X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/5d5c5d0d5b79ade9a973d55186ffda2638ba2b6e..04b8595b18b1b41ac7a206e4b3d51a635f8413d7:/bsd/kern/makesyscalls.sh diff --git a/bsd/kern/makesyscalls.sh b/bsd/kern/makesyscalls.sh index becc033b4..13d56f58a 100755 --- a/bsd/kern/makesyscalls.sh +++ b/bsd/kern/makesyscalls.sh @@ -2,44 +2,47 @@ # @(#)makesyscalls.sh 8.1 (Berkeley) 6/10/93 # $FreeBSD: src/sys/kern/makesyscalls.sh,v 1.60 2003/04/01 01:12:24 jeff Exp $ # -# Copyright (c) 2004 Apple Computer, Inc. All rights reserved. +# Copyright (c) 2004-2008 Apple Inc. All rights reserved. # -# @APPLE_LICENSE_OSREFERENCE_HEADER_START@ +# @APPLE_OSREFERENCE_LICENSE_HEADER_START@ # -# This file contains Original Code and/or Modifications of Original Code -# as defined in and that are subject to the Apple Public Source License -# Version 2.0 (the 'License'). You may not use this file except in -# compliance with the License. The rights granted to you under the -# License may not be used to create, or enable the creation or -# redistribution of, unlawful or unlicensed copies of an Apple operating -# system, or to circumvent, violate, or enable the circumvention or -# violation of, any terms of an Apple operating system software license -# agreement. -# -# Please obtain a copy of the License at -# http://www.opensource.apple.com/apsl/ and read it before using this +# This file contains Original Code and/or Modifications of Original Code +# as defined in and that are subject to the Apple Public Source License +# Version 2.0 (the 'License'). You may not use this file except in +# compliance with the License. Please obtain a copy of the License at +# http://www.opensource.apple.com/apsl/ and read it before using this # file. -# -# The Original Code and all software distributed under the License are -# distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER -# EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, -# INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, -# FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. -# Please see the License for the specific language governing rights and +# +# The Original Code and all software distributed under the License are +# distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER +# EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, +# INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. +# Please see the License for the specific language governing rights and # limitations under the License. -# -# @APPLE_LICENSE_OSREFERENCE_HEADER_END@ +# +# @APPLE_OSREFERENCE_LICENSE_HEADER_END@ # set -e +input_file="" # first argument + +# output type: +output_syscallnamesfile=0 +output_sysprotofile=0 +output_syshdrfile=0 +output_syscalltablefile=0 +output_auditevfile=0 + # output files: syscallnamesfile="syscalls.c" -sysprotofile="../sys/sysproto.h" +sysprotofile="sysproto.h" sysproto_h=_SYS_SYSPROTO_H_ -syshdrfile="../sys/syscall.h" +syshdrfile="syscall.h" syscall_h=_SYS_SYSCALL_H_ syscalltablefile="init_sysent.c" +auditevfile="audit_kevents.c" syscallprefix="SYS_" switchname="sysent" namesname="syscallnames" @@ -52,21 +55,55 @@ sysarg="sysarg.switch.$$" sysprotoend="sysprotoend.$$" syscallnamestempfile="syscallnamesfile.$$" syshdrtempfile="syshdrtempfile.$$" +audittempfile="audittempfile.$$" -trap "rm $syslegal $sysent $sysinc $sysarg $sysprotoend $syscallnamestempfile $syshdrtempfile" 0 +trap "rm $syslegal $sysent $sysinc $sysarg $sysprotoend $syscallnamestempfile $syshdrtempfile $audittempfile" 0 -touch $syslegal $sysent $sysinc $sysarg $sysprotoend $syscallnamestempfile $syshdrtempfile +touch $syslegal $sysent $sysinc $sysarg $sysprotoend $syscallnamestempfile $syshdrtempfile $audittempfile case $# in - 0) echo "usage: $0 input-file " 1>&2 + 0) + echo "usage: $0 input-file [ []]" 1>&2 exit 1 ;; esac -if [ -n "$2" -a -f "$2" ]; then - . $2 +input_file="$1" +shift + +if [ -n "$1" ]; then + case $1 in + names) + output_syscallnamesfile=1 + ;; + proto) + output_sysprotofile=1 + ;; + header) + output_syshdrfile=1 + ;; + table) + output_syscalltablefile=1 + ;; + audit) + output_auditevfile=1 + ;; + esac + shift; +else + output_syscallnamesfile=1 + output_sysprotofile=1 + output_syshdrfile=1 + output_syscalltablefile=1 + output_auditevfile=1 fi +if [ -n "$1" -a -f "$1" ]; then + . $1 +fi + + + sed -e ' s/\$//g :join @@ -77,9 +114,9 @@ s/\$//g b join } 2,${ - /^#/!s/\([{}()*,]\)/ \1 /g + /^#/!s/\([{}()*,;]\)/ \1 /g } -' < $1 | awk " +' < "$input_file" | awk " BEGIN { syslegal = \"$syslegal\" sysprotofile = \"$sysprotofile\" @@ -94,40 +131,39 @@ s/\$//g syscallnamestempfile = \"$syscallnamestempfile\" syshdrfile = \"$syshdrfile\" syshdrtempfile = \"$syshdrtempfile\" + audittempfile = \"$audittempfile\" syscallprefix = \"$syscallprefix\" switchname = \"$switchname\" namesname = \"$namesname\" - infile = \"$1\" + infile = \"$input_file\" "' printf "/*\n" > syslegal - printf " * Copyright (c) 2006 Apple Computer, Inc. All rights reserved.\n" > syslegal + printf " * Copyright (c) 2004-2008 Apple Inc. All rights reserved.\n" > syslegal printf " * \n" > syslegal - printf " * @APPLE_LICENSE_OSREFERENCE_HEADER_START@ \n" > syslegal + printf " * @APPLE_OSREFERENCE_LICENSE_HEADER_START@\n" > syslegal printf " * \n" > syslegal - printf " * This file contains Original Code and/or Modifications of Original Code \n" > syslegal - printf " * as defined in and that are subject to the Apple Public Source License \n" > syslegal - printf " * Version 2.0 (the \"License\"). You may not use this file except in \n" > syslegal - printf " * compliance with the License. The rights granted to you under the \n" > syslegal - printf " * License may not be used to create, or enable the creation or \n" > syslegal - printf " * redistribution of, unlawful or unlicensed copies of an Apple operating \n" > syslegal - printf " * system, or to circumvent, violate, or enable the circumvention or \n" > syslegal - printf " * violation of, any terms of an Apple operating system software license \n" > syslegal - printf " * agreement. \n" > syslegal + printf " * This file contains Original Code and/or Modifications of Original Code\n" > syslegal + printf " * as defined in and that are subject to the Apple Public Source License\n" > syslegal + printf " * Version 2.0 (the \047License\047). You may not use this file except in\n" > syslegal + printf " * compliance with the License. The rights granted to you under the License\n" > syslegal + printf " * may not be used to create, or enable the creation or redistribution of,\n" > syslegal + printf " * unlawful or unlicensed copies of an Apple operating system, or to\n" > syslegal + printf " * circumvent, violate, or enable the circumvention or violation of, any\n" > syslegal + printf " * terms of an Apple operating system software license agreement.\n" > syslegal printf " * \n" > syslegal - printf " * Please obtain a copy of the License at \n" > syslegal - printf " * http://www.opensource.apple.com/apsl/ and read it before using this \n" > syslegal - printf " * file. \n" > syslegal + printf " * Please obtain a copy of the License at\n" > syslegal + printf " * http://www.opensource.apple.com/apsl/ and read it before using this file.\n" > syslegal printf " * \n" > syslegal - printf " * The Original Code and all software distributed under the License are \n" > syslegal - printf " * distributed on an \"AS IS\" basis, WITHOUT WARRANTY OF ANY KIND, EITHER \n" > syslegal - printf " * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, \n" > syslegal - printf " * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, \n" > syslegal - printf " * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. \n" > syslegal - printf " * Please see the License for the specific language governing rights and \n" > syslegal - printf " * limitations under the License. \n" > syslegal + printf " * The Original Code and all software distributed under the License are\n" > syslegal + printf " * distributed on an \047AS IS\047 basis, WITHOUT WARRANTY OF ANY KIND, EITHER\n" > syslegal + printf " * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,\n" > syslegal + printf " * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,\n" > syslegal + printf " * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.\n" > syslegal + printf " * Please see the License for the specific language governing rights and\n" > syslegal + printf " * limitations under the License.\n" > syslegal printf " * \n" > syslegal - printf " * @APPLE_LICENSE_OSREFERENCE_HEADER_END@ \n" > syslegal + printf " * @APPLE_OSREFERENCE_LICENSE_HEADER_END@\n" > syslegal printf " * \n" > syslegal printf " * \n" > syslegal printf " * System call switch table.\n *\n" > syslegal @@ -136,7 +172,7 @@ s/\$//g } NR == 1 { printf "\n/* The casts are bogus but will do for now. */\n" > sysent - printf "__private_extern__ struct sysent %s[] = {\n",switchname > sysent + printf "__private_extern__ const struct sysent %s[] = {\n",switchname > sysent printf "#ifndef %s\n", sysproto_h > sysarg printf "#define\t%s\n\n", sysproto_h > sysarg @@ -151,11 +187,21 @@ s/\$//g printf "#include \n" > sysarg printf "#include \n" > sysarg printf "#include \n" > sysarg - printf "#include \n" > sysarg + printf "#include \n" > sysarg printf "\n#ifdef KERNEL\n" > sysarg printf "#ifdef __APPLE_API_PRIVATE\n" > sysarg + printf "/*\n" > sysarg + printf " * The kernel may support multiple userspace ABIs, and must use\n" > sysarg + printf " * argument structures with elements large enough for any of them.\n" > sysarg + printf "*/\n" > sysarg + printf "\n" > sysarg + printf "#if CONFIG_REQUIRES_U32_MUNGING\n" > sysarg printf "#define\tPAD_(t)\t(sizeof(uint64_t) <= sizeof(t) \\\n " > sysarg printf "\t\t? 0 : sizeof(uint64_t) - sizeof(t))\n" > sysarg + printf "#else\n" > sysarg + printf "#define\tPAD_(t)\t(sizeof(uint32_t) <= sizeof(t) \\\n" > sysarg + printf " ? 0 : sizeof(uint32_t) - sizeof(t))\n" > sysarg + printf "#endif\n" > sysarg printf "#if BYTE_ORDER == LITTLE_ENDIAN\n"> sysarg printf "#define\tPADL_(t)\t0\n" > sysarg printf "#define\tPADR_(t)\tPAD_(t)\n" > sysarg @@ -164,49 +210,18 @@ s/\$//g printf "#define\tPADR_(t)\t0\n" > sysarg printf "#endif\n" > sysarg printf "\n__BEGIN_DECLS\n" > sysarg - printf "#ifndef __MUNGE_ONCE\n" > sysarg - printf "#define __MUNGE_ONCE\n" > sysarg - printf "void munge_w(const void *, void *); \n" > sysarg - printf "void munge_ww(const void *, void *); \n" > sysarg - printf "void munge_www(const void *, void *); \n" > sysarg - printf "void munge_wwww(const void *, void *); \n" > sysarg - printf "void munge_wwwww(const void *, void *); \n" > sysarg - printf "void munge_wwwwww(const void *, void *); \n" > sysarg - printf "void munge_wwwwwww(const void *, void *); \n" > sysarg - printf "void munge_wwwwwwww(const void *, void *); \n" > sysarg - printf "void munge_wl(const void *, void *); \n" > sysarg - printf "void munge_wlw(const void *, void *); \n" > sysarg - printf "void munge_wwwl(const void *, void *); \n" > sysarg - printf "void munge_wwwlww(const void *, void *); \n" > sysarg - printf "void munge_wwwwl(const void *, void *); \n" > sysarg - printf "void munge_wwwwwl(const void *, void *); \n" > sysarg - printf "void munge_wsw(const void *, void *); \n" > sysarg - printf "void munge_wws(const void *, void *); \n" > sysarg - printf "void munge_wwwsw(const void *, void *); \n" > sysarg - printf "#ifdef __ppc__\n" > sysarg - printf "void munge_d(const void *, void *); \n" > sysarg - printf "void munge_dd(const void *, void *); \n" > sysarg - printf "void munge_ddd(const void *, void *); \n" > sysarg - printf "void munge_dddd(const void *, void *); \n" > sysarg - printf "void munge_ddddd(const void *, void *); \n" > sysarg - printf "void munge_dddddd(const void *, void *); \n" > sysarg - printf "void munge_ddddddd(const void *, void *); \n" > sysarg - printf "void munge_dddddddd(const void *, void *); \n" > sysarg - printf "#else \n" > sysarg - printf "#define munge_d NULL \n" > sysarg - printf "#define munge_dd NULL \n" > sysarg - printf "#define munge_ddd NULL \n" > sysarg - printf "#define munge_dddd NULL \n" > sysarg - printf "#define munge_ddddd NULL \n" > sysarg - printf "#define munge_dddddd NULL \n" > sysarg - printf "#define munge_ddddddd NULL \n" > sysarg - printf "#define munge_dddddddd NULL \n" > sysarg - printf "#endif // __ppc__\n" > sysarg - printf "#endif /* !__MUNGE_ONCE */\n" > sysarg + printf "#include \n" > sysarg printf "\n" > sysarg printf "const char *%s[] = {\n", namesname > syscallnamestempfile + + printf "#include \n" > audittempfile + printf "#include \n\n" > audittempfile + printf "#include \n" > audittempfile + printf "#include \n\n" > audittempfile + printf "#if CONFIG_AUDIT\n\n" > audittempfile + printf "au_event_t sys_au_event[] = {\n" > audittempfile next } NF == 0 || $1 ~ /^;/ { @@ -220,31 +235,34 @@ s/\$//g print > sysent print > sysarg print > syscallnamestempfile - print > syshdrtempfile print > sysprotoend - savesyscall = syscall + print > audittempfile + savesyscall = syscall_num + skip_for_header = 0 next } $1 ~ /^#[ ]*else/ { print > sysent print > sysarg print > syscallnamestempfile - print > syshdrtempfile print > sysprotoend - syscall = savesyscall + print > audittempfile + syscall_num = savesyscall + skip_for_header = 1 next } $1 ~ /^#/ { print > sysent print > sysarg print > syscallnamestempfile - print > syshdrtempfile print > sysprotoend + print > audittempfile + skip_for_header = 0 next } - syscall != $1 { + syscall_num != $1 { printf "%s: line %d: syscall number out of sync at %d\n", - infile, NR, syscall + infile, NR, syscall_num printf "line is:\n" print exit 1 @@ -264,7 +282,7 @@ s/\$//g function parseline() { funcname = "" - current_field = 5 + current_field = 4 # skip number, audit event, type args_start = 0 args_end = 0 comments_start = 0 @@ -315,6 +333,11 @@ s/\$//g if ($args_end != ";") parserr($args_end, ";") args_end-- + + # skip any NO_SYSCALL_STUB qualifier + if ($args_end == "NO_SYSCALL_STUB") + args_end-- + if ($args_end != ")") parserr($args_end, ")") args_end-- @@ -375,80 +398,47 @@ s/\$//g if (argc != 0) argssize = "AC(" argalias ")" } - + + { + auditev = $2; + } + { add_sysent_entry = 1 add_sysnames_entry = 1 add_sysheader_entry = 1 add_sysproto_entry = 1 - add_64bit_unsafe = 0 - add_64bit_fakesafe = 0 - add_cancel_enable = "0" - - if ($2 == "NONE") { - add_cancel_enable = "_SYSCALL_CANCEL_NONE" - } - else if ($2 == "PRE") { - add_cancel_enable = "_SYSCALL_CANCEL_PRE" - } - else if ($2 == "POST") { - add_cancel_enable = "_SYSCALL_CANCEL_POST" - } - else { - printf "%s: line %d: unrecognized keyword %s\n", infile, NR, $2 - exit 1 - } - if ($3 == "KERN") { - my_funnel = "KERNEL_FUNNEL" - } - else if ($3 == "NONE") { - my_funnel = "NO_FUNNEL" - } - else { - printf "%s: line %d: unrecognized keyword %s\n", infile, NR, $3 - exit 1 - } - - if ($4 != "ALL" && $4 != "UALL") { + if ($3 != "ALL") { files_keyword_OK = 0 add_sysent_entry = 0 add_sysnames_entry = 0 add_sysheader_entry = 0 add_sysproto_entry = 0 - if (match($4, "[T]") != 0) { + if (match($3, "[T]") != 0) { add_sysent_entry = 1 files_keyword_OK = 1 } - if (match($4, "[N]") != 0) { + if (match($3, "[N]") != 0) { add_sysnames_entry = 1 files_keyword_OK = 1 } - if (match($4, "[H]") != 0) { + if (match($3, "[H]") != 0) { add_sysheader_entry = 1 files_keyword_OK = 1 } - if (match($4, "[P]") != 0) { + if (match($3, "[P]") != 0) { add_sysproto_entry = 1 files_keyword_OK = 1 } - if (match($4, "[U]") != 0) { - add_64bit_unsafe = 1 - } - if (match($4, "[F]") != 0) { - add_64bit_fakesafe = 1 - } if (files_keyword_OK == 0) { - printf "%s: line %d: unrecognized keyword %s\n", infile, NR, $4 + printf "%s: line %d: unrecognized keyword %s\n", infile, NR, $2 exit 1 } } - else if ($4 == "UALL") { - add_64bit_unsafe = 1; - } parseline() @@ -456,72 +446,69 @@ s/\$//g # output function argument structures to sysproto.h and build the # name of the appropriate argument mungers munge32 = "NULL" - munge64 = "NULL" - if (funcname != "nosys" || (syscall == 0 && funcname == "nosys")) { + size32 = 0 + + if ((funcname != "nosys" && funcname != "enosys") || (syscall_num == 0 && funcname == "nosys")) { if (argc != 0) { if (add_sysproto_entry == 1) { printf("struct %s {\n", argalias) > sysarg } munge32 = "munge_" - munge64 = "munge_" for (i = 1; i <= argc; i++) { # Build name of argument munger. # We account for all sys call argument types here. # This is where you add any new types. With LP64 support # each argument consumes 64-bits. - # see .../xnu/bsd/dev/ppc/munge.s for munge argument types. + # see .../xnu/bsd/dev/munge.c for munge argument types. if (argtype[i] == "long") { - if (add_64bit_unsafe == 0) - ext_argtype[i] = "user_long_t"; + ext_argtype[i] = "user_long_t"; munge32 = munge32 "s" - munge64 = munge64 "d" + size32 += 4 } else if (argtype[i] == "u_long") { - if (add_64bit_unsafe == 0) - ext_argtype[i] = "user_ulong_t"; + ext_argtype[i] = "user_ulong_t"; munge32 = munge32 "w" - munge64 = munge64 "d" + size32 += 4 } else if (argtype[i] == "size_t") { - if (add_64bit_unsafe == 0) - ext_argtype[i] = "user_size_t"; + ext_argtype[i] = "user_size_t"; munge32 = munge32 "w" - munge64 = munge64 "d" + size32 += 4 } else if (argtype[i] == "ssize_t") { - if (add_64bit_unsafe == 0) - ext_argtype[i] = "user_ssize_t"; + ext_argtype[i] = "user_ssize_t"; munge32 = munge32 "s" - munge64 = munge64 "d" + size32 += 4 } else if (argtype[i] == "user_ssize_t" || argtype[i] == "user_long_t") { munge32 = munge32 "s" - munge64 = munge64 "d" + size32 += 4 } else if (argtype[i] == "user_addr_t" || argtype[i] == "user_size_t" || argtype[i] == "user_ulong_t") { munge32 = munge32 "w" - munge64 = munge64 "d" + size32 += 4 } else if (argtype[i] == "caddr_t" || argtype[i] == "semun_t" || - match(argtype[i], "[\*]") != 0) { - if (add_64bit_unsafe == 0) - ext_argtype[i] = "user_addr_t"; + argtype[i] == "uuid_t" || match(argtype[i], "[\*]") != 0) { + ext_argtype[i] = "user_addr_t"; munge32 = munge32 "w" - munge64 = munge64 "d" + size32 += 4 } else if (argtype[i] == "int" || argtype[i] == "u_int" || argtype[i] == "uid_t" || argtype[i] == "pid_t" || argtype[i] == "id_t" || argtype[i] == "idtype_t" || argtype[i] == "socklen_t" || argtype[i] == "uint32_t" || argtype[i] == "int32_t" || - argtype[i] == "sigset_t" || argtype[i] == "gid_t" || - argtype[i] == "mode_t" || argtype[i] == "key_t" || argtype[i] == "time_t") { + argtype[i] == "sigset_t" || argtype[i] == "gid_t" || argtype[i] == "unsigned int" || + argtype[i] == "mode_t" || argtype[i] == "key_t" || + argtype[i] == "mach_port_name_t" || argtype[i] == "au_asid_t" || + argtype[i] == "associd_t" || argtype[i] == "connid_t") { munge32 = munge32 "w" - munge64 = munge64 "d" + size32 += 4 } else if (argtype[i] == "off_t" || argtype[i] == "int64_t" || argtype[i] == "uint64_t") { munge32 = munge32 "l" - munge64 = munge64 "d" + size32 += 8 } else { printf "%s: line %d: invalid type \"%s\" \n", @@ -543,7 +530,7 @@ s/\$//g } } else if (add_sysproto_entry == 1) { - printf("struct %s {\n\tregister_t dummy;\n};\n", argalias) > sysarg + printf("struct %s {\n\tint32_t dummy;\n};\n", argalias) > sysarg } } @@ -552,9 +539,10 @@ s/\$//g if (add_sysent_entry == 0) { argssize = "0" munge32 = "NULL" - munge64 = "NULL" munge_ret = "_SYSCALL_RET_NONE" - tempname = "nosys" + if (tempname != "enosys") { + tempname = "nosys" + } } else { # figure out which return value type to munge @@ -570,9 +558,15 @@ s/\$//g else if (returntype == "int") { munge_ret = "_SYSCALL_RET_INT_T" } - else if (returntype == "u_int") { + else if (returntype == "u_int" || returntype == "mach_port_name_t") { + munge_ret = "_SYSCALL_RET_UINT_T" + } + else if (returntype == "uint32_t") { munge_ret = "_SYSCALL_RET_UINT_T" } + else if (returntype == "uint64_t") { + munge_ret = "_SYSCALL_RET_UINT64_T" + } else if (returntype == "off_t") { munge_ret = "_SYSCALL_RET_OFF_T" } @@ -588,78 +582,84 @@ s/\$//g } } - if (add_64bit_unsafe == 1 && add_64bit_fakesafe == 0) - my_funnel = my_funnel "|UNSAFE_64BIT"; - - printf("\t{%s, %s, %s, \(sy_call_t *\)%s, %s, %s, %s},", - argssize, add_cancel_enable, my_funnel, tempname, munge32, munge64, munge_ret) > sysent - linesize = length(argssize) + length(add_cancel_enable) + length(my_funnel) + length(tempname) + \ - length(munge32) + length(munge64) + length(munge_ret) + 28 + printf("#if CONFIG_REQUIRES_U32_MUNGING\n") > sysent + printf("\t{ \(sy_call_t *\)%s, %s, %s, %s, %s},", + tempname, munge32, munge_ret, argssize, size32) > sysent + linesize = length(tempname) + length(munge32) + \ + length(munge_ret) + length(argssize) + length(size32) + 28 align_comment(linesize, 88, sysent) - printf("/* %d = %s%s*/\n", syscall, funcname, additional_comments) > sysent + printf("/* %d = %s%s*/\n", syscall_num, funcname, additional_comments) > sysent + printf("#else\n") > sysent + printf("\t{ \(sy_call_t *\)%s, %s, %s, %s},\n", + tempname, munge_ret, argssize, size32) > sysent + printf("#endif\n") > sysent # output to syscalls.c if (add_sysnames_entry == 1) { tempname = funcname - if (funcname == "nosys") { - if (syscall == 0) + if (funcname == "nosys" || funcname == "enosys") { + if (syscall_num == 0) tempname = "syscall" else - tempname = "#" syscall + tempname = "#" syscall_num } printf("\t\"%s\", ", tempname) > syscallnamestempfile linesize = length(tempname) + 8 align_comment(linesize, 25, syscallnamestempfile) if (substr(tempname,1,1) == "#") { - printf("/* %d =%s*/\n", syscall, additional_comments) > syscallnamestempfile + printf("/* %d =%s*/\n", syscall_num, additional_comments) > syscallnamestempfile } else { - printf("/* %d = %s%s*/\n", syscall, tempname, additional_comments) > syscallnamestempfile + printf("/* %d = %s%s*/\n", syscall_num, tempname, additional_comments) > syscallnamestempfile } } # output to syscalls.h if (add_sysheader_entry == 1) { tempname = funcname - if (syscall == 0) { + if (syscall_num == 0) { tempname = "syscall" } - if (tempname != "nosys") { + if (tempname != "nosys" && tempname != "enosys") { printf("#define\t%s%s", syscallprefix, tempname) > syshdrtempfile linesize = length(syscallprefix) + length(tempname) + 12 align_comment(linesize, 30, syshdrtempfile) - printf("%d\n", syscall) > syshdrtempfile + printf("%d\n", syscall_num) > syshdrtempfile # special case for gettimeofday on ppc - cctools project uses old name if (tempname == "ppc_gettimeofday") { printf("#define\t%s%s", syscallprefix, "gettimeofday") > syshdrtempfile linesize = length(syscallprefix) + length(tempname) + 12 align_comment(linesize, 30, syshdrtempfile) - printf("%d\n", syscall) > syshdrtempfile + printf("%d\n", syscall_num) > syshdrtempfile } } - else { - printf("\t\t\t/* %d %s*/\n", syscall, additional_comments) > syshdrtempfile + else if (skip_for_header == 0) { + printf("\t\t\t/* %d %s*/\n", syscall_num, additional_comments) > syshdrtempfile } } # output function prototypes to sysproto.h if (add_sysproto_entry == 1) { if (funcname =="exit") { - printf("void %s(struct proc *, struct %s *, int *);\n", + printf("void %s(struct proc *, struct %s *, int32_t *);\n", funcname, argalias) > sysprotoend } - else if (funcname != "nosys" || (syscall == 0 && funcname == "nosys")) { + else if ((funcname != "nosys" && funcname != "enosys") || (syscall_num == 0 && funcname == "nosys")) { printf("int %s(struct proc *, struct %s *, %s *);\n", funcname, argalias, returntype) > sysprotoend } } + + # output to audit_kevents.c + printf("\t%s,\t\t", auditev) > audittempfile + printf("/* %d = %s%s*/\n", syscall_num, tempname, additional_comments) > audittempfile - syscall++ + syscall_num++ next } END { - printf "#define AC(name) (sizeof(struct name) / sizeof(uint64_t))\n" > sysinc + printf "#define AC(name) (sizeof(struct name) / sizeof(syscall_arg_t))\n" > sysinc printf "\n" > sysinc printf("\n__END_DECLS\n") > sysprotoend @@ -672,15 +672,38 @@ s/\$//g printf("};\n") > sysent printf("int nsysent = sizeof(sysent) / sizeof(sysent[0]);\n") > sysent + printf("/* Verify that NUM_SYSENT reflects the latest syscall count */\n") > sysent + printf("int nsysent_size_check[((sizeof(sysent) / sizeof(sysent[0])) == NUM_SYSENT) ? 1 : -1] __unused;\n") > sysent printf("};\n") > syscallnamestempfile - printf("#define\t%sMAXSYSCALL\t%d\n", syscallprefix, syscall) \ + printf("#define\t%sMAXSYSCALL\t%d\n", syscallprefix, syscall_num) \ > syshdrtempfile printf("\n#endif /* __APPLE_API_PRIVATE */\n") > syshdrtempfile printf("#endif /* !%s */\n", syscall_h) > syshdrtempfile + printf("};\n\n") > audittempfile + printf("#endif /* AUDIT */\n") > audittempfile } ' -cat $syslegal $sysinc $sysent > $syscalltablefile -cat $syslegal $sysarg $sysprotoend > $sysprotofile -cat $syslegal $syscallnamestempfile > $syscallnamesfile -cat $syslegal $syshdrtempfile > $syshdrfile +# define value in syscall table file to permit redifintion because of the way +# __private_extern__ (doesn't) work. +if [ $output_syscalltablefile -eq 1 ]; then + cat $syslegal > $syscalltablefile + printf "#define __INIT_SYSENT_C__ 1\n" >> $syscalltablefile + cat $sysinc $sysent >> $syscalltablefile +fi + +if [ $output_syscallnamesfile -eq 1 ]; then + cat $syslegal $syscallnamestempfile > $syscallnamesfile +fi + +if [ $output_sysprotofile -eq 1 ]; then + cat $syslegal $sysarg $sysprotoend > $sysprotofile +fi + +if [ $output_syshdrfile -eq 1 ]; then + cat $syslegal $syshdrtempfile > $syshdrfile +fi + +if [ $output_auditevfile -eq 1 ]; then + cat $syslegal $audittempfile > $auditevfile +fi