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| author | kib <kib@FreeBSD.org> | 2010-08-24 12:58:54 +0000 |
|---|---|---|
| committer | kib <kib@FreeBSD.org> | 2010-08-24 12:58:54 +0000 |
| commit | ccc2cef693f2f02fa55024c17c959c78003839d9 (patch) | |
| tree | 93ba3d280e5bad7826eeb6ed6dc6443564e85d59 /lib/libc/sys/stack_protector_compat.c | |
| parent | 78f20695ad97aec1063beb298dc82b8ffc3eeb4d (diff) | |
| download | FreeBSD-src-ccc2cef693f2f02fa55024c17c959c78003839d9.zip FreeBSD-src-ccc2cef693f2f02fa55024c17c959c78003839d9.tar.gz | |
Move the __stack_chk_fail_local@FBSD_1.0 compat symbol definition into
the separate .o for libc_pic.a. This prevents rtld from making the
symbol global.
Putting the stack_protector_compat.c into the public domain acknowledged
by kan.
Reviewed by: kan
MFC after: 2 weeks
Diffstat (limited to 'lib/libc/sys/stack_protector_compat.c')
| -rw-r--r-- | lib/libc/sys/stack_protector_compat.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/lib/libc/sys/stack_protector_compat.c b/lib/libc/sys/stack_protector_compat.c new file mode 100644 index 0000000..cacb863 --- /dev/null +++ b/lib/libc/sys/stack_protector_compat.c @@ -0,0 +1,20 @@ +/* + * Written by Alexander Kabaev <kan@FreeBSD.org> + * The file is in public domain. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +void __stack_chk_fail(void); + +#ifdef PIC +void +__stack_chk_fail_local_hidden(void) +{ + + __stack_chk_fail(); +} + +__sym_compat(__stack_chk_fail_local, __stack_chk_fail_local_hidden, FBSD_1.0); +#endif |
