| /* |
| * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #ifndef SHARE_VM_UTILITIES_COMPILERWARNINGS_HPP |
| #define SHARE_VM_UTILITIES_COMPILERWARNINGS_HPP |
| |
| // Macros related to control of compiler warnings. |
| |
| // We presently only have interesting macros here for gcc and variants, |
| // so it's not worth going through the COMPILER_HEADER() dispatch, with |
| // all the non-gcc files being empty. |
| #ifdef TARGET_COMPILER_gcc |
| |
| // Diagnostic pragmas like the ones defined below in PRAGMA_FORMAT_NONLITERAL_IGNORED |
| // were only introduced in GCC 4.2. Because we have no other possibility to ignore |
| // these warnings for older versions of GCC, we simply don't decorate our printf-style |
| // functions with __attribute__(format) in that case. |
| #if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 2)) || (__GNUC__ > 4) |
| #ifndef ATTRIBUTE_PRINTF |
| #define ATTRIBUTE_PRINTF(fmt,vargs) __attribute__((format(printf, fmt, vargs))) |
| #endif |
| #ifndef ATTRIBUTE_SCANF |
| #define ATTRIBUTE_SCANF(fmt,vargs) __attribute__((format(scanf, fmt, vargs))) |
| #endif |
| #endif // gcc version check |
| |
| #define PRAGMA_FORMAT_NONLITERAL_IGNORED _Pragma("GCC diagnostic ignored \"-Wformat-nonliteral\"") \ |
| _Pragma("GCC diagnostic ignored \"-Wformat-security\"") |
| #define PRAGMA_FORMAT_IGNORED _Pragma("GCC diagnostic ignored \"-Wformat\"") |
| |
| #if defined(__clang_major__) && \ |
| (__clang_major__ >= 4 || \ |
| (__clang_major__ >= 3 && __clang_minor__ >= 1)) || \ |
| ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 6)) || (__GNUC__ > 4) |
| // Tested to work with clang version 3.1 and better. |
| #define PRAGMA_DIAG_PUSH _Pragma("GCC diagnostic push") |
| #define PRAGMA_DIAG_POP _Pragma("GCC diagnostic pop") |
| |
| #endif // clang/gcc version check |
| |
| #endif // TARGET_COMPILER_gcc |
| |
| // Defaults when not defined for the TARGET_COMPILER_xxx. |
| |
| #ifndef ATTRIBUTE_PRINTF |
| #define ATTRIBUTE_PRINTF(fmt, vargs) |
| #endif |
| #ifndef ATTRIBUTE_SCANF |
| #define ATTRIBUTE_SCANF(fmt, vargs) |
| #endif |
| |
| #ifndef PRAGMA_FORMAT_NONLITERAL_IGNORED |
| #define PRAGMA_FORMAT_NONLITERAL_IGNORED |
| #endif |
| #ifndef PRAGMA_FORMAT_IGNORED |
| #define PRAGMA_FORMAT_IGNORED |
| #endif |
| |
| #ifndef PRAGMA_DIAG_PUSH |
| #define PRAGMA_DIAG_PUSH |
| #endif |
| #ifndef PRAGMA_DIAG_POP |
| #define PRAGMA_DIAG_POP |
| #endif |
| |
| #endif // SHARE_VM_UTILITIES_COMPILERWARNINGS_HPP |