68 lines
1.9 KiB
C++
68 lines
1.9 KiB
C++
//===-- ELFAttributes.h - ELF Attributes ------------------------*- 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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#ifndef LLVM_SUPPORT_ELFATTRIBUTES_H
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#define LLVM_SUPPORT_ELFATTRIBUTES_H
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#include "llvm/ADT/ArrayRef.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/Support/Compiler.h"
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#include <optional>
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namespace llvm {
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// Tag to string: ELF compact build attribute section
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struct TagNameItem {
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unsigned attr;
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StringRef tagName;
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};
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using TagNameMap = ArrayRef<TagNameItem>;
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// Build Attribute storage for ELF extended attribute section
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struct BuildAttributeItem {
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enum Types : uint8_t {
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NumericAttribute = 0,
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TextAttribute,
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} Type;
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unsigned Tag;
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unsigned IntValue;
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std::string StringValue;
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BuildAttributeItem(Types Ty, unsigned Tg, unsigned IV, std::string SV)
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: Type(Ty), Tag(Tg), IntValue(IV), StringValue(std::move(SV)) {}
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};
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struct BuildAttributeSubSection {
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std::string Name;
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unsigned IsOptional;
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unsigned ParameterType;
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SmallVector<BuildAttributeItem, 64> Content;
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};
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// Tag to string: ELF extended build attribute section
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struct SubsectionAndTagToTagName {
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StringRef SubsectionName;
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unsigned Tag;
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StringRef TagName;
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};
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namespace ELFAttrs {
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enum AttrType : unsigned { File = 1, Section = 2, Symbol = 3 };
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LLVM_ABI StringRef attrTypeAsString(unsigned attr, TagNameMap tagNameMap,
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bool hasTagPrefix = true);
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LLVM_ABI std::optional<unsigned> attrTypeFromString(StringRef tag,
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TagNameMap tagNameMap);
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// Magic numbers for ELF attributes.
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enum AttrMagic { Format_Version = 0x41 };
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} // namespace ELFAttrs
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} // namespace llvm
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#endif
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