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elfhdr.c (112089) elfhdr.c (130927)
1/*
2 * Copyright (c) 1999 Global Technology Associates, Inc.
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) 1999 Global Technology Associates, Inc.
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/kgzip/elfhdr.c 112089 2003-03-11 11:45:43Z ru $
26 * $FreeBSD: head/usr.sbin/kgzip/elfhdr.c 130927 2004-06-22 17:05:39Z obrien $
27 */
28
27 */
28
29#include <sys/endian.h>
29#include <stddef.h>
30#include "elfhdr.h"
30#include <stddef.h>
31#include "elfhdr.h"
31#include "endian.h"
32
33#define KGZ_FIX_NSIZE 0 /* Run-time fixup */
34
35/*
36 * Relocatable header template.
37 */
38const struct kgz_elfhdr elfhdr = {
39 /* ELF header */
40 {
41 {
42 ELFMAG0, ELFMAG1, ELFMAG2, ELFMAG3, /* e_ident */
43 ELFCLASS32, ELFDATA2LSB, EV_CURRENT, 0,
44 'F', 'r', 'e', 'e', 'B', 'S', 'D', 0
45 },
32
33#define KGZ_FIX_NSIZE 0 /* Run-time fixup */
34
35/*
36 * Relocatable header template.
37 */
38const struct kgz_elfhdr elfhdr = {
39 /* ELF header */
40 {
41 {
42 ELFMAG0, ELFMAG1, ELFMAG2, ELFMAG3, /* e_ident */
43 ELFCLASS32, ELFDATA2LSB, EV_CURRENT, 0,
44 'F', 'r', 'e', 'e', 'B', 'S', 'D', 0
45 },
46 HTOLE16(ET_EXEC), /* e_type */
47 HTOLE16(EM_386), /* e_machine */
48 HTOLE32(EV_CURRENT), /* e_version */
46 htole16(ET_EXEC), /* e_type */
47 htole16(EM_386), /* e_machine */
48 htole32(EV_CURRENT), /* e_version */
49 0, /* e_entry */
50 0, /* e_phoff */
49 0, /* e_entry */
50 0, /* e_phoff */
51 HTOLE32(offsetof(struct kgz_elfhdr, sh)), /* e_shoff */
51 htole32(offsetof(struct kgz_elfhdr, sh)), /* e_shoff */
52 0, /* e_flags */
52 0, /* e_flags */
53 HTOLE16(sizeof(Elf32_Ehdr)), /* e_ehsize */
53 htole16(sizeof(Elf32_Ehdr)), /* e_ehsize */
54 0, /* e_phentsize */
55 0, /* e_phnum */
54 0, /* e_phentsize */
55 0, /* e_phnum */
56 HTOLE16(sizeof(Elf32_Shdr)), /* e_shentsize */
57 HTOLE16(KGZ_SHNUM), /* e_shnum */
58 HTOLE16(KGZ_SH_SHSTRTAB) /* e_shstrndx */
56 htole16(sizeof(Elf32_Shdr)), /* e_shentsize */
57 htole16(KGZ_SHNUM), /* e_shnum */
58 htole16(KGZ_SH_SHSTRTAB) /* e_shstrndx */
59 },
60 /* Section header */
61 {
62 {
63 0, /* sh_name */
59 },
60 /* Section header */
61 {
62 {
63 0, /* sh_name */
64 HTOLE32(SHT_NULL), /* sh_type */
64 htole32(SHT_NULL), /* sh_type */
65 0, /* sh_flags */
66 0, /* sh_addr */
67 0, /* sh_offset */
68 0, /* sh_size */
65 0, /* sh_flags */
66 0, /* sh_addr */
67 0, /* sh_offset */
68 0, /* sh_size */
69 HTOLE32(SHN_UNDEF), /* sh_link */
69 htole32(SHN_UNDEF), /* sh_link */
70 0, /* sh_info */
71 0, /* sh_addralign */
72 0 /* sh_entsize */
73 },
74 {
70 0, /* sh_info */
71 0, /* sh_addralign */
72 0 /* sh_entsize */
73 },
74 {
75 HTOLE32(offsetof(struct kgz_shstrtab, symtab)), /* sh_name */
76 HTOLE32(SHT_SYMTAB), /* sh_type */
75 htole32(offsetof(struct kgz_shstrtab, symtab)), /* sh_name */
76 htole32(SHT_SYMTAB), /* sh_type */
77 0, /* sh_flags */
78 0, /* sh_addr */
77 0, /* sh_flags */
78 0, /* sh_addr */
79 HTOLE32(offsetof(struct kgz_elfhdr, st)), /* sh_offset */
80 HTOLE32(sizeof(Elf32_Sym) * KGZ_STNUM), /* sh_size */
81 HTOLE32(KGZ_SH_STRTAB), /* sh_link */
82 HTOLE32(1), /* sh_info */
83 HTOLE32(4), /* sh_addralign */
84 HTOLE32(sizeof(Elf32_Sym)) /* sh_entsize */
79 htole32(offsetof(struct kgz_elfhdr, st)), /* sh_offset */
80 htole32(sizeof(Elf32_Sym) * KGZ_STNUM), /* sh_size */
81 htole32(KGZ_SH_STRTAB), /* sh_link */
82 htole32(1), /* sh_info */
83 htole32(4), /* sh_addralign */
84 htole32(sizeof(Elf32_Sym)) /* sh_entsize */
85 },
86 {
85 },
86 {
87 HTOLE32(offsetof(struct kgz_shstrtab, shstrtab)), /* sh_name */
88 HTOLE32(SHT_STRTAB), /* sh_type */
87 htole32(offsetof(struct kgz_shstrtab, shstrtab)), /* sh_name */
88 htole32(SHT_STRTAB), /* sh_type */
89 0, /* sh_flags */
90 0, /* sh_addr */
89 0, /* sh_flags */
90 0, /* sh_addr */
91 HTOLE32(offsetof(struct kgz_elfhdr, shstrtab)), /* sh_offset */
92 HTOLE32(sizeof(struct kgz_shstrtab)), /* sh_size */
93 HTOLE32(SHN_UNDEF), /* sh_link */
91 htole32(offsetof(struct kgz_elfhdr, shstrtab)), /* sh_offset */
92 htole32(sizeof(struct kgz_shstrtab)), /* sh_size */
93 htole32(SHN_UNDEF), /* sh_link */
94 0, /* sh_info */
94 0, /* sh_info */
95 HTOLE32(1), /* sh_addralign */
95 htole32(1), /* sh_addralign */
96 0 /* sh_entsize */
97 },
98 {
96 0 /* sh_entsize */
97 },
98 {
99 HTOLE32(offsetof(struct kgz_shstrtab, strtab)), /* sh_name */
100 HTOLE32(SHT_STRTAB), /* sh_type */
99 htole32(offsetof(struct kgz_shstrtab, strtab)), /* sh_name */
100 htole32(SHT_STRTAB), /* sh_type */
101 0, /* sh_flags */
102 0, /* sh_addr */
101 0, /* sh_flags */
102 0, /* sh_addr */
103 HTOLE32(offsetof(struct kgz_elfhdr, strtab)), /* sh_offset */
104 HTOLE32(sizeof(struct kgz_strtab)), /* sh_size */
105 HTOLE32(SHN_UNDEF), /* sh_link */
103 htole32(offsetof(struct kgz_elfhdr, strtab)), /* sh_offset */
104 htole32(sizeof(struct kgz_strtab)), /* sh_size */
105 htole32(SHN_UNDEF), /* sh_link */
106 0, /* sh_info */
106 0, /* sh_info */
107 HTOLE32(1), /* sh_addralign */
107 htole32(1), /* sh_addralign */
108 0 /* sh_entsize */
109 },
110 {
108 0 /* sh_entsize */
109 },
110 {
111 HTOLE32(offsetof(struct kgz_shstrtab, data)), /* sh_name */
112 HTOLE32(SHT_PROGBITS), /* sh_type */
113 HTOLE32(SHF_ALLOC | SHF_WRITE), /* sh_flags */
111 htole32(offsetof(struct kgz_shstrtab, data)), /* sh_name */
112 htole32(SHT_PROGBITS), /* sh_type */
113 htole32(SHF_ALLOC | SHF_WRITE), /* sh_flags */
114 0, /* sh_addr */
114 0, /* sh_addr */
115 HTOLE32(sizeof(struct kgz_elfhdr)), /* sh_offset */
116 HTOLE32(sizeof(struct kgz_hdr) + KGZ_FIX_NSIZE), /* sh_size */
117 HTOLE32(SHN_UNDEF), /* sh_link */
115 htole32(sizeof(struct kgz_elfhdr)), /* sh_offset */
116 htole32(sizeof(struct kgz_hdr) + KGZ_FIX_NSIZE), /* sh_size */
117 htole32(SHN_UNDEF), /* sh_link */
118 0, /* sh_info */
118 0, /* sh_info */
119 HTOLE32(4), /* sh_addralign */
119 htole32(4), /* sh_addralign */
120 0 /* sh_entsize */
121 }
122 },
123 /* Symbol table */
124 {
125 {
126 0, /* st_name */
127 0, /* st_value */
128 0, /* st_size */
129 0, /* st_info */
130 0, /* st_other */
120 0 /* sh_entsize */
121 }
122 },
123 /* Symbol table */
124 {
125 {
126 0, /* st_name */
127 0, /* st_value */
128 0, /* st_size */
129 0, /* st_info */
130 0, /* st_other */
131 HTOLE16(SHN_UNDEF) /* st_shndx */
131 htole16(SHN_UNDEF) /* st_shndx */
132 },
133 {
132 },
133 {
134 HTOLE32(offsetof(struct kgz_strtab, kgz)), /* st_name */
134 htole32(offsetof(struct kgz_strtab, kgz)), /* st_name */
135 0, /* st_value */
135 0, /* st_value */
136 HTOLE32(sizeof(struct kgz_hdr)), /* st_size */
136 htole32(sizeof(struct kgz_hdr)), /* st_size */
137 ELF32_ST_INFO(STB_GLOBAL, STT_OBJECT), /* st_info */
138 0, /* st_other */
137 ELF32_ST_INFO(STB_GLOBAL, STT_OBJECT), /* st_info */
138 0, /* st_other */
139 HTOLE16(KGZ_SH_DATA) /* st_shndx */
139 htole16(KGZ_SH_DATA) /* st_shndx */
140 },
141 {
140 },
141 {
142 HTOLE32(offsetof(struct kgz_strtab, kgz_ndata)), /* st_name */
143 HTOLE32(sizeof(struct kgz_hdr)), /* st_value */
144 HTOLE32(KGZ_FIX_NSIZE), /* st_size */
142 htole32(offsetof(struct kgz_strtab, kgz_ndata)), /* st_name */
143 htole32(sizeof(struct kgz_hdr)), /* st_value */
144 htole32(KGZ_FIX_NSIZE), /* st_size */
145 ELF32_ST_INFO(STB_GLOBAL, STT_OBJECT), /* st_info */
146 0, /* st_other */
145 ELF32_ST_INFO(STB_GLOBAL, STT_OBJECT), /* st_info */
146 0, /* st_other */
147 HTOLE16(KGZ_SH_DATA) /* st_shndx */
147 htole16(KGZ_SH_DATA) /* st_shndx */
148 }
149 },
150 /* Section header string table */
151 {
152 KGZ_SHSTR_ZERO, /* zero */
153 KGZ_SHSTR_SYMTAB, /* symtab */
154 KGZ_SHSTR_SHSTRTAB, /* shstrtab */
155 KGZ_SHSTR_STRTAB, /* strtab */
156 KGZ_SHSTR_DATA /* data */
157 },
158 /* String table */
159 {
160 KGZ_STR_ZERO, /* zero */
161 KGZ_STR_KGZ, /* kgz */
162 KGZ_STR_KGZ_NDATA /* kgz_ndata */
163 }
164};
148 }
149 },
150 /* Section header string table */
151 {
152 KGZ_SHSTR_ZERO, /* zero */
153 KGZ_SHSTR_SYMTAB, /* symtab */
154 KGZ_SHSTR_SHSTRTAB, /* shstrtab */
155 KGZ_SHSTR_STRTAB, /* strtab */
156 KGZ_SHSTR_DATA /* data */
157 },
158 /* String table */
159 {
160 KGZ_STR_ZERO, /* zero */
161 KGZ_STR_KGZ, /* kgz */
162 KGZ_STR_KGZ_NDATA /* kgz_ndata */
163 }
164};