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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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