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/*
* Copyright 2005-2012 Gentoo Foundation
* Distributed under the terms of the GNU General Public License v2
*
* Copyright 2005-2012 Ned Ludd - <solar@gentoo.org>
* Copyright 2005-2012 Mike Frysinger - <vapier@gentoo.org>
* 2008-2012 Fabian Groffen - <grobian@gentoo.org>
*
* Make sure all of the common mach-o stuff is setup as we expect
*/
#ifndef _PAX_MACHO_H
#define _PAX_MACHO_H
#include "macho.h"
#define MGET(swapped, value) (swapped ? (__typeof__(value))bswap_32(value) : value)
#define MOBJGET(obj, member) MGET((obj)->swapped, (obj)->member)
typedef struct _fatobj {
void *data; /* mmapped image of the whole file */
size_t len; /* length of data (file length) */
int fd; /* open filedescriptor to the file */
const char *filename; /* full filename */
const char *base_filename; /* basename of filename (don't free) */
char swapped; /* whether values need to be swapped */
char ismach64; /* whether mach_header_64 is in use */
char isbigendian; /* whether the byte order is big-endian */
union {
struct mach_header *hdr32; /* pointer to arch Mach-O header */
struct mach_header_64 *hdr64; /* 64-bits variant */
} mhdr;
char *mhdata; /* pointer to the image of the mach_header */
struct _fatobj *next; /* pointer to the next arch */
} fatobj;
typedef struct {
void *data; /* pointer to the current command header */
struct load_command* lcmd; /* the load command */
uint32_t cleft; /* load commands left */
uint32_t align; /* alignment size in bytes */
char swapped; /* whether values need to be swapped */
} loadcmd;
const char *get_machomhtype(fatobj *fobj);
void get_machomhflags(fatobj *fobj, char **ret, size_t *ret_len);
const char *get_machocputype(fatobj *fobj);
const char *get_machosubcputype(fatobj *fobj);
fatobj *readmacho(const char *filename);
fatobj *readmacho_fd(const char *filename, int fd, size_t len);
fatobj *readmacho_buffer(const char *filename, char *buffer, size_t buffer_len);
void unreadmacho(fatobj *macho);
loadcmd *firstloadcmd(fatobj *fobj);
int nextloadcmd(loadcmd* lcmd);
const char *get_machoendian(fatobj *fobj);
const char *get_machomtype(fatobj *fobj);
#endif /* _PAX_MACHO_H */
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