gcc/testsuite/lib/gcc.exp

   1 # Copyright (C) 1992, 1993, 1994, 1996, 1997, 1999, 2000, 2001, 2003, 2004,
   2 # 2007, 2008  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 load_lib timeout.exp
  33
  34 #
  35 # GCC_UNDER_TEST is the compiler under test.
  36 #
  37
  38 #
  39 # default_gcc_version -- extract and print the version number of the compiler
  40 #
  41
  42 proc default_gcc_version { } {
  43     global GCC_UNDER_TEST
  44
  45     gcc_init
  46
  47     # ignore any arguments after the command
  48     set compiler [lindex $GCC_UNDER_TEST 0]
  49
  50     if ![is_remote host] {
  51         set compiler_name [which $compiler]
  52     } else {
  53         set compiler_name $compiler
  54     }
  55
  56     # verify that the compiler exists
  57     if { $compiler_name != 0 } then {
  58         set tmp [remote_exec host "$compiler -v"]
  59         set status [lindex $tmp 0]
  60         set output [lindex $tmp 1]
  61         regexp " version \[^\n\r\]*" $output version
  62         if { $status == 0 && [info exists version] } then {
  63             clone_output "$compiler_name $version\n"
  64         } else {
  65             clone_output "Couldn't determine version of $compiler_name: $output\n"
  66         }
  67     } else {
  68         # compiler does not exist (this should have already been detected)
  69         warning "$compiler does not exist"
  70     }
  71 }
  72
  73 #
  74 # gcc_version -- Call default_gcc_version, so we can override it if needed.
  75 #
  76
  77 proc gcc_version { } {
  78     default_gcc_version
  79 }
  80
  81 #
  82 # gcc_init -- called at the start of each .exp script.
  83 #
  84 # There currently isn't much to do, but always using it allows us to
  85 # make some enhancements without having to go back and rewrite the scripts.
  86 #
  87
  88 set gcc_initialized 0
  89
  90 proc gcc_init { args } {
  91     global tmpdir
  92     global libdir
  93     global gluefile wrap_flags
  94     global gcc_initialized
  95     global GCC_UNDER_TEST
  96     global TOOL_EXECUTABLE
  97     global gcc_warning_prefix
  98     global gcc_error_prefix
  99
 100     if { $gcc_initialized == 1 } { return; }
 101
 102     if ![info exists GCC_UNDER_TEST] {
 103         if [info exists TOOL_EXECUTABLE] {
 104             set GCC_UNDER_TEST $TOOL_EXECUTABLE
 105         } else {
 106             set GCC_UNDER_TEST "[find_gcc]"
 107         }
 108     }
 109
 110     if ![info exists tmpdir] then {
 111         set tmpdir /tmp
 112     }
 113
 114     set gcc_warning_prefix "warning:"
 115     set gcc_error_prefix "error:"
 116
 117     gcc_maybe_build_wrapper "${tmpdir}/gcc-testglue.o"
 118 }
 119
 120 #
 121 # gcc_target_compile -- compile a source file
 122 #
 123
 124 proc gcc_target_compile { source dest type options } {
 125     global tmpdir
 126     global gluefile wrap_flags
 127     global GCC_UNDER_TEST
 128     global TOOL_OPTIONS
 129
 130     if {[target_info needs_status_wrapper] != "" && \
 131             [target_info needs_status_wrapper] != "0" && \
 132             [info exists gluefile] } {
 133         lappend options "libs=${gluefile}"
 134         lappend options "ldflags=$wrap_flags"
 135     }
 136
 137     if [target_info exists gcc,stack_size] {
 138         lappend options "additional_flags=-DSTACK_SIZE=[target_info gcc,stack_size]"
 139     }
 140     if [target_info exists gcc,no_trampolines] {
 141         lappend options "additional_flags=-DNO_TRAMPOLINES"
 142     }
 143     if [target_info exists gcc,no_label_values] {
 144         lappend options "additional_flags=-DNO_LABEL_VALUES"
 145     }
 146     # TOOL_OPTIONS must come first, so that it doesn't override testcase
 147     # specific options.
 148     if [info exists TOOL_OPTIONS] {
 149         set options [concat "{additional_flags=$TOOL_OPTIONS}" $options]
 150     }
 151     lappend options "timeout=[timeout_value]"
 152     lappend options "compiler=$GCC_UNDER_TEST"
 153     set options [dg-additional-files-options $options $source]
 154     return [target_compile $source $dest $type $options]
 155 }