diff options
Diffstat (limited to 'contrib/llvm-project/lldb/source/Commands/CommandObjectSource.cpp')
| -rw-r--r-- | contrib/llvm-project/lldb/source/Commands/CommandObjectSource.cpp | 156 |
1 files changed, 97 insertions, 59 deletions
diff --git a/contrib/llvm-project/lldb/source/Commands/CommandObjectSource.cpp b/contrib/llvm-project/lldb/source/Commands/CommandObjectSource.cpp index 44561cfd736e..16452c1784bd 100644 --- a/contrib/llvm-project/lldb/source/Commands/CommandObjectSource.cpp +++ b/contrib/llvm-project/lldb/source/Commands/CommandObjectSource.cpp @@ -22,6 +22,7 @@ #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/Utility/FileSpec.h" @@ -146,10 +147,7 @@ protected: uint32_t num_matches = 0; // 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); + for (const SymbolContext &sc : sc_list) { if (sc.comp_unit) { Module *module = sc.module_sp.get(); CompileUnit *cu = sc.comp_unit; @@ -393,10 +391,7 @@ protected: SymbolContextList sc_list_symbols; module_list.FindFunctionSymbols(name, eFunctionNameTypeAuto, sc_list_symbols); - size_t num_symbol_matches = sc_list_symbols.GetSize(); - for (size_t i = 0; i < num_symbol_matches; i++) { - SymbolContext sc; - sc_list_symbols.GetContextAtIndex(i, sc); + for (const SymbolContext &sc : sc_list_symbols) { if (sc.symbol && sc.symbol->ValueIsAddress()) { const Address &base_address = sc.symbol->GetAddressRef(); Function *function = base_address.CalculateSymbolContextFunction(); @@ -412,9 +407,7 @@ protected: 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); + for (const SymbolContext &sc : sc_list_funcs) { bool context_found_for_symbol = false; // Loop through all the ranges in the function. AddressRange range; @@ -926,69 +919,45 @@ protected: // Displaying the source for a symbol. Search for function named name. FindMatchingFunctions(target, name, sc_list); - size_t num_matches = sc_list.GetSize(); - if (!num_matches) { + if (sc_list.GetSize() == 0) { // 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; FindMatchingFunctionSymbols(target, name, sc_list_symbols); - size_t num_symbol_matches = sc_list_symbols.GetSize(); - - for (size_t i = 0; i < num_symbol_matches; i++) { - SymbolContext sc; - sc_list_symbols.GetContextAtIndex(i, sc); + for (const SymbolContext &sc : sc_list_symbols) { 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) { + if (sc_list.GetSize() == 0) { result.AppendErrorWithFormat("Could not find function named: \"%s\".\n", m_options.symbol_name.c_str()); 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); + std::set<SourceInfo> source_match_set; + bool displayed_something = false; + for (const SymbolContext &sc : sc_list) { + SourceInfo source_info(sc.GetFunctionName(), + sc.GetFunctionStartLineEntry()); + if (source_info.IsValid() && + 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); return result.Succeeded(); } else if (m_options.address != LLDB_INVALID_ADDRESS) { Address so_addr; @@ -1052,10 +1021,7 @@ protected: 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); + for (const SymbolContext &sc : sc_list) { if (sc.comp_unit) { if (m_options.show_bp_locs) { m_breakpoint_locations.Clear(); @@ -1175,9 +1141,7 @@ protected: bool got_multiple = false; CompileUnit *test_cu = nullptr; - for (unsigned i = 0; i < num_matches; i++) { - SymbolContext sc; - sc_list.GetContextAtIndex(i, sc); + for (const SymbolContext &sc : sc_list) { if (sc.comp_unit) { if (test_cu) { if (test_cu != sc.comp_unit) @@ -1238,6 +1202,78 @@ protected: std::string m_reverse_name; }; +class CommandObjectSourceCacheDump : public CommandObjectParsed { +public: + CommandObjectSourceCacheDump(CommandInterpreter &interpreter) + : CommandObjectParsed(interpreter, "source cache dump", + "Dump the state of the source code cache. Intended " + "to be used for debugging LLDB itself.", + nullptr) {} + + ~CommandObjectSourceCacheDump() override = default; + +protected: + bool DoExecute(Args &command, CommandReturnObject &result) override { + // Dump the debugger source cache. + result.GetOutputStream() << "Debugger Source File Cache\n"; + SourceManager::SourceFileCache &cache = GetDebugger().GetSourceFileCache(); + cache.Dump(result.GetOutputStream()); + + // Dump the process source cache. + if (ProcessSP process_sp = m_exe_ctx.GetProcessSP()) { + result.GetOutputStream() << "\nProcess Source File Cache\n"; + SourceManager::SourceFileCache &cache = process_sp->GetSourceFileCache(); + cache.Dump(result.GetOutputStream()); + } + + result.SetStatus(eReturnStatusSuccessFinishResult); + return result.Succeeded(); + } +}; + +class CommandObjectSourceCacheClear : public CommandObjectParsed { +public: + CommandObjectSourceCacheClear(CommandInterpreter &interpreter) + : CommandObjectParsed(interpreter, "source cache clear", + "Clear the source code cache.\n", nullptr) {} + + ~CommandObjectSourceCacheClear() override = default; + +protected: + bool DoExecute(Args &command, CommandReturnObject &result) override { + // Clear the debugger cache. + SourceManager::SourceFileCache &cache = GetDebugger().GetSourceFileCache(); + cache.Clear(); + + // Clear the process cache. + if (ProcessSP process_sp = m_exe_ctx.GetProcessSP()) + process_sp->GetSourceFileCache().Clear(); + + result.SetStatus(eReturnStatusSuccessFinishNoResult); + return result.Succeeded(); + } +}; + +class CommandObjectSourceCache : public CommandObjectMultiword { +public: + CommandObjectSourceCache(CommandInterpreter &interpreter) + : CommandObjectMultiword(interpreter, "source cache", + "Commands for managing the source code cache.", + "source cache <sub-command>") { + LoadSubCommand( + "dump", CommandObjectSP(new CommandObjectSourceCacheDump(interpreter))); + LoadSubCommand("clear", CommandObjectSP(new CommandObjectSourceCacheClear( + interpreter))); + } + + ~CommandObjectSourceCache() override = default; + +private: + CommandObjectSourceCache(const CommandObjectSourceCache &) = delete; + const CommandObjectSourceCache & + operator=(const CommandObjectSourceCache &) = delete; +}; + #pragma mark CommandObjectMultiwordSource // CommandObjectMultiwordSource @@ -1253,6 +1289,8 @@ CommandObjectMultiwordSource::CommandObjectMultiwordSource( CommandObjectSP(new CommandObjectSourceInfo(interpreter))); LoadSubCommand("list", CommandObjectSP(new CommandObjectSourceList(interpreter))); + LoadSubCommand("cache", + CommandObjectSP(new CommandObjectSourceCache(interpreter))); } CommandObjectMultiwordSource::~CommandObjectMultiwordSource() = default; |