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Define and use `WEAK'

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This commit is contained in:
Tommi Rantala 2012-09-19 14:44:33 +03:00
parent e3e49dc28a
commit e0653f9e3a
2 changed files with 3 additions and 1 deletions
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2
include/compiler.h
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@ -45,6 +45,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
# define HIDDEN # define HIDDEN
# define PROTECTED # define PROTECTED
# endif # endif
# define WEAK __attribute__((weak))
# if (__GNUC__ >= 3) # if (__GNUC__ >= 3)
# define likely(x) __builtin_expect ((x), 1) # define likely(x) __builtin_expect ((x), 1)
# define unlikely(x) __builtin_expect ((x), 0) # define unlikely(x) __builtin_expect ((x), 0)
@ -61,6 +62,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
# define ALIAS(name) # define ALIAS(name)
# define HIDDEN # define HIDDEN
# define PROTECTED # define PROTECTED
# define WEAK
# define likely(x) (x) # define likely(x) (x)
# define unlikely(x) (x) # define unlikely(x) (x)
#endif #endif

2
src/mi/backtrace.c
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@ -76,6 +76,6 @@ unw_backtrace (void **buffer, int size)
} }
extern int backtrace (void **buffer, int size) extern int backtrace (void **buffer, int size)
__attribute__((weak, alias("unw_backtrace"))); WEAK __attribute__((alias("unw_backtrace")));
#endif /* !UNW_REMOTE_ONLY */ #endif /* !UNW_REMOTE_ONLY */