gnu/dist/gcc4/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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  16
  17 # Please email any bugs, comments, and/or additions to this file to:
  18 # gcc-bugs@gcc.gnu.org
  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 separate 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     global target_triplet
  28     global tool
  29
  30     if [info exists gcc_target_object_format_saved] {
  31         verbose "gcc_target_object_format returning saved $gcc_target_object_format_saved" 2
  32     } elseif { [string match "*-*-darwin*" $target_triplet] } {
  33         # Darwin doesn't necessarily have objdump, so hand-code it.
  34         set gcc_target_object_format_saved mach-o
  35     } elseif { [string match "hppa*-*-hpux*" $target_triplet] } {
  36         # HP-UX doesn't necessarily have objdump, so hand-code it.
  37         if { [string match "hppa*64*-*-hpux*" $target_triplet] } {
  38           set gcc_target_object_format_saved elf
  39         } else {
  40           set gcc_target_object_format_saved som
  41         }
  42     } else {
  43         set objdump_name [find_binutils_prog objdump]
  44         set open_file [open objfmtst.c w]
  45         puts $open_file "void foo(void) { }"
  46         close $open_file
  47
  48         ${tool}_target_compile objfmtst.c objfmtst.o object ""
  49         file delete objfmtst.c
  50
  51         catch {
  52           set output [exec $objdump_name --file-headers objfmtst.o ]
  53         } output
  54
  55         file delete objfmtst.o
  56
  57         if ![ regexp "file format (.*)arch" $output dummy objformat ]  {
  58             verbose "Could not parse objdump output" 2
  59             set gcc_target_object_format_saved unknown
  60         } else {
  61             switch -regexp $objformat {
  62                 elf          {
  63                     set gcc_target_object_format_saved elf
  64                 }
  65                 ecoff        {
  66                     set gcc_target_object_format_saved ecoff
  67                 }
  68                 coff         {
  69                     set gcc_target_object_format_saved coff
  70                 }
  71                 a\.out       {
  72                     set gcc_target_object_format_saved a.out
  73                 }
  74                 pe       {
  75                     set gcc_target_object_format_saved pe
  76                 }
  77                 som          {
  78                     set gcc_target_object_format_saved som
  79                 }
  80                 default      {
  81                     verbose "Unknown file format: $objformat" 3
  82                     set gcc_target_object_format_saved unknown
  83                 }
  84             }
  85
  86             verbose "gcc_target_object_format returning $gcc_target_object_format_saved" 2
  87         }
  88     }
  89
  90     return $gcc_target_object_format_saved
  91 }