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| 1 // Copyright 2015 the V8 project authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef V8_UNITTESTS_INTERPRETER_BYTECODE_UTILS_H_ |
| 6 #define V8_UNITTESTS_INTERPRETER_BYTECODE_UTILS_H_ |
| 7 |
| 8 #include "src/frames.h" |
| 9 |
| 10 #if V8_TARGET_LITTLE_ENDIAN |
| 11 |
| 12 #define EXTRACT(x, n) static_cast<uint8_t>((x) >> (8 * n)) |
| 13 #define U16(i) EXTRACT(i, 0), EXTRACT(i, 1) |
| 14 #define U32(i) EXTRACT(i, 0), EXTRACT(i, 1), EXTRACT(i, 2), EXTRACT(i, 3) |
| 15 |
| 16 #elif V8_TARGET_BIG_ENDIAN |
| 17 |
| 18 #define EXTRACT(x, n) static_cast<uint8_t>((x) >> (8 * n)) |
| 19 |
| 20 #define U16(i) EXTRACT(i, 1), EXTRACT(i, 0) |
| 21 #define U32(i) EXTRACT(i, 3), EXTRACT(i, 2), EXTRACT(i, 1), EXTRACT(i, 0) |
| 22 |
| 23 #else |
| 24 |
| 25 #error "Unknown Architecture" |
| 26 |
| 27 #endif |
| 28 |
| 29 #define U8(i) static_cast<uint8_t>(i) |
| 30 #define B(Name) static_cast<uint8_t>(Bytecode::k##Name) |
| 31 #define REG_OPERAND(i) \ |
| 32 (InterpreterFrameConstants::kRegisterFileFromFp / kPointerSize - (i)) |
| 33 #define R8(i) static_cast<uint8_t>(REG_OPERAND(i)) |
| 34 #define R16(i) U16(REG_OPERAND(i)) |
| 35 #define R32(i) U32(REG_OPERAND(i)) |
| 36 |
| 37 #endif // V8_UNITTESTS_INTERPRETER_BYTECODE_UTILS_H_ |
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