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
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
*
* GRUB 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.
*
* GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GRUB_ELFLOAD_HEADER
#define GRUB_ELFLOAD_HEADER 1
#include <grub/err.h>
#include <grub/elf.h>
#include <grub/file.h>
#include <grub/symbol.h>
#include <grub/types.h>
struct grub_elf_file
{
grub_file_t file;
union {
Elf64_Ehdr ehdr64;
Elf32_Ehdr ehdr32;
} ehdr;
void *phdrs;
char *filename;
};
typedef struct grub_elf_file *grub_elf_t;
typedef int (*grub_elf32_phdr_iterate_hook_t)
(grub_elf_t elf, Elf32_Phdr *phdr, void *arg);
typedef int (*grub_elf64_phdr_iterate_hook_t)
(grub_elf_t elf, Elf64_Phdr *phdr, void *arg);
grub_elf_t grub_elf_open (const char *, enum grub_file_type type);
grub_elf_t grub_elf_file (grub_file_t file, const char *filename);
grub_err_t grub_elf_close (grub_elf_t);
int grub_elf_is_elf32 (grub_elf_t);
grub_size_t grub_elf32_size (grub_elf_t,
Elf32_Addr *, grub_uint32_t *);
enum grub_elf_load_flags
{
GRUB_ELF_LOAD_FLAGS_NONE = 0,
GRUB_ELF_LOAD_FLAGS_LOAD_PT_DYNAMIC = 1,
GRUB_ELF_LOAD_FLAGS_BITS = 6,
GRUB_ELF_LOAD_FLAGS_ALL_BITS = 0,
GRUB_ELF_LOAD_FLAGS_28BITS = 2,
GRUB_ELF_LOAD_FLAGS_30BITS = 4,
GRUB_ELF_LOAD_FLAGS_62BITS = 6,
};
grub_err_t grub_elf32_load (grub_elf_t, const char *filename,
void *load_offset, enum grub_elf_load_flags flags, grub_addr_t *,
grub_size_t *);
int grub_elf_is_elf64 (grub_elf_t);
grub_size_t grub_elf64_size (grub_elf_t,
Elf64_Addr *, grub_uint64_t *);
grub_err_t grub_elf64_load (grub_elf_t, const char *filename,
void *load_offset, enum grub_elf_load_flags flags, grub_addr_t *,
grub_size_t *);
grub_err_t grub_elf32_load_phdrs (grub_elf_t elf);
grub_err_t grub_elf64_load_phdrs (grub_elf_t elf);
#define FOR_ELF32_PHDRS(elf, phdr) \
for (grub_elf32_load_phdrs (elf), phdr = elf->phdrs; \
phdr && phdr < (Elf32_Phdr *) elf->phdrs + elf->ehdr.ehdr32.e_phnum; phdr++)
#define FOR_ELF64_PHDRS(elf, phdr) \
for (grub_elf64_load_phdrs (elf), phdr = elf->phdrs; \
phdr && phdr < (Elf64_Phdr *) elf->phdrs + elf->ehdr.ehdr64.e_phnum; phdr++)
#endif /* ! GRUB_ELFLOAD_HEADER */
|
