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jeremybenn |
# Copyright (C) 1999, 2007 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with GCC; see the file COPYING3. If not see
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# .
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# Please email any bugs, comments, and/or additions to this file to:
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# gcc-bugs@gcc.gnu.org
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# This file defines a proc for determining the file format in use by the
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# target. This is useful for tests that are only supported by certain file
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# formats. This procedure is defined in a separate file so that it can be
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# included by other expect library files.
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proc gcc_target_object_format { } {
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global gcc_target_object_format_saved
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global target_triplet
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global tool
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if [info exists gcc_target_object_format_saved] {
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verbose "gcc_target_object_format returning saved $gcc_target_object_format_saved" 2
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} elseif { [string match "*-*-darwin*" $target_triplet] } {
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# Darwin doesn't necessarily have objdump, so hand-code it.
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set gcc_target_object_format_saved mach-o
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} elseif { [string match "hppa*-*-hpux*" $target_triplet] } {
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# HP-UX doesn't necessarily have objdump, so hand-code it.
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if { [string match "hppa*64*-*-hpux*" $target_triplet] } {
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set gcc_target_object_format_saved elf
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} else {
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set gcc_target_object_format_saved som
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}
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} else {
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set objdump_name [find_binutils_prog objdump]
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set open_file [open objfmtst.c w]
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puts $open_file "void foo(void) { }"
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close $open_file
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${tool}_target_compile objfmtst.c objfmtst.o object ""
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file delete objfmtst.c
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catch {
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set output [exec $objdump_name --file-headers objfmtst.o ]
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} output
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file delete objfmtst.o
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if ![ regexp "file format (.*)arch" $output dummy objformat ] {
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verbose "Could not parse objdump output" 2
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set gcc_target_object_format_saved unknown
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} else {
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switch -regexp $objformat {
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elf {
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set gcc_target_object_format_saved elf
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}
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ecoff {
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set gcc_target_object_format_saved ecoff
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}
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coff {
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set gcc_target_object_format_saved coff
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}
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a\.out {
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set gcc_target_object_format_saved a.out
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}
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pe {
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set gcc_target_object_format_saved pe
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}
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som {
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set gcc_target_object_format_saved som
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}
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default {
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verbose "Unknown file format: $objformat" 3
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set gcc_target_object_format_saved unknown
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}
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}
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verbose "gcc_target_object_format returning $gcc_target_object_format_saved" 2
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}
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}
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return $gcc_target_object_format_saved
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}
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