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jeremybenn |
# Copyright (C) 2000, 2002, 2003, 2007 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with GCC; see the file COPYING3. If not see
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# .
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# Various utilities for scanning assembler output, used by gcc-dg.exp and
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# g++-dg.exp.
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# Utility for scanning compiler result, invoked via dg-final.
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# Scan the OUTPUT_FILE for a pattern. If it is present and POSITIVE
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# is non-zero, or it is not present and POSITIVE is zero, the test
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# passes. The ORIG_ARGS is the list of arguments provided by dg-final
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# to scan-assembler. The first element in ORIG_ARGS is the regular
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# expression to look for in the file. The second element, if present,
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# is a DejaGNU target selector.
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proc dg-scan { name positive testcase output_file orig_args } {
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if { [llength $orig_args] < 1 } {
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error "$name: too few arguments"
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return
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}
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if { [llength $orig_args] > 2 } {
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error "$name: too many arguments"
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return
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}
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if { [llength $orig_args] >= 2 } {
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switch [dg-process-target [lindex $orig_args 1]] {
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"S" { }
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"N" { return }
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"F" { setup_xfail "*-*-*" }
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"P" { }
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}
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}
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set fd [open $output_file r]
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set text [read $fd]
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close $fd
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set pattern [lindex $orig_args 0]
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set printable_pattern [string map {\t \\t \n \\n \r \\r \\ \\\\} $pattern]
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set match [regexp -- $pattern $text]
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if { $match == $positive } {
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pass "$testcase $name $printable_pattern"
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} else {
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fail "$testcase $name $printable_pattern"
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}
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}
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# Look for a pattern in the .s file produced by the compiler. See
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# dg-scan for details.
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proc scan-assembler { args } {
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upvar 2 name testcase
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set output_file "[file rootname [file tail $testcase]].s"
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dg-scan "scan-assembler" 1 $testcase $output_file $args
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}
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# Check that a pattern is not present in the .s file produced by the
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# compiler. See dg-scan for details.
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proc scan-assembler-not { args } {
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upvar 2 name testcase
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set output_file "[file rootname [file tail $testcase]].s"
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dg-scan "scan-assembler-not" 0 $testcase $output_file $args
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}
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# Return the scan for the assembly for hidden visibility.
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proc hidden-scan-for { symbol } {
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set objformat [gcc_target_object_format]
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switch $objformat {
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elf { return "hidden\[ \t_\]*$symbol" }
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mach-o { return "private_extern\[ \t_\]*_?$symbol" }
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default { return "" }
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}
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}
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# Check that a symbol is defined as a hidden symbol in the .s file
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# produced by the compiler.
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proc scan-hidden { args } {
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upvar 2 name testcase
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set output_file "[file rootname [file tail $testcase]].s"
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set symbol [lindex $args 0]
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set hidden_scan [hidden-scan-for $symbol]
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set args [lreplace $args 0 0 "$hidden_scan"]
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dg-scan "scan-hidden" 1 $testcase $output_file $args
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}
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# Check that a symbol is not defined as a hidden symbol in the .s file
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# produced by the compiler.
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proc scan-not-hidden { args } {
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upvar 2 name testcase
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set output_file "[file rootname [file tail $testcase]].s"
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set symbol [lindex $args 0]
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set hidden_scan [hidden-scan-for $symbol]
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set args [lreplace $args 0 0 "$hidden_scan"]
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dg-scan "scan-not-hidden" 0 $testcase $output_file $args
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}
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# Look for a pattern in OUTPUT_FILE. See dg-scan for details.
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proc scan-file { output_file args } {
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upvar 2 name testcase
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dg-scan "scan-file" 1 $testcase $output_file $args
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}
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# Check that a pattern is not present in the OUTPUT_FILE. See dg-scan
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# for details.
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proc scan-file-not { output_file args } {
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upvar 2 name testcase
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dg-scan "scan-file-not" 0 $testcase $output_file $args
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}
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# Call pass if pattern is present given number of times, otherwise fail.
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proc scan-assembler-times { args } {
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if { [llength $args] < 2 } {
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error "scan-assembler: too few arguments"
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return
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}
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if { [llength $args] > 3 } {
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error "scan-assembler: too many arguments"
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return
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}
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if { [llength $args] >= 3 } {
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switch [dg-process-target [lindex $args 2]] {
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"S" { }
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"N" { return }
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"F" { setup_xfail "*-*-*" }
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"P" { }
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}
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}
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# This assumes that we are two frames down from dg-test, and that
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# it still stores the filename of the testcase in a local variable "name".
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# A cleaner solution would require a new dejagnu release.
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upvar 2 name testcase
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# This must match the rule in gcc-dg.exp.
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set output_file "[file rootname [file tail $testcase]].s"
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set fd [open $output_file r]
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set text [read $fd]
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close $fd
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if { [llength [regexp -inline -all -- [lindex $args 0] $text]] == [lindex $args 1]} {
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pass "$testcase scan-assembler-times [lindex $args 0] [lindex $args 1]"
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} else {
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fail "$testcase scan-assembler-times [lindex $args 0] [lindex $args 1]"
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}
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}
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# Utility for scanning demangled compiler result, invoked via dg-final.
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# Call pass if pattern is present, otherwise fail.
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proc scan-assembler-dem { args } {
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global cxxfilt
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global base_dir
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if { [llength $args] < 1 } {
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error "scan-assembler-dem: too few arguments"
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return
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}
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if { [llength $args] > 2 } {
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error "scan-assembler-dem: too many arguments"
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return
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}
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if { [llength $args] >= 2 } {
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switch [dg-process-target [lindex $args 1]] {
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"S" { }
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"N" { return }
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"F" { setup_xfail "*-*-*" }
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"P" { }
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}
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}
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# Find c++filt like we find g++ in g++.exp.
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if ![info exists cxxfilt] {
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set cxxfilt [findfile $base_dir/../../../binutils/cxxfilt \
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$base_dir/../../../binutils/cxxfilt \
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[findfile $base_dir/../../c++filt $base_dir/../../c++filt \
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[findfile $base_dir/c++filt $base_dir/c++filt \
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[transform c++filt]]]]
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verbose -log "c++filt is $cxxfilt"
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}
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upvar 2 name testcase
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set output_file "[file rootname [file tail $testcase]].s"
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set fd [open "| $cxxfilt < $output_file" r]
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set text [read $fd]
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close $fd
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if [regexp -- [lindex $args 0] $text] {
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pass "$testcase scan-assembler-dem [lindex $args 0]"
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} else {
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fail "$testcase scan-assembler-dem [lindex $args 0]"
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}
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}
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# Call pass if demangled pattern is not present, otherwise fail.
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proc scan-assembler-dem-not { args } {
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global cxxfilt
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global base_dir
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if { [llength $args] < 1 } {
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error "scan-assembler-dem-not: too few arguments"
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return
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}
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if { [llength $args] > 2 } {
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error "scan-assembler-dem-not: too many arguments"
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return
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}
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if { [llength $args] >= 2 } {
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switch [dg-process-target [lindex $args 1]] {
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"S" { }
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"N" { return }
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"F" { setup_xfail "*-*-*" }
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"P" { }
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}
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}
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# Find c++filt like we find g++ in g++.exp.
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if ![info exists cxxfilt] {
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set cxxfilt [findfile $base_dir/../../../binutils/cxxfilt \
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$base_dir/../../../binutils/cxxfilt \
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[findfile $base_dir/../../c++filt $base_dir/../../c++filt \
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[findfile $base_dir/c++filt $base_dir/c++filt \
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[transform c++filt]]]]
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verbose -log "c++filt is $cxxfilt"
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}
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upvar 2 name testcase
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set output_file "[file rootname [file tail $testcase]].s"
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set fd [open "| $cxxfilt < $output_file" r]
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set text [read $fd]
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close $fd
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if ![regexp -- [lindex $args 0] $text] {
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pass "$testcase scan-assembler-dem-not [lindex $args 0]"
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} else {
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fail "$testcase scan-assembler-dem-not [lindex $args 0]"
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}
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}
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