| /* |
| * Copyright (C) 2015 Cisco Systems, Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY CISCO SYSTEMS, INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL CISCO SYSTEMS, INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef _MIPS32Opcode_h_ |
| #define _MIPS32Opcode_h_ |
| |
| #if USE(MIPS32_DISASSEMBLER) |
| |
| #include <stdint.h> |
| #include <wtf/Assertions.h> |
| |
| class Mips32Opcode { |
| public: |
| Mips32Opcode() {} |
| |
| const char* disassemble(uint32_t*); |
| |
| private: |
| enum OpcodePrintFormat { |
| Unknown = 0, |
| Rs, |
| Rd, |
| Addr, |
| RdRs, |
| RsRt, |
| RtUImm, |
| RdRtRs, |
| RdRsRt, |
| RdRtSa, |
| RtRsImm, |
| RsRtAddr, |
| RtOffsetBase, |
| FdFs, |
| FdFsFt, |
| FtOffsetBase |
| }; |
| |
| const char *registerName(uint8_t r); |
| const char *fpRegisterName(uint8_t r); |
| void formatSpecialEncodingOpcode(uint8_t op1, uint8_t op2, uint8_t dest, uint8_t shift, uint8_t function); |
| void formatSpecial2EncodingOpcode(uint8_t op1, uint8_t op2, uint8_t dest, uint8_t function); |
| void formatJumpEncodingOpcode(uint32_t iOp, uint32_t index, uint32_t* opcodePtr); |
| void formatREGIMMEncodingOpcode(uint8_t rs, uint8_t rt, int16_t imm, uint32_t* opcodePtr); |
| void formatImmediateEncodingOpcode(uint32_t iOp, uint8_t rs, uint8_t rt, int16_t imm, uint32_t* opcodePtr); |
| void formatCOP1Opcode(uint8_t fmt, uint8_t ft, uint8_t fs, uint8_t fd, uint8_t func); |
| void formatCOP1FPCompareOpcode(uint8_t fmt, uint8_t ft, uint8_t fs, uint8_t cc, uint8_t cond); |
| void formatCOP1BCOpcode(uint8_t cc, uint8_t ndtf, int16_t offset, uint32_t* opcodePtr); |
| |
| static const int bufferSize = 81; |
| |
| char m_formatBuffer[bufferSize]; |
| }; |
| |
| #endif |
| |
| #endif // _MIPS32Opcode_h_ |