1 # Copyright (C) 1999, 2007 Free Software Foundation, Inc.
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.
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.
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/>.
17 # Please email any bugs, comments, and/or additions to this file to:
18 # gcc-bugs@gcc.gnu.org
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.
25 proc gcc_target_object_format { } {
26 global gcc_target_object_format_saved
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
39 set gcc_target_object_format_saved som
42 set objdump_name [find_binutils_prog objdump]
43 set open_file [open objfmtst.c w]
44 puts $open_file "void foo(void) { }"
47 ${tool}_target_compile objfmtst.c objfmtst.o object ""
48 file delete objfmtst.c
50 set output [remote_exec host "$objdump_name" "--file-headers objfmtst.o"]
51 set output [lindex $output 1]
53 file delete objfmtst.o
55 if ![ regexp "file format (.*)arch" $output dummy objformat ] {
56 verbose "Could not parse objdump output" 2
57 set gcc_target_object_format_saved unknown
59 switch -regexp $objformat {
61 set gcc_target_object_format_saved elf
64 set gcc_target_object_format_saved ecoff
67 set gcc_target_object_format_saved coff
70 set gcc_target_object_format_saved a.out
73 set gcc_target_object_format_saved pe
76 set gcc_target_object_format_saved som
79 verbose "Unknown file format: $objformat" 3
80 set gcc_target_object_format_saved unknown
84 verbose "gcc_target_object_format returning $gcc_target_object_format_saved" 2
88 return $gcc_target_object_format_saved