| /* 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 |