1 # Copyright 1999, 2000, 2001, 2003, 2004 Free Software Foundation, Inc.
3 # This program is free software; you can redistribute it and/or modify
4 # it under the terms of the GNU General Public License as published by
5 # the Free Software Foundation; either version 2 of the License, or
6 # (at your option) any later version.
8 # This program is distributed in the hope that it will be useful,
9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 # GNU General Public License for more details.
13 # You should have received a copy of the GNU General Public License
14 # along with this program; if not, write to the Free Software
15 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17 # Please email any bugs, comments, and/or additions to this file to:
18 # bug-dejagnu@prep.ai.mit.edu
20 # Written by Nick Clifton <nickc@cygnus.com>
21 # Based on scripts written by Ian Lance Taylor <ian@cygnus.com>
22 # and Ken Raeburn <raeburn@cygnus.com>.
24 # First some helpful procedures, then the tests themselves
26 # Return the contents of the filename given
27 proc file_contents { filename } {
28 set file [open $filename r]
29 set contents [read $file]
34 # regexp_diff, based on simple_diff taken from ld test suite
35 # compares two files line-by-line
36 # file1 contains strings, file2 contains regexps and #-comments
37 # blank lines are ignored in either file
38 # returns non-zero if differences exist
40 proc regexp_diff { file_1 file_2 } {
48 if [file exists $file_1] then {
49 set file_a [open $file_1 r]
51 warning "$file_1 doesn't exist"
55 if [file exists $file_2] then {
56 set file_b [open $file_2 r]
58 fail "$file_2 doesn't exist"
63 verbose " Regexp-diff'ing: $file_1 $file_2" 2
68 while { [string length $line_a] == 0 } {
69 if { [gets $file_a line_a] == $eof } {
74 while { [string length $line_b] == 0 || [string match "#*" $line_b] } {
75 if [ string match "#pass" $line_b ] {
79 } elseif [ string match "#..." $line_b ] {
80 if { [gets $file_b line_b] == $eof } {
84 verbose "looking for \"^$line_b$\"" 3
85 while { ![regexp "^$line_b$" "$line_a"] } {
86 verbose "skipping \"$line_a\"" 3
87 if { [gets $file_a line_a] == $eof } {
94 if { [gets $file_b line_b] == $eof } {
102 } elseif { $end_1 && $end_2 } {
104 } elseif { $end_1 } {
105 send_log "extra regexps in $file_2 starting with \"^$line_b$\"\nEOF from $file_1\n"
106 verbose "extra regexps in $file_2 starting with \"^$line_b$\"\nEOF from $file_1" 3
109 } elseif { $end_2 } {
110 send_log "extra lines in $file_1 starting with \"^$line_a$\"\nEOF from $file_2\n"
111 verbose "extra lines in $file_1 starting with \"^$line_a$\"\nEOF from $file_2\n" 3
115 verbose "regexp \"^$line_b$\"\nline \"$line_a\"" 3
116 if ![regexp "^$line_b$" "$line_a"] {
117 send_log "regexp_diff match failure\n"
118 send_log "regexp \"^$line_b$\"\nline \"$line_a\"\n"
124 if { $differences == 0 && !$diff_pass && [eof $file_a] != [eof $file_b] } {
125 send_log "$file_1 and $file_2 are different lengths\n"
126 verbose "$file_1 and $file_2 are different lengths" 3
136 # Find out the size by reading the output of the EI_CLASS field.
137 # Similar to the test for readelf -h, but we're just looking for the
138 # EI_CLASS line here.
139 proc readelf_find_size { binary_file } {
145 set testname "finding out ELF size with readelf -h"
146 catch "exec $READELF $READELFFLAGS -h $binary_file > readelf.out" got
148 if ![string match "" $got] then {
154 if { ! [regexp "\n\[ \]*Class:\[ \]*ELF(\[0-9\]+)\n" \
155 [file_contents readelf.out] nil readelf_size] } {
156 verbose -log "EI_CLASS field not found in output"
157 verbose -log "output is \n[file_contents readelf.out]"
161 verbose -log "ELF size is $readelf_size"
167 # Run an individual readelf test.
168 # Basically readelf is run on the binary_file with the given options.
169 # Readelf's output is captured and then compared against the contents
170 # of the regexp_file-readelf_size if it exists, else regexp_file.
172 proc readelf_test { options binary_file regexp_file xfails } {
180 send_log "exec $READELF $READELFFLAGS $options $binary_file > readelf.out\n"
181 catch "exec $READELF $READELFFLAGS $options $binary_file > readelf.out" got
183 foreach xfail $xfails {
187 if ![string match "" $got] then {
188 fail "readelf $options (reason: unexpected output)"
194 set target_machine ""
195 if [istarget "mips*-*-*"] then {
196 if { [istarget "mips*-*-*linux*"] } then {
197 set target_machine tmips
199 set target_machine mips
203 if { $target_machine != "" && [file exists $srcdir/$subdir/$regexp_file-$readelf_size-$target_machine] } then {
204 set regexp_file $regexp_file-$readelf_size-$target_machine
205 } elseif { $target_machine != "" && [file exists $srcdir/$subdir/$regexp_file-$target_machine] } then {
206 set regexp_file $regexp_file-$target_machine
207 } elseif { [file exists $srcdir/$subdir/$regexp_file-$readelf_size] } then {
208 set regexp_file $regexp_file-$readelf_size
211 if { [regexp_diff readelf.out $srcdir/$subdir/$regexp_file] } then {
212 fail "readelf $options"
213 verbose "output is \n[file_contents readelf.out]" 2
217 pass "readelf $options"
220 # Simple proc to skip certain expected warning messages.
222 proc prune_readelf_wi_warnings { text } {
223 regsub -all "(^|\n)(.*Skipping unexpected symbol type.*)" $text "\\1" text
227 # Testing the "readelf -wi" option is difficult because there
228 # is no guaranteed order to the output, and because some ports
229 # will use indirect string references, whilst others will use
230 # direct references. So instead of having an expected output
231 # file, like the other readelf tests, we grep for strings that
232 # really ought to be there.
234 proc readelf_wi_test {} {
240 # Compile the second test file.
241 if { [target_compile $srcdir/$subdir/testprog.c tmpdir/testprog.o object debug] != "" } {
242 verbose "Unable to compile test file."
243 untested "readelf -wi"
248 set tempfile [remote_download host tmpdir/testprog.o]
250 # Run "readelf -wi" on it.
251 send_log "exec $READELF $READELFFLAGS -wi $tempfile > readelf.out\n"
252 catch "exec $READELF $READELFFLAGS -wi $tempfile > readelf.out" got
254 # Upload the results.
255 set output [remote_upload host readelf.out]
257 file_on_host delete $tempfile
259 # Strip any superflous warnings.
260 set got [prune_readelf_wi_warnings $got]
262 if ![string match "" $got] then {
263 fail "readelf $options (reason: unexpected output)"
269 if ![file size $output] then {
270 # If the output file is empty, then this target does not
271 # generate dwarf2 output. This is not a failure.
272 verbose "No output from 'readelf -wi'"
273 untested "readelf -wi"
277 # Search for strings that should be in the output.
279 ".*DW_TAG_compile_unit.*"
280 ".*DW_TAG_subprogram.*"
281 ".*DW_TAG_base_type.*"
282 ".*DW_AT_producer.*(GNU C|indirect string).*"
283 ".*DW_AT_language.*ANSI C.*"
284 ".*DW_AT_name.*(testprog.c|indirect string).*"
286 ".*DW_AT_name.*(main|indirect string).*"
287 ".*\(DW_OP_addr: 0\).*"
290 foreach looked_for $sought {
291 set lines [grep $output $looked_for]
292 if ![llength $lines] then {
293 fail "readelf -wi: missing: $looked_for"
299 file_on_host delete $output
306 # Exclude non-ELF targets.
307 if ![is_elf_format] {
308 verbose "$READELF is only intended for ELF targets" 2
312 if ![is_remote host] {
313 if {[which $READELF] == 0} then {
314 perror "$READELF does not exist"
319 send_user "Version [binutil_version $READELF]"
321 # Assemble the test file.
322 if {![binutils_assemble $srcdir/$subdir/bintest.s tmpdir/bintest.o]} then {
323 perror "unresolved 1"
324 unresolved "readelf - failed to assemble"
328 if ![is_remote host] {
329 set tempfile tmpdir/bintest.o
331 set tempfile [remote_download host tmpdir/bintest.o]
334 # First, determine the size, so specific output matchers can be used.
335 readelf_find_size $tempfile
338 readelf_test -h $tempfile readelf.h {}
339 readelf_test -S $tempfile readelf.s {}
340 readelf_test -s $tempfile readelf.ss {}
341 readelf_test -r $tempfile readelf.r {}