gcc/testsuite/lib/objc-torture.exp - gcc - Git at Google

 # Copyright (C) 1992-2021 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 GCC; see the file COPYING3.  If not see
 # <http://www.gnu.org/licenses/>.

 # This file was written by Rob Savoye. (rob@cygnus.com)

 load_lib file-format.exp
 load_lib target-supports.exp

 # Make sure that the runtime list is re-evaluated for each multilib.
 proc objc-set-runtime-options { dowhat args } {
     global OBJC_RUNTIME_OPTIONS
     set rtlist [list "-fgnu-runtime" ]
     # At present (4.6), the only NeXT runtime target is Darwin.
     # The previously used approach of testing trivial compiles is not reliable
     # for determining the absence of the NeXT runtime, since a non-Darwin
     # installation can have the objc headers present in the same locations
     # that Darwin uses.  If NeXT is ported to another target, then it should
     # be listed here.
     if [istarget *-*-darwin*] {
       lappend rtlist "-fnext-runtime"
     }
     if [info exists OBJC_RUNTIME_OPTIONS] {
       foreach other $OBJC_RUNTIME_OPTIONS {
 	# Don't do tests twice...
 	if { ( $other == "-fnext-runtime"  || $other == "-fgnu-runtime" ) } {
 	  continue
 	}
 	lappend rtlist $other
       }
     }

     set OBJC_RUNTIME_OPTIONS ""

     foreach type $rtlist {
 	global srcdir subdir target_triplet tmpdir

 	set options "additional_flags=$type"
 	if [info exists args] {
 	    lappend options $args
 	}
 	verbose "options $options"
 	if [info exists dowhat] {
           switch $dowhat {
 	    "compile" {
               # We should check that the generated asm is sensible, so do
               # the equivalent of -c.
 	      set compile_type "object"
 	      set output_file "trivial.o"
 	      set comp_output [objc_target_compile \
 	        "$srcdir/$subdir/trivial.m" "$output_file" "$compile_type" $options]

 	      remote_file build delete $output_file
 	      # If we get any error, then we failed.
 	      if ![string match "" $comp_output] then {
 	        continue;
 	      }
 	    }
 	    "execute" {
 	      set test_obj "trivial.exe"
 	      set comp_output [objc_target_compile \
 	        "$srcdir/$subdir/trivial.m" $test_obj "executable" $options]

 	      # If we get any error, then we failed.
 	      if ![string match "" $comp_output] then {
 	        remote_file build delete $test_obj
 	        continue;
 	      }
 	      set result [objc_load "$tmpdir/$test_obj" "" ""]
 	      set status [lindex $result 0]
 	      set output [lindex $result 1]
 	      remote_file build delete $test_obj
 	      if { $status != "pass" } {
 	        verbose -log "trivial execute failed with $status $output"
 	        continue;
 	      }
 	    }
 	    default {
 	      perror "$dowhat: not a valid objc-torture action"
 	      return ""
 	    }
 	  }
 	} else {
 	  set test_obj "trivial.exe"
 	  set comp_output [objc_target_compile \
 	  "$srcdir/$subdir/trivial.m" $test_obj executable $options]

 	  # If we get any error, then we failed.
 	  remote_file build delete $test_obj
 	  if ![string match "" $comp_output] then {
 	      continue;
 	  }
 	}
 	lappend OBJC_RUNTIME_OPTIONS $type
     }

     verbose -log "Using the following runtimes: $OBJC_RUNTIME_OPTIONS"
 }

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

 if [info exists TORTURE_OPTIONS] {
     set OBJC_TORTURE_OPTIONS $TORTURE_OPTIONS
 } else {
     # 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 objc-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 OBJC_TORTURE_OPTIONS [list \
 	" -O0 " \
 	" -O1 " \
 	" -O2 " \
 	" -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions " \
 	" -O3 -g " \
 	" -Os " ]
 }

 if [info exists ADDITIONAL_TORTURE_OPTIONS] {
     set OBJC_TORTURE_OPTIONS \
 	[concat $OBJC_TORTURE_OPTIONS $ADDITIONAL_TORTURE_OPTIONS]
 }

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

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

     regsub "(?q)$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 $testcase, $option" 1

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

     set comp_output [objc_target_compile "$src" "$output" object $options]
     objc_check_compile $testcase $option $output $comp_output
     remote_file build delete $output
 }

 #
 # objc-torture-execute -- utility to compile and execute a testcase
 #
 # SRC is the full pathname of 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 objc-torture-execute { src args } {
     global tmpdir tool srcdir output compiler_conditional_xfail_data

     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
 	}
     }

     # Look for a loop within the source code - if we don't find one,
     # don't pass -funroll[-all]-loops.
     global torture_with_loops torture_without_loops
     if [expr [search_for $src "for*("]+[search_for $src "while*("]] then {
 	set option_list $torture_with_loops
     } else {
 	set option_list $torture_without_loops
     }

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

     regsub "(?q)$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 count 0
     set oldstatus "foo"
     foreach option $option_list {
 	if { $count > 0 } {
 	    if [info exists oldexec] {
 		remote_file build delete $oldexec
 	    }
 	    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=-w $option"
 	if { $additional_flags != "" } {
 	    lappend options "additional_flags=$additional_flags"
 	}
 	set comp_output [objc_target_compile "$src" "${execname}" executable $options]

 	if ![objc_check_compile "$testcase compilation" $option $execname $comp_output] {
 	    unresolved "$testcase execution, $option"
 	    remote_file build delete $execname
 	    continue
 	}

 	# 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"
 		remote_file build delete $execname
 		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
 		set status $oldstatus
 	    }
 	}
 	if { $skip == 0 } {
 	    set result [objc_load "$execname" "" ""]
 	    set status [lindex $result 0]
 	    set output [lindex $result 1]
 	}
 	$status "$testcase execution, $option"
 	set oldstatus $status
     # for each option
     }
     # tidy up
     if [info exists execname] {
 	remote_file build delete $execname
     }
     if [info exists oldexec] {
 	remote_file build delete $oldexec
     }
 }

 #
 # 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
 }

 #
 # objc-torture -- the objc-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 objc-torture { args } {
     global srcdir subdir compiler_conditional_xfail_data

     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
 	}
     }

     # Look for a loop within the source code - if we don't find one,
     # don't pass -funroll[-all]-loops.
     global torture_with_loops torture_without_loops
     if [expr [search_for $src "for*("]+[search_for $src "while*("]] then {
 	    set option_list $torture_with_loops
     } else {
 	    set option_list $torture_without_loops
     }

     # 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]
 	}

 	objc-torture-compile $src "$option $options"
     }
 }
	# Copyright (C) 1992-2021 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 GCC; see the file COPYING3. If not see
	# <http://www.gnu.org/licenses/>.

	# This file was written by Rob Savoye. (rob@cygnus.com)

	load_lib file-format.exp
	load_lib target-supports.exp

	# Make sure that the runtime list is re-evaluated for each multilib.
	proc objc-set-runtime-options { dowhat args } {
	global OBJC_RUNTIME_OPTIONS
	set rtlist [list "-fgnu-runtime" ]
	# At present (4.6), the only NeXT runtime target is Darwin.
	# The previously used approach of testing trivial compiles is not reliable
	# for determining the absence of the NeXT runtime, since a non-Darwin
	# installation can have the objc headers present in the same locations
	# that Darwin uses. If NeXT is ported to another target, then it should
	# be listed here.
	if [istarget --darwin*] {
	lappend rtlist "-fnext-runtime"
	}
	if [info exists OBJC_RUNTIME_OPTIONS] {
	foreach other $OBJC_RUNTIME_OPTIONS {
	# Don't do tests twice...
	if { ( $other == "-fnext-runtime" \|\| $other == "-fgnu-runtime" ) } {
	continue
	}
	lappend rtlist $other
	}
	}

	set OBJC_RUNTIME_OPTIONS ""

	foreach type $rtlist {
	global srcdir subdir target_triplet tmpdir

	set options "additional_flags=$type"
	if [info exists args] {
	lappend options $args
	}
	verbose "options $options"
	if [info exists dowhat] {
	switch $dowhat {
	"compile" {
	# We should check that the generated asm is sensible, so do
	# the equivalent of -c.
	set compile_type "object"
	set output_file "trivial.o"
	set comp_output [objc_target_compile \
	"$srcdir/$subdir/trivial.m" "$output_file" "$compile_type" $options]

	remote_file build delete $output_file
	# If we get any error, then we failed.
	if ![string match "" $comp_output] then {
	continue;
	}
	}
	"execute" {
	set test_obj "trivial.exe"
	set comp_output [objc_target_compile \
	"$srcdir/$subdir/trivial.m" $test_obj "executable" $options]

	# If we get any error, then we failed.
	if ![string match "" $comp_output] then {
	remote_file build delete $test_obj
	continue;
	}
	set result [objc_load "$tmpdir/$test_obj" "" ""]
	set status [lindex $result 0]
	set output [lindex $result 1]
	remote_file build delete $test_obj
	if { $status != "pass" } {
	verbose -log "trivial execute failed with $status $output"
	continue;
	}
	}
	default {
	perror "$dowhat: not a valid objc-torture action"
	return ""
	}
	}
	} else {
	set test_obj "trivial.exe"
	set comp_output [objc_target_compile \
	"$srcdir/$subdir/trivial.m" $test_obj executable $options]

	# If we get any error, then we failed.
	remote_file build delete $test_obj
	if ![string match "" $comp_output] then {
	continue;
	}
	}
	lappend OBJC_RUNTIME_OPTIONS $type
	}

	verbose -log "Using the following runtimes: $OBJC_RUNTIME_OPTIONS"
	}

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

	if [info exists TORTURE_OPTIONS] {
	set OBJC_TORTURE_OPTIONS $TORTURE_OPTIONS
	} else {
	# 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 objc-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 OBJC_TORTURE_OPTIONS [list \
	" -O0 " \
	" -O1 " \
	" -O2 " \
	" -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions " \
	" -O3 -g " \
	" -Os " ]
	}

	if [info exists ADDITIONAL_TORTURE_OPTIONS] {
	set OBJC_TORTURE_OPTIONS \
	[concat $OBJC_TORTURE_OPTIONS $ADDITIONAL_TORTURE_OPTIONS]
	}

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

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

	regsub "(?q)$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 $testcase, $option" 1

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

	set comp_output [objc_target_compile "$src" "$output" object $options]
	objc_check_compile $testcase $option $output $comp_output
	remote_file build delete $output
	}

	#
	# objc-torture-execute -- utility to compile and execute a testcase
	#
	# SRC is the full pathname of 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 objc-torture-execute { src args } {
	global tmpdir tool srcdir output compiler_conditional_xfail_data

	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
	}
	}

	# Look for a loop within the source code - if we don't find one,
	# don't pass -funroll[-all]-loops.
	global torture_with_loops torture_without_loops
	if [expr [search_for $src "for("]+[search_for $src "while("]] then {
	set option_list $torture_with_loops
	} else {
	set option_list $torture_without_loops
	}

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

	regsub "(?q)$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 count 0
	set oldstatus "foo"
	foreach option $option_list {
	if { $count > 0 } {
	if [info exists oldexec] {
	remote_file build delete $oldexec
	}
	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=-w $option"
	if { $additional_flags != "" } {
	lappend options "additional_flags=$additional_flags"
	}
	set comp_output [objc_target_compile "$src" "${execname}" executable $options]

	if ![objc_check_compile "$testcase compilation" $option $execname $comp_output] {
	unresolved "$testcase execution, $option"
	remote_file build delete $execname
	continue
	}

	# 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"
	remote_file build delete $execname
	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
	set status $oldstatus
	}
	}
	if { $skip == 0 } {
	set result [objc_load "$execname" "" ""]
	set status [lindex $result 0]
	set output [lindex $result 1]
	}
	$status "$testcase execution, $option"
	set oldstatus $status
	# for each option
	}
	# tidy up
	if [info exists execname] {
	remote_file build delete $execname
	}
	if [info exists oldexec] {
	remote_file build delete $oldexec
	}
	}

	#
	# 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
	}

	#
	# objc-torture -- the objc-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 objc-torture { args } {
	global srcdir subdir compiler_conditional_xfail_data

	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
	}
	}

	# Look for a loop within the source code - if we don't find one,
	# don't pass -funroll[-all]-loops.
	global torture_with_loops torture_without_loops
	if [expr [search_for $src "for("]+[search_for $src "while("]] then {
	set option_list $torture_with_loops
	} else {
	set option_list $torture_without_loops
	}

	# 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]
	}

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