/* udis86 - libudis86/input.h * * 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. */ #ifndef UD_INPUT_H #define UD_INPUT_H #include "udis86_types.h" uint8_t ud_inp_next(struct ud*); uint8_t ud_inp_peek(struct ud*); uint8_t ud_inp_uint8(struct ud*); uint16_t ud_inp_uint16(struct ud*); uint32_t ud_inp_uint32(struct ud*); uint64_t ud_inp_uint64(struct ud*); void ud_inp_move(struct ud*, size_t); void ud_inp_back(struct ud*); /* ud_inp_init() - Initializes the input system. */ #define ud_inp_init(u) \ do { \ u->inp_curr = 0; \ u->inp_fill = 0; \ u->inp_ctr = 0; \ u->inp_end = 0; \ } while (0) /* ud_inp_start() - Should be called before each de-code operation. */ #define ud_inp_start(u) u->inp_ctr = 0 /* ud_inp_back() - Resets the current pointer to its position before the current * instruction disassembly was started. */ #define ud_inp_reset(u) \ do { \ u->inp_curr -= u->inp_ctr; \ u->inp_ctr = 0; \ } while (0) /* ud_inp_sess() - Returns the pointer to current session. */ #define ud_inp_sess(u) (u->inp_sess) /* inp_cur() - Returns the current input byte. */ #define ud_inp_curr(u) ((u)->inp_cache[(u)->inp_curr]) #endif