gcc/testsuite/lib/objc-torture.exp

   1 # Copyright (C) 1992-1998, 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, 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@gnu.org.
  19
  20 # This file was written by Rob Savoye. (rob@cygnus.com)
  21
  22 load_lib file-format.exp
  23
  24 # The default option list can be overridden by
  25 # TORTURE_OPTIONS="{ { list1 } ... { listN } }"
  26
  27 if ![info exists TORTURE_OPTIONS] {
  28     # It is theoretically beneficial to group all of the O2/O3 options together,
  29     # as in many cases the compiler will generate identical executables for
  30     # all of them--and the objc-torture testsuite will skip testing identical
  31     # executables multiple times.
  32     # Also note that -finline-functions is explicitly included in one of the
  33     # items below, even though -O3 is also specified, because some ports may
  34     # choose to disable inlining functions by default, even when optimizing.
  35     set TORTURE_OPTIONS [list \
  36         { -O0 } \
  37         { -O1 } \
  38         { -O2 } \
  39         { -O3 -fomit-frame-pointer } \
  40         { -O3 -fomit-frame-pointer -funroll-loops } \
  41         { -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions } \
  42         { -O3 -g } \
  43         { -Os } ]
  44 }
  45
  46
  47 # Split TORTURE_OPTIONS into two choices: one for testcases with loops and
  48 # one for testcases without loops.
  49
  50 set torture_with_loops $TORTURE_OPTIONS
  51 set torture_without_loops ""
  52 foreach option $TORTURE_OPTIONS {
  53     if ![string match "*loop*" $option] {
  54         lappend torture_without_loops $option
  55     }
  56 }
  57
  58 #
  59 # objc-torture-compile -- runs the Tege OBJC-torture test
  60 #
  61 # SRC is the full pathname of the testcase.
  62 # OPTION is the specific compiler flag we're testing (eg: -O2).
  63 #
  64 proc objc-torture-compile { src option } {
  65     global output
  66     global srcdir tmpdir
  67     global host_triplet
  68
  69     set output "$tmpdir/[file tail [file rootname $src]].o"
  70
  71     regsub "^$srcdir/?" $src "" testcase
  72     # If we couldn't rip $srcdir out of `src' then just do the best we can.
  73     # The point is to reduce the unnecessary noise in the logs.  Don't strip
  74     # out too much because different testcases with the same name can confuse
  75     # `test-tool'.
  76     if [string match "/*" $testcase] {
  77         set testcase "[file tail [file dirname $src]]/[file tail $src]"
  78     }
  79
  80     verbose "Testing $testcase, $option" 1
  81
  82     # Run the compiler and analyze the results.
  83     set options ""
  84     lappend options "additional_flags=-w $option"
  85
  86     set comp_output [objc_target_compile "$src" "$output" object $options];
  87     objc_check_compile $testcase $option $output $comp_output
  88     remote_file build delete $output
  89 }
  90
  91 #
  92 # objc-torture-execute -- utility to compile and execute a testcase
  93 #
  94 # SRC is the full pathname of the testcase.
  95 #
  96 # If the testcase has an associated .x file, we source that to run the
  97 # test instead.  We use .x so that we don't lengthen the existing filename
  98 # to more than 14 chars.
  99 #
 100 proc objc-torture-execute { src args } {
 101     global tmpdir tool srcdir output compiler_conditional_xfail_data
 102
 103     if { [llength $args] > 0 } {
 104         set additional_flags [lindex $args 0];
 105     } else {
 106         set additional_flags "";
 107     }
 108     # Check for alternate driver.
 109     if [file exists [file rootname $src].x] {
 110         verbose "Using alternate driver [file rootname [file tail $src]].x" 2
 111         set done_p 0
 112         catch "set done_p \[source [file rootname $src].x\]"
 113         if { $done_p } {
 114             return
 115         }
 116     }
 117
 118     # Look for a loop within the source code - if we don't find one,
 119     # don't pass -funroll[-all]-loops.
 120     global torture_with_loops torture_without_loops
 121     if [expr [search_for $src "for*("]+[search_for $src "while*("]] then {
 122         set option_list $torture_with_loops
 123     } else {
 124         set option_list $torture_without_loops
 125     }
 126
 127     set executable $tmpdir/[file tail [file rootname $src].x]
 128
 129     regsub "^$srcdir/?" $src "" testcase
 130     # If we couldn't rip $srcdir out of `src' then just do the best we can.
 131     # The point is to reduce the unnecessary noise in the logs.  Don't strip
 132     # out too much because different testcases with the same name can confuse
 133     # `test-tool'.
 134     if [string match "/*" $testcase] {
 135         set testcase "[file tail [file dirname $src]]/[file tail $src]"
 136     }
 137
 138     set count 0;
 139     set oldstatus "foo";
 140     foreach option $option_list {
 141         if { $count > 0 } {
 142             set oldexec $execname;
 143         }
 144         set execname "${executable}${count}";
 145         incr count;
 146
 147         # torture_{compile,execute}_xfail are set by the .x script
 148         # (if present)
 149         if [info exists torture_compile_xfail] {
 150             setup_xfail $torture_compile_xfail
 151         }
 152
 153         # torture_execute_before_{compile,execute} can be set by the .x script
 154         # (if present)
 155         if [info exists torture_eval_before_compile] {
 156             set ignore_me [eval $torture_eval_before_compile]
 157         }
 158
 159         remote_file build delete $execname;
 160         verbose "Testing $testcase, $option" 1
 161
 162         set options ""
 163         lappend options "additional_flags=-w $option"
 164         if { $additional_flags != "" } {
 165             lappend options "additional_flags=$additional_flags";
 166         }
 167         set comp_output [objc_target_compile "$src" "${execname}" executable $options];
 168
 169         if ![objc_check_compile "$testcase compilation" $option $execname $comp_output] {
 170             unresolved "$testcase execution, $option"
 171             remote_file build delete $execname
 172             continue
 173         }
 174
 175         # See if this source file uses "long long" types, if it does, and
 176         # no_long_long is set, skip execution of the test.
 177         if [target_info exists no_long_long] then {
 178             if [expr [search_for $src "long long"]] then {
 179                 unsupported "$testcase execution, $option"
 180                 continue
 181             }
 182         }
 183
 184         if [info exists torture_execute_xfail] {
 185             setup_xfail $torture_execute_xfail
 186         }
 187
 188         if [info exists torture_eval_before_execute] {
 189             set ignore_me [eval $torture_eval_before_execute]
 190         }
 191
 192
 193         # Sometimes we end up creating identical executables for two
 194         # consecutive sets of different of compiler options.
 195         #
 196         # In such cases we know the result of this test will be identical
 197         # to the result of the last test.
 198         #
 199         # So in cases where the time to load and run/simulate the test
 200         # is relatively high, compare the two binaries and avoid rerunning
 201         # tests if the executables are identical.
 202         #
 203         # Do not do this for native testing since the cost to load/execute
 204         # the test is fairly small and the comparison step actually slows
 205         # the entire process down because it usually does not "hit".
 206         set skip 0;
 207         if { ![isnative] && [info exists oldexec] } {
 208             if { [remote_file build cmp $oldexec $execname] == 0 } {
 209                 set skip 1;
 210             }
 211         }
 212         if { $skip == 0 } {
 213             set result [objc_load "$execname" "" ""]
 214             set status [lindex $result 0];
 215             set output [lindex $result 1];
 216         }
 217         if { $oldstatus == "pass" } {
 218             remote_file build delete $oldexec;
 219         }
 220         $status "$testcase execution, $option"
 221         set oldstatus $status;
 222     }
 223     if [info exists status] {
 224         if { $status == "pass" } {
 225             remote_file build delete $execname;
 226         }
 227     }
 228 }
 229
 230 #
 231 # search_for -- looks for a string match in a file
 232 #
 233 proc search_for { file pattern } {
 234     set fd [open $file r]
 235     while { [gets $fd cur_line]>=0 } {
 236         if [string match "*$pattern*" $cur_line] then {
 237             close $fd
 238             return 1
 239         }
 240     }
 241     close $fd
 242     return 0
 243 }
 244
 245 #
 246 # objc-torture -- the objc-torture testcase source file processor
 247 #
 248 # This runs compilation only tests (no execute tests).
 249 # SRC is the full pathname of the testcase, or just a file name in which case
 250 # we prepend $srcdir/$subdir.
 251 #
 252 # If the testcase has an associated .x file, we source that to run the
 253 # test instead.  We use .x so that we don't lengthen the existing filename
 254 # to more than 14 chars.
 255 #
 256 proc objc-torture { args } {
 257     global srcdir subdir compiler_conditional_xfail_data
 258
 259     set src [lindex $args 0];
 260     if { [llength $args] > 1 } {
 261         set options [lindex $args 1];
 262     } else {
 263         set options ""
 264     }
 265
 266     # Prepend $srdir/$subdir if missing.
 267     if ![string match "*/*" $src] {
 268         set src "$srcdir/$subdir/$src"
 269     }
 270
 271     # Check for alternate driver.
 272     if [file exists [file rootname $src].x] {
 273         verbose "Using alternate driver [file rootname [file tail $src]].x" 2
 274         set done_p 0
 275         catch "set done_p \[source [file rootname $src].x\]"
 276         if { $done_p } {
 277             return
 278         }
 279     }
 280
 281     # Look for a loop within the source code - if we don't find one,
 282     # don't pass -funroll[-all]-loops.
 283     global torture_with_loops torture_without_loops
 284     if [expr [search_for $src "for*("]+[search_for $src "while*("]] then {
 285         set option_list $torture_with_loops
 286     } else {
 287         set option_list $torture_without_loops
 288     }
 289
 290     # loop through all the options
 291     foreach option $option_list {
 292         # torture_compile_xfail is set by the .x script (if present)
 293         if [info exists torture_compile_xfail] {
 294             setup_xfail $torture_compile_xfail
 295         }
 296
 297         # torture_execute_before_compile is set by the .x script (if present)
 298         if [info exists torture_eval_before_compile] {
 299             set ignore_me [eval $torture_eval_before_compile]
 300         }
 301
 302         objc-torture-compile $src "$option $options"
 303     }
 304 }