forked from OSchip/llvm-project
103 lines
3.1 KiB
C++
103 lines
3.1 KiB
C++
//===-- ProcessLauncherWindows.cpp ------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "lldb/Core/Error.h"
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#include "lldb/Core/Log.h"
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#include "lldb/Core/Module.h"
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#include "lldb/Core/ModuleSpec.h"
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#include "lldb/Host/HostProcess.h"
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#include "lldb/Host/MonitoringProcessLauncher.h"
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#include "lldb/Target/Platform.h"
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#include "lldb/Target/Process.h"
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#include "lldb/Target/ProcessLaunchInfo.h"
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using namespace lldb;
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using namespace lldb_private;
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MonitoringProcessLauncher::MonitoringProcessLauncher(std::unique_ptr<ProcessLauncher> delegate_launcher)
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: m_delegate_launcher(std::move(delegate_launcher))
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{
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}
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HostProcess
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MonitoringProcessLauncher::LaunchProcess(const ProcessLaunchInfo &launch_info, Error &error)
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{
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ProcessLaunchInfo resolved_info(launch_info);
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error.Clear();
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char exe_path[PATH_MAX];
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PlatformSP host_platform_sp(Platform::GetHostPlatform());
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const ArchSpec &arch_spec = resolved_info.GetArchitecture();
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FileSpec exe_spec(resolved_info.GetExecutableFile());
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FileSpec::FileType file_type = exe_spec.GetFileType();
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if (file_type != FileSpec::eFileTypeRegular)
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{
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ModuleSpec module_spec(exe_spec, arch_spec);
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lldb::ModuleSP exe_module_sp;
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error = host_platform_sp->ResolveExecutable(module_spec, exe_module_sp, NULL);
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if (error.Fail())
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return HostProcess();
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if (exe_module_sp)
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exe_spec = exe_module_sp->GetFileSpec();
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}
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if (exe_spec.Exists())
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{
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exe_spec.GetPath(exe_path, sizeof(exe_path));
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}
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else
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{
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resolved_info.GetExecutableFile().GetPath(exe_path, sizeof(exe_path));
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error.SetErrorStringWithFormat("executable doesn't exist: '%s'", exe_path);
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return HostProcess();
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}
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resolved_info.SetExecutableFile(exe_spec, false);
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assert(!resolved_info.GetFlags().Test(eLaunchFlagLaunchInTTY));
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HostProcess process = m_delegate_launcher->LaunchProcess(resolved_info, error);
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if (process.GetProcessId() != LLDB_INVALID_PROCESS_ID)
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{
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Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS));
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Host::MonitorChildProcessCallback callback = launch_info.GetMonitorProcessCallback();
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void *baton = nullptr;
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bool monitor_signals = false;
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if (callback)
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{
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// If the ProcessLaunchInfo specified a callback, use that.
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baton = launch_info.GetMonitorProcessBaton();
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monitor_signals = launch_info.GetMonitorSignals();
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}
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else
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{
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callback = Process::SetProcessExitStatus;
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}
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process.StartMonitoring(callback, baton, monitor_signals);
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if (log)
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log->PutCString("started monitoring child process.");
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}
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else
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{
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// Invalid process ID, something didn't go well
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if (error.Success())
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error.SetErrorString("process launch failed for unknown reasons");
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}
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return process;
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}
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