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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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 |
11 // with the distribution. | 11 // with the distribution. |
12 // * Neither the name of Google Inc. nor the names of its | 12 // * Neither the name of Google Inc. nor the names of its |
13 // contributors may be used to endorse or promote products derived | 13 // contributors may be used to endorse or promote products derived |
14 // from this software without specific prior written permission. | 14 // from this software without specific prior written permission. |
15 // | 15 // |
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | 27 |
28 // Platform specific code for OpenBSD goes here. For the POSIX comaptible parts | 28 // Platform specific code for OpenBSD and NetBSD goes here. For the POSIX |
29 // the implementation is in platform-posix.cc. | 29 // comaptible parts the implementation is in platform-posix.cc. |
30 | 30 |
31 #include <pthread.h> | 31 #include <pthread.h> |
32 #include <semaphore.h> | 32 #include <semaphore.h> |
33 #include <signal.h> | 33 #include <signal.h> |
34 #include <sys/time.h> | 34 #include <sys/time.h> |
35 #include <sys/resource.h> | 35 #include <sys/resource.h> |
36 #include <sys/syscall.h> | 36 #include <sys/syscall.h> |
37 #include <sys/types.h> | 37 #include <sys/types.h> |
38 #include <stdlib.h> | 38 #include <stdlib.h> |
39 | 39 |
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735 } | 735 } |
736 | 736 |
737 Sampler* sampler = isolate->logger()->sampler(); | 737 Sampler* sampler = isolate->logger()->sampler(); |
738 if (sampler == NULL || !sampler->IsActive()) return; | 738 if (sampler == NULL || !sampler->IsActive()) return; |
739 | 739 |
740 TickSample sample_obj; | 740 TickSample sample_obj; |
741 TickSample* sample = CpuProfiler::TickSampleEvent(isolate); | 741 TickSample* sample = CpuProfiler::TickSampleEvent(isolate); |
742 if (sample == NULL) sample = &sample_obj; | 742 if (sample == NULL) sample = &sample_obj; |
743 | 743 |
744 // Extracting the sample from the context is extremely machine dependent. | 744 // Extracting the sample from the context is extremely machine dependent. |
| 745 sample->state = isolate->current_vm_state(); |
745 ucontext_t* ucontext = reinterpret_cast<ucontext_t*>(context); | 746 ucontext_t* ucontext = reinterpret_cast<ucontext_t*>(context); |
746 sample->state = isolate->current_vm_state(); | 747 #ifdef __NetBSD__ |
| 748 mcontext_t& mcontext = ucontext->uc_mcontext; |
| 749 #if V8_HOST_ARCH_IA32 |
| 750 sample->pc = reinterpret_cast<Address>(mcontext.__gregs[_REG_EIP]); |
| 751 sample->sp = reinterpret_cast<Address>(mcontext.__gregs[_REG_ESP]); |
| 752 sample->fp = reinterpret_cast<Address>(mcontext.__gregs[_REG_EBP]); |
| 753 #elif V8_HOST_ARCH_X64 |
| 754 sample->pc = reinterpret_cast<Address>(mcontext.__gregs[_REG_RIP]); |
| 755 sample->sp = reinterpret_cast<Address>(mcontext.__gregs[_REG_RSP]); |
| 756 sample->fp = reinterpret_cast<Address>(mcontext.__gregs[_REG_RBP]); |
| 757 #endif // V8_HOST_ARCH |
| 758 #else // OpenBSD |
747 #if V8_HOST_ARCH_IA32 | 759 #if V8_HOST_ARCH_IA32 |
748 sample->pc = reinterpret_cast<Address>(ucontext->sc_eip); | 760 sample->pc = reinterpret_cast<Address>(ucontext->sc_eip); |
749 sample->sp = reinterpret_cast<Address>(ucontext->sc_esp); | 761 sample->sp = reinterpret_cast<Address>(ucontext->sc_esp); |
750 sample->fp = reinterpret_cast<Address>(ucontext->sc_ebp); | 762 sample->fp = reinterpret_cast<Address>(ucontext->sc_ebp); |
751 #elif V8_HOST_ARCH_X64 | 763 #elif V8_HOST_ARCH_X64 |
752 sample->pc = reinterpret_cast<Address>(ucontext->sc_rip); | 764 sample->pc = reinterpret_cast<Address>(ucontext->sc_rip); |
753 sample->sp = reinterpret_cast<Address>(ucontext->sc_rsp); | 765 sample->sp = reinterpret_cast<Address>(ucontext->sc_rsp); |
754 sample->fp = reinterpret_cast<Address>(ucontext->sc_rbp); | 766 sample->fp = reinterpret_cast<Address>(ucontext->sc_rbp); |
755 #endif | 767 #endif // V8_HOST_ARCH |
| 768 #endif // __NetBSD__ |
756 sampler->SampleStack(sample); | 769 sampler->SampleStack(sample); |
757 sampler->Tick(sample); | 770 sampler->Tick(sample); |
758 } | 771 } |
759 | 772 |
760 | 773 |
761 class Sampler::PlatformData : public Malloced { | 774 class Sampler::PlatformData : public Malloced { |
762 public: | 775 public: |
763 PlatformData() : vm_tid_(GetThreadID()) {} | 776 PlatformData() : vm_tid_(GetThreadID()) {} |
764 | 777 |
765 pthread_t vm_tid() const { return vm_tid_; } | 778 pthread_t vm_tid() const { return vm_tid_; } |
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944 | 957 |
945 | 958 |
946 void Sampler::Stop() { | 959 void Sampler::Stop() { |
947 ASSERT(IsActive()); | 960 ASSERT(IsActive()); |
948 SignalSender::RemoveActiveSampler(this); | 961 SignalSender::RemoveActiveSampler(this); |
949 SetActive(false); | 962 SetActive(false); |
950 } | 963 } |
951 | 964 |
952 | 965 |
953 } } // namespace v8::internal | 966 } } // namespace v8::internal |
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