初步实现异常捕获机制

soft/mystdlib.h

@@ -0,0 +1,28 @@
+
+
+#ifndef mystdlib_h__
+#define mystdlib_h__
+
+#include "stdint.h"
+#include "stdlib.h"
+
+
+#define MAP_SIZE_STEP 50
+
+
+
+typedef struct _map_def{
+  size_t map_size;
+  size_t mam_used;
+  size_t mem_map[0];
+}map_def;
+
+
+void __mem_clear(map_def **m);
+void __mem_mov(map_def **d,map_def **s);
+
+void *mem_calloc(size_t memb_size,size_t memb_num);
+void *mem_malloc(size_t size);
+void mem_free(void *p);
+
+#endif