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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #include "platform/utils.h" | 5 #include "platform/utils.h" |
6 | 6 |
7 #include "vm/allocation.h" | 7 #include "vm/allocation.h" |
8 #include "vm/atomic.h" | 8 #include "vm/atomic.h" |
9 #include "vm/code_patcher.h" | 9 #include "vm/code_patcher.h" |
10 #include "vm/isolate.h" | 10 #include "vm/isolate.h" |
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25 // The stack frame walking code uses the frame pointer to traverse the stack. | 25 // The stack frame walking code uses the frame pointer to traverse the stack. |
26 // If the VM is compiled without frame pointers (which is the default on | 26 // If the VM is compiled without frame pointers (which is the default on |
27 // recent GCC versions with optimizing enabled) the stack walking code may | 27 // recent GCC versions with optimizing enabled) the stack walking code may |
28 // fail (sometimes leading to a crash). | 28 // fail (sometimes leading to a crash). |
29 // | 29 // |
30 | 30 |
31 #if defined(USING_SIMULATOR) || defined(TARGET_OS_WINDOWS) || \ | 31 #if defined(USING_SIMULATOR) || defined(TARGET_OS_WINDOWS) || \ |
32 defined(TARGET_OS_MACOS) || defined(TARGET_OS_ANDROID) | 32 defined(TARGET_OS_MACOS) || defined(TARGET_OS_ANDROID) |
33 DEFINE_FLAG(bool, profile, false, "Enable Sampling Profiler"); | 33 DEFINE_FLAG(bool, profile, false, "Enable Sampling Profiler"); |
34 #else | 34 #else |
35 DEFINE_FLAG(bool, profile, true, "Enable Sampling Profiler"); | 35 DEFINE_FLAG(bool, profile, false, "Enable Sampling Profiler"); |
36 #endif | 36 #endif |
37 DEFINE_FLAG(bool, trace_profiled_isolates, false, "Trace profiled isolates."); | 37 DEFINE_FLAG(bool, trace_profiled_isolates, false, "Trace profiled isolates."); |
38 DEFINE_FLAG(charp, profile_dir, NULL, | 38 DEFINE_FLAG(charp, profile_dir, NULL, |
39 "Enable writing profile data into specified directory."); | 39 "Enable writing profile data into specified directory."); |
40 DEFINE_FLAG(int, profile_period, 1000, | 40 DEFINE_FLAG(int, profile_period, 1000, |
41 "Time between profiler samples in microseconds. Minimum 250."); | 41 "Time between profiler samples in microseconds. Minimum 250."); |
42 | 42 |
43 bool Profiler::initialized_ = false; | 43 bool Profiler::initialized_ = false; |
44 Monitor* Profiler::monitor_ = NULL; | 44 Monitor* Profiler::monitor_ = NULL; |
45 SampleBuffer* Profiler::sample_buffer_ = NULL; | 45 SampleBuffer* Profiler::sample_buffer_ = NULL; |
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791 return false; | 791 return false; |
792 } | 792 } |
793 uintptr_t cursor = reinterpret_cast<uintptr_t>(fp); | 793 uintptr_t cursor = reinterpret_cast<uintptr_t>(fp); |
794 cursor += sizeof(fp); | 794 cursor += sizeof(fp); |
795 bool r = cursor >= lower_bound_ && cursor < stack_upper_; | 795 bool r = cursor >= lower_bound_ && cursor < stack_upper_; |
796 return r; | 796 return r; |
797 } | 797 } |
798 | 798 |
799 | 799 |
800 } // namespace dart | 800 } // namespace dart |
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