gcc/testsuite/lib/gm2-torture.exp - gcc.git - Git at Google

 # Copyright (C) 2003-2025 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 GCC; see the file COPYING3.  If not see
 # <http://www.gnu.org/licenses/>.

 # This file was written by Rob Savoye. (rob@cygnus.com)
 # and modified by Gaius Mulley (gaius.mulley@southwales.ac.uk)
 # for GNU Modula-2

 load_lib file-format.exp
 load_lib target-libpath.exp
 load_lib timeout.exp

 # The default option list can be overridden by
 # TORTURE_OPTIONS="{ { list1 } ... { listN } }"

 if ![info exists TORTURE_OPTIONS] {
     # It is theoretically beneficial to group all of the O2/O3 options together,
     # as in many cases the compiler will generate identical executables for
     # all of them--and the c-torture testsuite will skip testing identical
     # executables multiple times.
     # Also note that -finline-functions is explicitly included in one of the
     # items below, even though -O3 is also specified, because some ports may
     # choose to disable inlining functions by default, even when optimizing.
     set TORTURE_OPTIONS [list \
 			     { -g } \
                              { -O } \
 			     { -O -g } \
 			     { -Os } \
 			     { -O3 -fomit-frame-pointer } \
 			     { -O3 -fomit-frame-pointer -finline-functions } ]
 }


 #
 #  very costly options follow
 #
 #     set TORTURE_OPTIONS [list \
 \#			     { -g } \
 \#                             { -O } \
 \#			     { -O -g } \
 \#			     { -Os } \
 \#			     { -Os -g } \
 \#			     { -O0 } \
 \#			     { -O0 -g } \
 \#			     { -O1 } \
 \#			     { -O1 -g } \
 \#			     { -O2 } \
 \#			     { -O2 -g } \
 \#			     { -O3 } \
 \#			     { -O3 -g } \
 \#			     { -O3 -fomit-frame-pointer } \
 \#			     { -O3 -fomit-frame-pointer -finline-functions } ]
 #
 #
 #


 #
 # gm2-torture-compile -- runs the gm2-torture test
 #
 # SRC is the full pathname of the testcase.
 # OPTION is the specific compiler flag we're testing (eg: -O2).
 #
 proc gm2-torture-compile { src option } {
     global output;
     global srcdir tmpdir;
     global host_triplet;

     set output "$tmpdir/[file tail [file rootname $src]].o"

     regsub "^$srcdir/?" $src "" testcase
     # If we couldn't rip $srcdir out of `src' then just do the best we can.
     # The point is to reduce the unnecessary noise in the logs.  Don't strip
     # out too much because different testcases with the same name can confuse
     # `test-tool'.
     if [string match "/*" $testcase] {
 	set testcase "[file tail [file dirname $src]]/[file tail $src]"
     }

     # puts stderr "gm2-torture-compiler src = $src, option = $option\n"

     # Run the compiler and analyze the results.
     set options ""
     lappend options "additional_flags=${option}"

     set comp_output [gm2_target_compile "$src" "$output" object $options];
     # puts stderr "*** gm2 torture compile: $comp_output ${options} "
     gm2_check_compile $testcase "$option" $output $comp_output
     remote_file build delete $output
     verbose "$comp_output" 1
 }


 #
 # gm2_check_compile_fail -- Reports and returns pass/fail for a compilation
 #

 proc gm2_check_compile_fail {testcase option objname gcc_output} {
     global tool;
     set fatal_signal "*nternal compiler error: program*got fatal signal"

     if [string match "$fatal_signal 6" $gcc_output] then {
 	${tool}_fail $testcase "Got Signal 6, $option"
 	return 0
     }

     if [string match "$fatal_signal 11" $gcc_output] then {
 	${tool}_fail $testcase "Got Signal 11, $option"
 	return 0
     }

 #    # We shouldn't get these because of -w, but just in case.
 #   if [string match "*cc:*warning:*" $gcc_output] then {
 #	warning "$testcase: (with warnings) $option"
 #	send_log "$gcc_output\n"
 #	unresolved "$testcase, $option"
 #	return 0
 #    }

     set gcc_output [prune_warnings $gcc_output]

     set unsupported_message [${tool}_check_unsupported_p $gcc_output]
     if { $unsupported_message != "" } {
 	unsupported "$testcase: $unsupported_message"
 	return 0
     }

     # remove any leftover LF/CR to make sure any output is legit
     regsub -all -- "\[\r\n\]*" $gcc_output "" gcc_output

     # check for any internal error
     if { [string match "*internal error*" $gcc_output] ||
 	 [string match "*internal compiler error*" $gcc_output] } then {
 	puts stderr "ICE: "
 	${tool}_fail $testcase $option
 	return 0
     }

     # If any message remains, we pass, as it will be the error message
     if ![string match "" $gcc_output] then {
 	${tool}_pass $testcase $option
 	return 1
     }

     # a clean compilation means this test has failed
     ${tool}_fail $testcase $option
     return 1
 }

 #
 # gm2-torture-compile-fail -- runs the gm2-torture test
 #
 # SRC is the full pathname of the testcase.
 # OPTION is the specific compiler flag we're testing (eg: -O2).
 #
 proc gm2-torture-compile-fail { src option } {
     global output;
     global srcdir tmpdir;
     global host_triplet;

     # puts stderr "gm2-torture-compile-fail:  ${option}\n"
     set output "$tmpdir/[file tail [file rootname $src]].o"

     regsub "^$srcdir/?" $src "" testcase
     # If we couldn't rip $srcdir out of `src' then just do the best we can.
     # The point is to reduce the unnecessary noise in the logs.  Don't strip
     # out too much because different testcases with the same name can confuse
     # `test-tool'.
     if [string match "/*" $testcase] {
 	set testcase "[file tail [file dirname $src]]/[file tail $src]"
     }

     verbose "Testing expected failure $testcase, $option" 1

     # Run the compiler and analyze the results.
     set options ""
     set additional_flags ""
     lappend options "additional_flags=$option"  # do not use -w for gm2
     if { $additional_flags != "" } {
 	lappend options "additional_flags=$additional_flags"
     }

     set comp_output [gm2_target_compile "$src" "$output" object $options];
     gm2_check_compile_fail $testcase $option $output $comp_output
     remote_file build delete $output
     verbose "$comp_output" 1
 }

 #
 # gm2-torture-execute -- utility to compile and execute a testcase
 #
 # SOURCES is a list of full pathnames to the test source files.
 # The first filename in this list forms the "testcase".
 #
 # If the testcase has an associated .x file, we source that to run the
 # test instead.  We use .x so that we don't lengthen the existing filename
 # to more than 14 chars.
 #
 proc gm2-torture-execute { sources args success } {
     global tmpdir tool srcdir output compiler_conditional_xfail_data;
     global TORTURE_OPTIONS;
     global gm2_link_libraries;
     global gm2_link_objects;
     global gm2_link_path;

     # Use the first source filename given as the filename under test.
     set src [lindex $sources 0];

     if { [llength $args] > 0 } {
 	set additional_flags [lindex $args 0];
     } else {
 	set additional_flags "";
     }
     # Check for alternate driver.
     if [file exists [file rootname $src].x] {
 	verbose "Using alternate driver [file rootname [file tail $src]].x" 2
 	set done_p 0;
 	catch "set done_p \[source [file rootname $src].x\]"
 	if { $done_p } {
 	    return
 	}
     }

     set executable $tmpdir/[file tail [file rootname $src].x];
     set objectfile $tmpdir/[file tail [file rootname $src].o];

     regsub "^$srcdir/?" $src "" testcase
     # If we couldn't rip $srcdir out of `src' then just do the best we can.
     # The point is to reduce the unnecessary noise in the logs.  Don't strip
     # out too much because different testcases with the same name can confuse
     # `test-tool'.
     if [string match "/*" $testcase] {
 	set testcase "[file tail [file dirname $src]]/[file tail $src]"
     }

     set option_list $TORTURE_OPTIONS;

     set count 0;
     set oldstatus "foo";
     foreach option $option_list {
 	if { $count > 0 } {
 	    set oldexec $execname;
 	}
 	set execname "${executable}${count}";
 	incr count;

 	# torture_{compile,execute}_xfail are set by the .x script
 	# (if present)
 	if [info exists torture_compile_xfail] {
 	    setup_xfail $torture_compile_xfail
 	}

 	# torture_execute_before_{compile,execute} can be set by the .x script
 	# (if present)
 	if [info exists torture_eval_before_compile] {
             set ignore_me [eval $torture_eval_before_compile]
 	}

 	remote_file build delete $execname;
 	verbose "Testing $testcase, $option" 1

 	set options ""
 	lappend options "additional_flags=$option"
 	lappend options "timeout=[timeout_value]"
 	if { $additional_flags != "" } {
 	    lappend options "additional_flags=$additional_flags"
 	}
 	set comp_output [gm2_target_compile "$sources" "${objectfile}" object "$options"];

 	# puts stderr "torture gm2 case: $comp_output ${options} "

 	if ![gm2_check_compile "$testcase compilation" ${options} $objectfile $comp_output] {
 	    unresolved "$testcase execution, ${options}"
 	    send_log "compile failed not attempting link\n"
 	    remote_file build delete $objectfile
 	    continue
 	}

 	send_log "finished compile now attempting link\n"
 	# now link the test
 	set options ${option};

 	lappend options "timeout=[timeout_value]"
 	if { [llength ${args}] > 0 } {
 	    lappend options "additional_flags=[lindex ${args} 0]"
 	}

 	lappend options " additional_flags=${gm2_link_path}"

 	if {$gm2_link_path != ""} {
 	    lappend options " ldflags=$gm2_link_path"
 	}

 	if {$gm2_link_libraries != ""} {
 	    lappend options " ldflags=$gm2_link_libraries"
 	}

 #	lappend options "ldflags=/home/gaius/GM2/graft-combine/build-devel-modula2-enabled/x86_64-pc-linux-gnu/libgm2/libm2pim/.libs/libm2pim.a"
 #	lappend options "ldflags=/home/gaius/GM2/graft-combine/build-devel-modula2-enabled/x86_64-pc-linux-gnu/libgm2/libm2iso/.libs/libm2iso.a"
 #	lappend options "ldflags=-lm2pim -lm2iso"
 #
 	if {$gm2_link_objects != ""} {
 	    lappend options " additional_flags=${gm2_link_objects}"
 	}
 	if {$gm2_link_path != ""} {
 	    lappend options " additional_flags=${gm2_link_path}"
 	}

 	# lappend options " additional_flags=${gm2_link_objects}"
 	# lappend options " additional_flags=${gm2_link_path}"
 	# lappend options " additional_flags=${gm2_link_libraries}"
 	set options [concat "{additional_flags=$gm2_link_path} " $options]
 	set options [concat "{additional_flags=-fno-libs=-} " $options]
 	set options [concat "{additional_flags=$gm2_link_objects} " $options]
 	# set options [concat "{additional_flags=$gm2_link_libraries} " $options]

 	send_log "gm2_link_path = $gm2_link_path\n"
 	send_log "attempting link\n"
 	set comp_output [gm2_target_compile "${sources}" "${execname}" executable ${options}];
 	# puts "Link libraries are: ${gm2_link_libraries}"
 	# puts "Link path is      : ${gm2_link_path}"

 	if ![gm2_check_compile "${testcase} compilation" ${option} ${execname} ${comp_output}] {
 	    send_log "unsuccessful link\n"
 	    unresolved "${testcase} execution, ${option} (link failed)"
             verbose "tried to link ${testcase} ${sources} ${execname} executable ${options}" 1
 	    verbose "Link libraries are: ${gm2_link_libraries}" 1
 	    verbose "Link path is      : ${gm2_link_path}" 1
 	    verbose "$comp_output" 1
 	    lappend options "additional_flags=-fsources"
 	    lappend options "additional_flags=-v"
 	    verbose "******  s t a r t *********" 1
 	    set comp_output [gm2_target_compile "$sources" "${objectfile}" object ${options}];
 	    verbose "$comp_output" 1
 	    set comp_output [gm2_target_compile "${sources}" "${execname}" executable ${options}];
 	    verbose "$comp_output" 1
 	    verbose "******    e n d   *********" 1
 	    remote_file build delete $execname
 	    remote_file build delete $objectfile
 	    continue
 	}

 	send_log "successful link\n"
 	# See if this source file uses "long long" types, if it does, and
 	# no_long_long is set, skip execution of the test.
 	if [target_info exists no_long_long] then {
 	    if [expr [search_for $src "long long"]] then {
 		unsupported "$testcase execution, $option"
 		continue
 	    }
 	}

 	if [info exists torture_execute_xfail] {
 	    setup_xfail $torture_execute_xfail
 	}

 	if [info exists torture_eval_before_execute] {
             set ignore_me [eval $torture_eval_before_execute]
 	}

 	# Sometimes we end up creating identical executables for two
 	# consecutive sets of different of compiler options.
 	#
 	# In such cases we know the result of this test will be identical
 	# to the result of the last test.
 	#
 	# So in cases where the time to load and run/simulate the test
 	# is relatively high, compare the two binaries and avoid rerunning
 	# tests if the executables are identical.
 	#
 	# Do not do this for native testing since the cost to load/execute
 	# the test is fairly small and the comparison step actually slows
 	# the entire process down because it usually does not "hit".
 	set skip 0;
 	if { ![isnative] && [info exists oldexec] } {
 	    if { [remote_file build cmp $oldexec $execname] == 0 } {
 		set skip 1;
 	    }
 	}
 	if { $skip == 0 } {
 	    set result [gm2_load "$execname" "" ""]
 	    set status [lindex $result 0];
 	    set output [lindex $result 1];
 	    if { $success == "fail" } {
 		# invert the result
 		if { $status == "pass" } {
 		    set status "fail"
 		} else {
 		    set status "pass"
 		}
 	    }
 	    send_log "executed $execname with result $status"
 	}
         if { $oldstatus == "pass" } {
 	    remote_file build delete $oldexec;
         }
 	$status "$testcase execution, $option"
 	set oldstatus $status;
     }
     if [info exists status] {
 	if { $status == "pass" } {
 	    remote_file build delete $execname;
 	    remote_file build delete $objectfile;
 	}
     }
 }

 #
 # search_for -- looks for a string match in a file
 #
 proc search_for { file pattern } {
     set fd [open $file r]
     while { [gets $fd cur_line]>=0 } {
 	if [string match "*$pattern*" $cur_line] then {
 	    close $fd
 	    return 1
 	}
     }
     close $fd
     return 0
 }

 #
 # gm2-torture -- the gm2-torture testcase source file processor
 #
 # This runs compilation only tests (no execute tests).
 # SRC is the full pathname of the testcase, or just a file name in which case
 # we prepend $srcdir/$subdir.
 #
 # If the testcase has an associated .x file, we source that to run the
 # test instead.  We use .x so that we don't lengthen the existing filename
 # to more than 14 chars.
 #
 proc gm2-torture { args } {
     global srcdir subdir compiler_conditional_xfail_data TORTURE_OPTIONS;

     set src [lindex $args 0];
     if { [llength $args] > 1 } {
 	set options [lindex $args 1];
     } else {
 	set options ""
     }

     # Prepend $srdir/$subdir if missing.
     if ![string match "*/*" $src] {
 	set src "$srcdir/$subdir/$src"
     }

     # Check for alternate driver.
     if [file exists [file rootname $src].x] {
 	verbose "Using alternate driver [file rootname [file tail $src]].x" 2
 	set done_p 0
 	catch "set done_p \[source [file rootname $src].x\]"
 	if { $done_p } {
 	    return
 	}
     }

     set option_list $TORTURE_OPTIONS

     # loop through all the options
     foreach option $option_list {
 	# torture_compile_xfail is set by the .x script (if present)
 	if [info exists torture_compile_xfail] {
 	    setup_xfail $torture_compile_xfail
 	}

 	# torture_execute_before_compile is set by the .x script (if present)
 	if [info exists torture_eval_before_compile] {
             set ignore_me [eval $torture_eval_before_compile]
 	}

 	gm2-torture-compile $src "$option $options"
     }
 }

 #
 # gm2-torture -- the gm2-torture testcase source file processor
 #
 # This runs compilation only tests (no execute tests).
 # SRC is the full pathname of the testcase, or just a file name in which case
 # we prepend $srcdir/$subdir.
 #
 # If the testcase has an associated .x file, we source that to run the
 # test instead.  We use .x so that we don't lengthen the existing filename
 # to more than 14 chars.
 #
 proc gm2-torture-fail { args } {
     global srcdir subdir compiler_conditional_xfail_data TORTURE_OPTIONS;

     set src [lindex $args 0];
     if { [llength $args] > 1 } {
 	set options [lindex $args 1];
     } else {
 	set options ""
     }

     # Prepend $srdir/$subdir if missing.
     if ![string match "*/*" $src] {
 	set src "$srcdir/$subdir/$src"
     }

     # Check for alternate driver.
     if [file exists [file rootname $src].x] {
 	verbose "Using alternate driver [file rootname [file tail $src]].x" 2
 	set done_p 0
 	catch "set done_p \[source [file rootname $src].x\]"
 	if { $done_p } {
 	    return
 	}
     }

     set option_list $TORTURE_OPTIONS

     # loop through all the options
     foreach option $option_list {
 	# torture_compile_xfail is set by the .x script (if present)
 	if [info exists torture_compile_xfail] {
 	    setup_xfail $torture_compile_xfail
 	}

 	# torture_execute_before_compile is set by the .x script (if present)
 	if [info exists torture_eval_before_compile] {
             set ignore_me [eval $torture_eval_before_compile]
 	}

 	gm2-torture-compile-fail $src "$option $options"
     }
 }
	# Copyright (C) 2003-2025 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 GCC; see the file COPYING3. If not see
	# <http://www.gnu.org/licenses/>.

	# This file was written by Rob Savoye. (rob@cygnus.com)
	# and modified by Gaius Mulley (gaius.mulley@southwales.ac.uk)
	# for GNU Modula-2

	load_lib file-format.exp
	load_lib target-libpath.exp
	load_lib timeout.exp

	# The default option list can be overridden by
	# TORTURE_OPTIONS="{ { list1 } ... { listN } }"

	if ![info exists TORTURE_OPTIONS] {
	# It is theoretically beneficial to group all of the O2/O3 options together,
	# as in many cases the compiler will generate identical executables for
	# all of them--and the c-torture testsuite will skip testing identical
	# executables multiple times.
	# Also note that -finline-functions is explicitly included in one of the
	# items below, even though -O3 is also specified, because some ports may
	# choose to disable inlining functions by default, even when optimizing.
	set TORTURE_OPTIONS [list \
	{ -g } \
	{ -O } \
	{ -O -g } \
	{ -Os } \
	{ -O3 -fomit-frame-pointer } \
	{ -O3 -fomit-frame-pointer -finline-functions } ]
	}


	#
	# very costly options follow
	#
	# set TORTURE_OPTIONS [list \
	\# { -g } \
	\# { -O } \
	\# { -O -g } \
	\# { -Os } \
	\# { -Os -g } \
	\# { -O0 } \
	\# { -O0 -g } \
	\# { -O1 } \
	\# { -O1 -g } \
	\# { -O2 } \
	\# { -O2 -g } \
	\# { -O3 } \
	\# { -O3 -g } \
	\# { -O3 -fomit-frame-pointer } \
	\# { -O3 -fomit-frame-pointer -finline-functions } ]
	#
	#
	#



	#
	# gm2-torture-compile -- runs the gm2-torture test
	#
	# SRC is the full pathname of the testcase.
	# OPTION is the specific compiler flag we're testing (eg: -O2).
	#
	proc gm2-torture-compile { src option } {
	global output;
	global srcdir tmpdir;
	global host_triplet;

	set output "$tmpdir/[file tail [file rootname $src]].o"

	regsub "^$srcdir/?" $src "" testcase
	# If we couldn't rip $srcdir out of `src' then just do the best we can.
	# The point is to reduce the unnecessary noise in the logs. Don't strip
	# out too much because different testcases with the same name can confuse
	# `test-tool'.
	if [string match "/*" $testcase] {
	set testcase "[file tail [file dirname $src]]/[file tail $src]"
	}

	# puts stderr "gm2-torture-compiler src = $src, option = $option\n"

	# Run the compiler and analyze the results.
	set options ""
	lappend options "additional_flags=${option}"

	set comp_output [gm2_target_compile "$src" "$output" object $options];
	# puts stderr "*** gm2 torture compile: $comp_output ${options} "
	gm2_check_compile $testcase "$option" $output $comp_output
	remote_file build delete $output
	verbose "$comp_output" 1
	}


	#
	# gm2_check_compile_fail -- Reports and returns pass/fail for a compilation
	#

	proc gm2_check_compile_fail {testcase option objname gcc_output} {
	global tool;
	set fatal_signal "nternal compiler error: programgot fatal signal"

	if [string match "$fatal_signal 6" $gcc_output] then {
	${tool}_fail $testcase "Got Signal 6, $option"
	return 0
	}

	if [string match "$fatal_signal 11" $gcc_output] then {
	${tool}_fail $testcase "Got Signal 11, $option"
	return 0
	}

	# # We shouldn't get these because of -w, but just in case.
	# if [string match "cc:warning:*" $gcc_output] then {
	# warning "$testcase: (with warnings) $option"
	# send_log "$gcc_output\n"
	# unresolved "$testcase, $option"
	# return 0
	# }

	set gcc_output [prune_warnings $gcc_output]

	set unsupported_message [${tool}_check_unsupported_p $gcc_output]
	if { $unsupported_message != "" } {
	unsupported "$testcase: $unsupported_message"
	return 0
	}

	# remove any leftover LF/CR to make sure any output is legit
	regsub -all -- "\[\r\n\]*" $gcc_output "" gcc_output

	# check for any internal error
	if { [string match "internal error" $gcc_output] \|\|
	[string match "internal compiler error" $gcc_output] } then {
	puts stderr "ICE: "
	${tool}_fail $testcase $option
	return 0
	}

	# If any message remains, we pass, as it will be the error message
	if ![string match "" $gcc_output] then {
	${tool}_pass $testcase $option
	return 1
	}

	# a clean compilation means this test has failed
	${tool}_fail $testcase $option
	return 1
	}

	#
	# gm2-torture-compile-fail -- runs the gm2-torture test
	#
	# SRC is the full pathname of the testcase.
	# OPTION is the specific compiler flag we're testing (eg: -O2).
	#
	proc gm2-torture-compile-fail { src option } {
	global output;
	global srcdir tmpdir;
	global host_triplet;

	# puts stderr "gm2-torture-compile-fail: ${option}\n"
	set output "$tmpdir/[file tail [file rootname $src]].o"

	regsub "^$srcdir/?" $src "" testcase
	# If we couldn't rip $srcdir out of `src' then just do the best we can.
	# The point is to reduce the unnecessary noise in the logs. Don't strip
	# out too much because different testcases with the same name can confuse
	# `test-tool'.
	if [string match "/*" $testcase] {
	set testcase "[file tail [file dirname $src]]/[file tail $src]"
	}

	verbose "Testing expected failure $testcase, $option" 1

	# Run the compiler and analyze the results.
	set options ""
	set additional_flags ""
	lappend options "additional_flags=$option" # do not use -w for gm2
	if { $additional_flags != "" } {
	lappend options "additional_flags=$additional_flags"
	}

	set comp_output [gm2_target_compile "$src" "$output" object $options];
	gm2_check_compile_fail $testcase $option $output $comp_output
	remote_file build delete $output
	verbose "$comp_output" 1
	}

	#
	# gm2-torture-execute -- utility to compile and execute a testcase
	#
	# SOURCES is a list of full pathnames to the test source files.
	# The first filename in this list forms the "testcase".
	#
	# If the testcase has an associated .x file, we source that to run the
	# test instead. We use .x so that we don't lengthen the existing filename
	# to more than 14 chars.
	#
	proc gm2-torture-execute { sources args success } {
	global tmpdir tool srcdir output compiler_conditional_xfail_data;
	global TORTURE_OPTIONS;
	global gm2_link_libraries;
	global gm2_link_objects;
	global gm2_link_path;

	# Use the first source filename given as the filename under test.
	set src [lindex $sources 0];

	if { [llength $args] > 0 } {
	set additional_flags [lindex $args 0];
	} else {
	set additional_flags "";
	}
	# Check for alternate driver.
	if [file exists [file rootname $src].x] {
	verbose "Using alternate driver [file rootname [file tail $src]].x" 2
	set done_p 0;
	catch "set done_p \[source [file rootname $src].x\]"
	if { $done_p } {
	return
	}
	}

	set executable $tmpdir/[file tail [file rootname $src].x];
	set objectfile $tmpdir/[file tail [file rootname $src].o];

	regsub "^$srcdir/?" $src "" testcase
	# If we couldn't rip $srcdir out of `src' then just do the best we can.
	# The point is to reduce the unnecessary noise in the logs. Don't strip
	# out too much because different testcases with the same name can confuse
	# `test-tool'.
	if [string match "/*" $testcase] {
	set testcase "[file tail [file dirname $src]]/[file tail $src]"
	}

	set option_list $TORTURE_OPTIONS;

	set count 0;
	set oldstatus "foo";
	foreach option $option_list {
	if { $count > 0 } {
	set oldexec $execname;
	}
	set execname "${executable}${count}";
	incr count;

	# torture_{compile,execute}_xfail are set by the .x script
	# (if present)
	if [info exists torture_compile_xfail] {
	setup_xfail $torture_compile_xfail
	}

	# torture_execute_before_{compile,execute} can be set by the .x script
	# (if present)
	if [info exists torture_eval_before_compile] {
	set ignore_me [eval $torture_eval_before_compile]
	}

	remote_file build delete $execname;
	verbose "Testing $testcase, $option" 1

	set options ""
	lappend options "additional_flags=$option"
	lappend options "timeout=[timeout_value]"
	if { $additional_flags != "" } {
	lappend options "additional_flags=$additional_flags"
	}
	set comp_output [gm2_target_compile "$sources" "${objectfile}" object "$options"];

	# puts stderr "torture gm2 case: $comp_output ${options} "

	if ![gm2_check_compile "$testcase compilation" ${options} $objectfile $comp_output] {
	unresolved "$testcase execution, ${options}"
	send_log "compile failed not attempting link\n"
	remote_file build delete $objectfile
	continue
	}

	send_log "finished compile now attempting link\n"
	# now link the test
	set options ${option};

	lappend options "timeout=[timeout_value]"
	if { [llength ${args}] > 0 } {
	lappend options "additional_flags=[lindex ${args} 0]"
	}

	lappend options " additional_flags=${gm2_link_path}"

	if {$gm2_link_path != ""} {
	lappend options " ldflags=$gm2_link_path"
	}

	if {$gm2_link_libraries != ""} {
	lappend options " ldflags=$gm2_link_libraries"
	}

	# lappend options "ldflags=/home/gaius/GM2/graft-combine/build-devel-modula2-enabled/x86_64-pc-linux-gnu/libgm2/libm2pim/.libs/libm2pim.a"
	# lappend options "ldflags=/home/gaius/GM2/graft-combine/build-devel-modula2-enabled/x86_64-pc-linux-gnu/libgm2/libm2iso/.libs/libm2iso.a"
	# lappend options "ldflags=-lm2pim -lm2iso"
	#
	if {$gm2_link_objects != ""} {
	lappend options " additional_flags=${gm2_link_objects}"
	}
	if {$gm2_link_path != ""} {
	lappend options " additional_flags=${gm2_link_path}"
	}

	# lappend options " additional_flags=${gm2_link_objects}"
	# lappend options " additional_flags=${gm2_link_path}"
	# lappend options " additional_flags=${gm2_link_libraries}"
	set options [concat "{additional_flags=$gm2_link_path} " $options]
	set options [concat "{additional_flags=-fno-libs=-} " $options]
	set options [concat "{additional_flags=$gm2_link_objects} " $options]
	# set options [concat "{additional_flags=$gm2_link_libraries} " $options]

	send_log "gm2_link_path = $gm2_link_path\n"
	send_log "attempting link\n"
	set comp_output [gm2_target_compile "${sources}" "${execname}" executable ${options}];
	# puts "Link libraries are: ${gm2_link_libraries}"
	# puts "Link path is : ${gm2_link_path}"

	if ![gm2_check_compile "${testcase} compilation" ${option} ${execname} ${comp_output}] {
	send_log "unsuccessful link\n"
	unresolved "${testcase} execution, ${option} (link failed)"
	verbose "tried to link ${testcase} ${sources} ${execname} executable ${options}" 1
	verbose "Link libraries are: ${gm2_link_libraries}" 1
	verbose "Link path is : ${gm2_link_path}" 1
	verbose "$comp_output" 1
	lappend options "additional_flags=-fsources"
	lappend options "additional_flags=-v"
	verbose "**** s t a r t *******" 1
	set comp_output [gm2_target_compile "$sources" "${objectfile}" object ${options}];
	verbose "$comp_output" 1
	set comp_output [gm2_target_compile "${sources}" "${execname}" executable ${options}];
	verbose "$comp_output" 1
	verbose "**** e n d *******" 1
	remote_file build delete $execname
	remote_file build delete $objectfile
	continue
	}

	send_log "successful link\n"
	# See if this source file uses "long long" types, if it does, and
	# no_long_long is set, skip execution of the test.
	if [target_info exists no_long_long] then {
	if [expr [search_for $src "long long"]] then {
	unsupported "$testcase execution, $option"
	continue
	}
	}

	if [info exists torture_execute_xfail] {
	setup_xfail $torture_execute_xfail
	}

	if [info exists torture_eval_before_execute] {
	set ignore_me [eval $torture_eval_before_execute]
	}

	# Sometimes we end up creating identical executables for two
	# consecutive sets of different of compiler options.
	#
	# In such cases we know the result of this test will be identical
	# to the result of the last test.
	#
	# So in cases where the time to load and run/simulate the test
	# is relatively high, compare the two binaries and avoid rerunning
	# tests if the executables are identical.
	#
	# Do not do this for native testing since the cost to load/execute
	# the test is fairly small and the comparison step actually slows
	# the entire process down because it usually does not "hit".
	set skip 0;
	if { ![isnative] && [info exists oldexec] } {
	if { [remote_file build cmp $oldexec $execname] == 0 } {
	set skip 1;
	}
	}
	if { $skip == 0 } {
	set result [gm2_load "$execname" "" ""]
	set status [lindex $result 0];
	set output [lindex $result 1];
	if { $success == "fail" } {
	# invert the result
	if { $status == "pass" } {
	set status "fail"
	} else {
	set status "pass"
	}
	}
	send_log "executed $execname with result $status"
	}
	if { $oldstatus == "pass" } {
	remote_file build delete $oldexec;
	}
	$status "$testcase execution, $option"
	set oldstatus $status;
	}
	if [info exists status] {
	if { $status == "pass" } {
	remote_file build delete $execname;
	remote_file build delete $objectfile;
	}
	}
	}

	#
	# search_for -- looks for a string match in a file
	#
	proc search_for { file pattern } {
	set fd [open $file r]
	while { [gets $fd cur_line]>=0 } {
	if [string match "$pattern" $cur_line] then {
	close $fd
	return 1
	}
	}
	close $fd
	return 0
	}

	#
	# gm2-torture -- the gm2-torture testcase source file processor
	#
	# This runs compilation only tests (no execute tests).
	# SRC is the full pathname of the testcase, or just a file name in which case
	# we prepend $srcdir/$subdir.
	#
	# If the testcase has an associated .x file, we source that to run the
	# test instead. We use .x so that we don't lengthen the existing filename
	# to more than 14 chars.
	#
	proc gm2-torture { args } {
	global srcdir subdir compiler_conditional_xfail_data TORTURE_OPTIONS;

	set src [lindex $args 0];
	if { [llength $args] > 1 } {
	set options [lindex $args 1];
	} else {
	set options ""
	}

	# Prepend $srdir/$subdir if missing.
	if ![string match "/" $src] {
	set src "$srcdir/$subdir/$src"
	}

	# Check for alternate driver.
	if [file exists [file rootname $src].x] {
	verbose "Using alternate driver [file rootname [file tail $src]].x" 2
	set done_p 0
	catch "set done_p \[source [file rootname $src].x\]"
	if { $done_p } {
	return
	}
	}

	set option_list $TORTURE_OPTIONS

	# loop through all the options
	foreach option $option_list {
	# torture_compile_xfail is set by the .x script (if present)
	if [info exists torture_compile_xfail] {
	setup_xfail $torture_compile_xfail
	}

	# torture_execute_before_compile is set by the .x script (if present)
	if [info exists torture_eval_before_compile] {
	set ignore_me [eval $torture_eval_before_compile]
	}

	gm2-torture-compile $src "$option $options"
	}
	}

	#
	# gm2-torture -- the gm2-torture testcase source file processor
	#
	# This runs compilation only tests (no execute tests).
	# SRC is the full pathname of the testcase, or just a file name in which case
	# we prepend $srcdir/$subdir.
	#
	# If the testcase has an associated .x file, we source that to run the
	# test instead. We use .x so that we don't lengthen the existing filename
	# to more than 14 chars.
	#
	proc gm2-torture-fail { args } {
	global srcdir subdir compiler_conditional_xfail_data TORTURE_OPTIONS;

	set src [lindex $args 0];
	if { [llength $args] > 1 } {
	set options [lindex $args 1];
	} else {
	set options ""
	}

	# Prepend $srdir/$subdir if missing.
	if ![string match "/" $src] {
	set src "$srcdir/$subdir/$src"
	}

	# Check for alternate driver.
	if [file exists [file rootname $src].x] {
	verbose "Using alternate driver [file rootname [file tail $src]].x" 2
	set done_p 0
	catch "set done_p \[source [file rootname $src].x\]"
	if { $done_p } {
	return
	}
	}

	set option_list $TORTURE_OPTIONS

	# loop through all the options
	foreach option $option_list {
	# torture_compile_xfail is set by the .x script (if present)
	if [info exists torture_compile_xfail] {
	setup_xfail $torture_compile_xfail
	}

	# torture_execute_before_compile is set by the .x script (if present)
	if [info exists torture_eval_before_compile] {
	set ignore_me [eval $torture_eval_before_compile]
	}

	gm2-torture-compile-fail $src "$option $options"
	}
	}