Signed-off-by: Jiri Jaburek <jjabu...@redhat.com>
---
testcases/kernel/syscalls/profil/profil01.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/testcases/kernel/syscalls/profil/profil01.c
b/testcases/kernel/syscalls/profil/profil01.c
index ec752cb..37106fc 100644
--- a/testcases/kernel/syscalls/profil/profil01.c
+++ b/testcases/kernel/syscalls/profil/profil01.c
@@ -49,7 +49,16 @@ static void alrm_handler(int sig)
static void __attribute__ ((noinline)) *get_pc(void)
{
+#if defined(__s390__) && __WORDSIZE == 32
+ /* taken from glibc,
+ * sysdeps/unix/sysv/linux/s390/s390-32/profil-counter.h
+ * 31-bit s390 pointers don't use the 32th bit, however integers do,
+ * so wrap the value around at 31 bits */
+ return (void *)
+ ((unsigned long) __builtin_return_address(0) & 0x7fffffffUL);
+#else
return __builtin_return_address(0);
+#endif
}
static void test_profil(void)
--
2.1.0
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