gcc/testsuite/lib/file-format.exp

   1 #   Copyright (C) 1999, 2007 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 3 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 GCC; see the file COPYING3.  If not see
  15 # <http://www.gnu.org/licenses/>.
  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         ${tool}_target_compile objfmtst.c objfmtst.o object ""
  49         file delete objfmtst.c
  50
  51         set output [remote_exec host "$objdump_name" "--file-headers objfmtst.o"]
  52         set output [lindex $output 1]
  53
  54         file delete objfmtst.o
  55
  56         if ![ regexp "file format (.*)arch" $output dummy objformat ]  {
  57             verbose "Could not parse objdump output" 2
  58             set gcc_target_object_format_saved unknown
  59         } else {
  60             switch -regexp $objformat {
  61                 elf          {
  62                     set gcc_target_object_format_saved elf
  63                 }
  64                 ecoff        {
  65                     set gcc_target_object_format_saved ecoff
  66                 }
  67                 coff         {
  68                     set gcc_target_object_format_saved coff
  69                 }
  70                 a\.out       {
  71                     set gcc_target_object_format_saved a.out
  72                 }
  73                 pe       {
  74                     set gcc_target_object_format_saved pe
  75                 }
  76                 som          {
  77                     set gcc_target_object_format_saved som
  78                 }
  79                 default      {
  80                     verbose "Unknown file format: $objformat" 3
  81                     set gcc_target_object_format_saved unknown
  82                 }
  83             }
  84
  85             verbose "gcc_target_object_format returning $gcc_target_object_format_saved" 2
  86         }
  87     }
  88
  89     return $gcc_target_object_format_saved
  90 }