1 //===-- HostInfoFreeBSD.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/Host/freebsd/HostInfoFreeBSD.h"
11 
12 #include <stdio.h>
13 #include <string.h>
14 #include <sys/sysctl.h>
15 #include <sys/types.h>
16 #include <sys/utsname.h>
17 #include <unistd.h>
18 
19 using namespace lldb_private;
20 
21 bool HostInfoFreeBSD::GetOSVersion(uint32_t &major, uint32_t &minor,
22                                    uint32_t &update) {
23   struct utsname un;
24 
25   ::memset(&un, 0, sizeof(utsname));
26   if (uname(&un) < 0)
27     return false;
28 
29   int status = sscanf(un.release, "%u.%u", &major, &minor);
30   return status == 2;
31 }
32 
33 bool HostInfoFreeBSD::GetOSBuildString(std::string &s) {
34   int mib[2] = {CTL_KERN, KERN_OSREV};
35   char osrev_str[12];
36   uint32_t osrev = 0;
37   size_t osrev_len = sizeof(osrev);
38 
39   if (::sysctl(mib, 2, &osrev, &osrev_len, NULL, 0) == 0) {
40     ::snprintf(osrev_str, sizeof(osrev_str), "%-8.8u", osrev);
41     s.assign(osrev_str);
42     return true;
43   }
44 
45   s.clear();
46   return false;
47 }
48 
49 bool HostInfoFreeBSD::GetOSKernelDescription(std::string &s) {
50   struct utsname un;
51 
52   ::memset(&un, 0, sizeof(utsname));
53   s.clear();
54 
55   if (uname(&un) < 0)
56     return false;
57 
58   s.assign(un.version);
59 
60   return true;
61 }
62 
63 FileSpec HostInfoFreeBSD::GetProgramFileSpec() {
64   static FileSpec g_program_filespec;
65   if (!g_program_filespec) {
66     int exe_path_mib[4] = {CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, getpid()};
67     size_t exe_path_size;
68     if (sysctl(exe_path_mib, 4, NULL, &exe_path_size, NULL, 0) == 0) {
69       char *exe_path = new char[exe_path_size];
70       if (sysctl(exe_path_mib, 4, exe_path, &exe_path_size, NULL, 0) == 0)
71         g_program_filespec.SetFile(exe_path, false);
72       delete[] exe_path;
73     }
74   }
75   return g_program_filespec;
76 }