# from: @(#)makesyscalls.sh 7.6 (Berkeley) 4/20/91
# $Id: makesyscalls.sh,v 1.2 1993/10/16 15:24:36 rgrimes Exp $
syshdr
="../sys/syscall.h"
syscompat
="sysent.compat"
trap "rm $sysdcl $syscompat $sysent" 0
0) echo "Usage: $0 input-file" 1>&2
syscompat = \"$syscompat\"
printf "#ifndef _SYS_SYSCALL_H_\n" > syshdr
printf "#define _SYS_SYSCALL_H_ 1\n" > syshdr
printf "/*\n * System call switch table.\n *\n" > sysdcl
printf " * DO NOT EDIT-- this file is automatically generated.\n" > sysdcl
printf "\n#ifdef %s\n", compat > syscompat
printf "#define compat(n, name) n, __CONCAT(o,name)\n\n" > syscompat
printf "/*\n * System call names.\n *\n" > sysnames
printf " * DO NOT EDIT-- this file is automatically generated.\n" > sysnames
printf "/*\n * System call numbers.\n *\n" > syshdr
printf " * DO NOT EDIT-- this file is automatically generated.\n" > syshdr
printf " * created from%s\n */\n\n", $0 > sysdcl
printf "#include \"param.h\"\n" > sysdcl
printf "#include \"systm.h\"\n\n" > sysdcl
printf "int\tnosys();\n\n" > sysdcl
printf "struct sysent sysent[] = {\n" > sysent
printf " * created from%s\n */\n\n", $0 > sysnames
printf "char *syscallnames[] = {\n" > sysnames
printf " * created from%s\n */\n\n", $0 > syshdr
printf "%s: line %d: syscall number out of sync at %d\n", \
for (i = 5; i <= NF; i++)
printf("int\t%s();\n", $4) > sysdcl
printf("\t%d, %s,\t\t\t/* %d = %s */\n", \
$3, $4, syscall, $5) > sysent
printf("\t\"%s\",\t\t\t/* %d = %s */\n", \
$5, syscall, $5) > sysnames
printf("#define\tSYS_%s\t%d\n", \
printf("int\to%s();\n", $4) > syscompat
printf("\tcompat(%d,%s),\t\t/* %d = old %s */\n", \
$3, $4, syscall, $5) > sysent
printf("\t\"old.%s\",\t\t/* %d = old %s */\n", \
$5, syscall, $5) > sysnames
printf("\t\t\t\t/* %d is old %s */\n", \
syscall, comment) > syshdr
printf("int\to%s();\n", $4) > syscompat
printf("\tcompat(%d,%s),\t\t/* %d = old %s */\n", \
$3, $4, syscall, $5) > sysent
printf("\t\"old.%s\",\t\t/* %d = old %s */\n", \
$5, syscall, $5) > sysnames
printf("#define\tSYS_%s\t%d\t/* compatibility; still used by libc */\n", \
printf("\t0, nosys,\t\t\t/* %d = obsolete %s */\n", \
syscall, comment) > sysent
printf("\t\"obs_%s\",\t\t\t/* %d = obsolete %s */\n", \
$4, syscall, comment) > sysnames
printf("\t\t\t\t/* %d is obsolete %s */\n", \
syscall, comment) > syshdr
printf("\t0, nosys,\t\t\t/* %d = %s */\n", \
syscall, comment) > sysent
printf("\t\"#%d\",\t\t\t/* %d = %s */\n", \
syscall, syscall, comment) > sysnames
printf "%s: line %d: unrecognized keyword %s\n", infile, NR, $2
printf("\n#else /* %s */\n", compat) > syscompat
printf("#define compat(n, name) 0, nosys\n") > syscompat
printf("#endif /* %s */\n\n", compat) > syscompat
printf("#endif /* _SYS_SYSCALL_H_ */") > syshdr
printf("};\n\n") > sysent
printf("int\tnsysent = sizeof(sysent) / sizeof(sysent[0]);\n") > sysent
printf("};\n") > sysnames
cat $sysdcl $syscompat $sysent >$syssw
chmod 444 $sysnames $syshdr $syssw