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         send_log $got
 189         fail "readelf $options"
 190         return
 191     }
 192
 193     set target_machine ""
 194     if [istarget "mips*-*-*"] then {
 195         if { [istarget mips*el-*-*] || [istarget "mips*-*-*linux*"] } then {
 196             set target_machine tmips
 197         } else {
 198             set target_machine mips
 199         }
 200     }
 201
 202     if { $target_machine != "" && [file exists $srcdir/$subdir/$regexp_file-$readelf_size-$target_machine] } then {
 203         set regexp_file $regexp_file-$readelf_size-$target_machine
 204     } elseif { $target_machine != "" && [file exists $srcdir/$subdir/$regexp_file-$target_machine] } then {
 205         set regexp_file $regexp_file-$target_machine
 206     } elseif { [file exists $srcdir/$subdir/$regexp_file-$readelf_size] } then {
 207         set regexp_file $regexp_file-$readelf_size
 208     }
 209
 210     if { [regexp_diff readelf.out $srcdir/$subdir/$regexp_file] } then {
 211         fail "readelf $options"
 212         verbose "output is \n[file_contents readelf.out]" 2
 213         return
 214     }
 215
 216     pass "readelf $options"
 217 }
 218
 219
 220
 221 # Only ELF based toolchains need readelf.
 222 # For now be paranoid and assume that if ELF is not mentioned
 223 # in the target string, then the target is not an ELF based port.
 224
 225 if { ![istarget *-*-elf*] \
 226      && ![istarget *-*-linux*] \
 227      && ![istarget i?86-*-sysv4*] \
 228      && ![istarget i?86-*-unixware] \
 229      && ![istarget mips*-*-irix5*] \
 230      && ![istarget mips*-*-irix6*] \
 231      && ![istarget powerpc-*-sysv4*] \
 232      && ![istarget sparc*-*-solaris2*] } {
 233     verbose "$READELF is only intended for ELF targets" 2
 234     return
 235 }
 236
 237 if { [istarget *-*-linux*oldld*] \
 238      || [istarget *-*-linux*aout*] } {
 239     verbose "$READELF is only intended for ELF targets" 2
 240     return
 241 }
 242
 243 if ![is_remote host] {
 244     if {[which $READELF] == 0} then {
 245         perror "$READELF does not exist"
 246         return
 247     }
 248 }
 249
 250 send_user "Version [binutil_version $READELF]"
 251
 252 # Assemble the test file.
 253 if {![binutils_assemble $srcdir/$subdir/bintest.s tmpdir/bintest.o]} then {
 254     perror "unresolved 1"
 255     unresolved "readelf - failed to assemble"
 256     return
 257 }
 258
 259 if ![is_remote host] {
 260     set tempfile tmpdir/bintest.o;
 261 } else {
 262     set tempfile [remote_download host tmpdir/bintest.o]
 263 }
 264
 265 # First, determine the size, so specific output matchers can be used.
 266 readelf_find_size $tempfile
 267
 268 # Run the tests.
 269 readelf_test -h $tempfile readelf.h  {}
 270 readelf_test -S $tempfile readelf.s  {}
 271 readelf_test -s $tempfile readelf.ss {}
 272 readelf_test -r $tempfile readelf.r  {}
 273
 274
 275 # Compile the second test file.
 276 if { [target_compile $srcdir/$subdir/testprog.c tmpdir/testprog.o object debug] != "" } {
 277     untested "readelf -w"
 278     return
 279 }
 280
 281 if [is_remote host] {
 282     set tempfile [remote_download host tmpdir/testprog.o];
 283 } else {
 284     set tempfile tmpdir/testprog.o
 285 }
 286
 287 # The xfail targets here do not default to DWARF2 format debug information
 288 # The symptom is that the output of 'readelf -wi' is empty.
 289
 290 readelf_test -wi $tempfile readelf.wi {v850*-*-* cris-*-* *-*-linux*}