Initial creation of sourceware repository
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Stan Shebs
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318
sim/testsuite/lib/sim-defs.exp
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318
sim/testsuite/lib/sim-defs.exp
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# Simulator dejagnu utilities.
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# Communicate simulator path from sim_init to sim_version.
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# For some reason [board_info target sim] doesn't work in sim_version.
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# [Presumubly because the target has been "popped" by then. Odd though.]
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set sim_path "unknown-run"
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# Initialize the testrun.
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# Required by dejagnu.
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proc sim_init { args } {
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global sim_path
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set sim_path [board_info target sim]
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# Need to return an empty string (copied from GAS).
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return ""
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}
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# Print the version of the simulator being tested.
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# Required by dejagnu.
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proc sim_version {} {
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global sim_path
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set version 0.5
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clone_output "$sim_path $version\n"
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}
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# Cover function to target_compile.
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# Copied from gdb_compile.
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proc sim_compile { source dest type options } {
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set result [target_compile $source $dest $type $options]
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regsub "\[\r\n\]*$" "$result" "" result
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regsub "^\[\r\n\]*" "$result" "" result
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if { $result != "" } {
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clone_output "sim compile output: $result"
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}
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return $result
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}
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# Run a program on the simulator.
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# Required by dejagnu (at least ${tool}_run used to be).
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#
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# SIM_OPTS are options for the simulator.
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# PROG_OPTS are options passed to the simulated program.
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# At present REDIR must be "" or "> foo".
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# OPTIONS is a list of options internal to this routine.
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# This is modelled after target_compile. We want to be able to add new
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# options without having to update all our users.
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# Currently:
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# env(foo)=val - set environment variable foo to val for this run
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# timeout=val - set the timeout to val for this run
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#
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# The result is a list of two elements.
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# The first is one of pass/fail/etc.
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# The second is the program's output.
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#
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# This is different than the sim_load routine provided by
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# dejagnu/config/sim.exp. It's not clear how to pass arguments to the
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# simulator (not the simulated program, the simulator) with sim_load.
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proc sim_run { prog sim_opts prog_opts redir options } {
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global SIMFLAGS
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# Set the default value of the timeout.
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# FIXME: The timeout value we actually want is a function of
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# host, target, and testcase.
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set testcase_timeout [board_info target sim_time_limit]
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if { "$testcase_timeout" == "" } {
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set testcase_timeout [board_info host testcase_timeout]
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}
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if { "$testcase_timeout" == "" } {
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set testcase_timeout 240 ;# 240 same as in dejagnu/config/sim.exp.
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}
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# Initial the environment we pass to the testcase.
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set testcase_env ""
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# Process OPTIONS ...
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foreach o $options {
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if [regexp {^env\((.*)\)=(.*)} $o full var val] {
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set testcase_env "$testcase_env $var=$val"
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} elseif [regexp {^timeout=(.*)} $o full val] {
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set testcase_timeout $val
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}
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}
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verbose "testcase timeout is set to $testcase_timeout" 1
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set sim [board_info target sim]
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if [is_remote host] {
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set prog [remote_download host $prog]
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if { $prog == "" } {
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error "download failed"
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return -1;
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}
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}
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set board [target_info name]
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if [board_info $board exists sim,options] {
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set always_opts [board_info $board sim,options]
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} else {
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set always_opts ""
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}
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# FIXME: this works for UNIX only
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if { "$testcase_env" != "" } {
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set sim "env $testcase_env $sim"
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}
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send_log "$sim $always_opts $SIMFLAGS $sim_opts $prog $prog_opts\n"
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if { "$redir" == "" } {
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remote_spawn host "$sim $always_opts $SIMFLAGS $sim_opts $prog $prog_opts"
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} else {
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remote_spawn host "$sim $always_opts $SIMFLAGS $sim_opts $prog $prog_opts $redir" writeonly
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}
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set result [remote_wait host $testcase_timeout]
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set return_code [lindex $result 0]
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set output [lindex $result 1]
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# Remove the \r part of "\r\n" so we don't break all the patterns
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# we want to match.
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regsub -all -- "\r" $output "" output
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if [is_remote host] {
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# clean up after ourselves.
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remote_file host delete $prog
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}
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# ??? Not sure the test for pass/fail is right.
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# We just care that the simulator ran correctly, not whether the simulated
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# program return 0 or non-zero from `main'.
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set status fail
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if { $return_code == 0 } {
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set status pass
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}
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return [list $status $output]
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}
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# Run testcase NAME.
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# NAME is either a fully specified file name, or just the file name in which
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# case $srcdir/$subdir will be prepended.
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# ALL_MACHS is a list of machs to use if "mach: all" is specified in the file.
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# The file can contain options in the form "# option(mach list): value"
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# Possibilities:
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# mach: [all | machine names]
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# as[(mach-list)]: <assembler options>
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# ld[(mach-list)]: <linker options>
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# sim[(mach-list)]: <simulator options>
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# output[(mach-list)]: program output pattern to match with string-match
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# xerror[(mach-list)]: program is expected to return with a "failure" exit code
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# If `output' is not specified, the program must output "pass" if !xerror or
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# "fail" if xerror.
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# The parens in "optname()" are optional if the specification is for all machs.
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proc run_sim_test { name all_machs } {
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global subdir srcdir
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global AS ASFLAGS LD LDFLAGS SIMFLAGS
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global opts
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if [string match "*/*" $name] {
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set file $name
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set name [file tail $name]
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} else {
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set file "$srcdir/$subdir/$name"
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}
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set opt_array [slurp_options "${file}"]
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if { $opt_array == -1 } {
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unresolved $subdir/$name
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return
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}
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set opts(as) {}
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set opts(ld) {}
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set opts(sim) {}
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set opts(output) {}
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set opts(mach) {}
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set opts(timeout) {}
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set opts(xerror) "no"
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foreach i $opt_array {
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set opt_name [lindex $i 0]
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set opt_machs [lindex $i 1]
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set opt_val [lindex $i 2]
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if ![info exists opts($opt_name)] {
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perror "unknown option $opt_name in file $file"
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unresolved $subdir/$name
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return
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}
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foreach m $opt_machs {
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set opts($opt_name,$m) $opt_val
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}
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if { "$opt_machs" == "" } {
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set opts($opt_name) $opt_val
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}
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}
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set testname $name
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set sourcefile $file
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if { $opts(output) == "" } {
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if { "$opts(xerror)" == "no" } {
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set opts(output) "pass\n"
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} else {
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set opts(output) "fail\n"
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}
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}
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# Change \n sequences to newline chars.
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regsub -all "\\\\n" $opts(output) "\n" opts(output)
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foreach mach $opts(mach) {
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verbose "Testing $name on $mach."
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if ![info exists opts(as,$mach)] {
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set opts(as,$mach) $opts(as)
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}
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send_log "$AS $ASFLAGS $opts(as,$mach) -I$srcdir/$subdir -o ${name}.o $sourcefile\n"
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catch "exec $AS $ASFLAGS $opts(as,$mach) -I$srcdir/$subdir -o ${name}.o $sourcefile" comp_output
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if ![string match "" $comp_output] {
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verbose -log "$comp_output" 3
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fail "$mach $testname"
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continue
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}
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if ![info exists opts(ld,$mach)] {
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set opts(ld,$mach) $opts(ld)
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}
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send_log "$LD $LDFLAGS $opts(ld,$mach) -o ${name}.x ${name}.o\n"
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catch "exec $LD $LDFLAGS $opts(ld,$mach) -o ${name}.x ${name}.o" comp_output
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if ![string match "" $comp_output] {
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verbose -log "$comp_output" 3
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fail "$mach $testname"
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continue
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}
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# If no machine specific options, default to the general version.
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if ![info exists opts(sim,$mach)] {
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set opts(sim,$mach) $opts(sim)
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}
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# Build the options argument.
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set options ""
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if { "$opts(timeout)" != "" } {
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set options "$options timeout=$opts(timeout)"
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}
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set result [sim_run ${name}.x "$opts(sim,$mach)" "" "" "$options"]
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set status [lindex $result 0]
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set output [lindex $result 1]
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if { "$status" == "pass" } {
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if { "$opts(xerror)" == "no" } {
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if [string match $opts(output) $output] {
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pass "$mach $testname"
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} else {
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verbose -log "output: $output" 3
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verbose -log "pattern: $opts(output)" 3
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fail "$mach $testname"
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}
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} else {
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verbose -log "`pass' return code when expecting failure" 3
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fail "$mach $testname"
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}
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} elseif { "$status" == "fail" } {
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if { "$opts(xerror)" == "no" } {
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fail "$mach $testname"
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} else {
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if [string match $opts(output) $output] {
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pass "$mach $testname"
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} else {
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verbose -log "output: $output" 3
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verbose -log "pattern: $opts(output)" 3
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fail "$mach $testname"
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}
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}
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} else {
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$status "$mach $testname"
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}
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}
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}
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# Subroutine of run_sim_test to process options in FILE.
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proc slurp_options { file } {
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if [catch { set f [open $file r] } x] {
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#perror "couldn't open `$file': $x"
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perror "$x"
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return -1
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}
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set opt_array {}
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# whitespace expression
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set ws {[ ]*}
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set nws {[^ ]*}
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# whitespace is ignored anywhere except within the options list;
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# option names are alphabetic only
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set pat "^#${ws}(\[a-zA-Z\]*)\\(?(\[^):\]*)\\)?$ws:${ws}(.*)$ws\$"
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# Allow comment as first line of file.
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set firstline 1
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while { [gets $f line] != -1 } {
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set line [string trim $line]
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# Whitespace here is space-tab.
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if [regexp $pat $line xxx opt_name opt_machs opt_val] {
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# match!
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lappend opt_array [list $opt_name $opt_machs $opt_val]
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} else {
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if { ! $firstline } {
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break
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}
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}
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set firstline 0
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}
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close $f
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return $opt_array
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}
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