1 # Copyright (C) 1997, 1999, 2000, 2003, 2004, 2005, 2007, 2009
2 # Free Software Foundation, Inc.
4 # This program is free software; you can redistribute it and/or modify
5 # it under the terms of the GNU General Public License as published by
6 # the Free Software Foundation; either version 3 of the License, or
7 # (at your option) any later version.
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with GCC; see the file COPYING3. If not see
16 # <http://www.gnu.org/licenses/>.
18 # DejaGnu's dg-test defines extra flags that are used to compile a test.
19 # Access them for directives that need to examine all options that are
20 # used for a test, including checks for non-cached effective targets.
21 # We don't know how far up the call chain it is but we know we'll hit
22 # it eventually, and that we're at least 3 calls down.
24 proc current_compiler_flags { } {
26 while { ![info exists flags1] } {
27 set frames [expr $frames + 1]
28 upvar $frames dg-extra-tool-flags flags1
30 upvar $frames tool_flags flags2
31 return "$flags1 $flags2"
34 # If this target does not support weak symbols, skip this test.
36 proc dg-require-weak { args } {
37 set weak_available [ check_weak_available ]
38 if { $weak_available == -1 } {
42 if { $weak_available != 1 } {
43 upvar dg-do-what dg-do-what
44 set dg-do-what [list [lindex ${dg-do-what} 0] "N" "P"]
48 # If this target does not support overriding weak symbols, skip this
51 proc dg-require-weak-override { args } {
52 set weak_override_available [ check_weak_override_available ]
53 if { $weak_override_available == -1 } {
57 if { $weak_override_available != 1 } {
58 upvar dg-do-what dg-do-what
59 set dg-do-what [list [lindex ${dg-do-what} 0] "N" "P"]
63 # If this target does not support the "visibility" attribute, skip this
66 proc dg-require-visibility { args } {
67 set visibility_available [ check_visibility_available [lindex $args 1 ] ]
68 if { $visibility_available == -1 } {
72 if { $visibility_available != 1 } {
73 upvar dg-do-what dg-do-what
74 set dg-do-what [list [lindex ${dg-do-what} 0] "N" "P"]
78 # If this target does not support the "alias" attribute, skip this
81 proc dg-require-alias { args } {
82 set alias_available [ check_alias_available ]
83 if { $alias_available == -1 } {
87 if { $alias_available < 2 } {
88 upvar dg-do-what dg-do-what
89 set dg-do-what [list [lindex ${dg-do-what} 0] "N" "P"]
93 # If this target's linker does not support the --gc-sections flag,
96 proc dg-require-gc-sections { args } {
97 if { ![ check_gc_sections_available ] } {
98 upvar dg-do-what dg-do-what
99 set dg-do-what [list [lindex ${dg-do-what} 0] "N" "P"]
103 # If this target does not support profiling, skip this test.
105 proc dg-require-profiling { args } {
106 if { ![ check_profiling_available ${args} ] } {
107 upvar dg-do-what dg-do-what
108 set dg-do-what [list [lindex ${dg-do-what} 0] "N" "P"]
112 # If this target does not support DLL attributes skip this test.
114 proc dg-require-dll { args } {
115 global target_triplet
116 # As a special case, the mcore-*-elf supports these attributes.
117 # All Symbian OS targets also support these attributes.
118 if { [string match "mcore-*-elf" $target_triplet]
119 || [string match "*-*-symbianelf" $target_triplet]} {
122 # PE/COFF targets support dllimport/dllexport.
123 if { [gcc_target_object_format] == "pe" } {
127 upvar dg-do-what dg-do-what
128 set dg-do-what [list [lindex ${dg-do-what} 0] "N" "P"]
131 proc dg-require-iconv { args } {
132 if { ![ check_iconv_available ${args} ] } {
133 upvar dg-do-what dg-do-what
134 set dg-do-what [list [lindex ${dg-do-what} 0] "N" "P"]
138 # If this target does not support named sections skip this test.
140 proc dg-require-named-sections { args } {
141 if { ![ check_named_sections_available ] } {
142 upvar dg-do-what dg-do-what
143 set dg-do-what [list [lindex ${dg-do-what} 0] "N" "P"]
147 # If the target does not match the required effective target, skip this test.
149 proc dg-require-effective-target { args } {
150 set args [lreplace $args 0 0]
151 if { [llength $args] != 1 } {
152 error "syntax error, need a single effective-target keyword"
154 if { ![is-effective-target [lindex $args 0]] } {
155 upvar dg-do-what dg-do-what
156 set dg-do-what [list [lindex ${dg-do-what} 0] "N" "P"]
160 # If this target does not have fork, skip this test.
162 proc dg-require-fork { args } {
163 if { ![check_fork_available] } {
164 upvar dg-do-what dg-do-what
165 set dg-do-what [list [lindex ${dg-do-what} 0] "N" "P"]
169 # If this target does not have mkfifo, skip this test.
171 proc dg-require-mkfifo { args } {
172 if { ![check_mkfifo_available] } {
173 upvar dg-do-what dg-do-what
174 set dg-do-what [list [lindex ${dg-do-what} 0] "N" "P"]
178 # If this target does not use __cxa_atexit, skip this test.
180 proc dg-require-cxa-atexit { args } {
181 if { ![ check_cxa_atexit_available ] } {
182 upvar dg-do-what dg-do-what
183 set dg-do-what [list [lindex ${dg-do-what} 0] "N" "P"]
187 # If the host is remote rather than the same as the build system, skip
188 # this test. Some tests are incompatible with DejaGnu's handling of
189 # remote hosts, which involves copying the source file to the host and
190 # compiling it with a relative path and "-o a.out".
192 proc dg-require-host-local { args } {
193 if [ is_remote host ] {
194 upvar dg-do-what dg-do-what
195 set dg-do-what [list [lindex ${dg-do-what} 0] "N" "P"]
199 # Add any target-specific flags needed for accessing the given list
200 # of features. This must come after all dg-options.
202 proc dg-add-options { args } {
203 upvar dg-extra-tool-flags extra-tool-flags
205 foreach arg [lrange $args 1 end] {
206 if { [info procs add_options_for_$arg] != "" } {
207 set extra-tool-flags \
208 [eval [list add_options_for_$arg ${extra-tool-flags}]]
210 error "Unrecognized option type: $arg"
215 # Compare flags for a test directive against flags that will be used to
216 # compile the test: multilib flags, flags for torture options, and either
217 # the default flags for this group of tests or flags specified with a
218 # previous dg-options directive.
220 proc check-flags { args } {
221 global compiler_flags
224 # The args are within another list; pull them out.
225 set args [lindex $args 0]
227 # Start the list with a dummy tool name so the list will match "*"
228 # if there are no flags.
229 set compiler_flags " toolname "
230 append compiler_flags [current_compiler_flags]
231 # If running a subset of the test suite, $TOOL_OPTIONS may not exist.
232 catch {append compiler_flags " $TOOL_OPTIONS "}
233 set dest [target_info name]
234 if [board_info $dest exists multilib_flags] {
235 append compiler_flags "[board_info $dest multilib_flags] "
238 # The target list might be an effective-target keyword, so replace
239 # the original list with "*-*-*", since we already know it matches.
240 set result [check_conditional_xfail [lreplace $args 1 1 "*-*-*"]]
242 # Any value in this variable was left over from an earlier test.
243 set compiler_flags ""
248 # Skip the test (report it as UNSUPPORTED) if the target list and
249 # included flags are matched and the excluded flags are not matched.
251 # The first argument is the line number of the dg-skip-if directive
252 # within the test file. Remaining arguments are as for xfail lists:
253 # message { targets } { include } { exclude }
255 # This tests against multilib flags plus either the default flags for this
256 # group of tests or flags specified with a previous dg-options command.
258 proc dg-skip-if { args } {
259 # Don't bother if we're already skipping the test.
260 upvar dg-do-what dg-do-what
261 if { [lindex ${dg-do-what} 1] == "N" } {
265 set args [lreplace $args 0 0]
267 set selector [list target [lindex $args 1]]
268 if { [dg-process-target $selector] == "S" } {
269 if [check-flags $args] {
270 upvar dg-do-what dg-do-what
271 set dg-do-what [list [lindex ${dg-do-what} 0] "N" "P"]
276 # Like check_conditional_xfail, but callable from a dg test.
278 proc dg-xfail-if { args } {
279 # Don't change anything if we're already skipping the test.
280 upvar dg-do-what dg-do-what
281 if { [lindex ${dg-do-what} 1] == "N" } {
285 set args [lreplace $args 0 0]
286 set selector [list target [lindex $args 1]]
287 if { [dg-process-target $selector] == "S" } {
288 global compiler_conditional_xfail_data
289 set compiler_conditional_xfail_data [lreplace $args 1 1 "*-*-*"]
293 # Like dg-xfail-if but for the execute step.
295 proc dg-xfail-run-if { args } {
296 # Don't bother if we're already skipping the test.
297 upvar dg-do-what dg-do-what
298 if { [lindex ${dg-do-what} 1] == "N" } {
302 set args [lreplace $args 0 0]
304 set selector [list target [lindex $args 1]]
305 if { [dg-process-target $selector] == "S" } {
306 if [check-flags $args] {
307 upvar dg-do-what dg-do-what
308 set dg-do-what [list [lindex ${dg-do-what} 0] "S" "F"]
313 # Record whether the program is expected to return a nonzero status.
317 proc dg-shouldfail { args } {
318 # Don't bother if we're already skipping the test.
319 upvar dg-do-what dg-do-what
320 if { [lindex ${dg-do-what} 1] == "N" } {
326 set args [lreplace $args 0 0]
327 if { [llength $args] > 1 } {
328 set selector [list target [lindex $args 1]]
329 if { [dg-process-target $selector] == "S" } {
330 # The target matches, now check the flags.
331 if [check-flags $args] {
340 # Intercept the call to the DejaGnu version of dg-process-target to
341 # support use of an effective-target keyword in place of a list of
342 # target triplets to xfail or skip a test.
344 # selector is one of:
345 # xfail target-triplet-1 ...
346 # xfail effective-target-keyword
347 # xfail selector-expression
348 # target target-triplet-1 ...
349 # target effective-target-keyword
350 # target selector-expression
352 # For a target list the result is "S" if the target is selected, "N" otherwise.
353 # For an xfail list the result is "F" if the target is affected, "P" otherwise.
355 # A selector expression appears within curly braces and uses a single logical
356 # operator: !, &&, or ||. An operand is another selector expression, an
357 # effective-target keyword, or a list of target triplets within quotes or
360 if { [info procs saved-dg-process-target] == [list] } {
361 rename dg-process-target saved-dg-process-target
363 # Evaluate an operand within a selector expression.
364 proc selector_opd { op } {
365 set selector "target"
367 set answer [ expr { [dg-process-target $selector] == "S" } ]
368 verbose "selector_opd: `$op' $answer" 2
372 # Evaluate a target triplet list within a selector expression.
373 # Unlike other operands, this needs to be expanded from a list to
374 # the same string as "target".
375 proc selector_list { op } {
376 set selector "target [join $op]"
377 set answer [ expr { [dg-process-target $selector] == "S" } ]
378 verbose "selector_list: `$op' $answer" 2
382 # Evaluate a selector expression.
383 proc selector_expression { exp } {
384 if { [llength $exp] == 2 } {
385 if [string match "!" [lindex $exp 0]] {
386 set op1 [lindex $exp 1]
387 set answer [expr { ! [selector_opd $op1] }]
389 # Assume it's a list of target triplets.
390 set answer [selector_list $exp]
392 } elseif { [llength $exp] == 3 } {
393 set op1 [lindex $exp 0]
394 set opr [lindex $exp 1]
395 set op2 [lindex $exp 2]
396 if [string match "&&" $opr] {
397 set answer [expr { [selector_opd $op1] && [selector_opd $op2] }]
398 } elseif [string match "||" $opr] {
399 set answer [expr { [selector_opd $op1] || [selector_opd $op2] }]
401 # Assume it's a list of target triplets.
402 set answer [selector_list $exp]
405 # Assume it's a list of target triplets.
406 set answer [selector_list $exp]
409 verbose "selector_expression: `$exp' $answer" 2
413 proc dg-process-target { args } {
414 verbose "replacement dg-process-target: `$args'" 2
416 # Extract the 'what' keyword from the argument list.
417 set selector [string trim [lindex $args 0]]
418 if [regexp "^xfail " $selector] {
420 } elseif [regexp "^target " $selector] {
423 error "syntax error in target selector \"$selector\""
426 # Extract the rest of the list, which might be a keyword.
427 regsub "^${what}" $selector "" rest
428 set rest [string trim $rest]
430 if [is-effective-target-keyword $rest] {
431 # The selector is an effective target keyword.
432 if [is-effective-target $rest] {
433 return [expr { $what == "xfail" ? "F" : "S" }]
435 return [expr { $what == "xfail" ? "P" : "N" }]
439 if [string match "{*}" $rest] {
440 if [selector_expression [lindex $rest 0]] {
441 return [expr { $what == "xfail" ? "F" : "S" }]
443 return [expr { $what == "xfail" ? "P" : "N" }]
447 # The selector is not an effective-target keyword, so process
448 # the list of target triplets.
449 return [saved-dg-process-target $selector]