1 //===-- HostInfoFreeBSD.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 "lldb/Host/freebsd/HostInfoFreeBSD.h"
10
11 #include <cstdio>
12 #include <cstring>
13 #include <sys/sysctl.h>
14 #include <sys/types.h>
15 #include <sys/utsname.h>
16 #include <unistd.h>
17
18 using namespace lldb_private;
19
GetOSVersion()20 llvm::VersionTuple HostInfoFreeBSD::GetOSVersion() {
21 struct utsname un;
22
23 ::memset(&un, 0, sizeof(utsname));
24 if (uname(&un) < 0)
25 return llvm::VersionTuple();
26
27 unsigned major, minor;
28 if (2 == sscanf(un.release, "%u.%u", &major, &minor))
29 return llvm::VersionTuple(major, minor);
30 return llvm::VersionTuple();
31 }
32
GetOSBuildString(std::string & s)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
GetOSKernelDescription(std::string & s)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
GetProgramFileSpec()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 char exe_path[PATH_MAX];
68 size_t exe_path_size = sizeof(exe_path);
69 if (sysctl(exe_path_mib, 4, exe_path, &exe_path_size, NULL, 0) == 0)
70 g_program_filespec.SetFile(exe_path, FileSpec::Style::native);
71 }
72 return g_program_filespec;
73 }
74