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Side by Side Diff: src/debug/mips64/debug-mips64.cc

Issue 1696043002: [runtime] Unify and simplify how frames are marked (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Fix merge problems Created 4 years, 9 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 #if V8_TARGET_ARCH_MIPS64 5 #if V8_TARGET_ARCH_MIPS64
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 {
(...skipping 98 matching lines...) Expand 10 before | Expand all | Expand 10 after
109 ExternalReference after_break_target = 109 ExternalReference after_break_target =
110 ExternalReference::debug_after_break_target_address(masm->isolate()); 110 ExternalReference::debug_after_break_target_address(masm->isolate());
111 __ li(t9, Operand(after_break_target)); 111 __ li(t9, Operand(after_break_target));
112 __ ld(t9, MemOperand(t9)); 112 __ ld(t9, MemOperand(t9));
113 __ Jump(t9); 113 __ Jump(t9);
114 } 114 }
115 115
116 116
117 void DebugCodegen::GenerateFrameDropperLiveEdit(MacroAssembler* masm) { 117 void DebugCodegen::GenerateFrameDropperLiveEdit(MacroAssembler* masm) {
118 // We do not know our frame height, but set sp based on fp. 118 // We do not know our frame height, but set sp based on fp.
119 __ Dsubu(sp, fp, Operand(kPointerSize)); 119 __ ld(a1, MemOperand(fp, FrameDropperFrameConstants::kFunctionOffset));
120 120
121 __ Pop(ra, fp, a1); // Return address, Frame, Function. 121 // Pop return address and frame.
122 __ LeaveFrame(StackFrame::INTERNAL);
122 123
123 ParameterCount dummy(0); 124 ParameterCount dummy(0);
124 __ FloodFunctionIfStepping(a1, no_reg, dummy, dummy); 125 __ FloodFunctionIfStepping(a1, no_reg, dummy, dummy);
125 126
126 // Load context from the function. 127 // Load context from the function.
127 __ ld(cp, FieldMemOperand(a1, JSFunction::kContextOffset)); 128 __ ld(cp, FieldMemOperand(a1, JSFunction::kContextOffset));
128 129
129 // Clear new.target as a safety measure. 130 // Clear new.target as a safety measure.
130 __ LoadRoot(a3, Heap::kUndefinedValueRootIndex); 131 __ LoadRoot(a3, Heap::kUndefinedValueRootIndex);
131 132
132 // Get function code. 133 // Get function code.
133 __ ld(at, FieldMemOperand(a1, JSFunction::kSharedFunctionInfoOffset)); 134 __ ld(at, FieldMemOperand(a1, JSFunction::kSharedFunctionInfoOffset));
134 __ ld(at, FieldMemOperand(at, SharedFunctionInfo::kCodeOffset)); 135 __ ld(at, FieldMemOperand(at, SharedFunctionInfo::kCodeOffset));
135 __ Daddu(t9, at, Operand(Code::kHeaderSize - kHeapObjectTag)); 136 __ Daddu(t9, at, Operand(Code::kHeaderSize - kHeapObjectTag));
136 137
137 // Re-run JSFunction, a1 is function, cp is context. 138 // Re-run JSFunction, a1 is function, cp is context.
138 __ Jump(t9); 139 __ Jump(t9);
139 } 140 }
140 141
141 142
142 const bool LiveEdit::kFrameDropperSupported = true; 143 const bool LiveEdit::kFrameDropperSupported = true;
143 144
144 #undef __ 145 #undef __
145 146
146 } // namespace internal 147 } // namespace internal
147 } // namespace v8 148 } // namespace v8
148 149
149 #endif // V8_TARGET_ARCH_MIPS64 150 #endif // V8_TARGET_ARCH_MIPS64
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