From 9bdfff60008403ff693ccc71da5957a4e57bfc25 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Sat, 15 Sep 2007 22:24:03 +0000 Subject: * 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. --- sysdeps/i386/i586/memcpy.S | 7 +++++++ sysdeps/i386/i586/mempcpy.S | 1 + sysdeps/i386/i586/memset.S | 7 +++++++ 3 files changed, 15 insertions(+) (limited to 'sysdeps/i386') diff --git a/sysdeps/i386/i586/memcpy.S b/sysdeps/i386/i586/memcpy.S index 6ab457fc55..677a7e6204 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 0c9520e3b4..f492be7ca0 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 libc_hidden_def (BP_SYM (__mempcpy)) diff --git a/sysdeps/i386/i586/memset.S b/sysdeps/i386/i586/memset.S index c21e9f7a71..3295b48e71 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 -- cgit 1.4.1