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 19using namespace lldb_private; 20 21llvm::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 34std::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 45FileSpec 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