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authorUlrich Drepper <drepper@redhat.com>2004-01-08 18:23:53 +0000
committerUlrich Drepper <drepper@redhat.com>2004-01-08 18:23:53 +0000
commit249a3d0c4ffb36f4aacdbae357b371d53325f674 (patch)
tree11fb4e3b8c168558fc92a6d4361221a793ac3239 /nptl/tst-backtrace1.c
parentf39eef7b5d2539cffa1149b0bbeb75f513a4ace3 (diff)
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Update.
2004-01-08 Jakub Jelinek <jakub@redhat.com> * sysdeps/unix/sysv/linux/x86_64/clone.S (__clone): Add cfi_endproc right before syscall and cfi_startproc before PSEUDO_END. Clear %rbp in thread_start.
Diffstat (limited to 'nptl/tst-backtrace1.c')
-rw-r--r--nptl/tst-backtrace1.c86
1 files changed, 86 insertions, 0 deletions
diff --git a/nptl/tst-backtrace1.c b/nptl/tst-backtrace1.c
new file mode 100644
index 0000000000..903c493743
--- /dev/null
+++ b/nptl/tst-backtrace1.c
@@ -0,0 +1,86 @@
+/* Copyright (C) 2004 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Jakub Jelinek <jakub@redhat.com>, 2004.
+
+ 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <execinfo.h>
+#include <pthread.h>
+#include <stdio.h>
+
+#define BT_SIZE 64
+void *bt_array[BT_SIZE];
+int bt_cnt;
+
+int
+do_bt (void)
+{
+ bt_cnt = backtrace (bt_array, BT_SIZE);
+ return 56;
+}
+
+int
+call_do_bt (void)
+{
+ return do_bt () + 1;
+}
+
+void *
+tf (void *arg)
+{
+ if (call_do_bt () != 57)
+ return (void *) 1L;
+ return NULL;
+}
+
+int
+do_test (void)
+{
+ pthread_t th;
+ if (pthread_create (&th, NULL, tf, NULL))
+ {
+ puts ("create failed");
+ return 1;
+ }
+
+ void *res;
+ if (pthread_join (th, &res))
+ {
+ puts ("join failed");
+ return 1;
+ }
+
+ if (res != NULL)
+ {
+ puts ("thread failed");
+ return 1;
+ }
+
+ char **text = backtrace_symbols (bt_array, bt_cnt);
+ if (text == NULL)
+ {
+ puts ("backtrace_symbols failed");
+ return 1;
+ }
+
+ for (int i = 0; i < bt_cnt; ++i)
+ puts (text[i]);
+
+ return 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"