[lttng-modules.git] / instrumentation / syscalls / lttng-syscalls-generate-headers.sh

#!/bin/sh

# Generate system call probe description macros from syscall metadata dump file.
# example usage:
#
# lttng-syscalls-generate-headers.sh integers 3.0.4 x86-64-syscalls-3.0.4
# lttng-syscalls-generate-headers.sh pointers 3.0.4 x86-64-syscalls-3.0.4

CLASS=$1
INPUTDIR=$2
INPUTFILE=$3
INPUT=${INPUTDIR}/${INPUTFILE}
SRCFILE=gen.tmp.0
TMPFILE=gen.tmp.1
HEADER=headers/${INPUTFILE}_${CLASS}.h

cp ${INPUT} ${SRCFILE}

#Cleanup
perl -p -e 's/^\[.*\] //g' ${SRCFILE} > ${TMPFILE}
mv ${TMPFILE} ${SRCFILE}

perl -p -e 's/^syscall sys_([^ ]*)/syscall $1/g' ${SRCFILE} > ${TMPFILE}
mv ${TMPFILE} ${SRCFILE}

#Filter

if [ "$CLASS" = integers ]; then
	#select integers and no-args.
	CLASSCAP=INTEGERS
	grep -v "\\*\|cap_user_header_t" ${SRCFILE} > ${TMPFILE}
	mv ${TMPFILE} ${SRCFILE}
fi


if [ "$CLASS" = pointers ]; then
	#select system calls using pointers.
	CLASSCAP=POINTERS
	grep "\\*\|cap_#user_header_t" ${SRCFILE} > ${TMPFILE}
	mv ${TMPFILE} ${SRCFILE}
fi

echo "/* THIS FILE IS AUTO-GENERATED. DO NOT EDIT */" > ${HEADER}

echo \
"#ifndef CREATE_SYSCALL_TABLE

#if !defined(_TRACE_SYSCALLS_${CLASSCAP}_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_SYSCALLS_${CLASSCAP}_H

#include <linux/tracepoint.h>
#include <linux/syscalls.h>
#include \"${INPUTFILE}_${CLASS}_override.h\"
" >> ${HEADER}

if [ "$CLASS" = integers ]; then

NRARGS=0

echo \
'SC_DECLARE_EVENT_CLASS_NOARGS(syscalls_noargs,\n'\
'	TP_STRUCT__entry(),\n'\
'	TP_fast_assign(),\n'\
'	TP_printk()\n'\
')'\
	>> ${HEADER}

grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE}
perl -p -e 's/^syscall ([^ ]*) nr ([^ ]*) nbargs ([^ ]*) '\
'types: \(([^)]*)\) '\
'args: \(([^)]*)\)/'\
'#ifndef OVERRIDE_sys_$1\n'\
'SC_DEFINE_EVENT_NOARGS(syscalls_noargs, sys_$1)\n'\
'#endif/g'\
	${TMPFILE} >> ${HEADER}

fi


# types: 4
# args   5

NRARGS=1
grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE}
perl -p -e 's/^syscall ([^ ]*) nr ([^ ]*) nbargs ([^ ]*) '\
'types: \(([^)]*)\) '\
'args: \(([^)]*)\)/'\
'#ifndef OVERRIDE_sys_$1\n'\
'SC_TRACE_EVENT(sys_$1,\n'\
'	TP_PROTO($4 $5),\n'\
'	TP_ARGS($5),\n'\
'	TP_STRUCT__entry(__field($4, $5)),\n'\
'	TP_fast_assign(tp_assign($4, $5, $5)),\n'\
'	TP_printk()\n'\
')\n'\
'#endif/g'\
	${TMPFILE} >> ${HEADER}

# types: 4 5
# args   6 7

NRARGS=2
grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE}
perl -p -e 's/^syscall ([^ ]*) nr ([^ ]*) nbargs ([^ ]*) '\
'types: \(([^,]*), ([^)]*)\) '\
'args: \(([^,]*), ([^)]*)\)/'\
'#ifndef OVERRIDE_sys_$1\n'\
'SC_TRACE_EVENT(sys_$1,\n'\
'	TP_PROTO($4 $6, $5 $7),\n'\
'	TP_ARGS($6, $7),\n'\
'	TP_STRUCT__entry(__field($4, $6) __field($5, $7)),\n'\
'	TP_fast_assign(tp_assign($4, $6, $6) tp_assign($5, $7, $7)),\n'\
'	TP_printk()\n'\
')\n'\
'#endif/g'\
	${TMPFILE} >> ${HEADER}

# types: 4 5 6
# args   7 8 9

NRARGS=3
grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE}
perl -p -e 's/^syscall ([^ ]*) nr ([^ ]*) nbargs ([^ ]*) '\
'types: \(([^,]*), ([^,]*), ([^)]*)\) '\
'args: \(([^,]*), ([^,]*), ([^)]*)\)/'\
'#ifndef OVERRIDE_sys_$1\n'\
'SC_TRACE_EVENT(sys_$1,\n'\
'	TP_PROTO($4 $7, $5 $8, $6 $9),\n'\
'	TP_ARGS($7, $8, $9),\n'\
'	TP_STRUCT__entry(__field($4, $7) __field($5, $8) __field($6, $9)),\n'\
'	TP_fast_assign(tp_assign($4, $7, $7) tp_assign($5, $8, $8) tp_assign($6, $9, $9)),\n'\
'	TP_printk()\n'\
')\n'\
'#endif/g'\
	${TMPFILE} >> ${HEADER}


# types: 4 5  6  7
# args   8 9 10 11

NRARGS=4
grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE}
perl -p -e 's/^syscall ([^ ]*) nr ([^ ]*) nbargs ([^ ]*) '\
'types: \(([^,]*), ([^,]*), ([^,]*), ([^)]*)\) '\
'args: \(([^,]*), ([^,]*), ([^,]*), ([^)]*)\)/'\
'#ifndef OVERRIDE_sys_$1\n'\
'SC_TRACE_EVENT(sys_$1,\n'\
'	TP_PROTO($4 $8, $5 $9, $6 $10, $7 $11),\n'\
'	TP_ARGS($8, $9, $10, $11),\n'\
'	TP_STRUCT__entry(__field($4, $8) __field($5, $9) __field($6, $10) __field($7, $11)),\n'\
'	TP_fast_assign(tp_assign($4, $8, $8) tp_assign($5, $9, $9) tp_assign($6, $10, $10) tp_assign($7, $11, $11)),\n'\
'	TP_printk()\n'\
')\n'\
'#endif/g'\
	${TMPFILE} >> ${HEADER}

# types: 4  5  6  7  8
# args   9 10 11 12 13

NRARGS=5
grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE}
perl -p -e 's/^syscall ([^ ]*) nr ([^ ]*) nbargs ([^ ]*) '\
'types: \(([^,]*), ([^,]*), ([^,]*), ([^,]*), ([^)]*)\) '\
'args: \(([^,]*), ([^,]*), ([^,]*), ([^,]*), ([^)]*)\)/'\
'#ifndef OVERRIDE_sys_$1\n'\
'SC_TRACE_EVENT(sys_$1,\n'\
'	TP_PROTO($4 $9, $5 $10, $6 $11, $7 $12, $8 $13),\n'\
'	TP_ARGS($9, $10, $11, $12, $13),\n'\
'	TP_STRUCT__entry(__field($4, $9) __field($5, $10) __field($6, $11) __field($7, $12) __field($8, $13)),\n'\
'	TP_fast_assign(tp_assign($4, $9, $9) tp_assign($5, $10, $10) tp_assign($6, $11, $11) tp_assign($7, $12, $12) tp_assign($8, $13, $13)),\n'\
'	TP_printk()\n'\
')\n'\
'#endif/g'\
	${TMPFILE} >> ${HEADER}


# types: 4   5  6  7  8  9
# args   10 11 12 13 14 15

NRARGS=6
grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE}
perl -p -e 's/^syscall ([^ ]*) nr ([^ ]*) nbargs ([^ ]*) '\
'types: \(([^,]*), ([^,]*), ([^,]*), ([^,]*), ([^,]*), ([^\)]*)\) '\
'args: \(([^,]*), ([^,]*), ([^,]*), ([^,]*), ([^,]*), ([^\)]*)\)/'\
'#ifndef OVERRIDE_sys_$1\n'\
'SC_TRACE_EVENT(sys_$1,\n'\
'	TP_PROTO($4 $10, $5 $11, $6 $12, $7 $13, $8 $14, $9 $15),\n'\
'	TP_ARGS($10, $11, $12, $13, $14, $15),\n'\
'	TP_STRUCT__entry(__field($4, $10) __field($5, $11) __field($6, $12) __field($7, $13) __field($8, $14) __field($9, $15)),\n'\
'	TP_fast_assign(tp_assign($4, $10, $10) tp_assign($5, $11, $11) tp_assign($6, $12, $12) tp_assign($7, $13, $13) tp_assign($8, $14, $14) tp_assign($9, $15, $15)),\n'\
'	TP_printk()\n'\
')\n'\
'#endif/g'\
	${TMPFILE} >> ${HEADER}

# Macro for tracing syscall table

rm -f ${TMPFILE}
for NRARGS in $(seq 0 6); do
	grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} >> ${TMPFILE}
done

echo \
"
#endif /*  _TRACE_SYSCALLS_${CLASSCAP}_H */

/* This part must be outside protection */
#include \"../../../probes/define_trace.h\"

#else /* CREATE_SYSCALL_TABLE */

#include \"${INPUTFILE}_${CLASS}_override.h\"
" >> ${HEADER}

NRARGS=0

if [ "$CLASS" = integers ]; then
#noargs
grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE}
perl -p -e 's/^syscall ([^ ]*) nr ([^ ]*) nbargs ([^ ]*) .*$/'\
'#ifndef OVERRIDE_TABLE_sys_$1\n'\
'TRACE_SYSCALL_TABLE\(syscalls_noargs, sys_$1, $2, $3\)\n'\
'#endif/g'\
	${TMPFILE} >> ${HEADER}
fi

#others.
grep -v "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE}
perl -p -e 's/^syscall ([^ ]*) nr ([^ ]*) nbargs ([^ ]*) .*$/'\
'#ifndef OVERRIDE_TABLE_sys_$1\n'\
'TRACE_SYSCALL_TABLE(sys_$1, sys_$1, $2, $3)\n'\
'#endif/g'\
	${TMPFILE} >> ${HEADER}

echo -n \
"
#endif /* CREATE_SYSCALL_TABLE */
" >> ${HEADER}

#fields names: ...char * type with *name* or *file* or *path* or *root*
# or *put_old* or *type*
cp -f ${HEADER} ${TMPFILE}
rm -f ${HEADER}
perl -p -e 's/__field\(([^,)]*char \*), ([^\)]*)(name|file|path|root|put_old|type)([^\)]*)\)/__string_from_user($2$3$4, $2$3$4)/g'\
	${TMPFILE} >> ${HEADER}
cp -f ${HEADER} ${TMPFILE}
rm -f ${HEADER}
perl -p -e 's/tp_assign\(([^,)]*char \*), ([^,]*)(name|file|path|root|put_old|type)([^,]*), ([^\)]*)\)/tp_copy_string_from_user($2$3$4, $5)/g'\
	${TMPFILE} >> ${HEADER}

#prettify addresses heuristics.
#field names with addr or ptr
cp -f ${HEADER} ${TMPFILE}
rm -f ${HEADER}
perl -p -e 's/__field\(([^,)]*), ([^,)]*addr|[^,)]*ptr)([^),]*)\)/__field_hex($1, $2$3)/g'\
	${TMPFILE} >> ${HEADER}

#field types ending with '*'
cp -f ${HEADER} ${TMPFILE}
rm -f ${HEADER}
perl -p -e 's/__field\(([^,)]*\*), ([^),]*)\)/__field_hex($1, $2)/g'\
	${TMPFILE} >> ${HEADER}

#strip the extra type information from tp_assign.
cp -f ${HEADER} ${TMPFILE}
rm -f ${HEADER}
perl -p -e 's/tp_assign\(([^,)]*), ([^,]*), ([^\)]*)\)/tp_assign($2, $3)/g'\
	${TMPFILE} >> ${HEADER}

rm -f ${INPUTFILE}.tmp
rm -f ${TMPFILE}
rm -f ${SRCFILE}
Commit	Line	Data
	1	#!/bin/sh
	2
	3	# Generate system call probe description macros from syscall metadata dump file.
	4	# example usage:
	5	#
	6	# lttng-syscalls-generate-headers.sh integers 3.0.4 x86-64-syscalls-3.0.4
	7	# lttng-syscalls-generate-headers.sh pointers 3.0.4 x86-64-syscalls-3.0.4
	8
	9	CLASS=$1
	10	INPUTDIR=$2
	11	INPUTFILE=$3
	12	INPUT=${INPUTDIR}/${INPUTFILE}
	13	SRCFILE=gen.tmp.0
	14	TMPFILE=gen.tmp.1
	15	HEADER=headers/${INPUTFILE}_${CLASS}.h
	16
	17	cp ${INPUT} ${SRCFILE}
	18
	19	#Cleanup
	20	perl -p -e 's/^\[.*\] //g' ${SRCFILE} > ${TMPFILE}
	21	mv ${TMPFILE} ${SRCFILE}
	22
	23	perl -p -e 's/^syscall sys_([^ ]*)/syscall $1/g' ${SRCFILE} > ${TMPFILE}
	24	mv ${TMPFILE} ${SRCFILE}
	25
	26	#Filter
	27
	28	if [ "$CLASS" = integers ]; then
	29	#select integers and no-args.
	30	CLASSCAP=INTEGERS
	31	grep -v "\\*\\|cap_user_header_t" ${SRCFILE} > ${TMPFILE}
	32	mv ${TMPFILE} ${SRCFILE}
	33	fi
	34
	35
	36	if [ "$CLASS" = pointers ]; then
	37	#select system calls using pointers.
	38	CLASSCAP=POINTERS
	39	grep "\\*\\|cap_#user_header_t" ${SRCFILE} > ${TMPFILE}
	40	mv ${TMPFILE} ${SRCFILE}
	41	fi
	42
	43	echo "/* THIS FILE IS AUTO-GENERATED. DO NOT EDIT */" > ${HEADER}
	44
	45	echo \
	46	"#ifndef CREATE_SYSCALL_TABLE
	47
	48	#if !defined(_TRACE_SYSCALLS_${CLASSCAP}_H) \|\| defined(TRACE_HEADER_MULTI_READ)
	49	#define _TRACE_SYSCALLS_${CLASSCAP}_H
	50
	51	#include <linux/tracepoint.h>
	52	#include <linux/syscalls.h>
	53	#include \"${INPUTFILE}_${CLASS}_override.h\"
	54	" >> ${HEADER}
	55
	56	if [ "$CLASS" = integers ]; then
	57
	58	NRARGS=0
	59
	60	echo \
	61	'SC_DECLARE_EVENT_CLASS_NOARGS(syscalls_noargs,\n'\
	62	' TP_STRUCT__entry(),\n'\
	63	' TP_fast_assign(),\n'\
	64	' TP_printk()\n'\
	65	')'\
	66	>> ${HEADER}
	67
	68	grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE}
	69	perl -p -e 's/^syscall ([^ ]) nr ([^ ]) nbargs ([^ ]*) '\
	70	'types: \(([^)]*)\) '\
	71	'args: \(([^)]*)\)/'\
	72	'#ifndef OVERRIDE_sys_$1\n'\
	73	'SC_DEFINE_EVENT_NOARGS(syscalls_noargs, sys_$1)\n'\
	74	'#endif/g'\
	75	${TMPFILE} >> ${HEADER}
	76
	77	fi
	78
	79
	80	# types: 4
	81	# args 5
	82
	83	NRARGS=1
	84	grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE}
	85	perl -p -e 's/^syscall ([^ ]) nr ([^ ]) nbargs ([^ ]*) '\
	86	'types: \(([^)]*)\) '\
	87	'args: \(([^)]*)\)/'\
	88	'#ifndef OVERRIDE_sys_$1\n'\
	89	'SC_TRACE_EVENT(sys_$1,\n'\
	90	' TP_PROTO($4 $5),\n'\
	91	' TP_ARGS($5),\n'\
	92	' TP_STRUCT__entry(__field($4, $5)),\n'\
	93	' TP_fast_assign(tp_assign($4, $5, $5)),\n'\
	94	' TP_printk()\n'\
	95	')\n'\
	96	'#endif/g'\
	97	${TMPFILE} >> ${HEADER}
	98
	99	# types: 4 5
	100	# args 6 7
	101
	102	NRARGS=2
	103	grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE}
	104	perl -p -e 's/^syscall ([^ ]) nr ([^ ]) nbargs ([^ ]*) '\
	105	'types: \(([^,]), ([^)])\) '\
	106	'args: \(([^,]), ([^)])\)/'\
	107	'#ifndef OVERRIDE_sys_$1\n'\
	108	'SC_TRACE_EVENT(sys_$1,\n'\
	109	' TP_PROTO($4 $6, $5 $7),\n'\
	110	' TP_ARGS($6, $7),\n'\
	111	' TP_STRUCT__entry(__field($4, $6) __field($5, $7)),\n'\
	112	' TP_fast_assign(tp_assign($4, $6, $6) tp_assign($5, $7, $7)),\n'\
	113	' TP_printk()\n'\
	114	')\n'\
	115	'#endif/g'\
	116	${TMPFILE} >> ${HEADER}
	117
	118	# types: 4 5 6
	119	# args 7 8 9
	120
	121	NRARGS=3
	122	grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE}
	123	perl -p -e 's/^syscall ([^ ]) nr ([^ ]) nbargs ([^ ]*) '\
	124	'types: \(([^,]), ([^,]), ([^)]*)\) '\
	125	'args: \(([^,]), ([^,]), ([^)]*)\)/'\
	126	'#ifndef OVERRIDE_sys_$1\n'\
	127	'SC_TRACE_EVENT(sys_$1,\n'\
	128	' TP_PROTO($4 $7, $5 $8, $6 $9),\n'\
	129	' TP_ARGS($7, $8, $9),\n'\
	130	' TP_STRUCT__entry(__field($4, $7) __field($5, $8) __field($6, $9)),\n'\
	131	' TP_fast_assign(tp_assign($4, $7, $7) tp_assign($5, $8, $8) tp_assign($6, $9, $9)),\n'\
	132	' TP_printk()\n'\
	133	')\n'\
	134	'#endif/g'\
	135	${TMPFILE} >> ${HEADER}
	136
	137
	138	# types: 4 5 6 7
	139	# args 8 9 10 11
	140
	141	NRARGS=4
	142	grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE}
	143	perl -p -e 's/^syscall ([^ ]) nr ([^ ]) nbargs ([^ ]*) '\
	144	'types: \(([^,]), ([^,]), ([^,]), ([^)])\) '\
	145	'args: \(([^,]), ([^,]), ([^,]), ([^)])\)/'\
	146	'#ifndef OVERRIDE_sys_$1\n'\
	147	'SC_TRACE_EVENT(sys_$1,\n'\
	148	' TP_PROTO($4 $8, $5 $9, $6 $10, $7 $11),\n'\
	149	' TP_ARGS($8, $9, $10, $11),\n'\
	150	' TP_STRUCT__entry(__field($4, $8) __field($5, $9) __field($6, $10) __field($7, $11)),\n'\
	151	' TP_fast_assign(tp_assign($4, $8, $8) tp_assign($5, $9, $9) tp_assign($6, $10, $10) tp_assign($7, $11, $11)),\n'\
	152	' TP_printk()\n'\
	153	')\n'\
	154	'#endif/g'\
	155	${TMPFILE} >> ${HEADER}
	156
	157	# types: 4 5 6 7 8
	158	# args 9 10 11 12 13
	159
	160	NRARGS=5
	161	grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE}
	162	perl -p -e 's/^syscall ([^ ]) nr ([^ ]) nbargs ([^ ]*) '\
	163	'types: \(([^,]), ([^,]), ([^,]), ([^,]), ([^)]*)\) '\
	164	'args: \(([^,]), ([^,]), ([^,]), ([^,]), ([^)]*)\)/'\
	165	'#ifndef OVERRIDE_sys_$1\n'\
	166	'SC_TRACE_EVENT(sys_$1,\n'\
	167	' TP_PROTO($4 $9, $5 $10, $6 $11, $7 $12, $8 $13),\n'\
	168	' TP_ARGS($9, $10, $11, $12, $13),\n'\
	169	' TP_STRUCT__entry(__field($4, $9) __field($5, $10) __field($6, $11) __field($7, $12) __field($8, $13)),\n'\
	170	' TP_fast_assign(tp_assign($4, $9, $9) tp_assign($5, $10, $10) tp_assign($6, $11, $11) tp_assign($7, $12, $12) tp_assign($8, $13, $13)),\n'\
	171	' TP_printk()\n'\
	172	')\n'\
	173	'#endif/g'\
	174	${TMPFILE} >> ${HEADER}
	175
	176
	177	# types: 4 5 6 7 8 9
	178	# args 10 11 12 13 14 15
	179
	180	NRARGS=6
	181	grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE}
	182	perl -p -e 's/^syscall ([^ ]) nr ([^ ]) nbargs ([^ ]*) '\
	183	'types: \(([^,]), ([^,]), ([^,]), ([^,]), ([^,]), ([^\)])\) '\
	184	'args: \(([^,]), ([^,]), ([^,]), ([^,]), ([^,]), ([^\)])\)/'\
	185	'#ifndef OVERRIDE_sys_$1\n'\
	186	'SC_TRACE_EVENT(sys_$1,\n'\
	187	' TP_PROTO($4 $10, $5 $11, $6 $12, $7 $13, $8 $14, $9 $15),\n'\
	188	' TP_ARGS($10, $11, $12, $13, $14, $15),\n'\
	189	' TP_STRUCT__entry(__field($4, $10) __field($5, $11) __field($6, $12) __field($7, $13) __field($8, $14) __field($9, $15)),\n'\
	190	' TP_fast_assign(tp_assign($4, $10, $10) tp_assign($5, $11, $11) tp_assign($6, $12, $12) tp_assign($7, $13, $13) tp_assign($8, $14, $14) tp_assign($9, $15, $15)),\n'\
	191	' TP_printk()\n'\
	192	')\n'\
	193	'#endif/g'\
	194	${TMPFILE} >> ${HEADER}
	195
	196	# Macro for tracing syscall table
	197
	198	rm -f ${TMPFILE}
	199	for NRARGS in $(seq 0 6); do
	200	grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} >> ${TMPFILE}
	201	done
	202
	203	echo \
	204	"
	205	#endif /* _TRACE_SYSCALLS_${CLASSCAP}_H */
	206
	207	/* This part must be outside protection */
	208	#include \"../../../probes/define_trace.h\"
	209
	210	#else /* CREATE_SYSCALL_TABLE */
	211
	212	#include \"${INPUTFILE}_${CLASS}_override.h\"
	213	" >> ${HEADER}
	214
	215	NRARGS=0
	216
	217	if [ "$CLASS" = integers ]; then
	218	#noargs
	219	grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE}
	220	perl -p -e 's/^syscall ([^ ]) nr ([^ ]) nbargs ([^ ]) .$/'\
	221	'#ifndef OVERRIDE_TABLE_sys_$1\n'\
	222	'TRACE_SYSCALL_TABLE\(syscalls_noargs, sys_$1, $2, $3\)\n'\
	223	'#endif/g'\
	224	${TMPFILE} >> ${HEADER}
	225	fi
	226
	227	#others.
	228	grep -v "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE}
	229	perl -p -e 's/^syscall ([^ ]) nr ([^ ]) nbargs ([^ ]) .$/'\
	230	'#ifndef OVERRIDE_TABLE_sys_$1\n'\
	231	'TRACE_SYSCALL_TABLE(sys_$1, sys_$1, $2, $3)\n'\
	232	'#endif/g'\
	233	${TMPFILE} >> ${HEADER}
	234
	235	echo -n \
	236	"
	237	#endif /* CREATE_SYSCALL_TABLE */
	238	" >> ${HEADER}
	239
	240	#fields names: ...char * type with name or file or path or root
	241	# or put_old or type
	242	cp -f ${HEADER} ${TMPFILE}
	243	rm -f ${HEADER}
	244	perl -p -e 's/__field\(([^,)]char \), ([^\)])(name\|file\|path\|root\|put_old\|type)([^\)])\)/__string_from_user($2$3$4, $2$3$4)/g'\
	245	${TMPFILE} >> ${HEADER}
	246	cp -f ${HEADER} ${TMPFILE}
	247	rm -f ${HEADER}
	248	perl -p -e 's/tp_assign\(([^,)]char \), ([^,])(name\|file\|path\|root\|put_old\|type)([^,]), ([^\)]*)\)/tp_copy_string_from_user($2$3$4, $5)/g'\
	249	${TMPFILE} >> ${HEADER}
	250
	251	#prettify addresses heuristics.
	252	#field names with addr or ptr
	253	cp -f ${HEADER} ${TMPFILE}
	254	rm -f ${HEADER}
	255	perl -p -e 's/__field\(([^,)]), ([^,)]addr\|[^,)]ptr)([^),])\)/__field_hex($1, $2$3)/g'\
	256	${TMPFILE} >> ${HEADER}
	257
	258	#field types ending with '*'
	259	cp -f ${HEADER} ${TMPFILE}
	260	rm -f ${HEADER}
	261	perl -p -e 's/__field\(([^,)]\), ([^),]*)\)/__field_hex($1, $2)/g'\
	262	${TMPFILE} >> ${HEADER}
	263
	264	#strip the extra type information from tp_assign.
	265	cp -f ${HEADER} ${TMPFILE}
	266	rm -f ${HEADER}
	267	perl -p -e 's/tp_assign\(([^,)]), ([^,]), ([^\)]*)\)/tp_assign($2, $3)/g'\
	268	${TMPFILE} >> ${HEADER}
	269
	270	rm -f ${INPUTFILE}.tmp
	271	rm -f ${TMPFILE}
	272	rm -f ${SRCFILE}