3 # Generate system call probe description macros from syscall metadata dump file.
5 # lttng-syscalls-generate-headers.sh 3.0.4 x86-64-syscalls-3.0.4
9 INPUT
=${INPUTDIR}/${INPUTFILE}
13 cp ${INPUT} ${SRCFILE}
16 sed 's/^\[.*\] //g' ${SRCFILE} > ${TMPFILE}
17 mv ${TMPFILE} ${SRCFILE}
19 sed 's/^syscall sys_\([^ ]*\)/syscall \1/g' ${SRCFILE} > ${TMPFILE}
20 mv ${TMPFILE} ${SRCFILE}
24 #select only syscalls we currently support
25 #move non-pointers with arguments to a integer-only file.
27 grep -v "\\*\|cap_user_header_t" ${SRCFILE} > ${TMPFILE}
28 mv ${TMPFILE} ${SRCFILE}
31 # move all system calls using pointers to a separate file.
33 #grep "\\*\|cap_#user_header_t" ${SRCFILE} > ${TMPFILE}
34 #mv ${TMPFILE} ${SRCFILE}
37 #move those without arguments to a separate file.
39 #grep "^syscall [^ ]* nr [^ ]* nbargs 0 " ${SRCFILE} > ${TMPFILE}
40 #mv ${TMPFILE} ${SRCFILE}
42 HEADER
=headers
/${INPUTFILE}-${CLASS}.h
44 echo "/* THIS FILE IS AUTO-GENERATED. DO NOT EDIT */" > ${HEADER}
47 "#ifndef CREATE_SYSCALL_TABLE
50 #define TRACE_SYSTEM syscalls
52 #if !defined(_TRACE_SYSCALLS_H) || defined(TRACE_HEADER_MULTI_READ)
53 #define _TRACE_SYSCALLS_H
55 #include <linux/tracepoint.h>
56 #include <linux/syscalls.h>
65 grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE}
66 sed 's/^syscall \([^ ]*\) nr \([^ ]*\) nbargs \([^ ]*\) '\
67 'types: (\([^)]*\)) '\
69 'TRACE_EVENT(sys_\1,\n'\
70 ' TP_PROTO(\4 \5),\n'\
72 ' TP_STRUCT__entry(__field(\4, \5)),\n'\
73 ' TP_fast_assign(tp_assign(\5, \5)),\n'\
76 ${TMPFILE} >> ${HEADER}
82 grep "^syscall
[^
]* nr
[^
]* nbargs
${NRARGS} " ${SRCFILE} > ${TMPFILE}
83 sed 's/^syscall \([^ ]*\) nr \([^ ]*\) nbargs \([^ ]*\) '\
84 'types: (\([^,]*\), \([^)]*\)) '\
85 'args: (\([^,]*\), \([^)]*\))/'\
86 'TRACE_EVENT(sys_\1,\n'\
87 ' TP_PROTO(\4 \6, \5 \7),\n'\
88 ' TP_ARGS(\6, \7),\n'\
89 ' TP_STRUCT__entry(__field(\4, \6) __field(\5, \7)),\n'\
90 ' TP_fast_assign(tp_assign(\6, \6) tp_assign(\7, \7)),\n'\
93 ${TMPFILE} >> ${HEADER}
99 grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE}
100 sed 's/^syscall \([^ ]*\) nr \([^ ]*\) nbargs \([^ ]*\) '\
101 'types: (\([^,]*\), \([^,]*\), \([^)]*\)) '\
102 'args: (\([^,]*\), \([^,]*\), \([^)]*\))/'\
103 'TRACE_EVENT(sys_\1,\n'\
104 ' TP_PROTO(\4 \7, \5 \8, \6 \9),\n'\
105 ' TP_ARGS(\7, \8, \9),\n'\
106 ' TP_STRUCT__entry(__field(\4, \7) __field(\5, \8) __field(\6, \9)),\n'\
107 ' TP_fast_assign(tp_assign(\7, \7) tp_assign(\8, \8) tp_assign(\9, \9)),\n'\
110 ${TMPFILE} >> ${HEADER}
117 grep "^syscall
[^
]* nr
[^
]* nbargs
${NRARGS} " ${SRCFILE} > ${TMPFILE}
118 sed 's/^syscall \([^ ]*\) nr \([^ ]*\) nbargs \([^ ]*\) '\
119 'types: (\([^,]*\), \([^,]*\), \([^,]*\), \([^)]*\)) '\
120 'args: (\([^,]*\), \([^,]*\), \([^,]*\), \([^)]*\))/'\
121 'TRACE_EVENT(sys_\1,\n'\
122 ' TP_PROTO(\4 \8, \5 \9, \6 \10, \7 \11),\n'\
123 ' TP_ARGS(\8, \9, \10, \11),\n'\
124 ' TP_STRUCT__entry(__field(\4, \8) __field(\5, \9) __field(\6, \10) __field(\7, \11)),\n'\
125 ' TP_fast_assign(tp_assign(\8, \8) tp_assign(\9, \9) tp_assign(\10, \10) tp_assign(\11, \11)),\n'\
128 ${TMPFILE} >> ${HEADER}
134 grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE}
135 sed 's/^syscall \([^ ]*\) nr \([^ ]*\) nbargs \([^ ]*\) '\
136 'types: (\([^,]*\), \([^,]*\), \([^,]*\), \([^,]*\), \([^)]*\)) '\
137 'args: (\([^,]*\), \([^,]*\), \([^,]*\), \([^,]*\), \([^)]*\))/'\
138 'TRACE_EVENT(sys_\1,\n'\
139 ' TP_PROTO(\4 \9, \5 \10, \6 \11, \7 \12, \8 \13),\n'\
140 ' TP_ARGS(\9, \10, \11, \12, \13),\n'\
141 ' TP_STRUCT__entry(__field(\4, \9) __field(\5, \10) __field(\6, \11) __field(\7, \12) __field(\8, \13)),\n'\
142 ' TP_fast_assign(tp_assign(\9, \9) tp_assign(\10, \10) tp_assign(\11, \11) tp_assign(\12, \12) tp_assign(\13, \13)),\n'\
145 ${TMPFILE} >> ${HEADER}
149 # args 10 11 12 13 14 15
152 grep "^syscall
[^
]* nr
[^
]* nbargs
${NRARGS} " ${SRCFILE} > ${TMPFILE}
153 sed 's/^syscall \([^ ]*\) nr \([^ ]*\) nbargs \([^ ]*\) '\
154 'types: (\([^,]*\), \([^,]*\), \([^,]*\), \([^,]*\), \([^,]*\), \([^)]*\)) '\
155 'args: (\([^,]*\), \([^,]*\), \([^,]*\), \([^,]*\), \([^,]*\), \([^)]*\))/'\
156 'TRACE_EVENT(sys_\1,\n'\
157 ' TP_PROTO(\4 \10, \5 \11, \6 \12, \7 \13, \8 \14, \9 \15),\n'\
158 ' TP_ARGS(\10, \11, \12, \13, \14, \15),\n'\
159 ' TP_STRUCT__entry(__field(\4, \10) __field(\5, \11) __field(\6, \12) __field(\7, \13) __field(\8, \14) __field(\9, \15)),\n'\
160 ' TP_fast_assign(tp_assign(\10, \10) tp_assign(\11, \11) tp_assign(\12, 12) tp_assign(\13, \13) tp_assign(\14, \14) tp_assign(\15, \15)),\n'\
163 ${TMPFILE} >> ${HEADER}
165 # Macro for tracing syscall table
168 for NRARGS
in $
(seq 1 6); do
169 grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} >> ${TMPFILE}
174 #endif /* _TRACE_SYSCALLS_H */
176 /* This part must be outside protection
*/
177 #include \"../../../probes/define_trace.h\"
179 #else /* CREATE_SYSCALL_TABLE */
182 sed 's/^syscall \([^ ]*\) nr \([^ ]*\) nbargs \([^ ]*\) .*$/'\
183 'TRACE_SYSCALL_TABLE(sys_\1, \2, \3)/g'\
184 ${TMPFILE} >> ${HEADER}
188 #endif /* CREATE_SYSCALL_TABLE */
191 rm -f ${INPUTFILE}.tmp