diff options
Diffstat (limited to 'include/libc-symbols.h')
| -rw-r--r-- | include/libc-symbols.h | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/include/libc-symbols.h b/include/libc-symbols.h index c4bd02835e..79add73307 100644 --- a/include/libc-symbols.h +++ b/include/libc-symbols.h @@ -345,11 +345,18 @@ be able to use the set's contents. */ # define symbol_set_define(set) symbol_set_declare(set) -/* Declare SET for use in this module, if defined in another module. */ +/* Declare SET for use in this module, if defined in another module. + In a shared library, this is always local to that shared object. + For static linking, the set might be wholly absent and so we use + weak references. */ # define symbol_set_declare(set) \ - extern void *const __start_##set __attribute__ ((__weak__)); \ - extern void *const __stop_##set __attribute__ ((__weak__)); \ - weak_extern (__start_##set) weak_extern (__stop_##set) + extern void *const __start_##set __symbol_set_attribute; \ + extern void *const __stop_##set __symbol_set_attribute; +# ifdef SHARED +# define __symbol_set_attribute attribute_hidden +# else +# define __symbol_set_attribute __attribute__ ((weak)) +# endif /* Return a pointer (void *const *) to the first element of SET. */ # define symbol_set_first_element(set) (&__start_##set) |