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authorWaldemar Brodkorb <wbx@uclibc-ng.org>2016-10-24 20:22:12 +0200
committerWaldemar Brodkorb <wbx@uclibc-ng.org>2016-10-24 20:22:12 +0200
commit7988979a722b4cdf287b2093956a76a3f19b9897 (patch)
treed35e251d0472ceca55a2eef61cff261c8ee68fab /test/setjmp/sigjmpbug.c
add uClibc-ng test directory
Diffstat (limited to 'test/setjmp/sigjmpbug.c')
-rw-r--r--test/setjmp/sigjmpbug.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/test/setjmp/sigjmpbug.c b/test/setjmp/sigjmpbug.c
new file mode 100644
index 0000000..5b17181
--- /dev/null
+++ b/test/setjmp/sigjmpbug.c
@@ -0,0 +1,51 @@
+/* sigsetjmp vs alloca test case. Exercised bug on sparc. */
+
+#include <stdio.h>
+#include <setjmp.h>
+#include <alloca.h>
+
+int ret;
+int verbose;
+
+__attribute__ ((__noreturn__))
+static void
+sub5 (jmp_buf buf)
+{
+ siglongjmp (buf, 1);
+}
+
+static void
+test (int x)
+{
+ sigjmp_buf buf;
+ char *foo;
+ int arr[100];
+
+ ++ret;
+
+ arr[77] = x;
+ if (sigsetjmp (buf, 1))
+ {
+ --ret;
+ if (verbose)
+ printf ("made it ok; %d\n", arr[77]);
+ return;
+ }
+
+ foo = (char *) alloca (128);
+ sub5 (buf);
+}
+
+int
+main (int argc, char *argv[])
+{
+ int i;
+
+ verbose = (argc != 1);
+ ret = 0;
+
+ for (i = 123; i < 345; ++i)
+ test (i);
+
+ return ret;
+}