gcc/testsuite/lib/file-format.exp

   1 #   Copyright (C) 1999 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, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  16
  17 # Please email any bugs, comments, and/or additions to this file to:
  18 # egcs-bugs@egcs.cygnus.com
  19
  20 # This file defines a proc for determining the file format in use by the
  21 # target.  This is useful for tests that are only supported by certain file
  22 # formats.  This procedure is defined in a seperate file so that it can be
  23 # included by other expect library files.
  24
  25 proc gcc_target_object_format { } {
  26     global gcc_target_object_format_saved
  27
  28     if [info exists gcc_target_object_format_saved] {
  29         verbose "gcc_target_object_format returning saved $gcc_target_object_format_saved" 2
  30     } else {
  31         set objdump_name [find_binutils_prog objdump]
  32         set open_file [open objfmtst.c w]
  33         puts $open_file "void foo(void) { }"
  34         close $open_file
  35
  36         gcc_target_compile objfmtst.c objfmtst.o object ""
  37
  38         set output [exec $objdump_name --file-headers objfmtst.o ]
  39
  40         file delete objfmtst.o
  41
  42         if ![ regexp "file format (.*)arch" $output dummy objformat ]  {
  43             verbose "Could not parse objdump output" 2
  44             set gcc_target_object_format_saved unknown
  45         } else {
  46             switch -regexp $objformat {
  47                 elf          {
  48                     set gcc_target_object_format_saved elf
  49                 }
  50                 ecoff        {
  51                     set gcc_target_object_format_saved ecoff
  52                 }
  53                 coff         {
  54                     set gcc_target_object_format_saved coff
  55                 }
  56                 a\.out       {
  57                     set gcc_target_object_format_saved a.out
  58                 }
  59                 pe       {
  60                     set gcc_target_object_format_saved pe
  61                 }
  62                 default      {
  63                     verbose "Unknown file format: $objformat" 3
  64                     set gcc_target_object_format_saved unknown
  65                 }
  66             }
  67
  68             verbose "gcc_target_object_format returning $gcc_target_object_format_saved" 2
  69         }
  70     }
  71
  72     return $gcc_target_object_format_saved
  73 }