From f283ec69a157a6bdea263b359aadff934e4d1863 Mon Sep 17 00:00:00 2001 From: chuanweizhang2013 Date: Fri, 20 Jun 2014 13:43:09 +0800 Subject: [PATCH 1/2] add head --- .../atomicops_internals_atomicword_compat.h | 122 ++++++++++ .../stubs/atomicops_internals_macosx.h | 225 ++++++++++++++++++ .../runtime-src/Classes/runtime/ResData.h | 1 - .../runtime-src/Classes/runtime/Runtime.cpp | 36 +-- .../runtime-src/proj.win32/HelloLua.vcxproj | 2 +- 5 files changed, 370 insertions(+), 16 deletions(-) create mode 100644 templates/lua-template-runtime/frameworks/runtime-src/Classes/protobuf-lite/google/protobuf/stubs/atomicops_internals_atomicword_compat.h create mode 100644 templates/lua-template-runtime/frameworks/runtime-src/Classes/protobuf-lite/google/protobuf/stubs/atomicops_internals_macosx.h diff --git a/templates/lua-template-runtime/frameworks/runtime-src/Classes/protobuf-lite/google/protobuf/stubs/atomicops_internals_atomicword_compat.h b/templates/lua-template-runtime/frameworks/runtime-src/Classes/protobuf-lite/google/protobuf/stubs/atomicops_internals_atomicword_compat.h new file mode 100644 index 0000000000..e9d86797b5 --- /dev/null +++ b/templates/lua-template-runtime/frameworks/runtime-src/Classes/protobuf-lite/google/protobuf/stubs/atomicops_internals_atomicword_compat.h @@ -0,0 +1,122 @@ +// Protocol Buffers - Google's data interchange format +// Copyright 2012 Google 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 Google 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_ATOMICWORD_COMPAT_H_ +#define GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_ATOMICWORD_COMPAT_H_ + +// AtomicWord is a synonym for intptr_t, and Atomic32 is a synonym for int32, +// which in turn means int. On some LP32 platforms, intptr_t is an int, but +// on others, it's a long. When AtomicWord and Atomic32 are based on different +// fundamental types, their pointers are incompatible. +// +// This file defines function overloads to allow both AtomicWord and Atomic32 +// data to be used with this interface. +// +// On LP64 platforms, AtomicWord and Atomic64 are both always long, +// so this problem doesn't occur. + +#if !defined(GOOGLE_PROTOBUF_ARCH_64_BIT) + +namespace google { +namespace protobuf { +namespace internal { + +inline AtomicWord NoBarrier_CompareAndSwap(volatile AtomicWord* ptr, + AtomicWord old_value, + AtomicWord new_value) { + return NoBarrier_CompareAndSwap( + reinterpret_cast(ptr), old_value, new_value); +} + +inline AtomicWord NoBarrier_AtomicExchange(volatile AtomicWord* ptr, + AtomicWord new_value) { + return NoBarrier_AtomicExchange( + reinterpret_cast(ptr), new_value); +} + +inline AtomicWord NoBarrier_AtomicIncrement(volatile AtomicWord* ptr, + AtomicWord increment) { + return NoBarrier_AtomicIncrement( + reinterpret_cast(ptr), increment); +} + +inline AtomicWord Barrier_AtomicIncrement(volatile AtomicWord* ptr, + AtomicWord increment) { + return Barrier_AtomicIncrement( + reinterpret_cast(ptr), increment); +} + +inline AtomicWord Acquire_CompareAndSwap(volatile AtomicWord* ptr, + AtomicWord old_value, + AtomicWord new_value) { + return Acquire_CompareAndSwap( + reinterpret_cast(ptr), old_value, new_value); +} + +inline AtomicWord Release_CompareAndSwap(volatile AtomicWord* ptr, + AtomicWord old_value, + AtomicWord new_value) { + return Release_CompareAndSwap( + reinterpret_cast(ptr), old_value, new_value); +} + +inline void NoBarrier_Store(volatile AtomicWord *ptr, AtomicWord value) { + NoBarrier_Store(reinterpret_cast(ptr), value); +} + +inline void Acquire_Store(volatile AtomicWord* ptr, AtomicWord value) { + return Acquire_Store(reinterpret_cast(ptr), value); +} + +inline void Release_Store(volatile AtomicWord* ptr, AtomicWord value) { + return Release_Store(reinterpret_cast(ptr), value); +} + +inline AtomicWord NoBarrier_Load(volatile const AtomicWord *ptr) { + return NoBarrier_Load(reinterpret_cast(ptr)); +} + +inline AtomicWord Acquire_Load(volatile const AtomicWord* ptr) { + return Acquire_Load(reinterpret_cast(ptr)); +} + +inline AtomicWord Release_Load(volatile const AtomicWord* ptr) { + return Release_Load(reinterpret_cast(ptr)); +} + +} // namespace internal +} // namespace protobuf +} // namespace google + +#endif // !defined(GOOGLE_PROTOBUF_ARCH_64_BIT) + +#endif // GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_ATOMICWORD_COMPAT_H_ diff --git a/templates/lua-template-runtime/frameworks/runtime-src/Classes/protobuf-lite/google/protobuf/stubs/atomicops_internals_macosx.h b/templates/lua-template-runtime/frameworks/runtime-src/Classes/protobuf-lite/google/protobuf/stubs/atomicops_internals_macosx.h new file mode 100644 index 0000000000..f9b7581ad5 --- /dev/null +++ b/templates/lua-template-runtime/frameworks/runtime-src/Classes/protobuf-lite/google/protobuf/stubs/atomicops_internals_macosx.h @@ -0,0 +1,225 @@ +// Protocol Buffers - Google's data interchange format +// Copyright 2012 Google 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 Google 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_MACOSX_H_ +#define GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_MACOSX_H_ + +#include + +namespace google { +namespace protobuf { +namespace internal { + +inline Atomic32 NoBarrier_CompareAndSwap(volatile Atomic32* ptr, + Atomic32 old_value, + Atomic32 new_value) { + Atomic32 prev_value; + do { + if (OSAtomicCompareAndSwap32(old_value, new_value, + const_cast(ptr))) { + return old_value; + } + prev_value = *ptr; + } while (prev_value == old_value); + return prev_value; +} + +inline Atomic32 NoBarrier_AtomicExchange(volatile Atomic32* ptr, + Atomic32 new_value) { + Atomic32 old_value; + do { + old_value = *ptr; + } while (!OSAtomicCompareAndSwap32(old_value, new_value, + const_cast(ptr))); + return old_value; +} + +inline Atomic32 NoBarrier_AtomicIncrement(volatile Atomic32* ptr, + Atomic32 increment) { + return OSAtomicAdd32(increment, const_cast(ptr)); +} + +inline Atomic32 Barrier_AtomicIncrement(volatile Atomic32* ptr, + Atomic32 increment) { + return OSAtomicAdd32Barrier(increment, const_cast(ptr)); +} + +inline void MemoryBarrier() { + OSMemoryBarrier(); +} + +inline Atomic32 Acquire_CompareAndSwap(volatile Atomic32* ptr, + Atomic32 old_value, + Atomic32 new_value) { + Atomic32 prev_value; + do { + if (OSAtomicCompareAndSwap32Barrier(old_value, new_value, + const_cast(ptr))) { + return old_value; + } + prev_value = *ptr; + } while (prev_value == old_value); + return prev_value; +} + +inline Atomic32 Release_CompareAndSwap(volatile Atomic32* ptr, + Atomic32 old_value, + Atomic32 new_value) { + return Acquire_CompareAndSwap(ptr, old_value, new_value); +} + +inline void NoBarrier_Store(volatile Atomic32* ptr, Atomic32 value) { + *ptr = value; +} + +inline void Acquire_Store(volatile Atomic32* ptr, Atomic32 value) { + *ptr = value; + MemoryBarrier(); +} + +inline void Release_Store(volatile Atomic32* ptr, Atomic32 value) { + MemoryBarrier(); + *ptr = value; +} + +inline Atomic32 NoBarrier_Load(volatile const Atomic32* ptr) { + return *ptr; +} + +inline Atomic32 Acquire_Load(volatile const Atomic32* ptr) { + Atomic32 value = *ptr; + MemoryBarrier(); + return value; +} + +inline Atomic32 Release_Load(volatile const Atomic32* ptr) { + MemoryBarrier(); + return *ptr; +} + +#ifdef __LP64__ + +// 64-bit implementation on 64-bit platform + +inline Atomic64 NoBarrier_CompareAndSwap(volatile Atomic64* ptr, + Atomic64 old_value, + Atomic64 new_value) { + Atomic64 prev_value; + do { + if (OSAtomicCompareAndSwap64(old_value, new_value, + reinterpret_cast(ptr))) { + return old_value; + } + prev_value = *ptr; + } while (prev_value == old_value); + return prev_value; +} + +inline Atomic64 NoBarrier_AtomicExchange(volatile Atomic64* ptr, + Atomic64 new_value) { + Atomic64 old_value; + do { + old_value = *ptr; + } while (!OSAtomicCompareAndSwap64(old_value, new_value, + reinterpret_cast(ptr))); + return old_value; +} + +inline Atomic64 NoBarrier_AtomicIncrement(volatile Atomic64* ptr, + Atomic64 increment) { + return OSAtomicAdd64(increment, reinterpret_cast(ptr)); +} + +inline Atomic64 Barrier_AtomicIncrement(volatile Atomic64* ptr, + Atomic64 increment) { + return OSAtomicAdd64Barrier(increment, + reinterpret_cast(ptr)); +} + +inline Atomic64 Acquire_CompareAndSwap(volatile Atomic64* ptr, + Atomic64 old_value, + Atomic64 new_value) { + Atomic64 prev_value; + do { + if (OSAtomicCompareAndSwap64Barrier( + old_value, new_value, reinterpret_cast(ptr))) { + return old_value; + } + prev_value = *ptr; + } while (prev_value == old_value); + return prev_value; +} + +inline Atomic64 Release_CompareAndSwap(volatile Atomic64* ptr, + Atomic64 old_value, + Atomic64 new_value) { + // The lib kern interface does not distinguish between + // Acquire and Release memory barriers; they are equivalent. + return Acquire_CompareAndSwap(ptr, old_value, new_value); +} + +inline void NoBarrier_Store(volatile Atomic64* ptr, Atomic64 value) { + *ptr = value; +} + +inline void Acquire_Store(volatile Atomic64* ptr, Atomic64 value) { + *ptr = value; + MemoryBarrier(); +} + +inline void Release_Store(volatile Atomic64* ptr, Atomic64 value) { + MemoryBarrier(); + *ptr = value; +} + +inline Atomic64 NoBarrier_Load(volatile const Atomic64* ptr) { + return *ptr; +} + +inline Atomic64 Acquire_Load(volatile const Atomic64* ptr) { + Atomic64 value = *ptr; + MemoryBarrier(); + return value; +} + +inline Atomic64 Release_Load(volatile const Atomic64* ptr) { + MemoryBarrier(); + return *ptr; +} + +#endif // defined(__LP64__) + +} // namespace internal +} // namespace protobuf +} // namespace google + +#endif // GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_MACOSX_H_ diff --git a/templates/lua-template-runtime/frameworks/runtime-src/Classes/runtime/ResData.h b/templates/lua-template-runtime/frameworks/runtime-src/Classes/runtime/ResData.h index deb4d73eae..884f717f46 100644 --- a/templates/lua-template-runtime/frameworks/runtime-src/Classes/runtime/ResData.h +++ b/templates/lua-template-runtime/frameworks/runtime-src/Classes/runtime/ResData.h @@ -4,7 +4,6 @@ extern const unsigned char __shinePngData[11776]; extern const unsigned char __portraitPngData[122214]; extern const unsigned char __playEnablePngData[20254]; -extern const unsigned char __playDisablePngData[24174]; extern const unsigned char __landscapePngData[115832]; #endif // _RESDATA__H_ \ No newline at end of file diff --git a/templates/lua-template-runtime/frameworks/runtime-src/Classes/runtime/Runtime.cpp b/templates/lua-template-runtime/frameworks/runtime-src/Classes/runtime/Runtime.cpp index 9be127bcca..2714baf24a 100644 --- a/templates/lua-template-runtime/frameworks/runtime-src/Classes/runtime/Runtime.cpp +++ b/templates/lua-template-runtime/frameworks/runtime-src/Classes/runtime/Runtime.cpp @@ -54,10 +54,10 @@ extern string getIPAddress(); //1M size #define MAXPROTOLENGTH 1048576 #if (CC_TARGET_PLATFORM == CC_PLATFORM_WIN32) -#define sleep(t) Sleep(t) -#elif(CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID) +#define usleep(t) Sleep(t) +#else #include -#define sleep(t) usleep(t) +#define usleep(t) usleep(t) #endif const char* getRuntimeVersion() @@ -364,7 +364,7 @@ bool CreateDir(const char *sPathName) if(access(DirName, NULL)!=0 ) { #ifdef _WIN32 - if(mkdir(DirName/*, 0755*/)==-1) + if(_mkdir(DirName/*, 0755*/)==-1) #else if(mkdir(DirName, 0755)==-1) #endif @@ -386,7 +386,7 @@ void recvBuf(int fd,char *pbuf,int bufsize) while (startFlagLen != 0){ int recvlen = recv(fd, pbuf+bufsize-startFlagLen,startFlagLen ,0); if (recvlen<=0) { - sleep(1); + usleep(1); continue; } startFlagLen -= recvlen; @@ -458,7 +458,7 @@ void FileServer::loopReceiveFile() int result= recv(fd, _protoBuf, recvLen,0); //cocos2d::log("recv fullfilename = %s,file size:%d",recvDataBuf.fileProto.file_name().c_str(),result); if (result<=0) { - sleep(1); + usleep(1); continue; } memcpy(contentbuf+contentSize-recvTotalLen,_protoBuf,result); @@ -497,7 +497,7 @@ void FileServer::loopWriteFile() int recvSize = _recvBufList.size(); _recvBufListMutex.unlock(); if(0 == recvSize){ - sleep(500); + usleep(500); continue; } @@ -580,7 +580,7 @@ void FileServer::loopResponse() int responseSize = _responseBufList.size(); _responseBufListMutex.unlock(); if(0 == responseSize){ - sleep(500); + usleep(500); continue; } @@ -662,12 +662,12 @@ public: shineSprite->setOpacity(0); shineSprite->setPosition(Vec2(lanscaptX,lanscaptY)); Vector arrayOfActions; - arrayOfActions.pushBack(DelayTime::create(0.4)); + arrayOfActions.pushBack(DelayTime::create(0.4f)); arrayOfActions.pushBack(FadeTo::create(0.8f,200)); arrayOfActions.pushBack(FadeTo::create(0.8f,255)); arrayOfActions.pushBack(FadeTo::create(0.8f,200)); arrayOfActions.pushBack(FadeTo::create(0.8f,0)); - arrayOfActions.pushBack(DelayTime::create(0.4)); + arrayOfActions.pushBack(DelayTime::create(0.4f)); Sequence * arrayAction = Sequence::create(arrayOfActions); shineSprite->runAction(RepeatForever::create(Sequence::create(arrayOfActions))); addChild(shineSprite,9998); @@ -675,7 +675,10 @@ public: string strip = getIPAddress(); char szIPAddress[512]={0}; sprintf(szIPAddress, "IP: %s",strip.c_str()); - auto IPlabel = Label::create(szIPAddress, fontName.c_str(), 72); + auto IPlabel = Label::create(); + IPlabel->setString(szIPAddress); + IPlabel->setSystemFontName(fontName.c_str()); + IPlabel->setSystemFontSize(72); IPlabel->setAnchorPoint(Vec2(0,0)); int spaceSizex = 72; int spaceSizey = 200; @@ -689,15 +692,20 @@ public: char szVersion[1024]={0}; sprintf(szVersion,"runtimeVersion:%s \ncocos2dVersion:%s",getRuntimeVersion(),cocos2dVersion()); - Label* verLable = Label::create(szVersion, fontName.c_str(), 24); + Label* verLable = Label::create(); + verLable->setString(szVersion); + verLable->setSystemFontName(fontName.c_str()); + verLable->setSystemFontSize(24); verLable->setAnchorPoint(Vec2(0,0)); int width = verLable->getBoundingBox().size.width; int height = verLable->getBoundingBox().size.height; verLable->setPosition( Point(VisibleRect::right().x-width, VisibleRect::rightBottom().y) ); verLable->setAlignment(TextHAlignment::LEFT); addChild(verLable, 9002); - - _labelUploadFile = Label::create(_transferTip.c_str(), fontName.c_str(), 36); + _labelUploadFile = Label::create(); + _labelUploadFile->setString(_transferTip); + _labelUploadFile->setSystemFontName(fontName.c_str()); + _labelUploadFile->setSystemFontSize(36); _labelUploadFile->setAnchorPoint(Vec2(0,0)); _labelUploadFile->setPosition( Point(VisibleRect::leftTop().x+spaceSizex, IPlabel->getPositionY()-spaceSizex) ); _labelUploadFile->setAlignment(TextHAlignment::LEFT); diff --git a/templates/lua-template-runtime/frameworks/runtime-src/proj.win32/HelloLua.vcxproj b/templates/lua-template-runtime/frameworks/runtime-src/proj.win32/HelloLua.vcxproj index 9c9a36c776..c6d5ccb9a4 100644 --- a/templates/lua-template-runtime/frameworks/runtime-src/proj.win32/HelloLua.vcxproj +++ b/templates/lua-template-runtime/frameworks/runtime-src/proj.win32/HelloLua.vcxproj @@ -133,7 +133,7 @@ xcopy /Y /Q "$(EngineRoot)external\websockets\prebuilt\win32\*.*" "$(OutDir)"WIN32;_WINDOWS;STRICT;_CRT_SECURE_NO_WARNINGS;_SCL_SECURE_NO_WARNINGSNDEBUG;GLFW_EXPOSE_NATIVE_WIN32;GLFW_EXPOSE_NATIVE_WGL;%(PreprocessorDefinitions) 4267;4251;4244;%(DisableSpecificWarnings) true - $(ProjectDir)../../../runtime/win32/$(PlatformToolsetVersion).pdb + $(IntDir)vc$(PlatformToolsetVersion).pdb Windows From e1333da7e4ae113689a2215cc635c060736ab099 Mon Sep 17 00:00:00 2001 From: chuanweizhang2013 Date: Mon, 23 Jun 2014 15:07:49 +0800 Subject: [PATCH 2/2] add stubs head --- .../stubs/atomicops_internals_arm_gcc.h | 151 ++++++++++++++++++ 1 file changed, 151 insertions(+) create mode 100644 templates/lua-template-runtime/frameworks/runtime-src/Classes/protobuf-lite/google/protobuf/stubs/atomicops_internals_arm_gcc.h diff --git a/templates/lua-template-runtime/frameworks/runtime-src/Classes/protobuf-lite/google/protobuf/stubs/atomicops_internals_arm_gcc.h b/templates/lua-template-runtime/frameworks/runtime-src/Classes/protobuf-lite/google/protobuf/stubs/atomicops_internals_arm_gcc.h new file mode 100644 index 0000000000..1f4dedc0f3 --- /dev/null +++ b/templates/lua-template-runtime/frameworks/runtime-src/Classes/protobuf-lite/google/protobuf/stubs/atomicops_internals_arm_gcc.h @@ -0,0 +1,151 @@ +// Protocol Buffers - Google's data interchange format +// Copyright 2012 Google 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 Google 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. +// +// LinuxKernelCmpxchg and Barrier_AtomicIncrement are from Google Gears. + +#ifndef GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_ARM_GCC_H_ +#define GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_ARM_GCC_H_ + +namespace google { +namespace protobuf { +namespace internal { + +// 0xffff0fc0 is the hard coded address of a function provided by +// the kernel which implements an atomic compare-exchange. On older +// ARM architecture revisions (pre-v6) this may be implemented using +// a syscall. This address is stable, and in active use (hard coded) +// by at least glibc-2.7 and the Android C library. +typedef Atomic32 (*LinuxKernelCmpxchgFunc)(Atomic32 old_value, + Atomic32 new_value, + volatile Atomic32* ptr); +LinuxKernelCmpxchgFunc pLinuxKernelCmpxchg __attribute__((weak)) = + (LinuxKernelCmpxchgFunc) 0xffff0fc0; + +typedef void (*LinuxKernelMemoryBarrierFunc)(void); +LinuxKernelMemoryBarrierFunc pLinuxKernelMemoryBarrier __attribute__((weak)) = + (LinuxKernelMemoryBarrierFunc) 0xffff0fa0; + + +inline Atomic32 NoBarrier_CompareAndSwap(volatile Atomic32* ptr, + Atomic32 old_value, + Atomic32 new_value) { + Atomic32 prev_value = *ptr; + do { + if (!pLinuxKernelCmpxchg(old_value, new_value, + const_cast(ptr))) { + return old_value; + } + prev_value = *ptr; + } while (prev_value == old_value); + return prev_value; +} + +inline Atomic32 NoBarrier_AtomicExchange(volatile Atomic32* ptr, + Atomic32 new_value) { + Atomic32 old_value; + do { + old_value = *ptr; + } while (pLinuxKernelCmpxchg(old_value, new_value, + const_cast(ptr))); + return old_value; +} + +inline Atomic32 NoBarrier_AtomicIncrement(volatile Atomic32* ptr, + Atomic32 increment) { + return Barrier_AtomicIncrement(ptr, increment); +} + +inline Atomic32 Barrier_AtomicIncrement(volatile Atomic32* ptr, + Atomic32 increment) { + for (;;) { + // Atomic exchange the old value with an incremented one. + Atomic32 old_value = *ptr; + Atomic32 new_value = old_value + increment; + if (pLinuxKernelCmpxchg(old_value, new_value, + const_cast(ptr)) == 0) { + // The exchange took place as expected. + return new_value; + } + // Otherwise, *ptr changed mid-loop and we need to retry. + } +} + +inline Atomic32 Acquire_CompareAndSwap(volatile Atomic32* ptr, + Atomic32 old_value, + Atomic32 new_value) { + return NoBarrier_CompareAndSwap(ptr, old_value, new_value); +} + +inline Atomic32 Release_CompareAndSwap(volatile Atomic32* ptr, + Atomic32 old_value, + Atomic32 new_value) { + return NoBarrier_CompareAndSwap(ptr, old_value, new_value); +} + +inline void NoBarrier_Store(volatile Atomic32* ptr, Atomic32 value) { + *ptr = value; +} + +inline void MemoryBarrier() { + pLinuxKernelMemoryBarrier(); +} + +inline void Acquire_Store(volatile Atomic32* ptr, Atomic32 value) { + *ptr = value; + MemoryBarrier(); +} + +inline void Release_Store(volatile Atomic32* ptr, Atomic32 value) { + MemoryBarrier(); + *ptr = value; +} + +inline Atomic32 NoBarrier_Load(volatile const Atomic32* ptr) { + return *ptr; +} + +inline Atomic32 Acquire_Load(volatile const Atomic32* ptr) { + Atomic32 value = *ptr; + MemoryBarrier(); + return value; +} + +inline Atomic32 Release_Load(volatile const Atomic32* ptr) { + MemoryBarrier(); + return *ptr; +} + +} // namespace internal +} // namespace protobuf +} // namespace google + +#endif // GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_ARM_GCC_H_