1727 lines
57 KiB
C++
1727 lines
57 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/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 "llvm/ADT/StringRef.h"
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#include "lldb/lldb-private.h"
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#include "lldb/Core/FormatEntity.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/StructuredData.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/DataFormatters/TypeSummary.h"
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#include "lldb/Host/ConnectionFileDescriptor.h"
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#include "lldb/Host/HostInfo.h"
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#include "lldb/Host/Terminal.h"
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#include "lldb/Host/ThreadLauncher.h"
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#include "lldb/Interpreter/CommandInterpreter.h"
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#include "lldb/Interpreter/OptionValueProperties.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/CPPLanguageRuntime.h"
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#include "lldb/Target/ObjCLanguageRuntime.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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#include "llvm/Support/DynamicLibrary.h"
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using namespace lldb;
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using namespace lldb_private;
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static lldb::user_id_t g_unique_id = 1;
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static size_t g_debugger_event_thread_stack_bytes = 8 * 1024 * 1024;
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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 constructors
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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 = '${thread.queue}'}"\
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"{, activity = '${thread.info.activity.name}'}" \
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"{, ${thread.info.trace_messages} messages}" \
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"{, stop reason = ${thread.stop-reason}}"\
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"{\\nReturn value: ${thread.return-value}}"\
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"{\\nCompleted expression: ${thread.completed-expression}}"\
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"\\n"
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#define DEFAULT_FRAME_FORMAT "frame #${frame.index}: ${frame.pc}"\
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MODULE_WITH_FUNC\
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FILE_AND_LINE\
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"\\n"
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// Three parts to this disassembly format specification:
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// 1. If this is a new function/symbol (no previous symbol/function), print
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// dylib`funcname:\n
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// 2. If this is a symbol context change (different from previous symbol/function), print
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// dylib`funcname:\n
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// 3. print
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// address <+offset>:
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#define DEFAULT_DISASSEMBLY_FORMAT "{${function.initial-function}{${module.file.basename}`}{${function.name-without-args}}:\n}{${function.changed}\n{${module.file.basename}`}{${function.name-without-args}}:\n}{${current-pc-arrow} }${addr-file-or-load}{ <${function.concrete-only-addr-offset-no-padding}>}: "
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// gdb's disassembly format can be emulated with
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// ${current-pc-arrow}${addr-file-or-load}{ <${function.name-without-args}${function.concrete-only-addr-offset-no-padding}>}:
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// lldb's original format for disassembly would look like this format string -
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// {${function.initial-function}{${module.file.basename}`}{${function.name-without-args}}:\n}{${function.changed}\n{${module.file.basename}`}{${function.name-without-args}}:\n}{${current-pc-arrow} }{${addr-file-or-load}}:
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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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{ "disassembly-format", OptionValue::eTypeFormatEntity, true, 0 , DEFAULT_DISASSEMBLY_FORMAT, NULL, "The default disassembly format string to use when disassembling instruction sequences." },
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{ "frame-format", OptionValue::eTypeFormatEntity, 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::eTypeFormatEntity, 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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{ "escape-non-printables", OptionValue::eTypeBoolean , true, true, NULL, NULL, "If true, LLDB will automatically escape non-printable and escape characters when formatting strings." },
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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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ePropertyDisassemblyFormat,
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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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ePropertyEscapeNonPrintables
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};
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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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bool is_escape_non_printables = strcmp(property_path, "escape-non-printables") == 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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else if (is_escape_non_printables)
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{
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DataVisualization::ForceUpdate();
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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 FormatEntity::Entry *
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Debugger::GetDisassemblyFormat() const
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{
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const uint32_t idx = ePropertyDisassemblyFormat;
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return m_collection_sp->GetPropertyAtIndexAsFormatEntity(NULL, idx);
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}
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const FormatEntity::Entry *
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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->GetPropertyAtIndexAsFormatEntity(NULL, idx);
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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 FormatEntity::Entry *
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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->GetPropertyAtIndexAsFormatEntity(NULL, idx);
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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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bool
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Debugger::GetEscapeNonPrintables () const
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{
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const uint32_t idx = ePropertyEscapeNonPrintables;
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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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static bool lldb_initialized = false;
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void
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Debugger::Initialize(LoadPluginCallbackType load_plugin_callback)
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{
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assert(!lldb_initialized && "Debugger::Initialize called more than once!");
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lldb_initialized = true;
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g_load_plugin_callback = load_plugin_callback;
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}
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void
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Debugger::Terminate ()
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{
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assert(lldb_initialized && "Debugger::Terminate called without a matching Debugger::Initialize!");
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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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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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llvm::sys::DynamicLibrary dynlib = g_load_plugin_callback (shared_from_this(), spec, error);
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if (dynlib.isValid())
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{
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m_loaded_plugins.push_back(dynlib);
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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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}
|
|
return false;
|
|
}
|
|
|
|
static FileSpec::EnumerateDirectoryResult
|
|
LoadPluginCallback
|
|
(
|
|
void *baton,
|
|
FileSpec::FileType file_type,
|
|
const FileSpec &file_spec
|
|
)
|
|
{
|
|
Error error;
|
|
|
|
static ConstString g_dylibext("dylib");
|
|
static ConstString g_solibext("so");
|
|
|
|
if (!baton)
|
|
return FileSpec::eEnumerateDirectoryResultQuit;
|
|
|
|
Debugger *debugger = (Debugger*)baton;
|
|
|
|
// If we have a regular file, a symbolic link or unknown file type, try
|
|
// and process the file. We must handle unknown as sometimes the directory
|
|
// enumeration might be enumerating a file system that doesn't have correct
|
|
// file type information.
|
|
if (file_type == FileSpec::eFileTypeRegular ||
|
|
file_type == FileSpec::eFileTypeSymbolicLink ||
|
|
file_type == FileSpec::eFileTypeUnknown )
|
|
{
|
|
FileSpec plugin_file_spec (file_spec);
|
|
plugin_file_spec.ResolvePath ();
|
|
|
|
if (plugin_file_spec.GetFileNameExtension() != g_dylibext &&
|
|
plugin_file_spec.GetFileNameExtension() != g_solibext)
|
|
{
|
|
return FileSpec::eEnumerateDirectoryResultNext;
|
|
}
|
|
|
|
Error plugin_load_error;
|
|
debugger->LoadPlugin (plugin_file_spec, plugin_load_error);
|
|
|
|
return FileSpec::eEnumerateDirectoryResultNext;
|
|
}
|
|
|
|
else if (file_type == FileSpec::eFileTypeUnknown ||
|
|
file_type == FileSpec::eFileTypeDirectory ||
|
|
file_type == FileSpec::eFileTypeSymbolicLink )
|
|
{
|
|
// Try and recurse into anything that a directory or symbolic link.
|
|
// We must also do this for unknown as sometimes the directory enumeration
|
|
// might be enumerating a file system that doesn't have correct file type
|
|
// information.
|
|
return FileSpec::eEnumerateDirectoryResultEnter;
|
|
}
|
|
|
|
return FileSpec::eEnumerateDirectoryResultNext;
|
|
}
|
|
|
|
void
|
|
Debugger::InstanceInitialize ()
|
|
{
|
|
FileSpec dir_spec;
|
|
const bool find_directories = true;
|
|
const bool find_files = true;
|
|
const bool find_other = true;
|
|
char dir_path[PATH_MAX];
|
|
if (HostInfo::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 (HostInfo::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 (lldb_initialized)
|
|
{
|
|
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 (lldb_initialized)
|
|
{
|
|
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 (lldb_initialized)
|
|
{
|
|
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 (lldb_initialized)
|
|
{
|
|
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 (lldb_initialized)
|
|
{
|
|
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 (),
|
|
m_io_handler_thread (),
|
|
m_sync_broadcaster (NULL, "lldb.debugger.sync")
|
|
{
|
|
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::GetHostPlatform());
|
|
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());
|
|
m_collection_sp->AppendProperty (ConstString("platform"),
|
|
ConstString("Platform settings."),
|
|
true,
|
|
Platform::GetGlobalPlatformProperties()->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 ();
|
|
|
|
m_command_interpreter_ap->Clear();
|
|
}
|
|
|
|
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)
|
|
PopIOHandler (reader_sp);
|
|
}
|
|
}
|
|
|
|
void
|
|
Debugger::ExecuteIOHandlers()
|
|
{
|
|
while (1)
|
|
{
|
|
IOHandlerSP reader_sp(m_input_reader_stack.Top());
|
|
if (!reader_sp)
|
|
break;
|
|
|
|
reader_sp->Run();
|
|
|
|
// 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())
|
|
PopIOHandler (top_reader_sp);
|
|
else
|
|
break;
|
|
}
|
|
}
|
|
ClearIOHandlers();
|
|
}
|
|
|
|
bool
|
|
Debugger::IsTopIOHandler (const lldb::IOHandlerSP& reader_sp)
|
|
{
|
|
return m_input_reader_stack.IsTop (reader_sp);
|
|
}
|
|
|
|
void
|
|
Debugger::PrintAsync (const char *s, size_t len, bool is_stdout)
|
|
{
|
|
lldb::StreamFileSP stream = is_stdout ? GetOutputFile() : GetErrorFile();
|
|
m_input_reader_stack.PrintAsync(stream.get(), s, len);
|
|
}
|
|
|
|
ConstString
|
|
Debugger::GetTopIOHandlerControlSequence(char ch)
|
|
{
|
|
return m_input_reader_stack.GetTopIOHandlerControlSequence (ch);
|
|
}
|
|
|
|
const char *
|
|
Debugger::GetIOHandlerCommandPrefix()
|
|
{
|
|
return m_input_reader_stack.GetTopIOHandlerCommandPrefix();
|
|
}
|
|
|
|
const char *
|
|
Debugger::GetIOHandlerHelpPrologue()
|
|
{
|
|
return m_input_reader_stack.GetTopIOHandlerHelpPrologue();
|
|
}
|
|
|
|
void
|
|
Debugger::RunIOHandler (const IOHandlerSP& reader_sp)
|
|
{
|
|
PushIOHandler (reader_sp);
|
|
|
|
IOHandlerSP top_reader_sp = reader_sp;
|
|
while (top_reader_sp)
|
|
{
|
|
top_reader_sp->Run();
|
|
|
|
if (top_reader_sp.get() == reader_sp.get())
|
|
{
|
|
if (PopIOHandler (reader_sp))
|
|
break;
|
|
}
|
|
|
|
while (1)
|
|
{
|
|
top_reader_sp = m_input_reader_stack.Top();
|
|
if (top_reader_sp && top_reader_sp->GetIsDone())
|
|
PopIOHandler (top_reader_sp);
|
|
else
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
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;
|
|
|
|
Mutex::Locker locker (m_input_reader_stack.GetMutex());
|
|
|
|
// Get the current top input reader...
|
|
IOHandlerSP top_reader_sp (m_input_reader_stack.Top());
|
|
|
|
// Don't push the same IO handler twice...
|
|
if (reader_sp == top_reader_sp)
|
|
return;
|
|
|
|
// Push our new input reader
|
|
m_input_reader_stack.Push (reader_sp);
|
|
reader_sp->Activate();
|
|
|
|
// 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();
|
|
top_reader_sp->Cancel();
|
|
}
|
|
}
|
|
|
|
bool
|
|
Debugger::PopIOHandler (const IOHandlerSP& pop_reader_sp)
|
|
{
|
|
if (! pop_reader_sp)
|
|
return 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 refresh its prompt and if there is one...
|
|
if (m_input_reader_stack.IsEmpty())
|
|
return false;
|
|
|
|
IOHandlerSP reader_sp(m_input_reader_stack.Top());
|
|
|
|
if (pop_reader_sp != reader_sp)
|
|
return false;
|
|
|
|
reader_sp->Deactivate();
|
|
reader_sp->Cancel();
|
|
m_input_reader_stack.Pop ();
|
|
|
|
reader_sp = m_input_reader_stack.Top();
|
|
if (reader_sp)
|
|
reader_sp->Activate();
|
|
|
|
return true;
|
|
}
|
|
|
|
StreamSP
|
|
Debugger::GetAsyncOutputStream ()
|
|
{
|
|
return StreamSP (new StreamAsynchronousIO (*this, true));
|
|
}
|
|
|
|
StreamSP
|
|
Debugger::GetAsyncErrorStream ()
|
|
{
|
|
return StreamSP (new StreamAsynchronousIO (*this, false));
|
|
}
|
|
|
|
size_t
|
|
Debugger::GetNumDebuggers()
|
|
{
|
|
if (lldb_initialized)
|
|
{
|
|
Mutex::Locker locker (GetDebuggerListMutex ());
|
|
return GetDebuggerList().size();
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
lldb::DebuggerSP
|
|
Debugger::GetDebuggerAtIndex (size_t index)
|
|
{
|
|
DebuggerSP debugger_sp;
|
|
|
|
if (lldb_initialized)
|
|
{
|
|
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 (lldb_initialized)
|
|
{
|
|
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;
|
|
}
|
|
|
|
#if 0
|
|
static void
|
|
TestPromptFormats (StackFrame *frame)
|
|
{
|
|
if (frame == NULL)
|
|
return;
|
|
|
|
StreamString s;
|
|
const char *prompt_format =
|
|
"{addr = '${addr}'\n}"
|
|
"{addr-file-or-load = '${addr-file-or-load}'\n}"
|
|
"{current-pc-arrow = '${current-pc-arrow}'\n}"
|
|
"{process.id = '${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.changed = '${function.changed}'\n}"
|
|
"{function.initial-function = '${function.initial-function}'\n}"
|
|
"{function.name = '${function.name}'\n}"
|
|
"{function.name-without-args = '${function.name-without-args}'\n}"
|
|
"{function.name-with-args = '${function.name-with-args}'\n}"
|
|
"{function.addr-offset = '${function.addr-offset}'\n}"
|
|
"{function.concrete-only-addr-offset-no-padding = '${function.concrete-only-addr-offset-no-padding}'\n}"
|
|
"{function.line-offset = '${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());
|
|
}
|
|
}
|
|
#endif
|
|
|
|
bool
|
|
Debugger::FormatDisassemblerAddress (const FormatEntity::Entry *format,
|
|
const SymbolContext *sc,
|
|
const SymbolContext *prev_sc,
|
|
const ExecutionContext *exe_ctx,
|
|
const Address *addr,
|
|
Stream &s)
|
|
{
|
|
FormatEntity::Entry format_entry;
|
|
|
|
if (format == NULL)
|
|
{
|
|
if (exe_ctx != NULL && exe_ctx->HasTargetScope())
|
|
format = exe_ctx->GetTargetRef().GetDebugger().GetDisassemblyFormat();
|
|
if (format == NULL)
|
|
{
|
|
FormatEntity::Parse("${addr}: ", format_entry);
|
|
format = &format_entry;
|
|
}
|
|
}
|
|
bool function_changed = false;
|
|
bool initial_function = false;
|
|
if (prev_sc && (prev_sc->function || prev_sc->symbol))
|
|
{
|
|
if (sc && (sc->function || sc->symbol))
|
|
{
|
|
if (prev_sc->symbol && sc->symbol)
|
|
{
|
|
if (!sc->symbol->Compare (prev_sc->symbol->GetName(), prev_sc->symbol->GetType()))
|
|
{
|
|
function_changed = true;
|
|
}
|
|
}
|
|
else if (prev_sc->function && sc->function)
|
|
{
|
|
if (prev_sc->function->GetMangled() != sc->function->GetMangled())
|
|
{
|
|
function_changed = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
// The first context on a list of instructions will have a prev_sc that
|
|
// has no Function or Symbol -- if SymbolContext had an IsValid() method, it
|
|
// would return false. But we do get a prev_sc pointer.
|
|
if ((sc && (sc->function || sc->symbol))
|
|
&& prev_sc && (prev_sc->function == NULL && prev_sc->symbol == NULL))
|
|
{
|
|
initial_function = true;
|
|
}
|
|
return FormatEntity::Format(*format, s, sc, exe_ctx, addr, NULL, function_changed, initial_function);
|
|
}
|
|
|
|
|
|
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)
|
|
{
|
|
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)
|
|
{
|
|
uint32_t options = File::eOpenOptionWrite | File::eOpenOptionCanCreate
|
|
| File::eOpenOptionCloseOnExec | File::eOpenOptionAppend;
|
|
if (! (log_options & LLDB_LOG_OPTION_APPEND))
|
|
options |= File::eOpenOptionTruncate;
|
|
|
|
log_stream_sp.reset (new StreamFile (log_file, options));
|
|
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;
|
|
|
|
return Log::EnableLogChannel(log_stream_sp, log_options, channel, categories, error_stream);
|
|
}
|
|
|
|
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);
|
|
StreamSP output_sp (GetAsyncOutputStream());
|
|
if (output_sp)
|
|
{
|
|
output_sp->Printf("%d location%s added to breakpoint %d\n",
|
|
num_new_locations,
|
|
num_new_locations == 1 ? "" : "s",
|
|
breakpoint->GetID());
|
|
output_sp->Flush();
|
|
}
|
|
}
|
|
}
|
|
// 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());
|
|
|
|
StreamSP output_stream_sp = GetAsyncOutputStream();
|
|
StreamSP error_stream_sp = GetAsyncErrorStream();
|
|
const bool gui_enabled = IsForwardingEvents();
|
|
|
|
if (!gui_enabled)
|
|
{
|
|
bool pop_process_io_handler = false;
|
|
assert (process_sp);
|
|
|
|
bool state_is_stopped = false;
|
|
const bool got_state_changed = (event_type & Process::eBroadcastBitStateChanged) != 0;
|
|
const bool got_stdout = (event_type & Process::eBroadcastBitSTDOUT) != 0;
|
|
const bool got_stderr = (event_type & Process::eBroadcastBitSTDERR) != 0;
|
|
if (got_state_changed)
|
|
{
|
|
StateType event_state = Process::ProcessEventData::GetStateFromEvent (event_sp.get());
|
|
state_is_stopped = StateIsStoppedState(event_state, false);
|
|
}
|
|
|
|
// Display running state changes first before any STDIO
|
|
if (got_state_changed && !state_is_stopped)
|
|
{
|
|
Process::HandleProcessStateChangedEvent (event_sp, output_stream_sp.get(), pop_process_io_handler);
|
|
}
|
|
|
|
// Now display and STDOUT
|
|
if (got_stdout || got_state_changed)
|
|
{
|
|
GetProcessSTDOUT (process_sp.get(), output_stream_sp.get());
|
|
}
|
|
|
|
// Now display and STDERR
|
|
if (got_stderr || got_state_changed)
|
|
{
|
|
GetProcessSTDERR (process_sp.get(), error_stream_sp.get());
|
|
}
|
|
|
|
// Now display any stopped state changes after any STDIO
|
|
if (got_state_changed && state_is_stopped)
|
|
{
|
|
Process::HandleProcessStateChangedEvent (event_sp, output_stream_sp.get(), pop_process_io_handler);
|
|
}
|
|
|
|
output_stream_sp->Flush();
|
|
error_stream_sp->Flush();
|
|
|
|
if (pop_process_io_handler)
|
|
process_sp->PopProcessIOHandler();
|
|
}
|
|
}
|
|
|
|
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)
|
|
{
|
|
thread_sp->GetStatus(*GetAsyncOutputStream(), 0, 1, 1);
|
|
}
|
|
}
|
|
}
|
|
|
|
bool
|
|
Debugger::IsForwardingEvents ()
|
|
{
|
|
return (bool)m_forward_listener_sp;
|
|
}
|
|
|
|
void
|
|
Debugger::EnableForwardEvents (const ListenerSP &listener_sp)
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{
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m_forward_listener_sp = listener_sp;
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}
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void
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Debugger::CancelForwardEvents (const ListenerSP &listener_sp)
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{
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m_forward_listener_sp.reset();
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}
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void
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Debugger::DefaultEventHandler()
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{
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Listener& listener(GetListener());
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ConstString broadcaster_class_target(Target::GetStaticBroadcasterClass());
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ConstString broadcaster_class_process(Process::GetStaticBroadcasterClass());
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ConstString broadcaster_class_thread(Thread::GetStaticBroadcasterClass());
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BroadcastEventSpec target_event_spec (broadcaster_class_target,
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Target::eBroadcastBitBreakpointChanged);
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BroadcastEventSpec process_event_spec (broadcaster_class_process,
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Process::eBroadcastBitStateChanged |
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Process::eBroadcastBitSTDOUT |
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Process::eBroadcastBitSTDERR);
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BroadcastEventSpec thread_event_spec (broadcaster_class_thread,
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Thread::eBroadcastBitStackChanged |
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Thread::eBroadcastBitThreadSelected );
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listener.StartListeningForEventSpec (*this, target_event_spec);
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listener.StartListeningForEventSpec (*this, process_event_spec);
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listener.StartListeningForEventSpec (*this, thread_event_spec);
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listener.StartListeningForEvents (m_command_interpreter_ap.get(),
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CommandInterpreter::eBroadcastBitQuitCommandReceived |
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CommandInterpreter::eBroadcastBitAsynchronousOutputData |
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CommandInterpreter::eBroadcastBitAsynchronousErrorData );
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// Let the thread that spawned us know that we have started up and
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// that we are now listening to all required events so no events get missed
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m_sync_broadcaster.BroadcastEvent(eBroadcastBitEventThreadIsListening);
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|
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bool done = false;
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while (!done)
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{
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EventSP event_sp;
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if (listener.WaitForEvent(NULL, event_sp))
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|
{
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if (event_sp)
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|
{
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Broadcaster *broadcaster = event_sp->GetBroadcaster();
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if (broadcaster)
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|
{
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uint32_t event_type = event_sp->GetType();
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ConstString broadcaster_class (broadcaster->GetBroadcasterClass());
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if (broadcaster_class == broadcaster_class_process)
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{
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HandleProcessEvent (event_sp);
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}
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else if (broadcaster_class == broadcaster_class_target)
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{
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if (Breakpoint::BreakpointEventData::GetEventDataFromEvent(event_sp.get()))
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{
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HandleBreakpointEvent (event_sp);
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}
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}
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else if (broadcaster_class == broadcaster_class_thread)
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{
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HandleThreadEvent (event_sp);
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}
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else if (broadcaster == m_command_interpreter_ap.get())
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|
{
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if (event_type & CommandInterpreter::eBroadcastBitQuitCommandReceived)
|
|
{
|
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done = true;
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}
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else if (event_type & CommandInterpreter::eBroadcastBitAsynchronousErrorData)
|
|
{
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const char *data = reinterpret_cast<const char *>(EventDataBytes::GetBytesFromEvent (event_sp.get()));
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if (data && data[0])
|
|
{
|
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StreamSP error_sp (GetAsyncErrorStream());
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if (error_sp)
|
|
{
|
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error_sp->PutCString(data);
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error_sp->Flush();
|
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}
|
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}
|
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}
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else if (event_type & CommandInterpreter::eBroadcastBitAsynchronousOutputData)
|
|
{
|
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const char *data = reinterpret_cast<const char *>(EventDataBytes::GetBytesFromEvent (event_sp.get()));
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if (data && data[0])
|
|
{
|
|
StreamSP output_sp (GetAsyncOutputStream());
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|
if (output_sp)
|
|
{
|
|
output_sp->PutCString(data);
|
|
output_sp->Flush();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
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 (!m_event_handler_thread.IsJoinable())
|
|
{
|
|
// We must synchronize with the DefaultEventHandler() thread to ensure
|
|
// it is up and running and listening to events before we return from
|
|
// this function. We do this by listening to events for the
|
|
// eBroadcastBitEventThreadIsListening from the m_sync_broadcaster
|
|
Listener listener("lldb.debugger.event-handler");
|
|
listener.StartListeningForEvents(&m_sync_broadcaster, eBroadcastBitEventThreadIsListening);
|
|
|
|
// Use larger 8MB stack for this thread
|
|
m_event_handler_thread = ThreadLauncher::LaunchThread("lldb.debugger.event-handler", EventHandlerThread,
|
|
this,
|
|
NULL,
|
|
g_debugger_event_thread_stack_bytes);
|
|
|
|
// Make sure DefaultEventHandler() is running and listening to events before we return
|
|
// from this function. We are only listening for events of type
|
|
// eBroadcastBitEventThreadIsListening so we don't need to check the event, we just need
|
|
// to wait an infinite amount of time for it (NULL timeout as the first parameter)
|
|
lldb::EventSP event_sp;
|
|
listener.WaitForEvent(NULL, event_sp);
|
|
}
|
|
return m_event_handler_thread.IsJoinable();
|
|
}
|
|
|
|
void
|
|
Debugger::StopEventHandlerThread()
|
|
{
|
|
if (m_event_handler_thread.IsJoinable())
|
|
{
|
|
GetCommandInterpreter().BroadcastEvent(CommandInterpreter::eBroadcastBitQuitCommandReceived);
|
|
m_event_handler_thread.Join(nullptr);
|
|
}
|
|
}
|
|
|
|
|
|
lldb::thread_result_t
|
|
Debugger::IOHandlerThread (lldb::thread_arg_t arg)
|
|
{
|
|
Debugger *debugger = (Debugger *)arg;
|
|
debugger->ExecuteIOHandlers();
|
|
debugger->StopEventHandlerThread();
|
|
return NULL;
|
|
}
|
|
|
|
bool
|
|
Debugger::StartIOHandlerThread()
|
|
{
|
|
if (!m_io_handler_thread.IsJoinable())
|
|
m_io_handler_thread = ThreadLauncher::LaunchThread ("lldb.debugger.io-handler",
|
|
IOHandlerThread,
|
|
this,
|
|
NULL,
|
|
8*1024*1024); // Use larger 8MB stack for this thread
|
|
return m_io_handler_thread.IsJoinable();
|
|
}
|
|
|
|
void
|
|
Debugger::StopIOHandlerThread()
|
|
{
|
|
if (m_io_handler_thread.IsJoinable())
|
|
{
|
|
if (m_input_file_sp)
|
|
m_input_file_sp->GetFile().Close();
|
|
m_io_handler_thread.Join(nullptr);
|
|
}
|
|
}
|
|
|
|
Target *
|
|
Debugger::GetDummyTarget()
|
|
{
|
|
return m_target_list.GetDummyTarget (*this).get();
|
|
}
|
|
|
|
Target *
|
|
Debugger::GetSelectedOrDummyTarget(bool prefer_dummy)
|
|
{
|
|
Target *target = nullptr;
|
|
if (!prefer_dummy)
|
|
{
|
|
target = m_target_list.GetSelectedTarget().get();
|
|
if (target)
|
|
return target;
|
|
}
|
|
|
|
return GetDummyTarget();
|
|
}
|
|
|