82 lines
2.9 KiB
C++
82 lines
2.9 KiB
C++
//===-- DWARFDebugAbbrev.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 LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFDEBUGABBREV_H
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#define LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFDEBUGABBREV_H
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#include <list>
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#include <map>
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#include "lldb/lldb-private.h"
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#include "DWARFAbbreviationDeclaration.h"
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#include "DWARFDefines.h"
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typedef std::vector<DWARFAbbreviationDeclaration>
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DWARFAbbreviationDeclarationColl;
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typedef DWARFAbbreviationDeclarationColl::iterator
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DWARFAbbreviationDeclarationCollIter;
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typedef DWARFAbbreviationDeclarationColl::const_iterator
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DWARFAbbreviationDeclarationCollConstIter;
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class DWARFAbbreviationDeclarationSet {
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public:
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DWARFAbbreviationDeclarationSet()
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: m_offset(DW_INVALID_OFFSET), m_idx_offset(0), m_decls() {}
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DWARFAbbreviationDeclarationSet(dw_offset_t offset, uint32_t idx_offset)
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: m_offset(offset), m_idx_offset(idx_offset), m_decls() {}
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void Clear();
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dw_offset_t GetOffset() const { return m_offset; }
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/// Extract all abbrev decls in a set. Returns llvm::ErrorSuccess() on
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/// success, and an appropriate llvm::Error object otherwise.
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llvm::Error extract(const lldb_private::DWARFDataExtractor &data,
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lldb::offset_t *offset_ptr);
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// void Encode(BinaryStreamBuf& debug_abbrev_buf) const;
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void GetUnsupportedForms(std::set<dw_form_t> &invalid_forms) const;
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const DWARFAbbreviationDeclaration *
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GetAbbreviationDeclaration(dw_uleb128_t abbrCode) const;
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/// Unit test accessor functions.
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/// @{
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uint32_t GetIndexOffset() const { return m_idx_offset; }
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/// @}
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private:
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dw_offset_t m_offset;
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uint32_t m_idx_offset;
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std::vector<DWARFAbbreviationDeclaration> m_decls;
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};
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typedef std::map<dw_offset_t, DWARFAbbreviationDeclarationSet>
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DWARFAbbreviationDeclarationCollMap;
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typedef DWARFAbbreviationDeclarationCollMap::iterator
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DWARFAbbreviationDeclarationCollMapIter;
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typedef DWARFAbbreviationDeclarationCollMap::const_iterator
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DWARFAbbreviationDeclarationCollMapConstIter;
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class DWARFDebugAbbrev {
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public:
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DWARFDebugAbbrev();
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const DWARFAbbreviationDeclarationSet *
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GetAbbreviationDeclarationSet(dw_offset_t cu_abbr_offset) const;
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/// Extract all abbreviations for a particular compile unit. Returns
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/// llvm::ErrorSuccess() on success, and an appropriate llvm::Error object
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/// otherwise.
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llvm::Error parse(const lldb_private::DWARFDataExtractor &data);
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void GetUnsupportedForms(std::set<dw_form_t> &invalid_forms) const;
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protected:
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DWARFAbbreviationDeclarationCollMap m_abbrevCollMap;
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mutable DWARFAbbreviationDeclarationCollMapConstIter m_prev_abbr_offset_pos;
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};
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#endif // LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFDEBUGABBREV_H
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