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comparison src/share/vm/runtime/fprofiler.cpp @ 107:93b6525e3b82

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6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on Summary: Rewrite frame::safe_for_sender and friends to be safe for collector/analyzer Reviewed-by: dcubed, kvn
author sgoldman
date Tue, 08 Apr 2008 12:23:15 -0400
parents a61af66fc99e
children d1605aabd0a1
comparison
equal deleted inserted replaced
106:c9314fa4f757 107:93b6525e3b82
922 } 922 }
923 } 923 }
924 FlatProfiler::record_thread_ticks(); 924 FlatProfiler::record_thread_ticks();
925 } 925 }
926 926
927 void ThreadProfiler::record_interpreted_tick(frame fr, TickPosition where, int* ticks) { 927 void ThreadProfiler::record_interpreted_tick(JavaThread* thread, frame fr, TickPosition where, int* ticks) {
928 FlatProfiler::all_int_ticks++; 928 FlatProfiler::all_int_ticks++;
929 if (!FlatProfiler::full_profile()) { 929 if (!FlatProfiler::full_profile()) {
930 return; 930 return;
931 } 931 }
932 932
933 if (!fr.is_interpreted_frame_valid()) { 933 if (!fr.is_interpreted_frame_valid(thread)) {
934 // tick came at a bad time 934 // tick came at a bad time
935 interpreter_ticks += 1; 935 interpreter_ticks += 1;
936 FlatProfiler::interpreter_ticks += 1; 936 FlatProfiler::interpreter_ticks += 1;
937 return; 937 return;
938 } 938 }
939 939
940 methodOop method = NULL; 940 // The frame has been fully validated so we can trust the method and bci
941 if (fr.fp() != NULL) { 941
942 method = *fr.interpreter_frame_method_addr(); 942 methodOop method = *fr.interpreter_frame_method_addr();
943 } 943
944 if (!Universe::heap()->is_valid_method(method)) {
945 // tick came at a bad time, stack frame not initialized correctly
946 interpreter_ticks += 1;
947 FlatProfiler::interpreter_ticks += 1;
948 return;
949 }
950 interpreted_update(method, where); 944 interpreted_update(method, where);
951 945
952 // update byte code table 946 // update byte code table
953 InterpreterCodelet* desc = Interpreter::codelet_containing(fr.pc()); 947 InterpreterCodelet* desc = Interpreter::codelet_containing(fr.pc());
954 if (desc != NULL && desc->bytecode() >= 0) { 948 if (desc != NULL && desc->bytecode() >= 0) {
995 989
996 void ThreadProfiler::record_tick_for_running_frame(JavaThread* thread, frame fr) { 990 void ThreadProfiler::record_tick_for_running_frame(JavaThread* thread, frame fr) {
997 // The tick happend in real code -> non VM code 991 // The tick happend in real code -> non VM code
998 if (fr.is_interpreted_frame()) { 992 if (fr.is_interpreted_frame()) {
999 interval_data_ref()->inc_interpreted(); 993 interval_data_ref()->inc_interpreted();
1000 record_interpreted_tick(fr, tp_code, FlatProfiler::bytecode_ticks); 994 record_interpreted_tick(thread, fr, tp_code, FlatProfiler::bytecode_ticks);
1001 return; 995 return;
1002 } 996 }
1003 997
1004 if (CodeCache::contains(fr.pc())) { 998 if (CodeCache::contains(fr.pc())) {
1005 interval_data_ref()->inc_compiled(); 999 interval_data_ref()->inc_compiled();
1026 1020
1027 void ThreadProfiler::record_tick_for_calling_frame(JavaThread* thread, frame fr) { 1021 void ThreadProfiler::record_tick_for_calling_frame(JavaThread* thread, frame fr) {
1028 // The tick happend in VM code 1022 // The tick happend in VM code
1029 interval_data_ref()->inc_native(); 1023 interval_data_ref()->inc_native();
1030 if (fr.is_interpreted_frame()) { 1024 if (fr.is_interpreted_frame()) {
1031 record_interpreted_tick(fr, tp_native, FlatProfiler::bytecode_ticks_stub); 1025 record_interpreted_tick(thread, fr, tp_native, FlatProfiler::bytecode_ticks_stub);
1032 return; 1026 return;
1033 } 1027 }
1034 if (CodeCache::contains(fr.pc())) { 1028 if (CodeCache::contains(fr.pc())) {
1035 record_compiled_tick(thread, fr, tp_native); 1029 record_compiled_tick(thread, fr, tp_native);
1036 return; 1030 return;