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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_ARM | 5 #if V8_TARGET_ARCH_ARM |
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 | 9 |
10 namespace v8 { | 10 namespace v8 { |
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27 void DebugCodegen::GenerateSlot(MacroAssembler* masm, RelocInfo::Mode mode, | 27 void DebugCodegen::GenerateSlot(MacroAssembler* masm, RelocInfo::Mode mode, |
28 int call_argc) { | 28 int call_argc) { |
29 // Generate enough nop's to make space for a call instruction. Avoid emitting | 29 // Generate enough nop's to make space for a call instruction. Avoid emitting |
30 // the constant pool in the debug break slot code. | 30 // the constant pool in the debug break slot code. |
31 Assembler::BlockConstPoolScope block_const_pool(masm); | 31 Assembler::BlockConstPoolScope block_const_pool(masm); |
32 masm->RecordDebugBreakSlot(mode, call_argc); | 32 masm->RecordDebugBreakSlot(mode, call_argc); |
33 EmitDebugBreakSlot(masm); | 33 EmitDebugBreakSlot(masm); |
34 } | 34 } |
35 | 35 |
36 | 36 |
37 void DebugCodegen::ClearDebugBreakSlot(Address pc) { | 37 void DebugCodegen::ClearDebugBreakSlot(Isolate* isolate, Address pc) { |
38 CodePatcher patcher(pc, Assembler::kDebugBreakSlotInstructions); | 38 CodePatcher patcher(isolate, pc, Assembler::kDebugBreakSlotInstructions); |
39 EmitDebugBreakSlot(patcher.masm()); | 39 EmitDebugBreakSlot(patcher.masm()); |
40 } | 40 } |
41 | 41 |
42 | 42 |
43 void DebugCodegen::PatchDebugBreakSlot(Address pc, Handle<Code> code) { | 43 void DebugCodegen::PatchDebugBreakSlot(Isolate* isolate, Address pc, |
| 44 Handle<Code> code) { |
44 DCHECK_EQ(Code::BUILTIN, code->kind()); | 45 DCHECK_EQ(Code::BUILTIN, code->kind()); |
45 CodePatcher patcher(pc, Assembler::kDebugBreakSlotInstructions); | 46 CodePatcher patcher(isolate, pc, Assembler::kDebugBreakSlotInstructions); |
46 // Patch the code changing the debug break slot code from | 47 // Patch the code changing the debug break slot code from |
47 // mov r2, r2 | 48 // mov r2, r2 |
48 // mov r2, r2 | 49 // mov r2, r2 |
49 // mov r2, r2 | 50 // mov r2, r2 |
50 // mov r2, r2 | 51 // mov r2, r2 |
51 // to a call to the debug break slot code. | 52 // to a call to the debug break slot code. |
52 // ldr ip, [pc, #0] | 53 // ldr ip, [pc, #0] |
53 // b skip | 54 // b skip |
54 // <debug break slot code entry point address> | 55 // <debug break slot code entry point address> |
55 // skip: | 56 // skip: |
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150 | 151 |
151 | 152 |
152 const bool LiveEdit::kFrameDropperSupported = true; | 153 const bool LiveEdit::kFrameDropperSupported = true; |
153 | 154 |
154 #undef __ | 155 #undef __ |
155 | 156 |
156 } // namespace internal | 157 } // namespace internal |
157 } // namespace v8 | 158 } // namespace v8 |
158 | 159 |
159 #endif // V8_TARGET_ARCH_ARM | 160 #endif // V8_TARGET_ARCH_ARM |
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