aboutsummaryrefslogtreecommitdiff
path: root/include
diff options
context:
space:
mode:
Diffstat (limited to 'include')
-rw-r--r--include/dlfcn.h48
-rw-r--r--include/ldsodefs.h15
2 files changed, 46 insertions, 17 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
diff --git a/include/ldsodefs.h b/include/ldsodefs.h
deleted file mode 100644
index f171d4c7ea..0000000000
--- a/include/ldsodefs.h
+++ /dev/null
@@ -1,15 +0,0 @@
-/* We must use the appropriate version for the system. */
-#ifdef HAVE_ELF
-# include <elf/ldsodefs.h>
-#else
-/* We have no dynamic loading. Define the macros we need here as dummy
- versions. */
-# ifndef _LDSODEFS_H
-# define _LDSODEFS_H 1
-
-/* Call a function through a pointer. */
-# define _CALL_DL_FCT(fctp, args) (*fctp) args
-# define DL_CALL_FCT(fctp, args) (*fctp) args
-
-# endif /* ldsodefs.h */
-#endif