llvm-project/llvm/unittests/DebugInfo/DWARF/DwarfUtils.cpp

43 lines
1.2 KiB
C++

//===--- unittests/DebugInfo/DWARF/DwarfUtils.cpp ---------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "DwarfUtils.h"
#include "llvm/ADT/Triple.h"
#include "llvm/Config/llvm-config.h"
#include "llvm/Support/TargetRegistry.h"
#include "llvm/Support/TargetSelect.h"
using namespace llvm;
static void initLLVMIfNeeded() {
static bool gInitialized = false;
if (!gInitialized) {
gInitialized = true;
InitializeAllTargets();
InitializeAllTargetMCs();
InitializeAllAsmPrinters();
InitializeAllAsmParsers();
}
}
Triple llvm::dwarf::utils::getHostTripleForAddrSize(uint8_t AddrSize) {
Triple T(Triple::normalize(LLVM_HOST_TRIPLE));
if (AddrSize == 8 && T.isArch32Bit())
return T.get64BitArchVariant();
if (AddrSize == 4 && T.isArch64Bit())
return T.get32BitArchVariant();
return T;
}
bool llvm::dwarf::utils::isConfigurationSupported(Triple &T) {
initLLVMIfNeeded();
std::string Err;
return TargetRegistry::lookupTarget(T.getTriple(), Err);
}