gcc/testsuite/lib/objc.exp

   1 # Copyright (C) 1992, 1993, 1994, 1996, 1997, 2000, 2001, 2002, 2004
   2 # Free Software Foundation, Inc.
   3
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 2 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program; if not, write to the Free Software
  16 # Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17
  18 # This file was written by Rob Savoye (rob@cygnus.com)
  19 # Currently maintained by Doug Evans (dje@cygnus.com)
  20
  21 # This file is loaded by the tool init file (eg: unix.exp).  It provides
  22 # default definitions for objc_start, etc. and other supporting cast members.
  23
  24 # These globals are used by objc_start if no compiler arguments are provided.
  25 # They are also used by the various testsuites to define the environment:
  26 # where to find stdio.h, libc.a, etc.
  27
  28 load_lib libgloss.exp
  29 load_lib prune.exp
  30 load_lib gcc-defs.exp
  31 load_lib target-libpath.exp
  32
  33 #
  34 # OBJC_UNDER_TEST is the compiler under test.
  35 #
  36
  37 #
  38 # default_objc_version -- extract and print the version number of the compiler
  39 #
  40
  41 proc default_objc_version { } {
  42     global OBJC_UNDER_TEST
  43
  44     objc_init
  45
  46     # ignore any arguments after the command
  47     set compiler [lindex $OBJC_UNDER_TEST 0]
  48
  49     if ![is_remote host] {
  50         set compiler_name [which $compiler]
  51     } else {
  52         set compiler_name $compiler
  53     }
  54
  55     # verify that the compiler exists
  56     if { $compiler_name != 0 } then {
  57         set tmp [remote_exec host "$compiler -v"]
  58         set status [lindex $tmp 0]
  59         set output [lindex $tmp 1]
  60         regexp " version \[^\n\r\]*" $output version
  61         if { $status == 0 && [info exists version] } then {
  62             clone_output "$compiler_name $version\n"
  63         } else {
  64             clone_output "Couldn't determine version of $compiler_name: $output\n"
  65         }
  66     } else {
  67         # compiler does not exist (this should have already been detected)
  68         warning "$compiler does not exist"
  69     }
  70 }
  71
  72 #
  73 # Call objc_version. We do it this way so we can override it if needed.
  74 #
  75 proc objc_version { } {
  76     default_objc_version
  77 }
  78
  79 #
  80 # objc_init -- called at the start of each .exp script.
  81 #
  82 # There currently isn't much to do, but always using it allows us to
  83 # make some enhancements without having to go back and rewrite the scripts.
  84 #
  85
  86 set objc_initialized 0
  87
  88 proc objc_init { args } {
  89     global rootme
  90     global tmpdir
  91     global libdir
  92     global gluefile wrap_flags
  93     global objc_initialized
  94     global OBJC_UNDER_TEST
  95     global TOOL_EXECUTABLE
  96     global objc_libgcc_s_path
  97
  98     # We set LC_ALL and LANG to C so that we get the same error messages as expected.
  99     setenv LC_ALL C
 100     setenv LANG C
 101
 102     if { $objc_initialized == 1 } { return; }
 103
 104     if ![info exists OBJC_UNDER_TEST] then {
 105         if [info exists TOOL_EXECUTABLE] {
 106             set OBJC_UNDER_TEST $TOOL_EXECUTABLE
 107         } else {
 108             set OBJC_UNDER_TEST [find_gcc]
 109         }
 110     }
 111
 112     if ![info exists tmpdir] then {
 113         set tmpdir /tmp
 114     }
 115
 116     objc_maybe_build_wrapper "${tmpdir}/objc-testglue.o"
 117
 118     append objc_libgcc_s_path [gcc-set-multilib-library-path $OBJC_UNDER_TEST]
 119 }
 120
 121 proc objc_target_compile { source dest type options } {
 122     global rootme
 123     global tmpdir
 124     global gluefile wrap_flags
 125     global srcdir
 126     global OBJC_UNDER_TEST
 127     global TOOL_OPTIONS
 128     global ld_library_path
 129     global objc_libgcc_s_path
 130
 131     set ld_library_path ".:${objc_libgcc_s_path}"
 132     lappend options "libs=-lobjc"
 133
 134     if { [target_info needs_status_wrapper]!="" && [info exists gluefile] } {
 135         lappend options "libs=${gluefile}"
 136         lappend options "ldflags=$wrap_flags"
 137     }
 138
 139     if [target_info exists objc,stack_size] {
 140         lappend options "additional_flags=-DSTACK_SIZE=[target_info objc,stack_size]"
 141     }
 142     if [target_info exists objc,no_trampolines] {
 143         lappend options "additional_flags=-DNO_TRAMPOLINES"
 144     }
 145     if [target_info exists objc,no_label_values] {
 146         lappend options "additional_flags=-DNO_LABEL_VALUES"
 147     }
 148     # TOOL_OPTIONS must come first, so that it doesn't override testcase
 149     # specific options.
 150     if [info exists TOOL_OPTIONS] {
 151         set options [concat "{additional_flags=$TOOL_OPTIONS}" $options]
 152     }
 153
 154     # If we have built libobjc along with the compiler (which usually
 155     # _is not_ the case on Mac OS X systems), point the test harness
 156     # at it (and associated headers).
 157
 158     set objcpath "[get_multilibs]"
 159
 160     set libobjc_dir [lookfor_file ${objcpath} libobjc/.libs/libobjc.a]
 161     if { $libobjc_dir == ""} {
 162       verbose "see if we have -fgnu-runtime in [target_info name]"
 163       if [regexp ".*-fgnu-runtime.*" [target_info name]] {
 164         set libobjc_dir [lookfor_file ${objcpath} libobjc/.libs/libobjc-gnu.a]
 165       }
 166     }
 167     if { $libobjc_dir != "" } {
 168         set objc_include_dir "${srcdir}/../../libobjc"
 169         lappend options "additional_flags=-I${objc_include_dir}"
 170         set libobjc_dir [file dirname ${libobjc_dir}]
 171         set objc_link_flags "-L${libobjc_dir}"
 172         lappend options "additional_flags=${objc_link_flags}"
 173         append ld_library_path ":${libobjc_dir}"
 174     }
 175     lappend options "compiler=$OBJC_UNDER_TEST"
 176
 177     set_ld_library_path_env_vars
 178
 179     return [target_compile $source $dest $type $options]
 180 }
 181
 182 #
 183 # objc_pass -- utility to record a testcase passed
 184 #
 185
 186 proc objc_pass { testcase cflags } {
 187     if { "$cflags" == "" } {
 188         pass "$testcase"
 189     } else {
 190         pass "$testcase, $cflags"
 191     }
 192 }
 193
 194 #
 195 # objc_fail -- utility to record a testcase failed
 196 #
 197
 198 proc objc_fail { testcase cflags } {
 199     if { "$cflags" == "" } {
 200         fail "$testcase"
 201     } else {
 202         fail "$testcase, $cflags"
 203     }
 204 }
 205
 206 #
 207 # objc_finish -- called at the end of every .exp script that calls objc_init
 208 #
 209 # The purpose of this proc is to hide all quirks of the testing environment
 210 # from the testsuites.  It also exists to undo anything that objc_init did
 211 # (that needs undoing).
 212 #
 213
 214 proc objc_finish { } {
 215     # The testing harness apparently requires this.
 216     global errorInfo
 217
 218     if [info exists errorInfo] then {
 219         unset errorInfo
 220     }
 221
 222     # Might as well reset these (keeps our caller from wondering whether
 223     # s/he has to or not).
 224     global prms_id bug_id
 225     set prms_id 0
 226     set bug_id 0
 227 }
 228
 229 proc objc_exit { } {
 230     global gluefile
 231
 232     if [info exists gluefile] {
 233         file_on_build delete $gluefile
 234         unset gluefile
 235     }
 236 }
 237
 238 # If this is an older version of dejagnu (without runtest_file_p),
 239 # provide one and assume the old syntax: foo1.exp bar1.c foo2.exp bar2.c.
 240 # This can be deleted after next dejagnu release.
 241
 242 if { [info procs runtest_file_p] == "" } then {
 243     proc runtest_file_p { runtests testcase } {
 244         if { $runtests != "" && [regexp "\[.\]\[cC\]" $runtests] } then {
 245             if { [lsearch $runtests [file tail $testcase]] >= 0 } then {
 246                 return 1
 247             } else {
 248                 return 0
 249             }
 250         }
 251         return 1
 252     }
 253 }
 254
 255 # Provide a definition of this if missing (delete after next dejagnu release).
 256
 257 if { [info procs prune_warnings] == "" } then {
 258     proc prune_warnings { text } {
 259         return $text
 260     }
 261 }
 262
 263 # Utility used by mike-gcc.exp and c-torture.exp.
 264 # Check the compiler(/assembler/linker) output for text indicating that
 265 # the testcase should be marked as "unsupported".
 266 #
 267 # When dealing with a large number of tests, it's difficult to weed out the
 268 # ones that are too big for a particular cpu (eg: 16 bit with a small amount
 269 # of memory).  There are various ways to deal with this.  Here's one.
 270 # Fortunately, all of the cases where this is likely to happen will be using
 271 # gld so we can tell what the error text will look like.
 272
 273 proc ${tool}_check_unsupported_p { output } {
 274     if [regexp "(^|\n)\[^\n\]*: region \[^\n\]* is full" $output] {
 275         return "memory full"
 276     }
 277     return ""
 278 }
 279
 280 # Prune messages from objc that aren't useful.
 281
 282 proc prune_objc_output { text } {
 283     #send_user "Before:$text\n"
 284     regsub -all "(^|\n)\[^\n\]*: In (function|method) \[^\n\]*" $text "" text
 285     regsub -all "(^|\n)\[^\n\]*: At top level:\[^\n\]*" $text "" text
 286
 287     # It would be nice to avoid passing anything to objc that would cause it to
 288     # issue these messages (since ignoring them seems like a hack on our part),
 289     # but that's too difficult in the general case.  For example, sometimes
 290     # you need to use -B to point objc at crt0.o, but there are some targets
 291     # that don't have crt0.o.
 292     regsub -all "(^|\n)\[^\n\]*file path prefix \[^\n\]* never used" $text "" text
 293     regsub -all "(^|\n)\[^\n\]*linker input file unused since linking not done" $text "" text
 294
 295     #send_user "After:$text\n"
 296
 297     return $text
 298 }
 299