Use common bits/shm.h for more architectures.
[glibc.git] / sysdeps / generic / symbol-hacks.h
blobd614c099c9f91447a331ed3a90155960cca597cd
1 /* Some compiler optimizations may transform loops into memset/memmove
2 calls and without proper declaration it may generate PLT calls. */
3 #if !defined __ASSEMBLER__ && IS_IN (libc) && defined SHARED
4 asm ("memmove = __GI_memmove");
5 asm ("memset = __GI_memset");
6 asm ("memcpy = __GI_memcpy");
8 /* Some targets do not use __stack_chk_fail_local. In libc.so,
9 redirect __stack_chk_fail to a hidden reference
10 __stack_chk_fail_local, to avoid the PLT reference.
11 __stack_chk_fail itself is a global symbol, exported from libc.so,
12 and cannot be made hidden. */
14 # if IS_IN (libc) && defined SHARED && \
15 defined STACK_PROTECTOR_LEVEL && STACK_PROTECTOR_LEVEL > 0
16 asm (".hidden __stack_chk_fail_local\n"
17 "__stack_chk_fail = __stack_chk_fail_local");
18 # endif
19 #endif