[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-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}/${INPUTFILE}
HEADER=headers/${INPUTFILE}_${CLASS}.h

if [ x"$INPUTDIR" = 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 or LGPL-2.1) */

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

#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
2879dbbc	1	#!/bin/bash
5fee13fd MD	2
5fee13fd MD	3	# Generate system call probe description macros from syscall metadata dump file.
eafcf0ad	4	# The resulting header will be written in the headers subdirectory, in a file name
2879dbbc	5	# based on the name of the input file.
eafcf0ad	6	#
5fee13fd	7	# example usage:
25631135	8	#
eafcf0ad	9	# lttng-syscalls-generate-headers.sh <type> <input_dir> <input_filename_in_dir> <bitness>
daaf627a MD	10	# lttng-syscalls-generate-headers.sh integers 3.0.4 x86-64-syscalls-3.0.4 64
daaf627a MD	11	# lttng-syscalls-generate-headers.sh pointers 3.0.4 x86-64-syscalls-3.0.4 64
5fee13fd	12
25631135 MD	13	CLASS=$1
	14	INPUTDIR=$2
	15	INPUTFILE=$3
daaf627a	16	BITNESS=$4
5fee13fd	17	INPUT=${INPUTDIR}/${INPUTFILE}
177b3692	18	HEADER=headers/${INPUTFILE}_${CLASS}.h
5fee13fd	19
94f9e233	20	if [ x"$INPUTDIR" = x"" ]; then
2879dbbc	21	echo "Error: Please specify input directory as second argument" >&2
94f9e233 MD	22	exit 1
	23	fi
	24
	25	if [ x"$INPUTFILE" = x"" ]; then
2879dbbc	26	echo "Error: Please specify input file as third argument" >&2
94f9e233 MD	27	exit 1
	28	fi
	29
	30	if [ x"$BITNESS" != x"32" ] && [ x"$BITNESS" != x"64" ]; then
2879dbbc	31	echo "Error: Please specify bitness as fourth argument (\"32\" or \"64\")" >&2
94f9e233 MD	32	exit 1
	33	fi
	34
2879dbbc MJ	35	# Abort on error and undefined variable
2879dbbc MJ	36	set -eu
5fee13fd	37
2879dbbc MJ	38	# Create temp files
	39	SRCFILE=$(mktemp)
	40	TMPFILE=$(mktemp)
5fee13fd	41
2879dbbc MJ	42	# Delete temp files on exit
	43	trap 'rm -f "${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' "${SRCFILE}"
5fee13fd MD	54
	55	#Filter
	56
25631135 MD	57	if [ "$CLASS" = integers ]; then
25631135 MD	58	#select integers and no-args.
177b3692	59	CLASSCAP=INTEGERS
2879dbbc MJ	60	grep -v "\\*\\|cap_user_header_t" "${SRCFILE}" > "${TMPFILE}"
	61	mv "${TMPFILE}" "${SRCFILE}"
	62	elif [ "$CLASS" = pointers ]; then
25631135	63	#select system calls using pointers.
177b3692	64	CLASSCAP=POINTERS
2879dbbc MJ	65	grep "\\*\\|cap_#user_header_t" "${SRCFILE}" > "${TMPFILE}"
	66	mv "${TMPFILE}" "${SRCFILE}"
	67	else
	68	echo "Error: Please specify \"integers\" or \"pointers\" as first argument" >&2
94f9e233 MD	69	exit 1
	70	fi
	71
5fee13fd	72
2879dbbc MJ	73	echo "/* SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1) */
	74
	75	/* THIS FILE IS AUTO-GENERATED. DO NOT EDIT */
	76
	77	#ifndef CREATE_SYSCALL_TABLE
054f2ed3	78
177b3692 MD	79	#if !defined(_TRACE_SYSCALLS_${CLASSCAP}_H) \|\| defined(TRACE_HEADER_MULTI_READ)
177b3692 MD	80	#define _TRACE_SYSCALLS_${CLASSCAP}_H
5fee13fd	81
6d7f376d	82	#include <probes/lttng-tracepoint-event.h>
5fee13fd	83	#include <linux/syscalls.h>
1dc9d1cf	84	#include \"${INPUTFILE}_${CLASS}_override.h\"
daaf627a	85	#include \"syscalls_${CLASS}_override.h\"
2879dbbc	86	" > "${HEADER}"
5fee13fd	87
25631135 MD	88	if [ "$CLASS" = integers ]; then
25631135 MD	89
2879dbbc	90	NRARGS=0
fc4f7161	91
2879dbbc MJ	92	# shellcheck disable=SC2129
	93	printf \
	94	'#ifdef SC_ENTER
	95	SC_LTTNG_TRACEPOINT_EVENT_CLASS_NOARGS(syscalls_noargs,
	96	TP_FIELDS()
	97	)
	98	' >> "${HEADER}"
f7bdf4db	99
2879dbbc MJ	100	# shellcheck disable=SC2026
	101	grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " "${SRCFILE}" \| \
	102	perl -p -e 's/^syscall ([^ ]) nr ([^ ]) nbargs ([^ ]*) '\
177b3692 MD	103	'types: \(([^)]*)\) '\
177b3692 MD	104	'args: \(([^)]*)\)/'\
644d6e9c	105	'#ifndef OVERRIDE_'"${BITNESS}"'_$1\n'\
cb3ef14c	106	'SC_LTTNG_TRACEPOINT_EVENT_INSTANCE_NOARGS(syscalls_noargs, $1)\n'\
2879dbbc	107	'#endif/g' >> "${HEADER}"
f7bdf4db	108
2879dbbc	109	printf '#else /* #ifdef SC_ENTER */\n' >> "${HEADER}"
fc4f7161	110
2879dbbc MJ	111	# shellcheck disable=SC2026
	112	grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " "${SRCFILE}" \| \
	113	perl -p -e 's/^syscall ([^ ]) nr ([^ ]) nbargs ([^ ]*) '\
fc4f7161 MD	114	'types: \(([^)]*)\) '\
fc4f7161 MD	115	'args: \(([^)]*)\)/'\
644d6e9c	116	'#ifndef OVERRIDE_'"${BITNESS}"'_$1\n'\
cb3ef14c	117	'SC_LTTNG_TRACEPOINT_EVENT($1,\n'\
fc4f7161 MD	118	' TP_PROTO(sc_exit(long ret)),\n'\
fc4f7161 MD	119	' TP_ARGS(sc_exit(ret)),\n'\
57ede728	120	' TP_FIELDS(sc_exit(ctf_integer(long, ret, ret)))\n'\
fc4f7161	121	')\n'\
2879dbbc	122	'#endif/g' >> "${HEADER}"
fc4f7161	123
2879dbbc	124	printf '#endif /* else #ifdef SC_ENTER */\n' >> "${HEADER}"
fc4f7161	125
25631135	126	fi
5fee13fd	127
177b3692	128
5fee13fd MD	129	# types: 4
	130	# args 5
	131
	132	NRARGS=1
2879dbbc MJ	133	grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " "${SRCFILE}" \| while read -r LINE; do
	134	SC_NAME=$(echo "${LINE}" \| perl -p -e 's/^syscall ([^ ]) ./$1/g')
	135	ARG1=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 1)
	136
	137	echo Syscall: "${SC_NAME}" "${ARG1}"
	138
	139	# shellcheck disable=SC2026
	140	echo "${LINE}" \| perl -p -e 's/^syscall ([^ ]) nr ([^ ]) nbargs ([^ ]*) '\
177b3692 MD	141	'types: \(([^)]*)\) '\
177b3692 MD	142	'args: \(([^)]*)\)/'\
644d6e9c	143	'#ifndef OVERRIDE_'"${BITNESS}"'_$1\n'\
cb3ef14c	144	'SC_LTTNG_TRACEPOINT_EVENT($1,\n'\
fc4f7161 MD	145	' TP_PROTO(sc_exit(long ret,) $4 $5),\n'\
fc4f7161 MD	146	' TP_ARGS(sc_exit(ret,) $5),\n'\
57ede728	147	' TP_FIELDS(sc_exit(ctf_integer(long, ret, ret)) '"${ARG1}"'(ctf_integer($4, $5, $5)))\n'\
1dc9d1cf	148	')\n'\
2879dbbc MJ	149	'#endif/g' >> "${HEADER}"
2879dbbc MJ	150	done
5fee13fd MD	151
	152	# types: 4 5
	153	# args 6 7
	154
	155	NRARGS=2
2879dbbc MJ	156	grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " "${SRCFILE}" \| while read -r LINE; do
	157	SC_NAME=$(echo "${LINE}" \| perl -p -e 's/^syscall ([^ ]) ./$1/g')
	158	ARG1=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 1)
	159	ARG2=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 2)
	160
	161	echo Syscall: "${SC_NAME}" "${ARG1}" "${ARG2}"
	162
	163	# shellcheck disable=SC2026
	164	echo "${LINE}" \| perl -p -e 's/^syscall ([^ ]) nr ([^ ]) nbargs ([^ ]*) '\
177b3692 MD	165	'types: \(([^,]), ([^)])\) '\
177b3692 MD	166	'args: \(([^,]), ([^)])\)/'\
644d6e9c	167	'#ifndef OVERRIDE_'"${BITNESS}"'_$1\n'\
cb3ef14c	168	'SC_LTTNG_TRACEPOINT_EVENT($1,\n'\
fc4f7161 MD	169	' TP_PROTO(sc_exit(long ret,) $4 $6, $5 $7),\n'\
fc4f7161 MD	170	' TP_ARGS(sc_exit(ret,) $6, $7),\n'\
57ede728	171	' TP_FIELDS(sc_exit(ctf_integer(long, ret, ret)) '"${ARG1}"'(ctf_integer($4, $6, $6)) '"${ARG2}"'(ctf_integer($5, $7, $7)))\n'\
1dc9d1cf	172	')\n'\
2879dbbc MJ	173	'#endif/g' >> "${HEADER}"
2879dbbc MJ	174	done
5fee13fd MD	175
	176	# types: 4 5 6
	177	# args 7 8 9
	178
	179	NRARGS=3
2879dbbc MJ	180	grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " "${SRCFILE}" \| while read -r LINE; do
	181	SC_NAME=$(echo "${LINE}" \| perl -p -e 's/^syscall ([^ ]) ./$1/g')
	182	ARG1=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 1)
	183	ARG2=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 2)
	184	ARG3=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 3)
	185
	186	echo Syscall: "${SC_NAME}" "${ARG1}" "${ARG2}" "${ARG3}"
	187
	188	# shellcheck disable=SC2026
	189	echo "${LINE}" \| perl -p -e 's/^syscall ([^ ]) nr ([^ ]) nbargs ([^ ]*) '\
177b3692 MD	190	'types: \(([^,]), ([^,]), ([^)]*)\) '\
177b3692 MD	191	'args: \(([^,]), ([^,]), ([^)]*)\)/'\
644d6e9c	192	'#ifndef OVERRIDE_'"${BITNESS}"'_$1\n'\
cb3ef14c	193	'SC_LTTNG_TRACEPOINT_EVENT($1,\n'\
fc4f7161 MD	194	' TP_PROTO(sc_exit(long ret,) $4 $7, $5 $8, $6 $9),\n'\
fc4f7161 MD	195	' TP_ARGS(sc_exit(ret,) $7, $8, $9),\n'\
57ede728	196	' TP_FIELDS(sc_exit(ctf_integer(long, ret, ret)) '"${ARG1}"'(ctf_integer($4, $7, $7)) '"${ARG2}"'(ctf_integer($5, $8, $8)) '"${ARG3}"'(ctf_integer($6, $9, $9)))\n'\
1dc9d1cf	197	')\n'\
2879dbbc MJ	198	'#endif/g' >> "${HEADER}"
2879dbbc MJ	199	done
5fee13fd MD	200
	201
	202	# types: 4 5 6 7
	203	# args 8 9 10 11
	204
	205	NRARGS=4
2879dbbc MJ	206	grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " "${SRCFILE}" \| while read -r LINE; do
	207	SC_NAME=$(echo "${LINE}" \| perl -p -e 's/^syscall ([^ ]) ./$1/g')
	208	ARG1=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 1)
	209	ARG2=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 2)
	210	ARG3=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 3)
	211	ARG4=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 4)
	212
	213	echo Syscall: "${SC_NAME}" "${ARG1}" "${ARG2}" "${ARG3}" "${ARG4}"
	214
	215	# shellcheck disable=SC2026
	216	echo "${LINE}" \| perl -p -e 's/^syscall ([^ ]) nr ([^ ]) nbargs ([^ ]*) '\
177b3692 MD	217	'types: \(([^,]), ([^,]), ([^,]), ([^)])\) '\
177b3692 MD	218	'args: \(([^,]), ([^,]), ([^,]), ([^)])\)/'\
644d6e9c	219	'#ifndef OVERRIDE_'"${BITNESS}"'_$1\n'\
cb3ef14c	220	'SC_LTTNG_TRACEPOINT_EVENT($1,\n'\
fc4f7161 MD	221	' TP_PROTO(sc_exit(long ret,) $4 $8, $5 $9, $6 $10, $7 $11),\n'\
fc4f7161 MD	222	' TP_ARGS(sc_exit(ret,) $8, $9, $10, $11),\n'\
57ede728	223	' TP_FIELDS(sc_exit(ctf_integer(long, ret, ret)) '"${ARG1}"'(ctf_integer($4, $8, $8)) '"${ARG2}"'(ctf_integer($5, $9, $9)) '"${ARG3}"'(ctf_integer($6, $10, $10)) '"${ARG4}"'(ctf_integer($7, $11, $11)))\n'\
1dc9d1cf	224	')\n'\
2879dbbc MJ	225	'#endif/g' >> "${HEADER}"
2879dbbc MJ	226	done
5fee13fd MD	227
	228	# types: 4 5 6 7 8
	229	# args 9 10 11 12 13
	230
	231	NRARGS=5
2879dbbc MJ	232	grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " "${SRCFILE}" \| while read -r LINE; do
	233	SC_NAME=$(echo "${LINE}" \| perl -p -e 's/^syscall ([^ ]) ./$1/g')
	234	ARG1=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 1)
	235	ARG2=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 2)
	236	ARG3=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 3)
	237	ARG4=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 4)
	238	ARG5=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 5)
	239
	240	echo Syscall: "${SC_NAME}" "${ARG1}" "${ARG2}" "${ARG3}" "${ARG4}" "${ARG5}"
	241
	242	# shellcheck disable=SC2026
	243	echo "${LINE}" \| perl -p -e 's/^syscall ([^ ]) nr ([^ ]) nbargs ([^ ]*) '\
177b3692 MD	244	'types: \(([^,]), ([^,]), ([^,]), ([^,]), ([^)]*)\) '\
177b3692 MD	245	'args: \(([^,]), ([^,]), ([^,]), ([^,]), ([^)]*)\)/'\
644d6e9c	246	'#ifndef OVERRIDE_'"${BITNESS}"'_$1\n'\
cb3ef14c	247	'SC_LTTNG_TRACEPOINT_EVENT($1,\n'\
fc4f7161 MD	248	' TP_PROTO(sc_exit(long ret,) $4 $9, $5 $10, $6 $11, $7 $12, $8 $13),\n'\
fc4f7161 MD	249	' TP_ARGS(sc_exit(ret,) $9, $10, $11, $12, $13),\n'\
57ede728	250	' TP_FIELDS(sc_exit(ctf_integer(long, ret, ret)) '"${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, $13)))\n'\
1dc9d1cf	251	')\n'\
2879dbbc MJ	252	'#endif/g' >> "${HEADER}"
2879dbbc MJ	253	done
5fee13fd MD	254
	255
	256	# types: 4 5 6 7 8 9
	257	# args 10 11 12 13 14 15
	258
	259	NRARGS=6
2879dbbc MJ	260	grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " "${SRCFILE}" \| while read -r LINE; do
	261	SC_NAME=$(echo "${LINE}" \| perl -p -e 's/^syscall ([^ ]) ./$1/g')
	262	ARG1=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 1)
	263	ARG2=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 2)
	264	ARG3=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 3)
	265	ARG4=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 4)
	266	ARG5=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 5)
	267	ARG6=$(./lttng-get-syscall-inout.sh table-syscall-inout.txt "${SC_NAME}" 6)
	268
	269	echo Syscall: "${SC_NAME}" "${ARG1}" "${ARG2}" "${ARG3}" "${ARG4}" "${ARG5}" "${ARG6}"
	270
	271	# shellcheck disable=SC2026
	272	echo "${LINE}" \| perl -p -e 's/^syscall ([^ ]) nr ([^ ]) nbargs ([^ ]*) '\
177b3692 MD	273	'types: \(([^,]), ([^,]), ([^,]), ([^,]), ([^,]), ([^\)])\) '\
177b3692 MD	274	'args: \(([^,]), ([^,]), ([^,]), ([^,]), ([^,]), ([^\)])\)/'\
644d6e9c	275	'#ifndef OVERRIDE_'"${BITNESS}"'_$1\n'\
cb3ef14c	276	'SC_LTTNG_TRACEPOINT_EVENT($1,\n'\
fc4f7161 MD	277	' TP_PROTO(sc_exit(long ret,) $4 $10, $5 $11, $6 $12, $7 $13, $8 $14, $9 $15),\n'\
fc4f7161 MD	278	' TP_ARGS(sc_exit(ret,) $10, $11, $12, $13, $14, $15),\n'\
57ede728	279	' TP_FIELDS(sc_exit(ctf_integer(long, ret, ret)) '"${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, $15)))\n'\
1dc9d1cf	280	')\n'\
2879dbbc MJ	281	'#endif/g' >> "${HEADER}"
2879dbbc MJ	282	done
5fee13fd	283
9b6d7a0c MD	284	# Macro for tracing syscall table
9b6d7a0c MD	285
054f2ed3	286	echo \
5fee13fd	287	"
177b3692	288	#endif /* _TRACE_SYSCALLS_${CLASSCAP}_H */
5fee13fd MD	289
5fee13fd MD	290	/* This part must be outside protection */
6d7f376d	291	#include <probes/define_trace.h>
054f2ed3 MD	292
054f2ed3 MD	293	#else /* CREATE_SYSCALL_TABLE */
054f2ed3	294
cac8f1aa	295	#include \"${INPUTFILE}_${CLASS}_override.h\"
daaf627a	296	#include \"syscalls_${CLASS}_override.h\"
2879dbbc	297	" >> "${HEADER}"
f7bdf4db MD	298
f7bdf4db MD	299	NRARGS=0
f7bdf4db	300
25631135	301	if [ "$CLASS" = integers ]; then
2879dbbc	302	#noargs
fc4f7161	303
2879dbbc MJ	304	# shellcheck disable=SC2129
2879dbbc MJ	305	printf '#ifdef SC_ENTER\n' >> "${HEADER}"
fc4f7161	306
2879dbbc MJ	307	# shellcheck disable=SC2026
	308	grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " "${SRCFILE}" \| \
	309	perl -p -e 's/^syscall ([^ ]) nr ([^ ]) nbargs ([^ ]) .$/'\
644d6e9c MD	310	'#ifndef OVERRIDE_TABLE_'"${BITNESS}"'_$1\n'\
644d6e9c MD	311	'TRACE_SYSCALL_TABLE\(syscalls_noargs, $1, $2, $3\)\n'\
2879dbbc	312	'#endif/g' >> "${HEADER}"
fc4f7161	313
2879dbbc	314	printf '#else /* #ifdef SC_ENTER */\n' >> "${HEADER}"
fc4f7161	315
2879dbbc MJ	316	# shellcheck disable=SC2026
	317	grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " "${SRCFILE}" \| \
	318	perl -p -e 's/^syscall ([^ ]) nr ([^ ]) nbargs ([^ ]) .$/'\
644d6e9c MD	319	'#ifndef OVERRIDE_TABLE_'"${BITNESS}"'_$1\n'\
644d6e9c MD	320	'TRACE_SYSCALL_TABLE($1, $1, $2, $3)\n'\
2879dbbc	321	'#endif/g' >> "${HEADER}"
fc4f7161	322
2879dbbc	323	printf '#endif /* else #ifdef SC_ENTER */\n' >> "${HEADER}"
25631135	324	fi
f7bdf4db MD	325
f7bdf4db MD	326	#others.
2879dbbc MJ	327	# shellcheck disable=SC2026
	328	grep -v "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " "${SRCFILE}" \| \
	329	perl -p -e 's/^syscall ([^ ]) nr ([^ ]) nbargs ([^ ]) .$/'\
644d6e9c MD	330	'#ifndef OVERRIDE_TABLE_'"${BITNESS}"'_$1\n'\
644d6e9c MD	331	'TRACE_SYSCALL_TABLE($1, $1, $2, $3)\n'\
2879dbbc	332	'#endif/g' >> "${HEADER}"
054f2ed3	333
2879dbbc	334	printf '\n#endif /* CREATE_SYSCALL_TABLE */\n' >> "${HEADER}"
5fee13fd	335
e374aaf1 MD	336	#fields names: ...char * type with name or file or path or root
e374aaf1 MD	337	# or put_old or type
2879dbbc MJ	338	perl -pi -e 's/ctf_integer\(([^,)]char \), ([^\)])(name\|file\|path\|root\|put_old\|type)([^\)])\)/ctf_user_string($2$3$4)/g' \
2879dbbc MJ	339	"${HEADER}"
d0b4f04b MD	340
	341	#prettify addresses heuristics.
	342	#field names with addr or ptr
2879dbbc MJ	343	perl -pi -e 's/ctf_integer\(([^,)]), ([^,)]addr\|[^,)]ptr)([^),])\)/ctf_integer_hex($1, $2$3, $2$3)/g' \
2879dbbc MJ	344	"${HEADER}"
f4c4a6ae	345
d0b4f04b	346	#field types ending with '*'
2879dbbc MJ	347	perl -pi -e 's/ctf_integer\(([^,)]\), ([^),]*)\)/ctf_integer_hex($1, $2, $2)/g' "${HEADER}"
	348
	349	# EOF