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 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 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 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