/usr/include/distorm64/prefix.h is in libdistorm64-dev 1.7.30-1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 | /*
prefix.h
Copyright (C) 2003-2008 Gil Dabah, http://ragestorm.net/distorm/
This library is licensed under the BSD license. See the file COPYING.
*/
#ifndef PREFIX_H
#define PREFIX_H
#include "../config.h"
#include "decoder.h"
#include "wstring.h"
/*
* This holds the prefixes state for the current instruction we decode.
* totalPrefixes includes all specific prefixes that the instruction got.
* start is a pointer to the first prefix to take into account.
* last is a pointer to the last byte we scanned.
* Other pointers are used to keep track of prefixes positions and help us know if they appeared already and where.
*/
typedef struct {
unsigned int unusedCount, specialPrefixesSize, isREXPrefixValid;
_iflags totalPrefixes, usedPrefixes;
const uint8_t *lokrepPos, *segovrdPos, *opsizePos, *addrsizePos, *rexpos, *start, *last;
} _PrefixState;
/* Describe the type of the prefix and which one it was in a flag manner. */
typedef enum {PRE_NONE = -1, PRE_LOKREP, PRE_SEGOVRD, PRE_OPSIZE, PRE_ADDRSIZE, PRE_REX} _PrefixType;
typedef struct {
_iflags flag;
_PrefixType type;
} _PrefixInfo;
/*
* Intel supports 4 types of prefixes, whereas AMD supports 5 types (lock is seperated from rep/nz).
* REX is the fifth prefix type, this time I'm based on AMD64.
*/
#define MAX_PREFIXES (5)
int is_prefix(unsigned int ch, _DecodeType dt);
void decode_prefixes(const uint8_t* code, int codeLen, _PrefixState* ps, _DecodeType dt);
void get_unused_prefixes_list(uint8_t unusedList[MAX_PREFIXES], _PrefixState* ps);
void str_seg_text(_WString* s, _PrefixState* ps, _DecodeType dt);
#endif /* PREFIX_H */
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