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244ffee7 | 1 | /* ELF executable support for BFD. |
6014cea7 | 2 | Copyright 1991, 1992, 1993, 1994, 1995, 1996 Free Software Foundation, Inc. |
244ffee7 JK |
3 | |
4 | Written by Fred Fish @ Cygnus Support, from information published | |
5 | in "UNIX System V Release 4, Programmers Guide: ANSI C and | |
6 | Programming Support Tools". Sufficient support for gdb. | |
7 | ||
8 | Rewritten by Mark Eichin @ Cygnus Support, from information | |
9 | published in "System V Application Binary Interface", chapters 4 | |
10 | and 5, as well as the various "Processor Supplement" documents | |
11 | derived from it. Added support for assembler and other object file | |
12 | utilities. Further work done by Ken Raeburn (Cygnus Support), Michael | |
13 | Meissner (Open Software Foundation), and Peter Hoogenboom (University | |
14 | of Utah) to finish and extend this. | |
15 | ||
16 | This file is part of BFD, the Binary File Descriptor library. | |
17 | ||
18 | This program is free software; you can redistribute it and/or modify | |
19 | it under the terms of the GNU General Public License as published by | |
20 | the Free Software Foundation; either version 2 of the License, or | |
21 | (at your option) any later version. | |
22 | ||
23 | This program is distributed in the hope that it will be useful, | |
24 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
25 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
26 | GNU General Public License for more details. | |
27 | ||
28 | You should have received a copy of the GNU General Public License | |
29 | along with this program; if not, write to the Free Software | |
b818a325 | 30 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
244ffee7 | 31 | |
244ffee7 JK |
32 | /* Problems and other issues to resolve. |
33 | ||
34 | (1) BFD expects there to be some fixed number of "sections" in | |
35 | the object file. I.E. there is a "section_count" variable in the | |
36 | bfd structure which contains the number of sections. However, ELF | |
37 | supports multiple "views" of a file. In particular, with current | |
38 | implementations, executable files typically have two tables, a | |
39 | program header table and a section header table, both of which | |
40 | partition the executable. | |
41 | ||
42 | In ELF-speak, the "linking view" of the file uses the section header | |
43 | table to access "sections" within the file, and the "execution view" | |
44 | uses the program header table to access "segments" within the file. | |
45 | "Segments" typically may contain all the data from one or more | |
46 | "sections". | |
47 | ||
48 | Note that the section header table is optional in ELF executables, | |
49 | but it is this information that is most useful to gdb. If the | |
50 | section header table is missing, then gdb should probably try | |
51 | to make do with the program header table. (FIXME) | |
52 | ||
6a3eb9b6 KR |
53 | (2) The code in this file is compiled twice, once in 32-bit mode and |
54 | once in 64-bit mode. More of it should be made size-independent | |
55 | and moved into elf.c. | |
56 | ||
d24928c0 KR |
57 | (3) ELF section symbols are handled rather sloppily now. This should |
58 | be cleaned up, and ELF section symbols reconciled with BFD section | |
59 | symbols. | |
5546cc7e KR |
60 | |
61 | (4) We need a published spec for 64-bit ELF. We've got some stuff here | |
62 | that we're using for SPARC V9 64-bit chips, but don't assume that | |
63 | it's cast in stone. | |
d24928c0 | 64 | */ |
244ffee7 | 65 | |
244ffee7 JK |
66 | #include "bfd.h" |
67 | #include "sysdep.h" | |
6ec3bb6a | 68 | #include "bfdlink.h" |
244ffee7 | 69 | #include "libbfd.h" |
6ab826bd | 70 | #include "elf-bfd.h" |
244ffee7 | 71 | |
32090b8e | 72 | /* Renaming structures, typedefs, macros and functions to be size-specific. */ |
244ffee7 | 73 | #define Elf_External_Ehdr NAME(Elf,External_Ehdr) |
244ffee7 | 74 | #define Elf_External_Sym NAME(Elf,External_Sym) |
244ffee7 | 75 | #define Elf_External_Shdr NAME(Elf,External_Shdr) |
244ffee7 | 76 | #define Elf_External_Phdr NAME(Elf,External_Phdr) |
244ffee7 JK |
77 | #define Elf_External_Rel NAME(Elf,External_Rel) |
78 | #define Elf_External_Rela NAME(Elf,External_Rela) | |
013dec1a | 79 | #define Elf_External_Dyn NAME(Elf,External_Dyn) |
244ffee7 | 80 | |
244ffee7 JK |
81 | #define elf_core_file_failing_command NAME(bfd_elf,core_file_failing_command) |
82 | #define elf_core_file_failing_signal NAME(bfd_elf,core_file_failing_signal) | |
cb71adf1 PS |
83 | #define elf_core_file_matches_executable_p \ |
84 | NAME(bfd_elf,core_file_matches_executable_p) | |
244ffee7 JK |
85 | #define elf_object_p NAME(bfd_elf,object_p) |
86 | #define elf_core_file_p NAME(bfd_elf,core_file_p) | |
244ffee7 | 87 | #define elf_get_symtab_upper_bound NAME(bfd_elf,get_symtab_upper_bound) |
cb71adf1 PS |
88 | #define elf_get_dynamic_symtab_upper_bound \ |
89 | NAME(bfd_elf,get_dynamic_symtab_upper_bound) | |
013dec1a ILT |
90 | #define elf_swap_reloc_in NAME(bfd_elf,swap_reloc_in) |
91 | #define elf_swap_reloca_in NAME(bfd_elf,swap_reloca_in) | |
92 | #define elf_swap_reloc_out NAME(bfd_elf,swap_reloc_out) | |
93 | #define elf_swap_reloca_out NAME(bfd_elf,swap_reloca_out) | |
71edd06d ILT |
94 | #define elf_swap_symbol_in NAME(bfd_elf,swap_symbol_in) |
95 | #define elf_swap_symbol_out NAME(bfd_elf,swap_symbol_out) | |
2b71e1e4 ILT |
96 | #define elf_swap_phdr_in NAME(bfd_elf,swap_phdr_in) |
97 | #define elf_swap_phdr_out NAME(bfd_elf,swap_phdr_out) | |
013dec1a ILT |
98 | #define elf_swap_dyn_in NAME(bfd_elf,swap_dyn_in) |
99 | #define elf_swap_dyn_out NAME(bfd_elf,swap_dyn_out) | |
244ffee7 JK |
100 | #define elf_get_reloc_upper_bound NAME(bfd_elf,get_reloc_upper_bound) |
101 | #define elf_canonicalize_reloc NAME(bfd_elf,canonicalize_reloc) | |
d1bf45aa | 102 | #define elf_slurp_symbol_table NAME(bfd_elf,slurp_symbol_table) |
244ffee7 | 103 | #define elf_get_symtab NAME(bfd_elf,get_symtab) |
cb71adf1 PS |
104 | #define elf_canonicalize_dynamic_symtab \ |
105 | NAME(bfd_elf,canonicalize_dynamic_symtab) | |
244ffee7 JK |
106 | #define elf_make_empty_symbol NAME(bfd_elf,make_empty_symbol) |
107 | #define elf_get_symbol_info NAME(bfd_elf,get_symbol_info) | |
244ffee7 JK |
108 | #define elf_get_lineno NAME(bfd_elf,get_lineno) |
109 | #define elf_set_arch_mach NAME(bfd_elf,set_arch_mach) | |
110 | #define elf_find_nearest_line NAME(bfd_elf,find_nearest_line) | |
111 | #define elf_sizeof_headers NAME(bfd_elf,sizeof_headers) | |
112 | #define elf_set_section_contents NAME(bfd_elf,set_section_contents) | |
113 | #define elf_no_info_to_howto NAME(bfd_elf,no_info_to_howto) | |
114 | #define elf_no_info_to_howto_rel NAME(bfd_elf,no_info_to_howto_rel) | |
f035cc47 | 115 | #define elf_find_section NAME(bfd_elf,find_section) |
6ec3bb6a | 116 | #define elf_bfd_link_add_symbols NAME(bfd_elf,bfd_link_add_symbols) |
013dec1a | 117 | #define elf_add_dynamic_entry NAME(bfd_elf,add_dynamic_entry) |
d1bf45aa ILT |
118 | #define elf_write_shdrs_and_ehdr NAME(bfd_elf,write_shdrs_and_ehdr) |
119 | #define elf_write_out_phdrs NAME(bfd_elf,write_out_phdrs) | |
374d2ef9 ILT |
120 | #define elf_link_create_dynamic_sections \ |
121 | NAME(bfd_elf,link_create_dynamic_sections) | |
ede4eed4 | 122 | #define elf_link_record_dynamic_symbol _bfd_elf_link_record_dynamic_symbol |
6ec3bb6a | 123 | #define elf_bfd_final_link NAME(bfd_elf,bfd_final_link) |
c9e5279f ILT |
124 | #define elf_create_pointer_linker_section NAME(bfd_elf,create_pointer_linker_section) |
125 | #define elf_finish_pointer_linker_section NAME(bfd_elf,finish_pointer_linker_section) | |
244ffee7 | 126 | |
6a3eb9b6 KR |
127 | #if ARCH_SIZE == 64 |
128 | #define ELF_R_INFO(X,Y) ELF64_R_INFO(X,Y) | |
129 | #define ELF_R_SYM(X) ELF64_R_SYM(X) | |
6ec3bb6a | 130 | #define ELF_R_TYPE(X) ELF64_R_TYPE(X) |
32090b8e | 131 | #define ELFCLASS ELFCLASS64 |
f035cc47 | 132 | #define FILE_ALIGN 8 |
013dec1a | 133 | #define LOG_FILE_ALIGN 3 |
6a3eb9b6 KR |
134 | #endif |
135 | #if ARCH_SIZE == 32 | |
136 | #define ELF_R_INFO(X,Y) ELF32_R_INFO(X,Y) | |
137 | #define ELF_R_SYM(X) ELF32_R_SYM(X) | |
6ec3bb6a | 138 | #define ELF_R_TYPE(X) ELF32_R_TYPE(X) |
32090b8e | 139 | #define ELFCLASS ELFCLASS32 |
f035cc47 | 140 | #define FILE_ALIGN 4 |
013dec1a | 141 | #define LOG_FILE_ALIGN 2 |
244ffee7 JK |
142 | #endif |
143 | ||
244ffee7 JK |
144 | /* Forward declarations of static functions */ |
145 | ||
d1bf45aa ILT |
146 | static void elf_swap_ehdr_in |
147 | PARAMS ((bfd *, const Elf_External_Ehdr *, Elf_Internal_Ehdr *)); | |
148 | static void elf_swap_ehdr_out | |
149 | PARAMS ((bfd *, const Elf_Internal_Ehdr *, Elf_External_Ehdr *)); | |
150 | static void elf_swap_shdr_in | |
151 | PARAMS ((bfd *, const Elf_External_Shdr *, Elf_Internal_Shdr *)); | |
152 | static void elf_swap_shdr_out | |
153 | PARAMS ((bfd *, const Elf_Internal_Shdr *, Elf_External_Shdr *)); | |
154 | ||
ede4eed4 | 155 | #define elf_stringtab_init _bfd_elf_stringtab_init |
244ffee7 | 156 | |
ede4eed4 KR |
157 | extern struct bfd_strtab_hash *_bfd_elf_stringtab_init PARAMS ((void)); |
158 | #define section_from_elf_index bfd_section_from_elf_index | |
159 | extern boolean bfd_section_from_phdr PARAMS ((bfd *, Elf_Internal_Phdr *, | |
160 | int)); | |
161 | ||
ea617174 ILT |
162 | static boolean elf_slurp_reloc_table PARAMS ((bfd *, asection *, asymbol **)); |
163 | ||
ede4eed4 | 164 | int _bfd_elf_symbol_from_bfd_symbol PARAMS ((bfd *, |
1c6042ee | 165 | struct symbol_cache_entry **)); |
244ffee7 | 166 | |
c9e5279f | 167 | static boolean validate_reloc PARAMS ((bfd *, arelent *)); |
0ef449df | 168 | static void write_relocs PARAMS ((bfd *, asection *, PTR)); |
ede4eed4 KR |
169 | |
170 | boolean bfd_section_from_shdr PARAMS ((bfd *, unsigned int shindex)); | |
2e03ce18 | 171 | |
6a3eb9b6 | 172 | #ifdef DEBUG |
eb4267a3 | 173 | static void elf_debug_section PARAMS ((int, Elf_Internal_Shdr *)); |
6a3eb9b6 | 174 | static void elf_debug_file PARAMS ((Elf_Internal_Ehdr *)); |
0ef449df | 175 | static char *elf_symbol_flags PARAMS ((flagword)); |
6a3eb9b6 | 176 | #endif |
32090b8e KR |
177 | \f |
178 | /* Structure swapping routines */ | |
179 | ||
6a3eb9b6 KR |
180 | /* Should perhaps use put_offset, put_word, etc. For now, the two versions |
181 | can be handled by explicitly specifying 32 bits or "the long type". */ | |
238ac6ec KR |
182 | #if ARCH_SIZE == 64 |
183 | #define put_word bfd_h_put_64 | |
184 | #define get_word bfd_h_get_64 | |
185 | #endif | |
186 | #if ARCH_SIZE == 32 | |
187 | #define put_word bfd_h_put_32 | |
188 | #define get_word bfd_h_get_32 | |
189 | #endif | |
190 | ||
244ffee7 JK |
191 | /* Translate an ELF symbol in external format into an ELF symbol in internal |
192 | format. */ | |
193 | ||
71edd06d | 194 | void |
1c6042ee ILT |
195 | elf_swap_symbol_in (abfd, src, dst) |
196 | bfd *abfd; | |
d1bf45aa | 197 | const Elf_External_Sym *src; |
1c6042ee | 198 | Elf_Internal_Sym *dst; |
244ffee7 JK |
199 | { |
200 | dst->st_name = bfd_h_get_32 (abfd, (bfd_byte *) src->st_name); | |
238ac6ec KR |
201 | dst->st_value = get_word (abfd, (bfd_byte *) src->st_value); |
202 | dst->st_size = get_word (abfd, (bfd_byte *) src->st_size); | |
244ffee7 JK |
203 | dst->st_info = bfd_h_get_8 (abfd, (bfd_byte *) src->st_info); |
204 | dst->st_other = bfd_h_get_8 (abfd, (bfd_byte *) src->st_other); | |
205 | dst->st_shndx = bfd_h_get_16 (abfd, (bfd_byte *) src->st_shndx); | |
206 | } | |
207 | ||
208 | /* Translate an ELF symbol in internal format into an ELF symbol in external | |
209 | format. */ | |
210 | ||
71edd06d | 211 | void |
ede4eed4 | 212 | elf_swap_symbol_out (abfd, src, cdst) |
1c6042ee | 213 | bfd *abfd; |
d1bf45aa | 214 | const Elf_Internal_Sym *src; |
b818a325 | 215 | PTR cdst; |
244ffee7 | 216 | { |
ede4eed4 | 217 | Elf_External_Sym *dst = (Elf_External_Sym *) cdst; |
244ffee7 | 218 | bfd_h_put_32 (abfd, src->st_name, dst->st_name); |
238ac6ec KR |
219 | put_word (abfd, src->st_value, dst->st_value); |
220 | put_word (abfd, src->st_size, dst->st_size); | |
244ffee7 JK |
221 | bfd_h_put_8 (abfd, src->st_info, dst->st_info); |
222 | bfd_h_put_8 (abfd, src->st_other, dst->st_other); | |
223 | bfd_h_put_16 (abfd, src->st_shndx, dst->st_shndx); | |
224 | } | |
225 | ||
226 | ||
227 | /* Translate an ELF file header in external format into an ELF file header in | |
228 | internal format. */ | |
229 | ||
230 | static void | |
1c6042ee ILT |
231 | elf_swap_ehdr_in (abfd, src, dst) |
232 | bfd *abfd; | |
d1bf45aa | 233 | const Elf_External_Ehdr *src; |
1c6042ee | 234 | Elf_Internal_Ehdr *dst; |
244ffee7 JK |
235 | { |
236 | memcpy (dst->e_ident, src->e_ident, EI_NIDENT); | |
237 | dst->e_type = bfd_h_get_16 (abfd, (bfd_byte *) src->e_type); | |
238 | dst->e_machine = bfd_h_get_16 (abfd, (bfd_byte *) src->e_machine); | |
239 | dst->e_version = bfd_h_get_32 (abfd, (bfd_byte *) src->e_version); | |
238ac6ec KR |
240 | dst->e_entry = get_word (abfd, (bfd_byte *) src->e_entry); |
241 | dst->e_phoff = get_word (abfd, (bfd_byte *) src->e_phoff); | |
242 | dst->e_shoff = get_word (abfd, (bfd_byte *) src->e_shoff); | |
244ffee7 JK |
243 | dst->e_flags = bfd_h_get_32 (abfd, (bfd_byte *) src->e_flags); |
244 | dst->e_ehsize = bfd_h_get_16 (abfd, (bfd_byte *) src->e_ehsize); | |
245 | dst->e_phentsize = bfd_h_get_16 (abfd, (bfd_byte *) src->e_phentsize); | |
246 | dst->e_phnum = bfd_h_get_16 (abfd, (bfd_byte *) src->e_phnum); | |
247 | dst->e_shentsize = bfd_h_get_16 (abfd, (bfd_byte *) src->e_shentsize); | |
248 | dst->e_shnum = bfd_h_get_16 (abfd, (bfd_byte *) src->e_shnum); | |
249 | dst->e_shstrndx = bfd_h_get_16 (abfd, (bfd_byte *) src->e_shstrndx); | |
250 | } | |
251 | ||
252 | /* Translate an ELF file header in internal format into an ELF file header in | |
253 | external format. */ | |
254 | ||
255 | static void | |
1c6042ee ILT |
256 | elf_swap_ehdr_out (abfd, src, dst) |
257 | bfd *abfd; | |
d1bf45aa | 258 | const Elf_Internal_Ehdr *src; |
1c6042ee | 259 | Elf_External_Ehdr *dst; |
244ffee7 JK |
260 | { |
261 | memcpy (dst->e_ident, src->e_ident, EI_NIDENT); | |
262 | /* note that all elements of dst are *arrays of unsigned char* already... */ | |
263 | bfd_h_put_16 (abfd, src->e_type, dst->e_type); | |
264 | bfd_h_put_16 (abfd, src->e_machine, dst->e_machine); | |
265 | bfd_h_put_32 (abfd, src->e_version, dst->e_version); | |
238ac6ec KR |
266 | put_word (abfd, src->e_entry, dst->e_entry); |
267 | put_word (abfd, src->e_phoff, dst->e_phoff); | |
268 | put_word (abfd, src->e_shoff, dst->e_shoff); | |
244ffee7 JK |
269 | bfd_h_put_32 (abfd, src->e_flags, dst->e_flags); |
270 | bfd_h_put_16 (abfd, src->e_ehsize, dst->e_ehsize); | |
271 | bfd_h_put_16 (abfd, src->e_phentsize, dst->e_phentsize); | |
272 | bfd_h_put_16 (abfd, src->e_phnum, dst->e_phnum); | |
273 | bfd_h_put_16 (abfd, src->e_shentsize, dst->e_shentsize); | |
274 | bfd_h_put_16 (abfd, src->e_shnum, dst->e_shnum); | |
275 | bfd_h_put_16 (abfd, src->e_shstrndx, dst->e_shstrndx); | |
276 | } | |
277 | ||
278 | ||
279 | /* Translate an ELF section header table entry in external format into an | |
280 | ELF section header table entry in internal format. */ | |
281 | ||
282 | static void | |
1c6042ee ILT |
283 | elf_swap_shdr_in (abfd, src, dst) |
284 | bfd *abfd; | |
d1bf45aa | 285 | const Elf_External_Shdr *src; |
1c6042ee | 286 | Elf_Internal_Shdr *dst; |
244ffee7 JK |
287 | { |
288 | dst->sh_name = bfd_h_get_32 (abfd, (bfd_byte *) src->sh_name); | |
289 | dst->sh_type = bfd_h_get_32 (abfd, (bfd_byte *) src->sh_type); | |
238ac6ec KR |
290 | dst->sh_flags = get_word (abfd, (bfd_byte *) src->sh_flags); |
291 | dst->sh_addr = get_word (abfd, (bfd_byte *) src->sh_addr); | |
292 | dst->sh_offset = get_word (abfd, (bfd_byte *) src->sh_offset); | |
293 | dst->sh_size = get_word (abfd, (bfd_byte *) src->sh_size); | |
244ffee7 JK |
294 | dst->sh_link = bfd_h_get_32 (abfd, (bfd_byte *) src->sh_link); |
295 | dst->sh_info = bfd_h_get_32 (abfd, (bfd_byte *) src->sh_info); | |
238ac6ec KR |
296 | dst->sh_addralign = get_word (abfd, (bfd_byte *) src->sh_addralign); |
297 | dst->sh_entsize = get_word (abfd, (bfd_byte *) src->sh_entsize); | |
24f13b03 ILT |
298 | dst->bfd_section = NULL; |
299 | dst->contents = NULL; | |
244ffee7 JK |
300 | } |
301 | ||
302 | /* Translate an ELF section header table entry in internal format into an | |
303 | ELF section header table entry in external format. */ | |
304 | ||
305 | static void | |
1c6042ee ILT |
306 | elf_swap_shdr_out (abfd, src, dst) |
307 | bfd *abfd; | |
d1bf45aa | 308 | const Elf_Internal_Shdr *src; |
1c6042ee | 309 | Elf_External_Shdr *dst; |
244ffee7 JK |
310 | { |
311 | /* note that all elements of dst are *arrays of unsigned char* already... */ | |
312 | bfd_h_put_32 (abfd, src->sh_name, dst->sh_name); | |
313 | bfd_h_put_32 (abfd, src->sh_type, dst->sh_type); | |
238ac6ec KR |
314 | put_word (abfd, src->sh_flags, dst->sh_flags); |
315 | put_word (abfd, src->sh_addr, dst->sh_addr); | |
316 | put_word (abfd, src->sh_offset, dst->sh_offset); | |
317 | put_word (abfd, src->sh_size, dst->sh_size); | |
244ffee7 JK |
318 | bfd_h_put_32 (abfd, src->sh_link, dst->sh_link); |
319 | bfd_h_put_32 (abfd, src->sh_info, dst->sh_info); | |
238ac6ec KR |
320 | put_word (abfd, src->sh_addralign, dst->sh_addralign); |
321 | put_word (abfd, src->sh_entsize, dst->sh_entsize); | |
244ffee7 JK |
322 | } |
323 | ||
324 | ||
325 | /* Translate an ELF program header table entry in external format into an | |
326 | ELF program header table entry in internal format. */ | |
327 | ||
2b71e1e4 | 328 | void |
1c6042ee ILT |
329 | elf_swap_phdr_in (abfd, src, dst) |
330 | bfd *abfd; | |
d1bf45aa | 331 | const Elf_External_Phdr *src; |
1c6042ee | 332 | Elf_Internal_Phdr *dst; |
244ffee7 JK |
333 | { |
334 | dst->p_type = bfd_h_get_32 (abfd, (bfd_byte *) src->p_type); | |
244ffee7 | 335 | dst->p_flags = bfd_h_get_32 (abfd, (bfd_byte *) src->p_flags); |
238ac6ec KR |
336 | dst->p_offset = get_word (abfd, (bfd_byte *) src->p_offset); |
337 | dst->p_vaddr = get_word (abfd, (bfd_byte *) src->p_vaddr); | |
338 | dst->p_paddr = get_word (abfd, (bfd_byte *) src->p_paddr); | |
339 | dst->p_filesz = get_word (abfd, (bfd_byte *) src->p_filesz); | |
340 | dst->p_memsz = get_word (abfd, (bfd_byte *) src->p_memsz); | |
341 | dst->p_align = get_word (abfd, (bfd_byte *) src->p_align); | |
244ffee7 JK |
342 | } |
343 | ||
2b71e1e4 | 344 | void |
1c6042ee ILT |
345 | elf_swap_phdr_out (abfd, src, dst) |
346 | bfd *abfd; | |
d1bf45aa | 347 | const Elf_Internal_Phdr *src; |
1c6042ee | 348 | Elf_External_Phdr *dst; |
244ffee7 JK |
349 | { |
350 | /* note that all elements of dst are *arrays of unsigned char* already... */ | |
351 | bfd_h_put_32 (abfd, src->p_type, dst->p_type); | |
94dbb655 KR |
352 | put_word (abfd, src->p_offset, dst->p_offset); |
353 | put_word (abfd, src->p_vaddr, dst->p_vaddr); | |
354 | put_word (abfd, src->p_paddr, dst->p_paddr); | |
355 | put_word (abfd, src->p_filesz, dst->p_filesz); | |
356 | put_word (abfd, src->p_memsz, dst->p_memsz); | |
244ffee7 | 357 | bfd_h_put_32 (abfd, src->p_flags, dst->p_flags); |
94dbb655 | 358 | put_word (abfd, src->p_align, dst->p_align); |
244ffee7 JK |
359 | } |
360 | ||
361 | /* Translate an ELF reloc from external format to internal format. */ | |
013dec1a | 362 | INLINE void |
1c6042ee ILT |
363 | elf_swap_reloc_in (abfd, src, dst) |
364 | bfd *abfd; | |
d1bf45aa | 365 | const Elf_External_Rel *src; |
1c6042ee | 366 | Elf_Internal_Rel *dst; |
244ffee7 | 367 | { |
94dbb655 KR |
368 | dst->r_offset = get_word (abfd, (bfd_byte *) src->r_offset); |
369 | dst->r_info = get_word (abfd, (bfd_byte *) src->r_info); | |
244ffee7 JK |
370 | } |
371 | ||
013dec1a | 372 | INLINE void |
1c6042ee ILT |
373 | elf_swap_reloca_in (abfd, src, dst) |
374 | bfd *abfd; | |
d1bf45aa | 375 | const Elf_External_Rela *src; |
1c6042ee | 376 | Elf_Internal_Rela *dst; |
244ffee7 | 377 | { |
94dbb655 KR |
378 | dst->r_offset = get_word (abfd, (bfd_byte *) src->r_offset); |
379 | dst->r_info = get_word (abfd, (bfd_byte *) src->r_info); | |
380 | dst->r_addend = get_word (abfd, (bfd_byte *) src->r_addend); | |
244ffee7 JK |
381 | } |
382 | ||
383 | /* Translate an ELF reloc from internal format to external format. */ | |
013dec1a | 384 | INLINE void |
1c6042ee ILT |
385 | elf_swap_reloc_out (abfd, src, dst) |
386 | bfd *abfd; | |
d1bf45aa | 387 | const Elf_Internal_Rel *src; |
1c6042ee | 388 | Elf_External_Rel *dst; |
244ffee7 | 389 | { |
94dbb655 KR |
390 | put_word (abfd, src->r_offset, dst->r_offset); |
391 | put_word (abfd, src->r_info, dst->r_info); | |
244ffee7 JK |
392 | } |
393 | ||
013dec1a | 394 | INLINE void |
1c6042ee ILT |
395 | elf_swap_reloca_out (abfd, src, dst) |
396 | bfd *abfd; | |
d1bf45aa | 397 | const Elf_Internal_Rela *src; |
1c6042ee | 398 | Elf_External_Rela *dst; |
244ffee7 | 399 | { |
94dbb655 KR |
400 | put_word (abfd, src->r_offset, dst->r_offset); |
401 | put_word (abfd, src->r_info, dst->r_info); | |
402 | put_word (abfd, src->r_addend, dst->r_addend); | |
244ffee7 | 403 | } |
32090b8e | 404 | |
013dec1a | 405 | INLINE void |
02fcd126 | 406 | elf_swap_dyn_in (abfd, p, dst) |
013dec1a | 407 | bfd *abfd; |
02fcd126 | 408 | const PTR p; |
013dec1a ILT |
409 | Elf_Internal_Dyn *dst; |
410 | { | |
02fcd126 ILT |
411 | const Elf_External_Dyn *src = (const Elf_External_Dyn *) p; |
412 | ||
013dec1a ILT |
413 | dst->d_tag = get_word (abfd, src->d_tag); |
414 | dst->d_un.d_val = get_word (abfd, src->d_un.d_val); | |
415 | } | |
1c6042ee | 416 | |
013dec1a ILT |
417 | INLINE void |
418 | elf_swap_dyn_out (abfd, src, dst) | |
419 | bfd *abfd; | |
420 | const Elf_Internal_Dyn *src; | |
421 | Elf_External_Dyn *dst; | |
422 | { | |
423 | put_word (abfd, src->d_tag, dst->d_tag); | |
424 | put_word (abfd, src->d_un.d_val, dst->d_un.d_val); | |
425 | } | |
426 | \f | |
32090b8e KR |
427 | /* ELF .o/exec file reading */ |
428 | ||
244ffee7 | 429 | |
32090b8e | 430 | /* Begin processing a given object. |
244ffee7 | 431 | |
32090b8e KR |
432 | First we validate the file by reading in the ELF header and checking |
433 | the magic number. */ | |
434 | ||
435 | static INLINE boolean | |
1c6042ee ILT |
436 | elf_file_p (x_ehdrp) |
437 | Elf_External_Ehdr *x_ehdrp; | |
244ffee7 | 438 | { |
32090b8e KR |
439 | return ((x_ehdrp->e_ident[EI_MAG0] == ELFMAG0) |
440 | && (x_ehdrp->e_ident[EI_MAG1] == ELFMAG1) | |
441 | && (x_ehdrp->e_ident[EI_MAG2] == ELFMAG2) | |
442 | && (x_ehdrp->e_ident[EI_MAG3] == ELFMAG3)); | |
443 | } | |
244ffee7 | 444 | |
d24928c0 KR |
445 | /* Check to see if the file associated with ABFD matches the target vector |
446 | that ABFD points to. | |
447 | ||
448 | Note that we may be called several times with the same ABFD, but different | |
449 | target vectors, most of which will not match. We have to avoid leaving | |
450 | any side effects in ABFD, or any data it points to (like tdata), if the | |
6ec3bb6a | 451 | file does not match the target vector. */ |
d24928c0 | 452 | |
2f3508ad | 453 | const bfd_target * |
1c6042ee ILT |
454 | elf_object_p (abfd) |
455 | bfd *abfd; | |
244ffee7 | 456 | { |
32090b8e KR |
457 | Elf_External_Ehdr x_ehdr; /* Elf file header, external form */ |
458 | Elf_Internal_Ehdr *i_ehdrp; /* Elf file header, internal form */ | |
459 | Elf_External_Shdr x_shdr; /* Section header table entry, external form */ | |
6ec3bb6a | 460 | Elf_Internal_Shdr *i_shdrp = NULL; /* Section header table, internal form */ |
68241b2b | 461 | unsigned int shindex; |
32090b8e | 462 | char *shstrtab; /* Internal copy of section header stringtab */ |
062189c6 | 463 | struct elf_backend_data *ebd; |
d24928c0 | 464 | struct elf_obj_tdata *preserved_tdata = elf_tdata (abfd); |
6ec3bb6a | 465 | struct elf_obj_tdata *new_tdata = NULL; |
244ffee7 | 466 | |
32090b8e KR |
467 | /* Read in the ELF header in external format. */ |
468 | ||
469 | if (bfd_read ((PTR) & x_ehdr, sizeof (x_ehdr), 1, abfd) != sizeof (x_ehdr)) | |
25057836 JL |
470 | { |
471 | if (bfd_get_error () != bfd_error_system_call) | |
472 | goto got_wrong_format_error; | |
473 | else | |
474 | goto got_no_match; | |
475 | } | |
244ffee7 | 476 | |
32090b8e KR |
477 | /* Now check to see if we have a valid ELF file, and one that BFD can |
478 | make use of. The magic number must match, the address size ('class') | |
479 | and byte-swapping must match our XVEC entry, and it must have a | |
480 | section header table (FIXME: See comments re sections at top of this | |
481 | file). */ | |
244ffee7 | 482 | |
d24928c0 KR |
483 | if ((elf_file_p (&x_ehdr) == false) || |
484 | (x_ehdr.e_ident[EI_VERSION] != EV_CURRENT) || | |
485 | (x_ehdr.e_ident[EI_CLASS] != ELFCLASS)) | |
486 | goto got_wrong_format_error; | |
244ffee7 | 487 | |
d24928c0 | 488 | /* Check that file's byte order matches xvec's */ |
32090b8e | 489 | switch (x_ehdr.e_ident[EI_DATA]) |
244ffee7 | 490 | { |
32090b8e | 491 | case ELFDATA2MSB: /* Big-endian */ |
02fcd126 | 492 | if (! bfd_header_big_endian (abfd)) |
d24928c0 | 493 | goto got_wrong_format_error; |
32090b8e KR |
494 | break; |
495 | case ELFDATA2LSB: /* Little-endian */ | |
02fcd126 | 496 | if (! bfd_header_little_endian (abfd)) |
d24928c0 | 497 | goto got_wrong_format_error; |
32090b8e KR |
498 | break; |
499 | case ELFDATANONE: /* No data encoding specified */ | |
500 | default: /* Unknown data encoding specified */ | |
d24928c0 | 501 | goto got_wrong_format_error; |
244ffee7 | 502 | } |
244ffee7 | 503 | |
32090b8e | 504 | /* Allocate an instance of the elf_obj_tdata structure and hook it up to |
6ec3bb6a | 505 | the tdata pointer in the bfd. */ |
244ffee7 | 506 | |
6ec3bb6a ILT |
507 | new_tdata = ((struct elf_obj_tdata *) |
508 | bfd_zalloc (abfd, sizeof (struct elf_obj_tdata))); | |
509 | if (new_tdata == NULL) | |
a9713b91 | 510 | goto got_no_match; |
6ec3bb6a | 511 | elf_tdata (abfd) = new_tdata; |
244ffee7 | 512 | |
32090b8e KR |
513 | /* Now that we know the byte order, swap in the rest of the header */ |
514 | i_ehdrp = elf_elfheader (abfd); | |
515 | elf_swap_ehdr_in (abfd, &x_ehdr, i_ehdrp); | |
516 | #if DEBUG & 1 | |
517 | elf_debug_file (i_ehdrp); | |
244ffee7 JK |
518 | #endif |
519 | ||
32090b8e KR |
520 | /* If there is no section header table, we're hosed. */ |
521 | if (i_ehdrp->e_shoff == 0) | |
d24928c0 | 522 | goto got_wrong_format_error; |
244ffee7 | 523 | |
062189c6 ILT |
524 | /* As a simple sanity check, verify that the what BFD thinks is the |
525 | size of each section header table entry actually matches the size | |
526 | recorded in the file. */ | |
527 | if (i_ehdrp->e_shentsize != sizeof (x_shdr)) | |
528 | goto got_wrong_format_error; | |
529 | ||
530 | ebd = get_elf_backend_data (abfd); | |
531 | ||
532 | /* Check that the ELF e_machine field matches what this particular | |
533 | BFD format expects. */ | |
df168c35 DE |
534 | if (ebd->elf_machine_code != i_ehdrp->e_machine |
535 | && (ebd->elf_machine_alt1 == 0 || i_ehdrp->e_machine != ebd->elf_machine_alt1) | |
536 | && (ebd->elf_machine_alt2 == 0 || i_ehdrp->e_machine != ebd->elf_machine_alt2)) | |
062189c6 | 537 | { |
2f3508ad | 538 | const bfd_target * const *target_ptr; |
062189c6 ILT |
539 | |
540 | if (ebd->elf_machine_code != EM_NONE) | |
541 | goto got_wrong_format_error; | |
542 | ||
543 | /* This is the generic ELF target. Let it match any ELF target | |
544 | for which we do not have a specific backend. */ | |
f4bd7a8f | 545 | for (target_ptr = bfd_target_vector; *target_ptr != NULL; target_ptr++) |
062189c6 ILT |
546 | { |
547 | struct elf_backend_data *back; | |
548 | ||
549 | if ((*target_ptr)->flavour != bfd_target_elf_flavour) | |
550 | continue; | |
551 | back = (struct elf_backend_data *) (*target_ptr)->backend_data; | |
d1bf45aa ILT |
552 | if (back->elf_machine_code == i_ehdrp->e_machine |
553 | || (back->elf_machine_alt1 != 0 | |
554 | && back->elf_machine_alt1 == i_ehdrp->e_machine) | |
555 | || (back->elf_machine_alt2 != 0 | |
556 | && back->elf_machine_alt2 == i_ehdrp->e_machine)) | |
062189c6 ILT |
557 | { |
558 | /* target_ptr is an ELF backend which matches this | |
559 | object file, so reject the generic ELF target. */ | |
560 | goto got_wrong_format_error; | |
561 | } | |
562 | } | |
563 | } | |
564 | ||
7b8106b4 | 565 | if (i_ehdrp->e_type == ET_EXEC) |
32090b8e | 566 | abfd->flags |= EXEC_P; |
7b8106b4 ILT |
567 | else if (i_ehdrp->e_type == ET_DYN) |
568 | abfd->flags |= DYNAMIC; | |
244ffee7 | 569 | |
fa15568a ILT |
570 | if (i_ehdrp->e_phnum > 0) |
571 | abfd->flags |= D_PAGED; | |
572 | ||
6ec3bb6a ILT |
573 | if (! bfd_default_set_arch_mach (abfd, ebd->arch, 0)) |
574 | goto got_no_match; | |
32090b8e | 575 | |
062189c6 ILT |
576 | /* Remember the entry point specified in the ELF file header. */ |
577 | bfd_get_start_address (abfd) = i_ehdrp->e_entry; | |
32090b8e KR |
578 | |
579 | /* Allocate space for a copy of the section header table in | |
580 | internal form, seek to the section header table in the file, | |
062189c6 | 581 | read it in, and convert it to internal form. */ |
6ec3bb6a ILT |
582 | i_shdrp = ((Elf_Internal_Shdr *) |
583 | bfd_alloc (abfd, sizeof (*i_shdrp) * i_ehdrp->e_shnum)); | |
584 | elf_elfsections (abfd) = ((Elf_Internal_Shdr **) | |
585 | bfd_alloc (abfd, | |
586 | sizeof (i_shdrp) * i_ehdrp->e_shnum)); | |
1c6042ee | 587 | if (!i_shdrp || !elf_elfsections (abfd)) |
a9713b91 | 588 | goto got_no_match; |
6ec3bb6a | 589 | if (bfd_seek (abfd, i_ehdrp->e_shoff, SEEK_SET) != 0) |
25057836 | 590 | goto got_no_match; |
32090b8e | 591 | for (shindex = 0; shindex < i_ehdrp->e_shnum; shindex++) |
244ffee7 | 592 | { |
d24928c0 | 593 | if (bfd_read ((PTR) & x_shdr, sizeof x_shdr, 1, abfd) != sizeof (x_shdr)) |
25057836 | 594 | goto got_no_match; |
32090b8e | 595 | elf_swap_shdr_in (abfd, &x_shdr, i_shdrp + shindex); |
1c6042ee | 596 | elf_elfsections (abfd)[shindex] = i_shdrp + shindex; |
244ffee7 | 597 | } |
32090b8e | 598 | if (i_ehdrp->e_shstrndx) |
244ffee7 | 599 | { |
2e03ce18 ILT |
600 | if (! bfd_section_from_shdr (abfd, i_ehdrp->e_shstrndx)) |
601 | goto got_no_match; | |
244ffee7 JK |
602 | } |
603 | ||
a9713b91 ILT |
604 | /* Read in the program headers. */ |
605 | if (i_ehdrp->e_phnum == 0) | |
606 | elf_tdata (abfd)->phdr = NULL; | |
607 | else | |
608 | { | |
609 | Elf_Internal_Phdr *i_phdr; | |
610 | unsigned int i; | |
611 | ||
612 | elf_tdata (abfd)->phdr = ((Elf_Internal_Phdr *) | |
613 | bfd_alloc (abfd, | |
614 | (i_ehdrp->e_phnum | |
615 | * sizeof (Elf_Internal_Phdr)))); | |
616 | if (elf_tdata (abfd)->phdr == NULL) | |
617 | goto got_no_match; | |
618 | if (bfd_seek (abfd, i_ehdrp->e_phoff, SEEK_SET) != 0) | |
619 | goto got_no_match; | |
620 | i_phdr = elf_tdata (abfd)->phdr; | |
621 | for (i = 0; i < i_ehdrp->e_phnum; i++, i_phdr++) | |
622 | { | |
623 | Elf_External_Phdr x_phdr; | |
624 | ||
625 | if (bfd_read ((PTR) &x_phdr, sizeof x_phdr, 1, abfd) | |
626 | != sizeof x_phdr) | |
627 | goto got_no_match; | |
628 | elf_swap_phdr_in (abfd, &x_phdr, i_phdr); | |
629 | } | |
630 | } | |
631 | ||
32090b8e KR |
632 | /* Read in the string table containing the names of the sections. We |
633 | will need the base pointer to this table later. */ | |
634 | /* We read this inline now, so that we don't have to go through | |
635 | bfd_section_from_shdr with it (since this particular strtab is | |
636 | used to find all of the ELF section names.) */ | |
244ffee7 | 637 | |
ede4eed4 | 638 | shstrtab = bfd_elf_get_str_section (abfd, i_ehdrp->e_shstrndx); |
32090b8e | 639 | if (!shstrtab) |
6ec3bb6a | 640 | goto got_no_match; |
244ffee7 | 641 | |
32090b8e KR |
642 | /* Once all of the section headers have been read and converted, we |
643 | can start processing them. Note that the first section header is | |
6ec3bb6a | 644 | a dummy placeholder entry, so we ignore it. */ |
244ffee7 | 645 | |
32090b8e KR |
646 | for (shindex = 1; shindex < i_ehdrp->e_shnum; shindex++) |
647 | { | |
2e03ce18 ILT |
648 | if (! bfd_section_from_shdr (abfd, shindex)) |
649 | goto got_no_match; | |
32090b8e | 650 | } |
244ffee7 | 651 | |
5315c428 ILT |
652 | /* Let the backend double check the format and override global |
653 | information. */ | |
654 | if (ebd->elf_backend_object_p) | |
655 | { | |
656 | if ((*ebd->elf_backend_object_p) (abfd) == false) | |
657 | goto got_wrong_format_error; | |
658 | } | |
659 | ||
d24928c0 KR |
660 | return (abfd->xvec); |
661 | ||
1c6042ee | 662 | got_wrong_format_error: |
d1ad85a6 | 663 | bfd_set_error (bfd_error_wrong_format); |
d24928c0 | 664 | goto got_no_match; |
1c6042ee | 665 | got_no_match: |
6ec3bb6a ILT |
666 | if (new_tdata != NULL |
667 | && new_tdata->elf_sect_ptr != NULL) | |
668 | bfd_release (abfd, new_tdata->elf_sect_ptr); | |
669 | if (i_shdrp != NULL) | |
670 | bfd_release (abfd, i_shdrp); | |
671 | if (new_tdata != NULL) | |
672 | bfd_release (abfd, new_tdata); | |
d24928c0 KR |
673 | elf_tdata (abfd) = preserved_tdata; |
674 | return (NULL); | |
32090b8e | 675 | } |
32090b8e KR |
676 | \f |
677 | /* ELF .o/exec file writing */ | |
678 | ||
c9e5279f ILT |
679 | /* Try to convert a non-ELF reloc into an ELF one. */ |
680 | ||
681 | static boolean | |
682 | validate_reloc (abfd, areloc) | |
683 | bfd *abfd; | |
684 | arelent *areloc; | |
685 | { | |
686 | /* Check whether we really have an ELF howto. */ | |
687 | ||
688 | if ((*areloc->sym_ptr_ptr)->the_bfd->xvec != abfd->xvec) | |
689 | { | |
690 | bfd_reloc_code_real_type code; | |
691 | reloc_howto_type *howto; | |
692 | ||
693 | /* Alien reloc: Try to determine its type to replace it with an | |
694 | equivalent ELF reloc. */ | |
695 | ||
696 | if (areloc->howto->pc_relative) | |
697 | { | |
698 | switch (areloc->howto->bitsize) | |
699 | { | |
700 | case 8: | |
701 | code = BFD_RELOC_8_PCREL; | |
702 | break; | |
703 | case 12: | |
704 | code = BFD_RELOC_12_PCREL; | |
705 | break; | |
706 | case 16: | |
707 | code = BFD_RELOC_16_PCREL; | |
708 | break; | |
709 | case 24: | |
710 | code = BFD_RELOC_24_PCREL; | |
711 | break; | |
712 | case 32: | |
713 | code = BFD_RELOC_32_PCREL; | |
714 | break; | |
715 | case 64: | |
716 | code = BFD_RELOC_64_PCREL; | |
717 | break; | |
718 | default: | |
719 | goto fail; | |
720 | } | |
721 | ||
722 | howto = bfd_reloc_type_lookup (abfd, code); | |
723 | ||
724 | if (areloc->howto->pcrel_offset != howto->pcrel_offset) | |
725 | { | |
726 | if (howto->pcrel_offset) | |
727 | areloc->addend += areloc->address; | |
728 | else | |
729 | areloc->addend -= areloc->address; /* addend is unsigned!! */ | |
730 | } | |
731 | } | |
732 | else | |
733 | { | |
734 | switch (areloc->howto->bitsize) | |
735 | { | |
736 | case 8: | |
737 | code = BFD_RELOC_8; | |
738 | break; | |
739 | case 14: | |
740 | code = BFD_RELOC_14; | |
741 | break; | |
742 | case 16: | |
743 | code = BFD_RELOC_16; | |
744 | break; | |
745 | case 26: | |
746 | code = BFD_RELOC_26; | |
747 | break; | |
748 | case 32: | |
749 | code = BFD_RELOC_32; | |
750 | break; | |
751 | case 64: | |
752 | code = BFD_RELOC_64; | |
753 | break; | |
754 | default: | |
755 | goto fail; | |
756 | } | |
757 | ||
758 | howto = bfd_reloc_type_lookup (abfd, code); | |
759 | } | |
760 | ||
761 | if (howto) | |
762 | areloc->howto = howto; | |
763 | else | |
764 | goto fail; | |
765 | } | |
766 | ||
767 | return true; | |
768 | ||
769 | fail: | |
770 | (*_bfd_error_handler) | |
771 | ("%s: unsupported relocation type %s", | |
772 | bfd_get_filename (abfd), areloc->howto->name); | |
773 | bfd_set_error (bfd_error_bad_value); | |
774 | return false; | |
775 | } | |
776 | ||
777 | /* Write out the relocs. */ | |
778 | ||
0ef449df KR |
779 | static void |
780 | write_relocs (abfd, sec, data) | |
32090b8e KR |
781 | bfd *abfd; |
782 | asection *sec; | |
0ef449df | 783 | PTR data; |
32090b8e | 784 | { |
0ef449df | 785 | boolean *failedp = (boolean *) data; |
32090b8e KR |
786 | Elf_Internal_Shdr *rela_hdr; |
787 | Elf_External_Rela *outbound_relocas; | |
788 | Elf_External_Rel *outbound_relocs; | |
6ab826bd | 789 | unsigned int idx; |
32090b8e | 790 | int use_rela_p = get_elf_backend_data (abfd)->use_rela_p; |
300adb31 | 791 | asymbol *last_sym = 0; |
d1bf45aa | 792 | int last_sym_idx = 0; |
244ffee7 | 793 | |
0ef449df KR |
794 | /* If we have already failed, don't do anything. */ |
795 | if (*failedp) | |
796 | return; | |
797 | ||
32090b8e KR |
798 | if ((sec->flags & SEC_RELOC) == 0) |
799 | return; | |
6ec3bb6a ILT |
800 | |
801 | /* The linker backend writes the relocs out itself, and sets the | |
802 | reloc_count field to zero to inhibit writing them here. Also, | |
803 | sometimes the SEC_RELOC flag gets set even when there aren't any | |
804 | relocs. */ | |
32090b8e KR |
805 | if (sec->reloc_count == 0) |
806 | return; | |
244ffee7 | 807 | |
32090b8e | 808 | rela_hdr = &elf_section_data (sec)->rel_hdr; |
244ffee7 | 809 | |
32090b8e | 810 | rela_hdr->sh_size = rela_hdr->sh_entsize * sec->reloc_count; |
0ef449df KR |
811 | rela_hdr->contents = (PTR) bfd_alloc (abfd, rela_hdr->sh_size); |
812 | if (rela_hdr->contents == NULL) | |
9783e04a | 813 | { |
0ef449df KR |
814 | *failedp = true; |
815 | return; | |
9783e04a | 816 | } |
244ffee7 | 817 | |
32090b8e | 818 | /* orelocation has the data, reloc_count has the count... */ |
300adb31 KR |
819 | if (use_rela_p) |
820 | { | |
821 | outbound_relocas = (Elf_External_Rela *) rela_hdr->contents; | |
822 | ||
823 | for (idx = 0; idx < sec->reloc_count; idx++) | |
32090b8e | 824 | { |
300adb31 KR |
825 | Elf_Internal_Rela dst_rela; |
826 | Elf_External_Rela *src_rela; | |
827 | arelent *ptr; | |
828 | asymbol *sym; | |
829 | int n; | |
830 | ||
831 | ptr = sec->orelocation[idx]; | |
832 | src_rela = outbound_relocas + idx; | |
4c124191 ILT |
833 | |
834 | /* The address of an ELF reloc is section relative for an object | |
835 | file, and absolute for an executable file or shared library. | |
836 | The address of a BFD reloc is always section relative. */ | |
837 | if ((abfd->flags & (EXEC_P | DYNAMIC)) == 0) | |
300adb31 | 838 | dst_rela.r_offset = ptr->address; |
4c124191 ILT |
839 | else |
840 | dst_rela.r_offset = ptr->address + sec->vma; | |
6a3eb9b6 | 841 | |
300adb31 KR |
842 | sym = *ptr->sym_ptr_ptr; |
843 | if (sym == last_sym) | |
844 | n = last_sym_idx; | |
845 | else | |
32090b8e | 846 | { |
300adb31 | 847 | last_sym = sym; |
d1bf45aa ILT |
848 | n = _bfd_elf_symbol_from_bfd_symbol (abfd, &sym); |
849 | if (n < 0) | |
850 | { | |
851 | *failedp = true; | |
852 | return; | |
853 | } | |
854 | last_sym_idx = n; | |
32090b8e | 855 | } |
c9e5279f | 856 | |
d1bf45aa | 857 | if ((*ptr->sym_ptr_ptr)->the_bfd->xvec != abfd->xvec |
c9e5279f ILT |
858 | && ! validate_reloc (abfd, ptr)) |
859 | { | |
860 | *failedp = true; | |
861 | return; | |
862 | } | |
863 | ||
300adb31 KR |
864 | dst_rela.r_info = ELF_R_INFO (n, ptr->howto->type); |
865 | ||
866 | dst_rela.r_addend = ptr->addend; | |
867 | elf_swap_reloca_out (abfd, &dst_rela, src_rela); | |
244ffee7 | 868 | } |
300adb31 KR |
869 | } |
870 | else | |
871 | /* REL relocations */ | |
872 | { | |
873 | outbound_relocs = (Elf_External_Rel *) rela_hdr->contents; | |
874 | ||
875 | for (idx = 0; idx < sec->reloc_count; idx++) | |
32090b8e | 876 | { |
300adb31 KR |
877 | Elf_Internal_Rel dst_rel; |
878 | Elf_External_Rel *src_rel; | |
879 | arelent *ptr; | |
880 | int n; | |
881 | asymbol *sym; | |
882 | ||
883 | ptr = sec->orelocation[idx]; | |
884 | sym = *ptr->sym_ptr_ptr; | |
885 | src_rel = outbound_relocs + idx; | |
4c124191 ILT |
886 | |
887 | /* The address of an ELF reloc is section relative for an object | |
888 | file, and absolute for an executable file or shared library. | |
889 | The address of a BFD reloc is always section relative. */ | |
890 | if ((abfd->flags & (EXEC_P | DYNAMIC)) == 0) | |
300adb31 | 891 | dst_rel.r_offset = ptr->address; |
4c124191 ILT |
892 | else |
893 | dst_rel.r_offset = ptr->address + sec->vma; | |
244ffee7 | 894 | |
300adb31 KR |
895 | if (sym == last_sym) |
896 | n = last_sym_idx; | |
897 | else | |
32090b8e | 898 | { |
300adb31 | 899 | last_sym = sym; |
d1bf45aa ILT |
900 | n = _bfd_elf_symbol_from_bfd_symbol (abfd, &sym); |
901 | if (n < 0) | |
902 | { | |
903 | *failedp = true; | |
904 | return; | |
905 | } | |
906 | last_sym_idx = n; | |
32090b8e | 907 | } |
c9e5279f | 908 | |
d1bf45aa | 909 | if ((*ptr->sym_ptr_ptr)->the_bfd->xvec != abfd->xvec |
c9e5279f ILT |
910 | && ! validate_reloc (abfd, ptr)) |
911 | { | |
912 | *failedp = true; | |
913 | return; | |
914 | } | |
915 | ||
300adb31 KR |
916 | dst_rel.r_info = ELF_R_INFO (n, ptr->howto->type); |
917 | ||
918 | elf_swap_reloc_out (abfd, &dst_rel, src_rel); | |
32090b8e | 919 | } |
300adb31 | 920 | } |
32090b8e | 921 | } |
244ffee7 | 922 | |
d1bf45aa ILT |
923 | /* Write out the program headers. */ |
924 | ||
925 | int | |
926 | elf_write_out_phdrs (abfd, phdr, count) | |
ede4eed4 | 927 | bfd *abfd; |
d1bf45aa | 928 | const Elf_Internal_Phdr *phdr; |
ede4eed4 KR |
929 | int count; |
930 | { | |
931 | while (count--) | |
fa15568a | 932 | { |
ede4eed4 KR |
933 | Elf_External_Phdr extphdr; |
934 | elf_swap_phdr_out (abfd, phdr, &extphdr); | |
935 | if (bfd_write (&extphdr, sizeof (Elf_External_Phdr), 1, abfd) | |
936 | != sizeof (Elf_External_Phdr)) | |
937 | return -1; | |
938 | phdr++; | |
fa15568a | 939 | } |
ede4eed4 | 940 | return 0; |
fa15568a | 941 | } |
244ffee7 | 942 | |
d1bf45aa ILT |
943 | /* Write out the section headers and the ELF file header. */ |
944 | ||
945 | boolean | |
946 | elf_write_shdrs_and_ehdr (abfd) | |
fa15568a ILT |
947 | bfd *abfd; |
948 | { | |
ede4eed4 KR |
949 | Elf_External_Ehdr x_ehdr; /* Elf file header, external form */ |
950 | Elf_Internal_Ehdr *i_ehdrp; /* Elf file header, internal form */ | |
951 | Elf_External_Shdr *x_shdrp; /* Section header table, external form */ | |
952 | Elf_Internal_Shdr **i_shdrp; /* Section header table, internal form */ | |
953 | unsigned int count; | |
7c726b66 | 954 | |
ede4eed4 KR |
955 | i_ehdrp = elf_elfheader (abfd); |
956 | i_shdrp = elf_elfsections (abfd); | |
7c726b66 | 957 | |
ede4eed4 | 958 | /* swap the header before spitting it out... */ |
fa15568a | 959 | |
ede4eed4 KR |
960 | #if DEBUG & 1 |
961 | elf_debug_file (i_ehdrp); | |
962 | #endif | |
963 | elf_swap_ehdr_out (abfd, i_ehdrp, &x_ehdr); | |
964 | if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0 | |
965 | || (bfd_write ((PTR) & x_ehdr, sizeof (x_ehdr), 1, abfd) | |
966 | != sizeof (x_ehdr))) | |
967 | return false; | |
fa15568a | 968 | |
ede4eed4 KR |
969 | /* at this point we've concocted all the ELF sections... */ |
970 | x_shdrp = (Elf_External_Shdr *) | |
971 | bfd_alloc (abfd, sizeof (*x_shdrp) * (i_ehdrp->e_shnum)); | |
972 | if (!x_shdrp) | |
a9713b91 | 973 | return false; |
fa15568a | 974 | |
ede4eed4 | 975 | for (count = 0; count < i_ehdrp->e_shnum; count++) |
fa15568a | 976 | { |
ede4eed4 KR |
977 | #if DEBUG & 2 |
978 | elf_debug_section (count, i_shdrp[count]); | |
979 | #endif | |
980 | elf_swap_shdr_out (abfd, i_shdrp[count], x_shdrp + count); | |
fa15568a | 981 | } |
ede4eed4 KR |
982 | if (bfd_seek (abfd, (file_ptr) i_ehdrp->e_shoff, SEEK_SET) != 0 |
983 | || (bfd_write ((PTR) x_shdrp, sizeof (*x_shdrp), i_ehdrp->e_shnum, abfd) | |
984 | != sizeof (*x_shdrp) * i_ehdrp->e_shnum)) | |
985 | return false; | |
fa15568a | 986 | |
ede4eed4 | 987 | /* need to dump the string table too... */ |
fa15568a ILT |
988 | |
989 | return true; | |
244ffee7 JK |
990 | } |
991 | ||
d1bf45aa | 992 | long |
ede4eed4 | 993 | elf_slurp_symbol_table (abfd, symptrs, dynamic) |
062189c6 | 994 | bfd *abfd; |
ede4eed4 KR |
995 | asymbol **symptrs; /* Buffer for generated bfd symbols */ |
996 | boolean dynamic; | |
32090b8e | 997 | { |
ede4eed4 KR |
998 | Elf_Internal_Shdr *hdr; |
999 | long symcount; /* Number of external ELF symbols */ | |
1000 | elf_symbol_type *sym; /* Pointer to current bfd symbol */ | |
1001 | elf_symbol_type *symbase; /* Buffer for generated bfd symbols */ | |
1002 | Elf_Internal_Sym i_sym; | |
1003 | Elf_External_Sym *x_symp = NULL; | |
244ffee7 | 1004 | |
ede4eed4 KR |
1005 | /* Read each raw ELF symbol, converting from external ELF form to |
1006 | internal ELF form, and then using the information to create a | |
1007 | canonical bfd symbol table entry. | |
6a3eb9b6 | 1008 | |
ede4eed4 KR |
1009 | Note that we allocate the initial bfd canonical symbol buffer |
1010 | based on a one-to-one mapping of the ELF symbols to canonical | |
1011 | symbols. We actually use all the ELF symbols, so there will be no | |
1012 | space left over at the end. When we have all the symbols, we | |
1013 | build the caller's pointer vector. */ | |
244ffee7 | 1014 | |
ede4eed4 KR |
1015 | if (dynamic) |
1016 | hdr = &elf_tdata (abfd)->dynsymtab_hdr; | |
1017 | else | |
1018 | hdr = &elf_tdata (abfd)->symtab_hdr; | |
1019 | if (bfd_seek (abfd, hdr->sh_offset, SEEK_SET) == -1) | |
1020 | return -1; | |
244ffee7 | 1021 | |
ede4eed4 | 1022 | symcount = hdr->sh_size / sizeof (Elf_External_Sym); |
d24928c0 | 1023 | |
ede4eed4 KR |
1024 | if (symcount == 0) |
1025 | sym = symbase = NULL; | |
1026 | else | |
e621c5cc | 1027 | { |
ede4eed4 | 1028 | long i; |
24f13b03 | 1029 | |
ede4eed4 KR |
1030 | if (bfd_seek (abfd, hdr->sh_offset, SEEK_SET) == -1) |
1031 | return -1; | |
6ec3bb6a | 1032 | |
ede4eed4 KR |
1033 | symbase = ((elf_symbol_type *) |
1034 | bfd_zalloc (abfd, symcount * sizeof (elf_symbol_type))); | |
1035 | if (symbase == (elf_symbol_type *) NULL) | |
a9713b91 | 1036 | return -1; |
ede4eed4 | 1037 | sym = symbase; |
6ec3bb6a | 1038 | |
ede4eed4 KR |
1039 | /* Temporarily allocate room for the raw ELF symbols. */ |
1040 | x_symp = ((Elf_External_Sym *) | |
58142f10 | 1041 | bfd_malloc (symcount * sizeof (Elf_External_Sym))); |
ede4eed4 | 1042 | if (x_symp == NULL && symcount != 0) |
58142f10 | 1043 | goto error_return; |
1c640609 | 1044 | |
ede4eed4 KR |
1045 | if (bfd_read ((PTR) x_symp, sizeof (Elf_External_Sym), symcount, abfd) |
1046 | != symcount * sizeof (Elf_External_Sym)) | |
1047 | goto error_return; | |
1048 | /* Skip first symbol, which is a null dummy. */ | |
1049 | for (i = 1; i < symcount; i++) | |
6ec3bb6a | 1050 | { |
ede4eed4 KR |
1051 | elf_swap_symbol_in (abfd, x_symp + i, &i_sym); |
1052 | memcpy (&sym->internal_elf_sym, &i_sym, sizeof (Elf_Internal_Sym)); | |
1053 | #ifdef ELF_KEEP_EXTSYM | |
1054 | memcpy (&sym->native_elf_sym, x_symp + i, sizeof (Elf_External_Sym)); | |
6ec3bb6a | 1055 | #endif |
ede4eed4 | 1056 | sym->symbol.the_bfd = abfd; |
6ec3bb6a | 1057 | |
ede4eed4 KR |
1058 | sym->symbol.name = bfd_elf_string_from_elf_section (abfd, |
1059 | hdr->sh_link, | |
1060 | i_sym.st_name); | |
6ec3bb6a | 1061 | |
ede4eed4 | 1062 | sym->symbol.value = i_sym.st_value; |
6ec3bb6a | 1063 | |
ede4eed4 | 1064 | if (i_sym.st_shndx > 0 && i_sym.st_shndx < SHN_LORESERVE) |
6ec3bb6a | 1065 | { |
ede4eed4 KR |
1066 | sym->symbol.section = section_from_elf_index (abfd, |
1067 | i_sym.st_shndx); | |
1068 | if (sym->symbol.section == NULL) | |
6ec3bb6a | 1069 | { |
ede4eed4 KR |
1070 | /* This symbol is in a section for which we did not |
1071 | create a BFD section. Just use bfd_abs_section, | |
1072 | although it is wrong. FIXME. */ | |
1073 | sym->symbol.section = bfd_abs_section_ptr; | |
6ec3bb6a ILT |
1074 | } |
1075 | } | |
ede4eed4 | 1076 | else if (i_sym.st_shndx == SHN_ABS) |
6ec3bb6a | 1077 | { |
ede4eed4 | 1078 | sym->symbol.section = bfd_abs_section_ptr; |
6ec3bb6a | 1079 | } |
ede4eed4 | 1080 | else if (i_sym.st_shndx == SHN_COMMON) |
6ec3bb6a | 1081 | { |
ede4eed4 KR |
1082 | sym->symbol.section = bfd_com_section_ptr; |
1083 | /* Elf puts the alignment into the `value' field, and | |
1084 | the size into the `size' field. BFD wants to see the | |
1085 | size in the value field, and doesn't care (at the | |
1086 | moment) about the alignment. */ | |
1087 | sym->symbol.value = i_sym.st_size; | |
6ec3bb6a | 1088 | } |
ede4eed4 | 1089 | else if (i_sym.st_shndx == SHN_UNDEF) |
6ec3bb6a | 1090 | { |
ede4eed4 | 1091 | sym->symbol.section = bfd_und_section_ptr; |
6ec3bb6a ILT |
1092 | } |
1093 | else | |
ede4eed4 | 1094 | sym->symbol.section = bfd_abs_section_ptr; |
013dec1a | 1095 | |
ede4eed4 | 1096 | sym->symbol.value -= sym->symbol.section->vma; |
013dec1a | 1097 | |
ede4eed4 | 1098 | switch (ELF_ST_BIND (i_sym.st_info)) |
013dec1a | 1099 | { |
ede4eed4 KR |
1100 | case STB_LOCAL: |
1101 | sym->symbol.flags |= BSF_LOCAL; | |
197e30e5 | 1102 | break; |
ede4eed4 KR |
1103 | case STB_GLOBAL: |
1104 | if (i_sym.st_shndx != SHN_UNDEF | |
1105 | && i_sym.st_shndx != SHN_COMMON) | |
1106 | sym->symbol.flags |= BSF_GLOBAL; | |
013dec1a | 1107 | break; |
ede4eed4 KR |
1108 | case STB_WEAK: |
1109 | sym->symbol.flags |= BSF_WEAK; | |
013dec1a ILT |
1110 | break; |
1111 | } | |
013dec1a | 1112 | |
ede4eed4 | 1113 | switch (ELF_ST_TYPE (i_sym.st_info)) |
eb4267a3 | 1114 | { |
ede4eed4 KR |
1115 | case STT_SECTION: |
1116 | sym->symbol.flags |= BSF_SECTION_SYM | BSF_DEBUGGING; | |
1117 | break; | |
1118 | case STT_FILE: | |
1119 | sym->symbol.flags |= BSF_FILE | BSF_DEBUGGING; | |
1120 | break; | |
1121 | case STT_FUNC: | |
1122 | sym->symbol.flags |= BSF_FUNCTION; | |
1123 | break; | |
c9e5279f ILT |
1124 | case STT_OBJECT: |
1125 | sym->symbol.flags |= BSF_OBJECT; | |
1126 | break; | |
eb4267a3 | 1127 | } |
6ec3bb6a | 1128 | |
ede4eed4 KR |
1129 | if (dynamic) |
1130 | sym->symbol.flags |= BSF_DYNAMIC; | |
3c9832f8 | 1131 | |
ede4eed4 KR |
1132 | /* Do some backend-specific processing on this symbol. */ |
1133 | { | |
1134 | struct elf_backend_data *ebd = get_elf_backend_data (abfd); | |
1135 | if (ebd->elf_backend_symbol_processing) | |
1136 | (*ebd->elf_backend_symbol_processing) (abfd, &sym->symbol); | |
1137 | } | |
6ec3bb6a | 1138 | |
ede4eed4 KR |
1139 | sym++; |
1140 | } | |
6ec3bb6a ILT |
1141 | } |
1142 | ||
ede4eed4 KR |
1143 | /* Do some backend-specific processing on this symbol table. */ |
1144 | { | |
1145 | struct elf_backend_data *ebd = get_elf_backend_data (abfd); | |
1146 | if (ebd->elf_backend_symbol_table_processing) | |
1147 | (*ebd->elf_backend_symbol_table_processing) (abfd, symbase, symcount); | |
1148 | } | |
6ec3bb6a | 1149 | |
ede4eed4 | 1150 | /* We rely on the zalloc to clear out the final symbol entry. */ |
6ec3bb6a | 1151 | |
ede4eed4 | 1152 | symcount = sym - symbase; |
71edd06d | 1153 | |
ede4eed4 KR |
1154 | /* Fill in the user's symbol pointer vector if needed. */ |
1155 | if (symptrs) | |
6ec3bb6a | 1156 | { |
ede4eed4 | 1157 | long l = symcount; |
6ec3bb6a | 1158 | |
ede4eed4 KR |
1159 | sym = symbase; |
1160 | while (l-- > 0) | |
1161 | { | |
1162 | *symptrs++ = &sym->symbol; | |
1163 | sym++; | |
1164 | } | |
1165 | *symptrs = 0; /* Final null pointer */ | |
6ec3bb6a ILT |
1166 | } |
1167 | ||
ede4eed4 KR |
1168 | if (x_symp != NULL) |
1169 | free (x_symp); | |
1170 | return symcount; | |
1171 | error_return: | |
1172 | if (x_symp != NULL) | |
1173 | free (x_symp); | |
1174 | return -1; | |
6ec3bb6a ILT |
1175 | } |
1176 | ||
ede4eed4 | 1177 | /* Read in and swap the external relocs. */ |
6ec3bb6a ILT |
1178 | |
1179 | static boolean | |
ede4eed4 KR |
1180 | elf_slurp_reloc_table (abfd, asect, symbols) |
1181 | bfd *abfd; | |
1182 | asection *asect; | |
1183 | asymbol **symbols; | |
6ec3bb6a | 1184 | { |
ede4eed4 KR |
1185 | struct elf_backend_data * const ebd = get_elf_backend_data (abfd); |
1186 | struct bfd_elf_section_data * const d = elf_section_data (asect); | |
1187 | PTR allocated = NULL; | |
1188 | bfd_byte *native_relocs; | |
1189 | arelent *relents; | |
1190 | arelent *relent; | |
1191 | unsigned int i; | |
1192 | int entsize; | |
013dec1a | 1193 | |
ede4eed4 KR |
1194 | if (asect->relocation != NULL |
1195 | || (asect->flags & SEC_RELOC) == 0 | |
1196 | || asect->reloc_count == 0) | |
6ec3bb6a ILT |
1197 | return true; |
1198 | ||
ede4eed4 KR |
1199 | BFD_ASSERT (asect->rel_filepos == d->rel_hdr.sh_offset |
1200 | && (asect->reloc_count | |
1201 | == d->rel_hdr.sh_size / d->rel_hdr.sh_entsize)); | |
6ec3bb6a | 1202 | |
58142f10 | 1203 | allocated = (PTR) bfd_malloc ((size_t) d->rel_hdr.sh_size); |
ede4eed4 | 1204 | if (allocated == NULL) |
58142f10 | 1205 | goto error_return; |
6ec3bb6a | 1206 | |
ede4eed4 KR |
1207 | if (bfd_seek (abfd, asect->rel_filepos, SEEK_SET) != 0 |
1208 | || (bfd_read (allocated, 1, d->rel_hdr.sh_size, abfd) | |
1209 | != d->rel_hdr.sh_size)) | |
1210 | goto error_return; | |
6ec3bb6a | 1211 | |
ede4eed4 | 1212 | native_relocs = (bfd_byte *) allocated; |
6ec3bb6a | 1213 | |
ede4eed4 KR |
1214 | relents = ((arelent *) |
1215 | bfd_alloc (abfd, asect->reloc_count * sizeof (arelent))); | |
1216 | if (relents == NULL) | |
a9713b91 | 1217 | goto error_return; |
6ec3bb6a | 1218 | |
ede4eed4 KR |
1219 | entsize = d->rel_hdr.sh_entsize; |
1220 | BFD_ASSERT (entsize == sizeof (Elf_External_Rel) | |
1221 | || entsize == sizeof (Elf_External_Rela)); | |
1222 | ||
1223 | for (i = 0, relent = relents; | |
1224 | i < asect->reloc_count; | |
1225 | i++, relent++, native_relocs += entsize) | |
013dec1a | 1226 | { |
ede4eed4 KR |
1227 | Elf_Internal_Rela rela; |
1228 | Elf_Internal_Rel rel; | |
1229 | ||
1230 | if (entsize == sizeof (Elf_External_Rela)) | |
1231 | elf_swap_reloca_in (abfd, (Elf_External_Rela *) native_relocs, &rela); | |
1232 | else | |
013dec1a | 1233 | { |
ede4eed4 KR |
1234 | elf_swap_reloc_in (abfd, (Elf_External_Rel *) native_relocs, &rel); |
1235 | rela.r_offset = rel.r_offset; | |
1236 | rela.r_info = rel.r_info; | |
1237 | rela.r_addend = 0; | |
013dec1a ILT |
1238 | } |
1239 | ||
ede4eed4 KR |
1240 | /* The address of an ELF reloc is section relative for an object |
1241 | file, and absolute for an executable file or shared library. | |
1242 | The address of a BFD reloc is always section relative. */ | |
1243 | if ((abfd->flags & (EXEC_P | DYNAMIC)) == 0) | |
1244 | relent->address = rela.r_offset; | |
1245 | else | |
1246 | relent->address = rela.r_offset - asect->vma; | |
6ec3bb6a | 1247 | |
ede4eed4 KR |
1248 | if (ELF_R_SYM (rela.r_info) == 0) |
1249 | relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; | |
1250 | else | |
1251 | { | |
1252 | asymbol **ps, *s; | |
6ec3bb6a | 1253 | |
ede4eed4 KR |
1254 | ps = symbols + ELF_R_SYM (rela.r_info) - 1; |
1255 | s = *ps; | |
6ec3bb6a | 1256 | |
ede4eed4 KR |
1257 | /* Canonicalize ELF section symbols. FIXME: Why? */ |
1258 | if ((s->flags & BSF_SECTION_SYM) == 0) | |
1259 | relent->sym_ptr_ptr = ps; | |
1260 | else | |
1261 | relent->sym_ptr_ptr = s->section->symbol_ptr_ptr; | |
1262 | } | |
6ec3bb6a | 1263 | |
ede4eed4 | 1264 | relent->addend = rela.r_addend; |
013dec1a | 1265 | |
ede4eed4 KR |
1266 | if (entsize == sizeof (Elf_External_Rela)) |
1267 | (*ebd->elf_info_to_howto) (abfd, relent, &rela); | |
1268 | else | |
1269 | (*ebd->elf_info_to_howto_rel) (abfd, relent, &rel); | |
5315c428 ILT |
1270 | } |
1271 | ||
ede4eed4 | 1272 | asect->relocation = relents; |
6ec3bb6a | 1273 | |
ede4eed4 KR |
1274 | if (allocated != NULL) |
1275 | free (allocated); | |
6ec3bb6a | 1276 | |
ede4eed4 | 1277 | return true; |
6ec3bb6a | 1278 | |
ede4eed4 KR |
1279 | error_return: |
1280 | if (allocated != NULL) | |
1281 | free (allocated); | |
1282 | return false; | |
1283 | } | |
5315c428 | 1284 | |
ede4eed4 KR |
1285 | #ifdef DEBUG |
1286 | static void | |
1287 | elf_debug_section (num, hdr) | |
1288 | int num; | |
1289 | Elf_Internal_Shdr *hdr; | |
1290 | { | |
1291 | fprintf (stderr, "\nSection#%d '%s' 0x%.8lx\n", num, | |
1292 | hdr->bfd_section != NULL ? hdr->bfd_section->name : "", | |
1293 | (long) hdr); | |
1294 | fprintf (stderr, | |
1295 | "sh_name = %ld\tsh_type = %ld\tsh_flags = %ld\n", | |
1296 | (long) hdr->sh_name, | |
1297 | (long) hdr->sh_type, | |
1298 | (long) hdr->sh_flags); | |
1299 | fprintf (stderr, | |
1300 | "sh_addr = %ld\tsh_offset = %ld\tsh_size = %ld\n", | |
1301 | (long) hdr->sh_addr, | |
1302 | (long) hdr->sh_offset, | |
1303 | (long) hdr->sh_size); | |
1304 | fprintf (stderr, | |
1305 | "sh_link = %ld\tsh_info = %ld\tsh_addralign = %ld\n", | |
1306 | (long) hdr->sh_link, | |
1307 | (long) hdr->sh_info, | |
1308 | (long) hdr->sh_addralign); | |
1309 | fprintf (stderr, "sh_entsize = %ld\n", | |
1310 | (long) hdr->sh_entsize); | |
1311 | fflush (stderr); | |
1312 | } | |
6ec3bb6a | 1313 | |
ede4eed4 KR |
1314 | static void |
1315 | elf_debug_file (ehdrp) | |
1316 | Elf_Internal_Ehdr *ehdrp; | |
1317 | { | |
1318 | fprintf (stderr, "e_entry = 0x%.8lx\n", (long) ehdrp->e_entry); | |
1319 | fprintf (stderr, "e_phoff = %ld\n", (long) ehdrp->e_phoff); | |
1320 | fprintf (stderr, "e_phnum = %ld\n", (long) ehdrp->e_phnum); | |
1321 | fprintf (stderr, "e_phentsize = %ld\n", (long) ehdrp->e_phentsize); | |
1322 | fprintf (stderr, "e_shoff = %ld\n", (long) ehdrp->e_shoff); | |
1323 | fprintf (stderr, "e_shnum = %ld\n", (long) ehdrp->e_shnum); | |
1324 | fprintf (stderr, "e_shentsize = %ld\n", (long) ehdrp->e_shentsize); | |
1325 | } | |
6ec3bb6a | 1326 | |
ede4eed4 KR |
1327 | static char * |
1328 | elf_symbol_flags (flags) | |
1329 | flagword flags; | |
1330 | { | |
1331 | static char buffer[1024]; | |
6ec3bb6a | 1332 | |
ede4eed4 KR |
1333 | buffer[0] = '\0'; |
1334 | if (flags & BSF_LOCAL) | |
1335 | strcat (buffer, " local"); | |
8af74670 | 1336 | |
ede4eed4 KR |
1337 | if (flags & BSF_GLOBAL) |
1338 | strcat (buffer, " global"); | |
6ec3bb6a | 1339 | |
ede4eed4 KR |
1340 | if (flags & BSF_DEBUGGING) |
1341 | strcat (buffer, " debug"); | |
6ec3bb6a | 1342 | |
ede4eed4 KR |
1343 | if (flags & BSF_FUNCTION) |
1344 | strcat (buffer, " function"); | |
6ec3bb6a | 1345 | |
ede4eed4 KR |
1346 | if (flags & BSF_KEEP) |
1347 | strcat (buffer, " keep"); | |
6ec3bb6a | 1348 | |
ede4eed4 KR |
1349 | if (flags & BSF_KEEP_G) |
1350 | strcat (buffer, " keep_g"); | |
6ec3bb6a | 1351 | |
ede4eed4 KR |
1352 | if (flags & BSF_WEAK) |
1353 | strcat (buffer, " weak"); | |
6ec3bb6a | 1354 | |
ede4eed4 KR |
1355 | if (flags & BSF_SECTION_SYM) |
1356 | strcat (buffer, " section-sym"); | |
6ec3bb6a | 1357 | |
ede4eed4 KR |
1358 | if (flags & BSF_OLD_COMMON) |
1359 | strcat (buffer, " old-common"); | |
6ec3bb6a | 1360 | |
ede4eed4 KR |
1361 | if (flags & BSF_NOT_AT_END) |
1362 | strcat (buffer, " not-at-end"); | |
6ec3bb6a | 1363 | |
ede4eed4 KR |
1364 | if (flags & BSF_CONSTRUCTOR) |
1365 | strcat (buffer, " constructor"); | |
6ec3bb6a | 1366 | |
ede4eed4 KR |
1367 | if (flags & BSF_WARNING) |
1368 | strcat (buffer, " warning"); | |
6ec3bb6a | 1369 | |
ede4eed4 KR |
1370 | if (flags & BSF_INDIRECT) |
1371 | strcat (buffer, " indirect"); | |
6ec3bb6a | 1372 | |
ede4eed4 KR |
1373 | if (flags & BSF_FILE) |
1374 | strcat (buffer, " file"); | |
6ec3bb6a | 1375 | |
ede4eed4 KR |
1376 | if (flags & DYNAMIC) |
1377 | strcat (buffer, " dynamic"); | |
6ec3bb6a | 1378 | |
ede4eed4 KR |
1379 | if (flags & ~(BSF_LOCAL |
1380 | | BSF_GLOBAL | |
1381 | | BSF_DEBUGGING | |
1382 | | BSF_FUNCTION | |
1383 | | BSF_KEEP | |
1384 | | BSF_KEEP_G | |
1385 | | BSF_WEAK | |
1386 | | BSF_SECTION_SYM | |
1387 | | BSF_OLD_COMMON | |
1388 | | BSF_NOT_AT_END | |
1389 | | BSF_CONSTRUCTOR | |
1390 | | BSF_WARNING | |
1391 | | BSF_INDIRECT | |
1392 | | BSF_FILE | |
1393 | | BSF_DYNAMIC)) | |
1394 | strcat (buffer, " unknown-bits"); | |
6ec3bb6a | 1395 | |
ede4eed4 | 1396 | return buffer; |
6ec3bb6a | 1397 | } |
ede4eed4 KR |
1398 | #endif |
1399 | \f | |
1400 | #include "elfcore.h" | |
1401 | #include "elflink.h" | |
1402 | \f | |
1403 | /* Size-dependent data and functions. */ | |
1404 | const struct elf_size_info NAME(_bfd_elf,size_info) = { | |
1405 | sizeof (Elf_External_Ehdr), | |
1406 | sizeof (Elf_External_Phdr), | |
1407 | sizeof (Elf_External_Shdr), | |
1408 | sizeof (Elf_External_Rel), | |
1409 | sizeof (Elf_External_Rela), | |
1410 | sizeof (Elf_External_Sym), | |
1411 | sizeof (Elf_External_Dyn), | |
1412 | sizeof (Elf_External_Note), | |
1413 | ||
1414 | ARCH_SIZE, FILE_ALIGN, | |
1415 | ELFCLASS, EV_CURRENT, | |
d1bf45aa ILT |
1416 | elf_write_out_phdrs, |
1417 | elf_write_shdrs_and_ehdr, | |
b818a325 KR |
1418 | write_relocs, |
1419 | elf_swap_symbol_out, | |
1420 | elf_slurp_reloc_table, | |
1421 | elf_slurp_symbol_table, | |
02fcd126 | 1422 | elf_swap_dyn_in |
ede4eed4 | 1423 | }; |