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

#!/bin/bash

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

CLASS=$1
VERSIONDIR=$2
INPUTFILE=$3
BITNESS=$4
INPUT=${VERSIONDIR}/${INPUTFILE}
HEADER=headers/${INPUTFILE}_${CLASS}.h

if [ x"$VERSIONDIR" = x"" ]; then
	echo "Error: Please specify input directory as second argument" >&2
	exit 1
fi

if [ x"$INPUTFILE" = x"" ]; then
	echo "Error: Please specify input file as third argument" >&2
	exit 1
fi

if [ x"$BITNESS" != x"32" ] && [ x"$BITNESS" != x"64" ]; then
	echo "Error: Please specify bitness as fourth argument (\"32\" or \"64\")" >&2
	exit 1
fi

# Abort on error and undefined variable
set -eu

# Create temp files
SRCFILE=$(mktemp)
TMPFILE=$(mktemp)

# Delete temp files on exit
trap 'rm -f "${SRCFILE}" "${TMPFILE}"' EXIT

cp "${INPUT}" "${SRCFILE}"

## Cleanup the input file
# Remove the dmesg timestamp if present
perl -pi -e 's/^\[.*\] //g' "${SRCFILE}"
# Remove the 'sys_' prefix from syscall names
perl -pi -e 's/^syscall sys_([^ ]*)/syscall $1/g' "${SRCFILE}"
# Remove the user attribute from arguments
sed -i 's/ __attribute__((user))//g' "${SRCFILE}"

#Filter

if [ "$CLASS" = integers ]; then
	#select integers and no-args.
	CLASSCAP=INTEGERS
	grep -v "\\*\|cap_user_header_t" "${SRCFILE}" > "${TMPFILE}"
	mv "${TMPFILE}" "${SRCFILE}"
elif [ "$CLASS" = pointers ]; then
	#select system calls using pointers.
	CLASSCAP=POINTERS
	grep "\\*\|cap_#user_header_t" "${SRCFILE}" > "${TMPFILE}"
	mv "${TMPFILE}" "${SRCFILE}"
else
	echo "Error: Please specify \"integers\" or \"pointers\" as first argument" >&2
	exit 1
fi


echo "/* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only) */

/* THIS FILE IS AUTO-GENERATED. DO NOT EDIT */

/* Generated from ${INPUTFILE} ${VERSIONDIR} */

#ifndef CREATE_SYSCALL_TABLE

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

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

if [ "$CLASS" = integers ]; then

	NRARGS=0

	# shellcheck disable=SC2129
	printf \
'#ifdef SC_ENTER
SC_LTTNG_TRACEPOINT_EVENT_CLASS_NOARGS(syscalls_noargs,
	TP_FIELDS()
)
' >> "${HEADER}"

	# shellcheck disable=SC2026
	grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " "${SRCFILE}" | \
		perl -p -e 's/^syscall ([^ ]*) nr ([^ ]*) nbargs ([^ ]*) '\
'types: \(([^)]*)\) '\
'args: \(([^)]*)\)/'\
'#ifndef OVERRIDE_'"${BITNESS}"'_$1\n'\
'SC_LTTNG_TRACEPOINT_EVENT_INSTANCE_NOARGS(syscalls_noargs, $1)\n'\
'#endif/g' >> "${HEADER}"

	printf '#else /* #ifdef SC_ENTER */\n' >> "${HEADER}"

	# shellcheck disable=SC2026
	grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " "${SRCFILE}" | \
		perl -p -e 's/^syscall ([^ ]*) nr ([^ ]*) nbargs ([^ ]*) '\
'types: \(([^)]*)\) '\
'args: \(([^)]*)\)/'\
'#ifndef OVERRIDE_'"${BITNESS}"'_$1\n'\
'SC_LTTNG_TRACEPOINT_EVENT($1,\n'\
'	TP_PROTO(sc_exit(long ret)),\n'\
'	TP_ARGS(sc_exit(ret)),\n'\
'	TP_FIELDS(sc_exit(ctf_integer(long, ret, ret)))\n'\
')\n'\
'#endif/g' >> "${HEADER}"

	printf '#endif /* else #ifdef SC_ENTER */\n' >> "${HEADER}"

fi


# types: 4
# args   5

NRARGS=1
grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " "${SRCFILE}" | while read -r LINE; do
	SC_NAME=$(echo "${LINE}" | perl -p -e 's/^syscall ([^ ]*) .*/$1/g')
	ARG1=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 1)

	echo Syscall: "${SC_NAME}" "${ARG1}"

	# shellcheck disable=SC2026
	echo "${LINE}" | perl -p -e 's/^syscall ([^ ]*) nr ([^ ]*) nbargs ([^ ]*) '\
'types: \(([^)]*)\) '\
'args: \(([^)]*)\)/'\
'#ifndef OVERRIDE_'"${BITNESS}"'_$1\n'\
'SC_LTTNG_TRACEPOINT_EVENT($1,\n'\
'	TP_PROTO(sc_exit(long ret,) $4 $5),\n'\
'	TP_ARGS(sc_exit(ret,) $5),\n'\
'	TP_FIELDS(sc_exit(ctf_integer(long, ret, ret)) '"${ARG1}"'(ctf_integer($4, $5, $5)))\n'\
')\n'\
'#endif/g' >> "${HEADER}"
done

# types: 4 5
# args   6 7

NRARGS=2
grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " "${SRCFILE}" | while read -r LINE; do
	SC_NAME=$(echo "${LINE}" | perl -p -e 's/^syscall ([^ ]*) .*/$1/g')
	ARG1=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 1)
	ARG2=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 2)

	echo Syscall: "${SC_NAME}" "${ARG1}" "${ARG2}"

	# shellcheck disable=SC2026
	echo "${LINE}" | perl -p -e 's/^syscall ([^ ]*) nr ([^ ]*) nbargs ([^ ]*) '\
'types: \(([^,]*), ([^)]*)\) '\
'args: \(([^,]*), ([^)]*)\)/'\
'#ifndef OVERRIDE_'"${BITNESS}"'_$1\n'\
'SC_LTTNG_TRACEPOINT_EVENT($1,\n'\
'	TP_PROTO(sc_exit(long ret,) $4 $6, $5 $7),\n'\
'	TP_ARGS(sc_exit(ret,) $6, $7),\n'\
'	TP_FIELDS(sc_exit(ctf_integer(long, ret, ret)) '"${ARG1}"'(ctf_integer($4, $6, $6)) '"${ARG2}"'(ctf_integer($5, $7, $7)))\n'\
')\n'\
'#endif/g' >> "${HEADER}"
done

# types: 4 5 6
# args   7 8 9

NRARGS=3
grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " "${SRCFILE}" | while read -r LINE; do
	SC_NAME=$(echo "${LINE}" | perl -p -e 's/^syscall ([^ ]*) .*/$1/g')
	ARG1=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 1)
	ARG2=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 2)
	ARG3=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 3)

	echo Syscall: "${SC_NAME}" "${ARG1}" "${ARG2}" "${ARG3}"

	# shellcheck disable=SC2026
	echo "${LINE}" | perl -p -e 's/^syscall ([^ ]*) nr ([^ ]*) nbargs ([^ ]*) '\
'types: \(([^,]*), ([^,]*), ([^)]*)\) '\
'args: \(([^,]*), ([^,]*), ([^)]*)\)/'\
'#ifndef OVERRIDE_'"${BITNESS}"'_$1\n'\
'SC_LTTNG_TRACEPOINT_EVENT($1,\n'\
'	TP_PROTO(sc_exit(long ret,) $4 $7, $5 $8, $6 $9),\n'\
'	TP_ARGS(sc_exit(ret,) $7, $8, $9),\n'\
'	TP_FIELDS(sc_exit(ctf_integer(long, ret, ret)) '"${ARG1}"'(ctf_integer($4, $7, $7)) '"${ARG2}"'(ctf_integer($5, $8, $8)) '"${ARG3}"'(ctf_integer($6, $9, $9)))\n'\
')\n'\
'#endif/g' >> "${HEADER}"
done


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

NRARGS=4
grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " "${SRCFILE}" | while read -r LINE; do
	SC_NAME=$(echo "${LINE}" | perl -p -e 's/^syscall ([^ ]*) .*/$1/g')
	ARG1=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 1)
	ARG2=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 2)
	ARG3=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 3)
	ARG4=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 4)

	echo Syscall: "${SC_NAME}" "${ARG1}" "${ARG2}" "${ARG3}" "${ARG4}"

	# shellcheck disable=SC2026
	echo "${LINE}" | perl -p -e 's/^syscall ([^ ]*) nr ([^ ]*) nbargs ([^ ]*) '\
'types: \(([^,]*), ([^,]*), ([^,]*), ([^)]*)\) '\
'args: \(([^,]*), ([^,]*), ([^,]*), ([^)]*)\)/'\
'#ifndef OVERRIDE_'"${BITNESS}"'_$1\n'\
'SC_LTTNG_TRACEPOINT_EVENT($1,\n'\
'	TP_PROTO(sc_exit(long ret,) $4 $8, $5 $9, $6 $10, $7 $11),\n'\
'	TP_ARGS(sc_exit(ret,) $8, $9, $10, $11),\n'\
'	TP_FIELDS(sc_exit(ctf_integer(long, ret, ret)) '"${ARG1}"'(ctf_integer($4, $8, $8)) '"${ARG2}"'(ctf_integer($5, $9, $9)) '"${ARG3}"'(ctf_integer($6, $10, $10)) '"${ARG4}"'(ctf_integer($7, $11, $11)))\n'\
')\n'\
'#endif/g' >> "${HEADER}"
done

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

NRARGS=5
grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " "${SRCFILE}" | while read -r LINE; do
	SC_NAME=$(echo "${LINE}" | perl -p -e 's/^syscall ([^ ]*) .*/$1/g')
	ARG1=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 1)
	ARG2=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 2)
	ARG3=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 3)
	ARG4=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 4)
	ARG5=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 5)

	echo Syscall: "${SC_NAME}" "${ARG1}" "${ARG2}" "${ARG3}" "${ARG4}" "${ARG5}"

	# shellcheck disable=SC2026
	echo "${LINE}" | perl -p -e 's/^syscall ([^ ]*) nr ([^ ]*) nbargs ([^ ]*) '\
'types: \(([^,]*), ([^,]*), ([^,]*), ([^,]*), ([^)]*)\) '\
'args: \(([^,]*), ([^,]*), ([^,]*), ([^,]*), ([^)]*)\)/'\
'#ifndef OVERRIDE_'"${BITNESS}"'_$1\n'\
'SC_LTTNG_TRACEPOINT_EVENT($1,\n'\
'	TP_PROTO(sc_exit(long ret,) $4 $9, $5 $10, $6 $11, $7 $12, $8 $13),\n'\
'	TP_ARGS(sc_exit(ret,) $9, $10, $11, $12, $13),\n'\
'	TP_FIELDS(sc_exit(ctf_integer(long, ret, ret)) '"${ARG1}"'(ctf_integer($4, $9, $9)) '"${ARG2}"'(ctf_integer($5, $10, $10)) '"${ARG3}"'(ctf_integer($6, $11, $11)) '"${ARG4}"'(ctf_integer($7, $12, $12)) '"${ARG5}"'(ctf_integer($8, $13, $13)))\n'\
')\n'\
'#endif/g' >> "${HEADER}"
done


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

NRARGS=6
grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " "${SRCFILE}" | while read -r LINE; do
	SC_NAME=$(echo "${LINE}" | perl -p -e 's/^syscall ([^ ]*) .*/$1/g')
	ARG1=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 1)
	ARG2=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 2)
	ARG3=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 3)
	ARG4=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 4)
	ARG5=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 5)
	ARG6=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 6)

	echo Syscall: "${SC_NAME}" "${ARG1}" "${ARG2}" "${ARG3}" "${ARG4}" "${ARG5}" "${ARG6}"

	# shellcheck disable=SC2026
	echo "${LINE}" | perl -p -e 's/^syscall ([^ ]*) nr ([^ ]*) nbargs ([^ ]*) '\
'types: \(([^,]*), ([^,]*), ([^,]*), ([^,]*), ([^,]*), ([^\)]*)\) '\
'args: \(([^,]*), ([^,]*), ([^,]*), ([^,]*), ([^,]*), ([^\)]*)\)/'\
'#ifndef OVERRIDE_'"${BITNESS}"'_$1\n'\
'SC_LTTNG_TRACEPOINT_EVENT($1,\n'\
'	TP_PROTO(sc_exit(long ret,) $4 $10, $5 $11, $6 $12, $7 $13, $8 $14, $9 $15),\n'\
'	TP_ARGS(sc_exit(ret,) $10, $11, $12, $13, $14, $15),\n'\
'	TP_FIELDS(sc_exit(ctf_integer(long, ret, ret)) '"${ARG1}"'(ctf_integer($4, $10, $10)) '"${ARG2}"'(ctf_integer($5, $11, $11)) '"${ARG3}"'(ctf_integer($6, $12, $12)) '"${ARG4}"'(ctf_integer($7, $13, $13)) '"${ARG5}"'(ctf_integer($8, $14, $14)) '"${ARG6}"'(ctf_integer($9, $15, $15)))\n'\
')\n'\
'#endif/g' >> "${HEADER}"
done

# Macro for tracing syscall table

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

	# shellcheck disable=SC2129
	printf '#ifdef SC_ENTER\n' >> "${HEADER}"

	# shellcheck disable=SC2026
	grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " "${SRCFILE}" | \
		perl -p -e 's/^syscall ([^ ]*) nr ([^ ]*) nbargs ([^ ]*) .*$/'\
'#ifndef OVERRIDE_TABLE_'"${BITNESS}"'_$1\n'\
'TRACE_SYSCALL_TABLE\(syscalls_noargs, $1, $2, $3\)\n'\
'#endif/g' >> "${HEADER}"

	printf '#else /* #ifdef SC_ENTER */\n' >> "${HEADER}"

	# shellcheck disable=SC2026
	grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " "${SRCFILE}" | \
		perl -p -e 's/^syscall ([^ ]*) nr ([^ ]*) nbargs ([^ ]*) .*$/'\
'#ifndef OVERRIDE_TABLE_'"${BITNESS}"'_$1\n'\
'TRACE_SYSCALL_TABLE($1, $1, $2, $3)\n'\
'#endif/g' >> "${HEADER}"

	printf '#endif /* else #ifdef SC_ENTER */\n' >> "${HEADER}"
fi

#others.
# shellcheck disable=SC2026
grep -v "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " "${SRCFILE}" | \
	perl -p -e 's/^syscall ([^ ]*) nr ([^ ]*) nbargs ([^ ]*) .*$/'\
'#ifndef OVERRIDE_TABLE_'"${BITNESS}"'_$1\n'\
'TRACE_SYSCALL_TABLE($1, $1, $2, $3)\n'\
'#endif/g' >> "${HEADER}"

printf '\n#endif /* CREATE_SYSCALL_TABLE */\n' >> "${HEADER}"

#fields names: ...char * type with *name* or *file* or *path* or *root*
# or *put_old* or *type*
perl -pi -e 's/ctf_integer\(([^,)]*char \*), ([^\)]*)(name|file|path|root|put_old|type)([^\)]*)\)/ctf_user_string($2$3$4)/g' \
	"${HEADER}"

#prettify addresses heuristics.
#field names with addr or ptr
perl -pi -e 's/ctf_integer\(([^,)]*), ([^,)]*addr|[^,)]*ptr)([^),]*)\)/ctf_integer_hex($1, $2$3, $2$3)/g' \
	"${HEADER}"

#field types ending with '*'
perl -pi -e 's/ctf_integer\(([^,)]*\*), ([^),]*)\)/ctf_integer_hex($1, $2, $2)/g' "${HEADER}"

# EOF
Commit	Line	Data
	1	#!/bin/bash
	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 64
	11	# lttng-syscalls-generate-headers.sh pointers 3.0.4 x86-64-syscalls 64
	12
	13	CLASS=$1
	14	VERSIONDIR=$2
	15	INPUTFILE=$3
	16	BITNESS=$4
	17	INPUT=${VERSIONDIR}/${INPUTFILE}
	18	HEADER=headers/${INPUTFILE}_${CLASS}.h
	19
	20	if [ x"$VERSIONDIR" = x"" ]; then
	21	echo "Error: Please specify input directory as second argument" >&2
	22	exit 1
	23	fi
	24
	25	if [ x"$INPUTFILE" = x"" ]; then
	26	echo "Error: Please specify input file as third argument" >&2
	27	exit 1
	28	fi
	29
	30	if [ x"$BITNESS" != x"32" ] && [ x"$BITNESS" != x"64" ]; then
	31	echo "Error: Please specify bitness as fourth argument (\"32\" or \"64\")" >&2
	32	exit 1
	33	fi
	34
	35	# Abort on error and undefined variable
	36	set -eu
	37
	38	# Create temp files
	39	SRCFILE=$(mktemp)
	40	TMPFILE=$(mktemp)
	41
	42	# Delete temp files on exit
	43	trap 'rm -f "${SRCFILE}" "${TMPFILE}"' EXIT
	44
	45	cp "${INPUT}" "${SRCFILE}"
	46
	47	## Cleanup the input file
	48	# Remove the dmesg timestamp if present
	49	perl -pi -e 's/^\[.*\] //g' "${SRCFILE}"
	50	# Remove the 'sys_' prefix from syscall names
	51	perl -pi -e 's/^syscall sys_([^ ]*)/syscall $1/g' "${SRCFILE}"
	52	# Remove the user attribute from arguments
	53	sed -i 's/ __attribute__((user))//g' "${SRCFILE}"
	54
	55	#Filter
	56
	57	if [ "$CLASS" = integers ]; then
	58	#select integers and no-args.
	59	CLASSCAP=INTEGERS
	60	grep -v "\\*\\|cap_user_header_t" "${SRCFILE}" > "${TMPFILE}"
	61	mv "${TMPFILE}" "${SRCFILE}"
	62	elif [ "$CLASS" = pointers ]; then
	63	#select system calls using pointers.
	64	CLASSCAP=POINTERS
	65	grep "\\*\\|cap_#user_header_t" "${SRCFILE}" > "${TMPFILE}"
	66	mv "${TMPFILE}" "${SRCFILE}"
	67	else
	68	echo "Error: Please specify \"integers\" or \"pointers\" as first argument" >&2
	69	exit 1
	70	fi
	71
	72
	73	echo "/* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only) */
	74
	75	/* THIS FILE IS AUTO-GENERATED. DO NOT EDIT */
	76
	77	/* Generated from ${INPUTFILE} ${VERSIONDIR} */
	78
	79	#ifndef CREATE_SYSCALL_TABLE
	80
	81	#if !defined(_TRACE_SYSCALLS_${CLASSCAP}_H) \|\| defined(TRACE_HEADER_MULTI_READ)
	82	#define _TRACE_SYSCALLS_${CLASSCAP}_H
	83
	84	#include <probes/lttng-tracepoint-event.h>
	85	#include <linux/syscalls.h>
	86	#include \"${INPUTFILE}_${CLASS}_override.h\"
	87	#include \"syscalls_${CLASS}_override.h\"
	88	" > "${HEADER}"
	89
	90	if [ "$CLASS" = integers ]; then
	91
	92	NRARGS=0
	93
	94	# shellcheck disable=SC2129
	95	printf \
	96	'#ifdef SC_ENTER
	97	SC_LTTNG_TRACEPOINT_EVENT_CLASS_NOARGS(syscalls_noargs,
	98	TP_FIELDS()
	99	)
	100	' >> "${HEADER}"
	101
	102	# shellcheck disable=SC2026
	103	grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " "${SRCFILE}" \| \
	104	perl -p -e 's/^syscall ([^ ]) nr ([^ ]) nbargs ([^ ]*) '\
	105	'types: \(([^)]*)\) '\
	106	'args: \(([^)]*)\)/'\
	107	'#ifndef OVERRIDE_'"${BITNESS}"'_$1\n'\
	108	'SC_LTTNG_TRACEPOINT_EVENT_INSTANCE_NOARGS(syscalls_noargs, $1)\n'\
	109	'#endif/g' >> "${HEADER}"
	110
	111	printf '#else /* #ifdef SC_ENTER */\n' >> "${HEADER}"
	112
	113	# shellcheck disable=SC2026
	114	grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " "${SRCFILE}" \| \
	115	perl -p -e 's/^syscall ([^ ]) nr ([^ ]) nbargs ([^ ]*) '\
	116	'types: \(([^)]*)\) '\
	117	'args: \(([^)]*)\)/'\
	118	'#ifndef OVERRIDE_'"${BITNESS}"'_$1\n'\
	119	'SC_LTTNG_TRACEPOINT_EVENT($1,\n'\
	120	' TP_PROTO(sc_exit(long ret)),\n'\
	121	' TP_ARGS(sc_exit(ret)),\n'\
	122	' TP_FIELDS(sc_exit(ctf_integer(long, ret, ret)))\n'\
	123	')\n'\
	124	'#endif/g' >> "${HEADER}"
	125
	126	printf '#endif /* else #ifdef SC_ENTER */\n' >> "${HEADER}"
	127
	128	fi
	129
	130
	131	# types: 4
	132	# args 5
	133
	134	NRARGS=1
	135	grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " "${SRCFILE}" \| while read -r LINE; do
	136	SC_NAME=$(echo "${LINE}" \| perl -p -e 's/^syscall ([^ ]) ./$1/g')
	137	ARG1=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 1)
	138
	139	echo Syscall: "${SC_NAME}" "${ARG1}"
	140
	141	# shellcheck disable=SC2026
	142	echo "${LINE}" \| perl -p -e 's/^syscall ([^ ]) nr ([^ ]) nbargs ([^ ]*) '\
	143	'types: \(([^)]*)\) '\
	144	'args: \(([^)]*)\)/'\
	145	'#ifndef OVERRIDE_'"${BITNESS}"'_$1\n'\
	146	'SC_LTTNG_TRACEPOINT_EVENT($1,\n'\
	147	' TP_PROTO(sc_exit(long ret,) $4 $5),\n'\
	148	' TP_ARGS(sc_exit(ret,) $5),\n'\
	149	' TP_FIELDS(sc_exit(ctf_integer(long, ret, ret)) '"${ARG1}"'(ctf_integer($4, $5, $5)))\n'\
	150	')\n'\
	151	'#endif/g' >> "${HEADER}"
	152	done
	153
	154	# types: 4 5
	155	# args 6 7
	156
	157	NRARGS=2
	158	grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " "${SRCFILE}" \| while read -r LINE; do
	159	SC_NAME=$(echo "${LINE}" \| perl -p -e 's/^syscall ([^ ]) ./$1/g')
	160	ARG1=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 1)
	161	ARG2=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 2)
	162
	163	echo Syscall: "${SC_NAME}" "${ARG1}" "${ARG2}"
	164
	165	# shellcheck disable=SC2026
	166	echo "${LINE}" \| perl -p -e 's/^syscall ([^ ]) nr ([^ ]) nbargs ([^ ]*) '\
	167	'types: \(([^,]), ([^)])\) '\
	168	'args: \(([^,]), ([^)])\)/'\
	169	'#ifndef OVERRIDE_'"${BITNESS}"'_$1\n'\
	170	'SC_LTTNG_TRACEPOINT_EVENT($1,\n'\
	171	' TP_PROTO(sc_exit(long ret,) $4 $6, $5 $7),\n'\
	172	' TP_ARGS(sc_exit(ret,) $6, $7),\n'\
	173	' TP_FIELDS(sc_exit(ctf_integer(long, ret, ret)) '"${ARG1}"'(ctf_integer($4, $6, $6)) '"${ARG2}"'(ctf_integer($5, $7, $7)))\n'\
	174	')\n'\
	175	'#endif/g' >> "${HEADER}"
	176	done
	177
	178	# types: 4 5 6
	179	# args 7 8 9
	180
	181	NRARGS=3
	182	grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " "${SRCFILE}" \| while read -r LINE; do
	183	SC_NAME=$(echo "${LINE}" \| perl -p -e 's/^syscall ([^ ]) ./$1/g')
	184	ARG1=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 1)
	185	ARG2=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 2)
	186	ARG3=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 3)
	187
	188	echo Syscall: "${SC_NAME}" "${ARG1}" "${ARG2}" "${ARG3}"
	189
	190	# shellcheck disable=SC2026
	191	echo "${LINE}" \| perl -p -e 's/^syscall ([^ ]) nr ([^ ]) nbargs ([^ ]*) '\
	192	'types: \(([^,]), ([^,]), ([^)]*)\) '\
	193	'args: \(([^,]), ([^,]), ([^)]*)\)/'\
	194	'#ifndef OVERRIDE_'"${BITNESS}"'_$1\n'\
	195	'SC_LTTNG_TRACEPOINT_EVENT($1,\n'\
	196	' TP_PROTO(sc_exit(long ret,) $4 $7, $5 $8, $6 $9),\n'\
	197	' TP_ARGS(sc_exit(ret,) $7, $8, $9),\n'\
	198	' TP_FIELDS(sc_exit(ctf_integer(long, ret, ret)) '"${ARG1}"'(ctf_integer($4, $7, $7)) '"${ARG2}"'(ctf_integer($5, $8, $8)) '"${ARG3}"'(ctf_integer($6, $9, $9)))\n'\
	199	')\n'\
	200	'#endif/g' >> "${HEADER}"
	201	done
	202
	203
	204	# types: 4 5 6 7
	205	# args 8 9 10 11
	206
	207	NRARGS=4
	208	grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " "${SRCFILE}" \| while read -r LINE; do
	209	SC_NAME=$(echo "${LINE}" \| perl -p -e 's/^syscall ([^ ]) ./$1/g')
	210	ARG1=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 1)
	211	ARG2=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 2)
	212	ARG3=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 3)
	213	ARG4=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 4)
	214
	215	echo Syscall: "${SC_NAME}" "${ARG1}" "${ARG2}" "${ARG3}" "${ARG4}"
	216
	217	# shellcheck disable=SC2026
	218	echo "${LINE}" \| perl -p -e 's/^syscall ([^ ]) nr ([^ ]) nbargs ([^ ]*) '\
	219	'types: \(([^,]), ([^,]), ([^,]), ([^)])\) '\
	220	'args: \(([^,]), ([^,]), ([^,]), ([^)])\)/'\
	221	'#ifndef OVERRIDE_'"${BITNESS}"'_$1\n'\
	222	'SC_LTTNG_TRACEPOINT_EVENT($1,\n'\
	223	' TP_PROTO(sc_exit(long ret,) $4 $8, $5 $9, $6 $10, $7 $11),\n'\
	224	' TP_ARGS(sc_exit(ret,) $8, $9, $10, $11),\n'\
	225	' TP_FIELDS(sc_exit(ctf_integer(long, ret, ret)) '"${ARG1}"'(ctf_integer($4, $8, $8)) '"${ARG2}"'(ctf_integer($5, $9, $9)) '"${ARG3}"'(ctf_integer($6, $10, $10)) '"${ARG4}"'(ctf_integer($7, $11, $11)))\n'\
	226	')\n'\
	227	'#endif/g' >> "${HEADER}"
	228	done
	229
	230	# types: 4 5 6 7 8
	231	# args 9 10 11 12 13
	232
	233	NRARGS=5
	234	grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " "${SRCFILE}" \| while read -r LINE; do
	235	SC_NAME=$(echo "${LINE}" \| perl -p -e 's/^syscall ([^ ]) ./$1/g')
	236	ARG1=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 1)
	237	ARG2=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 2)
	238	ARG3=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 3)
	239	ARG4=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 4)
	240	ARG5=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 5)
	241
	242	echo Syscall: "${SC_NAME}" "${ARG1}" "${ARG2}" "${ARG3}" "${ARG4}" "${ARG5}"
	243
	244	# shellcheck disable=SC2026
	245	echo "${LINE}" \| perl -p -e 's/^syscall ([^ ]) nr ([^ ]) nbargs ([^ ]*) '\
	246	'types: \(([^,]), ([^,]), ([^,]), ([^,]), ([^)]*)\) '\
	247	'args: \(([^,]), ([^,]), ([^,]), ([^,]), ([^)]*)\)/'\
	248	'#ifndef OVERRIDE_'"${BITNESS}"'_$1\n'\
	249	'SC_LTTNG_TRACEPOINT_EVENT($1,\n'\
	250	' TP_PROTO(sc_exit(long ret,) $4 $9, $5 $10, $6 $11, $7 $12, $8 $13),\n'\
	251	' TP_ARGS(sc_exit(ret,) $9, $10, $11, $12, $13),\n'\
	252	' TP_FIELDS(sc_exit(ctf_integer(long, ret, ret)) '"${ARG1}"'(ctf_integer($4, $9, $9)) '"${ARG2}"'(ctf_integer($5, $10, $10)) '"${ARG3}"'(ctf_integer($6, $11, $11)) '"${ARG4}"'(ctf_integer($7, $12, $12)) '"${ARG5}"'(ctf_integer($8, $13, $13)))\n'\
	253	')\n'\
	254	'#endif/g' >> "${HEADER}"
	255	done
	256
	257
	258	# types: 4 5 6 7 8 9
	259	# args 10 11 12 13 14 15
	260
	261	NRARGS=6
	262	grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " "${SRCFILE}" \| while read -r LINE; do
	263	SC_NAME=$(echo "${LINE}" \| perl -p -e 's/^syscall ([^ ]) ./$1/g')
	264	ARG1=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 1)
	265	ARG2=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 2)
	266	ARG3=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 3)
	267	ARG4=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 4)
	268	ARG5=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 5)
	269	ARG6=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 6)
	270
	271	echo Syscall: "${SC_NAME}" "${ARG1}" "${ARG2}" "${ARG3}" "${ARG4}" "${ARG5}" "${ARG6}"
	272
	273	# shellcheck disable=SC2026
	274	echo "${LINE}" \| perl -p -e 's/^syscall ([^ ]) nr ([^ ]) nbargs ([^ ]*) '\
	275	'types: \(([^,]), ([^,]), ([^,]), ([^,]), ([^,]), ([^\)])\) '\
	276	'args: \(([^,]), ([^,]), ([^,]), ([^,]), ([^,]), ([^\)])\)/'\
	277	'#ifndef OVERRIDE_'"${BITNESS}"'_$1\n'\
	278	'SC_LTTNG_TRACEPOINT_EVENT($1,\n'\
	279	' TP_PROTO(sc_exit(long ret,) $4 $10, $5 $11, $6 $12, $7 $13, $8 $14, $9 $15),\n'\
	280	' TP_ARGS(sc_exit(ret,) $10, $11, $12, $13, $14, $15),\n'\
	281	' TP_FIELDS(sc_exit(ctf_integer(long, ret, ret)) '"${ARG1}"'(ctf_integer($4, $10, $10)) '"${ARG2}"'(ctf_integer($5, $11, $11)) '"${ARG3}"'(ctf_integer($6, $12, $12)) '"${ARG4}"'(ctf_integer($7, $13, $13)) '"${ARG5}"'(ctf_integer($8, $14, $14)) '"${ARG6}"'(ctf_integer($9, $15, $15)))\n'\
	282	')\n'\
	283	'#endif/g' >> "${HEADER}"
	284	done
	285
	286	# Macro for tracing syscall table
	287
	288	echo \
	289	"
	290	#endif /* _TRACE_SYSCALLS_${CLASSCAP}_H */
	291
	292	/* This part must be outside protection */
	293	#include <probes/define_trace.h>
	294
	295	#else /* CREATE_SYSCALL_TABLE */
	296
	297	#include \"${INPUTFILE}_${CLASS}_override.h\"
	298	#include \"syscalls_${CLASS}_override.h\"
	299	" >> "${HEADER}"
	300
	301	NRARGS=0
	302
	303	if [ "$CLASS" = integers ]; then
	304	#noargs
	305
	306	# shellcheck disable=SC2129
	307	printf '#ifdef SC_ENTER\n' >> "${HEADER}"
	308
	309	# shellcheck disable=SC2026
	310	grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " "${SRCFILE}" \| \
	311	perl -p -e 's/^syscall ([^ ]) nr ([^ ]) nbargs ([^ ]) .$/'\
	312	'#ifndef OVERRIDE_TABLE_'"${BITNESS}"'_$1\n'\
	313	'TRACE_SYSCALL_TABLE\(syscalls_noargs, $1, $2, $3\)\n'\
	314	'#endif/g' >> "${HEADER}"
	315
	316	printf '#else /* #ifdef SC_ENTER */\n' >> "${HEADER}"
	317
	318	# shellcheck disable=SC2026
	319	grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " "${SRCFILE}" \| \
	320	perl -p -e 's/^syscall ([^ ]) nr ([^ ]) nbargs ([^ ]) .$/'\
	321	'#ifndef OVERRIDE_TABLE_'"${BITNESS}"'_$1\n'\
	322	'TRACE_SYSCALL_TABLE($1, $1, $2, $3)\n'\
	323	'#endif/g' >> "${HEADER}"
	324
	325	printf '#endif /* else #ifdef SC_ENTER */\n' >> "${HEADER}"
	326	fi
	327
	328	#others.
	329	# shellcheck disable=SC2026
	330	grep -v "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " "${SRCFILE}" \| \
	331	perl -p -e 's/^syscall ([^ ]) nr ([^ ]) nbargs ([^ ]) .$/'\
	332	'#ifndef OVERRIDE_TABLE_'"${BITNESS}"'_$1\n'\
	333	'TRACE_SYSCALL_TABLE($1, $1, $2, $3)\n'\
	334	'#endif/g' >> "${HEADER}"
	335
	336	printf '\n#endif /* CREATE_SYSCALL_TABLE */\n' >> "${HEADER}"
	337
	338	#fields names: ...char * type with name or file or path or root
	339	# or put_old or type
	340	perl -pi -e 's/ctf_integer\(([^,)]char \), ([^\)])(name\|file\|path\|root\|put_old\|type)([^\)])\)/ctf_user_string($2$3$4)/g' \
	341	"${HEADER}"
	342
	343	#prettify addresses heuristics.
	344	#field names with addr or ptr
	345	perl -pi -e 's/ctf_integer\(([^,)]), ([^,)]addr\|[^,)]ptr)([^),])\)/ctf_integer_hex($1, $2$3, $2$3)/g' \
	346	"${HEADER}"
	347
	348	#field types ending with '*'
	349	perl -pi -e 's/ctf_integer\(([^,)]\), ([^),]*)\)/ctf_integer_hex($1, $2, $2)/g' "${HEADER}"
	350
	351	# EOF