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Issue 19464002: Replaces Location::ToStackSlotAddress() with Location::ToStackSlotOffset() (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/
Patch Set: Created 7 years, 5 months ago
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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a 2 // for details. All rights reserved. Use of this source code is governed by a
3 // BSD-style license that can be found in the LICENSE file. 3 // BSD-style license that can be found in the LICENSE file.
4 4
5 #include "vm/globals.h" 5 #include "vm/globals.h"
6 #if defined(TARGET_ARCH_IA32) 6 #if defined(TARGET_ARCH_IA32)
7 7
8 #include "vm/assembler.h" 8 #include "vm/assembler.h"
9 #include "vm/code_generator.h" 9 #include "vm/code_generator.h"
10 #include "vm/heap.h" 10 #include "vm/heap.h"
11 #include "vm/locations.h"
11 #include "vm/memory_region.h" 12 #include "vm/memory_region.h"
12 #include "vm/runtime_entry.h" 13 #include "vm/runtime_entry.h"
13 #include "vm/stack_frame.h" 14 #include "vm/stack_frame.h"
14 #include "vm/stub_code.h" 15 #include "vm/stub_code.h"
15 16
16 namespace dart { 17 namespace dart {
17 18
18 DEFINE_FLAG(bool, print_stop_message, true, "Print stop message."); 19 DEFINE_FLAG(bool, print_stop_message, true, "Print stop message.");
19 DEFINE_FLAG(bool, use_sse41, true, "Use SSE 4.1 if available"); 20 DEFINE_FLAG(bool, use_sse41, true, "Use SSE 4.1 if available");
20 DECLARE_FLAG(bool, inline_alloc); 21 DECLARE_FLAG(bool, inline_alloc);
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76 public: 77 public:
77 void Process(const MemoryRegion& region, int position) { 78 void Process(const MemoryRegion& region, int position) {
78 // Direct calls are relative to the following instruction on x86. 79 // Direct calls are relative to the following instruction on x86.
79 int32_t pointer = region.Load<int32_t>(position); 80 int32_t pointer = region.Load<int32_t>(position);
80 int32_t delta = region.start() + position + sizeof(int32_t); 81 int32_t delta = region.start() + position + sizeof(int32_t);
81 region.Store<int32_t>(position, pointer - delta); 82 region.Store<int32_t>(position, pointer - delta);
82 } 83 }
83 }; 84 };
84 85
85 86
87 Address Address::StackSlotAddress(const Location& stack_slot) {
88 ASSERT(stack_slot.IsStackSlot() || stack_slot.IsDoubleStackSlot() ||
89 stack_slot.IsQuadStackSlot());
90 return Address(EBP, stack_slot.ToStackSlotOffset());
91 }
92
93
86 void Assembler::InitializeMemoryWithBreakpoints(uword data, int length) { 94 void Assembler::InitializeMemoryWithBreakpoints(uword data, int length) {
87 memset(reinterpret_cast<void*>(data), Instr::kBreakPointInstruction, length); 95 memset(reinterpret_cast<void*>(data), Instr::kBreakPointInstruction, length);
88 } 96 }
89 97
90 98
91 void Assembler::call(Register reg) { 99 void Assembler::call(Register reg) {
92 AssemblerBuffer::EnsureCapacity ensured(&buffer_); 100 AssemblerBuffer::EnsureCapacity ensured(&buffer_);
93 EmitUint8(0xFF); 101 EmitUint8(0xFF);
94 EmitRegisterOperand(2, reg); 102 EmitRegisterOperand(2, reg);
95 } 103 }
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2403 2411
2404 const char* Assembler::FpuRegisterName(FpuRegister reg) { 2412 const char* Assembler::FpuRegisterName(FpuRegister reg) {
2405 ASSERT((0 <= reg) && (reg < kNumberOfXmmRegisters)); 2413 ASSERT((0 <= reg) && (reg < kNumberOfXmmRegisters));
2406 return xmm_reg_names[reg]; 2414 return xmm_reg_names[reg];
2407 } 2415 }
2408 2416
2409 2417
2410 } // namespace dart 2418 } // namespace dart
2411 2419
2412 #endif // defined TARGET_ARCH_IA32 2420 #endif // defined TARGET_ARCH_IA32
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