55 lines
1.6 KiB
C++
55 lines
1.6 KiB
C++
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//===--- unittests/DebugInfo/DWARF/DwarfUtils.cpp ---------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "DwarfUtils.h"
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#include "llvm/ADT/Triple.h"
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#include "llvm/Config/llvm-config.h"
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#include "llvm/Support/Host.h"
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#include "llvm/Support/TargetRegistry.h"
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#include "llvm/Support/TargetSelect.h"
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using namespace llvm;
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static void initLLVMIfNeeded() {
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static bool gInitialized = false;
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if (!gInitialized) {
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gInitialized = true;
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InitializeAllTargets();
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InitializeAllTargetMCs();
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InitializeAllAsmPrinters();
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InitializeAllAsmParsers();
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}
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}
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Triple llvm::dwarf::utils::getNormalizedDefaultTargetTriple() {
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Triple T(Triple::normalize(sys::getDefaultTargetTriple()));
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return T;
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}
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Triple llvm::dwarf::utils::getDefaultTargetTripleForAddrSize(uint8_t AddrSize) {
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Triple T = getNormalizedDefaultTargetTriple();
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assert((AddrSize == 4 || AddrSize == 8) &&
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"Only 32-bit/64-bit address size variants are supported");
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// If a 32-bit/64-bit address size was specified, try to convert the triple
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// if it is for the wrong variant.
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if (AddrSize == 8 && T.isArch32Bit())
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return T.get64BitArchVariant();
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if (AddrSize == 4 && T.isArch64Bit())
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return T.get32BitArchVariant();
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return T;
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}
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bool llvm::dwarf::utils::isConfigurationSupported(Triple &T) {
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initLLVMIfNeeded();
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std::string Err;
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return TargetRegistry::lookupTarget(T.getTriple(), Err);
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}
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