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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/simulator.h" | 6 #include "vm/simulator.h" |
7 #include "vm/signal_handler.h" | 7 #include "vm/signal_handler.h" |
8 #if defined(TARGET_OS_LINUX) | 8 #if defined(TARGET_OS_LINUX) |
9 | 9 |
10 namespace dart { | 10 namespace dart { |
11 | 11 |
12 uintptr_t SignalHandler::GetProgramCounter(const mcontext_t& mcontext) { | 12 uintptr_t SignalHandler::GetProgramCounter(const mcontext_t& mcontext) { |
13 uintptr_t pc = 0; | 13 uintptr_t pc = 0; |
14 | 14 |
15 #if defined(TARGET_ARCH_IA32) | 15 #if defined(HOST_ARCH_IA32) |
16 pc = static_cast<uintptr_t>(mcontext.gregs[REG_EIP]); | 16 pc = static_cast<uintptr_t>(mcontext.gregs[REG_EIP]); |
17 #elif defined(TARGET_ARCH_X64) | 17 #elif defined(HOST_ARCH_X64) |
18 pc = static_cast<uintptr_t>(mcontext.gregs[REG_RIP]); | 18 pc = static_cast<uintptr_t>(mcontext.gregs[REG_RIP]); |
19 #elif defined(TARGET_ARCH_MIPS) && defined(USING_SIMULATOR) | 19 #elif defined(HOST_ARCH_ARM) |
20 pc = static_cast<uintptr_t>(mcontext.gregs[REG_EIP]); | |
21 #elif defined(TARGET_ARCH_ARM) && defined(USING_SIMULATOR) | |
22 pc = static_cast<uintptr_t>(mcontext.gregs[REG_EIP]); | |
23 #elif defined(TARGET_ARCH_ARM64) && defined(USING_SIMULATOR) | |
24 pc = static_cast<uintptr_t>(mcontext.gregs[REG_RIP]); | |
25 #elif defined(TARGET_ARCH_ARM) | |
26 pc = static_cast<uintptr_t>(mcontext.arm_pc); | 20 pc = static_cast<uintptr_t>(mcontext.arm_pc); |
27 #elif defined(TARGET_ARCH_ARM64) | 21 #elif defined(HOST_ARCH_ARM64) |
28 pc = static_cast<uintptr_t>(mcontext.pc); | 22 pc = static_cast<uintptr_t>(mcontext.pc); |
29 #elif defined(TARGET_ARCH_MIPS) | 23 #elif defined(HOST_ARCH_MIPS) |
30 pc = static_cast<uintptr_t>(mcontext.pc); | 24 pc = static_cast<uintptr_t>(mcontext.pc); |
31 #else | 25 #else |
32 UNIMPLEMENTED(); | 26 #error Unsupported architecture. |
33 #endif // TARGET_ARCH_... | 27 #endif // HOST_ARCH_... |
34 return pc; | 28 return pc; |
35 } | 29 } |
36 | 30 |
37 | 31 |
38 uintptr_t SignalHandler::GetFramePointer(const mcontext_t& mcontext) { | 32 uintptr_t SignalHandler::GetFramePointer(const mcontext_t& mcontext) { |
39 uintptr_t fp = 0; | 33 uintptr_t fp = 0; |
40 | 34 |
41 #if defined(TARGET_ARCH_IA32) | 35 #if defined(HOST_ARCH_IA32) |
42 fp = static_cast<uintptr_t>(mcontext.gregs[REG_EBP]); | 36 fp = static_cast<uintptr_t>(mcontext.gregs[REG_EBP]); |
43 #elif defined(TARGET_ARCH_X64) | 37 #elif defined(HOST_ARCH_X64) |
44 fp = static_cast<uintptr_t>(mcontext.gregs[REG_RBP]); | 38 fp = static_cast<uintptr_t>(mcontext.gregs[REG_RBP]); |
45 #elif defined(TARGET_ARCH_MIPS) && defined(USING_SIMULATOR) | 39 #elif defined(HOST_ARCH_ARM) |
46 fp = static_cast<uintptr_t>(mcontext.gregs[REG_EBP]); | |
47 #elif defined(TARGET_ARCH_ARM) && defined(USING_SIMULATOR) | |
48 fp = static_cast<uintptr_t>(mcontext.gregs[REG_EBP]); | |
49 #elif defined(TARGET_ARCH_ARM64) && defined(USING_SIMULATOR) | |
50 fp = static_cast<uintptr_t>(mcontext.gregs[REG_RBP]); | |
51 #elif defined(TARGET_ARCH_ARM) | |
52 fp = static_cast<uintptr_t>(mcontext.arm_fp); | 40 fp = static_cast<uintptr_t>(mcontext.arm_fp); |
53 #elif defined(TARGET_ARCH_ARM64) | 41 #elif defined(HOST_ARCH_ARM64) |
54 fp = static_cast<uintptr_t>(mcontext.regs[29]); | 42 fp = static_cast<uintptr_t>(mcontext.regs[29]); |
55 #elif defined(TARGET_ARCH_MIPS) | 43 #elif defined(HOST_ARCH_MIPS) |
56 fp = static_cast<uintptr_t>(mcontext.gregs[30]); | 44 fp = static_cast<uintptr_t>(mcontext.gregs[30]); |
57 #else | 45 #else |
58 UNIMPLEMENTED(); | 46 #error Unsupported architecture. |
59 #endif // TARGET_ARCH_... | 47 #endif // HOST_ARCH_... |
60 | 48 |
61 return fp; | 49 return fp; |
62 } | 50 } |
63 | 51 |
64 | 52 |
65 uintptr_t SignalHandler::GetCStackPointer(const mcontext_t& mcontext) { | 53 uintptr_t SignalHandler::GetCStackPointer(const mcontext_t& mcontext) { |
66 uintptr_t sp = 0; | 54 uintptr_t sp = 0; |
67 | 55 |
68 #if defined(TARGET_ARCH_IA32) | 56 #if defined(HOST_ARCH_IA32) |
69 sp = static_cast<uintptr_t>(mcontext.gregs[REG_ESP]); | 57 sp = static_cast<uintptr_t>(mcontext.gregs[REG_ESP]); |
70 #elif defined(TARGET_ARCH_X64) | 58 #elif defined(HOST_ARCH_X64) |
71 sp = static_cast<uintptr_t>(mcontext.gregs[REG_RSP]); | 59 sp = static_cast<uintptr_t>(mcontext.gregs[REG_RSP]); |
72 #elif defined(TARGET_ARCH_MIPS) && defined(USING_SIMULATOR) | 60 #elif defined(HOST_ARCH_ARM) |
73 sp = static_cast<uintptr_t>(mcontext.gregs[REG_ESP]); | |
74 #elif defined(TARGET_ARCH_ARM) && defined(USING_SIMULATOR) | |
75 sp = static_cast<uintptr_t>(mcontext.gregs[REG_ESP]); | |
76 #elif defined(TARGET_ARCH_ARM64) && defined(USING_SIMULATOR) | |
77 sp = static_cast<uintptr_t>(mcontext.gregs[REG_RSP]); | |
78 #elif defined(TARGET_ARCH_ARM) | |
79 sp = static_cast<uintptr_t>(mcontext.arm_sp); | 61 sp = static_cast<uintptr_t>(mcontext.arm_sp); |
80 #elif defined(TARGET_ARCH_ARM64) | 62 #elif defined(HOST_ARCH_ARM64) |
81 sp = static_cast<uintptr_t>(mcontext.sp); | 63 sp = static_cast<uintptr_t>(mcontext.sp); |
82 #elif defined(TARGET_ARCH_MIPS) | 64 #elif defined(HOST_ARCH_MIPS) |
83 sp = static_cast<uintptr_t>(mcontext.gregs[29]); | 65 sp = static_cast<uintptr_t>(mcontext.gregs[29]); |
84 #else | 66 #else |
85 UNIMPLEMENTED(); | 67 #error Unsupported architecture. |
86 #endif // TARGET_ARCH_... | 68 #endif // HOST_ARCH_... |
87 return sp; | 69 return sp; |
88 } | 70 } |
89 | 71 |
90 | 72 |
91 uintptr_t SignalHandler::GetDartStackPointer(const mcontext_t& mcontext) { | 73 uintptr_t SignalHandler::GetDartStackPointer(const mcontext_t& mcontext) { |
92 #if defined(TARGET_ARCH_ARM64) && !defined(USING_SIMULATOR) | 74 #if defined(TARGET_ARCH_ARM64) && !defined(USING_SIMULATOR) |
93 return static_cast<uintptr_t>(mcontext.regs[18]); | 75 return static_cast<uintptr_t>(mcontext.regs[18]); |
94 #else | 76 #else |
95 return GetCStackPointer(mcontext); | 77 return GetCStackPointer(mcontext); |
96 #endif | 78 #endif |
97 } | 79 } |
98 | 80 |
99 | 81 |
100 uintptr_t SignalHandler::GetLinkRegister(const mcontext_t& mcontext) { | 82 uintptr_t SignalHandler::GetLinkRegister(const mcontext_t& mcontext) { |
101 uintptr_t lr = 0; | 83 uintptr_t lr = 0; |
102 | 84 |
103 #if defined(TARGET_ARCH_IA32) | 85 #if defined(HOST_ARCH_IA32) |
104 lr = 0; | 86 lr = 0; |
105 #elif defined(TARGET_ARCH_X64) | 87 #elif defined(HOST_ARCH_X64) |
106 lr = 0; | 88 lr = 0; |
107 #elif defined(TARGET_ARCH_MIPS) && defined(USING_SIMULATOR) | 89 #elif defined(HOST_ARCH_ARM) |
108 lr = 0; | |
109 #elif defined(TARGET_ARCH_ARM) && defined(USING_SIMULATOR) | |
110 lr = 0; | |
111 #elif defined(TARGET_ARCH_ARM64) && defined(USING_SIMULATOR) | |
112 lr = 0; | |
113 #elif defined(TARGET_ARCH_ARM) | |
114 lr = static_cast<uintptr_t>(mcontext.arm_lr); | 90 lr = static_cast<uintptr_t>(mcontext.arm_lr); |
115 #elif defined(TARGET_ARCH_ARM64) | 91 #elif defined(HOST_ARCH_ARM64) |
116 lr = static_cast<uintptr_t>(mcontext.regs[30]); | 92 lr = static_cast<uintptr_t>(mcontext.regs[30]); |
117 #elif defined(TARGET_ARCH_MIPS) | 93 #elif defined(HOST_ARCH_MIPS) |
118 lr = static_cast<uintptr_t>(mcontext.gregs[31]); | 94 lr = static_cast<uintptr_t>(mcontext.gregs[31]); |
119 #else | 95 #else |
120 UNIMPLEMENTED(); | 96 #error Unsupported architecture. |
121 #endif // TARGET_ARCH_... | 97 #endif // HOST_ARCH_... |
122 return lr; | 98 return lr; |
123 } | 99 } |
124 | 100 |
125 | 101 |
126 void SignalHandler::Install(SignalAction action) { | 102 void SignalHandler::Install(SignalAction action) { |
127 struct sigaction act; | 103 struct sigaction act; |
128 act.sa_handler = NULL; | 104 act.sa_handler = NULL; |
129 act.sa_sigaction = action; | 105 act.sa_sigaction = action; |
130 sigemptyset(&act.sa_mask); | 106 sigemptyset(&act.sa_mask); |
131 act.sa_flags = SA_RESTART | SA_SIGINFO; | 107 act.sa_flags = SA_RESTART | SA_SIGINFO; |
(...skipping 10 matching lines...) Expand all Loading... |
142 sigemptyset(&act.sa_mask); | 118 sigemptyset(&act.sa_mask); |
143 act.sa_flags = 0; | 119 act.sa_flags = 0; |
144 int r = sigaction(SIGPROF, &act, NULL); | 120 int r = sigaction(SIGPROF, &act, NULL); |
145 ASSERT(r == 0); | 121 ASSERT(r == 0); |
146 } | 122 } |
147 | 123 |
148 | 124 |
149 } // namespace dart | 125 } // namespace dart |
150 | 126 |
151 #endif // defined(TARGET_OS_LINUX) | 127 #endif // defined(TARGET_OS_LINUX) |
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