fix bug in vm call_stack_size calculation

jiangzidong · jiangzidong · commit 4e227d106b7e · 2016-09-13T10:30:38.000+08:00
call_stack_size should be register_count + maximum stack depth

JerryScript-DCO-1.0-Signed-off-by: Zidong Jiang zidong.jiang@intel.com
diff --git a/jerry-core/vm/vm.c b/jerry-core/vm/vm.c
@@ -2677,7 +2677,7 @@ vm_run (const ecma_compiled_code_t *bytecode_header_p, /**< byte-code data heade
     literal_p = (jmem_cpointer_t *) (byte_p + sizeof (cbc_uint16_arguments_t));
     frame_ctx.literal_start_p = literal_p;
     literal_p += args_p->literal_end;
-    call_stack_size = (uint32_t) (args_p->register_end + args_p->stack_limit);
+    call_stack_size = (uint32_t) args_p->stack_limit;
   }
   else
   {
@@ -2687,7 +2687,7 @@ vm_run (const ecma_compiled_code_t *bytecode_header_p, /**< byte-code data heade
     literal_p = (jmem_cpointer_t *) (byte_p + sizeof (cbc_uint8_arguments_t));
     frame_ctx.literal_start_p = literal_p;
     literal_p += args_p->literal_end;
-    call_stack_size = (uint32_t) (args_p->register_end + args_p->stack_limit);
+    call_stack_size = (uint32_t) args_p->stack_limit;
   }
 
   frame_ctx.bytecode_header_p = bytecode_header_p;

Original file line number	Diff line number	Diff line change
`@@ -2677,7 +2677,7 @@ vm_run (const ecma_compiled_code_t bytecode_header_p, /*< byte-code data heade`
`2677`	`2677`	`literal_p = (jmem_cpointer_t *) (byte_p + sizeof (cbc_uint16_arguments_t));`
`2678`	`2678`	`frame_ctx.literal_start_p = literal_p;`
`2679`	`2679`	`literal_p += args_p->literal_end;`
`2680`		`- call_stack_size = (uint32_t) (args_p->register_end + args_p->stack_limit);`
	`2680`	`+ call_stack_size = (uint32_t) args_p->stack_limit;`
`2681`	`2681`	`}`
`2682`	`2682`	`else`
`2683`	`2683`	`{`
`@@ -2687,7 +2687,7 @@ vm_run (const ecma_compiled_code_t bytecode_header_p, /*< byte-code data heade`
`2687`	`2687`	`literal_p = (jmem_cpointer_t *) (byte_p + sizeof (cbc_uint8_arguments_t));`
`2688`	`2688`	`frame_ctx.literal_start_p = literal_p;`
`2689`	`2689`	`literal_p += args_p->literal_end;`
`2690`		`- call_stack_size = (uint32_t) (args_p->register_end + args_p->stack_limit);`
	`2690`	`+ call_stack_size = (uint32_t) args_p->stack_limit;`
`2691`	`2691`	`}`
`2692`	`2692`
`2693`	`2693`	`frame_ctx.bytecode_header_p = bytecode_header_p;`