int this_offset = pcs[i].pc_offset(); | |
2170 assert(this_offset > prev_offset, "offsets must be sorted"); | |
2171 prev_offset = this_offset; | |
2172 } | |
2173 assert(prev_offset == PcDesc::upper_offset_limit, | |
2174 "must end with a sentinel"); | |
2175 #endif //ASSERT | |
2176 | |
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1109
diff
changeset
|
2177 // Search for MethodHandle invokes and tag the nmethod. |
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1109
diff
changeset
|
2178 for (int i = 0; i < count; i++) { |
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1109
diff
changeset
|
2179 if (pcs[i].is_method_handle_invoke()) { |
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1109
diff
changeset
|
2180 set_has_method_handle_invokes(true); |
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1109
diff
changeset
|
2181 break; |
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1109
diff
changeset
|
2182 } |
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1109
diff
changeset
|
2183 } |
2083
7d9caaedafce
6990933: assert(sender_cb) failed: sanity in frame::sender_for_interpreter_frame
twisti
parents:
1972
diff
changeset
|
2184 assert(has_method_handle_invokes() == (_deoptimize_mh_offset != -1), "must have deopt mh handler"); |
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1109
diff
changeset
|
2185 |
0 | 2186 int size = count * sizeof(PcDesc); |
2187 assert(scopes_pcs_size() >= size, "oob"); | |
2188 memcpy(scopes_pcs_begin(), pcs, size); | |
2189 | |
2190 // Adjust the final sentinel downward. | |
2191 PcDesc* last_pc = &scopes_pcs_begin()[count-1]; | |
2192 assert(last_pc->pc_offset() == PcDesc::upper_offset_limit, "sanity"); | |
1748 | 2193 last_pc->set_pc_offset(content_size() + 1); |
0 | 2194 for (; last_pc + 1 < scopes_pcs_end(); last_pc += 1) { |
2195 // Fill any rounding gaps with copies of the last record. | |
2196 last_pc[1] = last_pc[0]; | |
2197 } | |
2198 // The following assert could fail if sizeof(PcDesc) is not | |
2199 // an integral multiple of oopSize (the rounding term). | |
2200 // If it fails, change the logic to always allocate a multiple | |
2201 // of sizeof(PcDesc), and fill unused words with copies of *last_pc. | |
2202 assert(last_pc + 1 == scopes_pcs_end(), "must match exactly"); | |
2203 } | |
2204 | |
2205 void nmethod::copy_scopes_data(u_char* buffer, int size) { | |
2206 assert(scopes_data_size() >= size, "oob"); | |
2207 memcpy(scopes_data_begin(), buffer, size); | |
2208 } | |
2209 | |
2210 | |
2211 #ifdef ASSERT | |
2212 static PcDesc* linear_search(nmethod* nm, int pc_offset, bool approximate) { | |
2213 PcDesc* lower = nm->scopes_pcs_begin(); | |
2214 PcDesc* upper = nm->scopes_pcs_end(); | |
2215 lower += 1; // exclude initial sentinel | |
2216 PcDesc* res = NULL; | |
2217 for (PcDesc* p = lower; p < upper; p++) { | |
12675
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
2218 NOT_PRODUCT(--pc_nmethod_stats.pc_desc_tests); // don't count this call to match_desc |
0 | 2219 if (match_desc(p, pc_offset, approximate)) { |
2220 if (res == NULL) | |
2221 res = p; | |
2222 else | |
2223 res = (PcDesc*) badAddress; | |
2224 } | |
2225 } | |
2226 return res; | |
2227 } | |
2228 #endif | |
2229 | |
2230 | |
2231 // Finds a PcDesc with real-pc equal to "pc" | |
2232 PcDesc* nmethod::find_pc_desc_internal(address pc, bool approximate) { | |
1748 | 2233 address base_address = code_begin(); |
0 | 2234 if ((pc < base_address) || |
2235 (pc - base_address) >= (ptrdiff_t) PcDesc::upper_offset_limit) { | |
2236 return NULL; // PC is wildly out of range | |
2237 } | |
2238 int pc_offset = (int) (pc - base_address); | |
2239 | |
2240 // Check the PcDesc cache if it contains the desired PcDesc | |
2241 // (This as an almost 100% hit rate.) | |
2242 PcDesc* res = _pc_desc_cache.find_pc_desc(pc_offset, approximate); | |
2243 if (res != NULL) { | |
2244 assert(res == linear_search(this, pc_offset, approximate), "cache ok"); | |
2245 return res; | |
2246 } | |
2247 | |
2248 // Fallback algorithm: quasi-linear search for the PcDesc | |
2249 // Find the last pc_offset less than the given offset. | |
2250 // The successor must be the required match, if there is a match at all. | |
2251 // (Use a fixed radix to avoid expensive affine pointer arithmetic.) | |
2252 PcDesc* lower = scopes_pcs_begin(); | |
2253 PcDesc* upper = scopes_pcs_end(); | |
2254 upper -= 1; // exclude final sentinel | |
2255 if (lower >= upper) return NULL; // native method; no PcDescs at all | |
2256 | |
2257 #define assert_LU_OK \ | |
2258 /* invariant on lower..upper during the following search: */ \ | |
2259 assert(lower->pc_offset() < pc_offset, "sanity"); \ | |
2260 assert(upper->pc_offset() >= pc_offset, "sanity") | |
2261 assert_LU_OK; | |
2262 | |
2263 // Use the last successful return as a split point. | |
2264 PcDesc* mid = _pc_desc_cache.last_pc_desc(); | |
12675
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
2265 NOT_PRODUCT(++pc_nmethod_stats.pc_desc_searches); |
0 | 2266 if (mid->pc_offset() < pc_offset) { |
2267 lower = mid; | |
2268 } else { | |
2269 upper = mid; | |
2270 } | |
2271 | |
2272 // Take giant steps at first (4096, then 256, then 16, then 1) | |
2273 const int LOG2_RADIX = 4 /*smaller steps in debug mode:*/ debug_only(-1); | |
2274 const int RADIX = (1 << LOG2_RADIX); | |
2275 for (int step = (1 << (LOG2_RADIX*3)); step > 1; step >>= LOG2_RADIX) { | |
2276 while ((mid = lower + step) < upper) { | |
2277 assert_LU_OK; | |
12675
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
2278 NOT_PRODUCT(++pc_nmethod_stats.pc_desc_searches); |
0 | 2279 if (mid->pc_offset() < pc_offset) { |
2280 lower = mid; | |
2281 } else { | |
2282 upper = mid; | |
2283 break; | |
2284 } | |
2285 } | |
2286 assert_LU_OK; | |
2287 } | |
2288 | |
2289 // Sneak up on the value with a linear search of length ~16. | |
2290 while (true) { | |
2291 assert_LU_OK; | |
2292 mid = lower + 1; | |
12675
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
2293 NOT_PRODUCT(++pc_nmethod_stats.pc_desc_searches); |
0 | 2294 if (mid->pc_offset() < pc_offset) { |
2295 lower = mid; | |
2296 } else { | |
2297 upper = mid; | |
2298 break; | |
2299 } | |
2300 } | |
2301 #undef assert_LU_OK | |
2302 | |
2303 if (match_desc(upper, pc_offset, approximate)) { | |
2304 assert(upper == linear_search(this, pc_offset, approximate), "search ok"); | |
2305 _pc_desc_cache.add_pc_desc(upper); | |
2306 return upper; | |
2307 } else { | |
2308 assert(NULL == linear_search(this, pc_offset, approximate), "search ok"); | |
2309 return NULL; | |
2310 } | |
2311 } | |
2312 | |
2313 | |
14909 | 2314 bool nmethod::check_all_dependencies() { |
2315 bool found_check = false; | |
2316 // wholesale check of all dependencies | |
2317 for (Dependencies::DepStream deps(this); deps.next(); ) { | |
2318 if (deps.check_dependency() != NULL) { | |
2319 found_check = true; | |
2320 NOT_DEBUG(break); | |
0 | 2321 } |
2322 } | |
14909 | 2323 return found_check; // tell caller if we found anything |
0 | 2324 } |
2325 | |
2326 bool nmethod::check_dependency_on(DepChange& changes) { | |
2327 // What has happened: | |
2328 // 1) a new class dependee has been added | |
2329 // 2) dependee and all its super classes have been marked | |
2330 bool found_check = false; // set true if we are upset | |
2331 for (Dependencies::DepStream deps(this); deps.next(); ) { | |
2332 // Evaluate only relevant dependencies. | |
2333 if (deps.spot_check_dependency_at(changes) != NULL) { | |
2334 found_check = true; | |
2335 NOT_DEBUG(break); | |
2336 } | |
2337 } | |
2338 return found_check; | |
2339 } | |
2340 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2341 bool nmethod::is_evol_dependent_on(Klass* dependee) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2342 InstanceKlass *dependee_ik = InstanceKlass::cast(dependee); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2343 Array<Method*>* dependee_methods = dependee_ik->methods(); |
0 | 2344 for (Dependencies::DepStream deps(this); deps.next(); ) { |
2345 if (deps.type() == Dependencies::evol_method) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2346 Method* method = deps.method_argument(0); |
0 | 2347 for (int j = 0; j < dependee_methods->length(); j++) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2348 if (dependee_methods->at(j) == method) { |
0 | 2349 // RC_TRACE macro has an embedded ResourceMark |
2350 RC_TRACE(0x01000000, | |
2351 ("Found evol dependency of nmethod %s.%s(%s) compile_id=%d on method %s.%s(%s)", | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2352 _method->method_holder()->external_name(), |
0 | 2353 _method->name()->as_C_string(), |
2354 _method->signature()->as_C_string(), compile_id(), | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2355 method->method_holder()->external_name(), |
0 | 2356 method->name()->as_C_string(), |
2357 method->signature()->as_C_string())); | |
2358 if (TraceDependencies || LogCompilation) | |
2359 deps.log_dependency(dependee); | |
2360 return true; | |
2361 } | |
2362 } | |
2363 } | |
2364 } | |
2365 return false; | |
2366 } | |
2367 | |
2368 // Called from mark_for_deoptimization, when dependee is invalidated. | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2369 bool nmethod::is_dependent_on_method(Method* dependee) { |
0 | 2370 for (Dependencies::DepStream deps(this); deps.next(); ) { |
2371 if (deps.type() != Dependencies::evol_method) | |
2372 continue; | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2373 Method* method = deps.method_argument(0); |
0 | 2374 if (method == dependee) return true; |
2375 } | |
2376 return false; | |
2377 } | |
2378 | |
2379 | |
2380 bool nmethod::is_patchable_at(address instr_addr) { | |
1748 | 2381 assert(insts_contains(instr_addr), "wrong nmethod used"); |
0 | 2382 if (is_zombie()) { |
2383 // a zombie may never be patched | |
2384 return false; | |
2385 } | |
2386 return true; | |
2387 } | |
2388 | |
2389 | |
2390 address nmethod::continuation_for_implicit_exception(address pc) { | |
2391 // Exception happened outside inline-cache check code => we are inside | |
2392 // an active nmethod => use cpc to determine a return address | |
1748 | 2393 int exception_offset = pc - code_begin(); |
0 | 2394 int cont_offset = ImplicitExceptionTable(this).at( exception_offset ); |
2395 #ifdef ASSERT | |
2396 if (cont_offset == 0) { | |
2397 Thread* thread = ThreadLocalStorage::get_thread_slow(); | |
2398 ResetNoHandleMark rnm; // Might be called from LEAF/QUICK ENTRY | |
2399 HandleMark hm(thread); | |
2400 ResourceMark rm(thread); | |
2401 CodeBlob* cb = CodeCache::find_blob(pc); | |
2402 assert(cb != NULL && cb == this, ""); | |
2403 tty->print_cr("implicit exception happened at " INTPTR_FORMAT, pc); | |
2404 print(); | |
2405 method()->print_codes(); | |
2406 print_code(); | |
2407 print_pcs(); | |
2408 } | |
2409 #endif | |
1250 | 2410 if (cont_offset == 0) { |
2411 // Let the normal error handling report the exception | |
2412 return NULL; | |
2413 } | |
1748 | 2414 return code_begin() + cont_offset; |
0 | 2415 } |
2416 | |
2417 | |
2418 | |
2419 void nmethod_init() { | |
2420 // make sure you didn't forget to adjust the filler fields | |
2421 assert(sizeof(nmethod) % oopSize == 0, "nmethod size must be multiple of a word"); | |
2422 } | |
2423 | |
2424 | |
2425 //------------------------------------------------------------------------------------------- | |
2426 | |
2427 | |
2428 // QQQ might we make this work from a frame?? | |
2429 nmethodLocker::nmethodLocker(address pc) { | |
2430 CodeBlob* cb = CodeCache::find_blob(pc); | |
2431 guarantee(cb != NULL && cb->is_nmethod(), "bad pc for a nmethod found"); | |
2432 _nm = (nmethod*)cb; | |
2433 lock_nmethod(_nm); | |
2434 } | |
2435 | |
2342
46a56fac55c7
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
2321
diff
changeset
|
2436 // Only JvmtiDeferredEvent::compiled_method_unload_event() |
46a56fac55c7
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
2321
diff
changeset
|
2437 // should pass zombie_ok == true. |
46a56fac55c7
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
2321
diff
changeset
|
2438 void nmethodLocker::lock_nmethod(nmethod* nm, bool zombie_ok) { |
0 | 2439 if (nm == NULL) return; |
2440 Atomic::inc(&nm->_lock_count); | |
2342
46a56fac55c7
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
2321
diff
changeset
|
2441 guarantee(zombie_ok || !nm->is_zombie(), "cannot lock a zombie method"); |
0 | 2442 } |
2443 | |
2444 void nmethodLocker::unlock_nmethod(nmethod* nm) { | |
2445 if (nm == NULL) return; | |
2446 Atomic::dec(&nm->_lock_count); | |
2447 guarantee(nm->_lock_count >= 0, "unmatched nmethod lock/unlock"); | |
2448 } | |
2449 | |
1204 | 2450 |
2451 // ----------------------------------------------------------------------------- | |
2452 // nmethod::get_deopt_original_pc | |
2453 // | |
2454 // Return the original PC for the given PC if: | |
2455 // (a) the given PC belongs to a nmethod and | |
2456 // (b) it is a deopt PC | |
2457 address nmethod::get_deopt_original_pc(const frame* fr) { | |
2458 if (fr->cb() == NULL) return NULL; | |
2459 | |
2460 nmethod* nm = fr->cb()->as_nmethod_or_null(); | |
2461 if (nm != NULL && nm->is_deopt_pc(fr->pc())) | |
2462 return nm->get_original_pc(fr); | |
2463 | |
2464 return NULL; | |
0 | 2465 } |
2466 | |
2467 | |
2468 // ----------------------------------------------------------------------------- | |
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1109
diff
changeset
|
2469 // MethodHandle |
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1109
diff
changeset
|
2470 |
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1109
diff
changeset
|
2471 bool nmethod::is_method_handle_return(address return_pc) { |
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1109
diff
changeset
|
2472 if (!has_method_handle_invokes()) return false; |
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1109
diff
changeset
|
2473 PcDesc* pd = pc_desc_at(return_pc); |
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1109
diff
changeset
|
2474 if (pd == NULL) |
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1109
diff
changeset
|
2475 return false; |
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1109
diff
changeset
|
2476 return pd->is_method_handle_invoke(); |
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1109
diff
changeset
|
2477 } |
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1109
diff
changeset
|
2478 |
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1109
diff
changeset
|
2479 |
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1109
diff
changeset
|
2480 // ----------------------------------------------------------------------------- |
0 | 2481 // Verification |
2482 | |
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2483 class VerifyOopsClosure: public OopClosure { |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2484 nmethod* _nm; |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2485 bool _ok; |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2486 public: |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2487 VerifyOopsClosure(nmethod* nm) : _nm(nm), _ok(true) { } |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2488 bool ok() { return _ok; } |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2489 virtual void do_oop(oop* p) { |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2490 if ((*p) == NULL || (*p)->is_oop()) return; |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2491 if (_ok) { |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2492 _nm->print_nmethod(true); |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2493 _ok = false; |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2494 } |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2495 tty->print_cr("*** non-oop "PTR_FORMAT" found at "PTR_FORMAT" (offset %d)", |
12316
190899198332
7195622: CheckUnhandledOops has limited usefulness now
hseigel
parents:
12175
diff
changeset
|
2496 (void *)(*p), (intptr_t)p, (int)((intptr_t)p - (intptr_t)_nm)); |
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2497 } |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2498 virtual void do_oop(narrowOop* p) { ShouldNotReachHere(); } |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2499 }; |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2500 |
0 | 2501 void nmethod::verify() { |
2502 | |
2503 // Hmm. OSR methods can be deopted but not marked as zombie or not_entrant | |
2504 // seems odd. | |
2505 | |
2506 if( is_zombie() || is_not_entrant() ) | |
2507 return; | |
2508 | |
2509 // Make sure all the entry points are correctly aligned for patching. | |
2510 NativeJump::check_verified_entry_alignment(entry_point(), verified_entry_point()); | |
2511 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2512 // assert(method()->is_oop(), "must be valid"); |
0 | 2513 |
2514 ResourceMark rm; | |
2515 | |
2516 if (!CodeCache::contains(this)) { | |
1490
f03d0a26bf83
6888954: argument formatting for assert() and friends
jcoomes
parents:
1489
diff
changeset
|
2517 fatal(err_msg("nmethod at " INTPTR_FORMAT " not in zone", this)); |
0 | 2518 } |
2519 | |
2520 if(is_native_method() ) | |
2521 return; | |
2522 | |
2523 nmethod* nm = CodeCache::find_nmethod(verified_entry_point()); | |
2524 if (nm != this) { | |
1490
f03d0a26bf83
6888954: argument formatting for assert() and friends
jcoomes
parents:
1489
diff
changeset
|
2525 fatal(err_msg("findNMethod did not find this nmethod (" INTPTR_FORMAT ")", |
f03d0a26bf83
6888954: argument formatting for assert() and friends
jcoomes
parents:
1489
diff
changeset
|
2526 this)); |
0 | 2527 } |
2528 | |
2529 for (PcDesc* p = scopes_pcs_begin(); p < scopes_pcs_end(); p++) { | |
2530 if (! p->verify(this)) { | |
2531 tty->print_cr("\t\tin nmethod at " INTPTR_FORMAT " (pcs)", this); | |
2532 } | |
2533 } | |
2534 | |
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2535 VerifyOopsClosure voc(this); |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2536 oops_do(&voc); |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2537 assert(voc.ok(), "embedded oops must be OK"); |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2538 verify_scavenge_root_oops(); |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2539 |
0 | 2540 verify_scopes(); |
2541 } | |
2542 | |
2543 | |
2544 void nmethod::verify_interrupt_point(address call_site) { | |
13071
e2509677809c
8023037: Race between ciEnv::register_method and nmethod::make_not_entrant_or_zombie
vlivanov
parents:
12334
diff
changeset
|
2545 // Verify IC only when nmethod installation is finished. |
13441 | 2546 bool is_installed = (method()->code() == this) // nmethod is in state 'in_use' and installed |
2547 || !this->is_in_use(); // nmethod is installed, but not in 'in_use' state | |
13071
e2509677809c
8023037: Race between ciEnv::register_method and nmethod::make_not_entrant_or_zombie
vlivanov
parents:
12334
diff
changeset
|
2548 if (is_installed) { |
e2509677809c
8023037: Race between ciEnv::register_method and nmethod::make_not_entrant_or_zombie
vlivanov
parents:
12334
diff
changeset
|
2549 Thread *cur = Thread::current(); |
e2509677809c
8023037: Race between ciEnv::register_method and nmethod::make_not_entrant_or_zombie
vlivanov
parents:
12334
diff
changeset
|
2550 if (CompiledIC_lock->owner() == cur || |
e2509677809c
8023037: Race between ciEnv::register_method and nmethod::make_not_entrant_or_zombie
vlivanov
parents:
12334
diff
changeset
|
2551 ((cur->is_VM_thread() || cur->is_ConcurrentGC_thread()) && |
e2509677809c
8023037: Race between ciEnv::register_method and nmethod::make_not_entrant_or_zombie
vlivanov
parents:
12334
diff
changeset
|
2552 SafepointSynchronize::is_at_safepoint())) { |
e2509677809c
8023037: Race between ciEnv::register_method and nmethod::make_not_entrant_or_zombie
vlivanov
parents:
12334
diff
changeset
|
2553 CompiledIC_at(this, call_site); |
e2509677809c
8023037: Race between ciEnv::register_method and nmethod::make_not_entrant_or_zombie
vlivanov
parents:
12334
diff
changeset
|
2554 CHECK_UNHANDLED_OOPS_ONLY(Thread::current()->clear_unhandled_oops()); |
e2509677809c
8023037: Race between ciEnv::register_method and nmethod::make_not_entrant_or_zombie
vlivanov
parents:
12334
diff
changeset
|
2555 } else { |
e2509677809c
8023037: Race between ciEnv::register_method and nmethod::make_not_entrant_or_zombie
vlivanov
parents:
12334
diff
changeset
|
2556 MutexLocker ml_verify (CompiledIC_lock); |
e2509677809c
8023037: Race between ciEnv::register_method and nmethod::make_not_entrant_or_zombie
vlivanov
parents:
12334
diff
changeset
|
2557 CompiledIC_at(this, call_site); |
e2509677809c
8023037: Race between ciEnv::register_method and nmethod::make_not_entrant_or_zombie
vlivanov
parents:
12334
diff
changeset
|
2558 } |
0 | 2559 } |
13071
e2509677809c
8023037: Race between ciEnv::register_method and nmethod::make_not_entrant_or_zombie
vlivanov
parents:
12334
diff
changeset
|
2560 |
e2509677809c
8023037: Race between ciEnv::register_method and nmethod::make_not_entrant_or_zombie
vlivanov
parents:
12334
diff
changeset
|
2561 PcDesc* pd = pc_desc_at(nativeCall_at(call_site)->return_address()); |
0 | 2562 assert(pd != NULL, "PcDesc must exist"); |
2563 for (ScopeDesc* sd = new ScopeDesc(this, pd->scope_decode_offset(), | |
9707 | 2564 pd->obj_decode_offset(), pd->should_reexecute(), pd->rethrow_exception(), |
1253
f70b0d9ab095
6910618: C2: Error: assert(d->is_oop(),"JVM_ArrayCopy: dst not an oop")
kvn
parents:
1250
diff
changeset
|
2565 pd->return_oop()); |
0 | 2566 !sd->is_top(); sd = sd->sender()) { |
2567 sd->verify(); | |
2568 } | |
2569 } | |
2570 | |
2571 void nmethod::verify_scopes() { | |
2572 if( !method() ) return; // Runtime stubs have no scope | |
2573 if (method()->is_native()) return; // Ignore stub methods. | |
2574 // iterate through all interrupt point | |
2575 // and verify the debug information is valid. | |
2576 RelocIterator iter((nmethod*)this); | |
2577 while (iter.next()) { | |
2578 address stub = NULL; | |
2579 switch (iter.type()) { | |
2580 case relocInfo::virtual_call_type: | |
2581 verify_interrupt_point(iter.addr()); | |
2582 break; | |
2583 case relocInfo::opt_virtual_call_type: | |
2584 stub = iter.opt_virtual_call_reloc()->static_stub(); | |
2585 verify_interrupt_point(iter.addr()); | |
2586 break; | |
2587 case relocInfo::static_call_type: | |
2588 stub = iter.static_call_reloc()->static_stub(); | |
2589 //verify_interrupt_point(iter.addr()); | |
2590 break; | |
2591 case relocInfo::runtime_call_type: | |
2592 address destination = iter.reloc()->value(); | |
2593 // Right now there is no way to find out which entries support | |
2594 // an interrupt point. It would be nice if we had this | |
2595 // information in a table. | |
2596 break; | |
2597 } | |
2598 assert(stub == NULL || stub_contains(stub), "static call stub outside stub section"); | |
2599 } | |
2600 } | |
2601 | |
2602 | |
2603 // ----------------------------------------------------------------------------- | |
2604 // Non-product code | |
2605 #ifndef PRODUCT | |
2606 | |
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2607 class DebugScavengeRoot: public OopClosure { |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2608 nmethod* _nm; |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2609 bool _ok; |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2610 public: |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2611 DebugScavengeRoot(nmethod* nm) : _nm(nm), _ok(true) { } |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2612 bool ok() { return _ok; } |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2613 virtual void do_oop(oop* p) { |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2614 if ((*p) == NULL || !(*p)->is_scavengable()) return; |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2615 if (_ok) { |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2616 _nm->print_nmethod(true); |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2617 _ok = false; |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2618 } |
3377
2aa9ddbb9e60
7041789: 30% perf regression with c2/arm following 7017732
jmasa
parents:
2405
diff
changeset
|
2619 tty->print_cr("*** scavengable oop "PTR_FORMAT" found at "PTR_FORMAT" (offset %d)", |
12316
190899198332
7195622: CheckUnhandledOops has limited usefulness now
hseigel
parents:
12175
diff
changeset
|
2620 (void *)(*p), (intptr_t)p, (int)((intptr_t)p - (intptr_t)_nm)); |
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2621 (*p)->print(); |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2622 } |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2623 virtual void do_oop(narrowOop* p) { ShouldNotReachHere(); } |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2624 }; |
0 | 2625 |
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2626 void nmethod::verify_scavenge_root_oops() { |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2627 if (!on_scavenge_root_list()) { |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2628 // Actually look inside, to verify the claim that it's clean. |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2629 DebugScavengeRoot debug_scavenge_root(this); |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2630 oops_do(&debug_scavenge_root); |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2631 if (!debug_scavenge_root.ok()) |
3377
2aa9ddbb9e60
7041789: 30% perf regression with c2/arm following 7017732
jmasa
parents:
2405
diff
changeset
|
2632 fatal("found an unadvertised bad scavengable oop in the code cache"); |
0 | 2633 } |
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2634 assert(scavenge_root_not_marked(), ""); |
0 | 2635 } |
2636 | |
100
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
30
diff
changeset
|
2637 #endif // PRODUCT |
0 | 2638 |
2639 // Printing operations | |
2640 | |
2641 void nmethod::print() const { | |
2642 ResourceMark rm; | |
2643 ttyLocker ttyl; // keep the following output all in one block | |
2644 | |
2405
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2376
diff
changeset
|
2645 tty->print("Compiled method "); |
0 | 2646 |
2647 if (is_compiled_by_c1()) { | |
2648 tty->print("(c1) "); | |
2649 } else if (is_compiled_by_c2()) { | |
2650 tty->print("(c2) "); | |
1692 | 2651 } else if (is_compiled_by_shark()) { |
2652 tty->print("(shark) "); | |
9707 | 2653 } else if (is_compiled_by_graal()) { |
2654 tty->print("(Graal) "); | |
0 | 2655 } else { |
2656 tty->print("(nm) "); | |
2657 } | |
2658 | |
2405
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2376
diff
changeset
|
2659 print_on(tty, NULL); |
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2376
diff
changeset
|
2660 |
0 | 2661 if (WizardMode) { |
2662 tty->print("((nmethod*) "INTPTR_FORMAT ") ", this); | |
2663 tty->print(" for method " INTPTR_FORMAT , (address)method()); | |
2664 tty->print(" { "); | |
2665 if (is_in_use()) tty->print("in_use "); | |
2666 if (is_not_entrant()) tty->print("not_entrant "); | |
2667 if (is_zombie()) tty->print("zombie "); | |
2668 if (is_unloaded()) tty->print("unloaded "); | |
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
931
diff
changeset
|
2669 if (on_scavenge_root_list()) tty->print("scavenge_root "); |
0 | 2670 tty->print_cr("}:"); |
2671 } | |
2672 if (size () > 0) tty->print_cr(" total in heap [" INTPTR_FORMAT "," INTPTR_FORMAT "] = %d", | |
2673 (address)this, | |
2674 (address)this + size(), | |
2675 size()); | |
2676 if (relocation_size () > 0) tty->print_cr(" relocation [" INTPTR_FORMAT "," INTPTR_FORMAT "] = %d", | |
2677 relocation_begin(), | |
2678 relocation_end(), | |
2679 relocation_size()); | |
1762
0878d7bae69f
6961697: move nmethod constants section before instruction section
twisti
parents:
1748
diff
changeset
|
2680 if (consts_size () > 0) tty->print_cr(" constants [" INTPTR_FORMAT "," INTPTR_FORMAT "] = %d", |
0878d7bae69f
6961697: move nmethod constants section before instruction section
twisti
parents:
1748
diff
changeset
|
2681 consts_begin(), |
0878d7bae69f
6961697: move nmethod constants section before instruction section
twisti
parents:
1748
diff
changeset
|
2682 consts_end(), |
0878d7bae69f
6961697: move nmethod constants section before instruction section
twisti
parents:
1748
diff
changeset
|
2683 consts_size()); |
1748 | 2684 if (insts_size () > 0) tty->print_cr(" main code [" INTPTR_FORMAT "," INTPTR_FORMAT "] = %d", |
2685 insts_begin(), | |
2686 insts_end(), | |
2687 insts_size()); | |
0 | 2688 if (stub_size () > 0) tty->print_cr(" stub code [" INTPTR_FORMAT "," INTPTR_FORMAT "] = %d", |
2689 stub_begin(), | |
2690 stub_end(), | |
2691 stub_size()); | |
1563
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
2692 if (oops_size () > 0) tty->print_cr(" oops [" INTPTR_FORMAT "," INTPTR_FORMAT "] = %d", |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
2693 oops_begin(), |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
2694 oops_end(), |
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
2695 oops_size()); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2696 if (metadata_size () > 0) tty->print_cr(" metadata [" INTPTR_FORMAT "," INTPTR_FORMAT "] = %d", |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2697 metadata_begin(), |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2698 metadata_end(), |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2699 metadata_size()); |
0 | 2700 if (scopes_data_size () > 0) tty->print_cr(" scopes data [" INTPTR_FORMAT "," INTPTR_FORMAT "] = %d", |
2701 scopes_data_begin(), | |
2702 scopes_data_end(), | |
2703 scopes_data_size()); | |
2704 if (scopes_pcs_size () > 0) tty->print_cr(" scopes pcs [" INTPTR_FORMAT "," INTPTR_FORMAT "] = %d", | |
2705 scopes_pcs_begin(), | |
2706 scopes_pcs_end(), | |
2707 scopes_pcs_size()); | |
2708 if (dependencies_size () > 0) tty->print_cr(" dependencies [" INTPTR_FORMAT "," INTPTR_FORMAT "] = %d", | |
2709 dependencies_begin(), | |
2710 dependencies_end(), | |
2711 dependencies_size()); | |
2712 if (handler_table_size() > 0) tty->print_cr(" handler table [" INTPTR_FORMAT "," INTPTR_FORMAT "] = %d", | |
2713 handler_table_begin(), | |
2714 handler_table_end(), | |
2715 handler_table_size()); | |
2716 if (nul_chk_table_size() > 0) tty->print_cr(" nul chk table [" INTPTR_FORMAT "," INTPTR_FORMAT "] = %d", | |
2717 nul_chk_table_begin(), | |
2718 nul_chk_table_end(), | |
2719 nul_chk_table_size()); | |
2720 } | |
2721 | |
100
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
30
diff
changeset
|
2722 void nmethod::print_code() { |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
30
diff
changeset
|
2723 HandleMark hm; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
30
diff
changeset
|
2724 ResourceMark m; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
30
diff
changeset
|
2725 Disassembler::decode(this); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
30
diff
changeset
|
2726 } |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
30
diff
changeset
|
2727 |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
30
diff
changeset
|
2728 |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
30
diff
changeset
|
2729 #ifndef PRODUCT |
0 | 2730 |
2731 void nmethod::print_scopes() { | |
2732 // Find the first pc desc for all scopes in the code and print it. | |
2733 ResourceMark rm; | |
2734 for (PcDesc* p = scopes_pcs_begin(); p < scopes_pcs_end(); p++) { | |
2735 if (p->scope_decode_offset() == DebugInformationRecorder::serialized_null) | |
2736 continue; | |
2737 | |
2738 ScopeDesc* sd = scope_desc_at(p->real_pc(this)); | |
2739 sd->print_on(tty, p); | |
2740 } | |
2741 } | |
2742 | |
2743 void nmethod::print_dependencies() { | |
2744 ResourceMark rm; | |
2745 ttyLocker ttyl; // keep the following output all in one block | |
2746 tty->print_cr("Dependencies:"); | |
2747 for (Dependencies::DepStream deps(this); deps.next(); ) { | |
2748 deps.print_dependency(); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2749 Klass* ctxk = deps.context_type(); |
0 | 2750 if (ctxk != NULL) { |
6983 | 2751 if (ctxk->oop_is_instance() && ((InstanceKlass*)ctxk)->is_dependent_nmethod(this)) { |
2752 tty->print_cr(" [nmethod<=klass]%s", ctxk->external_name()); | |
0 | 2753 } |
2754 } | |
2755 deps.log_dependency(); // put it into the xml log also | |
2756 } | |
2757 } | |
2758 | |
2759 | |
2760 void nmethod::print_relocations() { | |
2761 ResourceMark m; // in case methods get printed via the debugger | |
2762 tty->print_cr("relocations:"); | |
2763 RelocIterator iter(this); | |
2764 iter.print(); | |
2765 if (UseRelocIndex) { | |
2766 jint* index_end = (jint*)relocation_end() - 1; | |
2767 jint index_size = *index_end; | |
2768 jint* index_start = (jint*)( (address)index_end - index_size ); | |
2769 tty->print_cr(" index @" INTPTR_FORMAT ": index_size=%d", index_start, index_size); | |
2770 if (index_size > 0) { | |
2771 jint* ip; | |
2772 for (ip = index_start; ip+2 <= index_end; ip += 2) | |
2773 tty->print_cr(" (%d %d) addr=" INTPTR_FORMAT " @" INTPTR_FORMAT, | |
2774 ip[0], | |
2775 ip[1], | |
2776 header_end()+ip[0], | |
2777 relocation_begin()-1+ip[1]); | |
2778 for (; ip < index_end; ip++) | |
2779 tty->print_cr(" (%d ?)", ip[0]); | |
10973
ef57c43512d6
8014431: cleanup warnings indicated by the -Wunused-value compiler option on linux
ccheung
parents:
10390
diff
changeset
|
2780 tty->print_cr(" @" INTPTR_FORMAT ": index_size=%d", ip, *ip); |
ef57c43512d6
8014431: cleanup warnings indicated by the -Wunused-value compiler option on linux
ccheung
parents:
10390
diff
changeset
|
2781 ip++; |
0 | 2782 tty->print_cr("reloc_end @" INTPTR_FORMAT ":", ip); |
2783 } | |
2784 } | |
2785 } | |
2786 | |
2787 | |
2788 void nmethod::print_pcs() { | |
2789 ResourceMark m; // in case methods get printed via debugger | |
2790 tty->print_cr("pc-bytecode offsets:"); | |
2791 for (PcDesc* p = scopes_pcs_begin(); p < scopes_pcs_end(); p++) { | |
2792 p->print(this); | |
2793 } | |
2794 } | |
2795 | |
100
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
30
diff
changeset
|
2796 #endif // PRODUCT |
0 | 2797 |
2798 const char* nmethod::reloc_string_for(u_char* begin, u_char* end) { | |
2799 RelocIterator iter(this, begin, end); | |
2800 bool have_one = false; | |
2801 while (iter.next()) { | |
2802 have_one = true; | |
2803 switch (iter.type()) { | |
2804 case relocInfo::none: return "no_reloc"; | |
2805 case relocInfo::oop_type: { | |
2806 stringStream st; | |
2807 oop_Relocation* r = iter.oop_reloc(); | |
2808 oop obj = r->oop_value(); | |
2809 st.print("oop("); | |
2810 if (obj == NULL) st.print("NULL"); | |
2811 else obj->print_value_on(&st); | |
2812 st.print(")"); | |
2813 return st.as_string(); | |
2814 } | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2815 case relocInfo::metadata_type: { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2816 stringStream st; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2817 metadata_Relocation* r = iter.metadata_reloc(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2818 Metadata* obj = r->metadata_value(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2819 st.print("metadata("); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2820 if (obj == NULL) st.print("NULL"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2821 else obj->print_value_on(&st); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2822 st.print(")"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2823 return st.as_string(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2824 } |
0 | 2825 case relocInfo::virtual_call_type: return "virtual_call"; |
2826 case relocInfo::opt_virtual_call_type: return "optimized virtual_call"; | |
2827 case relocInfo::static_call_type: return "static_call"; | |
2828 case relocInfo::static_stub_type: return "static_stub"; | |
2829 case relocInfo::runtime_call_type: return "runtime_call"; | |
2830 case relocInfo::external_word_type: return "external_word"; | |
2831 case relocInfo::internal_word_type: return "internal_word"; | |
2832 case relocInfo::section_word_type: return "section_word"; | |
2833 case relocInfo::poll_type: return "poll"; | |
2834 case relocInfo::poll_return_type: return "poll_return"; | |
2835 case relocInfo::type_mask: return "type_bit_mask"; | |
2836 } | |
2837 } | |
2838 return have_one ? "other" : NULL; | |
2839 } | |
2840 | |
2841 // Return a the last scope in (begin..end] | |
2842 ScopeDesc* nmethod::scope_desc_in(address begin, address end) { | |
2843 PcDesc* p = pc_desc_near(begin+1); | |
2844 if (p != NULL && p->real_pc(this) <= end) { | |
2845 return new ScopeDesc(this, p->scope_decode_offset(), | |
9707 | 2846 p->obj_decode_offset(), p->should_reexecute(), p->rethrow_exception(), |
1253
f70b0d9ab095
6910618: C2: Error: assert(d->is_oop(),"JVM_ArrayCopy: dst not an oop")
kvn
parents:
1250
diff
changeset
|
2847 p->return_oop()); |
0 | 2848 } |
2849 return NULL; | |
2850 } | |
2851 | |
6796
b31471cdc53e
7200163: add CodeComments functionality to assember stubs
kvn
parents:
6792
diff
changeset
|
2852 void nmethod::print_nmethod_labels(outputStream* stream, address block_begin) const { |
1155
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2853 if (block_begin == entry_point()) stream->print_cr("[Entry Point]"); |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2854 if (block_begin == verified_entry_point()) stream->print_cr("[Verified Entry Point]"); |
9707 | 2855 if (GRAAL_ONLY(_exception_offset >= 0 &&) block_begin == exception_begin()) stream->print_cr("[Exception Handler]"); |
1155
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2856 if (block_begin == stub_begin()) stream->print_cr("[Stub Code]"); |
9707 | 2857 if (GRAAL_ONLY(_deoptimize_offset >= 0 &&) block_begin == deopt_handler_begin()) stream->print_cr("[Deopt Handler Code]"); |
1691
4a665be40fd3
6975855: don't emit deopt MH handler in C1 if not required
twisti
parents:
1644
diff
changeset
|
2858 |
4a665be40fd3
6975855: don't emit deopt MH handler in C1 if not required
twisti
parents:
1644
diff
changeset
|
2859 if (has_method_handle_invokes()) |
4a665be40fd3
6975855: don't emit deopt MH handler in C1 if not required
twisti
parents:
1644
diff
changeset
|
2860 if (block_begin == deopt_mh_handler_begin()) stream->print_cr("[Deopt MH Handler Code]"); |
4a665be40fd3
6975855: don't emit deopt MH handler in C1 if not required
twisti
parents:
1644
diff
changeset
|
2861 |
1155
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2862 if (block_begin == consts_begin()) stream->print_cr("[Constants]"); |
1691
4a665be40fd3
6975855: don't emit deopt MH handler in C1 if not required
twisti
parents:
1644
diff
changeset
|
2863 |
1155
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2864 if (block_begin == entry_point()) { |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2865 methodHandle m = method(); |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2866 if (m.not_null()) { |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2867 stream->print(" # "); |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2868 m->print_value_on(stream); |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2869 stream->cr(); |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2870 } |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2871 if (m.not_null() && !is_osr_method()) { |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2872 ResourceMark rm; |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2873 int sizeargs = m->size_of_parameters(); |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2874 BasicType* sig_bt = NEW_RESOURCE_ARRAY(BasicType, sizeargs); |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2875 VMRegPair* regs = NEW_RESOURCE_ARRAY(VMRegPair, sizeargs); |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2876 { |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2877 int sig_index = 0; |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2878 if (!m->is_static()) |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2879 sig_bt[sig_index++] = T_OBJECT; // 'this' |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2880 for (SignatureStream ss(m->signature()); !ss.at_return_type(); ss.next()) { |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2881 BasicType t = ss.type(); |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2882 sig_bt[sig_index++] = t; |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2883 if (type2size[t] == 2) { |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2884 sig_bt[sig_index++] = T_VOID; |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2885 } else { |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2886 assert(type2size[t] == 1, "size is 1 or 2"); |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2887 } |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2888 } |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2889 assert(sig_index == sizeargs, ""); |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2890 } |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2891 const char* spname = "sp"; // make arch-specific? |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2892 intptr_t out_preserve = SharedRuntime::java_calling_convention(sig_bt, regs, sizeargs, false); |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2893 int stack_slot_offset = this->frame_size() * wordSize; |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2894 int tab1 = 14, tab2 = 24; |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2895 int sig_index = 0; |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2896 int arg_index = (m->is_static() ? 0 : -1); |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2897 bool did_old_sp = false; |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2898 for (SignatureStream ss(m->signature()); !ss.at_return_type(); ) { |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2899 bool at_this = (arg_index == -1); |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2900 bool at_old_sp = false; |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2901 BasicType t = (at_this ? T_OBJECT : ss.type()); |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2902 assert(t == sig_bt[sig_index], "sigs in sync"); |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2903 if (at_this) |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2904 stream->print(" # this: "); |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2905 else |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2906 stream->print(" # parm%d: ", arg_index); |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2907 stream->move_to(tab1); |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2908 VMReg fst = regs[sig_index].first(); |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2909 VMReg snd = regs[sig_index].second(); |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2910 if (fst->is_reg()) { |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2911 stream->print("%s", fst->name()); |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2912 if (snd->is_valid()) { |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2913 stream->print(":%s", snd->name()); |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2914 } |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2915 } else if (fst->is_stack()) { |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2916 int offset = fst->reg2stack() * VMRegImpl::stack_slot_size + stack_slot_offset; |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2917 if (offset == stack_slot_offset) at_old_sp = true; |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2918 stream->print("[%s+0x%x]", spname, offset); |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2919 } else { |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2920 stream->print("reg%d:%d??", (int)(intptr_t)fst, (int)(intptr_t)snd); |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2921 } |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2922 stream->print(" "); |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2923 stream->move_to(tab2); |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2924 stream->print("= "); |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2925 if (at_this) { |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2926 m->method_holder()->print_value_on(stream); |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2927 } else { |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2928 bool did_name = false; |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2929 if (!at_this && ss.is_object()) { |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
2930 Symbol* name = ss.as_symbol_or_null(); |
1155
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2931 if (name != NULL) { |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2932 name->print_value_on(stream); |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2933 did_name = true; |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2934 } |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2935 } |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2936 if (!did_name) |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2937 stream->print("%s", type2name(t)); |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2938 } |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2939 if (at_old_sp) { |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2940 stream->print(" (%s of caller)", spname); |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2941 did_old_sp = true; |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2942 } |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2943 stream->cr(); |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2944 sig_index += type2size[t]; |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2945 arg_index += 1; |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2946 if (!at_this) ss.next(); |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2947 } |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2948 if (!did_old_sp) { |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2949 stream->print(" # "); |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2950 stream->move_to(tab1); |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2951 stream->print("[%s+0x%x]", spname, stack_slot_offset); |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2952 stream->print(" (%s of caller)", spname); |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2953 stream->cr(); |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2954 } |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2955 } |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2956 } |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2957 } |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
2958 |
0 | 2959 void nmethod::print_code_comment_on(outputStream* st, int column, u_char* begin, u_char* end) { |
2960 // First, find an oopmap in (begin, end]. | |
2961 // We use the odd half-closed interval so that oop maps and scope descs | |
2962 // which are tied to the byte after a call are printed with the call itself. | |
1748 | 2963 address base = code_begin(); |
0 | 2964 OopMapSet* oms = oop_maps(); |
2965 if (oms != NULL) { | |
2966 for (int i = 0, imax = oms->size(); i < imax; i++) { | |
2967 OopMap* om = oms->at(i); | |
2968 address pc = base + om->offset(); | |
2969 if (pc > begin) { | |
2970 if (pc <= end) { | |
100
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
30
diff
changeset
|
2971 st->move_to(column); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
30
diff
changeset
|
2972 st->print("; "); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
30
diff
changeset
|
2973 om->print_on(st); |
0 | 2974 } |
2975 break; | |
2976 } | |
2977 } | |
2978 } | |
100
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
30
diff
changeset
|
2979 |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
30
diff
changeset
|
2980 // Print any debug info present at this pc. |
0 | 2981 ScopeDesc* sd = scope_desc_in(begin, end); |
2982 if (sd != NULL) { | |
100
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
30
diff
changeset
|
2983 st->move_to(column); |
0 | 2984 if (sd->bci() == SynchronizationEntryBCI) { |
2985 st->print(";*synchronization entry"); | |
2986 } else { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2987 if (sd->method() == NULL) { |
100
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
30
diff
changeset
|
2988 st->print("method is NULL"); |
0 | 2989 } else if (sd->method()->is_native()) { |
100
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
30
diff
changeset
|
2990 st->print("method is native"); |
0 | 2991 } else { |
2142 | 2992 Bytecodes::Code bc = sd->method()->java_code_at(sd->bci()); |
0 | 2993 st->print(";*%s", Bytecodes::name(bc)); |
2994 switch (bc) { | |
2995 case Bytecodes::_invokevirtual: | |
2996 case Bytecodes::_invokespecial: | |
2997 case Bytecodes::_invokestatic: | |
2998 case Bytecodes::_invokeinterface: | |
2999 { | |
2142 | 3000 Bytecode_invoke invoke(sd->method(), sd->bci()); |
0 | 3001 st->print(" "); |
2142 | 3002 if (invoke.name() != NULL) |
3003 invoke.name()->print_symbol_on(st); | |
0 | 3004 else |
3005 st->print("<UNKNOWN>"); | |
3006 break; | |
3007 } | |
3008 case Bytecodes::_getfield: | |
3009 case Bytecodes::_putfield: | |
3010 case Bytecodes::_getstatic: | |
3011 case Bytecodes::_putstatic: | |
3012 { | |
2142 | 3013 Bytecode_field field(sd->method(), sd->bci()); |
0 | 3014 st->print(" "); |
2142 | 3015 if (field.name() != NULL) |
3016 field.name()->print_symbol_on(st); | |
0 | 3017 else |
3018 st->print("<UNKNOWN>"); | |
3019 } | |
3020 } | |
3021 } | |
3022 } | |
100
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
30
diff
changeset
|
3023 |
0 | 3024 // Print all scopes |
3025 for (;sd != NULL; sd = sd->sender()) { | |
100
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
30
diff
changeset
|
3026 st->move_to(column); |
0 | 3027 st->print("; -"); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3028 if (sd->method() == NULL) { |
100
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
30
diff
changeset
|
3029 st->print("method is NULL"); |
0 | 3030 } else { |
3031 sd->method()->print_short_name(st); | |
3032 } | |
3033 int lineno = sd->method()->line_number_from_bci(sd->bci()); | |
3034 if (lineno != -1) { | |
3035 st->print("@%d (line %d)", sd->bci(), lineno); | |
3036 } else { | |
3037 st->print("@%d", sd->bci()); | |
3038 } | |
3039 st->cr(); | |
3040 } | |
3041 } | |
3042 | |
3043 // Print relocation information | |
3044 const char* str = reloc_string_for(begin, end); | |
3045 if (str != NULL) { | |
3046 if (sd != NULL) st->cr(); | |
100
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
30
diff
changeset
|
3047 st->move_to(column); |
0 | 3048 st->print("; {%s}", str); |
3049 } | |
1748 | 3050 int cont_offset = ImplicitExceptionTable(this).at(begin - code_begin()); |
0 | 3051 if (cont_offset != 0) { |
100
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
30
diff
changeset
|
3052 st->move_to(column); |
1748 | 3053 st->print("; implicit exception: dispatches to " INTPTR_FORMAT, code_begin() + cont_offset); |
0 | 3054 } |
3055 | |
3056 } | |
3057 | |
100
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
30
diff
changeset
|
3058 #ifndef PRODUCT |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
30
diff
changeset
|
3059 |
0 | 3060 void nmethod::print_value_on(outputStream* st) const { |
2405
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2376
diff
changeset
|
3061 st->print("nmethod"); |
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2376
diff
changeset
|
3062 print_on(st, NULL); |
0 | 3063 } |
3064 | |
3065 void nmethod::print_calls(outputStream* st) { | |
3066 RelocIterator iter(this); | |
3067 while (iter.next()) { | |
3068 switch (iter.type()) { | |
3069 case relocInfo::virtual_call_type: | |
3070 case relocInfo::opt_virtual_call_type: { | |
3071 VerifyMutexLocker mc(CompiledIC_lock); | |
3072 CompiledIC_at(iter.reloc())->print(); | |
3073 break; | |
3074 } | |
3075 case relocInfo::static_call_type: | |
3076 st->print_cr("Static call at " INTPTR_FORMAT, iter.reloc()->addr()); | |
3077 compiledStaticCall_at(iter.reloc())->print(); | |
3078 break; | |
3079 } | |
3080 } | |
3081 } | |
3082 | |
3083 void nmethod::print_handler_table() { | |
3084 ExceptionHandlerTable(this).print(); | |
3085 } | |
3086 | |
3087 void nmethod::print_nul_chk_table() { | |
1748 | 3088 ImplicitExceptionTable(this).print(code_begin()); |
0 | 3089 } |
14733
b10e42998d01
nmethod: fix -XX:+PrintNMethodStatistics
Bernhard Urban <bernhard.urban@jku.at>
parents:
14726
diff
changeset
|
3090 #endif // PRODUCT |
0 | 3091 |
3092 void nmethod::print_statistics() { | |
3093 ttyLocker ttyl; | |
3094 if (xtty != NULL) xtty->head("statistics type='nmethod'"); | |
12675
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
3095 native_nmethod_stats.print_native_nmethod_stats(); |
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
3096 #ifdef COMPILER1 |
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
3097 c1_java_nmethod_stats.print_nmethod_stats("C1"); |
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
3098 #endif |
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
3099 #ifdef COMPILER2 |
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
3100 c2_java_nmethod_stats.print_nmethod_stats("C2"); |
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
3101 #endif |
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
3102 #ifdef GRAAL |
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
3103 graal_java_nmethod_stats.print_nmethod_stats("Graal"); |
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
3104 #endif |
15434
7461c3bf278a
Improve PrintNMethodStatistics output: add Shark compiler and metadata size. Properly record nmethods for native wrapper.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
15164
diff
changeset
|
3105 #ifdef SHARK |
7461c3bf278a
Improve PrintNMethodStatistics output: add Shark compiler and metadata size. Properly record nmethods for native wrapper.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
15164
diff
changeset
|
3106 shark_java_nmethod_stats.print_nmethod_stats("Shark"); |
7461c3bf278a
Improve PrintNMethodStatistics output: add Shark compiler and metadata size. Properly record nmethods for native wrapper.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
15164
diff
changeset
|
3107 #endif |
12758
ca33948fb804
nmethod.cpp: s/unknwon/unknown/
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12704
diff
changeset
|
3108 unknown_java_nmethod_stats.print_nmethod_stats("Unknown"); |
0 | 3109 DebugInformationRecorder::print_statistics(); |
15434
7461c3bf278a
Improve PrintNMethodStatistics output: add Shark compiler and metadata size. Properly record nmethods for native wrapper.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
15164
diff
changeset
|
3110 #ifndef PRODUCT |
12675
7fedc59e2cdc
Split code cache stats for the different compilers
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12414
diff
changeset
|
3111 pc_nmethod_stats.print_pc_stats(); |
15434
7461c3bf278a
Improve PrintNMethodStatistics output: add Shark compiler and metadata size. Properly record nmethods for native wrapper.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
15164
diff
changeset
|
3112 #endif |
0 | 3113 Dependencies::print_statistics(); |
3114 if (xtty != NULL) xtty->tail("statistics"); | |
3115 } |