1 # Copyright (C) 1993-2016 Free Software Foundation, Inc.
3 # This file is part of the GNU Binutils.
5 # This file is free software; you can redistribute it and/or modify
6 # it under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 3 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful,
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 # GNU General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program; if not, write to the Free Software
17 # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
20 # True if the object format is known to be ELF.
22 proc is_elf_format {} {
23 # config.sub for these targets curiously transforms a target doublet
24 # ending in -elf to -none. eg. m68hc12-elf to m68hc12-unknown-none
25 # They are always elf.
26 if { [istarget m68hc1*-*] || [istarget xgate-*] } {
30 if { ![istarget *-*-eabi*]
31 && ![istarget *-*-elf*]
32 && ![istarget *-*-freebsd*]
33 && ![istarget *-*-gnu*]
34 && ![istarget *-*-irix5*]
35 && ![istarget *-*-irix6*]
36 && ![istarget *-*-linux*]
37 && ![istarget *-*-nacl*]
38 && ![istarget *-*-netbsd*]
39 && ![istarget *-*-openbsd*]
40 && ![istarget *-*-rtems*]
41 && ![istarget *-*-solaris2*]
42 && ![istarget *-*-sysv4*]
43 && ![istarget *-*-unixware*]
44 && ![istarget avr-*-*]
45 && ![istarget bfin-*-uclinux]
46 && ![istarget frv-*-uclinux*]
47 && ![istarget hppa*64*-*-hpux*]
48 && ![istarget ia64-*-hpux*]
49 && ![istarget sh*-*-uclinux*]
50 && ![istarget tic6x*-*-uclinux*] } {
54 if { [istarget *-*-linux*aout*]
55 || [istarget *-*-linux*ecoff*]
56 || [istarget *-*-linux*oldld*]
57 || [istarget *-*-rtemscoff*]
58 || [istarget h8500-*-rtems*]
59 || [istarget i?86-*-freebsd\[12\].*]
60 || [istarget i960-*-rtems*] } {
64 if { ![istarget *-*-netbsdelf*]
65 && ( [istarget *-*-netbsd*aout*]
66 || [istarget *-*-netbsdpe*]
67 || [istarget arm*-*-netbsd*]
68 || [istarget sparc-*-netbsd*]
69 || [istarget i*86-*-netbsd*]
70 || [istarget m68*-*-netbsd*]
71 || [istarget vax-*-netbsd*]
72 || [istarget ns32k-*-netbsd*]) } {
76 if { [istarget arm-*-openbsd*]
77 || [istarget i386-*-openbsd\[0-2\].*]
78 || [istarget i386-*-openbsd3.\[0-2\]]
79 || [istarget m68*-*-openbsd*]
80 || [istarget ns32k-*-openbsd*]
81 || [istarget sparc-*-openbsd\[0-2\].*]
82 || [istarget sparc-*-openbsd3.\[0-1\]]
83 || [istarget vax-*-openbsd*] } {
90 # True if the object format is known to be a.out.
92 proc is_aout_format {} {
93 if { [istarget *-*-netbsdelf]
94 || [istarget sparc64-*-netbsd*]
95 || [istarget sparc64-*-openbsd*] } {
98 if { [istarget *-*-*\[ab\]out*]
99 || [istarget *-*-linux*oldld*]
100 || [istarget *-*-bsd*]
101 || [istarget *-*-msdos*]
102 || [istarget arm-*-netbsd*]
103 || [istarget arm-*-openbsd*]
104 || [istarget arm-*-riscix*]
105 || [istarget i?86-*-freebsd\[12\].*]
106 || [istarget i?86-*-netbsd*]
107 || [istarget i?86-*-openbsd\[0-2\]*]
108 || [istarget i?86-*-openbsd3.\[0-2\]*]
109 || [istarget i?86-*-vsta]
110 || [istarget i?86-*-mach*]
111 || [istarget m68*-*-netbsd*]
112 || [istarget m68*-*-openbsd*]
113 || [istarget ns32k-*-*]
114 || [istarget pdp11-*-*]
115 || [istarget sparc*-*-sunos4*]
116 || [istarget sparc*-*-netbsd*]
117 || [istarget sparc*-*-openbsd\[0-2\]*]
118 || [istarget sparc*-*-openbsd3.\[0-1\]*]
119 || [istarget sparc*-fujitsu-none]
120 || [istarget vax-dec-ultrix*]
121 || [istarget vax-*-netbsd] } {
127 # True if the object format is known to be PE COFF.
129 proc is_pecoff_format {} {
130 if { ![istarget *-*-mingw*]
131 && ![istarget *-*-cygwin*]
132 && ![istarget *-*-cegcc*]
133 && ![istarget *-*-pe*] } {
140 # True if the object format is known to be 64-bit ELF.
142 proc is_elf64 { binary_file } {
147 catch "exec $READELF $READELFFLAGS -h $binary_file > readelf.out" got
149 if ![string match "" $got] then {
153 if { ![regexp "\n\[ \]*Class:\[ \]*ELF(\[0-9\]+)\n" \
154 [file_contents readelf.out] nil readelf_size] } {
158 if { $readelf_size == "64" } {
165 # True if the ELF target supports STB_GNU_UNIQUE with the ELF header's
166 # OSABI field set to ELFOSABI_GNU.
168 # This generally depends on the target OS only, however there are a
169 # number of exceptions for bare metal targets as follows. The MSP430
170 # and Visium targets set OSABI to ELFOSABI_STANDALONE and cannot
171 # support STB_GNU_UNIQUE. Likewise non-EABI ARM targets set OSABI to
172 # ELFOSABI_ARM, and TI C6X targets to ELFOSABI_C6000_*. Finally
173 # rather than `bfd_elf_final_link' AM33/2.0, D30V, DLX, i960, and
174 # picoJava targets use `_bfd_generic_final_link', which does not
175 # support STB_GNU_UNIQUE symbol binding causing assertion failures.
177 proc supports_gnu_unique {} {
178 if { [istarget *-*-gnu*]
179 || [istarget *-*-linux*]
180 || [istarget *-*-nacl*] } {
183 if { [istarget "arm*-*-*eabi*"] } {
186 if { ![istarget "*-*-elf*"] } {
189 if { [istarget "arm*-*-*"]
190 || [istarget "msp430-*-*"]
191 || [istarget "tic6x-*-*"]
192 || [istarget "visium-*-*"] } {
195 if { [istarget "am33_2.0-*-*"]
196 || [istarget "d30v-*-*"]
197 || [istarget "dlx-*-*"]
198 || [istarget "i960-*-*"]
199 || [istarget "pj*-*-*"] } {
205 # True for targets that do not sort .symtab as per the ELF standard.
206 # ie. any that have mips_elf32_be_vec, mips_elf32_le_vec,
207 # mips_elf32_n_be_vec or mips_elf32_n_le_vec as the primary bfd target
208 # vector in config.bfd. When syncing with config.bfd, don't forget that
209 # earlier case-matches trump later ones.
210 proc is_bad_symtab {} {
211 if { ![istarget "mips*-*-*"] } {
214 if { [istarget "*-*-chorus*"]
215 || [istarget "*-*-irix5*"]
216 || [istarget "*-*-irix6*"]
217 || [istarget "*-*-none"]
218 || [istarget "*-*-rtems*"]
219 || [istarget "*-*-windiss"] } {
222 if { [istarget "*-*-elf*"]
223 && ![istarget "*-sde-*"]
224 && ![istarget "*-mti-*"]
225 && ![istarget "*-img-*"] } {
228 if { [istarget "*-*-openbsd*"]
229 && ![istarget "mips64*-*-*"] } {
235 # Compare two files line-by-line. FILE_1 is the actual output and FILE_2
236 # is the expected output. Ignore blank lines in either file.
238 # FILE_2 is a series of regexps, comments and # directives. The directives
242 # Treat the test as a PASS if everything up till this point has
243 # matched. Ignore any remaining lines in either FILE_1 or FILE_2.
246 # Reverse the sense of the test: expect differences to exist.
250 # Skip all lines in FILE_1 until the first that matches REGEXP.
252 # Other # lines are comments. Regexp lines starting with the `!' character
253 # specify inverse matching (use `\!' for literal matching against a leading
254 # `!'). Skip empty lines in both files.
256 # The first optional argument is a list of regexp substitutions of the form:
258 # EXP1 SUBSPEC1 EXP2 SUBSPEC2 ...
260 # This tells the function to apply each regexp substitution EXPi->SUBSPECi
261 # in order to every line of FILE_2.
263 # Return nonzero if differences exist.
264 proc regexp_diff { file_1 file_2 args } {
272 if { [llength $args] > 0 } {
273 set ref_subst [lindex $args 0]
275 if { [llength $args] > 1 } {
276 perror "Too many arguments to regexp_diff"
280 if [file exists $file_1] then {
281 set file_a [open $file_1 r]
283 perror "$file_1 doesn't exist"
287 if [file exists $file_2] then {
288 set file_b [open $file_2 r]
290 perror "$file_2 doesn't exist"
295 verbose " Regexp-diff'ing: $file_1 $file_2" 2
300 while { [string length $line_a] == 0 } {
301 # Ignore blank line in FILE_1.
302 if { [gets $file_a line_a] == $eof } {
307 while { [string length $line_b] == 0 || [string match "#*" $line_b] } {
308 if { [string match "#pass" $line_b] } {
312 } elseif { [string match "#failif" $line_b] } {
313 send_log "fail if no difference\n"
314 verbose "fail if no difference" 3
316 } elseif { [string match "#..." $line_b] } {
317 if { [gets $file_b line_b] == $eof } {
322 set negated [expr { [string index $line_b 0] == "!" }]
323 set line_bx [string range $line_b $negated end]
324 set n [expr { $negated ? "! " : "" }]
325 # Substitute on the reference.
326 foreach {name value} $ref_subst {
327 regsub -- $name $line_bx $value line_bx
329 verbose "looking for $n\"^$line_bx$\"" 3
330 while { [expr [regexp "^$line_bx$" "$line_a"] == $negated] } {
331 verbose "skipping \"$line_a\"" 3
332 if { [gets $file_a line_a] == $eof } {
339 if { [gets $file_b line_b] == $eof } {
347 } elseif { $end_1 && $end_2 } {
349 } elseif { $end_1 } {
350 send_log "extra regexps in $file_2 starting with \"^$line_b$\"\nEOF from $file_1\n"
351 verbose "extra regexps in $file_2 starting with \"^$line_b$\"\nEOF from $file_1" 3
354 } elseif { $end_2 } {
355 send_log "extra lines in $file_1 starting with \"^$line_a$\"\nEOF from $file_2\n"
356 verbose "extra lines in $file_1 starting with \"^$line_a$\"\nEOF from $file_2\n" 3
360 set negated [expr { [string index $line_b 0] == "!" }]
361 set line_bx [string range $line_b $negated end]
362 set n [expr { $negated ? "! " : "" }]
363 set s [expr { $negated ? " " : "" }]
364 # Substitute on the reference.
365 foreach {name value} $ref_subst {
366 regsub -- $name $line_bx $value line_bx
368 verbose "regexp $n\"^$line_bx$\"\nline \"$line_a\"" 3
369 if { [expr [regexp "^$line_bx$" "$line_a"] == $negated] } {
370 send_log "regexp_diff match failure\n"
371 send_log "regexp $n\"^$line_bx$\"\nline $s\"$line_a\"\n"
372 verbose "regexp_diff match failure\n" 3
378 if { $differences == 0 && !$diff_pass && [eof $file_a] != [eof $file_b] } {
379 send_log "$file_1 and $file_2 are different lengths\n"
380 verbose "$file_1 and $file_2 are different lengths" 3
384 if { $fail_if_match } {
385 if { $differences == 0 } {