bool DoExecute(Args &args, CommandReturnObject &result) override {
if (args.empty()) {
result.AppendErrorWithFormat(
"%s takes a log channel and one or more log types.\n",
m_cmd_name.c_str());
return false;
}
Log::Callbacks log_callbacks;
const std::string channel = args.GetArgumentAtIndex(0);
args.Shift(); // Shift off the channel
if (Log::GetLogChannelCallbacks(ConstString(channel), log_callbacks)) {
log_callbacks.disable(args.GetConstArgumentVector(),
&result.GetErrorStream());
result.SetStatus(eReturnStatusSuccessFinishNoResult);
} else if (channel == "all") {
Log::DisableAllLogChannels(&result.GetErrorStream());
} else {
LogChannelSP log_channel_sp(LogChannel::FindPlugin(channel.data()));
if (log_channel_sp) {
log_channel_sp->Disable(args.GetConstArgumentVector(),
&result.GetErrorStream());
result.SetStatus(eReturnStatusSuccessFinishNoResult);
} else
result.AppendErrorWithFormat("Invalid log channel '%s'.\n",
channel.data());
}
return result.Succeeded();
}
virtual bool
DoExecute (Args& args,
CommandReturnObject &result)
{
if (args.GetArgumentCount() < 2)
{
result.AppendErrorWithFormat("%s takes a log channel and one or more log types.\n", m_cmd_name.c_str());
}
else
{
std::string channel(args.GetArgumentAtIndex(0));
args.Shift (); // Shift off the channel
char log_file[PATH_MAX];
if (m_options.log_file)
m_options.log_file.GetPath(log_file, sizeof(log_file));
else
log_file[0] = '\0';
bool success = m_interpreter.GetDebugger().EnableLog (channel.c_str(),
args.GetConstArgumentVector(),
log_file,
m_options.log_options,
result.GetErrorStream());
if (success)
result.SetStatus (eReturnStatusSuccessFinishNoResult);
else
result.SetStatus (eReturnStatusFailed);
}
return result.Succeeded();
}
bool
CommandObject::ParseOptions
(
CommandInterpreter &interpreter,
Args& args,
CommandReturnObject &result
)
{
// See if the subclass has options?
Options *options = GetOptions();
if (options != NULL)
{
Error error;
options->ResetOptionValues();
// ParseOptions calls getopt_long, which always skips the zero'th item in the array and starts at position 1,
// so we need to push a dummy value into position zero.
args.Unshift("dummy_string");
error = args.ParseOptions (*options);
// The "dummy_string" will have already been removed by ParseOptions,
// so no need to remove it.
if (error.Fail() || !options->VerifyOptions (result))
{
const char *error_cstr = error.AsCString();
if (error_cstr)
{
// We got an error string, lets use that
result.GetErrorStream().PutCString(error_cstr);
}
else
{
// No error string, output the usage information into result
options->GenerateOptionUsage (result.GetErrorStream(), this);
}
// Set the return status to failed (this was an error).
result.SetStatus (eReturnStatusFailed);
return false;
}
}
return true;
}
virtual bool
Execute (Args& args,
CommandReturnObject &result)
{
const size_t argc = args.GetArgumentCount();
if (argc == 0)
{
result.AppendErrorWithFormat("Usage: %s\n", m_cmd_syntax.c_str());
}
else
{
Log::Callbacks log_callbacks;
std::string channel(args.GetArgumentAtIndex(0));
args.Shift (); // Shift off the channel
if (Log::GetLogChannelCallbacks (channel.c_str(), log_callbacks))
{
log_callbacks.disable (args, &result.GetErrorStream());
result.SetStatus(eReturnStatusSuccessFinishNoResult);
}
else if (channel == "all")
{
Log::DisableAllLogChannels(&result.GetErrorStream());
}
else
{
LogChannelSP log_channel_sp (LogChannel::FindPlugin(channel.c_str()));
if (log_channel_sp)
{
log_channel_sp->Disable(args, &result.GetErrorStream());
result.SetStatus(eReturnStatusSuccessFinishNoResult);
}
else
result.AppendErrorWithFormat("Invalid log channel '%s'.\n", args.GetArgumentAtIndex(0));
}
}
return result.Succeeded();
}
virtual bool
Execute (CommandInterpreter &interpreter,
Args& args,
CommandReturnObject &result)
{
const size_t argc = args.GetArgumentCount();
if (argc == 0)
{
result.GetErrorStream() << m_cmd_syntax.c_str();
}
else
{
for (size_t i=0; i<argc; ++i)
{
Log::Callbacks log_callbacks;
std::string channel(args.GetArgumentAtIndex(i));
if (Log::GetLogChannelCallbacks (channel.c_str(), log_callbacks))
{
log_callbacks.disable ();
result.SetStatus(eReturnStatusSuccessFinishNoResult);
}
else if (channel == "all")
{
Log::DisableAllLogChannels();
}
else
{
LogChannelSP log_channel_sp (GetLogChannelPluginForChannel(channel.c_str()));
if (log_channel_sp)
{
log_channel_sp->Disable();
result.SetStatus(eReturnStatusSuccessFinishNoResult);
}
else
result.AppendErrorWithFormat("Invalid log channel '%s'.\n", args.GetArgumentAtIndex(0));
}
}
}
return result.Succeeded();
}
bool DoExecute(Args &command, CommandReturnObject &result) override {
// No need to check "frame" for validity as eCommandRequiresFrame ensures it
// is valid
StackFrame *frame = m_exe_ctx.GetFramePtr();
Stream &s = result.GetOutputStream();
// Be careful about the stack frame, if any summary formatter runs code, it
// might clear the StackFrameList
// for the thread. So hold onto a shared pointer to the frame so it stays
// alive.
VariableList *variable_list =
frame->GetVariableList(m_option_variable.show_globals);
VariableSP var_sp;
ValueObjectSP valobj_sp;
const char *name_cstr = nullptr;
size_t idx;
TypeSummaryImplSP summary_format_sp;
if (!m_option_variable.summary.IsCurrentValueEmpty())
DataVisualization::NamedSummaryFormats::GetSummaryFormat(
ConstString(m_option_variable.summary.GetCurrentValue()),
summary_format_sp);
else if (!m_option_variable.summary_string.IsCurrentValueEmpty())
summary_format_sp.reset(new StringSummaryFormat(
TypeSummaryImpl::Flags(),
m_option_variable.summary_string.GetCurrentValue()));
DumpValueObjectOptions options(m_varobj_options.GetAsDumpOptions(
eLanguageRuntimeDescriptionDisplayVerbosityFull, eFormatDefault,
summary_format_sp));
const SymbolContext &sym_ctx =
frame->GetSymbolContext(eSymbolContextFunction);
if (sym_ctx.function && sym_ctx.function->IsTopLevelFunction())
m_option_variable.show_globals = true;
if (variable_list) {
const Format format = m_option_format.GetFormat();
options.SetFormat(format);
if (!command.empty()) {
VariableList regex_var_list;
// If we have any args to the variable command, we will make
// variable objects from them...
for (idx = 0; (name_cstr = command.GetArgumentAtIndex(idx)) != nullptr;
++idx) {
if (m_option_variable.use_regex) {
const size_t regex_start_index = regex_var_list.GetSize();
llvm::StringRef name_str(name_cstr);
RegularExpression regex(name_str);
if (regex.Compile(name_str)) {
size_t num_matches = 0;
const size_t num_new_regex_vars =
variable_list->AppendVariablesIfUnique(regex, regex_var_list,
num_matches);
if (num_new_regex_vars > 0) {
for (size_t regex_idx = regex_start_index,
end_index = regex_var_list.GetSize();
regex_idx < end_index; ++regex_idx) {
var_sp = regex_var_list.GetVariableAtIndex(regex_idx);
if (var_sp) {
valobj_sp = frame->GetValueObjectForFrameVariable(
var_sp, m_varobj_options.use_dynamic);
if (valobj_sp) {
// if (format
// !=
// eFormatDefault)
// valobj_sp->SetFormat
// (format);
std::string scope_string;
if (m_option_variable.show_scope)
scope_string = GetScopeString(var_sp).str();
if (!scope_string.empty())
s.PutCString(scope_string);
if (m_option_variable.show_decl &&
var_sp->GetDeclaration().GetFile()) {
bool show_fullpaths = false;
bool show_module = true;
if (var_sp->DumpDeclaration(&s, show_fullpaths,
show_module))
s.PutCString(": ");
}
valobj_sp->Dump(result.GetOutputStream(), options);
}
}
}
} else if (num_matches == 0) {
result.GetErrorStream().Printf("error: no variables matched "
"the regular expression '%s'.\n",
name_cstr);
}
} else {
char regex_error[1024];
if (regex.GetErrorAsCString(regex_error, sizeof(regex_error)))
result.GetErrorStream().Printf("error: %s\n", regex_error);
else
result.GetErrorStream().Printf(
"error: unknown regex error when compiling '%s'\n",
name_cstr);
}
} else // No regex, either exact variable names or variable
// expressions.
{
Error error;
uint32_t expr_path_options =
StackFrame::eExpressionPathOptionCheckPtrVsMember |
StackFrame::eExpressionPathOptionsAllowDirectIVarAccess |
StackFrame::eExpressionPathOptionsInspectAnonymousUnions;
lldb::VariableSP var_sp;
valobj_sp = frame->GetValueForVariableExpressionPath(
name_cstr, m_varobj_options.use_dynamic, expr_path_options,
var_sp, error);
if (valobj_sp) {
std::string scope_string;
if (m_option_variable.show_scope)
scope_string = GetScopeString(var_sp).str();
if (!scope_string.empty())
s.PutCString(scope_string);
// if (format != eFormatDefault)
// valobj_sp->SetFormat (format);
if (m_option_variable.show_decl && var_sp &&
var_sp->GetDeclaration().GetFile()) {
var_sp->GetDeclaration().DumpStopContext(&s, false);
s.PutCString(": ");
}
options.SetFormat(format);
options.SetVariableFormatDisplayLanguage(
valobj_sp->GetPreferredDisplayLanguage());
Stream &output_stream = result.GetOutputStream();
options.SetRootValueObjectName(valobj_sp->GetParent() ? name_cstr
: nullptr);
valobj_sp->Dump(output_stream, options);
} else {
const char *error_cstr = error.AsCString(nullptr);
if (error_cstr)
result.GetErrorStream().Printf("error: %s\n", error_cstr);
else
result.GetErrorStream().Printf("error: unable to find any "
"variable expression path that "
"matches '%s'.\n",
name_cstr);
}
}
}
} else // No command arg specified. Use variable_list, instead.
{
const size_t num_variables = variable_list->GetSize();
if (num_variables > 0) {
for (size_t i = 0; i < num_variables; i++) {
var_sp = variable_list->GetVariableAtIndex(i);
bool dump_variable = true;
std::string scope_string;
if (dump_variable && m_option_variable.show_scope)
scope_string = GetScopeString(var_sp).str();
if (dump_variable) {
// Use the variable object code to make sure we are
// using the same APIs as the public API will be
// using...
valobj_sp = frame->GetValueObjectForFrameVariable(
var_sp, m_varobj_options.use_dynamic);
if (valobj_sp) {
// if (format != eFormatDefault)
// valobj_sp->SetFormat
// (format);
// When dumping all variables, don't print any variables
// that are not in scope to avoid extra unneeded output
if (valobj_sp->IsInScope()) {
if (!valobj_sp->GetTargetSP()
->GetDisplayRuntimeSupportValues() &&
valobj_sp->IsRuntimeSupportValue())
continue;
if (!scope_string.empty())
s.PutCString(scope_string);
if (m_option_variable.show_decl &&
var_sp->GetDeclaration().GetFile()) {
var_sp->GetDeclaration().DumpStopContext(&s, false);
s.PutCString(": ");
}
options.SetFormat(format);
options.SetVariableFormatDisplayLanguage(
valobj_sp->GetPreferredDisplayLanguage());
options.SetRootValueObjectName(name_cstr);
valobj_sp->Dump(result.GetOutputStream(), options);
}
}
}
}
}
}
result.SetStatus(eReturnStatusSuccessFinishResult);
}
if (m_interpreter.TruncationWarningNecessary()) {
result.GetOutputStream().Printf(m_interpreter.TruncationWarningText(),
m_cmd_name.c_str());
m_interpreter.TruncationWarningGiven();
}
return result.Succeeded();
}
bool DoExecute(Args &command, CommandReturnObject &result) override {
// No need to check "thread" for validity as eCommandRequiresThread ensures
// it is valid
Thread *thread = m_exe_ctx.GetThreadPtr();
uint32_t frame_idx = UINT32_MAX;
if (m_options.relative_frame_offset != INT32_MIN) {
// The one and only argument is a signed relative frame index
frame_idx = thread->GetSelectedFrameIndex();
if (frame_idx == UINT32_MAX)
frame_idx = 0;
if (m_options.relative_frame_offset < 0) {
if (static_cast<int32_t>(frame_idx) >= -m_options.relative_frame_offset)
frame_idx += m_options.relative_frame_offset;
else {
if (frame_idx == 0) {
// If you are already at the bottom of the stack, then just warn and
// don't reset the frame.
result.AppendError("Already at the bottom of the stack.");
result.SetStatus(eReturnStatusFailed);
return false;
} else
frame_idx = 0;
}
} else if (m_options.relative_frame_offset > 0) {
// I don't want "up 20" where "20" takes you past the top of the stack
// to produce
// an error, but rather to just go to the top. So I have to count the
// stack here...
const uint32_t num_frames = thread->GetStackFrameCount();
if (static_cast<int32_t>(num_frames - frame_idx) >
m_options.relative_frame_offset)
frame_idx += m_options.relative_frame_offset;
else {
if (frame_idx == num_frames - 1) {
// If we are already at the top of the stack, just warn and don't
// reset the frame.
result.AppendError("Already at the top of the stack.");
result.SetStatus(eReturnStatusFailed);
return false;
} else
frame_idx = num_frames - 1;
}
}
} else {
if (command.GetArgumentCount() == 1) {
const char *frame_idx_cstr = command.GetArgumentAtIndex(0);
bool success = false;
frame_idx =
StringConvert::ToUInt32(frame_idx_cstr, UINT32_MAX, 0, &success);
if (!success) {
result.AppendErrorWithFormat("invalid frame index argument '%s'.",
frame_idx_cstr);
result.SetStatus(eReturnStatusFailed);
return false;
}
} else if (command.GetArgumentCount() == 0) {
frame_idx = thread->GetSelectedFrameIndex();
if (frame_idx == UINT32_MAX) {
frame_idx = 0;
}
} else {
result.AppendErrorWithFormat(
"too many arguments; expected frame-index, saw '%s'.\n",
command.GetArgumentAtIndex(0));
m_options.GenerateOptionUsage(
result.GetErrorStream(), this,
GetCommandInterpreter().GetDebugger().GetTerminalWidth());
return false;
}
}
bool success = thread->SetSelectedFrameByIndexNoisily(
frame_idx, result.GetOutputStream());
if (success) {
m_exe_ctx.SetFrameSP(thread->GetSelectedFrame());
result.SetStatus(eReturnStatusSuccessFinishResult);
} else {
result.AppendErrorWithFormat("Frame index (%u) out of range.\n",
frame_idx);
result.SetStatus(eReturnStatusFailed);
}
return result.Succeeded();
}
bool
CommandObjectDisassemble::DoExecute (Args& command, CommandReturnObject &result)
{
Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get();
if (target == NULL)
{
result.AppendError ("invalid target, create a debug target using the 'target create' command");
result.SetStatus (eReturnStatusFailed);
return false;
}
if (!m_options.arch.IsValid())
m_options.arch = target->GetArchitecture();
if (!m_options.arch.IsValid())
{
result.AppendError ("use the --arch option or set the target architecure to disassemble");
result.SetStatus (eReturnStatusFailed);
return false;
}
const char *plugin_name = m_options.GetPluginName ();
const char *flavor_string = m_options.GetFlavorString();
DisassemblerSP disassembler = Disassembler::FindPlugin(m_options.arch, flavor_string, plugin_name);
if (!disassembler)
{
if (plugin_name)
{
result.AppendErrorWithFormat ("Unable to find Disassembler plug-in named '%s' that supports the '%s' architecture.\n",
plugin_name,
m_options.arch.GetArchitectureName());
}
else
result.AppendErrorWithFormat ("Unable to find Disassembler plug-in for the '%s' architecture.\n",
m_options.arch.GetArchitectureName());
result.SetStatus (eReturnStatusFailed);
return false;
}
else if (flavor_string != NULL && !disassembler->FlavorValidForArchSpec(m_options.arch, flavor_string))
result.AppendWarningWithFormat("invalid disassembler flavor \"%s\", using default.\n", flavor_string);
result.SetStatus (eReturnStatusSuccessFinishResult);
if (command.GetArgumentCount() != 0)
{
result.AppendErrorWithFormat ("\"disassemble\" arguments are specified as options.\n");
GetOptions()->GenerateOptionUsage (result.GetErrorStream(), this);
result.SetStatus (eReturnStatusFailed);
return false;
}
if (m_options.show_mixed && m_options.num_lines_context == 0)
m_options.num_lines_context = 1;
// Always show the PC in the disassembly
uint32_t options = Disassembler::eOptionMarkPCAddress;
// Mark the source line for the current PC only if we are doing mixed source and assembly
if (m_options.show_mixed)
options |= Disassembler::eOptionMarkPCSourceLine;
if (m_options.show_bytes)
options |= Disassembler::eOptionShowBytes;
if (m_options.raw)
options |= Disassembler::eOptionRawOuput;
if (!m_options.func_name.empty())
{
ConstString name(m_options.func_name.c_str());
if (Disassembler::Disassemble (m_interpreter.GetDebugger(),
m_options.arch,
plugin_name,
flavor_string,
m_exe_ctx,
name,
NULL, // Module *
m_options.num_instructions,
m_options.show_mixed ? m_options.num_lines_context : 0,
options,
result.GetOutputStream()))
{
result.SetStatus (eReturnStatusSuccessFinishResult);
}
else
{
result.AppendErrorWithFormat ("Unable to find symbol with name '%s'.\n", name.GetCString());
result.SetStatus (eReturnStatusFailed);
}
}
else
{
std::vector<AddressRange> ranges;
AddressRange range;
StackFrame *frame = m_exe_ctx.GetFramePtr();
if (m_options.frame_line)
{
if (frame == NULL)
{
result.AppendError ("Cannot disassemble around the current line without a selected frame.\n");
result.SetStatus (eReturnStatusFailed);
return false;
}
LineEntry pc_line_entry (frame->GetSymbolContext(eSymbolContextLineEntry).line_entry);
if (pc_line_entry.IsValid())
{
range = pc_line_entry.range;
}
else
{
m_options.at_pc = true; // No line entry, so just disassemble around the current pc
m_options.show_mixed = false;
}
}
else if (m_options.current_function)
{
if (frame == NULL)
{
result.AppendError ("Cannot disassemble around the current function without a selected frame.\n");
result.SetStatus (eReturnStatusFailed);
return false;
}
Symbol *symbol = frame->GetSymbolContext(eSymbolContextSymbol).symbol;
if (symbol)
{
range.GetBaseAddress() = symbol->GetAddress();
range.SetByteSize(symbol->GetByteSize());
}
}
// Did the "m_options.frame_line" find a valid range already? If so
// skip the rest...
if (range.GetByteSize() == 0)
{
if (m_options.at_pc)
{
if (frame == NULL)
{
result.AppendError ("Cannot disassemble around the current PC without a selected frame.\n");
result.SetStatus (eReturnStatusFailed);
return false;
}
range.GetBaseAddress() = frame->GetFrameCodeAddress();
if (m_options.num_instructions == 0)
{
// Disassembling at the PC always disassembles some number of instructions (not the whole function).
m_options.num_instructions = DEFAULT_DISASM_NUM_INS;
}
ranges.push_back(range);
}
else
{
range.GetBaseAddress().SetOffset (m_options.start_addr);
if (range.GetBaseAddress().IsValid())
{
if (m_options.end_addr != LLDB_INVALID_ADDRESS)
{
if (m_options.end_addr <= m_options.start_addr)
{
result.AppendErrorWithFormat ("End address before start address.\n");
result.SetStatus (eReturnStatusFailed);
return false;
}
range.SetByteSize (m_options.end_addr - m_options.start_addr);
}
ranges.push_back(range);
}
else
{
if (m_options.symbol_containing_addr != LLDB_INVALID_ADDRESS
&& target)
{
if (!target->GetSectionLoadList().IsEmpty())
{
bool failed = false;
Address symbol_containing_address;
if (target->GetSectionLoadList().ResolveLoadAddress (m_options.symbol_containing_addr, symbol_containing_address))
{
ModuleSP module_sp (symbol_containing_address.GetModule());
SymbolContext sc;
bool resolve_tail_call_address = true; // PC can be one past the address range of the function.
module_sp->ResolveSymbolContextForAddress (symbol_containing_address, eSymbolContextEverything, sc,
resolve_tail_call_address);
if (sc.function || sc.symbol)
{
sc.GetAddressRange (eSymbolContextFunction | eSymbolContextSymbol, 0, false, range);
}
else
{
failed = true;
}
}
else
{
failed = true;
}
if (failed)
{
result.AppendErrorWithFormat ("Could not find function bounds for address 0x%" PRIx64 "\n", m_options.symbol_containing_addr);
result.SetStatus (eReturnStatusFailed);
return false;
}
ranges.push_back(range);
}
else
{
for (lldb::ModuleSP module_sp : target->GetImages().Modules())
{
lldb::addr_t file_addr = m_options.symbol_containing_addr;
Address file_address;
if (module_sp->ResolveFileAddress(file_addr, file_address))
{
SymbolContext sc;
bool resolve_tail_call_address = true; // PC can be one past the address range of the function.
module_sp->ResolveSymbolContextForAddress (file_address, eSymbolContextEverything, sc, resolve_tail_call_address);
if (sc.function || sc.symbol)
{
sc.GetAddressRange (eSymbolContextFunction | eSymbolContextSymbol, 0, false, range);
ranges.push_back(range);
}
}
}
}
}
}
}
}
else
ranges.push_back(range);
if (m_options.num_instructions != 0)
{
if (ranges.size() == 0)
{
// The default action is to disassemble the current frame function.
if (frame)
{
SymbolContext sc(frame->GetSymbolContext(eSymbolContextFunction | eSymbolContextSymbol));
if (sc.function)
range.GetBaseAddress() = sc.function->GetAddressRange().GetBaseAddress();
else if (sc.symbol && sc.symbol->ValueIsAddress())
range.GetBaseAddress() = sc.symbol->GetAddress();
else
range.GetBaseAddress() = frame->GetFrameCodeAddress();
}
if (!range.GetBaseAddress().IsValid())
{
result.AppendError ("invalid frame");
result.SetStatus (eReturnStatusFailed);
return false;
}
}
bool print_sc_header = ranges.size() > 1;
for (AddressRange cur_range : ranges)
{
if (Disassembler::Disassemble (m_interpreter.GetDebugger(),
m_options.arch,
plugin_name,
flavor_string,
m_exe_ctx,
cur_range.GetBaseAddress(),
m_options.num_instructions,
m_options.show_mixed ? m_options.num_lines_context : 0,
options,
result.GetOutputStream()))
{
result.SetStatus (eReturnStatusSuccessFinishResult);
}
else
{
if (m_options.start_addr != LLDB_INVALID_ADDRESS)
result.AppendErrorWithFormat ("Failed to disassemble memory at 0x%8.8" PRIx64 ".\n", m_options.start_addr);
else if (m_options.symbol_containing_addr != LLDB_INVALID_ADDRESS)
result.AppendErrorWithFormat ("Failed to disassemble memory in function at 0x%8.8" PRIx64 ".\n", m_options.symbol_containing_addr);
result.SetStatus (eReturnStatusFailed);
}
}
if (print_sc_header)
result.AppendMessage("\n");
}
else
{
if (ranges.size() == 0)
{
// The default action is to disassemble the current frame function.
if (frame)
{
SymbolContext sc(frame->GetSymbolContext(eSymbolContextFunction | eSymbolContextSymbol));
if (sc.function)
range = sc.function->GetAddressRange();
else if (sc.symbol && sc.symbol->ValueIsAddress())
{
range.GetBaseAddress() = sc.symbol->GetAddress();
range.SetByteSize (sc.symbol->GetByteSize());
}
else
range.GetBaseAddress() = frame->GetFrameCodeAddress();
}
else
{
result.AppendError ("invalid frame");
result.SetStatus (eReturnStatusFailed);
return false;
}
ranges.push_back(range);
}
bool print_sc_header = ranges.size() > 1;
for (AddressRange cur_range : ranges)
{
if (cur_range.GetByteSize() == 0)
cur_range.SetByteSize(DEFAULT_DISASM_BYTE_SIZE);
if (Disassembler::Disassemble (m_interpreter.GetDebugger(),
m_options.arch,
plugin_name,
flavor_string,
m_exe_ctx,
cur_range,
m_options.num_instructions,
m_options.show_mixed ? m_options.num_lines_context : 0,
options,
result.GetOutputStream()))
{
result.SetStatus (eReturnStatusSuccessFinishResult);
}
else
{
result.AppendErrorWithFormat ("Failed to disassemble memory at 0x%8.8" PRIx64 ".\n", m_options.start_addr);
result.SetStatus (eReturnStatusFailed);
}
if (print_sc_header)
result.AppendMessage("\n");
}
}
}
return result.Succeeded();
}
virtual bool
DoExecute (Args& command, CommandReturnObject &result)
{
ExecutionContext exe_ctx(m_interpreter.GetExecutionContext());
StackFrame *frame = exe_ctx.GetFramePtr();
if (frame == NULL)
{
result.AppendError ("you must be stopped in a valid stack frame to view frame variables.");
result.SetStatus (eReturnStatusFailed);
return false;
}
Stream &s = result.GetOutputStream();
bool get_file_globals = true;
// Be careful about the stack frame, if any summary formatter runs code, it might clear the StackFrameList
// for the thread. So hold onto a shared pointer to the frame so it stays alive.
VariableList *variable_list = frame->GetVariableList (get_file_globals);
VariableSP var_sp;
ValueObjectSP valobj_sp;
const char *name_cstr = NULL;
size_t idx;
TypeSummaryImplSP summary_format_sp;
if (!m_option_variable.summary.IsCurrentValueEmpty())
DataVisualization::NamedSummaryFormats::GetSummaryFormat(ConstString(m_option_variable.summary.GetCurrentValue()), summary_format_sp);
else if (!m_option_variable.summary_string.IsCurrentValueEmpty())
summary_format_sp.reset(new StringSummaryFormat(TypeSummaryImpl::Flags(),m_option_variable.summary_string.GetCurrentValue()));
ValueObject::DumpValueObjectOptions options;
options.SetMaximumPointerDepth(m_varobj_options.ptr_depth)
.SetMaximumDepth(m_varobj_options.max_depth)
.SetShowTypes(m_varobj_options.show_types)
.SetShowLocation(m_varobj_options.show_location)
.SetUseObjectiveC(m_varobj_options.use_objc)
.SetUseDynamicType(m_varobj_options.use_dynamic)
.SetUseSyntheticValue(m_varobj_options.use_synth)
.SetFlatOutput(m_varobj_options.flat_output)
.SetOmitSummaryDepth(m_varobj_options.no_summary_depth)
.SetIgnoreCap(m_varobj_options.ignore_cap)
.SetSummary(summary_format_sp);
if (m_varobj_options.be_raw)
options.SetRawDisplay(true);
if (variable_list)
{
const Format format = m_option_format.GetFormat();
options.SetFormat(format);
if (command.GetArgumentCount() > 0)
{
VariableList regex_var_list;
// If we have any args to the variable command, we will make
// variable objects from them...
for (idx = 0; (name_cstr = command.GetArgumentAtIndex(idx)) != NULL; ++idx)
{
if (m_option_variable.use_regex)
{
const uint32_t regex_start_index = regex_var_list.GetSize();
RegularExpression regex (name_cstr);
if (regex.Compile(name_cstr))
{
size_t num_matches = 0;
const size_t num_new_regex_vars = variable_list->AppendVariablesIfUnique(regex,
regex_var_list,
num_matches);
if (num_new_regex_vars > 0)
{
for (uint32_t regex_idx = regex_start_index, end_index = regex_var_list.GetSize();
regex_idx < end_index;
++regex_idx)
{
var_sp = regex_var_list.GetVariableAtIndex (regex_idx);
if (var_sp)
{
valobj_sp = frame->GetValueObjectForFrameVariable (var_sp, m_varobj_options.use_dynamic);
if (valobj_sp)
{
// if (format != eFormatDefault)
// valobj_sp->SetFormat (format);
if (m_option_variable.show_decl && var_sp->GetDeclaration ().GetFile())
{
bool show_fullpaths = false;
bool show_module = true;
if (var_sp->DumpDeclaration(&s, show_fullpaths, show_module))
s.PutCString (": ");
}
ValueObject::DumpValueObject (result.GetOutputStream(),
valobj_sp.get(),
options);
}
}
}
}
else if (num_matches == 0)
{
result.GetErrorStream().Printf ("error: no variables matched the regular expression '%s'.\n", name_cstr);
}
}
else
{
char regex_error[1024];
if (regex.GetErrorAsCString(regex_error, sizeof(regex_error)))
result.GetErrorStream().Printf ("error: %s\n", regex_error);
else
result.GetErrorStream().Printf ("error: unkown regex error when compiling '%s'\n", name_cstr);
}
}
else // No regex, either exact variable names or variable expressions.
{
Error error;
uint32_t expr_path_options = StackFrame::eExpressionPathOptionCheckPtrVsMember |
StackFrame::eExpressionPathOptionsAllowDirectIVarAccess;
lldb::VariableSP var_sp;
valobj_sp = frame->GetValueForVariableExpressionPath (name_cstr,
m_varobj_options.use_dynamic,
expr_path_options,
var_sp,
error);
if (valobj_sp)
{
// if (format != eFormatDefault)
// valobj_sp->SetFormat (format);
if (m_option_variable.show_decl && var_sp && var_sp->GetDeclaration ().GetFile())
{
var_sp->GetDeclaration ().DumpStopContext (&s, false);
s.PutCString (": ");
}
options.SetFormat(format);
Stream &output_stream = result.GetOutputStream();
options.SetRootValueObjectName(valobj_sp->GetParent() ? name_cstr : NULL);
ValueObject::DumpValueObject (output_stream,
valobj_sp.get(),
options);
}
else
{
const char *error_cstr = error.AsCString(NULL);
if (error_cstr)
result.GetErrorStream().Printf("error: %s\n", error_cstr);
else
result.GetErrorStream().Printf ("error: unable to find any variable expression path that matches '%s'\n", name_cstr);
}
}
}
}
else // No command arg specified. Use variable_list, instead.
{
const uint32_t num_variables = variable_list->GetSize();
if (num_variables > 0)
{
for (uint32_t i=0; i<num_variables; i++)
{
var_sp = variable_list->GetVariableAtIndex(i);
bool dump_variable = true;
switch (var_sp->GetScope())
{
case eValueTypeVariableGlobal:
dump_variable = m_option_variable.show_globals;
if (dump_variable && m_option_variable.show_scope)
s.PutCString("GLOBAL: ");
break;
case eValueTypeVariableStatic:
dump_variable = m_option_variable.show_globals;
if (dump_variable && m_option_variable.show_scope)
s.PutCString("STATIC: ");
break;
case eValueTypeVariableArgument:
dump_variable = m_option_variable.show_args;
if (dump_variable && m_option_variable.show_scope)
s.PutCString(" ARG: ");
break;
case eValueTypeVariableLocal:
dump_variable = m_option_variable.show_locals;
if (dump_variable && m_option_variable.show_scope)
s.PutCString(" LOCAL: ");
break;
default:
break;
}
if (dump_variable)
{
// Use the variable object code to make sure we are
// using the same APIs as the the public API will be
// using...
valobj_sp = frame->GetValueObjectForFrameVariable (var_sp,
m_varobj_options.use_dynamic);
if (valobj_sp)
{
// if (format != eFormatDefault)
// valobj_sp->SetFormat (format);
// When dumping all variables, don't print any variables
// that are not in scope to avoid extra unneeded output
if (valobj_sp->IsInScope ())
{
if (m_option_variable.show_decl && var_sp->GetDeclaration ().GetFile())
{
var_sp->GetDeclaration ().DumpStopContext (&s, false);
s.PutCString (": ");
}
options.SetFormat(format);
options.SetRootValueObjectName(name_cstr);
ValueObject::DumpValueObject (result.GetOutputStream(),
valobj_sp.get(),
options);
}
}
}
}
}
}
result.SetStatus (eReturnStatusSuccessFinishResult);
}
if (m_interpreter.TruncationWarningNecessary())
{
result.GetOutputStream().Printf(m_interpreter.TruncationWarningText(),
m_cmd_name.c_str());
m_interpreter.TruncationWarningGiven();
}
return result.Succeeded();
}
bool
DoExecute (Args& command,
CommandReturnObject &result)
{
ExecutionContext exe_ctx (m_interpreter.GetExecutionContext());
Thread *thread = exe_ctx.GetThreadPtr();
if (thread)
{
uint32_t frame_idx = UINT32_MAX;
if (m_options.relative_frame_offset != INT32_MIN)
{
// The one and only argument is a signed relative frame index
frame_idx = thread->GetSelectedFrameIndex ();
if (frame_idx == UINT32_MAX)
frame_idx = 0;
if (m_options.relative_frame_offset < 0)
{
if (frame_idx >= -m_options.relative_frame_offset)
frame_idx += m_options.relative_frame_offset;
else
{
if (frame_idx == 0)
{
//If you are already at the bottom of the stack, then just warn and don't reset the frame.
result.AppendError("Already at the bottom of the stack");
result.SetStatus(eReturnStatusFailed);
return false;
}
else
frame_idx = 0;
}
}
else if (m_options.relative_frame_offset > 0)
{
// I don't want "up 20" where "20" takes you past the top of the stack to produce
// an error, but rather to just go to the top. So I have to count the stack here...
const uint32_t num_frames = thread->GetStackFrameCount();
if (num_frames - frame_idx > m_options.relative_frame_offset)
frame_idx += m_options.relative_frame_offset;
else
{
if (frame_idx == num_frames - 1)
{
//If we are already at the top of the stack, just warn and don't reset the frame.
result.AppendError("Already at the top of the stack");
result.SetStatus(eReturnStatusFailed);
return false;
}
else
frame_idx = num_frames - 1;
}
}
}
else
{
if (command.GetArgumentCount() == 1)
{
const char *frame_idx_cstr = command.GetArgumentAtIndex(0);
frame_idx = Args::StringToUInt32 (frame_idx_cstr, UINT32_MAX, 0);
}
else if (command.GetArgumentCount() == 0)
{
frame_idx = thread->GetSelectedFrameIndex ();
if (frame_idx == UINT32_MAX)
{
frame_idx = 0;
}
}
else
{
result.AppendError ("invalid arguments.\n");
m_options.GenerateOptionUsage (result.GetErrorStream(), this);
}
}
const bool broadcast = true;
bool success = thread->SetSelectedFrameByIndex (frame_idx, broadcast);
if (success)
{
exe_ctx.SetFrameSP(thread->GetSelectedFrame ());
StackFrame *frame = exe_ctx.GetFramePtr();
if (frame)
{
bool already_shown = false;
SymbolContext frame_sc(frame->GetSymbolContext(eSymbolContextLineEntry));
if (m_interpreter.GetDebugger().GetUseExternalEditor() && frame_sc.line_entry.file && frame_sc.line_entry.line != 0)
{
already_shown = Host::OpenFileInExternalEditor (frame_sc.line_entry.file, frame_sc.line_entry.line);
}
bool show_frame_info = true;
bool show_source = !already_shown;
if (frame->GetStatus (result.GetOutputStream(), show_frame_info, show_source))
{
result.SetStatus (eReturnStatusSuccessFinishResult);
return result.Succeeded();
}
}
}
result.AppendErrorWithFormat ("Frame index (%u) out of range.\n", frame_idx);
}
else
{
result.AppendError ("no current thread");
}
result.SetStatus (eReturnStatusFailed);
return false;
}
// int
// HandleArgumentCompletion (Args &input,
// int &cursor_index,
// int &cursor_char_position,
// OptionElementVector &opt_element_vector,
// int match_start_point,
// int max_return_elements,
// bool &word_complete,
// StringList &matches)
// {
// std::string completion_str (input.GetArgumentAtIndex(cursor_index));
// completion_str.erase (cursor_char_position);
//
// if (cursor_index == 1)
// {
// //
// Log::AutoCompleteChannelName (completion_str.c_str(), matches);
// }
// return matches.GetSize();
// }
//
virtual bool
Execute (Args& args,
CommandReturnObject &result)
{
if (args.GetArgumentCount() < 1)
{
result.AppendErrorWithFormat("Usage: %s\n", m_cmd_syntax.c_str());
}
else
{
Log::Callbacks log_callbacks;
std::string channel(args.GetArgumentAtIndex(0));
args.Shift (); // Shift off the channel
StreamSP log_stream_sp;
if (m_options.log_file.empty())
{
log_stream_sp.reset(new StreamFile(m_interpreter.GetDebugger().GetOutputFile().GetDescriptor(), false));
}
else
{
LogStreamMap::iterator pos = m_log_streams.find(m_options.log_file);
if (pos == m_log_streams.end())
{
log_stream_sp.reset (new StreamFile (m_options.log_file.c_str()));
m_log_streams[m_options.log_file] = log_stream_sp;
}
else
log_stream_sp = pos->second;
}
assert (log_stream_sp.get());
uint32_t log_options = m_options.log_options;
if (log_options == 0)
log_options = LLDB_LOG_OPTION_PREPEND_THREAD_NAME | LLDB_LOG_OPTION_THREADSAFE;
if (Log::GetLogChannelCallbacks (channel.c_str(), log_callbacks))
{
log_callbacks.enable (log_stream_sp, log_options, args, &result.GetErrorStream());
result.SetStatus(eReturnStatusSuccessFinishNoResult);
}
else
{
LogChannelSP log_channel_sp (LogChannel::FindPlugin (channel.c_str()));
if (log_channel_sp)
{
if (log_channel_sp->Enable (log_stream_sp, log_options, &result.GetErrorStream(), args))
{
result.SetStatus (eReturnStatusSuccessFinishNoResult);
}
else
{
result.AppendErrorWithFormat("Invalid log channel '%s'.\n", channel.c_str());
result.SetStatus (eReturnStatusFailed);
}
}
else
{
result.AppendErrorWithFormat("Invalid log channel '%s'.\n", channel.c_str());
result.SetStatus (eReturnStatusFailed);
}
}
}
return result.Succeeded();
}
