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khays |
# Copyright 1993, 1994, 1995, 1996, 1997, 2000, 2001, 2003, 2004, 2006, 2007,
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# 2009, 2010, 2011 Free Software Foundation, Inc.
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#
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# This file is part of the GNU Binutils.
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#
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# This file 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 this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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# MA 02110-1301, USA.
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# True if the object format is known to be ELF.
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#
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proc is_elf_format {} {
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if { ![istarget *-*-sysv4*]
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&& ![istarget *-*-unixware*]
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&& ![istarget *-*-elf*]
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&& ![istarget *-*-eabi*]
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&& ![istarget *-*-rtems*]
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&& ![istarget hppa*64*-*-hpux*]
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&& ![istarget ia64-*-hpux*]
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&& ![istarget *-*-linux*]
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&& ![istarget *-*-gnu*]
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&& ![istarget frv-*-uclinux*]
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&& ![istarget bfin-*-uclinux]
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&& ![istarget sh*-*-uclinux*]
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&& ![istarget tic6x*-*-uclinux*]
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&& ![istarget *-*-irix5*]
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&& ![istarget *-*-irix6*]
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&& ![istarget *-*-netbsd*]
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&& ![istarget *-*-openbsd*]
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&& ![istarget *-*-solaris2*] } {
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return 0
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}
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if { [istarget *-*-linux*aout*]
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|| [istarget *-*-linux*oldld*]
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|| [istarget h8500-*-rtems*]
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|| [istarget i960-*-rtems*]
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|| [istarget *-*-rtemscoff*] } {
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return 0
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}
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if { ![istarget *-*-netbsdelf*]
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&& ([istarget *-*-netbsd*aout*]
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|| [istarget *-*-netbsdpe*]
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|| [istarget arm*-*-netbsd*]
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|| [istarget sparc-*-netbsd*]
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|| [istarget i*86-*-netbsd*]
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|| [istarget m68*-*-netbsd*]
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|| [istarget vax-*-netbsd*]
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|| [istarget ns32k-*-netbsd*]) } {
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return 0
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}
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if { [istarget arm-*-openbsd*]
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|| [istarget i386-*-openbsd\[0-2\].*]
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|| [istarget i386-*-openbsd3.\[0-2\]]
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|| [istarget m68*-*-openbsd*]
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|| [istarget ns32k-*-openbsd*]
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|| [istarget sparc-*-openbsd\[0-2\].*]
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|| [istarget sparc-*-openbsd3.\[0-1\]]
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|| [istarget vax-*-openbsd*] } {
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return 0
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}
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return 1
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}
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# True if the object format is known to be a.out.
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#
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proc is_aout_format {} {
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if { [istarget *-*-netbsdelf]
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|| [istarget sparc64-*-netbsd*]
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|| [istarget sparc64-*-openbsd*] } {
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return 0
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}
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if { [istarget *-*-*\[ab\]out*]
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|| [istarget *-*-linux*oldld*]
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|| [istarget *-*-bsd*]
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|| [istarget *-*-msdos*]
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|| [istarget arm-*-netbsd*]
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|| [istarget arm-*-openbsd*]
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|| [istarget arm-*-riscix*]
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|| [istarget i?86-*-freebsd\[12\]*]
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|| [istarget i?86-*-netbsd*]
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|| [istarget i?86-*-openbsd\[0-2\]*]
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|| [istarget i?86-*-openbsd3.\[0-2\]*]
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|| [istarget i?86-*-vsta]
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|| [istarget i?86-*-mach*]
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|| [istarget m68*-*-netbsd*]
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|| [istarget m68*-*-openbsd*]
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|| [istarget ns32k-*-*]
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|| [istarget pdp11-*-*]
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|| [istarget sparc*-*-sunos4*]
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|| [istarget sparc*-*-netbsd*]
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|| [istarget sparc*-*-openbsd\[0-2\]*]
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|| [istarget sparc*-*-openbsd3.\[0-1\]*]
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|| [istarget sparc*-fujitsu-none]
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|| [istarget vax-dec-ultrix*]
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|| [istarget vax-*-netbsd] } {
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return 1
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}
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return 0
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}
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# True if the object format is known to be PE COFF.
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#
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proc is_pecoff_format {} {
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if { ![istarget *-*-mingw*]
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&& ![istarget *-*-cygwin*]
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&& ![istarget *-*-cegcc*]
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&& ![istarget *-*-pe*] } {
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return 0
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}
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return 1
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}
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# True if the object format is known to be 64-bit ELF.
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#
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proc is_elf64 { binary_file } {
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global READELF
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global READELFFLAGS
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set readelf_size ""
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catch "exec $READELF $READELFFLAGS -h $binary_file > readelf.out" got
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if ![string match "" $got] then {
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return 0
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}
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if { ![regexp "\n\[ \]*Class:\[ \]*ELF(\[0-9\]+)\n" \
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[file_contents readelf.out] nil readelf_size] } {
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return 0
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}
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if { $readelf_size == "64" } {
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return 1
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}
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return 0
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}
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# Compare two files line-by-line. FILE_1 is the actual output and FILE_2
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# is the expected output. Ignore blank lines in either file.
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#
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# FILE_2 is a series of regexps, comments and # directives. The directives
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# are:
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#
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# #pass
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# Treat the test as a PASS if everything up till this point has
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# matched. Ignore any remaining lines in either FILE_1 or FILE_2.
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#
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# #failif
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# Reverse the sense of the test: expect differences to exist.
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#
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# #...
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# REGEXP
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# Skip all lines in FILE_1 until the first that matches REGEXP.
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#
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# Other # lines are comments. Regexp lines starting with the `!' character
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# specify inverse matching (use `\!' for literal matching against a leading
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# `!'). Skip empty lines in both files.
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#
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# The first optional argument is a list of regexp substitutions of the form:
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#
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# EXP1 SUBSPEC1 EXP2 SUBSPEC2 ...
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#
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# This tells the function to apply each regexp substitution EXPi->SUBSPECi
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# in order to every line of FILE_2.
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#
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# Return nonzero if differences exist.
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proc regexp_diff { file_1 file_2 args } {
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set eof -1
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set end_1 0
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set end_2 0
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set differences 0
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set diff_pass 0
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set fail_if_match 0
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set ref_subst ""
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if { [llength $args] > 0 } {
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set ref_subst [lindex $args 0]
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}
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if { [llength $args] > 1 } {
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perror "Too many arguments to regexp_diff"
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return 1
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}
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if [file exists $file_1] then {
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set file_a [open $file_1 r]
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} else {
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perror "$file_1 doesn't exist"
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return 1
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}
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if [file exists $file_2] then {
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set file_b [open $file_2 r]
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} else {
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perror "$file_2 doesn't exist"
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close $file_a
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return 1
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}
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verbose " Regexp-diff'ing: $file_1 $file_2" 2
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while { 1 } {
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set line_a ""
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set line_b ""
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while { [string length $line_a] == 0 } {
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# Ignore blank line in FILE_1.
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if { [gets $file_a line_a] == $eof } {
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set end_1 1
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break
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}
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}
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while { [string length $line_b] == 0 || [string match "#*" $line_b] } {
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if { [string match "#pass" $line_b] } {
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set end_2 1
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set diff_pass 1
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break
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} elseif { [string match "#failif" $line_b] } {
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send_log "fail if no difference\n"
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verbose "fail if no difference" 3
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set fail_if_match 1
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} elseif { [string match "#..." $line_b] } {
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if { [gets $file_b line_b] == $eof } {
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set end_2 1
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set diff_pass 1
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break
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}
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set negated [expr { [string index $line_b 0] == "!" }]
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set line_bx [string range $line_b $negated end]
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set n [expr { $negated ? "! " : "" }]
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# Substitute on the reference.
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foreach {name value} $ref_subst {
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regsub -- $name $line_bx $value line_bx
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}
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verbose "looking for $n\"^$line_bx$\"" 3
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while { [expr [regexp "^$line_bx$" "$line_a"] == $negated] } {
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verbose "skipping \"$line_a\"" 3
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if { [gets $file_a line_a] == $eof } {
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set end_1 1
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break
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}
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}
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| 256 |
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break
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| 257 |
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}
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| 258 |
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if { [gets $file_b line_b] == $eof } {
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set end_2 1
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break
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}
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| 262 |
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}
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| 264 |
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if { $diff_pass } {
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break
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| 266 |
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} elseif { $end_1 && $end_2 } {
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break
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| 268 |
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} elseif { $end_1 } {
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| 269 |
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send_log "extra regexps in $file_2 starting with \"^$line_b$\"\nEOF from $file_1\n"
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| 270 |
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verbose "extra regexps in $file_2 starting with \"^$line_b$\"\nEOF from $file_1" 3
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set differences 1
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break
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| 273 |
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} elseif { $end_2 } {
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send_log "extra lines in $file_1 starting with \"^$line_a$\"\nEOF from $file_2\n"
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| 275 |
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verbose "extra lines in $file_1 starting with \"^$line_a$\"\nEOF from $file_2\n" 3
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| 276 |
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set differences 1
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| 277 |
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break
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| 278 |
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} else {
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| 279 |
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set negated [expr { [string index $line_b 0] == "!" }]
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| 280 |
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set line_bx [string range $line_b $negated end]
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| 281 |
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set n [expr { $negated ? "! " : "" }]
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| 282 |
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set s [expr { $negated ? " " : "" }]
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| 283 |
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# Substitute on the reference.
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| 284 |
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foreach {name value} $ref_subst {
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| 285 |
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regsub -- $name $line_bx $value line_bx
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| 286 |
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}
|
| 287 |
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verbose "regexp $n\"^$line_bx$\"\nline \"$line_a\"" 3
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| 288 |
|
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if { [expr [regexp "^$line_bx$" "$line_a"] == $negated] } {
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| 289 |
|
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send_log "regexp_diff match failure\n"
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| 290 |
|
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send_log "regexp $n\"^$line_bx$\"\nline $s\"$line_a\"\n"
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| 291 |
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verbose "regexp_diff match failure\n" 3
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| 292 |
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set differences 1
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| 293 |
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}
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| 294 |
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}
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| 295 |
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}
|
| 296 |
|
|
|
| 297 |
|
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if { $differences == 0 && !$diff_pass && [eof $file_a] != [eof $file_b] } {
|
| 298 |
|
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send_log "$file_1 and $file_2 are different lengths\n"
|
| 299 |
|
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verbose "$file_1 and $file_2 are different lengths" 3
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| 300 |
|
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set differences 1
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| 301 |
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}
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| 302 |
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|
| 303 |
|
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if { $fail_if_match } {
|
| 304 |
|
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if { $differences == 0 } {
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| 305 |
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set differences 1
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| 306 |
|
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} else {
|
| 307 |
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set differences 0
|
| 308 |
|
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}
|
| 309 |
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}
|
| 310 |
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|
|
| 311 |
|
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close $file_a
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| 312 |
|
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close $file_b
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| 313 |
|
|
|
| 314 |
|
|
return $differences
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| 315 |
|
|
}
|
