gnu/dist/gcc4/gcc/testsuite/lib/gcc.exp

   1 # Copyright (C) 1992, 1993, 1994, 1996, 1997, 1999, 2000, 2001, 2003, 2004 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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 gcc_start, etc. and other supporting cast members.
  22
  23 # These globals are used by gcc_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 # we want to use libgloss so we can get find_gcc.
  28 load_lib libgloss.exp
  29 load_lib prune.exp
  30 load_lib gcc-defs.exp
  31
  32 #
  33 # GCC_UNDER_TEST is the compiler under test.
  34 #
  35
  36 #
  37 # default_gcc_version -- extract and print the version number of the compiler
  38 #
  39
  40 proc default_gcc_version { } {
  41     global GCC_UNDER_TEST
  42
  43     gcc_init
  44
  45     # ignore any arguments after the command
  46     set compiler [lindex $GCC_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 # gcc_version -- Call default_gcc_version, so we can override it if needed.
  73 #
  74
  75 proc gcc_version { } {
  76     default_gcc_version
  77 }
  78
  79 #
  80 # gcc_init -- called at the start of each .exp script.
  81 #
  82 # There currently isn't much to do, but always using it allows us to
  83 # make some enhancements without having to go back and rewrite the scripts.
  84 #
  85
  86 set gcc_initialized 0
  87
  88 proc gcc_init { args } {
  89     global tmpdir
  90     global libdir
  91     global gluefile wrap_flags
  92     global gcc_initialized
  93     global GCC_UNDER_TEST
  94     global TOOL_EXECUTABLE
  95
  96     if { $gcc_initialized == 1 } { return; }
  97
  98     if ![info exists GCC_UNDER_TEST] {
  99         if [info exists TOOL_EXECUTABLE] {
 100             set GCC_UNDER_TEST $TOOL_EXECUTABLE
 101         } else {
 102             set GCC_UNDER_TEST "[find_gcc]"
 103         }
 104     }
 105
 106     if ![info exists tmpdir] then {
 107         set tmpdir /tmp
 108     }
 109
 110     gcc_maybe_build_wrapper "${tmpdir}/gcc-testglue.o"
 111 }
 112
 113 #
 114 # gcc_target_compile -- compile a source file
 115 #
 116
 117 proc gcc_target_compile { source dest type options } {
 118     global tmpdir
 119     global gluefile wrap_flags
 120     global GCC_UNDER_TEST
 121     global TOOL_OPTIONS
 122
 123     if {[target_info needs_status_wrapper] != "" && \
 124             [target_info needs_status_wrapper] != "0" && \
 125             [info exists gluefile] } {
 126         lappend options "libs=${gluefile}"
 127         lappend options "ldflags=$wrap_flags"
 128     }
 129
 130     if [target_info exists gcc,stack_size] {
 131         lappend options "additional_flags=-DSTACK_SIZE=[target_info gcc,stack_size]"
 132     }
 133     if [target_info exists gcc,no_trampolines] {
 134         lappend options "additional_flags=-DNO_TRAMPOLINES"
 135     }
 136     if [target_info exists gcc,no_label_values] {
 137         lappend options "additional_flags=-DNO_LABEL_VALUES"
 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}" $options]
 143     }
 144     if [target_info exists gcc,timeout] {
 145         lappend options "timeout=[target_info gcc,timeout]"
 146     }
 147     lappend options "additional_flags=-fno-show-column"
 148     lappend options "compiler=$GCC_UNDER_TEST"
 149     set options [dg-additional-files-options $options $source]
 150     return [target_compile $source $dest $type $options]
 151 }