Diff: source/daplink/compiler.h

Revision:

0:01f31e923fe2

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/source/daplink/compiler.h	Tue Apr 07 12:55:42 2020 +0200
@@ -0,0 +1,46 @@
+/**
+ * @file    compiler.h
+ * @brief   Special asserts and macros
+ *
+ * DAPLink Interface Firmware
+ * Copyright (c) 2009-2016, ARM Limited, All Rights Reserved
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef COMPILER_H
+#define COMPILER_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define COMPILER_CONCAT_(a, b) a##b
+#define COMPILER_CONCAT(a, b) COMPILER_CONCAT_(a, b)
+
+// Divide by zero if the the expression is false.  This
+// causes an error at compile time.
+//
+// The special value '__COUNTER__' is used to create a unique value to
+// append to 'compiler_assert_' to create a unique token.  This prevents
+// conflicts resulting from the same enum being declared multiple times.
+#define COMPILER_ASSERT(e) enum { COMPILER_CONCAT(compiler_assert_, __COUNTER__) = 1/((e) ? 1 : 0) }
+
+#define __at(_addr) __attribute__ ((at(_addr)))
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif