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-rw-r--r--gcc/testsuite/gcc.c-torture/execute/builtins/pr23484-chk.c67
1 files changed, 67 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/builtins/pr23484-chk.c b/gcc/testsuite/gcc.c-torture/execute/builtins/pr23484-chk.c
new file mode 100644
index 000000000..446fb6c2f
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/builtins/pr23484-chk.c
@@ -0,0 +1,67 @@
+/* PR middle-end/23484 */
+
+extern void abort (void);
+typedef __SIZE_TYPE__ size_t;
+extern size_t strlen (const char *);
+extern void *memcpy (void *, const void *, size_t);
+extern void *mempcpy (void *, const void *, size_t);
+extern void *memmove (void *, const void *, size_t);
+extern int snprintf (char *, size_t, const char *, ...);
+extern int memcmp (const void *, const void *, size_t);
+
+#include "chk.h"
+
+static char data[8] = "ABCDEFG";
+
+int l1;
+
+void
+__attribute__((noinline))
+test1 (void)
+{
+ char buf[8];
+
+ /* All the checking calls in this routine have a maximum length, so
+ object size checking should be done at compile time if optimizing. */
+ chk_calls = 0;
+
+ memset (buf, 'I', sizeof (buf));
+ if (memcpy (buf, data, l1 ? sizeof (buf) : 4) != buf
+ || memcmp (buf, "ABCDIIII", 8))
+ abort ();
+
+ memset (buf, 'J', sizeof (buf));
+ if (mempcpy (buf, data, l1 ? sizeof (buf) : 4) != buf + 4
+ || memcmp (buf, "ABCDJJJJ", 8))
+ abort ();
+
+ memset (buf, 'K', sizeof (buf));
+ if (memmove (buf, data, l1 ? sizeof (buf) : 4) != buf
+ || memcmp (buf, "ABCDKKKK", 8))
+ abort ();
+
+ memset (buf, 'L', sizeof (buf));
+#if(__SIZEOF_INT__ >= 4)
+ if (snprintf (buf, l1 ? sizeof (buf) : 4, "%d", l1 + 65536) != 5
+ || memcmp (buf, "655\0LLLL", 8))
+ abort ();
+#else
+ if (snprintf (buf, l1 ? sizeof (buf) : 4, "%d", l1 + 32700) != 5
+ || memcmp (buf, "327\0LLLL", 8))
+ abort ();
+#endif
+
+ if (chk_calls)
+ abort ();
+}
+
+void
+main_test (void)
+{
+#ifndef __OPTIMIZE__
+ /* Object size checking is only intended for -O[s123]. */
+ return;
+#endif
+ __asm ("" : "=r" (l1) : "0" (l1));
+ test1 ();
+}