diff options
Diffstat (limited to 'bfd/elf32-i386.c')
| -rw-r--r-- | bfd/elf32-i386.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/bfd/elf32-i386.c b/bfd/elf32-i386.c index 5eb34ab..855b985 100644 --- a/bfd/elf32-i386.c +++ b/bfd/elf32-i386.c @@ -2319,8 +2319,19 @@ elf_i386_relocate_section (bfd *output_bfd, /* r_symndx will be zero only for relocs against symbols from removed linkonce sections, or sections discarded by a linker script. */ - if (r_symndx == 0 - || (input_section->flags & SEC_ALLOC) == 0) + if (r_symndx == 0) + { + /* Zero the section contents. eh_frame generated by old + versions of gcc isn't edited by elf-eh-frame.c, so + FDEs for discarded linkonce functions might remain. + Putting zeros here will zero such FDE's address range. + This is a hint to unwinders and other consumers of + exception handling info that the FDE is invalid. */ + bfd_put_32 (input_bfd, 0, contents + rel->r_offset); + continue; + } + + if ((input_section->flags & SEC_ALLOC) == 0) break; if ((info->shared |