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#!/bin/sh # Copyright 2009 The Go Authors. All rights reserved. # Use of this source code is governed by a BSD-style # license that can be found in the LICENSE file. # Create sysinfo.go. # This shell script creates the sysinfo.go file which holds types and # constants extracted from the system header files. This relies on a # hook in gcc: the -fdump-go-spec option will generate debugging # information in Go syntax. # We currently #include all the files at once, which works, but leads # to exposing some names which ideally should not be exposed, as they # match grep patterns. E.g., WCHAR_MIN gets exposed because it starts # with W, like the wait flags. CC=${CC:-gcc} OUT=tmp-sysinfo.go set -e rm -f sysinfo.c cat > sysinfo.c <<EOF #include "config.h" #include <sys/types.h> #include <dirent.h> #include <errno.h> #include <fcntl.h> #include <netinet/in.h> /* <netinet/tcp.h> needs u_char/u_short, but <sys/bsd_types> is only included by <netinet/in.h> if _SGIAPI (i.e. _SGI_SOURCE && !_XOPEN_SOURCE. <sys/termios.h> only defines TIOCNOTTY if !_XOPEN_SOURCE, while <sys/ttold.h> does so unconditionally. */ #ifdef __sgi__ #include <sys/bsd_types.h> #include <sys/ttold.h> #endif #include <netinet/tcp.h> #include <signal.h> #include <sys/ioctl.h> #include <termios.h> #if defined(HAVE_SYSCALL_H) #include <syscall.h> #endif #if defined(HAVE_SYS_SYSCALL_H) #include <sys/syscall.h> #endif #if defined(HAVE_SYS_EPOLL_H) #include <sys/epoll.h> #endif #if defined(HAVE_SYS_MMAN_H) #include <sys/mman.h> #endif #if defined(HAVE_SYS_PRCTL_H) #include <sys/prctl.h> #endif #if defined(HAVE_SYS_PTRACE_H) #include <sys/ptrace.h> #endif #include <sys/resource.h> #include <sys/uio.h> #include <sys/socket.h> #include <sys/stat.h> #include <sys/time.h> #include <sys/times.h> #include <sys/wait.h> #include <sys/un.h> #if defined(HAVE_SYS_USER_H) #include <sys/user.h> #endif #if defined(HAVE_SYS_UTSNAME_H) #include <sys/utsname.h> #endif #if defined(HAVE_SYS_SELECT_H) #include <sys/select.h> #endif #include <unistd.h> #include <netdb.h> #include <pwd.h> #if defined(HAVE_LINUX_FILTER_H) #include <linux/filter.h> #endif #if defined(HAVE_LINUX_NETLINK_H) #include <linux/netlink.h> #endif #if defined(HAVE_LINUX_RTNETLINK_H) #include <linux/rtnetlink.h> #endif #if defined(HAVE_NET_IF_H) #include <net/if.h> #endif #if defined(HAVE_SYS_MOUNT_H) #include <sys/mount.h> #endif #if defined(HAVE_SYS_VFS_H) #include <sys/vfs.h> #endif #if defined(HAVE_STATFS_H) #include <sys/statfs.h> #endif /* Constants that may only be defined as expressions on some systems, expressions too complex for -fdump-go-spec to handle. These are handled specially below. */ enum { #ifdef TIOCGWINSZ TIOCGWINSZ_val = TIOCGWINSZ, #endif }; EOF ${CC} -fdump-go-spec=gen-sysinfo.go -std=gnu99 -S -o sysinfo.s sysinfo.c echo 'package syscall' > ${OUT} echo 'import "unsafe"' >> ${OUT} echo 'type _ unsafe.Pointer' >> ${OUT} # Get all the consts and types, skipping ones which could not be # represented in Go and ones which we need to rewrite. We also skip # function declarations, as we don't need them here. All the symbols # will all have a leading underscore. grep -v '^// ' gen-sysinfo.go | \ grep -v '^func' | \ grep -v '^type _timeval ' | \ grep -v '^type _timespec_t ' | \ grep -v '^type _timespec ' | \ grep -v '^type _timestruc_t ' | \ grep -v '^type _epoll_' | \ grep -v 'in6_addr' | \ grep -v 'sockaddr_in6' | \ sed -e 's/\([^a-zA-Z0-9_]\)_timeval\([^a-zA-Z0-9_]\)/\1Timeval\2/g' \ -e 's/\([^a-zA-Z0-9_]\)_timespec_t\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \ -e 's/\([^a-zA-Z0-9_]\)_timespec\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \ -e 's/\([^a-zA-Z0-9_]\)_timestruc_t\([^a-zA-Z0-9_]\)/\1Timestruc\2/g' \ >> ${OUT} # The errno constants. These get type Errno. echo '#include <errno.h>' | ${CC} -x c - -E -dM | \ egrep '#define E[A-Z0-9_]+ ' | \ sed -e 's/^#define \(E[A-Z0-9_]*\) .*$/const \1 = Errno(_\1)/' >> ${OUT} # The O_xxx flags. egrep '^const _(O|F|FD)_' gen-sysinfo.go | \ sed -e 's/^\(const \)_\([^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT} if ! grep '^const O_ASYNC' ${OUT} >/dev/null 2>&1; then echo "const O_ASYNC = 0" >> ${OUT} fi if ! grep '^const O_CLOEXEC' ${OUT} >/dev/null 2>&1; then echo "const O_CLOEXEC = 0" >> ${OUT} fi # The signal numbers. grep '^const _SIG[^_]' gen-sysinfo.go | \ grep -v '^const _SIGEV_' | \ sed -e 's/^\(const \)_\(SIG[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT} # The syscall numbers. We force the names to upper case. grep '^const _SYS_' gen-sysinfo.go | \ sed -e 's/const _\(SYS_[^= ]*\).*$/\1/' | \ while read sys; do sup=`echo $sys | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ` echo "const $sup = _$sys" >> ${OUT} done # Stat constants. grep '^const _S_' gen-sysinfo.go | \ sed -e 's/^\(const \)_\(S_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT} # Mmap constants. grep '^const _PROT_' gen-sysinfo.go | \ sed -e 's/^\(const \)_\(PROT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT} grep '^const _MAP_' gen-sysinfo.go | \ sed -e 's/^\(const \)_\(MAP_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT} # Process status constants. grep '^const _W' gen-sysinfo.go | sed -e 's/^\(const \)_\(W[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT} # WSTOPPED was introduced in glibc 2.3.4. if ! grep '^const _WSTOPPED = ' gen-sysinfo.go >/dev/null 2>&1; then if grep '^const _WUNTRACED = ' gen-sysinfo.go > /dev/null 2>&1; then echo 'const WSTOPPED = _WUNTRACED' >> ${OUT} else echo 'const WSTOPPED = 2' >> ${OUT} fi fi if grep '^const ___WALL = ' gen-sysinfo.go >/dev/null 2>&1 \ && ! grep '^const _WALL = ' gen-sysinfo.go >/dev/null 2>&1; then echo 'const WALL = ___WALL' >> ${OUT} fi # Networking constants. egrep '^const _(AF|SOCK|SOL|SO|IPPROTO|TCP|IP|IPV6)_' gen-sysinfo.go | sed -e 's/^\(const \)_\([^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT} grep '^const _SOMAXCONN' gen-sysinfo.go | sed -e 's/^\(const \)_\(SOMAXCONN[^= ]*\)\(.*\)$/\1\2 = _\2/' \ >> ${OUT} grep '^const _SHUT_' gen-sysinfo.go | sed -e 's/^\(const \)_\(SHUT[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT} # The net package requires some const definitions. for m in IP_PKTINFO IPV6_V6ONLY IPPROTO_IPV6 IPV6_JOIN_GROUP IPV6_LEAVE_GROUP IPV6_TCLASS; do if ! grep "^const $m " ${OUT} >/dev/null 2>&1; then echo "const $m = 0" >> ${OUT} fi done # pathconf constants. grep '^const __PC' gen-sysinfo.go | sed -e 's/^\(const \)__\(PC[^= ]*\)\(.*\)$/\1\2 = __\2/' >> ${OUT} # epoll constants. grep '^const _EPOLL' gen-sysinfo.go | sed -e 's/^\(const \)_\(EPOLL[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT} # Make sure EPOLLRDHUP and EPOLL_CLOEXEC are defined. if ! grep '^const EPOLLRDHUP' ${OUT} >/dev/null 2>&1; then echo "const EPOLLRDHUP = 0x2000" >> ${OUT} fi if ! grep '^const EPOLL_CLOEXEC' ${OUT} >/dev/null 2>&1; then echo "const EPOLL_CLOEXEC = 02000000" >> ${OUT} fi # Prctl constants. grep '^const _PR_' gen-sysinfo.go | sed -e 's/^\(const \)_\(PR_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT} # Ptrace constants. grep '^const _PTRACE' gen-sysinfo.go | sed -e 's/^\(const \)_\(PTRACE[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT} # We need some ptrace options that are not defined in older versions # of glibc. if ! grep '^const PTRACE_SETOPTIONS' ${OUT} > /dev/null 2>&1; then echo "const PTRACE_SETOPTIONS = 0x4200" >> ${OUT} fi if ! grep '^const PTRACE_O_TRACESYSGOOD' ${OUT} > /dev/null 2>&1; then echo "const PTRACE_O_TRACESYSGOOD = 0x1" >> ${OUT} fi if ! grep '^const PTRACE_O_TRACEFORK' ${OUT} > /dev/null 2>&1; then echo "const PTRACE_O_TRACEFORK = 0x2" >> ${OUT} fi if ! grep '^const PTRACE_O_TRACEVFORK' ${OUT} > /dev/null 2>&1; then echo "const PTRACE_O_TRACEVFORK = 0x4" >> ${OUT} fi if ! grep '^const PTRACE_O_TRACECLONE' ${OUT} > /dev/null 2>&1; then echo "const PTRACE_O_TRACECLONE = 0x8" >> ${OUT} fi if ! grep '^const PTRACE_O_TRACEEXEC' ${OUT} > /dev/null 2>&1; then echo "const PTRACE_O_TRACEEXEC = 0x10" >> ${OUT} fi if ! grep '^const PTRACE_O_TRACEVFORKDONE' ${OUT} > /dev/null 2>&1; then echo "const PTRACE_O_TRACEVFORKDONE = 0x20" >> ${OUT} fi if ! grep '^const PTRACE_O_TRACEEXIT' ${OUT} > /dev/null 2>&1; then echo "const PTRACE_O_TRACEEXIT = 0x40" >> ${OUT} fi if ! grep '^const PTRACE_O_MASK' ${OUT} > /dev/null 2>&1; then echo "const PTRACE_O_MASK = 0x7f" >> ${OUT} fi if ! grep '^const _PTRACE_GETEVENTMSG' ${OUT} > /dev/null 2>&1; then echo "const PTRACE_GETEVENTMSG = 0x4201" >> ${OUT} fi if ! grep '^const PTRACE_EVENT_FORK' ${OUT} > /dev/null 2>&1; then echo "const PTRACE_EVENT_FORK = 1" >> ${OUT} fi if ! grep '^const PTRACE_EVENT_VFORK' ${OUT} > /dev/null 2>&1; then echo "const PTRACE_EVENT_VFORK = 2" >> ${OUT} fi if ! grep '^const PTRACE_EVENT_CLONE' ${OUT} > /dev/null 2>&1; then echo "const PTRACE_EVENT_CLONE = 3" >> ${OUT} fi if ! grep '^const PTRACE_EVENT_EXEC' ${OUT} > /dev/null 2>&1; then echo "const PTRACE_EVENT_EXEC = 4" >> ${OUT} fi if ! grep '^const PTRACE_EVENT_VFORK_DONE' ${OUT} > /dev/null 2>&1; then echo "const PTRACE_EVENT_VFORK_DONE = 5" >> ${OUT} fi if ! grep '^const PTRACE_EVENT_EXIT' ${OUT} > /dev/null 2>&1; then echo "const PTRACE_EVENT_EXIT = 6" >> ${OUT} fi if ! grep '^const _PTRACE_TRACEME' ${OUT} > /dev/null 2>&1; then echo "const _PTRACE_TRACEME = 0" >> ${OUT} fi # The registers returned by PTRACE_GETREGS. This is probably # GNU/Linux specific; it should do no harm if there is no # _user_regs_struct. regs=`grep '^type _user_regs_struct struct' gen-sysinfo.go || true` if test "$regs" != ""; then regs=`echo $regs | sed -e 's/type _user_regs_struct struct //' -e 's/[{}]//g'` regs=`echo $regs | sed -e s'/^ *//'` nregs= while test -n "$regs"; do field=`echo $regs | sed -e 's/^\([^;]*\);.*$/\1/'` regs=`echo $regs | sed -e 's/^[^;]*; *\(.*\)$/\1/'` # Capitalize the first character of the field. f=`echo $field | sed -e 's/^\(.\).*$/\1/'` r=`echo $field | sed -e 's/^.\(.*\)$/\1/'` f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ` field="$f$r" nregs="$nregs $field;" done echo "type PtraceRegs struct {$nregs }" >> ${OUT} fi # Some basic types. echo 'type Size_t _size_t' >> ${OUT} echo "type Ssize_t _ssize_t" >> ${OUT} if grep '^const _HAVE_OFF64_T = ' gen-sysinfo.go > /dev/null 2>&1; then echo "type Offset_t _off64_t" >> ${OUT} else echo "type Offset_t _off_t" >> ${OUT} fi echo "type Mode_t _mode_t" >> ${OUT} echo "type Pid_t _pid_t" >> ${OUT} echo "type Uid_t _uid_t" >> ${OUT} echo "type Gid_t _gid_t" >> ${OUT} echo "type Socklen_t _socklen_t" >> ${OUT} # The long type, needed because that is the type that ptrace returns. sizeof_long=`grep '^const ___SIZEOF_LONG__ = ' gen-sysinfo.go | sed -e 's/.*= //'` if test "$sizeof_long" = "4"; then echo "type _C_long int32" >> ${OUT} elif test "$sizeof_long" = "8"; then echo "type _C_long int64" >> ${OUT} else echo 1>&2 "mksysinfo.sh: could not determine size of long (got $sizeof_long)" exit 1 fi # Solaris 2 needs _u?pad128_t, but its default definition in terms of long # double is commented by -fdump-go-spec. if grep "^// type _pad128_t" gen-sysinfo.go > /dev/null 2>&1; then echo "type _pad128_t struct { _l [4]int32; }" >> ${OUT} fi if grep "^// type _upad128_t" gen-sysinfo.go > /dev/null 2>&1; then echo "type _upad128_t struct { _l [4]uint32; }" >> ${OUT} fi # The time structures need special handling: we need to name the # types, so that we can cast integers to the right types when # assigning to the structures. timeval=`grep '^type _timeval ' gen-sysinfo.go` timeval_sec=`echo $timeval | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'` timeval_usec=`echo $timeval | sed -n -e 's/^.*tv_usec \([^ ]*\);.*$/\1/p'` echo "type Timeval_sec_t $timeval_sec" >> ${OUT} echo "type Timeval_usec_t $timeval_usec" >> ${OUT} echo $timeval | \ sed -e 's/type _timeval /type Timeval /' \ -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timeval_sec_t/' \ -e 's/tv_usec *[a-zA-Z0-9_]*/Usec Timeval_usec_t/' >> ${OUT} timespec=`grep '^type _timespec ' gen-sysinfo.go || true` if test "$timespec" = ""; then # IRIX 6.5 has __timespec instead. timespec=`grep '^type ___timespec ' gen-sysinfo.go || true` fi timespec_sec=`echo $timespec | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'` timespec_nsec=`echo $timespec | sed -n -e 's/^.*tv_nsec \([^ ]*\);.*$/\1/p'` echo "type Timespec_sec_t $timespec_sec" >> ${OUT} echo "type Timespec_nsec_t $timespec_nsec" >> ${OUT} echo $timespec | \ sed -e 's/^type ___timespec /type Timespec /' \ -e 's/^type _timespec /type Timespec /' \ -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timespec_sec_t/' \ -e 's/tv_nsec *[a-zA-Z0-9_]*/Nsec Timespec_nsec_t/' >> ${OUT} timestruc=`grep '^type _timestruc_t ' gen-sysinfo.go || true` if test "$timestruc" != ""; then timestruc_sec=`echo $timestruc | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'` timestruc_nsec=`echo $timestruc | sed -n -e 's/^.*tv_nsec \([^ ]*\);.*$/\1/p'` echo "type Timestruc_sec_t $timestruc_sec" >> ${OUT} echo "type Timestruc_nsec_t $timestruc_nsec" >> ${OUT} echo $timestruc | \ sed -e 's/^type _timestruc_t /type Timestruc /' \ -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timestruc_sec_t/' \ -e 's/tv_nsec *[a-zA-Z0-9_]*/Nsec Timestruc_nsec_t/' >> ${OUT} fi # The tms struct. grep '^type _tms ' gen-sysinfo.go | \ sed -e 's/type _tms/type Tms/' \ -e 's/tms_utime/Utime/' \ -e 's/tms_stime/Stime/' \ -e 's/tms_cutime/Cutime/' \ -e 's/tms_cstime/Cstime/' \ >> ${OUT} # The stat type. # Prefer largefile variant if available. stat=`grep '^type _stat64 ' gen-sysinfo.go || true` if test "$stat" != ""; then grep '^type _stat64 ' gen-sysinfo.go else grep '^type _stat ' gen-sysinfo.go fi | sed -e 's/type _stat64/type Stat_t/' \ -e 's/type _stat/type Stat_t/' \ -e 's/st_dev/Dev/' \ -e 's/st_ino/Ino/g' \ -e 's/st_nlink/Nlink/' \ -e 's/st_mode/Mode/' \ -e 's/st_uid/Uid/' \ -e 's/st_gid/Gid/' \ -e 's/st_rdev/Rdev/' \ -e 's/st_size/Size/' \ -e 's/st_blksize/Blksize/' \ -e 's/st_blocks/Blocks/' \ -e 's/st_atim/Atime/' \ -e 's/st_mtim/Mtime/' \ -e 's/st_ctim/Ctime/' \ -e 's/\([^a-zA-Z0-9_]\)_timeval\([^a-zA-Z0-9_]\)/\1Timeval\2/g' \ -e 's/\([^a-zA-Z0-9_]\)_timespec_t\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \ -e 's/\([^a-zA-Z0-9_]\)_timespec\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \ -e 's/\([^a-zA-Z0-9_]\)_timestruc_t\([^a-zA-Z0-9_]\)/\1Timestruc\2/g' \ -e 's/Godump_[0-9] struct { \([^;]*;\) };/\1/g' \ >> ${OUT} # The directory searching types. # Prefer largefile variant if available. dirent=`grep '^type _dirent64 ' gen-sysinfo.go || true` if test "$dirent" != ""; then grep '^type _dirent64 ' gen-sysinfo.go else grep '^type _dirent ' gen-sysinfo.go fi | sed -e 's/type _dirent64/type Dirent/' \ -e 's/type _dirent/type Dirent/' \ -e 's/d_name \[0+1\]/d_name [0+256]/' \ -e 's/d_name/Name/' \ -e 's/]int8/]byte/' \ -e 's/d_ino/Ino/' \ -e 's/d_off/Off/' \ -e 's/d_reclen/Reclen/' \ -e 's/d_type/Type/' \ >> ${OUT} echo "type DIR _DIR" >> ${OUT} # The rusage struct. rusage=`grep '^type _rusage struct' gen-sysinfo.go` if test "$rusage" != ""; then rusage=`echo $rusage | sed -e 's/type _rusage struct //' -e 's/[{}]//g'` rusage=`echo $rusage | sed -e 's/^ *//'` nrusage= while test -n "$rusage"; do field=`echo $rusage | sed -e 's/^\([^;]*\);.*$/\1/'` rusage=`echo $rusage | sed -e 's/^[^;]*; *\(.*\)$/\1/'` # Drop the leading ru_, capitalize the next character. field=`echo $field | sed -e 's/^ru_//'` f=`echo $field | sed -e 's/^\(.\).*$/\1/'` r=`echo $field | sed -e 's/^.\(.*\)$/\1/'` f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ` # Fix _timeval _timespec, and _timestruc_t. r=`echo $r | sed -e s'/ _timeval$/ Timeval/'` r=`echo $r | sed -e s'/ _timespec$/ Timespec/'` r=`echo $r | sed -e s'/ _timestruc_t$/ Timestruc/'` field="$f$r" nrusage="$nrusage $field;" done echo "type Rusage struct {$nrusage }" >> ${OUT} else echo "type Rusage struct {}" >> ${OUT} fi # The RUSAGE constants. grep '^const _RUSAGE_' gen-sysinfo.go | \ sed -e 's/^\(const \)_\(RUSAGE_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT} # The utsname struct. grep '^type _utsname ' gen-sysinfo.go | \ sed -e 's/_utsname/Utsname/' \ -e 's/sysname/Sysname/' \ -e 's/nodename/Nodename/' \ -e 's/release/Release/' \ -e 's/version/Version/' \ -e 's/machine/Machine/' \ -e 's/domainname/Domainname/' \ >> ${OUT} # The iovec struct. iovec=`grep '^type _iovec ' gen-sysinfo.go` iovec_len=`echo $iovec | sed -n -e 's/^.*iov_len \([^ ]*\);.*$/\1/p'` echo "type Iovec_len_t $iovec_len" >> ${OUT} echo $iovec | \ sed -e 's/_iovec/Iovec/' \ -e 's/iov_base/Base/' \ -e 's/iov_len *[a-zA-Z0-9_]*/Len Iovec_len_t/' \ >> ${OUT} # The msghdr struct. msghdr=`grep '^type _msghdr ' gen-sysinfo.go` msghdr_controllen=`echo $msghdr | sed -n -e 's/^.*msg_controllen \([^ ]*\);.*$/\1/p'` echo "type Msghdr_controllen_t $msghdr_controllen" >> ${OUT} echo $msghdr | \ sed -e 's/_msghdr/Msghdr/' \ -e 's/msg_name/Name/' \ -e 's/msg_namelen/Namelen/' \ -e 's/msg_iov/Iov/' \ -e 's/msg_iovlen/Iovlen/' \ -e 's/_iovec/Iovec/' \ -e 's/msg_control/Control/' \ -e 's/msg_controllen *[a-zA-Z0-9_]*/Controllen Msghdr_controllen_t/' \ -e 's/msg_flags/Flags/' \ >> ${OUT} # The MSG_ flags for Msghdr. grep '^const _MSG_' gen-sysinfo.go | \ sed -e 's/^\(const \)_\(MSG_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT} # The cmsghdr struct. cmsghdr=`grep '^type _cmsghdr ' gen-sysinfo.go` if test -n "$cmsghdr"; then cmsghdr_len=`echo $cmsghdr | sed -n -e 's/^.*cmsg_len \([^ ]*\);.*$/\1/p'` echo "type Cmsghdr_len_t $cmsghdr_len" >> ${OUT} echo "$cmsghdr" | \ sed -e 's/_cmsghdr/Cmsghdr/' \ -e 's/cmsg_len *[a-zA-Z0-9_]*/Len Cmsghdr_len_t/' \ -e 's/cmsg_level/Level/' \ -e 's/cmsg_type/Type/' \ -e 's/\[\]/[0]/' \ >> ${OUT} # The size of the cmsghdr struct. echo 'var SizeofCmsghdr = int(unsafe.Sizeof(Cmsghdr{}))' >> ${OUT} fi # The SCM_ flags for Cmsghdr. grep '^const _SCM_' gen-sysinfo.go | \ sed -e 's/^\(const \)_\(SCM_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT} # The ucred struct. grep '^type _ucred ' gen-sysinfo.go | \ sed -e 's/_ucred/Ucred/' \ -e 's/pid/Pid/' \ -e 's/uid/Uid/' \ -e 's/gid/Gid/' \ >> ${OUT} # The size of the ucred struct. if grep 'type Ucred ' ${OUT} >/dev/null 2>&1; then echo 'var SizeofUcred = int(unsafe.Sizeof(Ucred{}))' >> ${OUT} fi # The ip_mreq struct. grep '^type _ip_mreq ' gen-sysinfo.go | \ sed -e 's/_ip_mreq/IPMreq/' \ -e 's/imr_multiaddr/Multiaddr/' \ -e 's/imr_interface/Interface/' \ -e 's/_in_addr/[4]byte/g' \ >> ${OUT} # We need IPMreq to compile the net package. if ! grep 'type IPMreq ' ${OUT} >/dev/null 2>&1; then echo 'type IPMreq struct { Multiaddr [4]byte; Interface [4]byte; }' >> ${OUT} fi # The size of the ip_mreq struct. echo 'var SizeofIPMreq = int(unsafe.Sizeof(IPMreq{}))' >> ${OUT} # The ipv6_mreq struct. grep '^type _ipv6_mreq ' gen-sysinfo.go | \ sed -e 's/_ipv6_mreq/IPv6Mreq/' \ -e 's/ipv6mr_multiaddr/Multiaddr/' \ -e 's/ipv6mr_interface/Interface/' \ -e 's/_in6_addr/[16]byte/' \ >> ${OUT} # We need IPv6Mreq to compile the net package. if ! grep 'type IPv6Mreq ' ${OUT} >/dev/null 2>&1; then echo 'type IPv6Mreq struct { Multiaddr [16]byte; Interface uint32; }' >> ${OUT} fi # The size of the ipv6_mreq struct. echo 'var SizeofIPv6Mreq = int(unsafe.Sizeof(IPv6Mreq{}))' >> ${OUT} # The ip_mreqn struct. grep '^type _ip_mreqn ' gen-sysinfo.go | \ sed -e 's/_ip_mreqn/IPMreqn/' \ -e 's/imr_multiaddr/Multiaddr/' \ -e 's/imr_address/Address/' \ -e 's/imr_ifindex/Ifindex/' \ -e 's/_in_addr/[4]byte/g' \ >> ${OUT} # We need IPMreq to compile the net package. if ! grep 'type IPMreqn ' ${OUT} >/dev/null 2>&1; then echo 'type IPMreqn struct { Multiaddr [4]byte; Interface [4]byte; Ifindex int32 }' >> ${OUT} fi # The size of the ip_mreqn struct. echo 'var SizeofIPMreqn = int(unsafe.Sizeof(IPMreqn{}))' >> ${OUT} # Try to guess the type to use for fd_set. fd_set=`grep '^type _fd_set ' gen-sysinfo.go || true` fds_bits_type="_C_long" if test "$fd_set" != ""; then fds_bits_type=`echo $fd_set | sed -e 's/.*[]]\([^;]*\); }$/\1/'` fi echo "type fds_bits_type $fds_bits_type" >> ${OUT} # The addrinfo struct. grep '^type _addrinfo ' gen-sysinfo.go | \ sed -e 's/_addrinfo/Addrinfo/g' \ -e 's/ ai_/ Ai_/g' \ >> ${OUT} # The addrinfo flags and errors. grep '^const _AI_' gen-sysinfo.go | \ sed -e 's/^\(const \)_\(AI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT} grep '^const _EAI_' gen-sysinfo.go | \ sed -e 's/^\(const \)_\(EAI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT} # The passwd struct. grep '^type _passwd ' gen-sysinfo.go | \ sed -e 's/_passwd/Passwd/' \ -e 's/ pw_/ Pw_/g' \ >> ${OUT} # The ioctl flags for the controlling TTY. grep '^const _TIOC' gen-sysinfo.go | \ grep -v '_val =' | \ sed -e 's/^\(const \)_\(TIOC[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT} # We need TIOCGWINSZ. if ! grep '^const TIOCGWINSZ' ${OUT} >/dev/null 2>&1; then if grep '^const _TIOCGWINSZ_val' ${OUT} >/dev/null 2>&1; then echo 'const TIOCGWINSZ = _TIOCGWINSZ_val' >> ${OUT} fi fi # The ioctl flags for terminal control grep '^const _TC[GS]ET' gen-sysinfo.go | \ sed -e 's/^\(const \)_\(TC[GS]ET[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT} # ioctl constants. Might fall back to 0 if TIOCNXCL is missing, too, but # needs handling in syscalls.exec.go. if ! grep '^const _TIOCSCTTY ' gen-sysinfo.go >/dev/null 2>&1; then if grep '^const _TIOCNXCL ' gen-sysinfo.go >/dev/null 2>&1; then echo "const TIOCSCTTY = TIOCNXCL" >> ${OUT} fi fi # The nlmsghdr struct. grep '^type _nlmsghdr ' gen-sysinfo.go | \ sed -e 's/_nlmsghdr/NlMsghdr/' \ -e 's/nlmsg_len/Len/' \ -e 's/nlmsg_type/Type/' \ -e 's/nlmsg_flags/Flags/' \ -e 's/nlmsg_seq/Seq/' \ -e 's/nlmsg_pid/Pid/' \ >> ${OUT} # The nlmsg flags and operators. grep '^const _NLM' gen-sysinfo.go | \ sed -e 's/^\(const \)_\(NLM[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT} # NLMSG_HDRLEN is defined as an expression using sizeof. if ! grep '^const NLMSG_HDRLEN' ${OUT} > /dev/null 2>&1; then if grep '^type NlMsghdr ' ${OUT} > /dev/null 2>&1; then echo 'var NLMSG_HDRLEN = int((unsafe.Sizeof(NlMsghdr{}) + (NLMSG_ALIGNTO-1)) &^ (NLMSG_ALIGNTO-1))' >> ${OUT} fi fi # The rtmsg struct. grep '^type _rtmsg ' gen-sysinfo.go | \ sed -e 's/_rtmsg/RtMsg/' \ -e 's/rtm_family/Family/' \ -e 's/rtm_dst_len/Dst_len/' \ -e 's/rtm_src_len/Src_len/' \ -e 's/rtm_tos/Tos/' \ -e 's/rtm_table/Table/' \ -e 's/rtm_protocol/Procotol/' \ -e 's/rtm_scope/Scope/' \ -e 's/rtm_type/Type/' \ -e 's/rtm_flags/Flags/' \ >> ${OUT} # The size of the rtmsg struct. if grep 'type RtMsg ' ${OUT} > /dev/null 2>&1; then echo 'var SizeofRtMsg = int(unsafe.Sizeof(RtMsg{}))' >> ${OUT} fi # The rtgenmsg struct. grep '^type _rtgenmsg ' gen-sysinfo.go | \ sed -e 's/_rtgenmsg/RtGenmsg/' \ -e 's/rtgen_family/Family/' \ >> ${OUT} # The routing message flags. grep '^const _RTA' gen-sysinfo.go | \ sed -e 's/^\(const \)_\(RTA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT} grep '^const _RTM' gen-sysinfo.go | \ sed -e 's/^\(const \)_\(RTM[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT} # The size of the rtgenmsg struct. if grep 'type RtGenmsg ' ${OUT} > /dev/null 2>&1; then echo 'var SizeofRtGenmsg = int(unsafe.Sizeof(RtGenmsg{}))' >> ${OUT} fi # The ifinfomsg struct. grep '^type _ifinfomsg ' gen-sysinfo.go | \ sed -e 's/_ifinfomsg/IfInfomsg/' \ -e 's/ifi_family/Family/' \ -e 's/ifi_type/Type/' \ -e 's/ifi_index/Index/' \ -e 's/ifi_flags/Flags/' \ -e 's/ifi_change/Change/' \ >> ${OUT} # The interface information types and flags. grep '^const _IFA' gen-sysinfo.go | \ sed -e 's/^\(const \)_\(IFA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT} grep '^const _IFLA' gen-sysinfo.go | \ sed -e 's/^\(const \)_\(IFLA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT} grep '^const _IFF' gen-sysinfo.go | \ sed -e 's/^\(const \)_\(IFF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT} # The size of the ifinfomsg struct. if grep 'type IfInfomsg ' ${OUT} > /dev/null 2>&1; then echo 'var SizeofIfInfomsg = int(unsafe.Sizeof(IfInfomsg{}))' >> ${OUT} fi # The ifaddrmsg struct. grep '^type _ifaddrmsg ' gen-sysinfo.go | \ sed -e 's/_ifaddrmsg/IfAddrmsg/' \ -e 's/ifa_family/Family/' \ -e 's/ifa_prefixlen/Prefixlen/' \ -e 's/ifa_flags/Flags/' \ -e 's/ifa_scope/Scope/' \ -e 's/ifa_index/Index/' \ >> ${OUT} # The size of the ifaddrmsg struct. if grep 'type IfAddrmsg ' ${OUT} > /dev/null 2>&1; then echo 'var SizeofIfAddrmsg = int(unsafe.Sizeof(IfAddrmsg{}))' >> ${OUT} fi # The rtattr struct. grep '^type _rtattr ' gen-sysinfo.go | \ sed -e 's/_rtattr/RtAttr/' \ -e 's/rta_len/Len/' \ -e 's/rta_type/Type/' \ >> ${OUT} # The size of the rtattr struct. if grep 'type RtAttr ' ${OUT} > /dev/null 2>&1; then echo 'var SizeofRtAttr = int(unsafe.Sizeof(RtAttr{}))' >> ${OUT} fi # The termios struct. grep '^type _termios ' gen-sysinfo.go | \ sed -e 's/_termios/Termios/' \ -e 's/c_iflag/Iflag/' \ -e 's/c_oflag/Oflag/' \ -e 's/c_cflag/Cflag/' \ -e 's/c_lflag/Lflag/' \ -e 's/c_line/Line/' \ -e 's/c_cc/Cc/' \ -e 's/c_ispeed/Ispeed/' \ -e 's/c_ospeed/Ospeed/' \ >> ${OUT} # The termios constants. for n in IGNBRK BRKINT IGNPAR PARMRK INPCK ISTRIP INLCR IGNCR ICRNL IUCLC \ IXON IXANY IXOFF IMAXBEL IUTF8 OPOST OLCUC ONLCR OCRNL ONOCR ONLRET \ OFILL OFDEL NLDLY NL0 NL1 CRDLY CR0 CR1 CR2 CR3 TABDLY BSDLY VTDLY \ FFDLY CBAUD CBAUDEX CSIZE CSTOPB CREAD PARENB PARODD HUPCL CLOCAL \ LOBLK CIBAUD CMSPAR CRTSCTS ISIG ICANON XCASE ECHO ECHOE ECHOK ECHONL \ ECHOCTL ECHOPRT ECHOKE DEFECHO FLUSHO NOFLSH TOSTOP PENDIN IEXTEN VINTR \ VQUIT VERASE VKILL VEOF VMIN VEOL VTIME VEOL2 VSWTCH VSTART VSTOP VSUSP \ VDSUSP VLNEXT VWERASE VREPRINT VDISCARD VSTATUS TCSANOW TCSADRAIN \ TCSAFLUSH TCIFLUSH TCOFLUSH TCIOFLUSH TCOOFF TCOON TCIOFF TCION B0 B50 \ B75 B110 B134 B150 B200 B300 B600 B1200 B1800 B2400 B4800 B9600 B19200 \ B38400 B57600 B115200 B230400; do grep "^const _$n " gen-sysinfo.go | \ sed -e 's/^\(const \)_\([^=]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT} done # The mount flags grep '^const _MS_' gen-sysinfo.go | sed -e 's/^\(const \)_\(MS_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT} # The fallocate flags. grep '^const _FALLOC_' gen-sysinfo.go | sed -e 's/^\(const \)_\(FALLOC_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT} # The statfs struct. # Prefer largefile variant if available. statfs=`grep '^type _statfs64 ' gen-sysinfo.go || true` if test "$statfs" != ""; then grep '^type _statfs64 ' gen-sysinfo.go else grep '^type _statfs ' gen-sysinfo.go fi | sed -e 's/type _statfs64/type Statfs_t/' \ -e 's/type _statfs/type Statfs_t/' \ -e 's/f_type/Type/' \ -e 's/f_bsize/Bsize/' \ -e 's/f_blocks/Blocks/' \ -e 's/f_bfree/Bfree/' \ -e 's/f_bavail/Bavail/' \ -e 's/f_files/Files/' \ -e 's/f_ffree/Ffree/' \ -e 's/f_fsid/Fsid/' \ -e 's/f_namelen/Namelen/' \ -e 's/f_frsize/Frsize/' \ -e 's/f_flags/Flags/' \ -e 's/f_spare/Spare/' \ >> ${OUT} exit $?
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