old-autovect-branch/gcc/testsuite/lib/objc.exp

   1 # Copyright (C) 1992, 1993, 1994, 1996, 1997, 2000, 2001, 2002, 2004, 2005
   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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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 $OBJC_UNDER_TEST]
 119 }
 120
 121 proc objc_target_compile { source dest type options } {
 122     global rootme
 123     global tmpdir
 124     global gluefile wrap_flags
 125     global srcdir
 126     global OBJC_UNDER_TEST
 127     global TOOL_OPTIONS
 128     global ld_library_path
 129     global objc_libgcc_s_path
 130     global shlib_ext
 131
 132     set ld_library_path ".:${objc_libgcc_s_path}"
 133     lappend options "libs=-lobjc"
 134     set shlib_ext [get_shlib_extension]
 135     verbose "shared lib extension: $shlib_ext"
 136
 137     if { [target_info needs_status_wrapper]!="" && [info exists gluefile] } {
 138         lappend options "libs=${gluefile}"
 139         lappend options "ldflags=$wrap_flags"
 140     }
 141
 142     if [target_info exists objc,stack_size] {
 143         lappend options "additional_flags=-DSTACK_SIZE=[target_info objc,stack_size]"
 144     }
 145     if [target_info exists objc,no_trampolines] {
 146         lappend options "additional_flags=-DNO_TRAMPOLINES"
 147     }
 148     if [target_info exists objc,no_label_values] {
 149         lappend options "additional_flags=-DNO_LABEL_VALUES"
 150     }
 151     # TOOL_OPTIONS must come first, so that it doesn't override testcase
 152     # specific options.
 153     if [info exists TOOL_OPTIONS] {
 154         set options [concat "{additional_flags=$TOOL_OPTIONS}" $options]
 155     }
 156
 157     # If we have built libobjc along with the compiler (which usually
 158     # _is not_ the case on Mac OS X systems), point the test harness
 159     # at it (and associated headers).
 160
 161     set objcpath "[get_multilibs]"
 162
 163     set libobjc_dir [lookfor_file ${objcpath} libobjc/.libs/libobjc.a]
 164     if { $libobjc_dir == ""} {
 165       verbose "see if we have -fgnu-runtime in options"
 166       if [regexp ".*-fgnu-runtime.*" "${options}"] {
 167         set libobjc_dir [lookfor_file ${objcpath} libobjc/.libs/libobjc-gnu.a]
 168       }
 169     }
 170     # Now check if we have a shared only build.
 171     if { $libobjc_dir == ""} {
 172      set libobjc_dir \
 173          [lookfor_file ${objcpath} libobjc/.libs/libobjc.${shlib_ext}]
 174     }
 175     if { $libobjc_dir == ""} {
 176         verbose "see if we have -fgnu-runtime in options"
 177         if [regexp ".*-fgnu-runtime.*" "${options}"] {
 178          set libobjc_dir \
 179              [lookfor_file ${objcpath} libobjc/.libs/libobjc-gnu.${shlib_ext}]
 180         }
 181     }
 182     if { $libobjc_dir != "" } {
 183         set objc_include_dir "${srcdir}/../../libobjc"
 184         lappend options "additional_flags=-I${objc_include_dir}"
 185         set libobjc_dir [file dirname ${libobjc_dir}]
 186         set objc_link_flags "-L${libobjc_dir}"
 187         lappend options "additional_flags=${objc_link_flags}"
 188         append ld_library_path ":${libobjc_dir}"
 189     }
 190     lappend options "compiler=$OBJC_UNDER_TEST"
 191
 192     set_ld_library_path_env_vars
 193
 194     return [target_compile $source $dest $type $options]
 195 }
 196
 197 #
 198 # objc_pass -- utility to record a testcase passed
 199 #
 200
 201 proc objc_pass { testcase cflags } {
 202     if { "$cflags" == "" } {
 203         pass "$testcase"
 204     } else {
 205         pass "$testcase, $cflags"
 206     }
 207 }
 208
 209 #
 210 # objc_fail -- utility to record a testcase failed
 211 #
 212
 213 proc objc_fail { testcase cflags } {
 214     if { "$cflags" == "" } {
 215         fail "$testcase"
 216     } else {
 217         fail "$testcase, $cflags"
 218     }
 219 }
 220
 221 #
 222 # objc_finish -- called at the end of every .exp script that calls objc_init
 223 #
 224 # The purpose of this proc is to hide all quirks of the testing environment
 225 # from the testsuites.  It also exists to undo anything that objc_init did
 226 # (that needs undoing).
 227 #
 228
 229 proc objc_finish { } {
 230     # The testing harness apparently requires this.
 231     global errorInfo
 232
 233     if [info exists errorInfo] then {
 234         unset errorInfo
 235     }
 236
 237     # Might as well reset these (keeps our caller from wondering whether
 238     # s/he has to or not).
 239     global prms_id bug_id
 240     set prms_id 0
 241     set bug_id 0
 242 }
 243
 244 proc objc_exit { } {
 245     global gluefile
 246
 247     if [info exists gluefile] {
 248         file_on_build delete $gluefile
 249         unset gluefile
 250     }
 251 }
 252
 253 # If this is an older version of dejagnu (without runtest_file_p),
 254 # provide one and assume the old syntax: foo1.exp bar1.c foo2.exp bar2.c.
 255 # This can be deleted after next dejagnu release.
 256
 257 if { [info procs runtest_file_p] == "" } then {
 258     proc runtest_file_p { runtests testcase } {
 259         if { $runtests != "" && [regexp "\[.\]\[cC\]" $runtests] } then {
 260             if { [lsearch $runtests [file tail $testcase]] >= 0 } then {
 261                 return 1
 262             } else {
 263                 return 0
 264             }
 265         }
 266         return 1
 267     }
 268 }
 269
 270 # Provide a definition of this if missing (delete after next dejagnu release).
 271
 272 if { [info procs prune_warnings] == "" } then {
 273     proc prune_warnings { text } {
 274         return $text
 275     }
 276 }
 277
 278 # Utility used by mike-gcc.exp and c-torture.exp.
 279 # Check the compiler(/assembler/linker) output for text indicating that
 280 # the testcase should be marked as "unsupported".
 281 #
 282 # When dealing with a large number of tests, it's difficult to weed out the
 283 # ones that are too big for a particular cpu (eg: 16 bit with a small amount
 284 # of memory).  There are various ways to deal with this.  Here's one.
 285 # Fortunately, all of the cases where this is likely to happen will be using
 286 # gld so we can tell what the error text will look like.
 287
 288 proc ${tool}_check_unsupported_p { output } {
 289     if [regexp "(^|\n)\[^\n\]*: region \[^\n\]* is full" $output] {
 290         return "memory full"
 291     }
 292     return ""
 293 }
 294
 295 # Prune messages from objc that aren't useful.
 296
 297 proc prune_objc_output { text } {
 298     #send_user "Before:$text\n"
 299     regsub -all "(^|\n)\[^\n\]*: In (function|method) \[^\n\]*" $text "" text
 300     regsub -all "(^|\n)\[^\n\]*: At top level:\[^\n\]*" $text "" text
 301
 302     # It would be nice to avoid passing anything to objc that would cause it to
 303     # issue these messages (since ignoring them seems like a hack on our part),
 304     # but that's too difficult in the general case.  For example, sometimes
 305     # you need to use -B to point objc at crt0.o, but there are some targets
 306     # that don't have crt0.o.
 307     regsub -all "(^|\n)\[^\n\]*file path prefix \[^\n\]* never used" $text "" text
 308     regsub -all "(^|\n)\[^\n\]*linker input file unused since linking not done" $text "" text
 309
 310     #send_user "After:$text\n"
 311
 312     return $text
 313 }
 314