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# Copyright 1993, 1994, 1995, 1996, 1997, 2000, 2001, 2003, 2004, 2006, 2007,
# 2009, 2010 Free Software Foundation, Inc.
#
# This file is part of the GNU Binutils.
#
# This file is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
# MA 02110-1301, USA.
# True if the object format is known to be ELF.
#
proc is_elf_format {} {
if { ![istarget *-*-sysv4*]
&& ![istarget *-*-unixware*]
&& ![istarget *-*-elf*]
&& ![istarget *-*-eabi*]
&& ![istarget *-*-rtems*]
&& ![istarget hppa*64*-*-hpux*]
&& ![istarget ia64-*-hpux*]
&& ![istarget *-*-linux*]
&& ![istarget *-*-gnu*]
&& ![istarget frv-*-uclinux*]
&& ![istarget bfin-*-uclinux]
&& ![istarget sh*-*-uclinux*]
&& ![istarget *-*-irix5*]
&& ![istarget *-*-irix6*]
&& ![istarget *-*-netbsd*]
&& ![istarget *-*-openbsd*]
&& ![istarget *-*-solaris2*] } {
return 0
}
if { [istarget *-*-linux*aout*]
|| [istarget *-*-linux*oldld*]
|| [istarget h8500-*-rtems*]
|| [istarget i960-*-rtems*]
|| [istarget *-*-rtemscoff*] } {
return 0
}
if { ![istarget *-*-netbsdelf*]
&& ([istarget *-*-netbsd*aout*]
|| [istarget *-*-netbsdpe*]
|| [istarget arm*-*-netbsd*]
|| [istarget sparc-*-netbsd*]
|| [istarget i*86-*-netbsd*]
|| [istarget m68*-*-netbsd*]
|| [istarget vax-*-netbsd*]
|| [istarget ns32k-*-netbsd*]) } {
return 0
}
if { [istarget arm-*-openbsd*]
|| [istarget i386-*-openbsd\[0-2\].*]
|| [istarget i386-*-openbsd3.\[0-2\]]
|| [istarget m68*-*-openbsd*]
|| [istarget ns32k-*-openbsd*]
|| [istarget sparc-*-openbsd\[0-2\].*]
|| [istarget sparc-*-openbsd3.\[0-1\]]
|| [istarget vax-*-openbsd*] } {
return 0
}
return 1
}
# True if the object format is known to be a.out.
#
proc is_aout_format {} {
if { [istarget *-*-netbsdelf]
|| [istarget sparc64-*-netbsd*]
|| [istarget sparc64-*-openbsd*] } {
return 0
}
if { [istarget *-*-*\[ab\]out*]
|| [istarget *-*-linux*oldld*]
|| [istarget *-*-bsd*]
|| [istarget *-*-msdos*]
|| [istarget arm-*-netbsd*]
|| [istarget arm-*-openbsd*]
|| [istarget arm-*-riscix*]
|| [istarget i?86-*-freebsd\[12\]*]
|| [istarget i?86-*-netbsd*]
|| [istarget i?86-*-openbsd\[0-2\]*]
|| [istarget i?86-*-openbsd3.\[0-2\]*]
|| [istarget i?86-*-vsta]
|| [istarget i?86-*-mach*]
|| [istarget m68*-*-netbsd*]
|| [istarget m68*-*-openbsd*]
|| [istarget ns32k-*-*]
|| [istarget pdp11-*-*]
|| [istarget sparc*-*-sunos4*]
|| [istarget sparc*-*-netbsd*]
|| [istarget sparc*-*-openbsd\[0-2\]*]
|| [istarget sparc*-*-openbsd3.\[0-1\]*]
|| [istarget sparc*-fujitsu-none]
|| [istarget vax-dec-ultrix*]
|| [istarget vax-*-netbsd] } {
return 1
}
return 0
}
# True if the object format is known to be PE COFF.
#
proc is_pecoff_format {} {
if { ![istarget *-*-mingw*]
&& ![istarget *-*-cygwin*]
&& ![istarget *-*-cegcc*]
&& ![istarget *-*-pe*] } {
return 0
}
return 1
}
# True if the object format is known to be 64-bit ELF.
#
proc is_elf64 { binary_file } {
global READELF
global READELFFLAGS
set readelf_size ""
catch "exec $READELF $READELFFLAGS -h $binary_file > readelf.out" got
if ![string match "" $got] then {
return 0
}
if { ![regexp "\n\[ \]*Class:\[ \]*ELF(\[0-9\]+)\n" \
[file_contents readelf.out] nil readelf_size] } {
return 0
}
if { $readelf_size == "64" } {
return 1
}
return 0
}
# Compare two files line-by-line. FILE_1 is the actual output and FILE_2
# is the expected output. Ignore blank lines in either file.
#
# FILE_2 is a series of regexps, comments and # directives. The directives
# are:
#
# #pass
# Treat the test as a PASS if everything up till this point has
# matched. Ignore any remaining lines in either FILE_1 or FILE_2.
#
# #failif
# Reverse the sense of the test: expect differences to exist.
#
# #...
# REGEXP
# Skip all lines in FILE_1 until the first that matches REGEXP.
#
# Other # lines are comments. Regexp lines starting with the `!' character
# specify inverse matching (use `\!' for literal matching against a leading
# `!'). Skip empty lines in both files.
#
# The first optional argument is a list of regexp substitutions of the form:
#
# EXP1 SUBSPEC1 EXP2 SUBSPEC2 ...
#
# This tells the function to apply each regexp substitution EXPi->SUBSPECi
# in order to every line of FILE_2.
#
# Return nonzero if differences exist.
proc regexp_diff { file_1 file_2 args } {
set eof -1
set end_1 0
set end_2 0
set differences 0
set diff_pass 0
set fail_if_match 0
set ref_subst ""
if { [llength $args] > 0 } {
set ref_subst [lindex $args 0]
}
if { [llength $args] > 1 } {
perror "Too many arguments to regexp_diff"
return 1
}
if [file exists $file_1] then {
set file_a [open $file_1 r]
} else {
perror "$file_1 doesn't exist"
return 1
}
if [file exists $file_2] then {
set file_b [open $file_2 r]
} else {
perror "$file_2 doesn't exist"
close $file_a
return 1
}
verbose " Regexp-diff'ing: $file_1 $file_2" 2
while { 1 } {
set line_a ""
set line_b ""
while { [string length $line_a] == 0 } {
# Ignore blank line in FILE_1.
if { [gets $file_a line_a] == $eof } {
set end_1 1
break
}
}
while { [string length $line_b] == 0 || [string match "#*" $line_b] } {
if { [string match "#pass" $line_b] } {
set end_2 1
set diff_pass 1
break
} elseif { [string match "#failif" $line_b] } {
send_log "fail if no difference\n"
verbose "fail if no difference" 3
set fail_if_match 1
} elseif { [string match "#..." $line_b] } {
if { [gets $file_b line_b] == $eof } {
set end_2 1
set diff_pass 1
break
}
set negated [expr { [string index $line_b 0] eq "!" }]
set line_bx [string range $line_b $negated end]
set n [expr { $negated ? "! " : "" }]
# Substitute on the reference.
foreach {name value} $ref_subst {
regsub -- $name $line_bx $value line_bx
}
verbose "looking for $n\"^$line_bx$\"" 3
while { [expr [regexp "^$line_bx$" "$line_a"] == $negated] } {
verbose "skipping \"$line_a\"" 3
if { [gets $file_a line_a] == $eof } {
set end_1 1
break
}
}
break
}
if { [gets $file_b line_b] == $eof } {
set end_2 1
break
}
}
if { $diff_pass } {
break
} elseif { $end_1 && $end_2 } {
break
} elseif { $end_1 } {
send_log "extra regexps in $file_2 starting with \"^$line_b$\"\nEOF from $file_1\n"
verbose "extra regexps in $file_2 starting with \"^$line_b$\"\nEOF from $file_1" 3
set differences 1
break
} elseif { $end_2 } {
send_log "extra lines in $file_1 starting with \"^$line_a$\"\nEOF from $file_2\n"
verbose "extra lines in $file_1 starting with \"^$line_a$\"\nEOF from $file_2\n" 3
set differences 1
break
} else {
set negated [expr { [string index $line_b 0] eq "!" }]
set line_bx [string range $line_b $negated end]
set n [expr { $negated ? "! " : "" }]
set s [expr { $negated ? " " : "" }]
# Substitute on the reference.
foreach {name value} $ref_subst {
regsub -- $name $line_bx $value line_bx
}
verbose "regexp $n\"^$line_bx$\"\nline \"$line_a\"" 3
if { [expr [regexp "^$line_bx$" "$line_a"] == $negated] } {
send_log "regexp_diff match failure\n"
send_log "regexp $n\"^$line_bx$\"\nline $s\"$line_a\"\n"
verbose "regexp_diff match failure\n" 3
set differences 1
}
}
}
if { $differences == 0 && !$diff_pass && [eof $file_a] != [eof $file_b] } {
send_log "$file_1 and $file_2 are different lengths\n"
verbose "$file_1 and $file_2 are different lengths" 3
set differences 1
}
if { $fail_if_match } {
if { $differences == 0 } {
set differences 1
} else {
set differences 0
}
}
close $file_a
close $file_b
return $differences
}
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