Commit | Line | Data |
---|---|---|
b75d00c4 MD |
1 | #!/bin/sh |
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} |