gcc/testsuite/lib/gnat.exp

   1 # Copyright (C) 2006, 2007, 2008 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 3 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 GCC; see the file COPYING3.  If not see
  15 # <http://www.gnu.org/licenses/>.
  16
  17 # This file was written by James A. Morrison (ja2morri@uwaterloo.ca)
  18 # based on gcc.exp written by Rob Savoye (rob@cygnus.com).
  19
  20 # This file is loaded by the tool init file (eg: unix.exp).  It provides
  21 # default definitions for gnat_start, etc. and other supporting cast members.
  22
  23 # These globals are used 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 load_lib libgloss.exp
  28 load_lib prune.exp
  29 load_lib gcc-defs.exp
  30 load_lib timeout.exp
  31
  32 #
  33 # GNAT_UNDER_TEST is the compiler under test.
  34 #
  35
  36 #
  37 # default_gnat_version -- extract and print the version number of the compiler
  38 #
  39
  40 proc default_gnat_version { } {
  41     global GNAT_UNDER_TEST
  42
  43     gnat_init
  44
  45     # ignore any arguments after the command
  46     set compiler [lindex $GNAT_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 # gnat_init -- called at the start of each .exp script.
  72 #
  73 # There currently isn't much to do, but always using it allows us to
  74 # make some enhancements without having to go back and rewrite the scripts.
  75 #
  76
  77 set gnat_initialized 0
  78
  79 proc gnat_init { args } {
  80     global rootme
  81     global tmpdir
  82     global libdir
  83     global gluefile wrap_flags
  84     global gnat_initialized
  85     global GNAT_UNDER_TEST
  86     global GNAT_UNDER_TEST_ORIG
  87     global TOOL_EXECUTABLE
  88     global gnat_libgcc_s_path
  89     global gnat_target_current
  90
  91     set gnat_target_current ""
  92
  93     if { $gnat_initialized == 1 } { return }
  94
  95     if ![info exists GNAT_UNDER_TEST] then {
  96         if [info exists TOOL_EXECUTABLE] {
  97             set GNAT_UNDER_TEST "$TOOL_EXECUTABLE"
  98         } else {
  99             set GNAT_UNDER_TEST "[local_find_gnatmake]"
 100         }
 101         set GNAT_UNDER_TEST_ORIG "$GNAT_UNDER_TEST"
 102     }
 103
 104     if ![info exists tmpdir] then {
 105         set tmpdir /tmp
 106     }
 107
 108     set gnat_libgcc_s_path "${rootme}"
 109     # Leave this here since Ada should support multilibs at some point.
 110     set compiler [lindex $GNAT_UNDER_TEST 0]
 111 #    if { [is_remote host] == 0 && [which $compiler] != 0 } {
 112 #       foreach i "[exec $compiler --print-multi-lib]" {
 113 #           set mldir ""
 114 #           regexp -- "\[a-z0-9=/\.-\]*;" $i mldir
 115 #           set mldir [string trimright $mldir "\;@"]
 116 #           if { "$mldir" == "." } {
 117 #               continue
 118 #           }
 119 #           if { [llength [glob -nocomplain ${rootme}/${mldir}/libgcc_s*.so.*]] >= 1 } {
 120 #               append gnat_libgcc_s_path ":${rootme}/${mldir}"
 121 #           }
 122 #       }
 123 #    }
 124 }
 125
 126 proc gnat_target_compile { source dest type options } {
 127     global rootme
 128     global tmpdir
 129     global gluefile wrap_flags
 130     global srcdir
 131     global GNAT_UNDER_TEST
 132     global GNAT_UNDER_TEST_ORIG
 133     global TOOL_OPTIONS
 134     global ld_library_path
 135     global gnat_libgcc_s_path
 136     global gnat_target_current
 137
 138     # If we detect a change of target we need to recompute
 139     # the appropriate RTS by calling get_multilibs.
 140     if { $gnat_target_current!="[current_target_name]" } {
 141         set gnat_target_current "[current_target_name]"
 142         if [info exists TOOL_OPTIONS] {
 143             set gnat_rts_opt "--RTS=[get_multilibs ${TOOL_OPTIONS}]/libada"
 144         } else {
 145             set gnat_rts_opt "--RTS=[get_multilibs]/libada"
 146         }
 147         set GNAT_UNDER_TEST "$GNAT_UNDER_TEST_ORIG $gnat_rts_opt"
 148     }
 149
 150     set ld_library_path ".:${gnat_libgcc_s_path}"
 151     lappend options "compiler=$GNAT_UNDER_TEST -q -f"
 152     lappend options "timeout=[timeout_value]"
 153
 154     if { [target_info needs_status_wrapper]!="" && [info exists gluefile] } {
 155         lappend options "libs=${gluefile}"
 156         lappend options "ldflags=$wrap_flags"
 157     }
 158
 159     # TOOL_OPTIONS must come first, so that it doesn't override testcase
 160     # specific options.
 161     if [info exists TOOL_OPTIONS] {
 162         set options [concat "additional_flags=$TOOL_OPTIONS" $options]
 163     }
 164
 165     # If we have built libada along with the compiler, point the test harness
 166     # at it (and associated headers).
 167
 168 #    set sourcename [string range $source 0 [expr [string length $source] - 5]]
 169 #    set dest ""
 170
 171     return [target_compile $source $dest $type $options]
 172 }
 173
 174 #
 175 # gnat_pass -- utility to record a testcase passed
 176 #
 177
 178 proc gnat_pass { testcase cflags } {
 179     if { "$cflags" == "" } {
 180         pass "$testcase"
 181     } else {
 182         pass "$testcase, $cflags"
 183     }
 184 }
 185
 186 #
 187 # gnat_fail -- utility to record a testcase failed
 188 #
 189
 190 proc gnat_fail { testcase cflags } {
 191     if { "$cflags" == "" } {
 192         fail "$testcase"
 193     } else {
 194         fail "$testcase, $cflags"
 195     }
 196 }
 197
 198 #
 199 # gnat_finish -- called at the end of every .exp script that calls gnat_init
 200 #
 201 # The purpose of this proc is to hide all quirks of the testing environment
 202 # from the testsuites.  It also exists to undo anything that gnat_init did
 203 # (that needs undoing).
 204 #
 205
 206 proc gnat_finish { } {
 207     # The testing harness apparently requires this.
 208     global errorInfo
 209
 210     if [info exists errorInfo] then {
 211         unset errorInfo
 212     }
 213
 214     # Might as well reset these (keeps our caller from wondering whether
 215     # s/he has to or not).
 216     global prms_id bug_id
 217     set prms_id 0
 218     set bug_id 0
 219 }
 220
 221 proc gnat_exit { } {
 222     global gluefile
 223
 224     if [info exists gluefile] {
 225         file_on_build delete $gluefile
 226         unset gluefile
 227     }
 228 }
 229
 230 # Prune messages from GNAT that aren't useful.
 231
 232 proc prune_gnat_output { text } {
 233     #send_user "Before:$text\n"
 234     regsub -all "(^|\n)\[^\n\]*: In (function|method) \[^\n\]*" $text "" text
 235     regsub -all "(^|\n)\[^\n\]*: At top level:\[^\n\]*" $text "" text
 236
 237     # prune the output from gnatmake.
 238     regsub -all "(^|\n)\[^\n\]*gnatmake: [^\n\]*" $text "" text
 239
 240     # It would be nice to avoid passing anything to gnat that would cause it to
 241     # issue these messages (since ignoring them seems like a hack on our part),
 242     # but that's too difficult in the general case.  For example, sometimes
 243     # you need to use -B to point gnat at crt0.o, but there are some targets
 244     # that don't have crt0.o.
 245     regsub -all "(^|\n)\[^\n\]*file path prefix \[^\n\]* never used" $text "" text
 246     regsub -all "(^|\n)\[^\n\]*linker input file unused since linking not done" $text "" text
 247
 248     #send_user "After:$text\n"
 249
 250     return $text
 251 }
 252
 253 # find_gnatmake for some version of DejaGnu will hardcode a -I...rts/ada flag
 254 # which prevent multilib from working, so define a new one.
 255
 256 proc local_find_gnatmake {} {
 257     global tool_root_dir
 258
 259     if ![is_remote host] {
 260         set file [lookfor_file $tool_root_dir gnatmake]
 261         if { $file == "" } {
 262         set file [lookfor_file $tool_root_dir gcc/gnatmake]
 263         }
 264         if { $file != "" } {
 265         set root [file dirname $file]
 266         set CC "$file --GCC=$root/xgcc --GNATBIND=$root/gnatbind --GNATLINK=$root/gnatlink -cargs -B$root -largs -B$root -margs -B$root";
 267         } else {
 268         set CC [transform gnatmake]
 269         }
 270     } else {
 271         set CC [transform gnatmake]
 272     }
 273     return $CC
 274 }
 275
 276 # If this is an older version of DejaGnu (without runtest_file_p),
 277 # provide one and assume the old syntax: foo1.exp bar1.c foo2.exp bar2.c.
 278 # This can be deleted after next DejaGnu release.
 279
 280 if { [info procs runtest_file_p] == "" } then {
 281     proc runtest_file_p { runtests testcase } {
 282         if { $runtests != "" && [regexp "\[.\]\[cC\]" $runtests] } then {
 283             if { [lsearch $runtests [file tail $testcase]] >= 0 } then {
 284                 return 1
 285             } else {
 286                 return 0
 287             }
 288         }
 289         return 1
 290     }
 291 }
 292
 293 # Provide a definition of this if missing (delete after next DejaGnu release).
 294
 295 if { [info procs prune_warnings] == "" } then {
 296     proc prune_warnings { text } {
 297         return $text
 298     }
 299 }