LLDB  mainline
HostInfoNetBSD.cpp
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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 
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 
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 
45 llvm::Optional<std::string> HostInfoNetBSD::GetOSBuildString() {
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  return llvm::formatv("{0,10:10}", osrev).str();
53 
54  return llvm::None;
55 }
56 
58  static FileSpec g_program_filespec;
59 
60  if (!g_program_filespec) {
61  static const int name[] = {
62  CTL_KERN, KERN_PROC_ARGS, -1, KERN_PROC_PATHNAME,
63  };
64  char path[MAXPATHLEN];
65  size_t len;
66 
67  len = sizeof(path);
68  if (sysctl(name, __arraycount(name), path, &len, NULL, 0) != -1) {
69  g_program_filespec.SetFile(path, FileSpec::Style::native);
70  }
71  }
72  return g_program_filespec;
73 }
lldb_private::HostInfoNetBSD::GetProgramFileSpec
static FileSpec GetProgramFileSpec()
Definition: HostInfoNetBSD.cpp:57
lldb_private::FileSpec
Definition: FileSpec.h:56
lldb_private::HostInfoNetBSD::GetOSBuildString
static llvm::Optional< std::string > GetOSBuildString()
Definition: HostInfoNetBSD.cpp:45
HostInfoNetBSD.h
uint32_t
lldb_private
A class that represents a running process on the host machine.
Definition: SBCommandInterpreterRunOptions.h:16
lldb_private::HostInfoNetBSD::GetOSVersion
static llvm::VersionTuple GetOSVersion()
Definition: HostInfoNetBSD.cpp:23
lldb_private::FileSpec::SetFile
void SetFile(llvm::StringRef path, Style style)
Change the file specified with a new path.
Definition: FileSpec.cpp:174