| //===-- CommandObjectSource.cpp ---------------------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "CommandObjectSource.h" |
| |
| // C Includes |
| // C++ Includes |
| // Other libraries and framework includes |
| // Project includes |
| #include "lldb/Core/Debugger.h" |
| #include "lldb/Core/FileLineResolver.h" |
| #include "lldb/Core/Module.h" |
| #include "lldb/Core/ModuleSpec.h" |
| #include "lldb/Core/SourceManager.h" |
| #include "lldb/Interpreter/CommandInterpreter.h" |
| #include "lldb/Interpreter/CommandReturnObject.h" |
| #include "lldb/Host/FileSpec.h" |
| #include "lldb/Host/StringConvert.h" |
| #include "lldb/Symbol/CompileUnit.h" |
| #include "lldb/Symbol/Function.h" |
| #include "lldb/Symbol/Symbol.h" |
| #include "lldb/Target/Process.h" |
| #include "lldb/Target/SectionLoadList.h" |
| #include "lldb/Target/StackFrame.h" |
| #include "lldb/Target/TargetList.h" |
| #include "lldb/Interpreter/CommandCompletions.h" |
| #include "lldb/Interpreter/Options.h" |
| |
| using namespace lldb; |
| using namespace lldb_private; |
| |
| #pragma mark CommandObjectSourceInfo |
| //---------------------------------------------------------------------- |
| // CommandObjectSourceInfo - debug line entries dumping command |
| //---------------------------------------------------------------------- |
| |
| class CommandObjectSourceInfo : public CommandObjectParsed |
| { |
| class CommandOptions : public Options |
| { |
| public: |
| CommandOptions (CommandInterpreter &interpreter) : Options(interpreter) {} |
| |
| ~CommandOptions() override = default; |
| |
| Error |
| SetOptionValue (uint32_t option_idx, const char *option_arg) override |
| { |
| Error error; |
| const int short_option = g_option_table[option_idx].short_option; |
| switch (short_option) |
| { |
| case 'l': |
| start_line = StringConvert::ToUInt32(option_arg, 0); |
| if (start_line == 0) |
| error.SetErrorStringWithFormat("invalid line number: '%s'", option_arg); |
| break; |
| |
| case 'e': |
| end_line = StringConvert::ToUInt32(option_arg, 0); |
| if (end_line == 0) |
| error.SetErrorStringWithFormat("invalid line number: '%s'", option_arg); |
| break; |
| |
| case 'c': |
| num_lines = StringConvert::ToUInt32(option_arg, 0); |
| if (num_lines == 0) |
| error.SetErrorStringWithFormat("invalid line count: '%s'", option_arg); |
| break; |
| |
| case 'f': |
| file_name = option_arg; |
| break; |
| |
| case 'n': |
| symbol_name = option_arg; |
| break; |
| |
| case 'a': |
| { |
| ExecutionContext exe_ctx(m_interpreter.GetExecutionContext()); |
| address = Args::StringToAddress(&exe_ctx, option_arg, LLDB_INVALID_ADDRESS, &error); |
| } |
| break; |
| case 's': |
| modules.push_back(std::string(option_arg)); |
| break; |
| default: |
| error.SetErrorStringWithFormat("unrecognized short option '%c'", short_option); |
| break; |
| } |
| |
| return error; |
| } |
| |
| void |
| OptionParsingStarting () override |
| { |
| file_spec.Clear(); |
| file_name.clear(); |
| symbol_name.clear(); |
| address = LLDB_INVALID_ADDRESS; |
| start_line = 0; |
| end_line = 0; |
| num_lines = 0; |
| modules.clear(); |
| } |
| |
| const OptionDefinition * |
| GetDefinitions () override |
| { |
| return g_option_table; |
| } |
| |
| static OptionDefinition g_option_table[]; |
| |
| // Instance variables to hold the values for command options. |
| FileSpec file_spec; |
| std::string file_name; |
| std::string symbol_name; |
| lldb::addr_t address; |
| uint32_t start_line; |
| uint32_t end_line; |
| uint32_t num_lines; |
| STLStringArray modules; |
| }; |
| |
| public: |
| CommandObjectSourceInfo(CommandInterpreter &interpreter) |
| : CommandObjectParsed(interpreter, "source info", "Display source line information for the current target " |
| "process. Defaults to instruction pointer in current stack " |
| "frame.", |
| nullptr, eCommandRequiresTarget), |
| m_options(interpreter) |
| { |
| } |
| |
| ~CommandObjectSourceInfo() override = default; |
| |
| Options * |
| GetOptions () override |
| { |
| return &m_options; |
| } |
| |
| protected: |
| // Dump the line entries in each symbol context. |
| // Return the number of entries found. |
| // If module_list is set, only dump lines contained in one of the modules. |
| // If file_spec is set, only dump lines in the file. |
| // If the start_line option was specified, don't print lines less than start_line. |
| // If the end_line option was specified, don't print lines greater than end_line. |
| // If the num_lines option was specified, dont print more than num_lines entries. |
| uint32_t |
| DumpLinesInSymbolContexts (Stream &strm, const SymbolContextList &sc_list, |
| const ModuleList &module_list, const FileSpec &file_spec) |
| { |
| uint32_t start_line = m_options.start_line; |
| uint32_t end_line = m_options.end_line; |
| uint32_t num_lines = m_options.num_lines; |
| Target *target = m_exe_ctx.GetTargetPtr(); |
| |
| uint32_t num_matches = 0; |
| bool has_path = false; |
| if (file_spec) |
| { |
| assert(file_spec.GetFilename().AsCString()); |
| has_path = (file_spec.GetDirectory().AsCString() != nullptr); |
| } |
| |
| // Dump all the line entries for the file in the list. |
| ConstString last_module_file_name; |
| uint32_t num_scs = sc_list.GetSize(); |
| for (uint32_t i = 0; i < num_scs; ++i) |
| { |
| SymbolContext sc; |
| sc_list.GetContextAtIndex(i, sc); |
| if (sc.comp_unit) |
| { |
| Module *module = sc.module_sp.get(); |
| CompileUnit *cu = sc.comp_unit; |
| const LineEntry &line_entry = sc.line_entry; |
| assert(module && cu); |
| |
| // Are we looking for specific modules, files or lines? |
| if (module_list.GetSize() && module_list.GetIndexForModule(module) == LLDB_INVALID_INDEX32) |
| continue; |
| if (file_spec && !lldb_private::FileSpec::Equal(file_spec, line_entry.file, has_path)) |
| continue; |
| if (start_line > 0 && line_entry.line < start_line) |
| continue; |
| if (end_line > 0 && line_entry.line > end_line) |
| continue; |
| if (num_lines > 0 && num_matches > num_lines) |
| continue; |
| |
| // Print a new header if the module changed. |
| const ConstString &module_file_name = module->GetFileSpec().GetFilename(); |
| assert(module_file_name); |
| if (module_file_name != last_module_file_name) |
| { |
| if (num_matches > 0) |
| strm << "\n\n"; |
| strm << "Lines found in module `" << module_file_name << "\n"; |
| } |
| // Dump the line entry. |
| line_entry.GetDescription(&strm, lldb::eDescriptionLevelBrief, cu, |
| target, /*show_address_only=*/false); |
| strm << "\n"; |
| last_module_file_name = module_file_name; |
| num_matches++; |
| } |
| } |
| return num_matches; |
| } |
| |
| // Dump the requested line entries for the file in the compilation unit. |
| // Return the number of entries found. |
| // If module_list is set, only dump lines contained in one of the modules. |
| // If the start_line option was specified, don't print lines less than start_line. |
| // If the end_line option was specified, don't print lines greater than end_line. |
| // If the num_lines option was specified, dont print more than num_lines entries. |
| uint32_t |
| DumpFileLinesInCompUnit (Stream &strm, Module *module, CompileUnit *cu, const FileSpec &file_spec) |
| { |
| uint32_t start_line = m_options.start_line; |
| uint32_t end_line = m_options.end_line; |
| uint32_t num_lines = m_options.num_lines; |
| Target *target = m_exe_ctx.GetTargetPtr(); |
| |
| uint32_t num_matches = 0; |
| assert(module); |
| if (cu) |
| { |
| assert(file_spec.GetFilename().AsCString()); |
| bool has_path = (file_spec.GetDirectory().AsCString() != nullptr); |
| const FileSpecList &cu_file_list = cu->GetSupportFiles(); |
| size_t file_idx = cu_file_list.FindFileIndex(0, file_spec, has_path); |
| if (file_idx != UINT32_MAX) |
| { |
| // Update the file to how it appears in the CU. |
| const FileSpec &cu_file_spec = cu_file_list.GetFileSpecAtIndex(file_idx); |
| |
| // Dump all matching lines at or above start_line for the file in the CU. |
| const ConstString &file_spec_name = file_spec.GetFilename(); |
| const ConstString &module_file_name = module->GetFileSpec().GetFilename(); |
| bool cu_header_printed = false; |
| uint32_t line = start_line; |
| while (true) |
| { |
| LineEntry line_entry; |
| |
| // Find the lowest index of a line entry with a line equal to |
| // or higher than 'line'. |
| uint32_t start_idx = 0; |
| start_idx = cu->FindLineEntry(start_idx, line, &cu_file_spec, |
| /*exact=*/false, &line_entry); |
| if (start_idx == UINT32_MAX) |
| // No more line entries for our file in this CU. |
| break; |
| |
| if (end_line > 0 && line_entry.line > end_line) |
| break; |
| |
| // Loop through to find any other entries for this line, dumping each. |
| line = line_entry.line; |
| do |
| { |
| num_matches++; |
| if (num_lines > 0 && num_matches > num_lines) |
| break; |
| assert(lldb_private::FileSpec::Equal(cu_file_spec, line_entry.file, has_path)); |
| if (!cu_header_printed) |
| { |
| if (num_matches > 0) |
| strm << "\n\n"; |
| strm << "Lines found for file " << file_spec_name |
| << " in compilation unit " << cu->GetFilename() |
| << " in `" << module_file_name << "\n"; |
| cu_header_printed = true; |
| } |
| line_entry.GetDescription(&strm, lldb::eDescriptionLevelBrief, cu, |
| target, /*show_address_only=*/false); |
| strm << "\n"; |
| |
| // Anymore after this one? |
| start_idx++; |
| start_idx = cu->FindLineEntry(start_idx, line, &cu_file_spec, |
| /*exact=*/true, &line_entry); |
| } while (start_idx != UINT32_MAX); |
| |
| // Try the next higher line, starting over at start_idx 0. |
| line++; |
| } |
| } |
| } |
| return num_matches; |
| } |
| |
| // Dump the requested line entries for the file in the module. |
| // Return the number of entries found. |
| // If module_list is set, only dump lines contained in one of the modules. |
| // If the start_line option was specified, don't print lines less than start_line. |
| // If the end_line option was specified, don't print lines greater than end_line. |
| // If the num_lines option was specified, dont print more than num_lines entries. |
| uint32_t |
| DumpFileLinesInModule (Stream &strm, Module *module, const FileSpec &file_spec) |
| { |
| uint32_t num_matches = 0; |
| if (module) |
| { |
| // Look through all the compilation units (CUs) in this module for ones that |
| // contain lines of code from this source file. |
| for (size_t i = 0; i < module->GetNumCompileUnits(); i++) |
| { |
| // Look for a matching source file in this CU. |
| CompUnitSP cu_sp(module->GetCompileUnitAtIndex(i)); |
| if (cu_sp) |
| { |
| num_matches += DumpFileLinesInCompUnit(strm, module, cu_sp.get(), file_spec); |
| } |
| } |
| } |
| return num_matches; |
| } |
| |
| // Given an address and a list of modules, append the symbol contexts of all line entries |
| // containing the address found in the modules and return the count of matches. If none |
| // is found, return an error in 'error_strm'. |
| size_t |
| GetSymbolContextsForAddress (const ModuleList &module_list, lldb::addr_t addr, |
| SymbolContextList &sc_list, StreamString &error_strm) |
| { |
| Address so_addr; |
| size_t num_matches = 0; |
| assert(module_list.GetSize() > 0); |
| Target *target = m_exe_ctx.GetTargetPtr(); |
| if (target->GetSectionLoadList().IsEmpty()) |
| { |
| // The target isn't loaded yet, we need to lookup the file address in |
| // all modules. Note: the module list option does not apply to addresses. |
| const size_t num_modules = module_list.GetSize(); |
| for (size_t i = 0; i < num_modules; ++i) |
| { |
| ModuleSP module_sp(module_list.GetModuleAtIndex(i)); |
| if (!module_sp) |
| continue; |
| if (module_sp->ResolveFileAddress(addr, so_addr)) |
| { |
| SymbolContext sc; |
| sc.Clear(true); |
| if (module_sp->ResolveSymbolContextForAddress(so_addr, eSymbolContextEverything, sc) & |
| eSymbolContextLineEntry) |
| { |
| sc_list.AppendIfUnique(sc, /*merge_symbol_into_function=*/false); |
| ++num_matches; |
| } |
| } |
| } |
| if (num_matches == 0) |
| error_strm.Printf("Source information for file address 0x%" PRIx64 |
| " not found in any modules.\n", addr); |
| } |
| else |
| { |
| // The target has some things loaded, resolve this address to a |
| // compile unit + file + line and display |
| if (target->GetSectionLoadList().ResolveLoadAddress(addr, so_addr)) |
| { |
| ModuleSP module_sp(so_addr.GetModule()); |
| // Check to make sure this module is in our list. |
| if (module_sp && |
| module_list.GetIndexForModule(module_sp.get()) != LLDB_INVALID_INDEX32) |
| { |
| SymbolContext sc; |
| sc.Clear(true); |
| if (module_sp->ResolveSymbolContextForAddress(so_addr, eSymbolContextEverything, sc) & |
| eSymbolContextLineEntry) |
| { |
| sc_list.AppendIfUnique(sc, /*merge_symbol_into_function=*/false); |
| ++num_matches; |
| } |
| else |
| { |
| StreamString addr_strm; |
| so_addr.Dump(&addr_strm, nullptr, Address::DumpStyleModuleWithFileAddress); |
| error_strm.Printf("Address 0x%" PRIx64 " resolves to %s, but there is" |
| " no source information available for this address.\n", |
| addr, addr_strm.GetData()); |
| } |
| } |
| else |
| { |
| StreamString addr_strm; |
| so_addr.Dump(&addr_strm, nullptr, Address::DumpStyleModuleWithFileAddress); |
| error_strm.Printf("Address 0x%" PRIx64 " resolves to %s, but it cannot" |
| " be found in any modules.\n", |
| addr, addr_strm.GetData()); |
| } |
| } |
| else |
| error_strm.Printf("Unable to resolve address 0x%" PRIx64 ".\n", addr); |
| } |
| return num_matches; |
| } |
| |
| // Dump the line entries found in functions matching the name specified in the option. |
| bool |
| DumpLinesInFunctions (CommandReturnObject &result) |
| { |
| SymbolContextList sc_list_funcs; |
| ConstString name(m_options.symbol_name.c_str()); |
| SymbolContextList sc_list_lines; |
| Target *target = m_exe_ctx.GetTargetPtr(); |
| uint32_t addr_byte_size = target->GetArchitecture().GetAddressByteSize(); |
| |
| // Note: module_list can't be const& because FindFunctionSymbols isn't const. |
| ModuleList module_list = (m_module_list.GetSize() > 0) ? |
| m_module_list : target->GetImages(); |
| size_t num_matches = module_list.FindFunctions(name, |
| eFunctionNameTypeAuto, |
| /*include_symbols=*/false, |
| /*include_inlines=*/true, |
| /*append=*/true, |
| sc_list_funcs); |
| if (!num_matches) |
| { |
| // If we didn't find any functions with that name, try searching for |
| // symbols that line up exactly with function addresses. |
| SymbolContextList sc_list_symbols; |
| size_t num_symbol_matches = module_list.FindFunctionSymbols(name, |
| eFunctionNameTypeAuto, |
| sc_list_symbols); |
| for (size_t i = 0; i < num_symbol_matches; i++) |
| { |
| SymbolContext sc; |
| sc_list_symbols.GetContextAtIndex(i, sc); |
| if (sc.symbol && sc.symbol->ValueIsAddress()) |
| { |
| const Address &base_address = sc.symbol->GetAddressRef(); |
| Function *function = base_address.CalculateSymbolContextFunction(); |
| if (function) |
| { |
| sc_list_funcs.Append(SymbolContext(function)); |
| num_matches++; |
| } |
| } |
| } |
| } |
| if (num_matches == 0) |
| { |
| result.AppendErrorWithFormat("Could not find function named \'%s\'.\n", |
| m_options.symbol_name.c_str()); |
| return false; |
| } |
| for (size_t i = 0; i < num_matches; i++) |
| { |
| SymbolContext sc; |
| sc_list_funcs.GetContextAtIndex(i, sc); |
| bool context_found_for_symbol = false; |
| // Loop through all the ranges in the function. |
| AddressRange range; |
| for (uint32_t r = 0; |
| sc.GetAddressRange(eSymbolContextEverything, |
| r, |
| /*use_inline_block_range=*/true, |
| range); |
| ++r) |
| { |
| // Append the symbol contexts for each address in the range to sc_list_lines. |
| const Address &base_address = range.GetBaseAddress(); |
| const addr_t size = range.GetByteSize(); |
| lldb::addr_t start_addr = base_address.GetLoadAddress(target); |
| if (start_addr == LLDB_INVALID_ADDRESS) |
| start_addr = base_address.GetFileAddress(); |
| lldb::addr_t end_addr = start_addr + size; |
| for (lldb::addr_t addr = start_addr; addr < end_addr; addr += addr_byte_size) |
| { |
| StreamString error_strm; |
| if (!GetSymbolContextsForAddress(module_list, addr, sc_list_lines, error_strm)) |
| result.AppendWarningWithFormat("in symbol '%s': %s", |
| sc.GetFunctionName().AsCString(), |
| error_strm.GetData()); |
| else |
| context_found_for_symbol = true; |
| } |
| } |
| if (!context_found_for_symbol) |
| result.AppendWarningWithFormat("Unable to find line information" |
| " for matching symbol '%s'.\n", |
| sc.GetFunctionName().AsCString()); |
| } |
| if (sc_list_lines.GetSize() == 0) |
| { |
| result.AppendErrorWithFormat("No line information could be found" |
| " for any symbols matching '%s'.\n", |
| name.AsCString()); |
| return false; |
| } |
| FileSpec file_spec; |
| if (!DumpLinesInSymbolContexts(result.GetOutputStream(), |
| sc_list_lines, module_list, file_spec)) |
| { |
| result.AppendErrorWithFormat("Unable to dump line information for symbol '%s'.\n", |
| name.AsCString()); |
| return false; |
| } |
| return true; |
| } |
| |
| // Dump the line entries found for the address specified in the option. |
| bool |
| DumpLinesForAddress (CommandReturnObject &result) |
| { |
| Target *target = m_exe_ctx.GetTargetPtr(); |
| SymbolContextList sc_list; |
| |
| StreamString error_strm; |
| if (!GetSymbolContextsForAddress(target->GetImages(), m_options.address, sc_list, error_strm)) |
| { |
| result.AppendErrorWithFormat("%s.\n", error_strm.GetData()); |
| return false; |
| } |
| ModuleList module_list; |
| FileSpec file_spec; |
| if (!DumpLinesInSymbolContexts(result.GetOutputStream(), |
| sc_list, module_list, file_spec)) |
| { |
| result.AppendErrorWithFormat("No modules contain load address 0x%" PRIx64 ".\n", |
| m_options.address); |
| return false; |
| } |
| return true; |
| } |
| |
| // Dump the line entries found in the file specified in the option. |
| bool |
| DumpLinesForFile (CommandReturnObject &result) |
| { |
| FileSpec file_spec(m_options.file_name, false); |
| const char *filename = m_options.file_name.c_str(); |
| Target *target = m_exe_ctx.GetTargetPtr(); |
| const ModuleList &module_list = (m_module_list.GetSize() > 0) ? |
| m_module_list : target->GetImages(); |
| |
| bool displayed_something = false; |
| const size_t num_modules = module_list.GetSize(); |
| for (uint32_t i = 0; i < num_modules; ++i) |
| { |
| // Dump lines for this module. |
| Module *module = module_list.GetModulePointerAtIndex(i); |
| assert(module); |
| if (DumpFileLinesInModule(result.GetOutputStream(), module, file_spec)) |
| displayed_something = true; |
| } |
| if (!displayed_something) |
| { |
| result.AppendErrorWithFormat("No source filenames matched '%s'.\n", filename); |
| return false; |
| } |
| return true; |
| } |
| |
| // Dump the line entries for the current frame. |
| bool |
| DumpLinesForFrame (CommandReturnObject &result) |
| { |
| StackFrame *cur_frame = m_exe_ctx.GetFramePtr(); |
| if (cur_frame == nullptr) |
| { |
| result.AppendError("No selected frame to use to find the default source."); |
| return false; |
| } |
| else if (!cur_frame->HasDebugInformation()) |
| { |
| result.AppendError("No debug info for the selected frame."); |
| return false; |
| } |
| else |
| { |
| const SymbolContext &sc = cur_frame->GetSymbolContext(eSymbolContextLineEntry); |
| SymbolContextList sc_list; |
| sc_list.Append(sc); |
| ModuleList module_list; |
| FileSpec file_spec; |
| if (!DumpLinesInSymbolContexts(result.GetOutputStream(), sc_list, module_list, file_spec)) |
| { |
| result.AppendError("No source line info available for the selected frame."); |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| bool |
| DoExecute (Args &command, CommandReturnObject &result) override |
| { |
| const size_t argc = command.GetArgumentCount(); |
| |
| if (argc != 0) |
| { |
| result.AppendErrorWithFormat("'%s' takes no arguments, only flags.\n", |
| GetCommandName()); |
| result.SetStatus(eReturnStatusFailed); |
| return false; |
| } |
| |
| Target *target = m_exe_ctx.GetTargetPtr(); |
| if (target == nullptr) |
| { |
| target = m_interpreter.GetDebugger().GetSelectedTarget().get(); |
| if (target == nullptr) |
| { |
| result.AppendError("invalid target, create a debug target using the " |
| "'target create' command."); |
| result.SetStatus(eReturnStatusFailed); |
| return false; |
| } |
| } |
| |
| uint32_t addr_byte_size = target->GetArchitecture().GetAddressByteSize(); |
| result.GetOutputStream().SetAddressByteSize(addr_byte_size); |
| result.GetErrorStream().SetAddressByteSize(addr_byte_size); |
| |
| // Collect the list of modules to search. |
| m_module_list.Clear(); |
| if (!m_options.modules.empty()) |
| { |
| for (size_t i = 0, e = m_options.modules.size(); i < e; ++i) |
| { |
| FileSpec module_file_spec(m_options.modules[i].c_str(), false); |
| if (module_file_spec) |
| { |
| ModuleSpec module_spec(module_file_spec); |
| if (target->GetImages().FindModules(module_spec, m_module_list) == 0) |
| result.AppendWarningWithFormat("No module found for '%s'.\n", |
| m_options.modules[i].c_str()); |
| } |
| } |
| if (!m_module_list.GetSize()) |
| { |
| result.AppendError("No modules match the input."); |
| result.SetStatus(eReturnStatusFailed); |
| return false; |
| } |
| } |
| else if (target->GetImages().GetSize() == 0) |
| { |
| result.AppendError("The target has no associated executable images."); |
| result.SetStatus(eReturnStatusFailed); |
| return false; |
| } |
| |
| // Check the arguments to see what lines we should dump. |
| if (!m_options.symbol_name.empty()) |
| { |
| // Print lines for symbol. |
| if (DumpLinesInFunctions(result)) |
| result.SetStatus(eReturnStatusSuccessFinishResult); |
| else |
| result.SetStatus(eReturnStatusFailed); |
| } |
| else if (m_options.address != LLDB_INVALID_ADDRESS) |
| { |
| // Print lines for an address. |
| if (DumpLinesForAddress(result)) |
| result.SetStatus(eReturnStatusSuccessFinishResult); |
| else |
| result.SetStatus(eReturnStatusFailed); |
| } |
| else if (!m_options.file_name.empty()) |
| { |
| // Dump lines for a file. |
| if (DumpLinesForFile(result)) |
| result.SetStatus(eReturnStatusSuccessFinishResult); |
| else |
| result.SetStatus(eReturnStatusFailed); |
| } |
| else |
| { |
| // Dump the line for the current frame. |
| if (DumpLinesForFrame(result)) |
| result.SetStatus(eReturnStatusSuccessFinishResult); |
| else |
| result.SetStatus(eReturnStatusFailed); |
| } |
| return result.Succeeded(); |
| } |
| |
| CommandOptions m_options; |
| ModuleList m_module_list; |
| }; |
| |
| OptionDefinition CommandObjectSourceInfo::CommandOptions::g_option_table[] = { |
| {LLDB_OPT_SET_ALL, false, "count", 'c', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypeCount, |
| "The number of line entries to display."}, |
| {LLDB_OPT_SET_1 | LLDB_OPT_SET_2, false, "shlib", 's', OptionParser::eRequiredArgument, nullptr, nullptr, |
| CommandCompletions::eModuleCompletion, eArgTypeShlibName, |
| "Look up the source in the given module or shared library (can be " |
| "specified more than once)."}, |
| {LLDB_OPT_SET_1, false, "file", 'f', OptionParser::eRequiredArgument, nullptr, nullptr, |
| CommandCompletions::eSourceFileCompletion, eArgTypeFilename, "The file from which to display source."}, |
| {LLDB_OPT_SET_1, false, "line", 'l', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypeLineNum, |
| "The line number at which to start the displaying lines."}, |
| {LLDB_OPT_SET_1, false, "end-line", 'e', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypeLineNum, |
| "The line number at which to stop displaying lines."}, |
| {LLDB_OPT_SET_2, false, "name", 'n', OptionParser::eRequiredArgument, nullptr, nullptr, |
| CommandCompletions::eSymbolCompletion, eArgTypeSymbol, "The name of a function whose source to display."}, |
| {LLDB_OPT_SET_3, false, "address", 'a', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypeAddressOrExpression, |
| "Lookup the address and display the source information for the " |
| "corresponding file and line."}, |
| {0, false, nullptr, 0, 0, nullptr, nullptr, 0, eArgTypeNone, nullptr} |
| }; |
| |
| #pragma mark CommandObjectSourceList |
| //------------------------------------------------------------------------- |
| // CommandObjectSourceList |
| //------------------------------------------------------------------------- |
| |
| class CommandObjectSourceList : public CommandObjectParsed |
| { |
| class CommandOptions : public Options |
| { |
| public: |
| CommandOptions (CommandInterpreter &interpreter) : |
| Options(interpreter) |
| { |
| } |
| |
| ~CommandOptions() override = default; |
| |
| Error |
| SetOptionValue (uint32_t option_idx, const char *option_arg) override |
| { |
| Error error; |
| const int short_option = g_option_table[option_idx].short_option; |
| switch (short_option) |
| { |
| case 'l': |
| start_line = StringConvert::ToUInt32 (option_arg, 0); |
| if (start_line == 0) |
| error.SetErrorStringWithFormat("invalid line number: '%s'", option_arg); |
| break; |
| |
| case 'c': |
| num_lines = StringConvert::ToUInt32 (option_arg, 0); |
| if (num_lines == 0) |
| error.SetErrorStringWithFormat("invalid line count: '%s'", option_arg); |
| break; |
| |
| case 'f': |
| file_name = option_arg; |
| break; |
| |
| case 'n': |
| symbol_name = option_arg; |
| break; |
| |
| case 'a': |
| { |
| ExecutionContext exe_ctx (m_interpreter.GetExecutionContext()); |
| address = Args::StringToAddress(&exe_ctx, option_arg, LLDB_INVALID_ADDRESS, &error); |
| } |
| break; |
| case 's': |
| modules.push_back (std::string (option_arg)); |
| break; |
| |
| case 'b': |
| show_bp_locs = true; |
| break; |
| case 'r': |
| reverse = true; |
| break; |
| default: |
| error.SetErrorStringWithFormat("unrecognized short option '%c'", short_option); |
| break; |
| } |
| |
| return error; |
| } |
| |
| void |
| OptionParsingStarting () override |
| { |
| file_spec.Clear(); |
| file_name.clear(); |
| symbol_name.clear(); |
| address = LLDB_INVALID_ADDRESS; |
| start_line = 0; |
| num_lines = 0; |
| show_bp_locs = false; |
| reverse = false; |
| modules.clear(); |
| } |
| |
| const OptionDefinition* |
| GetDefinitions () override |
| { |
| return g_option_table; |
| } |
| |
| static OptionDefinition g_option_table[]; |
| |
| // Instance variables to hold the values for command options. |
| FileSpec file_spec; |
| std::string file_name; |
| std::string symbol_name; |
| lldb::addr_t address; |
| uint32_t start_line; |
| uint32_t num_lines; |
| STLStringArray modules; |
| bool show_bp_locs; |
| bool reverse; |
| }; |
| |
| public: |
| CommandObjectSourceList(CommandInterpreter &interpreter) |
| : CommandObjectParsed(interpreter, "source list", |
| "Display source code for the current target process as specified by options.", nullptr, |
| eCommandRequiresTarget), |
| m_options(interpreter) |
| { |
| } |
| |
| ~CommandObjectSourceList() override = default; |
| |
| Options * |
| GetOptions () override |
| { |
| return &m_options; |
| } |
| |
| const char * |
| GetRepeatCommand (Args ¤t_command_args, uint32_t index) override |
| { |
| // This is kind of gross, but the command hasn't been parsed yet so we can't look at the option |
| // values for this invocation... I have to scan the arguments directly. |
| size_t num_args = current_command_args.GetArgumentCount(); |
| bool is_reverse = false; |
| for (size_t i = 0; i < num_args; i++) |
| { |
| const char *arg = current_command_args.GetArgumentAtIndex(i); |
| if (arg && (strcmp(arg, "-r") == 0 || strcmp(arg, "--reverse") == 0)) |
| { |
| is_reverse = true; |
| } |
| } |
| if (is_reverse) |
| { |
| if (m_reverse_name.empty()) |
| { |
| m_reverse_name = m_cmd_name; |
| m_reverse_name.append (" -r"); |
| } |
| return m_reverse_name.c_str(); |
| } |
| else |
| return m_cmd_name.c_str(); |
| } |
| |
| protected: |
| struct SourceInfo |
| { |
| ConstString function; |
| LineEntry line_entry; |
| |
| SourceInfo (const ConstString &name, const LineEntry &line_entry) : |
| function(name), |
| line_entry(line_entry) |
| { |
| } |
| |
| SourceInfo () : |
| function(), |
| line_entry() |
| { |
| } |
| |
| bool |
| IsValid () const |
| { |
| return (bool)function && line_entry.IsValid(); |
| } |
| |
| bool |
| operator == (const SourceInfo &rhs) const |
| { |
| return function == rhs.function && |
| line_entry.original_file == rhs.line_entry.original_file && |
| line_entry.line == rhs.line_entry.line; |
| } |
| |
| bool |
| operator != (const SourceInfo &rhs) const |
| { |
| return function != rhs.function || |
| line_entry.original_file != rhs.line_entry.original_file || |
| line_entry.line != rhs.line_entry.line; |
| } |
| |
| bool |
| operator < (const SourceInfo &rhs) const |
| { |
| if (function.GetCString() < rhs.function.GetCString()) |
| return true; |
| if (line_entry.file.GetDirectory().GetCString() < rhs.line_entry.file.GetDirectory().GetCString()) |
| return true; |
| if (line_entry.file.GetFilename().GetCString() < rhs.line_entry.file.GetFilename().GetCString()) |
| return true; |
| if (line_entry.line < rhs.line_entry.line) |
| return true; |
| return false; |
| } |
| }; |
| |
| size_t |
| DisplayFunctionSource (const SymbolContext &sc, |
| SourceInfo &source_info, |
| CommandReturnObject &result) |
| { |
| if (!source_info.IsValid()) |
| { |
| source_info.function = sc.GetFunctionName(); |
| source_info.line_entry = sc.GetFunctionStartLineEntry(); |
| } |
| |
| if (sc.function) |
| { |
| Target *target = m_exe_ctx.GetTargetPtr(); |
| |
| FileSpec start_file; |
| uint32_t start_line; |
| uint32_t end_line; |
| FileSpec end_file; |
| |
| if (sc.block == nullptr) |
| { |
| // Not an inlined function |
| sc.function->GetStartLineSourceInfo (start_file, start_line); |
| if (start_line == 0) |
| { |
| result.AppendErrorWithFormat("Could not find line information for start of function: \"%s\".\n", source_info.function.GetCString()); |
| result.SetStatus (eReturnStatusFailed); |
| return 0; |
| } |
| sc.function->GetEndLineSourceInfo (end_file, end_line); |
| } |
| else |
| { |
| // We have an inlined function |
| start_file = source_info.line_entry.file; |
| start_line = source_info.line_entry.line; |
| end_line = start_line + m_options.num_lines; |
| } |
| |
| // This is a little hacky, but the first line table entry for a function points to the "{" that |
| // starts the function block. It would be nice to actually get the function |
| // declaration in there too. So back up a bit, but not further than what you're going to display. |
| uint32_t extra_lines; |
| if (m_options.num_lines >= 10) |
| extra_lines = 5; |
| else |
| extra_lines = m_options.num_lines/2; |
| uint32_t line_no; |
| if (start_line <= extra_lines) |
| line_no = 1; |
| else |
| line_no = start_line - extra_lines; |
| |
| // For fun, if the function is shorter than the number of lines we're supposed to display, |
| // only display the function... |
| if (end_line != 0) |
| { |
| if (m_options.num_lines > end_line - line_no) |
| m_options.num_lines = end_line - line_no + extra_lines; |
| } |
| |
| m_breakpoint_locations.Clear(); |
| |
| if (m_options.show_bp_locs) |
| { |
| const bool show_inlines = true; |
| m_breakpoint_locations.Reset (start_file, 0, show_inlines); |
| SearchFilterForUnconstrainedSearches target_search_filter (m_exe_ctx.GetTargetSP()); |
| target_search_filter.Search (m_breakpoint_locations); |
| } |
| |
| result.AppendMessageWithFormat("File: %s\n", start_file.GetPath().c_str()); |
| return target->GetSourceManager().DisplaySourceLinesWithLineNumbers (start_file, |
| line_no, |
| 0, |
| m_options.num_lines, |
| "", |
| &result.GetOutputStream(), |
| GetBreakpointLocations ()); |
| } |
| else |
| { |
| result.AppendErrorWithFormat("Could not find function info for: \"%s\".\n", m_options.symbol_name.c_str()); |
| } |
| return 0; |
| } |
| |
| // From Jim: The FindMatchingFunctions / FindMatchingFunctionSymbols functions |
| // "take a possibly empty vector of strings which are names of modules, and |
| // run the two search functions on the subset of the full module list that |
| // matches the strings in the input vector". If we wanted to put these somewhere, |
| // there should probably be a module-filter-list that can be passed to the |
| // various ModuleList::Find* calls, which would either be a vector of string |
| // names or a ModuleSpecList. |
| size_t FindMatchingFunctions (Target *target, const ConstString &name, SymbolContextList& sc_list) |
| { |
| // Displaying the source for a symbol: |
| bool include_inlines = true; |
| bool append = true; |
| bool include_symbols = false; |
| size_t num_matches = 0; |
| |
| if (m_options.num_lines == 0) |
| m_options.num_lines = 10; |
| |
| const size_t num_modules = m_options.modules.size(); |
| if (num_modules > 0) |
| { |
| ModuleList matching_modules; |
| for (size_t i = 0; i < num_modules; ++i) |
| { |
| FileSpec module_file_spec(m_options.modules[i].c_str(), false); |
| if (module_file_spec) |
| { |
| ModuleSpec module_spec (module_file_spec); |
| matching_modules.Clear(); |
| target->GetImages().FindModules (module_spec, matching_modules); |
| num_matches += matching_modules.FindFunctions (name, eFunctionNameTypeAuto, include_symbols, include_inlines, append, sc_list); |
| } |
| } |
| } |
| else |
| { |
| num_matches = target->GetImages().FindFunctions (name, eFunctionNameTypeAuto, include_symbols, include_inlines, append, sc_list); |
| } |
| return num_matches; |
| } |
| |
| size_t FindMatchingFunctionSymbols (Target *target, const ConstString &name, SymbolContextList& sc_list) |
| { |
| size_t num_matches = 0; |
| const size_t num_modules = m_options.modules.size(); |
| if (num_modules > 0) |
| { |
| ModuleList matching_modules; |
| for (size_t i = 0; i < num_modules; ++i) |
| { |
| FileSpec module_file_spec(m_options.modules[i].c_str(), false); |
| if (module_file_spec) |
| { |
| ModuleSpec module_spec (module_file_spec); |
| matching_modules.Clear(); |
| target->GetImages().FindModules (module_spec, matching_modules); |
| num_matches += matching_modules.FindFunctionSymbols (name, eFunctionNameTypeAuto, sc_list); |
| } |
| } |
| } |
| else |
| { |
| num_matches = target->GetImages().FindFunctionSymbols (name, eFunctionNameTypeAuto, sc_list); |
| } |
| return num_matches; |
| } |
| |
| bool |
| DoExecute (Args& command, CommandReturnObject &result) override |
| { |
| const size_t argc = command.GetArgumentCount(); |
| |
| if (argc != 0) |
| { |
| result.AppendErrorWithFormat("'%s' takes no arguments, only flags.\n", GetCommandName()); |
| result.SetStatus (eReturnStatusFailed); |
| return false; |
| } |
| |
| Target *target = m_exe_ctx.GetTargetPtr(); |
| |
| if (!m_options.symbol_name.empty()) |
| { |
| SymbolContextList sc_list; |
| ConstString name(m_options.symbol_name.c_str()); |
| |
| // Displaying the source for a symbol. Search for function named name. |
| size_t num_matches = FindMatchingFunctions (target, name, sc_list); |
| if (!num_matches) |
| { |
| // If we didn't find any functions with that name, try searching for symbols |
| // that line up exactly with function addresses. |
| SymbolContextList sc_list_symbols; |
| size_t num_symbol_matches = FindMatchingFunctionSymbols (target, name, sc_list_symbols); |
| for (size_t i = 0; i < num_symbol_matches; i++) |
| { |
| SymbolContext sc; |
| sc_list_symbols.GetContextAtIndex (i, sc); |
| if (sc.symbol && sc.symbol->ValueIsAddress()) |
| { |
| const Address &base_address = sc.symbol->GetAddressRef(); |
| Function *function = base_address.CalculateSymbolContextFunction(); |
| if (function) |
| { |
| sc_list.Append (SymbolContext(function)); |
| num_matches++; |
| break; |
| } |
| } |
| } |
| } |
| |
| if (num_matches == 0) |
| { |
| result.AppendErrorWithFormat("Could not find function named: \"%s\".\n", m_options.symbol_name.c_str()); |
| result.SetStatus (eReturnStatusFailed); |
| return false; |
| } |
| |
| if (num_matches > 1) |
| { |
| std::set<SourceInfo> source_match_set; |
| |
| bool displayed_something = false; |
| for (size_t i = 0; i < num_matches; i++) |
| { |
| SymbolContext sc; |
| sc_list.GetContextAtIndex (i, sc); |
| SourceInfo source_info (sc.GetFunctionName(), |
| sc.GetFunctionStartLineEntry()); |
| |
| if (source_info.IsValid()) |
| { |
| if (source_match_set.find(source_info) == source_match_set.end()) |
| { |
| source_match_set.insert(source_info); |
| if (DisplayFunctionSource (sc, source_info, result)) |
| displayed_something = true; |
| } |
| } |
| } |
| |
| if (displayed_something) |
| result.SetStatus (eReturnStatusSuccessFinishResult); |
| else |
| result.SetStatus (eReturnStatusFailed); |
| } |
| else |
| { |
| SymbolContext sc; |
| sc_list.GetContextAtIndex (0, sc); |
| SourceInfo source_info; |
| |
| if (DisplayFunctionSource (sc, source_info, result)) |
| { |
| result.SetStatus (eReturnStatusSuccessFinishResult); |
| } |
| else |
| { |
| result.SetStatus (eReturnStatusFailed); |
| } |
| } |
| return result.Succeeded(); |
| } |
| else if (m_options.address != LLDB_INVALID_ADDRESS) |
| { |
| Address so_addr; |
| StreamString error_strm; |
| SymbolContextList sc_list; |
| |
| if (target->GetSectionLoadList().IsEmpty()) |
| { |
| // The target isn't loaded yet, we need to lookup the file address |
| // in all modules |
| const ModuleList &module_list = target->GetImages(); |
| const size_t num_modules = module_list.GetSize(); |
| for (size_t i = 0; i < num_modules; ++i) |
| { |
| ModuleSP module_sp (module_list.GetModuleAtIndex(i)); |
| if (module_sp && module_sp->ResolveFileAddress(m_options.address, so_addr)) |
| { |
| SymbolContext sc; |
| sc.Clear(true); |
| if (module_sp->ResolveSymbolContextForAddress (so_addr, eSymbolContextEverything, sc) & eSymbolContextLineEntry) |
| sc_list.Append(sc); |
| } |
| } |
| |
| if (sc_list.GetSize() == 0) |
| { |
| result.AppendErrorWithFormat("no modules have source information for file address 0x%" PRIx64 ".\n", |
| m_options.address); |
| result.SetStatus (eReturnStatusFailed); |
| return false; |
| } |
| } |
| else |
| { |
| // The target has some things loaded, resolve this address to a |
| // compile unit + file + line and display |
| if (target->GetSectionLoadList().ResolveLoadAddress (m_options.address, so_addr)) |
| { |
| ModuleSP module_sp (so_addr.GetModule()); |
| if (module_sp) |
| { |
| SymbolContext sc; |
| sc.Clear(true); |
| if (module_sp->ResolveSymbolContextForAddress (so_addr, eSymbolContextEverything, sc) & eSymbolContextLineEntry) |
| { |
| sc_list.Append(sc); |
| } |
| else |
| { |
| so_addr.Dump(&error_strm, nullptr, Address::DumpStyleModuleWithFileAddress); |
| result.AppendErrorWithFormat("address resolves to %s, but there is no line table information available for this address.\n", |
| error_strm.GetData()); |
| result.SetStatus (eReturnStatusFailed); |
| return false; |
| } |
| } |
| } |
| |
| if (sc_list.GetSize() == 0) |
| { |
| result.AppendErrorWithFormat("no modules contain load address 0x%" PRIx64 ".\n", m_options.address); |
| result.SetStatus (eReturnStatusFailed); |
| return false; |
| } |
| } |
| uint32_t num_matches = sc_list.GetSize(); |
| for (uint32_t i = 0; i < num_matches; ++i) |
| { |
| SymbolContext sc; |
| sc_list.GetContextAtIndex(i, sc); |
| if (sc.comp_unit) |
| { |
| if (m_options.show_bp_locs) |
| { |
| m_breakpoint_locations.Clear(); |
| const bool show_inlines = true; |
| m_breakpoint_locations.Reset (*sc.comp_unit, 0, show_inlines); |
| SearchFilterForUnconstrainedSearches target_search_filter (target->shared_from_this()); |
| target_search_filter.Search (m_breakpoint_locations); |
| } |
| |
| bool show_fullpaths = true; |
| bool show_module = true; |
| bool show_inlined_frames = true; |
| const bool show_function_arguments = true; |
| const bool show_function_name = true; |
| sc.DumpStopContext(&result.GetOutputStream(), |
| m_exe_ctx.GetBestExecutionContextScope(), |
| sc.line_entry.range.GetBaseAddress(), |
| show_fullpaths, |
| show_module, |
| show_inlined_frames, |
| show_function_arguments, |
| show_function_name); |
| result.GetOutputStream().EOL(); |
| |
| if (m_options.num_lines == 0) |
| m_options.num_lines = 10; |
| |
| size_t lines_to_back_up = m_options.num_lines >= 10 ? 5 : m_options.num_lines/2; |
| |
| target->GetSourceManager().DisplaySourceLinesWithLineNumbers (sc.comp_unit, |
| sc.line_entry.line, |
| lines_to_back_up, |
| m_options.num_lines - lines_to_back_up, |
| "->", |
| &result.GetOutputStream(), |
| GetBreakpointLocations ()); |
| result.SetStatus (eReturnStatusSuccessFinishResult); |
| } |
| } |
| } |
| else if (m_options.file_name.empty()) |
| { |
| // Last valid source manager context, or the current frame if no |
| // valid last context in source manager. |
| // One little trick here, if you type the exact same list command twice in a row, it is |
| // more likely because you typed it once, then typed it again |
| if (m_options.start_line == 0) |
| { |
| if (target->GetSourceManager().DisplayMoreWithLineNumbers (&result.GetOutputStream(), |
| m_options.num_lines, |
| m_options.reverse, |
| GetBreakpointLocations ())) |
| { |
| result.SetStatus (eReturnStatusSuccessFinishResult); |
| } |
| } |
| else |
| { |
| if (m_options.num_lines == 0) |
| m_options.num_lines = 10; |
| |
| if (m_options.show_bp_locs) |
| { |
| SourceManager::FileSP last_file_sp (target->GetSourceManager().GetLastFile ()); |
| if (last_file_sp) |
| { |
| const bool show_inlines = true; |
| m_breakpoint_locations.Reset (last_file_sp->GetFileSpec(), 0, show_inlines); |
| SearchFilterForUnconstrainedSearches target_search_filter (target->shared_from_this()); |
| target_search_filter.Search (m_breakpoint_locations); |
| } |
| } |
| else |
| m_breakpoint_locations.Clear(); |
| |
| if (target->GetSourceManager().DisplaySourceLinesWithLineNumbersUsingLastFile( |
| m_options.start_line, // Line to display |
| m_options.num_lines, // Lines after line to |
| UINT32_MAX, // Don't mark "line" |
| "", // Don't mark "line" |
| &result.GetOutputStream(), |
| GetBreakpointLocations ())) |
| { |
| result.SetStatus (eReturnStatusSuccessFinishResult); |
| } |
| } |
| } |
| else |
| { |
| const char *filename = m_options.file_name.c_str(); |
| |
| bool check_inlines = false; |
| SymbolContextList sc_list; |
| size_t num_matches = 0; |
| |
| if (!m_options.modules.empty()) |
| { |
| ModuleList matching_modules; |
| for (size_t i = 0, e = m_options.modules.size(); i < e; ++i) |
| { |
| FileSpec module_file_spec(m_options.modules[i].c_str(), false); |
| if (module_file_spec) |
| { |
| ModuleSpec module_spec (module_file_spec); |
| matching_modules.Clear(); |
| target->GetImages().FindModules (module_spec, matching_modules); |
| num_matches += matching_modules.ResolveSymbolContextForFilePath (filename, |
| 0, |
| check_inlines, |
| eSymbolContextModule | eSymbolContextCompUnit, |
| sc_list); |
| } |
| } |
| } |
| else |
| { |
| num_matches = target->GetImages().ResolveSymbolContextForFilePath (filename, |
| 0, |
| check_inlines, |
| eSymbolContextModule | eSymbolContextCompUnit, |
| sc_list); |
| } |
| |
| if (num_matches == 0) |
| { |
| result.AppendErrorWithFormat("Could not find source file \"%s\".\n", |
| m_options.file_name.c_str()); |
| result.SetStatus (eReturnStatusFailed); |
| return false; |
| } |
| |
| if (num_matches > 1) |
| { |
| bool got_multiple = false; |
| FileSpec *test_cu_spec = nullptr; |
| |
| for (unsigned i = 0; i < num_matches; i++) |
| { |
| SymbolContext sc; |
| sc_list.GetContextAtIndex(i, sc); |
| if (sc.comp_unit) |
| { |
| if (test_cu_spec) |
| { |
| if (test_cu_spec != static_cast<FileSpec *> (sc.comp_unit)) |
| got_multiple = true; |
| break; |
| } |
| else |
| test_cu_spec = sc.comp_unit; |
| } |
| } |
| if (got_multiple) |
| { |
| result.AppendErrorWithFormat("Multiple source files found matching: \"%s.\"\n", |
| m_options.file_name.c_str()); |
| result.SetStatus (eReturnStatusFailed); |
| return false; |
| } |
| } |
| |
| SymbolContext sc; |
| if (sc_list.GetContextAtIndex(0, sc)) |
| { |
| if (sc.comp_unit) |
| { |
| if (m_options.show_bp_locs) |
| { |
| const bool show_inlines = true; |
| m_breakpoint_locations.Reset (*sc.comp_unit, 0, show_inlines); |
| SearchFilterForUnconstrainedSearches target_search_filter (target->shared_from_this()); |
| target_search_filter.Search (m_breakpoint_locations); |
| } |
| else |
| m_breakpoint_locations.Clear(); |
| |
| if (m_options.num_lines == 0) |
| m_options.num_lines = 10; |
| |
| target->GetSourceManager().DisplaySourceLinesWithLineNumbers (sc.comp_unit, |
| m_options.start_line, |
| 0, |
| m_options.num_lines, |
| "", |
| &result.GetOutputStream(), |
| GetBreakpointLocations ()); |
| |
| result.SetStatus (eReturnStatusSuccessFinishResult); |
| } |
| else |
| { |
| result.AppendErrorWithFormat("No comp unit found for: \"%s.\"\n", |
| m_options.file_name.c_str()); |
| result.SetStatus (eReturnStatusFailed); |
| return false; |
| } |
| } |
| } |
| return result.Succeeded(); |
| } |
| |
| const SymbolContextList * |
| GetBreakpointLocations () |
| { |
| if (m_breakpoint_locations.GetFileLineMatches().GetSize() > 0) |
| return &m_breakpoint_locations.GetFileLineMatches(); |
| return nullptr; |
| } |
| |
| CommandOptions m_options; |
| FileLineResolver m_breakpoint_locations; |
| std::string m_reverse_name; |
| }; |
| |
| OptionDefinition |
| CommandObjectSourceList::CommandOptions::g_option_table[] = |
| { |
| { LLDB_OPT_SET_ALL, false, "count", 'c', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypeCount, "The number of source lines to display."}, |
| { LLDB_OPT_SET_1 | |
| LLDB_OPT_SET_2 , false, "shlib", 's', OptionParser::eRequiredArgument, nullptr, nullptr, CommandCompletions::eModuleCompletion, eArgTypeShlibName, "Look up the source file in the given shared library."}, |
| { LLDB_OPT_SET_ALL, false, "show-breakpoints", 'b', OptionParser::eNoArgument, nullptr, nullptr, 0, eArgTypeNone, "Show the line table locations from the debug information that indicate valid places to set source level breakpoints."}, |
| { LLDB_OPT_SET_1 , false, "file", 'f', OptionParser::eRequiredArgument, nullptr, nullptr, CommandCompletions::eSourceFileCompletion, eArgTypeFilename, "The file from which to display source."}, |
| { LLDB_OPT_SET_1 , false, "line", 'l', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypeLineNum, "The line number at which to start the display source."}, |
| { LLDB_OPT_SET_2 , false, "name", 'n', OptionParser::eRequiredArgument, nullptr, nullptr, CommandCompletions::eSymbolCompletion, eArgTypeSymbol, "The name of a function whose source to display."}, |
| { LLDB_OPT_SET_3 , false, "address",'a', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypeAddressOrExpression, "Lookup the address and display the source information for the corresponding file and line."}, |
| { LLDB_OPT_SET_4, false, "reverse", 'r', OptionParser::eNoArgument, nullptr, nullptr, 0, eArgTypeNone, "Reverse the listing to look backwards from the last displayed block of source."}, |
| { 0, false, nullptr, 0, 0, nullptr, nullptr, 0, eArgTypeNone, nullptr } |
| }; |
| |
| #pragma mark CommandObjectMultiwordSource |
| //------------------------------------------------------------------------- |
| // CommandObjectMultiwordSource |
| //------------------------------------------------------------------------- |
| |
| CommandObjectMultiwordSource::CommandObjectMultiwordSource(CommandInterpreter &interpreter) |
| : CommandObjectMultiword( |
| interpreter, "source", |
| "Commands for examining source code described by debug information for the current target process.", |
| "source <subcommand> [<subcommand-options>]") |
| { |
| LoadSubCommand ("info", CommandObjectSP (new CommandObjectSourceInfo (interpreter))); |
| LoadSubCommand ("list", CommandObjectSP (new CommandObjectSourceList (interpreter))); |
| } |
| |
| CommandObjectMultiwordSource::~CommandObjectMultiwordSource() = default; |