X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=instrumentation%2Fsyscalls%2Flttng-syscalls-generate-headers.sh;h=557fa3e015bce6c7cfc31f8abfa1d14a3701dda9;hb=e17f92ba9400ea4c8153da492505926e0fbeac73;hp=4b10f3f0b84f4ddb82e3ce368e54fe43fefc19eb;hpb=e374aaf1c44cb61bb407fa502926651e3291254d;p=lttng-modules.git diff --git a/instrumentation/syscalls/lttng-syscalls-generate-headers.sh b/instrumentation/syscalls/lttng-syscalls-generate-headers.sh old mode 100644 new mode 100755 index 4b10f3f0..557fa3e0 --- a/instrumentation/syscalls/lttng-syscalls-generate-headers.sh +++ b/instrumentation/syscalls/lttng-syscalls-generate-headers.sh @@ -1,19 +1,39 @@ #!/bin/sh # Generate system call probe description macros from syscall metadata dump file. +# The resulting header will be written in the headers subdirectory, in a file name +# based on the name of the input file. +# # example usage: # -# lttng-syscalls-generate-headers.sh integers 3.0.4 x86-64-syscalls-3.0.4 -# lttng-syscalls-generate-headers.sh pointers 3.0.4 x86-64-syscalls-3.0.4 +# lttng-syscalls-generate-headers.sh +# lttng-syscalls-generate-headers.sh integers 3.0.4 x86-64-syscalls-3.0.4 64 +# lttng-syscalls-generate-headers.sh pointers 3.0.4 x86-64-syscalls-3.0.4 64 CLASS=$1 INPUTDIR=$2 INPUTFILE=$3 +BITNESS=$4 INPUT=${INPUTDIR}/${INPUTFILE} SRCFILE=gen.tmp.0 TMPFILE=gen.tmp.1 HEADER=headers/${INPUTFILE}_${CLASS}.h +if [ x"$INPUTDIR" = x"" ]; then + echo "Error: Please specify input directory as second argument" + exit 1 +fi + +if [ x"$INPUTFILE" = x"" ]; then + echo "Error: Please specify input file as third argument" + exit 1 +fi + +if [ x"$BITNESS" != x"32" ] && [ x"$BITNESS" != x"64" ]; then + echo "Error: Please specify bitness as fourth argument (\"32\" or \"64\")" + exit 1 +fi + cp ${INPUT} ${SRCFILE} #Cleanup @@ -40,6 +60,12 @@ if [ "$CLASS" = pointers ]; then mv ${TMPFILE} ${SRCFILE} fi +if [ x"$CLASSCAP" = x"" ]; then + echo "Error: Please specify \"integers\" or \"pointers\" as first argument" + rm -f ${SRCFILE} + exit 1 +fi + echo "/* THIS FILE IS AUTO-GENERATED. DO NOT EDIT */" > ${HEADER} echo \ @@ -51,29 +77,57 @@ echo \ #include #include #include \"${INPUTFILE}_${CLASS}_override.h\" +#include \"syscalls_${CLASS}_override.h\" " >> ${HEADER} if [ "$CLASS" = integers ]; then NRARGS=0 -echo \ +printf \ +'#ifdef SC_ENTER\n'\ + >> ${HEADER} + +printf \ 'SC_DECLARE_EVENT_CLASS_NOARGS(syscalls_noargs,\n'\ ' TP_STRUCT__entry(),\n'\ ' TP_fast_assign(),\n'\ ' TP_printk()\n'\ -')'\ +')\n'\ >> ${HEADER} grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE} perl -p -e 's/^syscall ([^ ]*) nr ([^ ]*) nbargs ([^ ]*) '\ 'types: \(([^)]*)\) '\ 'args: \(([^)]*)\)/'\ -'#ifndef OVERRIDE_sys_$1\n'\ +'#ifndef OVERRIDE_'"${BITNESS}"'_sys_$1\n'\ 'SC_DEFINE_EVENT_NOARGS(syscalls_noargs, sys_$1)\n'\ '#endif/g'\ ${TMPFILE} >> ${HEADER} +printf \ +'#else /* #ifdef SC_ENTER */\n'\ + >> ${HEADER} + +grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE} +perl -p -e 's/^syscall ([^ ]*) nr ([^ ]*) nbargs ([^ ]*) '\ +'types: \(([^)]*)\) '\ +'args: \(([^)]*)\)/'\ +'#ifndef OVERRIDE_'"${BITNESS}"'_sys_$1\n'\ +'SC_TRACE_EVENT(sys_$1,\n'\ +' TP_PROTO(sc_exit(long ret)),\n'\ +' TP_ARGS(sc_exit(ret)),\n'\ +' TP_STRUCT__entry(sc_exit(__field(long, ret))),\n'\ +' TP_fast_assign(sc_exit(tp_assign(long, ret, ret))),\n'\ +' TP_printk()\n'\ +')\n'\ +'#endif/g'\ + ${TMPFILE} >> ${HEADER} + +printf \ +'#endif /* else #ifdef SC_ENTER */\n'\ + >> ${HEADER} + fi @@ -85,12 +139,12 @@ grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE} perl -p -e 's/^syscall ([^ ]*) nr ([^ ]*) nbargs ([^ ]*) '\ 'types: \(([^)]*)\) '\ 'args: \(([^)]*)\)/'\ -'#ifndef OVERRIDE_sys_$1\n'\ +'#ifndef OVERRIDE_'"${BITNESS}"'_sys_$1\n'\ 'SC_TRACE_EVENT(sys_$1,\n'\ -' TP_PROTO($4 $5),\n'\ -' TP_ARGS($5),\n'\ -' TP_STRUCT__entry(__field($4, $5)),\n'\ -' TP_fast_assign(tp_assign($4, $5, $5)),\n'\ +' TP_PROTO(sc_exit(long ret,) $4 $5),\n'\ +' TP_ARGS(sc_exit(ret,) $5),\n'\ +' TP_STRUCT__entry(sc_exit(__field(long, ret)) __field($4, $5)),\n'\ +' TP_fast_assign(sc_exit(tp_assign(long, ret, ret)) tp_assign($4, $5, $5)),\n'\ ' TP_printk()\n'\ ')\n'\ '#endif/g'\ @@ -104,12 +158,12 @@ grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE} perl -p -e 's/^syscall ([^ ]*) nr ([^ ]*) nbargs ([^ ]*) '\ 'types: \(([^,]*), ([^)]*)\) '\ 'args: \(([^,]*), ([^)]*)\)/'\ -'#ifndef OVERRIDE_sys_$1\n'\ +'#ifndef OVERRIDE_'"${BITNESS}"'_sys_$1\n'\ 'SC_TRACE_EVENT(sys_$1,\n'\ -' TP_PROTO($4 $6, $5 $7),\n'\ -' TP_ARGS($6, $7),\n'\ -' TP_STRUCT__entry(__field($4, $6) __field($5, $7)),\n'\ -' TP_fast_assign(tp_assign($4, $6, $6) tp_assign($5, $7, $7)),\n'\ +' TP_PROTO(sc_exit(long ret,) $4 $6, $5 $7),\n'\ +' TP_ARGS(sc_exit(ret,) $6, $7),\n'\ +' TP_STRUCT__entry(sc_exit(__field(long, ret)) __field($4, $6) __field($5, $7)),\n'\ +' TP_fast_assign(sc_exit(tp_assign(long, ret, ret)) tp_assign($4, $6, $6) tp_assign($5, $7, $7)),\n'\ ' TP_printk()\n'\ ')\n'\ '#endif/g'\ @@ -123,12 +177,12 @@ grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE} perl -p -e 's/^syscall ([^ ]*) nr ([^ ]*) nbargs ([^ ]*) '\ 'types: \(([^,]*), ([^,]*), ([^)]*)\) '\ 'args: \(([^,]*), ([^,]*), ([^)]*)\)/'\ -'#ifndef OVERRIDE_sys_$1\n'\ +'#ifndef OVERRIDE_'"${BITNESS}"'_sys_$1\n'\ 'SC_TRACE_EVENT(sys_$1,\n'\ -' TP_PROTO($4 $7, $5 $8, $6 $9),\n'\ -' TP_ARGS($7, $8, $9),\n'\ -' TP_STRUCT__entry(__field($4, $7) __field($5, $8) __field($6, $9)),\n'\ -' TP_fast_assign(tp_assign($4, $7, $7) tp_assign($5, $8, $8) tp_assign($6, $9, $9)),\n'\ +' TP_PROTO(sc_exit(long ret,) $4 $7, $5 $8, $6 $9),\n'\ +' TP_ARGS(sc_exit(ret,) $7, $8, $9),\n'\ +' TP_STRUCT__entry(sc_exit(__field(long, ret)) __field($4, $7) __field($5, $8) __field($6, $9)),\n'\ +' TP_fast_assign(sc_exit(tp_assign(long, ret, ret)) tp_assign($4, $7, $7) tp_assign($5, $8, $8) tp_assign($6, $9, $9)),\n'\ ' TP_printk()\n'\ ')\n'\ '#endif/g'\ @@ -143,12 +197,12 @@ grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE} perl -p -e 's/^syscall ([^ ]*) nr ([^ ]*) nbargs ([^ ]*) '\ 'types: \(([^,]*), ([^,]*), ([^,]*), ([^)]*)\) '\ 'args: \(([^,]*), ([^,]*), ([^,]*), ([^)]*)\)/'\ -'#ifndef OVERRIDE_sys_$1\n'\ +'#ifndef OVERRIDE_'"${BITNESS}"'_sys_$1\n'\ 'SC_TRACE_EVENT(sys_$1,\n'\ -' TP_PROTO($4 $8, $5 $9, $6 $10, $7 $11),\n'\ -' TP_ARGS($8, $9, $10, $11),\n'\ -' TP_STRUCT__entry(__field($4, $8) __field($5, $9) __field($6, $10) __field($7, $11)),\n'\ -' TP_fast_assign(tp_assign($4, $8, $8) tp_assign($5, $9, $9) tp_assign($6, $10, $10) tp_assign($7, $11, $11)),\n'\ +' TP_PROTO(sc_exit(long ret,) $4 $8, $5 $9, $6 $10, $7 $11),\n'\ +' TP_ARGS(sc_exit(ret,) $8, $9, $10, $11),\n'\ +' TP_STRUCT__entry(sc_exit(__field(long, ret)) __field($4, $8) __field($5, $9) __field($6, $10) __field($7, $11)),\n'\ +' TP_fast_assign(sc_exit(tp_assign(long, ret, ret)) tp_assign($4, $8, $8) tp_assign($5, $9, $9) tp_assign($6, $10, $10) tp_assign($7, $11, $11)),\n'\ ' TP_printk()\n'\ ')\n'\ '#endif/g'\ @@ -162,12 +216,12 @@ grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE} perl -p -e 's/^syscall ([^ ]*) nr ([^ ]*) nbargs ([^ ]*) '\ 'types: \(([^,]*), ([^,]*), ([^,]*), ([^,]*), ([^)]*)\) '\ 'args: \(([^,]*), ([^,]*), ([^,]*), ([^,]*), ([^)]*)\)/'\ -'#ifndef OVERRIDE_sys_$1\n'\ +'#ifndef OVERRIDE_'"${BITNESS}"'_sys_$1\n'\ 'SC_TRACE_EVENT(sys_$1,\n'\ -' TP_PROTO($4 $9, $5 $10, $6 $11, $7 $12, $8 $13),\n'\ -' TP_ARGS($9, $10, $11, $12, $13),\n'\ -' TP_STRUCT__entry(__field($4, $9) __field($5, $10) __field($6, $11) __field($7, $12) __field($8, $13)),\n'\ -' TP_fast_assign(tp_assign($4, $9, $9) tp_assign($5, $10, $10) tp_assign($6, $11, $11) tp_assign($7, $12, $12) tp_assign($8, $13, $13)),\n'\ +' TP_PROTO(sc_exit(long ret,) $4 $9, $5 $10, $6 $11, $7 $12, $8 $13),\n'\ +' TP_ARGS(sc_exit(ret,) $9, $10, $11, $12, $13),\n'\ +' TP_STRUCT__entry(sc_exit(__field(long, ret)) __field($4, $9) __field($5, $10) __field($6, $11) __field($7, $12) __field($8, $13)),\n'\ +' TP_fast_assign(sc_exit(tp_assign(long, ret, ret)) tp_assign($4, $9, $9) tp_assign($5, $10, $10) tp_assign($6, $11, $11) tp_assign($7, $12, $12) tp_assign($8, $13, $13)),\n'\ ' TP_printk()\n'\ ')\n'\ '#endif/g'\ @@ -182,12 +236,12 @@ grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE} perl -p -e 's/^syscall ([^ ]*) nr ([^ ]*) nbargs ([^ ]*) '\ 'types: \(([^,]*), ([^,]*), ([^,]*), ([^,]*), ([^,]*), ([^\)]*)\) '\ 'args: \(([^,]*), ([^,]*), ([^,]*), ([^,]*), ([^,]*), ([^\)]*)\)/'\ -'#ifndef OVERRIDE_sys_$1\n'\ +'#ifndef OVERRIDE_'"${BITNESS}"'_sys_$1\n'\ 'SC_TRACE_EVENT(sys_$1,\n'\ -' TP_PROTO($4 $10, $5 $11, $6 $12, $7 $13, $8 $14, $9 $15),\n'\ -' TP_ARGS($10, $11, $12, $13, $14, $15),\n'\ -' TP_STRUCT__entry(__field($4, $10) __field($5, $11) __field($6, $12) __field($7, $13) __field($8, $14) __field($9, $15)),\n'\ -' TP_fast_assign(tp_assign($4, $10, $10) tp_assign($5, $11, $11) tp_assign($6, $12, $12) tp_assign($7, $13, $13) tp_assign($8, $14, $14) tp_assign($9, $15, $15)),\n'\ +' TP_PROTO(sc_exit(long ret,) $4 $10, $5 $11, $6 $12, $7 $13, $8 $14, $9 $15),\n'\ +' TP_ARGS(sc_exit(ret,) $10, $11, $12, $13, $14, $15),\n'\ +' TP_STRUCT__entry(sc_exit(__field(long, ret)) __field($4, $10) __field($5, $11) __field($6, $12) __field($7, $13) __field($8, $14) __field($9, $15)),\n'\ +' TP_fast_assign(sc_exit(tp_assign(long, ret, ret)) tp_assign($4, $10, $10) tp_assign($5, $11, $11) tp_assign($6, $12, $12) tp_assign($7, $13, $13) tp_assign($8, $14, $14) tp_assign($9, $15, $15)),\n'\ ' TP_printk()\n'\ ')\n'\ '#endif/g'\ @@ -195,11 +249,6 @@ perl -p -e 's/^syscall ([^ ]*) nr ([^ ]*) nbargs ([^ ]*) '\ # Macro for tracing syscall table -rm -f ${TMPFILE} -for NRARGS in $(seq 0 6); do - grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} >> ${TMPFILE} -done - echo \ " #endif /* _TRACE_SYSCALLS_${CLASSCAP}_H */ @@ -210,24 +259,46 @@ echo \ #else /* CREATE_SYSCALL_TABLE */ #include \"${INPUTFILE}_${CLASS}_override.h\" +#include \"syscalls_${CLASS}_override.h\" " >> ${HEADER} NRARGS=0 if [ "$CLASS" = integers ]; then #noargs + +printf \ +'#ifdef SC_ENTER\n'\ + >> ${HEADER} + grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE} perl -p -e 's/^syscall ([^ ]*) nr ([^ ]*) nbargs ([^ ]*) .*$/'\ -'#ifndef OVERRIDE_TABLE_sys_$1\n'\ +'#ifndef OVERRIDE_TABLE_'"${BITNESS}"'_sys_$1\n'\ 'TRACE_SYSCALL_TABLE\(syscalls_noargs, sys_$1, $2, $3\)\n'\ '#endif/g'\ ${TMPFILE} >> ${HEADER} + +printf \ +'#else /* #ifdef SC_ENTER */\n'\ + >> ${HEADER} + +grep "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE} +perl -p -e 's/^syscall ([^ ]*) nr ([^ ]*) nbargs ([^ ]*) .*$/'\ +'#ifndef OVERRIDE_TABLE_'"${BITNESS}"'_sys_$1\n'\ +'TRACE_SYSCALL_TABLE(sys_$1, sys_$1, $2, $3)\n'\ +'#endif/g'\ + ${TMPFILE} >> ${HEADER} + +printf \ +'#endif /* else #ifdef SC_ENTER */\n'\ + >> ${HEADER} + fi #others. grep -v "^syscall [^ ]* nr [^ ]* nbargs ${NRARGS} " ${SRCFILE} > ${TMPFILE} perl -p -e 's/^syscall ([^ ]*) nr ([^ ]*) nbargs ([^ ]*) .*$/'\ -'#ifndef OVERRIDE_TABLE_sys_$1\n'\ +'#ifndef OVERRIDE_TABLE_'"${BITNESS}"'_sys_$1\n'\ 'TRACE_SYSCALL_TABLE(sys_$1, sys_$1, $2, $3)\n'\ '#endif/g'\ ${TMPFILE} >> ${HEADER} @@ -241,7 +312,7 @@ echo -n \ # or *put_old* or *type* cp -f ${HEADER} ${TMPFILE} rm -f ${HEADER} -perl -p -e 's/__field\(([^,)]*char \*), ([^\)]*)(name|file|path|root|put_old|type)([^\)]*)\)/__string($2$3$4, $2$3$4)/g'\ +perl -p -e 's/__field\(([^,)]*char \*), ([^\)]*)(name|file|path|root|put_old|type)([^\)]*)\)/__string_from_user($2$3$4, $2$3$4)/g'\ ${TMPFILE} >> ${HEADER} cp -f ${HEADER} ${TMPFILE} rm -f ${HEADER}