Adjust AT_EXECFN when using explicit loader invocation.

2013-11-18  Paul Pluzhnikov  <ppluzhnikov@google.com>

	* elf/Makefile (tst-auxv): New test.
	* elf/tst-auxv.c: New
	* elf/rtld.c (dl_main): Adjust AT_EXECFN

diff --git a/elf/tst-auxv.c b/elf/tst-auxv.c
new file mode 100644 (file)
index 0000000..454c0b0
--- /dev/null
+++ b/elf/tst-auxv.c
@@ -0,0 +1,45 @@
+/* Copyright (C) 2013 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <elf.h>
+#include <link.h>
+#include <string.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <misc/sys/auxv.h>
+
+static int
+do_test (int argc, char *argv[])
+{
+  const char *execfn = (const char *) getauxval (AT_EXECFN);
+
+  if (execfn == NULL)
+    {
+      printf ("No AT_EXECFN found, test skipped\n");
+      return 0;
+    }
+
+  if (strcmp (argv[0], execfn) != 0)
+    {
+      printf ("Mismatch: argv[0]: %s vs. AT_EXECFN: %s\n", argv[0], execfn);
+      return 1;
+    }
+
+  return 0;
+}
+
+#include "../test-skeleton.c"