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
  32 #
  33 # OBJC_UNDER_TEST is the compiler under test.
  34 #
  35
  36 #
  37 # default_objc_version -- extract and print the version number of the compiler
  38 #
  39
  40 proc default_objc_version { } {
  41     global OBJC_UNDER_TEST
  42
  43     objc_init;
  44
  45     # ignore any arguments after the command
  46     set compiler [lindex $OBJC_UNDER_TEST 0]
  47
  48     if ![is_remote host] {
  49         set compiler_name [which $compiler];
  50     } else {
  51         set compiler_name $compiler;
  52     }
  53
  54     # verify that the compiler exists
  55     if { $compiler_name != 0 } then {
  56         set tmp [remote_exec host "$compiler -v"]
  57         set status [lindex $tmp 0];
  58         set output [lindex $tmp 1];
  59         regexp " version \[^\n\r\]*" $output version
  60         if { $status == 0 && [info exists version] } then {
  61             clone_output "$compiler_name $version\n"
  62         } else {
  63             clone_output "Couldn't determine version of $compiler_name: $output\n"
  64         }
  65     } else {
  66         # compiler does not exist (this should have already been detected)
  67         warning "$compiler does not exist"
  68     }
  69 }
  70
  71 #
  72 # Call objc_version. We do it this way so we can override it if needed.
  73 #
  74 proc objc_version { } {
  75     default_objc_version;
  76 }
  77
  78 #
  79 # objc_init -- called at the start of each .exp script.
  80 #
  81 # There currently isn't much to do, but always using it allows us to
  82 # make some enhancements without having to go back and rewrite the scripts.
  83 #
  84
  85 set objc_initialized 0
  86
  87 proc objc_init { args } {
  88     global rootme
  89     global tmpdir
  90     global libdir
  91     global gluefile wrap_flags
  92     global objc_initialized
  93     global OBJC_UNDER_TEST
  94     global TOOL_EXECUTABLE
  95     global objc_libgcc_s_path
  96
  97     # We set LC_ALL and LANG to C so that we get the same error messages as expected.
  98     setenv LC_ALL C
  99     setenv LANG C
 100
 101     if { $objc_initialized == 1 } { return; }
 102
 103     if ![info exists OBJC_UNDER_TEST] then {
 104         if [info exists TOOL_EXECUTABLE] {
 105             set OBJC_UNDER_TEST $TOOL_EXECUTABLE;
 106         } else {
 107             set OBJC_UNDER_TEST [find_gcc]
 108         }
 109     }
 110
 111     if ![info exists tmpdir] then {
 112         set tmpdir /tmp
 113     }
 114
 115     objc_maybe_build_wrapper "${tmpdir}/objc-testglue.o"
 116
 117     set objc_libgcc_s_path "${rootme}"
 118     set compiler [lindex $OBJC_UNDER_TEST 0]
 119     if { [is_remote host] == 0 && [which $compiler] != 0 } {
 120         foreach i "[exec $compiler --print-multi-lib]" {
 121             set mldir ""
 122             regexp -- "\[a-z0-9=/\.-\]*;" $i mldir
 123             set mldir [string trimright $mldir "\;@"]
 124             if { "$mldir" == "." } {
 125                 continue
 126             }
 127             if { [llength [glob -nocomplain ${rootme}/${mldir}/libgcc_s*.so.*]] >= 1 } {
 128                 append objc_libgcc_s_path ":${rootme}/${mldir}"
 129             }
 130         }
 131     }
 132 }
 133
 134 proc objc_target_compile { source dest type options } {
 135     global rootme;
 136     global tmpdir;
 137     global gluefile wrap_flags;
 138     global srcdir
 139     global OBJC_UNDER_TEST
 140     global TOOL_OPTIONS
 141     global ld_library_path
 142     global objc_libgcc_s_path
 143
 144     set ld_library_path ".:${objc_libgcc_s_path}"
 145     lappend options "libs=-lobjc"
 146
 147     if { [target_info needs_status_wrapper]!="" && [info exists gluefile] } {
 148         lappend options "libs=${gluefile}"
 149         lappend options "ldflags=$wrap_flags"
 150     }
 151
 152     if [target_info exists objc,stack_size] {
 153         lappend options "additional_flags=-DSTACK_SIZE=[target_info objc,stack_size]"
 154     }
 155     if [target_info exists objc,no_trampolines] {
 156         lappend options "additional_flags=-DNO_TRAMPOLINES"
 157     }
 158     if [target_info exists objc,no_label_values] {
 159         lappend options "additional_flags=-DNO_LABEL_VALUES"
 160     }
 161     # TOOL_OPTIONS must come first, so that it doesn't override testcase
 162     # specific options.
 163     if [info exists TOOL_OPTIONS] {
 164         set options [concat "additional_flags=$TOOL_OPTIONS" $options];
 165     }
 166
 167     # If we have built libobjc along with the compiler (which usually
 168     # _is not_ the case on Mac OS X systems), point the test harness
 169     # at it (and associated headers).
 170
 171     set objcpath "[get_multilibs]"
 172
 173     set libobjc_dir [lookfor_file ${objcpath} libobjc/.libs/libobjc.a]
 174     if { $libobjc_dir == ""} {
 175       verbose "see if we have -fgnu-runtime in [target_info name]"
 176       if [regexp ".*-fgnu-runtime.*" [target_info name]] {
 177         set libobjc_dir [lookfor_file ${objcpath} libobjc/.libs/libobjc-gnu.a]
 178       }
 179     }
 180     if { $libobjc_dir != "" } {
 181         set objc_include_dir "${srcdir}/../../libobjc"
 182         lappend options "additional_flags=-I${objc_include_dir}"
 183         set libobjc_dir [file dirname ${libobjc_dir}]
 184         set objc_link_flags "-L${libobjc_dir}"
 185         lappend options "additional_flags=${objc_link_flags}"
 186         append ld_library_path ":${libobjc_dir}"
 187     }
 188     lappend options "compiler=$OBJC_UNDER_TEST"
 189
 190     # On IRIX 6, we have to set variables akin to LD_LIBRARY_PATH, but
 191     # called LD_LIBRARYN32_PATH (for the N32 ABI) and LD_LIBRARY64_PATH
 192     # (for the 64-bit ABI).  The right way to do this would be to modify
 193     # unix.exp -- but that's not an option since it's part of DejaGNU
 194     # proper, so we do it here.
 195     # The same applies to Darwin (DYLD_LIBRARY_PATH), Solaris 32 bit
 196     # (LD_LIBRARY_PATH_32), Solaris 64 bit (LD_LIBRARY_PATH_64), and HP-UX
 197     # (SHLIB_PATH).
 198     setenv  LD_LIBRARY_PATH     $ld_library_path
 199     setenv  SHLIB_PATH          $ld_library_path
 200     setenv  LD_LIBRARYN32_PATH  $ld_library_path
 201     setenv  LD_LIBRARY64_PATH   $ld_library_path
 202     setenv  LD_LIBRARY_PATH_32  $ld_library_path
 203     setenv  LD_LIBRARY_PATH_64  $ld_library_path
 204     setenv  DYLD_LIBRARY_PATH   $ld_library_path
 205
 206     return [target_compile $source $dest $type $options]
 207 }
 208
 209 #
 210 # objc_pass -- utility to record a testcase passed
 211 #
 212
 213 proc objc_pass { testcase cflags } {
 214     if { "$cflags" == "" } {
 215         pass "$testcase"
 216     } else {
 217         pass "$testcase, $cflags"
 218     }
 219 }
 220
 221 #
 222 # objc_fail -- utility to record a testcase failed
 223 #
 224
 225 proc objc_fail { testcase cflags } {
 226     if { "$cflags" == "" } {
 227         fail "$testcase"
 228     } else {
 229         fail "$testcase, $cflags"
 230     }
 231 }
 232
 233 #
 234 # objc_finish -- called at the end of every .exp script that calls objc_init
 235 #
 236 # The purpose of this proc is to hide all quirks of the testing environment
 237 # from the testsuites.  It also exists to undo anything that objc_init did
 238 # (that needs undoing).
 239 #
 240
 241 proc objc_finish { } {
 242     # The testing harness apparently requires this.
 243     global errorInfo;
 244
 245     if [info exists errorInfo] then {
 246         unset errorInfo
 247     }
 248
 249     # Might as well reset these (keeps our caller from wondering whether
 250     # s/he has to or not).
 251     global prms_id bug_id
 252     set prms_id 0
 253     set bug_id 0
 254 }
 255
 256 proc objc_exit { } {
 257     global gluefile;
 258
 259     if [info exists gluefile] {
 260         file_on_build delete $gluefile;
 261         unset gluefile;
 262     }
 263 }
 264
 265 # If this is an older version of dejagnu (without runtest_file_p),
 266 # provide one and assume the old syntax: foo1.exp bar1.c foo2.exp bar2.c.
 267 # This can be deleted after next dejagnu release.
 268
 269 if { [info procs runtest_file_p] == "" } then {
 270     proc runtest_file_p { runtests testcase } {
 271         if { $runtests != "" && [regexp "\[.\]\[cC\]" $runtests] } then {
 272             if { [lsearch $runtests [file tail $testcase]] >= 0 } then {
 273                 return 1
 274             } else {
 275                 return 0
 276             }
 277         }
 278         return 1
 279     }
 280 }
 281
 282 # Provide a definition of this if missing (delete after next dejagnu release).
 283
 284 if { [info procs prune_warnings] == "" } then {
 285     proc prune_warnings { text } {
 286         return $text
 287     }
 288 }
 289
 290 # Utility used by mike-gcc.exp and c-torture.exp.
 291 # Check the compiler(/assembler/linker) output for text indicating that
 292 # the testcase should be marked as "unsupported".
 293 #
 294 # When dealing with a large number of tests, it's difficult to weed out the
 295 # ones that are too big for a particular cpu (eg: 16 bit with a small amount
 296 # of memory).  There are various ways to deal with this.  Here's one.
 297 # Fortunately, all of the cases where this is likely to happen will be using
 298 # gld so we can tell what the error text will look like.
 299
 300 proc ${tool}_check_unsupported_p { output } {
 301     if [regexp "(^|\n)\[^\n\]*: region \[^\n\]* is full" $output] {
 302         return "memory full"
 303     }
 304     return ""
 305 }
 306
 307 # Prune messages from objc that aren't useful.
 308
 309 proc prune_objc_output { text } {
 310     #send_user "Before:$text\n"
 311     regsub -all "(^|\n)\[^\n\]*: In (function|method) \[^\n\]*" $text "" text
 312     regsub -all "(^|\n)\[^\n\]*: At top level:\[^\n\]*" $text "" text
 313
 314     # It would be nice to avoid passing anything to objc that would cause it to
 315     # issue these messages (since ignoring them seems like a hack on our part),
 316     # but that's too difficult in the general case.  For example, sometimes
 317     # you need to use -B to point objc at crt0.o, but there are some targets
 318     # that don't have crt0.o.
 319     regsub -all "(^|\n)\[^\n\]*file path prefix \[^\n\]* never used" $text "" text
 320     regsub -all "(^|\n)\[^\n\]*linker input file unused since linking not done" $text "" text
 321
 322     #send_user "After:$text\n"
 323
 324     return $text
 325 }
 326