diff options
| author | Austin Foxley <austinf@cetoncorp.com> | 2009-12-19 13:35:52 -0800 |
|---|---|---|
| committer | Austin Foxley <austinf@cetoncorp.com> | 2009-12-19 13:35:52 -0800 |
| commit | 7dcd83e8bded560b6a2c658889995390d3021a92 (patch) | |
| tree | b3cb711457462a5219ac0bdc4d11eb6e71e5c9de /libc/string | |
| parent | e092e7c30464555b3fb81adc8f2f479e892b0786 (diff) | |
x86_64: fix multiple definition of chk functions
also enable __chk_fail and only try to call it when SSP is on
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
Diffstat (limited to 'libc/string')
| -rw-r--r-- | libc/string/x86_64/bzero.S | 1 | ||||
| -rw-r--r-- | libc/string/x86_64/memcpy.S | 2 | ||||
| -rw-r--r-- | libc/string/x86_64/mempcpy.S | 1 | ||||
| -rw-r--r-- | libc/string/x86_64/memset.S | 4 |
4 files changed, 7 insertions, 1 deletions
diff --git a/libc/string/x86_64/bzero.S b/libc/string/x86_64/bzero.S index 4d179ec4e..231d7cb41 100644 --- a/libc/string/x86_64/bzero.S +++ b/libc/string/x86_64/bzero.S @@ -1,5 +1,6 @@ #include <features.h> #ifdef __UCLIBC_SUSV3_LEGACY__ # define memset bzero +# define __memset_chk __bzero_chk # include "memset.S" #endif diff --git a/libc/string/x86_64/memcpy.S b/libc/string/x86_64/memcpy.S index 011291447..6d941e0f2 100644 --- a/libc/string/x86_64/memcpy.S +++ b/libc/string/x86_64/memcpy.S @@ -29,7 +29,9 @@ #if defined __PIC__ && !defined NOT_IN_libc ENTRY (__memcpy_chk) cmpq %rdx, %rcx +#if defined __UCLIBC_HAS_SSP__ jb HIDDEN_JUMPTARGET (__chk_fail) +#endif END (__memcpy_chk) #endif ENTRY (BP_SYM (memcpy)) diff --git a/libc/string/x86_64/mempcpy.S b/libc/string/x86_64/mempcpy.S index 3816d9f72..b0607aa57 100644 --- a/libc/string/x86_64/mempcpy.S +++ b/libc/string/x86_64/mempcpy.S @@ -1,3 +1,4 @@ #define memcpy mempcpy +#define __memcpy_chk __mempcpy_chk #include "memcpy.S" libc_hidden_def(mempcpy) diff --git a/libc/string/x86_64/memset.S b/libc/string/x86_64/memset.S index 562574a4d..df265f394 100644 --- a/libc/string/x86_64/memset.S +++ b/libc/string/x86_64/memset.S @@ -29,10 +29,12 @@ #define LARGE $120000 .text -#if !BZERO_P && defined __PIC__ && !defined NOT_IN_libc +#if defined __PIC__ && !defined NOT_IN_libc ENTRY (__memset_chk) cmpq %rdx, %rcx +#if defined __UCLIBC_HAS_SSP__ jb HIDDEN_JUMPTARGET (__chk_fail) +#endif END (__memset_chk) #endif ENTRY (memset) |