diff options
| -rw-r--r-- | ChangeLog | 6 | ||||
| -rw-r--r-- | sysdeps/i386/i586/memcpy.S | 7 | ||||
| -rw-r--r-- | sysdeps/i386/i586/mempcpy.S | 1 | ||||
| -rw-r--r-- | sysdeps/i386/i586/memset.S | 7 |
4 files changed, 21 insertions, 0 deletions
@@ -1,3 +1,9 @@ +2007-09-14 H.J. Lu <hongjiu.lu@intel.com> + + * sysdeps/i386/i586/memcpy.S (__memcpy_chk): New definition. + * sysdeps/i386/i586/mempcpy.S (__memcpy_chk): New definition. + * sysdeps/i386/i586/memset.S (__memset_chk): New definition. + 2007-09-15 Mike Frysinger <vapier@gentoo.org> * inet/inet_net.c: Reset digit to 0 for inputs starting with "0x". diff --git a/sysdeps/i386/i586/memcpy.S b/sysdeps/i386/i586/memcpy.S index 6ab457f..677a7e6 100644 --- a/sysdeps/i386/i586/memcpy.S +++ b/sysdeps/i386/i586/memcpy.S @@ -35,6 +35,13 @@ #define LEN SRC+PTR_SIZE .text +#if defined PIC && !defined NOT_IN_libc +ENTRY (__memcpy_chk) + movl 12(%esp), %eax + cmpl %eax, 16(%esp) + jb HIDDEN_JUMPTARGET (__chk_fail) +END (__memcpy_chk) +#endif ENTRY (BP_SYM (memcpy)) ENTER diff --git a/sysdeps/i386/i586/mempcpy.S b/sysdeps/i386/i586/mempcpy.S index 0c9520e..f492be7 100644 --- a/sysdeps/i386/i586/mempcpy.S +++ b/sysdeps/i386/i586/mempcpy.S @@ -1,4 +1,5 @@ #define memcpy __mempcpy +#define __memcpy_chk __mempcpy_chk #include <sysdeps/i386/i586/memcpy.S> libc_hidden_def (BP_SYM (__mempcpy)) diff --git a/sysdeps/i386/i586/memset.S b/sysdeps/i386/i586/memset.S index c21e9f7..3295b48 100644 --- a/sysdeps/i386/i586/memset.S +++ b/sysdeps/i386/i586/memset.S @@ -38,6 +38,13 @@ #endif .text +#if defined PIC && !defined NOT_IN_libc && !BZERO_P +ENTRY (__memset_chk) + movl 12(%esp), %eax + cmpl %eax, 16(%esp) + jb HIDDEN_JUMPTARGET (__chk_fail) +END (__memset_chk) +#endif ENTRY (BP_SYM (memset)) ENTER |