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 and without 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} ${SRCFILE}
36 HEADER
=headers
/${INPUTFILE}-${CLASS}.h
38 echo "/* THIS FILE IS AUTO-GENERATED. DO NOT EDIT */" > ${HEADER}
41 "#ifndef CREATE_SYSCALL_TABLE
44 #define TRACE_SYSTEM syscalls
46 #if !defined(_TRACE_SYSCALLS_H) || defined(TRACE_HEADER_MULTI_READ)
47 #define _TRACE_SYSCALLS_H
49 #include <linux/tracepoint.h>
50 #include <linux/syscalls.h>
56 'DECLARE_EVENT_CLASS_NOARGS(syscalls_noargs,\n'\
57 ' TP_STRUCT__entry(),\n'\
58 ' TP_fast_assign(),\n'\
63 grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE}
64 sed 's/^syscall \([^ ]*\) nr \([^ ]*\) nbargs \([^ ]*\) '\
65 'types: (\([^)]*\)) '\
67 'DEFINE_EVENT_NOARGS(syscalls_noargs, sys_\1)'\
69 ${TMPFILE} >> ${HEADER}
76 grep "^syscall
[^
]* nr
[^
]* nbargs
${NRARGS} " ${SRCFILE} > ${TMPFILE}
77 sed 's/^syscall \([^ ]*\) nr \([^ ]*\) nbargs \([^ ]*\) '\
78 'types: (\([^)]*\)) '\
80 'TRACE_EVENT(sys_\1,\n'\
81 ' TP_PROTO(\4 \5),\n'\
83 ' TP_STRUCT__entry(__field(\4, \5)),\n'\
84 ' TP_fast_assign(tp_assign(\5, \5)),\n'\
87 ${TMPFILE} >> ${HEADER}
93 grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE}
94 sed 's/^syscall \([^ ]*\) nr \([^ ]*\) nbargs \([^ ]*\) '\
95 'types: (\([^,]*\), \([^)]*\)) '\
96 'args: (\([^,]*\), \([^)]*\))/'\
97 'TRACE_EVENT(sys_\1,\n'\
98 ' TP_PROTO(\4 \6, \5 \7),\n'\
99 ' TP_ARGS(\6, \7),\n'\
100 ' TP_STRUCT__entry(__field(\4, \6) __field(\5, \7)),\n'\
101 ' TP_fast_assign(tp_assign(\6, \6) tp_assign(\7, \7)),\n'\
104 ${TMPFILE} >> ${HEADER}
110 grep "^syscall
[^
]* nr
[^
]* nbargs
${NRARGS} " ${SRCFILE} > ${TMPFILE}
111 sed 's/^syscall \([^ ]*\) nr \([^ ]*\) nbargs \([^ ]*\) '\
112 'types: (\([^,]*\), \([^,]*\), \([^)]*\)) '\
113 'args: (\([^,]*\), \([^,]*\), \([^)]*\))/'\
114 'TRACE_EVENT(sys_\1,\n'\
115 ' TP_PROTO(\4 \7, \5 \8, \6 \9),\n'\
116 ' TP_ARGS(\7, \8, \9),\n'\
117 ' TP_STRUCT__entry(__field(\4, \7) __field(\5, \8) __field(\6, \9)),\n'\
118 ' TP_fast_assign(tp_assign(\7, \7) tp_assign(\8, \8) tp_assign(\9, \9)),\n'\
121 ${TMPFILE} >> ${HEADER}
128 grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE}
129 sed 's/^syscall \([^ ]*\) nr \([^ ]*\) nbargs \([^ ]*\) '\
130 'types: (\([^,]*\), \([^,]*\), \([^,]*\), \([^)]*\)) '\
131 'args: (\([^,]*\), \([^,]*\), \([^,]*\), \([^)]*\))/'\
132 'TRACE_EVENT(sys_\1,\n'\
133 ' TP_PROTO(\4 \8, \5 \9, \6 \10, \7 \11),\n'\
134 ' TP_ARGS(\8, \9, \10, \11),\n'\
135 ' TP_STRUCT__entry(__field(\4, \8) __field(\5, \9) __field(\6, \10) __field(\7, \11)),\n'\
136 ' TP_fast_assign(tp_assign(\8, \8) tp_assign(\9, \9) tp_assign(\10, \10) tp_assign(\11, \11)),\n'\
139 ${TMPFILE} >> ${HEADER}
145 grep "^syscall
[^
]* nr
[^
]* nbargs
${NRARGS} " ${SRCFILE} > ${TMPFILE}
146 sed 's/^syscall \([^ ]*\) nr \([^ ]*\) nbargs \([^ ]*\) '\
147 'types: (\([^,]*\), \([^,]*\), \([^,]*\), \([^,]*\), \([^)]*\)) '\
148 'args: (\([^,]*\), \([^,]*\), \([^,]*\), \([^,]*\), \([^)]*\))/'\
149 'TRACE_EVENT(sys_\1,\n'\
150 ' TP_PROTO(\4 \9, \5 \10, \6 \11, \7 \12, \8 \13),\n'\
151 ' TP_ARGS(\9, \10, \11, \12, \13),\n'\
152 ' TP_STRUCT__entry(__field(\4, \9) __field(\5, \10) __field(\6, \11) __field(\7, \12) __field(\8, \13)),\n'\
153 ' TP_fast_assign(tp_assign(\9, \9) tp_assign(\10, \10) tp_assign(\11, \11) tp_assign(\12, \12) tp_assign(\13, \13)),\n'\
156 ${TMPFILE} >> ${HEADER}
160 # args 10 11 12 13 14 15
163 grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE}
164 sed 's/^syscall \([^ ]*\) nr \([^ ]*\) nbargs \([^ ]*\) '\
165 'types: (\([^,]*\), \([^,]*\), \([^,]*\), \([^,]*\), \([^,]*\), \([^)]*\)) '\
166 'args: (\([^,]*\), \([^,]*\), \([^,]*\), \([^,]*\), \([^,]*\), \([^)]*\))/'\
167 'TRACE_EVENT(sys_\1,\n'\
168 ' TP_PROTO(\4 \10, \5 \11, \6 \12, \7 \13, \8 \14, \9 \15),\n'\
169 ' TP_ARGS(\10, \11, \12, \13, \14, \15),\n'\
170 ' TP_STRUCT__entry(__field(\4, \10) __field(\5, \11) __field(\6, \12) __field(\7, \13) __field(\8, \14) __field(\9, \15)),\n'\
171 ' 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'\
174 ${TMPFILE} >> ${HEADER}
176 # Macro for tracing syscall table
179 for NRARGS in $(seq 0 6); do
180 grep "^syscall
[^
]* nr
[^
]* nbargs
${NRARGS} " ${SRCFILE} >> ${TMPFILE}
185 #endif /* _TRACE_SYSCALLS_H */
187 /* This part must be outside protection */
188 #include \"../../../probes/define_trace.h\"
190 #else /* CREATE_SYSCALL_TABLE */
195 grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE}
198 sed 's/^syscall \([^ ]*\) nr \([^ ]*\) nbargs \([^ ]*\) .*$/'\
199 'TRACE_SYSCALL_TABLE(syscalls_noargs, sys_\1, \2, \3)/g'\
200 ${TMPFILE} >> ${HEADER}
203 grep -v "^syscall
[^
]* nr
[^
]* nbargs
${NRARGS} " ${SRCFILE} > ${TMPFILE}
204 sed 's/^syscall \([^ ]*\) nr \([^ ]*\) nbargs \([^ ]*\) .*$/'\
205 'TRACE_SYSCALL_TABLE(sys_\1, sys_\1, \2, \3)/g'\
206 ${TMPFILE} >> ${HEADER}
210 #endif /* CREATE_SYSCALL_TABLE */
213 rm -f ${INPUTFILE}.tmp
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