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
24 using namespace llvm;
25 using namespace lldb;
26 using namespace lldb_private;
27
28 #define LLDB_OPTIONS_process_launch
29 #include "CommandOptions.inc"
30
SetOptionValue(uint32_t option_idx,llvm::StringRef option_arg,ExecutionContext * execution_context)31 Status 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 switch (short_option) {
38 case 's': // Stop at program entry point
39 launch_info.GetFlags().Set(eLaunchFlagStopAtEntry);
40 break;
41
42 case 'i': // STDIN for read only
43 {
44 FileAction action;
45 if (action.Open(STDIN_FILENO, FileSpec(option_arg), true, false))
46 launch_info.AppendFileAction(action);
47 break;
48 }
49
50 case 'o': // Open STDOUT for write only
51 {
52 FileAction action;
53 if (action.Open(STDOUT_FILENO, FileSpec(option_arg), false, true))
54 launch_info.AppendFileAction(action);
55 break;
56 }
57
58 case 'e': // STDERR for write only
59 {
60 FileAction action;
61 if (action.Open(STDERR_FILENO, FileSpec(option_arg), false, true))
62 launch_info.AppendFileAction(action);
63 break;
64 }
65
66 case 'P': // Process plug-in name
67 launch_info.SetProcessPluginName(option_arg);
68 break;
69
70 case 'n': // Disable STDIO
71 {
72 FileAction action;
73 const FileSpec dev_null(FileSystem::DEV_NULL);
74 if (action.Open(STDIN_FILENO, dev_null, true, false))
75 launch_info.AppendFileAction(action);
76 if (action.Open(STDOUT_FILENO, dev_null, false, true))
77 launch_info.AppendFileAction(action);
78 if (action.Open(STDERR_FILENO, dev_null, false, true))
79 launch_info.AppendFileAction(action);
80 break;
81 }
82
83 case 'w':
84 launch_info.SetWorkingDirectory(FileSpec(option_arg));
85 break;
86
87 case 't': // Open process in new terminal window
88 launch_info.GetFlags().Set(eLaunchFlagLaunchInTTY);
89 break;
90
91 case 'a': {
92 TargetSP target_sp =
93 execution_context ? execution_context->GetTargetSP() : TargetSP();
94 PlatformSP platform_sp =
95 target_sp ? target_sp->GetPlatform() : PlatformSP();
96 launch_info.GetArchitecture() =
97 Platform::GetAugmentedArchSpec(platform_sp.get(), option_arg);
98 } break;
99
100 case 'A': // Disable ASLR.
101 {
102 bool success;
103 const bool disable_aslr_arg =
104 OptionArgParser::ToBoolean(option_arg, true, &success);
105 if (success)
106 disable_aslr = disable_aslr_arg ? eLazyBoolYes : eLazyBoolNo;
107 else
108 error.SetErrorStringWithFormat(
109 "Invalid boolean value for disable-aslr option: '%s'",
110 option_arg.empty() ? "<null>" : option_arg.str().c_str());
111 break;
112 }
113
114 case 'X': // shell expand args.
115 {
116 bool success;
117 const bool expand_args =
118 OptionArgParser::ToBoolean(option_arg, true, &success);
119 if (success)
120 launch_info.SetShellExpandArguments(expand_args);
121 else
122 error.SetErrorStringWithFormat(
123 "Invalid boolean value for shell-expand-args option: '%s'",
124 option_arg.empty() ? "<null>" : option_arg.str().c_str());
125 break;
126 }
127
128 case 'c':
129 if (!option_arg.empty())
130 launch_info.SetShell(FileSpec(option_arg));
131 else
132 launch_info.SetShell(HostInfo::GetDefaultShell());
133 break;
134
135 case 'E':
136 launch_info.GetEnvironment().insert(option_arg);
137 break;
138
139 default:
140 error.SetErrorStringWithFormat("unrecognized short option character '%c'",
141 short_option);
142 break;
143 }
144 return error;
145 }
146
GetDefinitions()147 llvm::ArrayRef<OptionDefinition> CommandOptionsProcessLaunch::GetDefinitions() {
148 return llvm::ArrayRef(g_process_launch_options);
149 }
150