1 # Copyright (C) 1993, 1994, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
2 # 2004, 2005, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
4 # This program is free software; you can redistribute it and/or modify
5 # it under the terms of the GNU General Public License as published by
6 # the Free Software Foundation; either version 3 of the License, or
7 # (at your option) any later version.
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program; if not, write to the Free Software
16 # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19 # Please email any bugs, comments, and/or additions to this file to:
22 # This file was written by Ken Raeburn (raeburn@cygnus.com).
24 proc load_common_lib { name } {
26 load_file $srcdir/../../binutils/testsuite/lib/$name
29 load_common_lib binutils-common.exp
33 if [is_remote host] then {
34 remote_exec host "$AS -version < /dev/null" "" "" "gas.version"
35 remote_exec host "which $AS" "" "" "gas.which"
37 remote_upload host "gas.version"
38 remote_upload host "gas.which"
40 set which_as [file_contents "gas.which"]
41 set tmp [file_contents "gas.version"]
43 remote_file build delete "gas.version"
44 remote_file build delete "gas.which"
45 remote_file host delete "gas.version"
46 remote_file host delete "gas.which"
48 set which_as [which $AS]
49 catch "exec $AS -version < /dev/null" tmp
52 # Should find a way to discard constant parts, keep whatever's
53 # left, so the version string could be almost anything at all...
54 regexp "\[^\n\]* (cygnus-|)(\[-0-9.a-zA-Z-\]+)\[\r\n\].*" $tmp version cyg number
55 if ![info exists number] then {
56 return "$which_as (no version number)\n"
58 clone_output "$which_as $number\n"
62 proc gas_host_run { cmd redir } {
63 verbose "Executing $cmd $redir"
64 set return_contents_of ""
65 if [regexp ">& */dev/null" $redir] then {
67 set command "$cmd $redir"
68 } elseif [regexp "> */dev/null" $redir] then {
70 set command "$cmd 2>gas.stderr"
71 set return_contents_of "gas.stderr"
72 } elseif [regexp ">&.*" $redir] then {
73 # See PR 5322 for why the following line is used.
74 regsub ">&" $redir "" output_file
75 set command "$cmd 2>&1"
76 } elseif [regexp "2>.*" $redir] then {
77 set output_file "gas.out"
78 set command "$cmd $redir"
79 set return_contents_of "gas.out"
80 } elseif [regexp ">.*" $redir] then {
82 set command "$cmd $redir 2>gas.stderr"
83 set return_contents_of "gas.stderr"
84 } elseif { "$redir" == "" } then {
85 set output_file "gas.out"
86 set command "$cmd 2>&1"
87 set return_contents_of "gas.out"
89 fail "gas_host_run: unknown form of redirection string"
92 set status [remote_exec host [concat sh -c [list $command]] "" "/dev/null" "$output_file"]
94 if { "$return_contents_of" != "" } then {
95 remote_upload host "$return_contents_of"
96 set to_return [file_contents "$return_contents_of"]
97 regsub "\n$" $to_return "" to_return
100 if { [lindex $status 0] == 0 && "$output_file" != ""
101 && "$output_file" != "$return_contents_of" } then {
102 remote_upload host "$output_file"
105 return [list [lindex $status 0] "$to_return"]
108 proc gas_run { prog as_opts redir } {
116 set status [gas_host_run "$AS $ASFLAGS $as_opts $srcdir/$subdir/$prog" "$redir"]
117 set comp_output [lindex $status 1]
118 if { [lindex $status 0] != 0 && [regexp "2>.*" $redir] } then {
119 append comp_output "child process exited abnormally"
121 set comp_output [prune_warnings $comp_output]
122 verbose "output was $comp_output"
123 return [list $comp_output ""]
126 proc gas_run_stdin { prog as_opts redir } {
134 set status [gas_host_run "$AS $ASFLAGS $as_opts < $srcdir/$subdir/$prog" "$redir"]
135 set comp_output [lindex $status 1]
136 if { [lindex $status 0] != 0 && [regexp "2>.*" $redir] } then {
137 append comp_output "child process exited abnormally"
139 set comp_output [prune_warnings $comp_output]
140 verbose "output was $comp_output"
141 return [list $comp_output ""]
144 proc all_ones { args } {
145 foreach x $args { if [expr $x!=1] { return 0 } }
149 # ${tool}_finish (gas_finish) will be called by runtest.exp. But
150 # gas_finish should only be used with gas_start. We use gas_started
151 # to tell gas_finish if gas_start has been called so that runtest.exp
152 # can call gas_finish without closing the wrong fd.
155 proc gas_start { prog as_opts } {
165 verbose -log "Starting $AS $ASFLAGS $as_opts $prog" 2
166 set status [gas_host_run "$AS $ASFLAGS $as_opts $srcdir/$subdir/$prog" ">&gas.out"]
167 spawn -noecho -nottycopy cat gas.out
170 proc gas_finish { } {
174 if { $gas_started == 1 } {
181 proc want_no_output { testname } {
184 if ![string match "" $comp_output] then {
185 send_log "$comp_output\n"
186 verbose "$comp_output" 3
188 if [string match "" $comp_output] then {
197 proc gas_test_old { file as_opts testname } {
198 gas_run $file $as_opts ""
199 return [want_no_output $testname]
202 proc gas_test { file as_opts var_opts testname } {
206 foreach word $var_opts {
207 set ignore_stdout($i) [string match "*>" $word]
208 set opt($i) [string trim $word {>}]
212 for {set i 0} {[expr $i<$max]} {incr i} {
213 set maybe_ignore_stdout ""
215 for {set bit 0} {(1<<$bit)<$max} {incr bit} {
216 set num [expr 1<<$bit]
217 if [expr $i&$num] then {
218 set extra_opts "$extra_opts $opt($bit)"
219 if $ignore_stdout($bit) then {
220 set maybe_ignore_stdout ">/dev/null"
224 set extra_opts [string trim $extra_opts]
225 gas_run $file "$as_opts $extra_opts" $maybe_ignore_stdout
227 # Should I be able to use a conditional expression here?
228 if [string match "" $extra_opts] then {
229 want_no_output $testname
231 want_no_output "$testname ($extra_opts)"
234 if [info exists errorInfo] then {
239 proc gas_test_ignore_stdout { file as_opts testname } {
242 gas_run $file $as_opts ">/dev/null"
243 want_no_output $testname
246 proc gas_test_error { file as_opts testname } {
249 gas_run $file $as_opts ">/dev/null"
250 send_log "$comp_output\n"
251 verbose "$comp_output" 3
252 if { ![string match "" $comp_output]
253 && ![string match "*Assertion failure*" $comp_output]
254 && ![string match "*Internal error*" $comp_output] } then {
263 proc gas_init { args } {
265 global target_cpu_family
271 case "$target_cpu" in {
272 "m68???" { set target_cpu_family m68k }
273 "i[3-7]86" { set target_cpu_family i386 }
274 default { set target_cpu_family $target_cpu }
277 set target_family "$target_cpu_family-$target_vendor-$target_os"
280 if ![istarget "*-*-*"] {
281 perror "Target name [istarget] is not a triple."
283 # Need to return an empty string.
287 # Internal procedure: return the names of the standard sections
289 proc get_standard_section_names {} {
290 if [istarget "rx-*-*"] {
291 return { "P" "D_1" "B_1" }
296 # run_dump_tests TESTCASES EXTRA_OPTIONS
297 # Wrapper for run_dump_test, which is suitable for invoking as
298 # run_dump_tests [lsort [glob -nocomplain $srcdir/$subdir/*.d]]
299 # EXTRA_OPTIONS are passed down to run_dump_test. Honors runtest_file_p.
300 # Body cribbed from dg-runtest.
302 proc run_dump_tests { testcases {extra_options {}} } {
305 foreach testcase $testcases {
306 # If testing specific files and this isn't one of them, skip it.
307 if ![runtest_file_p $runtests $testcase] {
310 run_dump_test [file rootname [file tail $testcase]] $extra_options
315 # run_dump_test FILE (optional:) EXTRA_OPTIONS
317 # Assemble a .s file, then run some utility on it and check the output.
319 # There should be an assembly language file named FILE.s in the test
320 # suite directory, and a pattern file called FILE.d. `run_dump_test'
321 # will assemble FILE.s, run some tool like `objdump', `objcopy', or
322 # `nm' on the .o file to produce textual output, and then analyze that
323 # with regexps. The FILE.d file specifies what program to run, and
324 # what to expect in its output.
326 # The FILE.d file begins with zero or more option lines, which specify
327 # flags to pass to the assembler, the program to run to dump the
328 # assembler's output, and the options it wants. The option lines have
333 # OPTION is the name of some option, like "name" or "objdump", and
334 # VALUE is OPTION's value. The valid options are described below.
335 # Whitespace is ignored everywhere, except within VALUE. The option
336 # list ends with the first line that doesn't match the above syntax.
337 # However, a line within the options that begins with a #, but doesn't
338 # have a recognizable option name followed by a colon, is considered a
339 # comment and entirely ignored.
341 # The optional EXTRA_OPTIONS argument to `run_dump_test' is a list of
342 # two-element lists. The first element of each is an option name, and
343 # the second additional arguments to be added on to the end of the
344 # option list as given in FILE.d. (If omitted, no additional options
347 # The interesting options are:
350 # The name of this test, passed to DejaGNU's `pass' and `fail'
351 # commands. If omitted, this defaults to FILE, the root of the
352 # .s and .d files' names.
355 # When assembling FILE.s, pass FLAGS to the assembler.
362 # Use the specified program to analyze the .o file, and pass it
363 # FLAGS, in addition to the .o file name. Note that they are run
364 # with LC_ALL=C in the environment to give consistent sorting
365 # of symbols. If no FLAGS are needed then use:
366 # PROG: [nm objcopy objdump readelf addr2line]
368 # Note: for objdump, we automatically replaces the standard section
369 # names (.text, .data and .bss) by target ones if any (eg. rx-elf
370 # uses "P" instead of .text). The substition is done for both
371 # the objdump options (eg: "-j .text" is replaced by "-j P") and the
375 # Assemble the file SOURCE.s. If omitted, this defaults to FILE.s.
376 # This is useful if several .d files want to share a .s file.
379 # Match against DUMP.d. If omitted, this defaults to FILE.d. This
380 # is useful if several .d files differ by options only. Options are
381 # always read from FILE.d.
384 # Run this test only on a specified list of targets. More precisely,
385 # each glob in the space-separated list is passed to "istarget"; if
386 # it evaluates true for any of them, the test will be run, otherwise
387 # it will be marked unsupported.
389 # not-target: GLOBS...
390 # Do not run this test on a specified list of targets. Again,
391 # the each glob in the space-separated list is passed to
392 # "istarget", and the test is run if it evaluates *false* for
393 # *all* of them. Otherwise it will be marked unsupported.
397 # These are exactly the same as "not-target" and "target",
398 # respectively, except that they do nothing at all if the check
399 # fails. They should only be used in groups, to construct a single
400 # test which is run on all targets but with variant options or
401 # expected output on some targets. (For example, see
402 # gas/arm/inst.d and gas/arm/wince_inst.d.)
405 # An error with message matching REGEX must be emitted for the test
406 # to pass. The PROG, objdump, nm and objcopy options have no
407 # meaning and need not supplied if this is present.
410 # Expect a gas warning matching REGEX. It is an error to issue
411 # both "error" and "warning".
414 # FILE contains regexp lines to be matched against the diagnostic
415 # output of the assembler. This does not preclude the use of
416 # PROG, nm, objdump, or objcopy.
419 # Means the same as 'stderr', but also indicates that the assembler
420 # is expected to exit unsuccessfully (therefore PROG, objdump, nm,
421 # and objcopy have no meaning and should not be supplied).
424 # Means that the section substitution for objdump is disabled.
426 # Each option may occur at most once.
428 # After the option lines come regexp lines. `run_dump_test' calls
429 # `regexp_diff' to compare the output of the dumping tool against the
430 # regexps in FILE.d. `regexp_diff' is defined in binutils-common.exp;
431 # see further comments there.
433 proc run_dump_test { name {extra_options {}} } {
435 global OBJDUMP NM AS OBJCOPY READELF
436 global OBJDUMPFLAGS NMFLAGS ASFLAGS OBJCOPYFLAGS READELFFLAGS
437 global ADDR2LINE ADDR2LINEFLAGS
441 if [string match "*/*" $name] {
443 set name [file tail $name]
445 set file "$srcdir/$subdir/$name"
447 set opt_array [slurp_options "${file}.d"]
448 if { $opt_array == -1 } {
449 perror "error reading options from $file.d"
450 unresolved $subdir/$name
453 set opts(addr2line) {}
465 set opts(error-output) {}
468 set opts(not-target) {}
470 set opts(not-skip) {}
471 set opts(section-subst) {}
473 foreach i $opt_array {
474 set opt_name [lindex $i 0]
475 set opt_val [lindex $i 1]
476 if ![info exists opts($opt_name)] {
477 perror "unknown option $opt_name in file $file.d"
478 unresolved $subdir/$name
481 if [string length $opts($opt_name)] {
482 perror "option $opt_name multiply set in $file.d"
483 unresolved $subdir/$name
486 if { $opt_name == "as" } {
487 set opt_val [subst $opt_val]
489 set opts($opt_name) $opt_val
492 foreach i $extra_options {
493 set opt_name [lindex $i 0]
494 set opt_val [lindex $i 1]
495 if ![info exists opts($opt_name)] {
496 perror "unknown option $opt_name given in extra_opts"
497 unresolved $subdir/$name
500 # add extra option to end of existing option, adding space
502 if [string length $opts($opt_name)] {
503 append opts($opt_name) " "
505 append opts($opt_name) $opt_val
508 if { $opts(name) == "" } {
509 set testname "$subdir/$name"
511 set testname $opts(name)
513 verbose "Testing $testname"
515 if { (($opts(warning) != "") && ($opts(error) != "")) \
516 || (($opts(warning) != "") && ($opts(stderr) != "")) \
517 || (($opts(error-output) != "") && ($opts(stderr) != "")) \
518 || (($opts(error-output) != "") && ($opts(error) != "")) \
519 || (($opts(error-output) != "") && ($opts(warning) != "")) } {
520 perror "$testname: bad mix of stderr, error-output, error, and warning test-directives"
524 if { $opts(error-output) != "" } then {
525 set opts(stderr) $opts(error-output)
529 # It's meaningless to require an output-testing method when we
531 if { $opts(error) == "" && $opts(error-output) == "" } {
532 if {$opts(PROG) != ""} {
533 switch -- $opts(PROG) {
534 addr2line { set program addr2line }
535 objdump { set program objdump }
536 nm { set program nm }
537 objcopy { set program objcopy }
538 readelf { set program readelf }
540 perror "unrecognized program option $opts(PROG) in $file.d"
545 # Guess which program to run, by seeing which option was specified.
546 foreach p {objdump objcopy nm readelf addr2line} {
547 if {$opts($p) != ""} {
548 if {$program != ""} {
549 perror "ambiguous dump program in $file.d"
558 if { $program == "" && $opts(warning) == "" } {
559 perror "dump program unspecified in $file.d"
565 # Handle skipping the test on specified targets.
566 # You can have both skip/not-skip and target/not-target, but you can't
567 # have both skip and not-skip, or target and not-target, in the same file.
568 if { $opts(skip) != "" } then {
569 if { $opts(not-skip) != "" } then {
570 perror "$testname: mixing skip and not-skip directives is invalid"
574 foreach glob $opts(skip) {
575 if {[istarget $glob]} { return }
578 if { $opts(not-skip) != "" } then {
580 foreach glob $opts(not-skip) {
581 if {[istarget $glob]} {
586 if {$skip} { return }
588 if { $opts(target) != "" } then {
589 if { $opts(not-target) != "" } then {
590 perror "$testname: mixing target and not-target directives is invalid"
595 foreach glob $opts(target) {
596 if {[istarget $glob]} {
602 unsupported $testname
606 if { $opts(not-target) != "" } then {
607 foreach glob $opts(not-target) {
608 if {[istarget $glob]} {
609 unsupported $testname
616 if { $opts(source) == "" } {
617 set sourcefile ${file}.s
619 set sourcefile $srcdir/$subdir/$opts(source)
622 if { $opts(dump) == "" } {
623 set dumpfile ${file}.d
625 set dumpfile $srcdir/$subdir/$opts(dump)
628 set cmd "$AS $ASFLAGS $opts(as) -o dump.o $sourcefile"
630 set status [gas_host_run $cmd ""]
631 set cmdret [lindex $status 0]
632 set comp_output [prune_warnings [lindex $status 1]]
634 set expmsg $opts(error)
635 if { $opts(warning) != "" } {
636 set expmsg $opts(warning)
638 if { $cmdret != 0 || $comp_output != "" || $expmsg != "" } then {
639 # If the executed program writes to stderr and stderr is not
640 # redirected, exec *always* returns failure, regardless of the
641 # program exit code. Thankfully, we can retrieve the true
642 # return status from a special variable. Redirection would
643 # cause a tcl-specific message to be appended, and we'd rather
644 # not deal with that if we can help it.
646 if { $cmdret != 0 && [lindex $errorCode 0] == "NONE" } {
650 set exitstat "succeeded"
651 if { $cmdret != 0 } { set exitstat "failed" }
653 send_log "$comp_output\n"
654 verbose "$comp_output" 3
655 if { $opts(stderr) == "" } then {
656 if { [regexp $expmsg $comp_output] \
657 && (($cmdret == 0) == ($opts(warning) != "")) } {
658 # We have the expected output from gas.
659 # Return if there's nothing more to do.
660 if { $opts(error) != "" || $program == "" } {
665 verbose -log "$exitstat with: <$comp_output>, expected: <$expmsg>"
671 catch {write_file dump.stderr "$comp_output"} write_output
672 if ![string match "" $write_output] then {
673 send_log "error writing dump.stderr: $write_output\n"
674 verbose "error writing dump.stderr: $write_output" 3
675 send_log "$comp_output\n"
676 verbose "$comp_output" 3
680 set stderrfile $srcdir/$subdir/$opts(stderr)
681 verbose "wrote pruned stderr to dump.stderr" 3
682 if { [regexp_diff "dump.stderr" "$stderrfile"] } then {
683 if { $opts(error) != "" } {
684 verbose -log "$exitstat with: <$comp_output>, expected: <$opts(error)>"
685 if [regexp $opts(error) $comp_output] {
691 verbose "pruned stderr is [file_contents "dump.stderr"]" 2
693 } elseif { $opts(error-output) != "" } then {
699 if { $opts(error) != "" || $opts(error-output) != "" } {
704 if { $program == "" } {
707 set progopts1 $opts($program)
708 eval set progopts \$[string toupper $program]FLAGS
709 eval set binary \$[string toupper $program]
711 if { ![is_remote host] && [which $binary] == 0 } {
716 # For objdump, automatically translate standard section names to the targets one,
717 # if they are different.
718 set sect_names [get_standard_section_names]
719 if { $sect_names != "" && $program == "objdump" && $opts(section-subst) == ""} {
720 regsub -- "-j \\.text" $progopts1 "-j [lindex $sect_names 0]" progopts1
721 regsub -- "-j \\.data" $progopts1 "-j [lindex $sect_names 1]" progopts1
722 regsub -- "-j \\.bss" $progopts1 "-j [lindex $sect_names 2]" progopts1
725 if { $progopts1 == "" } { set $progopts1 "-r" }
726 verbose "running $binary $progopts $progopts1" 3
728 # Objcopy, unlike the other two, won't send its output to stdout,
729 # so we have to run it specially.
730 set cmd "$binary $progopts $progopts1 dump.o"
731 set redir ">dump.out"
732 if { $program == "objcopy" } {
733 set cmd "$binary $progopts $progopts1 dump.o dump.out"
737 # Ensure consistent sorting of symbols
738 if {[info exists env(LC_ALL)]} {
739 set old_lc_all $env(LC_ALL)
743 set status [gas_host_run "$cmd" "$redir"]
744 set comp_output [prune_warnings [lindex $status 1]]
745 if {[info exists old_lc_all]} {
746 set env(LC_ALL) $old_lc_all
750 set comp_output [prune_warnings $comp_output]
751 if ![string match "" $comp_output] then {
752 send_log "$comp_output\n"
757 # Create the substition list only for objdump reference.
758 if { $sect_names != "" && $program == "objdump" } {
759 # Some testcases use ".text" while others use "\.text".
760 set regexp_subst [list "\\\\?\\.text" [lindex $sect_names 0] \
761 "\\\\?\\.data" [lindex $sect_names 1] \
762 "\\\\?\\.bss" [lindex $sect_names 2] ]
767 verbose_eval {[file_contents "dump.out"]} 3
768 if { [regexp_diff "dump.out" "${dumpfile}" $regexp_subst] } then {
770 verbose "output is [file_contents "dump.out"]" 2
777 proc slurp_options { file } {
778 if [catch { set f [open $file r] } x] {
779 #perror "couldn't open `$file': $x"
784 # whitespace expression
787 # whitespace is ignored anywhere except within the options list;
788 # option names are alphabetic plus dash
789 set pat "^#${ws}(\[a-zA-Z0-9-\]*)$ws:${ws}(.*)$ws\$"
790 while { [gets $f line] != -1 } {
791 set line [string trim $line]
792 # Whitespace here is space-tab.
793 if [regexp $pat $line xxx opt_name opt_val] {
795 lappend opt_array [list $opt_name $opt_val]
796 } elseif {![regexp "^#" $line ]} {
804 proc objdump { opts } {
809 set status [gas_host_run "$OBJDUMP $opts" ""]
810 set comp_output [prune_warnings [lindex $status 1]]
811 verbose "objdump output=$comp_output\n" 3
814 proc objdump_start_no_subdir { prog opts } {
819 verbose "Starting $OBJDUMP $opts $prog" 2
820 set status [gas_host_run "$OBJDUMP $opts $prog" ">&gas.out"]
821 spawn -noecho -nottycopy cat gas.out
824 proc objdump_finish { } {
831 # Default timeout is 10 seconds, loses on a slow machine. But some
832 # configurations of dejagnu may override it.
833 if {$timeout<120} then { set timeout 120 }
836 timeout { perror "timeout" }
837 "virtual memory exhausted" { perror "virtual memory exhausted" }
838 buffer_full { perror "buffer full" }
842 proc file_contents { filename } {
843 set file [open $filename r]
844 set contents [read $file]
849 proc write_file { filename contents } {
850 set file [open $filename w]
851 puts $file "$contents"
855 proc verbose_eval { expr { level 1 } } {
857 if $verbose>$level then { eval verbose "$expr" $level }
860 # This definition is taken from an unreleased version of DejaGnu. Once
861 # that version gets released, and has been out in the world for a few
862 # months at least, it may be safe to delete this copy.
863 if ![string length [info proc prune_warnings]] {
865 # prune_warnings -- delete various system verbosities from TEXT.
868 # ld.so: warning: /usr/lib/libc.so.1.8.1 has older revision than expected 9
870 # Sites with particular verbose os's may wish to override this in site.exp.
872 proc prune_warnings { text } {
873 # This is from sun4's. Do it for all machines for now.
874 # The "\\1" is to try to preserve a "\n" but only if necessary.
875 regsub -all "(^|\n)(ld.so: warning:\[^\n\]*\n?)+" $text "\\1" text
877 # It might be tempting to get carried away and delete blank lines, etc.
878 # Just delete *exactly* what we're ask to, and that's it.
883 # run_list_test NAME (optional): OPTS TESTNAME
885 # Assemble the file "NAME.s" with command line options OPTS and
886 # compare the assembler standard error output against the regular
887 # expressions given in the file "NAME.l". If TESTNAME is provided,
888 # it will be used as the name of the test.
890 proc run_list_test { name {opts {}} {testname {}} } {
892 if { [string length $testname] == 0 } then {
893 set testname "[file tail $subdir] $name"
895 set file $srcdir/$subdir/$name
896 gas_run ${name}.s $opts ">&dump.out"
897 if { [regexp_diff "dump.out" "${file}.l"] } then {
899 verbose "output is [file_contents "dump.out"]" 2
905 # run_list_test_stdin NAME (optional): OPTS TESTNAME
907 # Similar to run_list_test, but use stdin as input.
909 proc run_list_test_stdin { name {opts {}} {testname {}} } {
911 if { [string length $testname] == 0 } then {
912 set testname "[file tail $subdir] $name"
914 set file $srcdir/$subdir/$name
915 gas_run_stdin ${name}.s $opts ">&dump.out"
916 if { [regexp_diff "dump.out" "${file}.l"] } then {
918 verbose "output is [file_contents "dump.out"]" 2