Add a new function dlversion() which returns the version number of

the dynamic linker in the same form as __FreeBSD_version.  This is
mainly intended for checking the dynamic linker version during a make
world.

1 files changed, 16 insertions, 1 deletions

diff --git a/libexec/rtld-elf/rtld.c b/libexec/rtld-elf/rtld.c
index f5bad83..dc2c83b 100644
--- a/libexec/rtld-elf/rtld.c
+++ b/libexec/rtld-elf/rtld.c
@@ -22,7 +22,7 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
- *      $Id: rtld.c,v 1.16 1999/04/04 06:01:09 peter Exp $
+ *      $Id: rtld.c,v 1.17 1999/04/05 02:36:40 jdp Exp $
  */
 
 /*
@@ -52,6 +52,14 @@
 #include "rtld.h"
 
 /*
+ * Version number queried by dlversion().  The first 3 digits represent
+ * the base FreeBSD release.  The last 3 digits are a serial number.
+ * Increase this when you fix a significant bug or add a significant
+ * feature.
+ */
+#define DL_VERSION	400001
+
+/*
  * Debugging support.
  */
 
@@ -152,6 +160,7 @@ static func_ptr_type exports[] = {
     (func_ptr_type) &dlopen,
     (func_ptr_type) &dlsym,
     (func_ptr_type) &dladdr,
+    (func_ptr_type) &dlversion,
     NULL
 };
 
@@ -1273,6 +1282,12 @@ dlsym(void *handle, const char *name)
 }
 
 int
+dlversion(void)
+{
+    return DL_VERSION;
+}
+
+int
 dladdr(const void *addr, Dl_info *info)
 {
     const Obj_Entry *obj;