abstract-code-inl.h

Go to the documentation of this file.

// Copyright 2023 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
 
#ifndef V8_OBJECTS_ABSTRACT_CODE_INL_H_
#define V8_OBJECTS_ABSTRACT_CODE_INL_H_
 
#include "src/objects/abstract-code.h"
// Include the non-inl header before the rest of the headers.
 
#include "src/objects/bytecode-array-inl.h"
#include "src/objects/code-inl.h"
#include "src/objects/instance-type-inl.h"
 
// Has to be the last include (doesn't have include guards):
#include "src/objects/object-macros.h"
 
namespace v8 {
namespace internal {
 
OBJECT_CONSTRUCTORS_IMPL(AbstractCode, HeapObject)
 
int AbstractCode::InstructionSize(PtrComprCageBase cage_base) {
  Tagged<Map> map_object = map(cage_base);
  if (InstanceTypeChecker::IsCode(map_object)) {
    return GetCode()->instruction_size();
  } else {
    DCHECK(InstanceTypeChecker::IsBytecodeArray(map_object));
    return GetBytecodeArray()->length();
  }
}
 
Tagged<TrustedByteArray> AbstractCode::SourcePositionTable(
    Isolate* isolate, Tagged<SharedFunctionInfo> sfi) {
  Tagged<Map> map_object = map(isolate);
  if (InstanceTypeChecker::IsCode(map_object)) {
    return GetCode()->SourcePositionTable(isolate, sfi);
  } else {
    DCHECK(InstanceTypeChecker::IsBytecodeArray(map_object));
    return GetBytecodeArray()->SourcePositionTable(isolate);
  }
}
 
int AbstractCode::SizeIncludingMetadata(PtrComprCageBase cage_base) {
  Tagged<Map> map_object = map(cage_base);
  if (InstanceTypeChecker::IsCode(map_object)) {
    return GetCode()->SizeIncludingMetadata();
  } else {
    DCHECK(InstanceTypeChecker::IsBytecodeArray(map_object));
    return GetBytecodeArray()->SizeIncludingMetadata();
  }
}
 
Address AbstractCode::InstructionStart(PtrComprCageBase cage_base) {
  Tagged<Map> map_object = map(cage_base);
  if (InstanceTypeChecker::IsCode(map_object)) {
    return GetCode()->instruction_start();
  } else {
    DCHECK(InstanceTypeChecker::IsBytecodeArray(map_object));
    return GetBytecodeArray()->GetFirstBytecodeAddress();
  }
}
 
Address AbstractCode::InstructionEnd(PtrComprCageBase cage_base) {
  Tagged<Map> map_object = map(cage_base);
  if (InstanceTypeChecker::IsCode(map_object)) {
    return GetCode()->instruction_end();
  } else {
    DCHECK(InstanceTypeChecker::IsBytecodeArray(map_object));
    Tagged<BytecodeArray> bytecode_array = GetBytecodeArray();
    return bytecode_array->GetFirstBytecodeAddress() + bytecode_array->length();
  }
}
 
bool AbstractCode::contains(Isolate* isolate, Address inner_pointer) {
  PtrComprCageBase cage_base(isolate);
  Tagged<Map> map_object = map(cage_base);
  if (InstanceTypeChecker::IsCode(map_object)) {
    return GetCode()->contains(isolate, inner_pointer);
  } else {
    DCHECK(InstanceTypeChecker::IsBytecodeArray(map_object));
    return (address() <= inner_pointer) &&
           (inner_pointer <= address() + Size(cage_base));
  }
}
 
CodeKind AbstractCode::kind(PtrComprCageBase cage_base) {
  Tagged<Map> map_object = map(cage_base);
  if (InstanceTypeChecker::IsCode(map_object)) {
    return GetCode()->kind();
  } else {
    DCHECK(InstanceTypeChecker::IsBytecodeArray(map_object));
    return CodeKind::INTERPRETED_FUNCTION;
  }
}
 
Builtin AbstractCode::builtin_id(PtrComprCageBase cage_base) {
  Tagged<Map> map_object = map(cage_base);
  if (InstanceTypeChecker::IsCode(map_object)) {
    return GetCode()->builtin_id();
  } else {
    DCHECK(InstanceTypeChecker::IsBytecodeArray(map_object));
    return Builtin::kNoBuiltinId;
  }
}
 
bool AbstractCode::has_instruction_stream(PtrComprCageBase cage_base) {
  DCHECK(InstanceTypeChecker::IsCode(map(cage_base)));
  return GetCode()->has_instruction_stream();
}
 
Tagged<Code> AbstractCode::GetCode() { return Cast<Code>(*this); }
 
Tagged<BytecodeArray> AbstractCode::GetBytecodeArray() {
  return Cast<BytecodeArray>(*this);
}
 
}  // namespace internal
}  // namespace v8
 
#include "src/objects/object-macros-undef.h"
 
#endif  // V8_OBJECTS_ABSTRACT_CODE_INL_H_