87 lines
2.6 KiB
C
87 lines
2.6 KiB
C
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//===- DWARFDebugPubTable.h -------------------------------------*- 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_DEBUGINFO_DWARF_DWARFDEBUGPUBTABLE_H
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#define LLVM_DEBUGINFO_DWARF_DWARFDEBUGPUBTABLE_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/BinaryFormat/Dwarf.h"
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#include "llvm/DebugInfo/DWARF/DWARFDataExtractor.h"
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#include "llvm/DebugInfo/DWARF/DWARFObject.h"
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#include <cstdint>
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#include <vector>
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namespace llvm {
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class raw_ostream;
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/// Represents structure for holding and parsing .debug_pub* tables.
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class DWARFDebugPubTable {
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public:
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struct Entry {
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/// Section offset from the beginning of the compilation unit.
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uint64_t SecOffset;
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/// An entry of the various gnu_pub* debug sections.
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dwarf::PubIndexEntryDescriptor Descriptor;
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/// The name of the object as given by the DW_AT_name attribute of the
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/// referenced DIE.
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StringRef Name;
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};
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/// Each table consists of sets of variable length entries. Each set describes
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/// the names of global objects and functions, or global types, respectively,
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/// whose definitions are represented by debugging information entries owned
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/// by a single compilation unit.
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struct Set {
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/// The total length of the entries for that set, not including the length
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/// field itself.
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uint64_t Length;
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/// The DWARF format of the set.
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dwarf::DwarfFormat Format;
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/// This number is specific to the name lookup table and is independent of
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/// the DWARF version number.
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uint16_t Version;
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/// The offset from the beginning of the .debug_info section of the
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/// compilation unit header referenced by the set.
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uint64_t Offset;
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/// The size in bytes of the contents of the .debug_info section generated
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/// to represent that compilation unit.
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uint64_t Size;
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std::vector<Entry> Entries;
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};
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private:
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std::vector<Set> Sets;
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/// gnu styled tables contains additional information.
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/// This flag determines whether or not section we parse is debug_gnu* table.
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bool GnuStyle = false;
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public:
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DWARFDebugPubTable() = default;
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void extract(DWARFDataExtractor Data, bool GnuStyle,
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function_ref<void(Error)> RecoverableErrorHandler);
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void dump(raw_ostream &OS) const;
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ArrayRef<Set> getData() { return Sets; }
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};
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} // end namespace llvm
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#endif // LLVM_DEBUGINFO_DWARF_DWARFDEBUGPUBTABLE_H
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