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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef V8_X64_ASSEMBLER_X64_INL_H_ | 5 #ifndef V8_X64_ASSEMBLER_X64_INL_H_ |
6 #define V8_X64_ASSEMBLER_X64_INL_H_ | 6 #define V8_X64_ASSEMBLER_X64_INL_H_ |
7 | 7 |
8 #include "src/x64/assembler-x64.h" | 8 #include "src/x64/assembler-x64.h" |
9 | 9 |
10 #include "src/base/cpu.h" | 10 #include "src/base/cpu.h" |
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319 Memory::Address_at(pc_) += delta; | 319 Memory::Address_at(pc_) += delta; |
320 } | 320 } |
321 } | 321 } |
322 | 322 |
323 | 323 |
324 Address RelocInfo::target_address() { | 324 Address RelocInfo::target_address() { |
325 DCHECK(IsCodeTarget(rmode_) || IsRuntimeEntry(rmode_)); | 325 DCHECK(IsCodeTarget(rmode_) || IsRuntimeEntry(rmode_)); |
326 return Assembler::target_address_at(pc_, host_); | 326 return Assembler::target_address_at(pc_, host_); |
327 } | 327 } |
328 | 328 |
329 Address RelocInfo::wasm_memory_reference() { | |
330 DCHECK(IsWasmMemoryReference(rmode_)); | |
331 return Memory::Address_at(pc_); | |
332 } | |
333 | 329 |
334 Address RelocInfo::target_address_address() { | 330 Address RelocInfo::target_address_address() { |
335 DCHECK(IsCodeTarget(rmode_) || IsRuntimeEntry(rmode_) | 331 DCHECK(IsCodeTarget(rmode_) || IsRuntimeEntry(rmode_) |
336 || rmode_ == EMBEDDED_OBJECT | 332 || rmode_ == EMBEDDED_OBJECT |
337 || rmode_ == EXTERNAL_REFERENCE); | 333 || rmode_ == EXTERNAL_REFERENCE); |
338 return reinterpret_cast<Address>(pc_); | 334 return reinterpret_cast<Address>(pc_); |
339 } | 335 } |
340 | 336 |
341 | 337 |
342 Address RelocInfo::constant_pool_entry_address() { | 338 Address RelocInfo::constant_pool_entry_address() { |
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361 Assembler::set_target_address_at(isolate_, pc_, host_, target, | 357 Assembler::set_target_address_at(isolate_, pc_, host_, target, |
362 icache_flush_mode); | 358 icache_flush_mode); |
363 if (write_barrier_mode == UPDATE_WRITE_BARRIER && host() != NULL && | 359 if (write_barrier_mode == UPDATE_WRITE_BARRIER && host() != NULL && |
364 IsCodeTarget(rmode_)) { | 360 IsCodeTarget(rmode_)) { |
365 Object* target_code = Code::GetCodeFromTargetAddress(target); | 361 Object* target_code = Code::GetCodeFromTargetAddress(target); |
366 host()->GetHeap()->incremental_marking()->RecordWriteIntoCode( | 362 host()->GetHeap()->incremental_marking()->RecordWriteIntoCode( |
367 host(), this, HeapObject::cast(target_code)); | 363 host(), this, HeapObject::cast(target_code)); |
368 } | 364 } |
369 } | 365 } |
370 | 366 |
371 void RelocInfo::update_wasm_memory_reference( | |
372 Address old_base, Address new_base, size_t old_size, size_t new_size, | |
373 ICacheFlushMode icache_flush_mode) { | |
374 DCHECK(IsWasmMemoryReference(rmode_)); | |
375 DCHECK(old_base <= wasm_memory_reference() && | |
376 wasm_memory_reference() < old_base + old_size); | |
377 Address updated_reference = new_base + (wasm_memory_reference() - old_base); | |
378 DCHECK(new_base <= updated_reference && | |
379 updated_reference < new_base + new_size); | |
380 Memory::Address_at(pc_) = updated_reference; | |
381 if (icache_flush_mode != SKIP_ICACHE_FLUSH) { | |
382 Assembler::FlushICache(isolate_, pc_, sizeof(int64_t)); | |
383 } | |
384 } | |
385 | 367 |
386 Object* RelocInfo::target_object() { | 368 Object* RelocInfo::target_object() { |
387 DCHECK(IsCodeTarget(rmode_) || rmode_ == EMBEDDED_OBJECT); | 369 DCHECK(IsCodeTarget(rmode_) || rmode_ == EMBEDDED_OBJECT); |
388 return Memory::Object_at(pc_); | 370 return Memory::Object_at(pc_); |
389 } | 371 } |
390 | 372 |
391 | 373 |
392 Handle<Object> RelocInfo::target_object_handle(Assembler* origin) { | 374 Handle<Object> RelocInfo::target_object_handle(Assembler* origin) { |
393 DCHECK(IsCodeTarget(rmode_) || rmode_ == EMBEDDED_OBJECT); | 375 DCHECK(IsCodeTarget(rmode_) || rmode_ == EMBEDDED_OBJECT); |
394 if (rmode_ == EMBEDDED_OBJECT) { | 376 if (rmode_ == EMBEDDED_OBJECT) { |
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628 void Operand::set_disp64(int64_t disp) { | 610 void Operand::set_disp64(int64_t disp) { |
629 DCHECK_EQ(1, len_); | 611 DCHECK_EQ(1, len_); |
630 int64_t* p = reinterpret_cast<int64_t*>(&buf_[len_]); | 612 int64_t* p = reinterpret_cast<int64_t*>(&buf_[len_]); |
631 *p = disp; | 613 *p = disp; |
632 len_ += sizeof(disp); | 614 len_ += sizeof(disp); |
633 } | 615 } |
634 } // namespace internal | 616 } // namespace internal |
635 } // namespace v8 | 617 } // namespace v8 |
636 | 618 |
637 #endif // V8_X64_ASSEMBLER_X64_INL_H_ | 619 #endif // V8_X64_ASSEMBLER_X64_INL_H_ |
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