diff options
author | Alan Modra <amodra@bigpond.net.au> | 2007-08-01 07:43:36 +0000 |
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committer | Alan Modra <amodra@bigpond.net.au> | 2007-08-01 07:43:36 +0000 |
commit | 8a85838c47b819892fcb21c4414f1123e6d241b2 (patch) | |
tree | b8de65cace4d5f7b786aa0521b5349f05c7fea07 /bfd/aoutx.h | |
parent | a63bcdb1fbf0fa523d8eb25b86e48af979e3c972 (diff) | |
download | binutils-redhat-8a85838c47b819892fcb21c4414f1123e6d241b2.tar.gz |
PR4694
* aoutx.h (final_link): Write a zero in first word of
stringtab if no symbols rather than corrupting last byte
of text/data.
Diffstat (limited to 'bfd/aoutx.h')
-rw-r--r-- | bfd/aoutx.h | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/bfd/aoutx.h b/bfd/aoutx.h index af7d45be3a..2b5507e100 100644 --- a/bfd/aoutx.h +++ b/bfd/aoutx.h @@ -5557,22 +5557,19 @@ NAME (aout, final_link) (bfd *abfd, exec_hdr (abfd)->a_drsize / obj_reloc_entry_size (abfd); /* Write out the string table, unless there are no symbols. */ + if (bfd_seek (abfd, obj_str_filepos (abfd), SEEK_SET) != 0) + goto error_return; if (abfd->symcount > 0) { - if (bfd_seek (abfd, obj_str_filepos (abfd), SEEK_SET) != 0 - || ! emit_stringtab (abfd, aout_info.strtab)) + if (!emit_stringtab (abfd, aout_info.strtab)) goto error_return; } - else if (obj_textsec (abfd)->reloc_count == 0 - && obj_datasec (abfd)->reloc_count == 0) + else { - bfd_byte b; - file_ptr pos; + bfd_byte b[BYTES_IN_WORD]; - b = 0; - pos = obj_datasec (abfd)->filepos + exec_hdr (abfd)->a_data - 1; - if (bfd_seek (abfd, pos, SEEK_SET) != 0 - || bfd_bwrite (&b, (bfd_size_type) 1, abfd) != 1) + memset (b, 0, BYTES_IN_WORD); + if (bfd_bwrite (b, (bfd_size_type) BYTES_IN_WORD, abfd) != BYTES_IN_WORD) goto error_return; } |