#include "libiberty.h"
#include "objalloc.h"
+/* This struct is used to pass information to routines called via
+ elf_link_hash_traverse which must return failure. */
+
+struct elf_info_failed
+{
+ struct bfd_link_info *info;
+ struct bfd_elf_version_tree *verdefs;
+ bfd_boolean failed;
+};
+
+/* This structure is used to pass information to
+ _bfd_elf_link_find_version_dependencies. */
+
+struct elf_find_verdep_info
+{
+ /* General link information. */
+ struct bfd_link_info *info;
+ /* The number of dependencies. */
+ unsigned int vers;
+ /* Whether we had a failure. */
+ bfd_boolean failed;
+};
+
+static bfd_boolean _bfd_elf_fix_symbol_flags
+ (struct elf_link_hash_entry *, struct elf_info_failed *);
+
/* Define a symbol in a dynamic linkage section. */
struct elf_link_hash_entry *
\f
/* Mark a symbol dynamic. */
-void
+static void
bfd_elf_link_mark_dynamic_symbol (struct bfd_link_info *info,
struct elf_link_hash_entry *h,
Elf_Internal_Sym *sym)
if (olddef && newdyn)
oldweak = FALSE;
- /* Allow changes between different types of funciton symbol. */
+ /* Allow changes between different types of function symbol. */
if (newfunc && oldfunc)
*type_change_ok = TRUE;
symbol is described by H, NAME, SYM, PSEC, VALUE, and OVERRIDE. We
set DYNSYM if the new indirect symbol is dynamic. */
-bfd_boolean
+static bfd_boolean
_bfd_elf_add_default_symbol (bfd *abfd,
struct bfd_link_info *info,
struct elf_link_hash_entry *h,
return TRUE;
}
\f
+static struct bfd_elf_version_tree *
+find_version_for_sym (struct bfd_elf_version_tree *verdefs,
+ const char *sym_name,
+ bfd_boolean *hide)
+{
+ struct bfd_elf_version_tree *t;
+ struct bfd_elf_version_tree *local_ver, *global_ver, *exist_ver;
+
+ local_ver = NULL;
+ global_ver = NULL;
+ exist_ver = NULL;
+ for (t = verdefs; t != NULL; t = t->next)
+ {
+ if (t->globals.list != NULL)
+ {
+ struct bfd_elf_version_expr *d = NULL;
+
+ while ((d = (*t->match) (&t->globals, d, sym_name)) != NULL)
+ {
+ global_ver = t;
+ if (d->symver)
+ exist_ver = t;
+ d->script = 1;
+ /* If the match is a wildcard pattern, keep looking for
+ a more explicit, perhaps even local, match. */
+ if (d->literal)
+ break;
+ }
+
+ if (d != NULL)
+ break;
+ }
+
+ if (t->locals.list != NULL)
+ {
+ struct bfd_elf_version_expr *d = NULL;
+
+ while ((d = (*t->match) (&t->locals, d, sym_name)) != NULL)
+ {
+ local_ver = t;
+ /* If the match is a wildcard pattern, keep looking for
+ a more explicit, perhaps even global, match. */
+ if (d->literal)
+ {
+ /* An exact match overrides a global wildcard. */
+ global_ver = NULL;
+ break;
+ }
+ }
+
+ if (d != NULL)
+ break;
+ }
+ }
+
+ if (global_ver != NULL)
+ {
+ /* If we already have a versioned symbol that matches the
+ node for this symbol, then we don't want to create a
+ duplicate from the unversioned symbol. Instead hide the
+ unversioned symbol. */
+ *hide = exist_ver == global_ver;
+ return global_ver;
+ }
+
+ if (local_ver != NULL)
+ {
+ *hide = TRUE;
+ return local_ver;
+ }
+
+ return NULL;
+}
+
/* This routine is used to export all defined symbols into the dynamic
symbol table. It is called via elf_link_hash_traverse. */
-bfd_boolean
+static bfd_boolean
_bfd_elf_export_symbol (struct elf_link_hash_entry *h, void *data)
{
struct elf_info_failed *eif = data;
&& (h->def_regular
|| h->ref_regular))
{
- struct bfd_elf_version_tree *t;
- struct bfd_elf_version_expr *d;
+ bfd_boolean hide;
- for (t = eif->verdefs; t != NULL; t = t->next)
+ if (eif->verdefs == NULL
+ || (find_version_for_sym (eif->verdefs, h->root.root.string, &hide)
+ && !hide))
{
- if (t->globals.list != NULL)
- {
- d = (*t->match) (&t->globals, NULL, h->root.root.string);
- if (d != NULL)
- goto doit;
- }
-
- if (t->locals.list != NULL)
- {
- d = (*t->match) (&t->locals, NULL, h->root.root.string);
- if (d != NULL)
- return TRUE;
- }
- }
-
- if (!eif->verdefs)
- {
- doit:
if (! bfd_elf_link_record_dynamic_symbol (eif->info, h))
{
eif->failed = TRUE;
dependencies. This will be put into the .gnu.version_r section.
This function is called via elf_link_hash_traverse. */
-bfd_boolean
+static bfd_boolean
_bfd_elf_link_find_version_dependencies (struct elf_link_hash_entry *h,
void *data)
{
return TRUE;
/* See if we already know about this version. */
- for (t = elf_tdata (rinfo->output_bfd)->verref; t != NULL; t = t->vn_nextref)
+ for (t = elf_tdata (rinfo->info->output_bfd)->verref;
+ t != NULL;
+ t = t->vn_nextref)
{
if (t->vn_bfd != h->verinfo.verdef->vd_bfd)
continue;
if (t == NULL)
{
amt = sizeof *t;
- t = bfd_zalloc (rinfo->output_bfd, amt);
+ t = bfd_zalloc (rinfo->info->output_bfd, amt);
if (t == NULL)
{
rinfo->failed = TRUE;
}
t->vn_bfd = h->verinfo.verdef->vd_bfd;
- t->vn_nextref = elf_tdata (rinfo->output_bfd)->verref;
- elf_tdata (rinfo->output_bfd)->verref = t;
+ t->vn_nextref = elf_tdata (rinfo->info->output_bfd)->verref;
+ elf_tdata (rinfo->info->output_bfd)->verref = t;
}
amt = sizeof *a;
- a = bfd_zalloc (rinfo->output_bfd, amt);
+ a = bfd_zalloc (rinfo->info->output_bfd, amt);
if (a == NULL)
{
rinfo->failed = TRUE;
files, so until that point we don't know which symbols should be
local. This function is called via elf_link_hash_traverse. */
-bfd_boolean
+static bfd_boolean
_bfd_elf_link_assign_sym_version (struct elf_link_hash_entry *h, void *data)
{
- struct elf_assign_sym_version_info *sinfo;
+ struct elf_info_failed *sinfo;
struct bfd_link_info *info;
const struct elf_backend_data *bed;
struct elf_info_failed eif;
if (!h->def_regular)
return TRUE;
- bed = get_elf_backend_data (sinfo->output_bfd);
+ bed = get_elf_backend_data (info->output_bfd);
p = strchr (h->root.root.string, ELF_VER_CHR);
if (p != NULL && h->verinfo.vertree == NULL)
{
return TRUE;
amt = sizeof *t;
- t = bfd_zalloc (sinfo->output_bfd, amt);
+ t = bfd_zalloc (info->output_bfd, amt);
if (t == NULL)
{
sinfo->failed = TRUE;
generating a shared archive. Return an error. */
(*_bfd_error_handler)
(_("%B: version node not found for symbol %s"),
- sinfo->output_bfd, h->root.root.string);
+ info->output_bfd, h->root.root.string);
bfd_set_error (bfd_error_bad_value);
sinfo->failed = TRUE;
return FALSE;
something. */
if (h->verinfo.vertree == NULL && sinfo->verdefs != NULL)
{
- struct bfd_elf_version_tree *t;
- struct bfd_elf_version_tree *local_ver, *global_ver, *exist_ver;
- struct bfd_elf_version_expr *d;
+ bfd_boolean hide;
- /* See if can find what version this symbol is in. If the
- symbol is supposed to be local, then don't actually register
- it. */
- local_ver = NULL;
- global_ver = NULL;
- exist_ver = NULL;
- for (t = sinfo->verdefs; t != NULL; t = t->next)
- {
- if (t->globals.list != NULL)
- {
- d = NULL;
- while ((d = (*t->match) (&t->globals, d,
- h->root.root.string)) != NULL)
- {
- global_ver = t;
- local_ver = NULL;
- if (d->symver)
- exist_ver = t;
- d->script = 1;
- /* If the match is a wildcard pattern, keep looking for
- a more explicit, perhaps even local, match. */
- if (d->literal)
- break;
- }
-
- if (d != NULL)
- break;
- }
-
- if (t->locals.list != NULL)
- {
- d = NULL;
- while ((d = (*t->match) (&t->locals, d,
- h->root.root.string)) != NULL)
- {
- local_ver = t;
- /* If the match is a wildcard pattern, keep looking for
- a more explicit, perhaps even global, match. */
- if (d->literal)
- {
- /* An exact match overrides a global wildcard. */
- global_ver = NULL;
- break;
- }
- }
-
- if (d != NULL)
- break;
- }
- }
-
- if (global_ver != NULL)
- {
- h->verinfo.vertree = global_ver;
- /* If we already have a versioned symbol that matches the
- node for this symbol, then we don't want to create a
- duplicate from the unversioned symbol. Instead hide the
- unversioned symbol. */
- if (exist_ver == global_ver)
- (*bed->elf_backend_hide_symbol) (info, h, TRUE);
- }
- else if (local_ver != NULL)
- {
- h->verinfo.vertree = local_ver;
- if (!info->export_dynamic
- || exist_ver == local_ver)
- (*bed->elf_backend_hide_symbol) (info, h, TRUE);
- }
+ h->verinfo.vertree = find_version_for_sym (sinfo->verdefs,
+ h->root.root.string, &hide);
+ if (h->verinfo.vertree != NULL && hide)
+ (*bed->elf_backend_hide_symbol) (info, h, TRUE);
}
return TRUE;
/* Compute the size of, and allocate space for, REL_HDR which is the
section header for a section containing relocations for O. */
-bfd_boolean
+static bfd_boolean
_bfd_elf_link_size_reloc_section (bfd *abfd,
Elf_Internal_Shdr *rel_hdr,
asection *o)
assign_sym_version, which is unnecessary but perhaps more robust in
the face of future changes. */
-bfd_boolean
+static bfd_boolean
_bfd_elf_fix_symbol_flags (struct elf_link_hash_entry *h,
struct elf_info_failed *eif)
{
called via elf_link_hash_traverse, and also calls itself
recursively. */
-bfd_boolean
+static bfd_boolean
_bfd_elf_adjust_dynamic_symbol (struct elf_link_hash_entry *h, void *data)
{
struct elf_info_failed *eif = data;
/* Adjust all external symbols pointing into SEC_MERGE sections
to reflect the object merging within the sections. */
-bfd_boolean
+static bfd_boolean
_bfd_elf_link_sec_merge_syms (struct elf_link_hash_entry *h, void *data)
{
asection *sec;
return 0;
}
+static bfd_boolean
+on_needed_list (const char *soname, struct bfd_link_needed_list *needed)
+{
+ for (; needed != NULL; needed = needed->next)
+ if (strcmp (soname, needed->name) == 0)
+ return TRUE;
+
+ return FALSE;
+}
+
/* Sort symbol by value and section. */
static int
elf_sort_symbol (const void *arg1, const void *arg2)
if (!add_needed
&& definition
- && dynsym
- && h->ref_regular)
+ && ((dynsym
+ && h->ref_regular)
+ || (h->ref_dynamic
+ && (elf_dyn_lib_class (abfd) & DYN_AS_NEEDED) != 0
+ && !on_needed_list (elf_dt_name (abfd), htab->needed))))
{
int ret;
const char *soname = elf_dt_name (abfd);
bfd_size_type soname_indx;
bfd *dynobj;
const struct elf_backend_data *bed;
- struct elf_assign_sym_version_info asvinfo;
+ struct elf_info_failed asvinfo;
*sinterpptr = NULL;
}
/* Attach all the symbols to their version information. */
- asvinfo.output_bfd = output_bfd;
asvinfo.info = info;
asvinfo.verdefs = verdefs;
asvinfo.failed = FALSE;
{
struct elf_find_verdep_info sinfo;
- sinfo.output_bfd = output_bfd;
sinfo.info = info;
sinfo.vers = elf_tdata (output_bfd)->cverdefs;
if (sinfo.vers == 0)
bfd_size_type entsize1;
entsize1 = esdi->rel_hdr.sh_entsize;
- BFD_ASSERT (entsize1 == bed->s->sizeof_rel
- || entsize1 == bed->s->sizeof_rela);
+ /* PR 9827: If the header size has not been set yet then
+ assume that it will match the output section's reloc type. */
+ if (entsize1 == 0)
+ entsize1 = o->use_rela_p ? bed->s->sizeof_rela : bed->s->sizeof_rel;
+ else
+ BFD_ASSERT (entsize1 == bed->s->sizeof_rel
+ || entsize1 == bed->s->sizeof_rela);
same_size = !o->use_rela_p == (entsize1 == bed->s->sizeof_rel);
if (!same_size)
projects / deliverable / binutils-gdb.git / blobdiff