gas/testsuite/lib/gas-defs.exp - binutils-gdb - Git at Google

 # Copyright (C) 1993-2021 Free Software Foundation, Inc.

 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation; either version 3 of the License, or
 # (at your option) any later version.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
 # MA 02110-1301, USA.

 # Please email any bugs, comments, and/or additions to this file to:
 # dejagnu@gnu.org

 # This file was written by Ken Raeburn (raeburn@cygnus.com).

 proc load_common_lib { name } {
     global srcdir
     load_file $srcdir/../../binutils/testsuite/lib/$name
 }

 load_common_lib binutils-common.exp

 proc gas_version {} {
     global AS
     if [is_remote host] then {
 	remote_exec host "$AS -version < /dev/null" "" "" "gas.version"
 	remote_exec host "which $AS" "" "" "gas.which"

 	remote_upload host "gas.version"
 	remote_upload host "gas.which"

 	set which_as [file_contents "gas.which"]
 	set tmp [file_contents "gas.version"]

     	remote_file build delete "gas.version"
    	remote_file build delete "gas.which"
     	remote_file host delete "gas.version"
     	remote_file host delete "gas.which"
     } else {
 	set which_as [which $AS]
 	catch "exec $AS -version < /dev/null" tmp
     }

     # Should find a way to discard constant parts, keep whatever's
     # left, so the version string could be almost anything at all...
     regexp "\[^\n\]* (cygnus-|)(\[-0-9.a-zA-Z-\]+)\[\r\n\].*" $tmp version cyg number
     if ![info exists number] then {
         return "$which_as (no version number)\n"
     }
     clone_output "$which_as $number\n"
     unset version
 }

 proc gas_host_run { cmd redir } {
     verbose "Executing $cmd $redir"
     set return_contents_of ""
     if [regexp ">& */dev/null" $redir] then {
 	set output_file ""
 	set command "$cmd $redir"
     } elseif [regexp "> */dev/null" $redir] then {
 	set output_file ""
 	set command "$cmd 2>gas.stderr"
 	set return_contents_of "gas.stderr"
     } elseif [regexp ">&.*" $redir] then {
 	# See PR 5322 for why the following line is used.
 	regsub ">&" $redir "" output_file
 	set command "$cmd 2>&1"
     } elseif [regexp "2>.*" $redir] then {
 	set output_file "gas.out"
 	set command "$cmd $redir"
 	set return_contents_of "gas.out"
     } elseif [regexp ">.*" $redir] then {
 	set output_file ""
 	set command "$cmd $redir 2>gas.stderr"
 	set return_contents_of "gas.stderr"
     } elseif { "$redir" == "" } then {
 	set output_file "gas.out"
 	set command "$cmd 2>&1"
 	set return_contents_of "gas.out"
     } else {
 	fail "gas_host_run: unknown form of redirection string"
     }

     set status [remote_exec host [concat sh -c [list $command]] "" "/dev/null" "$output_file"]
     set to_return ""
     if { "$return_contents_of" != "" } then {
 	remote_upload host "$return_contents_of"
 	set to_return [file_contents "$return_contents_of"]
 	regsub "\n$" $to_return "" to_return
     }

     if { [lindex $status 0] == 0 && "$output_file" != ""
 	 && "$output_file" != "$return_contents_of" } then {
 	remote_upload host "$output_file"
     }

     return [list [lindex $status 0] "$to_return"]
 }

 proc gas_run { prog as_opts redir } {
     global AS
     global ASFLAGS
     global comp_output
     global srcdir
     global subdir
     global host_triplet

     set status [gas_host_run "$AS $ASFLAGS $as_opts $srcdir/$subdir/$prog" "$redir"]
     set comp_output [lindex $status 1]
     if { [lindex $status 0] != 0 && [regexp "2>.*" $redir] } then {
 	append comp_output "child process exited abnormally"
     }
     set comp_output [prune_warnings $comp_output]
     verbose "output was $comp_output"
     return [list $comp_output ""]
 }

 proc gas_run_stdin { prog as_opts redir } {
     global AS
     global ASFLAGS
     global comp_output
     global srcdir
     global subdir
     global host_triplet

     set status [gas_host_run "$AS $ASFLAGS $as_opts < $srcdir/$subdir/$prog" "$redir"]
     set comp_output [lindex $status 1]
     if { [lindex $status 0] != 0 && [regexp "2>.*" $redir] } then {
 	append comp_output "child process exited abnormally"
     }
     set comp_output [prune_warnings $comp_output]
     verbose "output was $comp_output"
     return [list $comp_output ""]
 }

 proc all_ones { args } {
     foreach x $args { if [expr $x!=1] { return 0 } }
     return 1
 }

 # ${tool}_finish (gas_finish) will be called by runtest.exp.  But
 # gas_finish should only be used with gas_start.  We use gas_started
 # to tell gas_finish if gas_start has been called so that runtest.exp
 # can call gas_finish without closing the wrong fd.
 set gas_started 0

 proc gas_start { prog as_opts } {
     global AS
     global ASFLAGS
     global srcdir
     global subdir
     global spawn_id
     global gas_started

     set gas_started 1

     verbose -log "Starting $AS $ASFLAGS $as_opts $prog" 2
     set status [gas_host_run "$AS $ASFLAGS $as_opts $srcdir/$subdir/$prog" ">&gas.out"]
     spawn -noecho -nottycopy cat gas.out
 }

 proc gas_finish { } {
     global spawn_id
     global gas_started

     if { $gas_started == 1 } {
 	catch "close"
 	catch "wait"
 	set gas_started 0
     }
 }

 proc want_no_output { testname } {
     global comp_output

     if ![string match "" $comp_output] then {
 	send_log "$comp_output\n"
 	verbose "$comp_output" 3
     }
     if [string match "" $comp_output] then {
 	pass "$testname"
 	return 1
     } else {
 	fail "$testname"
 	return 0
     }
 }

 proc gas_test_old { file as_opts testname } {
     gas_run $file $as_opts ""
     return [want_no_output $testname]
 }

 proc gas_test { file as_opts var_opts testname } {
     global comp_output

     set i 0
     foreach word $var_opts {
 	set ignore_stdout($i) [string match "*>" $word]
 	set opt($i) [string trim $word {>}]
 	incr i
     }
     set max [expr 1<<$i]
     for {set i 0} {[expr $i<$max]} {incr i} {
 	set maybe_ignore_stdout ""
 	set extra_opts ""
 	for {set bit 0} {(1<<$bit)<$max} {incr bit} {
 	    set num [expr 1<<$bit]
 	    if [expr $i&$num] then {
 		set extra_opts "$extra_opts $opt($bit)"
 		if $ignore_stdout($bit) then {
 		    set maybe_ignore_stdout ">/dev/null"
 		}
 	    }
 	}
 	set extra_opts [string trim $extra_opts]
 	gas_run $file "$as_opts $extra_opts" $maybe_ignore_stdout

 	# Should I be able to use a conditional expression here?
 	if [string match "" $extra_opts] then {
 	    want_no_output $testname
 	} else {
 	    want_no_output "$testname ($extra_opts)"
 	}
     }
     if [info exists errorInfo] then {
         unset errorInfo
     }
 }

 proc gas_test_ignore_stdout { file as_opts testname } {
     global comp_output

     gas_run $file $as_opts ">/dev/null"
     want_no_output $testname
 }

 proc gas_test_error { file as_opts testname } {
     global comp_output

     gas_run $file $as_opts ">/dev/null"
     send_log "$comp_output\n"
     verbose "$comp_output" 3
     if { ![string match "" $comp_output]
 	 && ![string match "*Assertion failure*" $comp_output]
 	 && ![string match "*Internal error*" $comp_output] } then {
 	pass "$testname"
     } else {
 	fail "$testname"
     }
 }

 proc gas_exit {} {}

 proc gas_init { args } {
     global target_cpu
     global target_cpu_family
     global target_family
     global target_vendor
     global target_os
     global stdoptlist

     switch -glob "$target_cpu" {
 	"m68???"		{ set target_cpu_family m68k }
 	"i[3-7]86"		{ set target_cpu_family i386 }
 	default			{ set target_cpu_family $target_cpu }
     }

     set target_family "$target_cpu_family-$target_vendor-$target_os"
     set stdoptlist "-a>"

     if ![istarget "*-*-*"] {
 	perror "Target name [istarget] is not a triple."
     }
     # Need to return an empty string.
     return
 }

 # run_dump_tests TESTCASES EXTRA_OPTIONS
 # Wrapper for run_dump_test, which is suitable for invoking as
 #   run_dump_tests [lsort [glob -nocomplain $srcdir/$subdir/*.d]]
 # EXTRA_OPTIONS are passed down to run_dump_test.  Honors runtest_file_p.
 # Body cribbed from dg-runtest.

 proc run_dump_tests { testcases {extra_options {}} } {
     global runtests

     foreach testcase $testcases {
         # If testing specific files and this isn't one of them, skip it.
         if ![runtest_file_p $runtests $testcase] {
             continue
         }
         run_dump_test [file rootname [file tail $testcase]] $extra_options
     }
 }

 proc objdump { opts } {
     global OBJDUMP
     global comp_output
     global host_triplet

     set status [gas_host_run "$OBJDUMP $opts" ""]
     set comp_output [prune_warnings [lindex $status 1]]
     verbose "objdump output=$comp_output\n" 3
 }

 proc objdump_start_no_subdir { prog opts } {
     global OBJDUMP
     global srcdir
     global spawn_id

     verbose "Starting $OBJDUMP $opts $prog" 2
     set status [gas_host_run "$OBJDUMP $opts $prog" ">&gas.out"]
     spawn -noecho -nottycopy cat gas.out
 }

 proc objdump_finish { } {
     global spawn_id

     catch "close"
     catch "wait"
 }

 # Default timeout is 10 seconds, loses on a slow machine.  But some
 # configurations of dejagnu may override it.
 if {$timeout<120} then { set timeout 120 }

 expect_after -i {
     timeout			{ perror "timeout" }
     "virtual memory exhausted"	{ perror "virtual memory exhausted" }
     buffer_full			{ perror "buffer full" }
     eof				{ perror "eof" }
 }

 proc file_contents { filename } {
     set file [open $filename r]
     set contents [read $file]
     close $file
     return $contents
 }

 proc write_file { filename contents } {
     set file [open $filename w]
     puts $file "$contents"
     close $file
 }

 proc verbose_eval { expr { level 1 } } {
     global verbose
     if $verbose>$level then { eval verbose "$expr" $level }
 }

 # This definition is taken from an unreleased version of DejaGnu.  Once
 # that version gets released, and has been out in the world for a few
 # months at least, it may be safe to delete this copy.
 if ![string length [info proc prune_warnings]] {
     #
     # prune_warnings -- delete various system verbosities from TEXT.
     #
     # An example is:
     # ld.so: warning: /usr/lib/libc.so.1.8.1 has older revision than expected 9
     #
     # Sites with particular verbose os's may wish to override this in site.exp.
     #
     proc prune_warnings { text } {
 	# This is from sun4's.  Do it for all machines for now.
 	# The "\\1" is to try to preserve a "\n" but only if necessary.
 	regsub -all "(^|\n)(ld.so: warning:\[^\n\]*\n?)+" $text "\\1" text

 	# It might be tempting to get carried away and delete blank lines, etc.
 	# Just delete *exactly* what we're ask to, and that's it.
 	return $text
     }
 }

 # run_list_test NAME (optional): OPTS TESTNAME
 #
 # Assemble the file "NAME.s" with command line options OPTS and
 # compare the assembler standard error output against the regular
 # expressions given in the file "NAME.l".  If TESTNAME is provided,
 # it will be used as the name of the test.

 proc run_list_test { name {opts {}} {testname {}} } {
     global srcdir subdir
     if { [string length $testname] == 0 } then {
 	set testname "[file tail $subdir] $name"
     }
     set file $srcdir/$subdir/$name
     gas_run ${name}.s $opts ">&dump.out"
     if { [regexp_diff "dump.out" "${file}.l"] } then {
 	fail $testname
 	verbose "output is [file_contents "dump.out"]" 2
 	return
     }
     pass $testname
 }

 # run_list_test_stdin NAME (optional): OPTS TESTNAME
 #
 # Similar to run_list_test, but use stdin as input.

 proc run_list_test_stdin { name {opts {}} {testname {}} } {
     global srcdir subdir
     if { [string length $testname] == 0 } then {
 	set testname "[file tail $subdir] $name"
     }
     set file $srcdir/$subdir/$name
     gas_run_stdin ${name}.s $opts ">&dump.out"
     if { [regexp_diff "dump.out" "${file}.l"] } then {
 	fail $testname
 	verbose "output is [file_contents "dump.out"]" 2
 	return
     }
     pass $testname
 }
	# Copyright (C) 1993-2021 Free Software Foundation, Inc.

	# This program is free software; you can redistribute it and/or modify
	# it under the terms of the GNU General Public License as published by
	# the Free Software Foundation; either version 3 of the License, or
	# (at your option) any later version.
	#
	# This program is distributed in the hope that it will be useful,
	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	# GNU General Public License for more details.
	#
	# You should have received a copy of the GNU General Public License
	# along with this program; if not, write to the Free Software
	# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
	# MA 02110-1301, USA.

	# Please email any bugs, comments, and/or additions to this file to:
	# dejagnu@gnu.org

	# This file was written by Ken Raeburn (raeburn@cygnus.com).

	proc load_common_lib { name } {
	global srcdir
	load_file $srcdir/../../binutils/testsuite/lib/$name
	}

	load_common_lib binutils-common.exp

	proc gas_version {} {
	global AS
	if [is_remote host] then {
	remote_exec host "$AS -version < /dev/null" "" "" "gas.version"
	remote_exec host "which $AS" "" "" "gas.which"

	remote_upload host "gas.version"
	remote_upload host "gas.which"

	set which_as [file_contents "gas.which"]
	set tmp [file_contents "gas.version"]

	remote_file build delete "gas.version"
	remote_file build delete "gas.which"
	remote_file host delete "gas.version"
	remote_file host delete "gas.which"
	} else {
	set which_as [which $AS]
	catch "exec $AS -version < /dev/null" tmp
	}

	# Should find a way to discard constant parts, keep whatever's
	# left, so the version string could be almost anything at all...
	regexp "\[^\n\]* (cygnus-\|)(\[-0-9.a-zA-Z-\]+)\[\r\n\].*" $tmp version cyg number
	if ![info exists number] then {
	return "$which_as (no version number)\n"
	}
	clone_output "$which_as $number\n"
	unset version
	}

	proc gas_host_run { cmd redir } {
	verbose "Executing $cmd $redir"
	set return_contents_of ""
	if [regexp ">& */dev/null" $redir] then {
	set output_file ""
	set command "$cmd $redir"
	} elseif [regexp "> */dev/null" $redir] then {
	set output_file ""
	set command "$cmd 2>gas.stderr"
	set return_contents_of "gas.stderr"
	} elseif [regexp ">&.*" $redir] then {
	# See PR 5322 for why the following line is used.
	regsub ">&" $redir "" output_file
	set command "$cmd 2>&1"
	} elseif [regexp "2>.*" $redir] then {
	set output_file "gas.out"
	set command "$cmd $redir"
	set return_contents_of "gas.out"
	} elseif [regexp ">.*" $redir] then {
	set output_file ""
	set command "$cmd $redir 2>gas.stderr"
	set return_contents_of "gas.stderr"
	} elseif { "$redir" == "" } then {
	set output_file "gas.out"
	set command "$cmd 2>&1"
	set return_contents_of "gas.out"
	} else {
	fail "gas_host_run: unknown form of redirection string"
	}

	set status [remote_exec host [concat sh -c [list $command]] "" "/dev/null" "$output_file"]
	set to_return ""
	if { "$return_contents_of" != "" } then {
	remote_upload host "$return_contents_of"
	set to_return [file_contents "$return_contents_of"]
	regsub "\n$" $to_return "" to_return
	}

	if { [lindex $status 0] == 0 && "$output_file" != ""
	&& "$output_file" != "$return_contents_of" } then {
	remote_upload host "$output_file"
	}

	return [list [lindex $status 0] "$to_return"]
	}

	proc gas_run { prog as_opts redir } {
	global AS
	global ASFLAGS
	global comp_output
	global srcdir
	global subdir
	global host_triplet

	set status [gas_host_run "$AS $ASFLAGS $as_opts $srcdir/$subdir/$prog" "$redir"]
	set comp_output [lindex $status 1]
	if { [lindex $status 0] != 0 && [regexp "2>.*" $redir] } then {
	append comp_output "child process exited abnormally"
	}
	set comp_output [prune_warnings $comp_output]
	verbose "output was $comp_output"
	return [list $comp_output ""]
	}

	proc gas_run_stdin { prog as_opts redir } {
	global AS
	global ASFLAGS
	global comp_output
	global srcdir
	global subdir
	global host_triplet

	set status [gas_host_run "$AS $ASFLAGS $as_opts < $srcdir/$subdir/$prog" "$redir"]
	set comp_output [lindex $status 1]
	if { [lindex $status 0] != 0 && [regexp "2>.*" $redir] } then {
	append comp_output "child process exited abnormally"
	}
	set comp_output [prune_warnings $comp_output]
	verbose "output was $comp_output"
	return [list $comp_output ""]
	}

	proc all_ones { args } {
	foreach x $args { if [expr $x!=1] { return 0 } }
	return 1
	}

	# ${tool}_finish (gas_finish) will be called by runtest.exp. But
	# gas_finish should only be used with gas_start. We use gas_started
	# to tell gas_finish if gas_start has been called so that runtest.exp
	# can call gas_finish without closing the wrong fd.
	set gas_started 0

	proc gas_start { prog as_opts } {
	global AS
	global ASFLAGS
	global srcdir
	global subdir
	global spawn_id
	global gas_started

	set gas_started 1

	verbose -log "Starting $AS $ASFLAGS $as_opts $prog" 2
	set status [gas_host_run "$AS $ASFLAGS $as_opts $srcdir/$subdir/$prog" ">&gas.out"]
	spawn -noecho -nottycopy cat gas.out
	}

	proc gas_finish { } {
	global spawn_id
	global gas_started

	if { $gas_started == 1 } {
	catch "close"
	catch "wait"
	set gas_started 0
	}
	}

	proc want_no_output { testname } {
	global comp_output

	if ![string match "" $comp_output] then {
	send_log "$comp_output\n"
	verbose "$comp_output" 3
	}
	if [string match "" $comp_output] then {
	pass "$testname"
	return 1
	} else {
	fail "$testname"
	return 0
	}
	}

	proc gas_test_old { file as_opts testname } {
	gas_run $file $as_opts ""
	return [want_no_output $testname]
	}

	proc gas_test { file as_opts var_opts testname } {
	global comp_output

	set i 0
	foreach word $var_opts {
	set ignore_stdout($i) [string match "*>" $word]
	set opt($i) [string trim $word {>}]
	incr i
	}
	set max [expr 1<<$i]
	for {set i 0} {[expr $i<$max]} {incr i} {
	set maybe_ignore_stdout ""
	set extra_opts ""
	for {set bit 0} {(1<<$bit)<$max} {incr bit} {
	set num [expr 1<<$bit]
	if [expr $i&$num] then {
	set extra_opts "$extra_opts $opt($bit)"
	if $ignore_stdout($bit) then {
	set maybe_ignore_stdout ">/dev/null"
	}
	}
	}
	set extra_opts [string trim $extra_opts]
	gas_run $file "$as_opts $extra_opts" $maybe_ignore_stdout

	# Should I be able to use a conditional expression here?
	if [string match "" $extra_opts] then {
	want_no_output $testname
	} else {
	want_no_output "$testname ($extra_opts)"
	}
	}
	if [info exists errorInfo] then {
	unset errorInfo
	}
	}

	proc gas_test_ignore_stdout { file as_opts testname } {
	global comp_output

	gas_run $file $as_opts ">/dev/null"
	want_no_output $testname
	}

	proc gas_test_error { file as_opts testname } {
	global comp_output

	gas_run $file $as_opts ">/dev/null"
	send_log "$comp_output\n"
	verbose "$comp_output" 3
	if { ![string match "" $comp_output]
	&& ![string match "Assertion failure" $comp_output]
	&& ![string match "Internal error" $comp_output] } then {
	pass "$testname"
	} else {
	fail "$testname"
	}
	}

	proc gas_exit {} {}

	proc gas_init { args } {
	global target_cpu
	global target_cpu_family
	global target_family
	global target_vendor
	global target_os
	global stdoptlist

	switch -glob "$target_cpu" {
	"m68???" { set target_cpu_family m68k }
	"i[3-7]86" { set target_cpu_family i386 }
	default { set target_cpu_family $target_cpu }
	}

	set target_family "$target_cpu_family-$target_vendor-$target_os"
	set stdoptlist "-a>"

	if ![istarget "--*"] {
	perror "Target name [istarget] is not a triple."
	}
	# Need to return an empty string.
	return
	}

	# run_dump_tests TESTCASES EXTRA_OPTIONS
	# Wrapper for run_dump_test, which is suitable for invoking as
	# run_dump_tests [lsort [glob -nocomplain $srcdir/$subdir/*.d]]
	# EXTRA_OPTIONS are passed down to run_dump_test. Honors runtest_file_p.
	# Body cribbed from dg-runtest.

	proc run_dump_tests { testcases {extra_options {}} } {
	global runtests

	foreach testcase $testcases {
	# If testing specific files and this isn't one of them, skip it.
	if ![runtest_file_p $runtests $testcase] {
	continue
	}
	run_dump_test [file rootname [file tail $testcase]] $extra_options
	}
	}

	proc objdump { opts } {
	global OBJDUMP
	global comp_output
	global host_triplet

	set status [gas_host_run "$OBJDUMP $opts" ""]
	set comp_output [prune_warnings [lindex $status 1]]
	verbose "objdump output=$comp_output\n" 3
	}

	proc objdump_start_no_subdir { prog opts } {
	global OBJDUMP
	global srcdir
	global spawn_id

	verbose "Starting $OBJDUMP $opts $prog" 2
	set status [gas_host_run "$OBJDUMP $opts $prog" ">&gas.out"]
	spawn -noecho -nottycopy cat gas.out
	}

	proc objdump_finish { } {
	global spawn_id

	catch "close"
	catch "wait"
	}

	# Default timeout is 10 seconds, loses on a slow machine. But some
	# configurations of dejagnu may override it.
	if {$timeout<120} then { set timeout 120 }

	expect_after -i {
	timeout { perror "timeout" }
	"virtual memory exhausted" { perror "virtual memory exhausted" }
	buffer_full { perror "buffer full" }
	eof { perror "eof" }
	}

	proc file_contents { filename } {
	set file [open $filename r]
	set contents [read $file]
	close $file
	return $contents
	}

	proc write_file { filename contents } {
	set file [open $filename w]
	puts $file "$contents"
	close $file
	}

	proc verbose_eval { expr { level 1 } } {
	global verbose
	if $verbose>$level then { eval verbose "$expr" $level }
	}

	# This definition is taken from an unreleased version of DejaGnu. Once
	# that version gets released, and has been out in the world for a few
	# months at least, it may be safe to delete this copy.
	if ![string length [info proc prune_warnings]] {
	#
	# prune_warnings -- delete various system verbosities from TEXT.
	#
	# An example is:
	# ld.so: warning: /usr/lib/libc.so.1.8.1 has older revision than expected 9
	#
	# Sites with particular verbose os's may wish to override this in site.exp.
	#
	proc prune_warnings { text } {
	# This is from sun4's. Do it for all machines for now.
	# The "\\1" is to try to preserve a "\n" but only if necessary.
	regsub -all "(^\|\n)(ld.so: warning:\[^\n\]*\n?)+" $text "\\1" text

	# It might be tempting to get carried away and delete blank lines, etc.
	# Just delete exactly what we're ask to, and that's it.
	return $text
	}
	}

	# run_list_test NAME (optional): OPTS TESTNAME
	#
	# Assemble the file "NAME.s" with command line options OPTS and
	# compare the assembler standard error output against the regular
	# expressions given in the file "NAME.l". If TESTNAME is provided,
	# it will be used as the name of the test.

	proc run_list_test { name {opts {}} {testname {}} } {
	global srcdir subdir
	if { [string length $testname] == 0 } then {
	set testname "[file tail $subdir] $name"
	}
	set file $srcdir/$subdir/$name
	gas_run ${name}.s $opts ">&dump.out"
	if { [regexp_diff "dump.out" "${file}.l"] } then {
	fail $testname
	verbose "output is [file_contents "dump.out"]" 2
	return
	}
	pass $testname
	}

	# run_list_test_stdin NAME (optional): OPTS TESTNAME
	#
	# Similar to run_list_test, but use stdin as input.

	proc run_list_test_stdin { name {opts {}} {testname {}} } {
	global srcdir subdir
	if { [string length $testname] == 0 } then {
	set testname "[file tail $subdir] $name"
	}
	set file $srcdir/$subdir/$name
	gas_run_stdin ${name}.s $opts ">&dump.out"
	if { [regexp_diff "dump.out" "${file}.l"] } then {
	fail $testname
	verbose "output is [file_contents "dump.out"]" 2
	return
	}
	pass $testname
	}