X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=instrumentation%2Fsyscalls%2Flttng-syscalls-generate-headers.sh;fp=instrumentation%2Fsyscalls%2Flttng-syscalls-generate-headers.sh;h=0000000000000000000000000000000000000000;hb=7c6d929d62a6e24fb1dbeaee5cd2c8afe77720b7;hp=df29abf71d7436c18ce38f441951349d7971c90e;hpb=cf77d12083b5092eca8c6f9899ec0892756845aa;p=lttng-modules.git diff --git a/instrumentation/syscalls/lttng-syscalls-generate-headers.sh b/instrumentation/syscalls/lttng-syscalls-generate-headers.sh deleted file mode 100755 index df29abf7..00000000 --- a/instrumentation/syscalls/lttng-syscalls-generate-headers.sh +++ /dev/null @@ -1,351 +0,0 @@ -#!/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 -# 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_${CLASSCAP}_H - -#include -#include -#include \"${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_${CLASSCAP}_H */ - -/* This part must be outside protection */ -#include - -#else /* CREATE_SYSCALL_TABLE */ - -#include \"${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