binutils/testsuite/lib/binutils-common.exp

   1 # Copyright (C) 1993-2015 Free Software Foundation, Inc.
   2 #
   3 # This file is part of the GNU Binutils.
   4 #
   5 # This file is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 3 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program; if not, write to the Free Software
  17 # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  18 # MA 02110-1301, USA.
  19
  20 # True if the object format is known to be ELF.
  21 #
  22 proc is_elf_format {} {
  23     if { ![istarget *-*-sysv4*]
  24          && ![istarget *-*-unixware*]
  25          && ![istarget *-*-elf*]
  26          && ![istarget *-*-eabi*]
  27          && ![istarget *-*-rtems*]
  28          && ![istarget hppa*64*-*-hpux*]
  29          && ![istarget ia64-*-hpux*]
  30          && ![istarget *-*-linux*]
  31          && ![istarget *-*-gnu*]
  32          && ![istarget *-*-nacl*]
  33          && ![istarget frv-*-uclinux*]
  34          && ![istarget bfin-*-uclinux]
  35          && ![istarget sh*-*-uclinux*]
  36          && ![istarget tic6x*-*-uclinux*]
  37          && ![istarget *-*-irix5*]
  38          && ![istarget *-*-irix6*]
  39          && ![istarget *-*-freebsd*]
  40          && ![istarget *-*-netbsd*]
  41          && ![istarget *-*-openbsd*]
  42          && ![istarget *-*-solaris2*] } {
  43         return 0
  44     }
  45
  46     if { [istarget i?86-*-freebsd\[12\].*] } {
  47         return 0
  48     }
  49
  50     if { [istarget *-*-linux*aout*]
  51          || [istarget *-*-linux*ecoff*]
  52          || [istarget *-*-linux*oldld*]
  53          || [istarget h8500-*-rtems*]
  54          || [istarget i960-*-rtems*]
  55          || [istarget *-*-rtemscoff*] } {
  56         return 0
  57     }
  58
  59     if { ![istarget *-*-netbsdelf*]
  60          && ([istarget *-*-netbsd*aout*]
  61              || [istarget *-*-netbsdpe*]
  62              || [istarget arm*-*-netbsd*]
  63              || [istarget sparc-*-netbsd*]
  64              || [istarget i*86-*-netbsd*]
  65              || [istarget m68*-*-netbsd*]
  66              || [istarget vax-*-netbsd*]
  67              || [istarget ns32k-*-netbsd*]) } {
  68         return 0
  69     }
  70
  71     if { [istarget arm-*-openbsd*]
  72          || [istarget i386-*-openbsd\[0-2\].*]
  73          || [istarget i386-*-openbsd3.\[0-2\]]
  74          || [istarget m68*-*-openbsd*]
  75          || [istarget ns32k-*-openbsd*]
  76          || [istarget sparc-*-openbsd\[0-2\].*]
  77          || [istarget sparc-*-openbsd3.\[0-1\]]
  78          || [istarget vax-*-openbsd*] } {
  79         return 0
  80     }
  81
  82     return 1
  83 }
  84
  85 # True if the object format is known to be a.out.
  86 #
  87 proc is_aout_format {} {
  88     if { [istarget *-*-netbsdelf]
  89          || [istarget sparc64-*-netbsd*]
  90          || [istarget sparc64-*-openbsd*] } {
  91         return 0
  92     }
  93     if { [istarget *-*-*\[ab\]out*]
  94          || [istarget *-*-linux*oldld*]
  95          || [istarget *-*-bsd*]
  96          || [istarget *-*-msdos*]
  97          || [istarget arm-*-netbsd*]
  98          || [istarget arm-*-openbsd*]
  99          || [istarget arm-*-riscix*]
 100          || [istarget i?86-*-freebsd\[12\].*]
 101          || [istarget i?86-*-netbsd*]
 102          || [istarget i?86-*-openbsd\[0-2\]*]
 103          || [istarget i?86-*-openbsd3.\[0-2\]*]
 104          || [istarget i?86-*-vsta]
 105          || [istarget i?86-*-mach*]
 106          || [istarget m68*-*-netbsd*]
 107          || [istarget m68*-*-openbsd*]
 108          || [istarget ns32k-*-*]
 109          || [istarget pdp11-*-*]
 110          || [istarget sparc*-*-sunos4*]
 111          || [istarget sparc*-*-netbsd*]
 112          || [istarget sparc*-*-openbsd\[0-2\]*]
 113          || [istarget sparc*-*-openbsd3.\[0-1\]*]
 114          || [istarget sparc*-fujitsu-none]
 115          || [istarget vax-dec-ultrix*]
 116          || [istarget vax-*-netbsd] } {
 117         return 1
 118     }
 119     return 0
 120 }
 121
 122 # True if the object format is known to be PE COFF.
 123 #
 124 proc is_pecoff_format {} {
 125     if { ![istarget *-*-mingw*]
 126          && ![istarget *-*-cygwin*]
 127          && ![istarget *-*-cegcc*]
 128          && ![istarget *-*-pe*] } {
 129         return 0
 130     }
 131
 132     return 1
 133 }
 134
 135 # True if the object format is known to be 64-bit ELF.
 136 #
 137 proc is_elf64 { binary_file } {
 138     global READELF
 139     global READELFFLAGS
 140
 141     set readelf_size ""
 142     catch "exec $READELF $READELFFLAGS -h $binary_file > readelf.out" got
 143
 144     if ![string match "" $got] then {
 145         return 0
 146     }
 147
 148     if { ![regexp "\n\[ \]*Class:\[ \]*ELF(\[0-9\]+)\n" \
 149            [file_contents readelf.out] nil readelf_size] } {
 150         return 0
 151     }
 152
 153     if { $readelf_size == "64" } {
 154         return 1
 155     }
 156
 157     return 0
 158 }
 159
 160 # Compare two files line-by-line.  FILE_1 is the actual output and FILE_2
 161 # is the expected output.  Ignore blank lines in either file.
 162 #
 163 # FILE_2 is a series of regexps, comments and # directives.  The directives
 164 # are:
 165 #
 166 #    #pass
 167 #        Treat the test as a PASS if everything up till this point has
 168 #        matched.  Ignore any remaining lines in either FILE_1 or FILE_2.
 169 #
 170 #    #failif
 171 #        Reverse the sense of the test: expect differences to exist.
 172 #
 173 #    #...
 174 #    REGEXP
 175 #        Skip all lines in FILE_1 until the first that matches REGEXP.
 176 #
 177 # Other # lines are comments.  Regexp lines starting with the `!' character
 178 # specify inverse matching (use `\!' for literal matching against a leading
 179 # `!').  Skip empty lines in both files.
 180 #
 181 # The first optional argument is a list of regexp substitutions of the form:
 182 #
 183 #    EXP1 SUBSPEC1 EXP2 SUBSPEC2 ...
 184 #
 185 # This tells the function to apply each regexp substitution EXPi->SUBSPECi
 186 # in order to every line of FILE_2.
 187 #
 188 # Return nonzero if differences exist.
 189 proc regexp_diff { file_1 file_2 args } {
 190     set eof -1
 191     set end_1 0
 192     set end_2 0
 193     set differences 0
 194     set diff_pass 0
 195     set fail_if_match 0
 196     set ref_subst ""
 197     if { [llength $args] > 0 } {
 198         set ref_subst [lindex $args 0]
 199     }
 200     if { [llength $args] > 1 } {
 201         perror "Too many arguments to regexp_diff"
 202         return 1
 203     }
 204
 205     if [file exists $file_1] then {
 206         set file_a [open $file_1 r]
 207     } else {
 208         perror "$file_1 doesn't exist"
 209         return 1
 210     }
 211
 212     if [file exists $file_2] then {
 213         set file_b [open $file_2 r]
 214     } else {
 215         perror "$file_2 doesn't exist"
 216         close $file_a
 217         return 1
 218     }
 219
 220     verbose " Regexp-diff'ing: $file_1 $file_2" 2
 221
 222     while { 1 } {
 223         set line_a ""
 224         set line_b ""
 225         while { [string length $line_a] == 0 } {
 226             # Ignore blank line in FILE_1.
 227             if { [gets $file_a line_a] == $eof } {
 228                 set end_1 1
 229                 break
 230             }
 231         }
 232         while { [string length $line_b] == 0 || [string match "#*" $line_b] } {
 233             if { [string match "#pass" $line_b] } {
 234                 set end_2 1
 235                 set diff_pass 1
 236                 break
 237             } elseif { [string match "#failif" $line_b] } {
 238                 send_log "fail if no difference\n"
 239                 verbose "fail if no difference" 3
 240                 set fail_if_match 1
 241             } elseif { [string match "#..." $line_b] } {
 242                 if { [gets $file_b line_b] == $eof } {
 243                     set end_2 1
 244                     set diff_pass 1
 245                     break
 246                 }
 247                 set negated [expr { [string index $line_b 0] == "!" }]
 248                 set line_bx [string range $line_b $negated end]
 249                 set n [expr { $negated ? "! " : "" }]
 250                 # Substitute on the reference.
 251                 foreach {name value} $ref_subst {
 252                     regsub -- $name $line_bx $value line_bx
 253                 }
 254                 verbose "looking for $n\"^$line_bx$\"" 3
 255                 while { [expr [regexp "^$line_bx$" "$line_a"] == $negated] } {
 256                     verbose "skipping    \"$line_a\"" 3
 257                     if { [gets $file_a line_a] == $eof } {
 258                         set end_1 1
 259                         break
 260                     }
 261                 }
 262                 break
 263             }
 264             if { [gets $file_b line_b] == $eof } {
 265                 set end_2 1
 266                 break
 267             }
 268         }
 269
 270         if { $diff_pass } {
 271             break
 272         } elseif { $end_1 && $end_2 } {
 273             break
 274         } elseif { $end_1 } {
 275             send_log "extra regexps in $file_2 starting with \"^$line_b$\"\nEOF from $file_1\n"
 276             verbose "extra regexps in $file_2 starting with \"^$line_b$\"\nEOF from $file_1" 3
 277             set differences 1
 278             break
 279         } elseif { $end_2 } {
 280             send_log "extra lines in $file_1 starting with \"^$line_a$\"\nEOF from $file_2\n"
 281             verbose "extra lines in $file_1 starting with \"^$line_a$\"\nEOF from $file_2\n" 3
 282             set differences 1
 283             break
 284         } else {
 285             set negated [expr { [string index $line_b 0] == "!" }]
 286             set line_bx [string range $line_b $negated end]
 287             set n [expr { $negated ? "! " : "" }]
 288             set s [expr { $negated ? "  " : "" }]
 289             # Substitute on the reference.
 290             foreach {name value} $ref_subst {
 291                 regsub -- $name $line_bx $value line_bx
 292             }
 293             verbose "regexp $n\"^$line_bx$\"\nline   \"$line_a\"" 3
 294             if { [expr [regexp "^$line_bx$" "$line_a"] == $negated] } {
 295                 send_log "regexp_diff match failure\n"
 296                 send_log "regexp $n\"^$line_bx$\"\nline   $s\"$line_a\"\n"
 297                 verbose "regexp_diff match failure\n" 3
 298                 set differences 1
 299             }
 300         }
 301     }
 302
 303     if { $differences == 0 && !$diff_pass && [eof $file_a] != [eof $file_b] } {
 304         send_log "$file_1 and $file_2 are different lengths\n"
 305         verbose "$file_1 and $file_2 are different lengths" 3
 306         set differences 1
 307     }
 308
 309     if { $fail_if_match } {
 310         if { $differences == 0 } {
 311             set differences 1
 312         } else {
 313             set differences 0
 314         }
 315     }
 316
 317     close $file_a
 318     close $file_b
 319
 320     return $differences
 321 }