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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_X87 | 5 #if V8_TARGET_ARCH_X87 |
| 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/x87/frames-x87.h" | 9 #include "src/x87/frames-x87.h" |
| 10 | 10 |
| 11 namespace v8 { | 11 namespace v8 { |
| 12 namespace internal { | 12 namespace internal { |
| 13 | 13 |
| 14 #define __ ACCESS_MASM(masm) | 14 #define __ ACCESS_MASM(masm) |
| 15 | 15 |
| 16 | 16 |
| 17 void EmitDebugBreakSlot(MacroAssembler* masm) { | 17 void EmitDebugBreakSlot(MacroAssembler* masm) { |
| 18 Label check_codesize; | 18 Label check_codesize; |
| 19 __ bind(&check_codesize); | 19 __ bind(&check_codesize); |
| 20 __ Nop(Assembler::kDebugBreakSlotLength); | 20 __ Nop(Assembler::kDebugBreakSlotLength); |
| 21 DCHECK_EQ(Assembler::kDebugBreakSlotLength, | 21 DCHECK_EQ(Assembler::kDebugBreakSlotLength, |
| 22 masm->SizeOfCodeGeneratedSince(&check_codesize)); | 22 masm->SizeOfCodeGeneratedSince(&check_codesize)); |
| 23 } | 23 } |
| 24 | 24 |
| 25 | 25 |
| 26 void DebugCodegen::GenerateSlot(MacroAssembler* masm, RelocInfo::Mode mode, | 26 void DebugCodegen::GenerateSlot(MacroAssembler* masm, RelocInfo::Mode mode) { |
| 27 int call_argc) { | |
| 28 // Generate enough nop's to make space for a call instruction. | 27 // Generate enough nop's to make space for a call instruction. |
| 29 masm->RecordDebugBreakSlot(mode, call_argc); | 28 masm->RecordDebugBreakSlot(mode); |
| 30 EmitDebugBreakSlot(masm); | 29 EmitDebugBreakSlot(masm); |
| 31 } | 30 } |
| 32 | 31 |
| 33 | 32 |
| 34 void DebugCodegen::ClearDebugBreakSlot(Isolate* isolate, Address pc) { | 33 void DebugCodegen::ClearDebugBreakSlot(Isolate* isolate, Address pc) { |
| 35 CodePatcher patcher(isolate, pc, Assembler::kDebugBreakSlotLength); | 34 CodePatcher patcher(isolate, pc, Assembler::kDebugBreakSlotLength); |
| 36 EmitDebugBreakSlot(patcher.masm()); | 35 EmitDebugBreakSlot(patcher.masm()); |
| 37 } | 36 } |
| 38 | 37 |
| 39 | 38 |
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| 137 | 136 |
| 138 | 137 |
| 139 const bool LiveEdit::kFrameDropperSupported = true; | 138 const bool LiveEdit::kFrameDropperSupported = true; |
| 140 | 139 |
| 141 #undef __ | 140 #undef __ |
| 142 | 141 |
| 143 } // namespace internal | 142 } // namespace internal |
| 144 } // namespace v8 | 143 } // namespace v8 |
| 145 | 144 |
| 146 #endif // V8_TARGET_ARCH_X87 | 145 #endif // V8_TARGET_ARCH_X87 |
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