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Diffstat (limited to 'source/Host/common/Symbols.cpp')
| -rw-r--r-- | source/Host/common/Symbols.cpp | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/source/Host/common/Symbols.cpp b/source/Host/common/Symbols.cpp new file mode 100644 index 000000000000..7189269677d9 --- /dev/null +++ b/source/Host/common/Symbols.cpp @@ -0,0 +1,163 @@ +//===-- 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 full path to our module. Needed to check debug files like this: + // /usr/lib/debug/usr/lib/libboost_date_time.so.1.46.1 + std::string module_filename = module_spec.GetFileSpec().GetPath(); + + 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_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 |