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 #include "llvm/Support/FormatVariadic.h"
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()33 llvm::Optional<std::string> HostInfoFreeBSD::GetOSBuildString() {
34 int mib[2] = {CTL_KERN, KERN_OSREV};
35 uint32_t osrev = 0;
36 size_t osrev_len = sizeof(osrev);
37
38 if (::sysctl(mib, 2, &osrev, &osrev_len, NULL, 0) == 0)
39 return llvm::formatv("{0,8:8}", osrev).str();
40
41 return llvm::None;
42 }
43
GetProgramFileSpec()44 FileSpec HostInfoFreeBSD::GetProgramFileSpec() {
45 static FileSpec g_program_filespec;
46 if (!g_program_filespec) {
47 int exe_path_mib[4] = {CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, getpid()};
48 char exe_path[PATH_MAX];
49 size_t exe_path_size = sizeof(exe_path);
50 if (sysctl(exe_path_mib, 4, exe_path, &exe_path_size, NULL, 0) == 0)
51 g_program_filespec.SetFile(exe_path, FileSpec::Style::native);
52 }
53 return g_program_filespec;
54 }
55