10 #include "llvm/Support/FormatVariadic.h"
13 #include <sys/sysctl.h>
14 #include <sys/types.h>
15 #include <sys/utsname.h>
23 ::memset(&un, 0,
sizeof(utsname));
25 return llvm::VersionTuple();
27 unsigned major, minor;
28 if (2 == sscanf(un.release,
"%u.%u", &major, &minor))
29 return llvm::VersionTuple(major, minor);
30 return llvm::VersionTuple();
34 int mib[2] = {CTL_KERN, KERN_OSREV};
36 size_t osrev_len =
sizeof(osrev);
38 if (::sysctl(mib, 2, &osrev, &osrev_len, NULL, 0) == 0)
39 return llvm::formatv(
"{0,8:8}", osrev).str();
46 if (!g_program_filespec) {
47 int exe_path_mib[4] = {CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, getpid()};
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);
53 return g_program_filespec;