diff options
Diffstat (limited to 'deps/v8/src/x64/assembler-x64-inl.h')
| -rw-r--r-- | deps/v8/src/x64/assembler-x64-inl.h | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/deps/v8/src/x64/assembler-x64-inl.h b/deps/v8/src/x64/assembler-x64-inl.h index 9a0fc7c8f4..f32f407a8d 100644 --- a/deps/v8/src/x64/assembler-x64-inl.h +++ b/deps/v8/src/x64/assembler-x64-inl.h @@ -326,6 +326,10 @@ Address RelocInfo::target_address() { return Assembler::target_address_at(pc_, host_); } +Address RelocInfo::wasm_memory_reference() { + DCHECK(IsWasmMemoryReference(rmode_)); + return Memory::Address_at(pc_); +} Address RelocInfo::target_address_address() { DCHECK(IsCodeTarget(rmode_) || IsRuntimeEntry(rmode_) @@ -364,6 +368,20 @@ void RelocInfo::set_target_address(Address target, } } +void RelocInfo::update_wasm_memory_reference( + Address old_base, Address new_base, size_t old_size, size_t new_size, + ICacheFlushMode icache_flush_mode) { + DCHECK(IsWasmMemoryReference(rmode_)); + DCHECK(old_base <= wasm_memory_reference() && + wasm_memory_reference() < old_base + old_size); + Address updated_reference = new_base + (wasm_memory_reference() - old_base); + DCHECK(new_base <= updated_reference && + updated_reference < new_base + new_size); + Memory::Address_at(pc_) = updated_reference; + if (icache_flush_mode != SKIP_ICACHE_FLUSH) { + Assembler::FlushICache(isolate_, pc_, sizeof(int64_t)); + } +} Object* RelocInfo::target_object() { DCHECK(IsCodeTarget(rmode_) || rmode_ == EMBEDDED_OBJECT); @@ -410,8 +428,8 @@ void RelocInfo::set_target_object(Object* target, if (write_barrier_mode == UPDATE_WRITE_BARRIER && host() != NULL && target->IsHeapObject()) { - host()->GetHeap()->incremental_marking()->RecordWrite( - host(), &Memory::Object_at(pc_), HeapObject::cast(target)); + host()->GetHeap()->incremental_marking()->RecordWriteIntoCode( + host(), this, HeapObject::cast(target)); } } |