/* Local variables. */
static struct obstack stat_obstack;
static struct obstack map_obstack;
+static struct obstack pt_obstack;
#define obstack_chunk_alloc xmalloc
#define obstack_chunk_free free
static lang_input_statement_type *lookup_name (const char *);
static void insert_undefined (const char *);
static bool sort_def_symbol (struct bfd_link_hash_entry *, void *);
+static lang_statement_union_type *new_statement (enum statement_enum type,
+ size_t size,
+ lang_statement_list_type *list);
static void print_statement (lang_statement_union_type *,
lang_output_section_statement_type *);
static void print_statement_list (lang_statement_union_type *,
size_t nl = spec->namelen;
size_t pl = spec->prefixlen;
size_t sl = spec->suffixlen;
+ size_t inputlen = strlen (name);
int r;
- if (pl && (r = memcmp (spec->name, name, pl)))
- return r;
+
+ if (pl)
+ {
+ if (inputlen < pl)
+ return 1;
+
+ r = memcmp (spec->name, name, pl);
+ if (r)
+ return r;
+ }
+
if (sl)
{
- size_t inputlen = strlen (name);
if (inputlen < sl)
return 1;
+
r = memcmp (spec->name + nl - sl, name + inputlen - sl, sl);
if (r)
return r;
}
+
if (nl == pl + sl + 1 && spec->name[pl] == '*')
return 0;
- else if (nl > pl)
+
+ if (nl > pl)
return fnmatch (spec->name + pl, name + pl, 0);
- return name[nl];
+
+ if (inputlen >= nl)
+ return name[nl];
+
+ return 0;
}
static char *
return false;
}
-/* Try processing a section against a wildcard. This just calls
- the callback unless the filename exclusion list is present
- and excludes the file. It's hardly ever present so this
- function is very fast. */
+/* Add SECTION (from input FILE) to the list of matching sections
+ within PTR (the matching wildcard is SEC). */
static void
-walk_wild_consider_section (lang_wild_statement_type *ptr,
- lang_input_statement_type *file,
- asection *s,
- struct wildcard_list *sec,
- callback_t callback,
- void *data)
-{
- /* Don't process sections from files which were excluded. */
- if (walk_wild_file_in_exclude_list (sec->spec.exclude_name_list, file))
- return;
-
- (*callback) (ptr, sec, s, file, data);
+add_matching_section (lang_wild_statement_type *ptr,
+ struct wildcard_list *sec,
+ asection *section,
+ lang_input_statement_type *file)
+{
+ lang_input_matcher_type *new_section;
+ /* Add a section reference to the list. */
+ new_section = new_stat (lang_input_matcher, &ptr->matching_sections);
+ new_section->section = section;
+ new_section->pattern = sec;
+ new_section->input_stmt = file;
}
-/* Lowest common denominator routine that can handle everything correctly,
- but slowly. */
+/* Process section S (from input file FILE) in relation to wildcard
+ statement PTR. We already know that a prefix of the name of S matches
+ some wildcard in PTR's wildcard list. Here we check if the filename
+ matches as well (if it's specified) and if any of the wildcards in fact
+ does match. */
static void
-walk_wild_section_general (lang_wild_statement_type *ptr,
- lang_input_statement_type *file,
- callback_t callback,
- void *data)
+walk_wild_section_match (lang_wild_statement_type *ptr,
+ lang_input_statement_type *file,
+ asection *s)
{
- asection *s;
struct wildcard_list *sec;
+ const char *file_spec = ptr->filename;
+ char *p;
- for (s = file->the_bfd->sections; s != NULL; s = s->next)
+ /* Check if filenames match. */
+ if (file_spec == NULL)
+ ;
+ else if ((p = archive_path (file_spec)) != NULL)
{
- sec = ptr->section_list;
- if (sec == NULL)
- (*callback) (ptr, sec, s, file, data);
-
- while (sec != NULL)
- {
- bool skip = false;
-
- if (sec->spec.name != NULL)
- {
- const char *sname = bfd_section_name (s);
-
- skip = spec_match (&sec->spec, sname) != 0;
- }
-
- if (!skip)
- walk_wild_consider_section (ptr, file, s, sec, callback, data);
-
- sec = sec->next;
- }
+ if (!input_statement_is_archive_path (file_spec, p, file))
+ return;
}
-}
-
-/* Routines to find a single section given its name. If there's more
- than one section with that name, we report that. */
-
-typedef struct
-{
- asection *found_section;
- bool multiple_sections_found;
-} section_iterator_callback_data;
-
-static bool
-section_iterator_callback (bfd *abfd ATTRIBUTE_UNUSED, asection *s, void *data)
-{
- section_iterator_callback_data *d = (section_iterator_callback_data *) data;
-
- if (d->found_section != NULL)
+ else if (wildcardp (file_spec))
{
- d->multiple_sections_found = true;
- return true;
+ if (fnmatch (file_spec, file->filename, 0) != 0)
+ return;
+ }
+ else
+ {
+ lang_input_statement_type *f;
+ /* Perform the iteration over a single file. */
+ f = lookup_name (file_spec);
+ if (f != file)
+ return;
}
- d->found_section = s;
- return false;
-}
+ /* If filename is excluded we're done. */
+ if (walk_wild_file_in_exclude_list (ptr->exclude_name_list, file))
+ return;
-static asection *
-find_section (lang_input_statement_type *file,
- struct wildcard_list *sec,
- bool *multiple_sections_found)
-{
- section_iterator_callback_data cb_data = { NULL, false };
+ /* Check section name against each wildcard spec. If there's no
+ wildcard all sections match. */
+ sec = ptr->section_list;
+ if (sec == NULL)
+ add_matching_section (ptr, sec, s, file);
+ else
+ {
+ const char *sname = bfd_section_name (s);
+ for (; sec != NULL; sec = sec->next)
+ {
+ if (sec->spec.name != NULL
+ && spec_match (&sec->spec, sname) != 0)
+ continue;
- bfd_get_section_by_name_if (file->the_bfd, sec->spec.name,
- section_iterator_callback, &cb_data);
- *multiple_sections_found = cb_data.multiple_sections_found;
- return cb_data.found_section;
+ /* Don't process sections from files which were excluded. */
+ if (!walk_wild_file_in_exclude_list (sec->spec.exclude_name_list,
+ file))
+ add_matching_section (ptr, sec, s, file);
+ }
+ }
}
/* Return the numerical value of the init_priority attribute from
free (tree);
}
-/* Specialized, optimized routines for handling different kinds of
- wildcards */
-
-static void
-walk_wild_section_specs1_wild0 (lang_wild_statement_type *ptr,
- lang_input_statement_type *file,
- callback_t callback,
- void *data)
-{
- /* We can just do a hash lookup for the section with the right name.
- But if that lookup discovers more than one section with the name
- (should be rare), we fall back to the general algorithm because
- we would otherwise have to sort the sections to make sure they
- get processed in the bfd's order. */
- bool multiple_sections_found;
- struct wildcard_list *sec0 = ptr->handler_data[0];
- asection *s0 = find_section (file, sec0, &multiple_sections_found);
-
- if (multiple_sections_found)
- walk_wild_section_general (ptr, file, callback, data);
- else if (s0)
- walk_wild_consider_section (ptr, file, s0, sec0, callback, data);
-}
+\f
+/* Sections are matched against wildcard statements via a prefix tree.
+ The prefix tree holds prefixes of all matching patterns (up to the first
+ wildcard character), and the wild statement from which those patterns
+ came. When matching a section name against the tree we're walking through
+ the tree character by character. Each statement we hit is one that
+ potentially matches. This is checked by actually going through the
+ (glob) matching routines.
+
+ When the section name turns out to actually match we record that section
+ in the wild statements list of matching sections. */
+
+/* A prefix can be matched by multiple statement, so we need a list of them. */
+struct wild_stmt_list
+{
+ lang_wild_statement_type *stmt;
+ struct wild_stmt_list *next;
+};
-static void
-walk_wild_section_specs1_wild1 (lang_wild_statement_type *ptr,
- lang_input_statement_type *file,
- callback_t callback,
- void *data)
+/* The prefix tree itself. */
+struct prefixtree
{
- asection *s;
- struct wildcard_list *wildsec0 = ptr->handler_data[0];
+ /* The list of all children (linked via .next). */
+ struct prefixtree *child;
+ struct prefixtree *next;
+ /* This tree node is responsible for the prefix of parent plus 'c'. */
+ char c;
+ /* The statements that potentially can match this prefix. */
+ struct wild_stmt_list *stmt;
+};
- for (s = file->the_bfd->sections; s != NULL; s = s->next)
- {
- const char *sname = bfd_section_name (s);
- bool skip = !match_simple_wild (wildsec0->spec.name, sname);
+/* We always have a root node in the prefix tree. It corresponds to the
+ empty prefix. E.g. a glob like "*" would sit in this root. */
+static struct prefixtree the_root, *ptroot = &the_root;
- if (!skip)
- walk_wild_consider_section (ptr, file, s, wildsec0, callback, data);
- }
-}
+/* Given a prefix tree in *TREE, corresponding to prefix P, find or
+ INSERT the tree node corresponding to prefix P+C. */
-static void
-walk_wild_section_specs2_wild1 (lang_wild_statement_type *ptr,
- lang_input_statement_type *file,
- callback_t callback,
- void *data)
+static struct prefixtree *
+get_prefix_tree (struct prefixtree **tree, char c, bool insert)
{
- asection *s;
- struct wildcard_list *sec0 = ptr->handler_data[0];
- struct wildcard_list *wildsec1 = ptr->handler_data[1];
- bool multiple_sections_found;
- asection *s0 = find_section (file, sec0, &multiple_sections_found);
-
- if (multiple_sections_found)
- {
- walk_wild_section_general (ptr, file, callback, data);
- return;
- }
+ struct prefixtree *t;
+ for (t = *tree; t; t = t->next)
+ if (t->c == c)
+ return t;
+ if (!insert)
+ return NULL;
+ t = (struct prefixtree *) obstack_alloc (&pt_obstack, sizeof *t);
+ t->child = NULL;
+ t->next = *tree;
+ t->c = c;
+ t->stmt = NULL;
+ *tree = t;
+ return t;
+}
- /* Note that if the section was not found, s0 is NULL and
- we'll simply never succeed the s == s0 test below. */
- for (s = file->the_bfd->sections; s != NULL; s = s->next)
- {
- /* Recall that in this code path, a section cannot satisfy more
- than one spec, so if s == s0 then it cannot match
- wildspec1. */
- if (s == s0)
- walk_wild_consider_section (ptr, file, s, sec0, callback, data);
- else
- {
- const char *sname = bfd_section_name (s);
- bool skip = !match_simple_wild (wildsec1->spec.name, sname);
+/* Add STMT to the set of statements that can be matched by the prefix
+ corresponding to prefix tree T. */
- if (!skip)
- walk_wild_consider_section (ptr, file, s, wildsec1, callback,
- data);
- }
- }
+static void
+pt_add_stmt (struct prefixtree *t, lang_wild_statement_type *stmt)
+{
+ struct wild_stmt_list *sl, **psl;
+ sl = (struct wild_stmt_list *) obstack_alloc (&pt_obstack, sizeof *sl);
+ sl->stmt = stmt;
+ sl->next = NULL;
+ psl = &t->stmt;
+ while (*psl)
+ psl = &(*psl)->next;
+ *psl = sl;
}
+/* Insert STMT into the global prefix tree. */
+
static void
-walk_wild_section_specs3_wild2 (lang_wild_statement_type *ptr,
- lang_input_statement_type *file,
- callback_t callback,
- void *data)
+insert_prefix_tree (lang_wild_statement_type *stmt)
{
- asection *s;
- struct wildcard_list *sec0 = ptr->handler_data[0];
- struct wildcard_list *wildsec1 = ptr->handler_data[1];
- struct wildcard_list *wildsec2 = ptr->handler_data[2];
- bool multiple_sections_found;
- asection *s0 = find_section (file, sec0, &multiple_sections_found);
+ struct wildcard_list *sec;
+ struct prefixtree *t;
- if (multiple_sections_found)
+ if (!stmt->section_list)
{
- walk_wild_section_general (ptr, file, callback, data);
+ /* If we have no section_list (no wildcards in the wild STMT),
+ then every section name will match, so add this to the root. */
+ pt_add_stmt (ptroot, stmt);
return;
}
- for (s = file->the_bfd->sections; s != NULL; s = s->next)
+ for (sec = stmt->section_list; sec; sec = sec->next)
{
- if (s == s0)
- walk_wild_consider_section (ptr, file, s, sec0, callback, data);
- else
+ const char *name = sec->spec.name ? sec->spec.name : "*";
+ char c;
+ t = ptroot;
+ for (; (c = *name); name++)
{
- const char *sname = bfd_section_name (s);
- bool skip = !match_simple_wild (wildsec1->spec.name, sname);
-
- if (!skip)
- walk_wild_consider_section (ptr, file, s, wildsec1, callback, data);
- else
- {
- skip = !match_simple_wild (wildsec2->spec.name, sname);
- if (!skip)
- walk_wild_consider_section (ptr, file, s, wildsec2, callback,
- data);
- }
+ if (c == '*' || c == '[' || c == '?')
+ break;
+ t = get_prefix_tree (&t->child, c, true);
}
+ /* If we hit a glob character, the matching prefix is what we saw
+ until now. If we hit the end of pattern (hence it's no glob) then
+ we can do better: we only need to record a match when a section name
+ completely matches, not merely a prefix, so record the trailing 0
+ as well. */
+ if (!c)
+ t = get_prefix_tree (&t->child, 0, true);
+ pt_add_stmt (t, stmt);
}
}
+/* Dump T indented by INDENT spaces. */
+
static void
-walk_wild_section_specs4_wild2 (lang_wild_statement_type *ptr,
- lang_input_statement_type *file,
- callback_t callback,
- void *data)
+debug_prefix_tree_rec (struct prefixtree *t, int indent)
{
- asection *s;
- struct wildcard_list *sec0 = ptr->handler_data[0];
- struct wildcard_list *sec1 = ptr->handler_data[1];
- struct wildcard_list *wildsec2 = ptr->handler_data[2];
- struct wildcard_list *wildsec3 = ptr->handler_data[3];
- bool multiple_sections_found;
- asection *s0 = find_section (file, sec0, &multiple_sections_found), *s1;
-
- if (multiple_sections_found)
- {
- walk_wild_section_general (ptr, file, callback, data);
- return;
- }
-
- s1 = find_section (file, sec1, &multiple_sections_found);
- if (multiple_sections_found)
- {
- walk_wild_section_general (ptr, file, callback, data);
- return;
- }
-
- for (s = file->the_bfd->sections; s != NULL; s = s->next)
+ for (; t; t = t->next)
{
- if (s == s0)
- walk_wild_consider_section (ptr, file, s, sec0, callback, data);
- else
- if (s == s1)
- walk_wild_consider_section (ptr, file, s, sec1, callback, data);
- else
- {
- const char *sname = bfd_section_name (s);
- bool skip = !match_simple_wild (wildsec2->spec.name, sname);
-
- if (!skip)
- walk_wild_consider_section (ptr, file, s, wildsec2, callback,
- data);
- else
- {
- skip = !match_simple_wild (wildsec3->spec.name, sname);
- if (!skip)
- walk_wild_consider_section (ptr, file, s, wildsec3,
- callback, data);
- }
- }
+ struct wild_stmt_list *sl;
+ printf ("%*s %c", indent, "", t->c);
+ for (sl = t->stmt; sl; sl = sl->next)
+ {
+ struct wildcard_list *curr;
+ printf (" %p ", sl->stmt);
+ for (curr = sl->stmt->section_list; curr; curr = curr->next)
+ printf ("%s ", curr->spec.name ? curr->spec.name : "*");
+ }
+ printf ("\n");
+ debug_prefix_tree_rec (t->child, indent + 2);
}
}
-static void
-walk_wild_section (lang_wild_statement_type *ptr,
- lang_input_statement_type *file,
- callback_t callback,
- void *data)
-{
- if (file->flags.just_syms)
- return;
-
- (*ptr->walk_wild_section_handler) (ptr, file, callback, data);
-}
-
-/* Returns TRUE when name1 is a wildcard spec that might match
- something name2 can match. We're conservative: we return FALSE
- only if the prefixes of name1 and name2 are different up to the
- first wildcard character. */
+/* Dump the global prefix tree. */
-static bool
-wild_spec_can_overlap (const char *name1, const char *name2)
+static void
+debug_prefix_tree (void)
{
- size_t prefix1_len = strcspn (name1, "?*[");
- size_t prefix2_len = strcspn (name2, "?*[");
- size_t min_prefix_len;
-
- /* Note that if there is no wildcard character, then we treat the
- terminating 0 as part of the prefix. Thus ".text" won't match
- ".text." or ".text.*", for example. */
- if (name1[prefix1_len] == '\0')
- prefix1_len++;
- if (name2[prefix2_len] == '\0')
- prefix2_len++;
-
- min_prefix_len = prefix1_len < prefix2_len ? prefix1_len : prefix2_len;
-
- return memcmp (name1, name2, min_prefix_len) == 0;
+ debug_prefix_tree_rec (ptroot, 2);
}
/* Like strcspn() but start to look from the end to beginning of
return sufflen;
}
-/* Select specialized code to handle various kinds of wildcard
- statements. */
+/* Analyze the wildcards in wild statement PTR to setup various
+ things for quick matching. */
static void
analyze_walk_wild_section_handler (lang_wild_statement_type *ptr)
{
- int sec_count = 0;
- int wild_name_count = 0;
struct wildcard_list *sec;
- int signature;
- int data_counter;
-
- ptr->walk_wild_section_handler = walk_wild_section_general;
- ptr->handler_data[0] = NULL;
- ptr->handler_data[1] = NULL;
- ptr->handler_data[2] = NULL;
- ptr->handler_data[3] = NULL;
+
ptr->tree = NULL;
ptr->rightmost = &ptr->tree;
sec->spec.namelen = sec->spec.prefixlen = sec->spec.suffixlen = 0;
}
- /* Count how many wildcard_specs there are, and how many of those
- actually use wildcards in the name. Also, bail out if any of the
- wildcard names are NULL. (Can this actually happen?
- walk_wild_section used to test for it.) And bail out if any
- of the wildcards are more complex than a simple string
- ending in a single '*'. */
- for (sec = ptr->section_list; sec != NULL; sec = sec->next)
- {
- ++sec_count;
- if (sec->spec.name == NULL)
- return;
- if (wildcardp (sec->spec.name))
- {
- ++wild_name_count;
- if (!is_simple_wild (sec->spec.name))
- return;
- }
- }
-
- /* The zero-spec case would be easy to optimize but it doesn't
- happen in practice. Likewise, more than 4 specs doesn't
- happen in practice. */
- if (sec_count == 0 || sec_count > 4)
- return;
-
- /* Check that no two specs can match the same section. */
- for (sec = ptr->section_list; sec != NULL; sec = sec->next)
- {
- struct wildcard_list *sec2;
- for (sec2 = sec->next; sec2 != NULL; sec2 = sec2->next)
- {
- if (wild_spec_can_overlap (sec->spec.name, sec2->spec.name))
- return;
- }
- }
-
- signature = (sec_count << 8) + wild_name_count;
- switch (signature)
- {
- case 0x0100:
- ptr->walk_wild_section_handler = walk_wild_section_specs1_wild0;
- break;
- case 0x0101:
- ptr->walk_wild_section_handler = walk_wild_section_specs1_wild1;
- break;
- case 0x0201:
- ptr->walk_wild_section_handler = walk_wild_section_specs2_wild1;
- break;
- case 0x0302:
- ptr->walk_wild_section_handler = walk_wild_section_specs3_wild2;
- break;
- case 0x0402:
- ptr->walk_wild_section_handler = walk_wild_section_specs4_wild2;
- break;
- default:
- return;
- }
-
- /* Now fill the data array with pointers to the specs, first the
- specs with non-wildcard names, then the specs with wildcard
- names. It's OK to process the specs in different order from the
- given order, because we've already determined that no section
- will match more than one spec. */
- data_counter = 0;
- for (sec = ptr->section_list; sec != NULL; sec = sec->next)
- if (!wildcardp (sec->spec.name))
- ptr->handler_data[data_counter++] = sec;
- for (sec = ptr->section_list; sec != NULL; sec = sec->next)
- if (wildcardp (sec->spec.name))
- ptr->handler_data[data_counter++] = sec;
+ insert_prefix_tree (ptr);
}
-/* Handle a wild statement for a single file F. */
+/* Match all sections from FILE against the global prefix tree,
+ and record them into each wild statement that has a match. */
static void
-walk_wild_file (lang_wild_statement_type *s,
- lang_input_statement_type *f,
- callback_t callback,
- void *data)
+resolve_wild_sections (lang_input_statement_type *file)
{
- if (walk_wild_file_in_exclude_list (s->exclude_name_list, f))
+ asection *s;
+
+ if (file->flags.just_syms)
return;
- if (f->the_bfd == NULL
- || !bfd_check_format (f->the_bfd, bfd_archive))
- walk_wild_section (s, f, callback, data);
- else
+ for (s = file->the_bfd->sections; s != NULL; s = s->next)
{
- bfd *member;
-
- /* This is an archive file. We must map each member of the
- archive separately. */
- member = bfd_openr_next_archived_file (f->the_bfd, NULL);
- while (member != NULL)
+ const char *sname = bfd_section_name (s);
+ char c = 1;
+ struct prefixtree *t = ptroot;
+ //printf (" YYY consider %s of %s\n", sname, file->the_bfd->filename);
+ do
{
- /* When lookup_name is called, it will call the add_symbols
- entry point for the archive. For each element of the
- archive which is included, BFD will call ldlang_add_file,
- which will set the usrdata field of the member to the
- lang_input_statement. */
- if (bfd_usrdata (member) != NULL)
- walk_wild_section (s, bfd_usrdata (member), callback, data);
-
- member = bfd_openr_next_archived_file (f->the_bfd, member);
+ if (t->stmt)
+ {
+ struct wild_stmt_list *sl;
+ for (sl = t->stmt; sl; sl = sl->next)
+ {
+ walk_wild_section_match (sl->stmt, file, s);
+ //printf (" ZZZ maybe place into %p\n", sl->stmt);
+ }
+ }
+ if (!c)
+ break;
+ c = *sname++;
+ t = get_prefix_tree (&t->child, c, false);
}
+ while (t);
}
}
-static lang_statement_union_type *
-new_statement (enum statement_enum type,
- size_t size,
- lang_statement_list_type *list);
-static void
-add_matching_callback (lang_wild_statement_type *ptr,
- struct wildcard_list *sec,
- asection *section,
- lang_input_statement_type *file,
- void *data ATTRIBUTE_UNUSED)
-{
- lang_input_matcher_type *new_section;
- /* Add a section reference to the list. */
- new_section = new_stat (lang_input_matcher, &ptr->matching_sections);
- new_section->section = section;
- new_section->pattern = sec;
- new_section->input_stmt = file;
-}
+/* Match all sections from all input files against the global prefix tree. */
static void
-walk_wild_resolve (lang_wild_statement_type *s)
+resolve_wilds (void)
{
- const char *file_spec = s->filename;
- char *p;
-
- if (file_spec == NULL)
- {
- /* Perform the iteration over all files in the list. */
- LANG_FOR_EACH_INPUT_STATEMENT (f)
- {
- //printf("XXX %s\n", f->filename);
- walk_wild_file (s, f, add_matching_callback, NULL);
- }
- }
- else if ((p = archive_path (file_spec)) != NULL)
- {
- LANG_FOR_EACH_INPUT_STATEMENT (f)
- {
- if (input_statement_is_archive_path (file_spec, p, f))
- walk_wild_file (s, f, add_matching_callback, NULL);
- }
- }
- else if (wildcardp (file_spec))
+ LANG_FOR_EACH_INPUT_STATEMENT (f)
{
- LANG_FOR_EACH_INPUT_STATEMENT (f)
+ //printf("XXX %s\n", f->filename);
+ if (f->the_bfd == NULL
+ || !bfd_check_format (f->the_bfd, bfd_archive))
+ resolve_wild_sections (f);
+ else
{
- if (fnmatch (file_spec, f->filename, 0) == 0)
- walk_wild_file (s, f, add_matching_callback, NULL);
- }
- }
- else
- {
- lang_input_statement_type *f;
+ bfd *member;
- /* Perform the iteration over a single file. */
- f = lookup_name (file_spec);
- if (f)
- walk_wild_file (s, f, add_matching_callback, NULL);
+ /* This is an archive file. We must map each member of the
+ archive separately. */
+ member = bfd_openr_next_archived_file (f->the_bfd, NULL);
+ while (member != NULL)
+ {
+ /* When lookup_name is called, it will call the add_symbols
+ entry point for the archive. For each element of the
+ archive which is included, BFD will call ldlang_add_file,
+ which will set the usrdata field of the member to the
+ lang_input_statement. */
+ if (bfd_usrdata (member) != NULL)
+ resolve_wild_sections (bfd_usrdata (member));
+
+ member = bfd_openr_next_archived_file (f->the_bfd, member);
+ }
+ }
}
}
+/* For each input section that matches wild statement S calls
+ CALLBACK with DATA. */
+
static void
walk_wild (lang_wild_statement_type *s, callback_t callback, void *data)
{
- const char *file_spec = s->filename;
- //char *p;
+ lang_statement_union_type *l;
- if (!s->resolved)
+ for (l = s->matching_sections.head; l; l = l->header.next)
{
- //printf("XXX %s\n", file_spec ? file_spec : "<null>");
- walk_wild_resolve (s);
- s->resolved = true;
- }
-
- {
- lang_statement_union_type *l;
- for (l = s->matching_sections.head; l; l = l->header.next)
- {
- (*callback) (s, l->input_matcher.pattern, l->input_matcher.section, l->input_matcher.input_stmt, data);
- }
- return;
+ (*callback) (s, l->input_matcher.pattern, l->input_matcher.section,
+ l->input_matcher.input_stmt, data);
}
-
-#if 0
- if (file_spec == NULL)
- {
- /* Perform the iteration over all files in the list. */
- LANG_FOR_EACH_INPUT_STATEMENT (f)
- {
- printf("XXX %s\n", f->filename);
- walk_wild_file (s, f, callback, data);
- }
- }
- else if ((p = archive_path (file_spec)) != NULL)
- {
- LANG_FOR_EACH_INPUT_STATEMENT (f)
- {
- if (input_statement_is_archive_path (file_spec, p, f))
- walk_wild_file (s, f, callback, data);
- }
- }
- else if (wildcardp (file_spec))
- {
- LANG_FOR_EACH_INPUT_STATEMENT (f)
- {
- if (fnmatch (file_spec, f->filename, 0) == 0)
- walk_wild_file (s, f, callback, data);
- }
- }
- else
- {
- lang_input_statement_type *f;
-
- /* Perform the iteration over a single file. */
- f = lookup_name (file_spec);
- if (f)
- walk_wild_file (s, f, callback, data);
- }
-#endif
}
/* lang_for_each_statement walks the parse tree and calls the provided
lang_init (void)
{
obstack_begin (&stat_obstack, 1000);
+ obstack_init (&pt_obstack);
stat_ptr = &statement_list;
}
}
+static void
+reset_one_wild (lang_statement_union_type *statement)
+{
+ if (statement->header.type == lang_wild_statement_enum)
+ {
+ lang_wild_statement_type *stmt = &statement->wild_statement;
+ lang_list_init (&stmt->matching_sections);
+ }
+}
+
+static void
+reset_resolved_wilds (void)
+{
+ lang_for_each_statement (reset_one_wild);
+}
+
void
lang_process (void)
{
/* Size up the common data. */
lang_common ();
+ if (0)
+ debug_prefix_tree ();
+
+ resolve_wilds ();
+
/* Remove unreferenced sections if asked to. */
lang_gc_sections ();
ldemul_after_check_relocs ();
+ /* There might have been new sections created (e.g. as result of
+ checking relocs to need a .got, or suchlike), so to properly order
+ them into our lists of matching sections reset them here. */
+ reset_resolved_wilds ();
+ resolve_wilds ();
+
/* Update wild statements in case the user gave --sort-section.
Note how the option might have come after the linker script and
so couldn't have been set when the wild statements were created. */
new_stmt->section_list = section_list;
new_stmt->keep_sections = keep_sections;
lang_list_init (&new_stmt->children);
- new_stmt->resolved = false;
lang_list_init (&new_stmt->matching_sections);
analyze_walk_wild_section_handler (new_stmt);
+ if (0)
+ {
+ printf ("wild %s(", new_stmt->filename ? new_stmt->filename : "*");
+ for (curr = new_stmt->section_list; curr; curr = curr->next)
+ printf ("%s ", curr->spec.name ? curr->spec.name : "*");
+ printf (")\n");
+ }
}
void
projects / binutils-gdb.git / blobdiff