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|
# syscall.exp
#
# This script searches the systemtap.syscall directory for C files to
# test. See the README file for details on the C files.
#
# To restrict C files to test, set the CHECK_ONLY environment variable.
# For example, to only test the readwrite and accept C files, run:
#
# make installcheck RUNTESTFLAGS=syscall.exp CHECK_ONLY="readwrite accept"
set test_script "sys.stp"
set test_module_name "syscall_longlonglong"
set wd [pwd]
set test_module "${wd}/${test_module_name}.ko"
set cached_module "/tmp/${test_module_name}.ko"
source $srcdir/$subdir/test.tcl
proc test_procedure {} {
global env srcdir subdir test_script test_module test_module_name cached_module
set flags ""
set patterns []
if {[info exists env(CHECK_ONLY)]} {
foreach file $env(CHECK_ONLY) {
lappend patterns "$file.c"
}
} else {
lappend patterns "*.c"
}
if {$srcdir == ""} {
set basedir ""
} else {
set basedir "$srcdir/$subdir/"
}
set test_files []
foreach pattern $patterns {
set test_files [concat $test_files \
[glob -nocomplain "${basedir}${pattern}"]]
}
if {[llength $test_files] == 0} {
# If our globbing didn't find any test files, there isn't any
# point in proceeding.
fail "$test_module_name: no tests found"
return
}
# To speed things up, go ahead and compile the test module once
# here, then just use it down in run_one_test(). The test script
# uses wildcards to cover every syscall and takes time to parse.
#
# During test development, the module may be cached if needed
# using REUSE_MODULE=1.
#
# Note that at one point we were passing '--skip-badvars' when
# compiling the syscall module. This tends to hide errors and not
# give errors when we expect them.
#
# Returning back to '--skip-badvars' after discussion. Without it,
# the "big" test module, having syscall.* in it, might not compile at
# all. In such case none of the syscall tests can run. This way
# we can at least run the tests and possibly KFAIL the test results
# where needed.
set script "$srcdir/$subdir/${test_script}"
set cmd "stap --skip-badvars -p4 -I $srcdir/$subdir/tapset -m ${test_module_name} ${script}"
exec /bin/rm -f ${test_module}
set output ""
if {[info exists env(REUSE_MODULE)] && \
![string compare $env(REUSE_MODULE) 1] && \
[file exists ${cached_module}]} {
puts "ATTENTION: Reusing existing module since REUSE_MODULE was set."
exec /bin/cp ${cached_module} ${test_module}
} else {
catch {eval exec $cmd} output
}
send_log "${output}\n"
if {[file exists ${test_module}]} {
exec /bin/cp ${test_module} ${cached_module}
pass "${script} compilation"
} else {
# If compiling the test module failed, there isn't much point
# in trying to run any of the real tests.
fail "${script} compilation"
return
}
for {set i 0} {$i < [arch_compile_flags]} {incr i} {
set flags [arch_compile_flag $i]
set arch [arch_compile_flag_name $i]
set arch_size [arch_compile_flag_bits $i]
foreach filename [lsort $test_files] {
set testname [file tail [string range $filename 0 end-2]]
if {![installtest_p]} {
untested "${arch_size}-bit $testname"; continue
}
send_log "Testing ${arch_size}-bit ${testname} syscall\n"
run_one_test $filename $flags ${arch_size} "syscall"
}
}
# Cleeanup
exec /bin/rm -f ${test_module}
}
test_procedure
|
