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llvm / llvm-project / lldb / 4427957fb07f859f75ff89a65850322a7b346699 / . / source / Commands / CommandObjectBreakpoint.cpp
blob: 0844c56cef2f6e81e2b4ac1afefe028d36da3849 [file] [log] [blame]
//===-- CommandObjectBreakpoint.cpp ---------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "CommandObjectBreakpoint.h"
#include "CommandObjectBreakpointCommand.h"
#include "lldb/Breakpoint/Breakpoint.h"
#include "lldb/Breakpoint/BreakpointIDList.h"
#include "lldb/Breakpoint/BreakpointLocation.h"
#include "lldb/Host/OptionParser.h"
#include "lldb/Interpreter/CommandInterpreter.h"
#include "lldb/Interpreter/CommandReturnObject.h"
#include "lldb/Interpreter/OptionArgParser.h"
#include "lldb/Interpreter/OptionGroupPythonClassWithDict.h"
#include "lldb/Interpreter/OptionValueBoolean.h"
#include "lldb/Interpreter/OptionValueFileColonLine.h"
#include "lldb/Interpreter/OptionValueString.h"
#include "lldb/Interpreter/OptionValueUInt64.h"
#include "lldb/Interpreter/Options.h"
#include "lldb/Target/Language.h"
#include "lldb/Target/StackFrame.h"
#include "lldb/Target/Target.h"
#include "lldb/Target/ThreadSpec.h"
#include "lldb/Utility/RegularExpression.h"
#include "lldb/Utility/StreamString.h"
#include <memory>
#include <vector>
using namespace lldb;
using namespace lldb_private;
static void AddBreakpointDescription(Stream *s, Breakpoint *bp,
lldb::DescriptionLevel level) {
s->IndentMore();
bp->GetDescription(s, level, true);
s->IndentLess();
s->EOL();
}
// Modifiable Breakpoint Options
#pragma mark Modify::CommandOptions
#define LLDB_OPTIONS_breakpoint_modify
#include "CommandOptions.inc"
class lldb_private::BreakpointOptionGroup : public OptionGroup {
public:
BreakpointOptionGroup() : OptionGroup(), m_bp_opts(false) {}
~BreakpointOptionGroup() override = default;
llvm::ArrayRef<OptionDefinition> GetDefinitions() override {
return llvm::makeArrayRef(g_breakpoint_modify_options);
}
Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg,
ExecutionContext *execution_context) override {
Status error;
const int short_option =
g_breakpoint_modify_options[option_idx].short_option;
switch (short_option) {
case 'c':
// Normally an empty breakpoint condition marks is as unset. But we need
// to say it was passed in.
m_bp_opts.SetCondition(option_arg.str().c_str());
m_bp_opts.m_set_flags.Set(BreakpointOptions::eCondition);
break;
case 'C':
m_commands.push_back(std::string(option_arg));
break;
case 'd':
m_bp_opts.SetEnabled(false);
break;
case 'e':
m_bp_opts.SetEnabled(true);
break;
case 'G': {
bool value, success;
value = OptionArgParser::ToBoolean(option_arg, false, &success);
if (success) {
m_bp_opts.SetAutoContinue(value);
} else
error.SetErrorStringWithFormat(
"invalid boolean value '%s' passed for -G option",
option_arg.str().c_str());
} break;
case 'i': {
uint32_t ignore_count;
if (option_arg.getAsInteger(0, ignore_count))
error.SetErrorStringWithFormat("invalid ignore count '%s'",
option_arg.str().c_str());
else
m_bp_opts.SetIgnoreCount(ignore_count);
} break;
case 'o': {
bool value, success;
value = OptionArgParser::ToBoolean(option_arg, false, &success);
if (success) {
m_bp_opts.SetOneShot(value);
} else
error.SetErrorStringWithFormat(
"invalid boolean value '%s' passed for -o option",
option_arg.str().c_str());
} break;
case 't': {
lldb::tid_t thread_id = LLDB_INVALID_THREAD_ID;
if (option_arg[0] != '\0') {
if (option_arg.getAsInteger(0, thread_id))
error.SetErrorStringWithFormat("invalid thread id string '%s'",
option_arg.str().c_str());
}
m_bp_opts.SetThreadID(thread_id);
} break;
case 'T':
m_bp_opts.GetThreadSpec()->SetName(option_arg.str().c_str());
break;
case 'q':
m_bp_opts.GetThreadSpec()->SetQueueName(option_arg.str().c_str());
break;
case 'x': {
uint32_t thread_index = UINT32_MAX;
if (option_arg[0] != '\n') {
if (option_arg.getAsInteger(0, thread_index))
error.SetErrorStringWithFormat("invalid thread index string '%s'",
option_arg.str().c_str());
}
m_bp_opts.GetThreadSpec()->SetIndex(thread_index);
} break;
default:
llvm_unreachable("Unimplemented option");
}
return error;
}
void OptionParsingStarting(ExecutionContext *execution_context) override {
m_bp_opts.Clear();
m_commands.clear();
}
Status OptionParsingFinished(ExecutionContext *execution_context) override {
if (!m_commands.empty()) {
auto cmd_data = std::make_unique<BreakpointOptions::CommandData>();
for (std::string &str : m_commands)
cmd_data->user_source.AppendString(str);
cmd_data->stop_on_error = true;
m_bp_opts.SetCommandDataCallback(cmd_data);
}
return Status();
}
const BreakpointOptions &GetBreakpointOptions() { return m_bp_opts; }
std::vector<std::string> m_commands;
BreakpointOptions m_bp_opts;
};
#define LLDB_OPTIONS_breakpoint_dummy
#include "CommandOptions.inc"
class BreakpointDummyOptionGroup : public OptionGroup {
public:
BreakpointDummyOptionGroup() : OptionGroup() {}
~BreakpointDummyOptionGroup() override = default;
llvm::ArrayRef<OptionDefinition> GetDefinitions() override {
return llvm::makeArrayRef(g_breakpoint_dummy_options);
}
Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg,
ExecutionContext *execution_context) override {
Status error;
const int short_option =
g_breakpoint_dummy_options[option_idx].short_option;
switch (short_option) {
case 'D':
m_use_dummy = true;
break;
default:
llvm_unreachable("Unimplemented option");
}
return error;
}
void OptionParsingStarting(ExecutionContext *execution_context) override {
m_use_dummy = false;
}
bool m_use_dummy;
};
#define LLDB_OPTIONS_breakpoint_set
#include "CommandOptions.inc"
// CommandObjectBreakpointSet
class CommandObjectBreakpointSet : public CommandObjectParsed {
public:
enum BreakpointSetType {
eSetTypeInvalid,
eSetTypeFileAndLine,
eSetTypeAddress,
eSetTypeFunctionName,
eSetTypeFunctionRegexp,
eSetTypeSourceRegexp,
eSetTypeException,
eSetTypeScripted,
};
CommandObjectBreakpointSet(CommandInterpreter &interpreter)
: CommandObjectParsed(
interpreter, "breakpoint set",
"Sets a breakpoint or set of breakpoints in the executable.",
"breakpoint set <cmd-options>"),
m_bp_opts(), m_python_class_options("scripted breakpoint", true, 'P'),
m_options() {
// We're picking up all the normal options, commands and disable.
m_all_options.Append(&m_python_class_options,
LLDB_OPT_SET_1 | LLDB_OPT_SET_2, LLDB_OPT_SET_11);
m_all_options.Append(&m_bp_opts,
LLDB_OPT_SET_1 | LLDB_OPT_SET_3 | LLDB_OPT_SET_4,
LLDB_OPT_SET_ALL);
m_all_options.Append(&m_dummy_options, LLDB_OPT_SET_1, LLDB_OPT_SET_ALL);
m_all_options.Append(&m_options);
m_all_options.Finalize();
}
~CommandObjectBreakpointSet() override = default;
Options *GetOptions() override { return &m_all_options; }
class CommandOptions : public OptionGroup {
public:
CommandOptions()
: OptionGroup(), m_condition(), m_filenames(), m_line_num(0),
m_column(0), m_func_names(),
m_func_name_type_mask(eFunctionNameTypeNone), m_func_regexp(),
m_source_text_regexp(), m_modules(), m_load_addr(), m_catch_bp(false),
m_throw_bp(true), m_hardware(false),
m_exception_language(eLanguageTypeUnknown),
m_language(lldb::eLanguageTypeUnknown),
m_skip_prologue(eLazyBoolCalculate), m_all_files(false),
m_move_to_nearest_code(eLazyBoolCalculate) {}
~CommandOptions() override = default;
Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg,
ExecutionContext *execution_context) override {
Status error;
const int short_option =
g_breakpoint_set_options[option_idx].short_option;
switch (short_option) {
case 'a': {
m_load_addr = OptionArgParser::ToAddress(execution_context, option_arg,
LLDB_INVALID_ADDRESS, &error);
} break;
case 'A':
m_all_files = true;
break;
case 'b':
m_func_names.push_back(std::string(option_arg));
m_func_name_type_mask |= eFunctionNameTypeBase;
break;
case 'u':
if (option_arg.getAsInteger(0, m_column))
error.SetErrorStringWithFormat("invalid column number: %s",
option_arg.str().c_str());
break;
case 'E': {
LanguageType language = Language::GetLanguageTypeFromString(option_arg);
switch (language) {
case eLanguageTypeC89:
case eLanguageTypeC:
case eLanguageTypeC99:
case eLanguageTypeC11:
m_exception_language = eLanguageTypeC;
break;
case eLanguageTypeC_plus_plus:
case eLanguageTypeC_plus_plus_03:
case eLanguageTypeC_plus_plus_11:
case eLanguageTypeC_plus_plus_14:
m_exception_language = eLanguageTypeC_plus_plus;
break;
case eLanguageTypeObjC:
m_exception_language = eLanguageTypeObjC;
break;
case eLanguageTypeObjC_plus_plus:
error.SetErrorStringWithFormat(
"Set exception breakpoints separately for c++ and objective-c");
break;
case eLanguageTypeUnknown:
error.SetErrorStringWithFormat(
"Unknown language type: '%s' for exception breakpoint",
option_arg.str().c_str());
break;
default:
error.SetErrorStringWithFormat(
"Unsupported language type: '%s' for exception breakpoint",
option_arg.str().c_str());
}
} break;
case 'f':
m_filenames.AppendIfUnique(FileSpec(option_arg));
break;
case 'F':
m_func_names.push_back(std::string(option_arg));
m_func_name_type_mask |= eFunctionNameTypeFull;
break;
case 'h': {
bool success;
m_catch_bp = OptionArgParser::ToBoolean(option_arg, true, &success);
if (!success)
error.SetErrorStringWithFormat(
"Invalid boolean value for on-catch option: '%s'",
option_arg.str().c_str());
} break;
case 'H':
m_hardware = true;
break;
case 'K': {
bool success;
bool value;
value = OptionArgParser::ToBoolean(option_arg, true, &success);
if (value)
m_skip_prologue = eLazyBoolYes;
else
m_skip_prologue = eLazyBoolNo;
if (!success)
error.SetErrorStringWithFormat(
"Invalid boolean value for skip prologue option: '%s'",
option_arg.str().c_str());
} break;
case 'l':
if (option_arg.getAsInteger(0, m_line_num))
error.SetErrorStringWithFormat("invalid line number: %s.",
option_arg.str().c_str());
break;
case 'L':
m_language = Language::GetLanguageTypeFromString(option_arg);
if (m_language == eLanguageTypeUnknown)
error.SetErrorStringWithFormat(
"Unknown language type: '%s' for breakpoint",
option_arg.str().c_str());
break;
case 'm': {
bool success;
bool value;
value = OptionArgParser::ToBoolean(option_arg, true, &success);
if (value)
m_move_to_nearest_code = eLazyBoolYes;
else
m_move_to_nearest_code = eLazyBoolNo;
if (!success)
error.SetErrorStringWithFormat(
"Invalid boolean value for move-to-nearest-code option: '%s'",
option_arg.str().c_str());
break;
}
case 'M':
m_func_names.push_back(std::string(option_arg));
m_func_name_type_mask |= eFunctionNameTypeMethod;
break;
case 'n':
m_func_names.push_back(std::string(option_arg));
m_func_name_type_mask |= eFunctionNameTypeAuto;
break;
case 'N': {
if (BreakpointID::StringIsBreakpointName(option_arg, error))
m_breakpoint_names.push_back(std::string(option_arg));
else
error.SetErrorStringWithFormat("Invalid breakpoint name: %s",
option_arg.str().c_str());
break;
}
case 'R': {
lldb::addr_t tmp_offset_addr;
tmp_offset_addr = OptionArgParser::ToAddress(execution_context,
option_arg, 0, &error);
if (error.Success())
m_offset_addr = tmp_offset_addr;
} break;
case 'O':
m_exception_extra_args.AppendArgument("-O");
m_exception_extra_args.AppendArgument(option_arg);
break;
case 'p':
m_source_text_regexp.assign(std::string(option_arg));
break;
case 'r':
m_func_regexp.assign(std::string(option_arg));
break;
case 's':
m_modules.AppendIfUnique(FileSpec(option_arg));
break;
case 'S':
m_func_names.push_back(std::string(option_arg));
m_func_name_type_mask |= eFunctionNameTypeSelector;
break;
case 'w': {
bool success;
m_throw_bp = OptionArgParser::ToBoolean(option_arg, true, &success);
if (!success)
error.SetErrorStringWithFormat(
"Invalid boolean value for on-throw option: '%s'",
option_arg.str().c_str());
} break;
case 'X':
m_source_regex_func_names.insert(std::string(option_arg));
break;
case 'y':
{
OptionValueFileColonLine value;
Status fcl_err = value.SetValueFromString(option_arg);
if (!fcl_err.Success()) {
error.SetErrorStringWithFormat(
"Invalid value for file:line specifier: %s",
fcl_err.AsCString());
} else {
m_filenames.AppendIfUnique(value.GetFileSpec());
m_line_num = value.GetLineNumber();
m_column = value.GetColumnNumber();
}
} break;
default:
llvm_unreachable("Unimplemented option");
}
return error;
}
void OptionParsingStarting(ExecutionContext *execution_context) override {
m_filenames.Clear();
m_line_num = 0;
m_column = 0;
m_func_names.clear();
m_func_name_type_mask = eFunctionNameTypeNone;
m_func_regexp.clear();
m_source_text_regexp.clear();
m_modules.Clear();
m_load_addr = LLDB_INVALID_ADDRESS;
m_offset_addr = 0;
m_catch_bp = false;
m_throw_bp = true;
m_hardware = false;
m_exception_language = eLanguageTypeUnknown;
m_language = lldb::eLanguageTypeUnknown;
m_skip_prologue = eLazyBoolCalculate;
m_breakpoint_names.clear();
m_all_files = false;
m_exception_extra_args.Clear();
m_move_to_nearest_code = eLazyBoolCalculate;
m_source_regex_func_names.clear();
m_current_key.clear();
}
llvm::ArrayRef<OptionDefinition> GetDefinitions() override {
return llvm::makeArrayRef(g_breakpoint_set_options);
}
// Instance variables to hold the values for command options.
std::string m_condition;
FileSpecList m_filenames;
uint32_t m_line_num;
uint32_t m_column;
std::vector<std::string> m_func_names;
std::vector<std::string> m_breakpoint_names;
lldb::FunctionNameType m_func_name_type_mask;
std::string m_func_regexp;
std::string m_source_text_regexp;
FileSpecList m_modules;
lldb::addr_t m_load_addr;
lldb::addr_t m_offset_addr;
bool m_catch_bp;
bool m_throw_bp;
bool m_hardware; // Request to use hardware breakpoints
lldb::LanguageType m_exception_language;
lldb::LanguageType m_language;
LazyBool m_skip_prologue;
bool m_all_files;
Args m_exception_extra_args;
LazyBool m_move_to_nearest_code;
std::unordered_set<std::string> m_source_regex_func_names;
std::string m_current_key;
};
protected:
bool DoExecute(Args &command, CommandReturnObject &result) override {
Target &target = GetSelectedOrDummyTarget(m_dummy_options.m_use_dummy);
// The following are the various types of breakpoints that could be set:
// 1). -f -l -p [-s -g] (setting breakpoint by source location)
// 2). -a [-s -g] (setting breakpoint by address)
// 3). -n [-s -g] (setting breakpoint by function name)
// 4). -r [-s -g] (setting breakpoint by function name regular
// expression)
// 5). -p -f (setting a breakpoint by comparing a reg-exp
// to source text)
// 6). -E [-w -h] (setting a breakpoint for exceptions for a
// given language.)
BreakpointSetType break_type = eSetTypeInvalid;
if (!m_python_class_options.GetName().empty())
break_type = eSetTypeScripted;
else if (m_options.m_line_num != 0)
break_type = eSetTypeFileAndLine;
else if (m_options.m_load_addr != LLDB_INVALID_ADDRESS)
break_type = eSetTypeAddress;
else if (!m_options.m_func_names.empty())
break_type = eSetTypeFunctionName;
else if (!m_options.m_func_regexp.empty())
break_type = eSetTypeFunctionRegexp;
else if (!m_options.m_source_text_regexp.empty())
break_type = eSetTypeSourceRegexp;
else if (m_options.m_exception_language != eLanguageTypeUnknown)
break_type = eSetTypeException;
BreakpointSP bp_sp = nullptr;
FileSpec module_spec;
const bool internal = false;
// If the user didn't specify skip-prologue, having an offset should turn
// that off.
if (m_options.m_offset_addr != 0 &&
m_options.m_skip_prologue == eLazyBoolCalculate)
m_options.m_skip_prologue = eLazyBoolNo;
switch (break_type) {
case eSetTypeFileAndLine: // Breakpoint by source position
{
FileSpec file;
const size_t num_files = m_options.m_filenames.GetSize();
if (num_files == 0) {
if (!GetDefaultFile(target, file, result)) {
result.AppendError("No file supplied and no default file available.");
result.SetStatus(eReturnStatusFailed);
return false;
}
} else if (num_files > 1) {
result.AppendError("Only one file at a time is allowed for file and "
"line breakpoints.");
result.SetStatus(eReturnStatusFailed);
return false;
} else
file = m_options.m_filenames.GetFileSpecAtIndex(0);
// Only check for inline functions if
LazyBool check_inlines = eLazyBoolCalculate;
bp_sp = target.CreateBreakpoint(
&(m_options.m_modules), file, m_options.m_line_num,
m_options.m_column, m_options.m_offset_addr, check_inlines,
m_options.m_skip_prologue, internal, m_options.m_hardware,
m_options.m_move_to_nearest_code);
} break;
case eSetTypeAddress: // Breakpoint by address
{
// If a shared library has been specified, make an lldb_private::Address
// with the library, and use that. That way the address breakpoint
// will track the load location of the library.
size_t num_modules_specified = m_options.m_modules.GetSize();
if (num_modules_specified == 1) {
const FileSpec *file_spec =
m_options.m_modules.GetFileSpecPointerAtIndex(0);
bp_sp = target.CreateAddressInModuleBreakpoint(
m_options.m_load_addr, internal, file_spec, m_options.m_hardware);
} else if (num_modules_specified == 0) {
bp_sp = target.CreateBreakpoint(m_options.m_load_addr, internal,
m_options.m_hardware);
} else {
result.AppendError("Only one shared library can be specified for "
"address breakpoints.");
result.SetStatus(eReturnStatusFailed);
return false;
}
break;
}
case eSetTypeFunctionName: // Breakpoint by function name
{
FunctionNameType name_type_mask = m_options.m_func_name_type_mask;
if (name_type_mask == 0)
name_type_mask = eFunctionNameTypeAuto;
bp_sp = target.CreateBreakpoint(
&(m_options.m_modules), &(m_options.m_filenames),
m_options.m_func_names, name_type_mask, m_options.m_language,
m_options.m_offset_addr, m_options.m_skip_prologue, internal,
m_options.m_hardware);
} break;
case eSetTypeFunctionRegexp: // Breakpoint by regular expression function
// name
{
RegularExpression regexp(m_options.m_func_regexp);
if (llvm::Error err = regexp.GetError()) {
result.AppendErrorWithFormat(
"Function name regular expression could not be compiled: %s",
llvm::toString(std::move(err)).c_str());
// Check if the incorrect regex looks like a globbing expression and
// warn the user about it.
if (!m_options.m_func_regexp.empty()) {
if (m_options.m_func_regexp[0] == '*' ||
m_options.m_func_regexp[0] == '?')
result.AppendWarning(
"Function name regex does not accept glob patterns.");
}
result.SetStatus(eReturnStatusFailed);
return false;
}
bp_sp = target.CreateFuncRegexBreakpoint(
&(m_options.m_modules), &(m_options.m_filenames), std::move(regexp),
m_options.m_language, m_options.m_skip_prologue, internal,
m_options.m_hardware);
} break;
case eSetTypeSourceRegexp: // Breakpoint by regexp on source text.
{
const size_t num_files = m_options.m_filenames.GetSize();
if (num_files == 0 && !m_options.m_all_files) {
FileSpec file;
if (!GetDefaultFile(target, file, result)) {
result.AppendError(
"No files provided and could not find default file.");
result.SetStatus(eReturnStatusFailed);
return false;
} else {
m_options.m_filenames.Append(file);
}
}
RegularExpression regexp(m_options.m_source_text_regexp);
if (llvm::Error err = regexp.GetError()) {
result.AppendErrorWithFormat(
"Source text regular expression could not be compiled: \"%s\"",
llvm::toString(std::move(err)).c_str());
result.SetStatus(eReturnStatusFailed);
return false;
}
bp_sp = target.CreateSourceRegexBreakpoint(
&(m_options.m_modules), &(m_options.m_filenames),
m_options.m_source_regex_func_names, std::move(regexp), internal,
m_options.m_hardware, m_options.m_move_to_nearest_code);
} break;
case eSetTypeException: {
Status precond_error;
bp_sp = target.CreateExceptionBreakpoint(
m_options.m_exception_language, m_options.m_catch_bp,
m_options.m_throw_bp, internal, &m_options.m_exception_extra_args,
&precond_error);
if (precond_error.Fail()) {
result.AppendErrorWithFormat(
"Error setting extra exception arguments: %s",
precond_error.AsCString());
target.RemoveBreakpointByID(bp_sp->GetID());
result.SetStatus(eReturnStatusFailed);
return false;
}
} break;
case eSetTypeScripted: {
Status error;
bp_sp = target.CreateScriptedBreakpoint(
m_python_class_options.GetName().c_str(), &(m_options.m_modules),
&(m_options.m_filenames), false, m_options.m_hardware,
m_python_class_options.GetStructuredData(), &error);
if (error.Fail()) {
result.AppendErrorWithFormat(
"Error setting extra exception arguments: %s", error.AsCString());
target.RemoveBreakpointByID(bp_sp->GetID());
result.SetStatus(eReturnStatusFailed);
return false;
}
} break;
default:
break;
}
// Now set the various options that were passed in:
if (bp_sp) {
bp_sp->GetOptions()->CopyOverSetOptions(m_bp_opts.GetBreakpointOptions());
if (!m_options.m_breakpoint_names.empty()) {
Status name_error;
for (auto name : m_options.m_breakpoint_names) {
target.AddNameToBreakpoint(bp_sp, name.c_str(), name_error);
if (name_error.Fail()) {
result.AppendErrorWithFormat("Invalid breakpoint name: %s",
name.c_str());
target.RemoveBreakpointByID(bp_sp->GetID());
result.SetStatus(eReturnStatusFailed);
return false;
}
}
}
}
if (bp_sp) {
Stream &output_stream = result.GetOutputStream();
const bool show_locations = false;
bp_sp->GetDescription(&output_stream, lldb::eDescriptionLevelInitial,
show_locations);
if (&target == &GetDummyTarget())
output_stream.Printf("Breakpoint set in dummy target, will get copied "
"into future targets.\n");
else {
// Don't print out this warning for exception breakpoints. They can
// get set before the target is set, but we won't know how to actually
// set the breakpoint till we run.
if (bp_sp->GetNumLocations() == 0 && break_type != eSetTypeException) {
output_stream.Printf("WARNING: Unable to resolve breakpoint to any "
"actual locations.\n");
}
}
result.SetStatus(eReturnStatusSuccessFinishResult);
} else if (!bp_sp) {
result.AppendError("Breakpoint creation failed: No breakpoint created.");
result.SetStatus(eReturnStatusFailed);
}
return result.Succeeded();
}
private:
bool GetDefaultFile(Target &target, FileSpec &file,
CommandReturnObject &result) {
uint32_t default_line;
// First use the Source Manager's default file. Then use the current stack
// frame's file.
if (!target.GetSourceManager().GetDefaultFileAndLine(file, default_line)) {
StackFrame *cur_frame = m_exe_ctx.GetFramePtr();
if (cur_frame == nullptr) {
result.AppendError(
"No selected frame to use to find the default file.");
result.SetStatus(eReturnStatusFailed);
return false;
} else if (!cur_frame->HasDebugInformation()) {
result.AppendError("Cannot use the selected frame to find the default "
"file, it has no debug info.");
result.SetStatus(eReturnStatusFailed);
return false;
} else {
const SymbolContext &sc =
cur_frame->GetSymbolContext(eSymbolContextLineEntry);
if (sc.line_entry.file) {
file = sc.line_entry.file;
} else {
result.AppendError("Can't find the file for the selected frame to "
"use as the default file.");
result.SetStatus(eReturnStatusFailed);
return false;
}
}
}
return true;
}
BreakpointOptionGroup m_bp_opts;
BreakpointDummyOptionGroup m_dummy_options;
OptionGroupPythonClassWithDict m_python_class_options;
CommandOptions m_options;
OptionGroupOptions m_all_options;
};
// CommandObjectBreakpointModify
#pragma mark Modify
class CommandObjectBreakpointModify : public CommandObjectParsed {
public:
CommandObjectBreakpointModify(CommandInterpreter &interpreter)
: CommandObjectParsed(interpreter, "breakpoint modify",
"Modify the options on a breakpoint or set of "
"breakpoints in the executable. "
"If no breakpoint is specified, acts on the last "
"created breakpoint. "
"With the exception of -e, -d and -i, passing an "
"empty argument clears the modification.",
nullptr),
m_options() {
CommandArgumentEntry arg;
CommandObject::AddIDsArgumentData(arg, eArgTypeBreakpointID,
eArgTypeBreakpointIDRange);
// Add the entry for the first argument for this command to the object's
// arguments vector.
m_arguments.push_back(arg);
m_options.Append(&m_bp_opts,
LLDB_OPT_SET_1 | LLDB_OPT_SET_2 | LLDB_OPT_SET_3,
LLDB_OPT_SET_ALL);
m_options.Append(&m_dummy_opts, LLDB_OPT_SET_1, LLDB_OPT_SET_ALL);
m_options.Finalize();
}
~CommandObjectBreakpointModify() override = default;
void
HandleArgumentCompletion(CompletionRequest &request,
OptionElementVector &opt_element_vector) override {
CommandCompletions::InvokeCommonCompletionCallbacks(
GetCommandInterpreter(), CommandCompletions::eBreakpointCompletion,
request, nullptr);
}
Options *GetOptions() override { return &m_options; }
protected:
bool DoExecute(Args &command, CommandReturnObject &result) override {
Target &target = GetSelectedOrDummyTarget(m_dummy_opts.m_use_dummy);
std::unique_lock<std::recursive_mutex> lock;
target.GetBreakpointList().GetListMutex(lock);
BreakpointIDList valid_bp_ids;
CommandObjectMultiwordBreakpoint::VerifyBreakpointOrLocationIDs(
command, &target, result, &valid_bp_ids,
BreakpointName::Permissions::PermissionKinds::disablePerm);
if (result.Succeeded()) {
const size_t count = valid_bp_ids.GetSize();
for (size_t i = 0; i < count; ++i) {
BreakpointID cur_bp_id = valid_bp_ids.GetBreakpointIDAtIndex(i);
if (cur_bp_id.GetBreakpointID() != LLDB_INVALID_BREAK_ID) {
Breakpoint *bp =
target.GetBreakpointByID(cur_bp_id.GetBreakpointID()).get();
if (cur_bp_id.GetLocationID() != LLDB_INVALID_BREAK_ID) {
BreakpointLocation *location =
bp->FindLocationByID(cur_bp_id.GetLocationID()).get();
if (location)
location->GetLocationOptions()->CopyOverSetOptions(
m_bp_opts.GetBreakpointOptions());
} else {
bp->GetOptions()->CopyOverSetOptions(
m_bp_opts.GetBreakpointOptions());
}
}
}
}
return result.Succeeded();
}
private:
BreakpointOptionGroup m_bp_opts;
BreakpointDummyOptionGroup m_dummy_opts;
OptionGroupOptions m_options;
};
// CommandObjectBreakpointEnable
#pragma mark Enable
class CommandObjectBreakpointEnable : public CommandObjectParsed {
public:
CommandObjectBreakpointEnable(CommandInterpreter &interpreter)
: CommandObjectParsed(interpreter, "enable",
"Enable the specified disabled breakpoint(s). If "
"no breakpoints are specified, enable all of them.",
nullptr) {
CommandArgumentEntry arg;
CommandObject::AddIDsArgumentData(arg, eArgTypeBreakpointID,
eArgTypeBreakpointIDRange);
// Add the entry for the first argument for this command to the object's
// arguments vector.
m_arguments.push_back(arg);
}
~CommandObjectBreakpointEnable() override = default;
void
HandleArgumentCompletion(CompletionRequest &request,
OptionElementVector &opt_element_vector) override {
CommandCompletions::InvokeCommonCompletionCallbacks(
GetCommandInterpreter(), CommandCompletions::eBreakpointCompletion,
request, nullptr);
}
protected:
bool DoExecute(Args &command, CommandReturnObject &result) override {
Target &target = GetSelectedOrDummyTarget();
std::unique_lock<std::recursive_mutex> lock;
target.GetBreakpointList().GetListMutex(lock);
const BreakpointList &breakpoints = target.GetBreakpointList();
size_t num_breakpoints = breakpoints.GetSize();
if (num_breakpoints == 0) {
result.AppendError("No breakpoints exist to be enabled.");
result.SetStatus(eReturnStatusFailed);
return false;
}
if (command.empty()) {
// No breakpoint selected; enable all currently set breakpoints.
target.EnableAllowedBreakpoints();
result.AppendMessageWithFormat("All breakpoints enabled. (%" PRIu64
" breakpoints)\n",
(uint64_t)num_breakpoints);
result.SetStatus(eReturnStatusSuccessFinishNoResult);
} else {
// Particular breakpoint selected; enable that breakpoint.
BreakpointIDList valid_bp_ids;
CommandObjectMultiwordBreakpoint::VerifyBreakpointOrLocationIDs(
command, &target, result, &valid_bp_ids,
BreakpointName::Permissions::PermissionKinds::disablePerm);
if (result.Succeeded()) {
int enable_count = 0;
int loc_count = 0;
const size_t count = valid_bp_ids.GetSize();
for (size_t i = 0; i < count; ++i) {
BreakpointID cur_bp_id = valid_bp_ids.GetBreakpointIDAtIndex(i);
if (cur_bp_id.GetBreakpointID() != LLDB_INVALID_BREAK_ID) {
Breakpoint *breakpoint =
target.GetBreakpointByID(cur_bp_id.GetBreakpointID()).get();
if (cur_bp_id.GetLocationID() != LLDB_INVALID_BREAK_ID) {
BreakpointLocation *location =
breakpoint->FindLocationByID(cur_bp_id.GetLocationID()).get();
if (location) {
location->SetEnabled(true);
++loc_count;
}
} else {
breakpoint->SetEnabled(true);
++enable_count;
}
}
}
result.AppendMessageWithFormat("%d breakpoints enabled.\n",
enable_count + loc_count);
result.SetStatus(eReturnStatusSuccessFinishNoResult);
}
}
return result.Succeeded();
}
};
// CommandObjectBreakpointDisable
#pragma mark Disable
class CommandObjectBreakpointDisable : public CommandObjectParsed {
public:
CommandObjectBreakpointDisable(CommandInterpreter &interpreter)
: CommandObjectParsed(
interpreter, "breakpoint disable",
"Disable the specified breakpoint(s) without deleting "
"them. If none are specified, disable all "
"breakpoints.",
nullptr) {
SetHelpLong(
"Disable the specified breakpoint(s) without deleting them. \
If none are specified, disable all breakpoints."
R"(
)"
"Note: disabling a breakpoint will cause none of its locations to be hit \
regardless of whether individual locations are enabled or disabled. After the sequence:"
R"(
(lldb) break disable 1
(lldb) break enable 1.1
execution will NOT stop at location 1.1. To achieve that, type:
(lldb) break disable 1.*
(lldb) break enable 1.1
)"
"The first command disables all locations for breakpoint 1, \
the second re-enables the first location.");
CommandArgumentEntry arg;
CommandObject::AddIDsArgumentData(arg, eArgTypeBreakpointID,
eArgTypeBreakpointIDRange);
// Add the entry for the first argument for this command to the object's
// arguments vector.
m_arguments.push_back(arg);
}
~CommandObjectBreakpointDisable() override = default;
void
HandleArgumentCompletion(CompletionRequest &request,
OptionElementVector &opt_element_vector) override {
CommandCompletions::InvokeCommonCompletionCallbacks(
GetCommandInterpreter(), CommandCompletions::eBreakpointCompletion,
request, nullptr);
}
protected:
bool DoExecute(Args &command, CommandReturnObject &result) override {
Target &target = GetSelectedOrDummyTarget();
std::unique_lock<std::recursive_mutex> lock;
target.GetBreakpointList().GetListMutex(lock);
const BreakpointList &breakpoints = target.GetBreakpointList();
size_t num_breakpoints = breakpoints.GetSize();
if (num_breakpoints == 0) {
result.AppendError("No breakpoints exist to be disabled.");
result.SetStatus(eReturnStatusFailed);
return false;
}
if (command.empty()) {
// No breakpoint selected; disable all currently set breakpoints.
target.DisableAllowedBreakpoints();
result.AppendMessageWithFormat("All breakpoints disabled. (%" PRIu64
" breakpoints)\n",
(uint64_t)num_breakpoints);
result.SetStatus(eReturnStatusSuccessFinishNoResult);
} else {
// Particular breakpoint selected; disable that breakpoint.
BreakpointIDList valid_bp_ids;
CommandObjectMultiwordBreakpoint::VerifyBreakpointOrLocationIDs(
command, &target, result, &valid_bp_ids,
BreakpointName::Permissions::PermissionKinds::disablePerm);
if (result.Succeeded()) {
int disable_count = 0;
int loc_count = 0;
const size_t count = valid_bp_ids.GetSize();
for (size_t i = 0; i < count; ++i) {
BreakpointID cur_bp_id = valid_bp_ids.GetBreakpointIDAtIndex(i);
if (cur_bp_id.GetBreakpointID() != LLDB_INVALID_BREAK_ID) {
Breakpoint *breakpoint =
target.GetBreakpointByID(cur_bp_id.GetBreakpointID()).get();
if (cur_bp_id.GetLocationID() != LLDB_INVALID_BREAK_ID) {
BreakpointLocation *location =
breakpoint->FindLocationByID(cur_bp_id.GetLocationID()).get();
if (location) {
location->SetEnabled(false);
++loc_count;
}
} else {
breakpoint->SetEnabled(false);
++disable_count;
}
}
}
result.AppendMessageWithFormat("%d breakpoints disabled.\n",
disable_count + loc_count);
result.SetStatus(eReturnStatusSuccessFinishNoResult);
}
}
return result.Succeeded();
}
};
// CommandObjectBreakpointList
#pragma mark List::CommandOptions
#define LLDB_OPTIONS_breakpoint_list
#include "CommandOptions.inc"
#pragma mark List
class CommandObjectBreakpointList : public CommandObjectParsed {
public:
CommandObjectBreakpointList(CommandInterpreter &interpreter)
: CommandObjectParsed(
interpreter, "breakpoint list",
"List some or all breakpoints at configurable levels of detail.",
nullptr),
m_options() {
CommandArgumentEntry arg;
CommandArgumentData bp_id_arg;
// Define the first (and only) variant of this arg.
bp_id_arg.arg_type = eArgTypeBreakpointID;
bp_id_arg.arg_repetition = eArgRepeatOptional;
// There is only one variant this argument could be; put it into the
// argument entry.
arg.push_back(bp_id_arg);
// Push the data for the first argument into the m_arguments vector.
m_arguments.push_back(arg);
}
~CommandObjectBreakpointList() override = default;
Options *GetOptions() override { return &m_options; }
class CommandOptions : public Options {
public:
CommandOptions()
: Options(), m_level(lldb::eDescriptionLevelBrief), m_use_dummy(false) {
}
~CommandOptions() override = default;
Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg,
ExecutionContext *execution_context) override {
Status error;
const int short_option = m_getopt_table[option_idx].val;
switch (short_option) {
case 'b':
m_level = lldb::eDescriptionLevelBrief;
break;
case 'D':
m_use_dummy = true;
break;
case 'f':
m_level = lldb::eDescriptionLevelFull;
break;
case 'v':
m_level = lldb::eDescriptionLevelVerbose;
break;
case 'i':
m_internal = true;
break;
default:
llvm_unreachable("Unimplemented option");
}
return error;
}
void OptionParsingStarting(ExecutionContext *execution_context) override {
m_level = lldb::eDescriptionLevelFull;
m_internal = false;
m_use_dummy = false;
}
llvm::ArrayRef<OptionDefinition> GetDefinitions() override {
return llvm::makeArrayRef(g_breakpoint_list_options);
}
// Instance variables to hold the values for command options.
lldb::DescriptionLevel m_level;
bool m_internal;
bool m_use_dummy;
};
protected:
bool DoExecute(Args &command, CommandReturnObject &result) override {
Target &target = GetSelectedOrDummyTarget(m_options.m_use_dummy);
const BreakpointList &breakpoints =
target.GetBreakpointList(m_options.m_internal);
std::unique_lock<std::recursive_mutex> lock;
target.GetBreakpointList(m_options.m_internal).GetListMutex(lock);
size_t num_breakpoints = breakpoints.GetSize();
if (num_breakpoints == 0) {
result.AppendMessage("No breakpoints currently set.");
result.SetStatus(eReturnStatusSuccessFinishNoResult);
return true;
}
Stream &output_stream = result.GetOutputStream();
if (command.empty()) {
// No breakpoint selected; show info about all currently set breakpoints.
result.AppendMessage("Current breakpoints:");
for (size_t i = 0; i < num_breakpoints; ++i) {
Breakpoint *breakpoint = breakpoints.GetBreakpointAtIndex(i).get();
if (breakpoint->AllowList())
AddBreakpointDescription(&output_stream, breakpoint,
m_options.m_level);
}
result.SetStatus(eReturnStatusSuccessFinishNoResult);
} else {
// Particular breakpoints selected; show info about that breakpoint.
BreakpointIDList valid_bp_ids;
CommandObjectMultiwordBreakpoint::VerifyBreakpointOrLocationIDs(
command, &target, result, &valid_bp_ids,
BreakpointName::Permissions::PermissionKinds::listPerm);
if (result.Succeeded()) {
for (size_t i = 0; i < valid_bp_ids.GetSize(); ++i) {
BreakpointID cur_bp_id = valid_bp_ids.GetBreakpointIDAtIndex(i);
Breakpoint *breakpoint =
target.GetBreakpointByID(cur_bp_id.GetBreakpointID()).get();
AddBreakpointDescription(&output_stream, breakpoint,
m_options.m_level);
}
result.SetStatus(eReturnStatusSuccessFinishNoResult);
} else {
result.AppendError("Invalid breakpoint ID.");
result.SetStatus(eReturnStatusFailed);
}
}
return result.Succeeded();
}
private:
CommandOptions m_options;
};
// CommandObjectBreakpointClear
#pragma mark Clear::CommandOptions
#define LLDB_OPTIONS_breakpoint_clear
#include "CommandOptions.inc"
#pragma mark Clear
class CommandObjectBreakpointClear : public CommandObjectParsed {
public:
enum BreakpointClearType { eClearTypeInvalid, eClearTypeFileAndLine };
CommandObjectBreakpointClear(CommandInterpreter &interpreter)
: CommandObjectParsed(interpreter, "breakpoint clear",
"Delete or disable breakpoints matching the "
"specified source file and line.",
"breakpoint clear <cmd-options>"),
m_options() {}
~CommandObjectBreakpointClear() override = default;
Options *GetOptions() override { return &m_options; }
class CommandOptions : public Options {
public:
CommandOptions() : Options(), m_filename(), m_line_num(0) {}
~CommandOptions() override = default;
Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg,
ExecutionContext *execution_context) override {
Status error;
const int short_option = m_getopt_table[option_idx].val;
switch (short_option) {
case 'f':
m_filename.assign(std::string(option_arg));
break;
case 'l':
option_arg.getAsInteger(0, m_line_num);
break;
default:
llvm_unreachable("Unimplemented option");
}
return error;
}
void OptionParsingStarting(ExecutionContext *execution_context) override {
m_filename.clear();
m_line_num = 0;
}
llvm::ArrayRef<OptionDefinition> GetDefinitions() override {
return llvm::makeArrayRef(g_breakpoint_clear_options);
}
// Instance variables to hold the values for command options.
std::string m_filename;
uint32_t m_line_num;
};
protected:
bool DoExecute(Args &command, CommandReturnObject &result) override {
Target &target = GetSelectedOrDummyTarget();
// The following are the various types of breakpoints that could be
// cleared:
// 1). -f -l (clearing breakpoint by source location)
BreakpointClearType break_type = eClearTypeInvalid;
if (m_options.m_line_num != 0)
break_type = eClearTypeFileAndLine;
std::unique_lock<std::recursive_mutex> lock;
target.GetBreakpointList().GetListMutex(lock);
BreakpointList &breakpoints = target.GetBreakpointList();
size_t num_breakpoints = breakpoints.GetSize();
// Early return if there's no breakpoint at all.
if (num_breakpoints == 0) {
result.AppendError("Breakpoint clear: No breakpoint cleared.");
result.SetStatus(eReturnStatusFailed);
return result.Succeeded();
}
// Find matching breakpoints and delete them.
// First create a copy of all the IDs.
std::vector<break_id_t> BreakIDs;
for (size_t i = 0; i < num_breakpoints; ++i)
BreakIDs.push_back(breakpoints.GetBreakpointAtIndex(i)->GetID());
int num_cleared = 0;
StreamString ss;
switch (break_type) {
case eClearTypeFileAndLine: // Breakpoint by source position
{
const ConstString filename(m_options.m_filename.c_str());
BreakpointLocationCollection loc_coll;
for (size_t i = 0; i < num_breakpoints; ++i) {
Breakpoint *bp = breakpoints.FindBreakpointByID(BreakIDs[i]).get();
if (bp->GetMatchingFileLine(filename, m_options.m_line_num, loc_coll)) {
// If the collection size is 0, it's a full match and we can just
// remove the breakpoint.
if (loc_coll.GetSize() == 0) {
bp->GetDescription(&ss, lldb::eDescriptionLevelBrief);
ss.EOL();
target.RemoveBreakpointByID(bp->GetID());
++num_cleared;
}
}
}
} break;
default:
break;
}
if (num_cleared > 0) {
Stream &output_stream = result.GetOutputStream();
output_stream.Printf("%d breakpoints cleared:\n", num_cleared);
output_stream << ss.GetString();
output_stream.EOL();
result.SetStatus(eReturnStatusSuccessFinishNoResult);
} else {
result.AppendError("Breakpoint clear: No breakpoint cleared.");
result.SetStatus(eReturnStatusFailed);
}
return result.Succeeded();
}
private:
CommandOptions m_options;
};
// CommandObjectBreakpointDelete
#define LLDB_OPTIONS_breakpoint_delete
#include "CommandOptions.inc"
#pragma mark Delete
class CommandObjectBreakpointDelete : public CommandObjectParsed {
public:
CommandObjectBreakpointDelete(CommandInterpreter &interpreter)
: CommandObjectParsed(interpreter, "breakpoint delete",
"Delete the specified breakpoint(s). If no "
"breakpoints are specified, delete them all.",
nullptr),
m_options() {
CommandArgumentEntry arg;
CommandObject::AddIDsArgumentData(arg, eArgTypeBreakpointID,
eArgTypeBreakpointIDRange);
// Add the entry for the first argument for this command to the object's
// arguments vector.
m_arguments.push_back(arg);
}
~CommandObjectBreakpointDelete() override = default;
void
HandleArgumentCompletion(CompletionRequest &request,
OptionElementVector &opt_element_vector) override {
CommandCompletions::InvokeCommonCompletionCallbacks(
GetCommandInterpreter(), CommandCompletions::eBreakpointCompletion,
request, nullptr);
}
Options *GetOptions() override { return &m_options; }
class CommandOptions : public Options {
public:
CommandOptions() : Options(), m_use_dummy(false), m_force(false),
m_delete_disabled(false) {}
~CommandOptions() override = default;
Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg,
ExecutionContext *execution_context) override {
Status error;
const int short_option = m_getopt_table[option_idx].val;
switch (short_option) {
case 'f':
m_force = true;
break;
case 'D':
m_use_dummy = true;
break;
case 'd':
m_delete_disabled = true;
break;
default:
llvm_unreachable("Unimplemented option");
}
return error;
}
void OptionParsingStarting(ExecutionContext *execution_context) override {
m_use_dummy = false;
m_force = false;
m_delete_disabled = false;
}
llvm::ArrayRef<OptionDefinition> GetDefinitions() override {
return llvm::makeArrayRef(g_breakpoint_delete_options);
}
// Instance variables to hold the values for command options.
bool m_use_dummy;
bool m_force;
bool m_delete_disabled;
};
protected:
bool DoExecute(Args &command, CommandReturnObject &result) override {
Target &target = GetSelectedOrDummyTarget(m_options.m_use_dummy);
result.Clear();
std::unique_lock<std::recursive_mutex> lock;
target.GetBreakpointList().GetListMutex(lock);
BreakpointList &breakpoints = target.GetBreakpointList();
size_t num_breakpoints = breakpoints.GetSize();
if (num_breakpoints == 0) {
result.AppendError("No breakpoints exist to be deleted.");
result.SetStatus(eReturnStatusFailed);
return false;
}
if (command.empty() && !m_options.m_delete_disabled) {
if (!m_options.m_force &&
!m_interpreter.Confirm(
"About to delete all breakpoints, do you want to do that?",
true)) {
result.AppendMessage("Operation cancelled...");
} else {
target.RemoveAllowedBreakpoints();
result.AppendMessageWithFormat(
"All breakpoints removed. (%" PRIu64 " breakpoint%s)\n",
(uint64_t)num_breakpoints, num_breakpoints > 1 ? "s" : "");
}
result.SetStatus(eReturnStatusSuccessFinishNoResult);
} else {
// Particular breakpoint selected; disable that breakpoint.
BreakpointIDList valid_bp_ids;
if (m_options.m_delete_disabled) {
BreakpointIDList excluded_bp_ids;
if (!command.empty()) {
CommandObjectMultiwordBreakpoint::VerifyBreakpointOrLocationIDs(
command, &target, result, &excluded_bp_ids,
BreakpointName::Permissions::PermissionKinds::deletePerm);
}
for (auto breakpoint_sp : breakpoints.Breakpoints()) {
if (!breakpoint_sp->IsEnabled() && breakpoint_sp->AllowDelete()) {
BreakpointID bp_id(breakpoint_sp->GetID());
size_t pos = 0;
if (!excluded_bp_ids.FindBreakpointID(bp_id, &pos))
valid_bp_ids.AddBreakpointID(breakpoint_sp->GetID());
}
}
if (valid_bp_ids.GetSize() == 0) {
result.AppendError("No disabled breakpoints.");
result.SetStatus(eReturnStatusFailed);
return false;
}
} else {
CommandObjectMultiwordBreakpoint::VerifyBreakpointOrLocationIDs(
command, &target, result, &valid_bp_ids,
BreakpointName::Permissions::PermissionKinds::deletePerm);
}
if (result.Succeeded()) {
int delete_count = 0;
int disable_count = 0;
const size_t count = valid_bp_ids.GetSize();
for (size_t i = 0; i < count; ++i) {
BreakpointID cur_bp_id = valid_bp_ids.GetBreakpointIDAtIndex(i);
if (cur_bp_id.GetBreakpointID() != LLDB_INVALID_BREAK_ID) {
if (cur_bp_id.GetLocationID() != LLDB_INVALID_BREAK_ID) {
Breakpoint *breakpoint =
target.GetBreakpointByID(cur_bp_id.GetBreakpointID()).get();
BreakpointLocation *location =
breakpoint->FindLocationByID(cur_bp_id.GetLocationID()).get();
// It makes no sense to try to delete individual locations, so we
// disable them instead.
if (location) {
location->SetEnabled(false);
++disable_count;
}
} else {
target.RemoveBreakpointByID(cur_bp_id.GetBreakpointID());
++delete_count;
}
}
}
result.AppendMessageWithFormat(
"%d breakpoints deleted; %d breakpoint locations disabled.\n",
delete_count, disable_count);
result.SetStatus(eReturnStatusSuccessFinishNoResult);
}
}
return result.Succeeded();
}
private:
CommandOptions m_options;
};
// CommandObjectBreakpointName
#define LLDB_OPTIONS_breakpoint_name
#include "CommandOptions.inc"
class BreakpointNameOptionGroup : public OptionGroup {
public:
BreakpointNameOptionGroup()
: OptionGroup(), m_breakpoint(LLDB_INVALID_BREAK_ID), m_use_dummy(false) {
}
~BreakpointNameOptionGroup() override = default;
llvm::ArrayRef<OptionDefinition> GetDefinitions() override {
return llvm::makeArrayRef(g_breakpoint_name_options);
}
Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg,
ExecutionContext *execution_context) override {
Status error;
const int short_option = g_breakpoint_name_options[option_idx].short_option;
switch (short_option) {
case 'N':
if (BreakpointID::StringIsBreakpointName(option_arg, error) &&
error.Success())
m_name.SetValueFromString(option_arg);
break;
case 'B':
if (m_breakpoint.SetValueFromString(option_arg).Fail())
error.SetErrorStringWithFormat(
"unrecognized value \"%s\" for breakpoint",
option_arg.str().c_str());
break;
case 'D':
if (m_use_dummy.SetValueFromString(option_arg).Fail())
error.SetErrorStringWithFormat(
"unrecognized value \"%s\" for use-dummy",
option_arg.str().c_str());
break;
case 'H':
m_help_string.SetValueFromString(option_arg);
break;
default:
llvm_unreachable("Unimplemented option");
}
return error;
}
void OptionParsingStarting(ExecutionContext *execution_context) override {
m_name.Clear();
m_breakpoint.Clear();
m_use_dummy.Clear();
m_use_dummy.SetDefaultValue(false);
m_help_string.Clear();
}
OptionValueString m_name;
OptionValueUInt64 m_breakpoint;
OptionValueBoolean m_use_dummy;
OptionValueString m_help_string;
};
#define LLDB_OPTIONS_breakpoint_access
#include "CommandOptions.inc"
class BreakpointAccessOptionGroup : public OptionGroup {
public:
BreakpointAccessOptionGroup() : OptionGroup() {}
~BreakpointAccessOptionGroup() override = default;
llvm::ArrayRef<OptionDefinition> GetDefinitions() override {
return llvm::makeArrayRef(g_breakpoint_access_options);
}
Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg,
ExecutionContext *execution_context) override {
Status error;
const int short_option =
g_breakpoint_access_options[option_idx].short_option;
switch (short_option) {
case 'L': {
bool value, success;
value = OptionArgParser::ToBoolean(option_arg, false, &success);
if (success) {
m_permissions.SetAllowList(value);
} else
error.SetErrorStringWithFormat(
"invalid boolean value '%s' passed for -L option",
option_arg.str().c_str());
} break;
case 'A': {
bool value, success;
value = OptionArgParser::ToBoolean(option_arg, false, &success);
if (success) {
m_permissions.SetAllowDisable(value);
} else
error.SetErrorStringWithFormat(
"invalid boolean value '%s' passed for -L option",
option_arg.str().c_str());
} break;
case 'D': {
bool value, success;
value = OptionArgParser::ToBoolean(option_arg, false, &success);
if (success) {
m_permissions.SetAllowDelete(value);
} else
error.SetErrorStringWithFormat(
"invalid boolean value '%s' passed for -L option",
option_arg.str().c_str());
} break;
default:
llvm_unreachable("Unimplemented option");
}
return error;
}
void OptionParsingStarting(ExecutionContext *execution_context) override {}
const BreakpointName::Permissions &GetPermissions() const {
return m_permissions;
}
BreakpointName::Permissions m_permissions;
};
class CommandObjectBreakpointNameConfigure : public CommandObjectParsed {
public:
CommandObjectBreakpointNameConfigure(CommandInterpreter &interpreter)
: CommandObjectParsed(
interpreter, "configure",
"Configure the options for the breakpoint"
" name provided. "
"If you provide a breakpoint id, the options will be copied from "
"the breakpoint, otherwise only the options specified will be set "
"on the name.",
"breakpoint name configure <command-options> "
"<breakpoint-name-list>"),
m_bp_opts(), m_option_group() {
// Create the first variant for the first (and only) argument for this
// command.
CommandArgumentEntry arg1;
CommandArgumentData id_arg;
id_arg.arg_type = eArgTypeBreakpointName;
id_arg.arg_repetition = eArgRepeatOptional;
arg1.push_back(id_arg);
m_arguments.push_back(arg1);
m_option_group.Append(&m_bp_opts, LLDB_OPT_SET_ALL, LLDB_OPT_SET_1);
m_option_group.Append(&m_access_options, LLDB_OPT_SET_ALL,
LLDB_OPT_SET_ALL);
m_option_group.Append(&m_bp_id, LLDB_OPT_SET_2 | LLDB_OPT_SET_4,
LLDB_OPT_SET_ALL);
m_option_group.Finalize();
}
~CommandObjectBreakpointNameConfigure() override = default;
Options *GetOptions() override { return &m_option_group; }
protected:
bool DoExecute(Args &command, CommandReturnObject &result) override {
const size_t argc = command.GetArgumentCount();
if (argc == 0) {
result.AppendError("No names provided.");
result.SetStatus(eReturnStatusFailed);
return false;
}
Target &target = GetSelectedOrDummyTarget(false);
std::unique_lock<std::recursive_mutex> lock;
target.GetBreakpointList().GetListMutex(lock);
// Make a pass through first to see that all the names are legal.
for (auto &entry : command.entries()) {
Status error;
if (!BreakpointID::StringIsBreakpointName(entry.ref(), error)) {
result.AppendErrorWithFormat("Invalid breakpoint name: %s - %s",
entry.c_str(), error.AsCString());
result.SetStatus(eReturnStatusFailed);
return false;
}
}
// Now configure them, we already pre-checked the names so we don't need to
// check the error:
BreakpointSP bp_sp;
if (m_bp_id.m_breakpoint.OptionWasSet()) {
lldb::break_id_t bp_id = m_bp_id.m_breakpoint.GetUInt64Value();
bp_sp = target.GetBreakpointByID(bp_id);
if (!bp_sp) {
result.AppendErrorWithFormatv("Could not find specified breakpoint {0}",
bp_id);
result.SetStatus(eReturnStatusFailed);
return false;
}
}
Status error;
for (auto &entry : command.entries()) {
ConstString name(entry.c_str());
BreakpointName *bp_name = target.FindBreakpointName(name, true, error);
if (!bp_name)
continue;
if (m_bp_id.m_help_string.OptionWasSet())
bp_name->SetHelp(m_bp_id.m_help_string.GetStringValue().str().c_str());
if (bp_sp)
target.ConfigureBreakpointName(*bp_name, *bp_sp->GetOptions(),
m_access_options.GetPermissions());
else
target.ConfigureBreakpointName(*bp_name,
m_bp_opts.GetBreakpointOptions(),
m_access_options.GetPermissions());
}
return true;
}
private:
BreakpointNameOptionGroup m_bp_id; // Only using the id part of this.
BreakpointOptionGroup m_bp_opts;
BreakpointAccessOptionGroup m_access_options;
OptionGroupOptions m_option_group;
};
class CommandObjectBreakpointNameAdd : public CommandObjectParsed {
public:
CommandObjectBreakpointNameAdd(CommandInterpreter &interpreter)
: CommandObjectParsed(
interpreter, "add", "Add a name to the breakpoints provided.",
"breakpoint name add <command-options> <breakpoint-id-list>"),
m_name_options(), m_option_group() {
// Create the first variant for the first (and only) argument for this
// command.
CommandArgumentEntry arg1;
CommandArgumentData id_arg;
id_arg.arg_type = eArgTypeBreakpointID;
id_arg.arg_repetition = eArgRepeatOptional;
arg1.push_back(id_arg);
m_arguments.push_back(arg1);
m_option_group.Append(&m_name_options, LLDB_OPT_SET_1, LLDB_OPT_SET_ALL);
m_option_group.Finalize();
}
~CommandObjectBreakpointNameAdd() override = default;
void
HandleArgumentCompletion(CompletionRequest &request,
OptionElementVector &opt_element_vector) override {
CommandCompletions::InvokeCommonCompletionCallbacks(
GetCommandInterpreter(), CommandCompletions::eBreakpointCompletion,
request, nullptr);
}
Options *GetOptions() override { return &m_option_group; }
protected:
bool DoExecute(Args &command, CommandReturnObject &result) override {
if (!m_name_options.m_name.OptionWasSet()) {
result.SetError("No name option provided.");
return false;
}
Target &target =
GetSelectedOrDummyTarget(m_name_options.m_use_dummy.GetCurrentValue());
std::unique_lock<std::recursive_mutex> lock;
target.GetBreakpointList().GetListMutex(lock);
const BreakpointList &breakpoints = target.GetBreakpointList();
size_t num_breakpoints = breakpoints.GetSize();
if (num_breakpoints == 0) {
result.SetError("No breakpoints, cannot add names.");
result.SetStatus(eReturnStatusFailed);
return false;
}
// Particular breakpoint selected; disable that breakpoint.
BreakpointIDList valid_bp_ids;
CommandObjectMultiwordBreakpoint::VerifyBreakpointIDs(
command, &target, result, &valid_bp_ids,
BreakpointName::Permissions::PermissionKinds::listPerm);
if (result.Succeeded()) {
if (valid_bp_ids.GetSize() == 0) {
result.SetError("No breakpoints specified, cannot add names.");
result.SetStatus(eReturnStatusFailed);
return false;
}
size_t num_valid_ids = valid_bp_ids.GetSize();
const char *bp_name = m_name_options.m_name.GetCurrentValue();
Status error; // This error reports illegal names, but we've already
// checked that, so we don't need to check it again here.
for (size_t index = 0; index < num_valid_ids; index++) {
lldb::break_id_t bp_id =
valid_bp_ids.GetBreakpointIDAtIndex(index).GetBreakpointID();
BreakpointSP bp_sp = breakpoints.FindBreakpointByID(bp_id);
target.AddNameToBreakpoint(bp_sp, bp_name, error);
}
}
return true;
}
private:
BreakpointNameOptionGroup m_name_options;
OptionGroupOptions m_option_group;
};
class CommandObjectBreakpointNameDelete : public CommandObjectParsed {
public:
CommandObjectBreakpointNameDelete(CommandInterpreter &interpreter)
: CommandObjectParsed(
interpreter, "delete",
"Delete a name from the breakpoints provided.",
"breakpoint name delete <command-options> <breakpoint-id-list>"),
m_name_options(), m_option_group() {
// Create the first variant for the first (and only) argument for this
// command.
CommandArgumentEntry arg1;
CommandArgumentData id_arg;
id_arg.arg_type = eArgTypeBreakpointID;
id_arg.arg_repetition = eArgRepeatOptional;
arg1.push_back(id_arg);
m_arguments.push_back(arg1);
m_option_group.Append(&m_name_options, LLDB_OPT_SET_1, LLDB_OPT_SET_ALL);
m_option_group.Finalize();
}
~CommandObjectBreakpointNameDelete() override = default;
void
HandleArgumentCompletion(CompletionRequest &request,
OptionElementVector &opt_element_vector) override {
CommandCompletions::InvokeCommonCompletionCallbacks(
GetCommandInterpreter(), CommandCompletions::eBreakpointCompletion,
request, nullptr);
}
Options *GetOptions() override { return &m_option_group; }
protected:
bool DoExecute(Args &command, CommandReturnObject &result) override {
if (!m_name_options.m_name.OptionWasSet()) {
result.SetError("No name option provided.");
return false;
}
Target &target =
GetSelectedOrDummyTarget(m_name_options.m_use_dummy.GetCurrentValue());
std::unique_lock<std::recursive_mutex> lock;
target.GetBreakpointList().GetListMutex(lock);
const BreakpointList &breakpoints = target.GetBreakpointList();
size_t num_breakpoints = breakpoints.GetSize();
if (num_breakpoints == 0) {
result.SetError("No breakpoints, cannot delete names.");
result.SetStatus(eReturnStatusFailed);
return false;
}
// Particular breakpoint selected; disable that breakpoint.
BreakpointIDList valid_bp_ids;
CommandObjectMultiwordBreakpoint::VerifyBreakpointIDs(
command, &target, result, &valid_bp_ids,
BreakpointName::Permissions::PermissionKinds::deletePerm);
if (result.Succeeded()) {
if (valid_bp_ids.GetSize() == 0) {
result.SetError("No breakpoints specified, cannot delete names.");
result.SetStatus(eReturnStatusFailed);
return false;
}
ConstString bp_name(m_name_options.m_name.GetCurrentValue());
size_t num_valid_ids = valid_bp_ids.GetSize();
for (size_t index = 0; index < num_valid_ids; index++) {
lldb::break_id_t bp_id =
valid_bp_ids.GetBreakpointIDAtIndex(index).GetBreakpointID();
BreakpointSP bp_sp = breakpoints.FindBreakpointByID(bp_id);
target.RemoveNameFromBreakpoint(bp_sp, bp_name);
}
}
return true;
}
private:
BreakpointNameOptionGroup m_name_options;
OptionGroupOptions m_option_group;
};
class CommandObjectBreakpointNameList : public CommandObjectParsed {
public:
CommandObjectBreakpointNameList(CommandInterpreter &interpreter)
: CommandObjectParsed(interpreter, "list",
"List either the names for a breakpoint or info "
"about a given name. With no arguments, lists all "
"names",
"breakpoint name list <command-options>"),
m_name_options(), m_option_group() {
m_option_group.Append(&m_name_options, LLDB_OPT_SET_3, LLDB_OPT_SET_ALL);
m_option_group.Finalize();
}
~CommandObjectBreakpointNameList() override = default;
Options *GetOptions() override { return &m_option_group; }
protected:
bool DoExecute(Args &command, CommandReturnObject &result) override {
Target &target =
GetSelectedOrDummyTarget(m_name_options.m_use_dummy.GetCurrentValue());
std::vector<std::string> name_list;
if (command.empty()) {
target.GetBreakpointNames(name_list);
} else {
for (const Args::ArgEntry &arg : command) {
name_list.push_back(arg.c_str());
}
}
if (name_list.empty()) {
result.AppendMessage("No breakpoint names found.");
} else {
for (const std::string &name_str : name_list) {
const char *name = name_str.c_str();
// First print out the options for the name:
Status error;
BreakpointName *bp_name =
target.FindBreakpointName(ConstString(name), false, error);
if (bp_name) {
StreamString s;
result.AppendMessageWithFormat("Name: %s\n", name);
if (bp_name->GetDescription(&s, eDescriptionLevelFull)) {
result.AppendMessage(s.GetString());
}
std::unique_lock<std::recursive_mutex> lock;
target.GetBreakpointList().GetListMutex(lock);
BreakpointList &breakpoints = target.GetBreakpointList();
bool any_set = false;
for (BreakpointSP bp_sp : breakpoints.Breakpoints()) {
if (bp_sp->MatchesName(name)) {
StreamString s;
any_set = true;
bp_sp->GetDescription(&s, eDescriptionLevelBrief);
s.EOL();
result.AppendMessage(s.GetString());
}
}
if (!any_set)
result.AppendMessage("No breakpoints using this name.");
} else {
result.AppendMessageWithFormat("Name: %s not found.\n", name);
}
}
}
return true;
}
private:
BreakpointNameOptionGroup m_name_options;
OptionGroupOptions m_option_group;
};
// CommandObjectBreakpointName
class CommandObjectBreakpointName : public CommandObjectMultiword {
public:
CommandObjectBreakpointName(CommandInterpreter &interpreter)
: CommandObjectMultiword(
interpreter, "name", "Commands to manage name tags for breakpoints",
"breakpoint name <subcommand> [<command-options>]") {
CommandObjectSP add_command_object(
new CommandObjectBreakpointNameAdd(interpreter));
CommandObjectSP delete_command_object(
new CommandObjectBreakpointNameDelete(interpreter));
CommandObjectSP list_command_object(
new CommandObjectBreakpointNameList(interpreter));
CommandObjectSP configure_command_object(
new CommandObjectBreakpointNameConfigure(interpreter));
LoadSubCommand("add", add_command_object);
LoadSubCommand("delete", delete_command_object);
LoadSubCommand("list", list_command_object);
LoadSubCommand("configure", configure_command_object);
}
~CommandObjectBreakpointName() override = default;
};
// CommandObjectBreakpointRead
#pragma mark Read::CommandOptions
#define LLDB_OPTIONS_breakpoint_read
#include "CommandOptions.inc"
#pragma mark Read
class CommandObjectBreakpointRead : public CommandObjectParsed {
public:
CommandObjectBreakpointRead(CommandInterpreter &interpreter)
: CommandObjectParsed(interpreter, "breakpoint read",
"Read and set the breakpoints previously saved to "
"a file with \"breakpoint write\". ",
nullptr),
m_options() {}
~CommandObjectBreakpointRead() override = default;
Options *GetOptions() override { return &m_options; }
class CommandOptions : public Options {
public:
CommandOptions() : Options() {}
~CommandOptions() override = default;
Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg,
ExecutionContext *execution_context) override {
Status error;
const int short_option = m_getopt_table[option_idx].val;
switch (short_option) {
case 'f':
m_filename.assign(std::string(option_arg));
break;
case 'N': {
Status name_error;
if (!BreakpointID::StringIsBreakpointName(llvm::StringRef(option_arg),
name_error)) {
error.SetErrorStringWithFormat("Invalid breakpoint name: %s",
name_error.AsCString());
}
m_names.push_back(std::string(option_arg));
break;
}
default:
llvm_unreachable("Unimplemented option");
}
return error;
}
void OptionParsingStarting(ExecutionContext *execution_context) override {
m_filename.clear();
m_names.clear();
}
llvm::ArrayRef<OptionDefinition> GetDefinitions() override {
return llvm::makeArrayRef(g_breakpoint_read_options);
}
void HandleOptionArgumentCompletion(
CompletionRequest &request, OptionElementVector &opt_element_vector,
int opt_element_index, CommandInterpreter &interpreter) override {
int opt_arg_pos = opt_element_vector[opt_element_index].opt_arg_pos;
int opt_defs_index = opt_element_vector[opt_element_index].opt_defs_index;
switch (GetDefinitions()[opt_defs_index].short_option) {
case 'f':
CommandCompletions::InvokeCommonCompletionCallbacks(
interpreter, CommandCompletions::eDiskFileCompletion, request,
nullptr);
break;
case 'N':
llvm::Optional<FileSpec> file_spec;
const llvm::StringRef dash_f("-f");
for (int arg_idx = 0; arg_idx < opt_arg_pos; arg_idx++) {
if (dash_f == request.GetParsedLine().GetArgumentAtIndex(arg_idx)) {
file_spec.emplace(
request.GetParsedLine().GetArgumentAtIndex(arg_idx + 1));
break;
}
}
if (!file_spec)
return;
FileSystem::Instance().Resolve(*file_spec);
Status error;
StructuredData::ObjectSP input_data_sp =
StructuredData::ParseJSONFromFile(*file_spec, error);
if (!error.Success())
return;
StructuredData::Array *bkpt_array = input_data_sp->GetAsArray();
if (!bkpt_array)
return;
const size_t num_bkpts = bkpt_array->GetSize();
for (size_t i = 0; i < num_bkpts; i++) {
StructuredData::ObjectSP bkpt_object_sp =
bkpt_array->GetItemAtIndex(i);
if (!bkpt_object_sp)
return;
StructuredData::Dictionary *bkpt_dict =
bkpt_object_sp->GetAsDictionary();
if (!bkpt_dict)
return;
StructuredData::ObjectSP bkpt_data_sp =
bkpt_dict->GetValueForKey(Breakpoint::GetSerializationKey());
if (!bkpt_data_sp)
return;
bkpt_dict = bkpt_data_sp->GetAsDictionary();
if (!bkpt_dict)
return;
StructuredData::Array *names_array;
if (!bkpt_dict->GetValueForKeyAsArray("Names", names_array))
return;
size_t num_names = names_array->GetSize();
for (size_t i = 0; i < num_names; i++) {
llvm::StringRef name;
if (names_array->GetItemAtIndexAsString(i, name))
request.TryCompleteCurrentArg(name);
}
}
}
}
std::string m_filename;
std::vector<std::string> m_names;
};
protected:
bool DoExecute(Args &command, CommandReturnObject &result) override {
Target &target = GetSelectedOrDummyTarget();
std::unique_lock<std::recursive_mutex> lock;
target.GetBreakpointList().GetListMutex(lock);
FileSpec input_spec(m_options.m_filename);
FileSystem::Instance().Resolve(input_spec);
BreakpointIDList new_bps;
Status error = target.CreateBreakpointsFromFile(input_spec,
m_options.m_names, new_bps);
if (!error.Success()) {
result.AppendError(error.AsCString());
result.SetStatus(eReturnStatusFailed);
return false;
}
Stream &output_stream = result.GetOutputStream();
size_t num_breakpoints = new_bps.GetSize();
if (num_breakpoints == 0) {
result.AppendMessage("No breakpoints added.");
} else {
// No breakpoint selected; show info about all currently set breakpoints.
result.AppendMessage("New breakpoints:");
for (size_t i = 0; i < num_breakpoints; ++i) {
BreakpointID bp_id = new_bps.GetBreakpointIDAtIndex(i);
Breakpoint *bp = target.GetBreakpointList()
.FindBreakpointByID(bp_id.GetBreakpointID())
.get();
if (bp)
bp->GetDescription(&output_stream, lldb::eDescriptionLevelInitial,
false);
}
}
return result.Succeeded();
}
private:
CommandOptions m_options;
};
// CommandObjectBreakpointWrite
#pragma mark Write::CommandOptions
#define LLDB_OPTIONS_breakpoint_write
#include "CommandOptions.inc"
#pragma mark Write
class CommandObjectBreakpointWrite : public CommandObjectParsed {
public:
CommandObjectBreakpointWrite(CommandInterpreter &interpreter)
: CommandObjectParsed(interpreter, "breakpoint write",
"Write the breakpoints listed to a file that can "
"be read in with \"breakpoint read\". "
"If given no arguments, writes all breakpoints.",
nullptr),
m_options() {
CommandArgumentEntry arg;
CommandObject::AddIDsArgumentData(arg, eArgTypeBreakpointID,
eArgTypeBreakpointIDRange);
// Add the entry for the first argument for this command to the object's
// arguments vector.
m_arguments.push_back(arg);
}
~CommandObjectBreakpointWrite() override = default;
void
HandleArgumentCompletion(CompletionRequest &request,
OptionElementVector &opt_element_vector) override {
CommandCompletions::InvokeCommonCompletionCallbacks(
GetCommandInterpreter(), CommandCompletions::eBreakpointCompletion,
request, nullptr);
}
Options *GetOptions() override { return &m_options; }
class CommandOptions : public Options {
public:
CommandOptions() : Options() {}
~CommandOptions() override = default;
Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg,
ExecutionContext *execution_context) override {
Status error;
const int short_option = m_getopt_table[option_idx].val;
switch (short_option) {
case 'f':
m_filename.assign(std::string(option_arg));
break;
case 'a':
m_append = true;
break;
default:
llvm_unreachable("Unimplemented option");
}
return error;
}
void OptionParsingStarting(ExecutionContext *execution_context) override {
m_filename.clear();
m_append = false;
}
llvm::ArrayRef<OptionDefinition> GetDefinitions() override {
return llvm::makeArrayRef(g_breakpoint_write_options);
}
// Instance variables to hold the values for command options.
std::string m_filename;
bool m_append = false;
};
protected:
bool DoExecute(Args &command, CommandReturnObject &result) override {
Target &target = GetSelectedOrDummyTarget();
std::unique_lock<std::recursive_mutex> lock;
target.GetBreakpointList().GetListMutex(lock);
BreakpointIDList valid_bp_ids;
if (!command.empty()) {
CommandObjectMultiwordBreakpoint::VerifyBreakpointIDs(
command, &target, result, &valid_bp_ids,
BreakpointName::Permissions::PermissionKinds::listPerm);
if (!result.Succeeded()) {
result.SetStatus(eReturnStatusFailed);
return false;
}
}
FileSpec file_spec(m_options.m_filename);
FileSystem::Instance().Resolve(file_spec);
Status error = target.SerializeBreakpointsToFile(file_spec, valid_bp_ids,
m_options.m_append);
if (!error.Success()) {
result.AppendErrorWithFormat("error serializing breakpoints: %s.",
error.AsCString());
result.SetStatus(eReturnStatusFailed);
}
return result.Succeeded();
}
private:
CommandOptions m_options;
};
// CommandObjectMultiwordBreakpoint
#pragma mark MultiwordBreakpoint
CommandObjectMultiwordBreakpoint::CommandObjectMultiwordBreakpoint(
CommandInterpreter &interpreter)
: CommandObjectMultiword(
interpreter, "breakpoint",
"Commands for operating on breakpoints (see 'help b' for shorthand.)",
"breakpoint <subcommand> [<command-options>]") {
CommandObjectSP list_command_object(
new CommandObjectBreakpointList(interpreter));
CommandObjectSP enable_command_object(
new CommandObjectBreakpointEnable(interpreter));
CommandObjectSP disable_command_object(
new CommandObjectBreakpointDisable(interpreter));
CommandObjectSP clear_command_object(
new CommandObjectBreakpointClear(interpreter));
CommandObjectSP delete_command_object(
new CommandObjectBreakpointDelete(interpreter));
CommandObjectSP set_command_object(
new CommandObjectBreakpointSet(interpreter));
CommandObjectSP command_command_object(
new CommandObjectBreakpointCommand(interpreter));
CommandObjectSP modify_command_object(
new CommandObjectBreakpointModify(interpreter));
CommandObjectSP name_command_object(
new CommandObjectBreakpointName(interpreter));
CommandObjectSP write_command_object(
new CommandObjectBreakpointWrite(interpreter));
CommandObjectSP read_command_object(
new CommandObjectBreakpointRead(interpreter));
list_command_object->SetCommandName("breakpoint list");
enable_command_object->SetCommandName("breakpoint enable");
disable_command_object->SetCommandName("breakpoint disable");
clear_command_object->SetCommandName("breakpoint clear");
delete_command_object->SetCommandName("breakpoint delete");
set_command_object->SetCommandName("breakpoint set");
command_command_object->SetCommandName("breakpoint command");
modify_command_object->SetCommandName("breakpoint modify");
name_command_object->SetCommandName("breakpoint name");
write_command_object->SetCommandName("breakpoint write");
read_command_object->SetCommandName("breakpoint read");
LoadSubCommand("list", list_command_object);
LoadSubCommand("enable", enable_command_object);
LoadSubCommand("disable", disable_command_object);
LoadSubCommand("clear", clear_command_object);
LoadSubCommand("delete", delete_command_object);
LoadSubCommand("set", set_command_object);
LoadSubCommand("command", command_command_object);
LoadSubCommand("modify", modify_command_object);
LoadSubCommand("name", name_command_object);
LoadSubCommand("write", write_command_object);
LoadSubCommand("read", read_command_object);
}
CommandObjectMultiwordBreakpoint::~CommandObjectMultiwordBreakpoint() = default;
void CommandObjectMultiwordBreakpoint::VerifyIDs(
Args &args, Target *target, bool allow_locations,
CommandReturnObject &result, BreakpointIDList *valid_ids,
BreakpointName::Permissions ::PermissionKinds purpose) {
// args can be strings representing 1). integers (for breakpoint ids)
// 2). the full breakpoint & location
// canonical representation
// 3). the word "to" or a hyphen,
// representing a range (in which case there
// had *better* be an entry both before &
// after of one of the first two types.
// 4). A breakpoint name
// If args is empty, we will use the last created breakpoint (if there is
// one.)
Args temp_args;
if (args.empty()) {
if (target->GetLastCreatedBreakpoint()) {
valid_ids->AddBreakpointID(BreakpointID(
target->GetLastCreatedBreakpoint()->GetID(), LLDB_INVALID_BREAK_ID));
result.SetStatus(eReturnStatusSuccessFinishNoResult);
} else {
result.AppendError(
"No breakpoint specified and no last created breakpoint.");
result.SetStatus(eReturnStatusFailed);
}
return;
}
// Create a new Args variable to use; copy any non-breakpoint-id-ranges stuff
// directly from the old ARGS to the new TEMP_ARGS. Do not copy breakpoint
// id range strings over; instead generate a list of strings for all the
// breakpoint ids in the range, and shove all of those breakpoint id strings
// into TEMP_ARGS.
BreakpointIDList::FindAndReplaceIDRanges(args, target, allow_locations,
purpose, result, temp_args);
// NOW, convert the list of breakpoint id strings in TEMP_ARGS into an actual
// BreakpointIDList:
valid_ids->InsertStringArray(temp_args.GetArgumentArrayRef(), result);
// At this point, all of the breakpoint ids that the user passed in have
// been converted to breakpoint IDs and put into valid_ids.
if (result.Succeeded()) {
// Now that we've converted everything from args into a list of breakpoint
// ids, go through our tentative list of breakpoint id's and verify that
// they correspond to valid/currently set breakpoints.
const size_t count = valid_ids->GetSize();
for (size_t i = 0; i < count; ++i) {
BreakpointID cur_bp_id = valid_ids->GetBreakpointIDAtIndex(i);
Breakpoint *breakpoint =
target->GetBreakpointByID(cur_bp_id.GetBreakpointID()).get();
if (breakpoint != nullptr) {
const size_t num_locations = breakpoint->GetNumLocations();
if (static_cast<size_t>(cur_bp_id.GetLocationID()) > num_locations) {
StreamString id_str;
BreakpointID::GetCanonicalReference(
&id_str, cur_bp_id.GetBreakpointID(), cur_bp_id.GetLocationID());
i = valid_ids->GetSize() + 1;
result.AppendErrorWithFormat(
"'%s' is not a currently valid breakpoint/location id.\n",
id_str.GetData());
result.SetStatus(eReturnStatusFailed);
}
} else {
i = valid_ids->GetSize() + 1;
result.AppendErrorWithFormat(
"'%d' is not a currently valid breakpoint ID.\n",
cur_bp_id.GetBreakpointID());
result.SetStatus(eReturnStatusFailed);
}
}
}
}