libgo/mkrsysinfo.sh

   1 #!/bin/sh
   2
   3 # Copyright 2016 The Go Authors. All rights reserved.
   4 # Use of this source code is governed by a BSD-style
   5 # license that can be found in the LICENSE file.
   6
   7 # Create runtime_sysinfo.go from gen-sysinfo.go and errno.i.
   8
   9 OUT=tmp-runtime_sysinfo.go
  10
  11 set -e
  12
  13 echo 'package runtime' > ${OUT}
  14
  15 # Get all the consts and types, skipping ones which could not be
  16 # represented in Go and ones which we need to rewrite.  We also skip
  17 # function declarations, as we don't need them here.  All the symbols
  18 # will all have a leading underscore.
  19 grep -v '^// ' gen-sysinfo.go | \
  20   grep -v '^func' | \
  21   grep -v '^type _timeval ' | \
  22   grep -v '^type _timespec_t ' | \
  23   grep -v '^type _timespec ' | \
  24   grep -v '^type _epoll_' | \
  25   grep -v 'in6_addr' | \
  26   grep -v 'sockaddr_in6' | \
  27   sed -e 's/\([^a-zA-Z0-9_]\)_timeval\([^a-zA-Z0-9_]\)/\1timeval\2/g' \
  28       -e 's/\([^a-zA-Z0-9_]\)_timespec_t\([^a-zA-Z0-9_]\)/\1timespec\2/g' \
  29       -e 's/\([^a-zA-Z0-9_]\)_timespec\([^a-zA-Z0-9_]\)/\1timespec\2/g' \
  30     >> ${OUT}
  31
  32 # The time structures need special handling: we need to name the
  33 # types, so that we can cast integers to the right types when
  34 # assigning to the structures.
  35 timeval=`grep '^type _timeval ' gen-sysinfo.go`
  36 timeval_sec=`echo $timeval | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
  37 timeval_usec=`echo $timeval | sed -n -e 's/^.*tv_usec \([^ ]*\);.*$/\1/p'`
  38 echo "type timeval_sec_t $timeval_sec" >> ${OUT}
  39 echo "type timeval_usec_t $timeval_usec" >> ${OUT}
  40 echo $timeval | \
  41   sed -e 's/type _timeval /type timeval /' \
  42       -e 's/tv_sec *[a-zA-Z0-9_]*/tv_sec timeval_sec_t/' \
  43       -e 's/tv_usec *[a-zA-Z0-9_]*/tv_usec timeval_usec_t/' >> ${OUT}
  44 timespec=`grep '^type _timespec ' gen-sysinfo.go || true`
  45 if test "$timespec" = ""; then
  46   # IRIX 6.5 has __timespec instead.
  47   timespec=`grep '^type ___timespec ' gen-sysinfo.go || true`
  48 fi
  49 timespec_sec=`echo $timespec | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
  50 timespec_nsec=`echo $timespec | sed -n -e 's/^.*tv_nsec \([^ ]*\);.*$/\1/p'`
  51 echo "type timespec_sec_t $timespec_sec" >> ${OUT}
  52 echo "type timespec_nsec_t $timespec_nsec" >> ${OUT}
  53 echo $timespec | \
  54   sed -e 's/^type ___timespec /type timespec /' \
  55       -e 's/^type _timespec /type timespec /' \
  56       -e 's/tv_sec *[a-zA-Z0-9_]*/tv_sec timespec_sec_t/' \
  57       -e 's/tv_nsec *[a-zA-Z0-9_]*/tv_nsec timespec_nsec_t/' >> ${OUT}
  58 echo >> ${OUT}
  59 echo "func (ts *timespec) set_sec(x int64) {" >> ${OUT}
  60 echo "  ts.tv_sec = timespec_sec_t(x)" >> ${OUT}
  61 echo "}" >> ${OUT}
  62 echo >> ${OUT}
  63 echo "func (ts *timespec) set_nsec(x int32) {" >> ${OUT}
  64 echo "  ts.tv_nsec = timespec_nsec_t(x)" >> ${OUT}
  65 echo "}" >> ${OUT}
  66
  67 # The semt structure, for Solaris.
  68 grep '^type _sem_t ' gen-sysinfo.go | \
  69     sed -e 's/_sem_t/semt/' >> ${OUT}
  70
  71 # Solaris 2 needs _u?pad128_t, but its default definition in terms of long
  72 # double is commented by -fdump-go-spec.
  73 if grep "^// type _pad128_t" gen-sysinfo.go > /dev/null 2>&1; then
  74   echo "type _pad128_t struct { _l [4]int32; }" >> ${OUT}
  75 fi
  76 if grep "^// type _upad128_t" gen-sysinfo.go > /dev/null 2>&1; then
  77   echo "type _upad128_t struct { _l [4]uint32; }" >> ${OUT}
  78 fi
  79
  80 # The Solaris 11 Update 1 _zone_net_addr_t struct.
  81 grep '^type _zone_net_addr_t ' gen-sysinfo.go | \
  82     sed -e 's/_in6_addr/[16]byte/' \
  83     >> ${OUT}
  84
  85 # The Solaris 12 _flow_arp_desc_t struct.
  86 grep '^type _flow_arp_desc_t ' gen-sysinfo.go | \
  87     sed -e 's/_in6_addr_t/[16]byte/g' \
  88     >> ${OUT}
  89
  90 # The Solaris 12 _flow_l3_desc_t struct.
  91 grep '^type _flow_l3_desc_t ' gen-sysinfo.go | \
  92     sed -e 's/_in6_addr_t/[16]byte/g' \
  93     >> ${OUT}
  94
  95 # The Solaris 12 _mac_ipaddr_t struct.
  96 grep '^type _mac_ipaddr_t ' gen-sysinfo.go | \
  97     sed -e 's/_in6_addr_t/[16]byte/g' \
  98     >> ${OUT}
  99
 100 # The Solaris 12 _mactun_info_t struct.
 101 grep '^type _mactun_info_t ' gen-sysinfo.go | \
 102     sed -e 's/_in6_addr_t/[16]byte/g' \
 103     >> ${OUT}