diff options
| author | Konstantin Belousov <kib@FreeBSD.org> | 2010-09-07 12:06:41 +0000 |
|---|---|---|
| committer | Konstantin Belousov <kib@FreeBSD.org> | 2010-09-07 12:06:41 +0000 |
| commit | 4fb6f53fab7154a0e11e378347a6a2d446d72961 (patch) | |
| tree | da590d580d0d2f84e11f8e784b3642270c8888f4 /lib/libc | |
| parent | f2ade43c8755060c8ab097042436db5ce4b68f79 (diff) | |
Notes
Diffstat (limited to 'lib/libc')
| -rw-r--r-- | lib/libc/sys/Makefile.inc | 2 | ||||
| -rw-r--r-- | lib/libc/sys/stack_protector.c | 4 | ||||
| -rw-r--r-- | lib/libc/sys/stack_protector_compat.c | 20 |
3 files changed, 22 insertions, 4 deletions
diff --git a/lib/libc/sys/Makefile.inc b/lib/libc/sys/Makefile.inc index 1915c550ebaf..df6e19de5134 100644 --- a/lib/libc/sys/Makefile.inc +++ b/lib/libc/sys/Makefile.inc @@ -18,7 +18,7 @@ .endif # Sources common to both syscall interfaces: -SRCS+= stack_protector.c __error.c +SRCS+= stack_protector.c stack_protector_compat.c __error.c .if !defined(WITHOUT_SYSCALL_COMPAT) SRCS+= fcntl.c ftruncate.c lseek.c mmap.c pread.c pwrite.c truncate.c PSEUDO+= _fcntl.o diff --git a/lib/libc/sys/stack_protector.c b/lib/libc/sys/stack_protector.c index 5fa7bb75d4c8..03241b218528 100644 --- a/lib/libc/sys/stack_protector.c +++ b/lib/libc/sys/stack_protector.c @@ -107,8 +107,6 @@ __chk_fail(void) __fail("buffer overflow detected; terminated"); } -#ifdef PIC -__sym_compat(__stack_chk_fail_local, __stack_chk_fail, FBSD_1.0); -#else +#ifndef PIC __weak_reference(__stack_chk_fail, __stack_chk_fail_local); #endif diff --git a/lib/libc/sys/stack_protector_compat.c b/lib/libc/sys/stack_protector_compat.c new file mode 100644 index 000000000000..cacb863e75e6 --- /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 |
