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68 lines
2.4 KiB
C
68 lines
2.4 KiB
C
/* udis86 - libudis86/input.h
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*
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* Copyright (c) 2002-2009 Vivek Thampi
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef UD_INPUT_H
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#define UD_INPUT_H
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#include "types.h"
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uint8_t inp_next(struct ud*);
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uint8_t inp_peek(struct ud*);
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uint8_t inp_uint8(struct ud*);
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uint16_t inp_uint16(struct ud*);
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uint32_t inp_uint32(struct ud*);
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uint64_t inp_uint64(struct ud*);
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void inp_move(struct ud*, size_t);
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void inp_back(struct ud*);
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/* inp_init() - Initializes the input system. */
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#define inp_init(u) \
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do { \
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u->inp_curr = 0; \
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u->inp_fill = 0; \
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u->inp_ctr = 0; \
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u->inp_end = 0; \
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} while (0)
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/* inp_start() - Should be called before each de-code operation. */
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#define inp_start(u) u->inp_ctr = 0
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/* inp_back() - Resets the current pointer to its position before the current
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* instruction disassembly was started.
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*/
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#define inp_reset(u) \
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do { \
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u->inp_curr -= u->inp_ctr; \
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u->inp_ctr = 0; \
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} while (0)
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/* inp_sess() - Returns the pointer to current session. */
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#define inp_sess(u) (u->inp_sess)
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/* inp_cur() - Returns the current input byte. */
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#define inp_curr(u) ((u)->inp_cache[(u)->inp_curr])
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#endif
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