diff options
Diffstat (limited to 'include/dlfcn.h')
| -rw-r--r-- | include/dlfcn.h | 60 |
1 files changed, 58 insertions, 2 deletions
diff --git a/include/dlfcn.h b/include/dlfcn.h index d6111c0e76..3ff855a367 100644 --- a/include/dlfcn.h +++ b/include/dlfcn.h @@ -11,8 +11,6 @@ #define __LM_ID_CALLER -2 /* Now define the internal interfaces. */ -extern void *__dlvsym (void *__handle, __const char *__name, - __const char *__version); #define __libc_dlopen(name) __libc_dlopen_mode (name, RTLD_LAZY) extern void *__libc_dlopen_mode (__const char *__name, int __mode); @@ -76,4 +74,62 @@ extern int _dl_catch_error (const char **objname, const char **errstring, extern int _dlerror_run (void (*operate) (void *), void *args) internal_function; +#ifdef SHARED +# define DL_CALLER_DECL /* Nothing */ +# define DL_CALLER RETURN_ADDRESS (0) +#else +# define DL_CALLER_DECL , void *dl_caller +# define DL_CALLER dl_caller +#endif + +struct dlfcn_hook +{ + void *(*dlopen) (const char *file, int mode, void *dl_caller); + int (*dlclose) (void *handle); + void *(*dlsym) (void *handle, const char *name, void *dl_caller); + void *(*dlvsym) (void *handle, const char *name, const char *version, + void *dl_caller); + char *(*dlerror) (void); + int (*dladdr) (const void *address, Dl_info *info); + int (*dladdr1) (const void *address, Dl_info *info, + void **extra_info, int flags); + int (*dlinfo) (void *handle, int request, void *arg, void *dl_caller); + void *(*dlmopen) (Lmid_t nsid, const char *file, int mode, void *dl_caller); + void *pad[4]; +}; + +extern struct dlfcn_hook *_dlfcn_hook; +libdl_hidden_proto (_dlfcn_hook) + +extern void *__dlopen (const char *file, int mode DL_CALLER_DECL) + attribute_hidden; +extern void *__dlmopen (Lmid_t nsid, const char *file, int mode DL_CALLER_DECL) + attribute_hidden; +extern int __dlclose (void *handle) + attribute_hidden; +extern void *__dlsym (void *handle, const char *name DL_CALLER_DECL) + attribute_hidden; +extern void *__dlvsym (void *handle, const char *name, const char *version + DL_CALLER_DECL) + attribute_hidden; +extern char *__dlerror (void) + attribute_hidden; +extern int __dladdr (const void *address, Dl_info *info) + attribute_hidden; +extern int __dladdr1 (const void *address, Dl_info *info, + void **extra_info, int flags) + attribute_hidden; +extern int __dlinfo (void *handle, int request, void *arg DL_CALLER_DECL) + attribute_hidden; + +#ifndef SHARED +struct link_map; +extern void * __libc_dlsym_private (struct link_map *map, const char *name) + attribute_hidden; +extern void __libc_register_dl_open_hook (struct link_map *map) + attribute_hidden; +extern void __libc_register_dlfcn_hook (struct link_map *map) + attribute_hidden; +#endif + #endif |