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/* ELF support for BFD.
   Copyright 1991, 1992, 1993, 1995, 1997, 1998, 1999, 2001
   Free Software Foundation, Inc.
 
   Written by Fred Fish @ Cygnus Support, from information published
   in "UNIX System V Release 4, Programmers Guide: ANSI C and
   Programming Support Tools".
 
This file is part of BFD, the Binary File Descriptor library.
 
This program 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 2 of the License, or
(at your option) any later version.
 
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
 
/* This file is part of ELF support for BFD, and contains the portions
   that describe how ELF is represented externally by the BFD library.
   I.E. it describes the in-file representation of ELF.  It requires
   the elf/common.h file which contains the portions that are common to
   both the internal and external representations. */
 
/* The 64-bit stuff is kind of random.  Perhaps someone will publish a
   spec someday.  */
 
#ifndef _ELF_EXTERNAL_H
#define _ELF_EXTERNAL_H
 
/* ELF Header (32-bit implementations) */
 
typedef struct {
  unsigned char e_ident[16];            /* ELF "magic number" */
  unsigned char e_type[2];              /* Identifies object file type */
  unsigned char e_machine[2];           /* Specifies required architecture */
  unsigned char e_version[4];           /* Identifies object file version */
  unsigned char e_entry[4];             /* Entry point virtual address */
  unsigned char e_phoff[4];             /* Program header table file offset */
  unsigned char e_shoff[4];             /* Section header table file offset */
  unsigned char e_flags[4];             /* Processor-specific flags */
  unsigned char e_ehsize[2];            /* ELF header size in bytes */
  unsigned char e_phentsize[2];         /* Program header table entry size */
  unsigned char e_phnum[2];             /* Program header table entry count */
  unsigned char e_shentsize[2];         /* Section header table entry size */
  unsigned char e_shnum[2];             /* Section header table entry count */
  unsigned char e_shstrndx[2];          /* Section header string table index */
} Elf32_External_Ehdr;
 
typedef struct {
  unsigned char e_ident[16];            /* ELF "magic number" */
  unsigned char e_type[2];              /* Identifies object file type */
  unsigned char e_machine[2];           /* Specifies required architecture */
  unsigned char e_version[4];           /* Identifies object file version */
  unsigned char e_entry[8];             /* Entry point virtual address */
  unsigned char e_phoff[8];             /* Program header table file offset */
  unsigned char e_shoff[8];             /* Section header table file offset */
  unsigned char e_flags[4];             /* Processor-specific flags */
  unsigned char e_ehsize[2];            /* ELF header size in bytes */
  unsigned char e_phentsize[2];         /* Program header table entry size */
  unsigned char e_phnum[2];             /* Program header table entry count */
  unsigned char e_shentsize[2];         /* Section header table entry size */
  unsigned char e_shnum[2];             /* Section header table entry count */
  unsigned char e_shstrndx[2];          /* Section header string table index */
} Elf64_External_Ehdr;
 
/* Program header */
 
typedef struct {
  unsigned char p_type[4];              /* Identifies program segment type */
  unsigned char p_offset[4];            /* Segment file offset */
  unsigned char p_vaddr[4];             /* Segment virtual address */
  unsigned char p_paddr[4];             /* Segment physical address */
  unsigned char p_filesz[4];            /* Segment size in file */
  unsigned char p_memsz[4];             /* Segment size in memory */
  unsigned char p_flags[4];             /* Segment flags */
  unsigned char p_align[4];             /* Segment alignment, file & memory */
} Elf32_External_Phdr;
 
typedef struct {
  unsigned char p_type[4];              /* Identifies program segment type */
  unsigned char p_flags[4];             /* Segment flags */
  unsigned char p_offset[8];            /* Segment file offset */
  unsigned char p_vaddr[8];             /* Segment virtual address */
  unsigned char p_paddr[8];             /* Segment physical address */
  unsigned char p_filesz[8];            /* Segment size in file */
  unsigned char p_memsz[8];             /* Segment size in memory */
  unsigned char p_align[8];             /* Segment alignment, file & memory */
} Elf64_External_Phdr;
 
/* Section header */
 
typedef struct {
  unsigned char sh_name[4];             /* Section name, index in string tbl */
  unsigned char sh_type[4];             /* Type of section */
  unsigned char sh_flags[4];            /* Miscellaneous section attributes */
  unsigned char sh_addr[4];             /* Section virtual addr at execution */
  unsigned char sh_offset[4];           /* Section file offset */
  unsigned char sh_size[4];             /* Size of section in bytes */
  unsigned char sh_link[4];             /* Index of another section */
  unsigned char sh_info[4];             /* Additional section information */
  unsigned char sh_addralign[4];        /* Section alignment */
  unsigned char sh_entsize[4];          /* Entry size if section holds table */
} Elf32_External_Shdr;
 
typedef struct {
  unsigned char sh_name[4];             /* Section name, index in string tbl */
  unsigned char sh_type[4];             /* Type of section */
  unsigned char sh_flags[8];            /* Miscellaneous section attributes */
  unsigned char sh_addr[8];             /* Section virtual addr at execution */
  unsigned char sh_offset[8];           /* Section file offset */
  unsigned char sh_size[8];             /* Size of section in bytes */
  unsigned char sh_link[4];             /* Index of another section */
  unsigned char sh_info[4];             /* Additional section information */
  unsigned char sh_addralign[8];        /* Section alignment */
  unsigned char sh_entsize[8];          /* Entry size if section holds table */
} Elf64_External_Shdr;
 
/* Symbol table entry */
 
typedef struct {
  unsigned char st_name[4];             /* Symbol name, index in string tbl */
  unsigned char st_value[4];            /* Value of the symbol */
  unsigned char st_size[4];             /* Associated symbol size */
  unsigned char st_info[1];             /* Type and binding attributes */
  unsigned char st_other[1];            /* No defined meaning, 0 */
  unsigned char st_shndx[2];            /* Associated section index */
} Elf32_External_Sym;
 
typedef struct {
  unsigned char st_name[4];             /* Symbol name, index in string tbl */
  unsigned char st_info[1];             /* Type and binding attributes */
  unsigned char st_other[1];            /* No defined meaning, 0 */
  unsigned char st_shndx[2];            /* Associated section index */
  unsigned char st_value[8];            /* Value of the symbol */
  unsigned char st_size[8];             /* Associated symbol size */
} Elf64_External_Sym;
 
/* Note segments */
 
typedef struct {
  unsigned char namesz[4];              /* Size of entry's owner string */
  unsigned char descsz[4];              /* Size of the note descriptor */
  unsigned char type[4];                /* Interpretation of the descriptor */
  char          name[1];                /* Start of the name+desc data */
} Elf_External_Note;
 
/* Relocation Entries */
typedef struct {
  unsigned char r_offset[4];    /* Location at which to apply the action */
  unsigned char r_info[4];      /* index and type of relocation */
} Elf32_External_Rel;
 
typedef struct {
  unsigned char r_offset[4];    /* Location at which to apply the action */
  unsigned char r_info[4];      /* index and type of relocation */
  unsigned char r_addend[4];    /* Constant addend used to compute value */
} Elf32_External_Rela;
 
typedef struct {
  unsigned char r_offset[8];    /* Location at which to apply the action */
  unsigned char r_info[8];      /* index and type of relocation */
} Elf64_External_Rel;
 
typedef struct {
  unsigned char r_offset[8];    /* Location at which to apply the action */
  unsigned char r_info[8];      /* index and type of relocation */
  unsigned char r_addend[8];    /* Constant addend used to compute value */
} Elf64_External_Rela;
 
/* dynamic section structure */
 
typedef struct {
  unsigned char d_tag[4];               /* entry tag value */
  union {
    unsigned char       d_val[4];
    unsigned char       d_ptr[4];
  } d_un;
} Elf32_External_Dyn;
 
typedef struct {
  unsigned char d_tag[8];               /* entry tag value */
  union {
    unsigned char       d_val[8];
    unsigned char       d_ptr[8];
  } d_un;
} Elf64_External_Dyn;
 
/* The version structures are currently size independent.  They are
   named without a 32 or 64.  If that ever changes, these structures
   will need to be renamed.  */
 
/* This structure appears in a SHT_GNU_verdef section.  */
 
typedef struct {
  unsigned char         vd_version[2];
  unsigned char         vd_flags[2];
  unsigned char         vd_ndx[2];
  unsigned char         vd_cnt[2];
  unsigned char         vd_hash[4];
  unsigned char         vd_aux[4];
  unsigned char         vd_next[4];
} Elf_External_Verdef;
 
/* This structure appears in a SHT_GNU_verdef section.  */
 
typedef struct {
  unsigned char         vda_name[4];
  unsigned char         vda_next[4];
} Elf_External_Verdaux;
 
/* This structure appears in a SHT_GNU_verneed section.  */
 
typedef struct {
  unsigned char         vn_version[2];
  unsigned char         vn_cnt[2];
  unsigned char         vn_file[4];
  unsigned char         vn_aux[4];
  unsigned char         vn_next[4];
} Elf_External_Verneed;
 
/* This structure appears in a SHT_GNU_verneed section.  */
 
typedef struct {
  unsigned char         vna_hash[4];
  unsigned char         vna_flags[2];
  unsigned char         vna_other[2];
  unsigned char         vna_name[4];
  unsigned char         vna_next[4];
} Elf_External_Vernaux;
 
/* This structure appears in a SHT_GNU_versym section.  This is not a
   standard ELF structure; ELF just uses Elf32_Half.  */
 
typedef struct {
  unsigned char         vs_vers[2];
}
#ifdef __GNUC__
  __attribute__ ((packed))
#endif
  Elf_External_Versym;
 
/* Structure for syminfo section.  */
typedef struct
{
  unsigned char         si_boundto[2];
  unsigned char         si_flags[2];
} Elf_External_Syminfo;
 
#endif /* _ELF_EXTERNAL_H */

Line No.	Rev	Author	Line
1	578	markom	`/* ELF support for BFD.`
2			`Copyright 1991, 1992, 1993, 1995, 1997, 1998, 1999, 2001`
3			`Free Software Foundation, Inc.`
4
5			`Written by Fred Fish @ Cygnus Support, from information published`
6			`in "UNIX System V Release 4, Programmers Guide: ANSI C and`
7			`Programming Support Tools".`
8
9			`This file is part of BFD, the Binary File Descriptor library.`
10
11			`This program is free software; you can redistribute it and/or modify`
12			`it under the terms of the GNU General Public License as published by`
13			`the Free Software Foundation; either version 2 of the License, or`
14			`(at your option) any later version.`
15
16			`This program is distributed in the hope that it will be useful,`
17			`but WITHOUT ANY WARRANTY; without even the implied warranty of`
18			`MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the`
19			`GNU General Public License for more details.`
20
21			`You should have received a copy of the GNU General Public License`
22			`along with this program; if not, write to the Free Software`
23			`Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */`
24
25
26			`/* This file is part of ELF support for BFD, and contains the portions`
27			`that describe how ELF is represented externally by the BFD library.`
28			`I.E. it describes the in-file representation of ELF. It requires`
29			`the elf/common.h file which contains the portions that are common to`
30			`both the internal and external representations. */`
31
32			`/* The 64-bit stuff is kind of random. Perhaps someone will publish a`
33			`spec someday. */`
34
35			`#ifndef _ELF_EXTERNAL_H`
36			`#define _ELF_EXTERNAL_H`
37
38			`/* ELF Header (32-bit implementations) */`
39
40			`typedef struct {`
41			`unsigned char e_ident[16]; /* ELF "magic number" */`
42			`unsigned char e_type[2]; /* Identifies object file type */`
43			`unsigned char e_machine[2]; /* Specifies required architecture */`
44			`unsigned char e_version[4]; /* Identifies object file version */`
45			`unsigned char e_entry[4]; /* Entry point virtual address */`
46			`unsigned char e_phoff[4]; /* Program header table file offset */`
47			`unsigned char e_shoff[4]; /* Section header table file offset */`
48			`unsigned char e_flags[4]; /* Processor-specific flags */`
49			`unsigned char e_ehsize[2]; /* ELF header size in bytes */`
50			`unsigned char e_phentsize[2]; /* Program header table entry size */`
51			`unsigned char e_phnum[2]; /* Program header table entry count */`
52			`unsigned char e_shentsize[2]; /* Section header table entry size */`
53			`unsigned char e_shnum[2]; /* Section header table entry count */`
54			`unsigned char e_shstrndx[2]; /* Section header string table index */`
55			`} Elf32_External_Ehdr;`
56
57			`typedef struct {`
58			`unsigned char e_ident[16]; /* ELF "magic number" */`
59			`unsigned char e_type[2]; /* Identifies object file type */`
60			`unsigned char e_machine[2]; /* Specifies required architecture */`
61			`unsigned char e_version[4]; /* Identifies object file version */`
62			`unsigned char e_entry[8]; /* Entry point virtual address */`
63			`unsigned char e_phoff[8]; /* Program header table file offset */`
64			`unsigned char e_shoff[8]; /* Section header table file offset */`
65			`unsigned char e_flags[4]; /* Processor-specific flags */`
66			`unsigned char e_ehsize[2]; /* ELF header size in bytes */`
67			`unsigned char e_phentsize[2]; /* Program header table entry size */`
68			`unsigned char e_phnum[2]; /* Program header table entry count */`
69			`unsigned char e_shentsize[2]; /* Section header table entry size */`
70			`unsigned char e_shnum[2]; /* Section header table entry count */`
71			`unsigned char e_shstrndx[2]; /* Section header string table index */`
72			`} Elf64_External_Ehdr;`
73
74			`/* Program header */`
75
76			`typedef struct {`
77			`unsigned char p_type[4]; /* Identifies program segment type */`
78			`unsigned char p_offset[4]; /* Segment file offset */`
79			`unsigned char p_vaddr[4]; /* Segment virtual address */`
80			`unsigned char p_paddr[4]; /* Segment physical address */`
81			`unsigned char p_filesz[4]; /* Segment size in file */`
82			`unsigned char p_memsz[4]; /* Segment size in memory */`
83			`unsigned char p_flags[4]; /* Segment flags */`
84			`unsigned char p_align[4]; /* Segment alignment, file & memory */`
85			`} Elf32_External_Phdr;`
86
87			`typedef struct {`
88			`unsigned char p_type[4]; /* Identifies program segment type */`
89			`unsigned char p_flags[4]; /* Segment flags */`
90			`unsigned char p_offset[8]; /* Segment file offset */`
91			`unsigned char p_vaddr[8]; /* Segment virtual address */`
92			`unsigned char p_paddr[8]; /* Segment physical address */`
93			`unsigned char p_filesz[8]; /* Segment size in file */`
94			`unsigned char p_memsz[8]; /* Segment size in memory */`
95			`unsigned char p_align[8]; /* Segment alignment, file & memory */`
96			`} Elf64_External_Phdr;`
97
98			`/* Section header */`
99
100			`typedef struct {`
101			`unsigned char sh_name[4]; /* Section name, index in string tbl */`
102			`unsigned char sh_type[4]; /* Type of section */`
103			`unsigned char sh_flags[4]; /* Miscellaneous section attributes */`
104			`unsigned char sh_addr[4]; /* Section virtual addr at execution */`
105			`unsigned char sh_offset[4]; /* Section file offset */`
106			`unsigned char sh_size[4]; /* Size of section in bytes */`
107			`unsigned char sh_link[4]; /* Index of another section */`
108			`unsigned char sh_info[4]; /* Additional section information */`
109			`unsigned char sh_addralign[4]; /* Section alignment */`
110			`unsigned char sh_entsize[4]; /* Entry size if section holds table */`
111			`} Elf32_External_Shdr;`
112
113			`typedef struct {`
114			`unsigned char sh_name[4]; /* Section name, index in string tbl */`
115			`unsigned char sh_type[4]; /* Type of section */`
116			`unsigned char sh_flags[8]; /* Miscellaneous section attributes */`
117			`unsigned char sh_addr[8]; /* Section virtual addr at execution */`
118			`unsigned char sh_offset[8]; /* Section file offset */`
119			`unsigned char sh_size[8]; /* Size of section in bytes */`
120			`unsigned char sh_link[4]; /* Index of another section */`
121			`unsigned char sh_info[4]; /* Additional section information */`
122			`unsigned char sh_addralign[8]; /* Section alignment */`
123			`unsigned char sh_entsize[8]; /* Entry size if section holds table */`
124			`} Elf64_External_Shdr;`
125
126			`/* Symbol table entry */`
127
128			`typedef struct {`
129			`unsigned char st_name[4]; /* Symbol name, index in string tbl */`
130			`unsigned char st_value[4]; /* Value of the symbol */`
131			`unsigned char st_size[4]; /* Associated symbol size */`
132			`unsigned char st_info[1]; /* Type and binding attributes */`
133			`unsigned char st_other[1]; /* No defined meaning, 0 */`
134			`unsigned char st_shndx[2]; /* Associated section index */`
135			`} Elf32_External_Sym;`
136
137			`typedef struct {`
138			`unsigned char st_name[4]; /* Symbol name, index in string tbl */`
139			`unsigned char st_info[1]; /* Type and binding attributes */`
140			`unsigned char st_other[1]; /* No defined meaning, 0 */`
141			`unsigned char st_shndx[2]; /* Associated section index */`
142			`unsigned char st_value[8]; /* Value of the symbol */`
143			`unsigned char st_size[8]; /* Associated symbol size */`
144			`} Elf64_External_Sym;`
145
146			`/* Note segments */`
147
148			`typedef struct {`
149			`unsigned char namesz[4]; /* Size of entry's owner string */`
150			`unsigned char descsz[4]; /* Size of the note descriptor */`
151			`unsigned char type[4]; /* Interpretation of the descriptor */`
152			`char name[1]; /* Start of the name+desc data */`
153			`} Elf_External_Note;`
154
155			`/* Relocation Entries */`
156			`typedef struct {`
157			`unsigned char r_offset[4]; /* Location at which to apply the action */`
158			`unsigned char r_info[4]; /* index and type of relocation */`
159			`} Elf32_External_Rel;`
160
161			`typedef struct {`
162			`unsigned char r_offset[4]; /* Location at which to apply the action */`
163			`unsigned char r_info[4]; /* index and type of relocation */`
164			`unsigned char r_addend[4]; /* Constant addend used to compute value */`
165			`} Elf32_External_Rela;`
166
167			`typedef struct {`
168			`unsigned char r_offset[8]; /* Location at which to apply the action */`
169			`unsigned char r_info[8]; /* index and type of relocation */`
170			`} Elf64_External_Rel;`
171
172			`typedef struct {`
173			`unsigned char r_offset[8]; /* Location at which to apply the action */`
174			`unsigned char r_info[8]; /* index and type of relocation */`
175			`unsigned char r_addend[8]; /* Constant addend used to compute value */`
176			`} Elf64_External_Rela;`
177
178			`/* dynamic section structure */`
179
180			`typedef struct {`
181			`unsigned char d_tag[4]; /* entry tag value */`
182			`union {`
183			`unsigned char d_val[4];`
184			`unsigned char d_ptr[4];`
185			`} d_un;`
186			`} Elf32_External_Dyn;`
187
188			`typedef struct {`
189			`unsigned char d_tag[8]; /* entry tag value */`
190			`union {`
191			`unsigned char d_val[8];`
192			`unsigned char d_ptr[8];`
193			`} d_un;`
194			`} Elf64_External_Dyn;`
195
196			`/* The version structures are currently size independent. They are`
197			`named without a 32 or 64. If that ever changes, these structures`
198			`will need to be renamed. */`
199
200			`/* This structure appears in a SHT_GNU_verdef section. */`
201
202			`typedef struct {`
203			`unsigned char vd_version[2];`
204			`unsigned char vd_flags[2];`
205			`unsigned char vd_ndx[2];`
206			`unsigned char vd_cnt[2];`
207			`unsigned char vd_hash[4];`
208			`unsigned char vd_aux[4];`
209			`unsigned char vd_next[4];`
210			`} Elf_External_Verdef;`
211
212			`/* This structure appears in a SHT_GNU_verdef section. */`
213
214			`typedef struct {`
215			`unsigned char vda_name[4];`
216			`unsigned char vda_next[4];`
217			`} Elf_External_Verdaux;`
218
219			`/* This structure appears in a SHT_GNU_verneed section. */`
220
221			`typedef struct {`
222			`unsigned char vn_version[2];`
223			`unsigned char vn_cnt[2];`
224			`unsigned char vn_file[4];`
225			`unsigned char vn_aux[4];`
226			`unsigned char vn_next[4];`
227			`} Elf_External_Verneed;`
228
229			`/* This structure appears in a SHT_GNU_verneed section. */`
230
231			`typedef struct {`
232			`unsigned char vna_hash[4];`
233			`unsigned char vna_flags[2];`
234			`unsigned char vna_other[2];`
235			`unsigned char vna_name[4];`
236			`unsigned char vna_next[4];`
237			`} Elf_External_Vernaux;`
238
239			`/* This structure appears in a SHT_GNU_versym section. This is not a`
240			`standard ELF structure; ELF just uses Elf32_Half. */`
241
242			`typedef struct {`
243			`unsigned char vs_vers[2];`
244			`}`
245			`#ifdef __GNUC__`
246			`__attribute__ ((packed))`
247			`#endif`
248			`Elf_External_Versym;`
249
250			`/* Structure for syminfo section. */`
251			`typedef struct`
252			`{`
253			`unsigned char si_boundto[2];`
254			`unsigned char si_flags[2];`
255			`} Elf_External_Syminfo;`
256
257			`#endif /* _ELF_EXTERNAL_H */`

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