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8c2bc687 | 1 | # Copyright 1999, 2000 Free Software Foundation, Inc. |
252b5132 RH |
2 | |
3 | # This program is free software; you can redistribute it and/or modify | |
4 | # it under the terms of the GNU General Public License as published by | |
5 | # the Free Software Foundation; either version 2 of the License, or | |
6 | # (at your option) any later version. | |
7 | # | |
8 | # This program is distributed in the hope that it will be useful, | |
9 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | # GNU General Public License for more details. | |
12 | # | |
13 | # You should have received a copy of the GNU General Public License | |
14 | # along with this program; if not, write to the Free Software | |
15 | # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
16 | ||
17 | # Please email any bugs, comments, and/or additions to this file to: | |
18 | # bug-dejagnu@prep.ai.mit.edu | |
19 | ||
113675b7 | 20 | # Written by Nick Clifton <nickc@cygnus.com> |
252b5132 RH |
21 | # Based on scripts written by Ian Lance Taylor <ian@cygnus.com> |
22 | # and Ken Raeburn <raeburn@cygnus.com>. | |
23 | ||
24 | # First some helpful procedures, then the tests themselves | |
25 | ||
26 | # Return the contents of the filename given | |
27 | proc file_contents { filename } { | |
28 | set file [open $filename r] | |
29 | set contents [read $file] | |
30 | close $file | |
31 | return $contents | |
32 | } | |
33 | ||
34 | # regexp_diff, based on simple_diff taken from ld test suite | |
35 | # compares two files line-by-line | |
36 | # file1 contains strings, file2 contains regexps and #-comments | |
37 | # blank lines are ignored in either file | |
38 | # returns non-zero if differences exist | |
39 | # | |
40 | proc regexp_diff { file_1 file_2 } { | |
41 | ||
42 | set eof -1 | |
43 | set end_1 0 | |
44 | set end_2 0 | |
45 | set differences 0 | |
46 | set diff_pass 0 | |
47 | ||
48 | if [file exists $file_1] then { | |
49 | set file_a [open $file_1 r] | |
50 | } else { | |
51 | warning "$file_1 doesn't exist" | |
52 | return 1 | |
53 | } | |
54 | ||
55 | if [file exists $file_2] then { | |
56 | set file_b [open $file_2 r] | |
57 | } else { | |
58 | fail "$file_2 doesn't exist" | |
59 | close $file_a | |
60 | return 1 | |
61 | } | |
62 | ||
63 | verbose " Regexp-diff'ing: $file_1 $file_2" 2 | |
64 | ||
65 | while { 1 } { | |
66 | set line_a "" | |
67 | set line_b "" | |
68 | while { [string length $line_a] == 0 } { | |
69 | if { [gets $file_a line_a] == $eof } { | |
70 | set end_1 1 | |
71 | break | |
72 | } | |
73 | } | |
74 | while { [string length $line_b] == 0 || [string match "#*" $line_b] } { | |
75 | if [ string match "#pass" $line_b ] { | |
76 | set end_2 1 | |
77 | set diff_pass 1 | |
78 | break | |
ade0b24f NC |
79 | } elseif [ string match "#..." $line_b ] { |
80 | if { [gets $file_b line_b] == $eof } { | |
81 | set end_2 1 | |
82 | break | |
83 | } | |
84 | verbose "looking for \"^$line_b$\"" 3 | |
85 | while { ![regexp "^$line_b$" "$line_a"] } { | |
86 | verbose "skipping \"$line_a\"" 3 | |
87 | if { [gets $file_a line_a] == $eof } { | |
88 | set end_1 1 | |
89 | break | |
90 | } | |
91 | } | |
92 | break | |
252b5132 RH |
93 | } |
94 | if { [gets $file_b line_b] == $eof } { | |
95 | set end_2 1 | |
96 | break | |
97 | } | |
98 | } | |
99 | ||
100 | if { $diff_pass } { | |
101 | break | |
102 | } elseif { $end_1 && $end_2 } { | |
103 | break | |
104 | } elseif { $end_1 } { | |
105 | send_log "extra regexps in $file_2 starting with \"^$line_b$\"\nEOF from $file_1\n" | |
106 | verbose "extra regexps in $file_2 starting with \"^$line_b$\"\nEOF from $file_1" 3 | |
107 | set differences 1 | |
108 | break | |
109 | } elseif { $end_2 } { | |
110 | send_log "extra lines in $file_1 starting with \"^$line_a$\"\nEOF from $file_2\n" | |
111 | verbose "extra lines in $file_1 starting with \"^$line_a$\"\nEOF from $file_2\n" 3 | |
112 | set differences 1 | |
113 | break | |
114 | } else { | |
115 | verbose "regexp \"^$line_b$\"\nline \"$line_a\"" 3 | |
116 | if ![regexp "^$line_b$" "$line_a"] { | |
117 | send_log "regexp_diff match failure\n" | |
118 | send_log "regexp \"^$line_b$\"\nline \"$line_a\"\n" | |
119 | set differences 1 | |
252b5132 RH |
120 | } |
121 | } | |
122 | } | |
123 | ||
124 | if { $differences == 0 && !$diff_pass && [eof $file_a] != [eof $file_b] } { | |
125 | send_log "$file_1 and $file_2 are different lengths\n" | |
126 | verbose "$file_1 and $file_2 are different lengths" 3 | |
127 | set differences 1 | |
128 | } | |
129 | ||
130 | close $file_a | |
131 | close $file_b | |
132 | ||
133 | return $differences | |
134 | } | |
135 | ||
9921923c HPN |
136 | # Find out the size by reading the output of the EI_CLASS field. |
137 | # Similar to the test for readelf -h, but we're just looking for the | |
138 | # EI_CLASS line here. | |
139 | proc readelf_find_size { binary_file } { | |
140 | global READELF | |
141 | global READELFFLAGS | |
142 | global readelf_size | |
143 | ||
144 | set readelf_size "" | |
145 | set testname "finding out ELF size with readelf -h" | |
146 | catch "exec $READELF $READELFFLAGS -h $binary_file > readelf.out" got | |
147 | ||
148 | if ![string match "" $got] then { | |
149 | send_log $got | |
150 | fail $testname | |
151 | return | |
152 | } | |
153 | ||
154 | if { ! [regexp "\n\[ \]*Class:\[ \]*ELF(\[0-9\]+)\n" \ | |
155 | [file_contents readelf.out] nil readelf_size] } { | |
156 | verbose -log "EI_CLASS field not found in output" | |
157 | verbose -log "output is \n[file_contents readelf.out]" | |
158 | fail $testname | |
159 | return | |
160 | } else { | |
161 | verbose -log "ELF size is $readelf_size" | |
162 | } | |
163 | ||
164 | pass $testname | |
165 | } | |
166 | ||
252b5132 RH |
167 | # Run an individual readelf test. |
168 | # Basically readelf is run on the binary_file with the given options. | |
169 | # Readelf's output is captured and then compared against the contents | |
9921923c | 170 | # of the regexp_file-readelf_size if it exists, else regexp_file. |
252b5132 RH |
171 | |
172 | proc readelf_test { options binary_file regexp_file xfails } { | |
173 | ||
174 | global READELF | |
175 | global READELFFLAGS | |
9921923c | 176 | global readelf_size |
252b5132 RH |
177 | global srcdir |
178 | global subdir | |
179 | ||
9921923c | 180 | send_log "exec $READELF $READELFFLAGS $options $binary_file > readelf.out\n" |
252b5132 RH |
181 | catch "exec $READELF $READELFFLAGS $options $binary_file > readelf.out" got |
182 | ||
9a1c9383 NC |
183 | foreach xfail $xfails { |
184 | setup_xfail $xfail | |
252b5132 RH |
185 | } |
186 | ||
187 | if ![string match "" $got] then { | |
188 | send_log $got | |
189 | fail "readelf $options" | |
190 | return | |
191 | } | |
192 | ||
ade0b24f NC |
193 | set target_machine "" |
194 | if [istarget "mips*-*-*"] then { | |
195 | set target_machine mips | |
196 | } | |
197 | ||
198 | if { $target_machine != "" && [file exists $srcdir/$subdir/$regexp_file-$readelf_size-$target_machine] } then { | |
199 | set regexp_file $regexp_file-$readelf_size-$target_machine | |
200 | } elseif { $target_machine != "" && [file exists $srcdir/$subdir/$regexp_file-$target_machine] } then { | |
201 | set regexp_file $regexp_file-$target_machine | |
202 | } elseif { [file exists $srcdir/$subdir/$regexp_file-$readelf_size] } then { | |
9921923c HPN |
203 | set regexp_file $regexp_file-$readelf_size |
204 | } | |
205 | ||
252b5132 RH |
206 | if { [regexp_diff readelf.out $srcdir/$subdir/$regexp_file] } then { |
207 | fail "readelf $options" | |
208 | verbose "output is \n[file_contents readelf.out]" 2 | |
209 | return | |
210 | } | |
211 | ||
212 | pass "readelf $options" | |
213 | } | |
214 | ||
215 | ||
216 | ||
217 | # Only ELF based toolchains need readelf. | |
218 | # For now be paranoid and assume that if ELF is not mentioned | |
219 | # in the target string, then the target is not an ELF based port. | |
220 | ||
69e37bf6 L |
221 | if { ![istarget *-*-elf*] \ |
222 | && ![istarget *-*-linux*] \ | |
223 | && ![istarget i?86-*-sysv4*] \ | |
224 | && ![istarget i?86-*-unixware] \ | |
225 | && ![istarget mips*-*-irix5*] \ | |
226 | && ![istarget mips*-*-irix6*] \ | |
227 | && ![istarget powerpc-*-sysv4*] \ | |
228 | && ![istarget sparc*-*-solaris2*] } { | |
229 | verbose "$READELF is only intended for ELF targets" 2 | |
230 | return | |
231 | } | |
232 | ||
c709b096 AM |
233 | if { [istarget *-*-linux*oldld*] \ |
234 | || [istarget *-*-linux*aout*] } { | |
9921923c | 235 | verbose "$READELF is only intended for ELF targets" 2 |
252b5132 RH |
236 | return |
237 | } | |
238 | ||
239 | if ![is_remote host] { | |
240 | if {[which $READELF] == 0} then { | |
241 | perror "$READELF does not exist" | |
242 | return | |
243 | } | |
244 | } | |
245 | ||
246 | send_user "Version [binutil_version $READELF]" | |
247 | ||
248 | # Assemle the test file. | |
249 | if {![binutils_assemble $srcdir/$subdir/bintest.s tmpdir/bintest.o]} then { | |
250 | perror "unresolved 1" | |
251 | unresolved "readelf - failed to assemble" | |
252 | return | |
253 | } | |
254 | ||
255 | if ![is_remote host] { | |
256 | set tempfile tmpdir/bintest.o; | |
257 | } else { | |
258 | set tempfile [remote_download host tmpdir/bintest.o] | |
259 | } | |
260 | ||
9921923c HPN |
261 | # First, determine the size, so specific output matchers can be used. |
262 | readelf_find_size $tempfile | |
263 | ||
264 | # Run the tests. | |
252b5132 | 265 | readelf_test -h $tempfile readelf.h {} |
ade0b24f NC |
266 | readelf_test -S $tempfile readelf.s {} |
267 | readelf_test -s $tempfile readelf.ss {} | |
252b5132 RH |
268 | readelf_test -r $tempfile readelf.r {} |
269 | ||
270 | ||
271 | # Compile the second test file. | |
272 | if { [target_compile $srcdir/$subdir/testprog.c tmpdir/testprog.o object debug] != "" } { | |
273 | untested "readelf -w" | |
274 | return | |
275 | } | |
276 | ||
277 | if [is_remote host] { | |
278 | set tempfile [remote_download host tmpdir/testprog.o]; | |
279 | } else { | |
280 | set tempfile tmpdir/testprog.o | |
281 | } | |
282 | ||
283 | # The xfail targets here do not default to DWARF2 format debug information | |
284 | # The symptom is that the output of 'readelf -wi' is empty. | |
285 | ||
69e37bf6 | 286 | readelf_test -wi $tempfile readelf.wi {v850*-*-* cris-*-* *-*-linux*} |