check overflow for VM stack

Author: pikasTech

port/linux/.vscode/launch.json

@@ -11,7 +11,7 @@
             "program": "${workspaceFolder}/build/test/pikascript_test",
             // "program": "${workspaceFolder}/build/boot/demo06-pikamain/pikascript_demo06-pikamain",
             "args": [
-                // "--gtest_filter=pikaMain.list_iter"
+                "--gtest_filter=pikaMain.big_bytes"
             ],
             "stopAtEntry": false,
             "cwd": "${workspaceFolder}",

port/linux/test/pikaMain-test.cpp

@@ -1890,4 +1890,17 @@ TEST(pikaMain, int_from_bytes) {
     /* deinit */
     obj_deinit(self);
     EXPECT_EQ(pikaMemNow(), 0);
-}
+}
+
+// TEST(pikaMain, big_bytes) {
+//     /* init */
+//     pikaMemInfo.heapUsedMax = 0;
+//     /* run */
+//     PikaObj* self = newRootObj("pikaMain", New_PikaMain);
+//     __platform_printf("BEGIN\r\n");
+//     obj_run(self, "b = bytes(8192)\n");
+//     /* assert */
+//     /* deinit */
+//     obj_deinit(self);
+//     EXPECT_EQ(pikaMemNow(), 0);
+// }

src/dataStack.c

@@ -40,6 +40,7 @@ int32_t stack_init(Stack* stack) {
     stack->stack_size_array =
         arg_setContent(NULL, NULL, PIKA_STACK_BUFF_SIZE / 4);
     stack_reset(stack);
+    stack->stack_totle_size = PIKA_STACK_BUFF_SIZE;
     return 0;
 };
 
@@ -60,6 +61,19 @@ int32_t stack_deinit(Stack* stack) {
 }
 
 void stack_pushPyload(Stack* stack, Arg* content, size_t size) {
+    size_t stack_size_after_push =
+        size + (stack->sp - arg_getContent(stack->stack_pyload));
+    if (stack_size_after_push > stack->stack_totle_size) {
+        __platform_printf(
+            "OverflowError: pika VM stack overflow, please use bigger "
+            "PIKA_STACK_BUFF_SIZE\r\n");
+        __platform_printf("Info: stack size request: %d\r\n",
+                          stack_size_after_push);
+        __platform_printf("Info: stack size now: %d\r\n",
+                          stack->stack_totle_size);
+        while (1) {
+        }
+    }
     __platform_memcpy(stack->sp, content, size);
     stack->sp += size;
 }

src/dataStack.h

@@ -35,6 +35,7 @@ typedef struct Stack_t {
     uint8_t* sp;
     int16_t* sp_size;
     int16_t top;
+    size_t stack_totle_size;
 } Stack;
 
 int32_t stack_deinit(Stack* stack);