binutils/testsuite/binutils-all/readelf.exp

   1 #   Copyright 1999, 2000 Free Software Foundation, Inc.
   2
   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.
   7 #
   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.
  12 #
  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.
  16
  17 # Please email any bugs, comments, and/or additions to this file to:
  18 # bug-dejagnu@prep.ai.mit.edu
  19
  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>.
  23
  24 # First some helpful procedures, then the tests themselves
  25
  26 # Return the contents of the filename given
  27 proc file_contents { filename } {
  28     set file [open $filename r]
  29     set contents [read $file]
  30     close $file
  31     return $contents
  32 }
  33
  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
  39 #
  40 proc regexp_diff { file_1 file_2 } {
  41
  42     set eof -1
  43     set end_1 0
  44     set end_2 0
  45     set differences 0
  46     set diff_pass 0
  47
  48     if [file exists $file_1] then {
  49         set file_a [open $file_1 r]
  50     } else {
  51         warning "$file_1 doesn't exist"
  52         return 1
  53     }
  54
  55     if [file exists $file_2] then {
  56         set file_b [open $file_2 r]
  57     } else {
  58         fail "$file_2 doesn't exist"
  59         close $file_a
  60         return 1
  61     }
  62
  63     verbose " Regexp-diff'ing: $file_1 $file_2" 2
  64
  65     while { 1 } {
  66         set line_a ""
  67         set line_b ""
  68         while { [string length $line_a] == 0 } {
  69             if { [gets $file_a line_a] == $eof } {
  70                 set end_1 1
  71                 break
  72             }
  73         }
  74         while { [string length $line_b] == 0 || [string match "#*" $line_b] } {
  75             if [ string match "#pass" $line_b ] {
  76                 set end_2 1
  77                 set diff_pass 1
  78                 break
  79             } elseif [ string match "#..." $line_b ] {
  80                 if { [gets $file_b line_b] == $eof } {
  81                     set end_2 1
  82                     break
  83                 }
  84                 verbose "looking for \"^$line_b$\"" 3
  85                 while { ![regexp "^$line_b$" "$line_a"] } {
  86                     verbose "skipping    \"$line_a\"" 3
  87                     if { [gets $file_a line_a] == $eof } {
  88                         set end_1 1
  89                         break
  90                     }
  91                 }
  92                 break
  93             }
  94             if { [gets $file_b line_b] == $eof } {
  95                 set end_2 1
  96                 break
  97             }
  98         }
  99
 100         if { $diff_pass } {
 101             break
 102         } elseif { $end_1 && $end_2 } {
 103             break
 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
 107             set differences 1
 108             break
 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 $file_2\n" 3
 112             set differences 1
 113             break
 114         } else {
 115             verbose "regexp \"^$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"
 119                 set differences 1
 120             }
 121         }
 122     }
 123
 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
 127         set differences 1
 128     }
 129
 130     close $file_a
 131     close $file_b
 132
 133     return $differences
 134 }
 135
 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 } {
 140     global READELF
 141     global READELFFLAGS
 142     global readelf_size
 143
 144     set readelf_size ""
 145     set testname "finding out ELF size with readelf -h"
 146     catch "exec $READELF $READELFFLAGS -h $binary_file > readelf.out" got
 147
 148     if ![string match "" $got] then {
 149         send_log $got
 150         fail $testname
 151         return
 152     }
 153
 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]"
 158         fail $testname
 159         return
 160     } else {
 161         verbose -log "ELF size is $readelf_size"
 162     }
 163
 164     pass $testname
 165 }
 166
 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.
 171
 172 proc readelf_test { options binary_file regexp_file xfails } {
 173
 174     global READELF
 175     global READELFFLAGS
 176     global readelf_size
 177     global srcdir
 178     global subdir
 179
 180     send_log "exec $READELF $READELFFLAGS $options $binary_file > readelf.out\n"
 181     catch "exec $READELF $READELFFLAGS $options $binary_file > readelf.out" got
 182
 183     foreach xfail $xfails {
 184         setup_xfail $xfail
 185     }
 186
 187     if ![string match "" $got] then {
 188         fail "readelf $options (reason: unexpected output)"
 189         send_log $got
 190         send_log "\n"
 191         return
 192     }
 193
 194     set target_machine ""
 195     if [istarget "mips*-*-*"] then {
 196         if { [istarget "mips*-*-*linux*"] } then {
 197             set target_machine tmips
 198         } else {
 199             set target_machine mips
 200         }
 201     }
 202
 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
 209     }
 210
 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
 214         return
 215     }
 216
 217     pass "readelf $options"
 218 }
 219
 220 # Simple proc to skip certain expected warning messages.
 221
 222 proc prune_readelf_wi_warnings { text } {
 223     regsub -all "(^|\n)(.*Skipping unexpected symbol type.*)" $text "\\1" text
 224     return $text
 225 }
 226
 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.
 233
 234 proc readelf_wi_test {} {
 235     global READELF
 236     global READELFFLAGS
 237     global srcdir
 238     global subdir
 239
 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"
 244         return
 245     }
 246
 247     # Download it.
 248     set tempfile [remote_download host tmpdir/testprog.o];
 249
 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
 253
 254     # Upload the results.
 255     set output [remote_upload host readelf.out];
 256
 257     file_on_host delete $tempfile;
 258
 259     # Strip any superflous warnings.
 260     set got [prune_readelf_wi_warnings $got]
 261
 262     if ![string match "" $got] then {
 263         fail "readelf $options (reason: unexpected output)"
 264         send_log $got
 265         send_log "\n"
 266         return
 267     }
 268
 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"
 274         return
 275     }
 276
 277     # Search for strings that should be in the output.
 278     set sought {
 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).*"
 285         ".*DW_AT_name.*fn.*"
 286         ".*DW_AT_name.*(main|indirect string).*"
 287     }
 288
 289     foreach looked_for $sought {
 290         set lines [grep $output $looked_for]
 291         if ![llength $lines] then {
 292             fail "readelf -wi: missing: $looked_for"
 293             send_log readelf.out
 294             return
 295         }
 296     }
 297
 298     file_on_host delete $output;
 299
 300     # All done.
 301     pass "readelf -wi"
 302 }
 303
 304
 305 # Only ELF based toolchains need readelf.
 306 # For now be paranoid and assume that if ELF is not mentioned
 307 # in the target string, then the target is not an ELF based port.
 308
 309 if { ![istarget *-*-elf*] \
 310      && ![istarget *-*-linux*] \
 311      && ![istarget i?86-*-sysv4*] \
 312      && ![istarget i?86-*-unixware] \
 313      && ![istarget mips*-*-irix5*] \
 314      && ![istarget mips*-*-irix6*] \
 315      && ![istarget powerpc-*-sysv4*] \
 316      && ![istarget powerpc-*-eabi*] \
 317      && ![istarget sparc*-*-solaris2*] } {
 318     verbose "$READELF is only intended for ELF targets" 2
 319     return
 320 }
 321
 322 if { [istarget *-*-linux*oldld*] \
 323      || [istarget *-*-linux*aout*] } {
 324     verbose "$READELF is only intended for ELF targets" 2
 325     return
 326 }
 327
 328 if ![is_remote host] {
 329     if {[which $READELF] == 0} then {
 330         perror "$READELF does not exist"
 331         return
 332     }
 333 }
 334
 335 send_user "Version [binutil_version $READELF]"
 336
 337 # Assemble the test file.
 338 if {![binutils_assemble $srcdir/$subdir/bintest.s tmpdir/bintest.o]} then {
 339     perror "unresolved 1"
 340     unresolved "readelf - failed to assemble"
 341     return
 342 }
 343
 344 if ![is_remote host] {
 345     set tempfile tmpdir/bintest.o;
 346 } else {
 347     set tempfile [remote_download host tmpdir/bintest.o]
 348 }
 349
 350 # First, determine the size, so specific output matchers can be used.
 351 readelf_find_size $tempfile
 352
 353 # Run the tests.
 354 readelf_test -h $tempfile readelf.h  {}
 355 readelf_test -S $tempfile readelf.s  {}
 356 readelf_test -s $tempfile readelf.ss {}
 357 readelf_test -r $tempfile readelf.r  {}
 358
 359 readelf_wi_test