output_syshdrfile=0
output_syscalltablefile=0
output_auditevfile=0
+output_tracecodes=0
+output_systrace=0
+
+use_stdout=0
# output files:
syscallnamesfile="syscalls.c"
syscallprefix="SYS_"
switchname="sysent"
namesname="syscallnames"
-
+tracecodename="syscall.codes"
+systraceargsfile="systrace_args.c"
# tmp files:
syslegal="sysent.syslegal.$$"
sysent="sysent.switch.$$"
syscallnamestempfile="syscallnamesfile.$$"
syshdrtempfile="syshdrtempfile.$$"
audittempfile="audittempfile.$$"
+tracecodetempfile="tracecodetempfile.$$"
+systraceargstempfile="systraceargstempfile.$$"
+systraceargdesctempfile="systraceargdesctempfile.$$"
+systracerettempfile="systracerettempfile.$$"
-trap "rm $syslegal $sysent $sysinc $sysarg $sysprotoend $syscallnamestempfile $syshdrtempfile $audittempfile" 0
+trap "rm $syslegal $sysent $sysinc $sysarg $sysprotoend $syscallnamestempfile $syshdrtempfile $audittempfile $tracecodetempfile $systraceargstempfile $systraceargdesctempfile $systracerettempfile" 0
-touch $syslegal $sysent $sysinc $sysarg $sysprotoend $syscallnamestempfile $syshdrtempfile $audittempfile
+touch $syslegal $sysent $sysinc $sysarg $sysprotoend $syscallnamestempfile $syshdrtempfile $audittempfile $tracecodetempfile $systraceargstempfile $systraceargdesctempfile $systracerettempfile
case $# in
0)
- echo "usage: $0 input-file [<names|proto|header|table|audit> [<config-file>]]" 1>&2
+ echo "usage: $0 input-file [<names|proto|header|table|audit|trace> [<config-file>]]" 1>&2
exit 1
;;
esac
audit)
output_auditevfile=1
;;
+ systrace)
+ output_systrace=1
+ ;;
+ trace)
+ output_tracecodes=1
+ use_stdout=1
+ ;;
esac
shift;
else
output_syshdrfile=1
output_syscalltablefile=1
output_auditevfile=1
+ output_tracecodes=1
fi
if [ -n "$1" -a -f "$1" ]; then
syscallnamestempfile = \"$syscallnamestempfile\"
syshdrfile = \"$syshdrfile\"
syshdrtempfile = \"$syshdrtempfile\"
+ systraceargstempfile = \"$systraceargstempfile\"
+ systraceargdesctempfile = \"$systraceargdesctempfile\"
+ systracerettempfile = \"$systracerettempfile\"
audittempfile = \"$audittempfile\"
+ tracecodetempfile = \"$tracecodetempfile\"
syscallprefix = \"$syscallprefix\"
switchname = \"$switchname\"
namesname = \"$namesname\"
infile = \"$input_file\"
+ infilepretty = \"${input_file#"$TARGET"}\"
"'
printf "/*\n" > syslegal
printf " * \n" > syslegal
printf " * System call switch table.\n *\n" > syslegal
printf " * DO NOT EDIT-- this file is automatically generated.\n" > syslegal
- printf " * created from %s\n */\n\n", infile > syslegal
+ printf " * created from %s\n */\n\n", infilepretty > 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\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_wwwlw(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_wwwwlw(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_wwwwwwll(const void *, void *); \n" > sysarg
- printf "void munge_wwwwwwlw(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 "void munge_llllll(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_wwwlw 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_wwwwlw NULL \n" > sysarg
- printf "#define munge_wwwwwl NULL \n" > sysarg
- printf "#define munge_wwwwwwlw 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 "#define munge_llllll 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 "#include <bsm/audit_kevents.h>\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 <sys/systrace_args.h>\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 || $1 ~ /^;/ {
print > syscallnamestempfile
print > sysprotoend
print > audittempfile
+ print > systraceargstempfile
+ print > systraceargdesctempfile
+ print > systracerettempfile
savesyscall = syscall_num
skip_for_header = 0
next
print > syscallnamestempfile
print > sysprotoend
print > audittempfile
+ print > systraceargstempfile
+ print > systraceargdesctempfile
+ print > systracerettempfile
syscall_num = savesyscall
skip_for_header = 1
next
print > syscallnamestempfile
print > sysprotoend
print > audittempfile
+ print > systraceargstempfile
+ print > systraceargdesctempfile
+ print > systracerettempfile
skip_for_header = 0
next
}
argc = 0
argssize = "0"
additional_comments = " "
+ obs_comments = "_"
# find start and end of call name and arguments
if ($current_field != "{")
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
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 != "(")
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 ($3 != "ALL" && $3 != "UALL") {
+ if ($3 != "ALL") {
files_keyword_OK = 0
add_sysent_entry = 0
add_sysnames_entry = 0
add_sysproto_entry = 1
files_keyword_OK = 1
}
- if (match($3, "[U]") != 0) {
- add_64bit_unsafe = 1
- }
- if (match($3, "[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 ($3 == "UALL") {
- add_64bit_unsafe = 1;
- }
parseline()
# output function argument structures to sysproto.h and build the
# name of the appropriate argument mungers
munge32 = "NULL"
- munge64 = "NULL"
size32 = 0
if ((funcname != "nosys" && funcname != "enosys") || (syscall_num == 0 && funcname == "nosys")) {
+ printf("\t/* %s */\n\tcase %d: {\n", funcname, syscall_num) > systraceargstempfile
+ printf("\t/* %s */\n\tcase %d:\n", funcname, syscall_num) > systraceargdesctempfile
+ printf("\t/* %s */\n\tcase %d:\n", funcname, syscall_num) > systracerettempfile
+ if (argc > 0) {
+ printf("\t\tswitch(ndx) {\n") > systraceargdesctempfile
+ printf("\t\tstruct %s *p = params;\n", argalias) > systraceargstempfile
+ for (i = 1; i <= argc; i++) {
+ arg = argtype[i]
+ sub("__restrict$", "", 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] = (uint64_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] = (uint64_t) p->%s; /* %s */\n", \
+ i - 1, \
+ argname[i], arg) > systraceargstempfile
+ else
+ printf("\t\tiarg[%d] = (int64_t) 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] == "socklen_t" || argtype[i] == "uint32_t" || argtype[i] == "int32_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] == "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 {
if (add_sysent_entry == 0) {
argssize = "0"
munge32 = "NULL"
- munge64 = "NULL"
munge_ret = "_SYSCALL_RET_NONE"
if (tempname != "enosys") {
tempname = "nosys"
}
}
- 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 || (__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_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 (substr(tempname, 1, 4) == "sys_") {
+ tempname = substr(tempname, 5)
+ }
if (funcname == "nosys" || funcname == "enosys") {
if (syscall_num == 0)
tempname = "syscall"
# output to syscalls.h
if (add_sysheader_entry == 1) {
tempname = funcname
+ if (substr(tempname, 1, 4) == "sys_") {
+ tempname = substr(tempname, 5)
+ }
if (syscall_num == 0) {
tempname = "syscall"
}
linesize = length(syscallprefix) + length(tempname) + 12
align_comment(linesize, 30, 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_num) > syshdrtempfile
- }
}
else if (skip_for_header == 0) {
printf("\t\t\t/* %d %s*/\n", syscall_num, additional_comments) > syshdrtempfile
# 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
}
printf("\n#endif /* !%s */\n", sysproto_h) > sysprotoend
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("const unsigned int nsysent = sizeof(sysent) / sizeof(sysent[0]);\n") > sysent
printf("};\n") > syscallnamestempfile
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
} '
-# 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_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
+
projects / apple / xnu.git / blobdiff