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, 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 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 treelang.exp with treelang 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 members.
  28
  29 # These globals are used by treelang_start if no compiler arguments are provided.
  30 # They are also used by the various testsuites to define the environment:
  31 # where to find stdio.h, libc.a, etc.
  32
  33 load_lib libgloss.exp
  34 load_lib prune.exp
  35 load_lib gcc-defs.exp
  36
  37 #
  38 # TREELANG_UNDER_TEST is the compiler under test.
  39 #
  40
  41 #
  42 # default_treelang_version -- extract and print the version number of the compiler
  43 #
  44
  45 proc default_treelang_version { } {
  46     global TREELANG_UNDER_TEST
  47
  48     treelang_init;
  49
  50     # ignore any arguments after the command
  51     set compiler [lindex $TREELANG_UNDER_TEST 0]
  52
  53     if ![is_remote host] {
  54         set compiler_name [which $compiler];
  55     } else {
  56         set compiler_name $compiler;
  57     }
  58
  59     # verify that the compiler exists
  60     if { $compiler_name != 0 } then {
  61         set tmp [remote_exec host "$compiler -v"]
  62         set status [lindex $tmp 0];
  63         set output [lindex $tmp 1];
  64         regexp " version \[^\n\r\]*" $output version
  65         if { $status == 0 && [info exists version] } then {
  66             clone_output "$compiler_name $version\n"
  67         } else {
  68             clone_output "Couldn't determine version of $compiler_name: $output\n"
  69         }
  70     } else {
  71         # compiler does not exist (this should have already been detected)
  72         warning "$compiler does not exist"
  73     }
  74 }
  75
  76 # treelang_init -- called at the start of each .exp script.
  77 #
  78 # There currently isn't much to do, but always using it allows us to
  79 # make some enhancements without having to go back and rewrite the scripts.
  80 #
  81
  82 set treelang_initialized 0
  83
  84 proc treelang_init { args } {
  85     global rootme
  86     global tmpdir
  87     global libdir
  88     global gluefile wrap_flags
  89     global treelang_initialized
  90     global TREELANG_UNDER_TEST
  91     global TOOL_EXECUTABLE
  92     global treelang_libgcc_s_path
  93
  94     if { $treelang_initialized == 1 } { return; }
  95
  96     if ![info exists TREELANG_UNDER_TEST] then {
  97         if [info exists TOOL_EXECUTABLE] {
  98             set TREELANG_UNDER_TEST $TOOL_EXECUTABLE;
  99         } else {
 100             set TREELANG_UNDER_TEST [find_gcc]
 101         }
 102     }
 103
 104     if ![info exists tmpdir] then {
 105         set tmpdir /tmp
 106     }
 107
 108     treelang_maybe_build_wrapper "${tmpdir}/treelang-testglue.o"
 109
 110     set treelang_libgcc_s_path "${rootme}"
 111     set compiler [lindex $TREELANG_UNDER_TEST 0]
 112     if { [is_remote host] == 0 && [which $compiler] != 0 } {
 113         foreach i "[exec $compiler --print-multi-lib]" {
 114             set mldir ""
 115             regexp -- "\[a-z0-9=/\.-\]*;" $i mldir
 116             set mldir [string trimright $mldir "\;@"]
 117             if { "$mldir" == "." } {
 118                 continue
 119             }
 120             if { [llength [glob -nocomplain ${rootme}/${mldir}/libgcc_s*.so.*]] == 1 } {
 121                 append treelang_libgcc_s_path ":${rootme}/${mldir}"
 122             }
 123         }
 124     }
 125 }
 126
 127 proc treelang_target_compile { source dest type options } {
 128     global rootme;
 129     global tmpdir;
 130     global gluefile wrap_flags;
 131     global srcdir
 132     global TREELANG_UNDER_TEST
 133     global TOOL_OPTIONS
 134     global ld_library_path
 135     global treelang_libgcc_s_path
 136
 137     set ld_library_path ".:${treelang_libgcc_s_path}"
 138     lappend options "libs=-ltreelang"
 139
 140     if { [target_info needs_status_wrapper]!="" && [info exists gluefile] } {
 141         lappend options "libs=${gluefile}"
 142         lappend options "ldflags=$wrap_flags"
 143     }
 144
 145     # TOOL_OPTIONS must come first, so that it doesn't override testcase
 146     # specific options.
 147     if [info exists TOOL_OPTIONS] {
 148         set options [concat "additional_flags=$TOOL_OPTIONS" $options];
 149     }
 150
 151     # If we have built libtreelang along with the compiler (which usually
 152     # _is not_ the case on Mac OS X systems), point the test harness
 153     # at it (and associated headers).
 154
 155     return [target_compile $source $dest $type $options]
 156 }
 157
 158 #
 159 # treelang_pass -- utility to record a testcase passed
 160 #
 161
 162 proc treelang_pass { testcase cflags } {
 163     if { "$cflags" == "" } {
 164         pass "$testcase"
 165     } else {
 166         pass "$testcase, $cflags"
 167     }
 168 }
 169
 170 #
 171 # treelang_fail -- utility to record a testcase failed
 172 #
 173
 174 proc treelang_fail { testcase cflags } {
 175     if { "$cflags" == "" } {
 176         fail "$testcase"
 177     } else {
 178         fail "$testcase, $cflags"
 179     }
 180 }
 181
 182 #
 183 # treelang_finish -- called at the end of every .exp script that calls treelang_init
 184 #
 185 # The purpose of this proc is to hide all quirks of the testing environment
 186 # from the testsuites.  It also exists to undo anything that treelang_init did
 187 # (that needs undoing).
 188 #
 189
 190 proc treelang_finish { } {
 191     # The testing harness apparently requires this.
 192     global errorInfo;
 193
 194     if [info exists errorInfo] then {
 195         unset errorInfo
 196     }
 197
 198     # Might as well reset these (keeps our caller from wondering whether
 199     # s/he has to or not).
 200     global prms_id bug_id
 201     set prms_id 0
 202     set bug_id 0
 203 }
 204
 205 proc treelang_exit { } {
 206     global gluefile;
 207
 208     if [info exists gluefile] {
 209         file_on_build delete $gluefile;
 210         unset gluefile;
 211     }
 212 }
 213
 214 # If this is an older version of dejagnu (without runtest_file_p),
 215 # provide one and assume the old syntax: foo1.exp bar1.c foo2.exp bar2.c.
 216 # This can be deleted after next dejagnu release.
 217
 218 if { [info procs runtest_file_p] == "" } then {
 219     proc runtest_file_p { runtests testcase } {
 220         if { $runtests != "" && [regexp "\[.\]\[cC\]" $runtests] } then {
 221             if { [lsearch $runtests [file tail $testcase]] >= 0 } then {
 222                 return 1
 223             } else {
 224                 return 0
 225             }
 226         }
 227         return 1
 228     }
 229 }
 230
 231 # Provide a definition of this if missing (delete after next dejagnu release).
 232
 233 if { [info procs prune_warnings] == "" } then {
 234     proc prune_warnings { text } {
 235         return $text
 236     }
 237 }
 238
 239 # Utility used by mike-gcc.exp and c-torture.exp.
 240 # Check the compiler(/assembler/linker) output for text indicating that
 241 # the testcase should be marked as "unsupported".
 242 #
 243 # When dealing with a large number of tests, it's difficult to weed out the
 244 # ones that are too big for a particular cpu (eg: 16 bit with a small amount
 245 # of memory).  There are various ways to deal with this.  Here's one.
 246 # Fortunately, all of the cases where this is likely to happen will be using
 247 # gld so we can tell what the error text will look like.
 248
 249 proc ${tool}_check_unsupported_p { output } {
 250     if [regexp "(^|\n)\[^\n\]*: region \[^\n\]* is full" $output] {
 251         return "memory full"
 252     }
 253     return ""
 254 }
 255
 256 # Prune messages from treelang that aren't useful.
 257
 258 proc prune_treelang_output { text } {
 259     #send_user "Before:$text\n"
 260     regsub -all "(^|\n)\[^\n\]*: In (function|method) \[^\n\]*" $text "" text
 261     regsub -all "(^|\n)\[^\n\]*: At top level:\[^\n\]*" $text "" text
 262
 263     # It would be nice to avoid passing anything to treelang that would cause it to
 264     # issue these messages (since ignoring them seems like a hack on our part),
 265     # but that's too difficult in the general case.  For example, sometimes
 266     # you need to use -B to point treelang at crt0.o, but there are some targets
 267     # that don't have crt0.o.
 268     regsub -all "(^|\n)\[^\n\]*file path prefix \[^\n\]* never used" $text "" text
 269     regsub -all "(^|\n)\[^\n\]*linker input file unused since linking not done" $text "" text
 270
 271     #send_user "After:$text\n"
 272
 273     return $text
 274 }
 275