include/grub/elfload.h

   1 /*
   2  *  GRUB  --  GRand Unified Bootloader
   3  *  Copyright (C) 2003, 2004, 2005, 2006, 2007  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_ELFLOAD_HEADER
  20 #define GRUB_ELFLOAD_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_elf_file
  29 {
  30   grub_file_t file;
  31   union {
  32     Elf64_Ehdr ehdr64;
  33     Elf32_Ehdr ehdr32;
  34   } ehdr;
  35   void *phdrs;
  36 };
  37 typedef struct grub_elf_file *grub_elf_t;
  38
  39 typedef grub_err_t (*grub_elf32_load_hook_t)
  40   (Elf32_Phdr *phdr, grub_addr_t *addr, int *load);
  41 typedef grub_err_t (*grub_elf64_load_hook_t)
  42   (Elf64_Phdr *phdr, grub_addr_t *addr, int *load);
  43
  44 grub_elf_t grub_elf_open (const char *);
  45 grub_elf_t grub_elf_file (grub_file_t);
  46 grub_err_t grub_elf_close (grub_elf_t);
  47
  48 int grub_elf_is_elf32 (grub_elf_t);
  49 grub_size_t grub_elf32_size (grub_elf_t);
  50 grub_err_t grub_elf32_load (grub_elf_t, grub_elf32_load_hook_t, grub_addr_t *,
  51                             grub_size_t *);
  52
  53 int grub_elf_is_elf64 (grub_elf_t);
  54 grub_size_t grub_elf64_size (grub_elf_t);
  55 grub_err_t grub_elf64_load (grub_elf_t, grub_elf64_load_hook_t, grub_addr_t *,
  56                             grub_size_t *);
  57
  58 #endif /* ! GRUB_ELFLOAD_HEADER */