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protobuf.openSUSE_Backports_SLE-12
0001-Add-generic-GCC-support-for-atomic-operati...
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File 0001-Add-generic-GCC-support-for-atomic-operations.patch of Package protobuf.openSUSE_Backports_SLE-12
From d099ec11fc8c2eb97df2bf2fbb6996066eefca46 Mon Sep 17 00:00:00 2001 From: Stanislav Ochotnicky <sochotnicky@redhat.com> Date: Thu, 2 May 2013 10:43:47 +0200 Subject: [PATCH] Add generic GCC support for atomic operations This is useful for architectures where no specialized code has been written. --- src/google/protobuf/stubs/atomicops.h | 2 +- .../stubs/atomicops_internals_generic_gcc.h | 139 +++++++++++++++++++++ src/google/protobuf/stubs/platform_macros.h | 14 ++- 3 files changed, 153 insertions(+), 2 deletions(-) create mode 100644 src/google/protobuf/stubs/atomicops_internals_generic_gcc.h Index: protobuf-2.5.0/src/google/protobuf/stubs/atomicops.h =================================================================== --- protobuf-2.5.0.orig/src/google/protobuf/stubs/atomicops.h +++ protobuf-2.5.0/src/google/protobuf/stubs/atomicops.h @@ -185,7 +185,7 @@ GOOGLE_PROTOBUF_ATOMICOPS_ERROR #elif defined(__pnacl__) #include <google/protobuf/stubs/atomicops_internals_pnacl.h> #else -GOOGLE_PROTOBUF_ATOMICOPS_ERROR +#include <google/protobuf/stubs/atomicops_internals_generic_gcc.h> #endif // Unknown. Index: protobuf-2.5.0/src/google/protobuf/stubs/atomicops_internals_generic_gcc.h =================================================================== --- /dev/null +++ protobuf-2.5.0/src/google/protobuf/stubs/atomicops_internals_generic_gcc.h @@ -0,0 +1,139 @@ +// Protocol Buffers - Google's data interchange format +// Copyright 2013 Red Hat Inc. All rights reserved. +// http://code.google.com/p/protobuf/ +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Red Hat Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// This file is an internal atomic implementation, use atomicops.h instead. + +#ifndef GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_GENERIC_GCC_H_ +#define GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_GENERIC_GCC_H_ + +namespace google { +namespace protobuf { +namespace internal { + +inline Atomic32 NoBarrier_CompareAndSwap(volatile Atomic32* ptr, + Atomic32 old_value, + Atomic32 new_value) { + __atomic_compare_exchange_n(ptr, &old_value, new_value, true, + __ATOMIC_RELAXED, __ATOMIC_RELAXED); + return old_value; +} + +inline Atomic32 NoBarrier_AtomicExchange(volatile Atomic32* ptr, + Atomic32 new_value) { + return __atomic_exchange_n(ptr, new_value, __ATOMIC_RELAXED); +} + +inline Atomic32 NoBarrier_AtomicIncrement(volatile Atomic32* ptr, + Atomic32 increment) { + return __atomic_add_fetch(ptr, increment, __ATOMIC_RELAXED); +} + +inline Atomic32 Barrier_AtomicIncrement(volatile Atomic32* ptr, + Atomic32 increment) { + return __atomic_add_fetch(ptr, increment, __ATOMIC_SEQ_CST); +} + +inline Atomic32 Acquire_CompareAndSwap(volatile Atomic32* ptr, + Atomic32 old_value, + Atomic32 new_value) { + __atomic_compare_exchange(ptr, &old_value, &new_value, true, + __ATOMIC_ACQUIRE, __ATOMIC_ACQUIRE); + return old_value; +} + +inline Atomic32 Release_CompareAndSwap(volatile Atomic32* ptr, + Atomic32 old_value, + Atomic32 new_value) { + __atomic_compare_exchange_n(ptr, &old_value, new_value, true, + __ATOMIC_RELEASE, __ATOMIC_ACQUIRE); + return old_value; +} + +inline void NoBarrier_Store(volatile Atomic32* ptr, Atomic32 value) { + __atomic_store_n(ptr, value, __ATOMIC_RELAXED); +} + +inline void MemoryBarrier() { + __sync_synchronize(); +} + +inline void Acquire_Store(volatile Atomic32* ptr, Atomic32 value) { + __atomic_store_n(ptr, value, __ATOMIC_ACQUIRE); +} + +inline void Release_Store(volatile Atomic32* ptr, Atomic32 value) { + __atomic_store_n(ptr, value, __ATOMIC_RELEASE); +} + +inline Atomic32 NoBarrier_Load(volatile const Atomic32* ptr) { + return __atomic_load_n(ptr, __ATOMIC_RELAXED); +} + +inline Atomic32 Acquire_Load(volatile const Atomic32* ptr) { + return __atomic_load_n(ptr, __ATOMIC_ACQUIRE); +} + +inline Atomic32 Release_Load(volatile const Atomic32* ptr) { + return __atomic_load_n(ptr, __ATOMIC_RELEASE); +} + +#ifdef __LP64__ + +inline void Release_Store(volatile Atomic64* ptr, Atomic64 value) { + __atomic_store_n(ptr, value, __ATOMIC_RELEASE); +} + +inline Atomic64 Acquire_Load(volatile const Atomic64* ptr) { + return __atomic_load_n(ptr, __ATOMIC_ACQUIRE); +} + +inline Atomic64 Acquire_CompareAndSwap(volatile Atomic64* ptr, + Atomic64 old_value, + Atomic64 new_value) { + __atomic_compare_exchange_n(ptr, &old_value, new_value, true, + __ATOMIC_ACQUIRE, __ATOMIC_ACQUIRE); + return old_value; +} + +inline Atomic64 NoBarrier_CompareAndSwap(volatile Atomic64* ptr, + Atomic64 old_value, + Atomic64 new_value) { + __atomic_compare_exchange_n(ptr, &old_value, new_value, true, + __ATOMIC_RELAXED, __ATOMIC_RELAXED); + return old_value; +} + +#endif // defined(__LP64__) + +} // namespace internal +} // namespace protobuf +} // namespace google + +#endif // GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_GENERIC_GCC_H_ Index: protobuf-2.5.0/src/google/protobuf/stubs/platform_macros.h =================================================================== --- protobuf-2.5.0.orig/src/google/protobuf/stubs/platform_macros.h +++ protobuf-2.5.0/src/google/protobuf/stubs/platform_macros.h @@ -43,6 +43,9 @@ #elif defined(_M_IX86) || defined(__i386__) #define GOOGLE_PROTOBUF_ARCH_IA32 1 #define GOOGLE_PROTOBUF_ARCH_32_BIT 1 +#elif defined(__aarch64__) +#define GOOGLE_PROTOBUF_ARCH_AARCH64 1 +#define GOOGLE_PROTOBUF_ARCH_64_BIT 1 #elif defined(__QNX__) #define GOOGLE_PROTOBUF_ARCH_ARM_QNX 1 #define GOOGLE_PROTOBUF_ARCH_32_BIT 1 @@ -54,9 +57,18 @@ #define GOOGLE_PROTOBUF_ARCH_32_BIT 1 #elif defined(__pnacl__) #define GOOGLE_PROTOBUF_ARCH_32_BIT 1 -#elif defined(__ppc__) +#elif defined(__ppc64__) || defined(__PPC64__) +#define GOOGLE_PROTOBUF_ARCH_PPC64 1 +#define GOOGLE_PROTOBUF_ARCH_64_BIT 1 +#elif defined(__ppc__) || defined(__PPC__) #define GOOGLE_PROTOBUF_ARCH_PPC 1 #define GOOGLE_PROTOBUF_ARCH_32_BIT 1 +#elif defined(__s390x__) +#define GOOGLE_PROTOBUF_ARCH_64_BIT 1 +#define GOOGLE_PROTOBUF_ARCH_S390X 1 +#elif defined(__s390__) +#define GOOGLE_PROTOBUF_ARCH_32_BIT 1 +#define GOOGLE_PROTOBUF_ARCH_S390 1 #else #error Host architecture was not detected as supported by protobuf #endif Index: protobuf-2.5.0/src/Makefile.am =================================================================== --- protobuf-2.5.0.orig/src/Makefile.am +++ protobuf-2.5.0/src/Makefile.am @@ -47,6 +47,7 @@ nobase_include_HEADERS = google/protobuf/stubs/atomicops_internals_pnacl.h \ google/protobuf/stubs/atomicops_internals_x86_gcc.h \ google/protobuf/stubs/atomicops_internals_x86_msvc.h \ + google/protobuf/stubs/atomicops_internals_generic_gcc.h \ google/protobuf/stubs/common.h \ google/protobuf/stubs/platform_macros.h \ google/protobuf/stubs/once.h \ Index: protobuf-2.5.0/src/Makefile.in =================================================================== --- protobuf-2.5.0.orig/src/Makefile.in +++ protobuf-2.5.0/src/Makefile.in @@ -314,6 +314,7 @@ am__nobase_include_HEADERS_DIST = google google/protobuf/stubs/atomicops_internals_pnacl.h \ google/protobuf/stubs/atomicops_internals_x86_gcc.h \ google/protobuf/stubs/atomicops_internals_x86_msvc.h \ + google/protobuf/stubs/atomicops_internals_generic_gcc.h \ google/protobuf/stubs/common.h \ google/protobuf/stubs/platform_macros.h \ google/protobuf/stubs/once.h \ @@ -523,6 +524,7 @@ nobase_include_HEADERS = \ google/protobuf/stubs/atomicops_internals_pnacl.h \ google/protobuf/stubs/atomicops_internals_x86_gcc.h \ google/protobuf/stubs/atomicops_internals_x86_msvc.h \ + google/protobuf/stubs/atomicops_internals_generic_gcc.h \ google/protobuf/stubs/common.h \ google/protobuf/stubs/platform_macros.h \ google/protobuf/stubs/once.h \
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