llvm-project/lldb/source/Commands/CommandOptionsProcessLaunch...

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4.2 KiB
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//===-- CommandOptionsProcessLaunch.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 "CommandOptionsProcessLaunch.h"
#include "lldb/Host/FileSystem.h"
#include "lldb/Host/HostInfo.h"
#include "lldb/Host/OptionParser.h"
#include "lldb/Interpreter/CommandCompletions.h"
#include "lldb/Interpreter/OptionArgParser.h"
#include "lldb/Target/ExecutionContext.h"
#include "lldb/Target/Platform.h"
#include "lldb/Target/Target.h"
#include "llvm/ADT/ArrayRef.h"
using namespace llvm;
using namespace lldb;
using namespace lldb_private;
#define LLDB_OPTIONS_process_launch
#include "CommandOptions.inc"
Status CommandOptionsProcessLaunch::SetOptionValue(
uint32_t option_idx, llvm::StringRef option_arg,
ExecutionContext *execution_context) {
Status error;
const int short_option = g_process_launch_options[option_idx].short_option;
switch (short_option) {
case 's': // Stop at program entry point
launch_info.GetFlags().Set(eLaunchFlagStopAtEntry);
break;
case 'i': // STDIN for read only
{
FileAction action;
if (action.Open(STDIN_FILENO, FileSpec(option_arg), true, false))
launch_info.AppendFileAction(action);
break;
}
case 'o': // Open STDOUT for write only
{
FileAction action;
if (action.Open(STDOUT_FILENO, FileSpec(option_arg), false, true))
launch_info.AppendFileAction(action);
break;
}
case 'e': // STDERR for write only
{
FileAction action;
if (action.Open(STDERR_FILENO, FileSpec(option_arg), false, true))
launch_info.AppendFileAction(action);
break;
}
case 'P': // Process plug-in name
launch_info.SetProcessPluginName(option_arg);
break;
case 'n': // Disable STDIO
{
FileAction action;
const FileSpec dev_null(FileSystem::DEV_NULL);
if (action.Open(STDIN_FILENO, dev_null, true, false))
launch_info.AppendFileAction(action);
if (action.Open(STDOUT_FILENO, dev_null, false, true))
launch_info.AppendFileAction(action);
if (action.Open(STDERR_FILENO, dev_null, false, true))
launch_info.AppendFileAction(action);
break;
}
case 'w':
launch_info.SetWorkingDirectory(FileSpec(option_arg));
break;
case 't': // Open process in new terminal window
launch_info.GetFlags().Set(eLaunchFlagLaunchInTTY);
break;
case 'a': {
TargetSP target_sp =
execution_context ? execution_context->GetTargetSP() : TargetSP();
PlatformSP platform_sp =
target_sp ? target_sp->GetPlatform() : PlatformSP();
launch_info.GetArchitecture() =
Platform::GetAugmentedArchSpec(platform_sp.get(), option_arg);
} break;
case 'A': // Disable ASLR.
{
bool success;
const bool disable_aslr_arg =
OptionArgParser::ToBoolean(option_arg, true, &success);
if (success)
disable_aslr = disable_aslr_arg ? eLazyBoolYes : eLazyBoolNo;
else
error.SetErrorStringWithFormat(
"Invalid boolean value for disable-aslr option: '%s'",
option_arg.empty() ? "<null>" : option_arg.str().c_str());
break;
}
case 'X': // shell expand args.
{
bool success;
const bool expand_args =
OptionArgParser::ToBoolean(option_arg, true, &success);
if (success)
launch_info.SetShellExpandArguments(expand_args);
else
error.SetErrorStringWithFormat(
"Invalid boolean value for shell-expand-args option: '%s'",
option_arg.empty() ? "<null>" : option_arg.str().c_str());
break;
}
case 'c':
if (!option_arg.empty())
launch_info.SetShell(FileSpec(option_arg));
else
launch_info.SetShell(HostInfo::GetDefaultShell());
break;
case 'E':
launch_info.GetEnvironment().insert(option_arg);
break;
default:
error.SetErrorStringWithFormat("unrecognized short option character '%c'",
short_option);
break;
}
return error;
}
llvm::ArrayRef<OptionDefinition> CommandOptionsProcessLaunch::GetDefinitions() {
return llvm::makeArrayRef(g_process_launch_options);
}