1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef NVRAM_MESSAGES_COMPILER_H_ 18 #define NVRAM_MESSAGES_COMPILER_H_ 19 20 extern "C" { 21 #include <stdlib.h> 22 } 23 24 #if defined(__GNUC__) || defined(__clang__) 25 #define NVRAM_WARN_UNUSED_RESULT __attribute__((warn_unused_result)) 26 #else 27 #define NVRAM_WARN_UNUSED_RESULT 28 #endif 29 30 // Check a condition, abort if it doesn't hold. 31 #define NVRAM_CHECK(cond) if (!(cond)) abort() 32 33 // The noinline attribute is understood both by clang and GCC. 34 #define NVRAM_NOINLINE __attribute__((noinline)) 35 36 // The visibility attribute works both with clang and GCC. 37 #define NVRAM_EXPORT __attribute__((visibility("default"))) 38 39 #endif // NVRAM_MESSAGES_COMPILER_H_ 40