Initial import of ELF ld.so. This was written indepently of the gnu rtld

code and is fully BSD copyrighted.
This initial import contains a mostly working mips and partially working
powerpc version. No support for ld.so.hints or system run path exists.

1 files changed, 77 insertions, 0 deletions

diff --git a/libexec/ld.so/libdl/libdl.c b/libexec/ld.so/libdl/libdl.c
new file mode 100644
index 00000000000..c794002c2d2
--- /dev/null
+++ b/libexec/ld.so/libdl/libdl.c
@@ -0,0 +1,77 @@
+/*	$OpenBSD: libdl.c,v 1.1 2000/06/13 03:34:09 rahnds Exp $ */
+
+/*
+ * Copyright (c) 1998 Per Fogelstrom, Opsycon AB
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed under OpenBSD by
+ *	Per Fogelstrom, Opsycon AB, Sweden.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ */
+
+/*
+ *	All functions here are just stubs that will be overridden
+ *	by the real functions in ld.so when dynamic loading is
+ *	performed at exec. The dl library is provided as a link
+ *	helper so we can link a program using the dl functions
+ *	without getting any unresolved references.
+ */
+
+void *dlopen(const char *libname, int how) __attribute__((weak));
+void *dlsym(void *handle, const char *name) __attribute__((weak));
+int dlctl(void *handle, int command, void *data) __attribute__((weak));
+int dlclose(void *handle)__attribute__((weak));
+const char * dlerror() __attribute__((weak));
+
+void *
+dlopen(const char *libname, int how)
+{
+	printf("ERROR! libdl incorrectly linked!\n");
+}
+
+void *
+dlsym(void *handle, const char *name)
+{
+	printf("ERROR! libdl incorrectly linked!\n");
+}
+
+int
+dlctl(void *handle, int command, void *data)
+{
+	printf("ERROR! libdl incorrectly linked!\n");
+}
+
+int
+dlclose(void *handle)
+{
+	printf("ERROR! libdl incorrectly linked!\n");
+}
+
+const char *
+dlerror()
+{
+	printf("ERROR! libdl incorrectly linked!\n");
+}