Blame sysdeps/generic/symbol-hacks.h
|
Packit |
6c4009 |
/* Some compiler optimizations may transform loops into memset/memmove
|
|
Packit |
6c4009 |
calls and without proper declaration it may generate PLT calls. */
|
|
Packit |
6c4009 |
#if !defined __ASSEMBLER__ && IS_IN (libc) && defined SHARED
|
|
Packit |
6c4009 |
asm ("memmove = __GI_memmove");
|
|
Packit |
6c4009 |
asm ("memset = __GI_memset");
|
|
Packit |
6c4009 |
asm ("memcpy = __GI_memcpy");
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
/* Some targets do not use __stack_chk_fail_local. In libc.so,
|
|
Packit |
6c4009 |
redirect __stack_chk_fail to a hidden reference
|
|
Packit |
6c4009 |
__stack_chk_fail_local, to avoid the PLT reference.
|
|
Packit |
6c4009 |
__stack_chk_fail itself is a global symbol, exported from libc.so,
|
|
Packit |
6c4009 |
and cannot be made hidden. */
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
# if IS_IN (libc) && defined SHARED && \
|
|
Packit |
6c4009 |
defined STACK_PROTECTOR_LEVEL && STACK_PROTECTOR_LEVEL > 0
|
|
Packit |
6c4009 |
asm (".hidden __stack_chk_fail_local\n"
|
|
Packit |
6c4009 |
"__stack_chk_fail = __stack_chk_fail_local");
|
|
Packit |
6c4009 |
# endif
|
|
Packit |
6c4009 |
#endif
|