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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #if V8_TARGET_ARCH_IA32 | 5 #if V8_TARGET_ARCH_IA32 |
6 | 6 |
7 #include "src/codegen.h" | 7 #include "src/codegen.h" |
8 #include "src/debug/debug.h" | 8 #include "src/debug/debug.h" |
9 #include "src/ia32/frames-ia32.h" | 9 #include "src/ia32/frames-ia32.h" |
10 | 10 |
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31 | 31 |
32 | 32 |
33 void DebugCodegen::ClearDebugBreakSlot(Isolate* isolate, Address pc) { | 33 void DebugCodegen::ClearDebugBreakSlot(Isolate* isolate, Address pc) { |
34 CodePatcher patcher(isolate, pc, Assembler::kDebugBreakSlotLength); | 34 CodePatcher patcher(isolate, pc, Assembler::kDebugBreakSlotLength); |
35 EmitDebugBreakSlot(patcher.masm()); | 35 EmitDebugBreakSlot(patcher.masm()); |
36 } | 36 } |
37 | 37 |
38 | 38 |
39 void DebugCodegen::PatchDebugBreakSlot(Isolate* isolate, Address pc, | 39 void DebugCodegen::PatchDebugBreakSlot(Isolate* isolate, Address pc, |
40 Handle<Code> code) { | 40 Handle<Code> code) { |
41 DCHECK_EQ(Code::BUILTIN, code->kind()); | 41 DCHECK(code->is_debug_stub()); |
42 static const int kSize = Assembler::kDebugBreakSlotLength; | 42 static const int kSize = Assembler::kDebugBreakSlotLength; |
43 CodePatcher patcher(isolate, pc, kSize); | 43 CodePatcher patcher(isolate, pc, kSize); |
44 | 44 |
45 // Add a label for checking the size of the code used for returning. | 45 // Add a label for checking the size of the code used for returning. |
46 Label check_codesize; | 46 Label check_codesize; |
47 patcher.masm()->bind(&check_codesize); | 47 patcher.masm()->bind(&check_codesize); |
48 patcher.masm()->call(code->entry(), RelocInfo::NONE32); | 48 patcher.masm()->call(code->entry(), RelocInfo::NONE32); |
49 // Check that the size of the code generated is as expected. | 49 // Check that the size of the code generated is as expected. |
50 DCHECK_EQ(kSize, patcher.masm()->SizeOfCodeGeneratedSince(&check_codesize)); | 50 DCHECK_EQ(kSize, patcher.masm()->SizeOfCodeGeneratedSince(&check_codesize)); |
51 } | 51 } |
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146 | 146 |
147 | 147 |
148 const bool LiveEdit::kFrameDropperSupported = true; | 148 const bool LiveEdit::kFrameDropperSupported = true; |
149 | 149 |
150 #undef __ | 150 #undef __ |
151 | 151 |
152 } // namespace internal | 152 } // namespace internal |
153 } // namespace v8 | 153 } // namespace v8 |
154 | 154 |
155 #endif // V8_TARGET_ARCH_IA32 | 155 #endif // V8_TARGET_ARCH_IA32 |
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