[ARM] Multilib mapping for Armv8-R
[official-gcc.git] / libgo / mkrsysinfo.sh
blob40bc34bbe4e5251d45e0452b46ac696c430e4b32
1 #!/bin/sh
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.
7 # Create runtime_sysinfo.go from gen-sysinfo.go and errno.i.
9 OUT=tmp-runtime_sysinfo.go
11 set -e
13 echo 'package runtime' > ${OUT}
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 '^var ' | \
22 grep -v '^type _timeval ' | \
23 grep -v '^type _timespec_t ' | \
24 grep -v '^type _timespec ' | \
25 grep -v '^type _epoll_' | \
26 grep -v '^type _*locale[_ ]' | \
27 grep -v 'in6_addr' | \
28 grep -v 'sockaddr_in6' | \
29 sed -e 's/\([^a-zA-Z0-9_]\)_timeval\([^a-zA-Z0-9_]\)/\1timeval\2/g' \
30 -e 's/\([^a-zA-Z0-9_]\)_timespec_t\([^a-zA-Z0-9_]\)/\1timespec\2/g' \
31 -e 's/\([^a-zA-Z0-9_]\)_timespec\([^a-zA-Z0-9_]\)/\1timespec\2/g' \
32 >> ${OUT}
34 # On AIX, the _arpcom struct, is filtered by the above grep sequence, as it as
35 # a field of type _in6_addr, but other types depend on _arpcom, so we need to
36 # put it back.
37 grep '^type _arpcom ' gen-sysinfo.go | \
38 sed -e 's/_in6_addr/[16]byte/' >> ${OUT}
40 # Same on Solaris for _mld_hdr_t.
41 grep '^type _mld_hdr_t ' gen-sysinfo.go | \
42 sed -e 's/_in6_addr/[16]byte/' >> ${OUT}
44 # The time structures need special handling: we need to name the
45 # types, so that we can cast integers to the right types when
46 # assigning to the structures.
47 timeval=`grep '^type _timeval ' gen-sysinfo.go`
48 timeval_sec=`echo $timeval | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
49 timeval_usec=`echo $timeval | sed -n -e 's/^.*tv_usec \([^ ]*\);.*$/\1/p'`
50 echo "type timeval_sec_t $timeval_sec" >> ${OUT}
51 echo "type timeval_usec_t $timeval_usec" >> ${OUT}
52 echo $timeval | \
53 sed -e 's/type _timeval /type timeval /' \
54 -e 's/tv_sec *[a-zA-Z0-9_]*/tv_sec timeval_sec_t/' \
55 -e 's/tv_usec *[a-zA-Z0-9_]*/tv_usec timeval_usec_t/' >> ${OUT}
56 echo >> ${OUT}
57 echo "func (tv *timeval) set_usec(x int32) {" >> ${OUT}
58 echo " tv.tv_usec = timeval_usec_t(x)" >> ${OUT}
59 echo "}" >> ${OUT}
61 timespec=`grep '^type _timespec ' gen-sysinfo.go || true`
62 if test "$timespec" = ""; then
63 # IRIX 6.5 has __timespec instead.
64 timespec=`grep '^type ___timespec ' gen-sysinfo.go || true`
66 timespec_sec=`echo $timespec | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
67 timespec_nsec=`echo $timespec | sed -n -e 's/^.*tv_nsec \([^ ]*\);.*$/\1/p'`
68 echo "type timespec_sec_t $timespec_sec" >> ${OUT}
69 echo "type timespec_nsec_t $timespec_nsec" >> ${OUT}
70 echo $timespec | \
71 sed -e 's/^type ___timespec /type timespec /' \
72 -e 's/^type _timespec /type timespec /' \
73 -e 's/tv_sec *[a-zA-Z0-9_]*/tv_sec timespec_sec_t/' \
74 -e 's/tv_nsec *[a-zA-Z0-9_]*/tv_nsec timespec_nsec_t/' >> ${OUT}
75 echo >> ${OUT}
76 echo "func (ts *timespec) set_sec(x int64) {" >> ${OUT}
77 echo " ts.tv_sec = timespec_sec_t(x)" >> ${OUT}
78 echo "}" >> ${OUT}
79 echo >> ${OUT}
80 echo "func (ts *timespec) set_nsec(x int32) {" >> ${OUT}
81 echo " ts.tv_nsec = timespec_nsec_t(x)" >> ${OUT}
82 echo "}" >> ${OUT}
84 # Define the epollevent struct. This needs special attention because
85 # the C definition uses a union and is sometimes packed.
86 if grep '^const _epoll_data_offset ' ${OUT} >/dev/null 2>&1; then
87 val=`grep '^const _epoll_data_offset ' ${OUT} | sed -e 's/const _epoll_data_offset = \(.*\)$/\1/'`
88 if test "$val" = "4"; then
89 echo 'type epollevent struct { events uint32; data [8]byte }' >> ${OUT}
90 elif test "$val" = "8"; then
91 if test "$GOARCH" = "sparc64" -a "$GOOS" = "linux"; then
92 echo 'type epollevent struct { events uint32; pad [4]byte; data [8]byte; _align [0]int64 }' >> ${OUT}
93 else
94 echo 'type epollevent struct { events uint32; pad [4]byte; data [8]byte }' >> ${OUT}
96 else
97 echo 1>&2 "unknown epoll data offset value ${val}"
98 exit 1
101 # Make sure EPOLLET is positive.
102 if grep '^const _EPOLLET = [0-9]' gen-sysinfo.go > /dev/null 2>&1; then
103 echo "const _EPOLLETpos = _EPOLLET" >> ${OUT}
104 else
105 echo "const _EPOLLETpos = 0x80000000" >> ${OUT}
107 # Make sure EPOLLRDHUP and EPOLL_CLOEXEC are defined.
108 if ! grep '^const _EPOLLRDHUP' ${OUT} >/dev/null 2>&1; then
109 echo "const _EPOLLRDHUP = 0x2000" >> ${OUT}
111 if ! grep '^const _EPOLL_CLOEXEC' ${OUT} >/dev/null 2>&1; then
112 echo "const _EPOLL_CLOEXEC = 02000000" >> ${OUT}
115 # AIX 7.1 is a 64 bits value for _FCLOEXEC (referenced by O_CLOEXEC)
116 # which leads to a constant overflow when using O_CLOEXEC in some
117 # go code. Issue wan not present in 6.1 (no O_CLOEXEC) and is no
118 # more present in 7.2 (_FCLOEXEC is a 32 bit value).
119 if test "${GOOS}" = "aix" && `oslevel | grep -q "^7.1"`; then
120 sed -e 's/const __FCLOEXEC = .*/const __FCLOEXEC = 0/' ${OUT} > ${OUT}-2
121 mv ${OUT}-2 ${OUT}
124 # Make sure _MAP_FAILED is defined.
125 if ! grep '^const _MAP_FAILED =' gen-sysinfo.go > /dev/null 2>&1; then
126 echo "const _MAP_FAILED = ^uintptr(0)" >> ${OUT}
128 # Make sure _MAP_ANON is defined.
129 if ! grep '^const _MAP_ANON =' gen-sysinfo.go > /dev/null 2>&1; then
130 if grep '^const _MAP_ANONYMOUS ' gen-sysinfo.go > /dev/null 2>&1; then
131 echo "const _MAP_ANON = _MAP_ANONYMOUS" >> ${OUT}
132 else
133 echo "const _MAP_ANON = 0" >> ${OUT}
136 # Make sure _MADV_DONTNEED is defined.
137 if ! grep '^const _MADV_DONTNEED =' gen-sysinfo.go > /dev/null 2>&1; then
138 echo "const _MADV_DONTNEED = 0" >> ${OUT}
140 # Make sure _MADV_FREE is defined.
141 if ! grep '^const _MADV_FREE =' gen-sysinfo.go > /dev/null 2>&1; then
142 echo "const _MADV_FREE = 0" >> ${OUT}
144 # Make sure _MADV_HUGEPAGE is defined.
145 if ! grep '^const _MADV_HUGEPAGE =' gen-sysinfo.go > /dev/null 2>&1; then
146 echo "const _MADV_HUGEPAGE = 0" >> ${OUT}
148 # Make sure _MADV_NOHUGEPAGE is defined.
149 if ! grep '^const _MADV_NOHUGEPAGE =' gen-sysinfo.go > /dev/null 2>&1; then
150 echo "const _MADV_NOHUGEPAGE = 0" >> ${OUT}
153 # The semt structure, for Solaris.
154 grep '^type _sem_t ' gen-sysinfo.go | \
155 sed -e 's/_sem_t/semt/' >> ${OUT}
157 # Solaris 2 needs _u?pad128_t, but its default definition in terms of long
158 # double is commented by -fdump-go-spec.
159 if grep "^// type _pad128_t" gen-sysinfo.go > /dev/null 2>&1; then
160 echo "type _pad128_t struct { _l [4]int32; }" >> ${OUT}
162 if grep "^// type _upad128_t" gen-sysinfo.go > /dev/null 2>&1; then
163 echo "type _upad128_t struct { _l [4]uint32; }" >> ${OUT}
166 # The Solaris 11 Update 1 _zone_net_addr_t struct.
167 grep '^type _zone_net_addr_t ' gen-sysinfo.go | \
168 sed -e 's/_in6_addr/[16]byte/' \
169 >> ${OUT}
171 # The Solaris 11.4 _flow_arp_desc_t struct.
172 grep '^type _flow_arp_desc_t ' gen-sysinfo.go | \
173 sed -e 's/_in6_addr_t/[16]byte/g' \
174 >> ${OUT}
176 # The Solaris 11.4 _flow_l3_desc_t struct.
177 grep '^type _flow_l3_desc_t ' gen-sysinfo.go | \
178 sed -e 's/_in6_addr_t/[16]byte/g' \
179 >> ${OUT}
181 # The Solaris 11.3 _mac_ipaddr_t struct.
182 grep '^type _mac_ipaddr_t ' gen-sysinfo.go | \
183 sed -e 's/_in6_addr_t/[16]byte/g' \
184 >> ${OUT}
186 # The Solaris 11.3 _mactun_info_t struct.
187 grep '^type _mactun_info_t ' gen-sysinfo.go | \
188 sed -e 's/_in6_addr_t/[16]byte/g' \
189 >> ${OUT}
191 # The Solaris port_event_t struct.
192 grep '^type _port_event_t ' gen-sysinfo.go | \
193 sed -e s'/_port_event_t/portevent/' \
194 >> ${OUT}
196 # The *BSD kevent struct.
197 grep '^type _kevent ' gen-sysinfo.go | \
198 sed -e s'/_kevent/keventt/' \
199 -e 's/ udata [^;}]*/ udata *byte/' \
200 >> ${OUT}