55 lines
1.6 KiB
C++
55 lines
1.6 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/Host.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::getNormalizedDefaultTargetTriple() {
|
|
Triple T(Triple::normalize(sys::getDefaultTargetTriple()));
|
|
|
|
return T;
|
|
}
|
|
|
|
Triple llvm::dwarf::utils::getDefaultTargetTripleForAddrSize(uint8_t AddrSize) {
|
|
Triple T = getNormalizedDefaultTargetTriple();
|
|
|
|
assert((AddrSize == 4 || AddrSize == 8) &&
|
|
"Only 32-bit/64-bit address size variants are supported");
|
|
|
|
// If a 32-bit/64-bit address size was specified, try to convert the triple
|
|
// if it is for the wrong variant.
|
|
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);
|
|
}
|