X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/4452a7af2eac33dbad800bcc91f2399d62c18f53..c6bf4f310a33a9262d455ea4d3f0630b1255e3fe:/bsd/kern/makesyscalls.sh?ds=sidebyside diff --git a/bsd/kern/makesyscalls.sh b/bsd/kern/makesyscalls.sh index 57b680fb8..ffdacf957 100755 --- a/bsd/kern/makesyscalls.sh +++ b/bsd/kern/makesyscalls.sh @@ -2,40 +2,56 @@ # @(#)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_OSREFERENCE_LICENSE_HEADER_START@ # -# The contents of this file constitute Original Code as defined in and -# are subject to the Apple Public Source License Version 1.1 (the -# "License"). You may not use this file except in compliance with the -# License. Please obtain a copy of the License at -# http://www.apple.com/publicsource and read it before using this file. +# 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. # -# This Original Code and all software distributed under the License are -# distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER +# 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 OR NON-INFRINGEMENT. Please see the -# License for the specific language governing rights and limitations -# under the License. +# 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_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_tracecodes=0 +output_systrace=0 + +use_stdout=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" - +tracecodename="syscall.codes" +systraceargsfile="systrace_args.c" # tmp files: syslegal="sysent.syslegal.$$" sysent="sysent.switch.$$" @@ -44,21 +60,67 @@ sysarg="sysarg.switch.$$" sysprotoend="sysprotoend.$$" syscallnamestempfile="syscallnamesfile.$$" syshdrtempfile="syshdrtempfile.$$" +audittempfile="audittempfile.$$" +tracecodetempfile="tracecodetempfile.$$" +systraceargstempfile="systraceargstempfile.$$" +systraceargdesctempfile="systraceargdesctempfile.$$" +systracerettempfile="systracerettempfile.$$" -trap "rm $syslegal $sysent $sysinc $sysarg $sysprotoend $syscallnamestempfile $syshdrtempfile" 0 +trap "rm $syslegal $sysent $sysinc $sysarg $sysprotoend $syscallnamestempfile $syshdrtempfile $audittempfile $tracecodetempfile $systraceargstempfile $systraceargdesctempfile $systracerettempfile" 0 -touch $syslegal $sysent $sysinc $sysarg $sysprotoend $syscallnamestempfile $syshdrtempfile +touch $syslegal $sysent $sysinc $sysarg $sysprotoend $syscallnamestempfile $syshdrtempfile $audittempfile $tracecodetempfile $systraceargstempfile $systraceargdesctempfile $systracerettempfile 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 + ;; + systrace) + output_systrace=1 + ;; + trace) + output_tracecodes=1 + use_stdout=1 + ;; + esac + shift; +else + output_syscallnamesfile=1 + output_sysprotofile=1 + output_syshdrfile=1 + output_syscalltablefile=1 + output_auditevfile=1 + output_tracecodes=1 +fi + +if [ -n "$1" -a -f "$1" ]; then + . $1 fi + + sed -e ' s/\$//g :join @@ -69,9 +131,9 @@ s/\$//g b join } 2,${ - /^#/!s/\([{}()*,]\)/ \1 /g + /^#/!s/\([{}()*,;]\)/ \1 /g } -' < $1 | awk " +' < "$input_file" | awk " BEGIN { syslegal = \"$syslegal\" sysprotofile = \"$sysprotofile\" @@ -86,32 +148,43 @@ s/\$//g syscallnamestempfile = \"$syscallnamestempfile\" syshdrfile = \"$syshdrfile\" syshdrtempfile = \"$syshdrtempfile\" + systraceargstempfile = \"$systraceargstempfile\" + systraceargdesctempfile = \"$systraceargdesctempfile\" + systracerettempfile = \"$systracerettempfile\" + audittempfile = \"$audittempfile\" + tracecodetempfile = \"$tracecodetempfile\" syscallprefix = \"$syscallprefix\" switchname = \"$switchname\" namesname = \"$namesname\" - infile = \"$1\" + infile = \"$input_file\" "' printf "/*\n" > syslegal - printf " * Copyright (c) 2004 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_OSREFERENCE_LICENSE_HEADER_START@ \n" > syslegal + printf " * @APPLE_OSREFERENCE_LICENSE_HEADER_START@\n" > syslegal printf " * \n" > syslegal - printf " * The contents of this file constitute Original Code as defined in and \n" > syslegal - printf " * are subject to the Apple Public Source License Version 1.1 (the \n" > syslegal - printf " * \"License\"). You may not use this file except in compliance with the \n" > syslegal - printf " * License. Please obtain a copy of the License at \n" > syslegal - printf " * http://www.apple.com/publicsource and read it before using this file. \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 " * This 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 OR NON-INFRINGEMENT. Please see the \n" > syslegal - printf " * License for the specific language governing rights and limitations \n" > syslegal - printf " * under the License. \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 " * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ \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_OSREFERENCE_LICENSE_HEADER_END@\n" > syslegal printf " * \n" > syslegal printf " * \n" > syslegal printf " * System call switch table.\n *\n" > syslegal @@ -120,7 +193,7 @@ 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 @@ -135,11 +208,21 @@ 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 @@ -148,49 +231,31 @@ 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 + + printf "/*\n * System call argument to DTrace register array conversion.\n */\n" > systraceargstempfile + printf "#include \n" > systraceargstempfile + printf "void\nsystrace_args(int sysnum, void *params, uint64_t *uarg)\n{\n" > systraceargstempfile + printf "\tint64_t *iarg = (int64_t *) uarg;\n" > systraceargstempfile + printf "\tswitch (sysnum) {\n" > systraceargstempfile + + printf "void\nsystrace_entry_setargdesc(int sysnum, int ndx, char *desc, size_t descsz)\n{\n\tconst char *p = NULL;\n" > systraceargdesctempfile + printf "\tswitch (sysnum) {\n" > systraceargdesctempfile + + printf "void\nsystrace_return_setargdesc(int sysnum, int ndx, char *desc, size_t descsz)\n{\n\tconst char *p = NULL;\n" > systracerettempfile + printf "\tswitch (sysnum) {\n" > systracerettempfile + next } NF == 0 || $1 ~ /^;/ { @@ -204,31 +269,43 @@ s/\$//g print > sysent print > sysarg print > syscallnamestempfile - print > syshdrtempfile print > sysprotoend - savesyscall = syscall + print > audittempfile + print > systraceargstempfile + print > systraceargdesctempfile + print > systracerettempfile + savesyscall = syscall_num + skip_for_header = 0 next } $1 ~ /^#[ ]*else/ { print > sysent print > sysarg print > syscallnamestempfile - print > syshdrtempfile print > sysprotoend - syscall = savesyscall + print > audittempfile + print > systraceargstempfile + print > systraceargdesctempfile + print > systracerettempfile + syscall_num = savesyscall + skip_for_header = 1 next } $1 ~ /^#/ { print > sysent print > sysarg print > syscallnamestempfile - print > syshdrtempfile print > sysprotoend + print > audittempfile + print > systraceargstempfile + print > systraceargdesctempfile + print > systracerettempfile + skip_for_header = 0 next } - syscall != $1 { + syscall_num != $1 { printf "%s: line %d: syscall number out of sync at %d\n", - infile, NR, syscall + infile, NR, syscall_num printf "line is:\n" print exit 1 @@ -248,7 +325,7 @@ s/\$//g function parseline() { funcname = "" - current_field = 5 + current_field = 4 # skip number, audit event, type args_start = 0 args_end = 0 comments_start = 0 @@ -256,6 +333,7 @@ s/\$//g argc = 0 argssize = "0" additional_comments = " " + obs_comments = "_" # find start and end of call name and arguments if ($current_field != "{") @@ -299,6 +377,11 @@ 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-- @@ -308,9 +391,15 @@ s/\$//g current_field = comments_start + 1 while (current_field < comments_end) { additional_comments = additional_comments $current_field " " + obs_comments = obs_comments $current_field "_" current_field++ } } + sub(/old/, "obs", obs_comments) + obs_comments = substr(obs_comments, 1, length(obs_comments)-1) + if (obs_comments == "_") { + obs_comments = "" + } # get function return type current_field = args_start + 1 @@ -320,6 +409,9 @@ s/\$//g current_field++ funcname = $current_field argalias = funcname "_args" + if (substr(argalias, 1, 4) == "sys_") { + argalias = substr(argalias, 5) + } current_field++ # bump past function name if ($current_field != "(") @@ -359,80 +451,47 @@ 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 ($4 == "UALL") { - add_64bit_unsafe = 1; - } parseline() @@ -440,72 +499,103 @@ s/\$//g # output function argument structures to sysproto.h and build the # name of the appropriate argument mungers munge32 = "NULL" - munge64 = "NULL" - if (funcname != "nosys" || (syscall == 0 && funcname == "nosys")) { + size32 = 0 + + if ((funcname != "nosys" && funcname != "enosys") || (syscall_num == 0 && funcname == "nosys")) { + printf("\t/* %s */\n\tcase %d: {\n", funcname, syscall_num) > systraceargstempfile + printf("\t/* %s */\n\tcase %d:\n", funcname, syscall_num) > systraceargdesctempfile + printf("\t/* %s */\n\tcase %d:\n", funcname, syscall_num) > systracerettempfile + if (argc > 0) { + printf("\t\tswitch(ndx) {\n") > systraceargdesctempfile + printf("\t\tstruct %s *p = params;\n", argalias) > systraceargstempfile + for (i = 1; i <= argc; i++) { + arg = argtype[i] + sub("__restrict$", "", arg) + if (index(arg, "*") > 0) + printf("\t\tcase %d:\n\t\t\tp = \"userland %s\";\n\t\t\tbreak;\n", i - 1, arg) > systraceargdesctempfile + else + printf("\t\tcase %d:\n\t\t\tp = \"%s\";\n\t\t\tbreak;\n", i - 1, arg) > systraceargdesctempfile + if (index(arg, "*") > 0 || arg == "caddr_t") + printf("\t\tuarg[%d] = (intptr_t) p->%s; /* %s */\n", \ + i - 1, \ + argname[i], arg) > systraceargstempfile + else if (substr(arg, 1, 1) == "u" || arg == "size_t") + printf("\t\tuarg[%d] = p->%s; /* %s */\n", \ + i - 1, \ + argname[i], arg) > systraceargstempfile + else + printf("\t\tiarg[%d] = p->%s; /* %s */\n", \ + i - 1, \ + argname[i], arg) > systraceargstempfile + } + printf("\t\tdefault:\n\t\t\tbreak;\n\t\t};\n") > systraceargdesctempfile + + } + printf("\t\tbreak;\n\t}\n", argc) > systraceargstempfile + printf("\t\tif (ndx == 0 || ndx == 1)\n") > systracerettempfile + printf("\t\t\tp = \"%s\";\n", returntype) > systracerettempfile + printf("\t\tbreak;\n") > systracerettempfile + printf("\t\tbreak;\n") > systraceargdesctempfile 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] == "sae_associd_t" || argtype[i] == "sae_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", @@ -527,7 +617,7 @@ 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 } } @@ -536,9 +626,10 @@ 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 @@ -554,9 +645,15 @@ 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" } @@ -572,78 +669,97 @@ 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 || (__arm__ && (__BIGGEST_ALIGNMENT__ > 4))\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 (substr(tempname, 1, 4) == "sys_") { + tempname = substr(tempname, 5) + } + 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 (substr(tempname, 1, 4) == "sys_") { + tempname = substr(tempname, 5) + } + 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 - # 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 } } - - syscall++ + + # output to audit_kevents.c + printf("\t%s,\t\t", auditev) > audittempfile + printf("/* %d = %s%s*/\n", syscall_num, tempname, additional_comments) > audittempfile + + tempname = funcname + if (skip_for_header == 0) { + if (tempname == "nosys" || tempname == "enosys") { + if (obs_comments == "") { + printf("0x40c%04x\tBSC_#%d%s\n", (syscall_num*4), syscall_num, obs_comments) > tracecodetempfile + } else { + printf("0x40c%04x\tBSC%s\n", (syscall_num*4), obs_comments) > tracecodetempfile + } + } else { + sub(/^_+/, "", tempname) + printf("0x40c%04x\tBSC_%s\n", (syscall_num*4), tempname) > tracecodetempfile + } + } + + 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 @@ -655,16 +771,58 @@ s/\$//g printf("\n#endif /* !%s */\n", sysproto_h) > sysprotoend printf("};\n") > sysent - printf("int nsysent = sizeof(sysent) / sizeof(sysent[0]);\n") > sysent + printf("const unsigned int nsysent = sizeof(sysent) / sizeof(sysent[0]);\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("#define\t%sinvalid\t%d\n", syscallprefix, 63) \ > 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 + + printf "\tdefault:\n\t\tbreak;\n\t};\n}\n" > systraceargstempfile + printf "\tdefault:\n\t\tbreak;\n\t};\n\tif (p != NULL)\n\t\tstrlcpy(desc, p, descsz);\n}\n" > systraceargdesctempfile + printf "\tdefault:\n\t\tbreak;\n\t};\n\tif (p != NULL)\n\t\tstrlcpy(desc, p, descsz);\n}\n" > systracerettempfile } ' -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 + +if [ $output_systrace -eq 1 ]; then + cat $systraceargstempfile > $systraceargsfile + cat $systraceargdesctempfile >> $systraceargsfile + cat $systracerettempfile >> $systraceargsfile +fi + +if [ $output_tracecodes -eq 1 ]; then + if [ $use_stdout -eq 1 ]; then + cat $tracecodetempfile + else + cat $tracecodetempfile > $tracecodename + fi +fi +