Added new tests for the validating the syscall number.

Signed-off-by: Filip Strömbäck <filip.stromback@liu.se>

1 files changed, 24 insertions, 0 deletions

diff --git a/src/tests/filst/sc-bad-nr-2.c b/src/tests/filst/sc-bad-nr-2.c
new file mode 100644
index 0000000..35fc49e
--- /dev/null
+++ b/src/tests/filst/sc-bad-nr-2.c
@@ -0,0 +1,24 @@
+#include <syscall-nr.h>
+#include "tests/lib.h"
+#include "tests/main.h"
+
+// From "lib/user/syscall.c", but modified to push some zeros on the stack
+// first, to get a better output for the tests if the stack error message
+// remains.
+#define syscall0(NUMBER)                                                \
+    ({                                                                  \
+        int retval;                                                     \
+        asm volatile                                                    \
+            ("pushl $0; pushl $0; pushl %[number]; int $0x30; addl $4, %%esp" \
+                : "=a" (retval)                                         \
+                : [number] "i" (NUMBER)                                 \
+                : "memory");                                            \
+        retval;                                                         \
+    })
+
+void test_main(void)
+{
+    // Call a syscall that is quite a bit larger than the maximum syscall number.
+    syscall0(1024 * 1024);
+    fail("Should have failed.");
+}