aboutsummaryrefslogtreecommitdiff
path: root/gas/as.c
diff options
context:
space:
mode:
authorAlan Modra <amodra@gmail.com>2018-10-15 16:10:27 +1030
committerAlan Modra <amodra@gmail.com>2018-10-15 22:11:58 +1030
commitbf2dd8d7cf4114b8a60dbb83b340f76b9b2474d1 (patch)
tree0ba71a654d503cc47523f3bf878d9e1d9c2c2d58 /gas/as.c
parentdc86962bf15e7b8dfdcebc17d83b9b48be0bd9cb (diff)
downloadgdb-bf2dd8d7cf4114b8a60dbb83b340f76b9b2474d1.zip
gdb-bf2dd8d7cf4114b8a60dbb83b340f76b9b2474d1.tar.gz
gdb-bf2dd8d7cf4114b8a60dbb83b340f76b9b2474d1.tar.bz2
BFD_INIT_MAGIC
This patch performs a run-time test that a shared libbfd.so has been compiled with the same size bfd_vma as that of apps using the library. On a 32-bit host it is easily possible to have one libbfd.so compiled to support 64-bit targets (or configured with --enable-64-bit-bfd) while another only supports 32-bit targets. The two libraries will have differently sized bfd_vma types, and if the wrong one is loaded all sorts of weird behaviour might be seen. bfd/ PR 23534 * init.c (BFD_INIT_MAGIC): Define. (bfd_init): Return BFD_INIT_MAGIC. bfd-in2.h: Regenerate. binutils/ PR 23534 * addr2line.c (main): Exit with fatal error if bfd_init returns an unexpected value. * ar.c (main): Likewise. * dlltool.c (identify_dll_for_implib): Likewise. * nm.c (main): Likewise. * objcopy.c (main): Likewise. * objdump.c (main): Likewise. * size.c (main): Likewise. * strings.c (main): Likewise. * windmc.c (main): Likewise. * windres.c (main): Likewise. gas/ PR 23534 * as.c (main): Exit with fatal error if bfd_init returns an unexpected value. ld/ PR 23534 * ldmain.c (main): Exit with fatal error if bfd_init returns an unexpected value.
Diffstat (limited to 'gas/as.c')
-rw-r--r--gas/as.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/gas/as.c b/gas/as.c
index 3105d06..c4de060 100644
--- a/gas/as.c
+++ b/gas/as.c
@@ -1239,7 +1239,8 @@ main (int argc, char ** argv)
out_file_name = OBJ_DEFAULT_OUTPUT_FILE_NAME;
hex_init ();
- bfd_init ();
+ if (bfd_init () != BFD_INIT_MAGIC)
+ as_fatal (_("libbfd ABI mismatch"));
bfd_set_error_program_name (myname);
#ifdef USE_EMULATIONS