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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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405 rmode_ = RelocInfo::NONE32; | 405 rmode_ = RelocInfo::NONE32; |
406 } | 406 } |
407 | 407 |
408 | 408 |
409 void Assembler::emit(uint32_t x) { | 409 void Assembler::emit(uint32_t x) { |
410 *reinterpret_cast<uint32_t*>(pc_) = x; | 410 *reinterpret_cast<uint32_t*>(pc_) = x; |
411 pc_ += sizeof(uint32_t); | 411 pc_ += sizeof(uint32_t); |
412 } | 412 } |
413 | 413 |
414 | 414 |
| 415 void Assembler::emit_q(uint64_t x) { |
| 416 *reinterpret_cast<uint64_t*>(pc_) = x; |
| 417 pc_ += sizeof(uint64_t); |
| 418 } |
| 419 |
| 420 |
415 void Assembler::emit(Handle<Object> handle) { | 421 void Assembler::emit(Handle<Object> handle) { |
416 AllowDeferredHandleDereference heap_object_check; | 422 AllowDeferredHandleDereference heap_object_check; |
417 // Verify all Objects referred by code are NOT in new space. | 423 // Verify all Objects referred by code are NOT in new space. |
418 Object* obj = *handle; | 424 Object* obj = *handle; |
419 DCHECK(!isolate()->heap()->InNewSpace(obj)); | 425 DCHECK(!isolate()->heap()->InNewSpace(obj)); |
420 if (obj->IsHeapObject()) { | 426 if (obj->IsHeapObject()) { |
421 emit(reinterpret_cast<intptr_t>(handle.location()), | 427 emit(reinterpret_cast<intptr_t>(handle.location()), |
422 RelocInfo::EMBEDDED_OBJECT); | 428 RelocInfo::EMBEDDED_OBJECT); |
423 } else { | 429 } else { |
424 // no relocation needed | 430 // no relocation needed |
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469 | 475 |
470 | 476 |
471 void Assembler::emit_w(const Immediate& x) { | 477 void Assembler::emit_w(const Immediate& x) { |
472 DCHECK(RelocInfo::IsNone(x.rmode_)); | 478 DCHECK(RelocInfo::IsNone(x.rmode_)); |
473 uint16_t value = static_cast<uint16_t>(x.x_); | 479 uint16_t value = static_cast<uint16_t>(x.x_); |
474 reinterpret_cast<uint16_t*>(pc_)[0] = value; | 480 reinterpret_cast<uint16_t*>(pc_)[0] = value; |
475 pc_ += sizeof(uint16_t); | 481 pc_ += sizeof(uint16_t); |
476 } | 482 } |
477 | 483 |
478 | 484 |
479 Address Assembler::target_address_at(Address pc, | 485 Address Assembler::target_address_at(Address pc, Address constant_pool) { |
480 ConstantPoolArray* constant_pool) { | |
481 return pc + sizeof(int32_t) + *reinterpret_cast<int32_t*>(pc); | 486 return pc + sizeof(int32_t) + *reinterpret_cast<int32_t*>(pc); |
482 } | 487 } |
483 | 488 |
484 | 489 |
485 void Assembler::set_target_address_at(Address pc, | 490 void Assembler::set_target_address_at(Address pc, Address constant_pool, |
486 ConstantPoolArray* constant_pool, | |
487 Address target, | 491 Address target, |
488 ICacheFlushMode icache_flush_mode) { | 492 ICacheFlushMode icache_flush_mode) { |
489 int32_t* p = reinterpret_cast<int32_t*>(pc); | 493 int32_t* p = reinterpret_cast<int32_t*>(pc); |
490 *p = target - (pc + sizeof(int32_t)); | 494 *p = target - (pc + sizeof(int32_t)); |
491 if (icache_flush_mode != SKIP_ICACHE_FLUSH) { | 495 if (icache_flush_mode != SKIP_ICACHE_FLUSH) { |
492 CpuFeatures::FlushICache(p, sizeof(int32_t)); | 496 CpuFeatures::FlushICache(p, sizeof(int32_t)); |
493 } | 497 } |
494 } | 498 } |
495 | 499 |
496 | 500 |
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584 | 588 |
585 | 589 |
586 Operand::Operand(Immediate imm) { | 590 Operand::Operand(Immediate imm) { |
587 // [disp/r] | 591 // [disp/r] |
588 set_modrm(0, ebp); | 592 set_modrm(0, ebp); |
589 set_dispr(imm.x_, imm.rmode_); | 593 set_dispr(imm.x_, imm.rmode_); |
590 } | 594 } |
591 } } // namespace v8::internal | 595 } } // namespace v8::internal |
592 | 596 |
593 #endif // V8_X87_ASSEMBLER_X87_INL_H_ | 597 #endif // V8_X87_ASSEMBLER_X87_INL_H_ |
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