v8/src/code-reference.h
Clemens Hammacher 7d32cf4ee7 [cleanup] Clean up CodeReference class
This CL fixes the new {CodeReference} class to comply to the style
guide. It makes it a proper class, renames private fields to end in an
underscore and simplifies the union declaration.

R=ahaas@chromium.org
CC=herhut@chromium.org

Bug: v8:7570
Change-Id: I329bbc6fca1ba3c0cb34fb4e1179eb4fa9044e76
Reviewed-on: https://chromium-review.googlesource.com/1023414
Reviewed-by: Andreas Haas <ahaas@chromium.org>
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#52722}
2018-04-23 10:10:45 +00:00

53 lines
1.2 KiB
C++

// Copyright 2018 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_CODE_REFERENCE_H_
#define V8_CODE_REFERENCE_H_
#include "src/handles.h"
#include "src/objects/code.h"
namespace v8 {
namespace internal {
class Code;
namespace wasm {
class WasmCode;
}
class CodeReference {
public:
CodeReference() : kind_(JS), js_code_() {}
explicit CodeReference(const wasm::WasmCode* wasm_code)
: kind_(WASM), wasm_code_(wasm_code) {}
explicit CodeReference(Handle<Code> js_code) : kind_(JS), js_code_(js_code) {}
Address constant_pool() const;
Address instruction_start() const;
Address instruction_end() const;
int instruction_size() const;
const byte* relocation_start() const;
const byte* relocation_end() const;
int relocation_size() const;
bool is_null() const {
return kind_ == JS ? js_code_.is_null() : wasm_code_ == nullptr;
}
private:
enum { JS, WASM } kind_;
union {
const wasm::WasmCode* wasm_code_;
Handle<Code> js_code_;
};
DISALLOW_NEW_AND_DELETE();
};
ASSERT_TRIVIALLY_COPYABLE(CodeReference);
} // namespace internal
} // namespace v8
#endif // V8_CODE_REFERENCE_H_