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//===-- CommandObjectTarget.cpp ---------------------------------*- C++ -*-===//
//
// 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 "CommandObjectTarget.h"
#include "lldb/Core/Debugger.h"
#include "lldb/Core/IOHandler.h"
#include "lldb/Core/Module.h"
#include "lldb/Core/ModuleSpec.h"
#include "lldb/Core/Section.h"
#include "lldb/Core/ValueObjectVariable.h"
#include "lldb/DataFormatters/ValueObjectPrinter.h"
#include "lldb/Host/OptionParser.h"
#include "lldb/Host/StringConvert.h"
#include "lldb/Interpreter/CommandInterpreter.h"
#include "lldb/Interpreter/CommandReturnObject.h"
#include "lldb/Interpreter/OptionArgParser.h"
#include "lldb/Interpreter/OptionGroupArchitecture.h"
#include "lldb/Interpreter/OptionGroupBoolean.h"
#include "lldb/Interpreter/OptionGroupFile.h"
#include "lldb/Interpreter/OptionGroupFormat.h"
#include "lldb/Interpreter/OptionGroupPlatform.h"
#include "lldb/Interpreter/OptionGroupString.h"
#include "lldb/Interpreter/OptionGroupUInt64.h"
#include "lldb/Interpreter/OptionGroupUUID.h"
#include "lldb/Interpreter/OptionGroupValueObjectDisplay.h"
#include "lldb/Interpreter/OptionGroupVariable.h"
#include "lldb/Interpreter/Options.h"
#include "lldb/Symbol/CompileUnit.h"
#include "lldb/Symbol/FuncUnwinders.h"
#include "lldb/Symbol/LineTable.h"
#include "lldb/Symbol/LocateSymbolFile.h"
#include "lldb/Symbol/ObjectFile.h"
#include "lldb/Symbol/SymbolFile.h"
#include "lldb/Symbol/UnwindPlan.h"
#include "lldb/Symbol/VariableList.h"
#include "lldb/Target/ABI.h"
#include "lldb/Target/Process.h"
#include "lldb/Target/RegisterContext.h"
#include "lldb/Target/SectionLoadList.h"
#include "lldb/Target/StackFrame.h"
#include "lldb/Target/Thread.h"
#include "lldb/Target/ThreadSpec.h"
#include "lldb/Utility/Args.h"
#include "lldb/Utility/State.h"
#include "lldb/Utility/Timer.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/FormatAdapters.h"
#include <cerrno>
using namespace lldb;
using namespace lldb_private;
static void DumpTargetInfo(uint32_t target_idx, Target *target,
const char *prefix_cstr,
bool show_stopped_process_status, Stream &strm) {
const ArchSpec &target_arch = target->GetArchitecture();
Module *exe_module = target->GetExecutableModulePointer();
char exe_path[PATH_MAX];
bool exe_valid = false;
if (exe_module)
exe_valid = exe_module->GetFileSpec().GetPath(exe_path, sizeof(exe_path));
if (!exe_valid)
::strcpy(exe_path, "<none>");
strm.Printf("%starget #%u: %s", prefix_cstr ? prefix_cstr : "", target_idx,
exe_path);
uint32_t properties = 0;
if (target_arch.IsValid()) {
strm.Printf("%sarch=", properties++ > 0 ? ", " : " ( ");
target_arch.DumpTriple(strm);
properties++;
}
PlatformSP platform_sp(target->GetPlatform());
if (platform_sp)
strm.Printf("%splatform=%s", properties++ > 0 ? ", " : " ( ",
platform_sp->GetName().GetCString());
ProcessSP process_sp(target->GetProcessSP());
bool show_process_status = false;
if (process_sp) {
lldb::pid_t pid = process_sp->GetID();
StateType state = process_sp->GetState();
if (show_stopped_process_status)
show_process_status = StateIsStoppedState(state, true);
const char *state_cstr = StateAsCString(state);
if (pid != LLDB_INVALID_PROCESS_ID)
strm.Printf("%spid=%" PRIu64, properties++ > 0 ? ", " : " ( ", pid);
strm.Printf("%sstate=%s", properties++ > 0 ? ", " : " ( ", state_cstr);
}
if (properties > 0)
strm.PutCString(" )\n");
else
strm.EOL();
if (show_process_status) {
const bool only_threads_with_stop_reason = true;
const uint32_t start_frame = 0;
const uint32_t num_frames = 1;
const uint32_t num_frames_with_source = 1;
const bool stop_format = false;
process_sp->GetStatus(strm);
process_sp->GetThreadStatus(strm, only_threads_with_stop_reason,
start_frame, num_frames,
num_frames_with_source, stop_format);
}
}
static uint32_t DumpTargetList(TargetList &target_list,
bool show_stopped_process_status, Stream &strm) {
const uint32_t num_targets = target_list.GetNumTargets();
if (num_targets) {
TargetSP selected_target_sp(target_list.GetSelectedTarget());
strm.PutCString("Current targets:\n");
for (uint32_t i = 0; i < num_targets; ++i) {
TargetSP target_sp(target_list.GetTargetAtIndex(i));
if (target_sp) {
bool is_selected = target_sp.get() == selected_target_sp.get();
DumpTargetInfo(i, target_sp.get(), is_selected ? "* " : " ",
show_stopped_process_status, strm);
}
}
}
return num_targets;
}
// Note that the negation in the argument name causes a slightly confusing
// mapping of the enum values.
static constexpr OptionEnumValueElement g_dependents_enumaration[] = {
{
eLoadDependentsDefault,
"default",
"Only load dependents when the target is an executable.",
},
{
eLoadDependentsNo,
"true",
"Don't load dependents, even if the target is an executable.",
},
{
eLoadDependentsYes,
"false",
"Load dependents, even if the target is not an executable.",
},
};
#define LLDB_OPTIONS_target_dependents
#include "CommandOptions.inc"
class OptionGroupDependents : public OptionGroup {
public:
OptionGroupDependents() {}
~OptionGroupDependents() override {}
llvm::ArrayRef<OptionDefinition> GetDefinitions() override {
return llvm::makeArrayRef(g_target_dependents_options);
}
Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_value,
ExecutionContext *execution_context) override {
Status error;
// For compatibility no value means don't load dependents.
if (option_value.empty()) {
m_load_dependent_files = eLoadDependentsNo;
return error;
}
const char short_option =
g_target_dependents_options[option_idx].short_option;
if (short_option == 'd') {
LoadDependentFiles tmp_load_dependents;
tmp_load_dependents = (LoadDependentFiles)OptionArgParser::ToOptionEnum(
option_value, g_target_dependents_options[option_idx].enum_values, 0,
error);
if (error.Success())
m_load_dependent_files = tmp_load_dependents;
} else {
error.SetErrorStringWithFormat("unrecognized short option '%c'",
short_option);
}
return error;
}
Status SetOptionValue(uint32_t, const char *, ExecutionContext *) = delete;
void OptionParsingStarting(ExecutionContext *execution_context) override {
m_load_dependent_files = eLoadDependentsDefault;
}
LoadDependentFiles m_load_dependent_files;
private:
DISALLOW_COPY_AND_ASSIGN(OptionGroupDependents);
};
#pragma mark CommandObjectTargetCreate
// "target create"
class CommandObjectTargetCreate : public CommandObjectParsed {
public:
CommandObjectTargetCreate(CommandInterpreter &interpreter)
: CommandObjectParsed(
interpreter, "target create",
"Create a target using the argument as the main executable.",
nullptr),
m_option_group(), m_arch_option(),
m_core_file(LLDB_OPT_SET_1, false, "core", 'c', 0, eArgTypeFilename,
"Fullpath to a core file to use for this target."),
m_platform_path(LLDB_OPT_SET_1, false, "platform-path", 'P', 0,
eArgTypePath,
"Path to the remote file to use for this target."),
m_symbol_file(LLDB_OPT_SET_1, false, "symfile", 's', 0,
eArgTypeFilename,
"Fullpath to a stand alone debug "
"symbols file for when debug symbols "
"are not in the executable."),
m_remote_file(
LLDB_OPT_SET_1, false, "remote-file", 'r', 0, eArgTypeFilename,
"Fullpath to the file on the remote host if debugging remotely."),
m_add_dependents() {
CommandArgumentEntry arg;
CommandArgumentData file_arg;
// Define the first (and only) variant of this arg.
file_arg.arg_type = eArgTypeFilename;
file_arg.arg_repetition = eArgRepeatPlain;
// There is only one variant this argument could be; put it into the
// argument entry.
arg.push_back(file_arg);
// Push the data for the first argument into the m_arguments vector.
m_arguments.push_back(arg);
m_option_group.Append(&m_arch_option, LLDB_OPT_SET_ALL, LLDB_OPT_SET_1);
m_option_group.Append(&m_core_file, LLDB_OPT_SET_ALL, LLDB_OPT_SET_1);
m_option_group.Append(&m_platform_path, LLDB_OPT_SET_ALL, LLDB_OPT_SET_1);
m_option_group.Append(&m_symbol_file, LLDB_OPT_SET_ALL, LLDB_OPT_SET_1);
m_option_group.Append(&m_remote_file, LLDB_OPT_SET_ALL, LLDB_OPT_SET_1);
m_option_group.Append(&m_add_dependents, LLDB_OPT_SET_ALL, LLDB_OPT_SET_1);
m_option_group.Finalize();
}
~CommandObjectTargetCreate() override = default;
Options *GetOptions() override { return &m_option_group; }
void
HandleArgumentCompletion(CompletionRequest &request,
OptionElementVector &opt_element_vector) override {
CommandCompletions::InvokeCommonCompletionCallbacks(
GetCommandInterpreter(), CommandCompletions::eDiskFileCompletion,
request, nullptr);
}
protected:
bool DoExecute(Args &command, CommandReturnObject &result) override {
const size_t argc = command.GetArgumentCount();
FileSpec core_file(m_core_file.GetOptionValue().GetCurrentValue());
FileSpec remote_file(m_remote_file.GetOptionValue().GetCurrentValue());
if (core_file) {
if (!FileSystem::Instance().Exists(core_file)) {
result.AppendErrorWithFormat("core file '%s' doesn't exist",
core_file.GetPath().c_str());
result.SetStatus(eReturnStatusFailed);
return false;
}
if (!FileSystem::Instance().Readable(core_file)) {
result.AppendErrorWithFormat("core file '%s' is not readable",
core_file.GetPath().c_str());
result.SetStatus(eReturnStatusFailed);
return false;
}
}
if (argc == 1 || core_file || remote_file) {
FileSpec symfile(m_symbol_file.GetOptionValue().GetCurrentValue());
if (symfile) {
if (FileSystem::Instance().Exists(symfile)) {
if (!FileSystem::Instance().Readable(symfile)) {
result.AppendErrorWithFormat("symbol file '%s' is not readable",
symfile.GetPath().c_str());
result.SetStatus(eReturnStatusFailed);
return false;
}
} else {
char symfile_path[PATH_MAX];
symfile.GetPath(symfile_path, sizeof(symfile_path));
result.AppendErrorWithFormat("invalid symbol file path '%s'",
symfile_path);
result.SetStatus(eReturnStatusFailed);
return false;
}
}
const char *file_path = command.GetArgumentAtIndex(0);
static Timer::Category func_cat(LLVM_PRETTY_FUNCTION);
Timer scoped_timer(func_cat, "(lldb) target create '%s'", file_path);
FileSpec file_spec;
if (file_path) {
file_spec.SetFile(file_path, FileSpec::Style::native);
FileSystem::Instance().Resolve(file_spec);
}
bool must_set_platform_path = false;
Debugger &debugger = GetDebugger();
TargetSP target_sp;
llvm::StringRef arch_cstr = m_arch_option.GetArchitectureName();
Status error(debugger.GetTargetList().CreateTarget(
debugger, file_path, arch_cstr,
m_add_dependents.m_load_dependent_files, nullptr, target_sp));
if (target_sp) {
// Only get the platform after we create the target because we might
// have switched platforms depending on what the arguments were to
// CreateTarget() we can't rely on the selected platform.
PlatformSP platform_sp = target_sp->GetPlatform();
if (remote_file) {
if (platform_sp) {
// I have a remote file.. two possible cases
if (file_spec && FileSystem::Instance().Exists(file_spec)) {
// if the remote file does not exist, push it there
if (!platform_sp->GetFileExists(remote_file)) {
Status err = platform_sp->PutFile(file_spec, remote_file);
if (err.Fail()) {
result.AppendError(err.AsCString());
result.SetStatus(eReturnStatusFailed);
return false;
}
}
} else {
// there is no local file and we need one
// in order to make the remote ---> local transfer we need a
// platform
// TODO: if the user has passed in a --platform argument, use it
// to fetch the right platform
if (!platform_sp) {
result.AppendError(
"unable to perform remote debugging without a platform");
result.SetStatus(eReturnStatusFailed);
return false;
}
if (file_path) {
// copy the remote file to the local file
Status err = platform_sp->GetFile(remote_file, file_spec);
if (err.Fail()) {
result.AppendError(err.AsCString());
result.SetStatus(eReturnStatusFailed);
return false;
}
} else {
// make up a local file
result.AppendError("remote --> local transfer without local "
"path is not implemented yet");
result.SetStatus(eReturnStatusFailed);
return false;
}
}
} else {
result.AppendError("no platform found for target");
result.SetStatus(eReturnStatusFailed);
return false;
}
}
if (symfile || remote_file) {
ModuleSP module_sp(target_sp->GetExecutableModule());
if (module_sp) {
if (symfile)
module_sp->SetSymbolFileFileSpec(symfile);
if (remote_file) {
std::string remote_path = remote_file.GetPath();
target_sp->SetArg0(remote_path.c_str());
module_sp->SetPlatformFileSpec(remote_file);
}
}
}
debugger.GetTargetList().SetSelectedTarget(target_sp.get());
if (must_set_platform_path) {
ModuleSpec main_module_spec(file_spec);
ModuleSP module_sp = target_sp->GetOrCreateModule(main_module_spec,
true /* notify */);
if (module_sp)
module_sp->SetPlatformFileSpec(remote_file);
}
if (core_file) {
char core_path[PATH_MAX];
core_file.GetPath(core_path, sizeof(core_path));
if (FileSystem::Instance().Exists(core_file)) {
if (!FileSystem::Instance().Readable(core_file)) {
result.AppendMessageWithFormat(
"Core file '%s' is not readable.\n", core_path);
result.SetStatus(eReturnStatusFailed);
return false;
}
FileSpec core_file_dir;
core_file_dir.GetDirectory() = core_file.GetDirectory();
target_sp->AppendExecutableSearchPaths(core_file_dir);
ProcessSP process_sp(target_sp->CreateProcess(
GetDebugger().GetListener(), llvm::StringRef(), &core_file));
if (process_sp) {
// Seems weird that we Launch a core file, but that is what we
// do!
error = process_sp->LoadCore();
if (error.Fail()) {
result.AppendError(
error.AsCString("can't find plug-in for core file"));
result.SetStatus(eReturnStatusFailed);
return false;
} else {
result.AppendMessageWithFormat(
"Core file '%s' (%s) was loaded.\n", core_path,
target_sp->GetArchitecture().GetArchitectureName());
result.SetStatus(eReturnStatusSuccessFinishNoResult);
}
} else {
result.AppendErrorWithFormat(
"Unable to find process plug-in for core file '%s'\n",
core_path);
result.SetStatus(eReturnStatusFailed);
}
} else {
result.AppendErrorWithFormat("Core file '%s' does not exist\n",
core_path);
result.SetStatus(eReturnStatusFailed);
}
} else {
result.AppendMessageWithFormat(
"Current executable set to '%s' (%s).\n",
file_spec.GetPath().c_str(),
target_sp->GetArchitecture().GetArchitectureName());
result.SetStatus(eReturnStatusSuccessFinishNoResult);
}
} else {
result.AppendError(error.AsCString());
result.SetStatus(eReturnStatusFailed);
}
} else {
result.AppendErrorWithFormat("'%s' takes exactly one executable path "
"argument, or use the --core option.\n",
m_cmd_name.c_str());
result.SetStatus(eReturnStatusFailed);
}
return result.Succeeded();
}
private:
OptionGroupOptions m_option_group;
OptionGroupArchitecture m_arch_option;
OptionGroupFile m_core_file;
OptionGroupFile m_platform_path;
OptionGroupFile m_symbol_file;
OptionGroupFile m_remote_file;
OptionGroupDependents m_add_dependents;
};
#pragma mark CommandObjectTargetList
// "target list"
class CommandObjectTargetList : public CommandObjectParsed {
public:
CommandObjectTargetList(CommandInterpreter &interpreter)
: CommandObjectParsed(
interpreter, "target list",
"List all current targets in the current debug session.", nullptr) {
}
~CommandObjectTargetList() override = default;
protected:
bool DoExecute(Args &args, CommandReturnObject &result) override {
if (args.GetArgumentCount() == 0) {
Stream &strm = result.GetOutputStream();
bool show_stopped_process_status = false;
if (DumpTargetList(GetDebugger().GetTargetList(),
show_stopped_process_status, strm) == 0) {
strm.PutCString("No targets.\n");
}
result.SetStatus(eReturnStatusSuccessFinishResult);
} else {
result.AppendError("the 'target list' command takes no arguments\n");
result.SetStatus(eReturnStatusFailed);
}
return result.Succeeded();
}
};
#pragma mark CommandObjectTargetSelect
// "target select"
class CommandObjectTargetSelect : public CommandObjectParsed {
public:
CommandObjectTargetSelect(CommandInterpreter &interpreter)
: CommandObjectParsed(
interpreter, "target select",
"Select a target as the current target by target index.", nullptr) {
}
~CommandObjectTargetSelect() override = default;
protected:
bool DoExecute(Args &args, CommandReturnObject &result) override {
if (args.GetArgumentCount() == 1) {
bool success = false;
const char *target_idx_arg = args.GetArgumentAtIndex(0);
uint32_t target_idx =
StringConvert::ToUInt32(target_idx_arg, UINT32_MAX, 0, &success);
if (success) {
TargetList &target_list = GetDebugger().GetTargetList();
const uint32_t num_targets = target_list.GetNumTargets();
if (target_idx < num_targets) {
TargetSP target_sp(target_list.GetTargetAtIndex(target_idx));
if (target_sp) {
Stream &strm = result.GetOutputStream();
target_list.SetSelectedTarget(target_sp.get());
bool show_stopped_process_status = false;
DumpTargetList(target_list, show_stopped_process_status, strm);
result.SetStatus(eReturnStatusSuccessFinishResult);
} else {
result.AppendErrorWithFormat("target #%u is NULL in target list\n",
target_idx);
result.SetStatus(eReturnStatusFailed);
}
} else {
if (num_targets > 0) {
result.AppendErrorWithFormat(
"index %u is out of range, valid target indexes are 0 - %u\n",
target_idx, num_targets - 1);
} else {
result.AppendErrorWithFormat(
"index %u is out of range since there are no active targets\n",
target_idx);
}
result.SetStatus(eReturnStatusFailed);
}
} else {
result.AppendErrorWithFormat("invalid index string value '%s'\n",
target_idx_arg);
result.SetStatus(eReturnStatusFailed);
}
} else {
result.AppendError(
"'target select' takes a single argument: a target index\n");
result.SetStatus(eReturnStatusFailed);
}
return result.Succeeded();
}
};
#pragma mark CommandObjectTargetSelect
// "target delete"
class CommandObjectTargetDelete : public CommandObjectParsed {
public:
CommandObjectTargetDelete(CommandInterpreter &interpreter)
: CommandObjectParsed(interpreter, "target delete",
"Delete one or more targets by target index.",
nullptr),
m_option_group(), m_all_option(LLDB_OPT_SET_1, false, "all", 'a',
"Delete all targets.", false, true),
m_cleanup_option(
LLDB_OPT_SET_1, false, "clean", 'c',
"Perform extra cleanup to minimize memory consumption after "
"deleting the target. "
"By default, LLDB will keep in memory any modules previously "
"loaded by the target as well "
"as all of its debug info. Specifying --clean will unload all of "
"these shared modules and "
"cause them to be reparsed again the next time the target is run",
false, true) {
m_option_group.Append(&m_all_option, LLDB_OPT_SET_ALL, LLDB_OPT_SET_1);
m_option_group.Append(&m_cleanup_option, LLDB_OPT_SET_ALL, LLDB_OPT_SET_1);
m_option_group.Finalize();
}
~CommandObjectTargetDelete() override = default;
Options *GetOptions() override { return &m_option_group; }
protected:
bool DoExecute(Args &args, CommandReturnObject &result) override {
const size_t argc = args.GetArgumentCount();
std::vector<TargetSP> delete_target_list;
TargetList &target_list = GetDebugger().GetTargetList();
TargetSP target_sp;
if (m_all_option.GetOptionValue()) {
for (int i = 0; i < target_list.GetNumTargets(); ++i)
delete_target_list.push_back(target_list.GetTargetAtIndex(i));
} else if (argc > 0) {
const uint32_t num_targets = target_list.GetNumTargets();
// Bail out if don't have any targets.
if (num_targets == 0) {
result.AppendError("no targets to delete");
result.SetStatus(eReturnStatusFailed);
return false;
}
for (auto &entry : args.entries()) {
uint32_t target_idx;
if (entry.ref().getAsInteger(0, target_idx)) {
result.AppendErrorWithFormat("invalid target index '%s'\n",
entry.c_str());
result.SetStatus(eReturnStatusFailed);
return false;
}
if (target_idx < num_targets) {
target_sp = target_list.GetTargetAtIndex(target_idx);
if (target_sp) {
delete_target_list.push_back(target_sp);
continue;
}
}
if (num_targets > 1)
result.AppendErrorWithFormat("target index %u is out of range, valid "
"target indexes are 0 - %u\n",
target_idx, num_targets - 1);
else
result.AppendErrorWithFormat(
"target index %u is out of range, the only valid index is 0\n",
target_idx);
result.SetStatus(eReturnStatusFailed);
return false;
}
} else {
target_sp = target_list.GetSelectedTarget();
if (!target_sp) {
result.AppendErrorWithFormat("no target is currently selected\n");
result.SetStatus(eReturnStatusFailed);
return false;
}
delete_target_list.push_back(target_sp);
}
const size_t num_targets_to_delete = delete_target_list.size();
for (size_t idx = 0; idx < num_targets_to_delete; ++idx) {
target_sp = delete_target_list[idx];
target_list.DeleteTarget(target_sp);
target_sp->Destroy();
}
// If "--clean" was specified, prune any orphaned shared modules from the
// global shared module list
if (m_cleanup_option.GetOptionValue()) {
const bool mandatory = true;
ModuleList::RemoveOrphanSharedModules(mandatory);
}
result.GetOutputStream().Printf("%u targets deleted.\n",
(uint32_t)num_targets_to_delete);
result.SetStatus(eReturnStatusSuccessFinishResult);
return true;
}
OptionGroupOptions m_option_group;
OptionGroupBoolean m_all_option;
OptionGroupBoolean m_cleanup_option;
};
#pragma mark CommandObjectTargetVariable
// "target variable"
class CommandObjectTargetVariable : public CommandObjectParsed {
static const uint32_t SHORT_OPTION_FILE = 0x66696c65; // 'file'
static const uint32_t SHORT_OPTION_SHLB = 0x73686c62; // 'shlb'
public:
CommandObjectTargetVariable(CommandInterpreter &interpreter)
: CommandObjectParsed(interpreter, "target variable",
"Read global variables for the current target, "
"before or while running a process.",
nullptr, eCommandRequiresTarget),
m_option_group(),
m_option_variable(false), // Don't include frame options
m_option_format(eFormatDefault),
m_option_compile_units(LLDB_OPT_SET_1, false, "file", SHORT_OPTION_FILE,
0, eArgTypeFilename,
"A basename or fullpath to a file that contains "
"global variables. This option can be "
"specified multiple times."),
m_option_shared_libraries(
LLDB_OPT_SET_1, false, "shlib", SHORT_OPTION_SHLB, 0,
eArgTypeFilename,
"A basename or fullpath to a shared library to use in the search "
"for global "
"variables. This option can be specified multiple times."),
m_varobj_options() {
CommandArgumentEntry arg;
CommandArgumentData var_name_arg;
// Define the first (and only) variant of this arg.
var_name_arg.arg_type = eArgTypeVarName;
var_name_arg.arg_repetition = eArgRepeatPlus;
// There is only one variant this argument could be; put it into the
// argument entry.
arg.push_back(var_name_arg);
// Push the data for the first argument into the m_arguments vector.
m_arguments.push_back(arg);
m_option_group.Append(&m_varobj_options, LLDB_OPT_SET_ALL, LLDB_OPT_SET_1);
m_option_group.Append(&m_option_variable, LLDB_OPT_SET_ALL, LLDB_OPT_SET_1);
m_option_group.Append(&m_option_format,
OptionGroupFormat::OPTION_GROUP_FORMAT |
OptionGroupFormat::OPTION_GROUP_GDB_FMT,
LLDB_OPT_SET_1);
m_option_group.Append(&m_option_compile_units, LLDB_OPT_SET_ALL,
LLDB_OPT_SET_1);
m_option_group.Append(&m_option_shared_libraries, LLDB_OPT_SET_ALL,
LLDB_OPT_SET_1);
m_option_group.Finalize();
}
~CommandObjectTargetVariable() override = default;
void DumpValueObject(Stream &s, VariableSP &var_sp, ValueObjectSP &valobj_sp,
const char *root_name) {
DumpValueObjectOptions options(m_varobj_options.GetAsDumpOptions());
if (!valobj_sp->GetTargetSP()->GetDisplayRuntimeSupportValues() &&
valobj_sp->IsRuntimeSupportValue())
return;
switch (var_sp->GetScope()) {
case eValueTypeVariableGlobal:
if (m_option_variable.show_scope)
s.PutCString("GLOBAL: ");
break;
case eValueTypeVariableStatic:
if (m_option_variable.show_scope)
s.PutCString("STATIC: ");
break;
case eValueTypeVariableArgument:
if (m_option_variable.show_scope)
s.PutCString(" ARG: ");
break;
case eValueTypeVariableLocal:
if (m_option_variable.show_scope)
s.PutCString(" LOCAL: ");
break;
case eValueTypeVariableThreadLocal:
if (m_option_variable.show_scope)
s.PutCString("THREAD: ");
break;
default:
break;
}
if (m_option_variable.show_decl) {
bool show_fullpaths = false;
bool show_module = true;
if (var_sp->DumpDeclaration(&s, show_fullpaths, show_module))
s.PutCString(": ");
}
const Format format = m_option_format.GetFormat();
if (format != eFormatDefault)
options.SetFormat(format);
options.SetRootValueObjectName(root_name);
valobj_sp->Dump(s, options);
}
static size_t GetVariableCallback(void *baton, const char *name,
VariableList &variable_list) {
size_t old_size = variable_list.GetSize();
Target *target = static_cast<Target *>(baton);
if (target)
target->GetImages().FindGlobalVariables(ConstString(name), UINT32_MAX,
variable_list);
return variable_list.GetSize() - old_size;
}
Options *GetOptions() override { return &m_option_group; }
protected:
void DumpGlobalVariableList(const ExecutionContext &exe_ctx,
const SymbolContext &sc,
const VariableList &variable_list, Stream &s) {
size_t count = variable_list.GetSize();
if (count > 0) {
if (sc.module_sp) {
if (sc.comp_unit) {
s.Printf("Global variables for %s in %s:\n",
sc.comp_unit->GetPath().c_str(),
sc.module_sp->GetFileSpec().GetPath().c_str());
} else {
s.Printf("Global variables for %s\n",
sc.module_sp->GetFileSpec().GetPath().c_str());
}
} else if (sc.comp_unit) {
s.Printf("Global variables for %s\n", sc.comp_unit->GetPath().c_str());
}
for (uint32_t i = 0; i < count; ++i) {
VariableSP var_sp(variable_list.GetVariableAtIndex(i));
if (var_sp) {
ValueObjectSP valobj_sp(ValueObjectVariable::Create(
exe_ctx.GetBestExecutionContextScope(), var_sp));
if (valobj_sp)
DumpValueObject(s, var_sp, valobj_sp,
var_sp->GetName().GetCString());
}
}
}
}
bool DoExecute(Args &args, CommandReturnObject &result) override {
Target *target = m_exe_ctx.GetTargetPtr();
const size_t argc = args.GetArgumentCount();
Stream &s = result.GetOutputStream();
if (argc > 0) {
// TODO: Convert to entry-based iteration. Requires converting
// DumpValueObject.
for (size_t idx = 0; idx < argc; ++idx) {
VariableList variable_list;
ValueObjectList valobj_list;
const char *arg = args.GetArgumentAtIndex(idx);
size_t matches = 0;
bool use_var_name = false;
if (m_option_variable.use_regex) {
RegularExpression regex(llvm::StringRef::withNullAsEmpty(arg));
if (!regex.IsValid()) {
result.GetErrorStream().Printf(
"error: invalid regular expression: '%s'\n", arg);
result.SetStatus(eReturnStatusFailed);
return false;
}
use_var_name = true;
target->GetImages().FindGlobalVariables(regex, UINT32_MAX,
variable_list);
matches = variable_list.GetSize();
} else {
Status error(Variable::GetValuesForVariableExpressionPath(
arg, m_exe_ctx.GetBestExecutionContextScope(),
GetVariableCallback, target, variable_list, valobj_list));
matches = variable_list.GetSize();
}
if (matches == 0) {
result.GetErrorStream().Printf(
"error: can't find global variable '%s'\n", arg);
result.SetStatus(eReturnStatusFailed);
return false;
} else {
for (uint32_t global_idx = 0; global_idx < matches; ++global_idx) {
VariableSP var_sp(variable_list.GetVariableAtIndex(global_idx));
if (var_sp) {
ValueObjectSP valobj_sp(
valobj_list.GetValueObjectAtIndex(global_idx));
if (!valobj_sp)
valobj_sp = ValueObjectVariable::Create(
m_exe_ctx.GetBestExecutionContextScope(), var_sp);
if (valobj_sp)
DumpValueObject(s, var_sp, valobj_sp,
use_var_name ? var_sp->GetName().GetCString()
: arg);
}
}
}
}
} else {
const FileSpecList &compile_units =
m_option_compile_units.GetOptionValue().GetCurrentValue();
const FileSpecList &shlibs =
m_option_shared_libraries.GetOptionValue().GetCurrentValue();
SymbolContextList sc_list;
const size_t num_compile_units = compile_units.GetSize();
const size_t num_shlibs = shlibs.GetSize();
if (num_compile_units == 0 && num_shlibs == 0) {
bool success = false;
StackFrame *frame = m_exe_ctx.GetFramePtr();
CompileUnit *comp_unit = nullptr;
if (frame) {
SymbolContext sc = frame->GetSymbolContext(eSymbolContextCompUnit);
if (sc.comp_unit) {
const bool can_create = true;
VariableListSP comp_unit_varlist_sp(
sc.comp_unit->GetVariableList(can_create));
if (comp_unit_varlist_sp) {
size_t count = comp_unit_varlist_sp->GetSize();
if (count > 0) {
DumpGlobalVariableList(m_exe_ctx, sc, *comp_unit_varlist_sp, s);
success = true;
}
}
}
}
if (!success) {
if (frame) {
if (comp_unit)
result.AppendErrorWithFormat(
"no global variables in current compile unit: %s\n",
comp_unit->GetPath().c_str());
else
result.AppendErrorWithFormat(
"no debug information for frame %u\n",
frame->GetFrameIndex());
} else
result.AppendError("'target variable' takes one or more global "
"variable names as arguments\n");
result.SetStatus(eReturnStatusFailed);
}
} else {
SymbolContextList sc_list;
// We have one or more compile unit or shlib
if (num_shlibs > 0) {
for (size_t shlib_idx = 0; shlib_idx < num_shlibs; ++shlib_idx) {
const FileSpec module_file(shlibs.GetFileSpecAtIndex(shlib_idx));
ModuleSpec module_spec(module_file);
ModuleSP module_sp(
target->GetImages().FindFirstModule(module_spec));
if (module_sp) {
if (num_compile_units > 0) {
for (size_t cu_idx = 0; cu_idx < num_compile_units; ++cu_idx)
module_sp->FindCompileUnits(
compile_units.GetFileSpecAtIndex(cu_idx), sc_list);
} else {
SymbolContext sc;
sc.module_sp = module_sp;
sc_list.Append(sc);
}
} else {
// Didn't find matching shlib/module in target...
result.AppendErrorWithFormat(
"target doesn't contain the specified shared library: %s\n",
module_file.GetPath().c_str());
}
}
} else {
// No shared libraries, we just want to find globals for the compile
// units files that were specified
for (size_t cu_idx = 0; cu_idx < num_compile_units; ++cu_idx)
target->GetImages().FindCompileUnits(
compile_units.GetFileSpecAtIndex(cu_idx), sc_list);
}
const uint32_t num_scs = sc_list.GetSize();
if (num_scs > 0) {
SymbolContext sc;
for (uint32_t sc_idx = 0; sc_idx < num_scs; ++sc_idx) {
if (sc_list.GetContextAtIndex(sc_idx, sc)) {
if (sc.comp_unit) {
const bool can_create = true;
VariableListSP comp_unit_varlist_sp(
sc.comp_unit->GetVariableList(can_create));
if (comp_unit_varlist_sp)
DumpGlobalVariableList(m_exe_ctx, sc, *comp_unit_varlist_sp,
s);
} else if (sc.module_sp) {
// Get all global variables for this module
lldb_private::RegularExpression all_globals_regex(
llvm::StringRef(
".")); // Any global with at least one character
VariableList variable_list;
sc.module_sp->FindGlobalVariables(all_globals_regex, UINT32_MAX,
variable_list);
DumpGlobalVariableList(m_exe_ctx, sc, variable_list, s);
}
}
}
}
}
}
if (m_interpreter.TruncationWarningNecessary()) {
result.GetOutputStream().Printf(m_interpreter.TruncationWarningText(),
m_cmd_name.c_str());
m_interpreter.TruncationWarningGiven();
}
return result.Succeeded();
}
OptionGroupOptions m_option_group;
OptionGroupVariable m_option_variable;
OptionGroupFormat m_option_format;
OptionGroupFileList m_option_compile_units;
OptionGroupFileList m_option_shared_libraries;
OptionGroupValueObjectDisplay m_varobj_options;
};
#pragma mark CommandObjectTargetModulesSearchPathsAdd
class CommandObjectTargetModulesSearchPathsAdd : public CommandObjectParsed {
public:
CommandObjectTargetModulesSearchPathsAdd(CommandInterpreter &interpreter)
: CommandObjectParsed(interpreter, "target modules search-paths add",
"Add new image search paths substitution pairs to "
"the current target.",
nullptr, eCommandRequiresTarget) {
CommandArgumentEntry arg;
CommandArgumentData old_prefix_arg;
CommandArgumentData new_prefix_arg;
// Define the first variant of this arg pair.
old_prefix_arg.arg_type = eArgTypeOldPathPrefix;
old_prefix_arg.arg_repetition = eArgRepeatPairPlus;
// Define the first variant of this arg pair.
new_prefix_arg.arg_type = eArgTypeNewPathPrefix;
new_prefix_arg.arg_repetition = eArgRepeatPairPlus;
// There are two required arguments that must always occur together, i.e.
// an argument "pair". Because they must always occur together, they are
// treated as two variants of one argument rather than two independent
// arguments. Push them both into the first argument position for
// m_arguments...
arg.push_back(old_prefix_arg);
arg.push_back(new_prefix_arg);
m_arguments.push_back(arg);
}
~CommandObjectTargetModulesSearchPathsAdd() override = default;
protected:
bool DoExecute(Args &command, CommandReturnObject &result) override {
Target *target = &GetSelectedTarget();
const size_t argc = command.GetArgumentCount();
if (argc & 1) {
result.AppendError("add requires an even number of arguments\n");
result.SetStatus(eReturnStatusFailed);
} else {
for (size_t i = 0; i < argc; i += 2) {
const char *from = command.GetArgumentAtIndex(i);
const char *to = command.GetArgumentAtIndex(i + 1);
if (from[0] && to[0]) {
Log *log = lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_HOST);
if (log) {
LLDB_LOGF(log,
"target modules search path adding ImageSearchPath "
"pair: '%s' -> '%s'",
from, to);
}
bool last_pair = ((argc - i) == 2);
target->GetImageSearchPathList().Append(
ConstString(from), ConstString(to),
last_pair); // Notify if this is the last pair
result.SetStatus(eReturnStatusSuccessFinishNoResult);
} else {
if (from[0])
result.AppendError("<path-prefix> can't be empty\n");
else
result.AppendError("<new-path-prefix> can't be empty\n");
result.SetStatus(eReturnStatusFailed);
}
}
}
return result.Succeeded();
}
};
#pragma mark CommandObjectTargetModulesSearchPathsClear
class CommandObjectTargetModulesSearchPathsClear : public CommandObjectParsed {
public:
CommandObjectTargetModulesSearchPathsClear(CommandInterpreter &interpreter)
: CommandObjectParsed(interpreter, "target modules search-paths clear",
"Clear all current image search path substitution "
"pairs from the current target.",
"target modules search-paths clear",
eCommandRequiresTarget) {}
~CommandObjectTargetModulesSearchPathsClear() override = default;
protected:
bool DoExecute(Args &command, CommandReturnObject &result) override {
Target *target = &GetSelectedTarget();
bool notify = true;
target->GetImageSearchPathList().Clear(notify);
result.SetStatus(eReturnStatusSuccessFinishNoResult);
return result.Succeeded();
}
};
#pragma mark CommandObjectTargetModulesSearchPathsInsert
class CommandObjectTargetModulesSearchPathsInsert : public CommandObjectParsed {
public:
CommandObjectTargetModulesSearchPathsInsert(CommandInterpreter &interpreter)
: CommandObjectParsed(interpreter, "target modules search-paths insert",
"Insert a new image search path substitution pair "
"into the current target at the specified index.",
nullptr, eCommandRequiresTarget) {
CommandArgumentEntry arg1;
CommandArgumentEntry arg2;
CommandArgumentData index_arg;
CommandArgumentData old_prefix_arg;
CommandArgumentData new_prefix_arg;
// Define the first and only variant of this arg.
index_arg.arg_type = eArgTypeIndex;
index_arg.arg_repetition = eArgRepeatPlain;
// Put the one and only variant into the first arg for m_arguments:
arg1.push_back(index_arg);
// Define the first variant of this arg pair.
old_prefix_arg.arg_type = eArgTypeOldPathPrefix;
old_prefix_arg.arg_repetition = eArgRepeatPairPlus;
// Define the first variant of this arg pair.
new_prefix_arg.arg_type = eArgTypeNewPathPrefix;
new_prefix_arg.arg_repetition = eArgRepeatPairPlus;
// There are two required arguments that must always occur together, i.e.
// an argument "pair". Because they must always occur together, they are
// treated as two variants of one argument rather than two independent
// arguments. Push them both into the same argument position for
// m_arguments...
arg2.push_back(old_prefix_arg);
arg2.push_back(new_prefix_arg);
// Add arguments to m_arguments.
m_arguments.push_back(arg1);
m_arguments.push_back(arg2);
}
~CommandObjectTargetModulesSearchPathsInsert() override = default;
protected:
bool DoExecute(Args &command, CommandReturnObject &result) override {
Target *target = &GetSelectedTarget();
size_t argc = command.GetArgumentCount();
// check for at least 3 arguments and an odd number of parameters
if (argc >= 3 && argc & 1) {
bool success = false;
uint32_t insert_idx = StringConvert::ToUInt32(
command.GetArgumentAtIndex(0), UINT32_MAX, 0, &success);
if (!success) {
result.AppendErrorWithFormat(
"<index> parameter is not an integer: '%s'.\n",
command.GetArgumentAtIndex(0));
result.SetStatus(eReturnStatusFailed);
return result.Succeeded();
}
// shift off the index
command.Shift();
argc = command.GetArgumentCount();
for (uint32_t i = 0; i < argc; i += 2, ++insert_idx) {
const char *from = command.GetArgumentAtIndex(i);
const char *to = command.GetArgumentAtIndex(i + 1);
if (from[0] && to[0]) {
bool last_pair = ((argc - i) == 2);
target->GetImageSearchPathList().Insert(
ConstString(from), ConstString(to), insert_idx, last_pair);
result.SetStatus(eReturnStatusSuccessFinishNoResult);
} else {
if (from[0])
result.AppendError("<path-prefix> can't be empty\n");
else
result.AppendError("<new-path-prefix> can't be empty\n");
result.SetStatus(eReturnStatusFailed);
return false;
}
}
} else {
result.AppendError("insert requires at least three arguments\n");
result.SetStatus(eReturnStatusFailed);
return result.Succeeded();
}
return result.Succeeded();
}
};
#pragma mark CommandObjectTargetModulesSearchPathsList
class CommandObjectTargetModulesSearchPathsList : public CommandObjectParsed {
public:
CommandObjectTargetModulesSearchPathsList(CommandInterpreter &interpreter)
: CommandObjectParsed(interpreter, "target modules search-paths list",
"List all current image search path substitution "
"pairs in the current target.",
"target modules search-paths list",
eCommandRequiresTarget) {}
~CommandObjectTargetModulesSearchPathsList() override = default;
protected:
bool DoExecute(Args &command, CommandReturnObject &result) override {
Target *target = &GetSelectedTarget();
if (command.GetArgumentCount() != 0) {
result.AppendError("list takes no arguments\n");
result.SetStatus(eReturnStatusFailed);
return result.Succeeded();
}
target->GetImageSearchPathList().Dump(&result.GetOutputStream());
result.SetStatus(eReturnStatusSuccessFinishResult);
return result.Succeeded();
}
};
#pragma mark CommandObjectTargetModulesSearchPathsQuery
class CommandObjectTargetModulesSearchPathsQuery : public CommandObjectParsed {
public:
CommandObjectTargetModulesSearchPathsQuery(CommandInterpreter &interpreter)
: CommandObjectParsed(
interpreter, "target modules search-paths query",
"Transform a path using the first applicable image search path.",
nullptr, eCommandRequiresTarget) {
CommandArgumentEntry arg;
CommandArgumentData path_arg;
// Define the first (and only) variant of this arg.
path_arg.arg_type = eArgTypeDirectoryName;
path_arg.arg_repetition = eArgRepeatPlain;
// There is only one variant this argument could be; put it into the
// argument entry.
arg.push_back(path_arg);
// Push the data for the first argument into the m_arguments vector.
m_arguments.push_back(arg);
}
~CommandObjectTargetModulesSearchPathsQuery() override = default;
protected:
bool DoExecute(Args &command, CommandReturnObject &result) override {
Target *target = &GetSelectedTarget();
if (command.GetArgumentCount() != 1) {
result.AppendError("query requires one argument\n");
result.SetStatus(eReturnStatusFailed);
return result.Succeeded();
}
ConstString orig(command.GetArgumentAtIndex(0));
ConstString transformed;
if (target->GetImageSearchPathList().RemapPath(orig, transformed))
result.GetOutputStream().Printf("%s\n", transformed.GetCString());
else
result.GetOutputStream().Printf("%s\n", orig.GetCString());
result.SetStatus(eReturnStatusSuccessFinishResult);
return result.Succeeded();
}
};
// Static Helper functions
static void DumpModuleArchitecture(Stream &strm, Module *module,
bool full_triple, uint32_t width) {
if (module) {
StreamString arch_strm;
if (full_triple)
module->GetArchitecture().DumpTriple(arch_strm);
else
arch_strm.PutCString(module->GetArchitecture().GetArchitectureName());
std::string arch_str = arch_strm.GetString();
if (width)
strm.Printf("%-*s", width, arch_str.c_str());
else
strm.PutCString(arch_str);
}
}
static void DumpModuleUUID(Stream &strm, Module *module) {
if (module && module->GetUUID().IsValid())
module->GetUUID().Dump(&strm);
else
strm.PutCString(" ");
}
static uint32_t DumpCompileUnitLineTable(CommandInterpreter &interpreter,
Stream &strm, Module *module,
const FileSpec &file_spec,
lldb::DescriptionLevel desc_level) {
uint32_t num_matches = 0;
if (module) {
SymbolContextList sc_list;
num_matches = module->ResolveSymbolContextsForFileSpec(
file_spec, 0, false, eSymbolContextCompUnit, sc_list);
for (uint32_t i = 0; i < num_matches; ++i) {
SymbolContext sc;
if (sc_list.GetContextAtIndex(i, sc)) {
if (i > 0)
strm << "\n\n";
strm << "Line table for " << *static_cast<FileSpec *>(sc.comp_unit)
<< " in `" << module->GetFileSpec().GetFilename() << "\n";
LineTable *line_table = sc.comp_unit->GetLineTable();
if (line_table)
line_table->GetDescription(
&strm, interpreter.GetExecutionContext().GetTargetPtr(),
desc_level);
else
strm << "No line table";
}
}
}
return num_matches;
}
static void DumpFullpath(Stream &strm, const FileSpec *file_spec_ptr,
uint32_t width) {
if (file_spec_ptr) {
if (width > 0) {
std::string fullpath = file_spec_ptr->GetPath();
strm.Printf("%-*s", width, fullpath.c_str());
return;
} else {
file_spec_ptr->Dump(&strm);
return;
}
}
// Keep the width spacing correct if things go wrong...
if (width > 0)
strm.Printf("%-*s", width, "");
}
static void DumpDirectory(Stream &strm, const FileSpec *file_spec_ptr,
uint32_t width) {
if (file_spec_ptr) {
if (width > 0)
strm.Printf("%-*s", width, file_spec_ptr->GetDirectory().AsCString(""));
else
file_spec_ptr->GetDirectory().Dump(&strm);
return;
}
// Keep the width spacing correct if things go wrong...
if (width > 0)
strm.Printf("%-*s", width, "");
}
static void DumpBasename(Stream &strm, const FileSpec *file_spec_ptr,
uint32_t width) {
if (file_spec_ptr) {
if (width > 0)
strm.Printf("%-*s", width, file_spec_ptr->GetFilename().AsCString(""));
else
file_spec_ptr->GetFilename().Dump(&strm);
return;
}
// Keep the width spacing correct if things go wrong...
if (width > 0)
strm.Printf("%-*s", width, "");
}
static size_t DumpModuleObjfileHeaders(Stream &strm, ModuleList &module_list) {
size_t num_dumped = 0;
std::lock_guard<std::recursive_mutex> guard(module_list.GetMutex());
const size_t num_modules = module_list.GetSize();
if (num_modules > 0) {
strm.Printf("Dumping headers for %" PRIu64 " module(s).\n",
static_cast<uint64_t>(num_modules));
strm.IndentMore();
for (size_t image_idx = 0; image_idx < num_modules; ++image_idx) {
Module *module = module_list.GetModulePointerAtIndexUnlocked(image_idx);
if (module) {
if (num_dumped++ > 0) {
strm.EOL();
strm.EOL();
}
ObjectFile *objfile = module->GetObjectFile();
if (objfile)
objfile->Dump(&strm);
else {
strm.Format("No object file for module: {0:F}\n",
module->GetFileSpec());
}
}
}
strm.IndentLess();
}
return num_dumped;
}
static void DumpModuleSymtab(CommandInterpreter &interpreter, Stream &strm,
Module *module, SortOrder sort_order) {
if (!module)
return;
if (Symtab *symtab = module->GetSymtab())
symtab->Dump(&strm, interpreter.GetExecutionContext().GetTargetPtr(),
sort_order);
}
static void DumpModuleSections(CommandInterpreter &interpreter, Stream &strm,
Module *module) {
if (module) {
SectionList *section_list = module->GetSectionList();
if (section_list) {
strm.Printf("Sections for '%s' (%s):\n",
module->GetSpecificationDescription().c_str(),
module->GetArchitecture().GetArchitectureName());
strm.IndentMore();
section_list->Dump(&strm,
interpreter.GetExecutionContext().GetTargetPtr(), true,
UINT32_MAX);
strm.IndentLess();
}
}
}
static bool DumpModuleSymbolFile(Stream &strm, Module *module) {
if (module) {
if (SymbolFile *symbol_file = module->GetSymbolFile(true)) {
symbol_file->Dump(strm);
return true;
}
}
return false;
}
static void DumpAddress(ExecutionContextScope *exe_scope,
const Address &so_addr, bool verbose, Stream &strm) {
strm.IndentMore();
strm.Indent(" Address: ");
so_addr.Dump(&strm, exe_scope, Address::DumpStyleModuleWithFileAddress);
strm.PutCString(" (");
so_addr.Dump(&strm, exe_scope, Address::DumpStyleSectionNameOffset);
strm.PutCString(")\n");
strm.Indent(" Summary: ");
const uint32_t save_indent = strm.GetIndentLevel();
strm.SetIndentLevel(save_indent + 13);
so_addr.Dump(&strm, exe_scope, Address::DumpStyleResolvedDescription);
strm.SetIndentLevel(save_indent);
// Print out detailed address information when verbose is enabled
if (verbose) {
strm.EOL();
so_addr.Dump(&strm, exe_scope, Address::DumpStyleDetailedSymbolContext);
}
strm.IndentLess();
}
static bool LookupAddressInModule(CommandInterpreter &interpreter, Stream &strm,
Module *module, uint32_t resolve_mask,
lldb::addr_t raw_addr, lldb::addr_t offset,
bool verbose) {
if (module) {
lldb::addr_t addr = raw_addr - offset;
Address so_addr;
SymbolContext sc;
Target *target = interpreter.GetExecutionContext().GetTargetPtr();
if (target && !target->GetSectionLoadList().IsEmpty()) {
if (!target->GetSectionLoadList().ResolveLoadAddress(addr, so_addr))
return false;
else if (so_addr.GetModule().get() != module)
return false;
} else {
if (!module->ResolveFileAddress(addr, so_addr))
return false;
}
ExecutionContextScope *exe_scope =
interpreter.GetExecutionContext().GetBestExecutionContextScope();
DumpAddress(exe_scope, so_addr, verbose, strm);
// strm.IndentMore();
// strm.Indent (" Address: ");
// so_addr.Dump (&strm, exe_scope,
// Address::DumpStyleModuleWithFileAddress);
// strm.PutCString (" (");
// so_addr.Dump (&strm, exe_scope,
// Address::DumpStyleSectionNameOffset);
// strm.PutCString (")\n");
// strm.Indent (" Summary: ");
// const uint32_t save_indent = strm.GetIndentLevel ();
// strm.SetIndentLevel (save_indent + 13);
// so_addr.Dump (&strm, exe_scope,
// Address::DumpStyleResolvedDescription);
// strm.SetIndentLevel (save_indent);
// // Print out detailed address information when verbose is enabled
// if (verbose)
// {
// strm.EOL();
// so_addr.Dump (&strm, exe_scope,
// Address::DumpStyleDetailedSymbolContext);
// }
// strm.IndentLess();
return true;
}
return false;
}
static uint32_t LookupSymbolInModule(CommandInterpreter &interpreter,
Stream &strm, Module *module,
const char *name, bool name_is_regex,
bool verbose) {
if (!module)
return 0;
Symtab *symtab = module->GetSymtab();
if (!symtab)
return 0;
SymbolContext sc;
std::vector<uint32_t> match_indexes;
ConstString symbol_name(name);
uint32_t num_matches = 0;
if (name_is_regex) {
RegularExpression name_regexp(symbol_name.GetStringRef());
num_matches = symtab->AppendSymbolIndexesMatchingRegExAndType(
name_regexp, eSymbolTypeAny, match_indexes);
} else {
num_matches =
symtab->AppendSymbolIndexesWithName(symbol_name, match_indexes);
}
if (num_matches > 0) {
strm.Indent();
strm.Printf("%u symbols match %s'%s' in ", num_matches,
name_is_regex ? "the regular expression " : "", name);
DumpFullpath(strm, &module->GetFileSpec(), 0);
strm.PutCString(":\n");
strm.IndentMore();
for (uint32_t i = 0; i < num_matches; ++i) {
Symbol *symbol = symtab->SymbolAtIndex(match_indexes[i]);
if (symbol && symbol->ValueIsAddress()) {
DumpAddress(
interpreter.GetExecutionContext().GetBestExecutionContextScope(),
symbol->GetAddressRef(), verbose, strm);
}
}
strm.IndentLess();
}
return num_matches;
}
static void DumpSymbolContextList(ExecutionContextScope *exe_scope,
Stream &strm, SymbolContextList &sc_list,
bool verbose) {
strm.IndentMore();
const uint32_t num_matches = sc_list.GetSize();
for (uint32_t i = 0; i < num_matches; ++i) {
SymbolContext sc;
if (sc_list.GetContextAtIndex(i, sc)) {
AddressRange range;
sc.GetAddressRange(eSymbolContextEverything, 0, true, range);
DumpAddress(exe_scope, range.GetBaseAddress(), verbose, strm);
}
}
strm.IndentLess();
}
static size_t LookupFunctionInModule(CommandInterpreter &interpreter,
Stream &strm, Module *module,
const char *name, bool name_is_regex,
bool include_inlines, bool include_symbols,
bool verbose) {
if (module && name && name[0]) {
SymbolContextList sc_list;
size_t num_matches = 0;
if (name_is_regex) {
RegularExpression function_name_regex((llvm::StringRef(name)));
module->FindFunctions(function_name_regex, include_symbols,
include_inlines, sc_list);
} else {
ConstString function_name(name);
module->FindFunctions(function_name, nullptr, eFunctionNameTypeAuto,
include_symbols, include_inlines, sc_list);
}
num_matches = sc_list.GetSize();
if (num_matches) {
strm.Indent();
strm.Printf("%" PRIu64 " match%s found in ", (uint64_t)num_matches,
num_matches > 1 ? "es" : "");
DumpFullpath(strm, &module->GetFileSpec(), 0);
strm.PutCString(":\n");
DumpSymbolContextList(
interpreter.GetExecutionContext().GetBestExecutionContextScope(),
strm, sc_list, verbose);
}
return num_matches;
}
return 0;
}
static size_t LookupTypeInModule(CommandInterpreter &interpreter, Stream &strm,
Module *module, const char *name_cstr,
bool name_is_regex) {
TypeList type_list;
if (module && name_cstr && name_cstr[0]) {
const uint32_t max_num_matches = UINT32_MAX;
size_t num_matches = 0;
bool name_is_fully_qualified = false;
ConstString name(name_cstr);
llvm::DenseSet<lldb_private::SymbolFile *> searched_symbol_files;
module->FindTypes(name, name_is_fully_qualified, max_num_matches,
searched_symbol_files, type_list);
if (type_list.Empty())
return 0;
strm.Indent();
strm.Printf("%" PRIu64 " match%s found in ", (uint64_t)num_matches,
num_matches > 1 ? "es" : "");
DumpFullpath(strm, &module->GetFileSpec(), 0);
strm.PutCString(":\n");
for (TypeSP type_sp : type_list.Types()) {
if (!type_sp)
continue;
// Resolve the clang type so that any forward references to types
// that haven't yet been parsed will get parsed.
type_sp->GetFullCompilerType();
type_sp->GetDescription(&strm, eDescriptionLevelFull, true);
// Print all typedef chains
TypeSP typedef_type_sp(type_sp);
TypeSP typedefed_type_sp(typedef_type_sp->GetTypedefType());
while (typedefed_type_sp) {
strm.EOL();
strm.Printf(" typedef '%s': ",
typedef_type_sp->GetName().GetCString());
typedefed_type_sp->GetFullCompilerType();
typedefed_type_sp->GetDescription(&strm, eDescriptionLevelFull, true);
typedef_type_sp = typedefed_type_sp;
typedefed_type_sp = typedef_type_sp->GetTypedefType();
}
}
strm.EOL();
}
return type_list.GetSize();
}
static size_t LookupTypeHere(CommandInterpreter &interpreter, Stream &strm,
Module &module, const char *name_cstr,
bool name_is_regex) {
TypeList type_list;
const uint32_t max_num_matches = UINT32_MAX;
bool name_is_fully_qualified = false;
ConstString name(name_cstr);
llvm::DenseSet<SymbolFile *> searched_symbol_files;
module.FindTypes(name, name_is_fully_qualified, max_num_matches,
searched_symbol_files, type_list);
if (type_list.Empty())
return 0;
strm.Indent();
strm.PutCString("Best match found in ");
DumpFullpath(strm, &module.GetFileSpec(), 0);
strm.PutCString(":\n");
TypeSP type_sp(type_list.GetTypeAtIndex(0));
if (type_sp) {
// Resolve the clang type so that any forward references to types that
// haven't yet been parsed will get parsed.
type_sp->GetFullCompilerType();
type_sp->GetDescription(&strm, eDescriptionLevelFull, true);
// Print all typedef chains
TypeSP typedef_type_sp(type_sp);
TypeSP typedefed_type_sp(typedef_type_sp->GetTypedefType());
while (typedefed_type_sp) {
strm.EOL();
strm.Printf(" typedef '%s': ",
typedef_type_sp->GetName().GetCString());
typedefed_type_sp->GetFullCompilerType();
typedefed_type_sp->GetDescription(&strm, eDescriptionLevelFull, true);
typedef_type_sp = typedefed_type_sp;
typedefed_type_sp = typedef_type_sp->GetTypedefType();
}
}
strm.EOL();
return type_list.GetSize();
}
static uint32_t LookupFileAndLineInModule(CommandInterpreter &interpreter,
Stream &strm, Module *module,
const FileSpec &file_spec,
uint32_t line, bool check_inlines,
bool verbose) {
if (module && file_spec) {
SymbolContextList sc_list;
const uint32_t num_matches = module->ResolveSymbolContextsForFileSpec(
file_spec, line, check_inlines, eSymbolContextEverything, sc_list);
if (num_matches > 0) {
strm.Indent();
strm.Printf("%u match%s found in ", num_matches,
num_matches > 1 ? "es" : "");
strm << file_spec;
if (line > 0)
strm.Printf(":%u", line);
strm << " in ";
DumpFullpath(strm, &module->GetFileSpec(), 0);
strm.PutCString(":\n");
DumpSymbolContextList(
interpreter.GetExecutionContext().GetBestExecutionContextScope(),
strm, sc_list, verbose);
return num_matches;
}
}
return 0;
}
static size_t FindModulesByName(Target *target, const char *module_name,
ModuleList &module_list,
bool check_global_list) {
FileSpec module_file_spec(module_name);
ModuleSpec module_spec(module_file_spec);
const size_t initial_size = module_list.GetSize();
if (check_global_list) {
// Check the global list
std::lock_guard<std::recursive_mutex> guard(
Module::GetAllocationModuleCollectionMutex());
const size_t num_modules = Module::GetNumberAllocatedModules();
ModuleSP module_sp;
for (size_t image_idx = 0; image_idx < num_modules; ++image_idx) {
Module *module = Module::GetAllocatedModuleAtIndex(image_idx);
if (module) {
if (module->MatchesModuleSpec(module_spec)) {
module_sp = module->shared_from_this();
module_list.AppendIfNeeded(module_sp);
}
}
}
} else {
if (target) {
target->GetImages().FindModules(module_spec, module_list);
const size_t num_matches = module_list.GetSize();
// Not found in our module list for our target, check the main shared
// module list in case it is a extra file used somewhere else
if (num_matches == 0) {
module_spec.GetArchitecture() = target->GetArchitecture();
ModuleList::FindSharedModules(module_spec, module_list);
}
} else {
ModuleList::FindSharedModules(module_spec, module_list);
}
}
return module_list.GetSize() - initial_size;
}
#pragma mark CommandObjectTargetModulesModuleAutoComplete
// A base command object class that can auto complete with module file
// paths
class CommandObjectTargetModulesModuleAutoComplete
: public CommandObjectParsed {
public:
CommandObjectTargetModulesModuleAutoComplete(CommandInterpreter &interpreter,
const char *name,
const char *help,
const char *syntax,
uint32_t flags = 0)
: CommandObjectParsed(interpreter, name, help, syntax, flags) {
CommandArgumentEntry arg;
CommandArgumentData file_arg;
// Define the first (and only) variant of this arg.
file_arg.arg_type = eArgTypeFilename;
file_arg.arg_repetition = eArgRepeatStar;
// There is only one variant this argument could be; put it into the
// argument entry.
arg.push_back(file_arg);
// Push the data for the first argument into the m_arguments vector.
m_arguments.push_back(arg);
}
~CommandObjectTargetModulesModuleAutoComplete() override = default;
void
HandleArgumentCompletion(CompletionRequest &request,
OptionElementVector &opt_element_vector) override {
CommandCompletions::InvokeCommonCompletionCallbacks(
GetCommandInterpreter(), CommandCompletions::eModuleCompletion, request,
nullptr);
}
};
#pragma mark CommandObjectTargetModulesSourceFileAutoComplete
// A base command object class that can auto complete with module source
// file paths
class CommandObjectTargetModulesSourceFileAutoComplete
: public CommandObjectParsed {
public:
CommandObjectTargetModulesSourceFileAutoComplete(
CommandInterpreter &interpreter, const char *name, const char *help,
const char *syntax, uint32_t flags)
: CommandObjectParsed(interpreter, name, help, syntax, flags) {
CommandArgumentEntry arg;
CommandArgumentData source_file_arg;
// Define the first (and only) variant of this arg.
source_file_arg.arg_type = eArgTypeSourceFile;
source_file_arg.arg_repetition = eArgRepeatPlus;
// There is only one variant this argument could be; put it into the
// argument entry.
arg.push_back(source_file_arg);
// Push the data for the first argument into the m_arguments vector.
m_arguments.push_back(arg);
}
~CommandObjectTargetModulesSourceFileAutoComplete() override = default;
void
HandleArgumentCompletion(CompletionRequest &request,
OptionElementVector &opt_element_vector) override {
CommandCompletions::InvokeCommonCompletionCallbacks(
GetCommandInterpreter(), CommandCompletions::eSourceFileCompletion,
request, nullptr);
}
};
#pragma mark CommandObjectTargetModulesDumpObjfile
class CommandObjectTargetModulesDumpObjfile
: public CommandObjectTargetModulesModuleAutoComplete {
public:
CommandObjectTargetModulesDumpObjfile(CommandInterpreter &interpreter)
: CommandObjectTargetModulesModuleAutoComplete(
interpreter, "target modules dump objfile",
"Dump the object file headers from one or more target modules.",
nullptr, eCommandRequiresTarget) {}
~CommandObjectTargetModulesDumpObjfile() override = default;
protected:
bool DoExecute(Args &command, CommandReturnObject &result) override {
Target *target = &GetSelectedTarget();
uint32_t addr_byte_size = target->GetArchitecture().GetAddressByteSize();
result.GetOutputStream().SetAddressByteSize(addr_byte_size);
result.GetErrorStream().SetAddressByteSize(addr_byte_size);
size_t num_dumped = 0;
if (command.GetArgumentCount() == 0) {
// Dump all headers for all modules images
num_dumped = DumpModuleObjfileHeaders(result.GetOutputStream(),
target->GetImages());
if (num_dumped == 0) {
result.AppendError("the target has no associated executable images");
result.SetStatus(eReturnStatusFailed);
}
} else {
// Find the modules that match the basename or full path.
ModuleList module_list;
const char *arg_cstr;
for (int arg_idx = 0;
(arg_cstr = command.GetArgumentAtIndex(arg_idx)) != nullptr;
++arg_idx) {
size_t num_matched =
FindModulesByName(target, arg_cstr, module_list, true);
if (num_matched == 0) {
result.AppendWarningWithFormat(
"Unable to find an image that matches '%s'.\n", arg_cstr);
}
}
// Dump all the modules we found.
num_dumped =
DumpModuleObjfileHeaders(result.GetOutputStream(), module_list);
}
if (num_dumped > 0) {
result.SetStatus(eReturnStatusSuccessFinishResult);
} else {
result.AppendError("no matching executable images found");
result.SetStatus(eReturnStatusFailed);
}
return result.Succeeded();
}
};
#pragma mark CommandObjectTargetModulesDumpSymtab
static constexpr OptionEnumValueElement g_sort_option_enumeration[] = {
{
eSortOrderNone,
"none",
"No sorting, use the original symbol table order.",
},
{
eSortOrderByAddress,
"address",
"Sort output by symbol address.",
},
{
eSortOrderByName,
"name",
"Sort output by symbol name.",
},
};
#define LLDB_OPTIONS_target_modules_dump_symtab
#include "CommandOptions.inc"
class CommandObjectTargetModulesDumpSymtab
: public CommandObjectTargetModulesModuleAutoComplete {
public:
CommandObjectTargetModulesDumpSymtab(CommandInterpreter &interpreter)
: CommandObjectTargetModulesModuleAutoComplete(
interpreter, "target modules dump symtab",
"Dump the symbol table from one or more target modules.", nullptr,
eCommandRequiresTarget),
m_options() {}
~CommandObjectTargetModulesDumpSymtab() override = default;
Options *GetOptions() override { return &m_options; }
class CommandOptions : public Options {
public:
CommandOptions() : Options(), m_sort_order(eSortOrderNone) {}
~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 's':
m_sort_order = (SortOrder)OptionArgParser::ToOptionEnum(
option_arg, GetDefinitions()[option_idx].enum_values,
eSortOrderNone, error);
break;
default:
llvm_unreachable("Unimplemented option");
}
return error;
}
void OptionParsingStarting(ExecutionContext *execution_context) override {
m_sort_order = eSortOrderNone;
}
llvm::ArrayRef<OptionDefinition> GetDefinitions() override {
return llvm::makeArrayRef(g_target_modules_dump_symtab_options);
}
SortOrder m_sort_order;
};
protected:
bool DoExecute(Args &command, CommandReturnObject &result) override {
Target *target = &GetSelectedTarget();
uint32_t num_dumped = 0;
uint32_t addr_byte_size = target->GetArchitecture().GetAddressByteSize();
result.GetOutputStream().SetAddressByteSize(addr_byte_size);
result.GetErrorStream().SetAddressByteSize(addr_byte_size);
if (command.GetArgumentCount() == 0) {
// Dump all sections for all modules images
std::lock_guard<std::recursive_mutex> guard(
target->GetImages().GetMutex());
const size_t num_modules = target->GetImages().GetSize();
if (num_modules > 0) {
result.GetOutputStream().Printf("Dumping symbol table for %" PRIu64
" modules.\n",
(uint64_t)num_modules);
for (size_t image_idx = 0; image_idx < num_modules; ++image_idx) {
if (num_dumped > 0) {
result.GetOutputStream().EOL();
result.GetOutputStream().EOL();
}
if (m_interpreter.WasInterrupted())
break;
num_dumped++;
DumpModuleSymtab(
m_interpreter, result.GetOutputStream(),
target->GetImages().GetModulePointerAtIndexUnlocked(image_idx),
m_options.m_sort_order);
}
} else {
result.AppendError("the target has no associated executable images");
result.SetStatus(eReturnStatusFailed);
return false;
}
} else {
// Dump specified images (by basename or fullpath)
const char *arg_cstr;
for (int arg_idx = 0;
(arg_cstr = command.GetArgumentAtIndex(arg_idx)) != nullptr;
++arg_idx) {
ModuleList module_list;
const size_t num_matches =
FindModulesByName(target, arg_cstr, module_list, true);
if (num_matches > 0) {
for (size_t i = 0; i < num_matches; ++i) {
Module *module = module_list.GetModulePointerAtIndex(i);
if (module) {
if (num_dumped > 0) {
result.GetOutputStream().EOL();
result.GetOutputStream().EOL();
}
if (m_interpreter.WasInterrupted())
break;
num_dumped++;
DumpModuleSymtab(m_interpreter, result.GetOutputStream(), module,
m_options.m_sort_order);
}
}
} else
result.AppendWarningWithFormat(
"Unable to find an image that matches '%s'.\n", arg_cstr);
}
}
if (num_dumped > 0)
result.SetStatus(eReturnStatusSuccessFinishResult);
else {
result.AppendError("no matching executable images found");
result.SetStatus(eReturnStatusFailed);
}
return result.Succeeded();
}
CommandOptions m_options;
};
#pragma mark CommandObjectTargetModulesDumpSections
// Image section dumping command
class CommandObjectTargetModulesDumpSections
: public CommandObjectTargetModulesModuleAutoComplete {
public:
CommandObjectTargetModulesDumpSections(CommandInterpreter &interpreter)
: CommandObjectTargetModulesModuleAutoComplete(
interpreter, "target modules dump sections",
"Dump the sections from one or more target modules.",
//"target modules dump sections [<file1> ...]")
nullptr, eCommandRequiresTarget) {}
~CommandObjectTargetModulesDumpSections() override = default;
protected:
bool DoExecute(Args &command, CommandReturnObject &result) override {
Target *target = &GetSelectedTarget();
uint32_t num_dumped = 0;
uint32_t addr_byte_size = target->GetArchitecture().GetAddressByteSize();
result.GetOutputStream().SetAddressByteSize(addr_byte_size);
result.GetErrorStream().SetAddressByteSize(addr_byte_size);
if (command.GetArgumentCount() == 0) {
// Dump all sections for all modules images
const size_t num_modules = target->GetImages().GetSize();
if (num_modules > 0) {
result.GetOutputStream().Printf("Dumping sections for %" PRIu64
" modules.\n",
(uint64_t)num_modules);
for (size_t image_idx = 0; image_idx < num_modules; ++image_idx) {
if (m_interpreter.WasInterrupted())
break;
num_dumped++;
DumpModuleSections(
m_interpreter, result.GetOutputStream(),
target->GetImages().GetModulePointerAtIndex(image_idx));
}
} else {
result.AppendError("the target has no associated executable images");
result.SetStatus(eReturnStatusFailed);
return false;
}
} else {
// Dump specified images (by basename or fullpath)
const char *arg_cstr;
for (int arg_idx = 0;
(arg_cstr = command.GetArgumentAtIndex(arg_idx)) != nullptr;
++arg_idx) {
ModuleList module_list;
const size_t num_matches =
FindModulesByName(target, arg_cstr, module_list, true);
if (num_matches > 0) {
for (size_t i = 0; i < num_matches; ++i) {
if (m_interpreter.WasInterrupted())
break;
Module *module = module_list.GetModulePointerAtIndex(i);
if (module) {
num_dumped++;
DumpModuleSections(m_interpreter, result.GetOutputStream(),
module);
}
}
} else {
// Check the global list
std::lock_guard<std::recursive_mutex> guard(
Module::GetAllocationModuleCollectionMutex());
result.AppendWarningWithFormat(
"Unable to find an image that matches '%s'.\n", arg_cstr);
}
}
}
if (num_dumped > 0)
result.SetStatus(eReturnStatusSuccessFinishResult);
else {
result.AppendError("no matching executable images found");
result.SetStatus(eReturnStatusFailed);
}
return result.Succeeded();
}
};
#pragma mark CommandObjectTargetModulesDumpSections
// Clang AST dumping command
class CommandObjectTargetModulesDumpClangAST
: public CommandObjectTargetModulesModuleAutoComplete {
public:
CommandObjectTargetModulesDumpClangAST(CommandInterpreter &interpreter)
: CommandObjectTargetModulesModuleAutoComplete(
interpreter, "target modules dump ast",
"Dump the clang ast for a given module's symbol file.",
//"target modules dump ast [<file1> ...]")
nullptr, eCommandRequiresTarget) {}
~CommandObjectTargetModulesDumpClangAST() override = default;
protected:
bool DoExecute(Args &command, CommandReturnObject &result) override {
Target *target = &GetSelectedTarget();
const size_t num_modules = target->GetImages().GetSize();
if (num_modules == 0) {
result.AppendError("the target has no associated executable images");
result.SetStatus(eReturnStatusFailed);
return false;
}
if (command.GetArgumentCount() == 0) {
// Dump all ASTs for all modules images
result.GetOutputStream().Printf("Dumping clang ast for %" PRIu64
" modules.\n",
(uint64_t)num_modules);
for (size_t image_idx = 0; image_idx < num_modules; ++image_idx) {
if (m_interpreter.WasInterrupted())
break;
Module *m = target->GetImages().GetModulePointerAtIndex(image_idx);
if (SymbolFile *sf = m->GetSymbolFile())
sf->DumpClangAST(result.GetOutputStream());
}
result.SetStatus(eReturnStatusSuccessFinishResult);
return true;
}
// Dump specified ASTs (by basename or fullpath)
for (const Args::ArgEntry &arg : command.entries()) {
ModuleList module_list;
const size_t num_matches =
FindModulesByName(target, arg.c_str(), module_list, true);
if (num_matches == 0) {
// Check the global list
std::lock_guard<std::recursive_mutex> guard(
Module::GetAllocationModuleCollectionMutex());
result.AppendWarningWithFormat(
"Unable to find an image that matches '%s'.\n", arg.c_str());
continue;
}
for (size_t i = 0; i < num_matches; ++i) {
if (m_interpreter.WasInterrupted())
break;
Module *m = module_list.GetModulePointerAtIndex(i);
if (SymbolFile *sf = m->GetSymbolFile())
sf->DumpClangAST(result.GetOutputStream());
}
}
result.SetStatus(eReturnStatusSuccessFinishResult);
return true;
}
};
#pragma mark CommandObjectTargetModulesDumpSymfile
// Image debug symbol dumping command
class CommandObjectTargetModulesDumpSymfile
: public CommandObjectTargetModulesModuleAutoComplete {
public:
CommandObjectTargetModulesDumpSymfile(CommandInterpreter &interpreter)
: CommandObjectTargetModulesModuleAutoComplete(
interpreter, "target modules dump symfile",
"Dump the debug symbol file for one or more target modules.",
//"target modules dump symfile [<file1> ...]")
nullptr, eCommandRequiresTarget) {}
~CommandObjectTargetModulesDumpSymfile() override = default;
protected:
bool DoExecute(Args &command, CommandReturnObject &result) override {
Target *target = &GetSelectedTarget();
uint32_t num_dumped = 0;
uint32_t addr_byte_size = target->GetArchitecture().GetAddressByteSize();
result.GetOutputStream().SetAddressByteSize(addr_byte_size);
result.GetErrorStream().SetAddressByteSize(addr_byte_size);
if (command.GetArgumentCount() == 0) {
// Dump all sections for all modules images
const ModuleList &target_modules = target->GetImages();
std::lock_guard<std::recursive_mutex> guard(target_modules.GetMutex());
const size_t num_modules = target_modules.GetSize();
if (num_modules > 0) {
result.GetOutputStream().Printf("Dumping debug symbols for %" PRIu64
" modules.\n",
(uint64_t)num_modules);
for (uint32_t image_idx = 0; image_idx < num_modules; ++image_idx) {
if (m_interpreter.WasInterrupted())
break;
if (DumpModuleSymbolFile(
result.GetOutputStream(),
target_modules.GetModulePointerAtIndexUnlocked(image_idx)))
num_dumped++;
}
} else {
result.AppendError("the target has no associated executable images");
result.SetStatus(eReturnStatusFailed);
return false;
}
} else {
// Dump specified images (by basename or fullpath)
const char *arg_cstr;
for (int arg_idx = 0;
(arg_cstr = command.GetArgumentAtIndex(arg_idx)) != nullptr;
++arg_idx) {
ModuleList module_list;
const size_t num_matches =
FindModulesByName(target, arg_cstr, module_list, true);
if (num_matches > 0) {
for (size_t i = 0; i < num_matches; ++i) {
if (m_interpreter.WasInterrupted())
break;
Module *module = module_list.GetModulePointerAtIndex(i);
if (module) {
if (DumpModuleSymbolFile(result.GetOutputStream(), module))
num_dumped++;
}
}
} else
result.AppendWarningWithFormat(
"Unable to find an image that matches '%s'.\n", arg_cstr);
}
}
if (num_dumped > 0)
result.SetStatus(eReturnStatusSuccessFinishResult);
else {
result.AppendError("no matching executable images found");
result.SetStatus(eReturnStatusFailed);
}
return result.Succeeded();
}
};
#pragma mark CommandObjectTargetModulesDumpLineTable
#define LLDB_OPTIONS_target_modules_dump
#include "CommandOptions.inc"
// Image debug line table dumping command
class CommandObjectTargetModulesDumpLineTable
: public CommandObjectTargetModulesSourceFileAutoComplete {
public:
CommandObjectTargetModulesDumpLineTable(CommandInterpreter &interpreter)
: CommandObjectTargetModulesSourceFileAutoComplete(
interpreter, "target modules dump line-table",
"Dump the line table for one or more compilation units.", nullptr,
eCommandRequiresTarget) {}
~CommandObjectTargetModulesDumpLineTable() override = default;
Options *GetOptions() override { return &m_options; }
protected:
bool DoExecute(Args &command, CommandReturnObject &result) override {
Target *target = m_exe_ctx.GetTargetPtr();
uint32_t total_num_dumped = 0;
uint32_t addr_byte_size = target->GetArchitecture().GetAddressByteSize();
result.GetOutputStream().SetAddressByteSize(addr_byte_size);
result.GetErrorStream().SetAddressByteSize(addr_byte_size);
if (command.GetArgumentCount() == 0) {
result.AppendError("file option must be specified.");
result.SetStatus(eReturnStatusFailed);
return result.Succeeded();
} else {
// Dump specified images (by basename or fullpath)
const char *arg_cstr;
for (int arg_idx = 0;
(arg_cstr = command.GetArgumentAtIndex(arg_idx)) != nullptr;
++arg_idx) {
FileSpec file_spec(arg_cstr);
const ModuleList &target_modules = target->GetImages();
std::lock_guard<std::recursive_mutex> guard(target_modules.GetMutex());
const size_t num_modules = target_modules.GetSize();
if (num_modules > 0) {
uint32_t num_dumped = 0;
for (uint32_t i = 0; i < num_modules; ++i) {
if (m_interpreter.WasInterrupted())
break;
if (DumpCompileUnitLineTable(
m_interpreter, result.GetOutputStream(),
target_modules.GetModulePointerAtIndexUnlocked(i),
file_spec,
m_options.m_verbose ? eDescriptionLevelFull
: eDescriptionLevelBrief))
num_dumped++;
}
if (num_dumped == 0)
result.AppendWarningWithFormat(
"No source filenames matched '%s'.\n", arg_cstr);
else
total_num_dumped += num_dumped;
}
}
}
if (total_num_dumped > 0)
result.SetStatus(eReturnStatusSuccessFinishResult);
else {
result.AppendError("no source filenames matched any command arguments");
result.SetStatus(eReturnStatusFailed);
}
return result.Succeeded();
}
class CommandOptions : public Options {
public:
CommandOptions() : Options() { OptionParsingStarting(nullptr); }
Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg,
ExecutionContext *execution_context) override {
assert(option_idx == 0 && "We only have one option.");
m_verbose = true;
return Status();
}
void OptionParsingStarting(ExecutionContext *execution_context) override {
m_verbose = false;
}
llvm::ArrayRef<OptionDefinition> GetDefinitions() override {
return llvm::makeArrayRef(g_target_modules_dump_options);
}
bool m_verbose;
};
CommandOptions m_options;
};
#pragma mark CommandObjectTargetModulesDump
// Dump multi-word command for target modules
class CommandObjectTargetModulesDump : public CommandObjectMultiword {
public:
// Constructors and Destructors
CommandObjectTargetModulesDump(CommandInterpreter &interpreter)
: CommandObjectMultiword(
interpreter, "target modules dump",
"Commands for dumping information about one or "
"more target modules.",
"target modules dump "
"[headers|symtab|sections|ast|symfile|line-table] "
"[<file1> <file2> ...]") {
LoadSubCommand("objfile",
CommandObjectSP(
new CommandObjectTargetModulesDumpObjfile(interpreter)));
LoadSubCommand(
"symtab",
CommandObjectSP(new CommandObjectTargetModulesDumpSymtab(interpreter)));
LoadSubCommand("sections",
CommandObjectSP(new CommandObjectTargetModulesDumpSections(
interpreter)));
LoadSubCommand("symfile",
CommandObjectSP(
new CommandObjectTargetModulesDumpSymfile(interpreter)));
LoadSubCommand(
"ast", CommandObjectSP(
new CommandObjectTargetModulesDumpClangAST(interpreter)));
LoadSubCommand("line-table",
CommandObjectSP(new CommandObjectTargetModulesDumpLineTable(
interpreter)));
}
~CommandObjectTargetModulesDump() override = default;
};
class CommandObjectTargetModulesAdd : public CommandObjectParsed {
public:
CommandObjectTargetModulesAdd(CommandInterpreter &interpreter)
: CommandObjectParsed(interpreter, "target modules add",
"Add a new module to the current target's modules.",
"target modules add [<module>]",
eCommandRequiresTarget),
m_option_group(), m_symbol_file(LLDB_OPT_SET_1, false, "symfile", 's',
0, eArgTypeFilename,
"Fullpath to a stand alone debug "
"symbols file for when debug symbols "
"are not in the executable.") {
m_option_group.Append(&m_uuid_option_group, LLDB_OPT_SET_ALL,
LLDB_OPT_SET_1);
m_option_group.Append(&m_symbol_file, LLDB_OPT_SET_ALL, LLDB_OPT_SET_1);
m_option_group.Finalize();
}
~CommandObjectTargetModulesAdd() override = default;
Options *GetOptions() override { return &m_option_group; }
void
HandleArgumentCompletion(CompletionRequest &request,
OptionElementVector &opt_element_vector) override {
CommandCompletions::InvokeCommonCompletionCallbacks(
GetCommandInterpreter(), CommandCompletions::eDiskFileCompletion,
request, nullptr);
}
protected:
OptionGroupOptions m_option_group;
OptionGroupUUID m_uuid_option_group;
OptionGroupFile m_symbol_file;
bool DoExecute(Args &args, CommandReturnObject &result) override {
Target *target = &GetSelectedTarget();
bool flush = false;
const size_t argc = args.GetArgumentCount();
if (argc == 0) {
if (m_uuid_option_group.GetOptionValue().OptionWasSet()) {
// We are given a UUID only, go locate the file
ModuleSpec module_spec;
module_spec.GetUUID() =
m_uuid_option_group.GetOptionValue().GetCurrentValue();
if (m_symbol_file.GetOptionValue().OptionWasSet())
module_spec.GetSymbolFileSpec() =
m_symbol_file.GetOptionValue().GetCurrentValue();
if (Symbols::DownloadObjectAndSymbolFile(module_spec)) {
ModuleSP module_sp(
target->GetOrCreateModule(module_spec, true /* notify */));
if (module_sp) {
result.SetStatus(eReturnStatusSuccessFinishResult);
return true;
} else {
StreamString strm;
module_spec.GetUUID().Dump(&strm);
if (module_spec.GetFileSpec()) {
if (module_spec.GetSymbolFileSpec()) {
result.AppendErrorWithFormat(
"Unable to create the executable or symbol file with "
"UUID %s with path %s and symbol file %s",
strm.GetData(), module_spec.GetFileSpec().GetPath().c_str(),
module_spec.GetSymbolFileSpec().GetPath().c_str());
} else {
result.AppendErrorWithFormat(
"Unable to create the executable or symbol file with "
"UUID %s with path %s",
strm.GetData(),
module_spec.GetFileSpec().GetPath().c_str());
}
} else {
result.AppendErrorWithFormat("Unable to create the executable "
"or symbol file with UUID %s",
strm.GetData());
}
result.SetStatus(eReturnStatusFailed);
return false;
}
} else {
StreamString strm;
module_spec.GetUUID().Dump(&strm);
result.AppendErrorWithFormat(
"Unable to locate the executable or symbol file with UUID %s",
strm.GetData());
result.SetStatus(eReturnStatusFailed);
return false;
}
} else {
result.AppendError(
"one or more executable image paths must be specified");
result.SetStatus(eReturnStatusFailed);
return false;
}
} else {
for (auto &entry : args.entries()) {
if (entry.ref().empty())
continue;
FileSpec file_spec(entry.ref());
if (FileSystem::Instance().Exists(file_spec)) {
ModuleSpec module_spec(file_spec);
if (m_uuid_option_group.GetOptionValue().OptionWasSet())
module_spec.GetUUID() =
m_uuid_option_group.GetOptionValue().GetCurrentValue();
if (m_symbol_file.GetOptionValue().OptionWasSet())
module_spec.GetSymbolFileSpec() =
m_symbol_file.GetOptionValue().GetCurrentValue();
if (!module_spec.GetArchitecture().IsValid())
module_spec.GetArchitecture() = target->GetArchitecture();
Status error;
ModuleSP module_sp(target->GetOrCreateModule(
module_spec, true /* notify */, &error));
if (!module_sp) {
const char *error_cstr = error.AsCString();
if (error_cstr)
result.AppendError(error_cstr);
else
result.AppendErrorWithFormat("unsupported module: %s",
entry.c_str());
result.SetStatus(eReturnStatusFailed);
return false;
} else {
flush = true;
}
result.SetStatus(eReturnStatusSuccessFinishResult);
} else {
std::string resolved_path = file_spec.GetPath();
result.SetStatus(eReturnStatusFailed);
if (resolved_path != entry.ref()) {
result.AppendErrorWithFormat(
"invalid module path '%s' with resolved path '%s'\n",
entry.ref().str().c_str(), resolved_path.c_str());
break;
}
result.AppendErrorWithFormat("invalid module path '%s'\n",
entry.c_str());
break;
}
}
}