src/java.base/share/native/libjava/ub.h - master - wstartsev/jdk

src/java.base/share/native/libjava/ub.h

47 строк2 KB

Matthias Baesken

8355979: ATTRIBUTE_NO_UBSAN needs to be extended to handle float divisions by zero on AIX

06 май 2025, 17:15

06 май 2025, 17:15088825e

/*
 * Copyright (c) 2024, 2025, Oracle and/or its affiliates. All rights reserved.
 * Copyright (c) 2024, 2025 SAP SE. 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.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * 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 _UB_H_
#define _UB_H_

/* ATTRIBUTE_NO_UBSAN - Function attribute which informs the compiler to disable UBSan checks in the
 * following function or method.
 */
#ifdef UNDEFINED_BEHAVIOR_SANITIZER
#if defined(__clang__)
#define ATTRIBUTE_NO_UBSAN __attribute__((no_sanitize("undefined","float-divide-by-zero")))
#endif
#if defined(__GNUC__) && !defined(__clang__)
#define ATTRIBUTE_NO_UBSAN __attribute__((no_sanitize("undefined")))
#endif
#endif

#ifndef ATTRIBUTE_NO_UBSAN
#define ATTRIBUTE_NO_UBSAN
#endif

#endif