Commit | Line | Data |
---|---|---|
5fee13fd MD |
1 | #!/bin/sh |
2 | ||
3 | # Generate system call probe description macros from syscall metadata dump file. | |
4 | # example usage: | |
25631135 MD |
5 | # |
6 | # lttng-syscalls-generate-headers.sh integers 3.0.4 x86-64-syscalls-3.0.4 | |
7 | # lttng-syscalls-generate-headers.sh pointers 3.0.4 x86-64-syscalls-3.0.4 | |
5fee13fd | 8 | |
25631135 MD |
9 | CLASS=$1 |
10 | INPUTDIR=$2 | |
11 | INPUTFILE=$3 | |
5fee13fd MD |
12 | INPUT=${INPUTDIR}/${INPUTFILE} |
13 | SRCFILE=gen.tmp.0 | |
14 | TMPFILE=gen.tmp.1 | |
177b3692 | 15 | HEADER=headers/${INPUTFILE}_${CLASS}.h |
5fee13fd MD |
16 | |
17 | cp ${INPUT} ${SRCFILE} | |
18 | ||
19 | #Cleanup | |
177b3692 | 20 | perl -p -e 's/^\[.*\] //g' ${SRCFILE} > ${TMPFILE} |
5fee13fd MD |
21 | mv ${TMPFILE} ${SRCFILE} |
22 | ||
177b3692 | 23 | perl -p -e 's/^syscall sys_([^ ]*)/syscall $1/g' ${SRCFILE} > ${TMPFILE} |
5fee13fd MD |
24 | mv ${TMPFILE} ${SRCFILE} |
25 | ||
26 | #Filter | |
27 | ||
25631135 MD |
28 | if [ "$CLASS" = integers ]; then |
29 | #select integers and no-args. | |
177b3692 | 30 | CLASSCAP=INTEGERS |
25631135 MD |
31 | grep -v "\\*\|cap_user_header_t" ${SRCFILE} > ${TMPFILE} |
32 | mv ${TMPFILE} ${SRCFILE} | |
33 | fi | |
34 | ||
5fee13fd | 35 | |
25631135 MD |
36 | if [ "$CLASS" = pointers ]; then |
37 | #select system calls using pointers. | |
177b3692 | 38 | CLASSCAP=POINTERS |
25631135 MD |
39 | grep "\\*\|cap_#user_header_t" ${SRCFILE} > ${TMPFILE} |
40 | mv ${TMPFILE} ${SRCFILE} | |
41 | fi | |
5fee13fd | 42 | |
5fee13fd MD |
43 | echo "/* THIS FILE IS AUTO-GENERATED. DO NOT EDIT */" > ${HEADER} |
44 | ||
45 | echo \ | |
054f2ed3 MD |
46 | "#ifndef CREATE_SYSCALL_TABLE |
47 | ||
48 | #undef TRACE_SYSTEM | |
177b3692 | 49 | #define TRACE_SYSTEM syscalls_${CLASS} |
5fee13fd | 50 | |
177b3692 MD |
51 | #if !defined(_TRACE_SYSCALLS_${CLASSCAP}_H) || defined(TRACE_HEADER_MULTI_READ) |
52 | #define _TRACE_SYSCALLS_${CLASSCAP}_H | |
5fee13fd MD |
53 | |
54 | #include <linux/tracepoint.h> | |
55 | #include <linux/syscalls.h> | |
56 | " >> ${HEADER} | |
57 | ||
25631135 MD |
58 | if [ "$CLASS" = integers ]; then |
59 | ||
f7bdf4db MD |
60 | NRARGS=0 |
61 | ||
62 | echo \ | |
63 | 'DECLARE_EVENT_CLASS_NOARGS(syscalls_noargs,\n'\ | |
64 | ' TP_STRUCT__entry(),\n'\ | |
65 | ' TP_fast_assign(),\n'\ | |
66 | ' TP_printk()\n'\ | |
67 | ')'\ | |
68 | >> ${HEADER} | |
69 | ||
70 | grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE} | |
177b3692 MD |
71 | perl -p -e 's/^syscall ([^ ]*) nr ([^ ]*) nbargs ([^ ]*) '\ |
72 | 'types: \(([^)]*)\) '\ | |
73 | 'args: \(([^)]*)\)/'\ | |
74 | 'DEFINE_EVENT_NOARGS(syscalls_noargs, sys_$1)'\ | |
f7bdf4db MD |
75 | '/g'\ |
76 | ${TMPFILE} >> ${HEADER} | |
77 | ||
25631135 | 78 | fi |
5fee13fd | 79 | |
177b3692 | 80 | |
5fee13fd MD |
81 | # types: 4 |
82 | # args 5 | |
83 | ||
84 | NRARGS=1 | |
85 | grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE} | |
177b3692 MD |
86 | perl -p -e 's/^syscall ([^ ]*) nr ([^ ]*) nbargs ([^ ]*) '\ |
87 | 'types: \(([^)]*)\) '\ | |
88 | 'args: \(([^)]*)\)/'\ | |
89 | 'TRACE_EVENT(sys_$1,\n'\ | |
90 | ' TP_PROTO($4 $5),\n'\ | |
91 | ' TP_ARGS($5),\n'\ | |
92 | ' TP_STRUCT__entry(__field($4, $5)),\n'\ | |
93 | ' TP_fast_assign(tp_assign($5, $5)),\n'\ | |
5fee13fd MD |
94 | ' TP_printk()\n'\ |
95 | ')/g'\ | |
96 | ${TMPFILE} >> ${HEADER} | |
97 | ||
98 | # types: 4 5 | |
99 | # args 6 7 | |
100 | ||
101 | NRARGS=2 | |
102 | grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE} | |
177b3692 MD |
103 | perl -p -e 's/^syscall ([^ ]*) nr ([^ ]*) nbargs ([^ ]*) '\ |
104 | 'types: \(([^,]*), ([^)]*)\) '\ | |
105 | 'args: \(([^,]*), ([^)]*)\)/'\ | |
106 | 'TRACE_EVENT(sys_$1,\n'\ | |
107 | ' TP_PROTO($4 $6, $5 $7),\n'\ | |
108 | ' TP_ARGS($6, $7),\n'\ | |
109 | ' TP_STRUCT__entry(__field($4, $6) __field($5, $7)),\n'\ | |
110 | ' TP_fast_assign(tp_assign($6, $6) tp_assign($7, $7)),\n'\ | |
5fee13fd MD |
111 | ' TP_printk()\n'\ |
112 | ')/g'\ | |
113 | ${TMPFILE} >> ${HEADER} | |
114 | ||
115 | # types: 4 5 6 | |
116 | # args 7 8 9 | |
117 | ||
118 | NRARGS=3 | |
119 | grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE} | |
177b3692 MD |
120 | perl -p -e 's/^syscall ([^ ]*) nr ([^ ]*) nbargs ([^ ]*) '\ |
121 | 'types: \(([^,]*), ([^,]*), ([^)]*)\) '\ | |
122 | 'args: \(([^,]*), ([^,]*), ([^)]*)\)/'\ | |
123 | 'TRACE_EVENT(sys_$1,\n'\ | |
124 | ' TP_PROTO($4 $7, $5 $8, $6 $9),\n'\ | |
125 | ' TP_ARGS($7, $8, $9),\n'\ | |
126 | ' TP_STRUCT__entry(__field($4, $7) __field($5, $8) __field($6, $9)),\n'\ | |
127 | ' TP_fast_assign(tp_assign($7, $7) tp_assign($8, $8) tp_assign($9, $9)),\n'\ | |
5fee13fd MD |
128 | ' TP_printk()\n'\ |
129 | ')/g'\ | |
130 | ${TMPFILE} >> ${HEADER} | |
131 | ||
132 | ||
133 | # types: 4 5 6 7 | |
134 | # args 8 9 10 11 | |
135 | ||
136 | NRARGS=4 | |
137 | grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE} | |
177b3692 MD |
138 | perl -p -e 's/^syscall ([^ ]*) nr ([^ ]*) nbargs ([^ ]*) '\ |
139 | 'types: \(([^,]*), ([^,]*), ([^,]*), ([^)]*)\) '\ | |
140 | 'args: \(([^,]*), ([^,]*), ([^,]*), ([^)]*)\)/'\ | |
141 | 'TRACE_EVENT(sys_$1,\n'\ | |
142 | ' TP_PROTO($4 $8, $5 $9, $6 $10, $7 $11),\n'\ | |
143 | ' TP_ARGS($8, $9, $10, $11),\n'\ | |
144 | ' TP_STRUCT__entry(__field($4, $8) __field($5, $9) __field($6, $10) __field($7, $11)),\n'\ | |
145 | ' TP_fast_assign(tp_assign($8, $8) tp_assign($9, $9) tp_assign($10, $10) tp_assign($11, $11)),\n'\ | |
5fee13fd MD |
146 | ' TP_printk()\n'\ |
147 | ')/g'\ | |
148 | ${TMPFILE} >> ${HEADER} | |
149 | ||
150 | # types: 4 5 6 7 8 | |
151 | # args 9 10 11 12 13 | |
152 | ||
153 | NRARGS=5 | |
154 | grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE} | |
177b3692 MD |
155 | perl -p -e 's/^syscall ([^ ]*) nr ([^ ]*) nbargs ([^ ]*) '\ |
156 | 'types: \(([^,]*), ([^,]*), ([^,]*), ([^,]*), ([^)]*)\) '\ | |
157 | 'args: \(([^,]*), ([^,]*), ([^,]*), ([^,]*), ([^)]*)\)/'\ | |
158 | 'TRACE_EVENT(sys_$1,\n'\ | |
159 | ' TP_PROTO($4 $9, $5 $10, $6 $11, $7 $12, $8 $13),\n'\ | |
160 | ' TP_ARGS($9, $10, $11, $12, $13),\n'\ | |
161 | ' TP_STRUCT__entry(__field($4, $9) __field($5, $10) __field($6, $11) __field($7, $12) __field($8, $13)),\n'\ | |
162 | ' TP_fast_assign(tp_assign($9, $9) tp_assign($10, $10) tp_assign($11, $11) tp_assign($12, $12) tp_assign($13, $13)),\n'\ | |
5fee13fd MD |
163 | ' TP_printk()\n'\ |
164 | ')/g'\ | |
165 | ${TMPFILE} >> ${HEADER} | |
166 | ||
167 | ||
168 | # types: 4 5 6 7 8 9 | |
169 | # args 10 11 12 13 14 15 | |
170 | ||
171 | NRARGS=6 | |
172 | grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE} | |
177b3692 MD |
173 | perl -p -e 's/^syscall ([^ ]*) nr ([^ ]*) nbargs ([^ ]*) '\ |
174 | 'types: \(([^,]*), ([^,]*), ([^,]*), ([^,]*), ([^,]*), ([^\)]*)\) '\ | |
175 | 'args: \(([^,]*), ([^,]*), ([^,]*), ([^,]*), ([^,]*), ([^\)]*)\)/'\ | |
176 | 'TRACE_EVENT(sys_$1,\n'\ | |
177 | ' TP_PROTO($4 $10, $5 $11, $6 $12, $7 $13, $8 $14, $9 $15),\n'\ | |
178 | ' TP_ARGS($10, $11, $12, $13, $14, $15),\n'\ | |
179 | ' TP_STRUCT__entry(__field($4, $10) __field($5, $11) __field($6, $12) __field($7, $13) __field($8, $14) __field($9, $15)),\n'\ | |
180 | ' 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'\ | |
5fee13fd MD |
181 | ' TP_printk()\n'\ |
182 | ')/g'\ | |
183 | ${TMPFILE} >> ${HEADER} | |
184 | ||
9b6d7a0c MD |
185 | # Macro for tracing syscall table |
186 | ||
e15b0e20 | 187 | rm -f ${TMPFILE} |
f7bdf4db | 188 | for NRARGS in $(seq 0 6); do |
e15b0e20 MD |
189 | grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} >> ${TMPFILE} |
190 | done | |
191 | ||
054f2ed3 | 192 | echo \ |
5fee13fd | 193 | " |
177b3692 | 194 | #endif /* _TRACE_SYSCALLS_${CLASSCAP}_H */ |
5fee13fd MD |
195 | |
196 | /* This part must be outside protection */ | |
197 | #include \"../../../probes/define_trace.h\" | |
054f2ed3 MD |
198 | |
199 | #else /* CREATE_SYSCALL_TABLE */ | |
200 | " >> ${HEADER} | |
201 | ||
f7bdf4db MD |
202 | |
203 | NRARGS=0 | |
f7bdf4db | 204 | |
25631135 | 205 | if [ "$CLASS" = integers ]; then |
f7bdf4db | 206 | #noargs |
25631135 | 207 | grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE} |
177b3692 MD |
208 | perl -p -e 's/^syscall ([^ ]*) nr ([^ ]*) nbargs ([^ ]*) .*$/'\ |
209 | 'TRACE_SYSCALL_TABLE\(syscalls_noargs, sys_$1, $2, $3\)/g'\ | |
f7bdf4db | 210 | ${TMPFILE} >> ${HEADER} |
25631135 | 211 | fi |
f7bdf4db MD |
212 | |
213 | #others. | |
214 | grep -v "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE} | |
177b3692 MD |
215 | perl -p -e 's/^syscall ([^ ]*) nr ([^ ]*) nbargs ([^ ]*) .*$/'\ |
216 | 'TRACE_SYSCALL_TABLE(sys_$1, sys_$1, $2, $3)/g'\ | |
054f2ed3 MD |
217 | ${TMPFILE} >> ${HEADER} |
218 | ||
219 | echo -n \ | |
220 | " | |
221 | #endif /* CREATE_SYSCALL_TABLE */ | |
5fee13fd MD |
222 | " >> ${HEADER} |
223 | ||
224 | rm -f ${INPUTFILE}.tmp | |
225 | rm -f ${TMPFILE} | |
226 | rm -f ${SRCFILE} |