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llvm-project/lldb/source/Plugins/SymbolFile/NativePDB/SymbolFileNativePDB.h

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//===-- 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_SOURCE_PLUGINS_SYMBOLFILE_NATIVEPDB_SYMBOLFILENATIVEPDB_H
#define LLDB_SOURCE_PLUGINS_SYMBOLFILE_NATIVEPDB_SYMBOLFILENATIVEPDB_H
#include "lldb/Symbol/LineTable.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"
#include "PdbAstBuilder.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 SymbolFileNativePDB : public SymbolFileCommon {
friend class UdtRecordCompleter;
/// LLVM RTTI support.
static char ID;
public:
/// LLVM RTTI support.
/// \{
bool isA(const void *ClassID) const override {
return ClassID == &ID || SymbolFileCommon::isA(ClassID);
}
static bool classof(const SymbolFile *obj) { return obj->isA(&ID); }
/// \}
// Static Functions
static void Initialize();
static void Terminate();
static void DebuggerInitialize(Debugger &debugger);
static llvm::StringRef GetPluginNameStatic() { return "native-pdb"; }
static llvm::StringRef 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;
uint64_t GetDebugInfoSize() 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 SourceLocationSpec &src_location_spec,
lldb::SymbolContextItem resolve_scope,
SymbolContextList &sc_list) override;
void GetTypes(SymbolContextScope *sc_scope, lldb::TypeClass type_mask,
TypeList &type_list) override;
void FindFunctions(const Module::LookupInfo &lookup_info,
const CompilerDeclContext &parent_decl_ctx,
bool include_inlines, SymbolContextList &sc_list) override;
void FindFunctions(const RegularExpression &regex, bool include_inlines,
SymbolContextList &sc_list) override;
llvm::Optional<PdbCompilandSymId> FindSymbolScope(PdbCompilandSymId id);
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,
llvm::DenseSet<SymbolFile *> &searched_symbol_files,
TypeMap &types) override;
llvm::Expected<lldb::TypeSystemSP>
GetTypeSystemForLanguage(lldb::LanguageType language) override;
CompilerDeclContext
FindNamespace(ConstString name,
const CompilerDeclContext &parent_decl_ctx) override;
llvm::StringRef GetPluginName() override { return GetPluginNameStatic(); }
llvm::pdb::PDBFile &GetPDBFile() { return m_index->pdb(); }
const llvm::pdb::PDBFile &GetPDBFile() const { return m_index->pdb(); }
PdbIndex &GetIndex() { return *m_index; };
void DumpClangAST(Stream &s) override;
llvm::Optional<llvm::codeview::TypeIndex>
GetParentType(llvm::codeview::TypeIndex ti);
private:
struct LineTableEntryComparator {
bool operator()(const lldb_private::LineTable::Entry &lhs,
const lldb_private::LineTable::Entry &rhs) const {
return lhs.file_addr < rhs.file_addr;
}
};
// From address range relative to function base to source line number.
using RangeSourceLineVector =
lldb_private::RangeDataVector<uint32_t, uint32_t, int32_t>;
// InlineSite contains information in a S_INLINESITE record.
struct InlineSite {
PdbCompilandSymId parent_id;
std::shared_ptr<InlineFunctionInfo> inline_function_info;
RangeSourceLineVector ranges;
std::vector<lldb_private::LineTable::Entry> line_entries;
InlineSite(PdbCompilandSymId parent_id) : parent_id(parent_id){};
};
void BuildParentMap();
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::Expected<uint32_t> GetFileIndex(const CompilandIndexItem &cii,
uint32_t file_id);
size_t ParseSymbolArrayInScope(
PdbCompilandSymId parent,
llvm::function_ref<bool(llvm::codeview::SymbolKind, PdbCompilandSymId)>
fn);
void ParseInlineSite(PdbCompilandSymId inline_site_id, Address func_addr);
llvm::BumpPtrAllocator m_allocator;
lldb::addr_t m_obj_load_address = 0;
bool m_done_full_type_scan = false;
// UID for anonymous union and anonymous struct as they don't have entities in
// pdb debug info.
lldb::user_id_t anonymous_id = LLDB_INVALID_UID - 1;
std::unique_ptr<llvm::pdb::PDBFile> m_file_up;
std::unique_ptr<PdbIndex> m_index;
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;
llvm::DenseMap<lldb::user_id_t, std::shared_ptr<InlineSite>> m_inline_sites;
llvm::DenseMap<llvm::codeview::TypeIndex, llvm::codeview::TypeIndex>
m_parent_types;
};
} // namespace npdb
} // namespace lldb_private
#endif // LLDB_SOURCE_PLUGINS_SYMBOLFILE_NATIVEPDB_SYMBOLFILENATIVEPDB_H
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