aosp12/frameworks/compile/libbcc/lib/Initialization.cpp

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/*
* Copyright 2012, The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "bcc/Initialization.h"
#include "Log.h"
#include "bcc/Config.h"
#include <cstdlib>
#include <llvm/InitializePasses.h>
#include <llvm/PassRegistry.h>
#include <llvm/Support/ErrorHandling.h>
#include <llvm/Support/TargetSelect.h>
namespace {
void llvm_error_handler(void *pUserData, const std::string &pMessage,
bool pGenCrashDiag) {
ALOGE("bcc: Internal Error - %s", pMessage.c_str());
::exit(1);
}
} // end anonymous namespace
void bcc::init::Initialize() {
static bool is_initialized = false;
if (is_initialized) {
return;
}
// Setup error handler for LLVM.
llvm::remove_fatal_error_handler();
llvm::install_fatal_error_handler(llvm_error_handler, nullptr);
llvm::InitializeAllTargets();
llvm::InitializeAllTargetMCs();
llvm::InitializeAllAsmPrinters();
llvm::PassRegistry &Registry = *llvm::PassRegistry::getPassRegistry();
llvm::initializeCore(Registry);
llvm::initializeScalarOpts(Registry);
llvm::initializeVectorization(Registry);
llvm::initializeIPO(Registry);
llvm::initializeAnalysis(Registry);
llvm::initializeTransformUtils(Registry);
llvm::initializeInstCombine(Registry);
llvm::initializeInstrumentation(Registry);
llvm::initializeTarget(Registry);
llvm::initializeCodeGenPreparePass(Registry);
llvm::initializeAtomicExpandPass(Registry);
llvm::initializeRewriteSymbolsPass(Registry);
is_initialized = true;
return;
}