gcc/testsuite/lib/scanasm.exp - chromiumos/third_party/gcc - Git at Google

 # Copyright (C) 2000-2014 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/>.

 # Various utilities for scanning assembler output, used by gcc-dg.exp and
 # g++-dg.exp.

 # Utility for scanning compiler result, invoked via dg-final.

 # Transform newline and similar characters into their escaped form.
 proc make_pattern_printable { pattern } {
     return [string map {\t \\t \n \\n \r \\r \\ \\\\} $pattern]
 }

 # Scan the OUTPUT_FILE for a pattern.  If it is present and POSITIVE
 # is non-zero, or it is not present and POSITIVE is zero, the test
 # passes.  The ORIG_ARGS is the list of arguments provided by dg-final
 # to scan-assembler.  The first element in ORIG_ARGS is the regular
 # expression to look for in the file.  The second element, if present,
 # is a DejaGNU target selector.

 proc dg-scan { name positive testcase output_file orig_args } {
     if { [llength $orig_args] < 1 } {
 	error "$name: too few arguments"
         return
     }
     if { [llength $orig_args] > 2 } {
 	error "$name: too many arguments"
 	return
     }
     if { [llength $orig_args] >= 2 } {
 	switch [dg-process-target [lindex $orig_args 1]] {
 	    "S" { }
 	    "N" { return }
 	    "F" { setup_xfail "*-*-*" }
 	    "P" { }
 	}
     }

     set pattern [lindex $orig_args 0]
     set printable_pattern [make_pattern_printable $pattern]

     if { [is_remote host] } {
 	remote_upload host "$output_file"
     }
     set files [glob -nocomplain $output_file]
     if { $files == "" } {
 	verbose -log "$testcase: output file does not exist"
 	unresolved "$testcase $name $printable_pattern"
 	return
     }
     set fd [open $output_file r]
     set text [read $fd]
     close $fd

     set match [regexp -- $pattern $text]
     if { $match == $positive } {
 	pass "$testcase $name $printable_pattern"
     } else {
 	fail "$testcase $name $printable_pattern"
     }
 }

 # Look for a pattern in the .s file produced by the compiler.  See
 # dg-scan for details.

 proc scan-assembler { args } {
     set testcase [testname-for-summary]
     set output_file "[file rootname [file tail $testcase]].s"
     dg-scan "scan-assembler" 1 $testcase $output_file $args
 }

 force_conventional_output_for scan-assembler

 # Check that a pattern is not present in the .s file produced by the
 # compiler.  See dg-scan for details.

 proc scan-assembler-not { args } {
     set testcase [testname-for-summary]
     set output_file "[file rootname [file tail $testcase]].s"

     dg-scan "scan-assembler-not" 0 $testcase $output_file $args
 }

 force_conventional_output_for scan-assembler-not

 # Return the scan for the assembly for hidden visibility.

 proc hidden-scan-for { symbol } {

     set objformat [gcc_target_object_format]

     switch $objformat {
         elf      { return "hidden\[ \t_\]*$symbol" }
         mach-o   { return "private_extern\[ \t_\]*_?$symbol" }
         default  { return "" }
     }

 }


 # Check that a symbol is defined as a hidden symbol in the .s file
 # produced by the compiler.

 proc scan-hidden { args } {
     set testcase [testname-for-summary]
     set output_file "[file rootname [file tail $testcase]].s"

     set symbol [lindex $args 0]

     set hidden_scan [hidden-scan-for $symbol]

     set args [lreplace $args 0 0 "$hidden_scan"]

     dg-scan "scan-hidden" 1 $testcase $output_file $args
 }

 # Check that a symbol is not defined as a hidden symbol in the .s file
 # produced by the compiler.

 proc scan-not-hidden { args } {
     set testcase [testname-for-summary]
     set output_file "[file rootname [file tail $testcase]].s"

     set symbol [lindex $args 0]
     set hidden_scan [hidden-scan-for $symbol]

     set args [lreplace $args 0 0 "$hidden_scan"]

     dg-scan "scan-not-hidden" 0 $testcase $output_file $args
 }

 # Look for a pattern in OUTPUT_FILE.  See dg-scan for details.

 proc scan-file { output_file args } {
     set testcase [testname-for-summary]
     dg-scan "scan-file" 1 $testcase $output_file $args
 }

 # Check that a pattern is not present in the OUTPUT_FILE.  See dg-scan
 # for details.

 proc scan-file-not { output_file args } {
     set testcase [testname-for-summary]
     dg-scan "scan-file-not" 0 $testcase $output_file $args
 }

 # Look for a pattern in the .su file produced by the compiler.  See
 # dg-scan for details.

 proc scan-stack-usage { args } {
     set testcase [testname-for-summary]
     set output_file "[file rootname [file tail $testcase]].su"

     dg-scan "scan-file" 1 $testcase $output_file $args
 }

 # Check that a pattern is not present in the .su file produced by the
 # compiler.  See dg-scan for details.

 proc scan-stack-usage-not { args } {
     set testcase [testname-for-summary]
     set output_file "[file rootname [file tail $testcase]].su"

     dg-scan "scan-file-not" 0 $testcase $output_file $args
 }

 # Return the filename of the Ada spec corresponding to the argument.

 proc get_ada_spec_filename { testcase } {
     # The name might include a list of options; extract the file name.
     set filename  [lindex $testcase 0]
     set tailname  [file tail $filename]
     set extension [string trimleft [file extension $tailname] {.}]
     regsub -all {\-} [file rootname $tailname] {_} rootname

     return [string tolower "${rootname}_${extension}.ads"]
 }

 # Look for a pattern in the .ads file produced by the compiler.  See
 # dg-scan for details.

 proc scan-ada-spec { args } {
     set testcase  [testname-for-summary]
     set output_file "[get_ada_spec_filename $testcase]"

     dg-scan "scan-file" 1 $testcase $output_file $args
 }

 # Check that a pattern is not present in the .ads file produced by the
 # compiler.  See dg-scan for details.

 proc scan-ada-spec-not { args } {
     set testcase  [testname-for-summary]
     set output_file "[get_ada_spec_filename $testcase]"

     dg-scan "scan-file-not" 0 $testcase $output_file $args
 }

 # Call pass if pattern is present given number of times, otherwise fail.
 proc scan-assembler-times { args } {
     if { [llength $args] < 2 } {
 	error "scan-assembler: too few arguments"
         return
     }
     if { [llength $args] > 3 } {
 	error "scan-assembler: too many arguments"
 	return
     }
     if { [llength $args] >= 3 } {
 	switch [dg-process-target [lindex $args 2]] {
 	    "S" { }
 	    "N" { return }
 	    "F" { setup_xfail "*-*-*" }
 	    "P" { }
 	}
     }

     set testcase [testname-for-summary]
     set pattern [lindex $args 0]
     set pp_pattern [make_pattern_printable $pattern]

     # This must match the rule in gcc-dg.exp.
     set output_file "[file rootname [file tail $testcase]].s"

     set files [glob -nocomplain $output_file]
     if { $files == "" } {
 	verbose -log "$testcase: output file does not exist"
 	unresolved "$testcase scan-assembler-times $pp_pattern [lindex $args 1]"
 	return
     }

     set fd [open $output_file r]
     set text [read $fd]
     close $fd

     if { [llength [regexp -inline -all -- $pattern $text]] == [lindex $args 1]} {
 	pass "$testcase scan-assembler-times $pp_pattern [lindex $args 1]"
     } else {
 	fail "$testcase scan-assembler-times $pp_pattern [lindex $args 1]"
     }
 }

 force_conventional_output_for scan-assembler-times

 # Utility for scanning demangled compiler result, invoked via dg-final.
 # Call pass if pattern is present, otherwise fail.
 proc scan-assembler-dem { args } {
     global cxxfilt
     global base_dir

     if { [llength $args] < 1 } {
 	error "scan-assembler-dem: too few arguments"
         return
     }
     if { [llength $args] > 2 } {
 	error "scan-assembler-dem: too many arguments"
 	return
     }
     if { [llength $args] >= 2 } {
 	switch [dg-process-target [lindex $args 1]] {
 	    "S" { }
 	    "N" { return }
 	    "F" { setup_xfail "*-*-*" }
 	    "P" { }
 	}
     }

     # Find c++filt like we find g++ in g++.exp.
     if ![info exists cxxfilt]  {
 	set cxxfilt [findfile $base_dir/../../../binutils/cxxfilt \
 		     $base_dir/../../../binutils/cxxfilt \
 	             [findfile $base_dir/../../c++filt $base_dir/../../c++filt \
 		      [findfile $base_dir/c++filt $base_dir/c++filt \
 		       [transform c++filt]]]]
 	verbose -log "c++filt is $cxxfilt"
     }

     set testcase [testname-for-summary]
     set pattern [lindex $args 0]
     set pp_pattern [make_pattern_printable $pattern]
     set output_file "[file rootname [file tail $testcase]].s"

     set files [glob -nocomplain $output_file]
     if { $files == "" } {
 	verbose -log "$testcase: output file does not exist"
 	unresolved "$testcase scan-assembler-dem $pp_pattern"
 	return
     }

     set output [remote_exec host "$cxxfilt" "" "$output_file"]
     set text [lindex $output 1]

     if [regexp -- $pattern $text] {
 	pass "$testcase scan-assembler-dem $pp_pattern"
     } else {
 	fail "$testcase scan-assembler-dem $pp_pattern"
     }
 }

 # Call pass if demangled pattern is not present, otherwise fail.
 proc scan-assembler-dem-not { args } {
     global cxxfilt
     global base_dir

     if { [llength $args] < 1 } {
 	error "scan-assembler-dem-not: too few arguments"
         return
     }
     if { [llength $args] > 2 } {
 	error "scan-assembler-dem-not: too many arguments"
 	return
     }
     if { [llength $args] >= 2 } {
 	switch [dg-process-target [lindex $args 1]] {
 	    "S" { }
 	    "N" { return }
 	    "F" { setup_xfail "*-*-*" }
 	    "P" { }
 	}
     }

     # Find c++filt like we find g++ in g++.exp.
     if ![info exists cxxfilt]  {
 	set cxxfilt [findfile $base_dir/../../../binutils/cxxfilt \
 		     $base_dir/../../../binutils/cxxfilt \
 		     [findfile $base_dir/../../c++filt $base_dir/../../c++filt \
 		      [findfile $base_dir/c++filt $base_dir/c++filt \
 		       [transform c++filt]]]]
 	verbose -log "c++filt is $cxxfilt"
     }

     set testcase [testname-for-summary]
     set pattern [lindex $args 0]
     set pp_pattern [make_pattern_printable $pattern]
     set output_file "[file rootname [file tail $testcase]].s"

     set files [glob -nocomplain $output_file]
     if { $files == "" } {
 	verbose -log "$testcase: output file does not exist"
 	unresolved "$testcase scan-assembler-dem-not $pp_pattern"
 	return
     }

     set output [remote_exec host "$cxxfilt" "" "$output_file"]
     set text [lindex $output 1]

     if ![regexp -- $pattern $text] {
 	pass "$testcase scan-assembler-dem-not $pp_pattern"
     } else {
 	fail "$testcase scan-assembler-dem-not $pp_pattern"
     }
 }

 # Call pass if object size is ok, otherwise fail.
 # example: /* { dg-final { object-size text <= 54 } } */
 proc object-size { args } {
     global size
     global base_dir

     if { [llength $args] < 3 } {
 	error "object-size: too few arguments"
         return
     }
     if { [llength $args] > 4 } {
 	error "object-size: too many arguments"
 	return
     }
     if { [llength $args] >= 4 } {
 	switch [dg-process-target [lindex $args 3]] {
 	    "S" { }
 	    "N" { return }
 	    "F" { setup_xfail "*-*-*" }
 	    "P" { }
 	}
     }

     # Find size like we find g++ in g++.exp.
     if ![info exists size]  {
 	set size [findfile $base_dir/../../../binutils/size \
 		  $base_dir/../../../binutils/size \
 		  [findfile $base_dir/../../size $base_dir/../../size \
 		   [findfile $base_dir/size $base_dir/size \
 		    [transform size]]]]
 	verbose -log "size is $size"
     }

     set testcase [testname-for-summary]
     set what [lindex $args 0]
     set where [lsearch { text data bss total } $what]
     if { $where == -1 } {
         error "object-size: illegal argument: $what"
         return
     }
     set cmp [lindex $args 1]
     if { [lsearch { < > <= >= == != } $cmp] == -1 } {
         error "object-size: illegal argument: $cmp"
         return
     }
     set with [lindex $args 2]
     if ![string is integer $with ] {
         error "object-size: illegal argument: $with"
         return
     }

     set output_file "[file rootname [file tail $testcase]].o"
     if ![file_on_host exists $output_file] {
 	verbose -log "$testcase: $output_file does not exist"
 	unresolved "$testcase object-size $what $cmp $with"
 	return
     }
     set output [remote_exec host "$size" "$output_file"]
     set status [lindex $output 0]
     if { $status != 0 } {
         verbose -log "$testcase object-size: $size failed"
         unresolved "$testcase object-size $what $cmp $with"
         return
     }

     set text [lindex $output 1]
     set lines [split $text "\n"]

     set line0 [lindex $lines 0]
     if ![regexp {^\s*text\s+data\s+bss\s+dec\s+hex\s+filename\s*$} $line0] {
         verbose -log "$testcase object-size: $size did not produce expected first line: $line0"
         unresolved "$testcase object-size $what $cmp $with"
         return
     }

     set line1 [lindex $lines 1]
     if ![regexp {^\s*\d+\s+\d+\s+\d+\s+\d+\s+[\da-fA-F]+\s+} $line1] {
         verbose -log "$testcase object-size: $size did not produce expected second line: $line1"
         unresolved "$testcase object-size $what $cmp $with"
         return
     }

     set actual [lindex $line1 $where]
     verbose -log "$what size is $actual"

     if [expr $actual $cmp $with] {
 	pass "$testcase object-size $what $cmp $with"
     } else {
 	fail "$testcase object-size $what $cmp $with"
     }
 }

 # Utility for testing that a function is defined on the current line.
 # Call pass if so, otherwise fail.  Invoked directly; the file must
 # have been compiled with -g -dA.
 #
 # Argument 0 is the current line, passed implicitly by dejagnu
 # Argument 1 is the function to check
 # Argument 2 handles expected failures and the like
 # Argument 3 is "." to match the current line, or an integer to match
 # an explicit line.
 proc dg-function-on-line { args } {
     # Upvar from dg-final:
     upvar dg-final-code final-code

     set line [lindex $args 0]
     set symbol [lindex $args 1]
     set failures [lindex $args 2]

     if { [llength $args] >= 4 } {
 	switch [lindex $args 3] {
 	    "." { }
 	    "default" { set line [lindex $args 3] }
 	}
     }

     if { [istarget hppa*-*-*] } {
 	set pattern [format {\t;[^:]+:%d\n(\t[^\t]+\n)+%s:\n\t.PROC} \
                      $line $symbol]
     } elseif { [istarget mips*-*-*] } {
 	set pattern [format {\t\.loc [0-9]+ %d 0( [^\n]*)?\n(\t.cfi_startproc[^\t]*\n)*\t\.set\t(no)?mips16\n\t(\.set\t(no)?micromips\n\t)?\.ent\t%s\n\t\.type\t%s, @function\n%s:\n} \
 		     $line $symbol $symbol $symbol]
     } else {
 	set pattern [format {%s:[^\t]*(\t.(fnstart|frame|mask|file)[^\t]*)*\t[^:]+:%d\n} \
                      $symbol $line]
     }

     # The lack of spaces around $pattern is important, since they'd
     # become part of the regex scan-assembler tries to match.
     set cmd "scan-assembler {$pattern}"
     if { [llength $args] >= 3 } {
         set cmd "$cmd {$failures}"
     }

     append final-code "$cmd\n"
 }
	# Copyright (C) 2000-2014 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/>.

	# Various utilities for scanning assembler output, used by gcc-dg.exp and
	# g++-dg.exp.

	# Utility for scanning compiler result, invoked via dg-final.

	# Transform newline and similar characters into their escaped form.
	proc make_pattern_printable { pattern } {
	return [string map {\t \\t \n \\n \r \\r \\ \\\\} $pattern]
	}

	# Scan the OUTPUT_FILE for a pattern. If it is present and POSITIVE
	# is non-zero, or it is not present and POSITIVE is zero, the test
	# passes. The ORIG_ARGS is the list of arguments provided by dg-final
	# to scan-assembler. The first element in ORIG_ARGS is the regular
	# expression to look for in the file. The second element, if present,
	# is a DejaGNU target selector.

	proc dg-scan { name positive testcase output_file orig_args } {
	if { [llength $orig_args] < 1 } {
	error "$name: too few arguments"
	return
	}
	if { [llength $orig_args] > 2 } {
	error "$name: too many arguments"
	return
	}
	if { [llength $orig_args] >= 2 } {
	switch [dg-process-target [lindex $orig_args 1]] {
	"S" { }
	"N" { return }
	"F" { setup_xfail "--*" }
	"P" { }
	}
	}

	set pattern [lindex $orig_args 0]
	set printable_pattern [make_pattern_printable $pattern]

	if { [is_remote host] } {
	remote_upload host "$output_file"
	}
	set files [glob -nocomplain $output_file]
	if { $files == "" } {
	verbose -log "$testcase: output file does not exist"
	unresolved "$testcase $name $printable_pattern"
	return
	}
	set fd [open $output_file r]
	set text [read $fd]
	close $fd

	set match [regexp -- $pattern $text]
	if { $match == $positive } {
	pass "$testcase $name $printable_pattern"
	} else {
	fail "$testcase $name $printable_pattern"
	}
	}

	# Look for a pattern in the .s file produced by the compiler. See
	# dg-scan for details.

	proc scan-assembler { args } {
	set testcase [testname-for-summary]
	set output_file "[file rootname [file tail $testcase]].s"
	dg-scan "scan-assembler" 1 $testcase $output_file $args
	}

	force_conventional_output_for scan-assembler

	# Check that a pattern is not present in the .s file produced by the
	# compiler. See dg-scan for details.

	proc scan-assembler-not { args } {
	set testcase [testname-for-summary]
	set output_file "[file rootname [file tail $testcase]].s"

	dg-scan "scan-assembler-not" 0 $testcase $output_file $args
	}

	force_conventional_output_for scan-assembler-not

	# Return the scan for the assembly for hidden visibility.

	proc hidden-scan-for { symbol } {

	set objformat [gcc_target_object_format]

	switch $objformat {
	elf { return "hidden\[ \t_\]*$symbol" }
	mach-o { return "private_extern\[ \t_\]*_?$symbol" }
	default { return "" }
	}

	}


	# Check that a symbol is defined as a hidden symbol in the .s file
	# produced by the compiler.

	proc scan-hidden { args } {
	set testcase [testname-for-summary]
	set output_file "[file rootname [file tail $testcase]].s"

	set symbol [lindex $args 0]

	set hidden_scan [hidden-scan-for $symbol]

	set args [lreplace $args 0 0 "$hidden_scan"]

	dg-scan "scan-hidden" 1 $testcase $output_file $args
	}

	# Check that a symbol is not defined as a hidden symbol in the .s file
	# produced by the compiler.

	proc scan-not-hidden { args } {
	set testcase [testname-for-summary]
	set output_file "[file rootname [file tail $testcase]].s"

	set symbol [lindex $args 0]
	set hidden_scan [hidden-scan-for $symbol]

	set args [lreplace $args 0 0 "$hidden_scan"]

	dg-scan "scan-not-hidden" 0 $testcase $output_file $args
	}

	# Look for a pattern in OUTPUT_FILE. See dg-scan for details.

	proc scan-file { output_file args } {
	set testcase [testname-for-summary]
	dg-scan "scan-file" 1 $testcase $output_file $args
	}

	# Check that a pattern is not present in the OUTPUT_FILE. See dg-scan
	# for details.

	proc scan-file-not { output_file args } {
	set testcase [testname-for-summary]
	dg-scan "scan-file-not" 0 $testcase $output_file $args
	}

	# Look for a pattern in the .su file produced by the compiler. See
	# dg-scan for details.

	proc scan-stack-usage { args } {
	set testcase [testname-for-summary]
	set output_file "[file rootname [file tail $testcase]].su"

	dg-scan "scan-file" 1 $testcase $output_file $args
	}

	# Check that a pattern is not present in the .su file produced by the
	# compiler. See dg-scan for details.

	proc scan-stack-usage-not { args } {
	set testcase [testname-for-summary]
	set output_file "[file rootname [file tail $testcase]].su"

	dg-scan "scan-file-not" 0 $testcase $output_file $args
	}

	# Return the filename of the Ada spec corresponding to the argument.

	proc get_ada_spec_filename { testcase } {
	# The name might include a list of options; extract the file name.
	set filename [lindex $testcase 0]
	set tailname [file tail $filename]
	set extension [string trimleft [file extension $tailname] {.}]
	regsub -all {\-} [file rootname $tailname] {_} rootname

	return [string tolower "${rootname}_${extension}.ads"]
	}

	# Look for a pattern in the .ads file produced by the compiler. See
	# dg-scan for details.

	proc scan-ada-spec { args } {
	set testcase [testname-for-summary]
	set output_file "[get_ada_spec_filename $testcase]"

	dg-scan "scan-file" 1 $testcase $output_file $args
	}

	# Check that a pattern is not present in the .ads file produced by the
	# compiler. See dg-scan for details.

	proc scan-ada-spec-not { args } {
	set testcase [testname-for-summary]
	set output_file "[get_ada_spec_filename $testcase]"

	dg-scan "scan-file-not" 0 $testcase $output_file $args
	}

	# Call pass if pattern is present given number of times, otherwise fail.
	proc scan-assembler-times { args } {
	if { [llength $args] < 2 } {
	error "scan-assembler: too few arguments"
	return
	}
	if { [llength $args] > 3 } {
	error "scan-assembler: too many arguments"
	return
	}
	if { [llength $args] >= 3 } {
	switch [dg-process-target [lindex $args 2]] {
	"S" { }
	"N" { return }
	"F" { setup_xfail "--*" }
	"P" { }
	}
	}

	set testcase [testname-for-summary]
	set pattern [lindex $args 0]
	set pp_pattern [make_pattern_printable $pattern]

	# This must match the rule in gcc-dg.exp.
	set output_file "[file rootname [file tail $testcase]].s"

	set files [glob -nocomplain $output_file]
	if { $files == "" } {
	verbose -log "$testcase: output file does not exist"
	unresolved "$testcase scan-assembler-times $pp_pattern [lindex $args 1]"
	return
	}

	set fd [open $output_file r]
	set text [read $fd]
	close $fd

	if { [llength [regexp -inline -all -- $pattern $text]] == [lindex $args 1]} {
	pass "$testcase scan-assembler-times $pp_pattern [lindex $args 1]"
	} else {
	fail "$testcase scan-assembler-times $pp_pattern [lindex $args 1]"
	}
	}

	force_conventional_output_for scan-assembler-times

	# Utility for scanning demangled compiler result, invoked via dg-final.
	# Call pass if pattern is present, otherwise fail.
	proc scan-assembler-dem { args } {
	global cxxfilt
	global base_dir

	if { [llength $args] < 1 } {
	error "scan-assembler-dem: too few arguments"
	return
	}
	if { [llength $args] > 2 } {
	error "scan-assembler-dem: too many arguments"
	return
	}
	if { [llength $args] >= 2 } {
	switch [dg-process-target [lindex $args 1]] {
	"S" { }
	"N" { return }
	"F" { setup_xfail "--*" }
	"P" { }
	}
	}

	# Find c++filt like we find g++ in g++.exp.
	if ![info exists cxxfilt] {
	set cxxfilt [findfile $base_dir/../../../binutils/cxxfilt \
	$base_dir/../../../binutils/cxxfilt \
	[findfile $base_dir/../../c++filt $base_dir/../../c++filt \
	[findfile $base_dir/c++filt $base_dir/c++filt \
	[transform c++filt]]]]
	verbose -log "c++filt is $cxxfilt"
	}

	set testcase [testname-for-summary]
	set pattern [lindex $args 0]
	set pp_pattern [make_pattern_printable $pattern]
	set output_file "[file rootname [file tail $testcase]].s"

	set files [glob -nocomplain $output_file]
	if { $files == "" } {
	verbose -log "$testcase: output file does not exist"
	unresolved "$testcase scan-assembler-dem $pp_pattern"
	return
	}

	set output [remote_exec host "$cxxfilt" "" "$output_file"]
	set text [lindex $output 1]

	if [regexp -- $pattern $text] {
	pass "$testcase scan-assembler-dem $pp_pattern"
	} else {
	fail "$testcase scan-assembler-dem $pp_pattern"
	}
	}

	# Call pass if demangled pattern is not present, otherwise fail.
	proc scan-assembler-dem-not { args } {
	global cxxfilt
	global base_dir

	if { [llength $args] < 1 } {
	error "scan-assembler-dem-not: too few arguments"
	return
	}
	if { [llength $args] > 2 } {
	error "scan-assembler-dem-not: too many arguments"
	return
	}
	if { [llength $args] >= 2 } {
	switch [dg-process-target [lindex $args 1]] {
	"S" { }
	"N" { return }
	"F" { setup_xfail "--*" }
	"P" { }
	}
	}

	# Find c++filt like we find g++ in g++.exp.
	if ![info exists cxxfilt] {
	set cxxfilt [findfile $base_dir/../../../binutils/cxxfilt \
	$base_dir/../../../binutils/cxxfilt \
	[findfile $base_dir/../../c++filt $base_dir/../../c++filt \
	[findfile $base_dir/c++filt $base_dir/c++filt \
	[transform c++filt]]]]
	verbose -log "c++filt is $cxxfilt"
	}

	set testcase [testname-for-summary]
	set pattern [lindex $args 0]
	set pp_pattern [make_pattern_printable $pattern]
	set output_file "[file rootname [file tail $testcase]].s"

	set files [glob -nocomplain $output_file]
	if { $files == "" } {
	verbose -log "$testcase: output file does not exist"
	unresolved "$testcase scan-assembler-dem-not $pp_pattern"
	return
	}

	set output [remote_exec host "$cxxfilt" "" "$output_file"]
	set text [lindex $output 1]

	if ![regexp -- $pattern $text] {
	pass "$testcase scan-assembler-dem-not $pp_pattern"
	} else {
	fail "$testcase scan-assembler-dem-not $pp_pattern"
	}
	}

	# Call pass if object size is ok, otherwise fail.
	# example: /* { dg-final { object-size text <= 54 } } */
	proc object-size { args } {
	global size
	global base_dir

	if { [llength $args] < 3 } {
	error "object-size: too few arguments"
	return
	}
	if { [llength $args] > 4 } {
	error "object-size: too many arguments"
	return
	}
	if { [llength $args] >= 4 } {
	switch [dg-process-target [lindex $args 3]] {
	"S" { }
	"N" { return }
	"F" { setup_xfail "--*" }
	"P" { }
	}
	}

	# Find size like we find g++ in g++.exp.
	if ![info exists size] {
	set size [findfile $base_dir/../../../binutils/size \
	$base_dir/../../../binutils/size \
	[findfile $base_dir/../../size $base_dir/../../size \
	[findfile $base_dir/size $base_dir/size \
	[transform size]]]]
	verbose -log "size is $size"
	}

	set testcase [testname-for-summary]
	set what [lindex $args 0]
	set where [lsearch { text data bss total } $what]
	if { $where == -1 } {
	error "object-size: illegal argument: $what"
	return
	}
	set cmp [lindex $args 1]
	if { [lsearch { < > <= >= == != } $cmp] == -1 } {
	error "object-size: illegal argument: $cmp"
	return
	}
	set with [lindex $args 2]
	if ![string is integer $with ] {
	error "object-size: illegal argument: $with"
	return
	}

	set output_file "[file rootname [file tail $testcase]].o"
	if ![file_on_host exists $output_file] {
	verbose -log "$testcase: $output_file does not exist"
	unresolved "$testcase object-size $what $cmp $with"
	return
	}
	set output [remote_exec host "$size" "$output_file"]
	set status [lindex $output 0]
	if { $status != 0 } {
	verbose -log "$testcase object-size: $size failed"
	unresolved "$testcase object-size $what $cmp $with"
	return
	}

	set text [lindex $output 1]
	set lines [split $text "\n"]

	set line0 [lindex $lines 0]
	if ![regexp {^\stext\s+data\s+bss\s+dec\s+hex\s+filename\s$} $line0] {
	verbose -log "$testcase object-size: $size did not produce expected first line: $line0"
	unresolved "$testcase object-size $what $cmp $with"
	return
	}

	set line1 [lindex $lines 1]
	if ![regexp {^\s*\d+\s+\d+\s+\d+\s+\d+\s+[\da-fA-F]+\s+} $line1] {
	verbose -log "$testcase object-size: $size did not produce expected second line: $line1"
	unresolved "$testcase object-size $what $cmp $with"
	return
	}

	set actual [lindex $line1 $where]
	verbose -log "$what size is $actual"

	if [expr $actual $cmp $with] {
	pass "$testcase object-size $what $cmp $with"
	} else {
	fail "$testcase object-size $what $cmp $with"
	}
	}

	# Utility for testing that a function is defined on the current line.
	# Call pass if so, otherwise fail. Invoked directly; the file must
	# have been compiled with -g -dA.
	#
	# Argument 0 is the current line, passed implicitly by dejagnu
	# Argument 1 is the function to check
	# Argument 2 handles expected failures and the like
	# Argument 3 is "." to match the current line, or an integer to match
	# an explicit line.
	proc dg-function-on-line { args } {
	# Upvar from dg-final:
	upvar dg-final-code final-code

	set line [lindex $args 0]
	set symbol [lindex $args 1]
	set failures [lindex $args 2]

	if { [llength $args] >= 4 } {
	switch [lindex $args 3] {
	"." { }
	"default" { set line [lindex $args 3] }
	}
	}

	if { [istarget hppa--*] } {
	set pattern [format {\t;[^:]+:%d\n(\t[^\t]+\n)+%s:\n\t.PROC} \
	$line $symbol]
	} elseif { [istarget mips--*] } {
	set pattern [format {\t\.loc [0-9]+ %d 0( [^\n])?\n(\t.cfi_startproc[^\t]\n)*\t\.set\t(no)?mips16\n\t(\.set\t(no)?micromips\n\t)?\.ent\t%s\n\t\.type\t%s, @function\n%s:\n} \
	$line $symbol $symbol $symbol]
	} else {
	set pattern [format {%s:[^\t](\t.(fnstart\|frame\|mask\|file)[^\t])*\t[^:]+:%d\n} \
	$symbol $line]
	}

	# The lack of spaces around $pattern is important, since they'd
	# become part of the regex scan-assembler tries to match.
	set cmd "scan-assembler {$pattern}"
	if { [llength $args] >= 3 } {
	set cmd "$cmd {$failures}"
	}

	append final-code "$cmd\n"
	}