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Issue 928833003: Add Function based profile tree (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Created 5 years, 10 months ago
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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_ANDROID) 8 #if defined(TARGET_OS_ANDROID)
9 9
10 namespace dart { 10 namespace dart {
(...skipping 48 matching lines...) Expand 10 before | Expand all | Expand 10 after
59 sp = static_cast<uintptr_t>(mcontext.arm_sp); 59 sp = static_cast<uintptr_t>(mcontext.arm_sp);
60 #elif defined(TARGET_ARCH_ARM64) 60 #elif defined(TARGET_ARCH_ARM64)
61 sp = static_cast<uintptr_t>(mcontext.regs[18]); 61 sp = static_cast<uintptr_t>(mcontext.regs[18]);
62 #else 62 #else
63 UNIMPLEMENTED(); 63 UNIMPLEMENTED();
64 #endif // TARGET_ARCH_... 64 #endif // TARGET_ARCH_...
65 return sp; 65 return sp;
66 } 66 }
67 67
68 68
69 uintptr_t SignalHandler::GetLinkRegister(const mcontext_t& mcontext) {
70 uintptr_t lr = 0;
71 #if defined(TARGET_ARCH_ARM)
72 lr = static_cast<uintptr_t>(mcontext.arm_lr);
73 #elif defined(TARGET_ARCH_ARM64)
74 lr = static_cast<uintptr_t>(mcontext.regs[30]);
75 UNIMPLEMENTED();
76 #else
77 UNIMPLEMENTED();
78 #endif // TARGET_ARCH_...
79 return lr;
80 }
81
82
69 void SignalHandler::Install(SignalAction action) { 83 void SignalHandler::Install(SignalAction action) {
70 struct sigaction act; 84 struct sigaction act;
71 memset(&act, 0, sizeof(act)); 85 memset(&act, 0, sizeof(act));
72 act.sa_sigaction = action; 86 act.sa_sigaction = action;
73 act.sa_flags = SA_RESTART | SA_SIGINFO; 87 act.sa_flags = SA_RESTART | SA_SIGINFO;
74 sigemptyset(&act.sa_mask); 88 sigemptyset(&act.sa_mask);
75 // TODO(johnmccutchan): Do we care about restoring the signal handler? 89 // TODO(johnmccutchan): Do we care about restoring the signal handler?
76 struct sigaction old_act; 90 struct sigaction old_act;
77 int r = sigaction(SIGPROF, &act, &old_act); 91 int r = sigaction(SIGPROF, &act, &old_act);
78 ASSERT(r == 0); 92 ASSERT(r == 0);
79 } 93 }
80 94
81 95
82 } // namespace dart 96 } // namespace dart
83 97
84 #endif // defined(TARGET_OS_ANDROID) 98 #endif // defined(TARGET_OS_ANDROID)
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