gas/testsuite/lib/gas-defs.exp

   1 # Copyright (C) 1993, 1994 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., 675 Mass Ave, Cambridge, MA 02139, USA.  */
  16
  17 # Please email any bugs, comments, and/or additions to this file to:
  18 # DejaGnu@cygnus.com
  19
  20 # This file was written by Ken Raeburn (raeburn@cygnus.com).
  21
  22 proc gas_version {} {
  23     global AS
  24     catch "exec $AS -version < /dev/null" tmp
  25     # Should find a way to discard constant parts, keep whatever's
  26     # left, so the version string could be almost anything at all...
  27     regexp "version (cygnus-|)\[-0-9.a-zA-Z-\]+" $tmp version
  28     set tmp $version
  29     clone_output "[which $AS] $version\n"
  30     unset tmp
  31     unset version
  32 }
  33
  34 proc gas_run { prog as_opts redir } {
  35     global AS
  36     global ASFLAGS
  37     global comp_output
  38     global srcdir
  39     global subdir
  40
  41     verbose "Executing $AS $ASFLAGS $as_opts $prog $redir"
  42     catch "exec $srcdir/lib/run $AS $ASFLAGS $as_opts $srcdir/$subdir/$prog $redir" comp_output
  43 }
  44
  45 proc all_ones { args } {
  46     foreach x $args { if [expr $x!=1] { return 0 } }
  47     return 1
  48 }
  49
  50 proc gas_start { prog as_opts } {
  51     global AS
  52     global ASFLAGS
  53     global srcdir
  54     global subdir
  55     global spawn_id
  56
  57     verbose "Starting $AS $ASFLAGS $as_opts $prog" 2
  58     catch {
  59         spawn -noecho -nottyinit $srcdir/lib/run $AS $ASFLAGS $as_opts $srcdir/$subdir/$prog
  60     } foo
  61     if ![regexp {^[0-9]+} $foo] then {
  62         perror "Can't run $subdir/$prog: $foo"
  63     }
  64 }
  65
  66 proc gas_finish { } {
  67     global spawn_id
  68
  69     catch "close"
  70     catch "wait"
  71 }
  72
  73 proc want_no_output { testname } {
  74     global comp_output
  75
  76     if ![string match "" $comp_output] then {
  77         send_log "$comp_output\n"
  78         verbose "$comp_output" 3
  79     }
  80     if [string match "" $comp_output] then {
  81         pass "$testname"
  82         return 1
  83     } else {
  84         fail "$testname"
  85         return 0
  86     }
  87 }
  88
  89 proc gas_test_old { file as_opts testname } {
  90     gas_run $file $as_opts ""
  91     return [want_no_output $testname]
  92 }
  93
  94 proc gas_test { file as_opts var_opts testname } {
  95     global comp_output
  96
  97     set i 0
  98     foreach word $var_opts {
  99         set ignore_stdout($i) [string match "*>" $word]
 100         set opt($i) [string trim $word {>}]
 101         incr i
 102     }
 103     set max [expr 1<<$i]
 104     for {set i 0} {[expr $i<$max]} {incr i} {
 105         set maybe_ignore_stdout ""
 106         set extra_opts ""
 107         for {set bit 0} {(1<<$bit)<$max} {incr bit} {
 108             set num [expr 1<<$bit]
 109             if [expr $i&$num] then {
 110                 set extra_opts "$extra_opts $opt($bit)"
 111                 if $ignore_stdout($bit) then {
 112                     set maybe_ignore_stdout ">/dev/null"
 113                 }
 114             }
 115         }
 116         set extra_opts [string trim $extra_opts]
 117         gas_run $file "$as_opts $extra_opts" $maybe_ignore_stdout
 118
 119         # Should I be able to use a conditional expression here?
 120         if [string match "" $extra_opts] then {
 121             want_no_output $testname
 122         } else {
 123             want_no_output "$testname ($extra_opts)"
 124         }
 125     }
 126     if [info exists errorInfo] then {
 127         unset errorInfo
 128     }
 129 }
 130
 131 proc gas_test_ignore_stdout { file as_opts testname } {
 132     global comp_output
 133
 134     gas_run $file $as_opts ">/dev/null"
 135     want_no_output $testname
 136 }
 137
 138 proc gas_test_error { file as_opts testname } {
 139     global comp_output
 140
 141     gas_run $file $as_opts ">/dev/null"
 142     if ![string match "" $comp_output] then {
 143         send_log "$comp_output\n"
 144         verbose "$comp_output" 3
 145     }
 146     if [string match "" $comp_output] then {
 147         fail "$testname"
 148     } else {
 149         pass "$testname"
 150     }
 151 }
 152
 153 proc gas_exit {} {}
 154
 155 proc gas_init {} {
 156     global target_cpu
 157     global target_cpu_family
 158     global target_family
 159     global target_vendor
 160     global target_os
 161     global stdoptlist
 162
 163     case "$target_cpu" in {
 164         "m68???"                { set target_cpu_family m68k }
 165         "i[34]86"               { set target_cpu_family i386 }
 166         default                 { set target_cpu_family $target_cpu }
 167     }
 168
 169     set target_family "$target_cpu_family-$target_vendor-$target_os"
 170     set stdoptlist "-a>"
 171     # Need to return an empty string.
 172     return
 173 }
 174
 175 # For easier reading.
 176 proc fail_phase { name phase opts } {
 177     set opts [string trim $opts]
 178     if { $opts == "" } {
 179         fail "$name ($phase)"
 180     } else {
 181         fail "$name ($phase: $opts)"
 182     }
 183 }
 184
 185 # This proc requires two input files -- the .s file containing the
 186 # assembly source, and a .d file containing the expected output from
 187 # objdump or nm or whatever, and leading comments indicating any options
 188 # to be passed to the assembler or dump program.
 189 proc run_dump_test { name } {
 190     global subdir srcdir
 191     global OBJDUMP NM AS
 192     global OBJDUMPFLAGS NMFLAGS ASFLAGS
 193
 194     set file "$srcdir/$subdir/$name"
 195     set opt_array [slurp_options "${file}.d"]
 196     set opts(as) {}
 197     set opts(objdump) {}
 198     set opts(nm) {}
 199     set opts(name) {}
 200     set opts(PROG) {}
 201     set opts(source) {}
 202
 203     foreach i $opt_array {
 204         set opt_name [lindex $i 0]
 205         set opt_val [lindex $i 1]
 206         if ![info exists opts($opt_name)] {
 207             perror "unknown option $opt_name in file $file.d"
 208             return
 209         }
 210         if [string length $opts($opt_name)] {
 211             perror "option $opt_name multiply set in $file.d"
 212             return
 213         }
 214         set opts($opt_name) $opt_val
 215     }
 216
 217     if {$opts(PROG) != ""} {
 218         switch -- $opts(PROG) {
 219             objdump
 220                 { set program objdump }
 221             nm
 222                 { set program nm }
 223             default
 224                 { perror "unrecognized program option $opts(PROG) in $file.d"
 225                   return }
 226         }
 227     } elseif {$opts(objdump) == "" && $opts(nm) != ""} {
 228         set program nm
 229     } elseif {$opts(objdump) != "" && $opts(nm) == ""} {
 230         set program objdump
 231     } else {
 232         perror "dump program unspecified in $file.d"
 233         return
 234     }
 235     set progopts1 $opts($program)
 236     eval set progopts \$[string toupper $program]FLAGS
 237     eval set program \$[string toupper $program]
 238     if { $opts(name) == "" } { set testname "$subdir/$name" } else { set testname $opts(name) }
 239
 240     if { $opts(source) == "" } {
 241         set sourcefile ${file}.s
 242     } else {
 243         set sourcefile $srcdir/$subdir/$opts(source)
 244     }
 245
 246     catch "exec $srcdir/lib/run $AS $ASFLAGS $opts(as) $sourcefile" comp_output
 247
 248     if ![string match "" $comp_output] then {
 249         send_log "$comp_output\n"
 250         verbose "$comp_output" 3
 251         fail_phase $testname assembly "$ASFLAGS $opts(as)"
 252         return
 253     }
 254
 255     if { $progopts1 == "" } { set $progopts1 "-r" }
 256     if [catch "exec $program $progopts $progopts1 > dump.out" comp_output] {
 257         fail_phase $testname {running objdump} "$progopts $progopts1"
 258         return
 259     }
 260
 261     if { [regexp_diff "dump.out" "${file}.d"] } then {
 262         fail_phase $testname {checking output} "$ASFLAGS $opts(as)"
 263         return
 264     }
 265
 266     pass $testname
 267 }
 268
 269 proc slurp_options { file } {
 270     if [catch { set f [open $file r] } x] {
 271         perror "couldn't open `$file': $x"
 272     }
 273     set opt_array {}
 274     # whitespace expression
 275     set ws  {[  ]*}
 276     set nws {[^         ]*}
 277     # whitespace is ignored anywhere except within the options list;
 278     # option names are alphabetic only
 279     set pat "^#${ws}(\[a-zA-Z\]*)$ws:${ws}(.*)$ws\$"
 280     while { [gets $f line] != -1 } {
 281         set line [string trim $line]
 282         # Whitespace here is space-tab.
 283         if [regexp $pat $line xxx opt_name opt_val] {
 284             # match!
 285             lappend opt_array [list $opt_name $opt_val]
 286         } else {
 287             break
 288         }
 289     }
 290     close $f
 291     return $opt_array
 292 }
 293
 294 proc objdump { opts } {
 295     global OBJDUMP
 296     global comp_output
 297
 298     catch "exec $OBJDUMP $opts" comp_output
 299     verbose "objdump output=$comp_output\n" 3
 300 }
 301
 302 proc objdump_start_no_subdir { prog opts } {
 303     global OBJDUMP
 304     global srcdir
 305     global spawn_id
 306
 307     verbose "Starting $OBJDUMP $opts $prog" 2
 308     catch {
 309         spawn -noecho -nottyinit $srcdir/lib/run $OBJDUMP $opts $prog
 310     } foo
 311     if ![regexp {^[0-9]+} $foo] then {
 312         perror "Can't run $prog: $foo"
 313     }
 314 }
 315
 316 proc objdump_finish { } {
 317     global spawn_id
 318
 319     catch "close"
 320     catch "wait"
 321 }
 322
 323 # Default timeout is 10 seconds, loses on a slow machine.  But some
 324 # configurations of dejagnu may override it.
 325 if {$timeout<120} then { set timeout 120 }
 326
 327 expect_after {
 328     timeout                     { perror "timeout" }
 329     "virtual memory exhausted"  { perror "virtual memory exhausted" }
 330     buffer_full                 { perror "buffer full" }
 331     eof                         { perror "eof" }
 332 }
 333
 334 # regexp_diff, based on simple_diff taken from ld test suite
 335 #       compares two files line-by-line
 336 #       file1 contains strings, file2 contains regexps and #-comments
 337 #       blank lines are ignored in either file
 338 #       returns non-zero if differences exist
 339 #
 340 proc regexp_diff { file_1 file_2 } {
 341
 342     set eof -1
 343     set end 0
 344     set differences 0
 345
 346     if [file exists $file_1] then {
 347         set file_a [open $file_1 r]
 348     } else {
 349         warning "$file_1 doesn't exist"
 350         return 1
 351     }
 352
 353     if [file exists $file_2] then {
 354         set file_b [open $file_2 r]
 355     } else {
 356         fail "$file_2 doesn't exist"
 357         close $file_a
 358         return 1
 359     }
 360
 361     verbose " Regexp-diff'ing: $file_1 $file_2" 2
 362
 363     while { $differences == 0 && $end == 0 } {
 364         set line_a ""
 365         set line_b ""
 366         while { [string length $line_a] == 0 } {
 367             if { [gets $file_a line_a] == $eof } {
 368                 set end 1
 369                 break
 370             }
 371         }
 372         while { [string length $line_b] == 0 || [string match "#*" $line_b] } {
 373             if { [gets $file_b line_b] == $eof } {
 374                 set end 1
 375                 break
 376             }
 377         }
 378         if { $end } { break }
 379         verbose "regexp \"^$line_b$\"\nline   \"$line_a\"" 3
 380         if ![regexp "^$line_b$" "$line_a"] {
 381                 send_log "regexp_diff match failure\n"
 382                 send_log "regexp \"^$line_b$\"\nline   \"$line_a\"\n"
 383                 set differences 1
 384         }
 385     }
 386
 387     if { $differences == 0 && [eof $file_a] != [eof $file_b] } {
 388         send_log "different lengths\n"
 389         verbose "different lengths" 3
 390         set differences 1
 391     }
 392
 393     close $file_a
 394     close $file_b
 395
 396     return $differences
 397 }