cat > sysinfo.c <<EOF
#include "config.h"
-#define _GNU_SOURCE
-#define _LARGEFILE_SOURCE
-#define _FILE_OFFSET_BITS 64
-
#include <sys/types.h>
#include <dirent.h>
#include <errno.h>
#if defined(HAVE_NET_IF_H)
#include <net/if.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
-e 's/\([^a-zA-Z0-9_]\)_timestruc_t\([^a-zA-Z0-9_]\)/\1Timestruc\2/g' \
>> ${OUT}
-# The errno constants.
-grep '^const _E' gen-sysinfo.go | \
- sed -e 's/^\(const \)_\(E[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${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 | \
grep '^const _SHUT_' gen-sysinfo.go |
sed -e 's/^\(const \)_\(SHUT[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
-# The net package requires a definition for IPV6ONLY.
-if ! grep '^const IPV6_V6ONLY ' ${OUT} >/dev/null 2>&1; then
- echo "const IPV6_V6ONLY = 0" >> ${OUT}
-fi
+# The net package requires some const definitions.
+for m in IPV6_V6ONLY IPPROTO_IPV6 IPV6_JOIN_GROUP IPV6_LEAVE_GROUP; 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}
-# The epoll constants were picked up by the errno constants, but we
-# need to be sure the EPOLLRDHUP is defined.
+# 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
# Ptrace constants.
grep '^const _PTRACE' gen-sysinfo.go |
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}
+ echo "const _PTRACE_TRACEME = 0" >> ${OUT}
fi
# The registers returned by PTRACE_GETREGS. This is probably
-e 's/msg_flags/Flags/' \
>> ${OUT}
-# The ip_mreq struct
+# The ip_mreq struct.
grep '^type _ip_mreq ' gen-sysinfo.go | \
sed -e 's/_ip_mreq/IPMreq/' \
-e 's/imr_multiaddr/Multiaddr/' \
-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.
-if grep 'type IPMreq ' ${OUT} > /dev/null 2>&1; then
- echo 'var SizeofIPMreq = int(unsafe.Sizeof(IPMreq{}))' >> ${OUT}
+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
# Try to guess the type to use for fd_set.
-e 's/ ai_/ Ai_/g' \
>> ${OUT}
-# The addrinfo flags.
+# 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 | \
# 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.
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
+
exit $?
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