| //===-- Symbols.cpp ---------------------------------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "lldb/Host/Symbols.h" |
| #include "lldb/Core/ArchSpec.h" |
| #include "lldb/Core/DataBuffer.h" |
| #include "lldb/Core/DataExtractor.h" |
| #include "lldb/Core/Module.h" |
| #include "lldb/Core/ModuleSpec.h" |
| #include "lldb/Core/StreamString.h" |
| #include "lldb/Core/Timer.h" |
| #include "lldb/Core/UUID.h" |
| #include "lldb/Symbol/ObjectFile.h" |
| #include "lldb/Target/Target.h" |
| |
| using namespace lldb; |
| using namespace lldb_private; |
| |
| #if defined (__linux__) || defined (__FreeBSD__) |
| |
| FileSpec |
| Symbols::LocateExecutableObjectFile (const ModuleSpec &module_spec) |
| { |
| // FIXME |
| return FileSpec(); |
| } |
| |
| FileSpec |
| Symbols::LocateExecutableSymbolFile (const ModuleSpec &module_spec) |
| { |
| const char *symbol_filename = module_spec.GetSymbolFileSpec().GetFilename().AsCString(); |
| if (!symbol_filename || !symbol_filename[0]) |
| return FileSpec(); |
| |
| FileSpecList debug_file_search_paths (Target::GetDefaultDebugFileSearchPaths()); |
| |
| // Add module directory. |
| const ConstString &file_dir = module_spec.GetFileSpec().GetDirectory(); |
| debug_file_search_paths.AppendIfUnique (FileSpec(file_dir.AsCString("."), true)); |
| |
| // Add current working directory. |
| debug_file_search_paths.AppendIfUnique (FileSpec(".", true)); |
| |
| // Add /usr/lib/debug directory. |
| debug_file_search_paths.AppendIfUnique (FileSpec("/usr/lib/debug", true)); |
| |
| std::string uuid_str; |
| const UUID &module_uuid = module_spec.GetUUID(); |
| if (module_uuid.IsValid()) |
| { |
| // Some debug files are stored in the .build-id directory like this: |
| // /usr/lib/debug/.build-id/ff/e7fe727889ad82bb153de2ad065b2189693315.debug |
| uuid_str = module_uuid.GetAsString(""); |
| uuid_str.insert (2, 1, '/'); |
| uuid_str = uuid_str + ".debug"; |
| } |
| |
| // Get directory of our module. Needed to check debug files like this: |
| // /usr/lib/debug/usr/lib/library.so.debug |
| std::string module_directory = module_spec.GetFileSpec().GetDirectory().AsCString(); |
| |
| size_t num_directories = debug_file_search_paths.GetSize(); |
| for (size_t idx = 0; idx < num_directories; ++idx) |
| { |
| FileSpec dirspec = debug_file_search_paths.GetFileSpecAtIndex (idx); |
| dirspec.ResolvePath(); |
| if (!dirspec.Exists() || !dirspec.IsDirectory()) |
| continue; |
| |
| std::vector<std::string> files; |
| std::string dirname = dirspec.GetPath(); |
| |
| files.push_back (dirname + "/" + symbol_filename); |
| files.push_back (dirname + "/.debug/" + symbol_filename); |
| files.push_back (dirname + "/.build-id/" + uuid_str); |
| files.push_back (dirname + module_directory + "/" + symbol_filename); |
| |
| const uint32_t num_files = files.size(); |
| for (size_t idx_file = 0; idx_file < num_files; ++idx_file) |
| { |
| const std::string &filename = files[idx_file]; |
| FileSpec file_spec (filename.c_str(), true); |
| |
| if (file_spec == module_spec.GetFileSpec()) |
| continue; |
| |
| if (file_spec.Exists()) |
| { |
| lldb_private::ModuleSpecList specs; |
| const size_t num_specs = ObjectFile::GetModuleSpecifications (file_spec, 0, 0, specs); |
| assert (num_specs <= 1 && "Symbol Vendor supports only a single architecture"); |
| if (num_specs == 1) |
| { |
| ModuleSpec mspec; |
| if (specs.GetModuleSpecAtIndex (0, mspec)) |
| { |
| if (mspec.GetUUID() == module_uuid) |
| return file_spec; |
| } |
| } |
| } |
| } |
| } |
| |
| return FileSpec(); |
| } |
| |
| FileSpec |
| Symbols::FindSymbolFileInBundle (const FileSpec& symfile_bundle, |
| const lldb_private::UUID *uuid, |
| const ArchSpec *arch) |
| { |
| // FIXME |
| return FileSpec(); |
| } |
| |
| bool |
| Symbols::DownloadObjectAndSymbolFile (ModuleSpec &module_spec, bool force_lookup) |
| { |
| // Fill in the module_spec.GetFileSpec() for the object file and/or the |
| // module_spec.GetSymbolFileSpec() for the debug symbols file. |
| return false; |
| } |
| |
| #elif !defined (__APPLE__) |
| |
| FileSpec |
| Symbols::LocateExecutableObjectFile (const ModuleSpec &module_spec) |
| { |
| // FIXME |
| return FileSpec(); |
| } |
| |
| FileSpec |
| Symbols::LocateExecutableSymbolFile (const ModuleSpec &module_spec) |
| { |
| // FIXME |
| return FileSpec(); |
| } |
| |
| FileSpec |
| Symbols::FindSymbolFileInBundle (const FileSpec& symfile_bundle, |
| const lldb_private::UUID *uuid, |
| const ArchSpec *arch) |
| { |
| return FileSpec(); |
| } |
| |
| bool |
| Symbols::DownloadObjectAndSymbolFile (ModuleSpec &module_spec, bool force_lookup) |
| { |
| // Fill in the module_spec.GetFileSpec() for the object file and/or the |
| // module_spec.GetSymbolFileSpec() for the debug symbols file. |
| return false; |
| } |
| |
| #endif |