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