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1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2011, 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 #if defined(TARGET_ARCH_IA32) | 6 #if defined(TARGET_ARCH_IA32) |
7 | 7 |
8 #include "vm/debugger.h" | 8 #include "vm/debugger.h" |
9 | 9 |
10 #include "vm/code_patcher.h" | 10 #include "vm/code_patcher.h" |
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43 | 43 |
44 | 44 |
45 void CodeBreakpoint::PatchCode() { | 45 void CodeBreakpoint::PatchCode() { |
46 ASSERT(!is_enabled_); | 46 ASSERT(!is_enabled_); |
47 const Code& code = Code::Handle(code_); | 47 const Code& code = Code::Handle(code_); |
48 const Instructions& instrs = Instructions::Handle(code.instructions()); | 48 const Instructions& instrs = Instructions::Handle(code.instructions()); |
49 { | 49 { |
50 WritableInstructionsScope writable(instrs.EntryPoint(), instrs.size()); | 50 WritableInstructionsScope writable(instrs.EntryPoint(), instrs.size()); |
51 switch (breakpoint_kind_) { | 51 switch (breakpoint_kind_) { |
52 case RawPcDescriptors::kIcCall: | 52 case RawPcDescriptors::kIcCall: |
53 case RawPcDescriptors::kUnoptStaticCall: | 53 case RawPcDescriptors::kUnoptStaticCall: { |
54 case RawPcDescriptors::kRuntimeCall: | 54 saved_value_ = CodePatcher::GetStaticCallTargetAt(pc_, code); |
| 55 CodePatcher::PatchStaticCallAt( |
| 56 pc_, code, StubCode::ICCallBreakpointEntryPoint()); |
| 57 break; |
| 58 } |
55 case RawPcDescriptors::kClosureCall: { | 59 case RawPcDescriptors::kClosureCall: { |
56 saved_value_ = CodePatcher::GetStaticCallTargetAt(pc_, code); | 60 saved_value_ = CodePatcher::GetStaticCallTargetAt(pc_, code); |
57 CodePatcher::PatchStaticCallAt(pc_, code, | 61 CodePatcher::PatchStaticCallAt( |
58 StubCode::BreakpointRuntimeEntryPoint()); | 62 pc_, code, StubCode::ClosureCallBreakpointEntryPoint()); |
| 63 break; |
| 64 } |
| 65 case RawPcDescriptors::kRuntimeCall: { |
| 66 saved_value_ = CodePatcher::GetStaticCallTargetAt(pc_, code); |
| 67 CodePatcher::PatchStaticCallAt( |
| 68 pc_, code, StubCode::RuntimeCallBreakpointEntryPoint()); |
59 break; | 69 break; |
60 } | 70 } |
61 default: | 71 default: |
62 UNREACHABLE(); | 72 UNREACHABLE(); |
63 } | 73 } |
64 } | 74 } |
65 is_enabled_ = true; | 75 is_enabled_ = true; |
66 } | 76 } |
67 | 77 |
68 | 78 |
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83 default: | 93 default: |
84 UNREACHABLE(); | 94 UNREACHABLE(); |
85 } | 95 } |
86 } | 96 } |
87 is_enabled_ = false; | 97 is_enabled_ = false; |
88 } | 98 } |
89 | 99 |
90 } // namespace dart | 100 } // namespace dart |
91 | 101 |
92 #endif // defined TARGET_ARCH_IA32 | 102 #endif // defined TARGET_ARCH_IA32 |
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