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Issue 300793002: Move LiveEdit-related code. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: fix x64 Created 6 years, 7 months ago
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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 #include "v8.h" 5 #include "v8.h"
6 6
7 #if V8_TARGET_ARCH_X64 7 #if V8_TARGET_ARCH_X64
8 8
9 #include "assembler.h" 9 #include "assembler.h"
10 #include "codegen.h" 10 #include "codegen.h"
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58 debug_info_->GetIsolate()->builtins()->Slot_DebugBreak()->entry(), 58 debug_info_->GetIsolate()->builtins()->Slot_DebugBreak()->entry(),
59 Assembler::kDebugBreakSlotLength - Assembler::kCallSequenceLength); 59 Assembler::kDebugBreakSlotLength - Assembler::kCallSequenceLength);
60 } 60 }
61 61
62 62
63 void BreakLocationIterator::ClearDebugBreakAtSlot() { 63 void BreakLocationIterator::ClearDebugBreakAtSlot() {
64 ASSERT(IsDebugBreakSlot()); 64 ASSERT(IsDebugBreakSlot());
65 rinfo()->PatchCode(original_rinfo()->pc(), Assembler::kDebugBreakSlotLength); 65 rinfo()->PatchCode(original_rinfo()->pc(), Assembler::kDebugBreakSlotLength);
66 } 66 }
67 67
68 const bool Debug::FramePaddingLayout::kIsSupported = true;
69
70 68
71 #define __ ACCESS_MASM(masm) 69 #define __ ACCESS_MASM(masm)
72 70
73 71
74 static void Generate_DebugBreakCallHelper(MacroAssembler* masm, 72 static void Generate_DebugBreakCallHelper(MacroAssembler* masm,
75 RegList object_regs, 73 RegList object_regs,
76 RegList non_object_regs, 74 RegList non_object_regs,
77 bool convert_call_to_jmp) { 75 bool convert_call_to_jmp) {
78 // Enter an internal frame. 76 // Enter an internal frame.
79 { 77 {
80 FrameScope scope(masm, StackFrame::INTERNAL); 78 FrameScope scope(masm, StackFrame::INTERNAL);
81 79
82 // Load padding words on stack. 80 // Load padding words on stack.
83 for (int i = 0; i < Debug::FramePaddingLayout::kInitialSize; i++) { 81 for (int i = 0; i < LiveEdit::kFramePaddingInitialSize; i++) {
84 __ Push(Smi::FromInt(Debug::FramePaddingLayout::kPaddingValue)); 82 __ Push(Smi::FromInt(LiveEdit::kFramePaddingValue));
85 } 83 }
86 __ Push(Smi::FromInt(Debug::FramePaddingLayout::kInitialSize)); 84 __ Push(Smi::FromInt(LiveEdit::kFramePaddingInitialSize));
87 85
88 // Store the registers containing live values on the expression stack to 86 // Store the registers containing live values on the expression stack to
89 // make sure that these are correctly updated during GC. Non object values 87 // make sure that these are correctly updated during GC. Non object values
90 // are stored as as two smis causing it to be untouched by GC. 88 // are stored as as two smis causing it to be untouched by GC.
91 ASSERT((object_regs & ~kJSCallerSaved) == 0); 89 ASSERT((object_regs & ~kJSCallerSaved) == 0);
92 ASSERT((non_object_regs & ~kJSCallerSaved) == 0); 90 ASSERT((non_object_regs & ~kJSCallerSaved) == 0);
93 ASSERT((object_regs & non_object_regs) == 0); 91 ASSERT((object_regs & non_object_regs) == 0);
94 for (int i = 0; i < kNumJSCallerSaved; i++) { 92 for (int i = 0; i < kNumJSCallerSaved; i++) {
95 int r = JSCallerSavedCode(i); 93 int r = JSCallerSavedCode(i);
96 Register reg = { r }; 94 Register reg = { r };
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302 300
303 // Get function code. 301 // Get function code.
304 __ movp(rdx, FieldOperand(rdi, JSFunction::kSharedFunctionInfoOffset)); 302 __ movp(rdx, FieldOperand(rdi, JSFunction::kSharedFunctionInfoOffset));
305 __ movp(rdx, FieldOperand(rdx, SharedFunctionInfo::kCodeOffset)); 303 __ movp(rdx, FieldOperand(rdx, SharedFunctionInfo::kCodeOffset));
306 __ leap(rdx, FieldOperand(rdx, Code::kHeaderSize)); 304 __ leap(rdx, FieldOperand(rdx, Code::kHeaderSize));
307 305
308 // Re-run JSFunction, rdi is function, rsi is context. 306 // Re-run JSFunction, rdi is function, rsi is context.
309 __ jmp(rdx); 307 __ jmp(rdx);
310 } 308 }
311 309
312 const bool Debug::kFrameDropperSupported = true; 310 const bool LiveEdit::kFrameDropperSupported = true;
313 311
314 #undef __ 312 #undef __
315 313
316 } } // namespace v8::internal 314 } } // namespace v8::internal
317 315
318 #endif // V8_TARGET_ARCH_X64 316 #endif // V8_TARGET_ARCH_X64
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