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Side by Side Diff: src/ia32/assembler-ia32-inl.h

Issue 267116: Fix X64 build in the case that debugger support is disabled. Change function... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: Created 11 years, 2 months ago
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1 // Copyright (c) 1994-2006 Sun Microsystems Inc. 1 // Copyright (c) 1994-2006 Sun Microsystems Inc.
2 // All Rights Reserved. 2 // All Rights Reserved.
3 // 3 //
4 // Redistribution and use in source and binary forms, with or without 4 // Redistribution and use in source and binary forms, with or without
5 // modification, are permitted provided that the following conditions are 5 // modification, are permitted provided that the following conditions are
6 // met: 6 // met:
7 // 7 //
8 // - Redistributions of source code must retain the above copyright notice, 8 // - Redistributions of source code must retain the above copyright notice,
9 // this list of conditions and the following disclaimer. 9 // this list of conditions and the following disclaimer.
10 // 10 //
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45 Condition NegateCondition(Condition cc) { 45 Condition NegateCondition(Condition cc) {
46 return static_cast<Condition>(cc ^ 1); 46 return static_cast<Condition>(cc ^ 1);
47 } 47 }
48 48
49 49
50 // The modes possibly affected by apply must be in kApplyMask. 50 // The modes possibly affected by apply must be in kApplyMask.
51 void RelocInfo::apply(intptr_t delta) { 51 void RelocInfo::apply(intptr_t delta) {
52 if (rmode_ == RUNTIME_ENTRY || IsCodeTarget(rmode_)) { 52 if (rmode_ == RUNTIME_ENTRY || IsCodeTarget(rmode_)) {
53 int32_t* p = reinterpret_cast<int32_t*>(pc_); 53 int32_t* p = reinterpret_cast<int32_t*>(pc_);
54 *p -= delta; // relocate entry 54 *p -= delta; // relocate entry
55 } else if (rmode_ == JS_RETURN && IsCallInstruction()) { 55 } else if (rmode_ == JS_RETURN && IsPatchedReturnSequence()) {
56 // Special handling of js_return when a break point is set (call 56 // Special handling of js_return when a break point is set (call
57 // instruction has been inserted). 57 // instruction has been inserted).
58 int32_t* p = reinterpret_cast<int32_t*>(pc_ + 1); 58 int32_t* p = reinterpret_cast<int32_t*>(pc_ + 1);
59 *p -= delta; // relocate entry 59 *p -= delta; // relocate entry
60 } else if (IsInternalReference(rmode_)) { 60 } else if (IsInternalReference(rmode_)) {
61 // absolute code pointer inside code object moves with the code object. 61 // absolute code pointer inside code object moves with the code object.
62 int32_t* p = reinterpret_cast<int32_t*>(pc_); 62 int32_t* p = reinterpret_cast<int32_t*>(pc_);
63 *p += delta; // relocate entry 63 *p += delta; // relocate entry
64 } 64 }
65 } 65 }
(...skipping 41 matching lines...) Expand 10 before | Expand all | Expand 10 after
107 } 107 }
108 108
109 109
110 Address* RelocInfo::target_reference_address() { 110 Address* RelocInfo::target_reference_address() {
111 ASSERT(rmode_ == RelocInfo::EXTERNAL_REFERENCE); 111 ASSERT(rmode_ == RelocInfo::EXTERNAL_REFERENCE);
112 return reinterpret_cast<Address*>(pc_); 112 return reinterpret_cast<Address*>(pc_);
113 } 113 }
114 114
115 115
116 Address RelocInfo::call_address() { 116 Address RelocInfo::call_address() {
117 ASSERT(IsCallInstruction()); 117 ASSERT(IsPatchedReturnSequence());
118 return Assembler::target_address_at(pc_ + 1); 118 return Assembler::target_address_at(pc_ + 1);
119 } 119 }
120 120
121 121
122 void RelocInfo::set_call_address(Address target) { 122 void RelocInfo::set_call_address(Address target) {
123 ASSERT(IsCallInstruction()); 123 ASSERT(IsPatchedReturnSequence());
124 Assembler::set_target_address_at(pc_ + 1, target); 124 Assembler::set_target_address_at(pc_ + 1, target);
125 } 125 }
126 126
127 127
128 Object* RelocInfo::call_object() { 128 Object* RelocInfo::call_object() {
129 ASSERT(IsCallInstruction()); 129 ASSERT(IsPatchedReturnSequence());
130 return *call_object_address(); 130 return *call_object_address();
131 } 131 }
132 132
133 133
134 Object** RelocInfo::call_object_address() { 134 Object** RelocInfo::call_object_address() {
135 ASSERT(IsCallInstruction()); 135 ASSERT(IsPatchedReturnSequence());
136 return reinterpret_cast<Object**>(pc_ + 1); 136 return reinterpret_cast<Object**>(pc_ + 1);
137 } 137 }
138 138
139 139
140 void RelocInfo::set_call_object(Object* target) { 140 void RelocInfo::set_call_object(Object* target) {
141 ASSERT(IsCallInstruction()); 141 ASSERT(IsPatchedReturnSequence());
142 *call_object_address() = target; 142 *call_object_address() = target;
143 } 143 }
144 144
145 145
146 bool RelocInfo::IsCallInstruction() { 146 bool RelocInfo::IsPatchedReturnSequence() {
147 return *pc_ == 0xE8; 147 return *pc_ == 0xE8;
148 } 148 }
149 149
150 150
151 Immediate::Immediate(int x) { 151 Immediate::Immediate(int x) {
152 x_ = x; 152 x_ = x;
153 rmode_ = RelocInfo::NONE; 153 rmode_ = RelocInfo::NONE;
154 } 154 }
155 155
156 156
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316 316
317 Operand::Operand(int32_t disp, RelocInfo::Mode rmode) { 317 Operand::Operand(int32_t disp, RelocInfo::Mode rmode) {
318 // [disp/r] 318 // [disp/r]
319 set_modrm(0, ebp); 319 set_modrm(0, ebp);
320 set_dispr(disp, rmode); 320 set_dispr(disp, rmode);
321 } 321 }
322 322
323 } } // namespace v8::internal 323 } } // namespace v8::internal
324 324
325 #endif // V8_IA32_ASSEMBLER_IA32_INL_H_ 325 #endif // V8_IA32_ASSEMBLER_IA32_INL_H_
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