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authorEric Botcazou <ebotcazou@libertysurf.fr>2006-12-11 14:52:13 +0000
committerEric Botcazou <ebotcazou@libertysurf.fr>2006-12-11 14:52:13 +0000
commita48710b341acf93f51ae2b66b1119228c53cce52 (patch)
treefe4a3dbe5d2b1858438dde3e7f87e08a55678025
parent77d7106fc66079b9d73f179bc8169cbe45c4abf9 (diff)
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* elflink.c (bfd_elf_gc_sections): Also search for corresponding
sections with .gnu.linkonce.t. prefix.
-rw-r--r--bfd/ChangeLog5
-rw-r--r--bfd/elflink.c25
2 files changed, 26 insertions, 4 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 6d06afc..274ca81 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,8 @@
+2006-12-11 Eric Botcazou <ebotcazou@adacore.com>
+
+ * elflink.c (bfd_elf_gc_sections): Also search for corresponding
+ sections with .gnu.linkonce.t. prefix.
+
2006-12-07 Kazu Hirata <kazu@codesourcery.com>
* elf32-m68k.c: Update uses of EF_M68K_*.
diff --git a/bfd/elflink.c b/bfd/elflink.c
index be018ba..e7cc062 100644
--- a/bfd/elflink.c
+++ b/bfd/elflink.c
@@ -9809,13 +9809,15 @@ bfd_elf_gc_sections (bfd *abfd, struct bfd_link_info *info)
if (bfd_get_flavour (sub) != bfd_target_elf_flavour)
continue;
- /* Keep .gcc_except_table.* if the associated .text.* is
+ /* Keep .gcc_except_table.* if the associated .text.* (or the
+ associated .gnu.linkonce.t.* if .text.* doesn't exist) is
marked. This isn't very nice, but the proper solution,
splitting .eh_frame up and using comdat doesn't pan out
easily due to needing special relocs to handle the
difference of two symbols in separate sections.
Don't keep code sections referenced by .eh_frame. */
#define TEXT_PREFIX ".text."
+#define TEXT_PREFIX2 ".gnu.linkonce.t."
#define GCC_EXCEPT_TABLE_PREFIX ".gcc_except_table."
for (o = sub->sections; o != NULL; o = o->next)
if (!o->gc_mark && o->gc_mark_from_eh && (o->flags & SEC_CODE) == 0)
@@ -9825,15 +9827,30 @@ bfd_elf_gc_sections (bfd *abfd, struct bfd_link_info *info)
char *fn_name;
const char *sec_name;
asection *fn_text;
- unsigned o_name_prefix_len = strlen (GCC_EXCEPT_TABLE_PREFIX);
- unsigned fn_name_prefix_len = strlen (TEXT_PREFIX);
+ unsigned o_name_prefix_len , fn_name_prefix_len, tmp;
+ o_name_prefix_len = strlen (GCC_EXCEPT_TABLE_PREFIX);
sec_name = o->name + o_name_prefix_len;
- fn_name = bfd_malloc (strlen (sec_name) + fn_name_prefix_len + 1);
+ fn_name_prefix_len = strlen (TEXT_PREFIX);
+ tmp = strlen (TEXT_PREFIX2);
+ if (tmp > fn_name_prefix_len)
+ fn_name_prefix_len = tmp;
+ fn_name
+ = bfd_malloc (fn_name_prefix_len + strlen (sec_name) + 1);
if (fn_name == NULL)
return FALSE;
+
+ /* Try the first prefix. */
sprintf (fn_name, "%s%s", TEXT_PREFIX, sec_name);
fn_text = bfd_get_section_by_name (sub, fn_name);
+
+ /* Try the second prefix. */
+ if (fn_text == NULL)
+ {
+ sprintf (fn_name, "%s%s", TEXT_PREFIX2, sec_name);
+ fn_text = bfd_get_section_by_name (sub, fn_name);
+ }
+
free (fn_name);
if (fn_text == NULL || !fn_text->gc_mark)
continue;