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* elflink.c (bfd_elf_gc_sections): Also search for corresponding

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sections with .gnu.linkonce.t. prefix.
This commit is contained in:
Eric Botcazou 2006-12-11 14:52:13 +00:00
parent 77d7106fc6
commit a48710b341
2 changed files with 26 additions and 4 deletions
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5
bfd/ChangeLog
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@ -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_*.

25
bfd/elflink.c
View file

@ -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;