diff options
Diffstat (limited to 'vendor/golang.org/x/sys/unix/mkerrors.sh')
| -rw-r--r-- | vendor/golang.org/x/sys/unix/mkerrors.sh | 762 |
1 files changed, 762 insertions, 0 deletions
diff --git a/vendor/golang.org/x/sys/unix/mkerrors.sh b/vendor/golang.org/x/sys/unix/mkerrors.sh new file mode 100644 index 0000000..a74ef58 --- /dev/null +++ b/vendor/golang.org/x/sys/unix/mkerrors.sh @@ -0,0 +1,762 @@ +#!/usr/bin/env bash +# 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. + +# Generate Go code listing errors and other #defined constant +# values (ENAMETOOLONG etc.), by asking the preprocessor +# about the definitions. + +unset LANG +export LC_ALL=C +export LC_CTYPE=C + +if test -z "$GOARCH" -o -z "$GOOS"; then + echo 1>&2 "GOARCH or GOOS not defined in environment" + exit 1 +fi + +# Check that we are using the new build system if we should +if [[ "$GOOS" = "linux" ]] && [[ "$GOLANG_SYS_BUILD" != "docker" ]]; then + echo 1>&2 "In the Docker based build system, mkerrors should not be called directly." + echo 1>&2 "See README.md" + exit 1 +fi + +if [[ "$GOOS" = "aix" ]]; then + CC=${CC:-gcc} +else + CC=${CC:-cc} +fi + +if [[ "$GOOS" = "solaris" ]]; then + # Assumes GNU versions of utilities in PATH. + export PATH=/usr/gnu/bin:$PATH +fi + +uname=$(uname) + +includes_AIX=' +#include <net/if.h> +#include <net/netopt.h> +#include <netinet/ip_mroute.h> +#include <sys/protosw.h> +#include <sys/stropts.h> +#include <sys/mman.h> +#include <sys/poll.h> +#include <sys/select.h> +#include <sys/termio.h> +#include <termios.h> +#include <fcntl.h> + +#define AF_LOCAL AF_UNIX +' + +includes_Darwin=' +#define _DARWIN_C_SOURCE +#define KERNEL 1 +#define _DARWIN_USE_64_BIT_INODE +#define __APPLE_USE_RFC_3542 +#include <stdint.h> +#include <sys/attr.h> +#include <sys/clonefile.h> +#include <sys/kern_control.h> +#include <sys/types.h> +#include <sys/event.h> +#include <sys/ptrace.h> +#include <sys/select.h> +#include <sys/socket.h> +#include <sys/un.h> +#include <sys/sockio.h> +#include <sys/sys_domain.h> +#include <sys/sysctl.h> +#include <sys/mman.h> +#include <sys/mount.h> +#include <sys/utsname.h> +#include <sys/wait.h> +#include <sys/xattr.h> +#include <sys/vsock.h> +#include <net/bpf.h> +#include <net/if.h> +#include <net/if_types.h> +#include <net/route.h> +#include <netinet/in.h> +#include <netinet/ip.h> +#include <termios.h> + +// for backwards compatibility because moved TIOCREMOTE to Kernel.framework after MacOSX12.0.sdk. +#define TIOCREMOTE 0x80047469 +' + +includes_DragonFly=' +#include <sys/types.h> +#include <sys/event.h> +#include <sys/select.h> +#include <sys/socket.h> +#include <sys/sockio.h> +#include <sys/stat.h> +#include <sys/sysctl.h> +#include <sys/mman.h> +#include <sys/mount.h> +#include <sys/wait.h> +#include <sys/ioctl.h> +#include <net/bpf.h> +#include <net/if.h> +#include <net/if_clone.h> +#include <net/if_types.h> +#include <net/route.h> +#include <netinet/in.h> +#include <termios.h> +#include <netinet/ip.h> +#include <net/ip_mroute/ip_mroute.h> +' + +includes_FreeBSD=' +#include <sys/capsicum.h> +#include <sys/param.h> +#include <sys/types.h> +#include <sys/disk.h> +#include <sys/event.h> +#include <sys/sched.h> +#include <sys/select.h> +#include <sys/socket.h> +#include <sys/un.h> +#include <sys/sockio.h> +#include <sys/stat.h> +#include <sys/sysctl.h> +#include <sys/mman.h> +#include <sys/mount.h> +#include <sys/wait.h> +#include <sys/ioctl.h> +#include <net/bpf.h> +#include <net/if.h> +#include <net/if_types.h> +#include <net/route.h> +#include <netinet/in.h> +#include <termios.h> +#include <netinet/ip.h> +#include <netinet/ip_mroute.h> +#include <sys/extattr.h> + +#if __FreeBSD__ >= 10 +#define IFT_CARP 0xf8 // IFT_CARP is deprecated in FreeBSD 10 +#undef SIOCAIFADDR +#define SIOCAIFADDR _IOW(105, 26, struct oifaliasreq) // ifaliasreq contains if_data +#undef SIOCSIFPHYADDR +#define SIOCSIFPHYADDR _IOW(105, 70, struct oifaliasreq) // ifaliasreq contains if_data +#endif +' + +includes_Linux=' +#define _LARGEFILE_SOURCE +#define _LARGEFILE64_SOURCE +#ifndef __LP64__ +#define _FILE_OFFSET_BITS 64 +#endif +#define _GNU_SOURCE + +// <sys/ioctl.h> is broken on powerpc64, as it fails to include definitions of +// these structures. We just include them copied from <bits/termios.h>. +#if defined(__powerpc__) +struct sgttyb { + char sg_ispeed; + char sg_ospeed; + char sg_erase; + char sg_kill; + short sg_flags; +}; + +struct tchars { + char t_intrc; + char t_quitc; + char t_startc; + char t_stopc; + char t_eofc; + char t_brkc; +}; + +struct ltchars { + char t_suspc; + char t_dsuspc; + char t_rprntc; + char t_flushc; + char t_werasc; + char t_lnextc; +}; +#endif + +#include <bits/sockaddr.h> +#include <sys/epoll.h> +#include <sys/eventfd.h> +#include <sys/inotify.h> +#include <sys/ioctl.h> +#include <sys/mman.h> +#include <sys/mount.h> +#include <sys/prctl.h> +#include <sys/stat.h> +#include <sys/types.h> +#include <sys/time.h> +#include <sys/select.h> +#include <sys/signalfd.h> +#include <sys/socket.h> +#include <sys/timerfd.h> +#include <sys/uio.h> +#include <sys/xattr.h> +#include <linux/bpf.h> +#include <linux/can.h> +#include <linux/can/error.h> +#include <linux/can/raw.h> +#include <linux/capability.h> +#include <linux/cryptouser.h> +#include <linux/devlink.h> +#include <linux/dm-ioctl.h> +#include <linux/errqueue.h> +#include <linux/ethtool_netlink.h> +#include <linux/falloc.h> +#include <linux/fanotify.h> +#include <linux/filter.h> +#include <linux/fs.h> +#include <linux/fscrypt.h> +#include <linux/fsverity.h> +#include <linux/genetlink.h> +#include <linux/hdreg.h> +#include <linux/hidraw.h> +#include <linux/if.h> +#include <linux/if_addr.h> +#include <linux/if_alg.h> +#include <linux/if_arp.h> +#include <linux/if_ether.h> +#include <linux/if_ppp.h> +#include <linux/if_tun.h> +#include <linux/if_packet.h> +#include <linux/if_xdp.h> +#include <linux/input.h> +#include <linux/kexec.h> +#include <linux/keyctl.h> +#include <linux/landlock.h> +#include <linux/loop.h> +#include <linux/lwtunnel.h> +#include <linux/magic.h> +#include <linux/memfd.h> +#include <linux/module.h> +#include <linux/netfilter/nfnetlink.h> +#include <linux/netlink.h> +#include <linux/net_namespace.h> +#include <linux/nfc.h> +#include <linux/nsfs.h> +#include <linux/perf_event.h> +#include <linux/pps.h> +#include <linux/ptrace.h> +#include <linux/random.h> +#include <linux/reboot.h> +#include <linux/rtc.h> +#include <linux/rtnetlink.h> +#include <linux/sched.h> +#include <linux/seccomp.h> +#include <linux/serial.h> +#include <linux/sockios.h> +#include <linux/taskstats.h> +#include <linux/tipc.h> +#include <linux/vm_sockets.h> +#include <linux/wait.h> +#include <linux/watchdog.h> + +#include <mtd/ubi-user.h> +#include <mtd/mtd-user.h> +#include <net/route.h> + +#if defined(__sparc__) +// On sparc{,64}, the kernel defines struct termios2 itself which clashes with the +// definition in glibc. As only the error constants are needed here, include the +// generic termibits.h (which is included by termbits.h on sparc). +#include <asm-generic/termbits.h> +#else +#include <asm/termbits.h> +#endif + +#ifndef MSG_FASTOPEN +#define MSG_FASTOPEN 0x20000000 +#endif + +#ifndef PTRACE_GETREGS +#define PTRACE_GETREGS 0xc +#endif + +#ifndef PTRACE_SETREGS +#define PTRACE_SETREGS 0xd +#endif + +#ifndef SOL_NETLINK +#define SOL_NETLINK 270 +#endif + +#ifdef SOL_BLUETOOTH +// SPARC includes this in /usr/include/sparc64-linux-gnu/bits/socket.h +// but it is already in bluetooth_linux.go +#undef SOL_BLUETOOTH +#endif + +// Certain constants are missing from the fs/crypto UAPI +#define FS_KEY_DESC_PREFIX "fscrypt:" +#define FS_KEY_DESC_PREFIX_SIZE 8 +#define FS_MAX_KEY_SIZE 64 + +// The code generator produces -0x1 for (~0), but an unsigned value is necessary +// for the tipc_subscr timeout __u32 field. +#undef TIPC_WAIT_FOREVER +#define TIPC_WAIT_FOREVER 0xffffffff + +// Copied from linux/l2tp.h +// Including linux/l2tp.h here causes conflicts between linux/in.h +// and netinet/in.h included via net/route.h above. +#define IPPROTO_L2TP 115 + +// Copied from linux/hid.h. +// Keep in sync with the size of the referenced fields. +#define _HIDIOCGRAWNAME_LEN 128 // sizeof_field(struct hid_device, name) +#define _HIDIOCGRAWPHYS_LEN 64 // sizeof_field(struct hid_device, phys) +#define _HIDIOCGRAWUNIQ_LEN 64 // sizeof_field(struct hid_device, uniq) + +#define _HIDIOCGRAWNAME HIDIOCGRAWNAME(_HIDIOCGRAWNAME_LEN) +#define _HIDIOCGRAWPHYS HIDIOCGRAWPHYS(_HIDIOCGRAWPHYS_LEN) +#define _HIDIOCGRAWUNIQ HIDIOCGRAWUNIQ(_HIDIOCGRAWUNIQ_LEN) + +' + +includes_NetBSD=' +#include <sys/types.h> +#include <sys/param.h> +#include <sys/event.h> +#include <sys/extattr.h> +#include <sys/mman.h> +#include <sys/mount.h> +#include <sys/sched.h> +#include <sys/select.h> +#include <sys/socket.h> +#include <sys/sockio.h> +#include <sys/sysctl.h> +#include <sys/termios.h> +#include <sys/ttycom.h> +#include <sys/wait.h> +#include <net/bpf.h> +#include <net/if.h> +#include <net/if_types.h> +#include <net/route.h> +#include <netinet/in.h> +#include <netinet/in_systm.h> +#include <netinet/ip.h> +#include <netinet/ip_mroute.h> +#include <netinet/if_ether.h> + +// Needed since <sys/param.h> refers to it... +#define schedppq 1 +' + +includes_OpenBSD=' +#include <sys/types.h> +#include <sys/param.h> +#include <sys/event.h> +#include <sys/mman.h> +#include <sys/mount.h> +#include <sys/select.h> +#include <sys/sched.h> +#include <sys/socket.h> +#include <sys/sockio.h> +#include <sys/stat.h> +#include <sys/sysctl.h> +#include <sys/termios.h> +#include <sys/ttycom.h> +#include <sys/unistd.h> +#include <sys/wait.h> +#include <net/bpf.h> +#include <net/if.h> +#include <net/if_types.h> +#include <net/if_var.h> +#include <net/route.h> +#include <netinet/in.h> +#include <netinet/in_systm.h> +#include <netinet/ip.h> +#include <netinet/ip_mroute.h> +#include <netinet/if_ether.h> +#include <net/if_bridge.h> + +// We keep some constants not supported in OpenBSD 5.5 and beyond for +// the promise of compatibility. +#define EMUL_ENABLED 0x1 +#define EMUL_NATIVE 0x2 +#define IPV6_FAITH 0x1d +#define IPV6_OPTIONS 0x1 +#define IPV6_RTHDR_STRICT 0x1 +#define IPV6_SOCKOPT_RESERVED1 0x3 +#define SIOCGIFGENERIC 0xc020693a +#define SIOCSIFGENERIC 0x80206939 +#define WALTSIG 0x4 +' + +includes_SunOS=' +#include <limits.h> +#include <sys/types.h> +#include <sys/select.h> +#include <sys/socket.h> +#include <sys/sockio.h> +#include <sys/stat.h> +#include <sys/stream.h> +#include <sys/mman.h> +#include <sys/wait.h> +#include <sys/ioctl.h> +#include <sys/mkdev.h> +#include <net/bpf.h> +#include <net/if.h> +#include <net/if_arp.h> +#include <net/if_types.h> +#include <net/route.h> +#include <netinet/icmp6.h> +#include <netinet/in.h> +#include <netinet/ip.h> +#include <netinet/ip_mroute.h> +#include <termios.h> +' + + +includes=' +#include <sys/types.h> +#include <sys/file.h> +#include <fcntl.h> +#include <dirent.h> +#include <sys/socket.h> +#include <netinet/in.h> +#include <netinet/ip.h> +#include <netinet/ip6.h> +#include <netinet/tcp.h> +#include <errno.h> +#include <sys/signal.h> +#include <signal.h> +#include <sys/resource.h> +#include <time.h> +' +ccflags="$@" + +# Write go tool cgo -godefs input. +( + echo package unix + echo + echo '/*' + indirect="includes_$(uname)" + echo "${!indirect} $includes" + echo '*/' + echo 'import "C"' + echo 'import "syscall"' + echo + echo 'const (' + + # The gcc command line prints all the #defines + # it encounters while processing the input + echo "${!indirect} $includes" | $CC -x c - -E -dM $ccflags | + awk ' + $1 != "#define" || $2 ~ /\(/ || $3 == "" {next} + + $2 ~ /^E([ABCD]X|[BIS]P|[SD]I|S|FL)$/ {next} # 386 registers + $2 ~ /^(SIGEV_|SIGSTKSZ|SIGRT(MIN|MAX))/ {next} + $2 ~ /^(SCM_SRCRT)$/ {next} + $2 ~ /^(MAP_FAILED)$/ {next} + $2 ~ /^ELF_.*$/ {next}# <asm/elf.h> contains ELF_ARCH, etc. + + $2 ~ /^EXTATTR_NAMESPACE_NAMES/ || + $2 ~ /^EXTATTR_NAMESPACE_[A-Z]+_STRING/ {next} + + $2 !~ /^ECCAPBITS/ && + $2 !~ /^ETH_/ && + $2 !~ /^EPROC_/ && + $2 !~ /^EQUIV_/ && + $2 !~ /^EXPR_/ && + $2 !~ /^EVIOC/ && + $2 ~ /^E[A-Z0-9_]+$/ || + $2 ~ /^B[0-9_]+$/ || + $2 ~ /^(OLD|NEW)DEV$/ || + $2 == "BOTHER" || + $2 ~ /^CI?BAUD(EX)?$/ || + $2 == "IBSHIFT" || + $2 ~ /^V[A-Z0-9]+$/ || + $2 ~ /^CS[A-Z0-9]/ || + $2 ~ /^I(SIG|CANON|CRNL|UCLC|EXTEN|MAXBEL|STRIP|UTF8)$/ || + $2 ~ /^IGN/ || + $2 ~ /^IX(ON|ANY|OFF)$/ || + $2 ~ /^IN(LCR|PCK)$/ || + $2 !~ "X86_CR3_PCID_NOFLUSH" && + $2 ~ /(^FLU?SH)|(FLU?SH$)/ || + $2 ~ /^C(LOCAL|READ|MSPAR|RTSCTS)$/ || + $2 == "BRKINT" || + $2 == "HUPCL" || + $2 == "PENDIN" || + $2 == "TOSTOP" || + $2 == "XCASE" || + $2 == "ALTWERASE" || + $2 == "NOKERNINFO" || + $2 == "NFDBITS" || + $2 ~ /^PAR/ || + $2 ~ /^SIG[^_]/ || + $2 ~ /^O[CNPFPL][A-Z]+[^_][A-Z]+$/ || + $2 ~ /^(NL|CR|TAB|BS|VT|FF)DLY$/ || + $2 ~ /^(NL|CR|TAB|BS|VT|FF)[0-9]$/ || + $2 ~ /^O?XTABS$/ || + $2 ~ /^TC[IO](ON|OFF)$/ || + $2 ~ /^IN_/ || + $2 ~ /^LANDLOCK_/ || + $2 ~ /^LOCK_(SH|EX|NB|UN)$/ || + $2 ~ /^LO_(KEY|NAME)_SIZE$/ || + $2 ~ /^LOOP_(CLR|CTL|GET|SET)_/ || + $2 ~ /^(AF|SOCK|SO|SOL|IPPROTO|IP|IPV6|TCP|MCAST|EVFILT|NOTE|SHUT|PROT|MAP|MFD|T?PACKET|MSG|SCM|MCL|DT|MADV|PR|LOCAL|TCPOPT)_/ || + $2 ~ /^NFC_(GENL|PROTO|COMM|RF|SE|DIRECTION|LLCP|SOCKPROTO)_/ || + $2 ~ /^NFC_.*_(MAX)?SIZE$/ || + $2 ~ /^RAW_PAYLOAD_/ || + $2 ~ /^TP_STATUS_/ || + $2 ~ /^FALLOC_/ || + $2 ~ /^ICMPV?6?_(FILTER|SEC)/ || + $2 == "SOMAXCONN" || + $2 == "NAME_MAX" || + $2 == "IFNAMSIZ" || + $2 ~ /^CTL_(HW|KERN|MAXNAME|NET|QUERY)$/ || + $2 ~ /^KERN_(HOSTNAME|OS(RELEASE|TYPE)|VERSION)$/ || + $2 ~ /^HW_MACHINE$/ || + $2 ~ /^SYSCTL_VERS/ || + $2 !~ "MNT_BITS" && + $2 ~ /^(MS|MNT|UMOUNT)_/ || + $2 ~ /^NS_GET_/ || + $2 ~ /^TUN(SET|GET|ATTACH|DETACH)/ || + $2 ~ /^(O|F|[ES]?FD|NAME|S|PTRACE|PT|TFD)_/ || + $2 ~ /^KEXEC_/ || + $2 ~ /^LINUX_REBOOT_CMD_/ || + $2 ~ /^LINUX_REBOOT_MAGIC[12]$/ || + $2 ~ /^MODULE_INIT_/ || + $2 !~ "NLA_TYPE_MASK" && + $2 !~ /^RTC_VL_(ACCURACY|BACKUP|DATA)/ && + $2 ~ /^(NETLINK|NLM|NLMSG|NLA|IFA|IFAN|RT|RTC|RTCF|RTN|RTPROT|RTNH|ARPHRD|ETH_P|NETNSA)_/ || + $2 ~ /^FIORDCHK$/ || + $2 ~ /^SIOC/ || + $2 ~ /^TIOC/ || + $2 ~ /^TCGET/ || + $2 ~ /^TCSET/ || + $2 ~ /^TC(FLSH|SBRKP?|XONC)$/ || + $2 !~ "RTF_BITS" && + $2 ~ /^(IFF|IFT|NET_RT|RTM(GRP)?|RTF|RTV|RTA|RTAX)_/ || + $2 ~ /^BIOC/ || + $2 ~ /^DIOC/ || + $2 ~ /^RUSAGE_(SELF|CHILDREN|THREAD)/ || + $2 ~ /^RLIMIT_(AS|CORE|CPU|DATA|FSIZE|LOCKS|MEMLOCK|MSGQUEUE|NICE|NOFILE|NPROC|RSS|RTPRIO|RTTIME|SIGPENDING|STACK)|RLIM_INFINITY/ || + $2 ~ /^PRIO_(PROCESS|PGRP|USER)/ || + $2 ~ /^CLONE_[A-Z_]+/ || + $2 !~ /^(BPF_TIMEVAL|BPF_FIB_LOOKUP_[A-Z]+)$/ && + $2 ~ /^(BPF|DLT)_/ || + $2 ~ /^(CLOCK|TIMER)_/ || + $2 ~ /^CAN_/ || + $2 ~ /^CAP_/ || + $2 ~ /^CP_/ || + $2 ~ /^CPUSTATES$/ || + $2 ~ /^CTLIOCGINFO$/ || + $2 ~ /^ALG_/ || + $2 ~ /^FI(CLONE|DEDUPERANGE)/ || + $2 ~ /^FS_(POLICY_FLAGS|KEY_DESC|ENCRYPTION_MODE|[A-Z0-9_]+_KEY_SIZE)/ || + $2 ~ /^FS_IOC_.*(ENCRYPTION|VERITY|[GS]ETFLAGS)/ || + $2 ~ /^FS_VERITY_/ || + $2 ~ /^FSCRYPT_/ || + $2 ~ /^DM_/ || + $2 ~ /^GRND_/ || + $2 ~ /^RND/ || + $2 ~ /^KEY_(SPEC|REQKEY_DEFL)_/ || + $2 ~ /^KEYCTL_/ || + $2 ~ /^PERF_/ || + $2 ~ /^SECCOMP_MODE_/ || + $2 ~ /^SEEK_/ || + $2 ~ /^SPLICE_/ || + $2 ~ /^SYNC_FILE_RANGE_/ || + $2 !~ /^AUDIT_RECORD_MAGIC/ && + $2 !~ /IOC_MAGIC/ && + $2 ~ /^[A-Z][A-Z0-9_]+_MAGIC2?$/ || + $2 ~ /^(VM|VMADDR)_/ || + $2 ~ /^IOCTL_VM_SOCKETS_/ || + $2 ~ /^(TASKSTATS|TS)_/ || + $2 ~ /^CGROUPSTATS_/ || + $2 ~ /^GENL_/ || + $2 ~ /^STATX_/ || + $2 ~ /^RENAME/ || + $2 ~ /^UBI_IOC[A-Z]/ || + $2 ~ /^UTIME_/ || + $2 ~ /^XATTR_(CREATE|REPLACE|NO(DEFAULT|FOLLOW|SECURITY)|SHOWCOMPRESSION)/ || + $2 ~ /^ATTR_(BIT_MAP_COUNT|(CMN|VOL|FILE)_)/ || + $2 ~ /^FSOPT_/ || + $2 ~ /^WDIO[CFS]_/ || + $2 ~ /^NFN/ || + $2 ~ /^XDP_/ || + $2 ~ /^RWF_/ || + $2 ~ /^(HDIO|WIN|SMART)_/ || + $2 ~ /^CRYPTO_/ || + $2 ~ /^TIPC_/ || + $2 !~ "DEVLINK_RELOAD_LIMITS_VALID_MASK" && + $2 ~ /^DEVLINK_/ || + $2 ~ /^ETHTOOL_/ || + $2 ~ /^LWTUNNEL_IP/ || + $2 !~ "WMESGLEN" && + $2 ~ /^W[A-Z0-9]+$/ || + $2 ~/^PPPIOC/ || + $2 ~ /^FAN_|FANOTIFY_/ || + $2 == "HID_MAX_DESCRIPTOR_SIZE" || + $2 ~ /^_?HIDIOC/ || + $2 ~ /^BUS_(USB|HIL|BLUETOOTH|VIRTUAL)$/ || + $2 ~ /^MTD/ || + $2 ~ /^OTP/ || + $2 ~ /^MEM/ || + $2 ~ /^BLK[A-Z]*(GET$|SET$|BUF$|PART$|SIZE)/ {printf("\t%s = C.%s\n", $2, $2)} + $2 ~ /^__WCOREFLAG$/ {next} + $2 ~ /^__W[A-Z0-9]+$/ {printf("\t%s = C.%s\n", substr($2,3), $2)} + + {next} + ' | sort + + echo ')' +) >_const.go + +# Pull out the error names for later. +errors=$( + echo '#include <errno.h>' | $CC -x c - -E -dM $ccflags | + awk '$1=="#define" && $2 ~ /^E[A-Z0-9_]+$/ { print $2 }' | + sort +) + +# Pull out the signal names for later. +signals=$( + echo '#include <signal.h>' | $CC -x c - -E -dM $ccflags | + awk '$1=="#define" && $2 ~ /^SIG[A-Z0-9]+$/ { print $2 }' | + egrep -v '(SIGSTKSIZE|SIGSTKSZ|SIGRT|SIGMAX64)' | + sort +) + +# Again, writing regexps to a file. +echo '#include <errno.h>' | $CC -x c - -E -dM $ccflags | + awk '$1=="#define" && $2 ~ /^E[A-Z0-9_]+$/ { print "^\t" $2 "[ \t]*=" }' | + sort >_error.grep +echo '#include <signal.h>' | $CC -x c - -E -dM $ccflags | + awk '$1=="#define" && $2 ~ /^SIG[A-Z0-9]+$/ { print "^\t" $2 "[ \t]*=" }' | + egrep -v '(SIGSTKSIZE|SIGSTKSZ|SIGRT|SIGMAX64)' | + sort >_signal.grep + +echo '// mkerrors.sh' "$@" +echo '// Code generated by the command above; see README.md. DO NOT EDIT.' +echo +echo "//go:build ${GOARCH} && ${GOOS}" +echo "// +build ${GOARCH},${GOOS}" +echo +go tool cgo -godefs -- "$@" _const.go >_error.out +cat _error.out | grep -vf _error.grep | grep -vf _signal.grep +echo +echo '// Errors' +echo 'const (' +cat _error.out | grep -f _error.grep | sed 's/=\(.*\)/= syscall.Errno(\1)/' +echo ')' + +echo +echo '// Signals' +echo 'const (' +cat _error.out | grep -f _signal.grep | sed 's/=\(.*\)/= syscall.Signal(\1)/' +echo ')' + +# Run C program to print error and syscall strings. +( + echo -E " +#include <stdio.h> +#include <stdlib.h> +#include <errno.h> +#include <ctype.h> +#include <string.h> +#include <signal.h> + +#define nelem(x) (sizeof(x)/sizeof((x)[0])) + +enum { A = 'A', Z = 'Z', a = 'a', z = 'z' }; // avoid need for single quotes below + +struct tuple { + int num; + const char *name; +}; + +struct tuple errors[] = { +" + for i in $errors + do + echo -E ' {'$i', "'$i'" },' + done + + echo -E " +}; + +struct tuple signals[] = { +" + for i in $signals + do + echo -E ' {'$i', "'$i'" },' + done + + # Use -E because on some systems bash builtin interprets \n itself. + echo -E ' +}; + +static int +tuplecmp(const void *a, const void *b) +{ + return ((struct tuple *)a)->num - ((struct tuple *)b)->num; +} + +int +main(void) +{ + int i, e; + char buf[1024], *p; + + printf("\n\n// Error table\n"); + printf("var errorList = [...]struct {\n"); + printf("\tnum syscall.Errno\n"); + printf("\tname string\n"); + printf("\tdesc string\n"); + printf("} {\n"); + qsort(errors, nelem(errors), sizeof errors[0], tuplecmp); + for(i=0; i<nelem(errors); i++) { + e = errors[i].num; + if(i > 0 && errors[i-1].num == e) + continue; + strcpy(buf, strerror(e)); + // lowercase first letter: Bad -> bad, but STREAM -> STREAM. + if(A <= buf[0] && buf[0] <= Z && a <= buf[1] && buf[1] <= z) + buf[0] += a - A; + printf("\t{ %d, \"%s\", \"%s\" },\n", e, errors[i].name, buf); + } + printf("}\n\n"); + + printf("\n\n// Signal table\n"); + printf("var signalList = [...]struct {\n"); + printf("\tnum syscall.Signal\n"); + printf("\tname string\n"); + printf("\tdesc string\n"); + printf("} {\n"); + qsort(signals, nelem(signals), sizeof signals[0], tuplecmp); + for(i=0; i<nelem(signals); i++) { + e = signals[i].num; + if(i > 0 && signals[i-1].num == e) + continue; + strcpy(buf, strsignal(e)); + // lowercase first letter: Bad -> bad, but STREAM -> STREAM. + if(A <= buf[0] && buf[0] <= Z && a <= buf[1] && buf[1] <= z) + buf[0] += a - A; + // cut trailing : number. + p = strrchr(buf, ":"[0]); + if(p) + *p = '\0'; + printf("\t{ %d, \"%s\", \"%s\" },\n", e, signals[i].name, buf); + } + printf("}\n\n"); + + return 0; +} + +' +) >_errors.c + +$CC $ccflags -o _errors _errors.c && $GORUN ./_errors && rm -f _errors.c _errors _const.go _error.grep _signal.grep _error.out |