Add NetBSD specific version of sanitizer_platform_limits_posix

Summary:
NetBSD is an Open-Source POSIX-like BSD Operating System.

Part of the code inspired by the original work on libsanitizer in GCC 5.4 by Christos Zoulas.

Sponsored by <The NetBSD Foundation>

Reviewers: joerg, kcc, vitalybuka, filcab, fjricci

Reviewed By: kcc

Subscribers: llvm-commits, kubamracek, mgorny, #sanitizers

Tags: #sanitizers

Differential Revision: https://reviews.llvm.org/D37193

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@311933 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 359 insertions, 0 deletions

diff --git a/lib/sanitizer_common/sanitizer_platform_limits_netbsd.cc b/lib/sanitizer_common/sanitizer_platform_limits_netbsd.cc
new file mode 100644
index 000000000..3be1d371f
--- /dev/null
+++ b/lib/sanitizer_common/sanitizer_platform_limits_netbsd.cc
@@ -0,0 +1,359 @@
+//===-- sanitizer_platform_limits_netbsd.cc -------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file is a part of Sanitizer common code.
+//
+// Sizes and layouts of platform-specific NetBSD data structures.
+//===----------------------------------------------------------------------===//
+
+#include "sanitizer_platform.h"
+
+#if SANITIZER_NETBSD
+#include <arpa/inet.h>
+#include <dirent.h>
+#include <glob.h>
+#include <grp.h>
+#include <ifaddrs.h>
+#include <limits.h>
+#include <link_elf.h>
+#include <net/if.h>
+#include <net/if_ether.h>
+#include <net/ppp_defs.h>
+#include <net/route.h>
+#include <netdb.h>
+#include <netinet/in.h>
+#include <netinet/ip_mroute.h>
+#include <poll.h>
+#include <pthread.h>
+#include <pwd.h>
+#include <semaphore.h>
+#include <signal.h>
+#include <stddef.h>
+#include <sys/filio.h>
+#include <sys/ipc.h>
+#include <sys/mman.h>
+#include <sys/mount.h>
+#include <sys/mqueue.h>
+#include <sys/msg.h>
+#include <sys/mtio.h>
+#include <sys/ptrace.h>
+#include <sys/resource.h>
+#include <sys/shm.h>
+#include <sys/signal.h>
+#include <sys/socket.h>
+#include <sys/sockio.h>
+#include <sys/soundcard.h>
+#include <sys/stat.h>
+#include <sys/statvfs.h>
+#include <sys/time.h>
+#include <sys/timeb.h>
+#include <sys/times.h>
+#include <sys/timespec.h>
+#include <sys/timex.h>
+#include <sys/types.h>
+#include <sys/ucontext.h>
+#include <sys/utsname.h>
+#include <term.h>
+#include <termios.h>
+#include <time.h>
+#include <utime.h>
+#include <utmp.h>
+#include <utmpx.h>
+#include <wchar.h>
+#include <wordexp.h>
+
+// Include these after system headers to avoid name clashes and ambiguities.
+#include "sanitizer_internal_defs.h"
+#include "sanitizer_platform_limits_netbsd.h"
+
+namespace __sanitizer {
+unsigned struct_utsname_sz = sizeof(struct utsname);
+unsigned struct_stat_sz = sizeof(struct stat);
+unsigned struct_rusage_sz = sizeof(struct rusage);
+unsigned struct_tm_sz = sizeof(struct tm);
+unsigned struct_passwd_sz = sizeof(struct passwd);
+unsigned struct_group_sz = sizeof(struct group);
+unsigned siginfo_t_sz = sizeof(siginfo_t);
+unsigned struct_sigaction_sz = sizeof(struct sigaction);
+unsigned struct_itimerval_sz = sizeof(struct itimerval);
+unsigned pthread_t_sz = sizeof(pthread_t);
+unsigned pthread_cond_t_sz = sizeof(pthread_cond_t);
+unsigned pid_t_sz = sizeof(pid_t);
+unsigned timeval_sz = sizeof(timeval);
+unsigned uid_t_sz = sizeof(uid_t);
+unsigned gid_t_sz = sizeof(gid_t);
+unsigned mbstate_t_sz = sizeof(mbstate_t);
+unsigned sigset_t_sz = sizeof(sigset_t);
+unsigned struct_timezone_sz = sizeof(struct timezone);
+unsigned struct_tms_sz = sizeof(struct tms);
+unsigned struct_sigevent_sz = sizeof(struct sigevent);
+unsigned struct_sched_param_sz = sizeof(struct sched_param);
+unsigned struct_sockaddr_sz = sizeof(struct sockaddr);
+unsigned ucontext_t_sz = sizeof(ucontext_t);
+unsigned struct_rlimit_sz = sizeof(struct rlimit);
+unsigned struct_timespec_sz = sizeof(struct timespec);
+unsigned struct_utimbuf_sz = sizeof(struct utimbuf);
+unsigned struct_itimerspec_sz = sizeof(struct itimerspec);
+unsigned struct_timex_sz = sizeof(struct timex);
+unsigned struct_msqid_ds_sz = sizeof(struct msqid_ds);
+unsigned struct_mq_attr_sz = sizeof(struct mq_attr);
+unsigned struct_statvfs_sz = sizeof(struct statvfs);
+
+uptr sig_ign = (uptr)SIG_IGN;
+uptr sig_dfl = (uptr)SIG_DFL;
+uptr sa_siginfo = (uptr)SA_SIGINFO;
+
+int shmctl_ipc_stat = (int)IPC_STAT;
+
+unsigned struct_utmp_sz = sizeof(struct utmp);
+unsigned struct_utmpx_sz = sizeof(struct utmpx);
+
+int map_fixed = MAP_FIXED;
+
+int af_inet = (int)AF_INET;
+int af_inet6 = (int)AF_INET6;
+
+uptr __sanitizer_in_addr_sz(int af) {
+  if (af == AF_INET)
+    return sizeof(struct in_addr);
+  else if (af == AF_INET6)
+    return sizeof(struct in6_addr);
+  else
+    return 0;
+}
+
+int glob_nomatch = GLOB_NOMATCH;
+int glob_altdirfunc = GLOB_ALTDIRFUNC;
+
+unsigned path_max = PATH_MAX;
+
+// ioctl arguments
+unsigned struct_ifreq_sz = sizeof(struct ifreq);
+unsigned struct_termios_sz = sizeof(struct termios);
+unsigned struct_winsize_sz = sizeof(struct winsize);
+unsigned struct_mtget_sz = sizeof(struct mtget);
+unsigned struct_mtop_sz = sizeof(struct mtop);
+unsigned struct_audio_buf_info_sz = sizeof(struct audio_buf_info);
+unsigned struct_ppp_stats_sz = sizeof(struct ppp_stats);
+unsigned struct_sioc_sg_req_sz = sizeof(struct sioc_sg_req);
+unsigned struct_sioc_vif_req_sz = sizeof(struct sioc_vif_req);
+
+const unsigned IOCTL_NOT_PRESENT = 0;
+
+unsigned IOCTL_FIOASYNC = FIOASYNC;
+unsigned IOCTL_FIOCLEX = FIOCLEX;
+unsigned IOCTL_FIOGETOWN = FIOGETOWN;
+unsigned IOCTL_FIONBIO = FIONBIO;
+unsigned IOCTL_FIONCLEX = FIONCLEX;
+unsigned IOCTL_FIOSETOWN = FIOSETOWN;
+unsigned IOCTL_SIOCADDMULTI = SIOCADDMULTI;
+unsigned IOCTL_SIOCATMARK = SIOCATMARK;
+unsigned IOCTL_SIOCDELMULTI = SIOCDELMULTI;
+unsigned IOCTL_SIOCGIFADDR = SIOCGIFADDR;
+unsigned IOCTL_SIOCGIFBRDADDR = SIOCGIFBRDADDR;
+unsigned IOCTL_SIOCGIFCONF = SIOCGIFCONF;
+unsigned IOCTL_SIOCGIFDSTADDR = SIOCGIFDSTADDR;
+unsigned IOCTL_SIOCGIFFLAGS = SIOCGIFFLAGS;
+unsigned IOCTL_SIOCGIFMETRIC = SIOCGIFMETRIC;
+unsigned IOCTL_SIOCGIFMTU = SIOCGIFMTU;
+unsigned IOCTL_SIOCGIFNETMASK = SIOCGIFNETMASK;
+unsigned IOCTL_SIOCGPGRP = SIOCGPGRP;
+unsigned IOCTL_SIOCSIFADDR = SIOCSIFADDR;
+unsigned IOCTL_SIOCSIFBRDADDR = SIOCSIFBRDADDR;
+unsigned IOCTL_SIOCSIFDSTADDR = SIOCSIFDSTADDR;
+unsigned IOCTL_SIOCSIFFLAGS = SIOCSIFFLAGS;
+unsigned IOCTL_SIOCSIFMETRIC = SIOCSIFMETRIC;
+unsigned IOCTL_SIOCSIFMTU = SIOCSIFMTU;
+unsigned IOCTL_SIOCSIFNETMASK = SIOCSIFNETMASK;
+unsigned IOCTL_SIOCSPGRP = SIOCSPGRP;
+unsigned IOCTL_TIOCCONS = TIOCCONS;
+unsigned IOCTL_TIOCEXCL = TIOCEXCL;
+unsigned IOCTL_TIOCGETD = TIOCGETD;
+unsigned IOCTL_TIOCGPGRP = TIOCGPGRP;
+unsigned IOCTL_TIOCGWINSZ = TIOCGWINSZ;
+unsigned IOCTL_TIOCMBIC = TIOCMBIC;
+unsigned IOCTL_TIOCMBIS = TIOCMBIS;
+unsigned IOCTL_TIOCMGET = TIOCMGET;
+unsigned IOCTL_TIOCMSET = TIOCMSET;
+unsigned IOCTL_TIOCNOTTY = TIOCNOTTY;
+unsigned IOCTL_TIOCNXCL = TIOCNXCL;
+unsigned IOCTL_TIOCOUTQ = TIOCOUTQ;
+unsigned IOCTL_TIOCPKT = TIOCPKT;
+unsigned IOCTL_TIOCSCTTY = TIOCSCTTY;
+unsigned IOCTL_TIOCSETD = TIOCSETD;
+unsigned IOCTL_TIOCSPGRP = TIOCSPGRP;
+unsigned IOCTL_TIOCSTI = TIOCSTI;
+unsigned IOCTL_TIOCSWINSZ = TIOCSWINSZ;
+unsigned IOCTL_SIOCGETSGCNT = SIOCGETSGCNT;
+unsigned IOCTL_SIOCGETVIFCNT = SIOCGETVIFCNT;
+
+const int si_SEGV_MAPERR = SEGV_MAPERR;
+const int si_SEGV_ACCERR = SEGV_ACCERR;
+}  // namespace __sanitizer
+
+using namespace __sanitizer;
+
+COMPILER_CHECK(sizeof(__sanitizer_pthread_attr_t) >= sizeof(pthread_attr_t));
+
+COMPILER_CHECK(sizeof(socklen_t) == sizeof(unsigned));
+CHECK_TYPE_SIZE(pthread_key_t);
+
+// There are more undocumented fields in dl_phdr_info that we are not interested
+// in.
+COMPILER_CHECK(sizeof(__sanitizer_dl_phdr_info) <= sizeof(dl_phdr_info));
+CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_addr);
+CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_name);
+CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_phdr);
+CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_phnum);
+
+CHECK_TYPE_SIZE(glob_t);
+CHECK_SIZE_AND_OFFSET(glob_t, gl_pathc);
+CHECK_SIZE_AND_OFFSET(glob_t, gl_pathv);
+CHECK_SIZE_AND_OFFSET(glob_t, gl_offs);
+CHECK_SIZE_AND_OFFSET(glob_t, gl_flags);
+CHECK_SIZE_AND_OFFSET(glob_t, gl_closedir);
+CHECK_SIZE_AND_OFFSET(glob_t, gl_readdir);
+CHECK_SIZE_AND_OFFSET(glob_t, gl_opendir);
+CHECK_SIZE_AND_OFFSET(glob_t, gl_lstat);
+CHECK_SIZE_AND_OFFSET(glob_t, gl_stat);
+
+CHECK_TYPE_SIZE(addrinfo);
+CHECK_SIZE_AND_OFFSET(addrinfo, ai_flags);
+CHECK_SIZE_AND_OFFSET(addrinfo, ai_family);
+CHECK_SIZE_AND_OFFSET(addrinfo, ai_socktype);
+CHECK_SIZE_AND_OFFSET(addrinfo, ai_protocol);
+CHECK_SIZE_AND_OFFSET(addrinfo, ai_protocol);
+CHECK_SIZE_AND_OFFSET(addrinfo, ai_addrlen);
+CHECK_SIZE_AND_OFFSET(addrinfo, ai_canonname);
+CHECK_SIZE_AND_OFFSET(addrinfo, ai_addr);
+
+CHECK_TYPE_SIZE(hostent);
+CHECK_SIZE_AND_OFFSET(hostent, h_name);
+CHECK_SIZE_AND_OFFSET(hostent, h_aliases);
+CHECK_SIZE_AND_OFFSET(hostent, h_addrtype);
+CHECK_SIZE_AND_OFFSET(hostent, h_length);
+CHECK_SIZE_AND_OFFSET(hostent, h_addr_list);
+
+CHECK_TYPE_SIZE(iovec);
+CHECK_SIZE_AND_OFFSET(iovec, iov_base);
+CHECK_SIZE_AND_OFFSET(iovec, iov_len);
+
+CHECK_TYPE_SIZE(msghdr);
+CHECK_SIZE_AND_OFFSET(msghdr, msg_name);
+CHECK_SIZE_AND_OFFSET(msghdr, msg_namelen);
+CHECK_SIZE_AND_OFFSET(msghdr, msg_iov);
+CHECK_SIZE_AND_OFFSET(msghdr, msg_iovlen);
+CHECK_SIZE_AND_OFFSET(msghdr, msg_control);
+CHECK_SIZE_AND_OFFSET(msghdr, msg_controllen);
+CHECK_SIZE_AND_OFFSET(msghdr, msg_flags);
+
+CHECK_TYPE_SIZE(cmsghdr);
+CHECK_SIZE_AND_OFFSET(cmsghdr, cmsg_len);
+CHECK_SIZE_AND_OFFSET(cmsghdr, cmsg_level);
+CHECK_SIZE_AND_OFFSET(cmsghdr, cmsg_type);
+
+COMPILER_CHECK(sizeof(__sanitizer_dirent) <= sizeof(dirent));
+CHECK_SIZE_AND_OFFSET(dirent, d_fileno);
+CHECK_SIZE_AND_OFFSET(dirent, d_reclen);
+
+CHECK_TYPE_SIZE(ifconf);
+CHECK_SIZE_AND_OFFSET(ifconf, ifc_len);
+CHECK_SIZE_AND_OFFSET(ifconf, ifc_ifcu);
+
+CHECK_TYPE_SIZE(pollfd);
+CHECK_SIZE_AND_OFFSET(pollfd, fd);
+CHECK_SIZE_AND_OFFSET(pollfd, events);
+CHECK_SIZE_AND_OFFSET(pollfd, revents);
+
+CHECK_TYPE_SIZE(nfds_t);
+
+CHECK_TYPE_SIZE(sigset_t);
+
+COMPILER_CHECK(sizeof(__sanitizer_sigaction) == sizeof(struct sigaction));
+// Can't write checks for sa_handler and sa_sigaction due to them being
+// preprocessor macros.
+CHECK_STRUCT_SIZE_AND_OFFSET(sigaction, sa_mask);
+
+CHECK_TYPE_SIZE(wordexp_t);
+CHECK_SIZE_AND_OFFSET(wordexp_t, we_wordc);
+CHECK_SIZE_AND_OFFSET(wordexp_t, we_wordv);
+CHECK_SIZE_AND_OFFSET(wordexp_t, we_offs);
+
+CHECK_TYPE_SIZE(tm);
+CHECK_SIZE_AND_OFFSET(tm, tm_sec);
+CHECK_SIZE_AND_OFFSET(tm, tm_min);
+CHECK_SIZE_AND_OFFSET(tm, tm_hour);
+CHECK_SIZE_AND_OFFSET(tm, tm_mday);
+CHECK_SIZE_AND_OFFSET(tm, tm_mon);
+CHECK_SIZE_AND_OFFSET(tm, tm_year);
+CHECK_SIZE_AND_OFFSET(tm, tm_wday);
+CHECK_SIZE_AND_OFFSET(tm, tm_yday);
+CHECK_SIZE_AND_OFFSET(tm, tm_isdst);
+CHECK_SIZE_AND_OFFSET(tm, tm_gmtoff);
+CHECK_SIZE_AND_OFFSET(tm, tm_zone);
+
+CHECK_TYPE_SIZE(ether_addr);
+
+CHECK_TYPE_SIZE(ipc_perm);
+CHECK_SIZE_AND_OFFSET(ipc_perm, _key);
+CHECK_SIZE_AND_OFFSET(ipc_perm, _seq);
+CHECK_SIZE_AND_OFFSET(ipc_perm, uid);
+CHECK_SIZE_AND_OFFSET(ipc_perm, gid);
+CHECK_SIZE_AND_OFFSET(ipc_perm, cuid);
+CHECK_SIZE_AND_OFFSET(ipc_perm, cgid);
+CHECK_SIZE_AND_OFFSET(ipc_perm, mode);
+
+CHECK_TYPE_SIZE(shmid_ds);
+CHECK_SIZE_AND_OFFSET(shmid_ds, shm_perm);
+CHECK_SIZE_AND_OFFSET(shmid_ds, shm_segsz);
+CHECK_SIZE_AND_OFFSET(shmid_ds, shm_atime);
+CHECK_SIZE_AND_OFFSET(shmid_ds, shm_dtime);
+CHECK_SIZE_AND_OFFSET(shmid_ds, shm_ctime);
+CHECK_SIZE_AND_OFFSET(shmid_ds, shm_cpid);
+CHECK_SIZE_AND_OFFSET(shmid_ds, shm_lpid);
+CHECK_SIZE_AND_OFFSET(shmid_ds, shm_nattch);
+
+CHECK_TYPE_SIZE(clock_t);
+
+CHECK_TYPE_SIZE(ifaddrs);
+CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_next);
+CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_name);
+CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_addr);
+CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_netmask);
+// Compare against the union, because we can't reach into the union in a
+// compliant way.
+#ifdef ifa_dstaddr
+#undef ifa_dstaddr
+#endif
+CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_dstaddr);
+CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_data);
+
+CHECK_TYPE_SIZE(timeb);
+CHECK_SIZE_AND_OFFSET(timeb, time);
+CHECK_SIZE_AND_OFFSET(timeb, millitm);
+CHECK_SIZE_AND_OFFSET(timeb, timezone);
+CHECK_SIZE_AND_OFFSET(timeb, dstflag);
+
+CHECK_TYPE_SIZE(passwd);
+CHECK_SIZE_AND_OFFSET(passwd, pw_name);
+CHECK_SIZE_AND_OFFSET(passwd, pw_passwd);
+CHECK_SIZE_AND_OFFSET(passwd, pw_uid);
+CHECK_SIZE_AND_OFFSET(passwd, pw_gid);
+CHECK_SIZE_AND_OFFSET(passwd, pw_dir);
+CHECK_SIZE_AND_OFFSET(passwd, pw_shell);
+
+CHECK_SIZE_AND_OFFSET(passwd, pw_gecos);
+
+CHECK_TYPE_SIZE(group);
+CHECK_SIZE_AND_OFFSET(group, gr_name);
+CHECK_SIZE_AND_OFFSET(group, gr_passwd);
+CHECK_SIZE_AND_OFFSET(group, gr_gid);
+CHECK_SIZE_AND_OFFSET(group, gr_mem);
+
+#endif  // SANITIZER_NETBSD