diff options
Diffstat (limited to 'src/3rdparty/masm/disassembler/mips32/Mips32Opcode.h')
-rw-r--r-- | src/3rdparty/masm/disassembler/mips32/Mips32Opcode.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/src/3rdparty/masm/disassembler/mips32/Mips32Opcode.h b/src/3rdparty/masm/disassembler/mips32/Mips32Opcode.h new file mode 100644 index 0000000000..c63fb1109a --- /dev/null +++ b/src/3rdparty/masm/disassembler/mips32/Mips32Opcode.h @@ -0,0 +1,78 @@ +/* + * 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_ |