OLD | NEW |
1 // Copyright 2006-2009 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2009 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 |
(...skipping 27 matching lines...) Expand all Loading... |
38 #include <ucontext.h> // walkstack(), getcontext() | 38 #include <ucontext.h> // walkstack(), getcontext() |
39 #include <dlfcn.h> // dladdr | 39 #include <dlfcn.h> // dladdr |
40 #include <pthread.h> | 40 #include <pthread.h> |
41 #include <sched.h> // for sched_yield | 41 #include <sched.h> // for sched_yield |
42 #include <semaphore.h> | 42 #include <semaphore.h> |
43 #include <time.h> | 43 #include <time.h> |
44 #include <sys/time.h> // gettimeofday(), timeradd() | 44 #include <sys/time.h> // gettimeofday(), timeradd() |
45 #include <errno.h> | 45 #include <errno.h> |
46 #include <ieeefp.h> // finite() | 46 #include <ieeefp.h> // finite() |
47 #include <signal.h> // sigemptyset(), etc | 47 #include <signal.h> // sigemptyset(), etc |
48 #include <sys/kdi_regs.h> | 48 #include <sys/regset.h> |
49 | 49 |
50 | 50 |
51 #undef MAP_TYPE | 51 #undef MAP_TYPE |
52 | 52 |
53 #include "v8.h" | 53 #include "v8.h" |
54 | 54 |
55 #include "platform.h" | 55 #include "platform.h" |
56 #include "vm-state-inl.h" | 56 #include "vm-state-inl.h" |
57 | 57 |
58 | 58 |
(...skipping 566 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
625 | 625 |
626 TickSample sample_obj; | 626 TickSample sample_obj; |
627 TickSample* sample = CpuProfiler::TickSampleEvent(); | 627 TickSample* sample = CpuProfiler::TickSampleEvent(); |
628 if (sample == NULL) sample = &sample_obj; | 628 if (sample == NULL) sample = &sample_obj; |
629 | 629 |
630 // Extracting the sample from the context is extremely machine dependent. | 630 // Extracting the sample from the context is extremely machine dependent. |
631 ucontext_t* ucontext = reinterpret_cast<ucontext_t*>(context); | 631 ucontext_t* ucontext = reinterpret_cast<ucontext_t*>(context); |
632 mcontext_t& mcontext = ucontext->uc_mcontext; | 632 mcontext_t& mcontext = ucontext->uc_mcontext; |
633 sample->state = Top::current_vm_state(); | 633 sample->state = Top::current_vm_state(); |
634 | 634 |
635 #if V8_HOST_ARCH_IA32 | 635 sample->pc = reinterpret_cast<Address>(mcontext.gregs[REG_PC]); |
636 sample->pc = reinterpret_cast<Address>(mcontext.gregs[KDIREG_EIP]); | 636 sample->sp = reinterpret_cast<Address>(mcontext.gregs[REG_SP]); |
637 sample->sp = reinterpret_cast<Address>(mcontext.gregs[KDIREG_ESP]); | 637 sample->fp = reinterpret_cast<Address>(mcontext.gregs[REG_FP]); |
638 sample->fp = reinterpret_cast<Address>(mcontext.gregs[KDIREG_EBP]); | 638 |
639 #elif V8_HOST_ARCH_X64 | |
640 sample->pc = reinterpret_cast<Address>(mcontext.gregs[KDIREG_RIP]); | |
641 sample->sp = reinterpret_cast<Address>(mcontext.gregs[KDIREG_RSP]); | |
642 sample->fp = reinterpret_cast<Address>(mcontext.gregs[KDIREG_RBP]); | |
643 #else | |
644 UNIMPLEMENTED(); | |
645 #endif | |
646 active_sampler_->SampleStack(sample); | 639 active_sampler_->SampleStack(sample); |
647 active_sampler_->Tick(sample); | 640 active_sampler_->Tick(sample); |
648 } | 641 } |
649 | 642 |
650 | 643 |
651 class Sampler::PlatformData : public Malloced { | 644 class Sampler::PlatformData : public Malloced { |
652 public: | 645 public: |
653 enum SleepInterval { | 646 enum SleepInterval { |
654 FULL_INTERVAL, | 647 FULL_INTERVAL, |
655 HALF_INTERVAL | 648 HALF_INTERVAL |
(...skipping 127 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
783 data_->signal_handler_installed_ = false; | 776 data_->signal_handler_installed_ = false; |
784 } | 777 } |
785 | 778 |
786 // This sampler is no longer the active sampler. | 779 // This sampler is no longer the active sampler. |
787 active_sampler_ = NULL; | 780 active_sampler_ = NULL; |
788 } | 781 } |
789 | 782 |
790 #endif // ENABLE_LOGGING_AND_PROFILING | 783 #endif // ENABLE_LOGGING_AND_PROFILING |
791 | 784 |
792 } } // namespace v8::internal | 785 } } // namespace v8::internal |
OLD | NEW |