diff options
Diffstat (limited to 'include/libc-symbols.h')
| -rw-r--r-- | include/libc-symbols.h | 31 |
1 files changed, 22 insertions, 9 deletions
diff --git a/include/libc-symbols.h b/include/libc-symbols.h index 391d53f1b..9ef87ce47 100644 --- a/include/libc-symbols.h +++ b/include/libc-symbols.h @@ -339,7 +339,7 @@ } libc_hidden_weak (foo) - Similarly for global data. If references to foo within libc.so should + Similarly for global data. If references to foo within libc.so should always go to foo defined in libc.so, then in include/foo.h you add: libc_hidden_proto (foo) @@ -354,7 +354,7 @@ int foo = INITIAL_FOO_VALUE; libc_hidden_data_weak (foo) - If foo is normally just an alias (strong or weak) of some other function, + If foo is normally just an alias (strong or weak) to some other function, you should use the normal strong_alias first, then add libc_hidden_def or libc_hidden_weak: @@ -419,9 +419,12 @@ # define __hidden_ver1(local, internal, name) \ extern __typeof (name) __EI_##name __asm__(__hidden_asmname (#internal)); \ extern __typeof (name) __EI_##name __attribute__((alias (__hidden_asmname1 (,#local)))) +# define hidden_ver(local, name) __hidden_ver1(local, __GI_##name, name); +# define hidden_data_ver(local, name) hidden_ver(local, name) # define hidden_def(name) __hidden_ver1(__GI_##name, name, name); # define hidden_data_def(name) hidden_def(name) -# define hidden_weak(name) __hidden_ver1(__GI_##name, name, name) __attribute__((weak)); +# define hidden_weak(name) \ + __hidden_ver1(__GI_##name, name, name) __attribute__((weak)); # define hidden_data_weak(name) hidden_weak(name) # else /* __ASSEMBLER__ */ @@ -478,26 +481,36 @@ hidden_proto doesn't make sense for assembly but the equivalent is to call via the HIDDEN_JUMPTARGET macro instead of JUMPTARGET. */ # define hidden_def(name) _hidden_strong_alias (name, __GI_##name) -# define hidden_data_def(name) _hidden_strong_alias (name, __GI_##name) # define hidden_weak(name) _hidden_weak_alias (name, __GI_##name) +# define hidden_ver(local, name) strong_alias (local, __GI_##name) +# define hidden_data_def(name) _hidden_strong_alias (name, __GI_##name) # define hidden_data_weak(name) _hidden_weak_alias (name, __GI_##name) -# define HIDDEN_JUMPTARGET(name) __GI_##name +# define hidden_data_ver(local, name) strong_data_alias (local, __GI_##name) +# ifdef HAVE_ASM_GLOBAL_DOT_NAME +# define HIDDEN_JUMPTARGET(name) .__GI_##name +# else +# define HIDDEN_JUMPTARGET(name) __GI_##name +# endif # endif /* __ASSEMBLER__ */ #else /* SHARED */ # ifndef __ASSEMBLER__ # define hidden_proto(name, attrs...) # else # define HIDDEN_JUMPTARGET(name) name -# endif -# define hidden_def(name) -# define hidden_data_def(name) +# endif /* Not __ASSEMBLER__ */ # define hidden_weak(name) +# define hidden_def(name) +# define hidden_ver(local, name) # define hidden_data_weak(name) +# define hidden_data_def(name) +# define hidden_data_ver(local, name) #endif /* SHARED */ /* uClibc does not support versioning yet. */ #define versioned_symbol(lib, local, symbol, version) /* weak_alias(local, symbol) */ +#undef hidden_ver #define hidden_ver(local, name) /* strong_alias(local, __GI_##name) */ +#undef hidden_data_ver #define hidden_data_ver(local, name) /* strong_alias(local,__GI_##name) */ #if !defined NOT_IN_libc @@ -698,4 +711,4 @@ # define libpthread_hidden_data_ver(local, name) #endif -#endif /* _LIBC_SYMBOLS_H */ +#endif /* libc-symbols.h */ |