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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 the V8 project authors. All rights reserved. |
2 // | 2 // |
3 // Redistribution and use in source and binary forms, with or without | 3 // Redistribution and use in source and binary forms, with or without |
4 // modification, are permitted provided that the following conditions are | 4 // modification, are permitted provided that the following conditions are |
5 // met: | 5 // met: |
6 // | 6 // |
7 // * Redistributions of source code must retain the above copyright | 7 // * Redistributions of source code must retain the above copyright |
8 // notice, this list of conditions and the following disclaimer. | 8 // notice, this list of conditions and the following disclaimer. |
9 // * Redistributions in binary form must reproduce the above | 9 // * Redistributions in binary form must reproduce the above |
10 // copyright notice, this list of conditions and the following | 10 // copyright notice, this list of conditions and the following |
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3135 } | 3135 } |
3136 | 3136 |
3137 | 3137 |
3138 void Assembler::RecordConstPool(int size) { | 3138 void Assembler::RecordConstPool(int size) { |
3139 // We only need this for debugger support, to correctly compute offsets in the | 3139 // We only need this for debugger support, to correctly compute offsets in the |
3140 // code. | 3140 // code. |
3141 RecordRelocInfo(RelocInfo::CONST_POOL, static_cast<intptr_t>(size)); | 3141 RecordRelocInfo(RelocInfo::CONST_POOL, static_cast<intptr_t>(size)); |
3142 } | 3142 } |
3143 | 3143 |
3144 | 3144 |
| 3145 Handle<ConstantPoolArray> Assembler::NewConstantPool(Isolate* isolate) { |
| 3146 // No out-of-line constant pool support. |
| 3147 DCHECK(!FLAG_enable_ool_constant_pool); |
| 3148 return isolate->factory()->empty_constant_pool_array(); |
| 3149 } |
| 3150 |
| 3151 |
| 3152 void Assembler::PopulateConstantPool(ConstantPoolArray* constant_pool) { |
| 3153 // No out-of-line constant pool support. |
| 3154 DCHECK(!FLAG_enable_ool_constant_pool); |
| 3155 return; |
| 3156 } |
| 3157 |
| 3158 |
3145 void PatchingAssembler::PatchAdrFar(int64_t target_offset) { | 3159 void PatchingAssembler::PatchAdrFar(int64_t target_offset) { |
3146 // The code at the current instruction should be: | 3160 // The code at the current instruction should be: |
3147 // adr rd, 0 | 3161 // adr rd, 0 |
3148 // nop (adr_far) | 3162 // nop (adr_far) |
3149 // nop (adr_far) | 3163 // nop (adr_far) |
3150 // movz scratch, 0 | 3164 // movz scratch, 0 |
3151 | 3165 |
3152 // Verify the expected code. | 3166 // Verify the expected code. |
3153 Instruction* expected_adr = InstructionAt(0); | 3167 Instruction* expected_adr = InstructionAt(0); |
3154 CHECK(expected_adr->IsAdr() && (expected_adr->ImmPCRel() == 0)); | 3168 CHECK(expected_adr->IsAdr() && (expected_adr->ImmPCRel() == 0)); |
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3172 movk(scratch, (target_offset >> 32) & 0xFFFF, 32); | 3186 movk(scratch, (target_offset >> 32) & 0xFFFF, 32); |
3173 DCHECK((target_offset >> 48) == 0); | 3187 DCHECK((target_offset >> 48) == 0); |
3174 add(rd, rd, scratch); | 3188 add(rd, rd, scratch); |
3175 } | 3189 } |
3176 | 3190 |
3177 | 3191 |
3178 } // namespace internal | 3192 } // namespace internal |
3179 } // namespace v8 | 3193 } // namespace v8 |
3180 | 3194 |
3181 #endif // V8_TARGET_ARCH_ARM64 | 3195 #endif // V8_TARGET_ARCH_ARM64 |
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