reference, declarationdefinition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced
    1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47
   48
   49
   50
   51
   52
   53
   54
   55
   56
   57
   58
   59
   60
   61
   62
   63
   64
   65
   66
   67
   68
   69
   70
   71
   72
   73
   74
   75
   76
   77
   78
   79
   80
   81
   82
   83
   84
   85
   86
   87
   88
   89
   90
   91
   92
   93
   94
   95
   96
   97
   98
   99
  100
  101
  102
  103
  104
  105
  106
  107
  108
  109
  110
  111
  112
  113
  114
  115
  116
  117
  118
  119
  120
  121
  122
  123
  124
  125
  126
  127
  128
  129
  130
  131
  132
  133
  134
  135
  136
  137
  138
  139
  140
  141
  142
  143
  144
  145
  146
  147
  148
  149
  150
  151
  152
  153
  154
  155
  156
  157
  158
  159
  160
  161
  162
  163
  164
  165
  166
  167
  168
  169
  170
  171
  172
  173
  174
  175
  176
  177
  178
  179
  180
  181
  182
  183
  184
  185
  186
  187
  188
  189
  190
  191
  192
  193
  194
  195
  196
  197
  198
  199
  200
  201
  202
  203
  204
  205
  206
  207
  208
  209
  210
  211
  212
  213
  214
  215
  216
  217
  218
  219
  220
  221
  222
  223
  224
  225
  226
  227
  228
  229
  230
  231
  232
  233
  234
  235
  236
  237
//===-- SymbolFileNativePDB.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 LLDB_PLUGINS_SYMBOLFILE_NATIVEPDB_SYMBOLFILENATIVEPDB_H
#define LLDB_PLUGINS_SYMBOLFILE_NATIVEPDB_SYMBOLFILENATIVEPDB_H

#include "lldb/Symbol/SymbolFile.h"

#include "llvm/ADT/DenseMap.h"
#include "llvm/DebugInfo/CodeView/CVRecord.h"
#include "llvm/DebugInfo/CodeView/SymbolRecord.h"
#include "llvm/DebugInfo/PDB/PDBTypes.h"

#include "CompileUnitIndex.h"
#include "PdbIndex.h"

namespace clang {
class TagDecl;
}

namespace llvm {
namespace codeview {
class ClassRecord;
class EnumRecord;
class ModifierRecord;
class PointerRecord;
struct UnionRecord;
} // namespace codeview
} // namespace llvm

namespace lldb_private {

namespace npdb {
class PdbAstBuilder;

class SymbolFileNativePDB : public SymbolFile {
  friend class UdtRecordCompleter;

public:
  // Static Functions
  static void Initialize();

  static void Terminate();

  static void DebuggerInitialize(Debugger &debugger);

  static ConstString GetPluginNameStatic();

  static const char *GetPluginDescriptionStatic();

  static SymbolFile *CreateInstance(lldb::ObjectFileSP objfile_sp);

  // Constructors and Destructors
  SymbolFileNativePDB(lldb::ObjectFileSP objfile_sp);

  ~SymbolFileNativePDB() override;

  uint32_t CalculateAbilities() override;

  void InitializeObject() override;

  // Compile Unit function calls

  void
  ParseDeclsForContext(lldb_private::CompilerDeclContext decl_ctx) override;

  lldb::LanguageType
  ParseLanguage(lldb_private::CompileUnit &comp_unit) override;

  size_t ParseFunctions(lldb_private::CompileUnit &comp_unit) override;

  bool ParseLineTable(lldb_private::CompileUnit &comp_unit) override;

  bool ParseDebugMacros(lldb_private::CompileUnit &comp_unit) override;

  bool ParseSupportFiles(lldb_private::CompileUnit &comp_unit,
                         FileSpecList &support_files) override;
  size_t ParseTypes(lldb_private::CompileUnit &comp_unit) override;

  bool ParseImportedModules(
      const SymbolContext &sc,
      std::vector<lldb_private::SourceModule> &imported_modules) override;

  size_t ParseBlocksRecursive(Function &func) override;

  void FindGlobalVariables(ConstString name,
                           const CompilerDeclContext *parent_decl_ctx,
                           uint32_t max_matches,
                           VariableList &variables) override;

  size_t ParseVariablesForContext(const SymbolContext &sc) override;

  void AddSymbols(Symtab &symtab) override;

  CompilerDecl GetDeclForUID(lldb::user_id_t uid) override;
  CompilerDeclContext GetDeclContextForUID(lldb::user_id_t uid) override;
  CompilerDeclContext GetDeclContextContainingUID(lldb::user_id_t uid) override;
  Type *ResolveTypeUID(lldb::user_id_t type_uid) override;
  llvm::Optional<ArrayInfo> GetDynamicArrayInfoForUID(
      lldb::user_id_t type_uid,
      const lldb_private::ExecutionContext *exe_ctx) override;

  bool CompleteType(CompilerType &compiler_type) override;
  uint32_t ResolveSymbolContext(const Address &so_addr,
                                lldb::SymbolContextItem resolve_scope,
                                SymbolContext &sc) override;
  uint32_t ResolveSymbolContext(const FileSpec &file_spec, uint32_t line,
                                bool check_inlines,
                                lldb::SymbolContextItem resolve_scope,
                                SymbolContextList &sc_list) override;

  void GetTypes(SymbolContextScope *sc_scope, lldb::TypeClass type_mask,
                TypeList &type_list) override;

  void FindFunctions(ConstString name,
                     const CompilerDeclContext *parent_decl_ctx,
                     lldb::FunctionNameType name_type_mask,
                     bool include_inlines, SymbolContextList &sc_list) override;

  void FindFunctions(const RegularExpression &regex, bool include_inlines,
                     SymbolContextList &sc_list) override;

  void FindTypes(ConstString name, const CompilerDeclContext *parent_decl_ctx,
                 uint32_t max_matches,
                 llvm::DenseSet<SymbolFile *> &searched_symbol_files,
                 TypeMap &types) override;

  void FindTypes(llvm::ArrayRef<CompilerContext> pattern, LanguageSet languages,
                 TypeMap &types) override;

  llvm::Expected<TypeSystem &>
  GetTypeSystemForLanguage(lldb::LanguageType language) override;

  CompilerDeclContext
  FindNamespace(ConstString name,
                const CompilerDeclContext *parent_decl_ctx) override;

  ConstString GetPluginName() override;

  uint32_t GetPluginVersion() override;

  llvm::pdb::PDBFile &GetPDBFile() { return m_index->pdb(); }
  const llvm::pdb::PDBFile &GetPDBFile() const { return m_index->pdb(); }

  void DumpClangAST(Stream &s) override;

private:
  uint32_t CalculateNumCompileUnits() override;

  lldb::CompUnitSP ParseCompileUnitAtIndex(uint32_t index) override;

  void FindTypesByName(llvm::StringRef name, uint32_t max_matches,
                       TypeMap &types);

  lldb::TypeSP CreateModifierType(PdbTypeSymId type_id,
                                  const llvm::codeview::ModifierRecord &mr,
                                  CompilerType ct);
  lldb::TypeSP CreatePointerType(PdbTypeSymId type_id,
                                 const llvm::codeview::PointerRecord &pr,
                                 CompilerType ct);
  lldb::TypeSP CreateSimpleType(llvm::codeview::TypeIndex ti, CompilerType ct);
  lldb::TypeSP CreateTagType(PdbTypeSymId type_id,
                             const llvm::codeview::ClassRecord &cr,
                             CompilerType ct);
  lldb::TypeSP CreateTagType(PdbTypeSymId type_id,
                             const llvm::codeview::EnumRecord &er,
                             CompilerType ct);
  lldb::TypeSP CreateTagType(PdbTypeSymId type_id,
                             const llvm::codeview::UnionRecord &ur,
                             CompilerType ct);
  lldb::TypeSP CreateArrayType(PdbTypeSymId type_id,
                               const llvm::codeview::ArrayRecord &ar,
                               CompilerType ct);
  lldb::TypeSP CreateFunctionType(PdbTypeSymId type_id,
                                  const llvm::codeview::MemberFunctionRecord &pr,
                                  CompilerType ct);
  lldb::TypeSP CreateProcedureType(PdbTypeSymId type_id,
                                   const llvm::codeview::ProcedureRecord &pr,
                                   CompilerType ct);
  lldb::TypeSP CreateClassStructUnion(PdbTypeSymId type_id,
                                      const llvm::codeview::TagRecord &record,
                                      size_t size, CompilerType ct);

  lldb::FunctionSP GetOrCreateFunction(PdbCompilandSymId func_id,
                                       CompileUnit &comp_unit);
  lldb::CompUnitSP GetOrCreateCompileUnit(const CompilandIndexItem &cci);
  lldb::TypeSP GetOrCreateType(PdbTypeSymId type_id);
  lldb::TypeSP GetOrCreateType(llvm::codeview::TypeIndex ti);
  lldb::VariableSP GetOrCreateGlobalVariable(PdbGlobalSymId var_id);
  Block &GetOrCreateBlock(PdbCompilandSymId block_id);
  lldb::VariableSP GetOrCreateLocalVariable(PdbCompilandSymId scope_id,
                                            PdbCompilandSymId var_id,
                                            bool is_param);
  lldb::TypeSP GetOrCreateTypedef(PdbGlobalSymId id);

  lldb::FunctionSP CreateFunction(PdbCompilandSymId func_id,
                                  CompileUnit &comp_unit);
  Block &CreateBlock(PdbCompilandSymId block_id);
  lldb::VariableSP CreateLocalVariable(PdbCompilandSymId scope_id,
                                       PdbCompilandSymId var_id, bool is_param);
  lldb::TypeSP CreateTypedef(PdbGlobalSymId id);
  lldb::CompUnitSP CreateCompileUnit(const CompilandIndexItem &cci);
  lldb::TypeSP CreateType(PdbTypeSymId type_id, CompilerType ct);
  lldb::TypeSP CreateAndCacheType(PdbTypeSymId type_id);
  lldb::VariableSP CreateGlobalVariable(PdbGlobalSymId var_id);
  lldb::VariableSP CreateConstantSymbol(PdbGlobalSymId var_id,
                                        const llvm::codeview::CVSymbol &cvs);
  size_t ParseVariablesForCompileUnit(CompileUnit &comp_unit,
                                      VariableList &variables);
  size_t ParseVariablesForBlock(PdbCompilandSymId block_id);

  llvm::BumpPtrAllocator m_allocator;

  lldb::addr_t m_obj_load_address = 0;
  bool m_done_full_type_scan = false;

  std::unique_ptr<PdbIndex> m_index;

  std::unique_ptr<PdbAstBuilder> m_ast;

  llvm::DenseMap<lldb::user_id_t, lldb::VariableSP> m_global_vars;
  llvm::DenseMap<lldb::user_id_t, lldb::VariableSP> m_local_variables;
  llvm::DenseMap<lldb::user_id_t, lldb::BlockSP> m_blocks;
  llvm::DenseMap<lldb::user_id_t, lldb::FunctionSP> m_functions;
  llvm::DenseMap<lldb::user_id_t, lldb::CompUnitSP> m_compilands;
  llvm::DenseMap<lldb::user_id_t, lldb::TypeSP> m_types;
};

} // namespace npdb
} // namespace lldb_private

#endif // lldb_Plugins_SymbolFile_PDB_SymbolFilePDB_h_