286 lines
8 KiB
Text
286 lines
8 KiB
Text
# Copyright 1999, 2000 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 2 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 this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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# Please email any bugs, comments, and/or additions to this file to:
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# bug-dejagnu@prep.ai.mit.edu
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# Written by Nick Clifton <nickc@cygnus.com>
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# Based on scripts written by Ian Lance Taylor <ian@cygnus.com>
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# and Ken Raeburn <raeburn@cygnus.com>.
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# First some helpful procedures, then the tests themselves
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# Return the contents of the filename given
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proc file_contents { filename } {
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set file [open $filename r]
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set contents [read $file]
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close $file
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return $contents
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}
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# regexp_diff, based on simple_diff taken from ld test suite
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# compares two files line-by-line
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# file1 contains strings, file2 contains regexps and #-comments
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# blank lines are ignored in either file
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# returns non-zero if differences exist
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#
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proc regexp_diff { file_1 file_2 } {
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set eof -1
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set end_1 0
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set end_2 0
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set differences 0
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set diff_pass 0
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if [file exists $file_1] then {
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set file_a [open $file_1 r]
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} else {
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warning "$file_1 doesn't exist"
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return 1
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}
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if [file exists $file_2] then {
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set file_b [open $file_2 r]
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} else {
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fail "$file_2 doesn't exist"
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close $file_a
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return 1
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}
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verbose " Regexp-diff'ing: $file_1 $file_2" 2
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while { 1 } {
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set line_a ""
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set line_b ""
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while { [string length $line_a] == 0 } {
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if { [gets $file_a line_a] == $eof } {
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set end_1 1
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break
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}
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}
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while { [string length $line_b] == 0 || [string match "#*" $line_b] } {
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if [ string match "#pass" $line_b ] {
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set end_2 1
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set diff_pass 1
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break
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} elseif [ string match "#..." $line_b ] {
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if { [gets $file_b line_b] == $eof } {
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set end_2 1
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break
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}
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verbose "looking for \"^$line_b$\"" 3
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while { ![regexp "^$line_b$" "$line_a"] } {
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verbose "skipping \"$line_a\"" 3
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if { [gets $file_a line_a] == $eof } {
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set end_1 1
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break
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}
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}
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break
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}
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if { [gets $file_b line_b] == $eof } {
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set end_2 1
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break
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}
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}
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if { $diff_pass } {
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break
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} elseif { $end_1 && $end_2 } {
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break
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} elseif { $end_1 } {
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send_log "extra regexps in $file_2 starting with \"^$line_b$\"\nEOF from $file_1\n"
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verbose "extra regexps in $file_2 starting with \"^$line_b$\"\nEOF from $file_1" 3
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set differences 1
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break
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} elseif { $end_2 } {
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send_log "extra lines in $file_1 starting with \"^$line_a$\"\nEOF from $file_2\n"
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verbose "extra lines in $file_1 starting with \"^$line_a$\"\nEOF from $file_2\n" 3
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set differences 1
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break
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} else {
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verbose "regexp \"^$line_b$\"\nline \"$line_a\"" 3
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if ![regexp "^$line_b$" "$line_a"] {
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send_log "regexp_diff match failure\n"
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send_log "regexp \"^$line_b$\"\nline \"$line_a\"\n"
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set differences 1
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}
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}
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}
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if { $differences == 0 && !$diff_pass && [eof $file_a] != [eof $file_b] } {
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send_log "$file_1 and $file_2 are different lengths\n"
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verbose "$file_1 and $file_2 are different lengths" 3
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set differences 1
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}
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close $file_a
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close $file_b
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return $differences
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}
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# Find out the size by reading the output of the EI_CLASS field.
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# Similar to the test for readelf -h, but we're just looking for the
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# EI_CLASS line here.
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proc readelf_find_size { binary_file } {
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global READELF
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global READELFFLAGS
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global readelf_size
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set readelf_size ""
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set testname "finding out ELF size with readelf -h"
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catch "exec $READELF $READELFFLAGS -h $binary_file > readelf.out" got
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if ![string match "" $got] then {
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send_log $got
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fail $testname
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return
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}
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if { ! [regexp "\n\[ \]*Class:\[ \]*ELF(\[0-9\]+)\n" \
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[file_contents readelf.out] nil readelf_size] } {
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verbose -log "EI_CLASS field not found in output"
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verbose -log "output is \n[file_contents readelf.out]"
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fail $testname
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return
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} else {
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verbose -log "ELF size is $readelf_size"
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}
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pass $testname
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}
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# Run an individual readelf test.
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# Basically readelf is run on the binary_file with the given options.
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# Readelf's output is captured and then compared against the contents
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# of the regexp_file-readelf_size if it exists, else regexp_file.
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proc readelf_test { options binary_file regexp_file xfails } {
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global READELF
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global READELFFLAGS
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global readelf_size
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global srcdir
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global subdir
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send_log "exec $READELF $READELFFLAGS $options $binary_file > readelf.out\n"
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catch "exec $READELF $READELFFLAGS $options $binary_file > readelf.out" got
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foreach xfail $xfails {
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setup_xfail $xfail
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}
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if ![string match "" $got] then {
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send_log $got
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fail "readelf $options"
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return
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}
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set target_machine ""
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if [istarget "mips*-*-*"] then {
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set target_machine mips
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}
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if { $target_machine != "" && [file exists $srcdir/$subdir/$regexp_file-$readelf_size-$target_machine] } then {
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set regexp_file $regexp_file-$readelf_size-$target_machine
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} elseif { $target_machine != "" && [file exists $srcdir/$subdir/$regexp_file-$target_machine] } then {
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set regexp_file $regexp_file-$target_machine
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} elseif { [file exists $srcdir/$subdir/$regexp_file-$readelf_size] } then {
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set regexp_file $regexp_file-$readelf_size
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}
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if { [regexp_diff readelf.out $srcdir/$subdir/$regexp_file] } then {
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fail "readelf $options"
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verbose "output is \n[file_contents readelf.out]" 2
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return
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}
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pass "readelf $options"
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}
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# Only ELF based toolchains need readelf.
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# For now be paranoid and assume that if ELF is not mentioned
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# in the target string, then the target is not an ELF based port.
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if { ![istarget *-*-elf*] \
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&& ![istarget *-*-linux*] \
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&& ![istarget i?86-*-sysv4*] \
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&& ![istarget i?86-*-unixware] \
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&& ![istarget mips*-*-irix5*] \
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&& ![istarget mips*-*-irix6*] \
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&& ![istarget powerpc-*-sysv4*] \
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&& ![istarget sparc*-*-solaris2*] } {
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verbose "$READELF is only intended for ELF targets" 2
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return
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}
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if { [istarget *-*-linuxoldld*] \
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|| [istarget *-*-linuxaout*] } {
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verbose "$READELF is only intended for ELF targets" 2
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return
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}
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if ![is_remote host] {
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if {[which $READELF] == 0} then {
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perror "$READELF does not exist"
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return
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}
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}
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send_user "Version [binutil_version $READELF]"
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# Assemle the test file.
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if {![binutils_assemble $srcdir/$subdir/bintest.s tmpdir/bintest.o]} then {
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perror "unresolved 1"
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unresolved "readelf - failed to assemble"
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return
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}
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if ![is_remote host] {
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set tempfile tmpdir/bintest.o;
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} else {
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set tempfile [remote_download host tmpdir/bintest.o]
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}
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# First, determine the size, so specific output matchers can be used.
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readelf_find_size $tempfile
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# Run the tests.
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readelf_test -h $tempfile readelf.h {}
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readelf_test -S $tempfile readelf.s {}
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readelf_test -s $tempfile readelf.ss {}
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readelf_test -r $tempfile readelf.r {}
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# Compile the second test file.
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if { [target_compile $srcdir/$subdir/testprog.c tmpdir/testprog.o object debug] != "" } {
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untested "readelf -w"
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return
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}
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if [is_remote host] {
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set tempfile [remote_download host tmpdir/testprog.o];
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} else {
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set tempfile tmpdir/testprog.o
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}
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# The xfail targets here do not default to DWARF2 format debug information
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# The symptom is that the output of 'readelf -wi' is empty.
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readelf_test -wi $tempfile readelf.wi {v850*-*-* cris-*-* *-*-linux*}
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