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Diffstat (limited to 'dlfcn/dlvsym.c')
-rw-r--r--dlfcn/dlvsym.c25
1 files changed, 22 insertions, 3 deletions
diff --git a/dlfcn/dlvsym.c b/dlfcn/dlvsym.c
index 2486845..9f12764 100644
--- a/dlfcn/dlvsym.c
+++ b/dlfcn/dlvsym.c
@@ -22,6 +22,17 @@
#include <ldsodefs.h>
+#if !defined SHARED && defined IS_IN_libdl
+
+void *
+weak_function
+dlvsym (void *handle, const char *name, const char *version_str)
+{
+ return __dlvsym (handle, name, version_str, RETURN_ADDRESS (0));
+}
+
+#else
+
struct dlvsym_args
{
/* The arguments to dlvsym_doit. */
@@ -44,13 +55,18 @@ dlvsym_doit (void *a)
}
void *
-__dlvsym (void *handle, const char *name, const char *version_str)
+__dlvsym (void *handle, const char *name, const char *version_str
+ DL_CALLER_DECL)
{
- struct dlvsym_args args;
+# ifdef SHARED
+ if (__builtin_expect (_dlfcn_hook != NULL, 0))
+ return _dlfcn_hook->dlvsym (handle, name, version_str, DL_CALLER);
+# endif
+ struct dlvsym_args args;
args.handle = handle;
args.name = name;
- args.who = RETURN_ADDRESS (0);
+ args.who = DL_CALLER;
args.version = version_str;
/* Protect against concurrent loads and unloads. */
@@ -62,4 +78,7 @@ __dlvsym (void *handle, const char *name, const char *version_str)
return result;
}
+# ifdef SHARED
weak_alias (__dlvsym, dlvsym)
+# endif
+#endif