1// Copyright 2011 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 6#ifndef V8_BYTECODES_IRREGEXP_H_ 7#define V8_BYTECODES_IRREGEXP_H_ 8 9namespace v8 { 10namespace internal { 11 12 13const int BYTECODE_MASK = 0xff; 14// The first argument is packed in with the byte code in one word, but so it 15// has 24 bits, but it can be positive and negative so only use 23 bits for 16// positive values. 17const unsigned int MAX_FIRST_ARG = 0x7fffffu; 18const int BYTECODE_SHIFT = 8; 19 20#define BYTECODE_ITERATOR(V) \ 21V(BREAK, 0, 4) /* bc8 */ \ 22V(PUSH_CP, 1, 4) /* bc8 pad24 */ \ 23V(PUSH_BT, 2, 8) /* bc8 pad24 offset32 */ \ 24V(PUSH_REGISTER, 3, 4) /* bc8 reg_idx24 */ \ 25V(SET_REGISTER_TO_CP, 4, 8) /* bc8 reg_idx24 offset32 */ \ 26V(SET_CP_TO_REGISTER, 5, 4) /* bc8 reg_idx24 */ \ 27V(SET_REGISTER_TO_SP, 6, 4) /* bc8 reg_idx24 */ \ 28V(SET_SP_TO_REGISTER, 7, 4) /* bc8 reg_idx24 */ \ 29V(SET_REGISTER, 8, 8) /* bc8 reg_idx24 value32 */ \ 30V(ADVANCE_REGISTER, 9, 8) /* bc8 reg_idx24 value32 */ \ 31V(POP_CP, 10, 4) /* bc8 pad24 */ \ 32V(POP_BT, 11, 4) /* bc8 pad24 */ \ 33V(POP_REGISTER, 12, 4) /* bc8 reg_idx24 */ \ 34V(FAIL, 13, 4) /* bc8 pad24 */ \ 35V(SUCCEED, 14, 4) /* bc8 pad24 */ \ 36V(ADVANCE_CP, 15, 4) /* bc8 offset24 */ \ 37V(GOTO, 16, 8) /* bc8 pad24 addr32 */ \ 38V(LOAD_CURRENT_CHAR, 17, 8) /* bc8 offset24 addr32 */ \ 39V(LOAD_CURRENT_CHAR_UNCHECKED, 18, 4) /* bc8 offset24 */ \ 40V(LOAD_2_CURRENT_CHARS, 19, 8) /* bc8 offset24 addr32 */ \ 41V(LOAD_2_CURRENT_CHARS_UNCHECKED, 20, 4) /* bc8 offset24 */ \ 42V(LOAD_4_CURRENT_CHARS, 21, 8) /* bc8 offset24 addr32 */ \ 43V(LOAD_4_CURRENT_CHARS_UNCHECKED, 22, 4) /* bc8 offset24 */ \ 44V(CHECK_4_CHARS, 23, 12) /* bc8 pad24 uint32 addr32 */ \ 45V(CHECK_CHAR, 24, 8) /* bc8 pad8 uint16 addr32 */ \ 46V(CHECK_NOT_4_CHARS, 25, 12) /* bc8 pad24 uint32 addr32 */ \ 47V(CHECK_NOT_CHAR, 26, 8) /* bc8 pad8 uint16 addr32 */ \ 48V(AND_CHECK_4_CHARS, 27, 16) /* bc8 pad24 uint32 uint32 addr32 */ \ 49V(AND_CHECK_CHAR, 28, 12) /* bc8 pad8 uint16 uint32 addr32 */ \ 50V(AND_CHECK_NOT_4_CHARS, 29, 16) /* bc8 pad24 uint32 uint32 addr32 */ \ 51V(AND_CHECK_NOT_CHAR, 30, 12) /* bc8 pad8 uint16 uint32 addr32 */ \ 52V(MINUS_AND_CHECK_NOT_CHAR, 31, 12) /* bc8 pad8 uc16 uc16 uc16 addr32 */ \ 53V(CHECK_CHAR_IN_RANGE, 32, 12) /* bc8 pad24 uc16 uc16 addr32 */ \ 54V(CHECK_CHAR_NOT_IN_RANGE, 33, 12) /* bc8 pad24 uc16 uc16 addr32 */ \ 55V(CHECK_BIT_IN_TABLE, 34, 24) /* bc8 pad24 addr32 bits128 */ \ 56V(CHECK_LT, 35, 8) /* bc8 pad8 uc16 addr32 */ \ 57V(CHECK_GT, 36, 8) /* bc8 pad8 uc16 addr32 */ \ 58V(CHECK_NOT_BACK_REF, 37, 8) /* bc8 reg_idx24 addr32 */ \ 59V(CHECK_NOT_BACK_REF_NO_CASE, 38, 8) /* bc8 reg_idx24 addr32 */ \ 60V(CHECK_NOT_REGS_EQUAL, 39, 12) /* bc8 regidx24 reg_idx32 addr32 */ \ 61V(CHECK_REGISTER_LT, 40, 12) /* bc8 reg_idx24 value32 addr32 */ \ 62V(CHECK_REGISTER_GE, 41, 12) /* bc8 reg_idx24 value32 addr32 */ \ 63V(CHECK_REGISTER_EQ_POS, 42, 8) /* bc8 reg_idx24 addr32 */ \ 64V(CHECK_AT_START, 43, 8) /* bc8 pad24 addr32 */ \ 65V(CHECK_NOT_AT_START, 44, 8) /* bc8 pad24 addr32 */ \ 66V(CHECK_GREEDY, 45, 8) /* bc8 pad24 addr32 */ \ 67V(ADVANCE_CP_AND_GOTO, 46, 8) /* bc8 offset24 addr32 */ \ 68V(SET_CURRENT_POSITION_FROM_END, 47, 4) /* bc8 idx24 */ 69 70#define DECLARE_BYTECODES(name, code, length) \ 71 static const int BC_##name = code; 72BYTECODE_ITERATOR(DECLARE_BYTECODES) 73#undef DECLARE_BYTECODES 74 75#define DECLARE_BYTECODE_LENGTH(name, code, length) \ 76 static const int BC_##name##_LENGTH = length; 77BYTECODE_ITERATOR(DECLARE_BYTECODE_LENGTH) 78#undef DECLARE_BYTECODE_LENGTH 79} } 80 81#endif // V8_BYTECODES_IRREGEXP_H_ 82