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authorMaciej W. Rozycki <macro@codesourcery.com>2014-06-20 21:52:53 +0100
committerMaciej W. Rozycki <macro@codesourcery.com>2014-06-20 21:52:53 +0100
commit257ce7127e2f64a6a959b146786cd43de0e42b5f (patch)
treeb4742c132f39b11d8c66efed76a91b32cce9f78b /elf
parent4e6d234712f976eee62fb2047338a501da00c4c7 (diff)
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[BZ #16046] dl_iterate_phdr static executable test
Diffstat (limited to 'elf')
-rw-r--r--elf/Makefile2
-rw-r--r--elf/tst-dl-iter-static.c47
2 files changed, 48 insertions, 1 deletions
diff --git a/elf/Makefile b/elf/Makefile
index 6602ed5cf3..25012cc2d8 100644
--- a/elf/Makefile
+++ b/elf/Makefile
@@ -121,7 +121,7 @@ tests = tst-tls1 tst-tls2 tst-tls9 tst-leaks1 \
 	tst-auxv
 tests-static = tst-tls1-static tst-tls2-static tst-stackguard1-static \
 	       tst-leaks1-static tst-array1-static tst-array5-static \
-	       tst-ptrguard1-static
+	       tst-ptrguard1-static tst-dl-iter-static
 ifeq (yes,$(build-shared))
 tests-static += tst-tls9-static
 tst-tls9-static-ENV = \
diff --git a/elf/tst-dl-iter-static.c b/elf/tst-dl-iter-static.c
new file mode 100644
index 0000000000..7303d7c9fb
--- /dev/null
+++ b/elf/tst-dl-iter-static.c
@@ -0,0 +1,47 @@
+/* BZ #16046 dl_iterate_phdr static executable test.
+   Copyright (C) 2014 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 <link.h>
+
+/* Check that the link map of the static executable itself is iterated
+   over exactly once.  */
+
+static int
+callback (struct dl_phdr_info *info, size_t size, void *data)
+{
+  int *count = data;
+
+  if (info->dlpi_name[0] == '\0')
+    (*count)++;
+
+  return 0;
+}
+
+static int
+do_test (void)
+{
+  int count = 0;
+  int status;
+
+  status = dl_iterate_phdr (callback, &count);
+
+  return status || count != 1;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"