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* elf32-spu.c (spu_elf_size_stubs): Always use an overlay stub

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on setjmp calls.
This commit is contained in:
Alan Modra 2007-03-17 02:56:37 +00:00
parent bc7c4163e6
commit 5384511fec
2 changed files with 19 additions and 2 deletions
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5
bfd/ChangeLog
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@ -1,3 +1,8 @@
2007-03-17 Alan Modra <amodra@bigpond.net.au>
* elf32-spu.c (spu_elf_size_stubs): Always use an overlay stub
on setjmp calls.
2007-03-15 H.J. Lu <hongjiu.lu@intel.com>
* doc/Makefile.in: Regenerated.

16
bfd/elf32-spu.c
View File

@ -801,6 +801,7 @@ spu_elf_size_stubs (bfd *output_bfd,
struct spu_stub_hash_entry *sh;
unsigned int sym_type;
enum _insn_type { non_branch, branch, call } insn_type;
bfd_boolean is_setjmp;
r_type = ELF32_R_TYPE (irela->r_info);
r_indx = ELF32_R_SYM (irela->r_info);
@ -877,15 +878,26 @@ spu_elf_size_stubs (bfd *output_bfd,
continue;
}
/* setjmp always goes via an overlay stub, because
then the return and hence the longjmp goes via
__ovly_return. That magically makes setjmp/longjmp
between overlays work. */
is_setjmp = (h != NULL
&& strncmp (h->root.root.string, "setjmp", 6) == 0
&& (h->root.root.string[6] == '\0'
|| h->root.root.string[6] == '@'));
/* Usually, non-overlay sections don't need stubs. */
if (!spu_elf_section_data (sym_sec->output_section)->ovl_index
&& !non_overlay_stubs)
&& !non_overlay_stubs
&& !is_setjmp)
continue;
/* We need a reference from some other section before
we consider that a symbol might need an overlay stub. */
if (spu_elf_section_data (sym_sec->output_section)->ovl_index
== spu_elf_section_data (section->output_section)->ovl_index)
== spu_elf_section_data (section->output_section)->ovl_index
&& !is_setjmp)
{
/* Or we need this to *not* be a branch. ie. We are
possibly taking the address of a function and