1 /* 2 * Copyright 2012, The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include "bcc/BCCContext.h" 18 19 #include "BCCContextImpl.h" 20 #include "Log.h" 21 #include "bcc/Source.h" 22 23 #include <new> 24 25 using namespace bcc; 26 27 static BCCContext *GlobalContext = nullptr; 28 29 BCCContext *BCCContext::GetOrCreateGlobalContext() { 30 if (GlobalContext == nullptr) { 31 GlobalContext = new (std::nothrow) BCCContext(); 32 if (GlobalContext == nullptr) { 33 ALOGE("Out of memory when allocating global BCCContext!"); 34 } 35 } 36 return GlobalContext; 37 } 38 39 void BCCContext::DestroyGlobalContext() { 40 delete GlobalContext; 41 GlobalContext = nullptr; 42 } 43 44 BCCContext::BCCContext() : mImpl(new BCCContextImpl(*this)) { } 45 46 BCCContext::~BCCContext() { 47 delete mImpl; 48 if (this == GlobalContext) { 49 // We're deleting the context returned from GetOrCreateGlobalContext(). 50 // Reset the GlobalContext. 51 GlobalContext = nullptr; 52 } 53 } 54 55 void BCCContext::addSource(Source &pSource) 56 { mImpl->mOwnSources.insert(&pSource); } 57 58 void BCCContext::removeSource(Source &pSource) 59 { mImpl->mOwnSources.erase(&pSource); } 60 61 llvm::LLVMContext &BCCContext::getLLVMContext() 62 { return mImpl->mLLVMContext; } 63 64 const llvm::LLVMContext &BCCContext::getLLVMContext() const 65 { return mImpl->mLLVMContext; } 66
