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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 "vm/globals.h" | 5 #include "vm/globals.h" |
| 6 #include "vm/instructions.h" |
6 #include "vm/simulator.h" | 7 #include "vm/simulator.h" |
7 #include "vm/signal_handler.h" | 8 #include "vm/signal_handler.h" |
8 #if defined(TARGET_OS_LINUX) | 9 #if defined(TARGET_OS_LINUX) |
9 | 10 |
10 namespace dart { | 11 namespace dart { |
11 | 12 |
12 uintptr_t SignalHandler::GetProgramCounter(const mcontext_t& mcontext) { | 13 uintptr_t SignalHandler::GetProgramCounter(const mcontext_t& mcontext) { |
13 uintptr_t pc = 0; | 14 uintptr_t pc = 0; |
14 | 15 |
15 #if defined(HOST_ARCH_IA32) | 16 #if defined(HOST_ARCH_IA32) |
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65 sp = static_cast<uintptr_t>(mcontext.gregs[29]); | 66 sp = static_cast<uintptr_t>(mcontext.gregs[29]); |
66 #else | 67 #else |
67 #error Unsupported architecture. | 68 #error Unsupported architecture. |
68 #endif // HOST_ARCH_... | 69 #endif // HOST_ARCH_... |
69 return sp; | 70 return sp; |
70 } | 71 } |
71 | 72 |
72 | 73 |
73 uintptr_t SignalHandler::GetDartStackPointer(const mcontext_t& mcontext) { | 74 uintptr_t SignalHandler::GetDartStackPointer(const mcontext_t& mcontext) { |
74 #if defined(TARGET_ARCH_ARM64) && !defined(USING_SIMULATOR) | 75 #if defined(TARGET_ARCH_ARM64) && !defined(USING_SIMULATOR) |
75 return static_cast<uintptr_t>(mcontext.regs[19]); | 76 return static_cast<uintptr_t>(mcontext.regs[SPREG]); |
76 #else | 77 #else |
77 return GetCStackPointer(mcontext); | 78 return GetCStackPointer(mcontext); |
78 #endif | 79 #endif |
79 } | 80 } |
80 | 81 |
81 | 82 |
82 uintptr_t SignalHandler::GetLinkRegister(const mcontext_t& mcontext) { | 83 uintptr_t SignalHandler::GetLinkRegister(const mcontext_t& mcontext) { |
83 uintptr_t lr = 0; | 84 uintptr_t lr = 0; |
84 | 85 |
85 #if defined(HOST_ARCH_IA32) | 86 #if defined(HOST_ARCH_IA32) |
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118 sigemptyset(&act.sa_mask); | 119 sigemptyset(&act.sa_mask); |
119 act.sa_flags = 0; | 120 act.sa_flags = 0; |
120 int r = sigaction(SIGPROF, &act, NULL); | 121 int r = sigaction(SIGPROF, &act, NULL); |
121 ASSERT(r == 0); | 122 ASSERT(r == 0); |
122 } | 123 } |
123 | 124 |
124 | 125 |
125 } // namespace dart | 126 } // namespace dart |
126 | 127 |
127 #endif // defined(TARGET_OS_LINUX) | 128 #endif // defined(TARGET_OS_LINUX) |
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