diff options
| author | Alan Modra <amodra@bigpond.net.au> | 2007-03-17 02:56:37 +0000 |
|---|---|---|
| committer | Alan Modra <amodra@bigpond.net.au> | 2007-03-17 02:56:37 +0000 |
| commit | 7e8c1673b3a91cac9e1e2be716b64f38d75be169 (patch) | |
| tree | c6def5d1a82961b2ad999e3e2e86bb97cefc22bd /bfd | |
| parent | 1e7f75b5b5d7c2610a7f0607993972d050c952ad (diff) | |
| download | gdb-7e8c1673b3a91cac9e1e2be716b64f38d75be169.tar.gz | |
* elf32-spu.c (spu_elf_size_stubs): Always use an overlay stub
on setjmp calls.
Diffstat (limited to 'bfd')
| -rw-r--r-- | bfd/ChangeLog | 5 | ||||
| -rw-r--r-- | bfd/elf32-spu.c | 16 |
2 files changed, 19 insertions, 2 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 7f319a79ca4..3db69191cd4 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -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. diff --git a/bfd/elf32-spu.c b/bfd/elf32-spu.c index 8d130b86ff2..0326e84c962 100644 --- a/bfd/elf32-spu.c +++ b/bfd/elf32-spu.c @@ -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 |