gnu/dist/gcc4/gcc/testsuite/lib/treelang.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, 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 James A. Morrison (ja2morri@uwaterloo.ca)
  20
  21 # Having this file here magically tells dejagnu that the treelang
  22 # directory is worthy of testing
  23
  24 # This file is basically gcc.exp with gcc replaced with treelang.
  25
  26 # This file is loaded by the tool init file (eg: unix.exp).  It provides
  27 # default definitions for treelang_start, etc. and other supporting cast
  28 # members.
  29
  30 # These globals are used by treelang_start if no compiler arguments are
  31 # provided.  They are also used by the various testsuites to define the
  32 # environment: where to find stdio.h, libc.a, etc.
  33
  34 load_lib libgloss.exp
  35 load_lib prune.exp
  36 load_lib gcc-defs.exp
  37 load_lib target-libpath.exp
  38
  39 #
  40 # TREELANG_UNDER_TEST is the compiler under test.
  41 #
  42
  43 #
  44 # default_treelang_version -- extract and print the version number of the compiler
  45 #
  46
  47 proc default_treelang_version { } {
  48     global TREELANG_UNDER_TEST
  49
  50     treelang_init
  51
  52     # ignore any arguments after the command
  53     set compiler [lindex $TREELANG_UNDER_TEST 0]
  54
  55     if ![is_remote host] {
  56         set compiler_name [which $compiler]
  57     } else {
  58         set compiler_name $compiler
  59     }
  60
  61     # verify that the compiler exists
  62     if { $compiler_name != 0 } then {
  63         set tmp [remote_exec host "$compiler -v"]
  64         set status [lindex $tmp 0]
  65         set output [lindex $tmp 1]
  66         regexp " version \[^\n\r\]*" $output version
  67         if { $status == 0 && [info exists version] } then {
  68             clone_output "$compiler_name $version\n"
  69         } else {
  70             clone_output "Couldn't determine version of $compiler_name: $output\n"
  71         }
  72     } else {
  73         # compiler does not exist (this should have already been detected)
  74         warning "$compiler does not exist"
  75     }
  76 }
  77
  78 # treelang_init -- called at the start of each .exp script.
  79 #
  80 # There currently isn't much to do, but always using it allows us to
  81 # make some enhancements without having to go back and rewrite the scripts.
  82 #
  83
  84 set treelang_initialized 0
  85
  86 proc treelang_init { args } {
  87     global tmpdir
  88     global libdir
  89     global gluefile wrap_flags
  90     global treelang_initialized
  91     global TREELANG_UNDER_TEST
  92     global TOOL_EXECUTABLE
  93     global treelang_libgcc_s_path
  94
  95
  96     # We set LC_ALL and LANG to C so that we get the same error messages as expected.
  97     setenv LC_ALL C
  98     setenv LANG C
  99
 100
 101     if { $treelang_initialized == 1 } { return; }
 102
 103     if ![info exists TREELANG_UNDER_TEST] then {
 104         if [info exists TOOL_EXECUTABLE] {
 105             set TREELANG_UNDER_TEST $TOOL_EXECUTABLE
 106         } else {
 107             set TREELANG_UNDER_TEST [find_gcc]
 108         }
 109     }
 110
 111     if ![info exists tmpdir] then {
 112         set tmpdir /tmp
 113     }
 114
 115     treelang_maybe_build_wrapper "${tmpdir}/treelang-testglue.o"
 116
 117     set treelang_libgcc_s_path \
 118         [gcc-set-multilib-library-path $TREELANG_UNDER_TEST]
 119 }
 120
 121 proc treelang_target_compile { source dest type options } {
 122     global rootme
 123     global tmpdir
 124     global gluefile wrap_flags
 125     global srcdir
 126     global TREELANG_UNDER_TEST
 127     global TOOL_OPTIONS
 128     global ld_library_path
 129     global treelang_libgcc_s_path
 130
 131     set ld_library_path ".:${treelang_libgcc_s_path}"
 132     set_ld_library_path_env_vars
 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     # TOOL_OPTIONS must come first, so that it doesn't override testcase
 140     # specific options.
 141     if [info exists TOOL_OPTIONS] {
 142         set options [concat "{additional_flags=$TOOL_OPTIONS}" $options]
 143     }
 144
 145     # If we have built libtreelang along with the compiler (which usually
 146     # _is not_ the case on Mac OS X systems), point the test harness
 147     # at it (and associated headers).
 148
 149     return [target_compile $source $dest $type $options]
 150 }
 151
 152 #
 153 # treelang_pass -- utility to record a testcase passed
 154 #
 155
 156 proc treelang_pass { testcase cflags } {
 157     if { "$cflags" == "" } {
 158         pass "$testcase"
 159     } else {
 160         pass "$testcase, $cflags"
 161     }
 162 }
 163
 164 #
 165 # treelang_fail -- utility to record a testcase failed
 166 #
 167
 168 proc treelang_fail { testcase cflags } {
 169     if { "$cflags" == "" } {
 170         fail "$testcase"
 171     } else {
 172         fail "$testcase, $cflags"
 173     }
 174 }
 175
 176 #
 177 # treelang_finish -- called at the end of every .exp script that calls treelang_init
 178 #
 179 # The purpose of this proc is to hide all quirks of the testing environment
 180 # from the testsuites.  It also exists to undo anything that treelang_init did
 181 # (that needs undoing).
 182 #
 183
 184 proc treelang_finish { } {
 185     # The testing harness apparently requires this.
 186     global errorInfo
 187
 188     if [info exists errorInfo] then {
 189         unset errorInfo
 190     }
 191
 192     # Might as well reset these (keeps our caller from wondering whether
 193     # s/he has to or not).
 194     global prms_id bug_id
 195     set prms_id 0
 196     set bug_id 0
 197 }
 198
 199 proc treelang_exit { } {
 200     global gluefile
 201
 202     if [info exists gluefile] {
 203         file_on_build delete $gluefile
 204         unset gluefile
 205     }
 206 }
 207
 208 # If this is an older version of dejagnu (without runtest_file_p),
 209 # provide one and assume the old syntax: foo1.exp bar1.c foo2.exp bar2.c.
 210 # This can be deleted after next dejagnu release.
 211
 212 if { [info procs runtest_file_p] == "" } then {
 213     proc runtest_file_p { runtests testcase } {
 214         if { $runtests != "" && [regexp "\[.\]\[cC\]" $runtests] } then {
 215             if { [lsearch $runtests [file tail $testcase]] >= 0 } then {
 216                 return 1
 217             } else {
 218                 return 0
 219             }
 220         }
 221         return 1
 222     }
 223 }
 224
 225 # Provide a definition of this if missing (delete after next dejagnu release).
 226
 227 if { [info procs prune_warnings] == "" } then {
 228     proc prune_warnings { text } {
 229         return $text
 230     }
 231 }
 232
 233 # Utility used by mike-gcc.exp and c-torture.exp.
 234 # Check the compiler(/assembler/linker) output for text indicating that
 235 # the testcase should be marked as "unsupported".
 236 #
 237 # When dealing with a large number of tests, it's difficult to weed out the
 238 # ones that are too big for a particular cpu (eg: 16 bit with a small amount
 239 # of memory).  There are various ways to deal with this.  Here's one.
 240 # Fortunately, all of the cases where this is likely to happen will be using
 241 # gld so we can tell what the error text will look like.
 242
 243 proc ${tool}_check_unsupported_p { output } {
 244     if [regexp "(^|\n)\[^\n\]*: region \[^\n\]* is full" $output] {
 245         return "memory full"
 246     }
 247     return ""
 248 }
 249
 250 # Prune messages from treelang that aren't useful.
 251
 252 proc prune_treelang_output { text } {
 253     #send_user "Before:$text\n"
 254     regsub -all "(^|\n)\[^\n\]*: In (function|method) \[^\n\]*" $text "" text
 255     regsub -all "(^|\n)\[^\n\]*: At top level:\[^\n\]*" $text "" text
 256
 257     # It would be nice to avoid passing anything to treelang that would cause it to
 258     # issue these messages (since ignoring them seems like a hack on our part),
 259     # but that's too difficult in the general case.  For example, sometimes
 260     # you need to use -B to point treelang at crt0.o, but there are some targets
 261     # that don't have crt0.o.
 262     regsub -all "(^|\n)\[^\n\]*file path prefix \[^\n\]* never used" $text "" text
 263     regsub -all "(^|\n)\[^\n\]*linker input file unused since linking not done" $text "" text
 264
 265     #send_user "After:$text\n"
 266
 267     return $text
 268 }
 269