| File: | src/gnu/usr.bin/binutils/bfd/coffgen.c |
| Warning: | line 1762, column 9 Dereference of null pointer |
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| 1 | /* Support for the generic parts of COFF, for BFD. | |||
| 2 | Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, | |||
| 3 | 2000, 2001, 2002, 2003 | |||
| 4 | Free Software Foundation, Inc. | |||
| 5 | Written by Cygnus Support. | |||
| 6 | ||||
| 7 | This file is part of BFD, the Binary File Descriptor library. | |||
| 8 | ||||
| 9 | This program is free software; you can redistribute it and/or modify | |||
| 10 | it under the terms of the GNU General Public License as published by | |||
| 11 | the Free Software Foundation; either version 2 of the License, or | |||
| 12 | (at your option) any later version. | |||
| 13 | ||||
| 14 | This program is distributed in the hope that it will be useful, | |||
| 15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |||
| 16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |||
| 17 | GNU General Public License for more details. | |||
| 18 | ||||
| 19 | You should have received a copy of the GNU General Public License | |||
| 20 | along with this program; if not, write to the Free Software | |||
| 21 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |||
| 22 | ||||
| 23 | /* Most of this hacked by Steve Chamberlain, sac@cygnus.com. | |||
| 24 | Split out of coffcode.h by Ian Taylor, ian@cygnus.com. */ | |||
| 25 | ||||
| 26 | /* This file contains COFF code that is not dependent on any | |||
| 27 | particular COFF target. There is only one version of this file in | |||
| 28 | libbfd.a, so no target specific code may be put in here. Or, to | |||
| 29 | put it another way, | |||
| 30 | ||||
| 31 | ********** DO NOT PUT TARGET SPECIFIC CODE IN THIS FILE ********** | |||
| 32 | ||||
| 33 | If you need to add some target specific behaviour, add a new hook | |||
| 34 | function to bfd_coff_backend_data. | |||
| 35 | ||||
| 36 | Some of these functions are also called by the ECOFF routines. | |||
| 37 | Those functions may not use any COFF specific information, such as | |||
| 38 | coff_data (abfd). */ | |||
| 39 | ||||
| 40 | #include "bfd.h" | |||
| 41 | #include "sysdep.h" | |||
| 42 | #include "libbfd.h" | |||
| 43 | #include "coff/internal.h" | |||
| 44 | #include "libcoff.h" | |||
| 45 | ||||
| 46 | static void coff_fix_symbol_name | |||
| 47 | PARAMS ((bfd *, asymbol *, combined_entry_type *, bfd_size_type *,(bfd *, asymbol *, combined_entry_type *, bfd_size_type *, asection **, bfd_size_type *) | |||
| 48 | asection **, bfd_size_type *))(bfd *, asymbol *, combined_entry_type *, bfd_size_type *, asection **, bfd_size_type *); | |||
| 49 | static bfd_boolean coff_write_symbol | |||
| 50 | PARAMS ((bfd *, asymbol *, combined_entry_type *, bfd_vma *,(bfd *, asymbol *, combined_entry_type *, bfd_vma *, bfd_size_type *, asection **, bfd_size_type *) | |||
| 51 | bfd_size_type *, asection **, bfd_size_type *))(bfd *, asymbol *, combined_entry_type *, bfd_vma *, bfd_size_type *, asection **, bfd_size_type *); | |||
| 52 | static bfd_boolean coff_write_alien_symbol | |||
| 53 | PARAMS ((bfd *, asymbol *, bfd_vma *, bfd_size_type *,(bfd *, asymbol *, bfd_vma *, bfd_size_type *, asection **, bfd_size_type *) | |||
| 54 | asection **, bfd_size_type *))(bfd *, asymbol *, bfd_vma *, bfd_size_type *, asection **, bfd_size_type *); | |||
| 55 | static bfd_boolean coff_write_native_symbol | |||
| 56 | PARAMS ((bfd *, coff_symbol_type *, bfd_vma *, bfd_size_type *,(bfd *, coff_symbol_type *, bfd_vma *, bfd_size_type *, asection **, bfd_size_type *) | |||
| 57 | asection **, bfd_size_type *))(bfd *, coff_symbol_type *, bfd_vma *, bfd_size_type *, asection **, bfd_size_type *); | |||
| 58 | static void coff_pointerize_aux | |||
| 59 | PARAMS ((bfd *, combined_entry_type *, combined_entry_type *,(bfd *, combined_entry_type *, combined_entry_type *, unsigned int, combined_entry_type *) | |||
| 60 | unsigned int, combined_entry_type *))(bfd *, combined_entry_type *, combined_entry_type *, unsigned int, combined_entry_type *); | |||
| 61 | static bfd_boolean make_a_section_from_file | |||
| 62 | PARAMS ((bfd *, struct internal_scnhdr *, unsigned int))(bfd *, struct internal_scnhdr *, unsigned int); | |||
| 63 | static const bfd_target *coff_real_object_p | |||
| 64 | PARAMS ((bfd *, unsigned, struct internal_filehdr *,(bfd *, unsigned, struct internal_filehdr *, struct internal_aouthdr *) | |||
| 65 | struct internal_aouthdr *))(bfd *, unsigned, struct internal_filehdr *, struct internal_aouthdr *); | |||
| 66 | static void fixup_symbol_value | |||
| 67 | PARAMS ((bfd *, coff_symbol_type *, struct internal_syment *))(bfd *, coff_symbol_type *, struct internal_syment *); | |||
| 68 | static char *build_debug_section | |||
| 69 | PARAMS ((bfd *))(bfd *); | |||
| 70 | static char *copy_name | |||
| 71 | PARAMS ((bfd *, char *, size_t))(bfd *, char *, size_t); | |||
| 72 | ||||
| 73 | #define STRING_SIZE_SIZE(4) (4) | |||
| 74 | ||||
| 75 | /* Take a section header read from a coff file (in HOST byte order), | |||
| 76 | and make a BFD "section" out of it. This is used by ECOFF. */ | |||
| 77 | static bfd_boolean | |||
| 78 | make_a_section_from_file (abfd, hdr, target_index) | |||
| 79 | bfd *abfd; | |||
| 80 | struct internal_scnhdr *hdr; | |||
| 81 | unsigned int target_index; | |||
| 82 | { | |||
| 83 | asection *return_section; | |||
| 84 | char *name; | |||
| 85 | bfd_boolean result = TRUE1; | |||
| 86 | flagword flags; | |||
| 87 | ||||
| 88 | name = NULL((void*)0); | |||
| 89 | ||||
| 90 | /* Handle long section names as in PE. */ | |||
| 91 | if (bfd_coff_long_section_names (abfd)(((bfd_coff_backend_data *) (abfd)->xvec->backend_data) ->_bfd_coff_long_section_names) | |||
| 92 | && hdr->s_name[0] == '/') | |||
| 93 | { | |||
| 94 | char buf[SCNNMLEN(8)]; | |||
| 95 | long strindex; | |||
| 96 | char *p; | |||
| 97 | const char *strings; | |||
| 98 | ||||
| 99 | memcpy (buf, hdr->s_name + 1, SCNNMLEN(8) - 1); | |||
| 100 | buf[SCNNMLEN(8) - 1] = '\0'; | |||
| 101 | strindex = strtol (buf, &p, 10); | |||
| 102 | if (*p == '\0' && strindex >= 0) | |||
| 103 | { | |||
| 104 | strings = _bfd_coff_read_string_table (abfd); | |||
| 105 | if (strings == NULL((void*)0)) | |||
| 106 | return FALSE0; | |||
| 107 | /* FIXME: For extra safety, we should make sure that | |||
| 108 | strindex does not run us past the end, but right now we | |||
| 109 | don't know the length of the string table. */ | |||
| 110 | strings += strindex; | |||
| 111 | name = bfd_alloc (abfd, (bfd_size_type) strlen (strings) + 1); | |||
| 112 | if (name == NULL((void*)0)) | |||
| 113 | return FALSE0; | |||
| 114 | strcpy (name, strings); | |||
| 115 | } | |||
| 116 | } | |||
| 117 | ||||
| 118 | if (name == NULL((void*)0)) | |||
| 119 | { | |||
| 120 | /* Assorted wastage to null-terminate the name, thanks AT&T! */ | |||
| 121 | name = bfd_alloc (abfd, (bfd_size_type) sizeof (hdr->s_name) + 1); | |||
| 122 | if (name == NULL((void*)0)) | |||
| 123 | return FALSE0; | |||
| 124 | strncpy (name, (char *) &hdr->s_name[0], sizeof (hdr->s_name)); | |||
| 125 | name[sizeof (hdr->s_name)] = 0; | |||
| 126 | } | |||
| 127 | ||||
| 128 | return_section = bfd_make_section_anyway (abfd, name); | |||
| 129 | if (return_section == NULL((void*)0)) | |||
| 130 | return FALSE0; | |||
| 131 | ||||
| 132 | return_section->vma = hdr->s_vaddr; | |||
| 133 | return_section->lma = hdr->s_paddr; | |||
| 134 | return_section->_raw_size = hdr->s_size; | |||
| 135 | return_section->filepos = hdr->s_scnptr; | |||
| 136 | return_section->rel_filepos = hdr->s_relptr; | |||
| 137 | return_section->reloc_count = hdr->s_nreloc; | |||
| 138 | ||||
| 139 | bfd_coff_set_alignment_hook (abfd, return_section, hdr)((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_set_alignment_hook) (abfd, return_section, hdr)); | |||
| 140 | ||||
| 141 | return_section->line_filepos = hdr->s_lnnoptr; | |||
| 142 | ||||
| 143 | return_section->lineno_count = hdr->s_nlnno; | |||
| 144 | return_section->userdata = NULL((void*)0); | |||
| 145 | return_section->next = (asection *) NULL((void*)0); | |||
| 146 | return_section->target_index = target_index; | |||
| 147 | ||||
| 148 | if (! bfd_coff_styp_to_sec_flags_hook (abfd, hdr, name, return_section,((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_styp_to_sec_flags_hook) (abfd, hdr, name, return_section , & flags)) | |||
| 149 | & flags)((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_styp_to_sec_flags_hook) (abfd, hdr, name, return_section , & flags))) | |||
| 150 | result = FALSE0; | |||
| 151 | ||||
| 152 | return_section->flags = flags; | |||
| 153 | ||||
| 154 | /* At least on i386-coff, the line number count for a shared library | |||
| 155 | section must be ignored. */ | |||
| 156 | if ((return_section->flags & SEC_COFF_SHARED_LIBRARY0x800) != 0) | |||
| 157 | return_section->lineno_count = 0; | |||
| 158 | ||||
| 159 | if (hdr->s_nreloc != 0) | |||
| 160 | return_section->flags |= SEC_RELOC0x004; | |||
| 161 | /* FIXME: should this check 'hdr->s_size > 0' */ | |||
| 162 | if (hdr->s_scnptr != 0) | |||
| 163 | return_section->flags |= SEC_HAS_CONTENTS0x200; | |||
| 164 | ||||
| 165 | return result; | |||
| 166 | } | |||
| 167 | ||||
| 168 | /* Read in a COFF object and make it into a BFD. This is used by | |||
| 169 | ECOFF as well. */ | |||
| 170 | ||||
| 171 | static const bfd_target * | |||
| 172 | coff_real_object_p (abfd, nscns, internal_f, internal_a) | |||
| 173 | bfd *abfd; | |||
| 174 | unsigned nscns; | |||
| 175 | struct internal_filehdr *internal_f; | |||
| 176 | struct internal_aouthdr *internal_a; | |||
| 177 | { | |||
| 178 | flagword oflags = abfd->flags; | |||
| 179 | bfd_vma ostart = bfd_get_start_address (abfd)((abfd)->start_address); | |||
| 180 | PTRvoid * tdata; | |||
| 181 | PTRvoid * tdata_save; | |||
| 182 | bfd_size_type readsize; /* length of file_info */ | |||
| 183 | unsigned int scnhsz; | |||
| 184 | char *external_sections; | |||
| 185 | ||||
| 186 | if (!(internal_f->f_flags & F_RELFLG(0x0001))) | |||
| 187 | abfd->flags |= HAS_RELOC0x01; | |||
| 188 | if ((internal_f->f_flags & F_EXEC(0x0002))) | |||
| 189 | abfd->flags |= EXEC_P0x02; | |||
| 190 | if (!(internal_f->f_flags & F_LNNO(0x0004))) | |||
| 191 | abfd->flags |= HAS_LINENO0x04; | |||
| 192 | if (!(internal_f->f_flags & F_LSYMS(0x0008))) | |||
| 193 | abfd->flags |= HAS_LOCALS0x20; | |||
| 194 | ||||
| 195 | /* FIXME: How can we set D_PAGED correctly? */ | |||
| 196 | if ((internal_f->f_flags & F_EXEC(0x0002)) != 0) | |||
| 197 | abfd->flags |= D_PAGED0x100; | |||
| 198 | ||||
| 199 | bfd_get_symcount (abfd)((abfd)->symcount) = internal_f->f_nsyms; | |||
| 200 | if (internal_f->f_nsyms) | |||
| 201 | abfd->flags |= HAS_SYMS0x10; | |||
| 202 | ||||
| 203 | if (internal_a != (struct internal_aouthdr *) NULL((void*)0)) | |||
| 204 | bfd_get_start_address (abfd)((abfd)->start_address) = internal_a->entry; | |||
| 205 | else | |||
| 206 | bfd_get_start_address (abfd)((abfd)->start_address) = 0; | |||
| 207 | ||||
| 208 | /* Set up the tdata area. ECOFF uses its own routine, and overrides | |||
| 209 | abfd->flags. */ | |||
| 210 | tdata_save = abfd->tdata.any; | |||
| 211 | tdata = bfd_coff_mkobject_hook (abfd, (PTR) internal_f, (PTR) internal_a)((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_mkobject_hook) (abfd, (void *) internal_f, (void *) internal_a)); | |||
| 212 | if (tdata == NULL((void*)0)) | |||
| 213 | goto fail2; | |||
| 214 | ||||
| 215 | scnhsz = bfd_coff_scnhsz (abfd)(((bfd_coff_backend_data *) (abfd)->xvec->backend_data) ->_bfd_scnhsz); | |||
| 216 | readsize = (bfd_size_type) nscns * scnhsz; | |||
| 217 | external_sections = (char *) bfd_alloc (abfd, readsize); | |||
| 218 | if (!external_sections) | |||
| 219 | goto fail; | |||
| 220 | ||||
| 221 | if (bfd_bread ((PTRvoid *) external_sections, readsize, abfd) != readsize) | |||
| 222 | goto fail; | |||
| 223 | ||||
| 224 | /* Set the arch/mach *before* swapping in sections; section header swapping | |||
| 225 | may depend on arch/mach info. */ | |||
| 226 | if (! bfd_coff_set_arch_mach_hook (abfd, (PTR) internal_f)((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_set_arch_mach_hook) (abfd, (void *) internal_f ))) | |||
| 227 | goto fail; | |||
| 228 | ||||
| 229 | /* Now copy data as required; construct all asections etc. */ | |||
| 230 | if (nscns != 0) | |||
| 231 | { | |||
| 232 | unsigned int i; | |||
| 233 | for (i = 0; i < nscns; i++) | |||
| 234 | { | |||
| 235 | struct internal_scnhdr tmp; | |||
| 236 | bfd_coff_swap_scnhdr_in (abfd,((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_swap_scnhdr_in) (abfd, (void *) (external_sections + i * scnhsz), (void *) & tmp)) | |||
| 237 | (PTR) (external_sections + i * scnhsz),((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_swap_scnhdr_in) (abfd, (void *) (external_sections + i * scnhsz), (void *) & tmp)) | |||
| 238 | (PTR) & tmp)((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_swap_scnhdr_in) (abfd, (void *) (external_sections + i * scnhsz), (void *) & tmp)); | |||
| 239 | if (! make_a_section_from_file (abfd, &tmp, i + 1)) | |||
| 240 | goto fail; | |||
| 241 | } | |||
| 242 | } | |||
| 243 | ||||
| 244 | return abfd->xvec; | |||
| 245 | ||||
| 246 | fail: | |||
| 247 | bfd_release (abfd, tdata); | |||
| 248 | fail2: | |||
| 249 | abfd->tdata.any = tdata_save; | |||
| 250 | abfd->flags = oflags; | |||
| 251 | bfd_get_start_address (abfd)((abfd)->start_address) = ostart; | |||
| 252 | return (const bfd_target *) NULL((void*)0); | |||
| 253 | } | |||
| 254 | ||||
| 255 | /* Turn a COFF file into a BFD, but fail with bfd_error_wrong_format if it is | |||
| 256 | not a COFF file. This is also used by ECOFF. */ | |||
| 257 | ||||
| 258 | const bfd_target * | |||
| 259 | coff_object_p (abfd) | |||
| 260 | bfd *abfd; | |||
| 261 | { | |||
| 262 | bfd_size_type filhsz; | |||
| 263 | bfd_size_type aoutsz; | |||
| 264 | unsigned int nscns; | |||
| 265 | PTRvoid * filehdr; | |||
| 266 | struct internal_filehdr internal_f; | |||
| 267 | struct internal_aouthdr internal_a; | |||
| 268 | ||||
| 269 | /* figure out how much to read */ | |||
| 270 | filhsz = bfd_coff_filhsz (abfd)(((bfd_coff_backend_data *) (abfd)->xvec->backend_data) ->_bfd_filhsz); | |||
| 271 | aoutsz = bfd_coff_aoutsz (abfd)(((bfd_coff_backend_data *) (abfd)->xvec->backend_data) ->_bfd_aoutsz); | |||
| 272 | ||||
| 273 | filehdr = bfd_alloc (abfd, filhsz); | |||
| 274 | if (filehdr == NULL((void*)0)) | |||
| 275 | return NULL((void*)0); | |||
| 276 | if (bfd_bread (filehdr, filhsz, abfd) != filhsz) | |||
| 277 | { | |||
| 278 | if (bfd_get_error () != bfd_error_system_call) | |||
| 279 | bfd_set_error (bfd_error_wrong_format); | |||
| 280 | bfd_release (abfd, filehdr); | |||
| 281 | return NULL((void*)0); | |||
| 282 | } | |||
| 283 | bfd_coff_swap_filehdr_in (abfd, filehdr, &internal_f)((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_swap_filehdr_in) (abfd, filehdr, &internal_f )); | |||
| 284 | bfd_release (abfd, filehdr); | |||
| 285 | ||||
| 286 | /* The XCOFF format has two sizes for the f_opthdr. SMALL_AOUTSZ | |||
| 287 | (less than aoutsz) used in object files and AOUTSZ (equal to | |||
| 288 | aoutsz) in executables. The bfd_coff_swap_aouthdr_in function | |||
| 289 | expects this header to be aoutsz bytes in length, so we use that | |||
| 290 | value in the call to bfd_alloc below. But we must be careful to | |||
| 291 | only read in f_opthdr bytes in the call to bfd_bread. We should | |||
| 292 | also attempt to catch corrupt or non-COFF binaries with a strange | |||
| 293 | value for f_opthdr. */ | |||
| 294 | if (! bfd_coff_bad_format_hook (abfd, &internal_f)((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_bad_format_hook) (abfd, &internal_f)) | |||
| 295 | || internal_f.f_opthdr > aoutsz) | |||
| 296 | { | |||
| 297 | bfd_set_error (bfd_error_wrong_format); | |||
| 298 | return NULL((void*)0); | |||
| 299 | } | |||
| 300 | nscns = internal_f.f_nscns; | |||
| 301 | ||||
| 302 | if (internal_f.f_opthdr) | |||
| 303 | { | |||
| 304 | PTRvoid * opthdr; | |||
| 305 | ||||
| 306 | opthdr = bfd_alloc (abfd, aoutsz); | |||
| 307 | if (opthdr == NULL((void*)0)) | |||
| 308 | return NULL((void*)0); | |||
| 309 | if (bfd_bread (opthdr, (bfd_size_type) internal_f.f_opthdr, abfd) | |||
| 310 | != internal_f.f_opthdr) | |||
| 311 | { | |||
| 312 | bfd_release (abfd, opthdr); | |||
| 313 | return NULL((void*)0); | |||
| 314 | } | |||
| 315 | bfd_coff_swap_aouthdr_in (abfd, opthdr, (PTR) &internal_a)((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_swap_aouthdr_in) (abfd, opthdr, (void *) & internal_a)); | |||
| 316 | bfd_release (abfd, opthdr); | |||
| 317 | } | |||
| 318 | ||||
| 319 | return coff_real_object_p (abfd, nscns, &internal_f, | |||
| 320 | (internal_f.f_opthdr != 0 | |||
| 321 | ? &internal_a | |||
| 322 | : (struct internal_aouthdr *) NULL((void*)0))); | |||
| 323 | } | |||
| 324 | ||||
| 325 | /* Get the BFD section from a COFF symbol section number. */ | |||
| 326 | ||||
| 327 | asection * | |||
| 328 | coff_section_from_bfd_index (abfd, index) | |||
| 329 | bfd *abfd; | |||
| 330 | int index; | |||
| 331 | { | |||
| 332 | struct bfd_section *answer = abfd->sections; | |||
| 333 | ||||
| 334 | if (index == N_ABS((short)-1)) | |||
| 335 | return bfd_abs_section_ptr((asection *) &bfd_abs_section); | |||
| 336 | if (index == N_UNDEF((short)0)) | |||
| 337 | return bfd_und_section_ptr((asection *) &bfd_und_section); | |||
| 338 | if (index == N_DEBUG((short)-2)) | |||
| 339 | return bfd_abs_section_ptr((asection *) &bfd_abs_section); | |||
| 340 | ||||
| 341 | while (answer) | |||
| 342 | { | |||
| 343 | if (answer->target_index == index) | |||
| 344 | return answer; | |||
| 345 | answer = answer->next; | |||
| 346 | } | |||
| 347 | ||||
| 348 | /* We should not reach this point, but the SCO 3.2v4 /lib/libc_s.a | |||
| 349 | has a bad symbol table in biglitpow.o. */ | |||
| 350 | return bfd_und_section_ptr((asection *) &bfd_und_section); | |||
| 351 | } | |||
| 352 | ||||
| 353 | /* Get the upper bound of a COFF symbol table. */ | |||
| 354 | ||||
| 355 | long | |||
| 356 | coff_get_symtab_upper_bound (abfd) | |||
| 357 | bfd *abfd; | |||
| 358 | { | |||
| 359 | if (!bfd_coff_slurp_symbol_table (abfd)((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_slurp_symbol_table) (abfd))) | |||
| 360 | return -1; | |||
| 361 | ||||
| 362 | return (bfd_get_symcount (abfd)((abfd)->symcount) + 1) * (sizeof (coff_symbol_type *)); | |||
| 363 | } | |||
| 364 | ||||
| 365 | /* Canonicalize a COFF symbol table. */ | |||
| 366 | ||||
| 367 | long | |||
| 368 | coff_canonicalize_symtab (abfd, alocation) | |||
| 369 | bfd *abfd; | |||
| 370 | asymbol **alocation; | |||
| 371 | { | |||
| 372 | unsigned int counter; | |||
| 373 | coff_symbol_type *symbase; | |||
| 374 | coff_symbol_type **location = (coff_symbol_type **) alocation; | |||
| 375 | ||||
| 376 | if (!bfd_coff_slurp_symbol_table (abfd)((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_slurp_symbol_table) (abfd))) | |||
| 377 | return -1; | |||
| 378 | ||||
| 379 | symbase = obj_symbols (abfd)(((abfd)->tdata.coff_obj_data)->symbols); | |||
| 380 | counter = bfd_get_symcount (abfd)((abfd)->symcount); | |||
| 381 | while (counter-- > 0) | |||
| 382 | *location++ = symbase++; | |||
| 383 | ||||
| 384 | *location = NULL((void*)0); | |||
| 385 | ||||
| 386 | return bfd_get_symcount (abfd)((abfd)->symcount); | |||
| 387 | } | |||
| 388 | ||||
| 389 | /* Get the name of a symbol. The caller must pass in a buffer of size | |||
| 390 | >= SYMNMLEN + 1. */ | |||
| 391 | ||||
| 392 | const char * | |||
| 393 | _bfd_coff_internal_syment_name (abfd, sym, buf) | |||
| 394 | bfd *abfd; | |||
| 395 | const struct internal_syment *sym; | |||
| 396 | char *buf; | |||
| 397 | { | |||
| 398 | /* FIXME: It's not clear this will work correctly if sizeof | |||
| 399 | (_n_zeroes) != 4. */ | |||
| 400 | if (sym->_n._n_n._n_zeroes != 0 | |||
| 401 | || sym->_n._n_n._n_offset == 0) | |||
| 402 | { | |||
| 403 | memcpy (buf, sym->_n._n_name, SYMNMLEN8); | |||
| 404 | buf[SYMNMLEN8] = '\0'; | |||
| 405 | return buf; | |||
| 406 | } | |||
| 407 | else | |||
| 408 | { | |||
| 409 | const char *strings; | |||
| 410 | ||||
| 411 | BFD_ASSERT (sym->_n._n_n._n_offset >= STRING_SIZE_SIZE){ if (!(sym->_n._n_n._n_offset >= (4))) bfd_assert("/usr/src/gnu/usr.bin/binutils/bfd/coffgen.c" ,411); }; | |||
| 412 | strings = obj_coff_strings (abfd)(((abfd)->tdata.coff_obj_data)->strings); | |||
| 413 | if (strings == NULL((void*)0)) | |||
| 414 | { | |||
| 415 | strings = _bfd_coff_read_string_table (abfd); | |||
| 416 | if (strings == NULL((void*)0)) | |||
| 417 | return NULL((void*)0); | |||
| 418 | } | |||
| 419 | return strings + sym->_n._n_n._n_offset; | |||
| 420 | } | |||
| 421 | } | |||
| 422 | ||||
| 423 | /* Read in and swap the relocs. This returns a buffer holding the | |||
| 424 | relocs for section SEC in file ABFD. If CACHE is TRUE and | |||
| 425 | INTERNAL_RELOCS is NULL, the relocs read in will be saved in case | |||
| 426 | the function is called again. If EXTERNAL_RELOCS is not NULL, it | |||
| 427 | is a buffer large enough to hold the unswapped relocs. If | |||
| 428 | INTERNAL_RELOCS is not NULL, it is a buffer large enough to hold | |||
| 429 | the swapped relocs. If REQUIRE_INTERNAL is TRUE, then the return | |||
| 430 | value must be INTERNAL_RELOCS. The function returns NULL on error. */ | |||
| 431 | ||||
| 432 | struct internal_reloc * | |||
| 433 | _bfd_coff_read_internal_relocs (abfd, sec, cache, external_relocs, | |||
| 434 | require_internal, internal_relocs) | |||
| 435 | bfd *abfd; | |||
| 436 | asection *sec; | |||
| 437 | bfd_boolean cache; | |||
| 438 | bfd_byte *external_relocs; | |||
| 439 | bfd_boolean require_internal; | |||
| 440 | struct internal_reloc *internal_relocs; | |||
| 441 | { | |||
| 442 | bfd_size_type relsz; | |||
| 443 | bfd_byte *free_external = NULL((void*)0); | |||
| 444 | struct internal_reloc *free_internal = NULL((void*)0); | |||
| 445 | bfd_byte *erel; | |||
| 446 | bfd_byte *erel_end; | |||
| 447 | struct internal_reloc *irel; | |||
| 448 | bfd_size_type amt; | |||
| 449 | ||||
| 450 | if (coff_section_data (abfd, sec)((struct coff_section_tdata *) (sec)->used_by_bfd) != NULL((void*)0) | |||
| 451 | && coff_section_data (abfd, sec)((struct coff_section_tdata *) (sec)->used_by_bfd)->relocs != NULL((void*)0)) | |||
| 452 | { | |||
| 453 | if (! require_internal) | |||
| 454 | return coff_section_data (abfd, sec)((struct coff_section_tdata *) (sec)->used_by_bfd)->relocs; | |||
| 455 | memcpy (internal_relocs, coff_section_data (abfd, sec)((struct coff_section_tdata *) (sec)->used_by_bfd)->relocs, | |||
| 456 | sec->reloc_count * sizeof (struct internal_reloc)); | |||
| 457 | return internal_relocs; | |||
| 458 | } | |||
| 459 | ||||
| 460 | relsz = bfd_coff_relsz (abfd)(((bfd_coff_backend_data *) (abfd)->xvec->backend_data) ->_bfd_relsz); | |||
| 461 | ||||
| 462 | amt = sec->reloc_count * relsz; | |||
| 463 | if (external_relocs == NULL((void*)0)) | |||
| 464 | { | |||
| 465 | free_external = (bfd_byte *) bfd_malloc (amt); | |||
| 466 | if (free_external == NULL((void*)0) && sec->reloc_count > 0) | |||
| 467 | goto error_return; | |||
| 468 | external_relocs = free_external; | |||
| 469 | } | |||
| 470 | ||||
| 471 | if (bfd_seek (abfd, sec->rel_filepos, SEEK_SET0) != 0 | |||
| 472 | || bfd_bread (external_relocs, amt, abfd) != amt) | |||
| 473 | goto error_return; | |||
| 474 | ||||
| 475 | if (internal_relocs == NULL((void*)0)) | |||
| 476 | { | |||
| 477 | amt = sec->reloc_count; | |||
| 478 | amt *= sizeof (struct internal_reloc); | |||
| 479 | free_internal = (struct internal_reloc *) bfd_malloc (amt); | |||
| 480 | if (free_internal == NULL((void*)0) && sec->reloc_count > 0) | |||
| 481 | goto error_return; | |||
| 482 | internal_relocs = free_internal; | |||
| 483 | } | |||
| 484 | ||||
| 485 | /* Swap in the relocs. */ | |||
| 486 | erel = external_relocs; | |||
| 487 | erel_end = erel + relsz * sec->reloc_count; | |||
| 488 | irel = internal_relocs; | |||
| 489 | for (; erel < erel_end; erel += relsz, irel++) | |||
| 490 | bfd_coff_swap_reloc_in (abfd, (PTR) erel, (PTR) irel)((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_swap_reloc_in) (abfd, (void *) erel, (void *) irel)); | |||
| 491 | ||||
| 492 | if (free_external != NULL((void*)0)) | |||
| 493 | { | |||
| 494 | free (free_external); | |||
| 495 | free_external = NULL((void*)0); | |||
| 496 | } | |||
| 497 | ||||
| 498 | if (cache && free_internal != NULL((void*)0)) | |||
| 499 | { | |||
| 500 | if (coff_section_data (abfd, sec)((struct coff_section_tdata *) (sec)->used_by_bfd) == NULL((void*)0)) | |||
| 501 | { | |||
| 502 | amt = sizeof (struct coff_section_tdata); | |||
| 503 | sec->used_by_bfd = (PTRvoid *) bfd_zalloc (abfd, amt); | |||
| 504 | if (sec->used_by_bfd == NULL((void*)0)) | |||
| 505 | goto error_return; | |||
| 506 | coff_section_data (abfd, sec)((struct coff_section_tdata *) (sec)->used_by_bfd)->contents = NULL((void*)0); | |||
| 507 | } | |||
| 508 | coff_section_data (abfd, sec)((struct coff_section_tdata *) (sec)->used_by_bfd)->relocs = free_internal; | |||
| 509 | } | |||
| 510 | ||||
| 511 | return internal_relocs; | |||
| 512 | ||||
| 513 | error_return: | |||
| 514 | if (free_external != NULL((void*)0)) | |||
| 515 | free (free_external); | |||
| 516 | if (free_internal != NULL((void*)0)) | |||
| 517 | free (free_internal); | |||
| 518 | return NULL((void*)0); | |||
| 519 | } | |||
| 520 | ||||
| 521 | /* Set lineno_count for the output sections of a COFF file. */ | |||
| 522 | ||||
| 523 | int | |||
| 524 | coff_count_linenumbers (abfd) | |||
| 525 | bfd *abfd; | |||
| 526 | { | |||
| 527 | unsigned int limit = bfd_get_symcount (abfd)((abfd)->symcount); | |||
| 528 | unsigned int i; | |||
| 529 | int total = 0; | |||
| 530 | asymbol **p; | |||
| 531 | asection *s; | |||
| 532 | ||||
| 533 | if (limit == 0) | |||
| 534 | { | |||
| 535 | /* This may be from the backend linker, in which case the | |||
| 536 | lineno_count in the sections is correct. */ | |||
| 537 | for (s = abfd->sections; s != NULL((void*)0); s = s->next) | |||
| 538 | total += s->lineno_count; | |||
| 539 | return total; | |||
| 540 | } | |||
| 541 | ||||
| 542 | for (s = abfd->sections; s != NULL((void*)0); s = s->next) | |||
| 543 | BFD_ASSERT (s->lineno_count == 0){ if (!(s->lineno_count == 0)) bfd_assert("/usr/src/gnu/usr.bin/binutils/bfd/coffgen.c" ,543); }; | |||
| 544 | ||||
| 545 | for (p = abfd->outsymbols, i = 0; i < limit; i++, p++) | |||
| 546 | { | |||
| 547 | asymbol *q_maybe = *p; | |||
| 548 | ||||
| 549 | if (bfd_family_coff (bfd_asymbol_bfd (q_maybe))(((((q_maybe)->the_bfd))->xvec->flavour) == bfd_target_coff_flavour || ((((q_maybe)->the_bfd))->xvec->flavour) == bfd_target_xcoff_flavour )) | |||
| 550 | { | |||
| 551 | coff_symbol_type *q = coffsymbol (q_maybe)((coff_symbol_type *)(&((q_maybe)->the_bfd))); | |||
| 552 | ||||
| 553 | /* The AIX 4.1 compiler can sometimes generate line numbers | |||
| 554 | attached to debugging symbols. We try to simply ignore | |||
| 555 | those here. */ | |||
| 556 | if (q->lineno != NULL((void*)0) | |||
| 557 | && q->symbol.section->owner != NULL((void*)0)) | |||
| 558 | { | |||
| 559 | /* This symbol has line numbers. Increment the owning | |||
| 560 | section's linenumber count. */ | |||
| 561 | alent *l = q->lineno; | |||
| 562 | ||||
| 563 | do | |||
| 564 | { | |||
| 565 | asection * sec = q->symbol.section->output_section; | |||
| 566 | ||||
| 567 | /* Do not try to update fields in read-only sections. */ | |||
| 568 | if (! bfd_is_const_section (sec)( ((sec) == ((asection *) &bfd_abs_section)) || ((sec) == ((asection *) &bfd_und_section)) || ((sec) == ((asection *) &bfd_com_section)) || ((sec) == ((asection *) &bfd_ind_section )))) | |||
| 569 | sec->lineno_count ++; | |||
| 570 | ||||
| 571 | ++total; | |||
| 572 | ++l; | |||
| 573 | } | |||
| 574 | while (l->line_number != 0); | |||
| 575 | } | |||
| 576 | } | |||
| 577 | } | |||
| 578 | ||||
| 579 | return total; | |||
| 580 | } | |||
| 581 | ||||
| 582 | /* Takes a bfd and a symbol, returns a pointer to the coff specific | |||
| 583 | area of the symbol if there is one. */ | |||
| 584 | ||||
| 585 | coff_symbol_type * | |||
| 586 | coff_symbol_from (ignore_abfd, symbol) | |||
| 587 | bfd *ignore_abfd ATTRIBUTE_UNUSED__attribute__ ((__unused__)); | |||
| 588 | asymbol *symbol; | |||
| 589 | { | |||
| 590 | if (!bfd_family_coff (bfd_asymbol_bfd (symbol))(((((symbol)->the_bfd))->xvec->flavour) == bfd_target_coff_flavour || ((((symbol)->the_bfd))->xvec->flavour) == bfd_target_xcoff_flavour )) | |||
| 591 | return (coff_symbol_type *) NULL((void*)0); | |||
| 592 | ||||
| 593 | if (bfd_asymbol_bfd (symbol)((symbol)->the_bfd)->tdata.coff_obj_data == (coff_data_type *) NULL((void*)0)) | |||
| 594 | return (coff_symbol_type *) NULL((void*)0); | |||
| 595 | ||||
| 596 | return (coff_symbol_type *) symbol; | |||
| 597 | } | |||
| 598 | ||||
| 599 | static void | |||
| 600 | fixup_symbol_value (abfd, coff_symbol_ptr, syment) | |||
| 601 | bfd *abfd; | |||
| 602 | coff_symbol_type *coff_symbol_ptr; | |||
| 603 | struct internal_syment *syment; | |||
| 604 | { | |||
| 605 | ||||
| 606 | /* Normalize the symbol flags */ | |||
| 607 | if (bfd_is_com_section (coff_symbol_ptr->symbol.section)(((coff_symbol_ptr->symbol.section)->flags & 0x8000 ) != 0)) | |||
| 608 | { | |||
| 609 | /* a common symbol is undefined with a value */ | |||
| 610 | syment->n_scnum = N_UNDEF((short)0); | |||
| 611 | syment->n_value = coff_symbol_ptr->symbol.value; | |||
| 612 | } | |||
| 613 | else if ((coff_symbol_ptr->symbol.flags & BSF_DEBUGGING0x08) != 0 | |||
| 614 | && (coff_symbol_ptr->symbol.flags & BSF_DEBUGGING_RELOC0x20000) == 0) | |||
| 615 | { | |||
| 616 | syment->n_value = coff_symbol_ptr->symbol.value; | |||
| 617 | } | |||
| 618 | else if (bfd_is_und_section (coff_symbol_ptr->symbol.section)((coff_symbol_ptr->symbol.section) == ((asection *) &bfd_und_section ))) | |||
| 619 | { | |||
| 620 | syment->n_scnum = N_UNDEF((short)0); | |||
| 621 | syment->n_value = 0; | |||
| 622 | } | |||
| 623 | /* FIXME: Do we need to handle the absolute section here? */ | |||
| 624 | else | |||
| 625 | { | |||
| 626 | if (coff_symbol_ptr->symbol.section) | |||
| 627 | { | |||
| 628 | syment->n_scnum = | |||
| 629 | coff_symbol_ptr->symbol.section->output_section->target_index; | |||
| 630 | ||||
| 631 | syment->n_value = (coff_symbol_ptr->symbol.value | |||
| 632 | + coff_symbol_ptr->symbol.section->output_offset); | |||
| 633 | if (! obj_pe (abfd)(((abfd)->tdata.coff_obj_data)->pe)) | |||
| 634 | { | |||
| 635 | syment->n_value += (syment->n_sclass == C_STATLAB20) | |||
| 636 | ? coff_symbol_ptr->symbol.section->output_section->lma | |||
| 637 | : coff_symbol_ptr->symbol.section->output_section->vma; | |||
| 638 | } | |||
| 639 | } | |||
| 640 | else | |||
| 641 | { | |||
| 642 | BFD_ASSERT (0){ if (!(0)) bfd_assert("/usr/src/gnu/usr.bin/binutils/bfd/coffgen.c" ,642); }; | |||
| 643 | /* This can happen, but I don't know why yet (steve@cygnus.com) */ | |||
| 644 | syment->n_scnum = N_ABS((short)-1); | |||
| 645 | syment->n_value = coff_symbol_ptr->symbol.value; | |||
| 646 | } | |||
| 647 | } | |||
| 648 | } | |||
| 649 | ||||
| 650 | /* Run through all the symbols in the symbol table and work out what | |||
| 651 | their indexes into the symbol table will be when output. | |||
| 652 | ||||
| 653 | Coff requires that each C_FILE symbol points to the next one in the | |||
| 654 | chain, and that the last one points to the first external symbol. We | |||
| 655 | do that here too. */ | |||
| 656 | ||||
| 657 | bfd_boolean | |||
| 658 | coff_renumber_symbols (bfd_ptr, first_undef) | |||
| 659 | bfd *bfd_ptr; | |||
| 660 | int *first_undef; | |||
| 661 | { | |||
| 662 | unsigned int symbol_count = bfd_get_symcount (bfd_ptr)((bfd_ptr)->symcount); | |||
| 663 | asymbol **symbol_ptr_ptr = bfd_ptr->outsymbols; | |||
| 664 | unsigned int native_index = 0; | |||
| 665 | struct internal_syment *last_file = (struct internal_syment *) NULL((void*)0); | |||
| 666 | unsigned int symbol_index; | |||
| 667 | ||||
| 668 | /* COFF demands that undefined symbols come after all other symbols. | |||
| 669 | Since we don't need to impose this extra knowledge on all our | |||
| 670 | client programs, deal with that here. Sort the symbol table; | |||
| 671 | just move the undefined symbols to the end, leaving the rest | |||
| 672 | alone. The O'Reilly book says that defined global symbols come | |||
| 673 | at the end before the undefined symbols, so we do that here as | |||
| 674 | well. */ | |||
| 675 | /* @@ Do we have some condition we could test for, so we don't always | |||
| 676 | have to do this? I don't think relocatability is quite right, but | |||
| 677 | I'm not certain. [raeburn:19920508.1711EST] */ | |||
| 678 | { | |||
| 679 | asymbol **newsyms; | |||
| 680 | unsigned int i; | |||
| 681 | bfd_size_type amt; | |||
| 682 | ||||
| 683 | amt = sizeof (asymbol *) * ((bfd_size_type) symbol_count + 1); | |||
| 684 | newsyms = (asymbol **) bfd_alloc (bfd_ptr, amt); | |||
| 685 | if (!newsyms) | |||
| 686 | return FALSE0; | |||
| 687 | bfd_ptr->outsymbols = newsyms; | |||
| 688 | for (i = 0; i < symbol_count; i++) | |||
| 689 | if ((symbol_ptr_ptr[i]->flags & BSF_NOT_AT_END0x400) != 0 | |||
| 690 | || (!bfd_is_und_section (symbol_ptr_ptr[i]->section)((symbol_ptr_ptr[i]->section) == ((asection *) &bfd_und_section )) | |||
| 691 | && !bfd_is_com_section (symbol_ptr_ptr[i]->section)(((symbol_ptr_ptr[i]->section)->flags & 0x8000) != 0 ) | |||
| 692 | && ((symbol_ptr_ptr[i]->flags & BSF_FUNCTION0x10) != 0 | |||
| 693 | || ((symbol_ptr_ptr[i]->flags & (BSF_GLOBAL0x02 | BSF_WEAK0x80)) | |||
| 694 | == 0)))) | |||
| 695 | *newsyms++ = symbol_ptr_ptr[i]; | |||
| 696 | ||||
| 697 | for (i = 0; i < symbol_count; i++) | |||
| 698 | if ((symbol_ptr_ptr[i]->flags & BSF_NOT_AT_END0x400) == 0 | |||
| 699 | && !bfd_is_und_section (symbol_ptr_ptr[i]->section)((symbol_ptr_ptr[i]->section) == ((asection *) &bfd_und_section )) | |||
| 700 | && (bfd_is_com_section (symbol_ptr_ptr[i]->section)(((symbol_ptr_ptr[i]->section)->flags & 0x8000) != 0 ) | |||
| 701 | || ((symbol_ptr_ptr[i]->flags & BSF_FUNCTION0x10) == 0 | |||
| 702 | && ((symbol_ptr_ptr[i]->flags & (BSF_GLOBAL0x02 | BSF_WEAK0x80)) | |||
| 703 | != 0)))) | |||
| 704 | *newsyms++ = symbol_ptr_ptr[i]; | |||
| 705 | ||||
| 706 | *first_undef = newsyms - bfd_ptr->outsymbols; | |||
| 707 | ||||
| 708 | for (i = 0; i < symbol_count; i++) | |||
| 709 | if ((symbol_ptr_ptr[i]->flags & BSF_NOT_AT_END0x400) == 0 | |||
| 710 | && bfd_is_und_section (symbol_ptr_ptr[i]->section)((symbol_ptr_ptr[i]->section) == ((asection *) &bfd_und_section ))) | |||
| 711 | *newsyms++ = symbol_ptr_ptr[i]; | |||
| 712 | *newsyms = (asymbol *) NULL((void*)0); | |||
| 713 | symbol_ptr_ptr = bfd_ptr->outsymbols; | |||
| 714 | } | |||
| 715 | ||||
| 716 | for (symbol_index = 0; symbol_index < symbol_count; symbol_index++) | |||
| 717 | { | |||
| 718 | coff_symbol_type *coff_symbol_ptr = coff_symbol_from (bfd_ptr, symbol_ptr_ptr[symbol_index]); | |||
| 719 | symbol_ptr_ptr[symbol_index]->udata.i = symbol_index; | |||
| 720 | if (coff_symbol_ptr && coff_symbol_ptr->native) | |||
| 721 | { | |||
| 722 | combined_entry_type *s = coff_symbol_ptr->native; | |||
| 723 | int i; | |||
| 724 | ||||
| 725 | if (s->u.syment.n_sclass == C_FILE103) | |||
| 726 | { | |||
| 727 | if (last_file != (struct internal_syment *) NULL((void*)0)) | |||
| 728 | last_file->n_value = native_index; | |||
| 729 | last_file = &(s->u.syment); | |||
| 730 | } | |||
| 731 | else | |||
| 732 | { | |||
| 733 | ||||
| 734 | /* Modify the symbol values according to their section and | |||
| 735 | type */ | |||
| 736 | ||||
| 737 | fixup_symbol_value (bfd_ptr, coff_symbol_ptr, &(s->u.syment)); | |||
| 738 | } | |||
| 739 | for (i = 0; i < s->u.syment.n_numaux + 1; i++) | |||
| 740 | s[i].offset = native_index++; | |||
| 741 | } | |||
| 742 | else | |||
| 743 | { | |||
| 744 | native_index++; | |||
| 745 | } | |||
| 746 | } | |||
| 747 | obj_conv_table_size (bfd_ptr)(((bfd_ptr)->tdata.coff_obj_data)->conv_table_size) = native_index; | |||
| 748 | ||||
| 749 | return TRUE1; | |||
| 750 | } | |||
| 751 | ||||
| 752 | /* Run thorough the symbol table again, and fix it so that all | |||
| 753 | pointers to entries are changed to the entries' index in the output | |||
| 754 | symbol table. */ | |||
| 755 | ||||
| 756 | void | |||
| 757 | coff_mangle_symbols (bfd_ptr) | |||
| 758 | bfd *bfd_ptr; | |||
| 759 | { | |||
| 760 | unsigned int symbol_count = bfd_get_symcount (bfd_ptr)((bfd_ptr)->symcount); | |||
| 761 | asymbol **symbol_ptr_ptr = bfd_ptr->outsymbols; | |||
| 762 | unsigned int symbol_index; | |||
| 763 | ||||
| 764 | for (symbol_index = 0; symbol_index < symbol_count; symbol_index++) | |||
| 765 | { | |||
| 766 | coff_symbol_type *coff_symbol_ptr = | |||
| 767 | coff_symbol_from (bfd_ptr, symbol_ptr_ptr[symbol_index]); | |||
| 768 | ||||
| 769 | if (coff_symbol_ptr && coff_symbol_ptr->native) | |||
| 770 | { | |||
| 771 | int i; | |||
| 772 | combined_entry_type *s = coff_symbol_ptr->native; | |||
| 773 | ||||
| 774 | if (s->fix_value) | |||
| 775 | { | |||
| 776 | /* FIXME: We should use a union here. */ | |||
| 777 | s->u.syment.n_value = | |||
| 778 | (bfd_vma)((combined_entry_type *) | |||
| 779 | ((unsigned long) s->u.syment.n_value))->offset; | |||
| 780 | s->fix_value = 0; | |||
| 781 | } | |||
| 782 | if (s->fix_line) | |||
| 783 | { | |||
| 784 | /* The value is the offset into the line number entries | |||
| 785 | for the symbol's section. On output, the symbol's | |||
| 786 | section should be N_DEBUG. */ | |||
| 787 | s->u.syment.n_value = | |||
| 788 | (coff_symbol_ptr->symbol.section->output_section->line_filepos | |||
| 789 | + s->u.syment.n_value * bfd_coff_linesz (bfd_ptr)(((bfd_coff_backend_data *) (bfd_ptr)->xvec->backend_data )->_bfd_linesz)); | |||
| 790 | coff_symbol_ptr->symbol.section = | |||
| 791 | coff_section_from_bfd_index (bfd_ptr, N_DEBUG((short)-2)); | |||
| 792 | BFD_ASSERT (coff_symbol_ptr->symbol.flags & BSF_DEBUGGING){ if (!(coff_symbol_ptr->symbol.flags & 0x08)) bfd_assert ("/usr/src/gnu/usr.bin/binutils/bfd/coffgen.c",792); }; | |||
| 793 | } | |||
| 794 | for (i = 0; i < s->u.syment.n_numaux; i++) | |||
| 795 | { | |||
| 796 | combined_entry_type *a = s + i + 1; | |||
| 797 | if (a->fix_tag) | |||
| 798 | { | |||
| 799 | a->u.auxent.x_sym.x_tagndx.l = | |||
| 800 | a->u.auxent.x_sym.x_tagndx.p->offset; | |||
| 801 | a->fix_tag = 0; | |||
| 802 | } | |||
| 803 | if (a->fix_end) | |||
| 804 | { | |||
| 805 | a->u.auxent.x_sym.x_fcnary.x_fcn.x_endndx.l = | |||
| 806 | a->u.auxent.x_sym.x_fcnary.x_fcn.x_endndx.p->offset; | |||
| 807 | a->fix_end = 0; | |||
| 808 | } | |||
| 809 | if (a->fix_scnlen) | |||
| 810 | { | |||
| 811 | a->u.auxent.x_csect.x_scnlen.l = | |||
| 812 | a->u.auxent.x_csect.x_scnlen.p->offset; | |||
| 813 | a->fix_scnlen = 0; | |||
| 814 | } | |||
| 815 | } | |||
| 816 | } | |||
| 817 | } | |||
| 818 | } | |||
| 819 | ||||
| 820 | static void | |||
| 821 | coff_fix_symbol_name (abfd, symbol, native, string_size_p, | |||
| 822 | debug_string_section_p, debug_string_size_p) | |||
| 823 | bfd *abfd; | |||
| 824 | asymbol *symbol; | |||
| 825 | combined_entry_type *native; | |||
| 826 | bfd_size_type *string_size_p; | |||
| 827 | asection **debug_string_section_p; | |||
| 828 | bfd_size_type *debug_string_size_p; | |||
| 829 | { | |||
| 830 | unsigned int name_length; | |||
| 831 | union internal_auxent *auxent; | |||
| 832 | char *name = (char *) (symbol->name); | |||
| 833 | ||||
| 834 | if (name == (char *) NULL((void*)0)) | |||
| 835 | { | |||
| 836 | /* coff symbols always have names, so we'll make one up */ | |||
| 837 | symbol->name = "strange"; | |||
| 838 | name = (char *) symbol->name; | |||
| 839 | } | |||
| 840 | name_length = strlen (name); | |||
| 841 | ||||
| 842 | if (native->u.syment.n_sclass == C_FILE103 | |||
| 843 | && native->u.syment.n_numaux > 0) | |||
| 844 | { | |||
| 845 | unsigned int filnmlen; | |||
| 846 | ||||
| 847 | if (bfd_coff_force_symnames_in_strings (abfd)(((bfd_coff_backend_data *) (abfd)->xvec->backend_data) ->_bfd_coff_force_symnames_in_strings)) | |||
| 848 | { | |||
| 849 | native->u.syment._n._n_n._n_offset = | |||
| 850 | (*string_size_p + STRING_SIZE_SIZE(4)); | |||
| 851 | native->u.syment._n._n_n._n_zeroes = 0; | |||
| 852 | *string_size_p += 6; /* strlen(".file") + 1 */ | |||
| 853 | } | |||
| 854 | else | |||
| 855 | strncpy (native->u.syment._n._n_name, ".file", SYMNMLEN8); | |||
| 856 | ||||
| 857 | auxent = &(native + 1)->u.auxent; | |||
| 858 | ||||
| 859 | filnmlen = bfd_coff_filnmlen (abfd)(((bfd_coff_backend_data *) (abfd)->xvec->backend_data) ->_bfd_filnmlen); | |||
| 860 | ||||
| 861 | if (bfd_coff_long_filenames (abfd)(((bfd_coff_backend_data *) (abfd)->xvec->backend_data) ->_bfd_coff_long_filenames)) | |||
| 862 | { | |||
| 863 | if (name_length <= filnmlen) | |||
| 864 | { | |||
| 865 | strncpy (auxent->x_file.x_fname, name, filnmlen); | |||
| 866 | } | |||
| 867 | else | |||
| 868 | { | |||
| 869 | auxent->x_file.x_n.x_offset = *string_size_p + STRING_SIZE_SIZE(4); | |||
| 870 | auxent->x_file.x_n.x_zeroes = 0; | |||
| 871 | *string_size_p += name_length + 1; | |||
| 872 | } | |||
| 873 | } | |||
| 874 | else | |||
| 875 | { | |||
| 876 | strncpy (auxent->x_file.x_fname, name, filnmlen); | |||
| 877 | if (name_length > filnmlen) | |||
| 878 | name[filnmlen] = '\0'; | |||
| 879 | } | |||
| 880 | } | |||
| 881 | else | |||
| 882 | { | |||
| 883 | if (name_length <= SYMNMLEN8 && !bfd_coff_force_symnames_in_strings (abfd)(((bfd_coff_backend_data *) (abfd)->xvec->backend_data) ->_bfd_coff_force_symnames_in_strings)) | |||
| 884 | { | |||
| 885 | /* This name will fit into the symbol neatly */ | |||
| 886 | strncpy (native->u.syment._n._n_name, symbol->name, SYMNMLEN8); | |||
| 887 | } | |||
| 888 | else if (!bfd_coff_symname_in_debug (abfd, &native->u.syment)((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_symname_in_debug) (abfd, &native->u.syment ))) | |||
| 889 | { | |||
| 890 | native->u.syment._n._n_n._n_offset = (*string_size_p | |||
| 891 | + STRING_SIZE_SIZE(4)); | |||
| 892 | native->u.syment._n._n_n._n_zeroes = 0; | |||
| 893 | *string_size_p += name_length + 1; | |||
| 894 | } | |||
| 895 | else | |||
| 896 | { | |||
| 897 | file_ptr filepos; | |||
| 898 | bfd_byte buf[4]; | |||
| 899 | int prefix_len = bfd_coff_debug_string_prefix_length (abfd)(((bfd_coff_backend_data *) (abfd)->xvec->backend_data) ->_bfd_coff_debug_string_prefix_length); | |||
| 900 | ||||
| 901 | /* This name should be written into the .debug section. For | |||
| 902 | some reason each name is preceded by a two byte length | |||
| 903 | and also followed by a null byte. FIXME: We assume that | |||
| 904 | the .debug section has already been created, and that it | |||
| 905 | is large enough. */ | |||
| 906 | if (*debug_string_section_p == (asection *) NULL((void*)0)) | |||
| 907 | *debug_string_section_p = bfd_get_section_by_name (abfd, ".debug"); | |||
| 908 | filepos = bfd_tell (abfd); | |||
| 909 | if (prefix_len == 4) | |||
| 910 | bfd_put_32 (abfd, (bfd_vma) (name_length + 1), buf)((*((abfd)->xvec->bfd_putx32)) (((bfd_vma) (name_length + 1)),(buf))); | |||
| 911 | else | |||
| 912 | bfd_put_16 (abfd, (bfd_vma) (name_length + 1), buf)((*((abfd)->xvec->bfd_putx16)) (((bfd_vma) (name_length + 1)),(buf))); | |||
| 913 | ||||
| 914 | if (!bfd_set_section_contents (abfd, | |||
| 915 | *debug_string_section_p, | |||
| 916 | (PTRvoid *) buf, | |||
| 917 | (file_ptr) *debug_string_size_p, | |||
| 918 | (bfd_size_type) prefix_len) | |||
| 919 | || !bfd_set_section_contents (abfd, | |||
| 920 | *debug_string_section_p, | |||
| 921 | (PTRvoid *) symbol->name, | |||
| 922 | (file_ptr) (*debug_string_size_p | |||
| 923 | + prefix_len), | |||
| 924 | (bfd_size_type) name_length + 1)) | |||
| 925 | abort ()_bfd_abort ("/usr/src/gnu/usr.bin/binutils/bfd/coffgen.c", 925 , __PRETTY_FUNCTION__); | |||
| 926 | if (bfd_seek (abfd, filepos, SEEK_SET0) != 0) | |||
| 927 | abort ()_bfd_abort ("/usr/src/gnu/usr.bin/binutils/bfd/coffgen.c", 927 , __PRETTY_FUNCTION__); | |||
| 928 | native->u.syment._n._n_n._n_offset = | |||
| 929 | *debug_string_size_p + prefix_len; | |||
| 930 | native->u.syment._n._n_n._n_zeroes = 0; | |||
| 931 | *debug_string_size_p += name_length + 1 + prefix_len; | |||
| 932 | } | |||
| 933 | } | |||
| 934 | } | |||
| 935 | ||||
| 936 | /* We need to keep track of the symbol index so that when we write out | |||
| 937 | the relocs we can get the index for a symbol. This method is a | |||
| 938 | hack. FIXME. */ | |||
| 939 | ||||
| 940 | #define set_index(symbol, idx)((symbol)->udata.i = (idx)) ((symbol)->udata.i = (idx)) | |||
| 941 | ||||
| 942 | /* Write a symbol out to a COFF file. */ | |||
| 943 | ||||
| 944 | static bfd_boolean | |||
| 945 | coff_write_symbol (abfd, symbol, native, written, string_size_p, | |||
| 946 | debug_string_section_p, debug_string_size_p) | |||
| 947 | bfd *abfd; | |||
| 948 | asymbol *symbol; | |||
| 949 | combined_entry_type *native; | |||
| 950 | bfd_vma *written; | |||
| 951 | bfd_size_type *string_size_p; | |||
| 952 | asection **debug_string_section_p; | |||
| 953 | bfd_size_type *debug_string_size_p; | |||
| 954 | { | |||
| 955 | unsigned int numaux = native->u.syment.n_numaux; | |||
| 956 | int type = native->u.syment.n_type; | |||
| 957 | int class = native->u.syment.n_sclass; | |||
| 958 | PTRvoid * buf; | |||
| 959 | bfd_size_type symesz; | |||
| 960 | ||||
| 961 | if (native->u.syment.n_sclass == C_FILE103) | |||
| 962 | symbol->flags |= BSF_DEBUGGING0x08; | |||
| 963 | ||||
| 964 | if (symbol->flags & BSF_DEBUGGING0x08 | |||
| 965 | && bfd_is_abs_section (symbol->section)((symbol->section) == ((asection *) &bfd_abs_section))) | |||
| 966 | { | |||
| 967 | native->u.syment.n_scnum = N_DEBUG((short)-2); | |||
| 968 | } | |||
| 969 | else if (bfd_is_abs_section (symbol->section)((symbol->section) == ((asection *) &bfd_abs_section))) | |||
| 970 | { | |||
| 971 | native->u.syment.n_scnum = N_ABS((short)-1); | |||
| 972 | } | |||
| 973 | else if (bfd_is_und_section (symbol->section)((symbol->section) == ((asection *) &bfd_und_section))) | |||
| 974 | { | |||
| 975 | native->u.syment.n_scnum = N_UNDEF((short)0); | |||
| 976 | } | |||
| 977 | else | |||
| 978 | { | |||
| 979 | native->u.syment.n_scnum = | |||
| 980 | symbol->section->output_section->target_index; | |||
| 981 | } | |||
| 982 | ||||
| 983 | coff_fix_symbol_name (abfd, symbol, native, string_size_p, | |||
| 984 | debug_string_section_p, debug_string_size_p); | |||
| 985 | ||||
| 986 | symesz = bfd_coff_symesz (abfd)(((bfd_coff_backend_data *) (abfd)->xvec->backend_data) ->_bfd_symesz); | |||
| 987 | buf = bfd_alloc (abfd, symesz); | |||
| 988 | if (!buf) | |||
| 989 | return FALSE0; | |||
| 990 | bfd_coff_swap_sym_out (abfd, &native->u.syment, buf)((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_swap_sym_out) (abfd, &native->u.syment , buf)); | |||
| 991 | if (bfd_bwrite (buf, symesz, abfd) != symesz) | |||
| 992 | return FALSE0; | |||
| 993 | bfd_release (abfd, buf); | |||
| 994 | ||||
| 995 | if (native->u.syment.n_numaux > 0) | |||
| 996 | { | |||
| 997 | bfd_size_type auxesz; | |||
| 998 | unsigned int j; | |||
| 999 | ||||
| 1000 | auxesz = bfd_coff_auxesz (abfd)(((bfd_coff_backend_data *) (abfd)->xvec->backend_data) ->_bfd_auxesz); | |||
| 1001 | buf = bfd_alloc (abfd, auxesz); | |||
| 1002 | if (!buf) | |||
| 1003 | return FALSE0; | |||
| 1004 | for (j = 0; j < native->u.syment.n_numaux; j++) | |||
| 1005 | { | |||
| 1006 | bfd_coff_swap_aux_out (abfd,((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_swap_aux_out) (abfd,&((native + j + 1)-> u.auxent),type,class,(int) j,native->u.syment.n_numaux,buf )) | |||
| 1007 | &((native + j + 1)->u.auxent),((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_swap_aux_out) (abfd,&((native + j + 1)-> u.auxent),type,class,(int) j,native->u.syment.n_numaux,buf )) | |||
| 1008 | type,((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_swap_aux_out) (abfd,&((native + j + 1)-> u.auxent),type,class,(int) j,native->u.syment.n_numaux,buf )) | |||
| 1009 | class,((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_swap_aux_out) (abfd,&((native + j + 1)-> u.auxent),type,class,(int) j,native->u.syment.n_numaux,buf )) | |||
| 1010 | (int) j,((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_swap_aux_out) (abfd,&((native + j + 1)-> u.auxent),type,class,(int) j,native->u.syment.n_numaux,buf )) | |||
| 1011 | native->u.syment.n_numaux,((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_swap_aux_out) (abfd,&((native + j + 1)-> u.auxent),type,class,(int) j,native->u.syment.n_numaux,buf )) | |||
| 1012 | buf)((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_swap_aux_out) (abfd,&((native + j + 1)-> u.auxent),type,class,(int) j,native->u.syment.n_numaux,buf )); | |||
| 1013 | if (bfd_bwrite (buf, auxesz, abfd) != auxesz) | |||
| 1014 | return FALSE0; | |||
| 1015 | } | |||
| 1016 | bfd_release (abfd, buf); | |||
| 1017 | } | |||
| 1018 | ||||
| 1019 | /* Store the index for use when we write out the relocs. */ | |||
| 1020 | set_index (symbol, *written)((symbol)->udata.i = (*written)); | |||
| 1021 | ||||
| 1022 | *written += numaux + 1; | |||
| 1023 | return TRUE1; | |||
| 1024 | } | |||
| 1025 | ||||
| 1026 | /* Write out a symbol to a COFF file that does not come from a COFF | |||
| 1027 | file originally. This symbol may have been created by the linker, | |||
| 1028 | or we may be linking a non COFF file to a COFF file. */ | |||
| 1029 | ||||
| 1030 | static bfd_boolean | |||
| 1031 | coff_write_alien_symbol (abfd, symbol, written, string_size_p, | |||
| 1032 | debug_string_section_p, debug_string_size_p) | |||
| 1033 | bfd *abfd; | |||
| 1034 | asymbol *symbol; | |||
| 1035 | bfd_vma *written; | |||
| 1036 | bfd_size_type *string_size_p; | |||
| 1037 | asection **debug_string_section_p; | |||
| 1038 | bfd_size_type *debug_string_size_p; | |||
| 1039 | { | |||
| 1040 | combined_entry_type *native; | |||
| 1041 | combined_entry_type dummy; | |||
| 1042 | ||||
| 1043 | native = &dummy; | |||
| 1044 | native->u.syment.n_type = T_NULL0; | |||
| 1045 | native->u.syment.n_flags = 0; | |||
| 1046 | if (bfd_is_und_section (symbol->section)((symbol->section) == ((asection *) &bfd_und_section))) | |||
| 1047 | { | |||
| 1048 | native->u.syment.n_scnum = N_UNDEF((short)0); | |||
| 1049 | native->u.syment.n_value = symbol->value; | |||
| 1050 | } | |||
| 1051 | else if (bfd_is_com_section (symbol->section)(((symbol->section)->flags & 0x8000) != 0)) | |||
| 1052 | { | |||
| 1053 | native->u.syment.n_scnum = N_UNDEF((short)0); | |||
| 1054 | native->u.syment.n_value = symbol->value; | |||
| 1055 | } | |||
| 1056 | else if (symbol->flags & BSF_DEBUGGING0x08) | |||
| 1057 | { | |||
| 1058 | /* There isn't much point to writing out a debugging symbol | |||
| 1059 | unless we are prepared to convert it into COFF debugging | |||
| 1060 | format. So, we just ignore them. We must clobber the symbol | |||
| 1061 | name to keep it from being put in the string table. */ | |||
| 1062 | symbol->name = ""; | |||
| 1063 | return TRUE1; | |||
| 1064 | } | |||
| 1065 | else | |||
| 1066 | { | |||
| 1067 | native->u.syment.n_scnum = | |||
| 1068 | symbol->section->output_section->target_index; | |||
| 1069 | native->u.syment.n_value = (symbol->value | |||
| 1070 | + symbol->section->output_offset); | |||
| 1071 | if (! obj_pe (abfd)(((abfd)->tdata.coff_obj_data)->pe)) | |||
| 1072 | native->u.syment.n_value += symbol->section->output_section->vma; | |||
| 1073 | ||||
| 1074 | /* Copy the any flags from the file header into the symbol. | |||
| 1075 | FIXME: Why? */ | |||
| 1076 | { | |||
| 1077 | coff_symbol_type *c = coff_symbol_from (abfd, symbol); | |||
| 1078 | if (c != (coff_symbol_type *) NULL((void*)0)) | |||
| 1079 | native->u.syment.n_flags = bfd_asymbol_bfd (&c->symbol)((&c->symbol)->the_bfd)->flags; | |||
| 1080 | } | |||
| 1081 | } | |||
| 1082 | ||||
| 1083 | native->u.syment.n_type = 0; | |||
| 1084 | if (symbol->flags & BSF_LOCAL0x01) | |||
| 1085 | native->u.syment.n_sclass = C_STAT3; | |||
| 1086 | else if (symbol->flags & BSF_WEAK0x80) | |||
| 1087 | native->u.syment.n_sclass = obj_pe (abfd)(((abfd)->tdata.coff_obj_data)->pe) ? C_NT_WEAK105 : C_WEAKEXT127; | |||
| 1088 | else | |||
| 1089 | native->u.syment.n_sclass = C_EXT2; | |||
| 1090 | native->u.syment.n_numaux = 0; | |||
| 1091 | ||||
| 1092 | return coff_write_symbol (abfd, symbol, native, written, string_size_p, | |||
| 1093 | debug_string_section_p, debug_string_size_p); | |||
| 1094 | } | |||
| 1095 | ||||
| 1096 | /* Write a native symbol to a COFF file. */ | |||
| 1097 | ||||
| 1098 | static bfd_boolean | |||
| 1099 | coff_write_native_symbol (abfd, symbol, written, string_size_p, | |||
| 1100 | debug_string_section_p, debug_string_size_p) | |||
| 1101 | bfd *abfd; | |||
| 1102 | coff_symbol_type *symbol; | |||
| 1103 | bfd_vma *written; | |||
| 1104 | bfd_size_type *string_size_p; | |||
| 1105 | asection **debug_string_section_p; | |||
| 1106 | bfd_size_type *debug_string_size_p; | |||
| 1107 | { | |||
| 1108 | combined_entry_type *native = symbol->native; | |||
| 1109 | alent *lineno = symbol->lineno; | |||
| 1110 | ||||
| 1111 | /* If this symbol has an associated line number, we must store the | |||
| 1112 | symbol index in the line number field. We also tag the auxent to | |||
| 1113 | point to the right place in the lineno table. */ | |||
| 1114 | if (lineno && !symbol->done_lineno && symbol->symbol.section->owner != NULL((void*)0)) | |||
| 1115 | { | |||
| 1116 | unsigned int count = 0; | |||
| 1117 | lineno[count].u.offset = *written; | |||
| 1118 | if (native->u.syment.n_numaux) | |||
| 1119 | { | |||
| 1120 | union internal_auxent *a = &((native + 1)->u.auxent); | |||
| 1121 | ||||
| 1122 | a->x_sym.x_fcnary.x_fcn.x_lnnoptr = | |||
| 1123 | symbol->symbol.section->output_section->moving_line_filepos; | |||
| 1124 | } | |||
| 1125 | ||||
| 1126 | /* Count and relocate all other linenumbers. */ | |||
| 1127 | count++; | |||
| 1128 | while (lineno[count].line_number != 0) | |||
| 1129 | { | |||
| 1130 | #if 0 | |||
| 1131 | /* 13 april 92. sac | |||
| 1132 | I've been told this, but still need proof: | |||
| 1133 | > The second bug is also in `bfd/coffcode.h'. This bug | |||
| 1134 | > causes the linker to screw up the pc-relocations for | |||
| 1135 | > all the line numbers in COFF code. This bug isn't only | |||
| 1136 | > specific to A29K implementations, but affects all | |||
| 1137 | > systems using COFF format binaries. Note that in COFF | |||
| 1138 | > object files, the line number core offsets output by | |||
| 1139 | > the assembler are relative to the start of each | |||
| 1140 | > procedure, not to the start of the .text section. This | |||
| 1141 | > patch relocates the line numbers relative to the | |||
| 1142 | > `native->u.syment.n_value' instead of the section | |||
| 1143 | > virtual address. | |||
| 1144 | > modular!olson@cs.arizona.edu (Jon Olson) | |||
| 1145 | */ | |||
| 1146 | lineno[count].u.offset += native->u.syment.n_value; | |||
| 1147 | #else | |||
| 1148 | lineno[count].u.offset += | |||
| 1149 | (symbol->symbol.section->output_section->vma | |||
| 1150 | + symbol->symbol.section->output_offset); | |||
| 1151 | #endif | |||
| 1152 | count++; | |||
| 1153 | } | |||
| 1154 | symbol->done_lineno = TRUE1; | |||
| 1155 | ||||
| 1156 | if (! bfd_is_const_section (symbol->symbol.section->output_section)( ((symbol->symbol.section->output_section) == ((asection *) &bfd_abs_section)) || ((symbol->symbol.section-> output_section) == ((asection *) &bfd_und_section)) || (( symbol->symbol.section->output_section) == ((asection * ) &bfd_com_section)) || ((symbol->symbol.section->output_section ) == ((asection *) &bfd_ind_section)))) | |||
| 1157 | symbol->symbol.section->output_section->moving_line_filepos += | |||
| 1158 | count * bfd_coff_linesz (abfd)(((bfd_coff_backend_data *) (abfd)->xvec->backend_data) ->_bfd_linesz); | |||
| 1159 | } | |||
| 1160 | ||||
| 1161 | return coff_write_symbol (abfd, &(symbol->symbol), native, written, | |||
| 1162 | string_size_p, debug_string_section_p, | |||
| 1163 | debug_string_size_p); | |||
| 1164 | } | |||
| 1165 | ||||
| 1166 | /* Write out the COFF symbols. */ | |||
| 1167 | ||||
| 1168 | bfd_boolean | |||
| 1169 | coff_write_symbols (abfd) | |||
| 1170 | bfd *abfd; | |||
| 1171 | { | |||
| 1172 | bfd_size_type string_size; | |||
| 1173 | asection *debug_string_section; | |||
| 1174 | bfd_size_type debug_string_size; | |||
| 1175 | unsigned int i; | |||
| 1176 | unsigned int limit = bfd_get_symcount (abfd)((abfd)->symcount); | |||
| 1177 | bfd_signed_vma written = 0; | |||
| 1178 | asymbol **p; | |||
| 1179 | ||||
| 1180 | string_size = 0; | |||
| 1181 | debug_string_section = NULL((void*)0); | |||
| 1182 | debug_string_size = 0; | |||
| 1183 | ||||
| 1184 | /* If this target supports long section names, they must be put into | |||
| 1185 | the string table. This is supported by PE. This code must | |||
| 1186 | handle section names just as they are handled in | |||
| 1187 | coff_write_object_contents. */ | |||
| 1188 | if (bfd_coff_long_section_names (abfd)(((bfd_coff_backend_data *) (abfd)->xvec->backend_data) ->_bfd_coff_long_section_names)) | |||
| 1189 | { | |||
| 1190 | asection *o; | |||
| 1191 | ||||
| 1192 | for (o = abfd->sections; o != NULL((void*)0); o = o->next) | |||
| 1193 | { | |||
| 1194 | size_t len; | |||
| 1195 | ||||
| 1196 | len = strlen (o->name); | |||
| 1197 | if (len > SCNNMLEN(8)) | |||
| 1198 | string_size += len + 1; | |||
| 1199 | } | |||
| 1200 | } | |||
| 1201 | ||||
| 1202 | /* Seek to the right place */ | |||
| 1203 | if (bfd_seek (abfd, obj_sym_filepos (abfd)(((abfd)->tdata.coff_obj_data)->sym_filepos), SEEK_SET0) != 0) | |||
| 1204 | return FALSE0; | |||
| 1205 | ||||
| 1206 | /* Output all the symbols we have */ | |||
| 1207 | ||||
| 1208 | written = 0; | |||
| 1209 | for (p = abfd->outsymbols, i = 0; i < limit; i++, p++) | |||
| 1210 | { | |||
| 1211 | asymbol *symbol = *p; | |||
| 1212 | coff_symbol_type *c_symbol = coff_symbol_from (abfd, symbol); | |||
| 1213 | ||||
| 1214 | if (c_symbol == (coff_symbol_type *) NULL((void*)0) | |||
| 1215 | || c_symbol->native == (combined_entry_type *) NULL((void*)0)) | |||
| 1216 | { | |||
| 1217 | if (!coff_write_alien_symbol (abfd, symbol, &written, &string_size, | |||
| 1218 | &debug_string_section, | |||
| 1219 | &debug_string_size)) | |||
| 1220 | return FALSE0; | |||
| 1221 | } | |||
| 1222 | else | |||
| 1223 | { | |||
| 1224 | if (!coff_write_native_symbol (abfd, c_symbol, &written, | |||
| 1225 | &string_size, &debug_string_section, | |||
| 1226 | &debug_string_size)) | |||
| 1227 | return FALSE0; | |||
| 1228 | } | |||
| 1229 | } | |||
| 1230 | ||||
| 1231 | obj_raw_syment_count (abfd)(((abfd)->tdata.coff_obj_data)->raw_syment_count) = written; | |||
| 1232 | ||||
| 1233 | /* Now write out strings */ | |||
| 1234 | ||||
| 1235 | if (string_size != 0) | |||
| 1236 | { | |||
| 1237 | unsigned int size = string_size + STRING_SIZE_SIZE(4); | |||
| 1238 | bfd_byte buffer[STRING_SIZE_SIZE(4)]; | |||
| 1239 | ||||
| 1240 | #if STRING_SIZE_SIZE(4) == 4 | |||
| 1241 | H_PUT_32 (abfd, size, buffer)((*((abfd)->xvec->bfd_h_putx32)) (size, buffer)); | |||
| 1242 | #else | |||
| 1243 | #error Change H_PUT_32bfd_h_put_32 | |||
| 1244 | #endif | |||
| 1245 | if (bfd_bwrite ((PTRvoid *) buffer, (bfd_size_type) sizeof (buffer), abfd) | |||
| 1246 | != sizeof (buffer)) | |||
| 1247 | return FALSE0; | |||
| 1248 | ||||
| 1249 | /* Handle long section names. This code must handle section | |||
| 1250 | names just as they are handled in coff_write_object_contents. */ | |||
| 1251 | if (bfd_coff_long_section_names (abfd)(((bfd_coff_backend_data *) (abfd)->xvec->backend_data) ->_bfd_coff_long_section_names)) | |||
| 1252 | { | |||
| 1253 | asection *o; | |||
| 1254 | ||||
| 1255 | for (o = abfd->sections; o != NULL((void*)0); o = o->next) | |||
| 1256 | { | |||
| 1257 | size_t len; | |||
| 1258 | ||||
| 1259 | len = strlen (o->name); | |||
| 1260 | if (len > SCNNMLEN(8)) | |||
| 1261 | { | |||
| 1262 | if (bfd_bwrite (o->name, (bfd_size_type) (len + 1), abfd) | |||
| 1263 | != len + 1) | |||
| 1264 | return FALSE0; | |||
| 1265 | } | |||
| 1266 | } | |||
| 1267 | } | |||
| 1268 | ||||
| 1269 | for (p = abfd->outsymbols, i = 0; | |||
| 1270 | i < limit; | |||
| 1271 | i++, p++) | |||
| 1272 | { | |||
| 1273 | asymbol *q = *p; | |||
| 1274 | size_t name_length = strlen (q->name); | |||
| 1275 | coff_symbol_type *c_symbol = coff_symbol_from (abfd, q); | |||
| 1276 | size_t maxlen; | |||
| 1277 | ||||
| 1278 | /* Figure out whether the symbol name should go in the string | |||
| 1279 | table. Symbol names that are short enough are stored | |||
| 1280 | directly in the syment structure. File names permit a | |||
| 1281 | different, longer, length in the syment structure. On | |||
| 1282 | XCOFF, some symbol names are stored in the .debug section | |||
| 1283 | rather than in the string table. */ | |||
| 1284 | ||||
| 1285 | if (c_symbol == NULL((void*)0) | |||
| 1286 | || c_symbol->native == NULL((void*)0)) | |||
| 1287 | { | |||
| 1288 | /* This is not a COFF symbol, so it certainly is not a | |||
| 1289 | file name, nor does it go in the .debug section. */ | |||
| 1290 | maxlen = bfd_coff_force_symnames_in_strings (abfd)(((bfd_coff_backend_data *) (abfd)->xvec->backend_data) ->_bfd_coff_force_symnames_in_strings) ? 0 : SYMNMLEN8; | |||
| 1291 | } | |||
| 1292 | else if (bfd_coff_symname_in_debug (abfd,((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_symname_in_debug) (abfd, &c_symbol->native ->u.syment)) | |||
| 1293 | &c_symbol->native->u.syment)((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_symname_in_debug) (abfd, &c_symbol->native ->u.syment))) | |||
| 1294 | { | |||
| 1295 | /* This symbol name is in the XCOFF .debug section. | |||
| 1296 | Don't write it into the string table. */ | |||
| 1297 | maxlen = name_length; | |||
| 1298 | } | |||
| 1299 | else if (c_symbol->native->u.syment.n_sclass == C_FILE103 | |||
| 1300 | && c_symbol->native->u.syment.n_numaux > 0) | |||
| 1301 | { | |||
| 1302 | if (bfd_coff_force_symnames_in_strings (abfd)(((bfd_coff_backend_data *) (abfd)->xvec->backend_data) ->_bfd_coff_force_symnames_in_strings)) | |||
| 1303 | { | |||
| 1304 | if (bfd_bwrite (".file", (bfd_size_type) 6, abfd) != 6) | |||
| 1305 | return FALSE0; | |||
| 1306 | } | |||
| 1307 | maxlen = bfd_coff_filnmlen (abfd)(((bfd_coff_backend_data *) (abfd)->xvec->backend_data) ->_bfd_filnmlen); | |||
| 1308 | } | |||
| 1309 | else | |||
| 1310 | maxlen = bfd_coff_force_symnames_in_strings (abfd)(((bfd_coff_backend_data *) (abfd)->xvec->backend_data) ->_bfd_coff_force_symnames_in_strings) ? 0 : SYMNMLEN8; | |||
| 1311 | ||||
| 1312 | if (name_length > maxlen) | |||
| 1313 | { | |||
| 1314 | if (bfd_bwrite ((PTRvoid *) (q->name), (bfd_size_type) name_length + 1, | |||
| 1315 | abfd) != name_length + 1) | |||
| 1316 | return FALSE0; | |||
| 1317 | } | |||
| 1318 | } | |||
| 1319 | } | |||
| 1320 | else | |||
| 1321 | { | |||
| 1322 | /* We would normally not write anything here, but we'll write | |||
| 1323 | out 4 so that any stupid coff reader which tries to read the | |||
| 1324 | string table even when there isn't one won't croak. */ | |||
| 1325 | unsigned int size = STRING_SIZE_SIZE(4); | |||
| 1326 | bfd_byte buffer[STRING_SIZE_SIZE(4)]; | |||
| 1327 | ||||
| 1328 | #if STRING_SIZE_SIZE(4) == 4 | |||
| 1329 | H_PUT_32 (abfd, size, buffer)((*((abfd)->xvec->bfd_h_putx32)) (size, buffer)); | |||
| 1330 | #else | |||
| 1331 | #error Change H_PUT_32bfd_h_put_32 | |||
| 1332 | #endif | |||
| 1333 | if (bfd_bwrite ((PTRvoid *) buffer, (bfd_size_type) STRING_SIZE_SIZE(4), abfd) | |||
| 1334 | != STRING_SIZE_SIZE(4)) | |||
| 1335 | return FALSE0; | |||
| 1336 | } | |||
| 1337 | ||||
| 1338 | /* Make sure the .debug section was created to be the correct size. | |||
| 1339 | We should create it ourselves on the fly, but we don't because | |||
| 1340 | BFD won't let us write to any section until we know how large all | |||
| 1341 | the sections are. We could still do it by making another pass | |||
| 1342 | over the symbols. FIXME. */ | |||
| 1343 | BFD_ASSERT (debug_string_size == 0{ if (!(debug_string_size == 0 || (debug_string_section != (asection *) ((void*)0) && (((((bfd_vma) (debug_string_size) + (1 << debug_string_section->alignment_power) - 1) >= (bfd_vma) (debug_string_size)) ? (((bfd_vma) (debug_string_size ) + ((1 << debug_string_section->alignment_power) - 1 )) & ~ (bfd_vma) ((1 << debug_string_section->alignment_power )-1)) : ~ (bfd_vma) 0) == ((debug_string_section)->_raw_size ))))) bfd_assert("/usr/src/gnu/usr.bin/binutils/bfd/coffgen.c" ,1347); } | |||
| 1344 | || (debug_string_section != (asection *) NULL{ if (!(debug_string_size == 0 || (debug_string_section != (asection *) ((void*)0) && (((((bfd_vma) (debug_string_size) + (1 << debug_string_section->alignment_power) - 1) >= (bfd_vma) (debug_string_size)) ? (((bfd_vma) (debug_string_size ) + ((1 << debug_string_section->alignment_power) - 1 )) & ~ (bfd_vma) ((1 << debug_string_section->alignment_power )-1)) : ~ (bfd_vma) 0) == ((debug_string_section)->_raw_size ))))) bfd_assert("/usr/src/gnu/usr.bin/binutils/bfd/coffgen.c" ,1347); } | |||
| 1345 | && (BFD_ALIGN (debug_string_size,{ if (!(debug_string_size == 0 || (debug_string_section != (asection *) ((void*)0) && (((((bfd_vma) (debug_string_size) + (1 << debug_string_section->alignment_power) - 1) >= (bfd_vma) (debug_string_size)) ? (((bfd_vma) (debug_string_size ) + ((1 << debug_string_section->alignment_power) - 1 )) & ~ (bfd_vma) ((1 << debug_string_section->alignment_power )-1)) : ~ (bfd_vma) 0) == ((debug_string_section)->_raw_size ))))) bfd_assert("/usr/src/gnu/usr.bin/binutils/bfd/coffgen.c" ,1347); } | |||
| 1346 | 1 << debug_string_section->alignment_power){ if (!(debug_string_size == 0 || (debug_string_section != (asection *) ((void*)0) && (((((bfd_vma) (debug_string_size) + (1 << debug_string_section->alignment_power) - 1) >= (bfd_vma) (debug_string_size)) ? (((bfd_vma) (debug_string_size ) + ((1 << debug_string_section->alignment_power) - 1 )) & ~ (bfd_vma) ((1 << debug_string_section->alignment_power )-1)) : ~ (bfd_vma) 0) == ((debug_string_section)->_raw_size ))))) bfd_assert("/usr/src/gnu/usr.bin/binutils/bfd/coffgen.c" ,1347); } | |||
| 1347 | == bfd_section_size (abfd, debug_string_section)))){ if (!(debug_string_size == 0 || (debug_string_section != (asection *) ((void*)0) && (((((bfd_vma) (debug_string_size) + (1 << debug_string_section->alignment_power) - 1) >= (bfd_vma) (debug_string_size)) ? (((bfd_vma) (debug_string_size ) + ((1 << debug_string_section->alignment_power) - 1 )) & ~ (bfd_vma) ((1 << debug_string_section->alignment_power )-1)) : ~ (bfd_vma) 0) == ((debug_string_section)->_raw_size ))))) bfd_assert("/usr/src/gnu/usr.bin/binutils/bfd/coffgen.c" ,1347); }; | |||
| 1348 | ||||
| 1349 | return TRUE1; | |||
| 1350 | } | |||
| 1351 | ||||
| 1352 | bfd_boolean | |||
| 1353 | coff_write_linenumbers (abfd) | |||
| 1354 | bfd *abfd; | |||
| 1355 | { | |||
| 1356 | asection *s; | |||
| 1357 | bfd_size_type linesz; | |||
| 1358 | PTRvoid * buff; | |||
| 1359 | ||||
| 1360 | linesz = bfd_coff_linesz (abfd)(((bfd_coff_backend_data *) (abfd)->xvec->backend_data) ->_bfd_linesz); | |||
| 1361 | buff = bfd_alloc (abfd, linesz); | |||
| 1362 | if (!buff) | |||
| 1363 | return FALSE0; | |||
| 1364 | for (s = abfd->sections; s != (asection *) NULL((void*)0); s = s->next) | |||
| 1365 | { | |||
| 1366 | if (s->lineno_count) | |||
| 1367 | { | |||
| 1368 | asymbol **q = abfd->outsymbols; | |||
| 1369 | if (bfd_seek (abfd, s->line_filepos, SEEK_SET0) != 0) | |||
| 1370 | return FALSE0; | |||
| 1371 | /* Find all the linenumbers in this section */ | |||
| 1372 | while (*q) | |||
| 1373 | { | |||
| 1374 | asymbol *p = *q; | |||
| 1375 | if (p->section->output_section == s) | |||
| 1376 | { | |||
| 1377 | alent *l = | |||
| 1378 | BFD_SEND (bfd_asymbol_bfd (p), _get_lineno,((*((((p)->the_bfd))->xvec->_get_lineno)) (((p)-> the_bfd), p)) | |||
| 1379 | (bfd_asymbol_bfd (p), p))((*((((p)->the_bfd))->xvec->_get_lineno)) (((p)-> the_bfd), p)); | |||
| 1380 | if (l) | |||
| 1381 | { | |||
| 1382 | /* Found a linenumber entry, output */ | |||
| 1383 | struct internal_lineno out; | |||
| 1384 | memset ((PTRvoid *) & out, 0, sizeof (out)); | |||
| 1385 | out.l_lnno = 0; | |||
| 1386 | out.l_addr.l_symndx = l->u.offset; | |||
| 1387 | bfd_coff_swap_lineno_out (abfd, &out, buff)((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_swap_lineno_out) (abfd, &out, buff)); | |||
| 1388 | if (bfd_bwrite (buff, (bfd_size_type) linesz, abfd) | |||
| 1389 | != linesz) | |||
| 1390 | return FALSE0; | |||
| 1391 | l++; | |||
| 1392 | while (l->line_number) | |||
| 1393 | { | |||
| 1394 | out.l_lnno = l->line_number; | |||
| 1395 | out.l_addr.l_symndx = l->u.offset; | |||
| 1396 | bfd_coff_swap_lineno_out (abfd, &out, buff)((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_swap_lineno_out) (abfd, &out, buff)); | |||
| 1397 | if (bfd_bwrite (buff, (bfd_size_type) linesz, abfd) | |||
| 1398 | != linesz) | |||
| 1399 | return FALSE0; | |||
| 1400 | l++; | |||
| 1401 | } | |||
| 1402 | } | |||
| 1403 | } | |||
| 1404 | q++; | |||
| 1405 | } | |||
| 1406 | } | |||
| 1407 | } | |||
| 1408 | bfd_release (abfd, buff); | |||
| 1409 | return TRUE1; | |||
| 1410 | } | |||
| 1411 | ||||
| 1412 | alent * | |||
| 1413 | coff_get_lineno (ignore_abfd, symbol) | |||
| 1414 | bfd *ignore_abfd ATTRIBUTE_UNUSED__attribute__ ((__unused__)); | |||
| 1415 | asymbol *symbol; | |||
| 1416 | { | |||
| 1417 | return coffsymbol (symbol)((coff_symbol_type *)(&((symbol)->the_bfd)))->lineno; | |||
| 1418 | } | |||
| 1419 | ||||
| 1420 | #if 0 | |||
| 1421 | ||||
| 1422 | /* This is only called from coff_add_missing_symbols, which has been | |||
| 1423 | disabled. */ | |||
| 1424 | ||||
| 1425 | asymbol * | |||
| 1426 | coff_section_symbol (abfd, name) | |||
| 1427 | bfd *abfd; | |||
| 1428 | char *name; | |||
| 1429 | { | |||
| 1430 | asection *sec = bfd_make_section_old_way (abfd, name); | |||
| 1431 | asymbol *sym; | |||
| 1432 | combined_entry_type *csym; | |||
| 1433 | ||||
| 1434 | sym = sec->symbol; | |||
| 1435 | csym = coff_symbol_from (abfd, sym)->native; | |||
| 1436 | /* Make sure back-end COFF stuff is there. */ | |||
| 1437 | if (csym == 0) | |||
| 1438 | { | |||
| 1439 | struct foo | |||
| 1440 | { | |||
| 1441 | coff_symbol_type sym; | |||
| 1442 | /* @@FIXME This shouldn't use a fixed size!! */ | |||
| 1443 | combined_entry_type e[10]; | |||
| 1444 | }; | |||
| 1445 | struct foo *f; | |||
| 1446 | ||||
| 1447 | f = (struct foo *) bfd_zalloc (abfd, (bfd_size_type) sizeof (*f)); | |||
| 1448 | if (!f) | |||
| 1449 | { | |||
| 1450 | bfd_set_error (bfd_error_no_error); | |||
| 1451 | return NULL((void*)0); | |||
| 1452 | } | |||
| 1453 | coff_symbol_from (abfd, sym)->native = csym = f->e; | |||
| 1454 | } | |||
| 1455 | csym[0].u.syment.n_sclass = C_STAT3; | |||
| 1456 | csym[0].u.syment.n_numaux = 1; | |||
| 1457 | /* SF_SET_STATICS (sym); @@ ??? */ | |||
| 1458 | csym[1].u.auxent.x_scn.x_scnlen = sec->_raw_size; | |||
| 1459 | csym[1].u.auxent.x_scn.x_nreloc = sec->reloc_count; | |||
| 1460 | csym[1].u.auxent.x_scn.x_nlinno = sec->lineno_count; | |||
| 1461 | ||||
| 1462 | if (sec->output_section == NULL((void*)0)) | |||
| 1463 | { | |||
| 1464 | sec->output_section = sec; | |||
| 1465 | sec->output_offset = 0; | |||
| 1466 | } | |||
| 1467 | ||||
| 1468 | return sym; | |||
| 1469 | } | |||
| 1470 | ||||
| 1471 | #endif /* 0 */ | |||
| 1472 | ||||
| 1473 | /* This function transforms the offsets into the symbol table into | |||
| 1474 | pointers to syments. */ | |||
| 1475 | ||||
| 1476 | static void | |||
| 1477 | coff_pointerize_aux (abfd, table_base, symbol, indaux, auxent) | |||
| 1478 | bfd *abfd; | |||
| 1479 | combined_entry_type *table_base; | |||
| 1480 | combined_entry_type *symbol; | |||
| 1481 | unsigned int indaux; | |||
| 1482 | combined_entry_type *auxent; | |||
| 1483 | { | |||
| 1484 | unsigned int type = symbol->u.syment.n_type; | |||
| 1485 | unsigned int class = symbol->u.syment.n_sclass; | |||
| 1486 | ||||
| 1487 | if (coff_backend_info (abfd)((bfd_coff_backend_data *) (abfd)->xvec->backend_data)->_bfd_coff_pointerize_aux_hook) | |||
| 1488 | { | |||
| 1489 | if ((*coff_backend_info (abfd)((bfd_coff_backend_data *) (abfd)->xvec->backend_data)->_bfd_coff_pointerize_aux_hook) | |||
| 1490 | (abfd, table_base, symbol, indaux, auxent)) | |||
| 1491 | return; | |||
| 1492 | } | |||
| 1493 | ||||
| 1494 | /* Don't bother if this is a file or a section */ | |||
| 1495 | if (class == C_STAT3 && type == T_NULL0) | |||
| 1496 | return; | |||
| 1497 | if (class == C_FILE103) | |||
| 1498 | return; | |||
| 1499 | ||||
| 1500 | /* Otherwise patch up */ | |||
| 1501 | #define N_TMASK((abfd)->tdata.coff_obj_data)->local_n_tmask coff_data (abfd)((abfd)->tdata.coff_obj_data)->local_n_tmask | |||
| 1502 | #define N_BTSHFT((abfd)->tdata.coff_obj_data)->local_n_btshft coff_data (abfd)((abfd)->tdata.coff_obj_data)->local_n_btshft | |||
| 1503 | if ((ISFCN (type)(((unsigned long) (type) & ((abfd)->tdata.coff_obj_data )->local_n_tmask) == ((unsigned long) (2) << ((abfd) ->tdata.coff_obj_data)->local_n_btshft)) || ISTAG (class)((class) == 10 || (class) == 12 || (class) == 15) || class == C_BLOCK100 || class == C_FCN101) | |||
| 1504 | && auxent->u.auxent.x_sym.x_fcnary.x_fcn.x_endndx.l > 0) | |||
| 1505 | { | |||
| 1506 | auxent->u.auxent.x_sym.x_fcnary.x_fcn.x_endndx.p = | |||
| 1507 | table_base + auxent->u.auxent.x_sym.x_fcnary.x_fcn.x_endndx.l; | |||
| 1508 | auxent->fix_end = 1; | |||
| 1509 | } | |||
| 1510 | /* A negative tagndx is meaningless, but the SCO 3.2v4 cc can | |||
| 1511 | generate one, so we must be careful to ignore it. */ | |||
| 1512 | if (auxent->u.auxent.x_sym.x_tagndx.l > 0) | |||
| 1513 | { | |||
| 1514 | auxent->u.auxent.x_sym.x_tagndx.p = | |||
| 1515 | table_base + auxent->u.auxent.x_sym.x_tagndx.l; | |||
| 1516 | auxent->fix_tag = 1; | |||
| 1517 | } | |||
| 1518 | } | |||
| 1519 | ||||
| 1520 | /* Allocate space for the ".debug" section, and read it. | |||
| 1521 | We did not read the debug section until now, because | |||
| 1522 | we didn't want to go to the trouble until someone needed it. */ | |||
| 1523 | ||||
| 1524 | static char * | |||
| 1525 | build_debug_section (abfd) | |||
| 1526 | bfd *abfd; | |||
| 1527 | { | |||
| 1528 | char *debug_section; | |||
| 1529 | file_ptr position; | |||
| 1530 | bfd_size_type sec_size; | |||
| 1531 | ||||
| 1532 | asection *sect = bfd_get_section_by_name (abfd, ".debug"); | |||
| 1533 | ||||
| 1534 | if (!sect) | |||
| 1535 | { | |||
| 1536 | bfd_set_error (bfd_error_no_debug_section); | |||
| 1537 | return NULL((void*)0); | |||
| 1538 | } | |||
| 1539 | ||||
| 1540 | sec_size = bfd_get_section_size_before_reloc (sect)((sect)->_raw_size); | |||
| 1541 | debug_section = (PTRvoid *) bfd_alloc (abfd, sec_size); | |||
| 1542 | if (debug_section == NULL((void*)0)) | |||
| 1543 | return NULL((void*)0); | |||
| 1544 | ||||
| 1545 | /* Seek to the beginning of the `.debug' section and read it. | |||
| 1546 | Save the current position first; it is needed by our caller. | |||
| 1547 | Then read debug section and reset the file pointer. */ | |||
| 1548 | ||||
| 1549 | position = bfd_tell (abfd); | |||
| 1550 | if (bfd_seek (abfd, sect->filepos, SEEK_SET0) != 0 | |||
| 1551 | || bfd_bread (debug_section, sec_size, abfd) != sec_size | |||
| 1552 | || bfd_seek (abfd, position, SEEK_SET0) != 0) | |||
| 1553 | return NULL((void*)0); | |||
| 1554 | return debug_section; | |||
| 1555 | } | |||
| 1556 | ||||
| 1557 | /* Return a pointer to a malloc'd copy of 'name'. 'name' may not be | |||
| 1558 | \0-terminated, but will not exceed 'maxlen' characters. The copy *will* | |||
| 1559 | be \0-terminated. */ | |||
| 1560 | static char * | |||
| 1561 | copy_name (abfd, name, maxlen) | |||
| 1562 | bfd *abfd; | |||
| 1563 | char *name; | |||
| 1564 | size_t maxlen; | |||
| 1565 | { | |||
| 1566 | size_t len; | |||
| 1567 | char *newname; | |||
| 1568 | ||||
| 1569 | for (len = 0; len < maxlen; ++len) | |||
| 1570 | { | |||
| 1571 | if (name[len] == '\0') | |||
| 1572 | { | |||
| 1573 | break; | |||
| 1574 | } | |||
| 1575 | } | |||
| 1576 | ||||
| 1577 | if ((newname = (PTRvoid *) bfd_alloc (abfd, (bfd_size_type) len + 1)) == NULL((void*)0)) | |||
| 1578 | return (NULL((void*)0)); | |||
| 1579 | strncpy (newname, name, len); | |||
| 1580 | newname[len] = '\0'; | |||
| 1581 | return newname; | |||
| 1582 | } | |||
| 1583 | ||||
| 1584 | /* Read in the external symbols. */ | |||
| 1585 | ||||
| 1586 | bfd_boolean | |||
| 1587 | _bfd_coff_get_external_symbols (abfd) | |||
| 1588 | bfd *abfd; | |||
| 1589 | { | |||
| 1590 | bfd_size_type symesz; | |||
| 1591 | bfd_size_type size; | |||
| 1592 | PTRvoid * syms; | |||
| 1593 | ||||
| 1594 | if (obj_coff_external_syms (abfd)(((abfd)->tdata.coff_obj_data)->external_syms) != NULL((void*)0)) | |||
| 1595 | return TRUE1; | |||
| 1596 | ||||
| 1597 | symesz = bfd_coff_symesz (abfd)(((bfd_coff_backend_data *) (abfd)->xvec->backend_data) ->_bfd_symesz); | |||
| 1598 | ||||
| 1599 | size = obj_raw_syment_count (abfd)(((abfd)->tdata.coff_obj_data)->raw_syment_count) * symesz; | |||
| 1600 | ||||
| 1601 | syms = (PTRvoid *) bfd_malloc (size); | |||
| 1602 | if (syms == NULL((void*)0) && size != 0) | |||
| 1603 | return FALSE0; | |||
| 1604 | ||||
| 1605 | if (bfd_seek (abfd, obj_sym_filepos (abfd)(((abfd)->tdata.coff_obj_data)->sym_filepos), SEEK_SET0) != 0 | |||
| 1606 | || bfd_bread (syms, size, abfd) != size) | |||
| 1607 | { | |||
| 1608 | if (syms != NULL((void*)0)) | |||
| 1609 | free (syms); | |||
| 1610 | return FALSE0; | |||
| 1611 | } | |||
| 1612 | ||||
| 1613 | obj_coff_external_syms (abfd)(((abfd)->tdata.coff_obj_data)->external_syms) = syms; | |||
| 1614 | ||||
| 1615 | return TRUE1; | |||
| 1616 | } | |||
| 1617 | ||||
| 1618 | /* Read in the external strings. The strings are not loaded until | |||
| 1619 | they are needed. This is because we have no simple way of | |||
| 1620 | detecting a missing string table in an archive. */ | |||
| 1621 | ||||
| 1622 | const char * | |||
| 1623 | _bfd_coff_read_string_table (abfd) | |||
| 1624 | bfd *abfd; | |||
| 1625 | { | |||
| 1626 | char extstrsize[STRING_SIZE_SIZE(4)]; | |||
| 1627 | bfd_size_type strsize; | |||
| 1628 | char *strings; | |||
| 1629 | file_ptr pos; | |||
| 1630 | ||||
| 1631 | if (obj_coff_strings (abfd)(((abfd)->tdata.coff_obj_data)->strings) != NULL((void*)0)) | |||
| 1632 | return obj_coff_strings (abfd)(((abfd)->tdata.coff_obj_data)->strings); | |||
| 1633 | ||||
| 1634 | if (obj_sym_filepos (abfd)(((abfd)->tdata.coff_obj_data)->sym_filepos) == 0) | |||
| 1635 | { | |||
| 1636 | bfd_set_error (bfd_error_no_symbols); | |||
| 1637 | return NULL((void*)0); | |||
| 1638 | } | |||
| 1639 | ||||
| 1640 | pos = obj_sym_filepos (abfd)(((abfd)->tdata.coff_obj_data)->sym_filepos); | |||
| 1641 | pos += obj_raw_syment_count (abfd)(((abfd)->tdata.coff_obj_data)->raw_syment_count) * bfd_coff_symesz (abfd)(((bfd_coff_backend_data *) (abfd)->xvec->backend_data) ->_bfd_symesz); | |||
| 1642 | if (bfd_seek (abfd, pos, SEEK_SET0) != 0) | |||
| 1643 | return NULL((void*)0); | |||
| 1644 | ||||
| 1645 | if (bfd_bread (extstrsize, (bfd_size_type) sizeof extstrsize, abfd) | |||
| 1646 | != sizeof extstrsize) | |||
| 1647 | { | |||
| 1648 | if (bfd_get_error () != bfd_error_file_truncated) | |||
| 1649 | return NULL((void*)0); | |||
| 1650 | ||||
| 1651 | /* There is no string table. */ | |||
| 1652 | strsize = STRING_SIZE_SIZE(4); | |||
| 1653 | } | |||
| 1654 | else | |||
| 1655 | { | |||
| 1656 | #if STRING_SIZE_SIZE(4) == 4 | |||
| 1657 | strsize = H_GET_32 (abfd, extstrsize)((*((abfd)->xvec->bfd_h_getx32)) (extstrsize)); | |||
| 1658 | #else | |||
| 1659 | #error Change H_GET_32bfd_h_get_32 | |||
| 1660 | #endif | |||
| 1661 | } | |||
| 1662 | ||||
| 1663 | if (strsize < STRING_SIZE_SIZE(4)) | |||
| 1664 | { | |||
| 1665 | (*_bfd_error_handler) | |||
| 1666 | (_("%s: bad string table size %lu")("%s: bad string table size %lu"), bfd_archive_filename (abfd), | |||
| 1667 | (unsigned long) strsize); | |||
| 1668 | bfd_set_error (bfd_error_bad_value); | |||
| 1669 | return NULL((void*)0); | |||
| 1670 | } | |||
| 1671 | ||||
| 1672 | strings = (char *) bfd_malloc (strsize); | |||
| 1673 | if (strings == NULL((void*)0)) | |||
| 1674 | return NULL((void*)0); | |||
| 1675 | ||||
| 1676 | if (bfd_bread (strings + STRING_SIZE_SIZE(4), strsize - STRING_SIZE_SIZE(4), abfd) | |||
| 1677 | != strsize - STRING_SIZE_SIZE(4)) | |||
| 1678 | { | |||
| 1679 | free (strings); | |||
| 1680 | return NULL((void*)0); | |||
| 1681 | } | |||
| 1682 | ||||
| 1683 | obj_coff_strings (abfd)(((abfd)->tdata.coff_obj_data)->strings) = strings; | |||
| 1684 | ||||
| 1685 | return strings; | |||
| 1686 | } | |||
| 1687 | ||||
| 1688 | /* Free up the external symbols and strings read from a COFF file. */ | |||
| 1689 | ||||
| 1690 | bfd_boolean | |||
| 1691 | _bfd_coff_free_symbols (abfd) | |||
| 1692 | bfd *abfd; | |||
| 1693 | { | |||
| 1694 | if (obj_coff_external_syms (abfd)(((abfd)->tdata.coff_obj_data)->external_syms) != NULL((void*)0) | |||
| 1695 | && ! obj_coff_keep_syms (abfd)(((abfd)->tdata.coff_obj_data)->keep_syms)) | |||
| 1696 | { | |||
| 1697 | free (obj_coff_external_syms (abfd)(((abfd)->tdata.coff_obj_data)->external_syms)); | |||
| 1698 | obj_coff_external_syms (abfd)(((abfd)->tdata.coff_obj_data)->external_syms) = NULL((void*)0); | |||
| 1699 | } | |||
| 1700 | if (obj_coff_strings (abfd)(((abfd)->tdata.coff_obj_data)->strings) != NULL((void*)0) | |||
| 1701 | && ! obj_coff_keep_strings (abfd)(((abfd)->tdata.coff_obj_data)->keep_strings)) | |||
| 1702 | { | |||
| 1703 | free (obj_coff_strings (abfd)(((abfd)->tdata.coff_obj_data)->strings)); | |||
| 1704 | obj_coff_strings (abfd)(((abfd)->tdata.coff_obj_data)->strings) = NULL((void*)0); | |||
| 1705 | } | |||
| 1706 | return TRUE1; | |||
| 1707 | } | |||
| 1708 | ||||
| 1709 | /* Read a symbol table into freshly bfd_allocated memory, swap it, and | |||
| 1710 | knit the symbol names into a normalized form. By normalized here I | |||
| 1711 | mean that all symbols have an n_offset pointer that points to a null- | |||
| 1712 | terminated string. */ | |||
| 1713 | ||||
| 1714 | combined_entry_type * | |||
| 1715 | coff_get_normalized_symtab (abfd) | |||
| 1716 | bfd *abfd; | |||
| 1717 | { | |||
| 1718 | combined_entry_type *internal; | |||
| 1719 | combined_entry_type *internal_ptr; | |||
| 1720 | combined_entry_type *symbol_ptr; | |||
| 1721 | combined_entry_type *internal_end; | |||
| 1722 | size_t symesz; | |||
| 1723 | char *raw_src; | |||
| 1724 | char *raw_end; | |||
| 1725 | const char *string_table = NULL((void*)0); | |||
| 1726 | char *debug_section = NULL((void*)0); | |||
| 1727 | bfd_size_type size; | |||
| 1728 | ||||
| 1729 | if (obj_raw_syments (abfd)(((abfd)->tdata.coff_obj_data)->raw_syments) != NULL((void*)0)) | |||
| ||||
| 1730 | return obj_raw_syments (abfd)(((abfd)->tdata.coff_obj_data)->raw_syments); | |||
| 1731 | ||||
| 1732 | size = obj_raw_syment_count (abfd)(((abfd)->tdata.coff_obj_data)->raw_syment_count) * sizeof (combined_entry_type); | |||
| 1733 | internal = (combined_entry_type *) bfd_zalloc (abfd, size); | |||
| 1734 | if (internal == NULL((void*)0) && size != 0) | |||
| 1735 | return NULL((void*)0); | |||
| 1736 | internal_end = internal + obj_raw_syment_count (abfd)(((abfd)->tdata.coff_obj_data)->raw_syment_count); | |||
| 1737 | ||||
| 1738 | if (! _bfd_coff_get_external_symbols (abfd)) | |||
| 1739 | return NULL((void*)0); | |||
| 1740 | ||||
| 1741 | raw_src = (char *) obj_coff_external_syms (abfd)(((abfd)->tdata.coff_obj_data)->external_syms); | |||
| 1742 | ||||
| 1743 | /* mark the end of the symbols */ | |||
| 1744 | symesz = bfd_coff_symesz (abfd)(((bfd_coff_backend_data *) (abfd)->xvec->backend_data) ->_bfd_symesz); | |||
| 1745 | raw_end = (char *) raw_src + obj_raw_syment_count (abfd)(((abfd)->tdata.coff_obj_data)->raw_syment_count) * symesz; | |||
| 1746 | ||||
| 1747 | /* FIXME SOMEDAY. A string table size of zero is very weird, but | |||
| 1748 | probably possible. If one shows up, it will probably kill us. */ | |||
| 1749 | ||||
| 1750 | /* Swap all the raw entries */ | |||
| 1751 | for (internal_ptr = internal; | |||
| 1752 | raw_src < raw_end; | |||
| 1753 | raw_src += symesz, internal_ptr++) | |||
| 1754 | { | |||
| 1755 | ||||
| 1756 | unsigned int i; | |||
| 1757 | bfd_coff_swap_sym_in (abfd, (PTR) raw_src,((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_swap_sym_in) (abfd,(void *) raw_src,(void *) & internal_ptr->u.syment)) | |||
| 1758 | (PTR) & internal_ptr->u.syment)((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_swap_sym_in) (abfd,(void *) raw_src,(void *) & internal_ptr->u.syment)); | |||
| 1759 | symbol_ptr = internal_ptr; | |||
| 1760 | ||||
| 1761 | for (i = 0; | |||
| 1762 | i < symbol_ptr->u.syment.n_numaux; | |||
| ||||
| 1763 | i++) | |||
| 1764 | { | |||
| 1765 | internal_ptr++; | |||
| 1766 | raw_src += symesz; | |||
| 1767 | bfd_coff_swap_aux_in (abfd, (PTR) raw_src,((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_swap_aux_in) (abfd,(void *) raw_src,symbol_ptr ->u.syment.n_type,symbol_ptr->u.syment.n_sclass,(int) i ,symbol_ptr->u.syment.n_numaux,&(internal_ptr->u.auxent ))) | |||
| 1768 | symbol_ptr->u.syment.n_type,((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_swap_aux_in) (abfd,(void *) raw_src,symbol_ptr ->u.syment.n_type,symbol_ptr->u.syment.n_sclass,(int) i ,symbol_ptr->u.syment.n_numaux,&(internal_ptr->u.auxent ))) | |||
| 1769 | symbol_ptr->u.syment.n_sclass,((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_swap_aux_in) (abfd,(void *) raw_src,symbol_ptr ->u.syment.n_type,symbol_ptr->u.syment.n_sclass,(int) i ,symbol_ptr->u.syment.n_numaux,&(internal_ptr->u.auxent ))) | |||
| 1770 | (int) i, symbol_ptr->u.syment.n_numaux,((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_swap_aux_in) (abfd,(void *) raw_src,symbol_ptr ->u.syment.n_type,symbol_ptr->u.syment.n_sclass,(int) i ,symbol_ptr->u.syment.n_numaux,&(internal_ptr->u.auxent ))) | |||
| 1771 | &(internal_ptr->u.auxent))((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_swap_aux_in) (abfd,(void *) raw_src,symbol_ptr ->u.syment.n_type,symbol_ptr->u.syment.n_sclass,(int) i ,symbol_ptr->u.syment.n_numaux,&(internal_ptr->u.auxent ))); | |||
| 1772 | coff_pointerize_aux (abfd, internal, symbol_ptr, i, | |||
| 1773 | internal_ptr); | |||
| 1774 | } | |||
| 1775 | } | |||
| 1776 | ||||
| 1777 | /* Free the raw symbols, but not the strings (if we have them). */ | |||
| 1778 | obj_coff_keep_strings (abfd)(((abfd)->tdata.coff_obj_data)->keep_strings) = TRUE1; | |||
| 1779 | if (! _bfd_coff_free_symbols (abfd)) | |||
| 1780 | return NULL((void*)0); | |||
| 1781 | ||||
| 1782 | for (internal_ptr = internal; internal_ptr < internal_end; | |||
| 1783 | internal_ptr++) | |||
| 1784 | { | |||
| 1785 | if (internal_ptr->u.syment.n_sclass == C_FILE103 | |||
| 1786 | && internal_ptr->u.syment.n_numaux > 0) | |||
| 1787 | { | |||
| 1788 | /* make a file symbol point to the name in the auxent, since | |||
| 1789 | the text ".file" is redundant */ | |||
| 1790 | if ((internal_ptr + 1)->u.auxent.x_file.x_n.x_zeroes == 0) | |||
| 1791 | { | |||
| 1792 | /* the filename is a long one, point into the string table */ | |||
| 1793 | if (string_table == NULL((void*)0)) | |||
| 1794 | { | |||
| 1795 | string_table = _bfd_coff_read_string_table (abfd); | |||
| 1796 | if (string_table == NULL((void*)0)) | |||
| 1797 | return NULL((void*)0); | |||
| 1798 | } | |||
| 1799 | ||||
| 1800 | internal_ptr->u.syment._n._n_n._n_offset = | |||
| 1801 | ((long) | |||
| 1802 | (string_table | |||
| 1803 | + (internal_ptr + 1)->u.auxent.x_file.x_n.x_offset)); | |||
| 1804 | } | |||
| 1805 | else | |||
| 1806 | { | |||
| 1807 | /* Ordinary short filename, put into memory anyway. The | |||
| 1808 | Microsoft PE tools sometimes store a filename in | |||
| 1809 | multiple AUX entries. */ | |||
| 1810 | if (internal_ptr->u.syment.n_numaux > 1 | |||
| 1811 | && coff_data (abfd)((abfd)->tdata.coff_obj_data)->pe) | |||
| 1812 | { | |||
| 1813 | internal_ptr->u.syment._n._n_n._n_offset = | |||
| 1814 | ((long) | |||
| 1815 | copy_name (abfd, | |||
| 1816 | (internal_ptr + 1)->u.auxent.x_file.x_fname, | |||
| 1817 | internal_ptr->u.syment.n_numaux * symesz)); | |||
| 1818 | } | |||
| 1819 | else | |||
| 1820 | { | |||
| 1821 | internal_ptr->u.syment._n._n_n._n_offset = | |||
| 1822 | ((long) | |||
| 1823 | copy_name (abfd, | |||
| 1824 | (internal_ptr + 1)->u.auxent.x_file.x_fname, | |||
| 1825 | (size_t) bfd_coff_filnmlen (abfd)(((bfd_coff_backend_data *) (abfd)->xvec->backend_data) ->_bfd_filnmlen))); | |||
| 1826 | } | |||
| 1827 | } | |||
| 1828 | } | |||
| 1829 | else | |||
| 1830 | { | |||
| 1831 | if (internal_ptr->u.syment._n._n_n._n_zeroes != 0) | |||
| 1832 | { | |||
| 1833 | /* This is a "short" name. Make it long. */ | |||
| 1834 | size_t i; | |||
| 1835 | char *newstring; | |||
| 1836 | ||||
| 1837 | /* find the length of this string without walking into memory | |||
| 1838 | that isn't ours. */ | |||
| 1839 | for (i = 0; i < 8; ++i) | |||
| 1840 | if (internal_ptr->u.syment._n._n_name[i] == '\0') | |||
| 1841 | break; | |||
| 1842 | ||||
| 1843 | newstring = (PTRvoid *) bfd_zalloc (abfd, (bfd_size_type) (i + 1)); | |||
| 1844 | if (newstring == NULL((void*)0)) | |||
| 1845 | return (NULL((void*)0)); | |||
| 1846 | strncpy (newstring, internal_ptr->u.syment._n._n_name, i); | |||
| 1847 | internal_ptr->u.syment._n._n_n._n_offset = (long int) newstring; | |||
| 1848 | internal_ptr->u.syment._n._n_n._n_zeroes = 0; | |||
| 1849 | } | |||
| 1850 | else if (internal_ptr->u.syment._n._n_n._n_offset == 0) | |||
| 1851 | internal_ptr->u.syment._n._n_n._n_offset = (long int) ""; | |||
| 1852 | else if (!bfd_coff_symname_in_debug (abfd, &internal_ptr->u.syment)((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_symname_in_debug) (abfd, &internal_ptr-> u.syment))) | |||
| 1853 | { | |||
| 1854 | /* Long name already. Point symbol at the string in the | |||
| 1855 | table. */ | |||
| 1856 | if (string_table == NULL((void*)0)) | |||
| 1857 | { | |||
| 1858 | string_table = _bfd_coff_read_string_table (abfd); | |||
| 1859 | if (string_table == NULL((void*)0)) | |||
| 1860 | return NULL((void*)0); | |||
| 1861 | } | |||
| 1862 | internal_ptr->u.syment._n._n_n._n_offset = | |||
| 1863 | ((long int) | |||
| 1864 | (string_table | |||
| 1865 | + internal_ptr->u.syment._n._n_n._n_offset)); | |||
| 1866 | } | |||
| 1867 | else | |||
| 1868 | { | |||
| 1869 | /* Long name in debug section. Very similar. */ | |||
| 1870 | if (debug_section == NULL((void*)0)) | |||
| 1871 | debug_section = build_debug_section (abfd); | |||
| 1872 | internal_ptr->u.syment._n._n_n._n_offset = (long int) | |||
| 1873 | (debug_section + internal_ptr->u.syment._n._n_n._n_offset); | |||
| 1874 | } | |||
| 1875 | } | |||
| 1876 | internal_ptr += internal_ptr->u.syment.n_numaux; | |||
| 1877 | } | |||
| 1878 | ||||
| 1879 | obj_raw_syments (abfd)(((abfd)->tdata.coff_obj_data)->raw_syments) = internal; | |||
| 1880 | BFD_ASSERT (obj_raw_syment_count (abfd){ if (!((((abfd)->tdata.coff_obj_data)->raw_syment_count ) == (unsigned int) (internal_ptr - internal))) bfd_assert("/usr/src/gnu/usr.bin/binutils/bfd/coffgen.c" ,1881); } | |||
| 1881 | == (unsigned int) (internal_ptr - internal)){ if (!((((abfd)->tdata.coff_obj_data)->raw_syment_count ) == (unsigned int) (internal_ptr - internal))) bfd_assert("/usr/src/gnu/usr.bin/binutils/bfd/coffgen.c" ,1881); }; | |||
| 1882 | ||||
| 1883 | return (internal); | |||
| 1884 | } /* coff_get_normalized_symtab() */ | |||
| 1885 | ||||
| 1886 | long | |||
| 1887 | coff_get_reloc_upper_bound (abfd, asect) | |||
| 1888 | bfd *abfd; | |||
| 1889 | sec_ptr asect; | |||
| 1890 | { | |||
| 1891 | if (bfd_get_format (abfd)((abfd)->format) != bfd_object) | |||
| 1892 | { | |||
| 1893 | bfd_set_error (bfd_error_invalid_operation); | |||
| 1894 | return -1; | |||
| 1895 | } | |||
| 1896 | return (asect->reloc_count + 1) * sizeof (arelent *); | |||
| 1897 | } | |||
| 1898 | ||||
| 1899 | asymbol * | |||
| 1900 | coff_make_empty_symbol (abfd) | |||
| 1901 | bfd *abfd; | |||
| 1902 | { | |||
| 1903 | bfd_size_type amt = sizeof (coff_symbol_type); | |||
| 1904 | coff_symbol_type *new = (coff_symbol_type *) bfd_zalloc (abfd, amt); | |||
| 1905 | if (new == NULL((void*)0)) | |||
| 1906 | return (NULL((void*)0)); | |||
| 1907 | new->symbol.section = 0; | |||
| 1908 | new->native = 0; | |||
| 1909 | new->lineno = (alent *) NULL((void*)0); | |||
| 1910 | new->done_lineno = FALSE0; | |||
| 1911 | new->symbol.the_bfd = abfd; | |||
| 1912 | return &new->symbol; | |||
| 1913 | } | |||
| 1914 | ||||
| 1915 | /* Make a debugging symbol. */ | |||
| 1916 | ||||
| 1917 | asymbol * | |||
| 1918 | coff_bfd_make_debug_symbol (abfd, ptr, sz) | |||
| 1919 | bfd *abfd; | |||
| 1920 | PTRvoid * ptr ATTRIBUTE_UNUSED__attribute__ ((__unused__)); | |||
| 1921 | unsigned long sz ATTRIBUTE_UNUSED__attribute__ ((__unused__)); | |||
| 1922 | { | |||
| 1923 | bfd_size_type amt = sizeof (coff_symbol_type); | |||
| 1924 | coff_symbol_type *new = (coff_symbol_type *) bfd_alloc (abfd, amt); | |||
| 1925 | if (new == NULL((void*)0)) | |||
| 1926 | return (NULL((void*)0)); | |||
| 1927 | /* @@ The 10 is a guess at a plausible maximum number of aux entries | |||
| 1928 | (but shouldn't be a constant). */ | |||
| 1929 | amt = sizeof (combined_entry_type) * 10; | |||
| 1930 | new->native = (combined_entry_type *) bfd_zalloc (abfd, amt); | |||
| 1931 | if (!new->native) | |||
| 1932 | return (NULL((void*)0)); | |||
| 1933 | new->symbol.section = bfd_abs_section_ptr((asection *) &bfd_abs_section); | |||
| 1934 | new->symbol.flags = BSF_DEBUGGING0x08; | |||
| 1935 | new->lineno = (alent *) NULL((void*)0); | |||
| 1936 | new->done_lineno = FALSE0; | |||
| 1937 | new->symbol.the_bfd = abfd; | |||
| 1938 | return &new->symbol; | |||
| 1939 | } | |||
| 1940 | ||||
| 1941 | void | |||
| 1942 | coff_get_symbol_info (abfd, symbol, ret) | |||
| 1943 | bfd *abfd; | |||
| 1944 | asymbol *symbol; | |||
| 1945 | symbol_info *ret; | |||
| 1946 | { | |||
| 1947 | bfd_symbol_info (symbol, ret); | |||
| 1948 | if (coffsymbol (symbol)((coff_symbol_type *)(&((symbol)->the_bfd)))->native != NULL((void*)0) | |||
| 1949 | && coffsymbol (symbol)((coff_symbol_type *)(&((symbol)->the_bfd)))->native->fix_value) | |||
| 1950 | { | |||
| 1951 | ret->value = coffsymbol (symbol)((coff_symbol_type *)(&((symbol)->the_bfd)))->native->u.syment.n_value - | |||
| 1952 | (unsigned long) obj_raw_syments (abfd)(((abfd)->tdata.coff_obj_data)->raw_syments); | |||
| 1953 | } | |||
| 1954 | } | |||
| 1955 | ||||
| 1956 | /* Return the COFF syment for a symbol. */ | |||
| 1957 | ||||
| 1958 | bfd_boolean | |||
| 1959 | bfd_coff_get_syment (abfd, symbol, psyment) | |||
| 1960 | bfd *abfd; | |||
| 1961 | asymbol *symbol; | |||
| 1962 | struct internal_syment *psyment; | |||
| 1963 | { | |||
| 1964 | coff_symbol_type *csym; | |||
| 1965 | ||||
| 1966 | csym = coff_symbol_from (abfd, symbol); | |||
| 1967 | if (csym == NULL((void*)0) || csym->native == NULL((void*)0)) | |||
| 1968 | { | |||
| 1969 | bfd_set_error (bfd_error_invalid_operation); | |||
| 1970 | return FALSE0; | |||
| 1971 | } | |||
| 1972 | ||||
| 1973 | *psyment = csym->native->u.syment; | |||
| 1974 | ||||
| 1975 | if (csym->native->fix_value) | |||
| 1976 | psyment->n_value = psyment->n_value - | |||
| 1977 | (unsigned long) obj_raw_syments (abfd)(((abfd)->tdata.coff_obj_data)->raw_syments); | |||
| 1978 | ||||
| 1979 | /* FIXME: We should handle fix_line here. */ | |||
| 1980 | ||||
| 1981 | return TRUE1; | |||
| 1982 | } | |||
| 1983 | ||||
| 1984 | /* Return the COFF auxent for a symbol. */ | |||
| 1985 | ||||
| 1986 | bfd_boolean | |||
| 1987 | bfd_coff_get_auxent (abfd, symbol, indx, pauxent) | |||
| 1988 | bfd *abfd; | |||
| 1989 | asymbol *symbol; | |||
| 1990 | int indx; | |||
| 1991 | union internal_auxent *pauxent; | |||
| 1992 | { | |||
| 1993 | coff_symbol_type *csym; | |||
| 1994 | combined_entry_type *ent; | |||
| 1995 | ||||
| 1996 | csym = coff_symbol_from (abfd, symbol); | |||
| 1997 | ||||
| 1998 | if (csym == NULL((void*)0) | |||
| 1999 | || csym->native == NULL((void*)0) | |||
| 2000 | || indx >= csym->native->u.syment.n_numaux) | |||
| 2001 | { | |||
| 2002 | bfd_set_error (bfd_error_invalid_operation); | |||
| 2003 | return FALSE0; | |||
| 2004 | } | |||
| 2005 | ||||
| 2006 | ent = csym->native + indx + 1; | |||
| 2007 | ||||
| 2008 | *pauxent = ent->u.auxent; | |||
| 2009 | ||||
| 2010 | if (ent->fix_tag) | |||
| 2011 | pauxent->x_sym.x_tagndx.l = | |||
| 2012 | ((combined_entry_type *) pauxent->x_sym.x_tagndx.p | |||
| 2013 | - obj_raw_syments (abfd)(((abfd)->tdata.coff_obj_data)->raw_syments)); | |||
| 2014 | ||||
| 2015 | if (ent->fix_end) | |||
| 2016 | pauxent->x_sym.x_fcnary.x_fcn.x_endndx.l = | |||
| 2017 | ((combined_entry_type *) pauxent->x_sym.x_fcnary.x_fcn.x_endndx.p | |||
| 2018 | - obj_raw_syments (abfd)(((abfd)->tdata.coff_obj_data)->raw_syments)); | |||
| 2019 | ||||
| 2020 | if (ent->fix_scnlen) | |||
| 2021 | pauxent->x_csect.x_scnlen.l = | |||
| 2022 | ((combined_entry_type *) pauxent->x_csect.x_scnlen.p | |||
| 2023 | - obj_raw_syments (abfd)(((abfd)->tdata.coff_obj_data)->raw_syments)); | |||
| 2024 | ||||
| 2025 | return TRUE1; | |||
| 2026 | } | |||
| 2027 | ||||
| 2028 | /* Print out information about COFF symbol. */ | |||
| 2029 | ||||
| 2030 | void | |||
| 2031 | coff_print_symbol (abfd, filep, symbol, how) | |||
| 2032 | bfd *abfd; | |||
| 2033 | PTRvoid * filep; | |||
| 2034 | asymbol *symbol; | |||
| 2035 | bfd_print_symbol_type how; | |||
| 2036 | { | |||
| 2037 | FILE *file = (FILE *) filep; | |||
| 2038 | ||||
| 2039 | switch (how) | |||
| 2040 | { | |||
| 2041 | case bfd_print_symbol_name: | |||
| 2042 | fprintf (file, "%s", symbol->name); | |||
| 2043 | break; | |||
| 2044 | ||||
| 2045 | case bfd_print_symbol_more: | |||
| 2046 | fprintf (file, "coff %s %s", | |||
| 2047 | coffsymbol (symbol)((coff_symbol_type *)(&((symbol)->the_bfd)))->native ? "n" : "g", | |||
| 2048 | coffsymbol (symbol)((coff_symbol_type *)(&((symbol)->the_bfd)))->lineno ? "l" : " "); | |||
| 2049 | break; | |||
| 2050 | ||||
| 2051 | case bfd_print_symbol_all: | |||
| 2052 | if (coffsymbol (symbol)((coff_symbol_type *)(&((symbol)->the_bfd)))->native) | |||
| 2053 | { | |||
| 2054 | bfd_vma val; | |||
| 2055 | unsigned int aux; | |||
| 2056 | combined_entry_type *combined = coffsymbol (symbol)((coff_symbol_type *)(&((symbol)->the_bfd)))->native; | |||
| 2057 | combined_entry_type *root = obj_raw_syments (abfd)(((abfd)->tdata.coff_obj_data)->raw_syments); | |||
| 2058 | struct lineno_cache_entry *l = coffsymbol (symbol)((coff_symbol_type *)(&((symbol)->the_bfd)))->lineno; | |||
| 2059 | ||||
| 2060 | fprintf (file, "[%3ld]", (long) (combined - root)); | |||
| 2061 | ||||
| 2062 | if (! combined->fix_value) | |||
| 2063 | val = (bfd_vma) combined->u.syment.n_value; | |||
| 2064 | else | |||
| 2065 | val = combined->u.syment.n_value - (unsigned long) root; | |||
| 2066 | ||||
| 2067 | #ifndef XCOFF64 | |||
| 2068 | fprintf (file, | |||
| 2069 | "(sec %2d)(fl 0x%02x)(ty %3x)(scl %3d) (nx %d) 0x%08lx %s", | |||
| 2070 | combined->u.syment.n_scnum, | |||
| 2071 | combined->u.syment.n_flags, | |||
| 2072 | combined->u.syment.n_type, | |||
| 2073 | combined->u.syment.n_sclass, | |||
| 2074 | combined->u.syment.n_numaux, | |||
| 2075 | (unsigned long) val, | |||
| 2076 | symbol->name); | |||
| 2077 | #else | |||
| 2078 | /* Print out the wide, 64 bit, symbol value */ | |||
| 2079 | fprintf (file, | |||
| 2080 | "(sec %2d)(fl 0x%02x)(ty %3x)(scl %3d) (nx %d) 0x%016llx %s", | |||
| 2081 | combined->u.syment.n_scnum, | |||
| 2082 | combined->u.syment.n_flags, | |||
| 2083 | combined->u.syment.n_type, | |||
| 2084 | combined->u.syment.n_sclass, | |||
| 2085 | combined->u.syment.n_numaux, | |||
| 2086 | val, | |||
| 2087 | symbol->name); | |||
| 2088 | #endif | |||
| 2089 | ||||
| 2090 | for (aux = 0; aux < combined->u.syment.n_numaux; aux++) | |||
| 2091 | { | |||
| 2092 | combined_entry_type *auxp = combined + aux + 1; | |||
| 2093 | long tagndx; | |||
| 2094 | ||||
| 2095 | if (auxp->fix_tag) | |||
| 2096 | tagndx = auxp->u.auxent.x_sym.x_tagndx.p - root; | |||
| 2097 | else | |||
| 2098 | tagndx = auxp->u.auxent.x_sym.x_tagndx.l; | |||
| 2099 | ||||
| 2100 | fprintf (file, "\n"); | |||
| 2101 | ||||
| 2102 | if (bfd_coff_print_aux (abfd, file, root, combined, auxp, aux)((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_print_aux) (abfd, file, root, combined, auxp, aux))) | |||
| 2103 | continue; | |||
| 2104 | ||||
| 2105 | switch (combined->u.syment.n_sclass) | |||
| 2106 | { | |||
| 2107 | case C_FILE103: | |||
| 2108 | fprintf (file, "File "); | |||
| 2109 | break; | |||
| 2110 | ||||
| 2111 | case C_STAT3: | |||
| 2112 | if (combined->u.syment.n_type == T_NULL0) | |||
| 2113 | /* probably a section symbol? */ | |||
| 2114 | { | |||
| 2115 | fprintf (file, "AUX scnlen 0x%lx nreloc %d nlnno %d", | |||
| 2116 | (long) auxp->u.auxent.x_scn.x_scnlen, | |||
| 2117 | auxp->u.auxent.x_scn.x_nreloc, | |||
| 2118 | auxp->u.auxent.x_scn.x_nlinno); | |||
| 2119 | if (auxp->u.auxent.x_scn.x_checksum != 0 | |||
| 2120 | || auxp->u.auxent.x_scn.x_associated != 0 | |||
| 2121 | || auxp->u.auxent.x_scn.x_comdat != 0) | |||
| 2122 | fprintf (file, " checksum 0x%lx assoc %d comdat %d", | |||
| 2123 | auxp->u.auxent.x_scn.x_checksum, | |||
| 2124 | auxp->u.auxent.x_scn.x_associated, | |||
| 2125 | auxp->u.auxent.x_scn.x_comdat); | |||
| 2126 | break; | |||
| 2127 | } | |||
| 2128 | /* else fall through */ | |||
| 2129 | case C_EXT2: | |||
| 2130 | if (ISFCN (combined->u.syment.n_type)(((unsigned long) (combined->u.syment.n_type) & ((abfd )->tdata.coff_obj_data)->local_n_tmask) == ((unsigned long ) (2) << ((abfd)->tdata.coff_obj_data)->local_n_btshft ))) | |||
| 2131 | { | |||
| 2132 | long next, llnos; | |||
| 2133 | ||||
| 2134 | if (auxp->fix_end) | |||
| 2135 | next = (auxp->u.auxent.x_sym.x_fcnary.x_fcn.x_endndx.p | |||
| 2136 | - root); | |||
| 2137 | else | |||
| 2138 | next = auxp->u.auxent.x_sym.x_fcnary.x_fcn.x_endndx.l; | |||
| 2139 | llnos = auxp->u.auxent.x_sym.x_fcnary.x_fcn.x_lnnoptr; | |||
| 2140 | fprintf (file, | |||
| 2141 | "AUX tagndx %ld ttlsiz 0x%lx lnnos %ld next %ld", | |||
| 2142 | tagndx, auxp->u.auxent.x_sym.x_misc.x_fsize, | |||
| 2143 | llnos, next); | |||
| 2144 | break; | |||
| 2145 | } | |||
| 2146 | /* else fall through */ | |||
| 2147 | default: | |||
| 2148 | fprintf (file, "AUX lnno %d size 0x%x tagndx %ld", | |||
| 2149 | auxp->u.auxent.x_sym.x_misc.x_lnsz.x_lnno, | |||
| 2150 | auxp->u.auxent.x_sym.x_misc.x_lnsz.x_size, | |||
| 2151 | tagndx); | |||
| 2152 | if (auxp->fix_end) | |||
| 2153 | fprintf (file, " endndx %ld", | |||
| 2154 | ((long) | |||
| 2155 | (auxp->u.auxent.x_sym.x_fcnary.x_fcn.x_endndx.p | |||
| 2156 | - root))); | |||
| 2157 | break; | |||
| 2158 | } | |||
| 2159 | } | |||
| 2160 | ||||
| 2161 | if (l) | |||
| 2162 | { | |||
| 2163 | fprintf (file, "\n%s :", l->u.sym->name); | |||
| 2164 | l++; | |||
| 2165 | while (l->line_number) | |||
| 2166 | { | |||
| 2167 | fprintf (file, "\n%4d : 0x%lx", | |||
| 2168 | l->line_number, | |||
| 2169 | ((unsigned long) | |||
| 2170 | (l->u.offset + symbol->section->vma))); | |||
| 2171 | l++; | |||
| 2172 | } | |||
| 2173 | } | |||
| 2174 | } | |||
| 2175 | else | |||
| 2176 | { | |||
| 2177 | bfd_print_symbol_vandf (abfd, (PTRvoid *) file, symbol); | |||
| 2178 | fprintf (file, " %-5s %s %s %s", | |||
| 2179 | symbol->section->name, | |||
| 2180 | coffsymbol (symbol)((coff_symbol_type *)(&((symbol)->the_bfd)))->native ? "n" : "g", | |||
| 2181 | coffsymbol (symbol)((coff_symbol_type *)(&((symbol)->the_bfd)))->lineno ? "l" : " ", | |||
| 2182 | symbol->name); | |||
| 2183 | } | |||
| 2184 | } | |||
| 2185 | } | |||
| 2186 | ||||
| 2187 | /* Return whether a symbol name implies a local symbol. In COFF, | |||
| 2188 | local symbols generally start with ``.L''. Most targets use this | |||
| 2189 | function for the is_local_label_name entry point, but some may | |||
| 2190 | override it. */ | |||
| 2191 | ||||
| 2192 | bfd_boolean | |||
| 2193 | _bfd_coff_is_local_label_name (abfd, name) | |||
| 2194 | bfd *abfd ATTRIBUTE_UNUSED__attribute__ ((__unused__)); | |||
| 2195 | const char *name; | |||
| 2196 | { | |||
| 2197 | return name[0] == '.' && name[1] == 'L'; | |||
| 2198 | } | |||
| 2199 | ||||
| 2200 | /* Provided a BFD, a section and an offset (in bytes, not octets) into the | |||
| 2201 | section, calculate and return the name of the source file and the line | |||
| 2202 | nearest to the wanted location. */ | |||
| 2203 | ||||
| 2204 | bfd_boolean | |||
| 2205 | coff_find_nearest_line (abfd, section, symbols, offset, filename_ptr, | |||
| 2206 | functionname_ptr, line_ptr) | |||
| 2207 | bfd *abfd; | |||
| 2208 | asection *section; | |||
| 2209 | asymbol **symbols; | |||
| 2210 | bfd_vma offset; | |||
| 2211 | const char **filename_ptr; | |||
| 2212 | const char **functionname_ptr; | |||
| 2213 | unsigned int *line_ptr; | |||
| 2214 | { | |||
| 2215 | bfd_boolean found; | |||
| 2216 | unsigned int i; | |||
| 2217 | unsigned int line_base; | |||
| 2218 | coff_data_type *cof = coff_data (abfd)((abfd)->tdata.coff_obj_data); | |||
| 2219 | /* Run through the raw syments if available */ | |||
| 2220 | combined_entry_type *p; | |||
| 2221 | combined_entry_type *pend; | |||
| 2222 | alent *l; | |||
| 2223 | struct coff_section_tdata *sec_data; | |||
| 2224 | bfd_size_type amt; | |||
| 2225 | ||||
| 2226 | /* Before looking through the symbol table, try to use a .stab | |||
| 2227 | section to find the information. */ | |||
| 2228 | if (! _bfd_stab_section_find_nearest_line (abfd, symbols, section, offset, | |||
| 2229 | &found, filename_ptr, | |||
| 2230 | functionname_ptr, line_ptr, | |||
| 2231 | &coff_data(abfd)((abfd)->tdata.coff_obj_data)->line_info)) | |||
| 2232 | return FALSE0; | |||
| 2233 | ||||
| 2234 | if (found) | |||
| 2235 | return TRUE1; | |||
| 2236 | ||||
| 2237 | /* Also try examining DWARF2 debugging information. */ | |||
| 2238 | if (_bfd_dwarf2_find_nearest_line (abfd, section, symbols, offset, | |||
| 2239 | filename_ptr, functionname_ptr, | |||
| 2240 | line_ptr, 0, | |||
| 2241 | &coff_data(abfd)((abfd)->tdata.coff_obj_data)->dwarf2_find_line_info)) | |||
| 2242 | return TRUE1; | |||
| 2243 | ||||
| 2244 | *filename_ptr = 0; | |||
| 2245 | *functionname_ptr = 0; | |||
| 2246 | *line_ptr = 0; | |||
| 2247 | ||||
| 2248 | /* Don't try and find line numbers in a non coff file */ | |||
| 2249 | if (!bfd_family_coff (abfd)(((abfd)->xvec->flavour) == bfd_target_coff_flavour || ( (abfd)->xvec->flavour) == bfd_target_xcoff_flavour)) | |||
| 2250 | return FALSE0; | |||
| 2251 | ||||
| 2252 | if (cof == NULL((void*)0)) | |||
| 2253 | return FALSE0; | |||
| 2254 | ||||
| 2255 | /* Find the first C_FILE symbol. */ | |||
| 2256 | p = cof->raw_syments; | |||
| 2257 | if (!p) | |||
| 2258 | return FALSE0; | |||
| 2259 | ||||
| 2260 | pend = p + cof->raw_syment_count; | |||
| 2261 | while (p < pend) | |||
| 2262 | { | |||
| 2263 | if (p->u.syment.n_sclass == C_FILE103) | |||
| 2264 | break; | |||
| 2265 | p += 1 + p->u.syment.n_numaux; | |||
| 2266 | } | |||
| 2267 | ||||
| 2268 | if (p < pend) | |||
| 2269 | { | |||
| 2270 | bfd_vma sec_vma; | |||
| 2271 | bfd_vma maxdiff; | |||
| 2272 | ||||
| 2273 | /* Look through the C_FILE symbols to find the best one. */ | |||
| 2274 | sec_vma = bfd_get_section_vma (abfd, section)((section)->vma + 0); | |||
| 2275 | *filename_ptr = (char *) p->u.syment._n._n_n._n_offset; | |||
| 2276 | maxdiff = (bfd_vma) 0 - (bfd_vma) 1; | |||
| 2277 | while (1) | |||
| 2278 | { | |||
| 2279 | combined_entry_type *p2; | |||
| 2280 | ||||
| 2281 | for (p2 = p + 1 + p->u.syment.n_numaux; | |||
| 2282 | p2 < pend; | |||
| 2283 | p2 += 1 + p2->u.syment.n_numaux) | |||
| 2284 | { | |||
| 2285 | if (p2->u.syment.n_scnum > 0 | |||
| 2286 | && (section | |||
| 2287 | == coff_section_from_bfd_index (abfd, | |||
| 2288 | p2->u.syment.n_scnum))) | |||
| 2289 | break; | |||
| 2290 | if (p2->u.syment.n_sclass == C_FILE103) | |||
| 2291 | { | |||
| 2292 | p2 = pend; | |||
| 2293 | break; | |||
| 2294 | } | |||
| 2295 | } | |||
| 2296 | ||||
| 2297 | /* We use <= MAXDIFF here so that if we get a zero length | |||
| 2298 | file, we actually use the next file entry. */ | |||
| 2299 | if (p2 < pend | |||
| 2300 | && offset + sec_vma >= (bfd_vma) p2->u.syment.n_value | |||
| 2301 | && offset + sec_vma - (bfd_vma) p2->u.syment.n_value <= maxdiff) | |||
| 2302 | { | |||
| 2303 | *filename_ptr = (char *) p->u.syment._n._n_n._n_offset; | |||
| 2304 | maxdiff = offset + sec_vma - p2->u.syment.n_value; | |||
| 2305 | } | |||
| 2306 | ||||
| 2307 | /* Avoid endless loops on erroneous files by ensuring that | |||
| 2308 | we always move forward in the file. */ | |||
| 2309 | if (p >= cof->raw_syments + p->u.syment.n_value) | |||
| 2310 | break; | |||
| 2311 | ||||
| 2312 | p = cof->raw_syments + p->u.syment.n_value; | |||
| 2313 | if (p > pend || p->u.syment.n_sclass != C_FILE103) | |||
| 2314 | break; | |||
| 2315 | } | |||
| 2316 | } | |||
| 2317 | ||||
| 2318 | /* Now wander though the raw linenumbers of the section */ | |||
| 2319 | /* If we have been called on this section before, and the offset we | |||
| 2320 | want is further down then we can prime the lookup loop. */ | |||
| 2321 | sec_data = coff_section_data (abfd, section)((struct coff_section_tdata *) (section)->used_by_bfd); | |||
| 2322 | if (sec_data != NULL((void*)0) | |||
| 2323 | && sec_data->i > 0 | |||
| 2324 | && offset >= sec_data->offset) | |||
| 2325 | { | |||
| 2326 | i = sec_data->i; | |||
| 2327 | *functionname_ptr = sec_data->function; | |||
| 2328 | line_base = sec_data->line_base; | |||
| 2329 | } | |||
| 2330 | else | |||
| 2331 | { | |||
| 2332 | i = 0; | |||
| 2333 | line_base = 0; | |||
| 2334 | } | |||
| 2335 | ||||
| 2336 | if (section->lineno != NULL((void*)0)) | |||
| 2337 | { | |||
| 2338 | bfd_vma last_value = 0; | |||
| 2339 | ||||
| 2340 | l = §ion->lineno[i]; | |||
| 2341 | ||||
| 2342 | for (; i < section->lineno_count; i++) | |||
| 2343 | { | |||
| 2344 | if (l->line_number == 0) | |||
| 2345 | { | |||
| 2346 | /* Get the symbol this line number points at */ | |||
| 2347 | coff_symbol_type *coff = (coff_symbol_type *) (l->u.sym); | |||
| 2348 | if (coff->symbol.value > offset) | |||
| 2349 | break; | |||
| 2350 | *functionname_ptr = coff->symbol.name; | |||
| 2351 | last_value = coff->symbol.value; | |||
| 2352 | if (coff->native) | |||
| 2353 | { | |||
| 2354 | combined_entry_type *s = coff->native; | |||
| 2355 | s = s + 1 + s->u.syment.n_numaux; | |||
| 2356 | ||||
| 2357 | /* In XCOFF a debugging symbol can follow the | |||
| 2358 | function symbol. */ | |||
| 2359 | if (s->u.syment.n_scnum == N_DEBUG((short)-2)) | |||
| 2360 | s = s + 1 + s->u.syment.n_numaux; | |||
| 2361 | ||||
| 2362 | /* S should now point to the .bf of the function. */ | |||
| 2363 | if (s->u.syment.n_numaux) | |||
| 2364 | { | |||
| 2365 | /* The linenumber is stored in the auxent. */ | |||
| 2366 | union internal_auxent *a = &((s + 1)->u.auxent); | |||
| 2367 | line_base = a->x_sym.x_misc.x_lnsz.x_lnno; | |||
| 2368 | *line_ptr = line_base; | |||
| 2369 | } | |||
| 2370 | } | |||
| 2371 | } | |||
| 2372 | else | |||
| 2373 | { | |||
| 2374 | if (l->u.offset > offset) | |||
| 2375 | break; | |||
| 2376 | *line_ptr = l->line_number + line_base - 1; | |||
| 2377 | } | |||
| 2378 | l++; | |||
| 2379 | } | |||
| 2380 | ||||
| 2381 | /* If we fell off the end of the loop, then assume that this | |||
| 2382 | symbol has no line number info. Otherwise, symbols with no | |||
| 2383 | line number info get reported with the line number of the | |||
| 2384 | last line of the last symbol which does have line number | |||
| 2385 | info. We use 0x100 as a slop to account for cases where the | |||
| 2386 | last line has executable code. */ | |||
| 2387 | if (i >= section->lineno_count | |||
| 2388 | && last_value != 0 | |||
| 2389 | && offset - last_value > 0x100) | |||
| 2390 | { | |||
| 2391 | *functionname_ptr = NULL((void*)0); | |||
| 2392 | *line_ptr = 0; | |||
| 2393 | } | |||
| 2394 | } | |||
| 2395 | ||||
| 2396 | /* Cache the results for the next call. */ | |||
| 2397 | if (sec_data == NULL((void*)0) && section->owner == abfd) | |||
| 2398 | { | |||
| 2399 | amt = sizeof (struct coff_section_tdata); | |||
| 2400 | section->used_by_bfd = (PTRvoid *) bfd_zalloc (abfd, amt); | |||
| 2401 | sec_data = (struct coff_section_tdata *) section->used_by_bfd; | |||
| 2402 | } | |||
| 2403 | if (sec_data != NULL((void*)0)) | |||
| 2404 | { | |||
| 2405 | sec_data->offset = offset; | |||
| 2406 | sec_data->i = i; | |||
| 2407 | sec_data->function = *functionname_ptr; | |||
| 2408 | sec_data->line_base = line_base; | |||
| 2409 | } | |||
| 2410 | ||||
| 2411 | return TRUE1; | |||
| 2412 | } | |||
| 2413 | ||||
| 2414 | int | |||
| 2415 | coff_sizeof_headers (abfd, reloc) | |||
| 2416 | bfd *abfd; | |||
| 2417 | bfd_boolean reloc; | |||
| 2418 | { | |||
| 2419 | size_t size; | |||
| 2420 | ||||
| 2421 | if (! reloc) | |||
| 2422 | { | |||
| 2423 | size = bfd_coff_filhsz (abfd)(((bfd_coff_backend_data *) (abfd)->xvec->backend_data) ->_bfd_filhsz) + bfd_coff_aoutsz (abfd)(((bfd_coff_backend_data *) (abfd)->xvec->backend_data) ->_bfd_aoutsz); | |||
| 2424 | } | |||
| 2425 | else | |||
| 2426 | { | |||
| 2427 | size = bfd_coff_filhsz (abfd)(((bfd_coff_backend_data *) (abfd)->xvec->backend_data) ->_bfd_filhsz); | |||
| 2428 | } | |||
| 2429 | ||||
| 2430 | size += abfd->section_count * bfd_coff_scnhsz (abfd)(((bfd_coff_backend_data *) (abfd)->xvec->backend_data) ->_bfd_scnhsz); | |||
| 2431 | return size; | |||
| 2432 | } | |||
| 2433 | ||||
| 2434 | /* Change the class of a coff symbol held by BFD. */ | |||
| 2435 | bfd_boolean | |||
| 2436 | bfd_coff_set_symbol_class (abfd, symbol, class) | |||
| 2437 | bfd * abfd; | |||
| 2438 | asymbol * symbol; | |||
| 2439 | unsigned int class; | |||
| 2440 | { | |||
| 2441 | coff_symbol_type * csym; | |||
| 2442 | ||||
| 2443 | csym = coff_symbol_from (abfd, symbol); | |||
| 2444 | if (csym == NULL((void*)0)) | |||
| 2445 | { | |||
| 2446 | bfd_set_error (bfd_error_invalid_operation); | |||
| 2447 | return FALSE0; | |||
| 2448 | } | |||
| 2449 | else if (csym->native == NULL((void*)0)) | |||
| 2450 | { | |||
| 2451 | /* This is an alien symbol which no native coff backend data. | |||
| 2452 | We cheat here by creating a fake native entry for it and | |||
| 2453 | then filling in the class. This code is based on that in | |||
| 2454 | coff_write_alien_symbol(). */ | |||
| 2455 | ||||
| 2456 | combined_entry_type * native; | |||
| 2457 | bfd_size_type amt = sizeof (* native); | |||
| 2458 | ||||
| 2459 | native = (combined_entry_type *) bfd_zalloc (abfd, amt); | |||
| 2460 | if (native == NULL((void*)0)) | |||
| 2461 | return FALSE0; | |||
| 2462 | ||||
| 2463 | native->u.syment.n_type = T_NULL0; | |||
| 2464 | native->u.syment.n_sclass = class; | |||
| 2465 | ||||
| 2466 | if (bfd_is_und_section (symbol->section)((symbol->section) == ((asection *) &bfd_und_section))) | |||
| 2467 | { | |||
| 2468 | native->u.syment.n_scnum = N_UNDEF((short)0); | |||
| 2469 | native->u.syment.n_value = symbol->value; | |||
| 2470 | } | |||
| 2471 | else if (bfd_is_com_section (symbol->section)(((symbol->section)->flags & 0x8000) != 0)) | |||
| 2472 | { | |||
| 2473 | native->u.syment.n_scnum = N_UNDEF((short)0); | |||
| 2474 | native->u.syment.n_value = symbol->value; | |||
| 2475 | } | |||
| 2476 | else | |||
| 2477 | { | |||
| 2478 | native->u.syment.n_scnum = | |||
| 2479 | symbol->section->output_section->target_index; | |||
| 2480 | native->u.syment.n_value = (symbol->value | |||
| 2481 | + symbol->section->output_offset); | |||
| 2482 | if (! obj_pe (abfd)(((abfd)->tdata.coff_obj_data)->pe)) | |||
| 2483 | native->u.syment.n_value += symbol->section->output_section->vma; | |||
| 2484 | ||||
| 2485 | /* Copy the any flags from the file header into the symbol. | |||
| 2486 | FIXME: Why? */ | |||
| 2487 | native->u.syment.n_flags = bfd_asymbol_bfd (& csym->symbol)((& csym->symbol)->the_bfd)->flags; | |||
| 2488 | } | |||
| 2489 | ||||
| 2490 | csym->native = native; | |||
| 2491 | } | |||
| 2492 | else | |||
| 2493 | { | |||
| 2494 | csym->native->u.syment.n_sclass = class; | |||
| 2495 | } | |||
| 2496 | ||||
| 2497 | return TRUE1; | |||
| 2498 | } |