/*
 *  VAS_EBOOT  --  GRand Unified Bootloader
 *  Copyright (C) 2009  Free Software Foundation, Inc.
 *
 *  VAS_EBOOT is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  VAS_EBOOT is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with VAS_EBOOT.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef VAS_EBOOT_MACHOLOAD_HEADER
#define VAS_EBOOT_MACHOLOAD_HEADER	1

#include <VasEBoot/err.h>
#include <VasEBoot/elf.h>
#include <VasEBoot/file.h>
#include <VasEBoot/symbol.h>
#include <VasEBoot/types.h>

struct VasEBoot_macho_file
{
  VasEBoot_file_t file;
  VasEBoot_ssize_t offset32;
  VasEBoot_ssize_t end32;
  int ncmds32;
  VasEBoot_size_t cmdsize32;
  VasEBoot_uint8_t *cmds32;
  VasEBoot_uint8_t *uncompressed32;
  int compressed32;
  VasEBoot_size_t compressed_size32;
  VasEBoot_size_t uncompressed_size32;
  VasEBoot_ssize_t offset64;
  VasEBoot_ssize_t end64;
  int ncmds64;
  VasEBoot_size_t cmdsize64;
  VasEBoot_uint8_t *cmds64;
  VasEBoot_uint8_t *uncompressed64;
  int compressed64;
  VasEBoot_size_t compressed_size64;
  VasEBoot_size_t uncompressed_size64;
};
typedef struct VasEBoot_macho_file *VasEBoot_macho_t;

VasEBoot_macho_t VasEBoot_macho_open (const char *, enum VasEBoot_file_type type,
			      int is_64bit);
VasEBoot_macho_t VasEBoot_macho_file (VasEBoot_file_t file, const char *filename,
			      int is_64bit);
VasEBoot_err_t VasEBoot_macho_close (VasEBoot_macho_t);

VasEBoot_err_t VasEBoot_macho_size32 (VasEBoot_macho_t macho, VasEBoot_uint32_t *segments_start,
			      VasEBoot_uint32_t *segments_end, int flags,
			      const char *filename);
VasEBoot_uint32_t VasEBoot_macho_get_entry_point32 (VasEBoot_macho_t macho,
					    const char *filename);

VasEBoot_err_t VasEBoot_macho_size64 (VasEBoot_macho_t macho, VasEBoot_uint64_t *segments_start,
			      VasEBoot_uint64_t *segments_end, int flags,
			      const char *filename);
VasEBoot_uint64_t VasEBoot_macho_get_entry_point64 (VasEBoot_macho_t macho,
					    const char *filename);

/* Ignore BSS segments when loading. */
#define VAS_EBOOT_MACHO_NOBSS 0x1
VasEBoot_err_t VasEBoot_macho_load32 (VasEBoot_macho_t macho, const char *filename,
			      char *offset, int flags, int *darwin_version);
VasEBoot_err_t VasEBoot_macho_load64 (VasEBoot_macho_t macho, const char *filename,
			      char *offset, int flags, int *darwin_version);

/* Like filesize and file_read but take only 32-bit part
   for current architecture. */
VasEBoot_size_t VasEBoot_macho_filesize32 (VasEBoot_macho_t macho);
VasEBoot_err_t VasEBoot_macho_readfile32 (VasEBoot_macho_t macho, const char *filename,
				  void *dest);
VasEBoot_size_t VasEBoot_macho_filesize64 (VasEBoot_macho_t macho);
VasEBoot_err_t VasEBoot_macho_readfile64 (VasEBoot_macho_t macho, const char *filename,
				  void *dest);

void VasEBoot_macho_parse32 (VasEBoot_macho_t macho, const char *filename);
void VasEBoot_macho_parse64 (VasEBoot_macho_t macho, const char *filename);

#endif /* ! VAS_EBOOT_MACHOLOAD_HEADER */