stage1 完成14测试

stage0/spl_syscall.c

@@ -8,6 +8,7 @@
  */
 
 #include "spl_syscall.h"
+#include "include/core_map.h"
 #include "include/core_vec.h"
 #include "spl_ir.h"
 #include "spl_vm.h"
@@ -121,9 +122,15 @@ static spl_val_t vm_fsize(int nargs, spl_val_t *args) {
 static spl_val_t vm_read_file(int nargs, spl_val_t *args) {
     CHECK_NARGS("vm_read_file", 1);
     const char *path = (const char *)(uintptr_t)args[0];
+    if (path == nullptr) {
+        fprintf(stderr, "filepath can't be null");
+        return 1;
+    }
     FILE *f = fopen(path, "rb");
-    if (!f)
-        return 0;
+    if (!f) {
+        fprintf(stderr, "filepath %s can't be open", path);
+        return 1;
+    }
     fseek(f, 0, SEEK_END);
     long sz = ftell(f);
     fseek(f, 0, SEEK_SET);