Allow const expr in builtin_frame_address/builtin_return_address

herman ten brugge committed 3 years ago

Commit 79d439e1 parent 560526a2 files · +3 −10Browse files

Unified · Split

2 files

     case TOK_builtin_return_address:
         {
             int tok1 = tok;
-            int level;
+            int64_t level;
             next();
             skip('(');
-            if (tok != TOK_CINT) {
+            level = expr_const64();
+            if (level < 0) {
                 tcc_error("%s only takes positive integers",
                           tok1 == TOK_builtin_return_address ?
                           "__builtin_return_address" :
                           "__builtin_frame_address");
             }
-            level = (uint32_t)tokc.i;
-            next();
             skip(')');
             type.t = VT_VOID;
             mk_pointer(&type);

    l1: return 1;
    l2: return 2;
   }
-#endif
-#if TEST == 4
-  {
-    /* Only integer allowed */
-     __builtin_return_address(0 + 1) != NULL;
-  }
 #endif
   return 0;
 }

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