diff options
Diffstat (limited to 'include/dlfcn.h')
| -rw-r--r-- | include/dlfcn.h | 48 |
1 files changed, 46 insertions, 2 deletions
diff --git a/include/dlfcn.h b/include/dlfcn.h index f875a636ae..72b9b0e83d 100644 --- a/include/dlfcn.h +++ b/include/dlfcn.h @@ -1,5 +1,5 @@ #ifndef _DLFCN_H -#include <elf/dlfcn.h> +#include <dlfcn/dlfcn.h> /* Now define the internal interfaces. */ extern void *__dlvsym __P ((void *__handle, __const char *__name, @@ -8,7 +8,51 @@ extern void *__dlvsym __P ((void *__handle, __const char *__name, extern void *__libc_dlopen __P ((__const char *__name)); extern void *__libc_dlsym __P ((void *__map, __const char *__name)); extern int __libc_dlclose __P ((void *__map)); -extern int _dl_addr __P ((const void *address, Dl_info *info)) + +/* Locate shared object containing the given address. */ +extern int _dl_addr (const void *address, Dl_info *info) + internal_function; + +/* Open the shared object NAME, relocate it, and run its initializer if it + hasn't already been run. MODE is as for `dlopen' (see <dlfcn.h>). If + the object is already opened, returns its existing map. */ +extern void *_dl_open (const char *name, int mode, const void *caller) + internal_function; + +/* Close an object previously opened by _dl_open. */ +extern void _dl_close (void *map) + internal_function; + +/* Look up NAME in shared object HANDLE (which may be RTLD_DEFAULT or + RTLD_NEXT). WHO is the calling function, for RTLD_NEXT. Returns + the symbol value, which may be NULL. */ +extern void *_dl_sym (void *handle, const char *name, void *who) internal_function; +/* Look up version VERSION of symbol NAME in shared object HANDLE + (which may be RTLD_DEFAULT or RTLD_NEXT). WHO is the calling + function, for RTLD_NEXT. Returns the symbol value, which may be + NULL. */ +extern void *_dl_vsym (void *handle, const char *name, const char *version, + void *who) + internal_function; + +/* Call OPERATE, catching errors from `dl_signal_error'. If there is no + error, *ERRSTRING is set to null. If there is an error, *ERRSTRING is + set to a string constructed from the strings passed to _dl_signal_error, + and the error code passed is the return value. ERRSTRING if nonzero + points to a malloc'ed string which the caller has to free after use. + ARGS is passed as argument to OPERATE. */ +extern int _dl_catch_error (char **errstring, + void (*operate) (void *), + void *args) + internal_function; + +/* Helper function for <dlfcn.h> functions. Runs the OPERATE function via + _dl_catch_error. Returns zero for success, nonzero for failure; and + arranges for `dlerror' to return the error details. + ARGS is passed as argument to OPERATE. */ +extern int _dlerror_run (void (*operate) (void *), void *args) + internal_function; + #endif |