X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=instrumentation%2Fsyscalls%2Flttng-syscalls-generate-headers.sh;h=0096c69ba469f214bc876a5fbb514cbd22c578f3;hb=2879dbbcd21397431ed3621b925a5a154f91c09b;hp=4ab4599befc16479465b4a8b5557ede22a3f9da0;hpb=eafcf0ad62421fedc6ae922368d8b7b1edaaeb92;p=lttng-modules.git diff --git a/instrumentation/syscalls/lttng-syscalls-generate-headers.sh b/instrumentation/syscalls/lttng-syscalls-generate-headers.sh index 4ab4599b..0096c69b 100755 --- a/instrumentation/syscalls/lttng-syscalls-generate-headers.sh +++ b/instrumentation/syscalls/lttng-syscalls-generate-headers.sh @@ -1,8 +1,8 @@ -#!/bin/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. +# based on the name of the input file. # # example usage: # @@ -15,70 +15,113 @@ INPUTDIR=$2 INPUTFILE=$3 BITNESS=$4 INPUT=${INPUTDIR}/${INPUTFILE} -SRCFILE=gen.tmp.0 -TMPFILE=gen.tmp.1 HEADER=headers/${INPUTFILE}_${CLASS}.h -cp ${INPUT} ${SRCFILE} +if [ x"$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 -#Cleanup -perl -p -e 's/^\[.*\] //g' ${SRCFILE} > ${TMPFILE} -mv ${TMPFILE} ${SRCFILE} +# Create temp files +SRCFILE=$(mktemp) +TMPFILE=$(mktemp) -perl -p -e 's/^syscall sys_([^ ]*)/syscall $1/g' ${SRCFILE} > ${TMPFILE} -mv ${TMPFILE} ${SRCFILE} +# Delete temp files on exit +trap 'rm -f "${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} ${SRCFILE} -fi - - -if [ "$CLASS" = pointers ]; then + 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} ${SRCFILE} + grep "\\*\|cap_#user_header_t" "${SRCFILE}" > "${TMPFILE}" + mv "${TMPFILE}" "${SRCFILE}" +else + echo "Error: Please specify \"integers\" or \"pointers\" as first argument" >&2 + exit 1 fi -echo "/* THIS FILE IS AUTO-GENERATED. DO NOT EDIT */" > ${HEADER} -echo \ -"#ifndef CREATE_SYSCALL_TABLE +echo "/* SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1) */ + +/* THIS FILE IS AUTO-GENERATED. DO NOT EDIT */ + +#ifndef CREATE_SYSCALL_TABLE #if !defined(_TRACE_SYSCALLS_${CLASSCAP}_H) || defined(TRACE_HEADER_MULTI_READ) #define _TRACE_SYSCALLS_${CLASSCAP}_H -#include +#include #include #include \"${INPUTFILE}_${CLASS}_override.h\" #include \"syscalls_${CLASS}_override.h\" -" >> ${HEADER} +" > "${HEADER}" if [ "$CLASS" = integers ]; then -NRARGS=0 + NRARGS=0 -printf \ -'SC_DECLARE_EVENT_CLASS_NOARGS(syscalls_noargs,\n'\ -' TP_STRUCT__entry(),\n'\ -' TP_fast_assign(),\n'\ -' TP_printk()\n'\ -')'\ - >> ${HEADER} + # shellcheck disable=SC2129 + printf \ +'#ifdef SC_ENTER +SC_LTTNG_TRACEPOINT_EVENT_CLASS_NOARGS(syscalls_noargs, + TP_FIELDS() +) +' >> "${HEADER}" -grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE} -perl -p -e 's/^syscall ([^ ]*) nr ([^ ]*) nbargs ([^ ]*) '\ + # shellcheck disable=SC2026 + grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " "${SRCFILE}" | \ + 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} >> ${HEADER} +'#ifndef OVERRIDE_'"${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 @@ -87,193 +130,220 @@ fi # args 5 NRARGS=1 -grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE} -perl -p -e 's/^syscall ([^ ]*) nr ([^ ]*) nbargs ([^ ]*) '\ +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}"'_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, $5)),\n'\ -' TP_printk()\n'\ +'#ifndef OVERRIDE_'"${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'\ - ${TMPFILE} >> ${HEADER} +'#endif/g' >> "${HEADER}" +done # types: 4 5 # args 6 7 NRARGS=2 -grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE} -perl -p -e 's/^syscall ([^ ]*) nr ([^ ]*) nbargs ([^ ]*) '\ +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}"'_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, $7)),\n'\ -' TP_printk()\n'\ +'#ifndef OVERRIDE_'"${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'\ - ${TMPFILE} >> ${HEADER} +'#endif/g' >> "${HEADER}" +done # types: 4 5 6 # args 7 8 9 NRARGS=3 -grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE} -perl -p -e 's/^syscall ([^ ]*) nr ([^ ]*) nbargs ([^ ]*) '\ +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}"'_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, $9)),\n'\ -' TP_printk()\n'\ +'#ifndef OVERRIDE_'"${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'\ - ${TMPFILE} >> ${HEADER} +'#endif/g' >> "${HEADER}" +done # 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 ([^ ]*) '\ +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}"'_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, $11)),\n'\ -' TP_printk()\n'\ +'#ifndef OVERRIDE_'"${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'\ - ${TMPFILE} >> ${HEADER} +'#endif/g' >> "${HEADER}" +done # 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 ([^ ]*) '\ +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}"'_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, $13)),\n'\ -' TP_printk()\n'\ +'#ifndef OVERRIDE_'"${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'\ - ${TMPFILE} >> ${HEADER} +'#endif/g' >> "${HEADER}" +done # types: 4 5 6 7 8 9 # args 10 11 12 13 14 15 NRARGS=6 -grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE} -perl -p -e 's/^syscall ([^ ]*) nr ([^ ]*) nbargs ([^ ]*) '\ +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}"'_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, $15)),\n'\ -' TP_printk()\n'\ +'#ifndef OVERRIDE_'"${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'\ - ${TMPFILE} >> ${HEADER} +'#endif/g' >> "${HEADER}" +done # 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\" +#include #else /* CREATE_SYSCALL_TABLE */ #include \"${INPUTFILE}_${CLASS}_override.h\" #include \"syscalls_${CLASS}_override.h\" -" >> ${HEADER} +" >> "${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} >> ${HEADER} + #noargs + + # shellcheck disable=SC2129 + printf '#ifdef SC_ENTER\n' >> "${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. -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} +# 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* -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} +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 -cp -f ${HEADER} ${TMPFILE} -rm -f ${HEADER} -perl -p -e 's/__field\(([^,)]*), ([^,)]*addr|[^,)]*ptr)([^),]*)\)/__field_hex($1, $2$3)/g'\ - ${TMPFILE} >> ${HEADER} +perl -pi -e 's/ctf_integer\(([^,)]*), ([^,)]*addr|[^,)]*ptr)([^),]*)\)/ctf_integer_hex($1, $2$3, $2$3)/g' \ + "${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} +perl -pi -e 's/ctf_integer\(([^,)]*\*), ([^),]*)\)/ctf_integer_hex($1, $2, $2)/g' "${HEADER}" + +# EOF