# @(#)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) 2004-2007 Apple Inc. All rights reserved.
+# Copyright (c) 2004-2008 Apple Inc. All rights reserved.
#
# @APPLE_OSREFERENCE_LICENSE_HEADER_START@
#
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"
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 <config-file>" 1>&2
+ 0)
+ echo "usage: $0 input-file [<names|proto|header|table|audit> [<config-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
+ . $1
fi
+
+
sed -e '
s/\$//g
:join
2,${
/^#/!s/\([{}()*,;]\)/ \1 /g
}
-' < $1 | awk "
+' < "$input_file" | awk "
BEGIN {
syslegal = \"$syslegal\"
sysprotofile = \"$sysprotofile\"
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) 2004-2007 Apple 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 " * \n" > syslegal
}
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
printf "#include <mach/shared_region.h>\n" > sysarg
printf "\n#ifdef KERNEL\n" > sysarg
printf "#ifdef __APPLE_API_PRIVATE\n" > sysarg
- printf "#ifndef __arm__\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(register_t) <= sizeof(t) \\\n" > sysarg
- printf " ? 0 : sizeof(register_t) - sizeof(t))\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)\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 "#ifndef __arm__\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_wwlwww(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 "#else \n" > sysarg
- printf "#define munge_w NULL \n" > sysarg
- printf "#define munge_ww NULL \n" > sysarg
- printf "#define munge_www NULL \n" > sysarg
- printf "#define munge_wwww NULL \n" > sysarg
- printf "#define munge_wwwww NULL \n" > sysarg
- printf "#define munge_wwwwww NULL \n" > sysarg
- printf "#define munge_wwwwwww NULL \n" > sysarg
- printf "#define munge_wwwwwwww NULL \n" > sysarg
- printf "#define munge_wl NULL \n" > sysarg
- printf "#define munge_wlw NULL \n" > sysarg
- printf "#define munge_wwwl NULL \n" > sysarg
- printf "#define munge_wwwlww NULL\n" > sysarg
- printf "#define munge_wwlwww NULL \n" > sysarg
- printf "#define munge_wwwwl NULL \n" > sysarg
- printf "#define munge_wwwwwl NULL \n" > sysarg
- printf "#define munge_wsw NULL \n" > sysarg
- printf "#define munge_wws NULL \n" > sysarg
- printf "#define munge_wwwsw NULL \n" > sysarg
- printf "#endif // ! __arm__\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 <sys/munge.h>\n" > sysarg
printf "\n" > sysarg
printf "const char *%s[] = {\n", namesname > syscallnamestempfile
+
+ printf "#include <sys/param.h>\n" > audittempfile
+ printf "#include <sys/types.h>\n\n" > audittempfile
+ printf "#include <bsm/audit.h>\n" > audittempfile
+ printf "#include <bsm/audit_kevents.h>\n\n" > audittempfile
+ printf "#if CONFIG_AUDIT\n\n" > audittempfile
+ printf "au_event_t sys_au_event[] = {\n" > audittempfile
next
}
NF == 0 || $1 ~ /^;/ {
print > sysarg
print > syscallnamestempfile
print > sysprotoend
+ print > audittempfile
savesyscall = syscall_num
skip_for_header = 0
next
print > sysarg
print > syscallnamestempfile
print > sysprotoend
+ print > audittempfile
syscall_num = savesyscall
skip_for_header = 1
next
print > sysarg
print > syscallnamestempfile
print > sysprotoend
+ print > audittempfile
skip_for_header = 0
next
}
function parseline() {
funcname = ""
- current_field = 3
+ current_field = 4 # skip number, audit event, type
args_start = 0
args_end = 0
comments_start = 0
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_resv = "0"
- my_flags = "0"
- if ($2 != "ALL" && $2 != "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($2, "[T]") != 0) {
+ if (match($3, "[T]") != 0) {
add_sysent_entry = 1
files_keyword_OK = 1
}
- if (match($2, "[N]") != 0) {
+ if (match($3, "[N]") != 0) {
add_sysnames_entry = 1
files_keyword_OK = 1
}
- if (match($2, "[H]") != 0) {
+ if (match($3, "[H]") != 0) {
add_sysheader_entry = 1
files_keyword_OK = 1
}
- if (match($2, "[P]") != 0) {
+ if (match($3, "[P]") != 0) {
add_sysproto_entry = 1
files_keyword_OK = 1
}
- if (match($2, "[U]") != 0) {
- add_64bit_unsafe = 1
- }
- if (match($2, "[F]") != 0) {
- add_64bit_fakesafe = 1
- }
if (files_keyword_OK == 0) {
printf "%s: line %d: unrecognized keyword %s\n", infile, NR, $2
exit 1
}
}
- else if ($2 == "UALL") {
- add_64bit_unsafe = 1;
- }
parseline()
# output function argument structures to sysproto.h and build the
# name of the appropriate argument mungers
munge32 = "NULL"
- munge64 = "NULL"
size32 = 0
if ((funcname != "nosys" && funcname != "enosys") || (syscall_num == 0 && funcname == "nosys")) {
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 {
}
}
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
}
}
if (add_sysent_entry == 0) {
argssize = "0"
munge32 = "NULL"
- munge64 = "NULL"
munge_ret = "_SYSCALL_RET_NONE"
if (tempname != "enosys") {
tempname = "nosys"
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"
}
}
}
- if (add_64bit_unsafe == 1 && add_64bit_fakesafe == 0)
- my_flags = "UNSAFE_64BIT";
-
- printf("\t{%s, %s, %s, \(sy_call_t *\)%s, %s, %s, %s, %s},",
- argssize, add_resv, my_flags, tempname, munge32, munge64, munge_ret, size32) > sysent
- linesize = length(argssize) + length(add_resv) + length(my_flags) + 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_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) {
# 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" && funcname != "enosys") || (syscall_num == 0 && funcname == "nosys")) {
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_num++
next
> 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
} '
# define value in syscall table file to permit redifintion because of the way
# __private_extern__ (doesn't) work.
-cat $syslegal > $syscalltablefile
-printf "#define __INIT_SYSENT_C__ 1\n" >> $syscalltablefile
-cat $sysinc $sysent >> $syscalltablefile
-cat $syslegal $sysarg $sysprotoend > $sysprotofile
-cat $syslegal $syscallnamestempfile > $syscallnamesfile
-cat $syslegal $syshdrtempfile > $syshdrfile
+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
projects / apple / xnu.git / blobdiff