include/grub/machoload.h

   1 /*
   2  *  GRUB  --  GRand Unified Bootloader
   3  *  Copyright (C) 2009  Free Software Foundation, Inc.
   4  *
   5  *  GRUB is free software: you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation, either version 3 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  GRUB is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #ifndef GRUB_MACHOLOAD_HEADER
  20 #define GRUB_MACHOLOAD_HEADER   1
  21
  22 #include <grub/err.h>
  23 #include <grub/elf.h>
  24 #include <grub/file.h>
  25 #include <grub/symbol.h>
  26 #include <grub/types.h>
  27
  28 struct grub_macho_file
  29 {
  30   grub_file_t file;
  31   grub_ssize_t offset32;
  32   grub_ssize_t end32;
  33   int ncmds32;
  34   grub_size_t cmdsize32;
  35   grub_uint8_t *cmds32;
  36   grub_ssize_t offset64;
  37   grub_ssize_t end64;
  38   int ncmds64;
  39   grub_size_t cmdsize64;
  40   grub_uint8_t *cmds64;
  41 };
  42 typedef struct grub_macho_file *grub_macho_t;
  43
  44 grub_macho_t grub_macho_open (const char *);
  45 grub_macho_t grub_macho_file (grub_file_t);
  46 grub_err_t grub_macho_close (grub_macho_t);
  47
  48 int grub_macho_contains_macho32 (grub_macho_t);
  49 grub_err_t grub_macho32_size (grub_macho_t macho, grub_addr_t *segments_start,
  50                               grub_addr_t *segments_end, int flags);
  51 grub_uint32_t grub_macho32_get_entry_point (grub_macho_t macho);
  52
  53 /* Ignore BSS segments when loading. */
  54 #define GRUB_MACHO_NOBSS 0x1
  55 grub_err_t grub_macho32_load (grub_macho_t macho, char *offset, int flags);
  56
  57 /* Like filesize and file_read but take only 32-bit part
  58    for current architecture. */
  59 grub_size_t grub_macho32_filesize (grub_macho_t macho);
  60 grub_err_t grub_macho32_readfile (grub_macho_t macho, void *dest);
  61
  62 #endif /* ! GRUB_MACHOLOAD_HEADER */