Commit | Line | Data |
---|---|---|
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 | ||
1688b748 MH |
46 | # Check to see if ld is being invoked with a non-endian output format |
47 | ||
48 | proc is_endian_output_format { object_flags } { | |
49 | ||
50 | if {[string match "*-oformat binary*" $object_flags] || \ | |
51 | [string match "*-oformat ieee*" $object_flags] || \ | |
52 | [string match "*-oformat ihex*" $object_flags] || \ | |
53 | [string match "*-oformat netbsd-core*" $object_flags] || \ | |
54 | [string match "*-oformat srec*" $object_flags] || \ | |
55 | [string match "*-oformat tekhex*" $object_flags] || \ | |
56 | [string match "*-oformat trad-core*" $object_flags] } then { | |
57 | return 0 | |
58 | } else { | |
59 | return 1 | |
60 | } | |
61 | } | |
62 | ||
38e31547 NC |
63 | # Look for big-endian or little-endian switches in the multlib |
64 | # options and translate these into a -EB or -EL switch. Note | |
65 | # we cannot rely upon proc process_multilib_options to do this | |
66 | # for us because for some targets the compiler does not support | |
67 | # -EB/-EL but it does support -mbig-endian/-mlittle-endian, and | |
68 | # the site.exp file will include the switch "-mbig-endian" | |
69 | # (rather than "big-endian") which is not detected by proc | |
70 | # process_multilib_options. | |
71 | ||
72 | proc big_or_little_endian {} { | |
73 | ||
74 | if [board_info [target_info name] exists multilib_flags] { | |
75 | set tmp_flags " [board_info [target_info name] multilib_flags]"; | |
76 | ||
77 | foreach x $tmp_flags { | |
78 | case $x in { | |
1688b748 | 79 | {*big*endian eb EB -eb -EB} { |
38e31547 NC |
80 | set flags " -EB" |
81 | return $flags | |
82 | } | |
1688b748 | 83 | {*little*endian el EL -el -EL} { |
38e31547 NC |
84 | set flags " -EL" |
85 | return $flags | |
86 | } | |
87 | } | |
88 | } | |
89 | } | |
90 | ||
91 | set flags "" | |
92 | return $flags | |
93 | } | |
252b5132 RH |
94 | |
95 | # | |
96 | # default_ld_link | |
97 | # link a program using ld | |
98 | # | |
99 | proc default_ld_link { ld target objects } { | |
100 | global HOSTING_EMU | |
101 | global HOSTING_CRT0 | |
102 | global HOSTING_LIBS | |
d1bcade6 | 103 | global LIBS |
252b5132 | 104 | global host_triplet |
6fc49d28 | 105 | global link_output |
252b5132 RH |
106 | |
107 | set objs "$HOSTING_CRT0 $objects" | |
d1bcade6 | 108 | set libs "$LIBS $HOSTING_LIBS" |
252b5132 RH |
109 | |
110 | if { [which $ld] == 0 } then { | |
111 | perror "$ld does not exist" | |
112 | return 0 | |
113 | } | |
1688b748 MH |
114 | |
115 | if [is_endian_output_format $objects] then { | |
116 | set flags [big_or_little_endian] | |
117 | } else { | |
118 | set flags "" | |
119 | } | |
38e31547 | 120 | verbose -log "$ld $HOSTING_EMU $flags -o $target $objs $libs" |
252b5132 | 121 | |
6fc49d28 L |
122 | catch "exec $ld $HOSTING_EMU $flags -o $target $objs $libs" link_output |
123 | set exec_output [prune_warnings $link_output] | |
124 | if [string match "" $link_output] then { | |
252b5132 RH |
125 | return 1 |
126 | } else { | |
6fc49d28 | 127 | verbose -log "$link_output" |
252b5132 RH |
128 | return 0 |
129 | } | |
130 | } | |
131 | ||
132 | # | |
133 | # default_ld_simple_link | |
134 | # link a program using ld, without including any libraries | |
135 | # | |
136 | proc default_ld_simple_link { ld target objects } { | |
137 | global host_triplet | |
7cda33a1 L |
138 | global link_output |
139 | ||
252b5132 RH |
140 | if { [which $ld] == 0 } then { |
141 | perror "$ld does not exist" | |
142 | return 0 | |
143 | } | |
144 | ||
1688b748 MH |
145 | if [is_endian_output_format $objects] then { |
146 | set flags [big_or_little_endian] | |
147 | } else { | |
148 | set flags "" | |
149 | } | |
38e31547 NC |
150 | |
151 | verbose -log "$ld $flags -o $target $objects" | |
252b5132 | 152 | |
7cda33a1 L |
153 | catch "exec $ld $flags -o $target $objects" link_output |
154 | set exec_output [prune_warnings $link_output] | |
252b5132 RH |
155 | |
156 | # We don't care if we get a warning about a non-existent start | |
157 | # symbol, since the default linker script might use ENTRY. | |
158 | regsub -all "(^|\n)(\[^\n\]*: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output | |
159 | ||
160 | if [string match "" $exec_output] then { | |
161 | return 1 | |
162 | } else { | |
163 | verbose -log "$exec_output" | |
164 | return 0 | |
165 | } | |
166 | } | |
167 | ||
168 | # | |
169 | # default_ld_compile | |
170 | # compile an object using cc | |
171 | # | |
172 | proc default_ld_compile { cc source object } { | |
173 | global CFLAGS | |
174 | global srcdir | |
175 | global subdir | |
176 | global host_triplet | |
177 | global gcc_gas_flag | |
178 | ||
179 | set cc_prog $cc | |
180 | if {[llength $cc_prog] > 1} then { | |
181 | set cc_prog [lindex $cc_prog 0] | |
182 | } | |
183 | if {[which $cc_prog] == 0} then { | |
184 | perror "$cc_prog does not exist" | |
185 | return 0 | |
186 | } | |
187 | ||
188 | catch "exec rm -f $object" exec_output | |
189 | ||
190 | set flags "-I$srcdir/$subdir $CFLAGS" | |
191 | ||
192 | # If we are compiling with gcc, we want to add gcc_gas_flag to | |
193 | # flags. Rather than determine this in some complex way, we guess | |
194 | # based on the name of the compiler. | |
195 | if {[string match "*gcc*" $cc] || [string match "*++*" $cc]} then { | |
196 | set flags "$gcc_gas_flag $flags" | |
197 | } | |
198 | ||
38e31547 NC |
199 | if [board_info [target_info name] exists multilib_flags] { |
200 | append flags " [board_info [target_info name] multilib_flags]"; | |
201 | } | |
202 | ||
252b5132 RH |
203 | verbose -log "$cc $flags -c $source -o $object" |
204 | ||
205 | catch "exec $cc $flags -c $source -o $object" exec_output | |
206 | set exec_output [prune_warnings $exec_output] | |
207 | if [string match "" $exec_output] then { | |
208 | if {![file exists $object]} then { | |
209 | regexp ".*/(\[^/\]*)$" $source all dobj | |
210 | regsub "\\.c" $dobj ".o" realobj | |
211 | verbose "looking for $realobj" | |
212 | if {[file exists $realobj]} then { | |
213 | verbose -log "mv $realobj $object" | |
214 | catch "exec mv $realobj $object" exec_output | |
215 | set exec_output [prune_warnings $exec_output] | |
216 | if {![string match "" $exec_output]} then { | |
217 | verbose -log "$exec_output" | |
218 | perror "could not move $realobj to $object" | |
219 | return 0 | |
220 | } | |
221 | } else { | |
222 | perror "$object not found after compilation" | |
223 | return 0 | |
224 | } | |
225 | } | |
226 | return 1 | |
227 | } else { | |
228 | verbose -log "$exec_output" | |
229 | perror "$source: compilation failed" | |
230 | return 0 | |
231 | } | |
232 | } | |
233 | ||
234 | # | |
235 | # default_ld_assemble | |
236 | # assemble a file | |
237 | # | |
238 | proc default_ld_assemble { as source object } { | |
239 | global ASFLAGS | |
240 | global host_triplet | |
241 | ||
242 | if {[which $as] == 0} then { | |
243 | perror "$as does not exist" | |
244 | return 0 | |
245 | } | |
246 | ||
247 | if ![info exists ASFLAGS] { set ASFLAGS "" } | |
248 | ||
38e31547 NC |
249 | set flags [big_or_little_endian] |
250 | ||
251 | verbose -log "$as $flags $ASFLAGS -o $object $source" | |
252b5132 | 252 | |
38e31547 | 253 | catch "exec $as $flags $ASFLAGS -o $object $source" exec_output |
252b5132 RH |
254 | set exec_output [prune_warnings $exec_output] |
255 | if [string match "" $exec_output] then { | |
256 | return 1 | |
257 | } else { | |
258 | verbose -log "$exec_output" | |
259 | perror "$source: assembly failed" | |
260 | return 0 | |
261 | } | |
262 | } | |
263 | ||
264 | # | |
265 | # default_ld_nm | |
266 | # run nm on a file, putting the result in the array nm_output | |
267 | # | |
268 | proc default_ld_nm { nm object } { | |
269 | global NMFLAGS | |
270 | global nm_output | |
271 | global host_triplet | |
272 | ||
273 | if {[which $nm] == 0} then { | |
274 | perror "$nm does not exist" | |
275 | return 0 | |
276 | } | |
277 | ||
77e0b0ef ILT |
278 | if {[info exists nm_output]} { |
279 | unset nm_output | |
280 | } | |
281 | ||
252b5132 RH |
282 | if ![info exists NMFLAGS] { set NMFLAGS "" } |
283 | ||
284 | verbose -log "$nm $NMFLAGS $object >tmpdir/nm.out" | |
285 | ||
286 | catch "exec $nm $NMFLAGS $object >tmpdir/nm.out" exec_output | |
287 | set exec_output [prune_warnings $exec_output] | |
288 | if [string match "" $exec_output] then { | |
289 | set file [open tmpdir/nm.out r] | |
290 | while { [gets $file line] != -1 } { | |
291 | verbose "$line" 2 | |
292 | if [regexp "^(\[0-9a-fA-F\]+) \[a-zA-Z0-9\] (.+)$" $line whole value name] { | |
293 | set name [string trimleft $name "_"] | |
294 | verbose "Setting nm_output($name) to 0x$value" 2 | |
295 | set nm_output($name) 0x$value | |
296 | } | |
297 | } | |
298 | close $file | |
299 | return 1 | |
300 | } else { | |
301 | verbose -log "$exec_output" | |
302 | perror "$object: nm failed" | |
303 | return 0 | |
304 | } | |
305 | } | |
306 | ||
307 | # | |
308 | # simple_diff | |
309 | # compares two files line-by-line | |
310 | # returns differences if exist | |
311 | # returns null if file(s) cannot be opened | |
312 | # | |
313 | proc simple_diff { file_1 file_2 } { | |
314 | global target | |
315 | ||
316 | set eof -1 | |
317 | set differences 0 | |
318 | ||
319 | if [file exists $file_1] then { | |
320 | set file_a [open $file_1 r] | |
321 | } else { | |
322 | warning "$file_1 doesn't exist" | |
323 | return | |
324 | } | |
325 | ||
326 | if [file exists $file_2] then { | |
327 | set file_b [open $file_2 r] | |
328 | } else { | |
329 | fail "$file_2 doesn't exist" | |
330 | return | |
331 | } | |
332 | ||
333 | verbose "# Diff'ing: $file_1 $file_2\n" 2 | |
334 | ||
335 | while { [gets $file_a line] != $eof } { | |
336 | if [regexp "^#.*$" $line] then { | |
337 | continue | |
338 | } else { | |
339 | lappend list_a $line | |
340 | } | |
341 | } | |
342 | close $file_a | |
343 | ||
344 | while { [gets $file_b line] != $eof } { | |
345 | if [regexp "^#.*$" $line] then { | |
346 | continue | |
347 | } else { | |
348 | lappend list_b $line | |
349 | } | |
350 | } | |
351 | close $file_b | |
352 | ||
353 | for { set i 0 } { $i < [llength $list_a] } { incr i } { | |
354 | set line_a [lindex $list_a $i] | |
355 | set line_b [lindex $list_b $i] | |
356 | ||
357 | verbose "\t$file_1: $i: $line_a\n" 3 | |
358 | verbose "\t$file_2: $i: $line_b\n" 3 | |
359 | if [string compare $line_a $line_b] then { | |
360 | verbose -log "\t$file_1: $i: $line_a\n" | |
361 | verbose -log "\t$file_2: $i: $line_b\n" | |
362 | ||
363 | fail "Test: $target" | |
364 | return | |
365 | } | |
366 | } | |
367 | ||
368 | if { [llength $list_a] != [llength $list_b] } { | |
369 | fail "Test: $target" | |
370 | return | |
371 | } | |
372 | ||
373 | if $differences<1 then { | |
374 | pass "Test: $target" | |
375 | } | |
376 | } | |
377 | ||
378 | # This definition is taken from an unreleased version of DejaGnu. Once | |
379 | # that version gets released, and has been out in the world for a few | |
380 | # months at least, it may be safe to delete this copy. | |
381 | if ![string length [info proc prune_warnings]] { | |
382 | # | |
383 | # prune_warnings -- delete various system verbosities from TEXT | |
384 | # | |
385 | # An example is: | |
386 | # ld.so: warning: /usr/lib/libc.so.1.8.1 has older revision than expected 9 | |
387 | # | |
388 | # Sites with particular verbose os's may wish to override this in site.exp. | |
389 | # | |
390 | proc prune_warnings { text } { | |
391 | # This is from sun4's. Do it for all machines for now. | |
392 | # The "\\1" is to try to preserve a "\n" but only if necessary. | |
393 | regsub -all "(^|\n)(ld.so: warning:\[^\n\]*\n?)+" $text "\\1" text | |
394 | ||
395 | # It might be tempting to get carried away and delete blank lines, etc. | |
396 | # Just delete *exactly* what we're ask to, and that's it. | |
397 | return $text | |
398 | } | |
399 | } |