Files
gps/tools/local/circt/include/llvm/Support/ELFAttrParserExtended.h
T
2026-07-12 11:01:51 +03:00

59 lines
2.3 KiB
C++

//===- ELF AttributeParser.h - ELF Attribute Parser -------------*- C++ -*-===//
//
// 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
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_SUPPORT_ELFEXTENDEDATTRPARSER_H
#define LLVM_SUPPORT_ELFEXTENDEDATTRPARSER_H
#include "llvm/ADT/ArrayRef.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/DataExtractor.h"
#include "llvm/Support/ELFAttributeParser.h"
#include "llvm/Support/ELFAttributes.h"
#include "llvm/Support/Error.h"
#include <optional>
#include <vector>
namespace llvm {
class StringRef;
class ScopedPrinter;
class LLVM_ABI ELFExtendedAttrParser : public ELFAttributeParser {
protected:
ScopedPrinter *Sw;
DataExtractor De{ArrayRef<uint8_t>{}, true};
DataExtractor::Cursor Cursor{0};
// Data structure for holding Extended ELF Build Attribute subsection
SmallVector<BuildAttributeSubSection, 8> SubSectionVec;
// Maps SubsectionName + Tag to tags names. Required for printing comments.
const std::vector<SubsectionAndTagToTagName> TagsNamesMap;
StringRef getTagName(const StringRef &BuildAttrSubsectionName,
const unsigned Tag);
public:
~ELFExtendedAttrParser() override { static_cast<void>(!Cursor.takeError()); }
Error parse(ArrayRef<uint8_t> Section, llvm::endianness Endian) override;
std::optional<unsigned> getAttributeValue(unsigned Tag) const override;
std::optional<unsigned> getAttributeValue(StringRef BuildAttrSubsectionName,
unsigned Tag) const override;
std::optional<StringRef> getAttributeString(unsigned Tag) const override;
std::optional<StringRef> getAttributeString(StringRef BuildAttrSubsectionName,
unsigned Tag) const override;
ELFExtendedAttrParser(
ScopedPrinter *Sw,
const std::vector<SubsectionAndTagToTagName> TagsNamesMap)
: Sw(Sw), TagsNamesMap(TagsNamesMap) {}
ELFExtendedAttrParser(
const std::vector<SubsectionAndTagToTagName> TagsNamesMap)
: Sw(nullptr), TagsNamesMap(TagsNamesMap) {}
};
} // namespace llvm
#endif // LLVM_SUPPORT_ELFEXTENDEDATTRPARSER_H