diff options
Diffstat (limited to 'contrib/llvm/tools/lldb/source/Host/common/Symbols.cpp')
| -rw-r--r-- | contrib/llvm/tools/lldb/source/Host/common/Symbols.cpp | 465 |
1 files changed, 215 insertions, 250 deletions
diff --git a/contrib/llvm/tools/lldb/source/Host/common/Symbols.cpp b/contrib/llvm/tools/lldb/source/Host/common/Symbols.cpp index 60e1dc6bf995..461b15a07f84 100644 --- a/contrib/llvm/tools/lldb/source/Host/common/Symbols.cpp +++ b/contrib/llvm/tools/lldb/source/Host/common/Symbols.cpp @@ -34,294 +34,259 @@ using namespace llvm::MachO; #if defined(__APPLE__) // Forward declaration of method defined in source/Host/macosx/Symbols.cpp -int -LocateMacOSXFilesUsingDebugSymbols -( - const ModuleSpec &module_spec, - ModuleSpec &return_module_spec -); +int LocateMacOSXFilesUsingDebugSymbols(const ModuleSpec &module_spec, + ModuleSpec &return_module_spec); #else -int -LocateMacOSXFilesUsingDebugSymbols -( - const ModuleSpec &module_spec, - ModuleSpec &return_module_spec -) { - // Cannot find MacOSX files using debug symbols on non MacOSX. - return 0; +int LocateMacOSXFilesUsingDebugSymbols(const ModuleSpec &module_spec, + ModuleSpec &return_module_spec) { + // Cannot find MacOSX files using debug symbols on non MacOSX. + return 0; } #endif -static bool -FileAtPathContainsArchAndUUID (const FileSpec &file_fspec, const ArchSpec *arch, const lldb_private::UUID *uuid) -{ - ModuleSpecList module_specs; - if (ObjectFile::GetModuleSpecifications(file_fspec, 0, 0, module_specs)) - { - ModuleSpec spec; - for (size_t i = 0; i < module_specs.GetSize(); ++i) - { - assert(module_specs.GetModuleSpecAtIndex(i, spec)); - if ((uuid == NULL || (spec.GetUUIDPtr() && spec.GetUUID() == *uuid)) && - (arch == NULL || (spec.GetArchitecturePtr() && spec.GetArchitecture().IsCompatibleMatch(*arch)))) - { - return true; - } - } +static bool FileAtPathContainsArchAndUUID(const FileSpec &file_fspec, + const ArchSpec *arch, + const lldb_private::UUID *uuid) { + ModuleSpecList module_specs; + if (ObjectFile::GetModuleSpecifications(file_fspec, 0, 0, module_specs)) { + ModuleSpec spec; + for (size_t i = 0; i < module_specs.GetSize(); ++i) { + assert(module_specs.GetModuleSpecAtIndex(i, spec)); + if ((uuid == NULL || (spec.GetUUIDPtr() && spec.GetUUID() == *uuid)) && + (arch == NULL || (spec.GetArchitecturePtr() && + spec.GetArchitecture().IsCompatibleMatch(*arch)))) { + return true; + } } - return false; + } + return false; } -static bool -LocateDSYMInVincinityOfExecutable (const ModuleSpec &module_spec, FileSpec &dsym_fspec) -{ - Log *log = lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_HOST); - const FileSpec *exec_fspec = module_spec.GetFileSpecPtr(); - if (exec_fspec) - { - char path[PATH_MAX]; - if (exec_fspec->GetPath(path, sizeof(path))) - { - // Make sure the module isn't already just a dSYM file... - if (strcasestr(path, ".dSYM/Contents/Resources/DWARF") == NULL) - { - if (log) - { - if (module_spec.GetUUIDPtr() && module_spec.GetUUIDPtr()->IsValid()) - { - log->Printf ("Searching for dSYM bundle next to executable %s, UUID %s", path, module_spec.GetUUIDPtr()->GetAsString().c_str()); - } - else - { - log->Printf ("Searching for dSYM bundle next to executable %s", path); - } - } - size_t obj_file_path_length = strlen(path); - ::strncat(path, ".dSYM/Contents/Resources/DWARF/", sizeof(path) - strlen(path) - 1); - ::strncat(path, exec_fspec->GetFilename().AsCString(), sizeof(path) - strlen(path) - 1); - - dsym_fspec.SetFile(path, false); - - ModuleSpecList module_specs; - ModuleSpec matched_module_spec; - if (dsym_fspec.Exists() && - FileAtPathContainsArchAndUUID(dsym_fspec, module_spec.GetArchitecturePtr(), module_spec.GetUUIDPtr())) - { - if (log) - { - log->Printf ("dSYM with matching UUID & arch found at %s", path); - } - return true; +static bool LocateDSYMInVincinityOfExecutable(const ModuleSpec &module_spec, + FileSpec &dsym_fspec) { + Log *log = lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_HOST); + const FileSpec *exec_fspec = module_spec.GetFileSpecPtr(); + if (exec_fspec) { + char path[PATH_MAX]; + if (exec_fspec->GetPath(path, sizeof(path))) { + // Make sure the module isn't already just a dSYM file... + if (strcasestr(path, ".dSYM/Contents/Resources/DWARF") == NULL) { + if (log) { + if (module_spec.GetUUIDPtr() && module_spec.GetUUIDPtr()->IsValid()) { + log->Printf( + "Searching for dSYM bundle next to executable %s, UUID %s", + path, module_spec.GetUUIDPtr()->GetAsString().c_str()); + } else { + log->Printf("Searching for dSYM bundle next to executable %s", + path); + } + } + size_t obj_file_path_length = strlen(path); + ::strncat(path, ".dSYM/Contents/Resources/DWARF/", + sizeof(path) - strlen(path) - 1); + ::strncat(path, exec_fspec->GetFilename().AsCString(), + sizeof(path) - strlen(path) - 1); + + dsym_fspec.SetFile(path, false); + + ModuleSpecList module_specs; + ModuleSpec matched_module_spec; + if (dsym_fspec.Exists() && + FileAtPathContainsArchAndUUID(dsym_fspec, + module_spec.GetArchitecturePtr(), + module_spec.GetUUIDPtr())) { + if (log) { + log->Printf("dSYM with matching UUID & arch found at %s", path); + } + return true; + } else { + path[obj_file_path_length] = '\0'; + + char *last_dot = strrchr(path, '.'); + while (last_dot != NULL && last_dot[0]) { + char *next_slash = strchr(last_dot, '/'); + if (next_slash != NULL) { + *next_slash = '\0'; + ::strncat(path, ".dSYM/Contents/Resources/DWARF/", + sizeof(path) - strlen(path) - 1); + ::strncat(path, exec_fspec->GetFilename().AsCString(), + sizeof(path) - strlen(path) - 1); + dsym_fspec.SetFile(path, false); + if (dsym_fspec.Exists() && + FileAtPathContainsArchAndUUID( + dsym_fspec, module_spec.GetArchitecturePtr(), + module_spec.GetUUIDPtr())) { + if (log) { + log->Printf("dSYM with matching UUID & arch found at %s", + path); } + return true; + } else { + *last_dot = '\0'; + char *prev_slash = strrchr(path, '/'); + if (prev_slash != NULL) + *prev_slash = '\0'; else - { - path[obj_file_path_length] = '\0'; - - char *last_dot = strrchr(path, '.'); - while (last_dot != NULL && last_dot[0]) - { - char *next_slash = strchr(last_dot, '/'); - if (next_slash != NULL) - { - *next_slash = '\0'; - ::strncat(path, ".dSYM/Contents/Resources/DWARF/", sizeof(path) - strlen(path) - 1); - ::strncat(path, exec_fspec->GetFilename().AsCString(), sizeof(path) - strlen(path) - 1); - dsym_fspec.SetFile(path, false); - if (dsym_fspec.Exists() && - FileAtPathContainsArchAndUUID(dsym_fspec, module_spec.GetArchitecturePtr(), module_spec.GetUUIDPtr())) - { - if (log) - { - log->Printf ("dSYM with matching UUID & arch found at %s", path); - } - return true; - } - else - { - *last_dot = '\0'; - char *prev_slash = strrchr(path, '/'); - if (prev_slash != NULL) - *prev_slash = '\0'; - else - break; - } - } - else - { - break; - } - } - } + break; + } + } else { + break; } + } } + } } - dsym_fspec.Clear(); - return false; + } + dsym_fspec.Clear(); + return false; } -FileSpec -LocateExecutableSymbolFileDsym (const ModuleSpec &module_spec) -{ - const FileSpec *exec_fspec = module_spec.GetFileSpecPtr(); - const ArchSpec *arch = module_spec.GetArchitecturePtr(); - const UUID *uuid = module_spec.GetUUIDPtr(); - - Timer scoped_timer (__PRETTY_FUNCTION__, - "LocateExecutableSymbolFileDsym (file = %s, arch = %s, uuid = %p)", - exec_fspec ? exec_fspec->GetFilename().AsCString ("<NULL>") : "<NULL>", - arch ? arch->GetArchitectureName() : "<NULL>", - (const void*)uuid); - - FileSpec symbol_fspec; - ModuleSpec dsym_module_spec; - // First try and find the dSYM in the same directory as the executable or in - // an appropriate parent directory - if (LocateDSYMInVincinityOfExecutable (module_spec, symbol_fspec) == false) - { - // We failed to easily find the dSYM above, so use DebugSymbols - LocateMacOSXFilesUsingDebugSymbols (module_spec, dsym_module_spec); - } - else - { - dsym_module_spec.GetSymbolFileSpec() = symbol_fspec; - } - return dsym_module_spec.GetSymbolFileSpec(); +FileSpec LocateExecutableSymbolFileDsym(const ModuleSpec &module_spec) { + const FileSpec *exec_fspec = module_spec.GetFileSpecPtr(); + const ArchSpec *arch = module_spec.GetArchitecturePtr(); + const UUID *uuid = module_spec.GetUUIDPtr(); + + Timer scoped_timer( + LLVM_PRETTY_FUNCTION, + "LocateExecutableSymbolFileDsym (file = %s, arch = %s, uuid = %p)", + exec_fspec ? exec_fspec->GetFilename().AsCString("<NULL>") : "<NULL>", + arch ? arch->GetArchitectureName() : "<NULL>", (const void *)uuid); + + FileSpec symbol_fspec; + ModuleSpec dsym_module_spec; + // First try and find the dSYM in the same directory as the executable or in + // an appropriate parent directory + if (LocateDSYMInVincinityOfExecutable(module_spec, symbol_fspec) == false) { + // We failed to easily find the dSYM above, so use DebugSymbols + LocateMacOSXFilesUsingDebugSymbols(module_spec, dsym_module_spec); + } else { + dsym_module_spec.GetSymbolFileSpec() = symbol_fspec; + } + return dsym_module_spec.GetSymbolFileSpec(); } -ModuleSpec -Symbols::LocateExecutableObjectFile (const ModuleSpec &module_spec) -{ - ModuleSpec result; - const FileSpec *exec_fspec = module_spec.GetFileSpecPtr(); - const ArchSpec *arch = module_spec.GetArchitecturePtr(); - const UUID *uuid = module_spec.GetUUIDPtr(); - Timer scoped_timer (__PRETTY_FUNCTION__, - "LocateExecutableObjectFile (file = %s, arch = %s, uuid = %p)", - exec_fspec ? exec_fspec->GetFilename().AsCString ("<NULL>") : "<NULL>", - arch ? arch->GetArchitectureName() : "<NULL>", - (const void*)uuid); - - ModuleSpecList module_specs; - ModuleSpec matched_module_spec; - if (exec_fspec && - ObjectFile::GetModuleSpecifications(*exec_fspec, 0, 0, module_specs) && - module_specs.FindMatchingModuleSpec(module_spec, matched_module_spec)) - { - result.GetFileSpec() = exec_fspec; - } - else - { - LocateMacOSXFilesUsingDebugSymbols (module_spec, result); - } - return result; +ModuleSpec Symbols::LocateExecutableObjectFile(const ModuleSpec &module_spec) { + ModuleSpec result; + const FileSpec *exec_fspec = module_spec.GetFileSpecPtr(); + const ArchSpec *arch = module_spec.GetArchitecturePtr(); + const UUID *uuid = module_spec.GetUUIDPtr(); + Timer scoped_timer( + LLVM_PRETTY_FUNCTION, + "LocateExecutableObjectFile (file = %s, arch = %s, uuid = %p)", + exec_fspec ? exec_fspec->GetFilename().AsCString("<NULL>") : "<NULL>", + arch ? arch->GetArchitectureName() : "<NULL>", (const void *)uuid); + + ModuleSpecList module_specs; + ModuleSpec matched_module_spec; + if (exec_fspec && + ObjectFile::GetModuleSpecifications(*exec_fspec, 0, 0, module_specs) && + module_specs.FindMatchingModuleSpec(module_spec, matched_module_spec)) { + result.GetFileSpec() = exec_fspec; + } else { + LocateMacOSXFilesUsingDebugSymbols(module_spec, result); + } + return result; } -FileSpec -Symbols::LocateExecutableSymbolFile (const ModuleSpec &module_spec) -{ - FileSpec symbol_file_spec = module_spec.GetSymbolFileSpec(); - if (symbol_file_spec.IsAbsolute() && symbol_file_spec.Exists()) - return symbol_file_spec; +FileSpec Symbols::LocateExecutableSymbolFile(const ModuleSpec &module_spec) { + FileSpec symbol_file_spec = module_spec.GetSymbolFileSpec(); + if (symbol_file_spec.IsAbsolute() && symbol_file_spec.Exists()) + return symbol_file_spec; - const char *symbol_filename = symbol_file_spec.GetFilename().AsCString(); - if (symbol_filename && symbol_filename[0]) - { - FileSpecList debug_file_search_paths (Target::GetDefaultDebugFileSearchPaths()); + const char *symbol_filename = symbol_file_spec.GetFilename().AsCString(); + if (symbol_filename && symbol_filename[0]) { + 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 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 current working directory. + debug_file_search_paths.AppendIfUnique(FileSpec(".", true)); #ifndef LLVM_ON_WIN32 - // Add /usr/lib/debug directory. - debug_file_search_paths.AppendIfUnique (FileSpec("/usr/lib/debug", true)); + // Add /usr/lib/debug directory. + debug_file_search_paths.AppendIfUnique(FileSpec("/usr/lib/debug", true)); #endif // LLVM_ON_WIN32 - 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"; - } + 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"; + } - 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); - - // Some debug files may stored in the module directory like this: - // /usr/lib/debug/usr/lib/library.so.debug - if (!file_dir.IsEmpty()) - files.push_back (dirname + file_dir.AsCString() + "/" + 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 (llvm::sys::fs::equivalent (file_spec.GetPath(), module_spec.GetFileSpec().GetPath())) - 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; - } - } - } + 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); + + // Some debug files may stored in the module directory like this: + // /usr/lib/debug/usr/lib/library.so.debug + if (!file_dir.IsEmpty()) + files.push_back(dirname + file_dir.AsCString() + "/" + 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, true); + + if (llvm::sys::fs::equivalent(file_spec.GetPath(), + module_spec.GetFileSpec().GetPath())) + 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 LocateExecutableSymbolFileDsym(module_spec); + return LocateExecutableSymbolFileDsym(module_spec); } -#if !defined (__APPLE__) +#if !defined(__APPLE__) -FileSpec -Symbols::FindSymbolFileInBundle (const FileSpec& symfile_bundle, - const lldb_private::UUID *uuid, - const ArchSpec *arch) -{ - // FIXME - 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; +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 |