Move UC_ASSERT/NOTREACHED to backtrace.h

include/ucore/backtrace.h

@@ -1,12 +1,14 @@
 #ifndef UC_BACKTRACE_H_
 #define UC_BACKTRACE_H_
 #include <stddef.h>
+#include <stdlib.h>
+#include "utils.h"
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-#define UC_BACTRACE_STDERR uc_backtrace_fd(2)
+#define UC_BACKTRACE_STDERR uc_backtrace_fd(2)
 /**
  * Print a stacktrace to the given file descriptor.
  *
@@ -24,6 +26,30 @@ void uc_backtrace_fd(int fd);
  */
 void uc_backtrace_buf(char *buf, size_t len);
 
+/** 
+ * assert() that is not affected by NDEBUG define
+ */
+#define UC_ASSERT(expr)\
+ do {\
+    if (!(expr) ) {\
+        fprintf(stderr,\
+        "UC_ASSERT failed '%s' %s\n", UC_STRINGIFY(expr), UC_SRC_LOCATION);\
+        UC_BACKTRACE_STDERR;\
+        abort();\
+    }\
+} while (0)
+
+/** 
+ * Macro for asserting code that should not be reached, 
+ * terminates the program if executed
+ */
+#define UC_NOT_REACED()\
+do {\
+    fprintf(stderr, "UC_NOT_REACHED at %s\n", UC_SRC_LOCATION);\
+    UC_BACKTRACE_STDERR;\
+    abort();\
+while (0)
+
 #ifdef __cplusplus
 }
 #endif