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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 #if defined(TARGET_ARCH_MIPS) | 6 #if defined(TARGET_ARCH_MIPS) |
7 | 7 |
8 #include "vm/code_patcher.h" | 8 #include "vm/code_patcher.h" |
9 #include "vm/cpu.h" | 9 #include "vm/cpu.h" |
10 #include "vm/debugger.h" | 10 #include "vm/debugger.h" |
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34 | 34 |
35 | 35 |
36 uword CodeBreakpoint::OrigStubAddress() const { | 36 uword CodeBreakpoint::OrigStubAddress() const { |
37 return saved_value_; | 37 return saved_value_; |
38 } | 38 } |
39 | 39 |
40 | 40 |
41 void CodeBreakpoint::PatchCode() { | 41 void CodeBreakpoint::PatchCode() { |
42 ASSERT(!is_enabled_); | 42 ASSERT(!is_enabled_); |
43 switch (breakpoint_kind_) { | 43 switch (breakpoint_kind_) { |
44 case PcDescriptors::kIcCall: { | 44 case PcDescriptors::kIcCall: |
45 const Code& code = | |
46 Code::Handle(Function::Handle(function_).unoptimized_code()); | |
47 saved_value_ = CodePatcher::GetInstanceCallAt(pc_, code, NULL); | |
48 CodePatcher::PatchInstanceCallAt(pc_, code, | |
49 StubCode::BreakpointDynamicEntryPoint()); | |
50 break; | |
51 } | |
52 case PcDescriptors::kUnoptStaticCall: | 45 case PcDescriptors::kUnoptStaticCall: |
53 case PcDescriptors::kRuntimeCall: | 46 case PcDescriptors::kRuntimeCall: |
54 case PcDescriptors::kClosureCall: | 47 case PcDescriptors::kClosureCall: |
55 case PcDescriptors::kReturn: { | 48 case PcDescriptors::kReturn: { |
56 const Code& code = | 49 const Code& code = |
57 Code::Handle(Function::Handle(function_).unoptimized_code()); | 50 Code::Handle(Function::Handle(function_).unoptimized_code()); |
58 saved_value_ = CodePatcher::GetStaticCallTargetAt(pc_, code); | 51 saved_value_ = CodePatcher::GetStaticCallTargetAt(pc_, code); |
59 CodePatcher::PatchStaticCallAt(pc_, code, | 52 CodePatcher::PatchStaticCallAt(pc_, code, |
60 StubCode::BreakpointRuntimeEntryPoint()); | 53 StubCode::BreakpointRuntimeEntryPoint()); |
61 break; | 54 break; |
62 } | 55 } |
63 default: | 56 default: |
64 UNREACHABLE(); | 57 UNREACHABLE(); |
65 } | 58 } |
66 is_enabled_ = true; | 59 is_enabled_ = true; |
67 } | 60 } |
68 | 61 |
69 | 62 |
70 void CodeBreakpoint::RestoreCode() { | 63 void CodeBreakpoint::RestoreCode() { |
71 ASSERT(is_enabled_); | 64 ASSERT(is_enabled_); |
72 switch (breakpoint_kind_) { | 65 switch (breakpoint_kind_) { |
73 case PcDescriptors::kIcCall: { | 66 case PcDescriptors::kIcCall: |
74 const Code& code = | |
75 Code::Handle(Function::Handle(function_).unoptimized_code()); | |
76 CodePatcher::PatchInstanceCallAt(pc_, code, saved_value_); | |
77 break; | |
78 } | |
79 case PcDescriptors::kUnoptStaticCall: | 67 case PcDescriptors::kUnoptStaticCall: |
80 case PcDescriptors::kClosureCall: | 68 case PcDescriptors::kClosureCall: |
81 case PcDescriptors::kRuntimeCall: | 69 case PcDescriptors::kRuntimeCall: |
82 case PcDescriptors::kReturn: { | 70 case PcDescriptors::kReturn: { |
83 const Code& code = | 71 const Code& code = |
84 Code::Handle(Function::Handle(function_).unoptimized_code()); | 72 Code::Handle(Function::Handle(function_).unoptimized_code()); |
85 CodePatcher::PatchStaticCallAt(pc_, code, saved_value_); | 73 CodePatcher::PatchStaticCallAt(pc_, code, saved_value_); |
86 break; | 74 break; |
87 } | 75 } |
88 default: | 76 default: |
89 UNREACHABLE(); | 77 UNREACHABLE(); |
90 } | 78 } |
91 is_enabled_ = false; | 79 is_enabled_ = false; |
92 } | 80 } |
93 | 81 |
94 } // namespace dart | 82 } // namespace dart |
95 | 83 |
96 #endif // defined TARGET_ARCH_MIPS | 84 #endif // defined TARGET_ARCH_MIPS |
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