diff options
| -rw-r--r-- | ld/ChangeLog | 13 | ||||
| -rw-r--r-- | ld/NEWS | 3 | ||||
| -rw-r--r-- | ld/emultempl/spuelf.em | 1 | ||||
| -rw-r--r-- | ld/ld.texinfo | 26 | ||||
| -rw-r--r-- | ld/ldlang.c | 259 | ||||
| -rw-r--r-- | ld/ldmain.c | 1 |
6 files changed, 177 insertions, 126 deletions
diff --git a/ld/ChangeLog b/ld/ChangeLog index 228d15f..95c298e 100644 --- a/ld/ChangeLog +++ b/ld/ChangeLog @@ -1,3 +1,16 @@ +2008-06-07 Alan Modra <amodra@bigpond.net.au> + + * NEWS: Mention archive:path patterns. + * ld.texinfo: Likewise. + * ldlang.c: Formatting throughout. + (archive_path): Only assume "[A-Za-z]:" is a dos drive. + (input_statement_is_archive_path): New function, extracted from.. + (walk_wild): ..here. + (walk_wild_consider_section): Match archive:path here too. + (init_map_userdata, sort_def_symbol): Convert to ISO C. + * ldmain.c (main): Set link_info.path_separator. + * emultempl/spuelf.em (choose_target): Don't set it here. + 2008-06-06 Alan Modra <amodra@bigpond.net.au> * ldlang.c (name_match): New function. @@ -1,4 +1,7 @@ -*- text -*- +* Linker script input section filespecs may now specify a file within an + archive by writing "archive:file". + * The --sort-common switch now has an optional argument which specifies the direction of sorting. diff --git a/ld/emultempl/spuelf.em b/ld/emultempl/spuelf.em index 3c8b7d3..a56d78f 100644 --- a/ld/emultempl/spuelf.em +++ b/ld/emultempl/spuelf.em @@ -350,7 +350,6 @@ gld${EMULATION_NAME}_finish (void) static char * gld${EMULATION_NAME}_choose_target (int argc, char *argv[]) { - link_info.path_separator = ':'; my_argc = argc; my_argv = argv; return ldemul_default_target (argc, argv); diff --git a/ld/ld.texinfo b/ld/ld.texinfo index c8becd5..c90d953 100644 --- a/ld/ld.texinfo +++ b/ld/ld.texinfo @@ -3431,6 +3431,29 @@ needs to be at a particular location in memory. For example: data.o(.data) @end smallexample +You can also specify files within archives by writing a pattern +matching the archive, a colon, then the pattern matching the file, +with no whitespace around the colon. + +@table @samp +@item archive:file +matches file within archive +@item archive: +matches the whole archive +@item :file +matches file but not one in an archive +@end table + +Either one or both of @samp{archive} and @samp{file} can contain shell +wildcards. On DOS based file systems, the linker will assume that a +single letter followed by a colon is a drive specifier, so +@samp{c:myfile.o} is a simple file specification, not @samp{myfile.o} +within an archive called @samp{c}. @samp{archive:file} filespecs may +also be used within an @code{EXCLUDE_FILE} list, but may not appear in +other linker script contexts. For instance, you cannot extract a file +from an archive by using @samp{archive:file} in an @code{INPUT} +command. + If you use a file name without a list of sections, then all sections in the input file will be included in the output section. This is not commonly done, but it may by useful on occasion. For example: @@ -3438,7 +3461,8 @@ commonly done, but it may by useful on occasion. For example: data.o @end smallexample -When you use a file name which does not contain any wild card +When you use a file name which is not an @samp{archive:file} specifier +and does not contain any wild card characters, the linker will first see if you also specified the file name on the linker command line or in an @code{INPUT} command. If you did not, the linker will attempt to open the file as an input file, as diff --git a/ld/ldlang.c b/ld/ldlang.c index 8cf486e..7fc4ff3 100644 --- a/ld/ldlang.c +++ b/ld/ldlang.c @@ -160,12 +160,39 @@ archive_path (const char *pattern) /* Assume a match on the second char is part of drive specifier, as in "c:\silly.dos". */ - if (p == pattern + 1) + if (p == pattern + 1 && ISALPHA (*pattern)) p = strchr (p + 1, link_info.path_separator); #endif return p; } +/* Given that FILE_SPEC results in a non-NULL SEP result from archive_path, + return whether F matches FILE_SPEC. */ + +static bfd_boolean +input_statement_is_archive_path (const char *file_spec, char *sep, + lang_input_statement_type *f) +{ + bfd_boolean match = FALSE; + + if ((*(sep + 1) == 0 + || name_match (sep + 1, f->filename) == 0) + && ((sep != file_spec) + == (f->the_bfd != NULL && f->the_bfd->my_archive != NULL))) + { + match = TRUE; + + if (sep != file_spec) + { + const char *aname = f->the_bfd->my_archive->filename; + *sep = 0; + match = name_match (file_spec, aname) == 0; + *sep = link_info.path_separator; + } + } + return match; +} + bfd_boolean unique_section_p (const asection *sec) { @@ -200,7 +227,6 @@ walk_wild_consider_section (lang_wild_statement_type *ptr, callback_t callback, void *data) { - bfd_boolean skip = FALSE; struct name_list *list_tmp; /* Don't process sections from files which were excluded. */ @@ -208,24 +234,28 @@ walk_wild_consider_section (lang_wild_statement_type *ptr, list_tmp; list_tmp = list_tmp->next) { - skip = name_match (list_tmp->name, file->filename) == 0; + char *p = archive_path (list_tmp->name); - /* If this file is part of an archive, and the archive is - excluded, exclude this file. */ - if (! skip && file->the_bfd != NULL - && file->the_bfd->my_archive != NULL - && file->the_bfd->my_archive->filename != NULL) + if (p != NULL) { - skip = name_match (list_tmp->name, - file->the_bfd->my_archive->filename) == 0; + if (input_statement_is_archive_path (list_tmp->name, p, file)) + return; } - if (skip) - break; + else if (name_match (list_tmp->name, file->filename) == 0) + return; + + /* FIXME: Perhaps remove the following at some stage? Matching + unadorned archives like this was never documented and has + been superceded by the archive:path syntax. */ + else if (file->the_bfd != NULL + && file->the_bfd->my_archive != NULL + && name_match (list_tmp->name, + file->the_bfd->my_archive->filename) == 0) + return; } - if (!skip) - (*callback) (ptr, sec, s, file, data); + (*callback) (ptr, sec, s, file, data); } /* Lowest common denominator routine that can handle everything correctly, @@ -809,23 +839,8 @@ walk_wild (lang_wild_statement_type *s, callback_t callback, void *data) { LANG_FOR_EACH_INPUT_STATEMENT (f) { - if ((*(p + 1) == 0 - || name_match (p + 1, f->filename) == 0) - && ((p != file_spec) - == (f->the_bfd != NULL && f->the_bfd->my_archive != NULL))) - { - bfd_boolean skip = FALSE; - - if (p != file_spec) - { - const char *aname = f->the_bfd->my_archive->filename; - *p = 0; - skip = name_match (file_spec, aname) != 0; - *p = link_info.path_separator; - } - if (!skip) - walk_wild_file (s, f, callback, data); - } + if (input_statement_is_archive_path (file_spec, p, f)) + walk_wild_file (s, f, callback, data); } } else if (wildcardp (file_spec)) @@ -1873,10 +1888,9 @@ lang_map (void) } static void -init_map_userdata (abfd, sec, data) - bfd *abfd ATTRIBUTE_UNUSED; - asection *sec; - void *data ATTRIBUTE_UNUSED; +init_map_userdata (bfd *abfd ATTRIBUTE_UNUSED, + asection *sec, + void *data ATTRIBUTE_UNUSED) { fat_section_userdata_type *new_data = ((fat_section_userdata_type *) (stat_alloc @@ -1888,9 +1902,8 @@ init_map_userdata (abfd, sec, data) } static bfd_boolean -sort_def_symbol (hash_entry, info) - struct bfd_link_hash_entry *hash_entry; - void *info ATTRIBUTE_UNUSED; +sort_def_symbol (struct bfd_link_hash_entry *hash_entry, + void *info ATTRIBUTE_UNUSED) { if (hash_entry->type == bfd_link_hash_defined || hash_entry->type == bfd_link_hash_defweak) @@ -2493,7 +2506,7 @@ load_symbols (lang_input_statement_type *entry, } else if (err != bfd_error_file_not_recognized || place == NULL) - einfo (_("%F%B: file not recognized: %E\n"), entry->the_bfd); + einfo (_("%F%B: file not recognized: %E\n"), entry->the_bfd); else bad_load = FALSE; @@ -2741,7 +2754,7 @@ closest_target_match (const bfd_target *target, void *data) return 0; /* Ignore generic big and little endian elf vectors. */ - if ( strcmp (target->name, "elf32-big") == 0 + if (strcmp (target->name, "elf32-big") == 0 || strcmp (target->name, "elf64-big") == 0 || strcmp (target->name, "elf32-little") == 0 || strcmp (target->name, "elf64-little") == 0) @@ -3175,28 +3188,28 @@ check_input_sections for (; s != (lang_statement_union_type *) NULL; s = s->header.next) { switch (s->header.type) - { - case lang_wild_statement_enum: - walk_wild (&s->wild_statement, check_section_callback, - output_section_statement); - if (! output_section_statement->all_input_readonly) - return; - break; - case lang_constructors_statement_enum: - check_input_sections (constructor_list.head, - output_section_statement); - if (! output_section_statement->all_input_readonly) - return; - break; - case lang_group_statement_enum: - check_input_sections (s->group_statement.children.head, - output_section_statement); - if (! output_section_statement->all_input_readonly) - return; - break; - default: - break; - } + { + case lang_wild_statement_enum: + walk_wild (&s->wild_statement, check_section_callback, + output_section_statement); + if (! output_section_statement->all_input_readonly) + return; + break; + case lang_constructors_statement_enum: + check_input_sections (constructor_list.head, + output_section_statement); + if (! output_section_statement->all_input_readonly) + return; + break; + case lang_group_statement_enum: + check_input_sections (s->group_statement.children.head, + output_section_statement); + if (! output_section_statement->all_input_readonly) + return; + break; + default: + break; + } } } @@ -3354,7 +3367,6 @@ map_input_to_output_sections break; case lang_address_statement_enum: /* Mark the specified section with the supplied address. - If this section was actually a segment marker, then the directive is ignored if the linker script explicitly processed the segment marker. Originally, the linker @@ -3419,7 +3431,7 @@ process_insert_statements (void) where = lang_output_section_find (i->where); if (where != NULL && i->is_before) { - do + do where = where->prev; while (where != NULL && where->constraint == -1); } @@ -3778,10 +3790,9 @@ print_assignment (lang_assignment_statement_type *assignment, static void print_input_statement (lang_input_statement_type *statm) { - if ((statm->filename != NULL) - && ((statm->the_bfd == NULL) - || - ((statm->the_bfd->flags & BFD_LINKER_CREATED) == 0))) + if (statm->filename != NULL + && (statm->the_bfd == NULL + || (statm->the_bfd->flags & BFD_LINKER_CREATED) == 0)) fprintf (config.map_file, "LOAD %s\n", statm->filename); } @@ -5047,8 +5058,8 @@ lang_size_sections (bfd_boolean *relax, bfd_boolean check_regions) expld.dataseg.base += (-expld.dataseg.relro_end & (expld.dataseg.pagesize - 1)); /* Compute the expected PT_GNU_RELRO segment end. */ - relro_end = (expld.dataseg.relro_end + expld.dataseg.pagesize - 1) - & ~(expld.dataseg.pagesize - 1); + relro_end = ((expld.dataseg.relro_end + expld.dataseg.pagesize - 1) + & ~(expld.dataseg.pagesize - 1)); if (old_min_base + maxpage < expld.dataseg.base) { expld.dataseg.base -= maxpage; @@ -5486,19 +5497,19 @@ lang_common (void) unsigned int power; if (config.sort_common == sort_descending) - { - for (power = 4; power > 0; power--) - bfd_link_hash_traverse (link_info.hash, lang_one_common, &power); - - power = 0; - bfd_link_hash_traverse (link_info.hash, lang_one_common, &power); - } + { + for (power = 4; power > 0; power--) + bfd_link_hash_traverse (link_info.hash, lang_one_common, &power); + + power = 0; + bfd_link_hash_traverse (link_info.hash, lang_one_common, &power); + } else - { - for (power = 0; power <= 4; power++) - bfd_link_hash_traverse (link_info.hash, lang_one_common, &power); + { + for (power = 0; power <= 4; power++) + bfd_link_hash_traverse (link_info.hash, lang_one_common, &power); - power = UINT_MAX; + power = UINT_MAX; bfd_link_hash_traverse (link_info.hash, lang_one_common, &power); } } @@ -5523,7 +5534,7 @@ lang_one_common (struct bfd_link_hash_entry *h, void *info) && power_of_two < *(unsigned int *) info) return TRUE; else if (config.sort_common == sort_ascending - && power_of_two > *(unsigned int *) info) + && power_of_two > *(unsigned int *) info) return TRUE; section = h->u.c.p->section; @@ -5801,9 +5812,9 @@ lang_enter_output_section_statement (const char *output_section_statement_name, { lang_output_section_statement_type *os; - os = lang_output_section_statement_lookup_1 (output_section_statement_name, - constraint); - current_section = os; + os = lang_output_section_statement_lookup_1 (output_section_statement_name, + constraint); + current_section = os; /* Make next things chain into subchain of this. */ @@ -6948,44 +6959,44 @@ lang_vers_match (struct bfd_elf_version_expr_head *head, switch (prev ? prev->mask : 0) { - case 0: - if (head->mask & BFD_ELF_VERSION_C_TYPE) - { - e.symbol = sym; - expr = htab_find (head->htab, &e); - while (expr && strcmp (expr->symbol, sym) == 0) - if (expr->mask == BFD_ELF_VERSION_C_TYPE) - goto out_ret; - else - expr = expr->next; - } - /* Fallthrough */ - case BFD_ELF_VERSION_C_TYPE: - if (head->mask & BFD_ELF_VERSION_CXX_TYPE) - { - e.symbol = cxx_sym; - expr = htab_find (head->htab, &e); - while (expr && strcmp (expr->symbol, cxx_sym) == 0) - if (expr->mask == BFD_ELF_VERSION_CXX_TYPE) - goto out_ret; - else - expr = expr->next; - } - /* Fallthrough */ - case BFD_ELF_VERSION_CXX_TYPE: - if (head->mask & BFD_ELF_VERSION_JAVA_TYPE) - { - e.symbol = java_sym; - expr = htab_find (head->htab, &e); - while (expr && strcmp (expr->symbol, java_sym) == 0) - if (expr->mask == BFD_ELF_VERSION_JAVA_TYPE) - goto out_ret; - else - expr = expr->next; - } - /* Fallthrough */ - default: - break; + case 0: + if (head->mask & BFD_ELF_VERSION_C_TYPE) + { + e.symbol = sym; + expr = htab_find (head->htab, &e); + while (expr && strcmp (expr->symbol, sym) == 0) + if (expr->mask == BFD_ELF_VERSION_C_TYPE) + goto out_ret; + else + expr = expr->next; + } + /* Fallthrough */ + case BFD_ELF_VERSION_C_TYPE: + if (head->mask & BFD_ELF_VERSION_CXX_TYPE) + { + e.symbol = cxx_sym; + expr = htab_find (head->htab, &e); + while (expr && strcmp (expr->symbol, cxx_sym) == 0) + if (expr->mask == BFD_ELF_VERSION_CXX_TYPE) + goto out_ret; + else + expr = expr->next; + } + /* Fallthrough */ + case BFD_ELF_VERSION_CXX_TYPE: + if (head->mask & BFD_ELF_VERSION_JAVA_TYPE) + { + e.symbol = java_sym; + expr = htab_find (head->htab, &e); + while (expr && strcmp (expr->symbol, java_sym) == 0) + if (expr->mask == BFD_ELF_VERSION_JAVA_TYPE) + goto out_ret; + else + expr = expr->next; + } + /* Fallthrough */ + default: + break; } } @@ -7014,7 +7025,7 @@ lang_vers_match (struct bfd_elf_version_expr_head *head, break; } -out_ret: + out_ret: if (cxx_sym != sym) free ((char *) cxx_sym); if (java_sym != sym) diff --git a/ld/ldmain.c b/ld/ldmain.c index dd7b7fe..e7b9c0f 100644 --- a/ld/ldmain.c +++ b/ld/ldmain.c @@ -276,6 +276,7 @@ main (int argc, char **argv) link_info.relax_pass = 1; link_info.pei386_auto_import = -1; link_info.spare_dynamic_tags = 5; + link_info.path_separator = ':'; ldfile_add_arch (""); emulation = get_emulation (argc, argv); |