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authorAlan Modra <amodra@gmail.com>2017-12-02 14:48:50 +1030
committerAlan Modra <amodra@gmail.com>2017-12-04 23:05:01 +1030
commit826c3f1edc2f9da4594aed86b57a7b447a46016d (patch)
tree9d5ac346fab24f8cd38372bfe32cf00d1b6457e0 /bfd
parente21126b7b381a9083e6670ca9adaad6060e376d1 (diff)
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x86 map file textrel
bfd/ * elfxx-x86.c (readonly_dynrelocs): New function. (maybe_set_textrel): New function. Always prints via minfo and correct "readonly" to "read-only" in warning message., replacing.. (_bfd_x86_elf_readonly_dynrelocs): ..this. (_bfd_x86_elf_size_dynamic_sections): Correct "readonly" to "read-only" in warning message. Formatting. (_bfd_x86_elf_adjust_dynamic_symbol): Use readonly_dynrelocs. * linker.c (bfd_link_hash_traverse): Comment typo fix. ld/ * testsuite/ld-i386/pr17935-1.d: Adjust expected error. * testsuite/ld-i386/pr17935-2.d: Likewise. * testsuite/ld-x86-64/pr17935-1.d: Likewise. * testsuite/ld-x86-64/pr17935-2.d: Likewise.
Diffstat (limited to 'bfd')
-rw-r--r--bfd/ChangeLog11
-rw-r--r--bfd/elfxx-x86.c91
-rw-r--r--bfd/linker.c2
3 files changed, 61 insertions, 43 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 95fb5cd..b20003b 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,14 @@
+2017-12-04 Alan Modra <amodra@gmail.com>
+
+ * elfxx-x86.c (readonly_dynrelocs): New function.
+ (maybe_set_textrel): New function. Always prints via minfo and
+ correct "readonly" to "read-only" in warning message., replacing..
+ (_bfd_x86_elf_readonly_dynrelocs): ..this.
+ (_bfd_x86_elf_size_dynamic_sections): Correct "readonly" to
+ "read-only" in warning message. Formatting.
+ (_bfd_x86_elf_adjust_dynamic_symbol): Use readonly_dynrelocs.
+ * linker.c (bfd_link_hash_traverse): Comment typo fix.
+
2017-12-01 H.J. Lu <hongjiu.lu@intel.com>
* elfxx-x86.c (_bfd_x86_elf_readonly_dynrelocs): Print symbol
diff --git a/bfd/elfxx-x86.c b/bfd/elfxx-x86.c
index 3899c13..1a9e5ef 100644
--- a/bfd/elfxx-x86.c
+++ b/bfd/elfxx-x86.c
@@ -521,45 +521,58 @@ elf_x86_allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
return TRUE;
}
-/* Find any dynamic relocs that apply to read-only sections. */
+/* Find dynamic relocs for H that apply to read-only sections. */
-bfd_boolean
-_bfd_x86_elf_readonly_dynrelocs (struct elf_link_hash_entry *h,
- void *inf)
+static asection *
+readonly_dynrelocs (struct elf_link_hash_entry *h)
{
- struct elf_x86_link_hash_entry *eh;
struct elf_dyn_relocs *p;
+ for (p = elf_x86_hash_entry (h)->dyn_relocs; p != NULL; p = p->next)
+ {
+ asection *s = p->sec->output_section;
+
+ if (s != NULL && (s->flags & SEC_READONLY) != 0)
+ return p->sec;
+ }
+ return NULL;
+}
+
+/* Set DF_TEXTREL if we find any dynamic relocs that apply to
+ read-only sections. */
+
+static bfd_boolean
+maybe_set_textrel (struct elf_link_hash_entry *h, void *inf)
+{
+ asection *sec;
+
+ if (h->root.type == bfd_link_hash_indirect)
+ return TRUE;
+
/* Skip local IFUNC symbols. */
if (h->forced_local && h->type == STT_GNU_IFUNC)
return TRUE;
- eh = (struct elf_x86_link_hash_entry *) h;
- for (p = eh->dyn_relocs; p != NULL; p = p->next)
+ sec = readonly_dynrelocs (h);
+ if (sec != NULL)
{
- asection *s = p->sec->output_section;
-
- if (s != NULL && (s->flags & SEC_READONLY) != 0)
- {
- struct bfd_link_info *info = (struct bfd_link_info *) inf;
+ struct bfd_link_info *info = (struct bfd_link_info *) inf;
- info->flags |= DF_TEXTREL;
+ info->flags |= DF_TEXTREL;
+ /* xgettext:c-format */
+ info->callbacks->minfo (_("%B: dynamic relocation against `%T' "
+ "in read-only section `%A'\n"),
+ sec->owner, h->root.root.string, sec);
- if ((info->warn_shared_textrel && bfd_link_pic (info))
- || info->error_textrel)
- /* xgettext:c-format */
- info->callbacks->einfo (_("%P: %B: warning: relocation against `%s' in readonly section `%A'\n"),
- p->sec->owner, h->root.root.string,
- p->sec);
- else
- /* xgettext:c-format */
- info->callbacks->minfo
- (_("%B: dynamic relocation against `%T' in read-only section `%A'\n"),
- p->sec->owner, h->root.root.string, p->sec);
+ if ((info->warn_shared_textrel && bfd_link_pic (info))
+ || info->error_textrel)
+ /* xgettext:c-format */
+ info->callbacks->einfo (_("%P: %B: warning: relocation against `%s' "
+ "in read-only section `%A'\n"),
+ sec->owner, h->root.root.string, sec);
- /* Not an error, just cut short the traversal. */
- return FALSE;
- }
+ /* Not an error, just cut short the traversal. */
+ return FALSE;
}
return TRUE;
}
@@ -937,8 +950,10 @@ _bfd_x86_elf_size_dynamic_sections (bfd *output_bfd,
if ((info->warn_shared_textrel && bfd_link_pic (info))
|| info->error_textrel)
/* xgettext:c-format */
- info->callbacks->einfo (_("%P: %B: warning: relocation in readonly section `%A'\n"),
- p->sec->owner, p->sec);
+ info->callbacks->einfo
+ (_("%P: %B: warning: relocation "
+ "in read-only section `%A'\n"),
+ p->sec->owner, p->sec);
}
}
}
@@ -1262,16 +1277,15 @@ _bfd_x86_elf_size_dynamic_sections (bfd *output_bfd,
/* If any dynamic relocs apply to a read-only section,
then we need a DT_TEXTREL entry. */
if ((info->flags & DF_TEXTREL) == 0)
- elf_link_hash_traverse (&htab->elf,
- _bfd_x86_elf_readonly_dynrelocs,
- info);
+ elf_link_hash_traverse (&htab->elf, maybe_set_textrel, info);
if ((info->flags & DF_TEXTREL) != 0)
{
if (htab->readonly_dynrelocs_against_ifunc)
{
info->callbacks->einfo
- (_("%P%X: read-only segment has dynamic IFUNC relocations; recompile with -fPIC\n"));
+ (_("%P%X: read-only segment has dynamic IFUNC relocations;"
+ " recompile with -fPIC\n"));
bfd_set_error (bfd_error_bad_value);
return FALSE;
}
@@ -1824,17 +1838,10 @@ _bfd_x86_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
|| (!eh->gotoff_ref
&& htab->target_os != is_vxworks)))
{
- for (p = eh->dyn_relocs; p != NULL; p = p->next)
- {
- s = p->sec->output_section;
- if (s != NULL && (s->flags & SEC_READONLY) != 0)
- break;
- }
-
- /* If we didn't find any dynamic relocs in read-only sections,
+ /* If we don't find any dynamic relocs in read-only sections,
then we'll be keeping the dynamic relocs and avoiding the copy
reloc. */
- if (p == NULL)
+ if (!readonly_dynrelocs (h))
{
h->non_got_ref = 0;
return TRUE;
diff --git a/bfd/linker.c b/bfd/linker.c
index 9c19df4..77e2032 100644
--- a/bfd/linker.c
+++ b/bfd/linker.c
@@ -632,7 +632,7 @@ unwrap_hash_lookup (struct bfd_link_info *info,
/* Traverse a generic link hash table. Differs from bfd_hash_traverse
in the treatment of warning symbols. When warning symbols are
created they replace the real symbol, so you don't get to see the
- real symbol in a bfd_hash_travere. This traversal calls func with
+ real symbol in a bfd_hash_traverse. This traversal calls func with
the real symbol. */
void