+++ /dev/null
-#!/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_${CLASSCAP}_H
-
-#include <lttng/tracepoint-event.h>
-#include <linux/syscalls.h>
-#include \"${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_${CLASSCAP}_H */
-
-/* This part must be outside protection */
-#include <lttng/define_trace.h>
-
-#else /* CREATE_SYSCALL_TABLE */
-
-#include \"${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
projects / lttng-modules.git / blobdiff