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 the "visibility" attribute, skip this
51 proc dg-require-visibility { args } {
52 set visibility_available [ check_visibility_available [lindex $args 1 ] ]
53 if { $visibility_available == -1 } {
57 if { $visibility_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 "alias" attribute, skip this
66 proc dg-require-alias { args } {
67 set alias_available [ check_alias_available ]
68 if { $alias_available == -1 } {
72 if { $alias_available < 2 } {
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's linker does not support the --gc-sections flag,
81 proc dg-require-gc-sections { args } {
82 if { ![ check_gc_sections_available ] } {
83 upvar dg-do-what dg-do-what
84 set dg-do-what [list [lindex ${dg-do-what} 0] "N" "P"]
88 # If this target does not support profiling, skip this test.
90 proc dg-require-profiling { args } {
91 if { ![ check_profiling_available ${args} ] } {
92 upvar dg-do-what dg-do-what
93 set dg-do-what [list [lindex ${dg-do-what} 0] "N" "P"]
97 # If this target does not support DLL attributes skip this test.
99 proc dg-require-dll { args } {
100 global target_triplet
101 # As a special case, the mcore-*-elf supports these attributes.
102 # All Symbian OS targets also support these attributes.
103 if { [string match "mcore-*-elf" $target_triplet]
104 || [string match "*-*-symbianelf" $target_triplet]} {
107 # PE/COFF targets support dllimport/dllexport.
108 if { [gcc_target_object_format] == "pe" } {
112 upvar dg-do-what dg-do-what
113 set dg-do-what [list [lindex ${dg-do-what} 0] "N" "P"]
116 proc dg-require-iconv { args } {
117 if { ![ check_iconv_available ${args} ] } {
118 upvar dg-do-what dg-do-what
119 set dg-do-what [list [lindex ${dg-do-what} 0] "N" "P"]
123 # If this target does not support named sections skip this test.
125 proc dg-require-named-sections { args } {
126 if { ![ check_named_sections_available ] } {
127 upvar dg-do-what dg-do-what
128 set dg-do-what [list [lindex ${dg-do-what} 0] "N" "P"]
132 # If the target does not match the required effective target, skip this test.
134 proc dg-require-effective-target { args } {
135 set args [lreplace $args 0 0]
136 if { [llength $args] != 1 } {
137 error "syntax error, need a single effective-target keyword"
139 if { ![is-effective-target [lindex $args 0]] } {
140 upvar dg-do-what dg-do-what
141 set dg-do-what [list [lindex ${dg-do-what} 0] "N" "P"]
145 # If this target does not have fork, skip this test.
147 proc dg-require-fork { args } {
148 if { ![check_fork_available] } {
149 upvar dg-do-what dg-do-what
150 set dg-do-what [list [lindex ${dg-do-what} 0] "N" "P"]
154 # If this target does not have mkfifo, skip this test.
156 proc dg-require-mkfifo { args } {
157 if { ![check_mkfifo_available] } {
158 upvar dg-do-what dg-do-what
159 set dg-do-what [list [lindex ${dg-do-what} 0] "N" "P"]
163 # If this target does not use __cxa_atexit, skip this test.
165 proc dg-require-cxa-atexit { args } {
166 if { ![ check_cxa_atexit_available ] } {
167 upvar dg-do-what dg-do-what
168 set dg-do-what [list [lindex ${dg-do-what} 0] "N" "P"]
172 # If the host is remote rather than the same as the build system, skip
173 # this test. Some tests are incompatible with DejaGnu's handling of
174 # remote hosts, which involves copying the source file to the host and
175 # compiling it with a relative path and "-o a.out".
177 proc dg-require-host-local { args } {
178 if [ is_remote host ] {
179 upvar dg-do-what dg-do-what
180 set dg-do-what [list [lindex ${dg-do-what} 0] "N" "P"]
184 # Add any target-specific flags needed for accessing the given list
185 # of features. This must come after all dg-options.
187 proc dg-add-options { args } {
188 upvar dg-extra-tool-flags extra-tool-flags
190 foreach arg [lrange $args 1 end] {
191 if { [info procs add_options_for_$arg] != "" } {
192 set extra-tool-flags \
193 [eval [list add_options_for_$arg ${extra-tool-flags}]]
195 error "Unrecognized option type: $arg"
200 # Compare flags for a test directive against flags that will be used to
201 # compile the test: multilib flags, flags for torture options, and either
202 # the default flags for this group of tests or flags specified with a
203 # previous dg-options directive.
205 proc check-flags { args } {
206 global compiler_flags
209 # The args are within another list; pull them out.
210 set args [lindex $args 0]
212 # Start the list with a dummy tool name so the list will match "*"
213 # if there are no flags.
214 set compiler_flags " toolname "
215 append compiler_flags [current_compiler_flags]
216 # If running a subset of the test suite, $TOOL_OPTIONS may not exist.
217 catch {append compiler_flags " $TOOL_OPTIONS "}
218 set dest [target_info name]
219 if [board_info $dest exists multilib_flags] {
220 append compiler_flags "[board_info $dest multilib_flags] "
223 # The target list might be an effective-target keyword, so replace
224 # the original list with "*-*-*", since we already know it matches.
225 set result [check_conditional_xfail [lreplace $args 1 1 "*-*-*"]]
227 # Any value in this variable was left over from an earlier test.
228 set compiler_flags ""
233 # Skip the test (report it as UNSUPPORTED) if the target list and
234 # included flags are matched and the excluded flags are not matched.
236 # The first argument is the line number of the dg-skip-if directive
237 # within the test file. Remaining arguments are as for xfail lists:
238 # message { targets } { include } { exclude }
240 # This tests against multilib flags plus either the default flags for this
241 # group of tests or flags specified with a previous dg-options command.
243 proc dg-skip-if { args } {
244 # Don't bother if we're already skipping the test.
245 upvar dg-do-what dg-do-what
246 if { [lindex ${dg-do-what} 1] == "N" } {
250 set args [lreplace $args 0 0]
252 set selector [list target [lindex $args 1]]
253 if { [dg-process-target $selector] == "S" } {
254 if [check-flags $args] {
255 upvar dg-do-what dg-do-what
256 set dg-do-what [list [lindex ${dg-do-what} 0] "N" "P"]
261 # Like check_conditional_xfail, but callable from a dg test.
263 proc dg-xfail-if { args } {
264 # Don't change anything if we're already skipping the test.
265 upvar dg-do-what dg-do-what
266 if { [lindex ${dg-do-what} 1] == "N" } {
270 set args [lreplace $args 0 0]
271 set selector [list target [lindex $args 1]]
272 if { [dg-process-target $selector] == "S" } {
273 global compiler_conditional_xfail_data
274 set compiler_conditional_xfail_data [lreplace $args 1 1 "*-*-*"]
278 # Like dg-xfail-if but for the execute step.
280 proc dg-xfail-run-if { args } {
281 # Don't bother if we're already skipping the test.
282 upvar dg-do-what dg-do-what
283 if { [lindex ${dg-do-what} 1] == "N" } {
287 set args [lreplace $args 0 0]
289 set selector [list target [lindex $args 1]]
290 if { [dg-process-target $selector] == "S" } {
291 if [check-flags $args] {
292 upvar dg-do-what dg-do-what
293 set dg-do-what [list [lindex ${dg-do-what} 0] "S" "F"]
298 # Record whether the program is expected to return a nonzero status.
302 proc dg-shouldfail { args } {
303 # Don't bother if we're already skipping the test.
304 upvar dg-do-what dg-do-what
305 if { [lindex ${dg-do-what} 1] == "N" } {
311 set args [lreplace $args 0 0]
312 if { [llength $args] > 1 } {
313 set selector [list target [lindex $args 1]]
314 if { [dg-process-target $selector] == "S" } {
315 # The target matches, now check the flags.
316 if [check-flags $args] {
325 # Intercept the call to the DejaGnu version of dg-process-target to
326 # support use of an effective-target keyword in place of a list of
327 # target triplets to xfail or skip a test.
329 # selector is one of:
330 # xfail target-triplet-1 ...
331 # xfail effective-target-keyword
332 # xfail selector-expression
333 # target target-triplet-1 ...
334 # target effective-target-keyword
335 # target selector-expression
337 # For a target list the result is "S" if the target is selected, "N" otherwise.
338 # For an xfail list the result is "F" if the target is affected, "P" otherwise.
340 # A selector expression appears within curly braces and uses a single logical
341 # operator: !, &&, or ||. An operand is another selector expression, an
342 # effective-target keyword, or a list of target triplets within quotes or
345 if { [info procs saved-dg-process-target] == [list] } {
346 rename dg-process-target saved-dg-process-target
348 # Evaluate an operand within a selector expression.
349 proc selector_opd { op } {
350 set selector "target"
352 set answer [ expr { [dg-process-target $selector] == "S" } ]
353 verbose "selector_opd: `$op' $answer" 2
357 # Evaluate a target triplet list within a selector expression.
358 # Unlike other operands, this needs to be expanded from a list to
359 # the same string as "target".
360 proc selector_list { op } {
361 set selector "target [join $op]"
362 set answer [ expr { [dg-process-target $selector] == "S" } ]
363 verbose "selector_list: `$op' $answer" 2
367 # Evaluate a selector expression.
368 proc selector_expression { exp } {
369 if { [llength $exp] == 2 } {
370 if [string match "!" [lindex $exp 0]] {
371 set op1 [lindex $exp 1]
372 set answer [expr { ! [selector_opd $op1] }]
374 # Assume it's a list of target triplets.
375 set answer [selector_list $exp]
377 } elseif { [llength $exp] == 3 } {
378 set op1 [lindex $exp 0]
379 set opr [lindex $exp 1]
380 set op2 [lindex $exp 2]
381 if [string match "&&" $opr] {
382 set answer [expr { [selector_opd $op1] && [selector_opd $op2] }]
383 } elseif [string match "||" $opr] {
384 set answer [expr { [selector_opd $op1] || [selector_opd $op2] }]
386 # Assume it's a list of target triplets.
387 set answer [selector_list $exp]
390 # Assume it's a list of target triplets.
391 set answer [selector_list $exp]
394 verbose "selector_expression: `$exp' $answer" 2
398 proc dg-process-target { args } {
399 verbose "replacement dg-process-target: `$args'" 2
401 # Extract the 'what' keyword from the argument list.
402 set selector [string trim [lindex $args 0]]
403 if [regexp "^xfail " $selector] {
405 } elseif [regexp "^target " $selector] {
408 error "syntax error in target selector \"$selector\""
411 # Extract the rest of the list, which might be a keyword.
412 regsub "^${what}" $selector "" rest
413 set rest [string trim $rest]
415 if [is-effective-target-keyword $rest] {
416 # The selector is an effective target keyword.
417 if [is-effective-target $rest] {
418 return [expr { $what == "xfail" ? "F" : "S" }]
420 return [expr { $what == "xfail" ? "P" : "N" }]
424 if [string match "{*}" $rest] {
425 if [selector_expression [lindex $rest 0]] {
426 return [expr { $what == "xfail" ? "F" : "S" }]
428 return [expr { $what == "xfail" ? "P" : "N" }]
432 # The selector is not an effective-target keyword, so process
433 # the list of target triplets.
434 return [saved-dg-process-target $selector]