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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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680 } | 680 } |
681 | 681 |
682 void SampleContext(Sampler* sampler) { | 682 void SampleContext(Sampler* sampler) { |
683 HANDLE profiled_thread = sampler->platform_data()->profiled_thread(); | 683 HANDLE profiled_thread = sampler->platform_data()->profiled_thread(); |
684 if (profiled_thread == NULL) return; | 684 if (profiled_thread == NULL) return; |
685 | 685 |
686 // Context used for sampling the register state of the profiled thread. | 686 // Context used for sampling the register state of the profiled thread. |
687 CONTEXT context; | 687 CONTEXT context; |
688 memset(&context, 0, sizeof(context)); | 688 memset(&context, 0, sizeof(context)); |
689 | 689 |
| 690 Isolate* isolate = sampler->isolate(); |
690 TickSample sample_obj; | 691 TickSample sample_obj; |
691 TickSample* sample = CpuProfiler::TickSampleEvent(sampler->isolate()); | 692 TickSample* sample = isolate->cpu_profiler()->TickSampleEvent(); |
692 if (sample == NULL) sample = &sample_obj; | 693 if (sample == NULL) sample = &sample_obj; |
693 | 694 |
694 static const DWORD kSuspendFailed = static_cast<DWORD>(-1); | 695 static const DWORD kSuspendFailed = static_cast<DWORD>(-1); |
695 if (SuspendThread(profiled_thread) == kSuspendFailed) return; | 696 if (SuspendThread(profiled_thread) == kSuspendFailed) return; |
696 sample->state = sampler->isolate()->current_vm_state(); | 697 sample->state = isolate->current_vm_state(); |
697 | 698 |
698 context.ContextFlags = CONTEXT_FULL; | 699 context.ContextFlags = CONTEXT_FULL; |
699 if (GetThreadContext(profiled_thread, &context) != 0) { | 700 if (GetThreadContext(profiled_thread, &context) != 0) { |
700 #if V8_HOST_ARCH_X64 | 701 #if V8_HOST_ARCH_X64 |
701 sample->pc = reinterpret_cast<Address>(context.Rip); | 702 sample->pc = reinterpret_cast<Address>(context.Rip); |
702 sample->sp = reinterpret_cast<Address>(context.Rsp); | 703 sample->sp = reinterpret_cast<Address>(context.Rsp); |
703 sample->fp = reinterpret_cast<Address>(context.Rbp); | 704 sample->fp = reinterpret_cast<Address>(context.Rbp); |
704 #else | 705 #else |
705 sample->pc = reinterpret_cast<Address>(context.Eip); | 706 sample->pc = reinterpret_cast<Address>(context.Eip); |
706 sample->sp = reinterpret_cast<Address>(context.Esp); | 707 sample->sp = reinterpret_cast<Address>(context.Esp); |
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770 | 771 |
771 | 772 |
772 void Sampler::Stop() { | 773 void Sampler::Stop() { |
773 ASSERT(IsActive()); | 774 ASSERT(IsActive()); |
774 SamplerThread::RemoveActiveSampler(this); | 775 SamplerThread::RemoveActiveSampler(this); |
775 SetActive(false); | 776 SetActive(false); |
776 } | 777 } |
777 | 778 |
778 | 779 |
779 } } // namespace v8::internal | 780 } } // namespace v8::internal |
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