| OLD | NEW |
| 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/debug/debug.h" | 7 #include "src/debug/debug.h" |
| 8 | 8 |
| 9 #include "src/codegen.h" | 9 #include "src/codegen.h" |
| 10 #include "src/debug/liveedit.h" | 10 #include "src/debug/liveedit.h" |
| (...skipping 118 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 129 | 129 |
| 130 void DebugCodegen::GenerateFrameDropperLiveEdit(MacroAssembler* masm) { | 130 void DebugCodegen::GenerateFrameDropperLiveEdit(MacroAssembler* masm) { |
| 131 // Load the function pointer off of our current stack frame. | 131 // Load the function pointer off of our current stack frame. |
| 132 __ ldr(r1, MemOperand(fp, FrameDropperFrameConstants::kFunctionOffset)); | 132 __ ldr(r1, MemOperand(fp, FrameDropperFrameConstants::kFunctionOffset)); |
| 133 | 133 |
| 134 // Pop return address, frame and constant pool pointer (if | 134 // Pop return address, frame and constant pool pointer (if |
| 135 // FLAG_enable_embedded_constant_pool). | 135 // FLAG_enable_embedded_constant_pool). |
| 136 __ LeaveFrame(StackFrame::INTERNAL); | 136 __ LeaveFrame(StackFrame::INTERNAL); |
| 137 | 137 |
| 138 ParameterCount dummy(0); | 138 ParameterCount dummy(0); |
| 139 __ FloodFunctionIfStepping(r1, no_reg, dummy, dummy); | 139 __ CheckDebugHook(r1, no_reg, dummy, dummy); |
| 140 | 140 |
| 141 { ConstantPoolUnavailableScope constant_pool_unavailable(masm); | 141 { ConstantPoolUnavailableScope constant_pool_unavailable(masm); |
| 142 // Load context from the function. | 142 // Load context from the function. |
| 143 __ ldr(cp, FieldMemOperand(r1, JSFunction::kContextOffset)); | 143 __ ldr(cp, FieldMemOperand(r1, JSFunction::kContextOffset)); |
| 144 | 144 |
| 145 // Clear new.target as a safety measure. | 145 // Clear new.target as a safety measure. |
| 146 __ LoadRoot(r3, Heap::kUndefinedValueRootIndex); | 146 __ LoadRoot(r3, Heap::kUndefinedValueRootIndex); |
| 147 | 147 |
| 148 // Get function code. | 148 // Get function code. |
| 149 __ ldr(ip, FieldMemOperand(r1, JSFunction::kSharedFunctionInfoOffset)); | 149 __ ldr(ip, FieldMemOperand(r1, JSFunction::kSharedFunctionInfoOffset)); |
| 150 __ ldr(ip, FieldMemOperand(ip, SharedFunctionInfo::kCodeOffset)); | 150 __ ldr(ip, FieldMemOperand(ip, SharedFunctionInfo::kCodeOffset)); |
| 151 __ add(ip, ip, Operand(Code::kHeaderSize - kHeapObjectTag)); | 151 __ add(ip, ip, Operand(Code::kHeaderSize - kHeapObjectTag)); |
| 152 | 152 |
| 153 // Re-run JSFunction, r1 is function, cp is context. | 153 // Re-run JSFunction, r1 is function, cp is context. |
| 154 __ Jump(ip); | 154 __ Jump(ip); |
| 155 } | 155 } |
| 156 } | 156 } |
| 157 | 157 |
| 158 | 158 |
| 159 const bool LiveEdit::kFrameDropperSupported = true; | 159 const bool LiveEdit::kFrameDropperSupported = true; |
| 160 | 160 |
| 161 #undef __ | 161 #undef __ |
| 162 | 162 |
| 163 } // namespace internal | 163 } // namespace internal |
| 164 } // namespace v8 | 164 } // namespace v8 |
| 165 | 165 |
| 166 #endif // V8_TARGET_ARCH_ARM | 166 #endif // V8_TARGET_ARCH_ARM |
| OLD | NEW |