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

Issue 1131783003: Embedded constant pools. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Fix debug-mode Arm issue. Created 5 years, 6 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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404 rmode_ = RelocInfo::NONE32; 404 rmode_ = RelocInfo::NONE32;
405 } 405 }
406 406
407 407
408 void Assembler::emit(uint32_t x) { 408 void Assembler::emit(uint32_t x) {
409 *reinterpret_cast<uint32_t*>(pc_) = x; 409 *reinterpret_cast<uint32_t*>(pc_) = x;
410 pc_ += sizeof(uint32_t); 410 pc_ += sizeof(uint32_t);
411 } 411 }
412 412
413 413
414 void Assembler::emit_q(uint64_t x) {
415 *reinterpret_cast<uint64_t*>(pc_) = x;
416 pc_ += sizeof(uint64_t);
417 }
418
419
414 void Assembler::emit(Handle<Object> handle) { 420 void Assembler::emit(Handle<Object> handle) {
415 AllowDeferredHandleDereference heap_object_check; 421 AllowDeferredHandleDereference heap_object_check;
416 // Verify all Objects referred by code are NOT in new space. 422 // Verify all Objects referred by code are NOT in new space.
417 Object* obj = *handle; 423 Object* obj = *handle;
418 DCHECK(!isolate()->heap()->InNewSpace(obj)); 424 DCHECK(!isolate()->heap()->InNewSpace(obj));
419 if (obj->IsHeapObject()) { 425 if (obj->IsHeapObject()) {
420 emit(reinterpret_cast<intptr_t>(handle.location()), 426 emit(reinterpret_cast<intptr_t>(handle.location()),
421 RelocInfo::EMBEDDED_OBJECT); 427 RelocInfo::EMBEDDED_OBJECT);
422 } else { 428 } else {
423 // no relocation needed 429 // no relocation needed
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468 474
469 475
470 void Assembler::emit_w(const Immediate& x) { 476 void Assembler::emit_w(const Immediate& x) {
471 DCHECK(RelocInfo::IsNone(x.rmode_)); 477 DCHECK(RelocInfo::IsNone(x.rmode_));
472 uint16_t value = static_cast<uint16_t>(x.x_); 478 uint16_t value = static_cast<uint16_t>(x.x_);
473 reinterpret_cast<uint16_t*>(pc_)[0] = value; 479 reinterpret_cast<uint16_t*>(pc_)[0] = value;
474 pc_ += sizeof(uint16_t); 480 pc_ += sizeof(uint16_t);
475 } 481 }
476 482
477 483
478 Address Assembler::target_address_at(Address pc, 484 Address Assembler::target_address_at(Address pc, Address constant_pool) {
479 ConstantPoolArray* constant_pool) {
480 return pc + sizeof(int32_t) + *reinterpret_cast<int32_t*>(pc); 485 return pc + sizeof(int32_t) + *reinterpret_cast<int32_t*>(pc);
481 } 486 }
482 487
483 488
484 void Assembler::set_target_address_at(Address pc, 489 void Assembler::set_target_address_at(Address pc, Address constant_pool,
485 ConstantPoolArray* constant_pool,
486 Address target, 490 Address target,
487 ICacheFlushMode icache_flush_mode) { 491 ICacheFlushMode icache_flush_mode) {
488 int32_t* p = reinterpret_cast<int32_t*>(pc); 492 int32_t* p = reinterpret_cast<int32_t*>(pc);
489 *p = target - (pc + sizeof(int32_t)); 493 *p = target - (pc + sizeof(int32_t));
490 if (icache_flush_mode != SKIP_ICACHE_FLUSH) { 494 if (icache_flush_mode != SKIP_ICACHE_FLUSH) {
491 CpuFeatures::FlushICache(p, sizeof(int32_t)); 495 CpuFeatures::FlushICache(p, sizeof(int32_t));
492 } 496 }
493 } 497 }
494 498
495 499
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589 593
590 594
591 Operand::Operand(Immediate imm) { 595 Operand::Operand(Immediate imm) {
592 // [disp/r] 596 // [disp/r]
593 set_modrm(0, ebp); 597 set_modrm(0, ebp);
594 set_dispr(imm.x_, imm.rmode_); 598 set_dispr(imm.x_, imm.rmode_);
595 } 599 }
596 } } // namespace v8::internal 600 } } // namespace v8::internal
597 601
598 #endif // V8_IA32_ASSEMBLER_IA32_INL_H_ 602 #endif // V8_IA32_ASSEMBLER_IA32_INL_H_
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