0fa243af70
Bug: v8:9247 Change-Id: I79e0553e8a0d6dac2aa16b94a6c0e05b6ccde4a1 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1621934 Commit-Queue: Yang Guo <yangguo@chromium.org> Reviewed-by: Yang Guo <yangguo@chromium.org> Reviewed-by: Toon Verwaest <verwaest@chromium.org> Reviewed-by: Clemens Hammacher <clemensh@chromium.org> Reviewed-by: Ulan Degenbaev <ulan@chromium.org> Reviewed-by: Benedikt Meurer <bmeurer@chromium.org> Cr-Commit-Position: refs/heads/master@{#61725}
57 lines
1.5 KiB
C++
57 lines
1.5 KiB
C++
// Copyright 2015 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_UNITTESTS_INTERPRETER_BYTECODE_UTILS_H_
|
|
#define V8_UNITTESTS_INTERPRETER_BYTECODE_UTILS_H_
|
|
|
|
#include "src/execution/frames.h"
|
|
#include "src/interpreter/bytecode-register.h"
|
|
|
|
namespace v8 {
|
|
namespace internal {
|
|
namespace interpreter {
|
|
|
|
#if V8_TARGET_LITTLE_ENDIAN
|
|
|
|
#define EXTRACT(x, n) static_cast<uint8_t>((x) >> (8 * n))
|
|
#define U16(i) EXTRACT(i, 0), EXTRACT(i, 1)
|
|
#define U32(i) EXTRACT(i, 0), EXTRACT(i, 1), EXTRACT(i, 2), EXTRACT(i, 3)
|
|
|
|
#elif V8_TARGET_BIG_ENDIAN
|
|
|
|
#define EXTRACT(x, n) static_cast<uint8_t>((x) >> (8 * n))
|
|
|
|
#define U16(i) EXTRACT(i, 1), EXTRACT(i, 0)
|
|
#define U32(i) EXTRACT(i, 3), EXTRACT(i, 2), EXTRACT(i, 1), EXTRACT(i, 0)
|
|
|
|
#else
|
|
|
|
#error "Unknown Architecture"
|
|
|
|
#endif
|
|
|
|
#define U8(i) static_cast<uint8_t>(i)
|
|
#define REG_OPERAND(i) \
|
|
(InterpreterFrameConstants::kRegisterFileFromFp / kSystemPointerSize - (i))
|
|
#define R8(i) static_cast<uint8_t>(REG_OPERAND(i))
|
|
#define R16(i) U16(REG_OPERAND(i))
|
|
#define R32(i) U32(REG_OPERAND(i))
|
|
|
|
class BytecodeUtils {
|
|
public:
|
|
// Expose raw RegisterList construction to tests.
|
|
static RegisterList NewRegisterList(int first_reg_index, int register_count) {
|
|
return RegisterList(first_reg_index, register_count);
|
|
}
|
|
|
|
private:
|
|
DISALLOW_IMPLICIT_CONSTRUCTORS(BytecodeUtils);
|
|
};
|
|
|
|
} // namespace interpreter
|
|
} // namespace internal
|
|
} // namespace v8
|
|
|
|
#endif // V8_UNITTESTS_INTERPRETER_BYTECODE_UTILS_H_
|