1254721Semaste//===-- DWARFDebugAbbrev.h --------------------------------------*- C++ -*-===// 2254721Semaste// 3353358Sdim// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4353358Sdim// See https://llvm.org/LICENSE.txt for license information. 5353358Sdim// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6254721Semaste// 7254721Semaste//===----------------------------------------------------------------------===// 8254721Semaste 9254721Semaste#ifndef SymbolFileDWARF_DWARFDebugAbbrev_h_ 10254721Semaste#define SymbolFileDWARF_DWARFDebugAbbrev_h_ 11254721Semaste 12254721Semaste#include <list> 13254721Semaste#include <map> 14254721Semaste 15254721Semaste#include "lldb/lldb-private.h" 16254721Semaste 17314564Sdim#include "DWARFAbbreviationDeclaration.h" 18254721Semaste#include "DWARFDefines.h" 19254721Semaste 20314564Sdimtypedef std::vector<DWARFAbbreviationDeclaration> 21314564Sdim DWARFAbbreviationDeclarationColl; 22314564Sdimtypedef DWARFAbbreviationDeclarationColl::iterator 23314564Sdim DWARFAbbreviationDeclarationCollIter; 24314564Sdimtypedef DWARFAbbreviationDeclarationColl::const_iterator 25314564Sdim DWARFAbbreviationDeclarationCollConstIter; 26254721Semaste 27314564Sdimclass DWARFAbbreviationDeclarationSet { 28254721Semastepublic: 29314564Sdim DWARFAbbreviationDeclarationSet() 30314564Sdim : m_offset(DW_INVALID_OFFSET), m_idx_offset(0), m_decls() {} 31254721Semaste 32314564Sdim DWARFAbbreviationDeclarationSet(dw_offset_t offset, uint32_t idx_offset) 33314564Sdim : m_offset(offset), m_idx_offset(idx_offset), m_decls() {} 34254721Semaste 35314564Sdim void Clear(); 36314564Sdim dw_offset_t GetOffset() const { return m_offset; } 37353358Sdim 38353358Sdim /// Extract all abbrev decls in a set. Returns llvm::ErrorSuccess() on 39353358Sdim /// success, and an appropriate llvm::Error object otherwise. 40353358Sdim llvm::Error extract(const lldb_private::DWARFDataExtractor &data, 41353358Sdim lldb::offset_t *offset_ptr); 42314564Sdim // void Encode(BinaryStreamBuf& debug_abbrev_buf) const; 43327952Sdim void GetUnsupportedForms(std::set<dw_form_t> &invalid_forms) const; 44254721Semaste 45314564Sdim const DWARFAbbreviationDeclaration * 46314564Sdim GetAbbreviationDeclaration(dw_uleb128_t abbrCode) const; 47314564Sdim 48353358Sdim /// Unit test accessor functions. 49353358Sdim /// @{ 50353358Sdim uint32_t GetIndexOffset() const { return m_idx_offset; } 51353358Sdim /// @} 52254721Semasteprivate: 53314564Sdim dw_offset_t m_offset; 54314564Sdim uint32_t m_idx_offset; 55314564Sdim std::vector<DWARFAbbreviationDeclaration> m_decls; 56254721Semaste}; 57254721Semaste 58314564Sdimtypedef std::map<dw_offset_t, DWARFAbbreviationDeclarationSet> 59314564Sdim DWARFAbbreviationDeclarationCollMap; 60314564Sdimtypedef DWARFAbbreviationDeclarationCollMap::iterator 61314564Sdim DWARFAbbreviationDeclarationCollMapIter; 62314564Sdimtypedef DWARFAbbreviationDeclarationCollMap::const_iterator 63314564Sdim DWARFAbbreviationDeclarationCollMapConstIter; 64254721Semaste 65314564Sdimclass DWARFDebugAbbrev { 66314564Sdimpublic: 67314564Sdim DWARFDebugAbbrev(); 68314564Sdim const DWARFAbbreviationDeclarationSet * 69314564Sdim GetAbbreviationDeclarationSet(dw_offset_t cu_abbr_offset) const; 70353358Sdim /// Extract all abbreviations for a particular compile unit. Returns 71353358Sdim /// llvm::ErrorSuccess() on success, and an appropriate llvm::Error object 72353358Sdim /// otherwise. 73353358Sdim llvm::Error parse(const lldb_private::DWARFDataExtractor &data); 74327952Sdim void GetUnsupportedForms(std::set<dw_form_t> &invalid_forms) const; 75254721Semaste 76254721Semasteprotected: 77314564Sdim DWARFAbbreviationDeclarationCollMap m_abbrevCollMap; 78314564Sdim mutable DWARFAbbreviationDeclarationCollMapConstIter m_prev_abbr_offset_pos; 79254721Semaste}; 80254721Semaste 81314564Sdim#endif // SymbolFileDWARF_DWARFDebugAbbrev_h_ 82