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 <new> 20 21 #include "bcc/Source.h" 22 #include "bcc/Support/Log.h" 23 24 #include "BCCContextImpl.h" 25 26 using namespace bcc; 27 28 static BCCContext *GlobalContext = nullptr; 29 GetOrCreateGlobalContext()30BCCContext *BCCContext::GetOrCreateGlobalContext() { 31 if (GlobalContext == nullptr) { 32 GlobalContext = new (std::nothrow) BCCContext(); 33 if (GlobalContext == nullptr) { 34 ALOGE("Out of memory when allocating global BCCContext!"); 35 } 36 } 37 return GlobalContext; 38 } 39 DestroyGlobalContext()40void BCCContext::DestroyGlobalContext() { 41 delete GlobalContext; 42 GlobalContext = nullptr; 43 } 44 BCCContext()45BCCContext::BCCContext() : mImpl(new BCCContextImpl(*this)) { } 46 ~BCCContext()47BCCContext::~BCCContext() { 48 delete mImpl; 49 if (this == GlobalContext) { 50 // We're deleting the context returned from GetOrCreateGlobalContext(). 51 // Reset the GlobalContext. 52 GlobalContext = nullptr; 53 } 54 } 55 addSource(Source & pSource)56void BCCContext::addSource(Source &pSource) 57 { mImpl->mOwnSources.insert(&pSource); } 58 removeSource(Source & pSource)59void BCCContext::removeSource(Source &pSource) 60 { mImpl->mOwnSources.erase(&pSource); } 61 getLLVMContext()62llvm::LLVMContext &BCCContext::getLLVMContext() 63 { return mImpl->mLLVMContext; } 64 getLLVMContext() const65const llvm::LLVMContext &BCCContext::getLLVMContext() const 66 { return mImpl->mLLVMContext; } 67