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comparison src/share/vm/code/nmethod.cpp @ 8152:2bc6f232f74e

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More fixes in the C++ part.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Thu, 07 Mar 2013 21:18:35 +0100
parents b8f261ba79c6
children 3c29f7da5c66
comparison
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8151:b8f261ba79c6 8152:2bc6f232f74e
123 // NMethod statistics 123 // NMethod statistics
124 // They are printed under various flags, including: 124 // They are printed under various flags, including:
125 // PrintC1Statistics, PrintOptoStatistics, LogVMOutput, and LogCompilation. 125 // PrintC1Statistics, PrintOptoStatistics, LogVMOutput, and LogCompilation.
126 // (In the latter two cases, they like other stats are printed to the log only.) 126 // (In the latter two cases, they like other stats are printed to the log only.)
127 127
128 #ifndef PRODUCT
128 // These variables are put into one block to reduce relocations 129 // These variables are put into one block to reduce relocations
129 // and make it simpler to print from the debugger. 130 // and make it simpler to print from the debugger.
130 static 131 static
131 struct nmethod_stats_struct { 132 struct nmethod_stats_struct {
132 int nmethod_count; 133 int nmethod_count;
212 pc_desc_queries, pc_desc_approx, 213 pc_desc_queries, pc_desc_approx,
213 pc_desc_repeats, pc_desc_hits, 214 pc_desc_repeats, pc_desc_hits,
214 pc_desc_tests, pc_desc_searches, pc_desc_adds); 215 pc_desc_tests, pc_desc_searches, pc_desc_adds);
215 } 216 }
216 } nmethod_stats; 217 } nmethod_stats;
218 #endif //PRODUCT
217 219
218 220
219 //--------------------------------------------------------------------------------- 221 //---------------------------------------------------------------------------------
220 222
221 223
551 offsets.set_value(CodeOffsets::Dtrace_trap, trap_offset); 553 offsets.set_value(CodeOffsets::Dtrace_trap, trap_offset);
552 offsets.set_value(CodeOffsets::Frame_Complete, frame_complete); 554 offsets.set_value(CodeOffsets::Frame_Complete, frame_complete);
553 555
554 nm = new (nmethod_size) nmethod(method(), nmethod_size, &offsets, code_buffer, frame_size); 556 nm = new (nmethod_size) nmethod(method(), nmethod_size, &offsets, code_buffer, frame_size);
555 557
556 if (nm != NULL) nmethod_stats.note_nmethod(nm); 558 NOT_PRODUCT(if (nm != NULL) nmethod_stats.note_nmethod(nm));
557 if (PrintAssembly && nm != NULL) 559 if (PrintAssembly && nm != NULL)
558 Disassembler::decode(nm); 560 Disassembler::decode(nm);
559 } 561 }
560 // verify nmethod 562 // verify nmethod
561 debug_only(if (nm) nm->verify();) // might block 563 debug_only(if (nm) nm->verify();) // might block
630 632
631 // record this nmethod as dependent on this klass 633 // record this nmethod as dependent on this klass
632 InstanceKlass::cast(klass)->add_dependent_nmethod(nm); 634 InstanceKlass::cast(klass)->add_dependent_nmethod(nm);
633 } 635 }
634 } 636 }
635 if (nm != NULL) nmethod_stats.note_nmethod(nm); 637 NOT_PRODUCT(if (nm != NULL) nmethod_stats.note_nmethod(nm));
636 if (PrintAssembly && nm != NULL) 638 if (PrintAssembly && nm != NULL)
637 Disassembler::decode(nm); 639 Disassembler::decode(nm);
638 } 640 }
639 641
640 // verify nmethod 642 // verify nmethod
1808 // all strong references alive. Any weak references should have been 1810 // all strong references alive. Any weak references should have been
1809 // cleared as well. Visit all the metadata and ensure that it's 1811 // cleared as well. Visit all the metadata and ensure that it's
1810 // really alive. 1812 // really alive.
1811 void nmethod::verify_metadata_loaders(address low_boundary, BoolObjectClosure* is_alive) { 1813 void nmethod::verify_metadata_loaders(address low_boundary, BoolObjectClosure* is_alive) {
1812 #ifdef ASSERT 1814 #ifdef ASSERT
1813 RelocIterator iter(this, low_boundary); 1815 RelocIterator iter(this, low_boundary);
1814 while (iter.next()) { 1816 while (iter.next()) {
1815 // static_stub_Relocations may have dangling references to 1817 // static_stub_Relocations may have dangling references to
1816 // Method*s so trim them out here. Otherwise it looks like 1818 // Method*s so trim them out here. Otherwise it looks like
1817 // compiled code is maintaining a link to dead metadata. 1819 // compiled code is maintaining a link to dead metadata.
1818 address static_call_addr = NULL; 1820 address static_call_addr = NULL;
1819 if (iter.type() == relocInfo::opt_virtual_call_type) { 1821 if (iter.type() == relocInfo::opt_virtual_call_type) {
2499 // Right now there is no way to find out which entries support 2501 // Right now there is no way to find out which entries support
2500 // an interrupt point. It would be nice if we had this 2502 // an interrupt point. It would be nice if we had this
2501 // information in a table. 2503 // information in a table.
2502 break; 2504 break;
2503 } 2505 }
2504 #ifndef GRAAL
2505 assert(stub == NULL || stub_contains(stub), "static call stub outside stub section"); 2506 assert(stub == NULL || stub_contains(stub), "static call stub outside stub section");
2506 #endif
2507 } 2507 }
2508 } 2508 }
2509 2509
2510 2510
2511 // ----------------------------------------------------------------------------- 2511 // -----------------------------------------------------------------------------
2993 2993
2994 void nmethod::print_nul_chk_table() { 2994 void nmethod::print_nul_chk_table() {
2995 ImplicitExceptionTable(this).print(code_begin()); 2995 ImplicitExceptionTable(this).print(code_begin());
2996 } 2996 }
2997 2997
2998 #endif // PRODUCT
2999
3000 void nmethod::print_statistics() { 2998 void nmethod::print_statistics() {
3001 ttyLocker ttyl; 2999 ttyLocker ttyl;
3002 if (xtty != NULL) xtty->head("statistics type='nmethod'"); 3000 if (xtty != NULL) xtty->head("statistics type='nmethod'");
3003 nmethod_stats.print_native_nmethod_stats(); 3001 nmethod_stats.print_native_nmethod_stats();
3004 nmethod_stats.print_nmethod_stats(); 3002 nmethod_stats.print_nmethod_stats();
3005 DebugInformationRecorder::print_statistics(); 3003 DebugInformationRecorder::print_statistics();
3006 nmethod_stats.print_pc_stats(); 3004 nmethod_stats.print_pc_stats();
3007 Dependencies::print_statistics(); 3005 Dependencies::print_statistics();
3008 if (xtty != NULL) xtty->tail("statistics"); 3006 if (xtty != NULL) xtty->tail("statistics");
3009 } 3007 }
3008
3009 #endif // PRODUCT