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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 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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627 TickSample sample; | 627 TickSample sample; |
628 | 628 |
629 // If profiling, we extract the current pc and sp. | 629 // If profiling, we extract the current pc and sp. |
630 if (active_sampler_->IsProfiling()) { | 630 if (active_sampler_->IsProfiling()) { |
631 // Extracting the sample from the context is extremely machine dependent. | 631 // Extracting the sample from the context is extremely machine dependent. |
632 ucontext_t* ucontext = reinterpret_cast<ucontext_t*>(context); | 632 ucontext_t* ucontext = reinterpret_cast<ucontext_t*>(context); |
633 mcontext_t& mcontext = ucontext->uc_mcontext; | 633 mcontext_t& mcontext = ucontext->uc_mcontext; |
634 #if defined (__arm__) || defined(__thumb__) | 634 #if defined (__arm__) || defined(__thumb__) |
635 sample.pc = mcontext.mc_r15; | 635 sample.pc = mcontext.mc_r15; |
636 sample.sp = mcontext.mc_r13; | 636 sample.sp = mcontext.mc_r13; |
| 637 sample.fp = mcontext.mc_r11; |
637 #else | 638 #else |
638 sample.pc = mcontext.mc_eip; | 639 sample.pc = mcontext.mc_eip; |
639 sample.sp = mcontext.mc_esp; | 640 sample.sp = mcontext.mc_esp; |
| 641 sample.fp = mcontext.mc_ebp; |
640 #endif | 642 #endif |
641 } | 643 } |
642 | 644 |
643 // We always sample the VM state. | 645 // We always sample the VM state. |
644 sample.state = Logger::state(); | 646 sample.state = Logger::state(); |
645 | 647 |
646 active_sampler_->Tick(&sample); | 648 active_sampler_->Tick(&sample); |
647 } | 649 } |
648 | 650 |
649 | 651 |
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706 } | 708 } |
707 | 709 |
708 // This sampler is no longer the active sampler. | 710 // This sampler is no longer the active sampler. |
709 active_sampler_ = NULL; | 711 active_sampler_ = NULL; |
710 active_ = false; | 712 active_ = false; |
711 } | 713 } |
712 | 714 |
713 #endif // ENABLE_LOGGING_AND_PROFILING | 715 #endif // ENABLE_LOGGING_AND_PROFILING |
714 | 716 |
715 } } // namespace v8::internal | 717 } } // namespace v8::internal |
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