| File: | tools/lldb/source/Core/Debugger.cpp |
| Location: | line 2649, column 41 |
| Description: | Value stored to 'var_success' is never read |
| 1 | //===-- Debugger.cpp --------------------------------------------*- C++ -*-===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
| 10 | #include "lldb/lldb-python.h" |
| 11 | |
| 12 | #include "lldb/Core/Debugger.h" |
| 13 | |
| 14 | #include <map> |
| 15 | |
| 16 | #include "clang/AST/DeclCXX.h" |
| 17 | #include "clang/AST/Type.h" |
| 18 | #include "llvm/ADT/StringRef.h" |
| 19 | |
| 20 | #include "lldb/lldb-private.h" |
| 21 | #include "lldb/Core/Module.h" |
| 22 | #include "lldb/Core/PluginManager.h" |
| 23 | #include "lldb/Core/RegisterValue.h" |
| 24 | #include "lldb/Core/State.h" |
| 25 | #include "lldb/Core/StreamAsynchronousIO.h" |
| 26 | #include "lldb/Core/StreamCallback.h" |
| 27 | #include "lldb/Core/StreamFile.h" |
| 28 | #include "lldb/Core/StreamString.h" |
| 29 | #include "lldb/Core/StructuredData.h" |
| 30 | #include "lldb/Core/Timer.h" |
| 31 | #include "lldb/Core/ValueObject.h" |
| 32 | #include "lldb/Core/ValueObjectVariable.h" |
| 33 | #include "lldb/DataFormatters/DataVisualization.h" |
| 34 | #include "lldb/DataFormatters/FormatManager.h" |
| 35 | #include "lldb/DataFormatters/TypeSummary.h" |
| 36 | #include "lldb/Host/ConnectionFileDescriptor.h" |
| 37 | #include "lldb/Host/HostInfo.h" |
| 38 | #include "lldb/Host/Terminal.h" |
| 39 | #include "lldb/Host/ThreadLauncher.h" |
| 40 | #include "lldb/Interpreter/CommandInterpreter.h" |
| 41 | #include "lldb/Interpreter/OptionValueSInt64.h" |
| 42 | #include "lldb/Interpreter/OptionValueString.h" |
| 43 | #include "lldb/Symbol/ClangASTContext.h" |
| 44 | #include "lldb/Symbol/CompileUnit.h" |
| 45 | #include "lldb/Symbol/Function.h" |
| 46 | #include "lldb/Symbol/Symbol.h" |
| 47 | #include "lldb/Symbol/VariableList.h" |
| 48 | #include "lldb/Target/CPPLanguageRuntime.h" |
| 49 | #include "lldb/Target/ObjCLanguageRuntime.h" |
| 50 | #include "lldb/Target/TargetList.h" |
| 51 | #include "lldb/Target/Process.h" |
| 52 | #include "lldb/Target/RegisterContext.h" |
| 53 | #include "lldb/Target/SectionLoadList.h" |
| 54 | #include "lldb/Target/StopInfo.h" |
| 55 | #include "lldb/Target/Target.h" |
| 56 | #include "lldb/Target/Thread.h" |
| 57 | #include "lldb/Utility/AnsiTerminal.h" |
| 58 | |
| 59 | #include "llvm/Support/DynamicLibrary.h" |
| 60 | |
| 61 | using namespace lldb; |
| 62 | using namespace lldb_private; |
| 63 | |
| 64 | |
| 65 | static uint32_t g_shared_debugger_refcount = 0; |
| 66 | static lldb::user_id_t g_unique_id = 1; |
| 67 | static size_t g_debugger_event_thread_stack_bytes = 8 * 1024 * 1024; |
| 68 | |
| 69 | #pragma mark Static Functions |
| 70 | |
| 71 | static Mutex & |
| 72 | GetDebuggerListMutex () |
| 73 | { |
| 74 | static Mutex g_mutex(Mutex::eMutexTypeRecursive); |
| 75 | return g_mutex; |
| 76 | } |
| 77 | |
| 78 | typedef std::vector<DebuggerSP> DebuggerList; |
| 79 | |
| 80 | static DebuggerList & |
| 81 | GetDebuggerList() |
| 82 | { |
| 83 | // hide the static debugger list inside a singleton accessor to avoid |
| 84 | // global init constructors |
| 85 | static DebuggerList g_list; |
| 86 | return g_list; |
| 87 | } |
| 88 | |
| 89 | OptionEnumValueElement |
| 90 | g_show_disassembly_enum_values[] = |
| 91 | { |
| 92 | { Debugger::eStopDisassemblyTypeNever, "never", "Never show disassembly when displaying a stop context."}, |
| 93 | { Debugger::eStopDisassemblyTypeNoSource, "no-source", "Show disassembly when there is no source information, or the source file is missing when displaying a stop context."}, |
| 94 | { Debugger::eStopDisassemblyTypeAlways, "always", "Always show disassembly when displaying a stop context."}, |
| 95 | { 0, NULL__null, NULL__null } |
| 96 | }; |
| 97 | |
| 98 | OptionEnumValueElement |
| 99 | g_language_enumerators[] = |
| 100 | { |
| 101 | { eScriptLanguageNone, "none", "Disable scripting languages."}, |
| 102 | { eScriptLanguagePython, "python", "Select python as the default scripting language."}, |
| 103 | { eScriptLanguageDefault, "default", "Select the lldb default as the default scripting language."}, |
| 104 | { 0, NULL__null, NULL__null } |
| 105 | }; |
| 106 | |
| 107 | #define MODULE_WITH_FUNC"{ ${module.file.basename}{`${function.name-with-args}${function.pc-offset}}}" "{ ${module.file.basename}{`${function.name-with-args}${function.pc-offset}}}" |
| 108 | #define FILE_AND_LINE"{ at ${line.file.basename}:${line.number}}" "{ at ${line.file.basename}:${line.number}}" |
| 109 | |
| 110 | #define DEFAULT_THREAD_FORMAT"thread #${thread.index}: tid = ${thread.id%tid}" "{, ${frame.pc}}" "{ ${module.file.basename}{`${function.name-with-args}${function.pc-offset}}}" "{ at ${line.file.basename}:${line.number}}" "{, name = '${thread.name}'}" "{, queue = '${thread.queue}'}" "{, activity = '${thread.info.activity.name}'}" "{, ${thread.info.trace_messages} messages}" "{, stop reason = ${thread.stop-reason}}" "{\\nReturn value: ${thread.return-value}}" "{\\nCompleted expression: ${thread.completed-expression}}" "\\n" "thread #${thread.index}: tid = ${thread.id%tid}"\ |
| 111 | "{, ${frame.pc}}"\ |
| 112 | MODULE_WITH_FUNC"{ ${module.file.basename}{`${function.name-with-args}${function.pc-offset}}}"\ |
| 113 | FILE_AND_LINE"{ at ${line.file.basename}:${line.number}}"\ |
| 114 | "{, name = '${thread.name}'}"\ |
| 115 | "{, queue = '${thread.queue}'}"\ |
| 116 | "{, activity = '${thread.info.activity.name}'}" \ |
| 117 | "{, ${thread.info.trace_messages} messages}" \ |
| 118 | "{, stop reason = ${thread.stop-reason}}"\ |
| 119 | "{\\nReturn value: ${thread.return-value}}"\ |
| 120 | "{\\nCompleted expression: ${thread.completed-expression}}"\ |
| 121 | "\\n" |
| 122 | |
| 123 | #define DEFAULT_FRAME_FORMAT"frame #${frame.index}: ${frame.pc}" "{ ${module.file.basename}{`${function.name-with-args}${function.pc-offset}}}" "{ at ${line.file.basename}:${line.number}}" "\\n" "frame #${frame.index}: ${frame.pc}"\ |
| 124 | MODULE_WITH_FUNC"{ ${module.file.basename}{`${function.name-with-args}${function.pc-offset}}}"\ |
| 125 | FILE_AND_LINE"{ at ${line.file.basename}:${line.number}}"\ |
| 126 | "\\n" |
| 127 | |
| 128 | #define DEFAULT_DISASSEMBLY_FORMAT"${current-pc-arrow}${addr-file-or-load}{ <${function.name-without-args}${function.concrete-only-addr-offset-no-padding}>}: " "${current-pc-arrow}${addr-file-or-load}{ <${function.name-without-args}${function.concrete-only-addr-offset-no-padding}>}: " |
| 129 | |
| 130 | static PropertyDefinition |
| 131 | g_properties[] = |
| 132 | { |
| 133 | { "auto-confirm", OptionValue::eTypeBoolean, true, false, NULL__null, NULL__null, "If true all confirmation prompts will receive their default reply." }, |
| 134 | { "disassembly-format", OptionValue::eTypeString , true, 0 , DEFAULT_DISASSEMBLY_FORMAT"${current-pc-arrow}${addr-file-or-load}{ <${function.name-without-args}${function.concrete-only-addr-offset-no-padding}>}: ", NULL__null, "The default disassembly format string to use when disassembling instruction sequences." }, |
| 135 | { "frame-format", OptionValue::eTypeString , true, 0 , DEFAULT_FRAME_FORMAT"frame #${frame.index}: ${frame.pc}" "{ ${module.file.basename}{`${function.name-with-args}${function.pc-offset}}}" "{ at ${line.file.basename}:${line.number}}" "\\n", NULL__null, "The default frame format string to use when displaying stack frame information for threads." }, |
| 136 | { "notify-void", OptionValue::eTypeBoolean, true, false, NULL__null, NULL__null, "Notify the user explicitly if an expression returns void (default: false)." }, |
| 137 | { "prompt", OptionValue::eTypeString , true, OptionValueString::eOptionEncodeCharacterEscapeSequences, "(lldb) ", NULL__null, "The debugger command line prompt displayed for the user." }, |
| 138 | { "script-lang", OptionValue::eTypeEnum , true, eScriptLanguagePython, NULL__null, g_language_enumerators, "The script language to be used for evaluating user-written scripts." }, |
| 139 | { "stop-disassembly-count", OptionValue::eTypeSInt64 , true, 4 , NULL__null, NULL__null, "The number of disassembly lines to show when displaying a stopped context." }, |
| 140 | { "stop-disassembly-display", OptionValue::eTypeEnum , true, Debugger::eStopDisassemblyTypeNoSource, NULL__null, g_show_disassembly_enum_values, "Control when to display disassembly when displaying a stopped context." }, |
| 141 | { "stop-line-count-after", OptionValue::eTypeSInt64 , true, 3 , NULL__null, NULL__null, "The number of sources lines to display that come after the current source line when displaying a stopped context." }, |
| 142 | { "stop-line-count-before", OptionValue::eTypeSInt64 , true, 3 , NULL__null, NULL__null, "The number of sources lines to display that come before the current source line when displaying a stopped context." }, |
| 143 | { "term-width", OptionValue::eTypeSInt64 , true, 80 , NULL__null, NULL__null, "The maximum number of columns to use for displaying text." }, |
| 144 | { "thread-format", OptionValue::eTypeString , true, 0 , DEFAULT_THREAD_FORMAT"thread #${thread.index}: tid = ${thread.id%tid}" "{, ${frame.pc}}" "{ ${module.file.basename}{`${function.name-with-args}${function.pc-offset}}}" "{ at ${line.file.basename}:${line.number}}" "{, name = '${thread.name}'}" "{, queue = '${thread.queue}'}" "{, activity = '${thread.info.activity.name}'}" "{, ${thread.info.trace_messages} messages}" "{, stop reason = ${thread.stop-reason}}" "{\\nReturn value: ${thread.return-value}}" "{\\nCompleted expression: ${thread.completed-expression}}" "\\n", NULL__null, "The default thread format string to use when displaying thread information." }, |
| 145 | { "use-external-editor", OptionValue::eTypeBoolean, true, false, NULL__null, NULL__null, "Whether to use an external editor or not." }, |
| 146 | { "use-color", OptionValue::eTypeBoolean, true, true , NULL__null, NULL__null, "Whether to use Ansi color codes or not." }, |
| 147 | { "auto-one-line-summaries", OptionValue::eTypeBoolean, true, true, NULL__null, NULL__null, "If true, LLDB will automatically display small structs in one-liner format (default: true)." }, |
| 148 | { "escape-non-printables", OptionValue::eTypeBoolean, true, true, NULL__null, NULL__null, "If true, LLDB will automatically escape non-printable and escape characters when formatting strings." }, |
| 149 | |
| 150 | { NULL__null, OptionValue::eTypeInvalid, true, 0 , NULL__null, NULL__null, NULL__null } |
| 151 | }; |
| 152 | |
| 153 | enum |
| 154 | { |
| 155 | ePropertyAutoConfirm = 0, |
| 156 | ePropertyDisassemblyFormat, |
| 157 | ePropertyFrameFormat, |
| 158 | ePropertyNotiftVoid, |
| 159 | ePropertyPrompt, |
| 160 | ePropertyScriptLanguage, |
| 161 | ePropertyStopDisassemblyCount, |
| 162 | ePropertyStopDisassemblyDisplay, |
| 163 | ePropertyStopLineCountAfter, |
| 164 | ePropertyStopLineCountBefore, |
| 165 | ePropertyTerminalWidth, |
| 166 | ePropertyThreadFormat, |
| 167 | ePropertyUseExternalEditor, |
| 168 | ePropertyUseColor, |
| 169 | ePropertyAutoOneLineSummaries, |
| 170 | ePropertyEscapeNonPrintables |
| 171 | }; |
| 172 | |
| 173 | Debugger::LoadPluginCallbackType Debugger::g_load_plugin_callback = NULL__null; |
| 174 | |
| 175 | Error |
| 176 | Debugger::SetPropertyValue (const ExecutionContext *exe_ctx, |
| 177 | VarSetOperationType op, |
| 178 | const char *property_path, |
| 179 | const char *value) |
| 180 | { |
| 181 | bool is_load_script = strcmp(property_path,"target.load-script-from-symbol-file") == 0; |
| 182 | bool is_escape_non_printables = strcmp(property_path, "escape-non-printables") == 0; |
| 183 | TargetSP target_sp; |
| 184 | LoadScriptFromSymFile load_script_old_value; |
| 185 | if (is_load_script && exe_ctx->GetTargetSP()) |
| 186 | { |
| 187 | target_sp = exe_ctx->GetTargetSP(); |
| 188 | load_script_old_value = target_sp->TargetProperties::GetLoadScriptFromSymbolFile(); |
| 189 | } |
| 190 | Error error (Properties::SetPropertyValue (exe_ctx, op, property_path, value)); |
| 191 | if (error.Success()) |
| 192 | { |
| 193 | // FIXME it would be nice to have "on-change" callbacks for properties |
| 194 | if (strcmp(property_path, g_properties[ePropertyPrompt].name) == 0) |
| 195 | { |
| 196 | const char *new_prompt = GetPrompt(); |
| 197 | std::string str = lldb_utility::ansi::FormatAnsiTerminalCodes (new_prompt, GetUseColor()); |
| 198 | if (str.length()) |
| 199 | new_prompt = str.c_str(); |
| 200 | GetCommandInterpreter().UpdatePrompt(new_prompt); |
| 201 | EventSP prompt_change_event_sp (new Event(CommandInterpreter::eBroadcastBitResetPrompt, new EventDataBytes (new_prompt))); |
| 202 | GetCommandInterpreter().BroadcastEvent (prompt_change_event_sp); |
| 203 | } |
| 204 | else if (strcmp(property_path, g_properties[ePropertyUseColor].name) == 0) |
| 205 | { |
| 206 | // use-color changed. Ping the prompt so it can reset the ansi terminal codes. |
| 207 | SetPrompt (GetPrompt()); |
| 208 | } |
| 209 | else if (is_load_script && target_sp && load_script_old_value == eLoadScriptFromSymFileWarn) |
| 210 | { |
| 211 | if (target_sp->TargetProperties::GetLoadScriptFromSymbolFile() == eLoadScriptFromSymFileTrue) |
| 212 | { |
| 213 | std::list<Error> errors; |
| 214 | StreamString feedback_stream; |
| 215 | if (!target_sp->LoadScriptingResources(errors,&feedback_stream)) |
| 216 | { |
| 217 | StreamFileSP stream_sp (GetErrorFile()); |
| 218 | if (stream_sp) |
| 219 | { |
| 220 | for (auto error : errors) |
| 221 | { |
| 222 | stream_sp->Printf("%s\n",error.AsCString()); |
| 223 | } |
| 224 | if (feedback_stream.GetSize()) |
| 225 | stream_sp->Printf("%s",feedback_stream.GetData()); |
| 226 | } |
| 227 | } |
| 228 | } |
| 229 | } |
| 230 | else if (is_escape_non_printables) |
| 231 | { |
| 232 | DataVisualization::ForceUpdate(); |
| 233 | } |
| 234 | } |
| 235 | return error; |
| 236 | } |
| 237 | |
| 238 | bool |
| 239 | Debugger::GetAutoConfirm () const |
| 240 | { |
| 241 | const uint32_t idx = ePropertyAutoConfirm; |
| 242 | return m_collection_sp->GetPropertyAtIndexAsBoolean (NULL__null, idx, g_properties[idx].default_uint_value != 0); |
| 243 | } |
| 244 | |
| 245 | const char * |
| 246 | Debugger::GetDisassemblyFormat() const |
| 247 | { |
| 248 | const uint32_t idx = ePropertyDisassemblyFormat; |
| 249 | return m_collection_sp->GetPropertyAtIndexAsString (NULL__null, idx, g_properties[idx].default_cstr_value); |
| 250 | } |
| 251 | |
| 252 | const char * |
| 253 | Debugger::GetFrameFormat() const |
| 254 | { |
| 255 | const uint32_t idx = ePropertyFrameFormat; |
| 256 | return m_collection_sp->GetPropertyAtIndexAsString (NULL__null, idx, g_properties[idx].default_cstr_value); |
| 257 | } |
| 258 | |
| 259 | bool |
| 260 | Debugger::GetNotifyVoid () const |
| 261 | { |
| 262 | const uint32_t idx = ePropertyNotiftVoid; |
| 263 | return m_collection_sp->GetPropertyAtIndexAsBoolean (NULL__null, idx, g_properties[idx].default_uint_value != 0); |
| 264 | } |
| 265 | |
| 266 | const char * |
| 267 | Debugger::GetPrompt() const |
| 268 | { |
| 269 | const uint32_t idx = ePropertyPrompt; |
| 270 | return m_collection_sp->GetPropertyAtIndexAsString (NULL__null, idx, g_properties[idx].default_cstr_value); |
| 271 | } |
| 272 | |
| 273 | void |
| 274 | Debugger::SetPrompt(const char *p) |
| 275 | { |
| 276 | const uint32_t idx = ePropertyPrompt; |
| 277 | m_collection_sp->SetPropertyAtIndexAsString (NULL__null, idx, p); |
| 278 | const char *new_prompt = GetPrompt(); |
| 279 | std::string str = lldb_utility::ansi::FormatAnsiTerminalCodes (new_prompt, GetUseColor()); |
| 280 | if (str.length()) |
| 281 | new_prompt = str.c_str(); |
| 282 | GetCommandInterpreter().UpdatePrompt(new_prompt); |
| 283 | } |
| 284 | |
| 285 | const char * |
| 286 | Debugger::GetThreadFormat() const |
| 287 | { |
| 288 | const uint32_t idx = ePropertyThreadFormat; |
| 289 | return m_collection_sp->GetPropertyAtIndexAsString (NULL__null, idx, g_properties[idx].default_cstr_value); |
| 290 | } |
| 291 | |
| 292 | lldb::ScriptLanguage |
| 293 | Debugger::GetScriptLanguage() const |
| 294 | { |
| 295 | const uint32_t idx = ePropertyScriptLanguage; |
| 296 | return (lldb::ScriptLanguage)m_collection_sp->GetPropertyAtIndexAsEnumeration (NULL__null, idx, g_properties[idx].default_uint_value); |
| 297 | } |
| 298 | |
| 299 | bool |
| 300 | Debugger::SetScriptLanguage (lldb::ScriptLanguage script_lang) |
| 301 | { |
| 302 | const uint32_t idx = ePropertyScriptLanguage; |
| 303 | return m_collection_sp->SetPropertyAtIndexAsEnumeration (NULL__null, idx, script_lang); |
| 304 | } |
| 305 | |
| 306 | uint32_t |
| 307 | Debugger::GetTerminalWidth () const |
| 308 | { |
| 309 | const uint32_t idx = ePropertyTerminalWidth; |
| 310 | return m_collection_sp->GetPropertyAtIndexAsSInt64 (NULL__null, idx, g_properties[idx].default_uint_value); |
| 311 | } |
| 312 | |
| 313 | bool |
| 314 | Debugger::SetTerminalWidth (uint32_t term_width) |
| 315 | { |
| 316 | const uint32_t idx = ePropertyTerminalWidth; |
| 317 | return m_collection_sp->SetPropertyAtIndexAsSInt64 (NULL__null, idx, term_width); |
| 318 | } |
| 319 | |
| 320 | bool |
| 321 | Debugger::GetUseExternalEditor () const |
| 322 | { |
| 323 | const uint32_t idx = ePropertyUseExternalEditor; |
| 324 | return m_collection_sp->GetPropertyAtIndexAsBoolean (NULL__null, idx, g_properties[idx].default_uint_value != 0); |
| 325 | } |
| 326 | |
| 327 | bool |
| 328 | Debugger::SetUseExternalEditor (bool b) |
| 329 | { |
| 330 | const uint32_t idx = ePropertyUseExternalEditor; |
| 331 | return m_collection_sp->SetPropertyAtIndexAsBoolean (NULL__null, idx, b); |
| 332 | } |
| 333 | |
| 334 | bool |
| 335 | Debugger::GetUseColor () const |
| 336 | { |
| 337 | const uint32_t idx = ePropertyUseColor; |
| 338 | return m_collection_sp->GetPropertyAtIndexAsBoolean (NULL__null, idx, g_properties[idx].default_uint_value != 0); |
| 339 | } |
| 340 | |
| 341 | bool |
| 342 | Debugger::SetUseColor (bool b) |
| 343 | { |
| 344 | const uint32_t idx = ePropertyUseColor; |
| 345 | bool ret = m_collection_sp->SetPropertyAtIndexAsBoolean (NULL__null, idx, b); |
| 346 | SetPrompt (GetPrompt()); |
| 347 | return ret; |
| 348 | } |
| 349 | |
| 350 | uint32_t |
| 351 | Debugger::GetStopSourceLineCount (bool before) const |
| 352 | { |
| 353 | const uint32_t idx = before ? ePropertyStopLineCountBefore : ePropertyStopLineCountAfter; |
| 354 | return m_collection_sp->GetPropertyAtIndexAsSInt64 (NULL__null, idx, g_properties[idx].default_uint_value); |
| 355 | } |
| 356 | |
| 357 | Debugger::StopDisassemblyType |
| 358 | Debugger::GetStopDisassemblyDisplay () const |
| 359 | { |
| 360 | const uint32_t idx = ePropertyStopDisassemblyDisplay; |
| 361 | return (Debugger::StopDisassemblyType)m_collection_sp->GetPropertyAtIndexAsEnumeration (NULL__null, idx, g_properties[idx].default_uint_value); |
| 362 | } |
| 363 | |
| 364 | uint32_t |
| 365 | Debugger::GetDisassemblyLineCount () const |
| 366 | { |
| 367 | const uint32_t idx = ePropertyStopDisassemblyCount; |
| 368 | return m_collection_sp->GetPropertyAtIndexAsSInt64 (NULL__null, idx, g_properties[idx].default_uint_value); |
| 369 | } |
| 370 | |
| 371 | bool |
| 372 | Debugger::GetAutoOneLineSummaries () const |
| 373 | { |
| 374 | const uint32_t idx = ePropertyAutoOneLineSummaries; |
| 375 | return m_collection_sp->GetPropertyAtIndexAsBoolean (NULL__null, idx, true); |
| 376 | } |
| 377 | |
| 378 | bool |
| 379 | Debugger::GetEscapeNonPrintables () const |
| 380 | { |
| 381 | const uint32_t idx = ePropertyEscapeNonPrintables; |
| 382 | return m_collection_sp->GetPropertyAtIndexAsBoolean (NULL__null, idx, true); |
| 383 | } |
| 384 | |
| 385 | #pragma mark Debugger |
| 386 | |
| 387 | //const DebuggerPropertiesSP & |
| 388 | //Debugger::GetSettings() const |
| 389 | //{ |
| 390 | // return m_properties_sp; |
| 391 | //} |
| 392 | // |
| 393 | |
| 394 | int |
| 395 | Debugger::TestDebuggerRefCount () |
| 396 | { |
| 397 | return g_shared_debugger_refcount; |
| 398 | } |
| 399 | |
| 400 | void |
| 401 | Debugger::Initialize (LoadPluginCallbackType load_plugin_callback) |
| 402 | { |
| 403 | g_load_plugin_callback = load_plugin_callback; |
| 404 | if (g_shared_debugger_refcount++ == 0) |
| 405 | lldb_private::Initialize(); |
| 406 | } |
| 407 | |
| 408 | void |
| 409 | Debugger::Terminate () |
| 410 | { |
| 411 | if (g_shared_debugger_refcount > 0) |
| 412 | { |
| 413 | g_shared_debugger_refcount--; |
| 414 | if (g_shared_debugger_refcount == 0) |
| 415 | { |
| 416 | lldb_private::WillTerminate(); |
| 417 | lldb_private::Terminate(); |
| 418 | |
| 419 | // Clear our master list of debugger objects |
| 420 | Mutex::Locker locker (GetDebuggerListMutex ()); |
| 421 | GetDebuggerList().clear(); |
| 422 | } |
| 423 | } |
| 424 | } |
| 425 | |
| 426 | void |
| 427 | Debugger::SettingsInitialize () |
| 428 | { |
| 429 | Target::SettingsInitialize (); |
| 430 | } |
| 431 | |
| 432 | void |
| 433 | Debugger::SettingsTerminate () |
| 434 | { |
| 435 | Target::SettingsTerminate (); |
| 436 | } |
| 437 | |
| 438 | bool |
| 439 | Debugger::LoadPlugin (const FileSpec& spec, Error& error) |
| 440 | { |
| 441 | if (g_load_plugin_callback) |
| 442 | { |
| 443 | llvm::sys::DynamicLibrary dynlib = g_load_plugin_callback (shared_from_this(), spec, error); |
| 444 | if (dynlib.isValid()) |
| 445 | { |
| 446 | m_loaded_plugins.push_back(dynlib); |
| 447 | return true; |
| 448 | } |
| 449 | } |
| 450 | else |
| 451 | { |
| 452 | // The g_load_plugin_callback is registered in SBDebugger::Initialize() |
| 453 | // and if the public API layer isn't available (code is linking against |
| 454 | // all of the internal LLDB static libraries), then we can't load plugins |
| 455 | error.SetErrorString("Public API layer is not available"); |
| 456 | } |
| 457 | return false; |
| 458 | } |
| 459 | |
| 460 | static FileSpec::EnumerateDirectoryResult |
| 461 | LoadPluginCallback |
| 462 | ( |
| 463 | void *baton, |
| 464 | FileSpec::FileType file_type, |
| 465 | const FileSpec &file_spec |
| 466 | ) |
| 467 | { |
| 468 | Error error; |
| 469 | |
| 470 | static ConstString g_dylibext("dylib"); |
| 471 | static ConstString g_solibext("so"); |
| 472 | |
| 473 | if (!baton) |
| 474 | return FileSpec::eEnumerateDirectoryResultQuit; |
| 475 | |
| 476 | Debugger *debugger = (Debugger*)baton; |
| 477 | |
| 478 | // If we have a regular file, a symbolic link or unknown file type, try |
| 479 | // and process the file. We must handle unknown as sometimes the directory |
| 480 | // enumeration might be enumerating a file system that doesn't have correct |
| 481 | // file type information. |
| 482 | if (file_type == FileSpec::eFileTypeRegular || |
| 483 | file_type == FileSpec::eFileTypeSymbolicLink || |
| 484 | file_type == FileSpec::eFileTypeUnknown ) |
| 485 | { |
| 486 | FileSpec plugin_file_spec (file_spec); |
| 487 | plugin_file_spec.ResolvePath (); |
| 488 | |
| 489 | if (plugin_file_spec.GetFileNameExtension() != g_dylibext && |
| 490 | plugin_file_spec.GetFileNameExtension() != g_solibext) |
| 491 | { |
| 492 | return FileSpec::eEnumerateDirectoryResultNext; |
| 493 | } |
| 494 | |
| 495 | Error plugin_load_error; |
| 496 | debugger->LoadPlugin (plugin_file_spec, plugin_load_error); |
| 497 | |
| 498 | return FileSpec::eEnumerateDirectoryResultNext; |
| 499 | } |
| 500 | |
| 501 | else if (file_type == FileSpec::eFileTypeUnknown || |
| 502 | file_type == FileSpec::eFileTypeDirectory || |
| 503 | file_type == FileSpec::eFileTypeSymbolicLink ) |
| 504 | { |
| 505 | // Try and recurse into anything that a directory or symbolic link. |
| 506 | // We must also do this for unknown as sometimes the directory enumeration |
| 507 | // might be enumerating a file system that doesn't have correct file type |
| 508 | // information. |
| 509 | return FileSpec::eEnumerateDirectoryResultEnter; |
| 510 | } |
| 511 | |
| 512 | return FileSpec::eEnumerateDirectoryResultNext; |
| 513 | } |
| 514 | |
| 515 | void |
| 516 | Debugger::InstanceInitialize () |
| 517 | { |
| 518 | FileSpec dir_spec; |
| 519 | const bool find_directories = true; |
| 520 | const bool find_files = true; |
| 521 | const bool find_other = true; |
| 522 | char dir_path[PATH_MAX4096]; |
| 523 | if (HostInfo::GetLLDBPath(ePathTypeLLDBSystemPlugins, dir_spec)) |
| 524 | { |
| 525 | if (dir_spec.Exists() && dir_spec.GetPath(dir_path, sizeof(dir_path))) |
| 526 | { |
| 527 | FileSpec::EnumerateDirectory (dir_path, |
| 528 | find_directories, |
| 529 | find_files, |
| 530 | find_other, |
| 531 | LoadPluginCallback, |
| 532 | this); |
| 533 | } |
| 534 | } |
| 535 | |
| 536 | if (HostInfo::GetLLDBPath(ePathTypeLLDBUserPlugins, dir_spec)) |
| 537 | { |
| 538 | if (dir_spec.Exists() && dir_spec.GetPath(dir_path, sizeof(dir_path))) |
| 539 | { |
| 540 | FileSpec::EnumerateDirectory (dir_path, |
| 541 | find_directories, |
| 542 | find_files, |
| 543 | find_other, |
| 544 | LoadPluginCallback, |
| 545 | this); |
| 546 | } |
| 547 | } |
| 548 | |
| 549 | PluginManager::DebuggerInitialize (*this); |
| 550 | } |
| 551 | |
| 552 | DebuggerSP |
| 553 | Debugger::CreateInstance (lldb::LogOutputCallback log_callback, void *baton) |
| 554 | { |
| 555 | DebuggerSP debugger_sp (new Debugger(log_callback, baton)); |
| 556 | if (g_shared_debugger_refcount > 0) |
| 557 | { |
| 558 | Mutex::Locker locker (GetDebuggerListMutex ()); |
| 559 | GetDebuggerList().push_back(debugger_sp); |
| 560 | } |
| 561 | debugger_sp->InstanceInitialize (); |
| 562 | return debugger_sp; |
| 563 | } |
| 564 | |
| 565 | void |
| 566 | Debugger::Destroy (DebuggerSP &debugger_sp) |
| 567 | { |
| 568 | if (debugger_sp.get() == NULL__null) |
| 569 | return; |
| 570 | |
| 571 | debugger_sp->Clear(); |
| 572 | |
| 573 | if (g_shared_debugger_refcount > 0) |
| 574 | { |
| 575 | Mutex::Locker locker (GetDebuggerListMutex ()); |
| 576 | DebuggerList &debugger_list = GetDebuggerList (); |
| 577 | DebuggerList::iterator pos, end = debugger_list.end(); |
| 578 | for (pos = debugger_list.begin (); pos != end; ++pos) |
| 579 | { |
| 580 | if ((*pos).get() == debugger_sp.get()) |
| 581 | { |
| 582 | debugger_list.erase (pos); |
| 583 | return; |
| 584 | } |
| 585 | } |
| 586 | } |
| 587 | } |
| 588 | |
| 589 | DebuggerSP |
| 590 | Debugger::FindDebuggerWithInstanceName (const ConstString &instance_name) |
| 591 | { |
| 592 | DebuggerSP debugger_sp; |
| 593 | if (g_shared_debugger_refcount > 0) |
| 594 | { |
| 595 | Mutex::Locker locker (GetDebuggerListMutex ()); |
| 596 | DebuggerList &debugger_list = GetDebuggerList(); |
| 597 | DebuggerList::iterator pos, end = debugger_list.end(); |
| 598 | |
| 599 | for (pos = debugger_list.begin(); pos != end; ++pos) |
| 600 | { |
| 601 | if ((*pos).get()->m_instance_name == instance_name) |
| 602 | { |
| 603 | debugger_sp = *pos; |
| 604 | break; |
| 605 | } |
| 606 | } |
| 607 | } |
| 608 | return debugger_sp; |
| 609 | } |
| 610 | |
| 611 | TargetSP |
| 612 | Debugger::FindTargetWithProcessID (lldb::pid_t pid) |
| 613 | { |
| 614 | TargetSP target_sp; |
| 615 | if (g_shared_debugger_refcount > 0) |
| 616 | { |
| 617 | Mutex::Locker locker (GetDebuggerListMutex ()); |
| 618 | DebuggerList &debugger_list = GetDebuggerList(); |
| 619 | DebuggerList::iterator pos, end = debugger_list.end(); |
| 620 | for (pos = debugger_list.begin(); pos != end; ++pos) |
| 621 | { |
| 622 | target_sp = (*pos)->GetTargetList().FindTargetWithProcessID (pid); |
| 623 | if (target_sp) |
| 624 | break; |
| 625 | } |
| 626 | } |
| 627 | return target_sp; |
| 628 | } |
| 629 | |
| 630 | TargetSP |
| 631 | Debugger::FindTargetWithProcess (Process *process) |
| 632 | { |
| 633 | TargetSP target_sp; |
| 634 | if (g_shared_debugger_refcount > 0) |
| 635 | { |
| 636 | Mutex::Locker locker (GetDebuggerListMutex ()); |
| 637 | DebuggerList &debugger_list = GetDebuggerList(); |
| 638 | DebuggerList::iterator pos, end = debugger_list.end(); |
| 639 | for (pos = debugger_list.begin(); pos != end; ++pos) |
| 640 | { |
| 641 | target_sp = (*pos)->GetTargetList().FindTargetWithProcess (process); |
| 642 | if (target_sp) |
| 643 | break; |
| 644 | } |
| 645 | } |
| 646 | return target_sp; |
| 647 | } |
| 648 | |
| 649 | Debugger::Debugger(lldb::LogOutputCallback log_callback, void *baton) : |
| 650 | UserID(g_unique_id++), |
| 651 | Properties(OptionValuePropertiesSP(new OptionValueProperties())), |
| 652 | m_input_file_sp(new StreamFile(stdinstdin, false)), |
| 653 | m_output_file_sp(new StreamFile(stdoutstdout, false)), |
| 654 | m_error_file_sp(new StreamFile(stderrstderr, false)), |
| 655 | m_terminal_state(), |
| 656 | m_target_list(*this), |
| 657 | m_platform_list(), |
| 658 | m_listener("lldb.Debugger"), |
| 659 | m_source_manager_ap(), |
| 660 | m_source_file_cache(), |
| 661 | m_command_interpreter_ap(new CommandInterpreter(*this, eScriptLanguageDefault, false)), |
| 662 | m_input_reader_stack(), |
| 663 | m_instance_name(), |
| 664 | m_loaded_plugins(), |
| 665 | m_event_handler_thread (), |
| 666 | m_io_handler_thread (), |
| 667 | m_sync_broadcaster (NULL__null, "lldb.debugger.sync") |
| 668 | { |
| 669 | char instance_cstr[256]; |
| 670 | snprintf(instance_cstr, sizeof(instance_cstr), "debugger_%d", (int)GetID()); |
| 671 | m_instance_name.SetCString(instance_cstr); |
| 672 | if (log_callback) |
| 673 | m_log_callback_stream_sp.reset (new StreamCallback (log_callback, baton)); |
| 674 | m_command_interpreter_ap->Initialize (); |
| 675 | // Always add our default platform to the platform list |
| 676 | PlatformSP default_platform_sp (Platform::GetHostPlatform()); |
| 677 | assert (default_platform_sp.get())((default_platform_sp.get()) ? static_cast<void> (0) : __assert_fail ("default_platform_sp.get()", "/tmp/buildd/llvm-toolchain-snapshot-3.7~svn227765/tools/lldb/source/Core/Debugger.cpp" , 677, __PRETTY_FUNCTION__)); |
| 678 | m_platform_list.Append (default_platform_sp, true); |
| 679 | |
| 680 | m_collection_sp->Initialize (g_properties); |
| 681 | m_collection_sp->AppendProperty (ConstString("target"), |
| 682 | ConstString("Settings specify to debugging targets."), |
| 683 | true, |
| 684 | Target::GetGlobalProperties()->GetValueProperties()); |
| 685 | if (m_command_interpreter_ap.get()) |
| 686 | { |
| 687 | m_collection_sp->AppendProperty (ConstString("interpreter"), |
| 688 | ConstString("Settings specify to the debugger's command interpreter."), |
| 689 | true, |
| 690 | m_command_interpreter_ap->GetValueProperties()); |
| 691 | } |
| 692 | OptionValueSInt64 *term_width = m_collection_sp->GetPropertyAtIndexAsOptionValueSInt64 (NULL__null, ePropertyTerminalWidth); |
| 693 | term_width->SetMinimumValue(10); |
| 694 | term_width->SetMaximumValue(1024); |
| 695 | |
| 696 | // Turn off use-color if this is a dumb terminal. |
| 697 | const char *term = getenv ("TERM"); |
| 698 | if (term && !strcmp (term, "dumb")) |
| 699 | SetUseColor (false); |
| 700 | } |
| 701 | |
| 702 | Debugger::~Debugger () |
| 703 | { |
| 704 | Clear(); |
| 705 | } |
| 706 | |
| 707 | void |
| 708 | Debugger::Clear() |
| 709 | { |
| 710 | ClearIOHandlers(); |
| 711 | StopIOHandlerThread(); |
| 712 | StopEventHandlerThread(); |
| 713 | m_listener.Clear(); |
| 714 | int num_targets = m_target_list.GetNumTargets(); |
| 715 | for (int i = 0; i < num_targets; i++) |
| 716 | { |
| 717 | TargetSP target_sp (m_target_list.GetTargetAtIndex (i)); |
| 718 | if (target_sp) |
| 719 | { |
| 720 | ProcessSP process_sp (target_sp->GetProcessSP()); |
| 721 | if (process_sp) |
| 722 | process_sp->Finalize(); |
| 723 | target_sp->Destroy(); |
| 724 | } |
| 725 | } |
| 726 | BroadcasterManager::Clear (); |
| 727 | |
| 728 | // Close the input file _before_ we close the input read communications class |
| 729 | // as it does NOT own the input file, our m_input_file does. |
| 730 | m_terminal_state.Clear(); |
| 731 | if (m_input_file_sp) |
| 732 | m_input_file_sp->GetFile().Close (); |
| 733 | |
| 734 | m_command_interpreter_ap->Clear(); |
| 735 | } |
| 736 | |
| 737 | bool |
| 738 | Debugger::GetCloseInputOnEOF () const |
| 739 | { |
| 740 | // return m_input_comm.GetCloseOnEOF(); |
| 741 | return false; |
| 742 | } |
| 743 | |
| 744 | void |
| 745 | Debugger::SetCloseInputOnEOF (bool b) |
| 746 | { |
| 747 | // m_input_comm.SetCloseOnEOF(b); |
| 748 | } |
| 749 | |
| 750 | bool |
| 751 | Debugger::GetAsyncExecution () |
| 752 | { |
| 753 | return !m_command_interpreter_ap->GetSynchronous(); |
| 754 | } |
| 755 | |
| 756 | void |
| 757 | Debugger::SetAsyncExecution (bool async_execution) |
| 758 | { |
| 759 | m_command_interpreter_ap->SetSynchronous (!async_execution); |
| 760 | } |
| 761 | |
| 762 | |
| 763 | void |
| 764 | Debugger::SetInputFileHandle (FILE *fh, bool tranfer_ownership) |
| 765 | { |
| 766 | if (m_input_file_sp) |
| 767 | m_input_file_sp->GetFile().SetStream (fh, tranfer_ownership); |
| 768 | else |
| 769 | m_input_file_sp.reset (new StreamFile (fh, tranfer_ownership)); |
| 770 | |
| 771 | File &in_file = m_input_file_sp->GetFile(); |
| 772 | if (in_file.IsValid() == false) |
| 773 | in_file.SetStream (stdinstdin, true); |
| 774 | |
| 775 | // Save away the terminal state if that is relevant, so that we can restore it in RestoreInputState. |
| 776 | SaveInputTerminalState (); |
| 777 | } |
| 778 | |
| 779 | void |
| 780 | Debugger::SetOutputFileHandle (FILE *fh, bool tranfer_ownership) |
| 781 | { |
| 782 | if (m_output_file_sp) |
| 783 | m_output_file_sp->GetFile().SetStream (fh, tranfer_ownership); |
| 784 | else |
| 785 | m_output_file_sp.reset (new StreamFile (fh, tranfer_ownership)); |
| 786 | |
| 787 | File &out_file = m_output_file_sp->GetFile(); |
| 788 | if (out_file.IsValid() == false) |
| 789 | out_file.SetStream (stdoutstdout, false); |
| 790 | |
| 791 | // do not create the ScriptInterpreter just for setting the output file handle |
| 792 | // as the constructor will know how to do the right thing on its own |
| 793 | const bool can_create = false; |
| 794 | ScriptInterpreter* script_interpreter = GetCommandInterpreter().GetScriptInterpreter(can_create); |
| 795 | if (script_interpreter) |
| 796 | script_interpreter->ResetOutputFileHandle (fh); |
| 797 | } |
| 798 | |
| 799 | void |
| 800 | Debugger::SetErrorFileHandle (FILE *fh, bool tranfer_ownership) |
| 801 | { |
| 802 | if (m_error_file_sp) |
| 803 | m_error_file_sp->GetFile().SetStream (fh, tranfer_ownership); |
| 804 | else |
| 805 | m_error_file_sp.reset (new StreamFile (fh, tranfer_ownership)); |
| 806 | |
| 807 | File &err_file = m_error_file_sp->GetFile(); |
| 808 | if (err_file.IsValid() == false) |
| 809 | err_file.SetStream (stderrstderr, false); |
| 810 | } |
| 811 | |
| 812 | void |
| 813 | Debugger::SaveInputTerminalState () |
| 814 | { |
| 815 | if (m_input_file_sp) |
| 816 | { |
| 817 | File &in_file = m_input_file_sp->GetFile(); |
| 818 | if (in_file.GetDescriptor() != File::kInvalidDescriptor) |
| 819 | m_terminal_state.Save(in_file.GetDescriptor(), true); |
| 820 | } |
| 821 | } |
| 822 | |
| 823 | void |
| 824 | Debugger::RestoreInputTerminalState () |
| 825 | { |
| 826 | m_terminal_state.Restore(); |
| 827 | } |
| 828 | |
| 829 | ExecutionContext |
| 830 | Debugger::GetSelectedExecutionContext () |
| 831 | { |
| 832 | ExecutionContext exe_ctx; |
| 833 | TargetSP target_sp(GetSelectedTarget()); |
| 834 | exe_ctx.SetTargetSP (target_sp); |
| 835 | |
| 836 | if (target_sp) |
| 837 | { |
| 838 | ProcessSP process_sp (target_sp->GetProcessSP()); |
| 839 | exe_ctx.SetProcessSP (process_sp); |
| 840 | if (process_sp && process_sp->IsRunning() == false) |
| 841 | { |
| 842 | ThreadSP thread_sp (process_sp->GetThreadList().GetSelectedThread()); |
| 843 | if (thread_sp) |
| 844 | { |
| 845 | exe_ctx.SetThreadSP (thread_sp); |
| 846 | exe_ctx.SetFrameSP (thread_sp->GetSelectedFrame()); |
| 847 | if (exe_ctx.GetFramePtr() == NULL__null) |
| 848 | exe_ctx.SetFrameSP (thread_sp->GetStackFrameAtIndex (0)); |
| 849 | } |
| 850 | } |
| 851 | } |
| 852 | return exe_ctx; |
| 853 | } |
| 854 | |
| 855 | void |
| 856 | Debugger::DispatchInputInterrupt () |
| 857 | { |
| 858 | Mutex::Locker locker (m_input_reader_stack.GetMutex()); |
| 859 | IOHandlerSP reader_sp (m_input_reader_stack.Top()); |
| 860 | if (reader_sp) |
| 861 | reader_sp->Interrupt(); |
| 862 | } |
| 863 | |
| 864 | void |
| 865 | Debugger::DispatchInputEndOfFile () |
| 866 | { |
| 867 | Mutex::Locker locker (m_input_reader_stack.GetMutex()); |
| 868 | IOHandlerSP reader_sp (m_input_reader_stack.Top()); |
| 869 | if (reader_sp) |
| 870 | reader_sp->GotEOF(); |
| 871 | } |
| 872 | |
| 873 | void |
| 874 | Debugger::ClearIOHandlers () |
| 875 | { |
| 876 | // The bottom input reader should be the main debugger input reader. We do not want to close that one here. |
| 877 | Mutex::Locker locker (m_input_reader_stack.GetMutex()); |
| 878 | while (m_input_reader_stack.GetSize() > 1) |
| 879 | { |
| 880 | IOHandlerSP reader_sp (m_input_reader_stack.Top()); |
| 881 | if (reader_sp) |
| 882 | { |
| 883 | m_input_reader_stack.Pop(); |
| 884 | reader_sp->SetIsDone(true); |
| 885 | reader_sp->Cancel(); |
| 886 | } |
| 887 | } |
| 888 | } |
| 889 | |
| 890 | void |
| 891 | Debugger::ExecuteIOHanders() |
| 892 | { |
| 893 | |
| 894 | while (1) |
| 895 | { |
| 896 | IOHandlerSP reader_sp(m_input_reader_stack.Top()); |
| 897 | if (!reader_sp) |
| 898 | break; |
| 899 | |
| 900 | reader_sp->Activate(); |
| 901 | reader_sp->Run(); |
| 902 | reader_sp->Deactivate(); |
| 903 | |
| 904 | // Remove all input readers that are done from the top of the stack |
| 905 | while (1) |
| 906 | { |
| 907 | IOHandlerSP top_reader_sp = m_input_reader_stack.Top(); |
| 908 | if (top_reader_sp && top_reader_sp->GetIsDone()) |
| 909 | m_input_reader_stack.Pop(); |
| 910 | else |
| 911 | break; |
| 912 | } |
| 913 | } |
| 914 | ClearIOHandlers(); |
| 915 | } |
| 916 | |
| 917 | bool |
| 918 | Debugger::IsTopIOHandler (const lldb::IOHandlerSP& reader_sp) |
| 919 | { |
| 920 | return m_input_reader_stack.IsTop (reader_sp); |
| 921 | } |
| 922 | |
| 923 | |
| 924 | ConstString |
| 925 | Debugger::GetTopIOHandlerControlSequence(char ch) |
| 926 | { |
| 927 | return m_input_reader_stack.GetTopIOHandlerControlSequence (ch); |
| 928 | } |
| 929 | |
| 930 | const char * |
| 931 | Debugger::GetIOHandlerCommandPrefix() |
| 932 | { |
| 933 | return m_input_reader_stack.GetTopIOHandlerCommandPrefix(); |
| 934 | } |
| 935 | |
| 936 | const char * |
| 937 | Debugger::GetIOHandlerHelpPrologue() |
| 938 | { |
| 939 | return m_input_reader_stack.GetTopIOHandlerHelpPrologue(); |
| 940 | } |
| 941 | |
| 942 | void |
| 943 | Debugger::RunIOHandler (const IOHandlerSP& reader_sp) |
| 944 | { |
| 945 | PushIOHandler (reader_sp); |
| 946 | |
| 947 | IOHandlerSP top_reader_sp = reader_sp; |
| 948 | while (top_reader_sp) |
| 949 | { |
| 950 | top_reader_sp->Activate(); |
| 951 | top_reader_sp->Run(); |
| 952 | top_reader_sp->Deactivate(); |
| 953 | |
| 954 | if (top_reader_sp.get() == reader_sp.get()) |
| 955 | { |
| 956 | if (PopIOHandler (reader_sp)) |
| 957 | break; |
| 958 | } |
| 959 | |
| 960 | while (1) |
| 961 | { |
| 962 | top_reader_sp = m_input_reader_stack.Top(); |
| 963 | if (top_reader_sp && top_reader_sp->GetIsDone()) |
| 964 | m_input_reader_stack.Pop(); |
| 965 | else |
| 966 | break; |
| 967 | } |
| 968 | } |
| 969 | } |
| 970 | |
| 971 | void |
| 972 | Debugger::AdoptTopIOHandlerFilesIfInvalid (StreamFileSP &in, StreamFileSP &out, StreamFileSP &err) |
| 973 | { |
| 974 | // Before an IOHandler runs, it must have in/out/err streams. |
| 975 | // This function is called when one ore more of the streams |
| 976 | // are NULL. We use the top input reader's in/out/err streams, |
| 977 | // or fall back to the debugger file handles, or we fall back |
| 978 | // onto stdin/stdout/stderr as a last resort. |
| 979 | |
| 980 | Mutex::Locker locker (m_input_reader_stack.GetMutex()); |
| 981 | IOHandlerSP top_reader_sp (m_input_reader_stack.Top()); |
| 982 | // If no STDIN has been set, then set it appropriately |
| 983 | if (!in) |
| 984 | { |
| 985 | if (top_reader_sp) |
| 986 | in = top_reader_sp->GetInputStreamFile(); |
| 987 | else |
| 988 | in = GetInputFile(); |
| 989 | |
| 990 | // If there is nothing, use stdin |
| 991 | if (!in) |
| 992 | in = StreamFileSP(new StreamFile(stdinstdin, false)); |
| 993 | } |
| 994 | // If no STDOUT has been set, then set it appropriately |
| 995 | if (!out) |
| 996 | { |
| 997 | if (top_reader_sp) |
| 998 | out = top_reader_sp->GetOutputStreamFile(); |
| 999 | else |
| 1000 | out = GetOutputFile(); |
| 1001 | |
| 1002 | // If there is nothing, use stdout |
| 1003 | if (!out) |
| 1004 | out = StreamFileSP(new StreamFile(stdoutstdout, false)); |
| 1005 | } |
| 1006 | // If no STDERR has been set, then set it appropriately |
| 1007 | if (!err) |
| 1008 | { |
| 1009 | if (top_reader_sp) |
| 1010 | err = top_reader_sp->GetErrorStreamFile(); |
| 1011 | else |
| 1012 | err = GetErrorFile(); |
| 1013 | |
| 1014 | // If there is nothing, use stderr |
| 1015 | if (!err) |
| 1016 | err = StreamFileSP(new StreamFile(stdoutstdout, false)); |
| 1017 | |
| 1018 | } |
| 1019 | } |
| 1020 | |
| 1021 | void |
| 1022 | Debugger::PushIOHandler (const IOHandlerSP& reader_sp) |
| 1023 | { |
| 1024 | if (!reader_sp) |
| 1025 | return; |
| 1026 | |
| 1027 | // Got the current top input reader... |
| 1028 | IOHandlerSP top_reader_sp (m_input_reader_stack.Top()); |
| 1029 | |
| 1030 | // Don't push the same IO handler twice... |
| 1031 | if (reader_sp.get() != top_reader_sp.get()) |
| 1032 | { |
| 1033 | // Push our new input reader |
| 1034 | m_input_reader_stack.Push (reader_sp); |
| 1035 | |
| 1036 | // Interrupt the top input reader to it will exit its Run() function |
| 1037 | // and let this new input reader take over |
| 1038 | if (top_reader_sp) |
| 1039 | top_reader_sp->Deactivate(); |
| 1040 | } |
| 1041 | } |
| 1042 | |
| 1043 | bool |
| 1044 | Debugger::PopIOHandler (const IOHandlerSP& pop_reader_sp) |
| 1045 | { |
| 1046 | bool result = false; |
| 1047 | |
| 1048 | Mutex::Locker locker (m_input_reader_stack.GetMutex()); |
| 1049 | |
| 1050 | // The reader on the stop of the stack is done, so let the next |
| 1051 | // read on the stack refresh its prompt and if there is one... |
| 1052 | if (!m_input_reader_stack.IsEmpty()) |
| 1053 | { |
| 1054 | IOHandlerSP reader_sp(m_input_reader_stack.Top()); |
| 1055 | |
| 1056 | if (!pop_reader_sp || pop_reader_sp.get() == reader_sp.get()) |
| 1057 | { |
| 1058 | reader_sp->Deactivate(); |
| 1059 | reader_sp->Cancel(); |
| 1060 | m_input_reader_stack.Pop (); |
| 1061 | |
| 1062 | reader_sp = m_input_reader_stack.Top(); |
| 1063 | if (reader_sp) |
| 1064 | reader_sp->Activate(); |
| 1065 | |
| 1066 | result = true; |
| 1067 | } |
| 1068 | } |
| 1069 | return result; |
| 1070 | } |
| 1071 | |
| 1072 | bool |
| 1073 | Debugger::HideTopIOHandler() |
| 1074 | { |
| 1075 | Mutex::Locker locker; |
| 1076 | |
| 1077 | if (locker.TryLock(m_input_reader_stack.GetMutex())) |
| 1078 | { |
| 1079 | IOHandlerSP reader_sp(m_input_reader_stack.Top()); |
| 1080 | if (reader_sp) |
| 1081 | reader_sp->Hide(); |
| 1082 | return true; |
| 1083 | } |
| 1084 | return false; |
| 1085 | } |
| 1086 | |
| 1087 | void |
| 1088 | Debugger::RefreshTopIOHandler() |
| 1089 | { |
| 1090 | IOHandlerSP reader_sp(m_input_reader_stack.Top()); |
| 1091 | if (reader_sp) |
| 1092 | reader_sp->Refresh(); |
| 1093 | } |
| 1094 | |
| 1095 | |
| 1096 | StreamSP |
| 1097 | Debugger::GetAsyncOutputStream () |
| 1098 | { |
| 1099 | return StreamSP (new StreamAsynchronousIO (GetCommandInterpreter(), |
| 1100 | CommandInterpreter::eBroadcastBitAsynchronousOutputData)); |
| 1101 | } |
| 1102 | |
| 1103 | StreamSP |
| 1104 | Debugger::GetAsyncErrorStream () |
| 1105 | { |
| 1106 | return StreamSP (new StreamAsynchronousIO (GetCommandInterpreter(), |
| 1107 | CommandInterpreter::eBroadcastBitAsynchronousErrorData)); |
| 1108 | } |
| 1109 | |
| 1110 | size_t |
| 1111 | Debugger::GetNumDebuggers() |
| 1112 | { |
| 1113 | if (g_shared_debugger_refcount > 0) |
| 1114 | { |
| 1115 | Mutex::Locker locker (GetDebuggerListMutex ()); |
| 1116 | return GetDebuggerList().size(); |
| 1117 | } |
| 1118 | return 0; |
| 1119 | } |
| 1120 | |
| 1121 | lldb::DebuggerSP |
| 1122 | Debugger::GetDebuggerAtIndex (size_t index) |
| 1123 | { |
| 1124 | DebuggerSP debugger_sp; |
| 1125 | |
| 1126 | if (g_shared_debugger_refcount > 0) |
| 1127 | { |
| 1128 | Mutex::Locker locker (GetDebuggerListMutex ()); |
| 1129 | DebuggerList &debugger_list = GetDebuggerList(); |
| 1130 | |
| 1131 | if (index < debugger_list.size()) |
| 1132 | debugger_sp = debugger_list[index]; |
| 1133 | } |
| 1134 | |
| 1135 | return debugger_sp; |
| 1136 | } |
| 1137 | |
| 1138 | DebuggerSP |
| 1139 | Debugger::FindDebuggerWithID (lldb::user_id_t id) |
| 1140 | { |
| 1141 | DebuggerSP debugger_sp; |
| 1142 | |
| 1143 | if (g_shared_debugger_refcount > 0) |
| 1144 | { |
| 1145 | Mutex::Locker locker (GetDebuggerListMutex ()); |
| 1146 | DebuggerList &debugger_list = GetDebuggerList(); |
| 1147 | DebuggerList::iterator pos, end = debugger_list.end(); |
| 1148 | for (pos = debugger_list.begin(); pos != end; ++pos) |
| 1149 | { |
| 1150 | if ((*pos).get()->GetID() == id) |
| 1151 | { |
| 1152 | debugger_sp = *pos; |
| 1153 | break; |
| 1154 | } |
| 1155 | } |
| 1156 | } |
| 1157 | return debugger_sp; |
| 1158 | } |
| 1159 | |
| 1160 | #if 0 |
| 1161 | static void |
| 1162 | TestPromptFormats (StackFrame *frame) |
| 1163 | { |
| 1164 | if (frame == NULL__null) |
| 1165 | return; |
| 1166 | |
| 1167 | StreamString s; |
| 1168 | const char *prompt_format = |
| 1169 | "{addr = '${addr}'\n}" |
| 1170 | "{addr-file-or-load = '${addr-file-or-load}'\n}" |
| 1171 | "{current-pc-arrow = '${current-pc-arrow}'\n}" |
| 1172 | "{process.id = '${process.id}'\n}" |
| 1173 | "{process.name = '${process.name}'\n}" |
| 1174 | "{process.file.basename = '${process.file.basename}'\n}" |
| 1175 | "{process.file.fullpath = '${process.file.fullpath}'\n}" |
| 1176 | "{thread.id = '${thread.id}'\n}" |
| 1177 | "{thread.index = '${thread.index}'\n}" |
| 1178 | "{thread.name = '${thread.name}'\n}" |
| 1179 | "{thread.queue = '${thread.queue}'\n}" |
| 1180 | "{thread.stop-reason = '${thread.stop-reason}'\n}" |
| 1181 | "{target.arch = '${target.arch}'\n}" |
| 1182 | "{module.file.basename = '${module.file.basename}'\n}" |
| 1183 | "{module.file.fullpath = '${module.file.fullpath}'\n}" |
| 1184 | "{file.basename = '${file.basename}'\n}" |
| 1185 | "{file.fullpath = '${file.fullpath}'\n}" |
| 1186 | "{frame.index = '${frame.index}'\n}" |
| 1187 | "{frame.pc = '${frame.pc}'\n}" |
| 1188 | "{frame.sp = '${frame.sp}'\n}" |
| 1189 | "{frame.fp = '${frame.fp}'\n}" |
| 1190 | "{frame.flags = '${frame.flags}'\n}" |
| 1191 | "{frame.reg.rdi = '${frame.reg.rdi}'\n}" |
| 1192 | "{frame.reg.rip = '${frame.reg.rip}'\n}" |
| 1193 | "{frame.reg.rsp = '${frame.reg.rsp}'\n}" |
| 1194 | "{frame.reg.rbp = '${frame.reg.rbp}'\n}" |
| 1195 | "{frame.reg.rflags = '${frame.reg.rflags}'\n}" |
| 1196 | "{frame.reg.xmm0 = '${frame.reg.xmm0}'\n}" |
| 1197 | "{frame.reg.carp = '${frame.reg.carp}'\n}" |
| 1198 | "{function.id = '${function.id}'\n}" |
| 1199 | "{function.changed = '${function.changed}'\n}" |
| 1200 | "{function.initial-function = '${function.initial-function}'\n}" |
| 1201 | "{function.name = '${function.name}'\n}" |
| 1202 | "{function.name-without-args = '${function.name-without-args}'\n}" |
| 1203 | "{function.name-with-args = '${function.name-with-args}'\n}" |
| 1204 | "{function.addr-offset = '${function.addr-offset}'\n}" |
| 1205 | "{function.concrete-only-addr-offset-no-padding = '${function.concrete-only-addr-offset-no-padding}'\n}" |
| 1206 | "{function.line-offset = '${function.line-offset}'\n}" |
| 1207 | "{function.pc-offset = '${function.pc-offset}'\n}" |
| 1208 | "{line.file.basename = '${line.file.basename}'\n}" |
| 1209 | "{line.file.fullpath = '${line.file.fullpath}'\n}" |
| 1210 | "{line.number = '${line.number}'\n}" |
| 1211 | "{line.start-addr = '${line.start-addr}'\n}" |
| 1212 | "{line.end-addr = '${line.end-addr}'\n}" |
| 1213 | ; |
| 1214 | |
| 1215 | SymbolContext sc (frame->GetSymbolContext(eSymbolContextEverything)); |
| 1216 | ExecutionContext exe_ctx; |
| 1217 | frame->CalculateExecutionContext(exe_ctx); |
| 1218 | if (Debugger::FormatPrompt (prompt_format, &sc, &exe_ctx, &sc.line_entry.range.GetBaseAddress(), s)) |
| 1219 | { |
| 1220 | printf("%s\n", s.GetData()); |
| 1221 | } |
| 1222 | else |
| 1223 | { |
| 1224 | printf ("what we got: %s\n", s.GetData()); |
| 1225 | } |
| 1226 | } |
| 1227 | #endif |
| 1228 | |
| 1229 | static bool |
| 1230 | ScanFormatDescriptor (const char* var_name_begin, |
| 1231 | const char* var_name_end, |
| 1232 | const char** var_name_final, |
| 1233 | const char** percent_position, |
| 1234 | Format* custom_format, |
| 1235 | ValueObject::ValueObjectRepresentationStyle* val_obj_display) |
| 1236 | { |
| 1237 | Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_TYPES(1u << 19))); |
| 1238 | *percent_position = ::strchr(var_name_begin,'%'); |
| 1239 | if (!*percent_position || *percent_position > var_name_end) |
| 1240 | { |
| 1241 | if (log) |
| 1242 | log->Printf("[ScanFormatDescriptor] no format descriptor in string, skipping"); |
| 1243 | *var_name_final = var_name_end; |
| 1244 | } |
| 1245 | else |
| 1246 | { |
| 1247 | *var_name_final = *percent_position; |
| 1248 | std::string format_name(*var_name_final+1, var_name_end-*var_name_final-1); |
| 1249 | if (log) |
| 1250 | log->Printf("[ScanFormatDescriptor] parsing %s as a format descriptor", format_name.c_str()); |
| 1251 | if ( !FormatManager::GetFormatFromCString(format_name.c_str(), |
| 1252 | true, |
| 1253 | *custom_format) ) |
| 1254 | { |
| 1255 | if (log) |
| 1256 | log->Printf("[ScanFormatDescriptor] %s is an unknown format", format_name.c_str()); |
| 1257 | |
| 1258 | switch (format_name.front()) |
| 1259 | { |
| 1260 | case '@': // if this is an @ sign, print ObjC description |
| 1261 | *val_obj_display = ValueObject::eValueObjectRepresentationStyleLanguageSpecific; |
| 1262 | break; |
| 1263 | case 'V': // if this is a V, print the value using the default format |
| 1264 | *val_obj_display = ValueObject::eValueObjectRepresentationStyleValue; |
| 1265 | break; |
| 1266 | case 'L': // if this is an L, print the location of the value |
| 1267 | *val_obj_display = ValueObject::eValueObjectRepresentationStyleLocation; |
| 1268 | break; |
| 1269 | case 'S': // if this is an S, print the summary after all |
| 1270 | *val_obj_display = ValueObject::eValueObjectRepresentationStyleSummary; |
| 1271 | break; |
| 1272 | case '#': // if this is a '#', print the number of children |
| 1273 | *val_obj_display = ValueObject::eValueObjectRepresentationStyleChildrenCount; |
| 1274 | break; |
| 1275 | case 'T': // if this is a 'T', print the type |
| 1276 | *val_obj_display = ValueObject::eValueObjectRepresentationStyleType; |
| 1277 | break; |
| 1278 | case 'N': // if this is a 'N', print the name |
| 1279 | *val_obj_display = ValueObject::eValueObjectRepresentationStyleName; |
| 1280 | break; |
| 1281 | case '>': // if this is a '>', print the name |
| 1282 | *val_obj_display = ValueObject::eValueObjectRepresentationStyleExpressionPath; |
| 1283 | break; |
| 1284 | default: |
| 1285 | if (log) |
| 1286 | log->Printf("ScanFormatDescriptor] %s is an error, leaving the previous value alone", format_name.c_str()); |
| 1287 | break; |
| 1288 | } |
| 1289 | } |
| 1290 | // a good custom format tells us to print the value using it |
| 1291 | else |
| 1292 | { |
| 1293 | if (log) |
| 1294 | log->Printf("[ScanFormatDescriptor] will display value for this VO"); |
| 1295 | *val_obj_display = ValueObject::eValueObjectRepresentationStyleValue; |
| 1296 | } |
| 1297 | } |
| 1298 | if (log) |
| 1299 | log->Printf("[ScanFormatDescriptor] final format description outcome: custom_format = %d, val_obj_display = %d", |
| 1300 | *custom_format, |
| 1301 | *val_obj_display); |
| 1302 | return true; |
| 1303 | } |
| 1304 | |
| 1305 | static bool |
| 1306 | ScanBracketedRange (const char* var_name_begin, |
| 1307 | const char* var_name_end, |
| 1308 | const char* var_name_final, |
| 1309 | const char** open_bracket_position, |
| 1310 | const char** separator_position, |
| 1311 | const char** close_bracket_position, |
| 1312 | const char** var_name_final_if_array_range, |
| 1313 | int64_t* index_lower, |
| 1314 | int64_t* index_higher) |
| 1315 | { |
| 1316 | Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_TYPES(1u << 19))); |
| 1317 | *open_bracket_position = ::strchr(var_name_begin,'['); |
| 1318 | if (*open_bracket_position && *open_bracket_position < var_name_final) |
| 1319 | { |
| 1320 | *separator_position = ::strchr(*open_bracket_position,'-'); // might be NULL if this is a simple var[N] bitfield |
| 1321 | *close_bracket_position = ::strchr(*open_bracket_position,']'); |
| 1322 | // as usual, we assume that [] will come before % |
| 1323 | //printf("trying to expand a []\n"); |
| 1324 | *var_name_final_if_array_range = *open_bracket_position; |
| 1325 | if (*close_bracket_position - *open_bracket_position == 1) |
| 1326 | { |
| 1327 | if (log) |
| 1328 | log->Printf("[ScanBracketedRange] '[]' detected.. going from 0 to end of data"); |
| 1329 | *index_lower = 0; |
| 1330 | } |
| 1331 | else if (*separator_position == NULL__null || *separator_position > var_name_end) |
| 1332 | { |
| 1333 | char *end = NULL__null; |
| 1334 | *index_lower = ::strtoul (*open_bracket_position+1, &end, 0); |
| 1335 | *index_higher = *index_lower; |
| 1336 | if (log) |
| 1337 | log->Printf("[ScanBracketedRange] [%" PRId64"l" "d" "] detected, high index is same", *index_lower); |
| 1338 | } |
| 1339 | else if (*close_bracket_position && *close_bracket_position < var_name_end) |
| 1340 | { |
| 1341 | char *end = NULL__null; |
| 1342 | *index_lower = ::strtoul (*open_bracket_position+1, &end, 0); |
| 1343 | *index_higher = ::strtoul (*separator_position+1, &end, 0); |
| 1344 | if (log) |
| 1345 | log->Printf("[ScanBracketedRange] [%" PRId64"l" "d" "-%" PRId64"l" "d" "] detected", *index_lower, *index_higher); |
| 1346 | } |
| 1347 | else |
| 1348 | { |
| 1349 | if (log) |
| 1350 | log->Printf("[ScanBracketedRange] expression is erroneous, cannot extract indices out of it"); |
| 1351 | return false; |
| 1352 | } |
| 1353 | if (*index_lower > *index_higher && *index_higher > 0) |
| 1354 | { |
| 1355 | if (log) |
| 1356 | log->Printf("[ScanBracketedRange] swapping indices"); |
| 1357 | int64_t temp = *index_lower; |
| 1358 | *index_lower = *index_higher; |
| 1359 | *index_higher = temp; |
| 1360 | } |
| 1361 | } |
| 1362 | else if (log) |
| 1363 | log->Printf("[ScanBracketedRange] no bracketed range, skipping entirely"); |
| 1364 | return true; |
| 1365 | } |
| 1366 | |
| 1367 | template <typename T> |
| 1368 | static bool RunScriptFormatKeyword(Stream &s, ScriptInterpreter *script_interpreter, T t, const std::string& script_name) |
| 1369 | { |
| 1370 | if (script_interpreter) |
| 1371 | { |
| 1372 | Error script_error; |
| 1373 | std::string script_output; |
| 1374 | |
| 1375 | if (script_interpreter->RunScriptFormatKeyword(script_name.c_str(), t, script_output, script_error) && script_error.Success()) |
| 1376 | { |
| 1377 | s.Printf("%s", script_output.c_str()); |
| 1378 | return true; |
| 1379 | } |
| 1380 | else |
| 1381 | { |
| 1382 | s.Printf("<error: %s>",script_error.AsCString()); |
| 1383 | } |
| 1384 | } |
| 1385 | return false; |
| 1386 | } |
| 1387 | |
| 1388 | static ValueObjectSP |
| 1389 | ExpandIndexedExpression (ValueObject* valobj, |
| 1390 | size_t index, |
| 1391 | StackFrame* frame, |
| 1392 | bool deref_pointer) |
| 1393 | { |
| 1394 | Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_TYPES(1u << 19))); |
| 1395 | const char* ptr_deref_format = "[%d]"; |
| 1396 | std::string ptr_deref_buffer(10,0); |
| 1397 | ::sprintf(&ptr_deref_buffer[0], ptr_deref_format, index); |
| 1398 | if (log) |
| 1399 | log->Printf("[ExpandIndexedExpression] name to deref: %s",ptr_deref_buffer.c_str()); |
| 1400 | const char* first_unparsed; |
| 1401 | ValueObject::GetValueForExpressionPathOptions options; |
| 1402 | ValueObject::ExpressionPathEndResultType final_value_type; |
| 1403 | ValueObject::ExpressionPathScanEndReason reason_to_stop; |
| 1404 | ValueObject::ExpressionPathAftermath what_next = (deref_pointer ? ValueObject::eExpressionPathAftermathDereference : ValueObject::eExpressionPathAftermathNothing); |
| 1405 | ValueObjectSP item = valobj->GetValueForExpressionPath (ptr_deref_buffer.c_str(), |
| 1406 | &first_unparsed, |
| 1407 | &reason_to_stop, |
| 1408 | &final_value_type, |
| 1409 | options, |
| 1410 | &what_next); |
| 1411 | if (!item) |
| 1412 | { |
| 1413 | if (log) |
| 1414 | log->Printf("[ExpandIndexedExpression] ERROR: unparsed portion = %s, why stopping = %d," |
| 1415 | " final_value_type %d", |
| 1416 | first_unparsed, reason_to_stop, final_value_type); |
| 1417 | } |
| 1418 | else |
| 1419 | { |
| 1420 | if (log) |
| 1421 | log->Printf("[ExpandIndexedExpression] ALL RIGHT: unparsed portion = %s, why stopping = %d," |
| 1422 | " final_value_type %d", |
| 1423 | first_unparsed, reason_to_stop, final_value_type); |
| 1424 | } |
| 1425 | return item; |
| 1426 | } |
| 1427 | |
| 1428 | static inline bool |
| 1429 | IsToken(const char *var_name_begin, const char *var) |
| 1430 | { |
| 1431 | return (::strncmp (var_name_begin, var, strlen(var)) == 0); |
| 1432 | } |
| 1433 | |
| 1434 | static bool |
| 1435 | IsTokenWithFormat(const char *var_name_begin, const char *var, std::string &format, const char *default_format, |
| 1436 | const ExecutionContext *exe_ctx_ptr, const SymbolContext *sc_ptr) |
| 1437 | { |
| 1438 | int var_len = strlen(var); |
| 1439 | if (::strncmp (var_name_begin, var, var_len) == 0) |
| 1440 | { |
| 1441 | var_name_begin += var_len; |
| 1442 | if (*var_name_begin == '}') |
| 1443 | { |
| 1444 | format = default_format; |
| 1445 | return true; |
| 1446 | } |
| 1447 | else if (*var_name_begin == '%') |
| 1448 | { |
| 1449 | // Allow format specifiers: x|X|u with optional width specifiers. |
| 1450 | // ${thread.id%x} ; hex |
| 1451 | // ${thread.id%X} ; uppercase hex |
| 1452 | // ${thread.id%u} ; unsigned decimal |
| 1453 | // ${thread.id%8.8X} ; width.precision + specifier |
| 1454 | // ${thread.id%tid} ; unsigned on FreeBSD/Linux, otherwise default_format (0x%4.4x for thread.id) |
| 1455 | int dot_count = 0; |
| 1456 | const char *specifier = NULL__null; |
| 1457 | int width_precision_length = 0; |
| 1458 | const char *width_precision = ++var_name_begin; |
| 1459 | while (isdigit(*var_name_begin) || *var_name_begin == '.') |
| 1460 | { |
| 1461 | dot_count += (*var_name_begin == '.'); |
| 1462 | if (dot_count > 1) |
| 1463 | break; |
| 1464 | var_name_begin++; |
| 1465 | width_precision_length++; |
| 1466 | } |
| 1467 | |
| 1468 | if (IsToken (var_name_begin, "tid}")) |
| 1469 | { |
| 1470 | Target *target = Target::GetTargetFromContexts (exe_ctx_ptr, sc_ptr); |
| 1471 | if (target) |
| 1472 | { |
| 1473 | ArchSpec arch (target->GetArchitecture ()); |
| 1474 | llvm::Triple::OSType ostype = arch.IsValid() ? arch.GetTriple().getOS() : llvm::Triple::UnknownOS; |
| 1475 | if ((ostype == llvm::Triple::FreeBSD) || (ostype == llvm::Triple::Linux)) |
| 1476 | specifier = PRIu64"l" "u"; |
| 1477 | } |
| 1478 | if (!specifier) |
| 1479 | { |
| 1480 | format = default_format; |
| 1481 | return true; |
| 1482 | } |
| 1483 | } |
| 1484 | else if (IsToken (var_name_begin, "x}")) |
| 1485 | specifier = PRIx64"l" "x"; |
| 1486 | else if (IsToken (var_name_begin, "X}")) |
| 1487 | specifier = PRIX64"l" "X"; |
| 1488 | else if (IsToken (var_name_begin, "u}")) |
| 1489 | specifier = PRIu64"l" "u"; |
| 1490 | |
| 1491 | if (specifier) |
| 1492 | { |
| 1493 | format = "%"; |
| 1494 | if (width_precision_length) |
| 1495 | format += std::string(width_precision, width_precision_length); |
| 1496 | format += specifier; |
| 1497 | return true; |
| 1498 | } |
| 1499 | } |
| 1500 | } |
| 1501 | return false; |
| 1502 | } |
| 1503 | |
| 1504 | // Find information for the "thread.info.*" specifiers in a format string |
| 1505 | static bool |
| 1506 | FormatThreadExtendedInfoRecurse |
| 1507 | ( |
| 1508 | const char *var_name_begin, |
| 1509 | StructuredData::ObjectSP thread_info_dictionary, |
| 1510 | const SymbolContext *sc, |
| 1511 | const ExecutionContext *exe_ctx, |
| 1512 | Stream &s |
| 1513 | ) |
| 1514 | { |
| 1515 | bool var_success = false; |
| 1516 | std::string token_format; |
| 1517 | |
| 1518 | llvm::StringRef var_name(var_name_begin); |
| 1519 | size_t percent_idx = var_name.find('%'); |
| 1520 | size_t close_curly_idx = var_name.find('}'); |
| 1521 | llvm::StringRef path = var_name; |
| 1522 | llvm::StringRef formatter = var_name; |
| 1523 | |
| 1524 | // 'path' will be the dot separated list of objects to transverse up until we hit |
| 1525 | // a close curly brace, a percent sign, or an end of string. |
| 1526 | if (percent_idx != llvm::StringRef::npos || close_curly_idx != llvm::StringRef::npos) |
| 1527 | { |
| 1528 | if (percent_idx != llvm::StringRef::npos && close_curly_idx != llvm::StringRef::npos) |
| 1529 | { |
| 1530 | if (percent_idx < close_curly_idx) |
| 1531 | { |
| 1532 | path = var_name.slice(0, percent_idx); |
| 1533 | formatter = var_name.substr (percent_idx); |
| 1534 | } |
| 1535 | else |
| 1536 | { |
| 1537 | path = var_name.slice(0, close_curly_idx); |
| 1538 | formatter = var_name.substr (close_curly_idx); |
| 1539 | } |
| 1540 | } |
| 1541 | else if (percent_idx != llvm::StringRef::npos) |
| 1542 | { |
| 1543 | path = var_name.slice(0, percent_idx); |
| 1544 | formatter = var_name.substr (percent_idx); |
| 1545 | } |
| 1546 | else if (close_curly_idx != llvm::StringRef::npos) |
| 1547 | { |
| 1548 | path = var_name.slice(0, close_curly_idx); |
| 1549 | formatter = var_name.substr (close_curly_idx); |
| 1550 | } |
| 1551 | } |
| 1552 | |
| 1553 | StructuredData::ObjectSP value = thread_info_dictionary->GetObjectForDotSeparatedPath (path); |
| 1554 | |
| 1555 | if (value.get()) |
| 1556 | { |
| 1557 | if (value->GetType() == StructuredData::Type::eTypeInteger) |
| 1558 | { |
| 1559 | if (IsTokenWithFormat (formatter.str().c_str(), "", token_format, "0x%4.4" PRIx64"l" "x", exe_ctx, sc)) |
| 1560 | { |
| 1561 | s.Printf(token_format.c_str(), value->GetAsInteger()->GetValue()); |
| 1562 | var_success = true; |
| 1563 | } |
| 1564 | } |
| 1565 | else if (value->GetType() == StructuredData::Type::eTypeFloat) |
| 1566 | { |
| 1567 | s.Printf ("%f", value->GetAsFloat()->GetValue()); |
| 1568 | var_success = true; |
| 1569 | } |
| 1570 | else if (value->GetType() == StructuredData::Type::eTypeString) |
| 1571 | { |
| 1572 | s.Printf("%s", value->GetAsString()->GetValue().c_str()); |
| 1573 | var_success = true; |
| 1574 | } |
| 1575 | else if (value->GetType() == StructuredData::Type::eTypeArray) |
| 1576 | { |
| 1577 | if (value->GetAsArray()->GetSize() > 0) |
| 1578 | { |
| 1579 | s.Printf ("%zu", value->GetAsArray()->GetSize()); |
| 1580 | var_success = true; |
| 1581 | } |
| 1582 | } |
| 1583 | else if (value->GetType() == StructuredData::Type::eTypeDictionary) |
| 1584 | { |
| 1585 | s.Printf ("%zu", value->GetAsDictionary()->GetKeys()->GetAsArray()->GetSize()); |
| 1586 | var_success = true; |
| 1587 | } |
| 1588 | } |
| 1589 | |
| 1590 | return var_success; |
| 1591 | } |
| 1592 | |
| 1593 | |
| 1594 | static bool |
| 1595 | FormatPromptRecurse |
| 1596 | ( |
| 1597 | const char *format, |
| 1598 | const SymbolContext *sc, |
| 1599 | const ExecutionContext *exe_ctx, |
| 1600 | const Address *addr, |
| 1601 | Stream &s, |
| 1602 | const char **end, |
| 1603 | ValueObject* valobj, |
| 1604 | bool function_changed, |
| 1605 | bool initial_function |
| 1606 | ) |
| 1607 | { |
| 1608 | ValueObject* realvalobj = NULL__null; // makes it super-easy to parse pointers |
| 1609 | bool success = true; |
| 1610 | const char *p; |
| 1611 | Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_TYPES(1u << 19))); |
| 1612 | |
| 1613 | for (p = format; *p != '\0'; ++p) |
| 1614 | { |
| 1615 | if (realvalobj) |
| 1616 | { |
| 1617 | valobj = realvalobj; |
| 1618 | realvalobj = NULL__null; |
| 1619 | } |
| 1620 | size_t non_special_chars = ::strcspn (p, "${}\\"); |
| 1621 | if (non_special_chars > 0) |
| 1622 | { |
| 1623 | if (success) |
| 1624 | s.Write (p, non_special_chars); |
| 1625 | p += non_special_chars; |
| 1626 | } |
| 1627 | |
| 1628 | if (*p == '\0') |
| 1629 | { |
| 1630 | break; |
| 1631 | } |
| 1632 | else if (*p == '{') |
| 1633 | { |
| 1634 | // Start a new scope that must have everything it needs if it is to |
| 1635 | // to make it into the final output stream "s". If you want to make |
| 1636 | // a format that only prints out the function or symbol name if there |
| 1637 | // is one in the symbol context you can use: |
| 1638 | // "{function =${function.name}}" |
| 1639 | // The first '{' starts a new scope that end with the matching '}' at |
| 1640 | // the end of the string. The contents "function =${function.name}" |
| 1641 | // will then be evaluated and only be output if there is a function |
| 1642 | // or symbol with a valid name. |
| 1643 | StreamString sub_strm; |
| 1644 | |
| 1645 | ++p; // Skip the '{' |
| 1646 | |
| 1647 | if (FormatPromptRecurse (p, sc, exe_ctx, addr, sub_strm, &p, valobj, function_changed, initial_function)) |
| 1648 | { |
| 1649 | // The stream had all it needed |
| 1650 | s.Write(sub_strm.GetData(), sub_strm.GetSize()); |
| 1651 | } |
| 1652 | if (*p != '}') |
| 1653 | { |
| 1654 | success = false; |
| 1655 | break; |
| 1656 | } |
| 1657 | } |
| 1658 | else if (*p == '}') |
| 1659 | { |
| 1660 | // End of a enclosing scope |
| 1661 | break; |
| 1662 | } |
| 1663 | else if (*p == '$') |
| 1664 | { |
| 1665 | // We have a prompt variable to print |
| 1666 | ++p; |
| 1667 | if (*p == '{') |
| 1668 | { |
| 1669 | ++p; |
| 1670 | const char *var_name_begin = p; |
| 1671 | const char *var_name_end = ::strchr (p, '}'); |
| 1672 | |
| 1673 | if (var_name_end && var_name_begin < var_name_end) |
| 1674 | { |
| 1675 | // if we have already failed to parse, skip this variable |
| 1676 | if (success) |
| 1677 | { |
| 1678 | const char *cstr = NULL__null; |
| 1679 | std::string token_format; |
| 1680 | Address format_addr; |
| 1681 | |
| 1682 | // normally "addr" means print a raw address but |
| 1683 | // "file-addr-or-load-addr" means print a module + file addr if there's no load addr |
| 1684 | bool print_file_addr_or_load_addr = false; |
| 1685 | bool addr_offset_concrete_func_only = false; |
| 1686 | bool addr_offset_print_with_no_padding = false; |
| 1687 | bool calculate_format_addr_function_offset = false; |
| 1688 | // Set reg_kind and reg_num to invalid values |
| 1689 | RegisterKind reg_kind = kNumRegisterKinds; |
| 1690 | uint32_t reg_num = LLDB_INVALID_REGNUM(4294967295U); |
| 1691 | FileSpec format_file_spec; |
| 1692 | const RegisterInfo *reg_info = NULL__null; |
| 1693 | RegisterContext *reg_ctx = NULL__null; |
| 1694 | bool do_deref_pointer = false; |
| 1695 | ValueObject::ExpressionPathScanEndReason reason_to_stop = ValueObject::eExpressionPathScanEndReasonEndOfString; |
| 1696 | ValueObject::ExpressionPathEndResultType final_value_type = ValueObject::eExpressionPathEndResultTypePlain; |
| 1697 | |
| 1698 | // Each variable must set success to true below... |
| 1699 | bool var_success = false; |
| 1700 | switch (var_name_begin[0]) |
| 1701 | { |
| 1702 | case '*': |
| 1703 | case 'v': |
| 1704 | case 's': |
| 1705 | { |
| 1706 | if (!valobj) |
| 1707 | break; |
| 1708 | |
| 1709 | if (log) |
| 1710 | log->Printf("[Debugger::FormatPrompt] initial string: %s",var_name_begin); |
| 1711 | |
| 1712 | // check for *var and *svar |
| 1713 | if (*var_name_begin == '*') |
| 1714 | { |
| 1715 | do_deref_pointer = true; |
| 1716 | var_name_begin++; |
| 1717 | if (log) |
| 1718 | log->Printf("[Debugger::FormatPrompt] found a deref, new string is: %s",var_name_begin); |
| 1719 | } |
| 1720 | |
| 1721 | if (*var_name_begin == 's') |
| 1722 | { |
| 1723 | if (!valobj->IsSynthetic()) |
| 1724 | valobj = valobj->GetSyntheticValue().get(); |
| 1725 | if (!valobj) |
| 1726 | break; |
| 1727 | var_name_begin++; |
| 1728 | if (log) |
| 1729 | log->Printf("[Debugger::FormatPrompt] found a synthetic, new string is: %s",var_name_begin); |
| 1730 | } |
| 1731 | |
| 1732 | // should be a 'v' by now |
| 1733 | if (*var_name_begin != 'v') |
| 1734 | break; |
| 1735 | |
| 1736 | if (log) |
| 1737 | log->Printf("[Debugger::FormatPrompt] string I am working with: %s",var_name_begin); |
| 1738 | |
| 1739 | ValueObject::ExpressionPathAftermath what_next = (do_deref_pointer ? |
| 1740 | ValueObject::eExpressionPathAftermathDereference : ValueObject::eExpressionPathAftermathNothing); |
| 1741 | ValueObject::GetValueForExpressionPathOptions options; |
| 1742 | options.DontCheckDotVsArrowSyntax().DoAllowBitfieldSyntax().DoAllowFragileIVar().DoAllowSyntheticChildren(); |
| 1743 | ValueObject::ValueObjectRepresentationStyle val_obj_display = ValueObject::eValueObjectRepresentationStyleSummary; |
| 1744 | ValueObject* target = NULL__null; |
| 1745 | Format custom_format = eFormatInvalid; |
| 1746 | const char* var_name_final = NULL__null; |
| 1747 | const char* var_name_final_if_array_range = NULL__null; |
| 1748 | const char* close_bracket_position = NULL__null; |
| 1749 | int64_t index_lower = -1; |
| 1750 | int64_t index_higher = -1; |
| 1751 | bool is_array_range = false; |
| 1752 | const char* first_unparsed; |
| 1753 | bool was_plain_var = false; |
| 1754 | bool was_var_format = false; |
| 1755 | bool was_var_indexed = false; |
| 1756 | |
| 1757 | if (!valobj) break; |
| 1758 | // simplest case ${var}, just print valobj's value |
| 1759 | if (IsToken (var_name_begin, "var}")) |
| 1760 | { |
| 1761 | was_plain_var = true; |
| 1762 | target = valobj; |
| 1763 | val_obj_display = ValueObject::eValueObjectRepresentationStyleValue; |
| 1764 | } |
| 1765 | else if (IsToken (var_name_begin, "var.script:")) |
| 1766 | { |
| 1767 | var_name_begin += ::strlen("var.script:"); |
| 1768 | std::string script_name(var_name_begin,var_name_end); |
| 1769 | ScriptInterpreter* script_interpreter = valobj->GetTargetSP()->GetDebugger().GetCommandInterpreter().GetScriptInterpreter(); |
| 1770 | if (RunScriptFormatKeyword (s, script_interpreter, valobj, script_name)) |
| 1771 | var_success = true; |
| 1772 | break; |
| 1773 | } |
| 1774 | else if (IsToken (var_name_begin,"var%")) |
| 1775 | { |
| 1776 | was_var_format = true; |
| 1777 | // this is a variable with some custom format applied to it |
| 1778 | const char* percent_position; |
| 1779 | target = valobj; |
| 1780 | val_obj_display = ValueObject::eValueObjectRepresentationStyleValue; |
| 1781 | ScanFormatDescriptor (var_name_begin, |
| 1782 | var_name_end, |
| 1783 | &var_name_final, |
| 1784 | &percent_position, |
| 1785 | &custom_format, |
| 1786 | &val_obj_display); |
| 1787 | } |
| 1788 | // this is ${var.something} or multiple .something nested |
| 1789 | else if (IsToken (var_name_begin, "var")) |
| 1790 | { |
| 1791 | if (IsToken (var_name_begin, "var[")) |
| 1792 | was_var_indexed = true; |
| 1793 | const char* percent_position; |
| 1794 | ScanFormatDescriptor (var_name_begin, |
| 1795 | var_name_end, |
| 1796 | &var_name_final, |
| 1797 | &percent_position, |
| 1798 | &custom_format, |
| 1799 | &val_obj_display); |
| 1800 | |
| 1801 | const char* open_bracket_position; |
| 1802 | const char* separator_position; |
| 1803 | ScanBracketedRange (var_name_begin, |
| 1804 | var_name_end, |
| 1805 | var_name_final, |
| 1806 | &open_bracket_position, |
| 1807 | &separator_position, |
| 1808 | &close_bracket_position, |
| 1809 | &var_name_final_if_array_range, |
| 1810 | &index_lower, |
| 1811 | &index_higher); |
| 1812 | |
| 1813 | Error error; |
| 1814 | |
| 1815 | std::string expr_path(var_name_final-var_name_begin-1,0); |
| 1816 | memcpy(&expr_path[0], var_name_begin+3,var_name_final-var_name_begin-3); |
| 1817 | |
| 1818 | if (log) |
| 1819 | log->Printf("[Debugger::FormatPrompt] symbol to expand: %s",expr_path.c_str()); |
| 1820 | |
| 1821 | target = valobj->GetValueForExpressionPath(expr_path.c_str(), |
| 1822 | &first_unparsed, |
| 1823 | &reason_to_stop, |
| 1824 | &final_value_type, |
| 1825 | options, |
| 1826 | &what_next).get(); |
| 1827 | |
| 1828 | if (!target) |
| 1829 | { |
| 1830 | if (log) |
| 1831 | log->Printf("[Debugger::FormatPrompt] ERROR: unparsed portion = %s, why stopping = %d," |
| 1832 | " final_value_type %d", |
| 1833 | first_unparsed, reason_to_stop, final_value_type); |
| 1834 | break; |
| 1835 | } |
| 1836 | else |
| 1837 | { |
| 1838 | if (log) |
| 1839 | log->Printf("[Debugger::FormatPrompt] ALL RIGHT: unparsed portion = %s, why stopping = %d," |
| 1840 | " final_value_type %d", |
| 1841 | first_unparsed, reason_to_stop, final_value_type); |
| 1842 | target = target->GetQualifiedRepresentationIfAvailable(target->GetDynamicValueType(), true).get(); |
| 1843 | } |
| 1844 | } |
| 1845 | else |
| 1846 | break; |
| 1847 | |
| 1848 | is_array_range = (final_value_type == ValueObject::eExpressionPathEndResultTypeBoundedRange || |
| 1849 | final_value_type == ValueObject::eExpressionPathEndResultTypeUnboundedRange); |
| 1850 | |
| 1851 | do_deref_pointer = (what_next == ValueObject::eExpressionPathAftermathDereference); |
| 1852 | |
| 1853 | if (do_deref_pointer && !is_array_range) |
| 1854 | { |
| 1855 | // I have not deref-ed yet, let's do it |
| 1856 | // this happens when we are not going through GetValueForVariableExpressionPath |
| 1857 | // to get to the target ValueObject |
| 1858 | Error error; |
| 1859 | target = target->Dereference(error).get(); |
| 1860 | if (error.Fail()) |
| 1861 | { |
| 1862 | if (log) |
| 1863 | log->Printf("[Debugger::FormatPrompt] ERROR: %s\n", error.AsCString("unknown")); \ |
| 1864 | break; |
| 1865 | } |
| 1866 | do_deref_pointer = false; |
| 1867 | } |
| 1868 | |
| 1869 | if (!target) |
| 1870 | { |
| 1871 | if (log) |
| 1872 | log->Printf("[Debugger::FormatPrompt] could not calculate target for prompt expression"); |
| 1873 | break; |
| 1874 | } |
| 1875 | |
| 1876 | // we do not want to use the summary for a bitfield of type T:n |
| 1877 | // if we were originally dealing with just a T - that would get |
| 1878 | // us into an endless recursion |
| 1879 | if (target->IsBitfield() && was_var_indexed) |
| 1880 | { |
| 1881 | // TODO: check for a (T:n)-specific summary - we should still obey that |
| 1882 | StreamString bitfield_name; |
| 1883 | bitfield_name.Printf("%s:%d", target->GetTypeName().AsCString(), target->GetBitfieldBitSize()); |
| 1884 | lldb::TypeNameSpecifierImplSP type_sp(new TypeNameSpecifierImpl(bitfield_name.GetData(),false)); |
| 1885 | if (!DataVisualization::GetSummaryForType(type_sp)) |
| 1886 | val_obj_display = ValueObject::eValueObjectRepresentationStyleValue; |
| 1887 | } |
| 1888 | |
| 1889 | // TODO use flags for these |
| 1890 | const uint32_t type_info_flags = target->GetClangType().GetTypeInfo(NULL__null); |
| 1891 | bool is_array = (type_info_flags & eTypeIsArray) != 0; |
| 1892 | bool is_pointer = (type_info_flags & eTypeIsPointer) != 0; |
| 1893 | bool is_aggregate = target->GetClangType().IsAggregateType(); |
| 1894 | |
| 1895 | if ((is_array || is_pointer) && (!is_array_range) && val_obj_display == ValueObject::eValueObjectRepresentationStyleValue) // this should be wrong, but there are some exceptions |
| 1896 | { |
| 1897 | StreamString str_temp; |
| 1898 | if (log) |
| 1899 | log->Printf("[Debugger::FormatPrompt] I am into array || pointer && !range"); |
| 1900 | |
| 1901 | if (target->HasSpecialPrintableRepresentation(val_obj_display, custom_format)) |
| 1902 | { |
| 1903 | // try to use the special cases |
| 1904 | var_success = target->DumpPrintableRepresentation(str_temp, |
| 1905 | val_obj_display, |
| 1906 | custom_format); |
| 1907 | if (log) |
| 1908 | log->Printf("[Debugger::FormatPrompt] special cases did%s match", var_success ? "" : "n't"); |
| 1909 | |
| 1910 | // should not happen |
| 1911 | if (var_success) |
| 1912 | s << str_temp.GetData(); |
| 1913 | var_success = true; |
| 1914 | break; |
| 1915 | } |
| 1916 | else |
| 1917 | { |
| 1918 | if (was_plain_var) // if ${var} |
| 1919 | { |
| 1920 | s << target->GetTypeName() << " @ " << target->GetLocationAsCString(); |
| 1921 | } |
| 1922 | else if (is_pointer) // if pointer, value is the address stored |
| 1923 | { |
| 1924 | target->DumpPrintableRepresentation (s, |
| 1925 | val_obj_display, |
| 1926 | custom_format, |
| 1927 | ValueObject::ePrintableRepresentationSpecialCasesDisable); |
| 1928 | } |
| 1929 | var_success = true; |
| 1930 | break; |
| 1931 | } |
| 1932 | } |
| 1933 | |
| 1934 | // if directly trying to print ${var}, and this is an aggregate, display a nice |
| 1935 | // type @ location message |
| 1936 | if (is_aggregate && was_plain_var) |
| 1937 | { |
| 1938 | s << target->GetTypeName() << " @ " << target->GetLocationAsCString(); |
| 1939 | var_success = true; |
| 1940 | break; |
| 1941 | } |
| 1942 | |
| 1943 | // if directly trying to print ${var%V}, and this is an aggregate, do not let the user do it |
| 1944 | if (is_aggregate && ((was_var_format && val_obj_display == ValueObject::eValueObjectRepresentationStyleValue))) |
| 1945 | { |
| 1946 | s << "<invalid use of aggregate type>"; |
| 1947 | var_success = true; |
| 1948 | break; |
| 1949 | } |
| 1950 | |
| 1951 | if (!is_array_range) |
| 1952 | { |
| 1953 | if (log) |
| 1954 | log->Printf("[Debugger::FormatPrompt] dumping ordinary printable output"); |
| 1955 | var_success = target->DumpPrintableRepresentation(s,val_obj_display, custom_format); |
| 1956 | } |
| 1957 | else |
| 1958 | { |
| 1959 | if (log) |
| 1960 | log->Printf("[Debugger::FormatPrompt] checking if I can handle as array"); |
| 1961 | if (!is_array && !is_pointer) |
| 1962 | break; |
| 1963 | if (log) |
| 1964 | log->Printf("[Debugger::FormatPrompt] handle as array"); |
| 1965 | const char* special_directions = NULL__null; |
| 1966 | StreamString special_directions_writer; |
| 1967 | if (close_bracket_position && (var_name_end-close_bracket_position > 1)) |
| 1968 | { |
| 1969 | ConstString additional_data; |
| 1970 | additional_data.SetCStringWithLength(close_bracket_position+1, var_name_end-close_bracket_position-1); |
| 1971 | special_directions_writer.Printf("${%svar%s}", |
| 1972 | do_deref_pointer ? "*" : "", |
| 1973 | additional_data.GetCString()); |
| 1974 | special_directions = special_directions_writer.GetData(); |
| 1975 | } |
| 1976 | |
| 1977 | // let us display items index_lower thru index_higher of this array |
| 1978 | s.PutChar('['); |
| 1979 | var_success = true; |
| 1980 | |
| 1981 | if (index_higher < 0) |
| 1982 | index_higher = valobj->GetNumChildren() - 1; |
| 1983 | |
| 1984 | uint32_t max_num_children = target->GetTargetSP()->GetMaximumNumberOfChildrenToDisplay(); |
| 1985 | |
| 1986 | for (;index_lower<=index_higher;index_lower++) |
| 1987 | { |
| 1988 | ValueObject* item = ExpandIndexedExpression (target, |
| 1989 | index_lower, |
| 1990 | exe_ctx->GetFramePtr(), |
| 1991 | false).get(); |
| 1992 | |
| 1993 | if (!item) |
| 1994 | { |
| 1995 | if (log) |
| 1996 | log->Printf("[Debugger::FormatPrompt] ERROR in getting child item at index %" PRId64"l" "d", index_lower); |
| 1997 | } |
| 1998 | else |
| 1999 | { |
| 2000 | if (log) |
| 2001 | log->Printf("[Debugger::FormatPrompt] special_directions for child item: %s",special_directions); |
| 2002 | } |
| 2003 | |
| 2004 | if (!special_directions) |
| 2005 | var_success &= item->DumpPrintableRepresentation(s,val_obj_display, custom_format); |
| 2006 | else |
| 2007 | var_success &= FormatPromptRecurse(special_directions, sc, exe_ctx, addr, s, NULL__null, item, function_changed, initial_function); |
| 2008 | |
| 2009 | if (--max_num_children == 0) |
| 2010 | { |
| 2011 | s.PutCString(", ..."); |
| 2012 | break; |
| 2013 | } |
| 2014 | |
| 2015 | if (index_lower < index_higher) |
| 2016 | s.PutChar(','); |
| 2017 | } |
| 2018 | s.PutChar(']'); |
| 2019 | } |
| 2020 | } |
| 2021 | break; |
| 2022 | case 'a': |
| 2023 | if (IsToken (var_name_begin, "addr-file-or-load}")) |
| 2024 | { |
| 2025 | print_file_addr_or_load_addr = true; |
| 2026 | } |
| 2027 | if (IsToken (var_name_begin, "addr}") |
| 2028 | || IsToken (var_name_begin, "addr-file-or-load}")) |
| 2029 | { |
| 2030 | if (addr && addr->IsValid()) |
| 2031 | { |
| 2032 | var_success = true; |
| 2033 | format_addr = *addr; |
| 2034 | } |
| 2035 | } |
| 2036 | break; |
| 2037 | |
| 2038 | case 'p': |
| 2039 | if (IsToken (var_name_begin, "process.")) |
| 2040 | { |
| 2041 | if (exe_ctx) |
| 2042 | { |
| 2043 | Process *process = exe_ctx->GetProcessPtr(); |
| 2044 | if (process) |
| 2045 | { |
| 2046 | var_name_begin += ::strlen ("process."); |
| 2047 | if (IsTokenWithFormat (var_name_begin, "id", token_format, "%" PRIu64"l" "u", exe_ctx, sc)) |
| 2048 | { |
| 2049 | s.Printf(token_format.c_str(), process->GetID()); |
| 2050 | var_success = true; |
| 2051 | } |
| 2052 | else if ((IsToken (var_name_begin, "name}")) || |
| 2053 | (IsToken (var_name_begin, "file.basename}")) || |
| 2054 | (IsToken (var_name_begin, "file.fullpath}"))) |
| 2055 | { |
| 2056 | Module *exe_module = process->GetTarget().GetExecutableModulePointer(); |
| 2057 | if (exe_module) |
| 2058 | { |
| 2059 | if (var_name_begin[0] == 'n' || var_name_begin[5] == 'f') |
| 2060 | { |
| 2061 | format_file_spec.GetFilename() = exe_module->GetFileSpec().GetFilename(); |
| 2062 | var_success = (bool)format_file_spec; |
| 2063 | } |
| 2064 | else |
| 2065 | { |
| 2066 | format_file_spec = exe_module->GetFileSpec(); |
| 2067 | var_success = (bool)format_file_spec; |
| 2068 | } |
| 2069 | } |
| 2070 | } |
| 2071 | else if (IsToken (var_name_begin, "script:")) |
| 2072 | { |
| 2073 | var_name_begin += ::strlen("script:"); |
| 2074 | std::string script_name(var_name_begin,var_name_end); |
| 2075 | ScriptInterpreter* script_interpreter = process->GetTarget().GetDebugger().GetCommandInterpreter().GetScriptInterpreter(); |
| 2076 | if (RunScriptFormatKeyword (s, script_interpreter, process, script_name)) |
| 2077 | var_success = true; |
| 2078 | } |
| 2079 | } |
| 2080 | } |
| 2081 | } |
| 2082 | break; |
| 2083 | |
| 2084 | case 't': |
| 2085 | if (IsToken (var_name_begin, "thread.")) |
| 2086 | { |
| 2087 | if (exe_ctx) |
| 2088 | { |
| 2089 | Thread *thread = exe_ctx->GetThreadPtr(); |
| 2090 | if (thread) |
| 2091 | { |
| 2092 | var_name_begin += ::strlen ("thread."); |
| 2093 | if (IsTokenWithFormat (var_name_begin, "id", token_format, "0x%4.4" PRIx64"l" "x", exe_ctx, sc)) |
| 2094 | { |
| 2095 | s.Printf(token_format.c_str(), thread->GetID()); |
| 2096 | var_success = true; |
| 2097 | } |
| 2098 | else if (IsTokenWithFormat (var_name_begin, "protocol_id", token_format, "0x%4.4" PRIx64"l" "x", exe_ctx, sc)) |
| 2099 | { |
| 2100 | s.Printf(token_format.c_str(), thread->GetProtocolID()); |
| 2101 | var_success = true; |
| 2102 | } |
| 2103 | else if (IsTokenWithFormat (var_name_begin, "index", token_format, "%" PRIu64"l" "u", exe_ctx, sc)) |
| 2104 | { |
| 2105 | s.Printf(token_format.c_str(), (uint64_t)thread->GetIndexID()); |
| 2106 | var_success = true; |
| 2107 | } |
| 2108 | else if (IsToken (var_name_begin, "name}")) |
| 2109 | { |
| 2110 | cstr = thread->GetName(); |
| 2111 | var_success = cstr && cstr[0]; |
| 2112 | if (var_success) |
| 2113 | s.PutCString(cstr); |
| 2114 | } |
| 2115 | else if (IsToken (var_name_begin, "queue}")) |
| 2116 | { |
| 2117 | cstr = thread->GetQueueName(); |
| 2118 | var_success = cstr && cstr[0]; |
| 2119 | if (var_success) |
| 2120 | s.PutCString(cstr); |
| 2121 | } |
| 2122 | else if (IsToken (var_name_begin, "stop-reason}")) |
| 2123 | { |
| 2124 | StopInfoSP stop_info_sp = thread->GetStopInfo (); |
| 2125 | if (stop_info_sp && stop_info_sp->IsValid()) |
| 2126 | { |
| 2127 | cstr = stop_info_sp->GetDescription(); |
| 2128 | if (cstr && cstr[0]) |
| 2129 | { |
| 2130 | s.PutCString(cstr); |
| 2131 | var_success = true; |
| 2132 | } |
| 2133 | } |
| 2134 | } |
| 2135 | else if (IsToken (var_name_begin, "return-value}")) |
| 2136 | { |
| 2137 | StopInfoSP stop_info_sp = thread->GetStopInfo (); |
| 2138 | if (stop_info_sp && stop_info_sp->IsValid()) |
| 2139 | { |
| 2140 | ValueObjectSP return_valobj_sp = StopInfo::GetReturnValueObject (stop_info_sp); |
| 2141 | if (return_valobj_sp) |
| 2142 | { |
| 2143 | return_valobj_sp->Dump(s); |
| 2144 | var_success = true; |
| 2145 | } |
| 2146 | } |
| 2147 | } |
| 2148 | else if (IsToken (var_name_begin, "completed-expression}")) |
| 2149 | { |
| 2150 | StopInfoSP stop_info_sp = thread->GetStopInfo (); |
| 2151 | if (stop_info_sp && stop_info_sp->IsValid()) |
| 2152 | { |
| 2153 | ClangExpressionVariableSP expression_var_sp = StopInfo::GetExpressionVariable (stop_info_sp); |
| 2154 | if (expression_var_sp && expression_var_sp->GetValueObject()) |
| 2155 | { |
| 2156 | expression_var_sp->GetValueObject()->Dump(s); |
| 2157 | var_success = true; |
| 2158 | } |
| 2159 | } |
| 2160 | } |
| 2161 | else if (IsToken (var_name_begin, "script:")) |
| 2162 | { |
| 2163 | var_name_begin += ::strlen("script:"); |
| 2164 | std::string script_name(var_name_begin,var_name_end); |
| 2165 | ScriptInterpreter* script_interpreter = thread->GetProcess()->GetTarget().GetDebugger().GetCommandInterpreter().GetScriptInterpreter(); |
| 2166 | if (RunScriptFormatKeyword (s, script_interpreter, thread, script_name)) |
| 2167 | var_success = true; |
| 2168 | } |
| 2169 | else if (IsToken (var_name_begin, "info.")) |
| 2170 | { |
| 2171 | var_name_begin += ::strlen("info."); |
| 2172 | StructuredData::ObjectSP object_sp = thread->GetExtendedInfo(); |
| 2173 | if (object_sp && object_sp->GetType() == StructuredData::Type::eTypeDictionary) |
| 2174 | { |
| 2175 | var_success = FormatThreadExtendedInfoRecurse (var_name_begin, object_sp, sc, exe_ctx, s); |
| 2176 | } |
| 2177 | } |
| 2178 | } |
| 2179 | } |
| 2180 | } |
| 2181 | else if (IsToken (var_name_begin, "target.")) |
| 2182 | { |
| 2183 | // TODO: hookup properties |
| 2184 | // if (!target_properties_sp) |
| 2185 | // { |
| 2186 | // Target *target = Target::GetTargetFromContexts (exe_ctx, sc); |
| 2187 | // if (target) |
| 2188 | // target_properties_sp = target->GetProperties(); |
| 2189 | // } |
| 2190 | // |
| 2191 | // if (target_properties_sp) |
| 2192 | // { |
| 2193 | // var_name_begin += ::strlen ("target."); |
| 2194 | // const char *end_property = strchr(var_name_begin, '}'); |
| 2195 | // if (end_property) |
| 2196 | // { |
| 2197 | // ConstString property_name(var_name_begin, end_property - var_name_begin); |
| 2198 | // std::string property_value (target_properties_sp->GetPropertyValue(property_name)); |
| 2199 | // if (!property_value.empty()) |
| 2200 | // { |
| 2201 | // s.PutCString (property_value.c_str()); |
| 2202 | // var_success = true; |
| 2203 | // } |
| 2204 | // } |
| 2205 | // } |
| 2206 | Target *target = Target::GetTargetFromContexts (exe_ctx, sc); |
| 2207 | if (target) |
| 2208 | { |
| 2209 | var_name_begin += ::strlen ("target."); |
| 2210 | if (IsToken (var_name_begin, "arch}")) |
| 2211 | { |
| 2212 | ArchSpec arch (target->GetArchitecture ()); |
| 2213 | if (arch.IsValid()) |
| 2214 | { |
| 2215 | s.PutCString (arch.GetArchitectureName()); |
| 2216 | var_success = true; |
| 2217 | } |
| 2218 | } |
| 2219 | else if (IsToken (var_name_begin, "script:")) |
| 2220 | { |
| 2221 | var_name_begin += ::strlen("script:"); |
| 2222 | std::string script_name(var_name_begin,var_name_end); |
| 2223 | ScriptInterpreter* script_interpreter = target->GetDebugger().GetCommandInterpreter().GetScriptInterpreter(); |
| 2224 | if (RunScriptFormatKeyword (s, script_interpreter, target, script_name)) |
| 2225 | var_success = true; |
| 2226 | } |
| 2227 | } |
| 2228 | } |
| 2229 | break; |
| 2230 | |
| 2231 | case 'm': |
| 2232 | if (IsToken (var_name_begin, "module.")) |
| 2233 | { |
| 2234 | if (sc && sc->module_sp.get()) |
| 2235 | { |
| 2236 | Module *module = sc->module_sp.get(); |
| 2237 | var_name_begin += ::strlen ("module."); |
| 2238 | |
| 2239 | if (IsToken (var_name_begin, "file.")) |
| 2240 | { |
| 2241 | if (module->GetFileSpec()) |
| 2242 | { |
| 2243 | var_name_begin += ::strlen ("file."); |
| 2244 | |
| 2245 | if (IsToken (var_name_begin, "basename}")) |
| 2246 | { |
| 2247 | format_file_spec.GetFilename() = module->GetFileSpec().GetFilename(); |
| 2248 | var_success = (bool)format_file_spec; |
| 2249 | } |
| 2250 | else if (IsToken (var_name_begin, "fullpath}")) |
| 2251 | { |
| 2252 | format_file_spec = module->GetFileSpec(); |
| 2253 | var_success = (bool)format_file_spec; |
| 2254 | } |
| 2255 | } |
| 2256 | } |
| 2257 | } |
| 2258 | } |
| 2259 | break; |
| 2260 | |
| 2261 | |
| 2262 | case 'f': |
| 2263 | if (IsToken (var_name_begin, "file.")) |
| 2264 | { |
| 2265 | if (sc && sc->comp_unit != NULL__null) |
| 2266 | { |
| 2267 | var_name_begin += ::strlen ("file."); |
| 2268 | |
| 2269 | if (IsToken (var_name_begin, "basename}")) |
| 2270 | { |
| 2271 | format_file_spec.GetFilename() = sc->comp_unit->GetFilename(); |
| 2272 | var_success = (bool)format_file_spec; |
| 2273 | } |
| 2274 | else if (IsToken (var_name_begin, "fullpath}")) |
| 2275 | { |
| 2276 | format_file_spec = *sc->comp_unit; |
| 2277 | var_success = (bool)format_file_spec; |
| 2278 | } |
| 2279 | } |
| 2280 | } |
| 2281 | else if (IsToken (var_name_begin, "frame.")) |
| 2282 | { |
| 2283 | if (exe_ctx) |
| 2284 | { |
| 2285 | StackFrame *frame = exe_ctx->GetFramePtr(); |
| 2286 | if (frame) |
| 2287 | { |
| 2288 | var_name_begin += ::strlen ("frame."); |
| 2289 | if (IsToken (var_name_begin, "index}")) |
| 2290 | { |
| 2291 | s.Printf("%u", frame->GetFrameIndex()); |
| 2292 | var_success = true; |
| 2293 | } |
| 2294 | else if (IsToken (var_name_begin, "pc}")) |
| 2295 | { |
| 2296 | reg_kind = eRegisterKindGeneric; |
| 2297 | reg_num = LLDB_REGNUM_GENERIC_PC0; |
| 2298 | var_success = true; |
| 2299 | } |
| 2300 | else if (IsToken (var_name_begin, "sp}")) |
| 2301 | { |
| 2302 | reg_kind = eRegisterKindGeneric; |
| 2303 | reg_num = LLDB_REGNUM_GENERIC_SP1; |
| 2304 | var_success = true; |
| 2305 | } |
| 2306 | else if (IsToken (var_name_begin, "fp}")) |
| 2307 | { |
| 2308 | reg_kind = eRegisterKindGeneric; |
| 2309 | reg_num = LLDB_REGNUM_GENERIC_FP2; |
| 2310 | var_success = true; |
| 2311 | } |
| 2312 | else if (IsToken (var_name_begin, "flags}")) |
| 2313 | { |
| 2314 | reg_kind = eRegisterKindGeneric; |
| 2315 | reg_num = LLDB_REGNUM_GENERIC_FLAGS4; |
| 2316 | var_success = true; |
| 2317 | } |
| 2318 | else if (IsToken (var_name_begin, "reg.")) |
| 2319 | { |
| 2320 | reg_ctx = frame->GetRegisterContext().get(); |
| 2321 | if (reg_ctx) |
| 2322 | { |
| 2323 | var_name_begin += ::strlen ("reg."); |
| 2324 | if (var_name_begin < var_name_end) |
| 2325 | { |
| 2326 | std::string reg_name (var_name_begin, var_name_end); |
| 2327 | reg_info = reg_ctx->GetRegisterInfoByName (reg_name.c_str()); |
| 2328 | if (reg_info) |
| 2329 | var_success = true; |
| 2330 | } |
| 2331 | } |
| 2332 | } |
| 2333 | else if (IsToken (var_name_begin, "script:")) |
| 2334 | { |
| 2335 | var_name_begin += ::strlen("script:"); |
| 2336 | std::string script_name(var_name_begin,var_name_end); |
| 2337 | ScriptInterpreter* script_interpreter = frame->GetThread()->GetProcess()->GetTarget().GetDebugger().GetCommandInterpreter().GetScriptInterpreter(); |
| 2338 | if (RunScriptFormatKeyword (s, script_interpreter, frame, script_name)) |
| 2339 | var_success = true; |
| 2340 | } |
| 2341 | } |
| 2342 | } |
| 2343 | } |
| 2344 | else if (IsToken (var_name_begin, "function.")) |
| 2345 | { |
| 2346 | if (sc && (sc->function != NULL__null || sc->symbol != NULL__null)) |
| 2347 | { |
| 2348 | var_name_begin += ::strlen ("function."); |
| 2349 | if (IsToken (var_name_begin, "id}")) |
| 2350 | { |
| 2351 | if (sc->function) |
| 2352 | s.Printf("function{0x%8.8" PRIx64"l" "x" "}", sc->function->GetID()); |
| 2353 | else |
| 2354 | s.Printf("symbol[%u]", sc->symbol->GetID()); |
| 2355 | |
| 2356 | var_success = true; |
| 2357 | } |
| 2358 | if (IsToken (var_name_begin, "changed}") && function_changed) |
| 2359 | { |
| 2360 | var_success = true; |
| 2361 | } |
| 2362 | if (IsToken (var_name_begin, "initial-function}") && initial_function) |
| 2363 | { |
| 2364 | var_success = true; |
| 2365 | } |
| 2366 | else if (IsToken (var_name_begin, "name}")) |
| 2367 | { |
| 2368 | if (sc->function) |
| 2369 | cstr = sc->function->GetName().AsCString (NULL__null); |
| 2370 | else if (sc->symbol) |
| 2371 | cstr = sc->symbol->GetName().AsCString (NULL__null); |
| 2372 | if (cstr) |
| 2373 | { |
| 2374 | s.PutCString(cstr); |
| 2375 | |
| 2376 | if (sc->block) |
| 2377 | { |
| 2378 | Block *inline_block = sc->block->GetContainingInlinedBlock (); |
| 2379 | if (inline_block) |
| 2380 | { |
| 2381 | const InlineFunctionInfo *inline_info = sc->block->GetInlinedFunctionInfo(); |
| 2382 | if (inline_info) |
| 2383 | { |
| 2384 | s.PutCString(" [inlined] "); |
| 2385 | inline_info->GetName().Dump(&s); |
| 2386 | } |
| 2387 | } |
| 2388 | } |
| 2389 | var_success = true; |
| 2390 | } |
| 2391 | } |
| 2392 | else if (IsToken (var_name_begin, "name-without-args}")) |
| 2393 | { |
| 2394 | ConstString name; |
| 2395 | if (sc->function) |
| 2396 | name = sc->function->GetMangled().GetName (Mangled::ePreferDemangledWithoutArguments); |
| 2397 | else if (sc->symbol) |
| 2398 | name = sc->symbol->GetMangled().GetName (Mangled::ePreferDemangledWithoutArguments); |
| 2399 | if (name) |
| 2400 | { |
| 2401 | s.PutCString(name.GetCString()); |
| 2402 | var_success = true; |
| 2403 | } |
| 2404 | } |
| 2405 | else if (IsToken (var_name_begin, "name-with-args}")) |
| 2406 | { |
| 2407 | // Print the function name with arguments in it |
| 2408 | |
| 2409 | if (sc->function) |
| 2410 | { |
| 2411 | var_success = true; |
| 2412 | ExecutionContextScope *exe_scope = exe_ctx ? exe_ctx->GetBestExecutionContextScope() : NULL__null; |
| 2413 | cstr = sc->function->GetName().AsCString (NULL__null); |
| 2414 | if (cstr) |
| 2415 | { |
| 2416 | const InlineFunctionInfo *inline_info = NULL__null; |
| 2417 | VariableListSP variable_list_sp; |
| 2418 | bool get_function_vars = true; |
| 2419 | if (sc->block) |
| 2420 | { |
| 2421 | Block *inline_block = sc->block->GetContainingInlinedBlock (); |
| 2422 | |
| 2423 | if (inline_block) |
| 2424 | { |
| 2425 | get_function_vars = false; |
| 2426 | inline_info = sc->block->GetInlinedFunctionInfo(); |
| 2427 | if (inline_info) |
| 2428 | variable_list_sp = inline_block->GetBlockVariableList (true); |
| 2429 | } |
| 2430 | } |
| 2431 | |
| 2432 | if (get_function_vars) |
| 2433 | { |
| 2434 | variable_list_sp = sc->function->GetBlock(true).GetBlockVariableList (true); |
| 2435 | } |
| 2436 | |
| 2437 | if (inline_info) |
| 2438 | { |
| 2439 | s.PutCString (cstr); |
| 2440 | s.PutCString (" [inlined] "); |
| 2441 | cstr = inline_info->GetName().GetCString(); |
| 2442 | } |
| 2443 | |
| 2444 | VariableList args; |
| 2445 | if (variable_list_sp) |
| 2446 | variable_list_sp->AppendVariablesWithScope(eValueTypeVariableArgument, args); |
| 2447 | if (args.GetSize() > 0) |
| 2448 | { |
| 2449 | const char *open_paren = strchr (cstr, '('); |
| 2450 | const char *close_paren = nullptr; |
| 2451 | const char *generic = strchr(cstr, '<'); |
| 2452 | // if before the arguments list begins there is a template sign |
| 2453 | // then scan to the end of the generic args before you try to find |
| 2454 | // the arguments list |
| 2455 | if (generic && open_paren && generic < open_paren) |
| 2456 | { |
| 2457 | int generic_depth = 1; |
| 2458 | ++generic; |
| 2459 | for (; |
| 2460 | *generic && generic_depth > 0; |
| 2461 | generic++) |
| 2462 | { |
| 2463 | if (*generic == '<') |
| 2464 | generic_depth++; |
| 2465 | if (*generic == '>') |
| 2466 | generic_depth--; |
| 2467 | } |
| 2468 | if (*generic) |
| 2469 | open_paren = strchr(generic, '('); |
| 2470 | else |
| 2471 | open_paren = nullptr; |
| 2472 | } |
| 2473 | if (open_paren) |
| 2474 | { |
| 2475 | if (IsToken (open_paren, "(anonymous namespace)")) |
| 2476 | { |
| 2477 | open_paren = strchr (open_paren + strlen("(anonymous namespace)"), '('); |
| 2478 | if (open_paren) |
| 2479 | close_paren = strchr (open_paren, ')'); |
| 2480 | } |
| 2481 | else |
| 2482 | close_paren = strchr (open_paren, ')'); |
| 2483 | } |
| 2484 | |
| 2485 | if (open_paren) |
| 2486 | s.Write(cstr, open_paren - cstr + 1); |
| 2487 | else |
| 2488 | { |
| 2489 | s.PutCString (cstr); |
| 2490 | s.PutChar ('('); |
| 2491 | } |
| 2492 | const size_t num_args = args.GetSize(); |
| 2493 | for (size_t arg_idx = 0; arg_idx < num_args; ++arg_idx) |
| 2494 | { |
| 2495 | std::string buffer; |
| 2496 | |
| 2497 | VariableSP var_sp (args.GetVariableAtIndex (arg_idx)); |
| 2498 | ValueObjectSP var_value_sp (ValueObjectVariable::Create (exe_scope, var_sp)); |
| 2499 | const char *var_representation = nullptr; |
| 2500 | const char *var_name = var_value_sp->GetName().GetCString(); |
| 2501 | if (var_value_sp->GetClangType().IsAggregateType() && |
| 2502 | DataVisualization::ShouldPrintAsOneLiner(*var_value_sp.get())) |
| 2503 | { |
| 2504 | static StringSummaryFormat format(TypeSummaryImpl::Flags() |
| 2505 | .SetHideItemNames(false) |
| 2506 | .SetShowMembersOneLiner(true), |
| 2507 | ""); |
| 2508 | format.FormatObject(var_value_sp.get(), buffer, TypeSummaryOptions()); |
| 2509 | var_representation = buffer.c_str(); |
| 2510 | } |
| 2511 | else |
| 2512 | var_representation = var_value_sp->GetValueAsCString(); |
| 2513 | if (arg_idx > 0) |
| 2514 | s.PutCString (", "); |
| 2515 | if (var_value_sp->GetError().Success()) |
| 2516 | { |
| 2517 | if (var_representation) |
| 2518 | s.Printf ("%s=%s", var_name, var_representation); |
| 2519 | else |
| 2520 | s.Printf ("%s=%s at %s", var_name, var_value_sp->GetTypeName().GetCString(), var_value_sp->GetLocationAsCString()); |
| 2521 | } |
| 2522 | else |
| 2523 | s.Printf ("%s=<unavailable>", var_name); |
| 2524 | } |
| 2525 | |
| 2526 | if (close_paren) |
| 2527 | s.PutCString (close_paren); |
| 2528 | else |
| 2529 | s.PutChar(')'); |
| 2530 | |
| 2531 | } |
| 2532 | else |
| 2533 | { |
| 2534 | s.PutCString(cstr); |
| 2535 | } |
| 2536 | } |
| 2537 | } |
| 2538 | else if (sc->symbol) |
| 2539 | { |
| 2540 | cstr = sc->symbol->GetName().AsCString (NULL__null); |
| 2541 | if (cstr) |
| 2542 | { |
| 2543 | s.PutCString(cstr); |
| 2544 | var_success = true; |
| 2545 | } |
| 2546 | } |
| 2547 | } |
| 2548 | else if (IsToken (var_name_begin, "addr-offset}") |
| 2549 | || IsToken (var_name_begin, "concrete-only-addr-offset-no-padding}")) |
| 2550 | { |
| 2551 | if (IsToken (var_name_begin, "concrete-only-addr-offset-no-padding}")) |
| 2552 | { |
| 2553 | addr_offset_print_with_no_padding = true; |
| 2554 | addr_offset_concrete_func_only = true; |
| 2555 | } |
| 2556 | var_success = addr != NULL__null; |
| 2557 | if (var_success) |
| 2558 | { |
| 2559 | format_addr = *addr; |
| 2560 | calculate_format_addr_function_offset = true; |
| 2561 | } |
| 2562 | } |
| 2563 | else if (IsToken (var_name_begin, "line-offset}")) |
| 2564 | { |
| 2565 | var_success = sc->line_entry.range.GetBaseAddress().IsValid(); |
| 2566 | if (var_success) |
| 2567 | { |
| 2568 | format_addr = sc->line_entry.range.GetBaseAddress(); |
| 2569 | calculate_format_addr_function_offset = true; |
| 2570 | } |
| 2571 | } |
| 2572 | else if (IsToken (var_name_begin, "pc-offset}")) |
| 2573 | { |
| 2574 | StackFrame *frame = exe_ctx->GetFramePtr(); |
| 2575 | var_success = frame != NULL__null; |
| 2576 | if (var_success) |
| 2577 | { |
| 2578 | format_addr = frame->GetFrameCodeAddress(); |
| 2579 | calculate_format_addr_function_offset = true; |
| 2580 | } |
| 2581 | } |
| 2582 | } |
| 2583 | } |
| 2584 | break; |
| 2585 | |
| 2586 | case 'l': |
| 2587 | if (IsToken (var_name_begin, "line.")) |
| 2588 | { |
| 2589 | if (sc && sc->line_entry.IsValid()) |
| 2590 | { |
| 2591 | var_name_begin += ::strlen ("line."); |
| 2592 | if (IsToken (var_name_begin, "file.")) |
| 2593 | { |
| 2594 | var_name_begin += ::strlen ("file."); |
| 2595 | |
| 2596 | if (IsToken (var_name_begin, "basename}")) |
| 2597 | { |
| 2598 | format_file_spec.GetFilename() = sc->line_entry.file.GetFilename(); |
| 2599 | var_success = (bool)format_file_spec; |
| 2600 | } |
| 2601 | else if (IsToken (var_name_begin, "fullpath}")) |
| 2602 | { |
| 2603 | format_file_spec = sc->line_entry.file; |
| 2604 | var_success = (bool)format_file_spec; |
| 2605 | } |
| 2606 | } |
| 2607 | else if (IsTokenWithFormat (var_name_begin, "number", token_format, "%" PRIu64"l" "u", exe_ctx, sc)) |
| 2608 | { |
| 2609 | var_success = true; |
| 2610 | s.Printf(token_format.c_str(), (uint64_t)sc->line_entry.line); |
| 2611 | } |
| 2612 | else if ((IsToken (var_name_begin, "start-addr}")) || |
| 2613 | (IsToken (var_name_begin, "end-addr}"))) |
| 2614 | { |
| 2615 | var_success = sc && sc->line_entry.range.GetBaseAddress().IsValid(); |
| 2616 | if (var_success) |
| 2617 | { |
| 2618 | format_addr = sc->line_entry.range.GetBaseAddress(); |
| 2619 | if (var_name_begin[0] == 'e') |
| 2620 | format_addr.Slide (sc->line_entry.range.GetByteSize()); |
| 2621 | } |
| 2622 | } |
| 2623 | } |
| 2624 | } |
| 2625 | break; |
| 2626 | case 'c': |
| 2627 | if (IsToken (var_name_begin, "current-pc-arrow")) |
| 2628 | { |
| 2629 | if (addr && exe_ctx && exe_ctx->GetFramePtr()) |
| 2630 | { |
| 2631 | RegisterContextSP reg_ctx = exe_ctx->GetFramePtr()->GetRegisterContextSP(); |
| 2632 | if (reg_ctx.get()) |
| 2633 | { |
| 2634 | addr_t pc_loadaddr = reg_ctx->GetPC(); |
| 2635 | if (pc_loadaddr != LLDB_INVALID_ADDRESS(18446744073709551615UL)) |
| 2636 | { |
| 2637 | Address pc; |
| 2638 | pc.SetLoadAddress (pc_loadaddr, exe_ctx->GetTargetPtr()); |
| 2639 | if (pc == *addr) |
| 2640 | { |
| 2641 | s.Printf ("-> "); |
| 2642 | var_success = true; |
| 2643 | } |
| 2644 | } |
| 2645 | } |
| 2646 | if (var_success == false) |
| 2647 | { |
| 2648 | s.Printf(" "); |
| 2649 | var_success = true; |
Value stored to 'var_success' is never read | |
| 2650 | } |
| 2651 | } |
| 2652 | var_success = true; |
| 2653 | } |
| 2654 | break; |
| 2655 | } |
| 2656 | |
| 2657 | if (var_success) |
| 2658 | { |
| 2659 | // If format addr is valid, then we need to print an address |
| 2660 | if (reg_num != LLDB_INVALID_REGNUM(4294967295U)) |
| 2661 | { |
| 2662 | StackFrame *frame = exe_ctx->GetFramePtr(); |
| 2663 | // We have a register value to display... |
| 2664 | if (reg_num == LLDB_REGNUM_GENERIC_PC0 && reg_kind == eRegisterKindGeneric) |
| 2665 | { |
| 2666 | format_addr = frame->GetFrameCodeAddress(); |
| 2667 | } |
| 2668 | else |
| 2669 | { |
| 2670 | if (reg_ctx == NULL__null) |
| 2671 | reg_ctx = frame->GetRegisterContext().get(); |
| 2672 | |
| 2673 | if (reg_ctx) |
| 2674 | { |
| 2675 | if (reg_kind != kNumRegisterKinds) |
| 2676 | reg_num = reg_ctx->ConvertRegisterKindToRegisterNumber(reg_kind, reg_num); |
| 2677 | reg_info = reg_ctx->GetRegisterInfoAtIndex (reg_num); |
| 2678 | var_success = reg_info != NULL__null; |
| 2679 | } |
| 2680 | } |
| 2681 | } |
| 2682 | |
| 2683 | if (reg_info != NULL__null) |
| 2684 | { |
| 2685 | RegisterValue reg_value; |
| 2686 | var_success = reg_ctx->ReadRegister (reg_info, reg_value); |
| 2687 | if (var_success) |
| 2688 | { |
| 2689 | reg_value.Dump(&s, reg_info, false, false, eFormatDefault); |
| 2690 | } |
| 2691 | } |
| 2692 | |
| 2693 | if (format_file_spec) |
| 2694 | { |
| 2695 | s << format_file_spec; |
| 2696 | } |
| 2697 | |
| 2698 | // If format addr is valid, then we need to print an address |
| 2699 | if (format_addr.IsValid()) |
| 2700 | { |
| 2701 | var_success = false; |
| 2702 | |
| 2703 | if (calculate_format_addr_function_offset) |
| 2704 | { |
| 2705 | Address func_addr; |
| 2706 | |
| 2707 | if (sc) |
| 2708 | { |
| 2709 | if (sc->function) |
| 2710 | { |
| 2711 | func_addr = sc->function->GetAddressRange().GetBaseAddress(); |
| 2712 | if (sc->block && addr_offset_concrete_func_only == false) |
| 2713 | { |
| 2714 | // Check to make sure we aren't in an inline |
| 2715 | // function. If we are, use the inline block |
| 2716 | // range that contains "format_addr" since |
| 2717 | // blocks can be discontiguous. |
| 2718 | Block *inline_block = sc->block->GetContainingInlinedBlock (); |
| 2719 | AddressRange inline_range; |
| 2720 | if (inline_block && inline_block->GetRangeContainingAddress (format_addr, inline_range)) |
| 2721 | func_addr = inline_range.GetBaseAddress(); |
| 2722 | } |
| 2723 | } |
| 2724 | else if (sc->symbol && sc->symbol->ValueIsAddress()) |
| 2725 | func_addr = sc->symbol->GetAddress(); |
| 2726 | } |
| 2727 | |
| 2728 | if (func_addr.IsValid()) |
| 2729 | { |
| 2730 | const char *addr_offset_padding = " "; |
| 2731 | if (addr_offset_print_with_no_padding) |
| 2732 | { |
| 2733 | addr_offset_padding = ""; |
| 2734 | } |
| 2735 | if (func_addr.GetSection() == format_addr.GetSection()) |
| 2736 | { |
| 2737 | addr_t func_file_addr = func_addr.GetFileAddress(); |
| 2738 | addr_t addr_file_addr = format_addr.GetFileAddress(); |
| 2739 | if (addr_file_addr > func_file_addr) |
| 2740 | s.Printf("%s+%s%" PRIu64"l" "u", addr_offset_padding, addr_offset_padding, addr_file_addr - func_file_addr); |
| 2741 | else if (addr_file_addr < func_file_addr) |
| 2742 | s.Printf("%s-%s%" PRIu64"l" "u", addr_offset_padding, addr_offset_padding, func_file_addr - addr_file_addr); |
| 2743 | var_success = true; |
| 2744 | } |
| 2745 | else |
| 2746 | { |
| 2747 | Target *target = Target::GetTargetFromContexts (exe_ctx, sc); |
| 2748 | if (target) |
| 2749 | { |
| 2750 | addr_t func_load_addr = func_addr.GetLoadAddress (target); |
| 2751 | addr_t addr_load_addr = format_addr.GetLoadAddress (target); |
| 2752 | if (addr_load_addr > func_load_addr) |
| 2753 | s.Printf("%s+%s%" PRIu64"l" "u", addr_offset_padding, addr_offset_padding, addr_load_addr - func_load_addr); |
| 2754 | else if (addr_load_addr < func_load_addr) |
| 2755 | s.Printf("%s-%s%" PRIu64"l" "u", addr_offset_padding, addr_offset_padding, func_load_addr - addr_load_addr); |
| 2756 | var_success = true; |
| 2757 | } |
| 2758 | } |
| 2759 | } |
| 2760 | } |
| 2761 | else |
| 2762 | { |
| 2763 | Target *target = Target::GetTargetFromContexts (exe_ctx, sc); |
| 2764 | addr_t vaddr = LLDB_INVALID_ADDRESS(18446744073709551615UL); |
| 2765 | if (exe_ctx && !target->GetSectionLoadList().IsEmpty()) |
| 2766 | vaddr = format_addr.GetLoadAddress (target); |
| 2767 | if (vaddr == LLDB_INVALID_ADDRESS(18446744073709551615UL)) |
| 2768 | vaddr = format_addr.GetFileAddress (); |
| 2769 | |
| 2770 | if (vaddr != LLDB_INVALID_ADDRESS(18446744073709551615UL)) |
| 2771 | { |
| 2772 | int addr_width = 0; |
| 2773 | if (exe_ctx && target) |
| 2774 | { |
| 2775 | addr_width = target->GetArchitecture().GetAddressByteSize() * 2; |
| 2776 | } |
| 2777 | if (addr_width == 0) |
| 2778 | addr_width = 16; |
| 2779 | if (print_file_addr_or_load_addr) |
| 2780 | { |
| 2781 | format_addr.Dump (&s, exe_ctx ? exe_ctx->GetBestExecutionContextScope() : NULL__null, Address::DumpStyleLoadAddress, Address::DumpStyleModuleWithFileAddress, 0); |
| 2782 | } |
| 2783 | else |
| 2784 | { |
| 2785 | s.Printf("0x%*.*" PRIx64"l" "x", addr_width, addr_width, vaddr); |
| 2786 | } |
| 2787 | var_success = true; |
| 2788 | } |
| 2789 | } |
| 2790 | } |
| 2791 | } |
| 2792 | |
| 2793 | if (var_success == false) |
| 2794 | success = false; |
| 2795 | } |
| 2796 | p = var_name_end; |
| 2797 | } |
| 2798 | else |
| 2799 | break; |
| 2800 | } |
| 2801 | else |
| 2802 | { |
| 2803 | // We got a dollar sign with no '{' after it, it must just be a dollar sign |
| 2804 | s.PutChar(*p); |
| 2805 | } |
| 2806 | } |
| 2807 | else if (*p == '\\') |
| 2808 | { |
| 2809 | ++p; // skip the slash |
| 2810 | switch (*p) |
| 2811 | { |
| 2812 | case 'a': s.PutChar ('\a'); break; |
| 2813 | case 'b': s.PutChar ('\b'); break; |
| 2814 | case 'f': s.PutChar ('\f'); break; |
| 2815 | case 'n': s.PutChar ('\n'); break; |
| 2816 | case 'r': s.PutChar ('\r'); break; |
| 2817 | case 't': s.PutChar ('\t'); break; |
| 2818 | case 'v': s.PutChar ('\v'); break; |
| 2819 | case '\'': s.PutChar ('\''); break; |
| 2820 | case '\\': s.PutChar ('\\'); break; |
| 2821 | case '0': |
| 2822 | // 1 to 3 octal chars |
| 2823 | { |
| 2824 | // Make a string that can hold onto the initial zero char, |
| 2825 | // up to 3 octal digits, and a terminating NULL. |
| 2826 | char oct_str[5] = { 0, 0, 0, 0, 0 }; |
| 2827 | |
| 2828 | int i; |
| 2829 | for (i=0; (p[i] >= '0' && p[i] <= '7') && i<4; ++i) |
| 2830 | oct_str[i] = p[i]; |
| 2831 | |
| 2832 | // We don't want to consume the last octal character since |
| 2833 | // the main for loop will do this for us, so we advance p by |
| 2834 | // one less than i (even if i is zero) |
| 2835 | p += i - 1; |
| 2836 | unsigned long octal_value = ::strtoul (oct_str, NULL__null, 8); |
| 2837 | if (octal_value <= UINT8_MAX(255)) |
| 2838 | { |
| 2839 | s.PutChar((char)octal_value); |
| 2840 | } |
| 2841 | } |
| 2842 | break; |
| 2843 | |
| 2844 | case 'x': |
| 2845 | // hex number in the format |
| 2846 | if (isxdigit(p[1])) |
| 2847 | { |
| 2848 | ++p; // Skip the 'x' |
| 2849 | |
| 2850 | // Make a string that can hold onto two hex chars plus a |
| 2851 | // NULL terminator |
| 2852 | char hex_str[3] = { 0,0,0 }; |
| 2853 | hex_str[0] = *p; |
| 2854 | if (isxdigit(p[1])) |
| 2855 | { |
| 2856 | ++p; // Skip the first of the two hex chars |
| 2857 | hex_str[1] = *p; |
| 2858 | } |
| 2859 | |
| 2860 | unsigned long hex_value = strtoul (hex_str, NULL__null, 16); |
| 2861 | if (hex_value <= UINT8_MAX(255)) |
| 2862 | s.PutChar ((char)hex_value); |
| 2863 | } |
| 2864 | else |
| 2865 | { |
| 2866 | s.PutChar('x'); |
| 2867 | } |
| 2868 | break; |
| 2869 | |
| 2870 | default: |
| 2871 | // Just desensitize any other character by just printing what |
| 2872 | // came after the '\' |
| 2873 | s << *p; |
| 2874 | break; |
| 2875 | |
| 2876 | } |
| 2877 | |
| 2878 | } |
| 2879 | } |
| 2880 | if (end) |
| 2881 | *end = p; |
| 2882 | return success; |
| 2883 | } |
| 2884 | |
| 2885 | bool |
| 2886 | Debugger::FormatPrompt |
| 2887 | ( |
| 2888 | const char *format, |
| 2889 | const SymbolContext *sc, |
| 2890 | const ExecutionContext *exe_ctx, |
| 2891 | const Address *addr, |
| 2892 | Stream &s, |
| 2893 | ValueObject* valobj |
| 2894 | ) |
| 2895 | { |
| 2896 | bool use_color = exe_ctx ? exe_ctx->GetTargetRef().GetDebugger().GetUseColor() : true; |
| 2897 | std::string format_str = lldb_utility::ansi::FormatAnsiTerminalCodes (format, use_color); |
| 2898 | if (format_str.length()) |
| 2899 | format = format_str.c_str(); |
| 2900 | return FormatPromptRecurse (format, sc, exe_ctx, addr, s, NULL__null, valobj, false, false); |
| 2901 | } |
| 2902 | |
| 2903 | bool |
| 2904 | Debugger::FormatDisassemblerAddress (const char *format, |
| 2905 | const SymbolContext *sc, |
| 2906 | const SymbolContext *prev_sc, |
| 2907 | const ExecutionContext *exe_ctx, |
| 2908 | const Address *addr, |
| 2909 | Stream &s) |
| 2910 | { |
| 2911 | if (format == NULL__null && exe_ctx != NULL__null && exe_ctx->HasTargetScope()) |
| 2912 | { |
| 2913 | format = exe_ctx->GetTargetRef().GetDebugger().GetDisassemblyFormat(); |
| 2914 | } |
| 2915 | bool function_changed = false; |
| 2916 | bool initial_function = false; |
| 2917 | if (prev_sc && (prev_sc->function || prev_sc->symbol)) |
| 2918 | { |
| 2919 | if (sc && (sc->function || sc->symbol)) |
| 2920 | { |
| 2921 | if (prev_sc->symbol && sc->symbol) |
| 2922 | { |
| 2923 | if (!sc->symbol->Compare (prev_sc->symbol->GetName(), prev_sc->symbol->GetType())) |
| 2924 | { |
| 2925 | function_changed = true; |
| 2926 | } |
| 2927 | } |
| 2928 | else if (prev_sc->function && sc->function) |
| 2929 | { |
| 2930 | if (prev_sc->function->GetMangled() != sc->function->GetMangled()) |
| 2931 | { |
| 2932 | function_changed = true; |
| 2933 | } |
| 2934 | } |
| 2935 | } |
| 2936 | } |
| 2937 | // The first context on a list of instructions will have a prev_sc that |
| 2938 | // has no Function or Symbol -- if SymbolContext had an IsValid() method, it |
| 2939 | // would return false. But we do get a prev_sc pointer. |
| 2940 | if ((sc && (sc->function || sc->symbol)) |
| 2941 | && prev_sc && (prev_sc->function == NULL__null && prev_sc->symbol == NULL__null)) |
| 2942 | { |
| 2943 | initial_function = true; |
| 2944 | } |
| 2945 | return FormatPromptRecurse (format, sc, exe_ctx, addr, s, NULL__null, NULL__null, function_changed, initial_function); |
| 2946 | } |
| 2947 | |
| 2948 | |
| 2949 | void |
| 2950 | Debugger::SetLoggingCallback (lldb::LogOutputCallback log_callback, void *baton) |
| 2951 | { |
| 2952 | // For simplicity's sake, I am not going to deal with how to close down any |
| 2953 | // open logging streams, I just redirect everything from here on out to the |
| 2954 | // callback. |
| 2955 | m_log_callback_stream_sp.reset (new StreamCallback (log_callback, baton)); |
| 2956 | } |
| 2957 | |
| 2958 | bool |
| 2959 | Debugger::EnableLog (const char *channel, const char **categories, const char *log_file, uint32_t log_options, Stream &error_stream) |
| 2960 | { |
| 2961 | Log::Callbacks log_callbacks; |
| 2962 | |
| 2963 | StreamSP log_stream_sp; |
| 2964 | if (m_log_callback_stream_sp) |
| 2965 | { |
| 2966 | log_stream_sp = m_log_callback_stream_sp; |
| 2967 | // For now when using the callback mode you always get thread & timestamp. |
| 2968 | log_options |= LLDB_LOG_OPTION_PREPEND_TIMESTAMP(1u << 4) | LLDB_LOG_OPTION_PREPEND_THREAD_NAME(1U << 6); |
| 2969 | } |
| 2970 | else if (log_file == NULL__null || *log_file == '\0') |
| 2971 | { |
| 2972 | log_stream_sp = GetOutputFile(); |
| 2973 | } |
| 2974 | else |
| 2975 | { |
| 2976 | LogStreamMap::iterator pos = m_log_streams.find(log_file); |
| 2977 | if (pos != m_log_streams.end()) |
| 2978 | log_stream_sp = pos->second.lock(); |
| 2979 | if (!log_stream_sp) |
| 2980 | { |
| 2981 | log_stream_sp.reset (new StreamFile (log_file)); |
| 2982 | m_log_streams[log_file] = log_stream_sp; |
| 2983 | } |
| 2984 | } |
| 2985 | assert (log_stream_sp.get())((log_stream_sp.get()) ? static_cast<void> (0) : __assert_fail ("log_stream_sp.get()", "/tmp/buildd/llvm-toolchain-snapshot-3.7~svn227765/tools/lldb/source/Core/Debugger.cpp" , 2985, __PRETTY_FUNCTION__)); |
| 2986 | |
| 2987 | if (log_options == 0) |
| 2988 | log_options = LLDB_LOG_OPTION_PREPEND_THREAD_NAME(1U << 6) | LLDB_LOG_OPTION_THREADSAFE(1u << 0); |
| 2989 | |
| 2990 | if (Log::GetLogChannelCallbacks (ConstString(channel), log_callbacks)) |
| 2991 | { |
| 2992 | log_callbacks.enable (log_stream_sp, log_options, categories, &error_stream); |
| 2993 | return true; |
| 2994 | } |
| 2995 | else |
| 2996 | { |
| 2997 | LogChannelSP log_channel_sp (LogChannel::FindPlugin (channel)); |
| 2998 | if (log_channel_sp) |
| 2999 | { |
| 3000 | if (log_channel_sp->Enable (log_stream_sp, log_options, &error_stream, categories)) |
| 3001 | { |
| 3002 | return true; |
| 3003 | } |
| 3004 | else |
| 3005 | { |
| 3006 | error_stream.Printf ("Invalid log channel '%s'.\n", channel); |
| 3007 | return false; |
| 3008 | } |
| 3009 | } |
| 3010 | else |
| 3011 | { |
| 3012 | error_stream.Printf ("Invalid log channel '%s'.\n", channel); |
| 3013 | return false; |
| 3014 | } |
| 3015 | } |
| 3016 | return false; |
| 3017 | } |
| 3018 | |
| 3019 | SourceManager & |
| 3020 | Debugger::GetSourceManager () |
| 3021 | { |
| 3022 | if (m_source_manager_ap.get() == NULL__null) |
| 3023 | m_source_manager_ap.reset (new SourceManager (shared_from_this())); |
| 3024 | return *m_source_manager_ap; |
| 3025 | } |
| 3026 | |
| 3027 | |
| 3028 | |
| 3029 | // This function handles events that were broadcast by the process. |
| 3030 | void |
| 3031 | Debugger::HandleBreakpointEvent (const EventSP &event_sp) |
| 3032 | { |
| 3033 | using namespace lldb; |
| 3034 | const uint32_t event_type = Breakpoint::BreakpointEventData::GetBreakpointEventTypeFromEvent (event_sp); |
| 3035 | |
| 3036 | // if (event_type & eBreakpointEventTypeAdded |
| 3037 | // || event_type & eBreakpointEventTypeRemoved |
| 3038 | // || event_type & eBreakpointEventTypeEnabled |
| 3039 | // || event_type & eBreakpointEventTypeDisabled |
| 3040 | // || event_type & eBreakpointEventTypeCommandChanged |
| 3041 | // || event_type & eBreakpointEventTypeConditionChanged |
| 3042 | // || event_type & eBreakpointEventTypeIgnoreChanged |
| 3043 | // || event_type & eBreakpointEventTypeLocationsResolved) |
| 3044 | // { |
| 3045 | // // Don't do anything about these events, since the breakpoint commands already echo these actions. |
| 3046 | // } |
| 3047 | // |
| 3048 | if (event_type & eBreakpointEventTypeLocationsAdded) |
| 3049 | { |
| 3050 | uint32_t num_new_locations = Breakpoint::BreakpointEventData::GetNumBreakpointLocationsFromEvent(event_sp); |
| 3051 | if (num_new_locations > 0) |
| 3052 | { |
| 3053 | BreakpointSP breakpoint = Breakpoint::BreakpointEventData::GetBreakpointFromEvent(event_sp); |
| 3054 | StreamFileSP output_sp (GetOutputFile()); |
| 3055 | if (output_sp) |
| 3056 | { |
| 3057 | output_sp->Printf("%d location%s added to breakpoint %d\n", |
| 3058 | num_new_locations, |
| 3059 | num_new_locations == 1 ? "" : "s", |
| 3060 | breakpoint->GetID()); |
| 3061 | RefreshTopIOHandler(); |
| 3062 | } |
| 3063 | } |
| 3064 | } |
| 3065 | // else if (event_type & eBreakpointEventTypeLocationsRemoved) |
| 3066 | // { |
| 3067 | // // These locations just get disabled, not sure it is worth spamming folks about this on the command line. |
| 3068 | // } |
| 3069 | // else if (event_type & eBreakpointEventTypeLocationsResolved) |
| 3070 | // { |
| 3071 | // // This might be an interesting thing to note, but I'm going to leave it quiet for now, it just looked noisy. |
| 3072 | // } |
| 3073 | } |
| 3074 | |
| 3075 | size_t |
| 3076 | Debugger::GetProcessSTDOUT (Process *process, Stream *stream) |
| 3077 | { |
| 3078 | size_t total_bytes = 0; |
| 3079 | if (stream == NULL__null) |
| 3080 | stream = GetOutputFile().get(); |
| 3081 | |
| 3082 | if (stream) |
| 3083 | { |
| 3084 | // The process has stuff waiting for stdout; get it and write it out to the appropriate place. |
| 3085 | if (process == NULL__null) |
| 3086 | { |
| 3087 | TargetSP target_sp = GetTargetList().GetSelectedTarget(); |
| 3088 | if (target_sp) |
| 3089 | process = target_sp->GetProcessSP().get(); |
| 3090 | } |
| 3091 | if (process) |
| 3092 | { |
| 3093 | Error error; |
| 3094 | size_t len; |
| 3095 | char stdio_buffer[1024]; |
| 3096 | while ((len = process->GetSTDOUT (stdio_buffer, sizeof (stdio_buffer), error)) > 0) |
| 3097 | { |
| 3098 | stream->Write(stdio_buffer, len); |
| 3099 | total_bytes += len; |
| 3100 | } |
| 3101 | } |
| 3102 | stream->Flush(); |
| 3103 | } |
| 3104 | return total_bytes; |
| 3105 | } |
| 3106 | |
| 3107 | size_t |
| 3108 | Debugger::GetProcessSTDERR (Process *process, Stream *stream) |
| 3109 | { |
| 3110 | size_t total_bytes = 0; |
| 3111 | if (stream == NULL__null) |
| 3112 | stream = GetOutputFile().get(); |
| 3113 | |
| 3114 | if (stream) |
| 3115 | { |
| 3116 | // The process has stuff waiting for stderr; get it and write it out to the appropriate place. |
| 3117 | if (process == NULL__null) |
| 3118 | { |
| 3119 | TargetSP target_sp = GetTargetList().GetSelectedTarget(); |
| 3120 | if (target_sp) |
| 3121 | process = target_sp->GetProcessSP().get(); |
| 3122 | } |
| 3123 | if (process) |
| 3124 | { |
| 3125 | Error error; |
| 3126 | size_t len; |
| 3127 | char stdio_buffer[1024]; |
| 3128 | while ((len = process->GetSTDERR (stdio_buffer, sizeof (stdio_buffer), error)) > 0) |
| 3129 | { |
| 3130 | stream->Write(stdio_buffer, len); |
| 3131 | total_bytes += len; |
| 3132 | } |
| 3133 | } |
| 3134 | stream->Flush(); |
| 3135 | } |
| 3136 | return total_bytes; |
| 3137 | } |
| 3138 | |
| 3139 | |
| 3140 | // This function handles events that were broadcast by the process. |
| 3141 | void |
| 3142 | Debugger::HandleProcessEvent (const EventSP &event_sp) |
| 3143 | { |
| 3144 | using namespace lldb; |
| 3145 | const uint32_t event_type = event_sp->GetType(); |
| 3146 | ProcessSP process_sp = Process::ProcessEventData::GetProcessFromEvent(event_sp.get()); |
| 3147 | |
| 3148 | StreamString output_stream; |
| 3149 | StreamString error_stream; |
| 3150 | const bool gui_enabled = IsForwardingEvents(); |
| 3151 | |
| 3152 | if (!gui_enabled) |
| 3153 | { |
| 3154 | bool pop_process_io_handler = false; |
| 3155 | assert (process_sp)((process_sp) ? static_cast<void> (0) : __assert_fail ( "process_sp", "/tmp/buildd/llvm-toolchain-snapshot-3.7~svn227765/tools/lldb/source/Core/Debugger.cpp" , 3155, __PRETTY_FUNCTION__)); |
| 3156 | |
| 3157 | if (event_type & Process::eBroadcastBitSTDOUT || event_type & Process::eBroadcastBitStateChanged) |
| 3158 | { |
| 3159 | GetProcessSTDOUT (process_sp.get(), &output_stream); |
| 3160 | } |
| 3161 | |
| 3162 | if (event_type & Process::eBroadcastBitSTDERR || event_type & Process::eBroadcastBitStateChanged) |
| 3163 | { |
| 3164 | GetProcessSTDERR (process_sp.get(), &error_stream); |
| 3165 | } |
| 3166 | |
| 3167 | if (event_type & Process::eBroadcastBitStateChanged) |
| 3168 | { |
| 3169 | Process::HandleProcessStateChangedEvent (event_sp, &output_stream, pop_process_io_handler); |
| 3170 | } |
| 3171 | |
| 3172 | if (output_stream.GetSize() || error_stream.GetSize()) |
| 3173 | { |
| 3174 | StreamFileSP error_stream_sp (GetOutputFile()); |
| 3175 | bool top_io_handler_hid = false; |
| 3176 | |
| 3177 | if (process_sp->ProcessIOHandlerIsActive() == false) |
| 3178 | top_io_handler_hid = HideTopIOHandler(); |
| 3179 | |
| 3180 | if (output_stream.GetSize()) |
| 3181 | { |
| 3182 | StreamFileSP output_stream_sp (GetOutputFile()); |
| 3183 | if (output_stream_sp) |
| 3184 | output_stream_sp->Write (output_stream.GetData(), output_stream.GetSize()); |
| 3185 | } |
| 3186 | |
| 3187 | if (error_stream.GetSize()) |
| 3188 | { |
| 3189 | StreamFileSP error_stream_sp (GetErrorFile()); |
| 3190 | if (error_stream_sp) |
| 3191 | error_stream_sp->Write (error_stream.GetData(), error_stream.GetSize()); |
| 3192 | } |
| 3193 | |
| 3194 | if (top_io_handler_hid) |
| 3195 | RefreshTopIOHandler(); |
| 3196 | } |
| 3197 | |
| 3198 | if (pop_process_io_handler) |
| 3199 | process_sp->PopProcessIOHandler(); |
| 3200 | } |
| 3201 | } |
| 3202 | |
| 3203 | void |
| 3204 | Debugger::HandleThreadEvent (const EventSP &event_sp) |
| 3205 | { |
| 3206 | // At present the only thread event we handle is the Frame Changed event, |
| 3207 | // and all we do for that is just reprint the thread status for that thread. |
| 3208 | using namespace lldb; |
| 3209 | const uint32_t event_type = event_sp->GetType(); |
| 3210 | if (event_type == Thread::eBroadcastBitStackChanged || |
| 3211 | event_type == Thread::eBroadcastBitThreadSelected ) |
| 3212 | { |
| 3213 | ThreadSP thread_sp (Thread::ThreadEventData::GetThreadFromEvent (event_sp.get())); |
| 3214 | if (thread_sp) |
| 3215 | { |
| 3216 | HideTopIOHandler(); |
| 3217 | StreamFileSP stream_sp (GetOutputFile()); |
| 3218 | thread_sp->GetStatus(*stream_sp, 0, 1, 1); |
| 3219 | RefreshTopIOHandler(); |
| 3220 | } |
| 3221 | } |
| 3222 | } |
| 3223 | |
| 3224 | bool |
| 3225 | Debugger::IsForwardingEvents () |
| 3226 | { |
| 3227 | return (bool)m_forward_listener_sp; |
| 3228 | } |
| 3229 | |
| 3230 | void |
| 3231 | Debugger::EnableForwardEvents (const ListenerSP &listener_sp) |
| 3232 | { |
| 3233 | m_forward_listener_sp = listener_sp; |
| 3234 | } |
| 3235 | |
| 3236 | void |
| 3237 | Debugger::CancelForwardEvents (const ListenerSP &listener_sp) |
| 3238 | { |
| 3239 | m_forward_listener_sp.reset(); |
| 3240 | } |
| 3241 | |
| 3242 | |
| 3243 | void |
| 3244 | Debugger::DefaultEventHandler() |
| 3245 | { |
| 3246 | Listener& listener(GetListener()); |
| 3247 | ConstString broadcaster_class_target(Target::GetStaticBroadcasterClass()); |
| 3248 | ConstString broadcaster_class_process(Process::GetStaticBroadcasterClass()); |
| 3249 | ConstString broadcaster_class_thread(Thread::GetStaticBroadcasterClass()); |
| 3250 | BroadcastEventSpec target_event_spec (broadcaster_class_target, |
| 3251 | Target::eBroadcastBitBreakpointChanged); |
| 3252 | |
| 3253 | BroadcastEventSpec process_event_spec (broadcaster_class_process, |
| 3254 | Process::eBroadcastBitStateChanged | |
| 3255 | Process::eBroadcastBitSTDOUT | |
| 3256 | Process::eBroadcastBitSTDERR); |
| 3257 | |
| 3258 | BroadcastEventSpec thread_event_spec (broadcaster_class_thread, |
| 3259 | Thread::eBroadcastBitStackChanged | |
| 3260 | Thread::eBroadcastBitThreadSelected ); |
| 3261 | |
| 3262 | listener.StartListeningForEventSpec (*this, target_event_spec); |
| 3263 | listener.StartListeningForEventSpec (*this, process_event_spec); |
| 3264 | listener.StartListeningForEventSpec (*this, thread_event_spec); |
| 3265 | listener.StartListeningForEvents (m_command_interpreter_ap.get(), |
| 3266 | CommandInterpreter::eBroadcastBitQuitCommandReceived | |
| 3267 | CommandInterpreter::eBroadcastBitAsynchronousOutputData | |
| 3268 | CommandInterpreter::eBroadcastBitAsynchronousErrorData ); |
| 3269 | |
| 3270 | // Let the thread that spawned us know that we have started up and |
| 3271 | // that we are now listening to all required events so no events get missed |
| 3272 | m_sync_broadcaster.BroadcastEvent(eBroadcastBitEventThreadIsListening); |
| 3273 | |
| 3274 | bool done = false; |
| 3275 | while (!done) |
| 3276 | { |
| 3277 | EventSP event_sp; |
| 3278 | if (listener.WaitForEvent(NULL__null, event_sp)) |
| 3279 | { |
| 3280 | if (event_sp) |
| 3281 | { |
| 3282 | Broadcaster *broadcaster = event_sp->GetBroadcaster(); |
| 3283 | if (broadcaster) |
| 3284 | { |
| 3285 | uint32_t event_type = event_sp->GetType(); |
| 3286 | ConstString broadcaster_class (broadcaster->GetBroadcasterClass()); |
| 3287 | if (broadcaster_class == broadcaster_class_process) |
| 3288 | { |
| 3289 | HandleProcessEvent (event_sp); |
| 3290 | } |
| 3291 | else if (broadcaster_class == broadcaster_class_target) |
| 3292 | { |
| 3293 | if (Breakpoint::BreakpointEventData::GetEventDataFromEvent(event_sp.get())) |
| 3294 | { |
| 3295 | HandleBreakpointEvent (event_sp); |
| 3296 | } |
| 3297 | } |
| 3298 | else if (broadcaster_class == broadcaster_class_thread) |
| 3299 | { |
| 3300 | HandleThreadEvent (event_sp); |
| 3301 | } |
| 3302 | else if (broadcaster == m_command_interpreter_ap.get()) |
| 3303 | { |
| 3304 | if (event_type & CommandInterpreter::eBroadcastBitQuitCommandReceived) |
| 3305 | { |
| 3306 | done = true; |
| 3307 | } |
| 3308 | else if (event_type & CommandInterpreter::eBroadcastBitAsynchronousErrorData) |
| 3309 | { |
| 3310 | const char *data = reinterpret_cast<const char *>(EventDataBytes::GetBytesFromEvent (event_sp.get())); |
| 3311 | if (data && data[0]) |
| 3312 | { |
| 3313 | StreamFileSP error_sp (GetErrorFile()); |
| 3314 | if (error_sp) |
| 3315 | { |
| 3316 | HideTopIOHandler(); |
| 3317 | error_sp->PutCString(data); |
| 3318 | error_sp->Flush(); |
| 3319 | RefreshTopIOHandler(); |
| 3320 | } |
| 3321 | } |
| 3322 | } |
| 3323 | else if (event_type & CommandInterpreter::eBroadcastBitAsynchronousOutputData) |
| 3324 | { |
| 3325 | const char *data = reinterpret_cast<const char *>(EventDataBytes::GetBytesFromEvent (event_sp.get())); |
| 3326 | if (data && data[0]) |
| 3327 | { |
| 3328 | StreamFileSP output_sp (GetOutputFile()); |
| 3329 | if (output_sp) |
| 3330 | { |
| 3331 | HideTopIOHandler(); |
| 3332 | output_sp->PutCString(data); |
| 3333 | output_sp->Flush(); |
| 3334 | RefreshTopIOHandler(); |
| 3335 | } |
| 3336 | } |
| 3337 | } |
| 3338 | } |
| 3339 | } |
| 3340 | |
| 3341 | if (m_forward_listener_sp) |
| 3342 | m_forward_listener_sp->AddEvent(event_sp); |
| 3343 | } |
| 3344 | } |
| 3345 | } |
| 3346 | } |
| 3347 | |
| 3348 | lldb::thread_result_t |
| 3349 | Debugger::EventHandlerThread (lldb::thread_arg_t arg) |
| 3350 | { |
| 3351 | ((Debugger *)arg)->DefaultEventHandler(); |
| 3352 | return NULL__null; |
| 3353 | } |
| 3354 | |
| 3355 | bool |
| 3356 | Debugger::StartEventHandlerThread() |
| 3357 | { |
| 3358 | if (!m_event_handler_thread.IsJoinable()) |
| 3359 | { |
| 3360 | // We must synchronize with the DefaultEventHandler() thread to ensure |
| 3361 | // it is up and running and listening to events before we return from |
| 3362 | // this function. We do this by listening to events for the |
| 3363 | // eBroadcastBitEventThreadIsListening from the m_sync_broadcaster |
| 3364 | Listener listener("lldb.debugger.event-handler"); |
| 3365 | listener.StartListeningForEvents(&m_sync_broadcaster, eBroadcastBitEventThreadIsListening); |
| 3366 | |
| 3367 | // Use larger 8MB stack for this thread |
| 3368 | m_event_handler_thread = ThreadLauncher::LaunchThread("lldb.debugger.event-handler", EventHandlerThread, |
| 3369 | this, |
| 3370 | NULL__null, |
| 3371 | g_debugger_event_thread_stack_bytes); |
| 3372 | |
| 3373 | // Make sure DefaultEventHandler() is running and listening to events before we return |
| 3374 | // from this function. We are only listening for events of type |
| 3375 | // eBroadcastBitEventThreadIsListening so we don't need to check the event, we just need |
| 3376 | // to wait an infinite amount of time for it (NULL timeout as the first parameter) |
| 3377 | lldb::EventSP event_sp; |
| 3378 | listener.WaitForEvent(NULL__null, event_sp); |
| 3379 | } |
| 3380 | return m_event_handler_thread.IsJoinable(); |
| 3381 | } |
| 3382 | |
| 3383 | void |
| 3384 | Debugger::StopEventHandlerThread() |
| 3385 | { |
| 3386 | if (m_event_handler_thread.IsJoinable()) |
| 3387 | { |
| 3388 | GetCommandInterpreter().BroadcastEvent(CommandInterpreter::eBroadcastBitQuitCommandReceived); |
| 3389 | m_event_handler_thread.Join(nullptr); |
| 3390 | } |
| 3391 | } |
| 3392 | |
| 3393 | |
| 3394 | lldb::thread_result_t |
| 3395 | Debugger::IOHandlerThread (lldb::thread_arg_t arg) |
| 3396 | { |
| 3397 | Debugger *debugger = (Debugger *)arg; |
| 3398 | debugger->ExecuteIOHanders(); |
| 3399 | debugger->StopEventHandlerThread(); |
| 3400 | return NULL__null; |
| 3401 | } |
| 3402 | |
| 3403 | bool |
| 3404 | Debugger::StartIOHandlerThread() |
| 3405 | { |
| 3406 | if (!m_io_handler_thread.IsJoinable()) |
| 3407 | m_io_handler_thread = ThreadLauncher::LaunchThread ("lldb.debugger.io-handler", |
| 3408 | IOHandlerThread, |
| 3409 | this, |
| 3410 | NULL__null, |
| 3411 | 8*1024*1024); // Use larger 8MB stack for this thread |
| 3412 | return m_io_handler_thread.IsJoinable(); |
| 3413 | } |
| 3414 | |
| 3415 | void |
| 3416 | Debugger::StopIOHandlerThread() |
| 3417 | { |
| 3418 | if (m_io_handler_thread.IsJoinable()) |
| 3419 | { |
| 3420 | if (m_input_file_sp) |
| 3421 | m_input_file_sp->GetFile().Close(); |
| 3422 | m_io_handler_thread.Join(nullptr); |
| 3423 | } |
| 3424 | } |
| 3425 | |
| 3426 | Target * |
| 3427 | Debugger::GetDummyTarget() |
| 3428 | { |
| 3429 | return m_target_list.GetDummyTarget (*this).get(); |
| 3430 | } |
| 3431 | |
| 3432 | Target * |
| 3433 | Debugger::GetSelectedOrDummyTarget(bool prefer_dummy) |
| 3434 | { |
| 3435 | Target *target = nullptr; |
| 3436 | if (!prefer_dummy) |
| 3437 | { |
| 3438 | target = m_target_list.GetSelectedTarget().get(); |
| 3439 | if (target) |
| 3440 | return target; |
| 3441 | } |
| 3442 | |
| 3443 | return GetDummyTarget(); |
| 3444 | } |
| 3445 |