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//===-- ELFAttributes.cpp - ELF Attributes --------------------------------===//
//
// 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 "llvm/Support/ELFAttributes.h"
#include "llvm/ADT/StringRef.h"
using namespace llvm;
StringRef ELFAttrs::attrTypeAsString(unsigned attr, TagNameMap tagNameMap,
bool hasTagPrefix) {
auto tagNameIt = find_if(
tagNameMap, [attr](const TagNameItem item) { return item.attr == attr; });
if (tagNameIt == tagNameMap.end())
return "";
StringRef tagName = tagNameIt->tagName;
return hasTagPrefix ? tagName : tagName.drop_front(4);
}
std::optional<unsigned> ELFAttrs::attrTypeFromString(StringRef tag,
TagNameMap tagNameMap) {
bool hasTagPrefix = tag.starts_with("Tag_");
auto tagNameIt =
find_if(tagNameMap, [tag, hasTagPrefix](const TagNameItem item) {
return item.tagName.drop_front(hasTagPrefix ? 0 : 4) == tag;
});
if (tagNameIt == tagNameMap.end())
return std::nullopt;
return tagNameIt->attr;
}
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