[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 64
# lttng-syscalls-generate-headers.sh pointers 3.0.4 x86-64-syscalls-3.0.4 64

CLASS=$1
INPUTDIR=$2
INPUTFILE=$3
BITNESS=$4
INPUT=${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\"
#include \"syscalls_${CLASS}_override.h\"
" >> ${HEADER}

if [ "$CLASS" = integers ]; then

NRARGS=0

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