diff options
Diffstat (limited to 'src/3rdparty/masm/disassembler/udis86/udis86.c')
| -rw-r--r-- | src/3rdparty/masm/disassembler/udis86/udis86.c | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/src/3rdparty/masm/disassembler/udis86/udis86.c b/src/3rdparty/masm/disassembler/udis86/udis86.c new file mode 100644 index 0000000000..2641034232 --- /dev/null +++ b/src/3rdparty/masm/disassembler/udis86/udis86.c @@ -0,0 +1,182 @@ +/* udis86 - libudis86/udis86.c + * + * Copyright (c) 2002-2009 Vivek Thampi + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * * 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 THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT OWNER 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. + */ + +#include "config.h" + +#if USE(UDIS86) + +#include "udis86_input.h" +#include "udis86_extern.h" + +#ifndef __UD_STANDALONE__ +# include <stdlib.h> +# include <string.h> +#endif /* __UD_STANDALONE__ */ + +/* ============================================================================= + * ud_init() - Initializes ud_t object. + * ============================================================================= + */ +extern void +ud_init(struct ud* u) +{ + memset((void*)u, 0, sizeof(struct ud)); + ud_set_mode(u, 16); + u->mnemonic = UD_Iinvalid; + ud_set_pc(u, 0); +#ifndef __UD_STANDALONE__ + ud_set_input_file(u, stdin); +#endif /* __UD_STANDALONE__ */ +} + +/* ============================================================================= + * ud_disassemble() - disassembles one instruction and returns the number of + * bytes disassembled. A zero means end of disassembly. + * ============================================================================= + */ +extern unsigned int +ud_disassemble(struct ud* u) +{ + if (ud_input_end(u)) + return 0; + + + u->insn_buffer[0] = u->insn_hexcode[0] = 0; + + + if (ud_decode(u) == 0) + return 0; + if (u->translator) + u->translator(u); + return ud_insn_len(u); +} + +/* ============================================================================= + * ud_set_mode() - Set Disassemly Mode. + * ============================================================================= + */ +extern void +ud_set_mode(struct ud* u, uint8_t m) +{ + switch(m) { + case 16: + case 32: + case 64: u->dis_mode = m ; return; + default: u->dis_mode = 16; return; + } +} + +/* ============================================================================= + * ud_set_vendor() - Set vendor. + * ============================================================================= + */ +extern void +ud_set_vendor(struct ud* u, unsigned v) +{ + switch(v) { + case UD_VENDOR_INTEL: + u->vendor = v; + break; + case UD_VENDOR_ANY: + u->vendor = v; + break; + default: + u->vendor = UD_VENDOR_AMD; + } +} + +/* ============================================================================= + * ud_set_pc() - Sets code origin. + * ============================================================================= + */ +extern void +ud_set_pc(struct ud* u, uint64_t o) +{ + u->pc = o; +} + +/* ============================================================================= + * ud_set_syntax() - Sets the output syntax. + * ============================================================================= + */ +extern void +ud_set_syntax(struct ud* u, void (*t)(struct ud*)) +{ + u->translator = t; +} + +/* ============================================================================= + * ud_insn() - returns the disassembled instruction + * ============================================================================= + */ +extern char* +ud_insn_asm(struct ud* u) +{ + return u->insn_buffer; +} + +/* ============================================================================= + * ud_insn_offset() - Returns the offset. + * ============================================================================= + */ +extern uint64_t +ud_insn_off(struct ud* u) +{ + return u->insn_offset; +} + + +/* ============================================================================= + * ud_insn_hex() - Returns hex form of disassembled instruction. + * ============================================================================= + */ +extern char* +ud_insn_hex(struct ud* u) +{ + return u->insn_hexcode; +} + +/* ============================================================================= + * ud_insn_ptr() - Returns code disassembled. + * ============================================================================= + */ +extern uint8_t* +ud_insn_ptr(struct ud* u) +{ + return u->inp_sess; +} + +/* ============================================================================= + * ud_insn_len() - Returns the count of bytes disassembled. + * ============================================================================= + */ +extern unsigned int +ud_insn_len(struct ud* u) +{ + return u->inp_ctr; +} + +#endif // USE(UDIS86) |