Commit | Line | Data |
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252b5132 RH |
1 | # |
2 | # default_ld_version | |
3 | # extract and print the version number of ld | |
4 | # | |
5 | proc default_ld_version { ld } { | |
6 | global host_triplet | |
7 | ||
8 | if { [which $ld] == 0 } then { | |
9 | perror "$ld does not exist" | |
10 | exit 1 | |
11 | } | |
12 | ||
13 | catch "exec $ld --version" tmp | |
14 | set tmp [prune_warnings $tmp] | |
15 | regexp "\[^\n\]* (cygnus-|)(\[-0-9.a-zA-Z-\]+)\[\r\n\].*" $tmp version cyg number | |
16 | if [info exists number] then { | |
17 | clone_output "$ld $number\n" | |
18 | } | |
19 | } | |
20 | ||
21 | # | |
22 | # default_ld_relocate | |
23 | # link an object using relocation | |
24 | # | |
25 | proc default_ld_relocate { ld target objects } { | |
26 | global HOSTING_EMU | |
27 | global host_triplet | |
28 | ||
29 | if { [which $ld] == 0 } then { | |
30 | perror "$ld does not exist" | |
31 | return 0 | |
32 | } | |
33 | ||
34 | verbose -log "$ld $HOSTING_EMU -o $target -r $objects" | |
35 | ||
36 | catch "exec $ld $HOSTING_EMU -o $target -r $objects" exec_output | |
37 | set exec_output [prune_warnings $exec_output] | |
38 | if [string match "" $exec_output] then { | |
39 | return 1 | |
40 | } else { | |
41 | verbose -log "$exec_output" | |
42 | return 0 | |
43 | } | |
44 | } | |
45 | ||
38e31547 NC |
46 | # Look for big-endian or little-endian switches in the multlib |
47 | # options and translate these into a -EB or -EL switch. Note | |
48 | # we cannot rely upon proc process_multilib_options to do this | |
49 | # for us because for some targets the compiler does not support | |
50 | # -EB/-EL but it does support -mbig-endian/-mlittle-endian, and | |
51 | # the site.exp file will include the switch "-mbig-endian" | |
52 | # (rather than "big-endian") which is not detected by proc | |
53 | # process_multilib_options. | |
54 | ||
55 | proc big_or_little_endian {} { | |
56 | ||
57 | if [board_info [target_info name] exists multilib_flags] { | |
58 | set tmp_flags " [board_info [target_info name] multilib_flags]"; | |
59 | ||
60 | foreach x $tmp_flags { | |
61 | case $x in { | |
62 | {*big*endian eb EB} { | |
63 | set flags " -EB" | |
64 | return $flags | |
65 | } | |
66 | {*little*endian el EL} { | |
67 | set flags " -EL" | |
68 | return $flags | |
69 | } | |
70 | } | |
71 | } | |
72 | } | |
73 | ||
74 | set flags "" | |
75 | return $flags | |
76 | } | |
252b5132 RH |
77 | |
78 | # | |
79 | # default_ld_link | |
80 | # link a program using ld | |
81 | # | |
82 | proc default_ld_link { ld target objects } { | |
83 | global HOSTING_EMU | |
84 | global HOSTING_CRT0 | |
85 | global HOSTING_LIBS | |
86 | global host_triplet | |
87 | ||
88 | set objs "$HOSTING_CRT0 $objects" | |
89 | set libs "$HOSTING_LIBS" | |
90 | ||
91 | if { [which $ld] == 0 } then { | |
92 | perror "$ld does not exist" | |
93 | return 0 | |
94 | } | |
95 | ||
38e31547 NC |
96 | set flags [big_or_little_endian] |
97 | ||
98 | verbose -log "$ld $HOSTING_EMU $flags -o $target $objs $libs" | |
252b5132 | 99 | |
38e31547 | 100 | catch "exec $ld $HOSTING_EMU $flags -o $target $objs $libs" exec_output |
252b5132 RH |
101 | set exec_output [prune_warnings $exec_output] |
102 | if [string match "" $exec_output] then { | |
103 | return 1 | |
104 | } else { | |
105 | verbose -log "$exec_output" | |
106 | return 0 | |
107 | } | |
108 | } | |
109 | ||
110 | # | |
111 | # default_ld_simple_link | |
112 | # link a program using ld, without including any libraries | |
113 | # | |
114 | proc default_ld_simple_link { ld target objects } { | |
115 | global host_triplet | |
116 | ||
117 | if { [which $ld] == 0 } then { | |
118 | perror "$ld does not exist" | |
119 | return 0 | |
120 | } | |
121 | ||
38e31547 NC |
122 | set flags [big_or_little_endian] |
123 | ||
124 | verbose -log "$ld $flags -o $target $objects" | |
252b5132 | 125 | |
38e31547 | 126 | catch "exec $ld $flags -o $target $objects" exec_output |
252b5132 RH |
127 | set exec_output [prune_warnings $exec_output] |
128 | ||
129 | # We don't care if we get a warning about a non-existent start | |
130 | # symbol, since the default linker script might use ENTRY. | |
131 | regsub -all "(^|\n)(\[^\n\]*: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output | |
132 | ||
133 | if [string match "" $exec_output] then { | |
134 | return 1 | |
135 | } else { | |
136 | verbose -log "$exec_output" | |
137 | return 0 | |
138 | } | |
139 | } | |
140 | ||
141 | # | |
142 | # default_ld_compile | |
143 | # compile an object using cc | |
144 | # | |
145 | proc default_ld_compile { cc source object } { | |
146 | global CFLAGS | |
147 | global srcdir | |
148 | global subdir | |
149 | global host_triplet | |
150 | global gcc_gas_flag | |
151 | ||
152 | set cc_prog $cc | |
153 | if {[llength $cc_prog] > 1} then { | |
154 | set cc_prog [lindex $cc_prog 0] | |
155 | } | |
156 | if {[which $cc_prog] == 0} then { | |
157 | perror "$cc_prog does not exist" | |
158 | return 0 | |
159 | } | |
160 | ||
161 | catch "exec rm -f $object" exec_output | |
162 | ||
163 | set flags "-I$srcdir/$subdir $CFLAGS" | |
164 | ||
165 | # If we are compiling with gcc, we want to add gcc_gas_flag to | |
166 | # flags. Rather than determine this in some complex way, we guess | |
167 | # based on the name of the compiler. | |
168 | if {[string match "*gcc*" $cc] || [string match "*++*" $cc]} then { | |
169 | set flags "$gcc_gas_flag $flags" | |
170 | } | |
171 | ||
38e31547 NC |
172 | if [board_info [target_info name] exists multilib_flags] { |
173 | append flags " [board_info [target_info name] multilib_flags]"; | |
174 | } | |
175 | ||
252b5132 RH |
176 | verbose -log "$cc $flags -c $source -o $object" |
177 | ||
178 | catch "exec $cc $flags -c $source -o $object" exec_output | |
179 | set exec_output [prune_warnings $exec_output] | |
180 | if [string match "" $exec_output] then { | |
181 | if {![file exists $object]} then { | |
182 | regexp ".*/(\[^/\]*)$" $source all dobj | |
183 | regsub "\\.c" $dobj ".o" realobj | |
184 | verbose "looking for $realobj" | |
185 | if {[file exists $realobj]} then { | |
186 | verbose -log "mv $realobj $object" | |
187 | catch "exec mv $realobj $object" exec_output | |
188 | set exec_output [prune_warnings $exec_output] | |
189 | if {![string match "" $exec_output]} then { | |
190 | verbose -log "$exec_output" | |
191 | perror "could not move $realobj to $object" | |
192 | return 0 | |
193 | } | |
194 | } else { | |
195 | perror "$object not found after compilation" | |
196 | return 0 | |
197 | } | |
198 | } | |
199 | return 1 | |
200 | } else { | |
201 | verbose -log "$exec_output" | |
202 | perror "$source: compilation failed" | |
203 | return 0 | |
204 | } | |
205 | } | |
206 | ||
207 | # | |
208 | # default_ld_assemble | |
209 | # assemble a file | |
210 | # | |
211 | proc default_ld_assemble { as source object } { | |
212 | global ASFLAGS | |
213 | global host_triplet | |
214 | ||
215 | if {[which $as] == 0} then { | |
216 | perror "$as does not exist" | |
217 | return 0 | |
218 | } | |
219 | ||
220 | if ![info exists ASFLAGS] { set ASFLAGS "" } | |
221 | ||
38e31547 NC |
222 | set flags [big_or_little_endian] |
223 | ||
224 | verbose -log "$as $flags $ASFLAGS -o $object $source" | |
252b5132 | 225 | |
38e31547 | 226 | catch "exec $as $flags $ASFLAGS -o $object $source" exec_output |
252b5132 RH |
227 | set exec_output [prune_warnings $exec_output] |
228 | if [string match "" $exec_output] then { | |
229 | return 1 | |
230 | } else { | |
231 | verbose -log "$exec_output" | |
232 | perror "$source: assembly failed" | |
233 | return 0 | |
234 | } | |
235 | } | |
236 | ||
237 | # | |
238 | # default_ld_nm | |
239 | # run nm on a file, putting the result in the array nm_output | |
240 | # | |
241 | proc default_ld_nm { nm object } { | |
242 | global NMFLAGS | |
243 | global nm_output | |
244 | global host_triplet | |
245 | ||
246 | if {[which $nm] == 0} then { | |
247 | perror "$nm does not exist" | |
248 | return 0 | |
249 | } | |
250 | ||
77e0b0ef ILT |
251 | if {[info exists nm_output]} { |
252 | unset nm_output | |
253 | } | |
254 | ||
252b5132 RH |
255 | if ![info exists NMFLAGS] { set NMFLAGS "" } |
256 | ||
257 | verbose -log "$nm $NMFLAGS $object >tmpdir/nm.out" | |
258 | ||
259 | catch "exec $nm $NMFLAGS $object >tmpdir/nm.out" exec_output | |
260 | set exec_output [prune_warnings $exec_output] | |
261 | if [string match "" $exec_output] then { | |
262 | set file [open tmpdir/nm.out r] | |
263 | while { [gets $file line] != -1 } { | |
264 | verbose "$line" 2 | |
265 | if [regexp "^(\[0-9a-fA-F\]+) \[a-zA-Z0-9\] (.+)$" $line whole value name] { | |
266 | set name [string trimleft $name "_"] | |
267 | verbose "Setting nm_output($name) to 0x$value" 2 | |
268 | set nm_output($name) 0x$value | |
269 | } | |
270 | } | |
271 | close $file | |
272 | return 1 | |
273 | } else { | |
274 | verbose -log "$exec_output" | |
275 | perror "$object: nm failed" | |
276 | return 0 | |
277 | } | |
278 | } | |
279 | ||
280 | # | |
281 | # simple_diff | |
282 | # compares two files line-by-line | |
283 | # returns differences if exist | |
284 | # returns null if file(s) cannot be opened | |
285 | # | |
286 | proc simple_diff { file_1 file_2 } { | |
287 | global target | |
288 | ||
289 | set eof -1 | |
290 | set differences 0 | |
291 | ||
292 | if [file exists $file_1] then { | |
293 | set file_a [open $file_1 r] | |
294 | } else { | |
295 | warning "$file_1 doesn't exist" | |
296 | return | |
297 | } | |
298 | ||
299 | if [file exists $file_2] then { | |
300 | set file_b [open $file_2 r] | |
301 | } else { | |
302 | fail "$file_2 doesn't exist" | |
303 | return | |
304 | } | |
305 | ||
306 | verbose "# Diff'ing: $file_1 $file_2\n" 2 | |
307 | ||
308 | while { [gets $file_a line] != $eof } { | |
309 | if [regexp "^#.*$" $line] then { | |
310 | continue | |
311 | } else { | |
312 | lappend list_a $line | |
313 | } | |
314 | } | |
315 | close $file_a | |
316 | ||
317 | while { [gets $file_b line] != $eof } { | |
318 | if [regexp "^#.*$" $line] then { | |
319 | continue | |
320 | } else { | |
321 | lappend list_b $line | |
322 | } | |
323 | } | |
324 | close $file_b | |
325 | ||
326 | for { set i 0 } { $i < [llength $list_a] } { incr i } { | |
327 | set line_a [lindex $list_a $i] | |
328 | set line_b [lindex $list_b $i] | |
329 | ||
330 | verbose "\t$file_1: $i: $line_a\n" 3 | |
331 | verbose "\t$file_2: $i: $line_b\n" 3 | |
332 | if [string compare $line_a $line_b] then { | |
333 | verbose -log "\t$file_1: $i: $line_a\n" | |
334 | verbose -log "\t$file_2: $i: $line_b\n" | |
335 | ||
336 | fail "Test: $target" | |
337 | return | |
338 | } | |
339 | } | |
340 | ||
341 | if { [llength $list_a] != [llength $list_b] } { | |
342 | fail "Test: $target" | |
343 | return | |
344 | } | |
345 | ||
346 | if $differences<1 then { | |
347 | pass "Test: $target" | |
348 | } | |
349 | } | |
350 | ||
351 | # This definition is taken from an unreleased version of DejaGnu. Once | |
352 | # that version gets released, and has been out in the world for a few | |
353 | # months at least, it may be safe to delete this copy. | |
354 | if ![string length [info proc prune_warnings]] { | |
355 | # | |
356 | # prune_warnings -- delete various system verbosities from TEXT | |
357 | # | |
358 | # An example is: | |
359 | # ld.so: warning: /usr/lib/libc.so.1.8.1 has older revision than expected 9 | |
360 | # | |
361 | # Sites with particular verbose os's may wish to override this in site.exp. | |
362 | # | |
363 | proc prune_warnings { text } { | |
364 | # This is from sun4's. Do it for all machines for now. | |
365 | # The "\\1" is to try to preserve a "\n" but only if necessary. | |
366 | regsub -all "(^|\n)(ld.so: warning:\[^\n\]*\n?)+" $text "\\1" text | |
367 | ||
368 | # It might be tempting to get carried away and delete blank lines, etc. | |
369 | # Just delete *exactly* what we're ask to, and that's it. | |
370 | return $text | |
371 | } | |
372 | } |