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| author | Ian Lance Taylor <ian@airs.com> | 1999-09-11 22:41:54 +0000 |
|---|---|---|
| committer | Ian Lance Taylor <ian@airs.com> | 1999-09-11 22:41:54 +0000 |
| commit | 05bf877ad11654a983d2ed5d31370e4469a657f0 (patch) | |
| tree | f30a585c59f9991f439163e37eac2e8b934c26ae /bfd/peicode.h | |
| parent | 4cfec37b92f672f0b9d9cee334e83e201470654d (diff) | |
| download | gdb-05bf877ad11654a983d2ed5d31370e4469a657f0.zip gdb-05bf877ad11654a983d2ed5d31370e4469a657f0.tar.gz gdb-05bf877ad11654a983d2ed5d31370e4469a657f0.tar.bz2 | |
1999-09-11 Donn Terry <donn@interix.com>
* peicode.h (coff_swap_filehdr_in): Check the NT executable magic
number if COFF_IMAGE_WITH_PE.
Diffstat (limited to 'bfd/peicode.h')
| -rw-r--r-- | bfd/peicode.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/bfd/peicode.h b/bfd/peicode.h index e7bab84..2a19565 100644 --- a/bfd/peicode.h +++ b/bfd/peicode.h @@ -295,6 +295,21 @@ coff_swap_filehdr_in (abfd, src, dst) filehdr_dst->f_flags = bfd_h_get_16(abfd, (bfd_byte *)filehdr_src-> f_flags); filehdr_dst->f_symptr = bfd_h_get_32 (abfd, (bfd_byte *) filehdr_src->f_symptr); +#ifdef COFF_IMAGE_WITH_PE + /* There are really two magic numbers involved; the magic number + that says this is a NT executable (PEI) and the magic number that + determines the architecture. The former is DOSMAGIC, stored in + the e_magic field. The latter is stored in the f_magic field. + If the NT magic number isn't valid, the architecture magic number + could be mimicked by some other field (specifically, the number + of relocs in section 3). Since this routine can only be called + correctly for a PEI file, check the e_magic number here, and, if + it doesn't match, clobber the f_magic number so that we don't get + a false match. */ + if (bfd_h_get_16 (abfd, (bfd_byte *) filehdr_src->e_magic) != DOSMAGIC) + filehdr_dst->f_magic = -1; +#endif + /* Other people's tools sometimes generate headers with an nsyms but a zero symptr. */ if (filehdr_dst->f_nsyms != 0 && filehdr_dst->f_symptr == 0) |