mksysinfo: Define SIGPOLL and SIGCLD if necessary.

[pf3gnuchains/gcc-fork.git] / libgo / mksysinfo.sh

diff --git a/libgo/mksysinfo.sh b/libgo/mksysinfo.sh
index ed57ee1..12e0310 100755 (executable)
--- a/libgo/mksysinfo.sh
+++ b/libgo/mksysinfo.sh
@@ -151,6 +151,9 @@ cat > sysinfo.c <<EOF
 #if defined(HAVE_LINUX_ETHER_H)
 #include <linux/ether.h>
 #endif
+#if defined(HAVE_LINUX_FS_H)
+#include <linux/fs.h>
+#endif
 #if defined(HAVE_LINUX_REBOOT_H)
 #include <linux/reboot.h>
 #endif
@@ -208,10 +211,30 @@ if ! grep '^const O_CLOEXEC' ${OUT} >/dev/null 2>&1; then
   echo "const O_CLOEXEC = 0" >> ${OUT}
 fi
 
+# These flags can be lost on i386 GNU/Linux when using
+# -D_FILE_OFFSET_BITS=64, because we see "#define F_SETLK F_SETLK64"
+# before we see the definition of F_SETLK64.
+for flag in F_GETLK F_SETLK F_SETLKW; do
+  if ! grep "^const ${flag} " ${OUT} >/dev/null 2>&1 \
+      && grep "^const ${flag}64 " ${OUT} >/dev/null 2>&1; then
+    echo "const ${flag} = ${flag}64" >> ${OUT}
+  fi
+done
+
 # The signal numbers.
 grep '^const _SIG[^_]' gen-sysinfo.go | \
   grep -v '^const _SIGEV_' | \
   sed -e 's/^\(const \)_\(SIG[^= ]*\)\(.*\)$/\1\2 = Signal(_\2)/' >> ${OUT}
+if ! grep '^const SIGPOLL ' ${OUT} >/dev/null 2>&1; then
+  if grep '^const SIGIO ' ${OUT} > /dev/null 2>&1; then
+    echo "const SIGPOLL = SIGIO" >> ${OUT}
+  fi
+fi
+if ! grep '^const SIGCLD ' ${OUT} >/dev/null 2>&1; then
+  if grep '^const SIGCHLD ' ${OUT} >/dev/null 2>&1; then
+    echo "const SIGCLD = SIGCHLD" >> ${OUT}
+  fi
+fi
 
 # The syscall numbers.  We force the names to upper case.
 grep '^const _SYS_' gen-sysinfo.go | \
@@ -221,6 +244,14 @@ grep '^const _SYS_' gen-sysinfo.go | \
     echo "const $sup = _$sys" >> ${OUT}
   done
 
+# The GNU/Linux support wants to use SYS_GETDENTS64 if available.
+if ! grep '^const SYS_GETDENTS ' ${OUT} >/dev/null 2>&1; then
+  echo "const SYS_GETDENTS = 0" >> ${OUT}
+fi
+if ! grep '^const SYS_GETDENTS64 ' ${OUT} >/dev/null 2>&1; then
+  echo "const SYS_GETDENTS64 = 0" >> ${OUT}
+fi
+
 # Stat constants.
 grep '^const _S_' gen-sysinfo.go | \
   sed -e 's/^\(const \)_\(S_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
@@ -261,7 +292,7 @@ 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
+for m in IP_PKTINFO IPV6_V6ONLY IPPROTO_IPV6 IPV6_JOIN_GROUP IPV6_LEAVE_GROUP IPV6_TCLASS SO_REUSEPORT; do
   if ! grep "^const $m " ${OUT} >/dev/null 2>&1; then
     echo "const $m = 0" >> ${OUT}
   fi
@@ -271,6 +302,11 @@ done
 grep '^const __PC' gen-sysinfo.go |
   sed -e 's/^\(const \)__\(PC[^= ]*\)\(.*\)$/\1\2 = __\2/' >> ${OUT}
 
+# The PATH_MAX constant.
+if grep '^const _PATH_MAX ' gen-sysinfo.go >/dev/null 2>&1; then
+  echo 'const PathMax = _PATH_MAX' >> ${OUT}
+fi
+
 # epoll constants.
 grep '^const _EPOLL' gen-sysinfo.go |
   sed -e 's/^\(const \)_\(EPOLL[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
@@ -470,9 +506,9 @@ fi | sed -e 's/type _stat64/type Stat_t/' \
          -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/st_atim/Atim/' \
+         -e 's/st_mtim/Mtim/' \
+         -e 's/st_ctim/Ctim/' \
          -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' \
@@ -506,6 +542,8 @@ grep '^const _DT_' gen-sysinfo.go |
 # The rusage struct.
 rusage=`grep '^type _rusage struct' gen-sysinfo.go`
 if test "$rusage" != ""; then
+  # Remove anonymous unions from GNU/Linux <bits/resource.h>.
+  rusage=`echo $rusage | sed -e 's/Godump_[0-9]* struct {\([^}]*\)};/\1/g'`
   rusage=`echo $rusage | sed -e 's/type _rusage struct //' -e 's/[{}]//g'`
   rusage=`echo $rusage | sed -e 's/^ *//'`
   nrusage=
@@ -791,6 +829,7 @@ grep '^type _in_pktinfo ' gen-sysinfo.go | \
       -e 's/ipi_ifindex/Ifindex/' \
       -e 's/ipi_spec_dst/Spec_dst/' \
       -e 's/ipi_addr/Addr/' \
+      -e 's/_in_addr/[4]byte/g' \
     >> ${OUT}
 
 # The in6_pktinfo struct.
@@ -826,7 +865,7 @@ for n in IGNBRK BRKINT IGNPAR PARMRK INPCK ISTRIP INLCR IGNCR ICRNL IUCLC \
     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 B460800 B500000 B576000 B921600 B1000000 \
-    B1152000 B1500000 B2000000 B2500000 B3000000 B4000000; do
+    B1152000 B1500000 B2000000 B2500000 B3000000 B3500000 B4000000; do
 
     grep "^const _$n " gen-sysinfo.go | \
        sed -e 's/^\(const \)_\([^=]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
@@ -910,6 +949,8 @@ grep '^type _rlimit ' gen-sysinfo.go | \
 # The RLIMIT constants.
 grep '^const _RLIMIT_' gen-sysinfo.go |
     sed -e 's/^\(const \)_\(RLIMIT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
+grep '^const _RLIM_' gen-sysinfo.go |
+    sed -e 's/^\(const \)_\(RLIM_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 
 # The sysinfo struct.
 grep '^type _sysinfo ' gen-sysinfo.go | \
@@ -990,6 +1031,7 @@ grep '^type _nlmsgerr ' gen-sysinfo.go | \
     sed -e 's/_nlmsgerr/NlMsgerr/' \
       -e 's/error/Error/' \
       -e 's/msg/Msg/' \
+      -e 's/_nlmsghdr/NlMsghdr/' \
     >> ${OUT}
 
 # The GNU/Linux rtnexthop struct.
@@ -1004,6 +1046,8 @@ grep '^type _rtnexthop ' gen-sysinfo.go | \
 # The GNU/Linux netlink flags.
 grep '^const _NETLINK_' gen-sysinfo.go | \
   sed -e 's/^\(const \)_\(NETLINK_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
+grep '^const _NLA_' gen-sysinfo.go | \
+  sed -e 's/^\(const \)_\(NLA_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 
 # The GNU/Linux packet socket flags.
 grep '^const _PACKET_' gen-sysinfo.go | \
@@ -1018,6 +1062,7 @@ grep '^type _inotify_event ' gen-sysinfo.go | \
       -e 's/len/Len/' \
       -e 's/name/Name/' \
       -e 's/\[\]/[0]/' \
+      -e 's/\[0\]byte/[0]int8/' \
     >> ${OUT}
 
 # The Solaris 11 Update 1 _zone_net_addr_t struct.
@@ -1028,7 +1073,7 @@ grep '^type _zone_net_addr_t ' gen-sysinfo.go | \
 # Struct sizes.
 set cmsghdr Cmsghdr ip_mreq IPMreq ip_mreqn IPMreqn ipv6_mreq IPv6Mreq \
     ifaddrmsg IfAddrmsg ifinfomsg IfInfomsg in_pktinfo Inet4Pktinfo \
-    in6_pktinfo Inet6PktInfo inotify_event InotifyEvent linger Linger \
+    in6_pktinfo Inet6Pktinfo inotify_event InotifyEvent linger Linger \
     msghdr Msghdr nlattr NlAttr nlmsgerr NlMsgerr nlmsghdr NlMsghdr \
     rtattr RtAttr rtgenmsg RtGenmsg rtmsg RtMsg rtnexthop RtNexthop \
     sock_filter SockFilter sock_fprog SockFprog ucred Ucred