forked from OSchip/llvm-project
3164 lines
137 KiB
C++
3164 lines
137 KiB
C++
//===-- Debugger.cpp --------------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "lldb/lldb-python.h"
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#include "lldb/Core/Debugger.h"
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#include <map>
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#include "clang/AST/DeclCXX.h"
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#include "clang/AST/Type.h"
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#include "lldb/lldb-private.h"
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#include "lldb/Core/ConnectionFileDescriptor.h"
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#include "lldb/Core/Module.h"
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#include "lldb/Core/PluginManager.h"
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#include "lldb/Core/RegisterValue.h"
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#include "lldb/Core/State.h"
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#include "lldb/Core/StreamAsynchronousIO.h"
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#include "lldb/Core/StreamCallback.h"
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#include "lldb/Core/StreamFile.h"
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#include "lldb/Core/StreamString.h"
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#include "lldb/Core/Timer.h"
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#include "lldb/Core/ValueObject.h"
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#include "lldb/Core/ValueObjectVariable.h"
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#include "lldb/DataFormatters/DataVisualization.h"
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#include "lldb/DataFormatters/FormatManager.h"
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#include "lldb/Host/DynamicLibrary.h"
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#include "lldb/Host/Terminal.h"
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#include "lldb/Interpreter/CommandInterpreter.h"
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#include "lldb/Interpreter/OptionValueSInt64.h"
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#include "lldb/Interpreter/OptionValueString.h"
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#include "lldb/Symbol/ClangASTContext.h"
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#include "lldb/Symbol/CompileUnit.h"
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#include "lldb/Symbol/Function.h"
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#include "lldb/Symbol/Symbol.h"
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#include "lldb/Symbol/VariableList.h"
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#include "lldb/Target/TargetList.h"
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#include "lldb/Target/Process.h"
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#include "lldb/Target/RegisterContext.h"
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#include "lldb/Target/SectionLoadList.h"
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#include "lldb/Target/StopInfo.h"
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#include "lldb/Target/Target.h"
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#include "lldb/Target/Thread.h"
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#include "lldb/Utility/AnsiTerminal.h"
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using namespace lldb;
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using namespace lldb_private;
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static uint32_t g_shared_debugger_refcount = 0;
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static lldb::user_id_t g_unique_id = 1;
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#pragma mark Static Functions
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static Mutex &
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GetDebuggerListMutex ()
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{
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static Mutex g_mutex(Mutex::eMutexTypeRecursive);
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return g_mutex;
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}
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typedef std::vector<DebuggerSP> DebuggerList;
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static DebuggerList &
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GetDebuggerList()
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{
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// hide the static debugger list inside a singleton accessor to avoid
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// global init contructors
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static DebuggerList g_list;
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return g_list;
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}
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OptionEnumValueElement
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g_show_disassembly_enum_values[] =
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{
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{ Debugger::eStopDisassemblyTypeNever, "never", "Never show disassembly when displaying a stop context."},
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{ Debugger::eStopDisassemblyTypeNoSource, "no-source", "Show disassembly when there is no source information, or the source file is missing when displaying a stop context."},
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{ Debugger::eStopDisassemblyTypeAlways, "always", "Always show disassembly when displaying a stop context."},
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{ 0, NULL, NULL }
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};
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OptionEnumValueElement
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g_language_enumerators[] =
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{
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{ eScriptLanguageNone, "none", "Disable scripting languages."},
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{ eScriptLanguagePython, "python", "Select python as the default scripting language."},
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{ eScriptLanguageDefault, "default", "Select the lldb default as the default scripting language."},
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{ 0, NULL, NULL }
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};
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#define MODULE_WITH_FUNC "{ ${module.file.basename}{`${function.name-with-args}${function.pc-offset}}}"
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#define FILE_AND_LINE "{ at ${line.file.basename}:${line.number}}"
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#define DEFAULT_THREAD_FORMAT "thread #${thread.index}: tid = ${thread.id%tid}"\
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"{, ${frame.pc}}"\
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MODULE_WITH_FUNC\
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FILE_AND_LINE\
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"{, name = '${thread.name}'}"\
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"{, queue = '${thread.queue}'}"\
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"{, stop reason = ${thread.stop-reason}}"\
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"{\\nReturn value: ${thread.return-value}}"\
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"\\n"
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#define DEFAULT_FRAME_FORMAT "frame #${frame.index}: ${frame.pc}"\
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MODULE_WITH_FUNC\
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FILE_AND_LINE\
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"\\n"
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static PropertyDefinition
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g_properties[] =
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{
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{ "auto-confirm", OptionValue::eTypeBoolean, true, false, NULL, NULL, "If true all confirmation prompts will receive their default reply." },
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{ "frame-format", OptionValue::eTypeString , true, 0 , DEFAULT_FRAME_FORMAT, NULL, "The default frame format string to use when displaying stack frame information for threads." },
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{ "notify-void", OptionValue::eTypeBoolean, true, false, NULL, NULL, "Notify the user explicitly if an expression returns void (default: false)." },
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{ "prompt", OptionValue::eTypeString , true, OptionValueString::eOptionEncodeCharacterEscapeSequences, "(lldb) ", NULL, "The debugger command line prompt displayed for the user." },
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{ "script-lang", OptionValue::eTypeEnum , true, eScriptLanguagePython, NULL, g_language_enumerators, "The script language to be used for evaluating user-written scripts." },
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{ "stop-disassembly-count", OptionValue::eTypeSInt64 , true, 4 , NULL, NULL, "The number of disassembly lines to show when displaying a stopped context." },
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{ "stop-disassembly-display", OptionValue::eTypeEnum , true, Debugger::eStopDisassemblyTypeNoSource, NULL, g_show_disassembly_enum_values, "Control when to display disassembly when displaying a stopped context." },
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{ "stop-line-count-after", OptionValue::eTypeSInt64 , true, 3 , NULL, NULL, "The number of sources lines to display that come after the current source line when displaying a stopped context." },
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{ "stop-line-count-before", OptionValue::eTypeSInt64 , true, 3 , NULL, NULL, "The number of sources lines to display that come before the current source line when displaying a stopped context." },
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{ "term-width", OptionValue::eTypeSInt64 , true, 80 , NULL, NULL, "The maximum number of columns to use for displaying text." },
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{ "thread-format", OptionValue::eTypeString , true, 0 , DEFAULT_THREAD_FORMAT, NULL, "The default thread format string to use when displaying thread information." },
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{ "use-external-editor", OptionValue::eTypeBoolean, true, false, NULL, NULL, "Whether to use an external editor or not." },
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{ "use-color", OptionValue::eTypeBoolean, true, true , NULL, NULL, "Whether to use Ansi color codes or not." },
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{ "auto-one-line-summaries", OptionValue::eTypeBoolean, true, true, NULL, NULL, "If true, LLDB will automatically display small structs in one-liner format (default: true)." },
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{ NULL, OptionValue::eTypeInvalid, true, 0 , NULL, NULL, NULL }
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};
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enum
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{
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ePropertyAutoConfirm = 0,
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ePropertyFrameFormat,
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ePropertyNotiftVoid,
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ePropertyPrompt,
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ePropertyScriptLanguage,
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ePropertyStopDisassemblyCount,
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ePropertyStopDisassemblyDisplay,
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ePropertyStopLineCountAfter,
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ePropertyStopLineCountBefore,
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ePropertyTerminalWidth,
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ePropertyThreadFormat,
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ePropertyUseExternalEditor,
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ePropertyUseColor,
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ePropertyAutoOneLineSummaries
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};
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Debugger::LoadPluginCallbackType Debugger::g_load_plugin_callback = NULL;
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Error
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Debugger::SetPropertyValue (const ExecutionContext *exe_ctx,
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VarSetOperationType op,
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const char *property_path,
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const char *value)
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{
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bool is_load_script = strcmp(property_path,"target.load-script-from-symbol-file") == 0;
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TargetSP target_sp;
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LoadScriptFromSymFile load_script_old_value;
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if (is_load_script && exe_ctx->GetTargetSP())
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{
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target_sp = exe_ctx->GetTargetSP();
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load_script_old_value = target_sp->TargetProperties::GetLoadScriptFromSymbolFile();
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}
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Error error (Properties::SetPropertyValue (exe_ctx, op, property_path, value));
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if (error.Success())
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{
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// FIXME it would be nice to have "on-change" callbacks for properties
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if (strcmp(property_path, g_properties[ePropertyPrompt].name) == 0)
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{
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const char *new_prompt = GetPrompt();
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std::string str = lldb_utility::ansi::FormatAnsiTerminalCodes (new_prompt, GetUseColor());
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if (str.length())
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new_prompt = str.c_str();
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GetCommandInterpreter().UpdatePrompt(new_prompt);
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EventSP prompt_change_event_sp (new Event(CommandInterpreter::eBroadcastBitResetPrompt, new EventDataBytes (new_prompt)));
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GetCommandInterpreter().BroadcastEvent (prompt_change_event_sp);
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}
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else if (strcmp(property_path, g_properties[ePropertyUseColor].name) == 0)
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{
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// use-color changed. Ping the prompt so it can reset the ansi terminal codes.
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SetPrompt (GetPrompt());
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}
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else if (is_load_script && target_sp && load_script_old_value == eLoadScriptFromSymFileWarn)
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{
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if (target_sp->TargetProperties::GetLoadScriptFromSymbolFile() == eLoadScriptFromSymFileTrue)
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{
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std::list<Error> errors;
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StreamString feedback_stream;
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if (!target_sp->LoadScriptingResources(errors,&feedback_stream))
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{
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StreamFileSP stream_sp (GetErrorFile());
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if (stream_sp)
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{
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for (auto error : errors)
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{
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stream_sp->Printf("%s\n",error.AsCString());
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}
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if (feedback_stream.GetSize())
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stream_sp->Printf("%s",feedback_stream.GetData());
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}
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}
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}
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}
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}
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return error;
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}
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bool
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Debugger::GetAutoConfirm () const
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{
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const uint32_t idx = ePropertyAutoConfirm;
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return m_collection_sp->GetPropertyAtIndexAsBoolean (NULL, idx, g_properties[idx].default_uint_value != 0);
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}
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const char *
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Debugger::GetFrameFormat() const
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{
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const uint32_t idx = ePropertyFrameFormat;
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return m_collection_sp->GetPropertyAtIndexAsString (NULL, idx, g_properties[idx].default_cstr_value);
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}
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bool
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Debugger::GetNotifyVoid () const
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{
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const uint32_t idx = ePropertyNotiftVoid;
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return m_collection_sp->GetPropertyAtIndexAsBoolean (NULL, idx, g_properties[idx].default_uint_value != 0);
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}
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const char *
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Debugger::GetPrompt() const
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{
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const uint32_t idx = ePropertyPrompt;
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return m_collection_sp->GetPropertyAtIndexAsString (NULL, idx, g_properties[idx].default_cstr_value);
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}
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void
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Debugger::SetPrompt(const char *p)
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{
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const uint32_t idx = ePropertyPrompt;
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m_collection_sp->SetPropertyAtIndexAsString (NULL, idx, p);
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const char *new_prompt = GetPrompt();
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std::string str = lldb_utility::ansi::FormatAnsiTerminalCodes (new_prompt, GetUseColor());
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if (str.length())
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new_prompt = str.c_str();
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GetCommandInterpreter().UpdatePrompt(new_prompt);
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}
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const char *
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Debugger::GetThreadFormat() const
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{
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const uint32_t idx = ePropertyThreadFormat;
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return m_collection_sp->GetPropertyAtIndexAsString (NULL, idx, g_properties[idx].default_cstr_value);
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}
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lldb::ScriptLanguage
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Debugger::GetScriptLanguage() const
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{
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const uint32_t idx = ePropertyScriptLanguage;
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return (lldb::ScriptLanguage)m_collection_sp->GetPropertyAtIndexAsEnumeration (NULL, idx, g_properties[idx].default_uint_value);
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}
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bool
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Debugger::SetScriptLanguage (lldb::ScriptLanguage script_lang)
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{
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const uint32_t idx = ePropertyScriptLanguage;
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return m_collection_sp->SetPropertyAtIndexAsEnumeration (NULL, idx, script_lang);
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}
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uint32_t
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Debugger::GetTerminalWidth () const
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{
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const uint32_t idx = ePropertyTerminalWidth;
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return m_collection_sp->GetPropertyAtIndexAsSInt64 (NULL, idx, g_properties[idx].default_uint_value);
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}
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bool
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Debugger::SetTerminalWidth (uint32_t term_width)
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{
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const uint32_t idx = ePropertyTerminalWidth;
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return m_collection_sp->SetPropertyAtIndexAsSInt64 (NULL, idx, term_width);
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}
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bool
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Debugger::GetUseExternalEditor () const
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{
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const uint32_t idx = ePropertyUseExternalEditor;
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return m_collection_sp->GetPropertyAtIndexAsBoolean (NULL, idx, g_properties[idx].default_uint_value != 0);
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}
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bool
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Debugger::SetUseExternalEditor (bool b)
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{
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const uint32_t idx = ePropertyUseExternalEditor;
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return m_collection_sp->SetPropertyAtIndexAsBoolean (NULL, idx, b);
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}
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bool
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Debugger::GetUseColor () const
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{
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const uint32_t idx = ePropertyUseColor;
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return m_collection_sp->GetPropertyAtIndexAsBoolean (NULL, idx, g_properties[idx].default_uint_value != 0);
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}
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bool
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Debugger::SetUseColor (bool b)
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{
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const uint32_t idx = ePropertyUseColor;
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bool ret = m_collection_sp->SetPropertyAtIndexAsBoolean (NULL, idx, b);
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SetPrompt (GetPrompt());
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return ret;
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}
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uint32_t
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Debugger::GetStopSourceLineCount (bool before) const
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{
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const uint32_t idx = before ? ePropertyStopLineCountBefore : ePropertyStopLineCountAfter;
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return m_collection_sp->GetPropertyAtIndexAsSInt64 (NULL, idx, g_properties[idx].default_uint_value);
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}
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Debugger::StopDisassemblyType
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Debugger::GetStopDisassemblyDisplay () const
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{
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const uint32_t idx = ePropertyStopDisassemblyDisplay;
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return (Debugger::StopDisassemblyType)m_collection_sp->GetPropertyAtIndexAsEnumeration (NULL, idx, g_properties[idx].default_uint_value);
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}
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uint32_t
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Debugger::GetDisassemblyLineCount () const
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{
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const uint32_t idx = ePropertyStopDisassemblyCount;
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return m_collection_sp->GetPropertyAtIndexAsSInt64 (NULL, idx, g_properties[idx].default_uint_value);
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}
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bool
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Debugger::GetAutoOneLineSummaries () const
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{
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const uint32_t idx = ePropertyAutoOneLineSummaries;
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return m_collection_sp->GetPropertyAtIndexAsBoolean (NULL, idx, true);
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}
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#pragma mark Debugger
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//const DebuggerPropertiesSP &
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//Debugger::GetSettings() const
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//{
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// return m_properties_sp;
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//}
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//
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int
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Debugger::TestDebuggerRefCount ()
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{
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return g_shared_debugger_refcount;
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}
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void
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Debugger::Initialize (LoadPluginCallbackType load_plugin_callback)
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{
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g_load_plugin_callback = load_plugin_callback;
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if (g_shared_debugger_refcount++ == 0)
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lldb_private::Initialize();
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}
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void
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Debugger::Terminate ()
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{
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if (g_shared_debugger_refcount > 0)
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{
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g_shared_debugger_refcount--;
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if (g_shared_debugger_refcount == 0)
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{
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lldb_private::WillTerminate();
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lldb_private::Terminate();
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// Clear our master list of debugger objects
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Mutex::Locker locker (GetDebuggerListMutex ());
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GetDebuggerList().clear();
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}
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}
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}
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void
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Debugger::SettingsInitialize ()
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{
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Target::SettingsInitialize ();
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}
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void
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Debugger::SettingsTerminate ()
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{
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Target::SettingsTerminate ();
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}
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bool
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Debugger::LoadPlugin (const FileSpec& spec, Error& error)
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{
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if (g_load_plugin_callback)
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{
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lldb::DynamicLibrarySP dynlib_sp = g_load_plugin_callback (shared_from_this(), spec, error);
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if (dynlib_sp)
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{
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m_loaded_plugins.push_back(dynlib_sp);
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return true;
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}
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}
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else
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{
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// The g_load_plugin_callback is registered in SBDebugger::Initialize()
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// and if the public API layer isn't available (code is linking against
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// all of the internal LLDB static libraries), then we can't load plugins
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error.SetErrorString("Public API layer is not available");
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}
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return false;
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}
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static FileSpec::EnumerateDirectoryResult
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LoadPluginCallback
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(
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void *baton,
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FileSpec::FileType file_type,
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const FileSpec &file_spec
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)
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{
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Error error;
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static ConstString g_dylibext("dylib");
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static ConstString g_solibext("so");
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if (!baton)
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return FileSpec::eEnumerateDirectoryResultQuit;
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Debugger *debugger = (Debugger*)baton;
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// If we have a regular file, a symbolic link or unknown file type, try
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// and process the file. We must handle unknown as sometimes the directory
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// enumeration might be enumerating a file system that doesn't have correct
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// file type information.
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if (file_type == FileSpec::eFileTypeRegular ||
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file_type == FileSpec::eFileTypeSymbolicLink ||
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file_type == FileSpec::eFileTypeUnknown )
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{
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FileSpec plugin_file_spec (file_spec);
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plugin_file_spec.ResolvePath ();
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if (plugin_file_spec.GetFileNameExtension() != g_dylibext &&
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plugin_file_spec.GetFileNameExtension() != g_solibext)
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{
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return FileSpec::eEnumerateDirectoryResultNext;
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}
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Error plugin_load_error;
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debugger->LoadPlugin (plugin_file_spec, plugin_load_error);
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return FileSpec::eEnumerateDirectoryResultNext;
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}
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else if (file_type == FileSpec::eFileTypeUnknown ||
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file_type == FileSpec::eFileTypeDirectory ||
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file_type == FileSpec::eFileTypeSymbolicLink )
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{
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// Try and recurse into anything that a directory or symbolic link.
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// We must also do this for unknown as sometimes the directory enumeration
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// might be enurating a file system that doesn't have correct file type
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// information.
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return FileSpec::eEnumerateDirectoryResultEnter;
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}
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return FileSpec::eEnumerateDirectoryResultNext;
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}
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void
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Debugger::InstanceInitialize ()
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{
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FileSpec dir_spec;
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const bool find_directories = true;
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const bool find_files = true;
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const bool find_other = true;
|
|
char dir_path[PATH_MAX];
|
|
if (Host::GetLLDBPath (ePathTypeLLDBSystemPlugins, dir_spec))
|
|
{
|
|
if (dir_spec.Exists() && dir_spec.GetPath(dir_path, sizeof(dir_path)))
|
|
{
|
|
FileSpec::EnumerateDirectory (dir_path,
|
|
find_directories,
|
|
find_files,
|
|
find_other,
|
|
LoadPluginCallback,
|
|
this);
|
|
}
|
|
}
|
|
|
|
if (Host::GetLLDBPath (ePathTypeLLDBUserPlugins, dir_spec))
|
|
{
|
|
if (dir_spec.Exists() && dir_spec.GetPath(dir_path, sizeof(dir_path)))
|
|
{
|
|
FileSpec::EnumerateDirectory (dir_path,
|
|
find_directories,
|
|
find_files,
|
|
find_other,
|
|
LoadPluginCallback,
|
|
this);
|
|
}
|
|
}
|
|
|
|
PluginManager::DebuggerInitialize (*this);
|
|
}
|
|
|
|
DebuggerSP
|
|
Debugger::CreateInstance (lldb::LogOutputCallback log_callback, void *baton)
|
|
{
|
|
DebuggerSP debugger_sp (new Debugger(log_callback, baton));
|
|
if (g_shared_debugger_refcount > 0)
|
|
{
|
|
Mutex::Locker locker (GetDebuggerListMutex ());
|
|
GetDebuggerList().push_back(debugger_sp);
|
|
}
|
|
debugger_sp->InstanceInitialize ();
|
|
return debugger_sp;
|
|
}
|
|
|
|
void
|
|
Debugger::Destroy (DebuggerSP &debugger_sp)
|
|
{
|
|
if (debugger_sp.get() == NULL)
|
|
return;
|
|
|
|
debugger_sp->Clear();
|
|
|
|
if (g_shared_debugger_refcount > 0)
|
|
{
|
|
Mutex::Locker locker (GetDebuggerListMutex ());
|
|
DebuggerList &debugger_list = GetDebuggerList ();
|
|
DebuggerList::iterator pos, end = debugger_list.end();
|
|
for (pos = debugger_list.begin (); pos != end; ++pos)
|
|
{
|
|
if ((*pos).get() == debugger_sp.get())
|
|
{
|
|
debugger_list.erase (pos);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
DebuggerSP
|
|
Debugger::FindDebuggerWithInstanceName (const ConstString &instance_name)
|
|
{
|
|
DebuggerSP debugger_sp;
|
|
if (g_shared_debugger_refcount > 0)
|
|
{
|
|
Mutex::Locker locker (GetDebuggerListMutex ());
|
|
DebuggerList &debugger_list = GetDebuggerList();
|
|
DebuggerList::iterator pos, end = debugger_list.end();
|
|
|
|
for (pos = debugger_list.begin(); pos != end; ++pos)
|
|
{
|
|
if ((*pos).get()->m_instance_name == instance_name)
|
|
{
|
|
debugger_sp = *pos;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return debugger_sp;
|
|
}
|
|
|
|
TargetSP
|
|
Debugger::FindTargetWithProcessID (lldb::pid_t pid)
|
|
{
|
|
TargetSP target_sp;
|
|
if (g_shared_debugger_refcount > 0)
|
|
{
|
|
Mutex::Locker locker (GetDebuggerListMutex ());
|
|
DebuggerList &debugger_list = GetDebuggerList();
|
|
DebuggerList::iterator pos, end = debugger_list.end();
|
|
for (pos = debugger_list.begin(); pos != end; ++pos)
|
|
{
|
|
target_sp = (*pos)->GetTargetList().FindTargetWithProcessID (pid);
|
|
if (target_sp)
|
|
break;
|
|
}
|
|
}
|
|
return target_sp;
|
|
}
|
|
|
|
TargetSP
|
|
Debugger::FindTargetWithProcess (Process *process)
|
|
{
|
|
TargetSP target_sp;
|
|
if (g_shared_debugger_refcount > 0)
|
|
{
|
|
Mutex::Locker locker (GetDebuggerListMutex ());
|
|
DebuggerList &debugger_list = GetDebuggerList();
|
|
DebuggerList::iterator pos, end = debugger_list.end();
|
|
for (pos = debugger_list.begin(); pos != end; ++pos)
|
|
{
|
|
target_sp = (*pos)->GetTargetList().FindTargetWithProcess (process);
|
|
if (target_sp)
|
|
break;
|
|
}
|
|
}
|
|
return target_sp;
|
|
}
|
|
|
|
Debugger::Debugger (lldb::LogOutputCallback log_callback, void *baton) :
|
|
UserID (g_unique_id++),
|
|
Properties(OptionValuePropertiesSP(new OptionValueProperties())),
|
|
m_input_file_sp (new StreamFile (stdin, false)),
|
|
m_output_file_sp (new StreamFile (stdout, false)),
|
|
m_error_file_sp (new StreamFile (stderr, false)),
|
|
m_terminal_state (),
|
|
m_target_list (*this),
|
|
m_platform_list (),
|
|
m_listener ("lldb.Debugger"),
|
|
m_source_manager_ap(),
|
|
m_source_file_cache(),
|
|
m_command_interpreter_ap (new CommandInterpreter (*this, eScriptLanguageDefault, false)),
|
|
m_input_reader_stack (),
|
|
m_instance_name (),
|
|
m_loaded_plugins (),
|
|
m_event_handler_thread (LLDB_INVALID_HOST_THREAD),
|
|
m_io_handler_thread (LLDB_INVALID_HOST_THREAD),
|
|
m_event_handler_thread_alive(false)
|
|
{
|
|
char instance_cstr[256];
|
|
snprintf(instance_cstr, sizeof(instance_cstr), "debugger_%d", (int)GetID());
|
|
m_instance_name.SetCString(instance_cstr);
|
|
if (log_callback)
|
|
m_log_callback_stream_sp.reset (new StreamCallback (log_callback, baton));
|
|
m_command_interpreter_ap->Initialize ();
|
|
// Always add our default platform to the platform list
|
|
PlatformSP default_platform_sp (Platform::GetDefaultPlatform());
|
|
assert (default_platform_sp.get());
|
|
m_platform_list.Append (default_platform_sp, true);
|
|
|
|
m_collection_sp->Initialize (g_properties);
|
|
m_collection_sp->AppendProperty (ConstString("target"),
|
|
ConstString("Settings specify to debugging targets."),
|
|
true,
|
|
Target::GetGlobalProperties()->GetValueProperties());
|
|
if (m_command_interpreter_ap.get())
|
|
{
|
|
m_collection_sp->AppendProperty (ConstString("interpreter"),
|
|
ConstString("Settings specify to the debugger's command interpreter."),
|
|
true,
|
|
m_command_interpreter_ap->GetValueProperties());
|
|
}
|
|
OptionValueSInt64 *term_width = m_collection_sp->GetPropertyAtIndexAsOptionValueSInt64 (NULL, ePropertyTerminalWidth);
|
|
term_width->SetMinimumValue(10);
|
|
term_width->SetMaximumValue(1024);
|
|
|
|
// Turn off use-color if this is a dumb terminal.
|
|
const char *term = getenv ("TERM");
|
|
if (term && !strcmp (term, "dumb"))
|
|
SetUseColor (false);
|
|
}
|
|
|
|
Debugger::~Debugger ()
|
|
{
|
|
Clear();
|
|
}
|
|
|
|
void
|
|
Debugger::Clear()
|
|
{
|
|
ClearIOHandlers();
|
|
StopIOHandlerThread();
|
|
StopEventHandlerThread();
|
|
m_listener.Clear();
|
|
int num_targets = m_target_list.GetNumTargets();
|
|
for (int i = 0; i < num_targets; i++)
|
|
{
|
|
TargetSP target_sp (m_target_list.GetTargetAtIndex (i));
|
|
if (target_sp)
|
|
{
|
|
ProcessSP process_sp (target_sp->GetProcessSP());
|
|
if (process_sp)
|
|
process_sp->Finalize();
|
|
target_sp->Destroy();
|
|
}
|
|
}
|
|
BroadcasterManager::Clear ();
|
|
|
|
// Close the input file _before_ we close the input read communications class
|
|
// as it does NOT own the input file, our m_input_file does.
|
|
m_terminal_state.Clear();
|
|
if (m_input_file_sp)
|
|
m_input_file_sp->GetFile().Close ();
|
|
}
|
|
|
|
bool
|
|
Debugger::GetCloseInputOnEOF () const
|
|
{
|
|
// return m_input_comm.GetCloseOnEOF();
|
|
return false;
|
|
}
|
|
|
|
void
|
|
Debugger::SetCloseInputOnEOF (bool b)
|
|
{
|
|
// m_input_comm.SetCloseOnEOF(b);
|
|
}
|
|
|
|
bool
|
|
Debugger::GetAsyncExecution ()
|
|
{
|
|
return !m_command_interpreter_ap->GetSynchronous();
|
|
}
|
|
|
|
void
|
|
Debugger::SetAsyncExecution (bool async_execution)
|
|
{
|
|
m_command_interpreter_ap->SetSynchronous (!async_execution);
|
|
}
|
|
|
|
|
|
void
|
|
Debugger::SetInputFileHandle (FILE *fh, bool tranfer_ownership)
|
|
{
|
|
if (m_input_file_sp)
|
|
m_input_file_sp->GetFile().SetStream (fh, tranfer_ownership);
|
|
else
|
|
m_input_file_sp.reset (new StreamFile (fh, tranfer_ownership));
|
|
|
|
File &in_file = m_input_file_sp->GetFile();
|
|
if (in_file.IsValid() == false)
|
|
in_file.SetStream (stdin, true);
|
|
|
|
// Save away the terminal state if that is relevant, so that we can restore it in RestoreInputState.
|
|
SaveInputTerminalState ();
|
|
}
|
|
|
|
void
|
|
Debugger::SetOutputFileHandle (FILE *fh, bool tranfer_ownership)
|
|
{
|
|
if (m_output_file_sp)
|
|
m_output_file_sp->GetFile().SetStream (fh, tranfer_ownership);
|
|
else
|
|
m_output_file_sp.reset (new StreamFile (fh, tranfer_ownership));
|
|
|
|
File &out_file = m_output_file_sp->GetFile();
|
|
if (out_file.IsValid() == false)
|
|
out_file.SetStream (stdout, false);
|
|
|
|
// do not create the ScriptInterpreter just for setting the output file handle
|
|
// as the constructor will know how to do the right thing on its own
|
|
const bool can_create = false;
|
|
ScriptInterpreter* script_interpreter = GetCommandInterpreter().GetScriptInterpreter(can_create);
|
|
if (script_interpreter)
|
|
script_interpreter->ResetOutputFileHandle (fh);
|
|
}
|
|
|
|
void
|
|
Debugger::SetErrorFileHandle (FILE *fh, bool tranfer_ownership)
|
|
{
|
|
if (m_error_file_sp)
|
|
m_error_file_sp->GetFile().SetStream (fh, tranfer_ownership);
|
|
else
|
|
m_error_file_sp.reset (new StreamFile (fh, tranfer_ownership));
|
|
|
|
File &err_file = m_error_file_sp->GetFile();
|
|
if (err_file.IsValid() == false)
|
|
err_file.SetStream (stderr, false);
|
|
}
|
|
|
|
void
|
|
Debugger::SaveInputTerminalState ()
|
|
{
|
|
if (m_input_file_sp)
|
|
{
|
|
File &in_file = m_input_file_sp->GetFile();
|
|
if (in_file.GetDescriptor() != File::kInvalidDescriptor)
|
|
m_terminal_state.Save(in_file.GetDescriptor(), true);
|
|
}
|
|
}
|
|
|
|
void
|
|
Debugger::RestoreInputTerminalState ()
|
|
{
|
|
m_terminal_state.Restore();
|
|
}
|
|
|
|
ExecutionContext
|
|
Debugger::GetSelectedExecutionContext ()
|
|
{
|
|
ExecutionContext exe_ctx;
|
|
TargetSP target_sp(GetSelectedTarget());
|
|
exe_ctx.SetTargetSP (target_sp);
|
|
|
|
if (target_sp)
|
|
{
|
|
ProcessSP process_sp (target_sp->GetProcessSP());
|
|
exe_ctx.SetProcessSP (process_sp);
|
|
if (process_sp && process_sp->IsRunning() == false)
|
|
{
|
|
ThreadSP thread_sp (process_sp->GetThreadList().GetSelectedThread());
|
|
if (thread_sp)
|
|
{
|
|
exe_ctx.SetThreadSP (thread_sp);
|
|
exe_ctx.SetFrameSP (thread_sp->GetSelectedFrame());
|
|
if (exe_ctx.GetFramePtr() == NULL)
|
|
exe_ctx.SetFrameSP (thread_sp->GetStackFrameAtIndex (0));
|
|
}
|
|
}
|
|
}
|
|
return exe_ctx;
|
|
}
|
|
|
|
void
|
|
Debugger::DispatchInputInterrupt ()
|
|
{
|
|
Mutex::Locker locker (m_input_reader_stack.GetMutex());
|
|
IOHandlerSP reader_sp (m_input_reader_stack.Top());
|
|
if (reader_sp)
|
|
reader_sp->Interrupt();
|
|
}
|
|
|
|
void
|
|
Debugger::DispatchInputEndOfFile ()
|
|
{
|
|
Mutex::Locker locker (m_input_reader_stack.GetMutex());
|
|
IOHandlerSP reader_sp (m_input_reader_stack.Top());
|
|
if (reader_sp)
|
|
reader_sp->GotEOF();
|
|
}
|
|
|
|
void
|
|
Debugger::ClearIOHandlers ()
|
|
{
|
|
// The bottom input reader should be the main debugger input reader. We do not want to close that one here.
|
|
Mutex::Locker locker (m_input_reader_stack.GetMutex());
|
|
while (m_input_reader_stack.GetSize() > 1)
|
|
{
|
|
IOHandlerSP reader_sp (m_input_reader_stack.Top());
|
|
if (reader_sp)
|
|
{
|
|
m_input_reader_stack.Pop();
|
|
reader_sp->SetIsDone(true);
|
|
reader_sp->Interrupt();
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
Debugger::ExecuteIOHanders()
|
|
{
|
|
|
|
while (1)
|
|
{
|
|
IOHandlerSP reader_sp(m_input_reader_stack.Top());
|
|
if (!reader_sp)
|
|
break;
|
|
|
|
reader_sp->Activate();
|
|
reader_sp->Run();
|
|
reader_sp->Deactivate();
|
|
|
|
// Remove all input readers that are done from the top of the stack
|
|
while (1)
|
|
{
|
|
IOHandlerSP top_reader_sp = m_input_reader_stack.Top();
|
|
if (top_reader_sp && top_reader_sp->GetIsDone())
|
|
m_input_reader_stack.Pop();
|
|
else
|
|
break;
|
|
}
|
|
}
|
|
ClearIOHandlers();
|
|
}
|
|
|
|
bool
|
|
Debugger::IsTopIOHandler (const lldb::IOHandlerSP& reader_sp)
|
|
{
|
|
return m_input_reader_stack.IsTop (reader_sp);
|
|
}
|
|
|
|
|
|
ConstString
|
|
Debugger::GetTopIOHandlerControlSequence(char ch)
|
|
{
|
|
return m_input_reader_stack.GetTopIOHandlerControlSequence (ch);
|
|
}
|
|
|
|
void
|
|
Debugger::RunIOHandler (const IOHandlerSP& reader_sp)
|
|
{
|
|
Mutex::Locker locker (m_input_reader_stack.GetMutex());
|
|
PushIOHandler (reader_sp);
|
|
reader_sp->Activate();
|
|
reader_sp->Run();
|
|
PopIOHandler (reader_sp);
|
|
}
|
|
|
|
void
|
|
Debugger::AdoptTopIOHandlerFilesIfInvalid (StreamFileSP &in, StreamFileSP &out, StreamFileSP &err)
|
|
{
|
|
// Before an IOHandler runs, it must have in/out/err streams.
|
|
// This function is called when one ore more of the streams
|
|
// are NULL. We use the top input reader's in/out/err streams,
|
|
// or fall back to the debugger file handles, or we fall back
|
|
// onto stdin/stdout/stderr as a last resort.
|
|
|
|
Mutex::Locker locker (m_input_reader_stack.GetMutex());
|
|
IOHandlerSP top_reader_sp (m_input_reader_stack.Top());
|
|
// If no STDIN has been set, then set it appropriately
|
|
if (!in)
|
|
{
|
|
if (top_reader_sp)
|
|
in = top_reader_sp->GetInputStreamFile();
|
|
else
|
|
in = GetInputFile();
|
|
|
|
// If there is nothing, use stdin
|
|
if (!in)
|
|
in = StreamFileSP(new StreamFile(stdin, false));
|
|
}
|
|
// If no STDOUT has been set, then set it appropriately
|
|
if (!out)
|
|
{
|
|
if (top_reader_sp)
|
|
out = top_reader_sp->GetOutputStreamFile();
|
|
else
|
|
out = GetOutputFile();
|
|
|
|
// If there is nothing, use stdout
|
|
if (!out)
|
|
out = StreamFileSP(new StreamFile(stdout, false));
|
|
}
|
|
// If no STDERR has been set, then set it appropriately
|
|
if (!err)
|
|
{
|
|
if (top_reader_sp)
|
|
err = top_reader_sp->GetErrorStreamFile();
|
|
else
|
|
err = GetErrorFile();
|
|
|
|
// If there is nothing, use stderr
|
|
if (!err)
|
|
err = StreamFileSP(new StreamFile(stdout, false));
|
|
|
|
}
|
|
}
|
|
|
|
void
|
|
Debugger::PushIOHandler (const IOHandlerSP& reader_sp)
|
|
{
|
|
if (!reader_sp)
|
|
return;
|
|
|
|
// Got the current top input reader...
|
|
IOHandlerSP top_reader_sp (m_input_reader_stack.Top());
|
|
|
|
// Push our new input reader
|
|
m_input_reader_stack.Push (reader_sp);
|
|
|
|
// Interrupt the top input reader to it will exit its Run() function
|
|
// and let this new input reader take over
|
|
if (top_reader_sp)
|
|
top_reader_sp->Deactivate();
|
|
}
|
|
|
|
bool
|
|
Debugger::PopIOHandler (const IOHandlerSP& pop_reader_sp)
|
|
{
|
|
bool result = false;
|
|
|
|
Mutex::Locker locker (m_input_reader_stack.GetMutex());
|
|
|
|
// The reader on the stop of the stack is done, so let the next
|
|
// read on the stack referesh its prompt and if there is one...
|
|
if (!m_input_reader_stack.IsEmpty())
|
|
{
|
|
IOHandlerSP reader_sp(m_input_reader_stack.Top());
|
|
|
|
if (!pop_reader_sp || pop_reader_sp.get() == reader_sp.get())
|
|
{
|
|
reader_sp->Deactivate();
|
|
m_input_reader_stack.Pop ();
|
|
|
|
reader_sp = m_input_reader_stack.Top();
|
|
if (reader_sp)
|
|
reader_sp->Activate();
|
|
|
|
result = true;
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
bool
|
|
Debugger::HideTopIOHandler()
|
|
{
|
|
Mutex::Locker locker;
|
|
|
|
if (locker.TryLock(m_input_reader_stack.GetMutex()))
|
|
{
|
|
IOHandlerSP reader_sp(m_input_reader_stack.Top());
|
|
if (reader_sp)
|
|
reader_sp->Hide();
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void
|
|
Debugger::RefreshTopIOHandler()
|
|
{
|
|
IOHandlerSP reader_sp(m_input_reader_stack.Top());
|
|
if (reader_sp)
|
|
reader_sp->Refresh();
|
|
}
|
|
|
|
|
|
StreamSP
|
|
Debugger::GetAsyncOutputStream ()
|
|
{
|
|
return StreamSP (new StreamAsynchronousIO (GetCommandInterpreter(),
|
|
CommandInterpreter::eBroadcastBitAsynchronousOutputData));
|
|
}
|
|
|
|
StreamSP
|
|
Debugger::GetAsyncErrorStream ()
|
|
{
|
|
return StreamSP (new StreamAsynchronousIO (GetCommandInterpreter(),
|
|
CommandInterpreter::eBroadcastBitAsynchronousErrorData));
|
|
}
|
|
|
|
size_t
|
|
Debugger::GetNumDebuggers()
|
|
{
|
|
if (g_shared_debugger_refcount > 0)
|
|
{
|
|
Mutex::Locker locker (GetDebuggerListMutex ());
|
|
return GetDebuggerList().size();
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
lldb::DebuggerSP
|
|
Debugger::GetDebuggerAtIndex (size_t index)
|
|
{
|
|
DebuggerSP debugger_sp;
|
|
|
|
if (g_shared_debugger_refcount > 0)
|
|
{
|
|
Mutex::Locker locker (GetDebuggerListMutex ());
|
|
DebuggerList &debugger_list = GetDebuggerList();
|
|
|
|
if (index < debugger_list.size())
|
|
debugger_sp = debugger_list[index];
|
|
}
|
|
|
|
return debugger_sp;
|
|
}
|
|
|
|
DebuggerSP
|
|
Debugger::FindDebuggerWithID (lldb::user_id_t id)
|
|
{
|
|
DebuggerSP debugger_sp;
|
|
|
|
if (g_shared_debugger_refcount > 0)
|
|
{
|
|
Mutex::Locker locker (GetDebuggerListMutex ());
|
|
DebuggerList &debugger_list = GetDebuggerList();
|
|
DebuggerList::iterator pos, end = debugger_list.end();
|
|
for (pos = debugger_list.begin(); pos != end; ++pos)
|
|
{
|
|
if ((*pos).get()->GetID() == id)
|
|
{
|
|
debugger_sp = *pos;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return debugger_sp;
|
|
}
|
|
|
|
static void
|
|
TestPromptFormats (StackFrame *frame)
|
|
{
|
|
if (frame == NULL)
|
|
return;
|
|
|
|
StreamString s;
|
|
const char *prompt_format =
|
|
"{addr = '${addr}'\n}"
|
|
"{process.id = '${process.id}'\n}"
|
|
"{process.name = '${process.name}'\n}"
|
|
"{process.file.basename = '${process.file.basename}'\n}"
|
|
"{process.file.fullpath = '${process.file.fullpath}'\n}"
|
|
"{thread.id = '${thread.id}'\n}"
|
|
"{thread.index = '${thread.index}'\n}"
|
|
"{thread.name = '${thread.name}'\n}"
|
|
"{thread.queue = '${thread.queue}'\n}"
|
|
"{thread.stop-reason = '${thread.stop-reason}'\n}"
|
|
"{target.arch = '${target.arch}'\n}"
|
|
"{module.file.basename = '${module.file.basename}'\n}"
|
|
"{module.file.fullpath = '${module.file.fullpath}'\n}"
|
|
"{file.basename = '${file.basename}'\n}"
|
|
"{file.fullpath = '${file.fullpath}'\n}"
|
|
"{frame.index = '${frame.index}'\n}"
|
|
"{frame.pc = '${frame.pc}'\n}"
|
|
"{frame.sp = '${frame.sp}'\n}"
|
|
"{frame.fp = '${frame.fp}'\n}"
|
|
"{frame.flags = '${frame.flags}'\n}"
|
|
"{frame.reg.rdi = '${frame.reg.rdi}'\n}"
|
|
"{frame.reg.rip = '${frame.reg.rip}'\n}"
|
|
"{frame.reg.rsp = '${frame.reg.rsp}'\n}"
|
|
"{frame.reg.rbp = '${frame.reg.rbp}'\n}"
|
|
"{frame.reg.rflags = '${frame.reg.rflags}'\n}"
|
|
"{frame.reg.xmm0 = '${frame.reg.xmm0}'\n}"
|
|
"{frame.reg.carp = '${frame.reg.carp}'\n}"
|
|
"{function.id = '${function.id}'\n}"
|
|
"{function.name = '${function.name}'\n}"
|
|
"{function.name-with-args = '${function.name-with-args}'\n}"
|
|
"{function.addr-offset = '${function.addr-offset}'\n}"
|
|
"{function.line-offset = '${function.line-offset}'\n}"
|
|
"{function.pc-offset = '${function.pc-offset}'\n}"
|
|
"{line.file.basename = '${line.file.basename}'\n}"
|
|
"{line.file.fullpath = '${line.file.fullpath}'\n}"
|
|
"{line.number = '${line.number}'\n}"
|
|
"{line.start-addr = '${line.start-addr}'\n}"
|
|
"{line.end-addr = '${line.end-addr}'\n}"
|
|
;
|
|
|
|
SymbolContext sc (frame->GetSymbolContext(eSymbolContextEverything));
|
|
ExecutionContext exe_ctx;
|
|
frame->CalculateExecutionContext(exe_ctx);
|
|
if (Debugger::FormatPrompt (prompt_format, &sc, &exe_ctx, &sc.line_entry.range.GetBaseAddress(), s))
|
|
{
|
|
printf("%s\n", s.GetData());
|
|
}
|
|
else
|
|
{
|
|
printf ("what we got: %s\n", s.GetData());
|
|
}
|
|
}
|
|
|
|
static bool
|
|
ScanFormatDescriptor (const char* var_name_begin,
|
|
const char* var_name_end,
|
|
const char** var_name_final,
|
|
const char** percent_position,
|
|
Format* custom_format,
|
|
ValueObject::ValueObjectRepresentationStyle* val_obj_display)
|
|
{
|
|
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_TYPES));
|
|
*percent_position = ::strchr(var_name_begin,'%');
|
|
if (!*percent_position || *percent_position > var_name_end)
|
|
{
|
|
if (log)
|
|
log->Printf("[ScanFormatDescriptor] no format descriptor in string, skipping");
|
|
*var_name_final = var_name_end;
|
|
}
|
|
else
|
|
{
|
|
*var_name_final = *percent_position;
|
|
std::string format_name(*var_name_final+1, var_name_end-*var_name_final-1);
|
|
if (log)
|
|
log->Printf("[ScanFormatDescriptor] parsing %s as a format descriptor", format_name.c_str());
|
|
if ( !FormatManager::GetFormatFromCString(format_name.c_str(),
|
|
true,
|
|
*custom_format) )
|
|
{
|
|
if (log)
|
|
log->Printf("[ScanFormatDescriptor] %s is an unknown format", format_name.c_str());
|
|
|
|
switch (format_name.front())
|
|
{
|
|
case '@': // if this is an @ sign, print ObjC description
|
|
*val_obj_display = ValueObject::eValueObjectRepresentationStyleLanguageSpecific;
|
|
break;
|
|
case 'V': // if this is a V, print the value using the default format
|
|
*val_obj_display = ValueObject::eValueObjectRepresentationStyleValue;
|
|
break;
|
|
case 'L': // if this is an L, print the location of the value
|
|
*val_obj_display = ValueObject::eValueObjectRepresentationStyleLocation;
|
|
break;
|
|
case 'S': // if this is an S, print the summary after all
|
|
*val_obj_display = ValueObject::eValueObjectRepresentationStyleSummary;
|
|
break;
|
|
case '#': // if this is a '#', print the number of children
|
|
*val_obj_display = ValueObject::eValueObjectRepresentationStyleChildrenCount;
|
|
break;
|
|
case 'T': // if this is a 'T', print the type
|
|
*val_obj_display = ValueObject::eValueObjectRepresentationStyleType;
|
|
break;
|
|
case 'N': // if this is a 'N', print the name
|
|
*val_obj_display = ValueObject::eValueObjectRepresentationStyleName;
|
|
break;
|
|
case '>': // if this is a '>', print the name
|
|
*val_obj_display = ValueObject::eValueObjectRepresentationStyleExpressionPath;
|
|
break;
|
|
default:
|
|
if (log)
|
|
log->Printf("ScanFormatDescriptor] %s is an error, leaving the previous value alone", format_name.c_str());
|
|
break;
|
|
}
|
|
}
|
|
// a good custom format tells us to print the value using it
|
|
else
|
|
{
|
|
if (log)
|
|
log->Printf("[ScanFormatDescriptor] will display value for this VO");
|
|
*val_obj_display = ValueObject::eValueObjectRepresentationStyleValue;
|
|
}
|
|
}
|
|
if (log)
|
|
log->Printf("[ScanFormatDescriptor] final format description outcome: custom_format = %d, val_obj_display = %d",
|
|
*custom_format,
|
|
*val_obj_display);
|
|
return true;
|
|
}
|
|
|
|
static bool
|
|
ScanBracketedRange (const char* var_name_begin,
|
|
const char* var_name_end,
|
|
const char* var_name_final,
|
|
const char** open_bracket_position,
|
|
const char** separator_position,
|
|
const char** close_bracket_position,
|
|
const char** var_name_final_if_array_range,
|
|
int64_t* index_lower,
|
|
int64_t* index_higher)
|
|
{
|
|
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_TYPES));
|
|
*open_bracket_position = ::strchr(var_name_begin,'[');
|
|
if (*open_bracket_position && *open_bracket_position < var_name_final)
|
|
{
|
|
*separator_position = ::strchr(*open_bracket_position,'-'); // might be NULL if this is a simple var[N] bitfield
|
|
*close_bracket_position = ::strchr(*open_bracket_position,']');
|
|
// as usual, we assume that [] will come before %
|
|
//printf("trying to expand a []\n");
|
|
*var_name_final_if_array_range = *open_bracket_position;
|
|
if (*close_bracket_position - *open_bracket_position == 1)
|
|
{
|
|
if (log)
|
|
log->Printf("[ScanBracketedRange] '[]' detected.. going from 0 to end of data");
|
|
*index_lower = 0;
|
|
}
|
|
else if (*separator_position == NULL || *separator_position > var_name_end)
|
|
{
|
|
char *end = NULL;
|
|
*index_lower = ::strtoul (*open_bracket_position+1, &end, 0);
|
|
*index_higher = *index_lower;
|
|
if (log)
|
|
log->Printf("[ScanBracketedRange] [%" PRId64 "] detected, high index is same", *index_lower);
|
|
}
|
|
else if (*close_bracket_position && *close_bracket_position < var_name_end)
|
|
{
|
|
char *end = NULL;
|
|
*index_lower = ::strtoul (*open_bracket_position+1, &end, 0);
|
|
*index_higher = ::strtoul (*separator_position+1, &end, 0);
|
|
if (log)
|
|
log->Printf("[ScanBracketedRange] [%" PRId64 "-%" PRId64 "] detected", *index_lower, *index_higher);
|
|
}
|
|
else
|
|
{
|
|
if (log)
|
|
log->Printf("[ScanBracketedRange] expression is erroneous, cannot extract indices out of it");
|
|
return false;
|
|
}
|
|
if (*index_lower > *index_higher && *index_higher > 0)
|
|
{
|
|
if (log)
|
|
log->Printf("[ScanBracketedRange] swapping indices");
|
|
int64_t temp = *index_lower;
|
|
*index_lower = *index_higher;
|
|
*index_higher = temp;
|
|
}
|
|
}
|
|
else if (log)
|
|
log->Printf("[ScanBracketedRange] no bracketed range, skipping entirely");
|
|
return true;
|
|
}
|
|
|
|
template <typename T>
|
|
static bool RunScriptFormatKeyword(Stream &s, ScriptInterpreter *script_interpreter, T t, const std::string& script_name)
|
|
{
|
|
if (script_interpreter)
|
|
{
|
|
Error script_error;
|
|
std::string script_output;
|
|
|
|
if (script_interpreter->RunScriptFormatKeyword(script_name.c_str(), t, script_output, script_error) && script_error.Success())
|
|
{
|
|
s.Printf("%s", script_output.c_str());
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
s.Printf("<error: %s>",script_error.AsCString());
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
static ValueObjectSP
|
|
ExpandIndexedExpression (ValueObject* valobj,
|
|
size_t index,
|
|
StackFrame* frame,
|
|
bool deref_pointer)
|
|
{
|
|
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_TYPES));
|
|
const char* ptr_deref_format = "[%d]";
|
|
std::string ptr_deref_buffer(10,0);
|
|
::sprintf(&ptr_deref_buffer[0], ptr_deref_format, index);
|
|
if (log)
|
|
log->Printf("[ExpandIndexedExpression] name to deref: %s",ptr_deref_buffer.c_str());
|
|
const char* first_unparsed;
|
|
ValueObject::GetValueForExpressionPathOptions options;
|
|
ValueObject::ExpressionPathEndResultType final_value_type;
|
|
ValueObject::ExpressionPathScanEndReason reason_to_stop;
|
|
ValueObject::ExpressionPathAftermath what_next = (deref_pointer ? ValueObject::eExpressionPathAftermathDereference : ValueObject::eExpressionPathAftermathNothing);
|
|
ValueObjectSP item = valobj->GetValueForExpressionPath (ptr_deref_buffer.c_str(),
|
|
&first_unparsed,
|
|
&reason_to_stop,
|
|
&final_value_type,
|
|
options,
|
|
&what_next);
|
|
if (!item)
|
|
{
|
|
if (log)
|
|
log->Printf("[ExpandIndexedExpression] ERROR: unparsed portion = %s, why stopping = %d,"
|
|
" final_value_type %d",
|
|
first_unparsed, reason_to_stop, final_value_type);
|
|
}
|
|
else
|
|
{
|
|
if (log)
|
|
log->Printf("[ExpandIndexedExpression] ALL RIGHT: unparsed portion = %s, why stopping = %d,"
|
|
" final_value_type %d",
|
|
first_unparsed, reason_to_stop, final_value_type);
|
|
}
|
|
return item;
|
|
}
|
|
|
|
static inline bool
|
|
IsToken(const char *var_name_begin, const char *var)
|
|
{
|
|
return (::strncmp (var_name_begin, var, strlen(var)) == 0);
|
|
}
|
|
|
|
static bool
|
|
IsTokenWithFormat(const char *var_name_begin, const char *var, std::string &format, const char *default_format,
|
|
const ExecutionContext *exe_ctx_ptr, const SymbolContext *sc_ptr)
|
|
{
|
|
int var_len = strlen(var);
|
|
if (::strncmp (var_name_begin, var, var_len) == 0)
|
|
{
|
|
var_name_begin += var_len;
|
|
if (*var_name_begin == '}')
|
|
{
|
|
format = default_format;
|
|
return true;
|
|
}
|
|
else if (*var_name_begin == '%')
|
|
{
|
|
// Allow format specifiers: x|X|u with optional width specifiers.
|
|
// ${thread.id%x} ; hex
|
|
// ${thread.id%X} ; uppercase hex
|
|
// ${thread.id%u} ; unsigned decimal
|
|
// ${thread.id%8.8X} ; width.precision + specifier
|
|
// ${thread.id%tid} ; unsigned on FreeBSD/Linux, otherwise default_format (0x%4.4x for thread.id)
|
|
int dot_count = 0;
|
|
const char *specifier = NULL;
|
|
int width_precision_length = 0;
|
|
const char *width_precision = ++var_name_begin;
|
|
while (isdigit(*var_name_begin) || *var_name_begin == '.')
|
|
{
|
|
dot_count += (*var_name_begin == '.');
|
|
if (dot_count > 1)
|
|
break;
|
|
var_name_begin++;
|
|
width_precision_length++;
|
|
}
|
|
|
|
if (IsToken (var_name_begin, "tid}"))
|
|
{
|
|
Target *target = Target::GetTargetFromContexts (exe_ctx_ptr, sc_ptr);
|
|
if (target)
|
|
{
|
|
ArchSpec arch (target->GetArchitecture ());
|
|
llvm::Triple::OSType ostype = arch.IsValid() ? arch.GetTriple().getOS() : llvm::Triple::UnknownOS;
|
|
if ((ostype == llvm::Triple::FreeBSD) || (ostype == llvm::Triple::Linux))
|
|
specifier = PRIu64;
|
|
}
|
|
if (!specifier)
|
|
{
|
|
format = default_format;
|
|
return true;
|
|
}
|
|
}
|
|
else if (IsToken (var_name_begin, "x}"))
|
|
specifier = PRIx64;
|
|
else if (IsToken (var_name_begin, "X}"))
|
|
specifier = PRIX64;
|
|
else if (IsToken (var_name_begin, "u}"))
|
|
specifier = PRIu64;
|
|
|
|
if (specifier)
|
|
{
|
|
format = "%";
|
|
if (width_precision_length)
|
|
format += std::string(width_precision, width_precision_length);
|
|
format += specifier;
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
static bool
|
|
FormatPromptRecurse
|
|
(
|
|
const char *format,
|
|
const SymbolContext *sc,
|
|
const ExecutionContext *exe_ctx,
|
|
const Address *addr,
|
|
Stream &s,
|
|
const char **end,
|
|
ValueObject* valobj
|
|
)
|
|
{
|
|
ValueObject* realvalobj = NULL; // makes it super-easy to parse pointers
|
|
bool success = true;
|
|
const char *p;
|
|
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_TYPES));
|
|
|
|
for (p = format; *p != '\0'; ++p)
|
|
{
|
|
if (realvalobj)
|
|
{
|
|
valobj = realvalobj;
|
|
realvalobj = NULL;
|
|
}
|
|
size_t non_special_chars = ::strcspn (p, "${}\\");
|
|
if (non_special_chars > 0)
|
|
{
|
|
if (success)
|
|
s.Write (p, non_special_chars);
|
|
p += non_special_chars;
|
|
}
|
|
|
|
if (*p == '\0')
|
|
{
|
|
break;
|
|
}
|
|
else if (*p == '{')
|
|
{
|
|
// Start a new scope that must have everything it needs if it is to
|
|
// to make it into the final output stream "s". If you want to make
|
|
// a format that only prints out the function or symbol name if there
|
|
// is one in the symbol context you can use:
|
|
// "{function =${function.name}}"
|
|
// The first '{' starts a new scope that end with the matching '}' at
|
|
// the end of the string. The contents "function =${function.name}"
|
|
// will then be evaluated and only be output if there is a function
|
|
// or symbol with a valid name.
|
|
StreamString sub_strm;
|
|
|
|
++p; // Skip the '{'
|
|
|
|
if (FormatPromptRecurse (p, sc, exe_ctx, addr, sub_strm, &p, valobj))
|
|
{
|
|
// The stream had all it needed
|
|
s.Write(sub_strm.GetData(), sub_strm.GetSize());
|
|
}
|
|
if (*p != '}')
|
|
{
|
|
success = false;
|
|
break;
|
|
}
|
|
}
|
|
else if (*p == '}')
|
|
{
|
|
// End of a enclosing scope
|
|
break;
|
|
}
|
|
else if (*p == '$')
|
|
{
|
|
// We have a prompt variable to print
|
|
++p;
|
|
if (*p == '{')
|
|
{
|
|
++p;
|
|
const char *var_name_begin = p;
|
|
const char *var_name_end = ::strchr (p, '}');
|
|
|
|
if (var_name_end && var_name_begin < var_name_end)
|
|
{
|
|
// if we have already failed to parse, skip this variable
|
|
if (success)
|
|
{
|
|
const char *cstr = NULL;
|
|
std::string token_format;
|
|
Address format_addr;
|
|
bool calculate_format_addr_function_offset = false;
|
|
// Set reg_kind and reg_num to invalid values
|
|
RegisterKind reg_kind = kNumRegisterKinds;
|
|
uint32_t reg_num = LLDB_INVALID_REGNUM;
|
|
FileSpec format_file_spec;
|
|
const RegisterInfo *reg_info = NULL;
|
|
RegisterContext *reg_ctx = NULL;
|
|
bool do_deref_pointer = false;
|
|
ValueObject::ExpressionPathScanEndReason reason_to_stop = ValueObject::eExpressionPathScanEndReasonEndOfString;
|
|
ValueObject::ExpressionPathEndResultType final_value_type = ValueObject::eExpressionPathEndResultTypePlain;
|
|
|
|
// Each variable must set success to true below...
|
|
bool var_success = false;
|
|
switch (var_name_begin[0])
|
|
{
|
|
case '*':
|
|
case 'v':
|
|
case 's':
|
|
{
|
|
if (!valobj)
|
|
break;
|
|
|
|
if (log)
|
|
log->Printf("[Debugger::FormatPrompt] initial string: %s",var_name_begin);
|
|
|
|
// check for *var and *svar
|
|
if (*var_name_begin == '*')
|
|
{
|
|
do_deref_pointer = true;
|
|
var_name_begin++;
|
|
if (log)
|
|
log->Printf("[Debugger::FormatPrompt] found a deref, new string is: %s",var_name_begin);
|
|
}
|
|
|
|
if (*var_name_begin == 's')
|
|
{
|
|
if (!valobj->IsSynthetic())
|
|
valobj = valobj->GetSyntheticValue().get();
|
|
if (!valobj)
|
|
break;
|
|
var_name_begin++;
|
|
if (log)
|
|
log->Printf("[Debugger::FormatPrompt] found a synthetic, new string is: %s",var_name_begin);
|
|
}
|
|
|
|
// should be a 'v' by now
|
|
if (*var_name_begin != 'v')
|
|
break;
|
|
|
|
if (log)
|
|
log->Printf("[Debugger::FormatPrompt] string I am working with: %s",var_name_begin);
|
|
|
|
ValueObject::ExpressionPathAftermath what_next = (do_deref_pointer ?
|
|
ValueObject::eExpressionPathAftermathDereference : ValueObject::eExpressionPathAftermathNothing);
|
|
ValueObject::GetValueForExpressionPathOptions options;
|
|
options.DontCheckDotVsArrowSyntax().DoAllowBitfieldSyntax().DoAllowFragileIVar().DoAllowSyntheticChildren();
|
|
ValueObject::ValueObjectRepresentationStyle val_obj_display = ValueObject::eValueObjectRepresentationStyleSummary;
|
|
ValueObject* target = NULL;
|
|
Format custom_format = eFormatInvalid;
|
|
const char* var_name_final = NULL;
|
|
const char* var_name_final_if_array_range = NULL;
|
|
const char* close_bracket_position = NULL;
|
|
int64_t index_lower = -1;
|
|
int64_t index_higher = -1;
|
|
bool is_array_range = false;
|
|
const char* first_unparsed;
|
|
bool was_plain_var = false;
|
|
bool was_var_format = false;
|
|
bool was_var_indexed = false;
|
|
|
|
if (!valobj) break;
|
|
// simplest case ${var}, just print valobj's value
|
|
if (IsToken (var_name_begin, "var}"))
|
|
{
|
|
was_plain_var = true;
|
|
target = valobj;
|
|
val_obj_display = ValueObject::eValueObjectRepresentationStyleValue;
|
|
}
|
|
else if (IsToken (var_name_begin,"var%"))
|
|
{
|
|
was_var_format = true;
|
|
// this is a variable with some custom format applied to it
|
|
const char* percent_position;
|
|
target = valobj;
|
|
val_obj_display = ValueObject::eValueObjectRepresentationStyleValue;
|
|
ScanFormatDescriptor (var_name_begin,
|
|
var_name_end,
|
|
&var_name_final,
|
|
&percent_position,
|
|
&custom_format,
|
|
&val_obj_display);
|
|
}
|
|
// this is ${var.something} or multiple .something nested
|
|
else if (IsToken (var_name_begin, "var"))
|
|
{
|
|
if (IsToken (var_name_begin, "var["))
|
|
was_var_indexed = true;
|
|
const char* percent_position;
|
|
ScanFormatDescriptor (var_name_begin,
|
|
var_name_end,
|
|
&var_name_final,
|
|
&percent_position,
|
|
&custom_format,
|
|
&val_obj_display);
|
|
|
|
const char* open_bracket_position;
|
|
const char* separator_position;
|
|
ScanBracketedRange (var_name_begin,
|
|
var_name_end,
|
|
var_name_final,
|
|
&open_bracket_position,
|
|
&separator_position,
|
|
&close_bracket_position,
|
|
&var_name_final_if_array_range,
|
|
&index_lower,
|
|
&index_higher);
|
|
|
|
Error error;
|
|
|
|
std::string expr_path(var_name_final-var_name_begin-1,0);
|
|
memcpy(&expr_path[0], var_name_begin+3,var_name_final-var_name_begin-3);
|
|
|
|
if (log)
|
|
log->Printf("[Debugger::FormatPrompt] symbol to expand: %s",expr_path.c_str());
|
|
|
|
target = valobj->GetValueForExpressionPath(expr_path.c_str(),
|
|
&first_unparsed,
|
|
&reason_to_stop,
|
|
&final_value_type,
|
|
options,
|
|
&what_next).get();
|
|
|
|
if (!target)
|
|
{
|
|
if (log)
|
|
log->Printf("[Debugger::FormatPrompt] ERROR: unparsed portion = %s, why stopping = %d,"
|
|
" final_value_type %d",
|
|
first_unparsed, reason_to_stop, final_value_type);
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
if (log)
|
|
log->Printf("[Debugger::FormatPrompt] ALL RIGHT: unparsed portion = %s, why stopping = %d,"
|
|
" final_value_type %d",
|
|
first_unparsed, reason_to_stop, final_value_type);
|
|
}
|
|
}
|
|
else
|
|
break;
|
|
|
|
is_array_range = (final_value_type == ValueObject::eExpressionPathEndResultTypeBoundedRange ||
|
|
final_value_type == ValueObject::eExpressionPathEndResultTypeUnboundedRange);
|
|
|
|
do_deref_pointer = (what_next == ValueObject::eExpressionPathAftermathDereference);
|
|
|
|
if (do_deref_pointer && !is_array_range)
|
|
{
|
|
// I have not deref-ed yet, let's do it
|
|
// this happens when we are not going through GetValueForVariableExpressionPath
|
|
// to get to the target ValueObject
|
|
Error error;
|
|
target = target->Dereference(error).get();
|
|
if (error.Fail())
|
|
{
|
|
if (log)
|
|
log->Printf("[Debugger::FormatPrompt] ERROR: %s\n", error.AsCString("unknown")); \
|
|
break;
|
|
}
|
|
do_deref_pointer = false;
|
|
}
|
|
|
|
// we do not want to use the summary for a bitfield of type T:n
|
|
// if we were originally dealing with just a T - that would get
|
|
// us into an endless recursion
|
|
if (target->IsBitfield() && was_var_indexed)
|
|
{
|
|
// TODO: check for a (T:n)-specific summary - we should still obey that
|
|
StreamString bitfield_name;
|
|
bitfield_name.Printf("%s:%d", target->GetTypeName().AsCString(), target->GetBitfieldBitSize());
|
|
lldb::TypeNameSpecifierImplSP type_sp(new TypeNameSpecifierImpl(bitfield_name.GetData(),false));
|
|
if (!DataVisualization::GetSummaryForType(type_sp))
|
|
val_obj_display = ValueObject::eValueObjectRepresentationStyleValue;
|
|
}
|
|
|
|
// TODO use flags for these
|
|
const uint32_t type_info_flags = target->GetClangType().GetTypeInfo(NULL);
|
|
bool is_array = (type_info_flags & ClangASTType::eTypeIsArray) != 0;
|
|
bool is_pointer = (type_info_flags & ClangASTType::eTypeIsPointer) != 0;
|
|
bool is_aggregate = target->GetClangType().IsAggregateType();
|
|
|
|
if ((is_array || is_pointer) && (!is_array_range) && val_obj_display == ValueObject::eValueObjectRepresentationStyleValue) // this should be wrong, but there are some exceptions
|
|
{
|
|
StreamString str_temp;
|
|
if (log)
|
|
log->Printf("[Debugger::FormatPrompt] I am into array || pointer && !range");
|
|
|
|
if (target->HasSpecialPrintableRepresentation(val_obj_display, custom_format))
|
|
{
|
|
// try to use the special cases
|
|
var_success = target->DumpPrintableRepresentation(str_temp,
|
|
val_obj_display,
|
|
custom_format);
|
|
if (log)
|
|
log->Printf("[Debugger::FormatPrompt] special cases did%s match", var_success ? "" : "n't");
|
|
|
|
// should not happen
|
|
if (var_success)
|
|
s << str_temp.GetData();
|
|
var_success = true;
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
if (was_plain_var) // if ${var}
|
|
{
|
|
s << target->GetTypeName() << " @ " << target->GetLocationAsCString();
|
|
}
|
|
else if (is_pointer) // if pointer, value is the address stored
|
|
{
|
|
target->DumpPrintableRepresentation (s,
|
|
val_obj_display,
|
|
custom_format,
|
|
ValueObject::ePrintableRepresentationSpecialCasesDisable);
|
|
}
|
|
var_success = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
// if directly trying to print ${var}, and this is an aggregate, display a nice
|
|
// type @ location message
|
|
if (is_aggregate && was_plain_var)
|
|
{
|
|
s << target->GetTypeName() << " @ " << target->GetLocationAsCString();
|
|
var_success = true;
|
|
break;
|
|
}
|
|
|
|
// if directly trying to print ${var%V}, and this is an aggregate, do not let the user do it
|
|
if (is_aggregate && ((was_var_format && val_obj_display == ValueObject::eValueObjectRepresentationStyleValue)))
|
|
{
|
|
s << "<invalid use of aggregate type>";
|
|
var_success = true;
|
|
break;
|
|
}
|
|
|
|
if (!is_array_range)
|
|
{
|
|
if (log)
|
|
log->Printf("[Debugger::FormatPrompt] dumping ordinary printable output");
|
|
var_success = target->DumpPrintableRepresentation(s,val_obj_display, custom_format);
|
|
}
|
|
else
|
|
{
|
|
if (log)
|
|
log->Printf("[Debugger::FormatPrompt] checking if I can handle as array");
|
|
if (!is_array && !is_pointer)
|
|
break;
|
|
if (log)
|
|
log->Printf("[Debugger::FormatPrompt] handle as array");
|
|
const char* special_directions = NULL;
|
|
StreamString special_directions_writer;
|
|
if (close_bracket_position && (var_name_end-close_bracket_position > 1))
|
|
{
|
|
ConstString additional_data;
|
|
additional_data.SetCStringWithLength(close_bracket_position+1, var_name_end-close_bracket_position-1);
|
|
special_directions_writer.Printf("${%svar%s}",
|
|
do_deref_pointer ? "*" : "",
|
|
additional_data.GetCString());
|
|
special_directions = special_directions_writer.GetData();
|
|
}
|
|
|
|
// let us display items index_lower thru index_higher of this array
|
|
s.PutChar('[');
|
|
var_success = true;
|
|
|
|
if (index_higher < 0)
|
|
index_higher = valobj->GetNumChildren() - 1;
|
|
|
|
uint32_t max_num_children = target->GetTargetSP()->GetMaximumNumberOfChildrenToDisplay();
|
|
|
|
for (;index_lower<=index_higher;index_lower++)
|
|
{
|
|
ValueObject* item = ExpandIndexedExpression (target,
|
|
index_lower,
|
|
exe_ctx->GetFramePtr(),
|
|
false).get();
|
|
|
|
if (!item)
|
|
{
|
|
if (log)
|
|
log->Printf("[Debugger::FormatPrompt] ERROR in getting child item at index %" PRId64, index_lower);
|
|
}
|
|
else
|
|
{
|
|
if (log)
|
|
log->Printf("[Debugger::FormatPrompt] special_directions for child item: %s",special_directions);
|
|
}
|
|
|
|
if (!special_directions)
|
|
var_success &= item->DumpPrintableRepresentation(s,val_obj_display, custom_format);
|
|
else
|
|
var_success &= FormatPromptRecurse(special_directions, sc, exe_ctx, addr, s, NULL, item);
|
|
|
|
if (--max_num_children == 0)
|
|
{
|
|
s.PutCString(", ...");
|
|
break;
|
|
}
|
|
|
|
if (index_lower < index_higher)
|
|
s.PutChar(',');
|
|
}
|
|
s.PutChar(']');
|
|
}
|
|
}
|
|
break;
|
|
case 'a':
|
|
if (IsToken (var_name_begin, "addr}"))
|
|
{
|
|
if (addr && addr->IsValid())
|
|
{
|
|
var_success = true;
|
|
format_addr = *addr;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 'p':
|
|
if (IsToken (var_name_begin, "process."))
|
|
{
|
|
if (exe_ctx)
|
|
{
|
|
Process *process = exe_ctx->GetProcessPtr();
|
|
if (process)
|
|
{
|
|
var_name_begin += ::strlen ("process.");
|
|
if (IsTokenWithFormat (var_name_begin, "id", token_format, "%" PRIu64, exe_ctx, sc))
|
|
{
|
|
s.Printf(token_format.c_str(), process->GetID());
|
|
var_success = true;
|
|
}
|
|
else if ((IsToken (var_name_begin, "name}")) ||
|
|
(IsToken (var_name_begin, "file.basename}")) ||
|
|
(IsToken (var_name_begin, "file.fullpath}")))
|
|
{
|
|
Module *exe_module = process->GetTarget().GetExecutableModulePointer();
|
|
if (exe_module)
|
|
{
|
|
if (var_name_begin[0] == 'n' || var_name_begin[5] == 'f')
|
|
{
|
|
format_file_spec.GetFilename() = exe_module->GetFileSpec().GetFilename();
|
|
var_success = (bool)format_file_spec;
|
|
}
|
|
else
|
|
{
|
|
format_file_spec = exe_module->GetFileSpec();
|
|
var_success = (bool)format_file_spec;
|
|
}
|
|
}
|
|
}
|
|
else if (IsToken (var_name_begin, "script:"))
|
|
{
|
|
var_name_begin += ::strlen("script:");
|
|
std::string script_name(var_name_begin,var_name_end);
|
|
ScriptInterpreter* script_interpreter = process->GetTarget().GetDebugger().GetCommandInterpreter().GetScriptInterpreter();
|
|
if (RunScriptFormatKeyword (s, script_interpreter, process, script_name))
|
|
var_success = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 't':
|
|
if (IsToken (var_name_begin, "thread."))
|
|
{
|
|
if (exe_ctx)
|
|
{
|
|
Thread *thread = exe_ctx->GetThreadPtr();
|
|
if (thread)
|
|
{
|
|
var_name_begin += ::strlen ("thread.");
|
|
if (IsTokenWithFormat (var_name_begin, "id", token_format, "0x%4.4" PRIx64, exe_ctx, sc))
|
|
{
|
|
s.Printf(token_format.c_str(), thread->GetID());
|
|
var_success = true;
|
|
}
|
|
else if (IsTokenWithFormat (var_name_begin, "protocol_id", token_format, "0x%4.4" PRIx64, exe_ctx, sc))
|
|
{
|
|
s.Printf(token_format.c_str(), thread->GetProtocolID());
|
|
var_success = true;
|
|
}
|
|
else if (IsTokenWithFormat (var_name_begin, "index", token_format, "%" PRIu64, exe_ctx, sc))
|
|
{
|
|
s.Printf(token_format.c_str(), (uint64_t)thread->GetIndexID());
|
|
var_success = true;
|
|
}
|
|
else if (IsToken (var_name_begin, "name}"))
|
|
{
|
|
cstr = thread->GetName();
|
|
var_success = cstr && cstr[0];
|
|
if (var_success)
|
|
s.PutCString(cstr);
|
|
}
|
|
else if (IsToken (var_name_begin, "queue}"))
|
|
{
|
|
cstr = thread->GetQueueName();
|
|
var_success = cstr && cstr[0];
|
|
if (var_success)
|
|
s.PutCString(cstr);
|
|
}
|
|
else if (IsToken (var_name_begin, "stop-reason}"))
|
|
{
|
|
StopInfoSP stop_info_sp = thread->GetStopInfo ();
|
|
if (stop_info_sp && stop_info_sp->IsValid())
|
|
{
|
|
cstr = stop_info_sp->GetDescription();
|
|
if (cstr && cstr[0])
|
|
{
|
|
s.PutCString(cstr);
|
|
var_success = true;
|
|
}
|
|
}
|
|
}
|
|
else if (IsToken (var_name_begin, "return-value}"))
|
|
{
|
|
StopInfoSP stop_info_sp = thread->GetStopInfo ();
|
|
if (stop_info_sp && stop_info_sp->IsValid())
|
|
{
|
|
ValueObjectSP return_valobj_sp = StopInfo::GetReturnValueObject (stop_info_sp);
|
|
if (return_valobj_sp)
|
|
{
|
|
return_valobj_sp->Dump(s);
|
|
var_success = true;
|
|
}
|
|
}
|
|
}
|
|
else if (IsToken (var_name_begin, "script:"))
|
|
{
|
|
var_name_begin += ::strlen("script:");
|
|
std::string script_name(var_name_begin,var_name_end);
|
|
ScriptInterpreter* script_interpreter = thread->GetProcess()->GetTarget().GetDebugger().GetCommandInterpreter().GetScriptInterpreter();
|
|
if (RunScriptFormatKeyword (s, script_interpreter, thread, script_name))
|
|
var_success = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else if (IsToken (var_name_begin, "target."))
|
|
{
|
|
// TODO: hookup properties
|
|
// if (!target_properties_sp)
|
|
// {
|
|
// Target *target = Target::GetTargetFromContexts (exe_ctx, sc);
|
|
// if (target)
|
|
// target_properties_sp = target->GetProperties();
|
|
// }
|
|
//
|
|
// if (target_properties_sp)
|
|
// {
|
|
// var_name_begin += ::strlen ("target.");
|
|
// const char *end_property = strchr(var_name_begin, '}');
|
|
// if (end_property)
|
|
// {
|
|
// ConstString property_name(var_name_begin, end_property - var_name_begin);
|
|
// std::string property_value (target_properties_sp->GetPropertyValue(property_name));
|
|
// if (!property_value.empty())
|
|
// {
|
|
// s.PutCString (property_value.c_str());
|
|
// var_success = true;
|
|
// }
|
|
// }
|
|
// }
|
|
Target *target = Target::GetTargetFromContexts (exe_ctx, sc);
|
|
if (target)
|
|
{
|
|
var_name_begin += ::strlen ("target.");
|
|
if (IsToken (var_name_begin, "arch}"))
|
|
{
|
|
ArchSpec arch (target->GetArchitecture ());
|
|
if (arch.IsValid())
|
|
{
|
|
s.PutCString (arch.GetArchitectureName());
|
|
var_success = true;
|
|
}
|
|
}
|
|
else if (IsToken (var_name_begin, "script:"))
|
|
{
|
|
var_name_begin += ::strlen("script:");
|
|
std::string script_name(var_name_begin,var_name_end);
|
|
ScriptInterpreter* script_interpreter = target->GetDebugger().GetCommandInterpreter().GetScriptInterpreter();
|
|
if (RunScriptFormatKeyword (s, script_interpreter, target, script_name))
|
|
var_success = true;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
|
|
case 'm':
|
|
if (IsToken (var_name_begin, "module."))
|
|
{
|
|
if (sc && sc->module_sp.get())
|
|
{
|
|
Module *module = sc->module_sp.get();
|
|
var_name_begin += ::strlen ("module.");
|
|
|
|
if (IsToken (var_name_begin, "file."))
|
|
{
|
|
if (module->GetFileSpec())
|
|
{
|
|
var_name_begin += ::strlen ("file.");
|
|
|
|
if (IsToken (var_name_begin, "basename}"))
|
|
{
|
|
format_file_spec.GetFilename() = module->GetFileSpec().GetFilename();
|
|
var_success = (bool)format_file_spec;
|
|
}
|
|
else if (IsToken (var_name_begin, "fullpath}"))
|
|
{
|
|
format_file_spec = module->GetFileSpec();
|
|
var_success = (bool)format_file_spec;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
|
|
case 'f':
|
|
if (IsToken (var_name_begin, "file."))
|
|
{
|
|
if (sc && sc->comp_unit != NULL)
|
|
{
|
|
var_name_begin += ::strlen ("file.");
|
|
|
|
if (IsToken (var_name_begin, "basename}"))
|
|
{
|
|
format_file_spec.GetFilename() = sc->comp_unit->GetFilename();
|
|
var_success = (bool)format_file_spec;
|
|
}
|
|
else if (IsToken (var_name_begin, "fullpath}"))
|
|
{
|
|
format_file_spec = *sc->comp_unit;
|
|
var_success = (bool)format_file_spec;
|
|
}
|
|
}
|
|
}
|
|
else if (IsToken (var_name_begin, "frame."))
|
|
{
|
|
if (exe_ctx)
|
|
{
|
|
StackFrame *frame = exe_ctx->GetFramePtr();
|
|
if (frame)
|
|
{
|
|
var_name_begin += ::strlen ("frame.");
|
|
if (IsToken (var_name_begin, "index}"))
|
|
{
|
|
s.Printf("%u", frame->GetFrameIndex());
|
|
var_success = true;
|
|
}
|
|
else if (IsToken (var_name_begin, "pc}"))
|
|
{
|
|
reg_kind = eRegisterKindGeneric;
|
|
reg_num = LLDB_REGNUM_GENERIC_PC;
|
|
var_success = true;
|
|
}
|
|
else if (IsToken (var_name_begin, "sp}"))
|
|
{
|
|
reg_kind = eRegisterKindGeneric;
|
|
reg_num = LLDB_REGNUM_GENERIC_SP;
|
|
var_success = true;
|
|
}
|
|
else if (IsToken (var_name_begin, "fp}"))
|
|
{
|
|
reg_kind = eRegisterKindGeneric;
|
|
reg_num = LLDB_REGNUM_GENERIC_FP;
|
|
var_success = true;
|
|
}
|
|
else if (IsToken (var_name_begin, "flags}"))
|
|
{
|
|
reg_kind = eRegisterKindGeneric;
|
|
reg_num = LLDB_REGNUM_GENERIC_FLAGS;
|
|
var_success = true;
|
|
}
|
|
else if (IsToken (var_name_begin, "reg."))
|
|
{
|
|
reg_ctx = frame->GetRegisterContext().get();
|
|
if (reg_ctx)
|
|
{
|
|
var_name_begin += ::strlen ("reg.");
|
|
if (var_name_begin < var_name_end)
|
|
{
|
|
std::string reg_name (var_name_begin, var_name_end);
|
|
reg_info = reg_ctx->GetRegisterInfoByName (reg_name.c_str());
|
|
if (reg_info)
|
|
var_success = true;
|
|
}
|
|
}
|
|
}
|
|
else if (IsToken (var_name_begin, "script:"))
|
|
{
|
|
var_name_begin += ::strlen("script:");
|
|
std::string script_name(var_name_begin,var_name_end);
|
|
ScriptInterpreter* script_interpreter = frame->GetThread()->GetProcess()->GetTarget().GetDebugger().GetCommandInterpreter().GetScriptInterpreter();
|
|
if (RunScriptFormatKeyword (s, script_interpreter, frame, script_name))
|
|
var_success = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else if (IsToken (var_name_begin, "function."))
|
|
{
|
|
if (sc && (sc->function != NULL || sc->symbol != NULL))
|
|
{
|
|
var_name_begin += ::strlen ("function.");
|
|
if (IsToken (var_name_begin, "id}"))
|
|
{
|
|
if (sc->function)
|
|
s.Printf("function{0x%8.8" PRIx64 "}", sc->function->GetID());
|
|
else
|
|
s.Printf("symbol[%u]", sc->symbol->GetID());
|
|
|
|
var_success = true;
|
|
}
|
|
else if (IsToken (var_name_begin, "name}"))
|
|
{
|
|
if (sc->function)
|
|
cstr = sc->function->GetName().AsCString (NULL);
|
|
else if (sc->symbol)
|
|
cstr = sc->symbol->GetName().AsCString (NULL);
|
|
if (cstr)
|
|
{
|
|
s.PutCString(cstr);
|
|
|
|
if (sc->block)
|
|
{
|
|
Block *inline_block = sc->block->GetContainingInlinedBlock ();
|
|
if (inline_block)
|
|
{
|
|
const InlineFunctionInfo *inline_info = sc->block->GetInlinedFunctionInfo();
|
|
if (inline_info)
|
|
{
|
|
s.PutCString(" [inlined] ");
|
|
inline_info->GetName().Dump(&s);
|
|
}
|
|
}
|
|
}
|
|
var_success = true;
|
|
}
|
|
}
|
|
else if (IsToken (var_name_begin, "name-with-args}"))
|
|
{
|
|
// Print the function name with arguments in it
|
|
|
|
if (sc->function)
|
|
{
|
|
var_success = true;
|
|
ExecutionContextScope *exe_scope = exe_ctx ? exe_ctx->GetBestExecutionContextScope() : NULL;
|
|
cstr = sc->function->GetName().AsCString (NULL);
|
|
if (cstr)
|
|
{
|
|
const InlineFunctionInfo *inline_info = NULL;
|
|
VariableListSP variable_list_sp;
|
|
bool get_function_vars = true;
|
|
if (sc->block)
|
|
{
|
|
Block *inline_block = sc->block->GetContainingInlinedBlock ();
|
|
|
|
if (inline_block)
|
|
{
|
|
get_function_vars = false;
|
|
inline_info = sc->block->GetInlinedFunctionInfo();
|
|
if (inline_info)
|
|
variable_list_sp = inline_block->GetBlockVariableList (true);
|
|
}
|
|
}
|
|
|
|
if (get_function_vars)
|
|
{
|
|
variable_list_sp = sc->function->GetBlock(true).GetBlockVariableList (true);
|
|
}
|
|
|
|
if (inline_info)
|
|
{
|
|
s.PutCString (cstr);
|
|
s.PutCString (" [inlined] ");
|
|
cstr = inline_info->GetName().GetCString();
|
|
}
|
|
|
|
VariableList args;
|
|
if (variable_list_sp)
|
|
variable_list_sp->AppendVariablesWithScope(eValueTypeVariableArgument, args);
|
|
if (args.GetSize() > 0)
|
|
{
|
|
const char *open_paren = strchr (cstr, '(');
|
|
const char *close_paren = NULL;
|
|
if (open_paren)
|
|
{
|
|
if (IsToken (open_paren, "(anonymous namespace)"))
|
|
{
|
|
open_paren = strchr (open_paren + strlen("(anonymous namespace)"), '(');
|
|
if (open_paren)
|
|
close_paren = strchr (open_paren, ')');
|
|
}
|
|
else
|
|
close_paren = strchr (open_paren, ')');
|
|
}
|
|
|
|
if (open_paren)
|
|
s.Write(cstr, open_paren - cstr + 1);
|
|
else
|
|
{
|
|
s.PutCString (cstr);
|
|
s.PutChar ('(');
|
|
}
|
|
const size_t num_args = args.GetSize();
|
|
for (size_t arg_idx = 0; arg_idx < num_args; ++arg_idx)
|
|
{
|
|
VariableSP var_sp (args.GetVariableAtIndex (arg_idx));
|
|
ValueObjectSP var_value_sp (ValueObjectVariable::Create (exe_scope, var_sp));
|
|
const char *var_name = var_value_sp->GetName().GetCString();
|
|
const char *var_value = var_value_sp->GetValueAsCString();
|
|
if (arg_idx > 0)
|
|
s.PutCString (", ");
|
|
if (var_value_sp->GetError().Success())
|
|
{
|
|
if (var_value)
|
|
s.Printf ("%s=%s", var_name, var_value);
|
|
else
|
|
s.Printf ("%s=%s at %s", var_name, var_value_sp->GetTypeName().GetCString(), var_value_sp->GetLocationAsCString());
|
|
}
|
|
else
|
|
s.Printf ("%s=<unavailable>", var_name);
|
|
}
|
|
|
|
if (close_paren)
|
|
s.PutCString (close_paren);
|
|
else
|
|
s.PutChar(')');
|
|
|
|
}
|
|
else
|
|
{
|
|
s.PutCString(cstr);
|
|
}
|
|
}
|
|
}
|
|
else if (sc->symbol)
|
|
{
|
|
cstr = sc->symbol->GetName().AsCString (NULL);
|
|
if (cstr)
|
|
{
|
|
s.PutCString(cstr);
|
|
var_success = true;
|
|
}
|
|
}
|
|
}
|
|
else if (IsToken (var_name_begin, "addr-offset}"))
|
|
{
|
|
var_success = addr != NULL;
|
|
if (var_success)
|
|
{
|
|
format_addr = *addr;
|
|
calculate_format_addr_function_offset = true;
|
|
}
|
|
}
|
|
else if (IsToken (var_name_begin, "line-offset}"))
|
|
{
|
|
var_success = sc->line_entry.range.GetBaseAddress().IsValid();
|
|
if (var_success)
|
|
{
|
|
format_addr = sc->line_entry.range.GetBaseAddress();
|
|
calculate_format_addr_function_offset = true;
|
|
}
|
|
}
|
|
else if (IsToken (var_name_begin, "pc-offset}"))
|
|
{
|
|
StackFrame *frame = exe_ctx->GetFramePtr();
|
|
var_success = frame != NULL;
|
|
if (var_success)
|
|
{
|
|
format_addr = frame->GetFrameCodeAddress();
|
|
calculate_format_addr_function_offset = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 'l':
|
|
if (IsToken (var_name_begin, "line."))
|
|
{
|
|
if (sc && sc->line_entry.IsValid())
|
|
{
|
|
var_name_begin += ::strlen ("line.");
|
|
if (IsToken (var_name_begin, "file."))
|
|
{
|
|
var_name_begin += ::strlen ("file.");
|
|
|
|
if (IsToken (var_name_begin, "basename}"))
|
|
{
|
|
format_file_spec.GetFilename() = sc->line_entry.file.GetFilename();
|
|
var_success = (bool)format_file_spec;
|
|
}
|
|
else if (IsToken (var_name_begin, "fullpath}"))
|
|
{
|
|
format_file_spec = sc->line_entry.file;
|
|
var_success = (bool)format_file_spec;
|
|
}
|
|
}
|
|
else if (IsTokenWithFormat (var_name_begin, "number", token_format, "%" PRIu64, exe_ctx, sc))
|
|
{
|
|
var_success = true;
|
|
s.Printf(token_format.c_str(), (uint64_t)sc->line_entry.line);
|
|
}
|
|
else if ((IsToken (var_name_begin, "start-addr}")) ||
|
|
(IsToken (var_name_begin, "end-addr}")))
|
|
{
|
|
var_success = sc && sc->line_entry.range.GetBaseAddress().IsValid();
|
|
if (var_success)
|
|
{
|
|
format_addr = sc->line_entry.range.GetBaseAddress();
|
|
if (var_name_begin[0] == 'e')
|
|
format_addr.Slide (sc->line_entry.range.GetByteSize());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
if (var_success)
|
|
{
|
|
// If format addr is valid, then we need to print an address
|
|
if (reg_num != LLDB_INVALID_REGNUM)
|
|
{
|
|
StackFrame *frame = exe_ctx->GetFramePtr();
|
|
// We have a register value to display...
|
|
if (reg_num == LLDB_REGNUM_GENERIC_PC && reg_kind == eRegisterKindGeneric)
|
|
{
|
|
format_addr = frame->GetFrameCodeAddress();
|
|
}
|
|
else
|
|
{
|
|
if (reg_ctx == NULL)
|
|
reg_ctx = frame->GetRegisterContext().get();
|
|
|
|
if (reg_ctx)
|
|
{
|
|
if (reg_kind != kNumRegisterKinds)
|
|
reg_num = reg_ctx->ConvertRegisterKindToRegisterNumber(reg_kind, reg_num);
|
|
reg_info = reg_ctx->GetRegisterInfoAtIndex (reg_num);
|
|
var_success = reg_info != NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (reg_info != NULL)
|
|
{
|
|
RegisterValue reg_value;
|
|
var_success = reg_ctx->ReadRegister (reg_info, reg_value);
|
|
if (var_success)
|
|
{
|
|
reg_value.Dump(&s, reg_info, false, false, eFormatDefault);
|
|
}
|
|
}
|
|
|
|
if (format_file_spec)
|
|
{
|
|
s << format_file_spec;
|
|
}
|
|
|
|
// If format addr is valid, then we need to print an address
|
|
if (format_addr.IsValid())
|
|
{
|
|
var_success = false;
|
|
|
|
if (calculate_format_addr_function_offset)
|
|
{
|
|
Address func_addr;
|
|
|
|
if (sc)
|
|
{
|
|
if (sc->function)
|
|
{
|
|
func_addr = sc->function->GetAddressRange().GetBaseAddress();
|
|
if (sc->block)
|
|
{
|
|
// Check to make sure we aren't in an inline
|
|
// function. If we are, use the inline block
|
|
// range that contains "format_addr" since
|
|
// blocks can be discontiguous.
|
|
Block *inline_block = sc->block->GetContainingInlinedBlock ();
|
|
AddressRange inline_range;
|
|
if (inline_block && inline_block->GetRangeContainingAddress (format_addr, inline_range))
|
|
func_addr = inline_range.GetBaseAddress();
|
|
}
|
|
}
|
|
else if (sc->symbol && sc->symbol->ValueIsAddress())
|
|
func_addr = sc->symbol->GetAddress();
|
|
}
|
|
|
|
if (func_addr.IsValid())
|
|
{
|
|
if (func_addr.GetSection() == format_addr.GetSection())
|
|
{
|
|
addr_t func_file_addr = func_addr.GetFileAddress();
|
|
addr_t addr_file_addr = format_addr.GetFileAddress();
|
|
if (addr_file_addr > func_file_addr)
|
|
s.Printf(" + %" PRIu64, addr_file_addr - func_file_addr);
|
|
else if (addr_file_addr < func_file_addr)
|
|
s.Printf(" - %" PRIu64, func_file_addr - addr_file_addr);
|
|
var_success = true;
|
|
}
|
|
else
|
|
{
|
|
Target *target = Target::GetTargetFromContexts (exe_ctx, sc);
|
|
if (target)
|
|
{
|
|
addr_t func_load_addr = func_addr.GetLoadAddress (target);
|
|
addr_t addr_load_addr = format_addr.GetLoadAddress (target);
|
|
if (addr_load_addr > func_load_addr)
|
|
s.Printf(" + %" PRIu64, addr_load_addr - func_load_addr);
|
|
else if (addr_load_addr < func_load_addr)
|
|
s.Printf(" - %" PRIu64, func_load_addr - addr_load_addr);
|
|
var_success = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
Target *target = Target::GetTargetFromContexts (exe_ctx, sc);
|
|
addr_t vaddr = LLDB_INVALID_ADDRESS;
|
|
if (exe_ctx && !target->GetSectionLoadList().IsEmpty())
|
|
vaddr = format_addr.GetLoadAddress (target);
|
|
if (vaddr == LLDB_INVALID_ADDRESS)
|
|
vaddr = format_addr.GetFileAddress ();
|
|
|
|
if (vaddr != LLDB_INVALID_ADDRESS)
|
|
{
|
|
int addr_width = target->GetArchitecture().GetAddressByteSize() * 2;
|
|
if (addr_width == 0)
|
|
addr_width = 16;
|
|
s.Printf("0x%*.*" PRIx64, addr_width, addr_width, vaddr);
|
|
var_success = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (var_success == false)
|
|
success = false;
|
|
}
|
|
p = var_name_end;
|
|
}
|
|
else
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
// We got a dollar sign with no '{' after it, it must just be a dollar sign
|
|
s.PutChar(*p);
|
|
}
|
|
}
|
|
else if (*p == '\\')
|
|
{
|
|
++p; // skip the slash
|
|
switch (*p)
|
|
{
|
|
case 'a': s.PutChar ('\a'); break;
|
|
case 'b': s.PutChar ('\b'); break;
|
|
case 'f': s.PutChar ('\f'); break;
|
|
case 'n': s.PutChar ('\n'); break;
|
|
case 'r': s.PutChar ('\r'); break;
|
|
case 't': s.PutChar ('\t'); break;
|
|
case 'v': s.PutChar ('\v'); break;
|
|
case '\'': s.PutChar ('\''); break;
|
|
case '\\': s.PutChar ('\\'); break;
|
|
case '0':
|
|
// 1 to 3 octal chars
|
|
{
|
|
// Make a string that can hold onto the initial zero char,
|
|
// up to 3 octal digits, and a terminating NULL.
|
|
char oct_str[5] = { 0, 0, 0, 0, 0 };
|
|
|
|
int i;
|
|
for (i=0; (p[i] >= '0' && p[i] <= '7') && i<4; ++i)
|
|
oct_str[i] = p[i];
|
|
|
|
// We don't want to consume the last octal character since
|
|
// the main for loop will do this for us, so we advance p by
|
|
// one less than i (even if i is zero)
|
|
p += i - 1;
|
|
unsigned long octal_value = ::strtoul (oct_str, NULL, 8);
|
|
if (octal_value <= UINT8_MAX)
|
|
{
|
|
s.PutChar((char)octal_value);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 'x':
|
|
// hex number in the format
|
|
if (isxdigit(p[1]))
|
|
{
|
|
++p; // Skip the 'x'
|
|
|
|
// Make a string that can hold onto two hex chars plus a
|
|
// NULL terminator
|
|
char hex_str[3] = { 0,0,0 };
|
|
hex_str[0] = *p;
|
|
if (isxdigit(p[1]))
|
|
{
|
|
++p; // Skip the first of the two hex chars
|
|
hex_str[1] = *p;
|
|
}
|
|
|
|
unsigned long hex_value = strtoul (hex_str, NULL, 16);
|
|
if (hex_value <= UINT8_MAX)
|
|
s.PutChar ((char)hex_value);
|
|
}
|
|
else
|
|
{
|
|
s.PutChar('x');
|
|
}
|
|
break;
|
|
|
|
default:
|
|
// Just desensitize any other character by just printing what
|
|
// came after the '\'
|
|
s << *p;
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
}
|
|
if (end)
|
|
*end = p;
|
|
return success;
|
|
}
|
|
|
|
bool
|
|
Debugger::FormatPrompt
|
|
(
|
|
const char *format,
|
|
const SymbolContext *sc,
|
|
const ExecutionContext *exe_ctx,
|
|
const Address *addr,
|
|
Stream &s,
|
|
ValueObject* valobj
|
|
)
|
|
{
|
|
bool use_color = exe_ctx ? exe_ctx->GetTargetRef().GetDebugger().GetUseColor() : true;
|
|
std::string format_str = lldb_utility::ansi::FormatAnsiTerminalCodes (format, use_color);
|
|
if (format_str.length())
|
|
format = format_str.c_str();
|
|
return FormatPromptRecurse (format, sc, exe_ctx, addr, s, NULL, valobj);
|
|
}
|
|
|
|
void
|
|
Debugger::SetLoggingCallback (lldb::LogOutputCallback log_callback, void *baton)
|
|
{
|
|
// For simplicity's sake, I am not going to deal with how to close down any
|
|
// open logging streams, I just redirect everything from here on out to the
|
|
// callback.
|
|
m_log_callback_stream_sp.reset (new StreamCallback (log_callback, baton));
|
|
}
|
|
|
|
bool
|
|
Debugger::EnableLog (const char *channel, const char **categories, const char *log_file, uint32_t log_options, Stream &error_stream)
|
|
{
|
|
Log::Callbacks log_callbacks;
|
|
|
|
StreamSP log_stream_sp;
|
|
if (m_log_callback_stream_sp)
|
|
{
|
|
log_stream_sp = m_log_callback_stream_sp;
|
|
// For now when using the callback mode you always get thread & timestamp.
|
|
log_options |= LLDB_LOG_OPTION_PREPEND_TIMESTAMP | LLDB_LOG_OPTION_PREPEND_THREAD_NAME;
|
|
}
|
|
else if (log_file == NULL || *log_file == '\0')
|
|
{
|
|
log_stream_sp = GetOutputFile();
|
|
}
|
|
else
|
|
{
|
|
LogStreamMap::iterator pos = m_log_streams.find(log_file);
|
|
if (pos != m_log_streams.end())
|
|
log_stream_sp = pos->second.lock();
|
|
if (!log_stream_sp)
|
|
{
|
|
log_stream_sp.reset (new StreamFile (log_file));
|
|
m_log_streams[log_file] = log_stream_sp;
|
|
}
|
|
}
|
|
assert (log_stream_sp.get());
|
|
|
|
if (log_options == 0)
|
|
log_options = LLDB_LOG_OPTION_PREPEND_THREAD_NAME | LLDB_LOG_OPTION_THREADSAFE;
|
|
|
|
if (Log::GetLogChannelCallbacks (ConstString(channel), log_callbacks))
|
|
{
|
|
log_callbacks.enable (log_stream_sp, log_options, categories, &error_stream);
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
LogChannelSP log_channel_sp (LogChannel::FindPlugin (channel));
|
|
if (log_channel_sp)
|
|
{
|
|
if (log_channel_sp->Enable (log_stream_sp, log_options, &error_stream, categories))
|
|
{
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
error_stream.Printf ("Invalid log channel '%s'.\n", channel);
|
|
return false;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
error_stream.Printf ("Invalid log channel '%s'.\n", channel);
|
|
return false;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
SourceManager &
|
|
Debugger::GetSourceManager ()
|
|
{
|
|
if (m_source_manager_ap.get() == NULL)
|
|
m_source_manager_ap.reset (new SourceManager (shared_from_this()));
|
|
return *m_source_manager_ap;
|
|
}
|
|
|
|
|
|
|
|
// This function handles events that were broadcast by the process.
|
|
void
|
|
Debugger::HandleBreakpointEvent (const EventSP &event_sp)
|
|
{
|
|
using namespace lldb;
|
|
const uint32_t event_type = Breakpoint::BreakpointEventData::GetBreakpointEventTypeFromEvent (event_sp);
|
|
|
|
// if (event_type & eBreakpointEventTypeAdded
|
|
// || event_type & eBreakpointEventTypeRemoved
|
|
// || event_type & eBreakpointEventTypeEnabled
|
|
// || event_type & eBreakpointEventTypeDisabled
|
|
// || event_type & eBreakpointEventTypeCommandChanged
|
|
// || event_type & eBreakpointEventTypeConditionChanged
|
|
// || event_type & eBreakpointEventTypeIgnoreChanged
|
|
// || event_type & eBreakpointEventTypeLocationsResolved)
|
|
// {
|
|
// // Don't do anything about these events, since the breakpoint commands already echo these actions.
|
|
// }
|
|
//
|
|
if (event_type & eBreakpointEventTypeLocationsAdded)
|
|
{
|
|
uint32_t num_new_locations = Breakpoint::BreakpointEventData::GetNumBreakpointLocationsFromEvent(event_sp);
|
|
if (num_new_locations > 0)
|
|
{
|
|
BreakpointSP breakpoint = Breakpoint::BreakpointEventData::GetBreakpointFromEvent(event_sp);
|
|
StreamFileSP output_sp (GetOutputFile());
|
|
if (output_sp)
|
|
{
|
|
output_sp->Printf("%d location%s added to breakpoint %d\n",
|
|
num_new_locations,
|
|
num_new_locations == 1 ? "" : "s",
|
|
breakpoint->GetID());
|
|
RefreshTopIOHandler();
|
|
}
|
|
}
|
|
}
|
|
// else if (event_type & eBreakpointEventTypeLocationsRemoved)
|
|
// {
|
|
// // These locations just get disabled, not sure it is worth spamming folks about this on the command line.
|
|
// }
|
|
// else if (event_type & eBreakpointEventTypeLocationsResolved)
|
|
// {
|
|
// // This might be an interesting thing to note, but I'm going to leave it quiet for now, it just looked noisy.
|
|
// }
|
|
}
|
|
|
|
size_t
|
|
Debugger::GetProcessSTDOUT (Process *process, Stream *stream)
|
|
{
|
|
size_t total_bytes = 0;
|
|
if (stream == NULL)
|
|
stream = GetOutputFile().get();
|
|
|
|
if (stream)
|
|
{
|
|
// The process has stuff waiting for stdout; get it and write it out to the appropriate place.
|
|
if (process == NULL)
|
|
{
|
|
TargetSP target_sp = GetTargetList().GetSelectedTarget();
|
|
if (target_sp)
|
|
process = target_sp->GetProcessSP().get();
|
|
}
|
|
if (process)
|
|
{
|
|
Error error;
|
|
size_t len;
|
|
char stdio_buffer[1024];
|
|
while ((len = process->GetSTDOUT (stdio_buffer, sizeof (stdio_buffer), error)) > 0)
|
|
{
|
|
stream->Write(stdio_buffer, len);
|
|
total_bytes += len;
|
|
}
|
|
}
|
|
stream->Flush();
|
|
}
|
|
return total_bytes;
|
|
}
|
|
|
|
size_t
|
|
Debugger::GetProcessSTDERR (Process *process, Stream *stream)
|
|
{
|
|
size_t total_bytes = 0;
|
|
if (stream == NULL)
|
|
stream = GetOutputFile().get();
|
|
|
|
if (stream)
|
|
{
|
|
// The process has stuff waiting for stderr; get it and write it out to the appropriate place.
|
|
if (process == NULL)
|
|
{
|
|
TargetSP target_sp = GetTargetList().GetSelectedTarget();
|
|
if (target_sp)
|
|
process = target_sp->GetProcessSP().get();
|
|
}
|
|
if (process)
|
|
{
|
|
Error error;
|
|
size_t len;
|
|
char stdio_buffer[1024];
|
|
while ((len = process->GetSTDERR (stdio_buffer, sizeof (stdio_buffer), error)) > 0)
|
|
{
|
|
stream->Write(stdio_buffer, len);
|
|
total_bytes += len;
|
|
}
|
|
}
|
|
stream->Flush();
|
|
}
|
|
return total_bytes;
|
|
}
|
|
|
|
// This function handles events that were broadcast by the process.
|
|
void
|
|
Debugger::HandleProcessEvent (const EventSP &event_sp)
|
|
{
|
|
using namespace lldb;
|
|
const uint32_t event_type = event_sp->GetType();
|
|
ProcessSP process_sp = Process::ProcessEventData::GetProcessFromEvent(event_sp.get());
|
|
|
|
const bool gui_enabled = IsForwardingEvents();
|
|
bool top_io_handler_hid = false;
|
|
if (gui_enabled == false)
|
|
top_io_handler_hid = HideTopIOHandler();
|
|
|
|
assert (process_sp);
|
|
|
|
if (event_type & Process::eBroadcastBitSTDOUT)
|
|
{
|
|
// The process has stdout available, get it and write it out to the
|
|
// appropriate place.
|
|
if (top_io_handler_hid)
|
|
GetProcessSTDOUT (process_sp.get(), NULL);
|
|
}
|
|
else if (event_type & Process::eBroadcastBitSTDERR)
|
|
{
|
|
// The process has stderr available, get it and write it out to the
|
|
// appropriate place.
|
|
if (top_io_handler_hid)
|
|
GetProcessSTDERR (process_sp.get(), NULL);
|
|
}
|
|
else if (event_type & Process::eBroadcastBitStateChanged)
|
|
{
|
|
// Drain all stout and stderr so we don't see any output come after
|
|
// we print our prompts
|
|
if (top_io_handler_hid)
|
|
{
|
|
StreamFileSP stream_sp (GetOutputFile());
|
|
GetProcessSTDOUT (process_sp.get(), stream_sp.get());
|
|
GetProcessSTDERR (process_sp.get(), NULL);
|
|
// Something changed in the process; get the event and report the process's current status and location to
|
|
// the user.
|
|
StateType event_state = Process::ProcessEventData::GetStateFromEvent (event_sp.get());
|
|
if (event_state == eStateInvalid)
|
|
return;
|
|
|
|
switch (event_state)
|
|
{
|
|
case eStateInvalid:
|
|
case eStateUnloaded:
|
|
case eStateConnected:
|
|
case eStateAttaching:
|
|
case eStateLaunching:
|
|
case eStateStepping:
|
|
case eStateDetached:
|
|
{
|
|
stream_sp->Printf("Process %" PRIu64 " %s\n",
|
|
process_sp->GetID(),
|
|
StateAsCString (event_state));
|
|
}
|
|
break;
|
|
|
|
case eStateRunning:
|
|
// Don't be chatty when we run...
|
|
break;
|
|
|
|
case eStateExited:
|
|
process_sp->GetStatus(*stream_sp);
|
|
break;
|
|
|
|
case eStateStopped:
|
|
case eStateCrashed:
|
|
case eStateSuspended:
|
|
// Make sure the program hasn't been auto-restarted:
|
|
if (Process::ProcessEventData::GetRestartedFromEvent (event_sp.get()))
|
|
{
|
|
size_t num_reasons = Process::ProcessEventData::GetNumRestartedReasons(event_sp.get());
|
|
if (num_reasons > 0)
|
|
{
|
|
// FIXME: Do we want to report this, or would that just be annoyingly chatty?
|
|
if (num_reasons == 1)
|
|
{
|
|
const char *reason = Process::ProcessEventData::GetRestartedReasonAtIndex (event_sp.get(), 0);
|
|
stream_sp->Printf("Process %" PRIu64 " stopped and restarted: %s\n",
|
|
process_sp->GetID(),
|
|
reason ? reason : "<UNKNOWN REASON>");
|
|
}
|
|
else
|
|
{
|
|
stream_sp->Printf("Process %" PRIu64 " stopped and restarted, reasons:\n",
|
|
process_sp->GetID());
|
|
|
|
|
|
for (size_t i = 0; i < num_reasons; i++)
|
|
{
|
|
const char *reason = Process::ProcessEventData::GetRestartedReasonAtIndex (event_sp.get(), i);
|
|
stream_sp->Printf("\t%s\n", reason ? reason : "<UNKNOWN REASON>");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// Lock the thread list so it doesn't change on us
|
|
ThreadList &thread_list = process_sp->GetThreadList();
|
|
Mutex::Locker locker (thread_list.GetMutex());
|
|
|
|
ThreadSP curr_thread (thread_list.GetSelectedThread());
|
|
ThreadSP thread;
|
|
StopReason curr_thread_stop_reason = eStopReasonInvalid;
|
|
if (curr_thread)
|
|
curr_thread_stop_reason = curr_thread->GetStopReason();
|
|
if (!curr_thread ||
|
|
!curr_thread->IsValid() ||
|
|
curr_thread_stop_reason == eStopReasonInvalid ||
|
|
curr_thread_stop_reason == eStopReasonNone)
|
|
{
|
|
// Prefer a thread that has just completed its plan over another thread as current thread.
|
|
ThreadSP plan_thread;
|
|
ThreadSP other_thread;
|
|
const size_t num_threads = thread_list.GetSize();
|
|
size_t i;
|
|
for (i = 0; i < num_threads; ++i)
|
|
{
|
|
thread = thread_list.GetThreadAtIndex(i);
|
|
StopReason thread_stop_reason = thread->GetStopReason();
|
|
switch (thread_stop_reason)
|
|
{
|
|
case eStopReasonInvalid:
|
|
case eStopReasonNone:
|
|
break;
|
|
|
|
case eStopReasonTrace:
|
|
case eStopReasonBreakpoint:
|
|
case eStopReasonWatchpoint:
|
|
case eStopReasonSignal:
|
|
case eStopReasonException:
|
|
case eStopReasonExec:
|
|
case eStopReasonThreadExiting:
|
|
if (!other_thread)
|
|
other_thread = thread;
|
|
break;
|
|
case eStopReasonPlanComplete:
|
|
if (!plan_thread)
|
|
plan_thread = thread;
|
|
break;
|
|
}
|
|
}
|
|
if (plan_thread)
|
|
thread_list.SetSelectedThreadByID (plan_thread->GetID());
|
|
else if (other_thread)
|
|
thread_list.SetSelectedThreadByID (other_thread->GetID());
|
|
else
|
|
{
|
|
if (curr_thread && curr_thread->IsValid())
|
|
thread = curr_thread;
|
|
else
|
|
thread = thread_list.GetThreadAtIndex(0);
|
|
|
|
if (thread)
|
|
thread_list.SetSelectedThreadByID (thread->GetID());
|
|
}
|
|
}
|
|
|
|
if (GetTargetList().GetSelectedTarget().get() == &process_sp->GetTarget())
|
|
{
|
|
const bool only_threads_with_stop_reason = true;
|
|
const uint32_t start_frame = 0;
|
|
const uint32_t num_frames = 1;
|
|
const uint32_t num_frames_with_source = 1;
|
|
process_sp->GetStatus(*stream_sp);
|
|
process_sp->GetThreadStatus (*stream_sp,
|
|
only_threads_with_stop_reason,
|
|
start_frame,
|
|
num_frames,
|
|
num_frames_with_source);
|
|
}
|
|
else
|
|
{
|
|
uint32_t target_idx = GetTargetList().GetIndexOfTarget(process_sp->GetTarget().shared_from_this());
|
|
if (target_idx != UINT32_MAX)
|
|
stream_sp->Printf ("Target %d: (", target_idx);
|
|
else
|
|
stream_sp->Printf ("Target <unknown index>: (");
|
|
process_sp->GetTarget().Dump (stream_sp.get(), eDescriptionLevelBrief);
|
|
stream_sp->Printf (") stopped.\n");
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (top_io_handler_hid)
|
|
RefreshTopIOHandler();
|
|
}
|
|
|
|
void
|
|
Debugger::HandleThreadEvent (const EventSP &event_sp)
|
|
{
|
|
// At present the only thread event we handle is the Frame Changed event,
|
|
// and all we do for that is just reprint the thread status for that thread.
|
|
using namespace lldb;
|
|
const uint32_t event_type = event_sp->GetType();
|
|
if (event_type == Thread::eBroadcastBitStackChanged ||
|
|
event_type == Thread::eBroadcastBitThreadSelected )
|
|
{
|
|
ThreadSP thread_sp (Thread::ThreadEventData::GetThreadFromEvent (event_sp.get()));
|
|
if (thread_sp)
|
|
{
|
|
HideTopIOHandler();
|
|
StreamFileSP stream_sp (GetOutputFile());
|
|
thread_sp->GetStatus(*stream_sp, 0, 1, 1);
|
|
RefreshTopIOHandler();
|
|
}
|
|
}
|
|
}
|
|
|
|
bool
|
|
Debugger::IsForwardingEvents ()
|
|
{
|
|
return (bool)m_forward_listener_sp;
|
|
}
|
|
|
|
void
|
|
Debugger::EnableForwardEvents (const ListenerSP &listener_sp)
|
|
{
|
|
m_forward_listener_sp = listener_sp;
|
|
}
|
|
|
|
void
|
|
Debugger::CancelForwardEvents (const ListenerSP &listener_sp)
|
|
{
|
|
m_forward_listener_sp.reset();
|
|
}
|
|
|
|
|
|
void
|
|
Debugger::DefaultEventHandler()
|
|
{
|
|
Listener& listener(GetListener());
|
|
ConstString broadcaster_class_target(Target::GetStaticBroadcasterClass());
|
|
ConstString broadcaster_class_process(Process::GetStaticBroadcasterClass());
|
|
ConstString broadcaster_class_thread(Thread::GetStaticBroadcasterClass());
|
|
BroadcastEventSpec target_event_spec (broadcaster_class_target,
|
|
Target::eBroadcastBitBreakpointChanged);
|
|
|
|
BroadcastEventSpec process_event_spec (broadcaster_class_process,
|
|
Process::eBroadcastBitStateChanged |
|
|
Process::eBroadcastBitSTDOUT |
|
|
Process::eBroadcastBitSTDERR);
|
|
|
|
BroadcastEventSpec thread_event_spec (broadcaster_class_thread,
|
|
Thread::eBroadcastBitStackChanged |
|
|
Thread::eBroadcastBitThreadSelected );
|
|
|
|
listener.StartListeningForEventSpec (*this, target_event_spec);
|
|
listener.StartListeningForEventSpec (*this, process_event_spec);
|
|
listener.StartListeningForEventSpec (*this, thread_event_spec);
|
|
listener.StartListeningForEvents (m_command_interpreter_ap.get(),
|
|
CommandInterpreter::eBroadcastBitQuitCommandReceived |
|
|
CommandInterpreter::eBroadcastBitAsynchronousOutputData |
|
|
CommandInterpreter::eBroadcastBitAsynchronousErrorData );
|
|
|
|
bool done = false;
|
|
while (!done)
|
|
{
|
|
// Mutex::Locker locker;
|
|
// if (locker.TryLock(m_input_reader_stack.GetMutex()))
|
|
// {
|
|
// if (m_input_reader_stack.IsEmpty())
|
|
// break;
|
|
// }
|
|
//
|
|
EventSP event_sp;
|
|
if (listener.WaitForEvent(NULL, event_sp))
|
|
{
|
|
if (event_sp)
|
|
{
|
|
Broadcaster *broadcaster = event_sp->GetBroadcaster();
|
|
if (broadcaster)
|
|
{
|
|
uint32_t event_type = event_sp->GetType();
|
|
ConstString broadcaster_class (broadcaster->GetBroadcasterClass());
|
|
if (broadcaster_class == broadcaster_class_process)
|
|
{
|
|
HandleProcessEvent (event_sp);
|
|
}
|
|
else if (broadcaster_class == broadcaster_class_target)
|
|
{
|
|
if (Breakpoint::BreakpointEventData::GetEventDataFromEvent(event_sp.get()))
|
|
{
|
|
HandleBreakpointEvent (event_sp);
|
|
}
|
|
}
|
|
else if (broadcaster_class == broadcaster_class_thread)
|
|
{
|
|
HandleThreadEvent (event_sp);
|
|
}
|
|
else if (broadcaster == m_command_interpreter_ap.get())
|
|
{
|
|
if (event_type & CommandInterpreter::eBroadcastBitQuitCommandReceived)
|
|
{
|
|
done = true;
|
|
}
|
|
else if (event_type & CommandInterpreter::eBroadcastBitAsynchronousErrorData)
|
|
{
|
|
const char *data = reinterpret_cast<const char *>(EventDataBytes::GetBytesFromEvent (event_sp.get()));
|
|
if (data && data[0])
|
|
{
|
|
StreamFileSP error_sp (GetErrorFile());
|
|
if (error_sp)
|
|
{
|
|
HideTopIOHandler();
|
|
error_sp->PutCString(data);
|
|
error_sp->Flush();
|
|
RefreshTopIOHandler();
|
|
}
|
|
}
|
|
}
|
|
else if (event_type & CommandInterpreter::eBroadcastBitAsynchronousOutputData)
|
|
{
|
|
const char *data = reinterpret_cast<const char *>(EventDataBytes::GetBytesFromEvent (event_sp.get()));
|
|
if (data && data[0])
|
|
{
|
|
StreamFileSP output_sp (GetOutputFile());
|
|
if (output_sp)
|
|
{
|
|
HideTopIOHandler();
|
|
output_sp->PutCString(data);
|
|
output_sp->Flush();
|
|
RefreshTopIOHandler();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (m_forward_listener_sp)
|
|
m_forward_listener_sp->AddEvent(event_sp);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
lldb::thread_result_t
|
|
Debugger::EventHandlerThread (lldb::thread_arg_t arg)
|
|
{
|
|
((Debugger *)arg)->DefaultEventHandler();
|
|
return NULL;
|
|
}
|
|
|
|
bool
|
|
Debugger::StartEventHandlerThread()
|
|
{
|
|
if (!IS_VALID_LLDB_HOST_THREAD(m_event_handler_thread))
|
|
m_event_handler_thread = Host::ThreadCreate("lldb.debugger.event-handler", EventHandlerThread, this, NULL);
|
|
return IS_VALID_LLDB_HOST_THREAD(m_event_handler_thread);
|
|
}
|
|
|
|
void
|
|
Debugger::StopEventHandlerThread()
|
|
{
|
|
if (IS_VALID_LLDB_HOST_THREAD(m_event_handler_thread))
|
|
{
|
|
GetCommandInterpreter().BroadcastEvent(CommandInterpreter::eBroadcastBitQuitCommandReceived);
|
|
Host::ThreadJoin(m_event_handler_thread, NULL, NULL);
|
|
m_event_handler_thread = LLDB_INVALID_HOST_THREAD;
|
|
}
|
|
}
|
|
|
|
|
|
lldb::thread_result_t
|
|
Debugger::IOHandlerThread (lldb::thread_arg_t arg)
|
|
{
|
|
Debugger *debugger = (Debugger *)arg;
|
|
debugger->ExecuteIOHanders();
|
|
debugger->StopEventHandlerThread();
|
|
return NULL;
|
|
}
|
|
|
|
bool
|
|
Debugger::StartIOHandlerThread()
|
|
{
|
|
if (!IS_VALID_LLDB_HOST_THREAD(m_io_handler_thread))
|
|
m_io_handler_thread = Host::ThreadCreate("lldb.debugger.io-handler", IOHandlerThread, this, NULL);
|
|
return IS_VALID_LLDB_HOST_THREAD(m_io_handler_thread);
|
|
}
|
|
|
|
void
|
|
Debugger::StopIOHandlerThread()
|
|
{
|
|
if (IS_VALID_LLDB_HOST_THREAD(m_io_handler_thread))
|
|
{
|
|
if (m_input_file_sp)
|
|
m_input_file_sp->GetFile().Close();
|
|
Host::ThreadJoin(m_io_handler_thread, NULL, NULL);
|
|
m_io_handler_thread = LLDB_INVALID_HOST_THREAD;
|
|
}
|
|
}
|
|
|
|
|