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66
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1 #!/usr/bin/env bash
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2 # Copyright 2009 The Go Authors. All rights reserved.
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3 # Use of this source code is governed by a BSD-style
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4 # license that can be found in the LICENSE file.
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5
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6 # Generate Go code listing errors and other #defined constant
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7 # values (ENAMETOOLONG etc.), by asking the preprocessor
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8 # about the definitions.
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9
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10 unset LANG
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11 export LC_ALL=C
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12 export LC_CTYPE=C
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13
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14 if test -z "$GOARCH" -o -z "$GOOS"; then
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15 echo 1>&2 "GOARCH or GOOS not defined in environment"
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16 exit 1
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17 fi
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18
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19 # Check that we are using the new build system if we should
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20 if [[ "$GOOS" = "linux" ]] && [[ "$GOLANG_SYS_BUILD" != "docker" ]]; then
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21 echo 1>&2 "In the Docker based build system, mkerrors should not be called directly."
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22 echo 1>&2 "See README.md"
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23 exit 1
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24 fi
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25
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26 if [[ "$GOOS" = "aix" ]]; then
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27 CC=${CC:-gcc}
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28 else
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29 CC=${CC:-cc}
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30 fi
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31
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32 if [[ "$GOOS" = "solaris" ]]; then
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33 # Assumes GNU versions of utilities in PATH.
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34 export PATH=/usr/gnu/bin:$PATH
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35 fi
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36
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37 uname=$(uname)
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38
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39 includes_AIX='
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40 #include <net/if.h>
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41 #include <net/netopt.h>
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42 #include <netinet/ip_mroute.h>
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43 #include <sys/protosw.h>
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44 #include <sys/stropts.h>
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45 #include <sys/mman.h>
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46 #include <sys/poll.h>
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47 #include <sys/select.h>
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48 #include <sys/termio.h>
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49 #include <termios.h>
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50 #include <fcntl.h>
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51
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52 #define AF_LOCAL AF_UNIX
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53 '
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54
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55 includes_Darwin='
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56 #define _DARWIN_C_SOURCE
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57 #define KERNEL 1
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58 #define _DARWIN_USE_64_BIT_INODE
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59 #define __APPLE_USE_RFC_3542
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60 #include <stdint.h>
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61 #include <sys/attr.h>
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62 #include <sys/clonefile.h>
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63 #include <sys/kern_control.h>
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64 #include <sys/types.h>
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65 #include <sys/event.h>
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66 #include <sys/ptrace.h>
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67 #include <sys/select.h>
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68 #include <sys/socket.h>
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69 #include <sys/un.h>
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70 #include <sys/sockio.h>
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71 #include <sys/sys_domain.h>
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72 #include <sys/sysctl.h>
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73 #include <sys/mman.h>
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74 #include <sys/mount.h>
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75 #include <sys/utsname.h>
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76 #include <sys/wait.h>
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77 #include <sys/xattr.h>
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78 #include <sys/vsock.h>
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79 #include <net/bpf.h>
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80 #include <net/if.h>
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81 #include <net/if_types.h>
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82 #include <net/route.h>
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83 #include <netinet/in.h>
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84 #include <netinet/ip.h>
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85 #include <termios.h>
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86
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87 // for backwards compatibility because moved TIOCREMOTE to Kernel.framework after MacOSX12.0.sdk.
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88 #define TIOCREMOTE 0x80047469
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89 '
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90
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91 includes_DragonFly='
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92 #include <sys/types.h>
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93 #include <sys/event.h>
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94 #include <sys/select.h>
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95 #include <sys/socket.h>
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96 #include <sys/sockio.h>
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97 #include <sys/stat.h>
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98 #include <sys/sysctl.h>
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99 #include <sys/mman.h>
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100 #include <sys/mount.h>
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101 #include <sys/wait.h>
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102 #include <sys/ioctl.h>
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103 #include <net/bpf.h>
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104 #include <net/if.h>
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105 #include <net/if_clone.h>
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106 #include <net/if_types.h>
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107 #include <net/route.h>
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108 #include <netinet/in.h>
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109 #include <termios.h>
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110 #include <netinet/ip.h>
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111 #include <net/ip_mroute/ip_mroute.h>
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112 '
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113
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114 includes_FreeBSD='
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115 #include <sys/capsicum.h>
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116 #include <sys/param.h>
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117 #include <sys/types.h>
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118 #include <sys/disk.h>
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119 #include <sys/event.h>
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120 #include <sys/sched.h>
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121 #include <sys/select.h>
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122 #include <sys/socket.h>
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123 #include <sys/un.h>
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124 #include <sys/sockio.h>
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125 #include <sys/stat.h>
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126 #include <sys/sysctl.h>
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127 #include <sys/mman.h>
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128 #include <sys/mount.h>
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129 #include <sys/wait.h>
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130 #include <sys/ioctl.h>
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131 #include <sys/ptrace.h>
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132 #include <net/bpf.h>
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133 #include <net/if.h>
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134 #include <net/if_types.h>
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135 #include <net/route.h>
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136 #include <netinet/in.h>
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137 #include <termios.h>
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138 #include <netinet/ip.h>
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139 #include <netinet/ip_mroute.h>
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140 #include <sys/extattr.h>
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141
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142 #if __FreeBSD__ >= 10
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143 #define IFT_CARP 0xf8 // IFT_CARP is deprecated in FreeBSD 10
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144 #undef SIOCAIFADDR
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145 #define SIOCAIFADDR _IOW(105, 26, struct oifaliasreq) // ifaliasreq contains if_data
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146 #undef SIOCSIFPHYADDR
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147 #define SIOCSIFPHYADDR _IOW(105, 70, struct oifaliasreq) // ifaliasreq contains if_data
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148 #endif
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149 '
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150
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151 includes_Linux='
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152 #define _LARGEFILE_SOURCE
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153 #define _LARGEFILE64_SOURCE
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154 #ifndef __LP64__
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155 #define _FILE_OFFSET_BITS 64
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156 #endif
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157 #define _GNU_SOURCE
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158
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159 // <sys/ioctl.h> is broken on powerpc64, as it fails to include definitions of
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160 // these structures. We just include them copied from <bits/termios.h>.
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161 #if defined(__powerpc__)
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162 struct sgttyb {
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163 char sg_ispeed;
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164 char sg_ospeed;
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165 char sg_erase;
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166 char sg_kill;
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167 short sg_flags;
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168 };
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169
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170 struct tchars {
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171 char t_intrc;
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172 char t_quitc;
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173 char t_startc;
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174 char t_stopc;
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175 char t_eofc;
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176 char t_brkc;
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177 };
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178
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179 struct ltchars {
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180 char t_suspc;
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181 char t_dsuspc;
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182 char t_rprntc;
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183 char t_flushc;
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184 char t_werasc;
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185 char t_lnextc;
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186 };
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187 #endif
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188
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189 #include <bits/sockaddr.h>
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190 #include <sys/epoll.h>
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191 #include <sys/eventfd.h>
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192 #include <sys/inotify.h>
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193 #include <sys/ioctl.h>
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194 #include <sys/mman.h>
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195 #include <sys/mount.h>
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196 #include <sys/prctl.h>
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197 #include <sys/stat.h>
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198 #include <sys/types.h>
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199 #include <sys/time.h>
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200 #include <sys/select.h>
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201 #include <sys/signalfd.h>
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202 #include <sys/socket.h>
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203 #include <sys/timerfd.h>
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204 #include <sys/uio.h>
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205 #include <sys/xattr.h>
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206 #include <linux/audit.h>
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207 #include <linux/bpf.h>
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208 #include <linux/can.h>
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209 #include <linux/can/error.h>
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210 #include <linux/can/netlink.h>
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211 #include <linux/can/raw.h>
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212 #include <linux/capability.h>
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213 #include <linux/cryptouser.h>
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214 #include <linux/devlink.h>
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215 #include <linux/dm-ioctl.h>
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216 #include <linux/errqueue.h>
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217 #include <linux/ethtool_netlink.h>
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218 #include <linux/falloc.h>
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219 #include <linux/fanotify.h>
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220 #include <linux/fib_rules.h>
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221 #include <linux/filter.h>
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222 #include <linux/fs.h>
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223 #include <linux/fscrypt.h>
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224 #include <linux/fsverity.h>
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225 #include <linux/genetlink.h>
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226 #include <linux/hdreg.h>
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227 #include <linux/hidraw.h>
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228 #include <linux/if.h>
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229 #include <linux/if_addr.h>
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230 #include <linux/if_alg.h>
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231 #include <linux/if_arp.h>
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232 #include <linux/if_ether.h>
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233 #include <linux/if_ppp.h>
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234 #include <linux/if_tun.h>
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235 #include <linux/if_packet.h>
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236 #include <linux/if_xdp.h>
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237 #include <linux/input.h>
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238 #include <linux/kcm.h>
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239 #include <linux/kexec.h>
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240 #include <linux/keyctl.h>
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241 #include <linux/landlock.h>
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242 #include <linux/loop.h>
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243 #include <linux/lwtunnel.h>
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244 #include <linux/magic.h>
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245 #include <linux/memfd.h>
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246 #include <linux/module.h>
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247 #include <linux/mount.h>
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248 #include <linux/netfilter/nfnetlink.h>
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249 #include <linux/netlink.h>
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250 #include <linux/net_namespace.h>
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251 #include <linux/nfc.h>
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252 #include <linux/nsfs.h>
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253 #include <linux/perf_event.h>
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254 #include <linux/pps.h>
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255 #include <linux/ptrace.h>
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256 #include <linux/random.h>
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257 #include <linux/reboot.h>
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258 #include <linux/rtc.h>
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259 #include <linux/rtnetlink.h>
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260 #include <linux/sched.h>
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261 #include <linux/seccomp.h>
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262 #include <linux/serial.h>
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263 #include <linux/sockios.h>
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264 #include <linux/taskstats.h>
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265 #include <linux/tipc.h>
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266 #include <linux/vm_sockets.h>
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267 #include <linux/wait.h>
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268 #include <linux/watchdog.h>
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269 #include <linux/wireguard.h>
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270
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271 #include <mtd/ubi-user.h>
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272 #include <mtd/mtd-user.h>
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273 #include <net/route.h>
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274
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275 #if defined(__sparc__)
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276 // On sparc{,64}, the kernel defines struct termios2 itself which clashes with the
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277 // definition in glibc. As only the error constants are needed here, include the
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278 // generic termibits.h (which is included by termbits.h on sparc).
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279 #include <asm-generic/termbits.h>
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280 #else
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281 #include <asm/termbits.h>
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282 #endif
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283
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284 #ifndef MSG_FASTOPEN
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285 #define MSG_FASTOPEN 0x20000000
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286 #endif
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287
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288 #ifndef PTRACE_GETREGS
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289 #define PTRACE_GETREGS 0xc
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290 #endif
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291
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292 #ifndef PTRACE_SETREGS
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293 #define PTRACE_SETREGS 0xd
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294 #endif
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295
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296 #ifndef SOL_NETLINK
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297 #define SOL_NETLINK 270
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298 #endif
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299
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68
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300 #ifndef SOL_SMC
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301 #define SOL_SMC 286
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302 #endif
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303
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66
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304 #ifdef SOL_BLUETOOTH
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305 // SPARC includes this in /usr/include/sparc64-linux-gnu/bits/socket.h
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306 // but it is already in bluetooth_linux.go
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307 #undef SOL_BLUETOOTH
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308 #endif
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309
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310 // Certain constants are missing from the fs/crypto UAPI
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311 #define FS_KEY_DESC_PREFIX "fscrypt:"
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312 #define FS_KEY_DESC_PREFIX_SIZE 8
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313 #define FS_MAX_KEY_SIZE 64
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314
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315 // The code generator produces -0x1 for (~0), but an unsigned value is necessary
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316 // for the tipc_subscr timeout __u32 field.
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317 #undef TIPC_WAIT_FOREVER
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318 #define TIPC_WAIT_FOREVER 0xffffffff
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319
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320 // Copied from linux/l2tp.h
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321 // Including linux/l2tp.h here causes conflicts between linux/in.h
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322 // and netinet/in.h included via net/route.h above.
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323 #define IPPROTO_L2TP 115
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324
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325 // Copied from linux/hid.h.
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326 // Keep in sync with the size of the referenced fields.
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327 #define _HIDIOCGRAWNAME_LEN 128 // sizeof_field(struct hid_device, name)
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328 #define _HIDIOCGRAWPHYS_LEN 64 // sizeof_field(struct hid_device, phys)
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329 #define _HIDIOCGRAWUNIQ_LEN 64 // sizeof_field(struct hid_device, uniq)
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330
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331 #define _HIDIOCGRAWNAME HIDIOCGRAWNAME(_HIDIOCGRAWNAME_LEN)
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332 #define _HIDIOCGRAWPHYS HIDIOCGRAWPHYS(_HIDIOCGRAWPHYS_LEN)
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333 #define _HIDIOCGRAWUNIQ HIDIOCGRAWUNIQ(_HIDIOCGRAWUNIQ_LEN)
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334
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335 '
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336
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337 includes_NetBSD='
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338 #include <sys/types.h>
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339 #include <sys/param.h>
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340 #include <sys/event.h>
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341 #include <sys/extattr.h>
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342 #include <sys/mman.h>
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343 #include <sys/mount.h>
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344 #include <sys/sched.h>
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345 #include <sys/select.h>
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346 #include <sys/socket.h>
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347 #include <sys/sockio.h>
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348 #include <sys/sysctl.h>
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349 #include <sys/termios.h>
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350 #include <sys/ttycom.h>
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351 #include <sys/wait.h>
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352 #include <net/bpf.h>
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353 #include <net/if.h>
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354 #include <net/if_types.h>
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355 #include <net/route.h>
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356 #include <netinet/in.h>
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357 #include <netinet/in_systm.h>
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358 #include <netinet/ip.h>
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359 #include <netinet/ip_mroute.h>
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360 #include <netinet/if_ether.h>
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361
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362 // Needed since <sys/param.h> refers to it...
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363 #define schedppq 1
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364 '
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365
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366 includes_OpenBSD='
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367 #include <sys/types.h>
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368 #include <sys/param.h>
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369 #include <sys/event.h>
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370 #include <sys/mman.h>
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371 #include <sys/mount.h>
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372 #include <sys/select.h>
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373 #include <sys/sched.h>
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374 #include <sys/socket.h>
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375 #include <sys/sockio.h>
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376 #include <sys/stat.h>
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377 #include <sys/sysctl.h>
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378 #include <sys/termios.h>
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379 #include <sys/ttycom.h>
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380 #include <sys/unistd.h>
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381 #include <sys/wait.h>
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382 #include <net/bpf.h>
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383 #include <net/if.h>
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384 #include <net/if_types.h>
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385 #include <net/if_var.h>
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386 #include <net/route.h>
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387 #include <netinet/in.h>
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388 #include <netinet/in_systm.h>
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389 #include <netinet/ip.h>
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390 #include <netinet/ip_mroute.h>
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391 #include <netinet/if_ether.h>
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392 #include <net/if_bridge.h>
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393
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394 // We keep some constants not supported in OpenBSD 5.5 and beyond for
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395 // the promise of compatibility.
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396 #define EMUL_ENABLED 0x1
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397 #define EMUL_NATIVE 0x2
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398 #define IPV6_FAITH 0x1d
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399 #define IPV6_OPTIONS 0x1
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400 #define IPV6_RTHDR_STRICT 0x1
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401 #define IPV6_SOCKOPT_RESERVED1 0x3
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402 #define SIOCGIFGENERIC 0xc020693a
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403 #define SIOCSIFGENERIC 0x80206939
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404 #define WALTSIG 0x4
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405 '
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406
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407 includes_SunOS='
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408 #include <limits.h>
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409 #include <sys/types.h>
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410 #include <sys/select.h>
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411 #include <sys/socket.h>
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412 #include <sys/sockio.h>
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413 #include <sys/stat.h>
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414 #include <sys/stream.h>
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415 #include <sys/mman.h>
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416 #include <sys/wait.h>
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417 #include <sys/ioctl.h>
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418 #include <sys/mkdev.h>
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419 #include <net/bpf.h>
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420 #include <net/if.h>
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421 #include <net/if_arp.h>
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422 #include <net/if_types.h>
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423 #include <net/route.h>
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424 #include <netinet/icmp6.h>
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425 #include <netinet/in.h>
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426 #include <netinet/ip.h>
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427 #include <netinet/ip_mroute.h>
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428 #include <termios.h>
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429 '
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430
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431
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432 includes='
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433 #include <sys/types.h>
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434 #include <sys/file.h>
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435 #include <fcntl.h>
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436 #include <dirent.h>
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437 #include <sys/socket.h>
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438 #include <netinet/in.h>
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439 #include <netinet/ip.h>
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440 #include <netinet/ip6.h>
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441 #include <netinet/tcp.h>
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442 #include <errno.h>
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443 #include <sys/signal.h>
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444 #include <signal.h>
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445 #include <sys/resource.h>
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446 #include <time.h>
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447 '
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448 ccflags="$@"
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449
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450 # Write go tool cgo -godefs input.
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451 (
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452 echo package unix
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453 echo
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454 echo '/*'
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455 indirect="includes_$(uname)"
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456 echo "${!indirect} $includes"
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457 echo '*/'
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458 echo 'import "C"'
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459 echo 'import "syscall"'
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460 echo
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461 echo 'const ('
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462
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463 # The gcc command line prints all the #defines
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464 # it encounters while processing the input
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465 echo "${!indirect} $includes" | $CC -x c - -E -dM $ccflags |
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466 awk '
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467 $1 != "#define" || $2 ~ /\(/ || $3 == "" {next}
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468
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469 $2 ~ /^E([ABCD]X|[BIS]P|[SD]I|S|FL)$/ {next} # 386 registers
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470 $2 ~ /^(SIGEV_|SIGSTKSZ|SIGRT(MIN|MAX))/ {next}
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471 $2 ~ /^(SCM_SRCRT)$/ {next}
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472 $2 ~ /^(MAP_FAILED)$/ {next}
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473 $2 ~ /^ELF_.*$/ {next}# <asm/elf.h> contains ELF_ARCH, etc.
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474
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475 $2 ~ /^EXTATTR_NAMESPACE_NAMES/ ||
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476 $2 ~ /^EXTATTR_NAMESPACE_[A-Z]+_STRING/ {next}
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477
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478 $2 !~ /^ECCAPBITS/ &&
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|
479 $2 !~ /^ETH_/ &&
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|
480 $2 !~ /^EPROC_/ &&
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|
481 $2 !~ /^EQUIV_/ &&
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|
482 $2 !~ /^EXPR_/ &&
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|
483 $2 !~ /^EVIOC/ &&
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484 $2 ~ /^E[A-Z0-9_]+$/ ||
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|
485 $2 ~ /^B[0-9_]+$/ ||
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|
486 $2 ~ /^(OLD|NEW)DEV$/ ||
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|
487 $2 == "BOTHER" ||
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|
488 $2 ~ /^CI?BAUD(EX)?$/ ||
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|
489 $2 == "IBSHIFT" ||
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|
490 $2 ~ /^V[A-Z0-9]+$/ ||
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|
491 $2 ~ /^CS[A-Z0-9]/ ||
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|
492 $2 ~ /^I(SIG|CANON|CRNL|UCLC|EXTEN|MAXBEL|STRIP|UTF8)$/ ||
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|
493 $2 ~ /^IGN/ ||
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|
494 $2 ~ /^IX(ON|ANY|OFF)$/ ||
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|
495 $2 ~ /^IN(LCR|PCK)$/ ||
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|
496 $2 !~ "X86_CR3_PCID_NOFLUSH" &&
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|
497 $2 ~ /(^FLU?SH)|(FLU?SH$)/ ||
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|
498 $2 ~ /^C(LOCAL|READ|MSPAR|RTSCTS)$/ ||
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|
499 $2 == "BRKINT" ||
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|
500 $2 == "HUPCL" ||
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|
501 $2 == "PENDIN" ||
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|
502 $2 == "TOSTOP" ||
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|
503 $2 == "XCASE" ||
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|
504 $2 == "ALTWERASE" ||
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|
505 $2 == "NOKERNINFO" ||
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|
506 $2 == "NFDBITS" ||
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|
507 $2 ~ /^PAR/ ||
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|
508 $2 ~ /^SIG[^_]/ ||
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|
|
509 $2 ~ /^O[CNPFPL][A-Z]+[^_][A-Z]+$/ ||
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|
510 $2 ~ /^(NL|CR|TAB|BS|VT|FF)DLY$/ ||
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|
511 $2 ~ /^(NL|CR|TAB|BS|VT|FF)[0-9]$/ ||
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|
512 $2 ~ /^O?XTABS$/ ||
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|
513 $2 ~ /^TC[IO](ON|OFF)$/ ||
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|
514 $2 ~ /^IN_/ ||
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|
515 $2 ~ /^KCM/ ||
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|
516 $2 ~ /^LANDLOCK_/ ||
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|
517 $2 ~ /^LOCK_(SH|EX|NB|UN)$/ ||
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|
518 $2 ~ /^LO_(KEY|NAME)_SIZE$/ ||
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|
519 $2 ~ /^LOOP_(CLR|CTL|GET|SET)_/ ||
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520 $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)_/ ||
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|
521 $2 ~ /^NFC_(GENL|PROTO|COMM|RF|SE|DIRECTION|LLCP|SOCKPROTO)_/ ||
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|
522 $2 ~ /^NFC_.*_(MAX)?SIZE$/ ||
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523 $2 ~ /^RAW_PAYLOAD_/ ||
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524 $2 ~ /^TP_STATUS_/ ||
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|
525 $2 ~ /^FALLOC_/ ||
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|
|
526 $2 ~ /^ICMPV?6?_(FILTER|SEC)/ ||
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|
527 $2 == "SOMAXCONN" ||
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|
528 $2 == "NAME_MAX" ||
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|
529 $2 == "IFNAMSIZ" ||
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|
530 $2 ~ /^CTL_(HW|KERN|MAXNAME|NET|QUERY)$/ ||
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|
|
531 $2 ~ /^KERN_(HOSTNAME|OS(RELEASE|TYPE)|VERSION)$/ ||
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532 $2 ~ /^HW_MACHINE$/ ||
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|
533 $2 ~ /^SYSCTL_VERS/ ||
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|
534 $2 !~ "MNT_BITS" &&
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|
535 $2 ~ /^(MS|MNT|MOUNT|UMOUNT)_/ ||
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|
|
536 $2 ~ /^NS_GET_/ ||
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|
537 $2 ~ /^TUN(SET|GET|ATTACH|DETACH)/ ||
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|
|
538 $2 ~ /^(O|F|[ES]?FD|NAME|S|PTRACE|PT|PIOD|TFD)_/ ||
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|
539 $2 ~ /^KEXEC_/ ||
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|
|
540 $2 ~ /^LINUX_REBOOT_CMD_/ ||
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|
541 $2 ~ /^LINUX_REBOOT_MAGIC[12]$/ ||
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|
542 $2 ~ /^MODULE_INIT_/ ||
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|
543 $2 !~ "NLA_TYPE_MASK" &&
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|
544 $2 !~ /^RTC_VL_(ACCURACY|BACKUP|DATA)/ &&
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|
|
545 $2 ~ /^(NETLINK|NLM|NLMSG|NLA|IFA|IFAN|RT|RTC|RTCF|RTN|RTPROT|RTNH|ARPHRD|ETH_P|NETNSA)_/ ||
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|
546 $2 ~ /^FIORDCHK$/ ||
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|
|
547 $2 ~ /^SIOC/ ||
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|
|
548 $2 ~ /^TIOC/ ||
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|
549 $2 ~ /^TCGET/ ||
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|
|
550 $2 ~ /^TCSET/ ||
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|
551 $2 ~ /^TC(FLSH|SBRKP?|XONC)$/ ||
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|
552 $2 !~ "RTF_BITS" &&
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|
553 $2 ~ /^(IFF|IFT|NET_RT|RTM(GRP)?|RTF|RTV|RTA|RTAX)_/ ||
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|
554 $2 ~ /^BIOC/ ||
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|
555 $2 ~ /^DIOC/ ||
|
|
|
556 $2 ~ /^RUSAGE_(SELF|CHILDREN|THREAD)/ ||
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|
|
557 $2 ~ /^RLIMIT_(AS|CORE|CPU|DATA|FSIZE|LOCKS|MEMLOCK|MSGQUEUE|NICE|NOFILE|NPROC|RSS|RTPRIO|RTTIME|SIGPENDING|STACK)|RLIM_INFINITY/ ||
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|
|
558 $2 ~ /^PRIO_(PROCESS|PGRP|USER)/ ||
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|
559 $2 ~ /^CLONE_[A-Z_]+/ ||
|
|
|
560 $2 !~ /^(BPF_TIMEVAL|BPF_FIB_LOOKUP_[A-Z]+)$/ &&
|
|
|
561 $2 ~ /^(BPF|DLT)_/ ||
|
|
|
562 $2 ~ /^AUDIT_/ ||
|
|
|
563 $2 ~ /^(CLOCK|TIMER)_/ ||
|
|
|
564 $2 ~ /^CAN_/ ||
|
|
|
565 $2 ~ /^CAP_/ ||
|
|
|
566 $2 ~ /^CP_/ ||
|
|
|
567 $2 ~ /^CPUSTATES$/ ||
|
|
|
568 $2 ~ /^CTLIOCGINFO$/ ||
|
|
|
569 $2 ~ /^ALG_/ ||
|
|
|
570 $2 ~ /^FI(CLONE|DEDUPERANGE)/ ||
|
|
|
571 $2 ~ /^FS_(POLICY_FLAGS|KEY_DESC|ENCRYPTION_MODE|[A-Z0-9_]+_KEY_SIZE)/ ||
|
|
|
572 $2 ~ /^FS_IOC_.*(ENCRYPTION|VERITY|[GS]ETFLAGS)/ ||
|
|
|
573 $2 ~ /^FS_VERITY_/ ||
|
|
|
574 $2 ~ /^FSCRYPT_/ ||
|
|
|
575 $2 ~ /^DM_/ ||
|
|
|
576 $2 ~ /^GRND_/ ||
|
|
|
577 $2 ~ /^RND/ ||
|
|
|
578 $2 ~ /^KEY_(SPEC|REQKEY_DEFL)_/ ||
|
|
|
579 $2 ~ /^KEYCTL_/ ||
|
|
|
580 $2 ~ /^PERF_/ ||
|
|
|
581 $2 ~ /^SECCOMP_MODE_/ ||
|
|
|
582 $2 ~ /^SEEK_/ ||
|
|
|
583 $2 ~ /^SPLICE_/ ||
|
|
|
584 $2 ~ /^SYNC_FILE_RANGE_/ ||
|
|
|
585 $2 !~ /IOC_MAGIC/ &&
|
|
|
586 $2 ~ /^[A-Z][A-Z0-9_]+_MAGIC2?$/ ||
|
|
|
587 $2 ~ /^(VM|VMADDR)_/ ||
|
|
|
588 $2 ~ /^IOCTL_VM_SOCKETS_/ ||
|
|
|
589 $2 ~ /^(TASKSTATS|TS)_/ ||
|
|
|
590 $2 ~ /^CGROUPSTATS_/ ||
|
|
|
591 $2 ~ /^GENL_/ ||
|
|
|
592 $2 ~ /^STATX_/ ||
|
|
|
593 $2 ~ /^RENAME/ ||
|
|
|
594 $2 ~ /^UBI_IOC[A-Z]/ ||
|
|
|
595 $2 ~ /^UTIME_/ ||
|
|
|
596 $2 ~ /^XATTR_(CREATE|REPLACE|NO(DEFAULT|FOLLOW|SECURITY)|SHOWCOMPRESSION)/ ||
|
|
|
597 $2 ~ /^ATTR_(BIT_MAP_COUNT|(CMN|VOL|FILE)_)/ ||
|
|
|
598 $2 ~ /^FSOPT_/ ||
|
|
|
599 $2 ~ /^WDIO[CFS]_/ ||
|
|
|
600 $2 ~ /^NFN/ ||
|
|
|
601 $2 ~ /^XDP_/ ||
|
|
|
602 $2 ~ /^RWF_/ ||
|
|
|
603 $2 ~ /^(HDIO|WIN|SMART)_/ ||
|
|
|
604 $2 ~ /^CRYPTO_/ ||
|
|
|
605 $2 ~ /^TIPC_/ ||
|
|
|
606 $2 !~ "DEVLINK_RELOAD_LIMITS_VALID_MASK" &&
|
|
|
607 $2 ~ /^DEVLINK_/ ||
|
|
|
608 $2 ~ /^ETHTOOL_/ ||
|
|
|
609 $2 ~ /^LWTUNNEL_IP/ ||
|
|
|
610 $2 ~ /^ITIMER_/ ||
|
|
|
611 $2 !~ "WMESGLEN" &&
|
|
|
612 $2 ~ /^W[A-Z0-9]+$/ ||
|
|
|
613 $2 ~ /^P_/ ||
|
|
|
614 $2 ~/^PPPIOC/ ||
|
|
|
615 $2 ~ /^FAN_|FANOTIFY_/ ||
|
|
|
616 $2 == "HID_MAX_DESCRIPTOR_SIZE" ||
|
|
|
617 $2 ~ /^_?HIDIOC/ ||
|
|
|
618 $2 ~ /^BUS_(USB|HIL|BLUETOOTH|VIRTUAL)$/ ||
|
|
|
619 $2 ~ /^MTD/ ||
|
|
|
620 $2 ~ /^OTP/ ||
|
|
|
621 $2 ~ /^MEM/ ||
|
|
|
622 $2 ~ /^WG/ ||
|
|
|
623 $2 ~ /^FIB_RULE_/ ||
|
|
|
624 $2 ~ /^BLK[A-Z]*(GET$|SET$|BUF$|PART$|SIZE)/ {printf("\t%s = C.%s\n", $2, $2)}
|
|
|
625 $2 ~ /^__WCOREFLAG$/ {next}
|
|
|
626 $2 ~ /^__W[A-Z0-9]+$/ {printf("\t%s = C.%s\n", substr($2,3), $2)}
|
|
|
627
|
|
|
628 {next}
|
|
|
629 ' | sort
|
|
|
630
|
|
|
631 echo ')'
|
|
|
632 ) >_const.go
|
|
|
633
|
|
|
634 # Pull out the error names for later.
|
|
|
635 errors=$(
|
|
|
636 echo '#include <errno.h>' | $CC -x c - -E -dM $ccflags |
|
|
|
637 awk '$1=="#define" && $2 ~ /^E[A-Z0-9_]+$/ { print $2 }' |
|
|
|
638 sort
|
|
|
639 )
|
|
|
640
|
|
|
641 # Pull out the signal names for later.
|
|
|
642 signals=$(
|
|
|
643 echo '#include <signal.h>' | $CC -x c - -E -dM $ccflags |
|
|
|
644 awk '$1=="#define" && $2 ~ /^SIG[A-Z0-9]+$/ { print $2 }' |
|
|
68
|
645 grep -v 'SIGSTKSIZE\|SIGSTKSZ\|SIGRT\|SIGMAX64' |
|
|
66
|
646 sort
|
|
|
647 )
|
|
|
648
|
|
|
649 # Again, writing regexps to a file.
|
|
|
650 echo '#include <errno.h>' | $CC -x c - -E -dM $ccflags |
|
|
|
651 awk '$1=="#define" && $2 ~ /^E[A-Z0-9_]+$/ { print "^\t" $2 "[ \t]*=" }' |
|
|
|
652 sort >_error.grep
|
|
|
653 echo '#include <signal.h>' | $CC -x c - -E -dM $ccflags |
|
|
|
654 awk '$1=="#define" && $2 ~ /^SIG[A-Z0-9]+$/ { print "^\t" $2 "[ \t]*=" }' |
|
|
68
|
655 grep -v 'SIGSTKSIZE\|SIGSTKSZ\|SIGRT\|SIGMAX64' |
|
|
66
|
656 sort >_signal.grep
|
|
|
657
|
|
|
658 echo '// mkerrors.sh' "$@"
|
|
|
659 echo '// Code generated by the command above; see README.md. DO NOT EDIT.'
|
|
|
660 echo
|
|
|
661 echo "//go:build ${GOARCH} && ${GOOS}"
|
|
|
662 echo "// +build ${GOARCH},${GOOS}"
|
|
|
663 echo
|
|
|
664 go tool cgo -godefs -- "$@" _const.go >_error.out
|
|
|
665 cat _error.out | grep -vf _error.grep | grep -vf _signal.grep
|
|
|
666 echo
|
|
|
667 echo '// Errors'
|
|
|
668 echo 'const ('
|
|
|
669 cat _error.out | grep -f _error.grep | sed 's/=\(.*\)/= syscall.Errno(\1)/'
|
|
|
670 echo ')'
|
|
|
671
|
|
|
672 echo
|
|
|
673 echo '// Signals'
|
|
|
674 echo 'const ('
|
|
|
675 cat _error.out | grep -f _signal.grep | sed 's/=\(.*\)/= syscall.Signal(\1)/'
|
|
|
676 echo ')'
|
|
|
677
|
|
|
678 # Run C program to print error and syscall strings.
|
|
|
679 (
|
|
|
680 echo -E "
|
|
|
681 #include <stdio.h>
|
|
|
682 #include <stdlib.h>
|
|
|
683 #include <errno.h>
|
|
|
684 #include <ctype.h>
|
|
|
685 #include <string.h>
|
|
|
686 #include <signal.h>
|
|
|
687
|
|
|
688 #define nelem(x) (sizeof(x)/sizeof((x)[0]))
|
|
|
689
|
|
|
690 enum { A = 'A', Z = 'Z', a = 'a', z = 'z' }; // avoid need for single quotes below
|
|
|
691
|
|
|
692 struct tuple {
|
|
|
693 int num;
|
|
|
694 const char *name;
|
|
|
695 };
|
|
|
696
|
|
|
697 struct tuple errors[] = {
|
|
|
698 "
|
|
|
699 for i in $errors
|
|
|
700 do
|
|
|
701 echo -E ' {'$i', "'$i'" },'
|
|
|
702 done
|
|
|
703
|
|
|
704 echo -E "
|
|
|
705 };
|
|
|
706
|
|
|
707 struct tuple signals[] = {
|
|
|
708 "
|
|
|
709 for i in $signals
|
|
|
710 do
|
|
|
711 echo -E ' {'$i', "'$i'" },'
|
|
|
712 done
|
|
|
713
|
|
|
714 # Use -E because on some systems bash builtin interprets \n itself.
|
|
|
715 echo -E '
|
|
|
716 };
|
|
|
717
|
|
|
718 static int
|
|
|
719 tuplecmp(const void *a, const void *b)
|
|
|
720 {
|
|
|
721 return ((struct tuple *)a)->num - ((struct tuple *)b)->num;
|
|
|
722 }
|
|
|
723
|
|
|
724 int
|
|
|
725 main(void)
|
|
|
726 {
|
|
|
727 int i, e;
|
|
|
728 char buf[1024], *p;
|
|
|
729
|
|
|
730 printf("\n\n// Error table\n");
|
|
|
731 printf("var errorList = [...]struct {\n");
|
|
|
732 printf("\tnum syscall.Errno\n");
|
|
|
733 printf("\tname string\n");
|
|
|
734 printf("\tdesc string\n");
|
|
|
735 printf("} {\n");
|
|
|
736 qsort(errors, nelem(errors), sizeof errors[0], tuplecmp);
|
|
|
737 for(i=0; i<nelem(errors); i++) {
|
|
|
738 e = errors[i].num;
|
|
|
739 if(i > 0 && errors[i-1].num == e)
|
|
|
740 continue;
|
|
|
741 strcpy(buf, strerror(e));
|
|
|
742 // lowercase first letter: Bad -> bad, but STREAM -> STREAM.
|
|
|
743 if(A <= buf[0] && buf[0] <= Z && a <= buf[1] && buf[1] <= z)
|
|
|
744 buf[0] += a - A;
|
|
|
745 printf("\t{ %d, \"%s\", \"%s\" },\n", e, errors[i].name, buf);
|
|
|
746 }
|
|
|
747 printf("}\n\n");
|
|
|
748
|
|
|
749 printf("\n\n// Signal table\n");
|
|
|
750 printf("var signalList = [...]struct {\n");
|
|
|
751 printf("\tnum syscall.Signal\n");
|
|
|
752 printf("\tname string\n");
|
|
|
753 printf("\tdesc string\n");
|
|
|
754 printf("} {\n");
|
|
|
755 qsort(signals, nelem(signals), sizeof signals[0], tuplecmp);
|
|
|
756 for(i=0; i<nelem(signals); i++) {
|
|
|
757 e = signals[i].num;
|
|
|
758 if(i > 0 && signals[i-1].num == e)
|
|
|
759 continue;
|
|
|
760 strcpy(buf, strsignal(e));
|
|
|
761 // lowercase first letter: Bad -> bad, but STREAM -> STREAM.
|
|
|
762 if(A <= buf[0] && buf[0] <= Z && a <= buf[1] && buf[1] <= z)
|
|
|
763 buf[0] += a - A;
|
|
|
764 // cut trailing : number.
|
|
|
765 p = strrchr(buf, ":"[0]);
|
|
|
766 if(p)
|
|
|
767 *p = '\0';
|
|
|
768 printf("\t{ %d, \"%s\", \"%s\" },\n", e, signals[i].name, buf);
|
|
|
769 }
|
|
|
770 printf("}\n\n");
|
|
|
771
|
|
|
772 return 0;
|
|
|
773 }
|
|
|
774
|
|
|
775 '
|
|
|
776 ) >_errors.c
|
|
|
777
|
|
|
778 $CC $ccflags -o _errors _errors.c && $GORUN ./_errors && rm -f _errors.c _errors _const.go _error.grep _signal.grep _error.out
|
