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elfh.c (112092) elfh.c (130927)
1/*
2 * Copyright (c) 1998 Robert Nordier
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

--- 9 unchanged lines hidden (view full) ---

18 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
19 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
20 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
21 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
22 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
23 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
24 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
1/*
2 * Copyright (c) 1998 Robert Nordier
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

--- 9 unchanged lines hidden (view full) ---

18 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
19 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
20 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
21 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
22 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
23 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
24 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 * $FreeBSD: head/usr.sbin/btxld/elfh.c 112092 2003-03-11 13:48:58Z ru $
26 * $FreeBSD: head/usr.sbin/btxld/elfh.c 130927 2004-06-22 17:05:39Z obrien $
27 */
28
29#include <sys/types.h>
27 */
28
29#include <sys/types.h>
30#include <sys/endian.h>
30
31#include <stddef.h>
32#include "elfh.h"
31
32#include <stddef.h>
33#include "elfh.h"
33#include "endian.h"
34
35#define SET_ME 0xeeeeeeee /* filled in by btxld */
36
37/*
38 * ELF header template.
39 */
40const struct elfh elfhdr = {
41 {
42 {
43 ELFMAG0, ELFMAG1, ELFMAG2, ELFMAG3, /* e_ident */
44 ELFCLASS32, ELFDATA2LSB, EV_CURRENT, 0,
45 'F', 'r', 'e', 'e', 'B', 'S', 'D', 0
46 },
34
35#define SET_ME 0xeeeeeeee /* filled in by btxld */
36
37/*
38 * ELF header template.
39 */
40const struct elfh elfhdr = {
41 {
42 {
43 ELFMAG0, ELFMAG1, ELFMAG2, ELFMAG3, /* e_ident */
44 ELFCLASS32, ELFDATA2LSB, EV_CURRENT, 0,
45 'F', 'r', 'e', 'e', 'B', 'S', 'D', 0
46 },
47 HTOLE16(ET_EXEC), /* e_type */
48 HTOLE16(EM_386), /* e_machine */
49 HTOLE32(EV_CURRENT), /* e_version */
50 HTOLE32(SET_ME), /* e_entry */
51 HTOLE32(offsetof(struct elfh, p)), /* e_phoff */
52 HTOLE32(offsetof(struct elfh, sh)), /* e_shoff */
47 htole16(ET_EXEC), /* e_type */
48 htole16(EM_386), /* e_machine */
49 htole32(EV_CURRENT), /* e_version */
50 htole32(SET_ME), /* e_entry */
51 htole32(offsetof(struct elfh, p)), /* e_phoff */
52 htole32(offsetof(struct elfh, sh)), /* e_shoff */
53 0, /* e_flags */
53 0, /* e_flags */
54 HTOLE16(sizeof(elfhdr.e)), /* e_ehsize */
55 HTOLE16(sizeof(elfhdr.p[0])), /* e_phentsize */
56 HTOLE16(sizeof(elfhdr.p) / sizeof(elfhdr.p[0])), /* e_phnum */
57 HTOLE16(sizeof(elfhdr.sh[0])), /* e_shentsize */
58 HTOLE16(sizeof(elfhdr.sh) / sizeof(elfhdr.sh[0])), /* e_shnum */
59 HTOLE16(1) /* e_shstrndx */
54 htole16(sizeof(elfhdr.e)), /* e_ehsize */
55 htole16(sizeof(elfhdr.p[0])), /* e_phentsize */
56 htole16(sizeof(elfhdr.p) / sizeof(elfhdr.p[0])), /* e_phnum */
57 htole16(sizeof(elfhdr.sh[0])), /* e_shentsize */
58 htole16(sizeof(elfhdr.sh) / sizeof(elfhdr.sh[0])), /* e_shnum */
59 htole16(1) /* e_shstrndx */
60 },
61 {
62 {
60 },
61 {
62 {
63 HTOLE32(PT_LOAD), /* p_type */
64 HTOLE32(sizeof(elfhdr)), /* p_offset */
65 HTOLE32(SET_ME), /* p_vaddr */
66 HTOLE32(SET_ME), /* p_paddr */
67 HTOLE32(SET_ME), /* p_filesz */
68 HTOLE32(SET_ME), /* p_memsz */
69 HTOLE32(PF_R | PF_X), /* p_flags */
70 HTOLE32(0x1000) /* p_align */
63 htole32(PT_LOAD), /* p_type */
64 htole32(sizeof(elfhdr)), /* p_offset */
65 htole32(SET_ME), /* p_vaddr */
66 htole32(SET_ME), /* p_paddr */
67 htole32(SET_ME), /* p_filesz */
68 htole32(SET_ME), /* p_memsz */
69 htole32(PF_R | PF_X), /* p_flags */
70 htole32(0x1000) /* p_align */
71 },
72 {
71 },
72 {
73 HTOLE32(PT_LOAD), /* p_type */
74 HTOLE32(SET_ME), /* p_offset */
75 HTOLE32(SET_ME), /* p_vaddr */
76 HTOLE32(SET_ME), /* p_paddr */
77 HTOLE32(SET_ME), /* p_filesz */
78 HTOLE32(SET_ME), /* p_memsz */
79 HTOLE32(PF_R | PF_W), /* p_flags */
80 HTOLE32(0x1000) /* p_align */
73 htole32(PT_LOAD), /* p_type */
74 htole32(SET_ME), /* p_offset */
75 htole32(SET_ME), /* p_vaddr */
76 htole32(SET_ME), /* p_paddr */
77 htole32(SET_ME), /* p_filesz */
78 htole32(SET_ME), /* p_memsz */
79 htole32(PF_R | PF_W), /* p_flags */
80 htole32(0x1000) /* p_align */
81 }
82 },
83 {
84 {
81 }
82 },
83 {
84 {
85 0, HTOLE32(SHT_NULL), 0, 0, 0, 0, HTOLE32(SHN_UNDEF), 0, 0, 0
85 0, htole32(SHT_NULL), 0, 0, 0, 0, htole32(SHN_UNDEF), 0, 0, 0
86 },
87 {
86 },
87 {
88 HTOLE32(1), /* sh_name */
89 HTOLE32(SHT_STRTAB), /* sh_type */
88 htole32(1), /* sh_name */
89 htole32(SHT_STRTAB), /* sh_type */
90 0, /* sh_flags */
91 0, /* sh_addr */
90 0, /* sh_flags */
91 0, /* sh_addr */
92 HTOLE32(offsetof(struct elfh, shstrtab)), /* sh_offset */
93 HTOLE32(sizeof(elfhdr.shstrtab)), /* sh_size */
94 HTOLE32(SHN_UNDEF), /* sh_link */
92 htole32(offsetof(struct elfh, shstrtab)), /* sh_offset */
93 htole32(sizeof(elfhdr.shstrtab)), /* sh_size */
94 htole32(SHN_UNDEF), /* sh_link */
95 0, /* sh_info */
95 0, /* sh_info */
96 HTOLE32(1), /* sh_addralign */
96 htole32(1), /* sh_addralign */
97 0 /* sh_entsize */
98 },
99 {
97 0 /* sh_entsize */
98 },
99 {
100 HTOLE32(0xb), /* sh_name */
101 HTOLE32(SHT_PROGBITS), /* sh_type */
102 HTOLE32(SHF_EXECINSTR | SHF_ALLOC), /* sh_flags */
103 HTOLE32(SET_ME), /* sh_addr */
104 HTOLE32(SET_ME), /* sh_offset */
105 HTOLE32(SET_ME), /* sh_size */
106 HTOLE32(SHN_UNDEF), /* sh_link */
100 htole32(0xb), /* sh_name */
101 htole32(SHT_PROGBITS), /* sh_type */
102 htole32(SHF_EXECINSTR | SHF_ALLOC), /* sh_flags */
103 htole32(SET_ME), /* sh_addr */
104 htole32(SET_ME), /* sh_offset */
105 htole32(SET_ME), /* sh_size */
106 htole32(SHN_UNDEF), /* sh_link */
107 0, /* sh_info */
107 0, /* sh_info */
108 HTOLE32(4), /* sh_addralign */
108 htole32(4), /* sh_addralign */
109 0 /* sh_entsize */
110 },
111 {
109 0 /* sh_entsize */
110 },
111 {
112 HTOLE32(0x11), /* sh_name */
113 HTOLE32(SHT_PROGBITS), /* sh_type */
114 HTOLE32(SHF_ALLOC | SHF_WRITE), /* sh_flags */
115 HTOLE32(SET_ME), /* sh_addr */
116 HTOLE32(SET_ME), /* sh_offset */
117 HTOLE32(SET_ME), /* sh_size */
118 HTOLE32(SHN_UNDEF), /* sh_link */
112 htole32(0x11), /* sh_name */
113 htole32(SHT_PROGBITS), /* sh_type */
114 htole32(SHF_ALLOC | SHF_WRITE), /* sh_flags */
115 htole32(SET_ME), /* sh_addr */
116 htole32(SET_ME), /* sh_offset */
117 htole32(SET_ME), /* sh_size */
118 htole32(SHN_UNDEF), /* sh_link */
119 0, /* sh_info */
119 0, /* sh_info */
120 HTOLE32(4), /* sh_addralign */
120 htole32(4), /* sh_addralign */
121 0 /* sh_entsize */
122 }
123 },
124 "\0.shstrtab\0.text\0.data" /* shstrtab */
125};
121 0 /* sh_entsize */
122 }
123 },
124 "\0.shstrtab\0.text\0.data" /* shstrtab */
125};