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set test "library"
proc cleanup_handler { verbose } {
if { $verbose == 0 } {
catch {exec rm -f libsdt.so sdt_misc.x }
}
catch {exec rm -f sdt_misc_.c sdt_misc_.h sdt_misc_.o }
}
proc error_handler { res message } {
global test
if { $res == 0 } {
verbose $message 2
fail "$test $message"
return 1
} else {
pass "$test $message"
return 0
}
}
if {![installtest_p]} {untested $test; return}
if {![utrace_p]} {
untested "$test"
return
}
set stap_path $env(SYSTEMTAP_PATH)/stap
set dpath "[pwd]/sdt_misc_.d"
set hpath "[pwd]/sdt_misc_.h"
set opath "[pwd]/sdt_misc_.o"
set exepath "[pwd]/sdt_misc.x"
set sopath "libsdt.so"
# Run dtrace
if {[installtest_p]} {
set dtrace $env(SYSTEMTAP_PATH)/dtrace
} else {
set dtrace ../dtrace
}
verbose -log "$dtrace -DSTAP_SDT_V3 --types -h -s $srcdir/$subdir/sdt_misc_.d"
if {[catch {exec $dtrace --types -h -s $srcdir/$subdir/sdt_misc_.d} res]} {
verbose -log "unable to run $dtrace: $res"
}
verbose -log "$dtrace -DSTAP_SDT_V3 --types -G -s $srcdir/$subdir/sdt_misc_.d"
if {[catch {exec $dtrace -DSTAP_SDT_V3 --types -G \
-s $srcdir/$subdir/sdt_misc_.d} res]} {
verbose -log "unable to run $dtrace: $res"
}
if { [error_handler [expr {[file exists $hpath]
&& [file exists $opath]}] "dtrace"] } {
cleanup_handler $verbose
return
}
set F additional_flags
set flags "$F=[sdt_includes] $F=$opath $F=-I. $F=-shared $F=-fPIC $F=-DNO_MAIN $F=-g"
set res [target_compile $srcdir/$subdir/sdt_misc.c $sopath executable $flags ]
if { [error_handler [expr {$res == ""}] "target_compile libsdt.so"] } {
cleanup_handler $verbose
return
}
set flags "$F=-Wl,-rpath,[pwd] $F=-L[pwd] $F=-lsdt $F=-DONLY_MAIN $F=-g"
set res [target_compile $srcdir/$subdir/sdt_misc.c $exepath executable $flags ]
if { [error_handler [expr {$res == ""}] "target_compile sdt_misc.x"] } {
cleanup_handler $verbose
return
}
# Test globbing
proc globbing_test { mssg script builddir } {
global sopath exepath srcdir subdir stap_path
eval set globs "{{*} {*libsdt*} $sopath {PATH/*libsdt*} PATH/$sopath}"
foreach glob $globs {
eval set test_glob [string map {PATH "$builddir"} "$glob"]
foreach runtime [get_runtime_list] {
set test_name "sdt_misc"
if {$runtime != ""} {
lappend test_name "($runtime)"
spawn $stap_path --runtime=$runtime -c $exepath \
$script $exepath "$test_glob"
} elseif {[uretprobes_p]} {
spawn $stap_path -c $exepath $script $exepath "$test_glob"
} else {
untested "library $test_name $glob $mssg"
continue
}
set ok 0
expect {
-timeout 180
-re {^bar begin\r\n} { incr ok; exp_continue }
-re {^bar 2\r\n} { incr ok; exp_continue }
-re {^In test_probe_2 probe 0x2\r\n} { incr ok; exp_continue }
-re {^bar end\r\n} { incr ok; exp_continue }
-re {^baz begin\r\n} { incr ok; exp_continue }
-re {^baz 3 abc\r\n} { incr ok; exp_continue }
-re {^In test_probe_0 probe 0x3\r\n} { incr ok; exp_continue }
-re {^In test_probe_3 probe 0x3 0x[0-9a-f][0-9a-f]*\r\n} {
incr ok; exp_continue }
-re {^baz end\r\n} { incr ok; exp_continue }
-re {^buz begin\r\n} { incr ok; exp_continue }
-re {^buz 4\r\n} { incr ok; exp_continue }
-re {^In test_probe_4 dtrace probe 0x[0-9a-f][0-9a-f]*\r\n} {
incr ok; exp_continue }
-re {^In test_probe_1 probe 0x0\r\n} { incr ok; exp_continue }
-re {^buz end\r\n} { incr ok; exp_continue }
-re {^WARNING:.*No DWARF information found.*\r\n} {
exp_continue }
-re {^Missing separate debuginfos.*\r\n} { exp_continue }
timeout { fail "$test_name (timeout)" }
eof { }
}
catch {close}; catch {wait}
error_handler [expr {$ok == 15}] \
"$test_name $glob $mssg ($ok != 15)"
} ; # foreach runtime
} ; # foreach glob
} ; # proc globbing_test
set script_path [fullpath $srcdir/$subdir/library.stp]
globbing_test "" $script_path "."
set savedir [pwd]
cd /tmp
globbing_test "rpath" $script_path $savedir
cd $savedir
# Test --ldd
foreach runtime [get_runtime_list] {
set test_name "printf --ldd"
if {$runtime != ""} {
lappend test_name "($runtime)"
spawn $stap_path --ldd -v -v -v -c $exepath -e "probe process(\"$exepath\").library(\"*\").statement(\"baz@sdt_misc.c\") \{printf(\"%s \", pn())\}"
} elseif {[uprobes_p]} {
spawn $stap_path --ldd -v -v -v -c $exepath -e "probe process(\"$exepath\").library(\"*\").statement(\"baz@sdt_misc.c\") \{printf(\"%s \", pn())\}"
} else {
untested "library $test_name"
continue
}
set ok 0
expect {
-timeout 180
-re {Added -d '.*libsdt.so' due to 'libsdt.so'} {
incr ok; exp_continue }
-re {Added -d '/lib.*/libm.so.[0-9]' due to 'libm.so.[0-9]'} {
incr ok; exp_continue }
-re {Added -d '/lib.*/libc.so.[0-9]' due to 'libc.so.[0-9]'} {
incr ok; exp_continue }
-re {Added -d '/lib.*/.*ld.*so'} { incr ok; exp_continue }
timeout { fail "$test_name (timeout)" }
eof { }
}
catch {close}; catch {wait}
error_handler [expr {$ok >= 4}] "$test_name ($ok) ($ok != 4)"
}
# Test .exported. Notice we're only testing exported functions in our
# compiled 'libsdt' shared library. We could test exported functions
# in glibc, but to find them we'd need glibc debuginfo installed,
# which might or might not be present.
foreach runtime [get_runtime_list] {
set test_name ".exported"
if {$runtime != ""} {
lappend test_name "($runtime)"
spawn $stap_path --runtime=$runtime -c $exepath -e "probe process(\"$exepath\").library(\"$sopath\").function(\"*\").exported \{printf(\"%s \", pp())\}"
} elseif {[uprobes_p]} {
spawn $stap_path -c $exepath -e "probe process(\"$exepath\").library(\"$sopath\").function(\"*\").exported \{printf(\"%s \", pp())\}"
} else {
untested "library $test_name"
continue
}
set ok 0
expect {
-timeout 180
-re {libsdt.so.*bar} { incr ok; exp_continue }
-re {libsdt.so.*baz} { incr ok; exp_continue }
-re {libsdt.so.*buz} { incr ok; exp_continue }
timeout { fail "$test_name (timeout)" }
eof { }
}
catch {close}; catch {wait}
error_handler [expr {$ok >= 3}] "$test_name ($ok) ($ok >= 3)"
}
cleanup_handler $verbose
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