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6f2750fe | 1 | # Copyright (C) 1993-2016 Free Software Foundation, Inc. |
f3097f33 RS |
2 | # |
3 | # This file is part of the GNU Binutils. | |
4 | # | |
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. | |
9 | # | |
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. | |
14 | # | |
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, | |
18 | # MA 02110-1301, USA. | |
19 | ||
20 | # True if the object format is known to be ELF. | |
21 | # | |
22 | proc is_elf_format {} { | |
23 | if { ![istarget *-*-sysv4*] | |
24 | && ![istarget *-*-unixware*] | |
25 | && ![istarget *-*-elf*] | |
26 | && ![istarget *-*-eabi*] | |
27 | && ![istarget *-*-rtems*] | |
28 | && ![istarget hppa*64*-*-hpux*] | |
29 | && ![istarget ia64-*-hpux*] | |
30 | && ![istarget *-*-linux*] | |
31 | && ![istarget *-*-gnu*] | |
5a68afcf | 32 | && ![istarget *-*-nacl*] |
f3097f33 RS |
33 | && ![istarget frv-*-uclinux*] |
34 | && ![istarget bfin-*-uclinux] | |
35 | && ![istarget sh*-*-uclinux*] | |
ac145307 | 36 | && ![istarget tic6x*-*-uclinux*] |
f3097f33 RS |
37 | && ![istarget *-*-irix5*] |
38 | && ![istarget *-*-irix6*] | |
7e16ef34 | 39 | && ![istarget *-*-freebsd*] |
f3097f33 RS |
40 | && ![istarget *-*-netbsd*] |
41 | && ![istarget *-*-openbsd*] | |
42 | && ![istarget *-*-solaris2*] } { | |
43 | return 0 | |
44 | } | |
45 | ||
7e16ef34 EM |
46 | if { [istarget i?86-*-freebsd\[12\].*] } { |
47 | return 0 | |
48 | } | |
49 | ||
f3097f33 | 50 | if { [istarget *-*-linux*aout*] |
df26367c | 51 | || [istarget *-*-linux*ecoff*] |
f3097f33 RS |
52 | || [istarget *-*-linux*oldld*] |
53 | || [istarget h8500-*-rtems*] | |
54 | || [istarget i960-*-rtems*] | |
55 | || [istarget *-*-rtemscoff*] } { | |
56 | return 0 | |
57 | } | |
58 | ||
59 | if { ![istarget *-*-netbsdelf*] | |
60 | && ([istarget *-*-netbsd*aout*] | |
61 | || [istarget *-*-netbsdpe*] | |
62 | || [istarget arm*-*-netbsd*] | |
63 | || [istarget sparc-*-netbsd*] | |
64 | || [istarget i*86-*-netbsd*] | |
65 | || [istarget m68*-*-netbsd*] | |
66 | || [istarget vax-*-netbsd*] | |
67 | || [istarget ns32k-*-netbsd*]) } { | |
68 | return 0 | |
69 | } | |
70 | ||
71 | if { [istarget arm-*-openbsd*] | |
72 | || [istarget i386-*-openbsd\[0-2\].*] | |
73 | || [istarget i386-*-openbsd3.\[0-2\]] | |
74 | || [istarget m68*-*-openbsd*] | |
75 | || [istarget ns32k-*-openbsd*] | |
76 | || [istarget sparc-*-openbsd\[0-2\].*] | |
77 | || [istarget sparc-*-openbsd3.\[0-1\]] | |
78 | || [istarget vax-*-openbsd*] } { | |
79 | return 0 | |
80 | } | |
81 | ||
82 | return 1 | |
83 | } | |
84 | ||
85 | # True if the object format is known to be a.out. | |
86 | # | |
87 | proc is_aout_format {} { | |
88 | if { [istarget *-*-netbsdelf] | |
89 | || [istarget sparc64-*-netbsd*] | |
90 | || [istarget sparc64-*-openbsd*] } { | |
91 | return 0 | |
92 | } | |
93 | if { [istarget *-*-*\[ab\]out*] | |
94 | || [istarget *-*-linux*oldld*] | |
95 | || [istarget *-*-bsd*] | |
96 | || [istarget *-*-msdos*] | |
97 | || [istarget arm-*-netbsd*] | |
98 | || [istarget arm-*-openbsd*] | |
99 | || [istarget arm-*-riscix*] | |
7e16ef34 | 100 | || [istarget i?86-*-freebsd\[12\].*] |
f3097f33 RS |
101 | || [istarget i?86-*-netbsd*] |
102 | || [istarget i?86-*-openbsd\[0-2\]*] | |
103 | || [istarget i?86-*-openbsd3.\[0-2\]*] | |
104 | || [istarget i?86-*-vsta] | |
105 | || [istarget i?86-*-mach*] | |
106 | || [istarget m68*-*-netbsd*] | |
107 | || [istarget m68*-*-openbsd*] | |
108 | || [istarget ns32k-*-*] | |
109 | || [istarget pdp11-*-*] | |
110 | || [istarget sparc*-*-sunos4*] | |
111 | || [istarget sparc*-*-netbsd*] | |
112 | || [istarget sparc*-*-openbsd\[0-2\]*] | |
113 | || [istarget sparc*-*-openbsd3.\[0-1\]*] | |
114 | || [istarget sparc*-fujitsu-none] | |
115 | || [istarget vax-dec-ultrix*] | |
116 | || [istarget vax-*-netbsd] } { | |
117 | return 1 | |
118 | } | |
119 | return 0 | |
120 | } | |
121 | ||
122 | # True if the object format is known to be PE COFF. | |
123 | # | |
124 | proc is_pecoff_format {} { | |
125 | if { ![istarget *-*-mingw*] | |
126 | && ![istarget *-*-cygwin*] | |
127 | && ![istarget *-*-cegcc*] | |
128 | && ![istarget *-*-pe*] } { | |
129 | return 0 | |
130 | } | |
131 | ||
132 | return 1 | |
133 | } | |
134 | ||
135 | # True if the object format is known to be 64-bit ELF. | |
136 | # | |
137 | proc is_elf64 { binary_file } { | |
138 | global READELF | |
139 | global READELFFLAGS | |
140 | ||
141 | set readelf_size "" | |
142 | catch "exec $READELF $READELFFLAGS -h $binary_file > readelf.out" got | |
143 | ||
144 | if ![string match "" $got] then { | |
145 | return 0 | |
146 | } | |
147 | ||
148 | if { ![regexp "\n\[ \]*Class:\[ \]*ELF(\[0-9\]+)\n" \ | |
149 | [file_contents readelf.out] nil readelf_size] } { | |
150 | return 0 | |
151 | } | |
152 | ||
153 | if { $readelf_size == "64" } { | |
154 | return 1 | |
155 | } | |
156 | ||
157 | return 0 | |
158 | } | |
eb22018c RS |
159 | |
160 | # Compare two files line-by-line. FILE_1 is the actual output and FILE_2 | |
161 | # is the expected output. Ignore blank lines in either file. | |
162 | # | |
163 | # FILE_2 is a series of regexps, comments and # directives. The directives | |
164 | # are: | |
165 | # | |
166 | # #pass | |
167 | # Treat the test as a PASS if everything up till this point has | |
168 | # matched. Ignore any remaining lines in either FILE_1 or FILE_2. | |
169 | # | |
170 | # #failif | |
171 | # Reverse the sense of the test: expect differences to exist. | |
172 | # | |
173 | # #... | |
174 | # REGEXP | |
175 | # Skip all lines in FILE_1 until the first that matches REGEXP. | |
176 | # | |
738f4d98 MR |
177 | # Other # lines are comments. Regexp lines starting with the `!' character |
178 | # specify inverse matching (use `\!' for literal matching against a leading | |
179 | # `!'). Skip empty lines in both files. | |
eb22018c RS |
180 | # |
181 | # The first optional argument is a list of regexp substitutions of the form: | |
182 | # | |
183 | # EXP1 SUBSPEC1 EXP2 SUBSPEC2 ... | |
184 | # | |
185 | # This tells the function to apply each regexp substitution EXPi->SUBSPECi | |
186 | # in order to every line of FILE_2. | |
187 | # | |
188 | # Return nonzero if differences exist. | |
189 | proc regexp_diff { file_1 file_2 args } { | |
190 | set eof -1 | |
191 | set end_1 0 | |
192 | set end_2 0 | |
193 | set differences 0 | |
194 | set diff_pass 0 | |
195 | set fail_if_match 0 | |
196 | set ref_subst "" | |
197 | if { [llength $args] > 0 } { | |
198 | set ref_subst [lindex $args 0] | |
199 | } | |
200 | if { [llength $args] > 1 } { | |
201 | perror "Too many arguments to regexp_diff" | |
202 | return 1 | |
203 | } | |
204 | ||
205 | if [file exists $file_1] then { | |
206 | set file_a [open $file_1 r] | |
207 | } else { | |
208 | perror "$file_1 doesn't exist" | |
209 | return 1 | |
210 | } | |
211 | ||
212 | if [file exists $file_2] then { | |
213 | set file_b [open $file_2 r] | |
214 | } else { | |
215 | perror "$file_2 doesn't exist" | |
216 | close $file_a | |
217 | return 1 | |
218 | } | |
219 | ||
220 | verbose " Regexp-diff'ing: $file_1 $file_2" 2 | |
221 | ||
222 | while { 1 } { | |
223 | set line_a "" | |
224 | set line_b "" | |
225 | while { [string length $line_a] == 0 } { | |
226 | # Ignore blank line in FILE_1. | |
227 | if { [gets $file_a line_a] == $eof } { | |
228 | set end_1 1 | |
229 | break | |
230 | } | |
231 | } | |
232 | while { [string length $line_b] == 0 || [string match "#*" $line_b] } { | |
233 | if { [string match "#pass" $line_b] } { | |
234 | set end_2 1 | |
235 | set diff_pass 1 | |
236 | break | |
237 | } elseif { [string match "#failif" $line_b] } { | |
238 | send_log "fail if no difference\n" | |
239 | verbose "fail if no difference" 3 | |
240 | set fail_if_match 1 | |
241 | } elseif { [string match "#..." $line_b] } { | |
242 | if { [gets $file_b line_b] == $eof } { | |
243 | set end_2 1 | |
244 | set diff_pass 1 | |
245 | break | |
246 | } | |
47a50e5b | 247 | set negated [expr { [string index $line_b 0] == "!" }] |
738f4d98 MR |
248 | set line_bx [string range $line_b $negated end] |
249 | set n [expr { $negated ? "! " : "" }] | |
eb22018c RS |
250 | # Substitute on the reference. |
251 | foreach {name value} $ref_subst { | |
738f4d98 | 252 | regsub -- $name $line_bx $value line_bx |
eb22018c | 253 | } |
738f4d98 MR |
254 | verbose "looking for $n\"^$line_bx$\"" 3 |
255 | while { [expr [regexp "^$line_bx$" "$line_a"] == $negated] } { | |
eb22018c RS |
256 | verbose "skipping \"$line_a\"" 3 |
257 | if { [gets $file_a line_a] == $eof } { | |
258 | set end_1 1 | |
259 | break | |
260 | } | |
261 | } | |
262 | break | |
263 | } | |
264 | if { [gets $file_b line_b] == $eof } { | |
265 | set end_2 1 | |
266 | break | |
267 | } | |
268 | } | |
269 | ||
270 | if { $diff_pass } { | |
271 | break | |
272 | } elseif { $end_1 && $end_2 } { | |
273 | break | |
274 | } elseif { $end_1 } { | |
275 | send_log "extra regexps in $file_2 starting with \"^$line_b$\"\nEOF from $file_1\n" | |
276 | verbose "extra regexps in $file_2 starting with \"^$line_b$\"\nEOF from $file_1" 3 | |
277 | set differences 1 | |
278 | break | |
279 | } elseif { $end_2 } { | |
280 | send_log "extra lines in $file_1 starting with \"^$line_a$\"\nEOF from $file_2\n" | |
281 | verbose "extra lines in $file_1 starting with \"^$line_a$\"\nEOF from $file_2\n" 3 | |
282 | set differences 1 | |
283 | break | |
284 | } else { | |
47a50e5b | 285 | set negated [expr { [string index $line_b 0] == "!" }] |
738f4d98 MR |
286 | set line_bx [string range $line_b $negated end] |
287 | set n [expr { $negated ? "! " : "" }] | |
288 | set s [expr { $negated ? " " : "" }] | |
eb22018c RS |
289 | # Substitute on the reference. |
290 | foreach {name value} $ref_subst { | |
738f4d98 | 291 | regsub -- $name $line_bx $value line_bx |
eb22018c | 292 | } |
738f4d98 MR |
293 | verbose "regexp $n\"^$line_bx$\"\nline \"$line_a\"" 3 |
294 | if { [expr [regexp "^$line_bx$" "$line_a"] == $negated] } { | |
eb22018c | 295 | send_log "regexp_diff match failure\n" |
738f4d98 | 296 | send_log "regexp $n\"^$line_bx$\"\nline $s\"$line_a\"\n" |
eb22018c RS |
297 | verbose "regexp_diff match failure\n" 3 |
298 | set differences 1 | |
299 | } | |
300 | } | |
301 | } | |
302 | ||
303 | if { $differences == 0 && !$diff_pass && [eof $file_a] != [eof $file_b] } { | |
304 | send_log "$file_1 and $file_2 are different lengths\n" | |
305 | verbose "$file_1 and $file_2 are different lengths" 3 | |
306 | set differences 1 | |
307 | } | |
308 | ||
309 | if { $fail_if_match } { | |
310 | if { $differences == 0 } { | |
311 | set differences 1 | |
312 | } else { | |
313 | set differences 0 | |
314 | } | |
315 | } | |
316 | ||
317 | close $file_a | |
318 | close $file_b | |
319 | ||
320 | return $differences | |
321 | } |