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//===-- CommandObjectThreadTraceExportCTF.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 "CommandObjectThreadTraceExportCTF.h"
#include "../common/TraceHTR.h"
#include "lldb/Host/OptionParser.h"
#include "lldb/Interpreter/CommandOptionArgumentTable.h"
#include "lldb/Target/Process.h"
#include "lldb/Target/Trace.h"
using namespace lldb;
using namespace lldb_private;
using namespace lldb_private::ctf;
using namespace llvm;
// CommandObjectThreadTraceExportCTF
#define LLDB_OPTIONS_thread_trace_export_ctf
#include "TraceExporterCTFCommandOptions.inc"
Status CommandObjectThreadTraceExportCTF::CommandOptions::SetOptionValue(
uint32_t option_idx, llvm::StringRef option_arg,
ExecutionContext *execution_context) {
Status error;
const int short_option = m_getopt_table[option_idx].val;
switch (short_option) {
case 'f': {
m_file.assign(std::string(option_arg));
break;
}
case 't': {
int64_t thread_index;
if (option_arg.empty() || option_arg.getAsInteger(0, thread_index) ||
thread_index < 0)
error.SetErrorStringWithFormat("invalid integer value for option '%s'",
option_arg.str().c_str());
else
m_thread_index = thread_index;
break;
}
default:
llvm_unreachable("Unimplemented option");
}
return error;
}
void CommandObjectThreadTraceExportCTF::CommandOptions::OptionParsingStarting(
ExecutionContext *execution_context) {
m_file.clear();
m_thread_index = std::nullopt;
}
llvm::ArrayRef<OptionDefinition>
CommandObjectThreadTraceExportCTF::CommandOptions::GetDefinitions() {
return llvm::ArrayRef(g_thread_trace_export_ctf_options);
}
void CommandObjectThreadTraceExportCTF::DoExecute(Args &command,
CommandReturnObject &result) {
const TraceSP &trace_sp = m_exe_ctx.GetTargetSP()->GetTrace();
Process *process = m_exe_ctx.GetProcessPtr();
Thread *thread = m_options.m_thread_index
? process->GetThreadList()
.FindThreadByIndexID(*m_options.m_thread_index)
.get()
: GetDefaultThread();
if (thread == nullptr) {
const uint32_t num_threads = process->GetThreadList().GetSize();
size_t tid = m_options.m_thread_index.value_or(LLDB_INVALID_THREAD_ID);
result.AppendErrorWithFormatv(
"Thread index {0} is out of range (valid values are 1 - {1}).\n", tid,
num_threads);
} else {
auto do_work = [&]() -> Error {
Expected<TraceCursorSP> cursor = trace_sp->CreateNewCursor(*thread);
if (!cursor)
return cursor.takeError();
TraceHTR htr(*thread, **cursor);
htr.ExecutePasses();
return htr.Export(m_options.m_file);
};
if (llvm::Error err = do_work()) {
result.AppendErrorWithFormat("%s\n", toString(std::move(err)).c_str());
}
}
}
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