diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/libc-symbols.h | 16 | ||||
| -rw-r--r-- | include/unistd.h | 4 |
2 files changed, 18 insertions, 2 deletions
diff --git a/include/libc-symbols.h b/include/libc-symbols.h index 22f7d854c1..bc1c24033f 100644 --- a/include/libc-symbols.h +++ b/include/libc-symbols.h @@ -349,15 +349,27 @@ strong_alias(real, name) #endif +#if defined HAVE_VISIBILITY_ATTRIBUTE && defined SHARED +# define attribute_hidden __attribute__ ((visibility ("hidden"))) +#else +# define attribute_hidden +#endif + /* Handling on non-exported internal names. We have to do this only for shared code. */ #ifdef SHARED # define INTUSE(name) name##_internal -# define INTDEF(name) strong_alias (name, name##_internal); -# define INTDEF2(name, newname) strong_alias (name, newname##_internal); +# define INTDEF(name) strong_alias (name, name##_internal) +# define INTVARDEF(name) \ + _INTVARDEF(name, name##_internal) +# define _INTVARDEF(name, aliasname) \ + extern __typeof (name) aliasname __attribute__ ((visibility ("hidden"))); \ + strong_alias (name, name##_internal) +# define INTDEF2(name, newname) strong_alias (name, newname##_internal) #else # define INTUSE(name) name # define INTDEF(name) +# define INTVARDEF(name) # define INTDEF2(name, newname) #endif diff --git a/include/unistd.h b/include/unistd.h index b8bc8bbf72..8fd7088320 100644 --- a/include/unistd.h +++ b/include/unistd.h @@ -98,6 +98,10 @@ extern void *__sbrk (intptr_t __delta); and some functions contained in the C library ignore various environment variables that normally affect them. */ extern int __libc_enable_secure; +#ifdef _RTLD_LOCAL +/* XXX The #ifdef should go. */ +extern int __libc_enable_secure_internal attribute_hidden; +#endif /* Various internal function. */ |