1 //===-- HostInfoNetBSD.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/netbsd/HostInfoNetBSD.h"
10
11 #include <cinttypes>
12 #include <climits>
13 #include <cstdio>
14 #include <cstring>
15 #include <pthread.h>
16 #include <sys/sysctl.h>
17 #include <sys/types.h>
18 #include <sys/utsname.h>
19 #include <unistd.h>
20
21 using namespace lldb_private;
22
GetOSVersion()23 llvm::VersionTuple HostInfoNetBSD::GetOSVersion() {
24 struct utsname un;
25
26 ::memset(&un, 0, sizeof(un));
27 if (::uname(&un) < 0)
28 return llvm::VersionTuple();
29
30 /* Accept versions like 7.99.21 and 6.1_STABLE */
31 uint32_t major, minor, update;
32 int status = ::sscanf(un.release, "%" PRIu32 ".%" PRIu32 ".%" PRIu32, &major,
33 &minor, &update);
34 switch (status) {
35 case 1:
36 return llvm::VersionTuple(major);
37 case 2:
38 return llvm::VersionTuple(major, minor);
39 case 3:
40 return llvm::VersionTuple(major, minor, update);
41 }
42 return llvm::VersionTuple();
43 }
44
GetOSBuildString(std::string & s)45 bool HostInfoNetBSD::GetOSBuildString(std::string &s) {
46 int mib[2] = {CTL_KERN, KERN_OSREV};
47 char osrev_str[12];
48 int osrev = 0;
49 size_t osrev_len = sizeof(osrev);
50
51 if (::sysctl(mib, 2, &osrev, &osrev_len, NULL, 0) == 0) {
52 ::snprintf(osrev_str, sizeof(osrev_str), "%-10.10d", osrev);
53 s.assign(osrev_str);
54 return true;
55 }
56
57 s.clear();
58 return false;
59 }
60
GetOSKernelDescription(std::string & s)61 bool HostInfoNetBSD::GetOSKernelDescription(std::string &s) {
62 struct utsname un;
63
64 ::memset(&un, 0, sizeof(un));
65 s.clear();
66
67 if (::uname(&un) < 0)
68 return false;
69
70 s.assign(un.version);
71
72 return true;
73 }
74
GetProgramFileSpec()75 FileSpec HostInfoNetBSD::GetProgramFileSpec() {
76 static FileSpec g_program_filespec;
77
78 if (!g_program_filespec) {
79 static const int name[] = {
80 CTL_KERN, KERN_PROC_ARGS, -1, KERN_PROC_PATHNAME,
81 };
82 char path[MAXPATHLEN];
83 size_t len;
84
85 len = sizeof(path);
86 if (sysctl(name, __arraycount(name), path, &len, NULL, 0) != -1) {
87 g_program_filespec.SetFile(path, FileSpec::Style::native);
88 }
89 }
90 return g_program_filespec;
91 }
92