# Copyright 1999, 2000, 2001, 2003, 2004 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 2 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 this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
# Please email any bugs, comments, and/or additions to this file to:
# bug-dejagnu@prep.ai.mit.edu
# Written by Nick Clifton <nickc@cygnus.com>
# Based on scripts written by Ian Lance Taylor <ian@cygnus.com>
# and Ken Raeburn <raeburn@cygnus.com>.
# First some helpful procedures, then the tests themselves
# Return the contents of the filename given
proc file_contents { filename } {
set file [open $filename r]
set contents [read $file]
close $file
return $contents
}
# regexp_diff, based on simple_diff taken from ld test suite
# compares two files line-by-line
# file1 contains strings, file2 contains regexps and #-comments
# blank lines are ignored in either file
# returns non-zero if differences exist
#
proc regexp_diff { file_1 file_2 } {
set eof -1
set end_1 0
set end_2 0
set differences 0
set diff_pass 0
if [file exists $file_1] then {
set file_a [open $file_1 r]
} else {
warning "$file_1 doesn't exist"
return 1
}
if [file exists $file_2] then {
set file_b [open $file_2 r]
} else {
fail "$file_2 doesn't exist"
close $file_a
return 1
}
verbose " Regexp-diff'ing: $file_1 $file_2" 2
while { 1 } {
set line_a ""
set line_b ""
while { [string length $line_a] == 0 } {
if { [gets $file_a line_a] == $eof } {
set end_1 1
break
}
}
while { [string length $line_b] == 0 || [string match "#*" $line_b] } {
if [ string match "#pass" $line_b ] {
set end_2 1
set diff_pass 1
break
} elseif [ string match "#..." $line_b ] {
if { [gets $file_b line_b] == $eof } {
set end_2 1
break
}
verbose "looking for \"^$line_b$\"" 3
while { ![regexp "^$line_b$" "$line_a"] } {
verbose "skipping \"$line_a\"" 3
if { [gets $file_a line_a] == $eof } {
set end_1 1
break
}
}
break
}
if { [gets $file_b line_b] == $eof } {
set end_2 1
break
}
}
if { $diff_pass } {
break
} elseif { $end_1 && $end_2 } {
break
} elseif { $end_1 } {
send_log "extra regexps in $file_2 starting with \"^$line_b$\"\nEOF from $file_1\n"
verbose "extra regexps in $file_2 starting with \"^$line_b$\"\nEOF from $file_1" 3
set differences 1
break
} elseif { $end_2 } {
send_log "extra lines in $file_1 starting with \"^$line_a$\"\nEOF from $file_2\n"
verbose "extra lines in $file_1 starting with \"^$line_a$\"\nEOF from $file_2\n" 3
set differences 1
break
} else {
verbose "regexp \"^$line_b$\"\nline \"$line_a\"" 3
if ![regexp "^$line_b$" "$line_a"] {
send_log "regexp_diff match failure\n"
send_log "regexp \"^$line_b$\"\nline \"$line_a\"\n"
set differences 1
}
}
}
if { $differences == 0 && !$diff_pass && [eof $file_a] != [eof $file_b] } {
send_log "$file_1 and $file_2 are different lengths\n"
verbose "$file_1 and $file_2 are different lengths" 3
set differences 1
}
close $file_a
close $file_b
return $differences
}
# Find out the size by reading the output of the EI_CLASS field.
# Similar to the test for readelf -h, but we're just looking for the
# EI_CLASS line here.
proc readelf_find_size { binary_file } {
global READELF
global READELFFLAGS
global readelf_size
set readelf_size ""
set testname "finding out ELF size with readelf -h"
catch "exec $READELF $READELFFLAGS -h $binary_file > readelf.out" got
if ![string match "" $got] then {
send_log $got
fail $testname
return
}
if { ! [regexp "\n\[ \]*Class:\[ \]*ELF(\[0-9\]+)\n" \
[file_contents readelf.out] nil readelf_size] } {
verbose -log "EI_CLASS field not found in output"
verbose -log "output is \n[file_contents readelf.out]"
fail $testname
return
} else {
verbose -log "ELF size is $readelf_size"
}
pass $testname
}
# Run an individual readelf test.
# Basically readelf is run on the binary_file with the given options.
# Readelf's output is captured and then compared against the contents
# of the regexp_file-readelf_size if it exists, else regexp_file.
proc readelf_test { options binary_file regexp_file xfails } {
global READELF
global READELFFLAGS
global readelf_size
global srcdir
global subdir
send_log "exec $READELF $READELFFLAGS $options $binary_file > readelf.out\n"
catch "exec $READELF $READELFFLAGS $options $binary_file > readelf.out" got
foreach xfail $xfails {
setup_xfail $xfail
}
if ![string match "" $got] then {
fail "readelf $options (reason: unexpected output)"
send_log $got
send_log "\n"
return
}
set target_machine ""
if [istarget "mips*-*-*"] then {
if { [istarget "mips*-*-*linux*"] } then {
set target_machine tmips
} else {
set target_machine mips
}
}
if { $target_machine != "" && [file exists $srcdir/$subdir/$regexp_file-$readelf_size-$target_machine] } then {
set regexp_file $regexp_file-$readelf_size-$target_machine
} elseif { $target_machine != "" && [file exists $srcdir/$subdir/$regexp_file-$target_machine] } then {
set regexp_file $regexp_file-$target_machine
} elseif { [file exists $srcdir/$subdir/$regexp_file-$readelf_size] } then {
set regexp_file $regexp_file-$readelf_size
}
if { [regexp_diff readelf.out $srcdir/$subdir/$regexp_file] } then {
fail "readelf $options"
verbose "output is \n[file_contents readelf.out]" 2
return
}
pass "readelf $options"
}
# Simple proc to skip certain expected warning messages.
proc prune_readelf_wi_warnings { text } {
regsub -all "(^|\n)(.*Skipping unexpected symbol type.*)" $text "\\1" text
return $text
}
# Testing the "readelf -wi" option is difficult because there
# is no guaranteed order to the output, and because some ports
# will use indirect string references, whilst others will use
# direct references. So instead of having an expected output
# file, like the other readelf tests, we grep for strings that
# really ought to be there.
proc readelf_wi_test {} {
global READELF
global READELFFLAGS
global srcdir
global subdir
# Compile the second test file.
if { [target_compile $srcdir/$subdir/testprog.c tmpdir/testprog.o object debug] != "" } {
verbose "Unable to compile test file."
untested "readelf -wi"
return
}
# Download it.
set tempfile [remote_download host tmpdir/testprog.o]
# Run "readelf -wi" on it.
send_log "exec $READELF $READELFFLAGS -wi $tempfile > readelf.out\n"
catch "exec $READELF $READELFFLAGS -wi $tempfile > readelf.out" got
# Upload the results.
set output [remote_upload host readelf.out]
file_on_host delete $tempfile
# Strip any superflous warnings.
set got [prune_readelf_wi_warnings $got]
if ![string match "" $got] then {
fail "readelf $options (reason: unexpected output)"
send_log $got
send_log "\n"
return
}
if ![file size $output] then {
# If the output file is empty, then this target does not
# generate dwarf2 output. This is not a failure.
verbose "No output from 'readelf -wi'"
untested "readelf -wi"
return
}
# Search for strings that should be in the output.
set sought {
".*DW_TAG_compile_unit.*"
".*DW_TAG_subprogram.*"
".*DW_TAG_base_type.*"
".*DW_AT_producer.*(GNU C|indirect string).*"
".*DW_AT_language.*ANSI C.*"
".*DW_AT_name.*(testprog.c|indirect string).*"
".*DW_AT_name.*fn.*"
".*DW_AT_name.*(main|indirect string).*"
".*\(DW_OP_addr: 0\).*"
}
foreach looked_for $sought {
set lines [grep $output $looked_for]
if ![llength $lines] then {
fail "readelf -wi: missing: $looked_for"
send_log readelf.out
return
}
}
file_on_host delete $output
# All done.
pass "readelf -wi"
}
# Exclude non-ELF targets.
if ![is_elf_format] {
verbose "$READELF is only intended for ELF targets" 2
return
}
if ![is_remote host] {
if {[which $READELF] == 0} then {
perror "$READELF does not exist"
return
}
}
send_user "Version [binutil_version $READELF]"
# Assemble the test file.
if {![binutils_assemble $srcdir/$subdir/bintest.s tmpdir/bintest.o]} then {
perror "unresolved 1"
unresolved "readelf - failed to assemble"
return
}
if ![is_remote host] {
set tempfile tmpdir/bintest.o
} else {
set tempfile [remote_download host tmpdir/bintest.o]
}
# First, determine the size, so specific output matchers can be used.
readelf_find_size $tempfile
# Run the tests.
readelf_test -h $tempfile readelf.h {}
readelf_test -S $tempfile readelf.s {}
readelf_test -s $tempfile readelf.ss {}
readelf_test -r $tempfile readelf.r {}
readelf_wi_test