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 <optional>
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
GetOSVersion()21 llvm::VersionTuple HostInfoFreeBSD::GetOSVersion() {
22 struct utsname un;
23
24 ::memset(&un, 0, sizeof(utsname));
25 if (uname(&un) < 0)
26 return llvm::VersionTuple();
27
28 unsigned major, minor;
29 if (2 == sscanf(un.release, "%u.%u", &major, &minor))
30 return llvm::VersionTuple(major, minor);
31 return llvm::VersionTuple();
32 }
33
GetOSBuildString()34 std::optional<std::string> HostInfoFreeBSD::GetOSBuildString() {
35 int mib[2] = {CTL_KERN, KERN_OSREV};
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 return llvm::formatv("{0,8:8}", osrev).str();
41
42 return std::nullopt;
43 }
44
GetProgramFileSpec()45 FileSpec HostInfoFreeBSD::GetProgramFileSpec() {
46 static FileSpec g_program_filespec;
47 if (!g_program_filespec) {
48 int exe_path_mib[4] = {CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, getpid()};
49 char exe_path[PATH_MAX];
50 size_t exe_path_size = sizeof(exe_path);
51 if (sysctl(exe_path_mib, 4, exe_path, &exe_path_size, NULL, 0) == 0)
52 g_program_filespec.SetFile(exe_path, FileSpec::Style::native);
53 }
54 return g_program_filespec;
55 }
56