1 //===-- ProcessInfo.cpp -----------------------------------------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #include "lldb/Target/ProcessInfo.h"
11 
12 // C Includes
13 // C++ Includes
14 #include <climits>
15 
16 // Other libraries and framework includes
17 // Project includes
18 #include "lldb/Core/Stream.h"
19 #include "lldb/Host/PosixApi.h"
20 
21 #include "llvm/ADT/SmallString.h"
22 
23 using namespace lldb;
24 using namespace lldb_private;
25 
26 ProcessInfo::ProcessInfo()
27     : m_executable(), m_arguments(), m_environment(), m_uid(UINT32_MAX),
28       m_gid(UINT32_MAX), m_arch(), m_pid(LLDB_INVALID_PROCESS_ID) {}
29 
30 ProcessInfo::ProcessInfo(const char *name, const ArchSpec &arch,
31                          lldb::pid_t pid)
32     : m_executable(name, false), m_arguments(), m_environment(),
33       m_uid(UINT32_MAX), m_gid(UINT32_MAX), m_arch(arch), m_pid(pid) {}
34 
35 void ProcessInfo::Clear() {
36   m_executable.Clear();
37   m_arguments.Clear();
38   m_environment.Clear();
39   m_uid = UINT32_MAX;
40   m_gid = UINT32_MAX;
41   m_arch.Clear();
42   m_pid = LLDB_INVALID_PROCESS_ID;
43 }
44 
45 const char *ProcessInfo::GetName() const {
46   return m_executable.GetFilename().GetCString();
47 }
48 
49 size_t ProcessInfo::GetNameLength() const {
50   return m_executable.GetFilename().GetLength();
51 }
52 
53 void ProcessInfo::Dump(Stream &s, Platform *platform) const {
54   s << "Executable: " << GetName() << "\n";
55   s << "Triple: ";
56   m_arch.DumpTriple(s);
57   s << "\n";
58 
59   s << "Arguments:\n";
60   m_arguments.Dump(s);
61 
62   s << "Environment:\n";
63   m_environment.Dump(s, "env");
64 }
65 
66 void ProcessInfo::SetExecutableFile(const FileSpec &exe_file,
67                                     bool add_exe_file_as_first_arg) {
68   if (exe_file) {
69     m_executable = exe_file;
70     if (add_exe_file_as_first_arg) {
71       llvm::SmallString<PATH_MAX> filename;
72       exe_file.GetPath(filename);
73       if (!filename.empty())
74         m_arguments.InsertArgumentAtIndex(0, filename);
75     }
76   } else {
77     m_executable.Clear();
78   }
79 }
80 
81 llvm::StringRef ProcessInfo::GetArg0() const {
82   return m_arg0;
83 }
84 
85 void ProcessInfo::SetArg0(llvm::StringRef arg) {
86   m_arg0 = arg;
87 }
88 
89 void ProcessInfo::SetArguments(char const **argv,
90                                bool first_arg_is_executable) {
91   m_arguments.SetArguments(argv);
92 
93   // Is the first argument the executable?
94   if (first_arg_is_executable) {
95     const char *first_arg = m_arguments.GetArgumentAtIndex(0);
96     if (first_arg) {
97       // Yes the first argument is an executable, set it as the executable
98       // in the launch options. Don't resolve the file path as the path
99       // could be a remote platform path
100       const bool resolve = false;
101       m_executable.SetFile(first_arg, resolve);
102     }
103   }
104 }
105 
106 void ProcessInfo::SetArguments(const Args &args, bool first_arg_is_executable) {
107   // Copy all arguments
108   m_arguments = args;
109 
110   // Is the first argument the executable?
111   if (first_arg_is_executable) {
112     const char *first_arg = m_arguments.GetArgumentAtIndex(0);
113     if (first_arg) {
114       // Yes the first argument is an executable, set it as the executable
115       // in the launch options. Don't resolve the file path as the path
116       // could be a remote platform path
117       const bool resolve = false;
118       m_executable.SetFile(first_arg, resolve);
119     }
120   }
121 }
122