gcc/testsuite/lib/objc.exp

   1 # Copyright (C) 1992, 1993, 1994, 1996, 1997, 2000, 2001 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 # This file was written by Rob Savoye (rob@cygnus.com)
  18 # Currently maintained by Doug Evans (dje@cygnus.com)
  19
  20 # This file is loaded by the tool init file (eg: unix.exp).  It provides
  21 # default definitions for objc_start, etc. and other supporting cast members.
  22
  23 # These globals are used by objc_start if no compiler arguments are provided.
  24 # They are also used by the various testsuites to define the environment:
  25 # where to find stdio.h, libc.a, etc.
  26
  27 #
  28 # OBJC_UNDER_TEST is the compiler under test.
  29 #
  30
  31 #
  32 # default_objc_version -- extract and print the version number of the compiler
  33 #
  34
  35 proc default_objc_version { } {
  36     global OBJC_UNDER_TEST
  37
  38     objc_init;
  39
  40     # ignore any arguments after the command
  41     set compiler [lindex $OBJC_UNDER_TEST 0]
  42
  43     if ![is_remote host] {
  44         set compiler_name [which $compiler];
  45     } else {
  46         set compiler_name $compiler;
  47     }
  48
  49     # verify that the compiler exists
  50     if { $compiler_name != 0 } then {
  51         set tmp [remote_exec host "$compiler -v"]
  52         set status [lindex $tmp 0];
  53         set output [lindex $tmp 1];
  54         regexp "version.*$" $output version
  55         if { $status == 0 && [info exists version] } then {
  56             clone_output "$compiler_name $version\n"
  57         } else {
  58             clone_output "Couldn't determine version of $compiler_name: $output\n"
  59         }
  60     } else {
  61         # compiler does not exist (this should have already been detected)
  62         warning "$compiler does not exist"
  63     }
  64 }
  65
  66 #
  67 # Call objc_version. We do it this way so we can override it if needed.
  68 #
  69 proc objc_version { } {
  70     default_objc_version;
  71 }
  72
  73 #
  74 # objc_init -- called at the start of each .exp script.
  75 #
  76 # There currently isn't much to do, but always using it allows us to
  77 # make some enhancements without having to go back and rewrite the scripts.
  78 #
  79
  80 set objc_initialized 0
  81
  82 proc objc_init { args } {
  83     global tmpdir
  84     global libdir
  85     global gluefile wrap_flags
  86     global objc_initialized
  87     global OBJC_UNDER_TEST
  88     global TOOL_EXECUTABLE
  89
  90     if { $objc_initialized == 1 } { return; }
  91
  92     if ![info exists OBJC_UNDER_TEST] then {
  93         if [info exists TOOL_EXECUTABLE] {
  94             set OBJC_UNDER_TEST $TOOL_EXECUTABLE;
  95         } else {
  96             set OBJC_UNDER_TEST [find_gcc]
  97         }
  98     }
  99
 100     if ![info exists tmpdir] then {
 101         set tmpdir /tmp
 102     }
 103     if { [target_info needs_status_wrapper]!="" && ![info exists gluefile] } {
 104         set gluefile ${tmpdir}/testglue.o;
 105         set result [build_wrapper $gluefile];
 106         if { $result != "" } {
 107             set gluefile [lindex $result 0];
 108             set wrap_flags [lindex $result 1];
 109         } else {
 110             unset gluefile
 111         }
 112     }
 113 }
 114
 115 proc objc_target_compile { source dest type options } {
 116     global tmpdir;
 117     global gluefile wrap_flags;
 118     global OBJC_UNDER_TEST
 119     global TOOL_OPTIONS
 120     global ld_library_path
 121
 122     set ld_library_path "."
 123     lappend options "libs=-lobjc"
 124
 125     # On Solaris 2.8, we need to include libposix4 inorder to get
 126     # sched_get_priority_max and such.
 127     if [ishost "sparc-sun-solaris2.8"] {
 128         lappend options "libs=-lposix4"
 129     }
 130
 131     if { [target_info needs_status_wrapper]!="" && [info exists gluefile] } {
 132         lappend options "libs=${gluefile}"
 133         lappend options "ldflags=$wrap_flags"
 134     }
 135
 136     if [target_info exists objc,stack_size] {
 137         lappend options "additional_flags=-DSTACK_SIZE=[target_info objc,stack_size]"
 138     }
 139     if [target_info exists objc,no_trampolines] {
 140         lappend options "additional_flags=-DNO_TRAMPOLINES"
 141     }
 142     if [target_info exists objc,no_label_values] {
 143         lappend options "additional_flags=-DNO_LABEL_VALUES"
 144     }
 145     if [info exists TOOL_OPTIONS] {
 146         lappend options "additional_flags=$TOOL_OPTIONS"
 147     }
 148     if [target_info exists objc,no_varargs] {
 149         lappend options "additional_flags=-DNO_VARARGS"
 150     }
 151     set objcpath "[get_multilibs]"
 152     set libobjc_dir [lookfor_file ${objcpath} libobjc/.libs/libobjc.a]
 153     if { $libobjc_dir != "" } {
 154         set libobjc_dir [file dirname ${libobjc_dir}]
 155         set objc_link_flags "-L${libobjc_dir}"
 156         lappend options "additional_flags=${objc_link_flags}"
 157         append ld_library_path ":${libobjc_dir}"
 158     }
 159     lappend options "compiler=$OBJC_UNDER_TEST"
 160     return [target_compile $source $dest $type $options]
 161 }
 162
 163 #
 164 # objc_pass -- utility to record a testcase passed
 165 #
 166
 167 proc objc_pass { testcase cflags } {
 168     if { "$cflags" == "" } {
 169         pass "$testcase"
 170     } else {
 171         pass "$testcase, $cflags"
 172     }
 173 }
 174
 175 #
 176 # objc_fail -- utility to record a testcase failed
 177 #
 178
 179 proc objc_fail { testcase cflags } {
 180     if { "$cflags" == "" } {
 181         fail "$testcase"
 182     } else {
 183         fail "$testcase, $cflags"
 184     }
 185 }
 186
 187 #
 188 # objc_finish -- called at the end of every .exp script that calls objc_init
 189 #
 190 # The purpose of this proc is to hide all quirks of the testing environment
 191 # from the testsuites.  It also exists to undo anything that objc_init did
 192 # (that needs undoing).
 193 #
 194
 195 proc objc_finish { } {
 196     # The testing harness apparently requires this.
 197     global errorInfo;
 198
 199     if [info exists errorInfo] then {
 200         unset errorInfo
 201     }
 202
 203     # Might as well reset these (keeps our caller from wondering whether
 204     # s/he has to or not).
 205     global prms_id bug_id
 206     set prms_id 0
 207     set bug_id 0
 208 }
 209
 210 proc objc_exit { } {
 211     global gluefile;
 212
 213     if [info exists gluefile] {
 214         file_on_build delete $gluefile;
 215         unset gluefile;
 216     }
 217 }
 218
 219 # If this is an older version of dejagnu (without runtest_file_p),
 220 # provide one and assume the old syntax: foo1.exp bar1.c foo2.exp bar2.c.
 221 # This can be deleted after next dejagnu release.
 222
 223 if { [info procs runtest_file_p] == "" } then {
 224     proc runtest_file_p { runtests testcase } {
 225         if { $runtests != "" && [regexp "\[.\]\[cC\]" $runtests] } then {
 226             if { [lsearch $runtests [file tail $testcase]] >= 0 } then {
 227                 return 1
 228             } else {
 229                 return 0
 230             }
 231         }
 232         return 1
 233     }
 234 }
 235
 236 # Provide a definition of this if missing (delete after next dejagnu release).
 237
 238 if { [info procs prune_warnings] == "" } then {
 239     proc prune_warnings { text } {
 240         return $text
 241     }
 242 }
 243
 244 # Utility used by mike-gcc.exp and c-torture.exp.
 245 # Check the compiler(/assembler/linker) output for text indicating that
 246 # the testcase should be marked as "unsupported".
 247 #
 248 # When dealing with a large number of tests, it's difficult to weed out the
 249 # ones that are too big for a particular cpu (eg: 16 bit with a small amount
 250 # of memory).  There are various ways to deal with this.  Here's one.
 251 # Fortunately, all of the cases where this is likely to happen will be using
 252 # gld so we can tell what the error text will look like.
 253
 254 proc ${tool}_check_unsupported_p { output } {
 255     if [regexp "(^|\n)\[^\n\]*: region \[^\n\]* is full" $output] {
 256         return "memory full"
 257     }
 258     return ""
 259 }
 260
 261 # Prune messages from objc that aren't useful.
 262
 263 proc prune_objc_output { text } {
 264     #send_user "Before:$text\n"
 265     regsub -all "(^|\n)\[^\n\]*: In (function|method) \[^\n\]*" $text "" text
 266     regsub -all "(^|\n)\[^\n\]*: At top level:\[^\n\]*" $text "" text
 267
 268     # It would be nice to avoid passing anything to objc that would cause it to
 269     # issue these messages (since ignoring them seems like a hack on our part),
 270     # but that's too difficult in the general case.  For example, sometimes
 271     # you need to use -B to point objc at crt0.o, but there are some targets
 272     # that don't have crt0.o.
 273     regsub -all "(^|\n)\[^\n\]*file path prefix \[^\n\]* never used" $text "" text
 274     regsub -all "(^|\n)\[^\n\]*linker input file unused since linking not done" $text "" text
 275
 276     #send_user "After:$text\n"
 277
 278     return $text
 279 }
 280