35 lines · cpp
1//===-- ELFAttributes.cpp - ELF Attributes --------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#include "llvm/Support/ELFAttributes.h"10#include "llvm/ADT/StringRef.h"11 12using namespace llvm;13 14StringRef ELFAttrs::attrTypeAsString(unsigned attr, TagNameMap tagNameMap,15 bool hasTagPrefix) {16 auto tagNameIt = find_if(17 tagNameMap, [attr](const TagNameItem item) { return item.attr == attr; });18 if (tagNameIt == tagNameMap.end())19 return "";20 StringRef tagName = tagNameIt->tagName;21 return hasTagPrefix ? tagName : tagName.drop_front(4);22}23 24std::optional<unsigned> ELFAttrs::attrTypeFromString(StringRef tag,25 TagNameMap tagNameMap) {26 bool hasTagPrefix = tag.starts_with("Tag_");27 auto tagNameIt =28 find_if(tagNameMap, [tag, hasTagPrefix](const TagNameItem item) {29 return item.tagName.drop_front(hasTagPrefix ? 0 : 4) == tag;30 });31 if (tagNameIt == tagNameMap.end())32 return std::nullopt;33 return tagNameIt->attr;34}35