diff options
Diffstat (limited to 'contrib/llvm-project/lldb/source/Plugins/SymbolFile/DWARF/DebugNamesDWARFIndex.h')
-rw-r--r-- | contrib/llvm-project/lldb/source/Plugins/SymbolFile/DWARF/DebugNamesDWARFIndex.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/contrib/llvm-project/lldb/source/Plugins/SymbolFile/DWARF/DebugNamesDWARFIndex.h b/contrib/llvm-project/lldb/source/Plugins/SymbolFile/DWARF/DebugNamesDWARFIndex.h new file mode 100644 index 000000000000..dca25496373f --- /dev/null +++ b/contrib/llvm-project/lldb/source/Plugins/SymbolFile/DWARF/DebugNamesDWARFIndex.h @@ -0,0 +1,81 @@ +//===-- DebugNamesDWARFIndex.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_DEBUGNAMESDWARFINDEX_H +#define LLDB_DEBUGNAMESDWARFINDEX_H + +#include "Plugins/SymbolFile/DWARF/DWARFIndex.h" +#include "Plugins/SymbolFile/DWARF/LogChannelDWARF.h" +#include "Plugins/SymbolFile/DWARF/ManualDWARFIndex.h" +#include "lldb/Utility/ConstString.h" +#include "llvm/DebugInfo/DWARF/DWARFAcceleratorTable.h" + +namespace lldb_private { +class DebugNamesDWARFIndex : public DWARFIndex { +public: + static llvm::Expected<std::unique_ptr<DebugNamesDWARFIndex>> + Create(Module &module, DWARFDataExtractor debug_names, + DWARFDataExtractor debug_str, DWARFDebugInfo *debug_info); + + void Preload() override { m_fallback.Preload(); } + + void GetGlobalVariables(ConstString basename, DIEArray &offsets) override; + void GetGlobalVariables(const RegularExpression ®ex, + DIEArray &offsets) override; + void GetGlobalVariables(const DWARFUnit &cu, DIEArray &offsets) override; + void GetObjCMethods(ConstString class_name, DIEArray &offsets) override {} + void GetCompleteObjCClass(ConstString class_name, bool must_be_implementation, + DIEArray &offsets) override; + void GetTypes(ConstString name, DIEArray &offsets) override; + void GetTypes(const DWARFDeclContext &context, DIEArray &offsets) override; + void GetNamespaces(ConstString name, DIEArray &offsets) override; + void GetFunctions(ConstString name, SymbolFileDWARF &dwarf, + const CompilerDeclContext &parent_decl_ctx, + uint32_t name_type_mask, + std::vector<DWARFDIE> &dies) override; + void GetFunctions(const RegularExpression ®ex, + DIEArray &offsets) override; + + void ReportInvalidDIERef(const DIERef &ref, llvm::StringRef name) override {} + void Dump(Stream &s) override; + +private: + DebugNamesDWARFIndex(Module &module, + std::unique_ptr<llvm::DWARFDebugNames> debug_names_up, + DWARFDataExtractor debug_names_data, + DWARFDataExtractor debug_str_data, + DWARFDebugInfo &debug_info) + : DWARFIndex(module), m_debug_info(debug_info), + m_debug_names_data(debug_names_data), m_debug_str_data(debug_str_data), + m_debug_names_up(std::move(debug_names_up)), + m_fallback(module, &debug_info, GetUnits(*m_debug_names_up)) {} + + DWARFDebugInfo &m_debug_info; + + // LLVM DWARFDebugNames will hold a non-owning reference to this data, so keep + // track of the ownership here. + DWARFDataExtractor m_debug_names_data; + DWARFDataExtractor m_debug_str_data; + + using DebugNames = llvm::DWARFDebugNames; + std::unique_ptr<DebugNames> m_debug_names_up; + ManualDWARFIndex m_fallback; + + llvm::Optional<DIERef> ToDIERef(const DebugNames::Entry &entry); + void Append(const DebugNames::Entry &entry, DIEArray &offsets); + + static void MaybeLogLookupError(llvm::Error error, + const DebugNames::NameIndex &ni, + llvm::StringRef name); + + static llvm::DenseSet<dw_offset_t> GetUnits(const DebugNames &debug_names); +}; + +} // namespace lldb_private + +#endif // LLDB_DEBUGNAMESDWARFINDEX_H |