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Issue 2097023002: Reland [heap] Avoid the use of cells to point from code to new-space objects. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: rebase. Created 4 years, 5 months ago
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2 // Copyright (c) 1994-2006 Sun Microsystems Inc. 2 // Copyright (c) 1994-2006 Sun Microsystems Inc.
3 // All Rights Reserved. 3 // All Rights Reserved.
4 // 4 //
5 // Redistribution and use in source and binary forms, with or without 5 // Redistribution and use in source and binary forms, with or without
6 // modification, are permitted provided that the following conditions are 6 // modification, are permitted provided that the following conditions are
7 // met: 7 // met:
8 // 8 //
9 // - Redistributions of source code must retain the above copyright notice, 9 // - Redistributions of source code must retain the above copyright notice,
10 // this list of conditions and the following disclaimer. 10 // this list of conditions and the following disclaimer.
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206 ICacheFlushMode icache_flush_mode) { 206 ICacheFlushMode icache_flush_mode) {
207 DCHECK(IsCodeTarget(rmode_) || rmode_ == EMBEDDED_OBJECT); 207 DCHECK(IsCodeTarget(rmode_) || rmode_ == EMBEDDED_OBJECT);
208 Assembler::set_target_address_at(isolate_, pc_, host_, 208 Assembler::set_target_address_at(isolate_, pc_, host_,
209 reinterpret_cast<Address>(target), 209 reinterpret_cast<Address>(target),
210 icache_flush_mode); 210 icache_flush_mode);
211 if (write_barrier_mode == UPDATE_WRITE_BARRIER && 211 if (write_barrier_mode == UPDATE_WRITE_BARRIER &&
212 host() != NULL && 212 host() != NULL &&
213 target->IsHeapObject()) { 213 target->IsHeapObject()) {
214 host()->GetHeap()->incremental_marking()->RecordWriteIntoCode( 214 host()->GetHeap()->incremental_marking()->RecordWriteIntoCode(
215 host(), this, HeapObject::cast(target)); 215 host(), this, HeapObject::cast(target));
216 host()->GetHeap()->RecordWriteIntoCode(host(), this, target);
216 } 217 }
217 } 218 }
218 219
219 220
220 Address RelocInfo::target_external_reference() { 221 Address RelocInfo::target_external_reference() {
221 DCHECK(rmode_ == EXTERNAL_REFERENCE); 222 DCHECK(rmode_ == EXTERNAL_REFERENCE);
222 return Assembler::target_address_at(pc_, host_); 223 return Assembler::target_address_at(pc_, host_);
223 } 224 }
224 225
225 226
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475 void Assembler::emit(uint64_t data) { 476 void Assembler::emit(uint64_t data) {
476 CheckForEmitInForbiddenSlot(); 477 CheckForEmitInForbiddenSlot();
477 EmitHelper(data); 478 EmitHelper(data);
478 } 479 }
479 480
480 481
481 } // namespace internal 482 } // namespace internal
482 } // namespace v8 483 } // namespace v8
483 484
484 #endif // V8_MIPS_ASSEMBLER_MIPS_INL_H_ 485 #endif // V8_MIPS_ASSEMBLER_MIPS_INL_H_
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