877 int size = asc.size(); |
877 int size = asc.size(); |
878 return (oop *)interpreter_frame_tos_at(size); |
878 return (oop *)interpreter_frame_tos_at(size); |
879 } |
879 } |
880 |
880 |
881 |
881 |
882 void frame::oops_interpreted_do(OopClosure* f, const RegisterMap* map, bool query_oop_map_cache) { |
882 void frame::oops_interpreted_do(OopClosure* f, CLDToOopClosure* cld_f, |
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883 const RegisterMap* map, bool query_oop_map_cache) { |
883 assert(is_interpreted_frame(), "Not an interpreted frame"); |
884 assert(is_interpreted_frame(), "Not an interpreted frame"); |
884 assert(map != NULL, "map must be set"); |
885 assert(map != NULL, "map must be set"); |
885 Thread *thread = Thread::current(); |
886 Thread *thread = Thread::current(); |
886 methodHandle m (thread, interpreter_frame_method()); |
887 methodHandle m (thread, interpreter_frame_method()); |
887 jint bci = interpreter_frame_bci(); |
888 jint bci = interpreter_frame_bci(); |
904 #endif |
905 #endif |
905 current->oops_do(f); |
906 current->oops_do(f); |
906 } |
907 } |
907 |
908 |
908 // process fixed part |
909 // process fixed part |
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910 if (cld_f != NULL) { |
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911 // The method pointer in the frame might be the only path to the method's |
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912 // klass, and the klass needs to be kept alive while executing. The GCs |
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913 // don't trace through method pointers, so typically in similar situations |
|
914 // the mirror or the class loader of the klass are installed as a GC root. |
|
915 // To minimze the overhead of doing that here, we ask the GC to pass down a |
|
916 // closure that knows how to keep klasses alive given a ClassLoaderData. |
|
917 cld_f->do_cld(m->method_holder()->class_loader_data()); |
|
918 } |
|
919 |
909 #if !defined(PPC) || defined(ZERO) |
920 #if !defined(PPC) || defined(ZERO) |
910 if (m->is_native()) { |
921 if (m->is_native()) { |
911 #ifdef CC_INTERP |
922 #ifdef CC_INTERP |
912 interpreterState istate = get_interpreterState(); |
923 interpreterState istate = get_interpreterState(); |
913 f->do_oop((oop*)&istate->_oop_temp); |
924 f->do_oop((oop*)&istate->_oop_temp); |
1106 // Traverse the Handle Block saved in the entry frame |
1117 // Traverse the Handle Block saved in the entry frame |
1107 entry_frame_call_wrapper()->oops_do(f); |
1118 entry_frame_call_wrapper()->oops_do(f); |
1108 } |
1119 } |
1109 |
1120 |
1110 |
1121 |
1111 void frame::oops_do_internal(OopClosure* f, CodeBlobClosure* cf, RegisterMap* map, bool use_interpreter_oop_map_cache) { |
1122 void frame::oops_do_internal(OopClosure* f, CLDToOopClosure* cld_f, CodeBlobClosure* cf, RegisterMap* map, bool use_interpreter_oop_map_cache) { |
1112 #ifndef PRODUCT |
1123 #ifndef PRODUCT |
1113 // simulate GC crash here to dump java thread in error report |
1124 // simulate GC crash here to dump java thread in error report |
1114 if (CrashGCForDumpingJavaThread) { |
1125 if (CrashGCForDumpingJavaThread) { |
1115 char *t = NULL; |
1126 char *t = NULL; |
1116 *t = 'c'; |
1127 *t = 'c'; |
1117 } |
1128 } |
1118 #endif |
1129 #endif |
1119 if (is_interpreted_frame()) { |
1130 if (is_interpreted_frame()) { |
1120 oops_interpreted_do(f, map, use_interpreter_oop_map_cache); |
1131 oops_interpreted_do(f, cld_f, map, use_interpreter_oop_map_cache); |
1121 } else if (is_entry_frame()) { |
1132 } else if (is_entry_frame()) { |
1122 oops_entry_do(f, map); |
1133 oops_entry_do(f, map); |
1123 } else if (CodeCache::contains(pc())) { |
1134 } else if (CodeCache::contains(pc())) { |
1124 oops_code_blob_do(f, cf, map); |
1135 oops_code_blob_do(f, cf, map); |
1125 #ifdef SHARK |
1136 #ifdef SHARK |
1276 oop* p = (oop*) interpreter_frame_local_at(0); |
1287 oop* p = (oop*) interpreter_frame_local_at(0); |
1277 // make sure we have the right receiver type |
1288 // make sure we have the right receiver type |
1278 } |
1289 } |
1279 } |
1290 } |
1280 COMPILER2_PRESENT(assert(DerivedPointerTable::is_empty(), "must be empty before verify");) |
1291 COMPILER2_PRESENT(assert(DerivedPointerTable::is_empty(), "must be empty before verify");) |
1281 oops_do_internal(&VerifyOopClosure::verify_oop, NULL, (RegisterMap*)map, false); |
1292 oops_do_internal(&VerifyOopClosure::verify_oop, NULL, NULL, (RegisterMap*)map, false); |
1282 } |
1293 } |
1283 |
1294 |
1284 |
1295 |
1285 #ifdef ASSERT |
1296 #ifdef ASSERT |
1286 bool frame::verify_return_pc(address x) { |
1297 bool frame::verify_return_pc(address x) { |