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9921923c | 1 | # Copyright (C) 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> |
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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 | |
79 | } | |
80 | if { [gets $file_b line_b] == $eof } { | |
81 | set end_2 1 | |
82 | break | |
83 | } | |
84 | } | |
85 | ||
86 | if { $diff_pass } { | |
87 | break | |
88 | } elseif { $end_1 && $end_2 } { | |
89 | break | |
90 | } elseif { $end_1 } { | |
91 | send_log "extra regexps in $file_2 starting with \"^$line_b$\"\nEOF from $file_1\n" | |
92 | verbose "extra regexps in $file_2 starting with \"^$line_b$\"\nEOF from $file_1" 3 | |
93 | set differences 1 | |
94 | break | |
95 | } elseif { $end_2 } { | |
96 | send_log "extra lines in $file_1 starting with \"^$line_a$\"\nEOF from $file_2\n" | |
97 | verbose "extra lines in $file_1 starting with \"^$line_a$\"\nEOF from $file_2\n" 3 | |
98 | set differences 1 | |
99 | break | |
100 | } else { | |
101 | verbose "regexp \"^$line_b$\"\nline \"$line_a\"" 3 | |
102 | if ![regexp "^$line_b$" "$line_a"] { | |
103 | send_log "regexp_diff match failure\n" | |
104 | send_log "regexp \"^$line_b$\"\nline \"$line_a\"\n" | |
105 | set differences 1 | |
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106 | } |
107 | } | |
108 | } | |
109 | ||
110 | if { $differences == 0 && !$diff_pass && [eof $file_a] != [eof $file_b] } { | |
111 | send_log "$file_1 and $file_2 are different lengths\n" | |
112 | verbose "$file_1 and $file_2 are different lengths" 3 | |
113 | set differences 1 | |
114 | } | |
115 | ||
116 | close $file_a | |
117 | close $file_b | |
118 | ||
119 | return $differences | |
120 | } | |
121 | ||
9921923c HPN |
122 | # Find out the size by reading the output of the EI_CLASS field. |
123 | # Similar to the test for readelf -h, but we're just looking for the | |
124 | # EI_CLASS line here. | |
125 | proc readelf_find_size { binary_file } { | |
126 | global READELF | |
127 | global READELFFLAGS | |
128 | global readelf_size | |
129 | ||
130 | set readelf_size "" | |
131 | set testname "finding out ELF size with readelf -h" | |
132 | catch "exec $READELF $READELFFLAGS -h $binary_file > readelf.out" got | |
133 | ||
134 | if ![string match "" $got] then { | |
135 | send_log $got | |
136 | fail $testname | |
137 | return | |
138 | } | |
139 | ||
140 | if { ! [regexp "\n\[ \]*Class:\[ \]*ELF(\[0-9\]+)\n" \ | |
141 | [file_contents readelf.out] nil readelf_size] } { | |
142 | verbose -log "EI_CLASS field not found in output" | |
143 | verbose -log "output is \n[file_contents readelf.out]" | |
144 | fail $testname | |
145 | return | |
146 | } else { | |
147 | verbose -log "ELF size is $readelf_size" | |
148 | } | |
149 | ||
150 | pass $testname | |
151 | } | |
152 | ||
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153 | # Run an individual readelf test. |
154 | # Basically readelf is run on the binary_file with the given options. | |
155 | # Readelf's output is captured and then compared against the contents | |
9921923c | 156 | # of the regexp_file-readelf_size if it exists, else regexp_file. |
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157 | |
158 | proc readelf_test { options binary_file regexp_file xfails } { | |
159 | ||
160 | global READELF | |
161 | global READELFFLAGS | |
9921923c | 162 | global readelf_size |
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163 | global srcdir |
164 | global subdir | |
165 | ||
9921923c | 166 | send_log "exec $READELF $READELFFLAGS $options $binary_file > readelf.out\n" |
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167 | catch "exec $READELF $READELFFLAGS $options $binary_file > readelf.out" got |
168 | ||
169 | if { [llength $xfails] != 0 } then { | |
170 | setup_xfail $xfails | |
171 | } | |
172 | ||
173 | if ![string match "" $got] then { | |
174 | send_log $got | |
175 | fail "readelf $options" | |
176 | return | |
177 | } | |
178 | ||
9921923c HPN |
179 | if { [file exists $srcdir/$subdir/$regexp_file-$readelf_size] } then { |
180 | set regexp_file $regexp_file-$readelf_size | |
181 | } | |
182 | ||
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183 | if { [regexp_diff readelf.out $srcdir/$subdir/$regexp_file] } then { |
184 | fail "readelf $options" | |
185 | verbose "output is \n[file_contents readelf.out]" 2 | |
186 | return | |
187 | } | |
188 | ||
189 | pass "readelf $options" | |
190 | } | |
191 | ||
192 | ||
193 | ||
194 | # Only ELF based toolchains need readelf. | |
195 | # For now be paranoid and assume that if ELF is not mentioned | |
196 | # in the target string, then the target is not an ELF based port. | |
197 | ||
198 | if ![istarget "*-*elf"] then { | |
9921923c | 199 | verbose "$READELF is only intended for ELF targets" 2 |
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200 | return |
201 | } | |
202 | ||
203 | if ![is_remote host] { | |
204 | if {[which $READELF] == 0} then { | |
205 | perror "$READELF does not exist" | |
206 | return | |
207 | } | |
208 | } | |
209 | ||
210 | send_user "Version [binutil_version $READELF]" | |
211 | ||
212 | # Assemle the test file. | |
213 | if {![binutils_assemble $srcdir/$subdir/bintest.s tmpdir/bintest.o]} then { | |
214 | perror "unresolved 1" | |
215 | unresolved "readelf - failed to assemble" | |
216 | return | |
217 | } | |
218 | ||
219 | if ![is_remote host] { | |
220 | set tempfile tmpdir/bintest.o; | |
221 | } else { | |
222 | set tempfile [remote_download host tmpdir/bintest.o] | |
223 | } | |
224 | ||
9921923c HPN |
225 | # First, determine the size, so specific output matchers can be used. |
226 | readelf_find_size $tempfile | |
227 | ||
228 | # Run the tests. | |
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229 | readelf_test -h $tempfile readelf.h {} |
230 | ||
231 | # The v850 fails the next two tests because it creates two special | |
232 | # sections of its own: .call_table_data and .call_table_text | |
233 | # The regexp scripts are not expecting these sections... | |
234 | ||
235 | readelf_test -S $tempfile readelf.s {v850*-*-*} | |
236 | readelf_test -s $tempfile readelf.ss {v850*-*-*} | |
237 | readelf_test -r $tempfile readelf.r {} | |
238 | ||
239 | ||
240 | # Compile the second test file. | |
241 | if { [target_compile $srcdir/$subdir/testprog.c tmpdir/testprog.o object debug] != "" } { | |
242 | untested "readelf -w" | |
243 | return | |
244 | } | |
245 | ||
246 | if [is_remote host] { | |
247 | set tempfile [remote_download host tmpdir/testprog.o]; | |
248 | } else { | |
249 | set tempfile tmpdir/testprog.o | |
250 | } | |
251 | ||
252 | # The xfail targets here do not default to DWARF2 format debug information | |
253 | # The symptom is that the output of 'readelf -wi' is empty. | |
254 | ||
255 | readelf_test -wi $tempfile readelf.wi {v850*-*-*} |