X-Git-Url: https://git.lttng.org/?p=urcu.git;a=blobdiff_plain;f=include%2Furcu%2Fuatomic%2Fs390.h;h=42f23e757807453586831af7e8210c04e1453d44;hp=d7d545ad8f869ede493edef727233d7e9edc42ad;hb=HEAD;hpb=713234991cce999c376345400f9367f1e2317076 diff --git a/include/urcu/uatomic/s390.h b/include/urcu/uatomic/s390.h index d7d545a..2562696 100644 --- a/include/urcu/uatomic/s390.h +++ b/include/urcu/uatomic/s390.h @@ -1,3 +1,8 @@ +// SPDX-FileCopyrightText: 2009 Novell, Inc. +// SPDX-FileCopyrightText: 2009 Mathieu Desnoyers +// +// SPDX-License-Identifier: MIT + #ifndef _URCU_UATOMIC_ARCH_S390_H #define _URCU_UATOMIC_ARCH_S390_H @@ -6,27 +11,7 @@ * taken from the Principles of Operation Appendix A "Conditional Swapping * Instructions (CS, CDS)". * - * Copyright (c) 2009 Novell, Inc. * Author: Jan Blunck - * Copyright (c) 2009 Mathieu Desnoyers - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. */ #include @@ -66,10 +51,14 @@ extern "C" { * containing an array of char of the specified size. This allows passing the * @addr arguments of the following inline functions as "m" and "+m" operands * to the assembly. The @size parameter should be a constant to support - * compilers such as clang which do not support VLA. + * compilers such as clang which do not support VLA. Create typedefs because + * C++ does not allow types be defined in casts. */ -#define __hp(size, x) ((struct { char v[size]; } *)(x)) +typedef struct { char v[4]; } __hp_4; +typedef struct { char v[8]; } __hp_8; + +#define __hp(size, x) ((__hp_##size *)(x)) /* xchg */