makesyscalls.sh revision 1.10
1 #! /bin/sh - 2 # $NetBSD: makesyscalls.sh,v 1.10 1994/06/30 16:43:01 cgd Exp $ 3 # 4 # @(#)makesyscalls.sh 8.1 (Berkeley) 6/10/93 5 6 set -e 7 8 # name of compat option: 9 compat=COMPAT_43 10 ncompat=COMPAT_09 11 12 # output files: 13 sysnames="syscalls.c" 14 syshdr="../sys/syscall.h" 15 syssw="init_sysent.c" 16 17 # tmp files: 18 sysdcl="sysent.dcl" 19 syscompat="sysent.compat" 20 sysncompat="sysent.ncompat" 21 sysent="sysent.switch" 22 23 trap "rm $sysdcl $syscompat $sysncompat $sysent" 0 24 25 case $# in 26 0) echo "Usage: $0 input-file" 1>&2 27 exit 1 28 ;; 29 esac 30 31 awk < $1 " 32 BEGIN { 33 sysdcl = \"$sysdcl\" 34 syscompat = \"$syscompat\" 35 sysncompat = \"$sysncompat\" 36 sysent = \"$sysent\" 37 sysnames = \"$sysnames\" 38 syshdr = \"$syshdr\" 39 compat = \"$compat\" 40 ncompat = \"$ncompat\" 41 infile = \"$1\" 42 "' 43 44 printf "/*\n * System call switch table.\n *\n" > sysdcl 45 printf " * DO NOT EDIT-- this file is automatically generated.\n" > sysdcl 46 47 printf "\n#ifdef %s\n", compat > syscompat 48 printf "#define compat(n, name) n, __CONCAT(o,name)\n\n" > syscompat 49 50 printf "\n#ifdef %s\n", ncompat > sysncompat 51 printf "#define ncompat(n, name) n, __CONCAT(o,name)\n\n" > sysncompat 52 53 printf "/*\n * System call names.\n *\n" > sysnames 54 printf " * DO NOT EDIT-- this file is automatically generated.\n" > sysnames 55 56 printf "/*\n * System call numbers.\n *\n" > syshdr 57 printf " * DO NOT EDIT-- this file is automatically generated.\n" > syshdr 58 } 59 NR == 1 { 60 printf " * created from: NetBSD %s %s %s %s\n */\n\n",$2,$3,$4,$5 > sysdcl 61 printf "#include <sys/param.h>\n" > sysdcl 62 printf "#include <sys/systm.h>\n\n" > sysdcl 63 printf "int\tnosys();\n\n" > sysdcl 64 65 printf "struct sysent sysent[] = {\n" > sysent 66 67 printf " * created from: NetBSD %s %s %s %s\n */\n\n",$2,$3,$4,$5 > sysnames 68 printf "char *syscallnames[] = {\n" > sysnames 69 70 printf " * created from: NetBSD %s %s %s %s\n */\n\n",$2,$3,$4,$5 > syshdr 71 next 72 } 73 NF == 0 || $1 ~ /^;/ { 74 next 75 } 76 $1 ~ /^#[ ]*if/ { 77 print > sysent 78 print > sysdcl 79 print > syscompat 80 print > sysnames 81 savesyscall = syscall 82 next 83 } 84 $1 ~ /^#[ ]*else/ { 85 print > sysent 86 print > sysdcl 87 print > syscompat 88 print > sysnames 89 syscall = savesyscall 90 next 91 } 92 $1 ~ /^#/ { 93 print > sysent 94 print > sysdcl 95 print > syscompat 96 print > sysnames 97 next 98 } 99 syscall != $1 { 100 printf "%s: line %d: syscall number out of sync at %d\n", \ 101 infile, NR, syscall 102 printf "line is:\n" 103 print 104 exit 1 105 } 106 { comment = $4 107 for (i = 5; i <= NF; i++) 108 comment = comment " " $i 109 if (NF < 5) 110 $5 = $4 111 } 112 $2 == "STD" || $2 == "NODEF" { 113 printf("int\t%s();\n", $4) > sysdcl 114 printf("\t{ %d, %s },\t\t\t/* %d = %s */\n", \ 115 $3, $4, syscall, $5) > sysent 116 printf("\t\"%s\",\t\t\t/* %d = %s */\n", \ 117 $5, syscall, $5) > sysnames 118 if ($2 == "STD") 119 printf("#define\tSYS_%s\t%d\n", \ 120 $5, syscall) > syshdr 121 syscall++ 122 next 123 } 124 $2 == "COMPAT" { 125 printf("int\to%s();\n", $4) > syscompat 126 printf("\t{ compat(%d,%s) },\t\t/* %d = old %s */\n", \ 127 $3, $4, syscall, $5) > sysent 128 printf("\t\"old.%s\",\t\t/* %d = old %s */\n", \ 129 $5, syscall, $5) > sysnames 130 printf("\t\t\t\t/* %d is old %s */\n", \ 131 syscall, comment) > syshdr 132 syscall++ 133 next 134 } 135 $2 == "NCOMPAT" { 136 printf("int\to%s();\n", $4) > sysncompat 137 printf("\t{ ncompat(%d,%s) },\t\t/* %d = old %s */\n", \ 138 $3, $4, syscall, $5) > sysent 139 printf("\t\"old.%s\",\t\t/* %d = old %s */\n", \ 140 $5, syscall, $5) > sysnames 141 printf("\t\t\t\t/* %d is old %s */\n", \ 142 syscall, comment) > syshdr 143 syscall++ 144 next 145 } 146 $2 == "LIBCOMPAT" { 147 printf("int\to%s();\n", $4) > syscompat 148 printf("\t{ compat(%d,%s) },\t\t/* %d = old %s */\n", \ 149 $3, $4, syscall, $5) > sysent 150 printf("\t\"old.%s\",\t\t/* %d = old %s */\n", \ 151 $5, syscall, $5) > sysnames 152 printf("#define\tSYS_%s\t%d\t/* compatibility; still used by libc */\n", \ 153 $5, syscall) > syshdr 154 syscall++ 155 next 156 } 157 $2 == "OBSOL" { 158 printf("\t{ 0, nosys },\t\t\t/* %d = obsolete %s */\n", \ 159 syscall, comment) > sysent 160 printf("\t\"obs_%s\",\t\t\t/* %d = obsolete %s */\n", \ 161 $4, syscall, comment) > sysnames 162 printf("\t\t\t\t/* %d is obsolete %s */\n", \ 163 syscall, comment) > syshdr 164 syscall++ 165 next 166 } 167 $2 == "UNIMPL" { 168 printf("\t{ 0, nosys },\t\t\t/* %d = %s */\n", \ 169 syscall, comment) > sysent 170 printf("\t\"#%d\",\t\t\t/* %d = %s */\n", \ 171 syscall, syscall, comment) > sysnames 172 syscall++ 173 next 174 } 175 { 176 printf "%s: line %d: unrecognized keyword %s\n", infile, NR, $2 177 exit 1 178 } 179 END { 180 printf("\n#else /* %s */\n", compat) > syscompat 181 printf("#define compat(n, name) 0, nosys\n") > syscompat 182 printf("#endif /* %s */\n\n", compat) > syscompat 183 184 printf("\n#else /* %s */\n", compat) > sysncompat 185 printf("#define ncompat(n, name) 0, nosys\n") > sysncompat 186 printf("#endif /* %s */\n\n", compat) > sysncompat 187 188 printf("};\n\n") > sysent 189 printf("int\tnsysent = sizeof(sysent) / sizeof(sysent[0]);\n") > sysent 190 191 printf("};\n") > sysnames 192 } ' 193 194 cat $sysdcl $syscompat $sysncompat $sysent >$syssw 195 196 #chmod 444 $sysnames $syshdr $syssw 197
Indexes created Sun Oct 12 09:09:55 GMT 2025