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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 | ||
46 | ||
47 | # | |
48 | # default_ld_link | |
49 | # link a program using ld | |
50 | # | |
51 | proc default_ld_link { ld target objects } { | |
52 | global HOSTING_EMU | |
53 | global HOSTING_CRT0 | |
54 | global HOSTING_LIBS | |
55 | global host_triplet | |
56 | ||
57 | set objs "$HOSTING_CRT0 $objects" | |
58 | set libs "$HOSTING_LIBS" | |
59 | ||
60 | if { [which $ld] == 0 } then { | |
61 | perror "$ld does not exist" | |
62 | return 0 | |
63 | } | |
64 | ||
65 | verbose -log "$ld $HOSTING_EMU -o $target $objs $libs" | |
66 | ||
67 | catch "exec $ld $HOSTING_EMU -o $target $objs $libs" exec_output | |
68 | set exec_output [prune_warnings $exec_output] | |
69 | if [string match "" $exec_output] then { | |
70 | return 1 | |
71 | } else { | |
72 | verbose -log "$exec_output" | |
73 | return 0 | |
74 | } | |
75 | } | |
76 | ||
77 | # | |
78 | # default_ld_simple_link | |
79 | # link a program using ld, without including any libraries | |
80 | # | |
81 | proc default_ld_simple_link { ld target objects } { | |
82 | global host_triplet | |
83 | ||
84 | if { [which $ld] == 0 } then { | |
85 | perror "$ld does not exist" | |
86 | return 0 | |
87 | } | |
88 | ||
89 | verbose -log "$ld -o $target $objects" | |
90 | ||
91 | catch "exec $ld -o $target $objects" exec_output | |
92 | set exec_output [prune_warnings $exec_output] | |
93 | ||
94 | # We don't care if we get a warning about a non-existent start | |
95 | # symbol, since the default linker script might use ENTRY. | |
96 | regsub -all "(^|\n)(\[^\n\]*: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output | |
97 | ||
98 | if [string match "" $exec_output] then { | |
99 | return 1 | |
100 | } else { | |
101 | verbose -log "$exec_output" | |
102 | return 0 | |
103 | } | |
104 | } | |
105 | ||
106 | # | |
107 | # default_ld_compile | |
108 | # compile an object using cc | |
109 | # | |
110 | proc default_ld_compile { cc source object } { | |
111 | global CFLAGS | |
112 | global srcdir | |
113 | global subdir | |
114 | global host_triplet | |
115 | global gcc_gas_flag | |
116 | ||
117 | set cc_prog $cc | |
118 | if {[llength $cc_prog] > 1} then { | |
119 | set cc_prog [lindex $cc_prog 0] | |
120 | } | |
121 | if {[which $cc_prog] == 0} then { | |
122 | perror "$cc_prog does not exist" | |
123 | return 0 | |
124 | } | |
125 | ||
126 | catch "exec rm -f $object" exec_output | |
127 | ||
128 | set flags "-I$srcdir/$subdir $CFLAGS" | |
129 | ||
130 | # If we are compiling with gcc, we want to add gcc_gas_flag to | |
131 | # flags. Rather than determine this in some complex way, we guess | |
132 | # based on the name of the compiler. | |
133 | if {[string match "*gcc*" $cc] || [string match "*++*" $cc]} then { | |
134 | set flags "$gcc_gas_flag $flags" | |
135 | } | |
136 | ||
137 | verbose -log "$cc $flags -c $source -o $object" | |
138 | ||
139 | catch "exec $cc $flags -c $source -o $object" exec_output | |
140 | set exec_output [prune_warnings $exec_output] | |
141 | if [string match "" $exec_output] then { | |
142 | if {![file exists $object]} then { | |
143 | regexp ".*/(\[^/\]*)$" $source all dobj | |
144 | regsub "\\.c" $dobj ".o" realobj | |
145 | verbose "looking for $realobj" | |
146 | if {[file exists $realobj]} then { | |
147 | verbose -log "mv $realobj $object" | |
148 | catch "exec mv $realobj $object" exec_output | |
149 | set exec_output [prune_warnings $exec_output] | |
150 | if {![string match "" $exec_output]} then { | |
151 | verbose -log "$exec_output" | |
152 | perror "could not move $realobj to $object" | |
153 | return 0 | |
154 | } | |
155 | } else { | |
156 | perror "$object not found after compilation" | |
157 | return 0 | |
158 | } | |
159 | } | |
160 | return 1 | |
161 | } else { | |
162 | verbose -log "$exec_output" | |
163 | perror "$source: compilation failed" | |
164 | return 0 | |
165 | } | |
166 | } | |
167 | ||
168 | # | |
169 | # default_ld_assemble | |
170 | # assemble a file | |
171 | # | |
172 | proc default_ld_assemble { as source object } { | |
173 | global ASFLAGS | |
174 | global host_triplet | |
175 | ||
176 | if {[which $as] == 0} then { | |
177 | perror "$as does not exist" | |
178 | return 0 | |
179 | } | |
180 | ||
181 | if ![info exists ASFLAGS] { set ASFLAGS "" } | |
182 | ||
183 | verbose -log "$as $ASFLAGS -o $object $source" | |
184 | ||
185 | catch "exec $as $ASFLAGS -o $object $source" exec_output | |
186 | set exec_output [prune_warnings $exec_output] | |
187 | if [string match "" $exec_output] then { | |
188 | return 1 | |
189 | } else { | |
190 | verbose -log "$exec_output" | |
191 | perror "$source: assembly failed" | |
192 | return 0 | |
193 | } | |
194 | } | |
195 | ||
196 | # | |
197 | # default_ld_nm | |
198 | # run nm on a file, putting the result in the array nm_output | |
199 | # | |
200 | proc default_ld_nm { nm object } { | |
201 | global NMFLAGS | |
202 | global nm_output | |
203 | global host_triplet | |
204 | ||
205 | if {[which $nm] == 0} then { | |
206 | perror "$nm does not exist" | |
207 | return 0 | |
208 | } | |
209 | ||
210 | if ![info exists NMFLAGS] { set NMFLAGS "" } | |
211 | ||
212 | verbose -log "$nm $NMFLAGS $object >tmpdir/nm.out" | |
213 | ||
214 | catch "exec $nm $NMFLAGS $object >tmpdir/nm.out" exec_output | |
215 | set exec_output [prune_warnings $exec_output] | |
216 | if [string match "" $exec_output] then { | |
217 | set file [open tmpdir/nm.out r] | |
218 | while { [gets $file line] != -1 } { | |
219 | verbose "$line" 2 | |
220 | if [regexp "^(\[0-9a-fA-F\]+) \[a-zA-Z0-9\] (.+)$" $line whole value name] { | |
221 | set name [string trimleft $name "_"] | |
222 | verbose "Setting nm_output($name) to 0x$value" 2 | |
223 | set nm_output($name) 0x$value | |
224 | } | |
225 | } | |
226 | close $file | |
227 | return 1 | |
228 | } else { | |
229 | verbose -log "$exec_output" | |
230 | perror "$object: nm failed" | |
231 | return 0 | |
232 | } | |
233 | } | |
234 | ||
235 | # | |
236 | # simple_diff | |
237 | # compares two files line-by-line | |
238 | # returns differences if exist | |
239 | # returns null if file(s) cannot be opened | |
240 | # | |
241 | proc simple_diff { file_1 file_2 } { | |
242 | global target | |
243 | ||
244 | set eof -1 | |
245 | set differences 0 | |
246 | ||
247 | if [file exists $file_1] then { | |
248 | set file_a [open $file_1 r] | |
249 | } else { | |
250 | warning "$file_1 doesn't exist" | |
251 | return | |
252 | } | |
253 | ||
254 | if [file exists $file_2] then { | |
255 | set file_b [open $file_2 r] | |
256 | } else { | |
257 | fail "$file_2 doesn't exist" | |
258 | return | |
259 | } | |
260 | ||
261 | verbose "# Diff'ing: $file_1 $file_2\n" 2 | |
262 | ||
263 | while { [gets $file_a line] != $eof } { | |
264 | if [regexp "^#.*$" $line] then { | |
265 | continue | |
266 | } else { | |
267 | lappend list_a $line | |
268 | } | |
269 | } | |
270 | close $file_a | |
271 | ||
272 | while { [gets $file_b line] != $eof } { | |
273 | if [regexp "^#.*$" $line] then { | |
274 | continue | |
275 | } else { | |
276 | lappend list_b $line | |
277 | } | |
278 | } | |
279 | close $file_b | |
280 | ||
281 | for { set i 0 } { $i < [llength $list_a] } { incr i } { | |
282 | set line_a [lindex $list_a $i] | |
283 | set line_b [lindex $list_b $i] | |
284 | ||
285 | verbose "\t$file_1: $i: $line_a\n" 3 | |
286 | verbose "\t$file_2: $i: $line_b\n" 3 | |
287 | if [string compare $line_a $line_b] then { | |
288 | verbose -log "\t$file_1: $i: $line_a\n" | |
289 | verbose -log "\t$file_2: $i: $line_b\n" | |
290 | ||
291 | fail "Test: $target" | |
292 | return | |
293 | } | |
294 | } | |
295 | ||
296 | if { [llength $list_a] != [llength $list_b] } { | |
297 | fail "Test: $target" | |
298 | return | |
299 | } | |
300 | ||
301 | if $differences<1 then { | |
302 | pass "Test: $target" | |
303 | } | |
304 | } | |
305 | ||
306 | # This definition is taken from an unreleased version of DejaGnu. Once | |
307 | # that version gets released, and has been out in the world for a few | |
308 | # months at least, it may be safe to delete this copy. | |
309 | if ![string length [info proc prune_warnings]] { | |
310 | # | |
311 | # prune_warnings -- delete various system verbosities from TEXT | |
312 | # | |
313 | # An example is: | |
314 | # ld.so: warning: /usr/lib/libc.so.1.8.1 has older revision than expected 9 | |
315 | # | |
316 | # Sites with particular verbose os's may wish to override this in site.exp. | |
317 | # | |
318 | proc prune_warnings { text } { | |
319 | # This is from sun4's. Do it for all machines for now. | |
320 | # The "\\1" is to try to preserve a "\n" but only if necessary. | |
321 | regsub -all "(^|\n)(ld.so: warning:\[^\n\]*\n?)+" $text "\\1" text | |
322 | ||
323 | # It might be tempting to get carried away and delete blank lines, etc. | |
324 | # Just delete *exactly* what we're ask to, and that's it. | |
325 | return $text | |
326 | } | |
327 | } |