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