1//===-- CommandOptionsProcessLaunch.cpp -----------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include "CommandOptionsProcessLaunch.h"
10
11#include "lldb/Host/FileSystem.h"
12#include "lldb/Host/HostInfo.h"
13#include "lldb/Host/OptionParser.h"
14#include "lldb/Interpreter/CommandCompletions.h"
15#include "lldb/Interpreter/CommandObject.h"
16#include "lldb/Interpreter/CommandOptionArgumentTable.h"
17#include "lldb/Interpreter/OptionArgParser.h"
18#include "lldb/Target/ExecutionContext.h"
19#include "lldb/Target/Platform.h"
20#include "lldb/Target/Target.h"
21
22#include "llvm/ADT/ArrayRef.h"
23
24using namespace llvm;
25using namespace lldb;
26using namespace lldb_private;
27
28#define LLDB_OPTIONS_process_launch
29#include "CommandOptions.inc"
30
31Status CommandOptionsProcessLaunch::SetOptionValue(
32 uint32_t option_idx, llvm::StringRef option_arg,
33 ExecutionContext *execution_context) {
34 Status error;
35 const int short_option = g_process_launch_options[option_idx].short_option;
36
37 TargetSP target_sp =
38 execution_context ? execution_context->GetTargetSP() : TargetSP();
39 switch (short_option) {
40 case 's': // Stop at program entry point
41 launch_info.GetFlags().Set(eLaunchFlagStopAtEntry);
42 break;
43 case 'm': // Stop at user entry point
44 target_sp->CreateBreakpointAtUserEntry(error);
45 break;
46 case 'i': // STDIN for read only
47 {
48 FileAction action;
49 if (action.Open(STDIN_FILENO, file_spec: FileSpec(option_arg), read: true, write: false))
50 launch_info.AppendFileAction(info: action);
51 break;
52 }
53
54 case 'o': // Open STDOUT for write only
55 {
56 FileAction action;
57 if (action.Open(STDOUT_FILENO, file_spec: FileSpec(option_arg), read: false, write: true))
58 launch_info.AppendFileAction(info: action);
59 break;
60 }
61
62 case 'e': // STDERR for write only
63 {
64 FileAction action;
65 if (action.Open(STDERR_FILENO, file_spec: FileSpec(option_arg), read: false, write: true))
66 launch_info.AppendFileAction(info: action);
67 break;
68 }
69
70 case 'P': // Process plug-in name
71 launch_info.SetProcessPluginName(option_arg);
72 break;
73
74 case 'n': // Disable STDIO
75 {
76 FileAction action;
77 const FileSpec dev_null(FileSystem::DEV_NULL);
78 if (action.Open(STDIN_FILENO, file_spec: dev_null, read: true, write: false))
79 launch_info.AppendFileAction(info: action);
80 if (action.Open(STDOUT_FILENO, file_spec: dev_null, read: false, write: true))
81 launch_info.AppendFileAction(info: action);
82 if (action.Open(STDERR_FILENO, file_spec: dev_null, read: false, write: true))
83 launch_info.AppendFileAction(info: action);
84 break;
85 }
86
87 case 'w':
88 launch_info.SetWorkingDirectory(FileSpec(option_arg));
89 break;
90
91 case 't': // Open process in new terminal window
92 launch_info.GetFlags().Set(eLaunchFlagLaunchInTTY);
93 break;
94
95 case 'a': {
96 PlatformSP platform_sp =
97 target_sp ? target_sp->GetPlatform() : PlatformSP();
98 launch_info.GetArchitecture() =
99 Platform::GetAugmentedArchSpec(platform: platform_sp.get(), triple: option_arg);
100 } break;
101
102 case 'A': // Disable ASLR.
103 {
104 bool success;
105 const bool disable_aslr_arg =
106 OptionArgParser::ToBoolean(s: option_arg, fail_value: true, success_ptr: &success);
107 if (success)
108 disable_aslr = disable_aslr_arg ? eLazyBoolYes : eLazyBoolNo;
109 else
110 return Status::FromErrorStringWithFormat(
111 format: "Invalid boolean value for disable-aslr option: '%s'",
112 option_arg.empty() ? "<null>" : option_arg.str().c_str());
113 break;
114 }
115
116 case 'X': // shell expand args.
117 {
118 bool success;
119 const bool expand_args =
120 OptionArgParser::ToBoolean(s: option_arg, fail_value: true, success_ptr: &success);
121 if (success)
122 launch_info.SetShellExpandArguments(expand_args);
123 else
124 return Status::FromErrorStringWithFormat(
125 format: "Invalid boolean value for shell-expand-args option: '%s'",
126 option_arg.empty() ? "<null>" : option_arg.str().c_str());
127 break;
128 }
129
130 case 'c':
131 if (!option_arg.empty())
132 launch_info.SetShell(FileSpec(option_arg));
133 else
134 launch_info.SetShell(HostInfo::GetDefaultShell());
135 break;
136
137 case 'E':
138 launch_info.GetEnvironment().insert(option_arg);
139 break;
140
141 default:
142 return Status::FromErrorStringWithFormat(
143 format: "unrecognized short option character '%c'", short_option);
144 }
145 return error;
146}
147
148llvm::ArrayRef<OptionDefinition> CommandOptionsProcessLaunch::GetDefinitions() {
149 return llvm::ArrayRef(g_process_launch_options);
150}
151

source code of lldb/source/Commands/CommandOptionsProcessLaunch.cpp