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-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 #include "llvm/Support/ELFAttributes.h"
10 #include "llvm/ADT/StringRef.h"
11
12 using namespace llvm;
13
attrTypeAsString(unsigned attr,TagNameMap tagNameMap,bool hasTagPrefix)14 StringRef 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
attrTypeFromString(StringRef tag,TagNameMap tagNameMap)24 Optional<unsigned> ELFAttrs::attrTypeFromString(StringRef tag,
25 TagNameMap tagNameMap) {
26 bool hasTagPrefix = tag.startswith("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 None;
33 return tagNameIt->attr;
34 }
35