gcc/testsuite/lib/file-format.exp

   1 #   Copyright (C) 1999-2018 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 tool
  28
  29     if [info exists gcc_target_object_format_saved] {
  30         verbose "gcc_target_object_format returning saved $gcc_target_object_format_saved" 2
  31     } elseif { [istarget *-*-darwin*] } {
  32         # Darwin doesn't necessarily have objdump, so hand-code it.
  33         set gcc_target_object_format_saved mach-o
  34     } elseif { [istarget hppa*-*-hpux*] } {
  35         # HP-UX doesn't necessarily have objdump, so hand-code it.
  36         if { [istarget hppa*64*-*-hpux*] } {
  37           set gcc_target_object_format_saved elf
  38         } else {
  39           set gcc_target_object_format_saved som
  40         }
  41     } elseif { [istarget *-*-aix*] } {
  42         # AIX doesn't necessarily have objdump, so hand-code it.
  43         set gcc_target_object_format_saved coff
  44     } else {
  45         set objdump_name [find_binutils_prog objdump]
  46         set open_file [open objfmtst.c w]
  47         puts $open_file "void foo(void) { }"
  48         close $open_file
  49
  50         ${tool}_target_compile objfmtst.c objfmtst.o object ""
  51         file delete objfmtst.c
  52
  53         set output [remote_exec host "$objdump_name" "--file-headers objfmtst.o"]
  54         set output [lindex $output 1]
  55
  56         file delete objfmtst.o
  57
  58         if ![ regexp "file format (.*)arch" $output dummy objformat ]  {
  59             verbose "Could not parse objdump output" 2
  60             set gcc_target_object_format_saved unknown
  61         } else {
  62             switch -regexp $objformat {
  63                 elf          {
  64                     set gcc_target_object_format_saved elf
  65                 }
  66                 ecoff        {
  67                     set gcc_target_object_format_saved ecoff
  68                 }
  69                 coff         {
  70                     set gcc_target_object_format_saved coff
  71                 }
  72                 a\.out       {
  73                     set gcc_target_object_format_saved a.out
  74                 }
  75                 pe       {
  76                     set gcc_target_object_format_saved pe
  77                 }
  78                 som          {
  79                     set gcc_target_object_format_saved som
  80                 }
  81                 default      {
  82                     verbose "Unknown file format: $objformat" 3
  83                     set gcc_target_object_format_saved unknown
  84                 }
  85             }
  86
  87             verbose "gcc_target_object_format returning $gcc_target_object_format_saved" 2
  88         }
  89     }
  90
  91     return $gcc_target_object_format_saved
  92 }