1 files changed, 30 insertions, 0 deletions
diff --git a/tests/syscalls.c b/tests/syscalls.c
new file mode 100644
index 0000000..285e539
--- /dev/null
+++ b/tests/syscalls.c
@@ -0,0 +1,30 @@
+int strlen(char *s) {
+    int n = 0;
+    while (s[n] != 0) { n = n + 1; }
+    return n;
+}
+
+int puts_fd(int fd, char *s) {
+    return syscall(1, fd, s, strlen(s));
+}
+
+int main() {
+    puts_fd(1, "Hello from JIT syscall!\n");
+
+    int pid = syscall(39);
+    int pid_ok = pid > 0;
+
+    char msg[32];
+    msg[0] = 'P'; msg[1] = 'I'; msg[2] = 'D'; msg[3] = ' ';
+    msg[4] = 'o'; msg[5] = 'k'; msg[6] = ':'; msg[7] = ' ';
+    msg[8] = '0' + pid_ok;
+    msg[9] = '\n';
+    syscall(1, 1, msg, 10);
+
+    int n1 = syscall(1, 1, "write test 1\n", 13);
+    int n2 = syscall(1, 1, "write test 2\n", 13);
+
+    int result = pid_ok + (n1 == 13) + (n2 == 13);
+
+    return result;
+}