diff options
Diffstat (limited to 'bfd/archive.c')
| -rw-r--r-- | bfd/archive.c | 323 |
1 files changed, 164 insertions, 159 deletions
diff --git a/bfd/archive.c b/bfd/archive.c index eb5f5ec..26547ba 100644 --- a/bfd/archive.c +++ b/bfd/archive.c @@ -373,7 +373,7 @@ _bfd_find_nested_archive (bfd *arch_bfd, const char *filename) abfd = abfd->archive_next) { if (filename_cmp (filename, abfd->filename) == 0) - return abfd; + return abfd; } target = NULL; if (!arch_bfd->target_defaulted) @@ -413,10 +413,10 @@ get_extended_arelt_filename (bfd *arch, const char *name, file_ptr *originp) file_ptr origin = strtol (endp + 1, NULL, 10); if (errno != 0) - { - bfd_set_error (bfd_error_malformed_archive); - return NULL; - } + { + bfd_set_error (bfd_error_malformed_archive); + return NULL; + } *originp = origin; } else @@ -455,6 +455,8 @@ _bfd_generic_read_ar_hdr_mag (bfd *abfd, const char *mag) char *allocptr = 0; file_ptr origin = 0; unsigned int extra_size = 0; + char fmag_save; + int scan; if (bfd_bread (hdrp, sizeof (struct ar_hdr), abfd) != sizeof (struct ar_hdr)) { @@ -471,8 +473,11 @@ _bfd_generic_read_ar_hdr_mag (bfd *abfd, const char *mag) } errno = 0; + fmag_save = hdr.ar_fmag[0]; hdr.ar_fmag[0] = 0; - if (sscanf (hdr.ar_size, "%" BFD_VMA_FMT "u", &parsed_size) != 1) + scan = sscanf (hdr.ar_size, "%" BFD_VMA_FMT "u", &parsed_size); + hdr.ar_fmag[0] = fmag_save; + if (scan != 1) { bfd_set_error (bfd_error_malformed_archive); return NULL; @@ -622,35 +627,35 @@ _bfd_get_elt_at_filepos (bfd *archive, file_ptr filepos) /* This is a proxy entry for an external file. */ if (! IS_ABSOLUTE_PATH (filename)) - { - filename = _bfd_append_relative_path (archive, filename); - if (filename == NULL) - return NULL; - } + { + filename = _bfd_append_relative_path (archive, filename); + if (filename == NULL) + return NULL; + } if (new_areldata->origin > 0) - { - /* This proxy entry refers to an element of a nested archive. - Locate the member of that archive and return a bfd for it. */ - bfd *ext_arch = _bfd_find_nested_archive (archive, filename); - - if (ext_arch == NULL - || ! bfd_check_format (ext_arch, bfd_archive)) - { - bfd_release (archive, new_areldata); - return NULL; - } - n_nfd = _bfd_get_elt_at_filepos (ext_arch, new_areldata->origin); - if (n_nfd == NULL) - { - bfd_release (archive, new_areldata); - return NULL; - } - n_nfd->proxy_origin = bfd_tell (archive); - return n_nfd; - } + { + /* This proxy entry refers to an element of a nested archive. + Locate the member of that archive and return a bfd for it. */ + bfd *ext_arch = _bfd_find_nested_archive (archive, filename); + + if (ext_arch == NULL + || ! bfd_check_format (ext_arch, bfd_archive)) + { + bfd_release (archive, new_areldata); + return NULL; + } + n_nfd = _bfd_get_elt_at_filepos (ext_arch, new_areldata->origin); + if (n_nfd == NULL) + { + bfd_release (archive, new_areldata); + return NULL; + } + n_nfd->proxy_origin = bfd_tell (archive); + return n_nfd; + } /* It's not an element of a nested archive; - open the external file as a bfd. */ + open the external file as a bfd. */ target = NULL; if (!archive->target_defaulted) target = archive->xvec->name; @@ -748,7 +753,7 @@ bfd_generic_openr_next_archived_file (bfd *archive, bfd *last_file) filestart = last_file->proxy_origin; if (! bfd_is_thin_archive (archive)) - filestart += size; + filestart += size; /* Pad to an even boundary... Note that last_file->origin can be odd in the case of BSD-4.4-style element with a long odd size. */ @@ -994,7 +999,7 @@ do_slurp_coff_armap (bfd *abfd) return FALSE; ardata->symdefs = (struct carsym *) bfd_zalloc (abfd, - carsym_size + stringsize + 1); + carsym_size + stringsize + 1); if (ardata->symdefs == NULL) return FALSE; carsyms = ardata->symdefs; @@ -1094,21 +1099,21 @@ bfd_slurp_armap (bfd *abfd) else if (CONST_STRNEQ (nextname, "#1/20 ")) { /* Mach-O has a special name for armap when the map is sorted by name. - However because this name has a space it is slightly more difficult - to check it. */ + However because this name has a space it is slightly more difficult + to check it. */ struct ar_hdr hdr; char extname[21]; if (bfd_bread (&hdr, sizeof (hdr), abfd) != sizeof (hdr)) - return FALSE; + return FALSE; /* Read the extended name. We know its length. */ if (bfd_bread (extname, 20, abfd) != 20) - return FALSE; + return FALSE; if (bfd_seek (abfd, -(file_ptr) (sizeof (hdr) + 20), SEEK_CUR) != 0) - return FALSE; + return FALSE; if (CONST_STRNEQ (extname, "__.SYMDEF SORTED") - || CONST_STRNEQ (extname, "__.SYMDEF")) - return do_slurp_bsd_armap (abfd); + || CONST_STRNEQ (extname, "__.SYMDEF")) + return do_slurp_bsd_armap (abfd); } bfd_has_map (abfd) = FALSE; @@ -1265,7 +1270,7 @@ _bfd_slurp_extended_name_table (bfd *abfd) amt = namedata->parsed_size; if (amt + 1 == 0) - goto byebye; + goto byebye; bfd_ardata (abfd)->extended_names_size = amt; bfd_ardata (abfd)->extended_names = (char *) bfd_zalloc (abfd, amt + 1); @@ -1291,7 +1296,7 @@ _bfd_slurp_extended_name_table (bfd *abfd) trailing '/'. DOS/NT created archive often have \ in them We'll fix all problems here.. */ { - char *ext_names = bfd_ardata (abfd)->extended_names; + char *ext_names = bfd_ardata (abfd)->extended_names; char *temp = ext_names; char *limit = temp + namedata->parsed_size; for (; temp < limit; ++temp) @@ -1381,7 +1386,7 @@ normalize (bfd *abfd ATTRIBUTE_UNUSED, const char *file) the autogenerated bfd.h header... Note - the string is returned in a static buffer. */ - + static const char * adjust_relative_path (const char * path, const char * ref_path) { @@ -1404,7 +1409,7 @@ adjust_relative_path (const char * path, const char * ref_path) rpath = lrealpath (ref_path); refp = rpath == NULL ? ref_path : rpath; - + /* Remove common leading path elements. */ for (;;) { @@ -1430,7 +1435,7 @@ adjust_relative_path (const char * path, const char * ref_path) { /* PR 12710: If the path element is "../" then instead of inserting "../" we need to insert the name of the directory - at the current level. */ + at the current level. */ if (refp > ref_path + 1 && refp[-1] == '.' && refp[-2] == '.') @@ -1441,7 +1446,7 @@ adjust_relative_path (const char * path, const char * ref_path) /* If the lrealpath calls above succeeded then we should never see dir_up and dir_down both being non-zero. */ - + len += 3 * dir_up; if (dir_down) @@ -1546,40 +1551,40 @@ _bfd_construct_extended_name_table (bfd *abfd, unsigned int thislen; if (bfd_is_thin_archive (abfd)) - { - const char *filename = current->filename; - - /* If the element being added is a member of another archive - (i.e., we are flattening), use the containing archive's name. */ - if (current->my_archive - && ! bfd_is_thin_archive (current->my_archive)) - filename = current->my_archive->filename; - - /* If the path is the same as the previous path seen, - reuse it. This can happen when flattening a thin - archive that contains other archives. */ - if (last_filename && filename_cmp (last_filename, filename) == 0) - continue; - - last_filename = filename; - - /* If the path is relative, adjust it relative to - the containing archive. */ - if (! IS_ABSOLUTE_PATH (filename) - && ! IS_ABSOLUTE_PATH (abfd->filename)) - normal = adjust_relative_path (filename, abfd->filename); - else - normal = filename; - - /* In a thin archive, always store the full pathname - in the extended name table. */ - total_namelen += strlen (normal) + 1; + { + const char *filename = current->filename; + + /* If the element being added is a member of another archive + (i.e., we are flattening), use the containing archive's name. */ + if (current->my_archive + && ! bfd_is_thin_archive (current->my_archive)) + filename = current->my_archive->filename; + + /* If the path is the same as the previous path seen, + reuse it. This can happen when flattening a thin + archive that contains other archives. */ + if (last_filename && filename_cmp (last_filename, filename) == 0) + continue; + + last_filename = filename; + + /* If the path is relative, adjust it relative to + the containing archive. */ + if (! IS_ABSOLUTE_PATH (filename) + && ! IS_ABSOLUTE_PATH (abfd->filename)) + normal = adjust_relative_path (filename, abfd->filename); + else + normal = filename; + + /* In a thin archive, always store the full pathname + in the extended name table. */ + total_namelen += strlen (normal) + 1; if (trailing_slash) /* Leave room for trailing slash. */ ++total_namelen; - continue; - } + continue; + } normal = normalize (current, current->filename); if (normal == NULL) @@ -1609,7 +1614,7 @@ _bfd_construct_extended_name_table (bfd *abfd, && hdr->ar_name[thislen] != ar_padchar (current))) { /* Must have been using extended format even though it - didn't need to. Fix it to use normal format. */ + didn't need to. Fix it to use normal format. */ memcpy (hdr->ar_name, normal, thislen); if (thislen < maxname || (thislen == maxname && thislen < sizeof hdr->ar_name)) @@ -1641,31 +1646,31 @@ _bfd_construct_extended_name_table (bfd *abfd, const char *filename = current->filename; if (bfd_is_thin_archive (abfd)) - { - /* If the element being added is a member of another archive - (i.e., we are flattening), use the containing archive's name. */ - if (current->my_archive - && ! bfd_is_thin_archive (current->my_archive)) - filename = current->my_archive->filename; - /* If the path is the same as the previous path seen, - reuse it. This can happen when flattening a thin - archive that contains other archives. - If the path is relative, adjust it relative to - the containing archive. */ - if (last_filename && filename_cmp (last_filename, filename) == 0) - normal = last_filename; - else if (! IS_ABSOLUTE_PATH (filename) - && ! IS_ABSOLUTE_PATH (abfd->filename)) - normal = adjust_relative_path (filename, abfd->filename); - else - normal = filename; - } + { + /* If the element being added is a member of another archive + (i.e., we are flattening), use the containing archive's name. */ + if (current->my_archive + && ! bfd_is_thin_archive (current->my_archive)) + filename = current->my_archive->filename; + /* If the path is the same as the previous path seen, + reuse it. This can happen when flattening a thin + archive that contains other archives. + If the path is relative, adjust it relative to + the containing archive. */ + if (last_filename && filename_cmp (last_filename, filename) == 0) + normal = last_filename; + else if (! IS_ABSOLUTE_PATH (filename) + && ! IS_ABSOLUTE_PATH (abfd->filename)) + normal = adjust_relative_path (filename, abfd->filename); + else + normal = filename; + } else - { - normal = normalize (current, filename); - if (normal == NULL) - return FALSE; - } + { + normal = normalize (current, filename); + if (normal == NULL) + return FALSE; + } thislen = strlen (normal); if (thislen > maxname || bfd_is_thin_archive (abfd)) @@ -1676,16 +1681,16 @@ _bfd_construct_extended_name_table (bfd *abfd, struct ar_hdr *hdr = arch_hdr (current); if (normal == last_filename) stroff = last_stroff; - else - { + else + { strcpy (strptr, normal); if (! trailing_slash) - strptr[thislen] = ARFMAG[1]; + strptr[thislen] = ARFMAG[1]; else - { - strptr[thislen] = '/'; - strptr[thislen + 1] = ARFMAG[1]; - } + { + strptr[thislen] = '/'; + strptr[thislen + 1] = ARFMAG[1]; + } stroff = strptr - *tabloc; last_stroff = stroff; } @@ -1693,19 +1698,19 @@ _bfd_construct_extended_name_table (bfd *abfd, if (bfd_is_thin_archive (abfd) && current->origin > 0) { int len = snprintf (hdr->ar_name + 1, maxname - 1, "%-ld:", - stroff); + stroff); _bfd_ar_spacepad (hdr->ar_name + 1 + len, maxname - 1 - len, - "%-ld", - current->origin - sizeof (struct ar_hdr)); + "%-ld", + current->origin - sizeof (struct ar_hdr)); } else - _bfd_ar_spacepad (hdr->ar_name + 1, maxname - 1, "%-ld", stroff); - if (normal != last_filename) - { + _bfd_ar_spacepad (hdr->ar_name + 1, maxname - 1, "%-ld", stroff); + if (normal != last_filename) + { strptr += thislen + 1; if (trailing_slash) - ++strptr; - last_filename = filename; + ++strptr; + last_filename = filename; } } } @@ -1718,9 +1723,9 @@ _bfd_construct_extended_name_table (bfd *abfd, bfd_boolean _bfd_archive_bsd44_construct_extended_name_table (bfd *abfd, - char **tabloc, - bfd_size_type *tablen, - const char **name) + char **tabloc, + bfd_size_type *tablen, + const char **name) { unsigned int maxname = ar_maxnamelen (abfd); bfd *current; @@ -1741,16 +1746,16 @@ _bfd_archive_bsd44_construct_extended_name_table (bfd *abfd, return FALSE; for (len = 0; normal[len]; len++) - if (normal[len] == ' ') - has_space = 1; + if (normal[len] == ' ') + has_space = 1; if (len > maxname || has_space) { - struct ar_hdr *hdr = arch_hdr (current); + struct ar_hdr *hdr = arch_hdr (current); - len = (len + 3) & ~3; - arch_eltdata (current)->extra_size = len; - _bfd_ar_spacepad (hdr->ar_name, maxname, "#1/%lu", len); + len = (len + 3) & ~3; + arch_eltdata (current)->extra_size = len; + _bfd_ar_spacepad (hdr->ar_name, maxname, "#1/%lu", len); } } @@ -1786,28 +1791,28 @@ _bfd_bsd44_write_ar_hdr (bfd *archive, bfd *abfd) BFD_ASSERT (padded_len == arch_eltdata (abfd)->extra_size); if (!_bfd_ar_sizepad (hdr->ar_size, sizeof (hdr->ar_size), - arch_eltdata (abfd)->parsed_size + padded_len)) - return FALSE; + arch_eltdata (abfd)->parsed_size + padded_len)) + return FALSE; if (bfd_bwrite (hdr, sizeof (*hdr), archive) != sizeof (*hdr)) - return FALSE; + return FALSE; if (bfd_bwrite (fullname, len, archive) != len) - return FALSE; + return FALSE; if (len & 3) - { - static const char pad[3] = { 0, 0, 0 }; + { + static const char pad[3] = { 0, 0, 0 }; - len = 4 - (len & 3); - if (bfd_bwrite (pad, len, archive) != len) - return FALSE; - } + len = 4 - (len & 3); + if (bfd_bwrite (pad, len, archive) != len) + return FALSE; + } } else { if (bfd_bwrite (hdr, sizeof (*hdr), archive) != sizeof (*hdr)) - return FALSE; + return FALSE; } return TRUE; } @@ -1887,7 +1892,7 @@ bfd_ar_hdr_from_filesystem (bfd *abfd, const char *filename, bfd *member) memset (hdr, ' ', sizeof (struct ar_hdr)); _bfd_ar_spacepad (hdr->ar_date, sizeof (hdr->ar_date), "%-12ld", - status.st_mtime); + status.st_mtime); #ifdef HPUX_LARGE_AR_IDS /* HP has a very "special" way to handle UID/GID's with numeric values > 99999. */ @@ -1896,7 +1901,7 @@ bfd_ar_hdr_from_filesystem (bfd *abfd, const char *filename, bfd *member) else #endif _bfd_ar_spacepad (hdr->ar_uid, sizeof (hdr->ar_uid), "%ld", - status.st_uid); + status.st_uid); #ifdef HPUX_LARGE_AR_IDS /* HP has a very "special" way to handle UID/GID's with numeric values > 99999. */ @@ -1905,9 +1910,9 @@ bfd_ar_hdr_from_filesystem (bfd *abfd, const char *filename, bfd *member) else #endif _bfd_ar_spacepad (hdr->ar_gid, sizeof (hdr->ar_gid), "%ld", - status.st_gid); + status.st_gid); _bfd_ar_spacepad (hdr->ar_mode, sizeof (hdr->ar_mode), "%-8lo", - status.st_mode); + status.st_mode); if (!_bfd_ar_sizepad (hdr->ar_size, sizeof (hdr->ar_size), status.st_size)) { free (ared); @@ -2153,8 +2158,8 @@ _bfd_write_archive_contents (bfd *arch) memcpy (hdr.ar_name, ename, strlen (ename)); /* Round size up to even number in archive header. */ if (!_bfd_ar_sizepad (hdr.ar_size, sizeof (hdr.ar_size), - (elength + 1) & ~(bfd_size_type) 1)) - return FALSE; + (elength + 1) & ~(bfd_size_type) 1)) + return FALSE; memcpy (hdr.ar_fmag, ARFMAG, 2); if ((bfd_bwrite (&hdr, sizeof (struct ar_hdr), arch) != sizeof (struct ar_hdr)) @@ -2176,9 +2181,9 @@ _bfd_write_archive_contents (bfd *arch) /* Write ar header. */ if (!_bfd_write_ar_hdr (arch, current)) - return FALSE; + return FALSE; if (bfd_is_thin_archive (arch)) - continue; + continue; if (bfd_seek (current, (file_ptr) 0, SEEK_SET) != 0) goto input_err; @@ -2303,7 +2308,7 @@ _bfd_compute_and_write_armap (bfd *arch, unsigned int elength) goto error_return; /* Now map over all the symbols, picking out the ones we - want. */ + want. */ for (src_count = 0; src_count < symcount; src_count++) { flagword flags = (syms[src_count])->flags; @@ -2337,7 +2342,7 @@ _bfd_compute_and_write_armap (bfd *arch, unsigned int elength) if (map[orl_count].name == NULL) goto error_return; *(map[orl_count].name) = (char *) bfd_alloc (arch, - namelen + 1); + namelen + 1); if (*(map[orl_count].name) == NULL) goto error_return; strcpy (*(map[orl_count].name), syms[src_count]->name); @@ -2427,7 +2432,7 @@ bsd_write_armap (bfd *arch, bfd_ardata (arch)->armap_datepos = (SARMAG + offsetof (struct ar_hdr, ar_date[0])); _bfd_ar_spacepad (hdr.ar_date, sizeof (hdr.ar_date), "%ld", - bfd_ardata (arch)->armap_timestamp); + bfd_ardata (arch)->armap_timestamp); _bfd_ar_spacepad (hdr.ar_uid, sizeof (hdr.ar_uid), "%ld", uid); _bfd_ar_spacepad (hdr.ar_gid, sizeof (hdr.ar_gid), "%ld", gid); if (!_bfd_ar_sizepad (hdr.ar_size, sizeof (hdr.ar_size), mapsize)) @@ -2448,10 +2453,10 @@ bsd_write_armap (bfd *arch, { do { - struct areltdata *ared = arch_eltdata (current); + struct areltdata *ared = arch_eltdata (current); firstreal += (ared->parsed_size + ared->extra_size - + sizeof (struct ar_hdr)); + + sizeof (struct ar_hdr)); firstreal += firstreal % 2; current = current->archive_next; } @@ -2525,7 +2530,7 @@ _bfd_archive_bsd_update_armap_timestamp (bfd *arch) /* Prepare an ASCII version suitable for writing. */ memset (hdr.ar_date, ' ', sizeof (hdr.ar_date)); _bfd_ar_spacepad (hdr.ar_date, sizeof (hdr.ar_date), "%ld", - bfd_ardata (arch)->armap_timestamp); + bfd_ardata (arch)->armap_timestamp); /* Write it into the file. */ bfd_ardata (arch)->armap_datepos = (SARMAG @@ -2589,8 +2594,8 @@ coff_write_armap (bfd *arch, if (!_bfd_ar_sizepad (hdr.ar_size, sizeof (hdr.ar_size), mapsize)) return FALSE; _bfd_ar_spacepad (hdr.ar_date, sizeof (hdr.ar_date), "%ld", - ((arch->flags & BFD_DETERMINISTIC_OUTPUT) == 0 - ? time (NULL) : 0)); + ((arch->flags & BFD_DETERMINISTIC_OUTPUT) == 0 + ? time (NULL) : 0)); /* This, at least, is what Intel coff sets the values to. */ _bfd_ar_spacepad (hdr.ar_uid, sizeof (hdr.ar_uid), "%ld", 0); _bfd_ar_spacepad (hdr.ar_gid, sizeof (hdr.ar_gid), "%ld", 0); @@ -2626,12 +2631,12 @@ coff_write_armap (bfd *arch, } archive_member_file_ptr += sizeof (struct ar_hdr); if (! bfd_is_thin_archive (arch)) - { - /* Add size of this archive entry. */ - archive_member_file_ptr += arelt_size (current); - /* Remember about the even alignment. */ - archive_member_file_ptr += archive_member_file_ptr % 2; - } + { + /* Add size of this archive entry. */ + archive_member_file_ptr += arelt_size (current); + /* Remember about the even alignment. */ + archive_member_file_ptr += archive_member_file_ptr % 2; + } current = current->archive_next; } |