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