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/* 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"
#include <wtf/Platform.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)
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