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

#!/bin/sh

# Generate system call probe description macros from syscall metadata dump file.
# The resulting header will be written in the headers subdirectory, in a file name
# based on the name of the input file. 
#
# example usage:
#
# lttng-syscalls-generate-headers.sh <type> <input_dir> <input_filename_in_dir> <bitness>
# 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	# The resulting header will be written in the headers subdirectory, in a file name
	5	# based on the name of the input file.
	6	#
	7	# example usage:
	8	#
	9	# lttng-syscalls-generate-headers.sh <type> <input_dir> <input_filename_in_dir> <bitness>
	10	# lttng-syscalls-generate-headers.sh integers 3.0.4 x86-64-syscalls-3.0.4 64
	11	# lttng-syscalls-generate-headers.sh pointers 3.0.4 x86-64-syscalls-3.0.4 64
	12
	13	CLASS=$1
	14	INPUTDIR=$2
	15	INPUTFILE=$3
	16	BITNESS=$4
	17	INPUT=${INPUTDIR}/${INPUTFILE}
	18	SRCFILE=gen.tmp.0
	19	TMPFILE=gen.tmp.1
	20	HEADER=headers/${INPUTFILE}_${CLASS}.h
	21
	22	cp ${INPUT} ${SRCFILE}
	23
	24	#Cleanup
	25	perl -p -e 's/^\[.*\] //g' ${SRCFILE} > ${TMPFILE}
	26	mv ${TMPFILE} ${SRCFILE}
	27
	28	perl -p -e 's/^syscall sys_([^ ]*)/syscall $1/g' ${SRCFILE} > ${TMPFILE}
	29	mv ${TMPFILE} ${SRCFILE}
	30
	31	#Filter
	32
	33	if [ "$CLASS" = integers ]; then
	34	#select integers and no-args.
	35	CLASSCAP=INTEGERS
	36	grep -v "\\*\\|cap_user_header_t" ${SRCFILE} > ${TMPFILE}
	37	mv ${TMPFILE} ${SRCFILE}
	38	fi
	39
	40
	41	if [ "$CLASS" = pointers ]; then
	42	#select system calls using pointers.
	43	CLASSCAP=POINTERS
	44	grep "\\*\\|cap_#user_header_t" ${SRCFILE} > ${TMPFILE}
	45	mv ${TMPFILE} ${SRCFILE}
	46	fi
	47
	48	echo "/* THIS FILE IS AUTO-GENERATED. DO NOT EDIT */" > ${HEADER}
	49
	50	echo \
	51	"#ifndef CREATE_SYSCALL_TABLE
	52
	53	#if !defined(_TRACE_SYSCALLS_${CLASSCAP}_H) \|\| defined(TRACE_HEADER_MULTI_READ)
	54	#define _TRACE_SYSCALLS_${CLASSCAP}_H
	55
	56	#include <linux/tracepoint.h>
	57	#include <linux/syscalls.h>
	58	#include \"${INPUTFILE}_${CLASS}_override.h\"
	59	#include \"syscalls_${CLASS}_override.h\"
	60	" >> ${HEADER}
	61
	62	if [ "$CLASS" = integers ]; then
	63
	64	NRARGS=0
	65
	66	printf \
	67	'SC_DECLARE_EVENT_CLASS_NOARGS(syscalls_noargs,\n'\
	68	' TP_STRUCT__entry(),\n'\
	69	' TP_fast_assign(),\n'\
	70	' TP_printk()\n'\
	71	')'\
	72	>> ${HEADER}
	73
	74	grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE}
	75	perl -p -e 's/^syscall ([^ ]) nr ([^ ]) nbargs ([^ ]*) '\
	76	'types: \(([^)]*)\) '\
	77	'args: \(([^)]*)\)/'\
	78	'#ifndef OVERRIDE_'"${BITNESS}"'_sys_$1\n'\
	79	'SC_DEFINE_EVENT_NOARGS(syscalls_noargs, sys_$1)\n'\
	80	'#endif/g'\
	81	${TMPFILE} >> ${HEADER}
	82
	83	fi
	84
	85
	86	# types: 4
	87	# args 5
	88
	89	NRARGS=1
	90	grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE}
	91	perl -p -e 's/^syscall ([^ ]) nr ([^ ]) nbargs ([^ ]*) '\
	92	'types: \(([^)]*)\) '\
	93	'args: \(([^)]*)\)/'\
	94	'#ifndef OVERRIDE_'"${BITNESS}"'_sys_$1\n'\
	95	'SC_TRACE_EVENT(sys_$1,\n'\
	96	' TP_PROTO($4 $5),\n'\
	97	' TP_ARGS($5),\n'\
	98	' TP_STRUCT__entry(__field($4, $5)),\n'\
	99	' TP_fast_assign(tp_assign($4, $5, $5)),\n'\
	100	' TP_printk()\n'\
	101	')\n'\
	102	'#endif/g'\
	103	${TMPFILE} >> ${HEADER}
	104
	105	# types: 4 5
	106	# args 6 7
	107
	108	NRARGS=2
	109	grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE}
	110	perl -p -e 's/^syscall ([^ ]) nr ([^ ]) nbargs ([^ ]*) '\
	111	'types: \(([^,]), ([^)])\) '\
	112	'args: \(([^,]), ([^)])\)/'\
	113	'#ifndef OVERRIDE_'"${BITNESS}"'_sys_$1\n'\
	114	'SC_TRACE_EVENT(sys_$1,\n'\
	115	' TP_PROTO($4 $6, $5 $7),\n'\
	116	' TP_ARGS($6, $7),\n'\
	117	' TP_STRUCT__entry(__field($4, $6) __field($5, $7)),\n'\
	118	' TP_fast_assign(tp_assign($4, $6, $6) tp_assign($5, $7, $7)),\n'\
	119	' TP_printk()\n'\
	120	')\n'\
	121	'#endif/g'\
	122	${TMPFILE} >> ${HEADER}
	123
	124	# types: 4 5 6
	125	# args 7 8 9
	126
	127	NRARGS=3
	128	grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE}
	129	perl -p -e 's/^syscall ([^ ]) nr ([^ ]) nbargs ([^ ]*) '\
	130	'types: \(([^,]), ([^,]), ([^)]*)\) '\
	131	'args: \(([^,]), ([^,]), ([^)]*)\)/'\
	132	'#ifndef OVERRIDE_'"${BITNESS}"'_sys_$1\n'\
	133	'SC_TRACE_EVENT(sys_$1,\n'\
	134	' TP_PROTO($4 $7, $5 $8, $6 $9),\n'\
	135	' TP_ARGS($7, $8, $9),\n'\
	136	' TP_STRUCT__entry(__field($4, $7) __field($5, $8) __field($6, $9)),\n'\
	137	' TP_fast_assign(tp_assign($4, $7, $7) tp_assign($5, $8, $8) tp_assign($6, $9, $9)),\n'\
	138	' TP_printk()\n'\
	139	')\n'\
	140	'#endif/g'\
	141	${TMPFILE} >> ${HEADER}
	142
	143
	144	# types: 4 5 6 7
	145	# args 8 9 10 11
	146
	147	NRARGS=4
	148	grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE}
	149	perl -p -e 's/^syscall ([^ ]) nr ([^ ]) nbargs ([^ ]*) '\
	150	'types: \(([^,]), ([^,]), ([^,]), ([^)])\) '\
	151	'args: \(([^,]), ([^,]), ([^,]), ([^)])\)/'\
	152	'#ifndef OVERRIDE_'"${BITNESS}"'_sys_$1\n'\
	153	'SC_TRACE_EVENT(sys_$1,\n'\
	154	' TP_PROTO($4 $8, $5 $9, $6 $10, $7 $11),\n'\
	155	' TP_ARGS($8, $9, $10, $11),\n'\
	156	' TP_STRUCT__entry(__field($4, $8) __field($5, $9) __field($6, $10) __field($7, $11)),\n'\
	157	' TP_fast_assign(tp_assign($4, $8, $8) tp_assign($5, $9, $9) tp_assign($6, $10, $10) tp_assign($7, $11, $11)),\n'\
	158	' TP_printk()\n'\
	159	')\n'\
	160	'#endif/g'\
	161	${TMPFILE} >> ${HEADER}
	162
	163	# types: 4 5 6 7 8
	164	# args 9 10 11 12 13
	165
	166	NRARGS=5
	167	grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE}
	168	perl -p -e 's/^syscall ([^ ]) nr ([^ ]) nbargs ([^ ]*) '\
	169	'types: \(([^,]), ([^,]), ([^,]), ([^,]), ([^)]*)\) '\
	170	'args: \(([^,]), ([^,]), ([^,]), ([^,]), ([^)]*)\)/'\
	171	'#ifndef OVERRIDE_'"${BITNESS}"'_sys_$1\n'\
	172	'SC_TRACE_EVENT(sys_$1,\n'\
	173	' TP_PROTO($4 $9, $5 $10, $6 $11, $7 $12, $8 $13),\n'\
	174	' TP_ARGS($9, $10, $11, $12, $13),\n'\
	175	' TP_STRUCT__entry(__field($4, $9) __field($5, $10) __field($6, $11) __field($7, $12) __field($8, $13)),\n'\
	176	' 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'\
	177	' TP_printk()\n'\
	178	')\n'\
	179	'#endif/g'\
	180	${TMPFILE} >> ${HEADER}
	181
	182
	183	# types: 4 5 6 7 8 9
	184	# args 10 11 12 13 14 15
	185
	186	NRARGS=6
	187	grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE}
	188	perl -p -e 's/^syscall ([^ ]) nr ([^ ]) nbargs ([^ ]*) '\
	189	'types: \(([^,]), ([^,]), ([^,]), ([^,]), ([^,]), ([^\)])\) '\
	190	'args: \(([^,]), ([^,]), ([^,]), ([^,]), ([^,]), ([^\)])\)/'\
	191	'#ifndef OVERRIDE_'"${BITNESS}"'_sys_$1\n'\
	192	'SC_TRACE_EVENT(sys_$1,\n'\
	193	' TP_PROTO($4 $10, $5 $11, $6 $12, $7 $13, $8 $14, $9 $15),\n'\
	194	' TP_ARGS($10, $11, $12, $13, $14, $15),\n'\
	195	' TP_STRUCT__entry(__field($4, $10) __field($5, $11) __field($6, $12) __field($7, $13) __field($8, $14) __field($9, $15)),\n'\
	196	' 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'\
	197	' TP_printk()\n'\
	198	')\n'\
	199	'#endif/g'\
	200	${TMPFILE} >> ${HEADER}
	201
	202	# Macro for tracing syscall table
	203
	204	rm -f ${TMPFILE}
	205	for NRARGS in $(seq 0 6); do
	206	grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} >> ${TMPFILE}
	207	done
	208
	209	echo \
	210	"
	211	#endif /* _TRACE_SYSCALLS_${CLASSCAP}_H */
	212
	213	/* This part must be outside protection */
	214	#include \"../../../probes/define_trace.h\"
	215
	216	#else /* CREATE_SYSCALL_TABLE */
	217
	218	#include \"${INPUTFILE}_${CLASS}_override.h\"
	219	#include \"syscalls_${CLASS}_override.h\"
	220	" >> ${HEADER}
	221
	222	NRARGS=0
	223
	224	if [ "$CLASS" = integers ]; then
	225	#noargs
	226	grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE}
	227	perl -p -e 's/^syscall ([^ ]) nr ([^ ]) nbargs ([^ ]) .$/'\
	228	'#ifndef OVERRIDE_TABLE_'"${BITNESS}"'_sys_$1\n'\
	229	'TRACE_SYSCALL_TABLE\(syscalls_noargs, sys_$1, $2, $3\)\n'\
	230	'#endif/g'\
	231	${TMPFILE} >> ${HEADER}
	232	fi
	233
	234	#others.
	235	grep -v "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE}
	236	perl -p -e 's/^syscall ([^ ]) nr ([^ ]) nbargs ([^ ]) .$/'\
	237	'#ifndef OVERRIDE_TABLE_'"${BITNESS}"'_sys_$1\n'\
	238	'TRACE_SYSCALL_TABLE(sys_$1, sys_$1, $2, $3)\n'\
	239	'#endif/g'\
	240	${TMPFILE} >> ${HEADER}
	241
	242	echo -n \
	243	"
	244	#endif /* CREATE_SYSCALL_TABLE */
	245	" >> ${HEADER}
	246
	247	#fields names: ...char * type with name or file or path or root
	248	# or put_old or type
	249	cp -f ${HEADER} ${TMPFILE}
	250	rm -f ${HEADER}
	251	perl -p -e 's/__field\(([^,)]char \), ([^\)])(name\|file\|path\|root\|put_old\|type)([^\)])\)/__string_from_user($2$3$4, $2$3$4)/g'\
	252	${TMPFILE} >> ${HEADER}
	253	cp -f ${HEADER} ${TMPFILE}
	254	rm -f ${HEADER}
	255	perl -p -e 's/tp_assign\(([^,)]char \), ([^,])(name\|file\|path\|root\|put_old\|type)([^,]), ([^\)]*)\)/tp_copy_string_from_user($2$3$4, $5)/g'\
	256	${TMPFILE} >> ${HEADER}
	257
	258	#prettify addresses heuristics.
	259	#field names with addr or ptr
	260	cp -f ${HEADER} ${TMPFILE}
	261	rm -f ${HEADER}
	262	perl -p -e 's/__field\(([^,)]), ([^,)]addr\|[^,)]ptr)([^),])\)/__field_hex($1, $2$3)/g'\
	263	${TMPFILE} >> ${HEADER}
	264
	265	#field types ending with '*'
	266	cp -f ${HEADER} ${TMPFILE}
	267	rm -f ${HEADER}
	268	perl -p -e 's/__field\(([^,)]\), ([^),]*)\)/__field_hex($1, $2)/g'\
	269	${TMPFILE} >> ${HEADER}
	270
	271	#strip the extra type information from tp_assign.
	272	cp -f ${HEADER} ${TMPFILE}
	273	rm -f ${HEADER}
	274	perl -p -e 's/tp_assign\(([^,)]), ([^,]), ([^\)]*)\)/tp_assign($2, $3)/g'\
	275	${TMPFILE} >> ${HEADER}
	276
	277	rm -f ${INPUTFILE}.tmp
	278	rm -f ${TMPFILE}
	279	rm -f ${SRCFILE}