gcc/testsuite/lib/gcc.exp

   1 # Copyright (C) 1992, 1993, 1994, 1996, 1997, 1999, 2000, 2001, 2003, 2004, 2007
   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 3 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 GCC; see the file COPYING3.  If not see
  16 # <http://www.gnu.org/licenses/>.
  17
  18 # This file was written by Rob Savoye (rob@cygnus.com)
  19 # Currently maintained by Doug Evans (dje@cygnus.com)
  20
  21 # This file is loaded by the tool init file (eg: unix.exp).  It provides
  22 # default definitions for gcc_start, etc. and other supporting cast members.
  23
  24 # These globals are used by gcc_start if no compiler arguments are provided.
  25 # They are also used by the various testsuites to define the environment:
  26 # where to find stdio.h, libc.a, etc.
  27
  28 # we want to use libgloss so we can get find_gcc.
  29 load_lib libgloss.exp
  30 load_lib prune.exp
  31 load_lib gcc-defs.exp
  32
  33 #
  34 # GCC_UNDER_TEST is the compiler under test.
  35 #
  36
  37 #
  38 # default_gcc_version -- extract and print the version number of the compiler
  39 #
  40
  41 proc default_gcc_version { } {
  42     global GCC_UNDER_TEST
  43
  44     gcc_init
  45
  46     # ignore any arguments after the command
  47     set compiler [lindex $GCC_UNDER_TEST 0]
  48
  49     if ![is_remote host] {
  50         set compiler_name [which $compiler]
  51     } else {
  52         set compiler_name $compiler
  53     }
  54
  55     # verify that the compiler exists
  56     if { $compiler_name != 0 } then {
  57         set tmp [remote_exec host "$compiler -v"]
  58         set status [lindex $tmp 0]
  59         set output [lindex $tmp 1]
  60         regexp " version \[^\n\r\]*" $output version
  61         if { $status == 0 && [info exists version] } then {
  62             clone_output "$compiler_name $version\n"
  63         } else {
  64             clone_output "Couldn't determine version of $compiler_name: $output\n"
  65         }
  66     } else {
  67         # compiler does not exist (this should have already been detected)
  68         warning "$compiler does not exist"
  69     }
  70 }
  71
  72 #
  73 # gcc_version -- Call default_gcc_version, so we can override it if needed.
  74 #
  75
  76 proc gcc_version { } {
  77     default_gcc_version
  78 }
  79
  80 #
  81 # gcc_init -- called at the start of each .exp script.
  82 #
  83 # There currently isn't much to do, but always using it allows us to
  84 # make some enhancements without having to go back and rewrite the scripts.
  85 #
  86
  87 set gcc_initialized 0
  88
  89 proc gcc_init { args } {
  90     global tmpdir
  91     global libdir
  92     global gluefile wrap_flags
  93     global gcc_initialized
  94     global GCC_UNDER_TEST
  95     global TOOL_EXECUTABLE
  96     global gcc_warning_prefix
  97     global gcc_error_prefix
  98
  99     if { $gcc_initialized == 1 } { return; }
 100
 101     if ![info exists GCC_UNDER_TEST] {
 102         if [info exists TOOL_EXECUTABLE] {
 103             set GCC_UNDER_TEST $TOOL_EXECUTABLE
 104         } else {
 105             set GCC_UNDER_TEST "[find_gcc]"
 106         }
 107     }
 108
 109     if ![info exists tmpdir] then {
 110         set tmpdir /tmp
 111     }
 112
 113     set gcc_warning_prefix "warning:"
 114     set gcc_error_prefix "error:"
 115
 116     gcc_maybe_build_wrapper "${tmpdir}/gcc-testglue.o"
 117 }
 118
 119 #
 120 # gcc_target_compile -- compile a source file
 121 #
 122
 123 proc gcc_target_compile { source dest type options } {
 124     global tmpdir
 125     global gluefile wrap_flags
 126     global GCC_UNDER_TEST
 127     global TOOL_OPTIONS
 128
 129     if {[target_info needs_status_wrapper] != "" && \
 130             [target_info needs_status_wrapper] != "0" && \
 131             [info exists gluefile] } {
 132         lappend options "libs=${gluefile}"
 133         lappend options "ldflags=$wrap_flags"
 134     }
 135
 136     if [target_info exists gcc,stack_size] {
 137         lappend options "additional_flags=-DSTACK_SIZE=[target_info gcc,stack_size]"
 138     }
 139     if [target_info exists gcc,no_trampolines] {
 140         lappend options "additional_flags=-DNO_TRAMPOLINES"
 141     }
 142     if [target_info exists gcc,no_label_values] {
 143         lappend options "additional_flags=-DNO_LABEL_VALUES"
 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}" $options]
 149     }
 150     if [target_info exists gcc,timeout] {
 151         lappend options "timeout=[target_info gcc,timeout]"
 152     }
 153     lappend options "additional_flags=-fno-show-column"
 154     lappend options "compiler=$GCC_UNDER_TEST"
 155     set options [dg-additional-files-options $options $source]
 156     return [target_compile $source $dest $type $options]
 157 }