projects / lttng-modules.git / blame
| Commit | Line | Data |
|---|---|---|
| b7150b71 | 1 | #!/bin/bash |
| b75d00c4 MD |
2 | |
| 3 | # example usage: | |
| 644d6e9c | 4 | # lttng-get-syscall-inout.sh table-syscall-inout.txt select 1 |
| b75d00c4 MD |
5 | |
| 6 | FILENAME=$1 | |
| 7 | SYSCALL_NAME=$2 | |
| 8 | ARG_NR=$3 | |
| 9 | TMPFILE=inout.tmp.1 | |
| 10 | TMPFILE2=inout.tmp.2 | |
| 11 | ||
| 12 | if [ x"${FILENAME}" = x"" ]; then | |
| 13 | echo "Error: Please specify input file name as first argument" | |
| 14 | exit 1 | |
| 15 | fi | |
| 16 | ||
| 17 | if [ x"${SYSCALL_NAME}" = x"" ]; then | |
| 18 | echo "Error: Please specify system call name as second argument" | |
| 19 | exit 1 | |
| 20 | fi | |
| 21 | ||
| 22 | if [[ x"${ARG_NR}" = x"" || ${ARG_NR} == 0 ]]; then | |
| 23 | echo "Error: Please specify argument number larger than 0 as 3rd argument" | |
| 24 | exit 1 | |
| 25 | fi | |
| 26 | ||
| 27 | grep "syscall ${SYSCALL_NAME} " ${FILENAME} > ${TMPFILE} | |
| 28 | perl -p -e 's/^syscall ([^ ]*) nbargs ([^ ]*) .*/'\ | |
| 29 | '$2/g' ${TMPFILE} > ${TMPFILE2} | |
| 30 | ||
| 31 | NR_MATCH=$(wc -l ${TMPFILE} | perl -p -e 's/^([^ ])*.*/$1/g') | |
| 32 | if [ ${NR_MATCH} -gt 1 ]; then | |
| 33 | echo "Error: more than one system call match" | |
| 34 | exit 1 | |
| 35 | fi | |
| 36 | ||
| 37 | if [ ${NR_MATCH} -eq 0 ]; then | |
| 38 | # no match, default to inout | |
| 39 | echo "sc_inout" | |
| 40 | exit 0 | |
| 41 | fi | |
| 42 | ||
| 43 | SC_ARGS=$(cat ${TMPFILE2}) | |
| 44 | ||
| 45 | if [ ${ARG_NR} -gt ${SC_ARGS} ]; then | |
| 46 | echo "Error: argument number (${ARG_NR}) is larger than number of syscall arguments (${SC_ARGS})" | |
| 47 | exit 1 | |
| 48 | fi | |
| 49 | ||
| 50 | if [ ${ARG_NR} == 1 ]; then | |
| 51 | perl -p -e 's/^syscall ([^ ]*) nbargs ([^ ]*) rw: \(([^,\)]*).*/$3/g' ${TMPFILE} > ${TMPFILE2} | |
| 52 | fi | |
| 53 | ||
| 54 | if [ ${ARG_NR} == 2 ]; then | |
| 55 | perl -p -e 's/^syscall ([^ ]*) nbargs ([^ ]*) rw: \([^,]*, ([^,\)]*).*/$3/g' ${TMPFILE} > ${TMPFILE2} | |
| 56 | fi | |
| 57 | ||
| 58 | if [ ${ARG_NR} == 3 ]; then | |
| 59 | perl -p -e 's/^syscall ([^ ]*) nbargs ([^ ]*) rw: \([^,]*, [^,]*, ([^,\)]*).*/$3/g' ${TMPFILE} > ${TMPFILE2} | |
| 60 | fi | |
| 61 | ||
| 62 | if [ ${ARG_NR} == 4 ]; then | |
| 63 | perl -p -e 's/^syscall ([^ ]*) nbargs ([^ ]*) rw: \([^,]*, [^,]*, [^,]*, ([^,\)]*).*/$3/g' ${TMPFILE} > ${TMPFILE2} | |
| 64 | fi | |
| 65 | ||
| 66 | if [ ${ARG_NR} == 5 ]; then | |
| 67 | perl -p -e 's/^syscall ([^ ]*) nbargs ([^ ]*) rw: \([^,]*, [^,]*, [^,]*, [^,]*, ([^,\)]*).*/$3/g' ${TMPFILE} > ${TMPFILE2} | |
| 68 | fi | |
| 69 | ||
| 70 | if [ ${ARG_NR} == 6 ]; then | |
| 71 | perl -p -e 's/^syscall ([^ ]*) nbargs ([^ ]*) rw: \([^,]*, [^,]*, [^,]*, [^,]*, [^,]*, ([^,\)]*).*/$3/g' ${TMPFILE} > ${TMPFILE2} | |
| 72 | fi | |
| 73 | ||
| 74 | SC_ARG_TYPE=$(cat ${TMPFILE2}) | |
| 75 | ||
| 76 | if [ ${SC_ARG_TYPE} = "r" ]; then | |
| 77 | echo "sc_in" | |
| 78 | fi | |
| 79 | if [ ${SC_ARG_TYPE} = "w" ]; then | |
| 80 | echo "sc_out" | |
| 81 | fi | |
| 82 | if [ ${SC_ARG_TYPE} = "rw" ]; then | |
| 83 | echo "sc_inout" | |
| 84 | fi | |
| 85 | ||
| 86 | rm -f ${TMPFILE} ${TMPFILE2} |