1 # Support routines
for LD testsuite.
2 # Copyright
1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
3 #
2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
4 # Free Software Foundation
, Inc.
6 # This file is part of the GNU Binutils.
8 # This file is free software
; you can redistribute it and
/or modify
9 # it under the terms of the GNU General Public License as published by
10 # the Free Software Foundation
; either version
3 of the License
, or
11 #
(at your option
) any later version.
13 # This
program is distributed in the hope that it will be useful
,
14 # but WITHOUT
ANY WARRANTY
; without even the implied warranty of
15 # MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the
16 # GNU General Public License
for more details.
18 # You should have received a copy of the GNU General Public License
19 # along with this
program; if not
, write to the Free Software
20 # Foundation
, Inc.
, 51 Franklin Street
- Fifth Floor
, Boston
,
23 proc load_common_lib
{ name } {
25 load_file $srcdir
/..
/..
/binutils
/testsuite
/lib
/$
name
28 load_common_lib binutils
-common.exp
30 # Returns
1 if the gcc
for the target is at least version MAJOR.MINOR
31 # Returns
0 otherwise.
33 proc at_least_gcc_version
{ major minor
} {
35 if {![info exists CC
]} {
41 set state
[remote_exec host $CC
--version
]
42 set tmp
"[lindex $state 1]\n"
43 # Look
for (eg
) 4.6.1 in the version output.
44 regexp
" .* (\[1-9\])\\.(\[0-9\])\\.\[0-9\]* .*" "$tmp" fred maj min
45 verbose
"gcc version: $tmp"
46 verbose
"major gcc version is $maj, want at least $major"
47 if { $maj
== $major
} then {
48 verbose
"minor gcc version is $min, want at least $minor"
49 return [expr $
min >= $minor
]
51 return [expr $maj
> $major
]
55 # Extract and print the version number of
ld.
57 proc default_ld_version
{ ld } {
60 if { ![is_remote host
] && [which $
ld] == 0 } then {
61 perror
"$ld does not exist"
65 remote_exec host
"$ld --version" "" "/dev/null" "ld.version"
66 remote_upload host
"ld.version"
67 set tmp
[prune_warnings
[file_contents
"ld.version"]]
68 remote_file build
delete "ld.version"
69 remote_file host
delete "ld.version"
71 regexp
"\[^\n\]* (cygnus-|)(\[-0-9.a-zA-Z-\]+)\[\r\n\].*" $tmp version cyg number
72 if [info exists number
] then {
73 clone_output
"$ld $number\n"
77 proc run_host_cmd
{ prog command
} {
80 if { ![is_remote host
] && [which
"$prog"] == 0 } then {
81 perror
"$prog does not exist"
85 verbose
-log "$prog $command"
86 set status [remote_exec host
[concat sh
-c
[list
"$prog $command 2>&1"]] "" "/dev/null" "ld.tmp"]
87 remote_upload host
"ld.tmp"
88 set link_output
[file_contents
"ld.tmp"]
89 regsub
"\n$" $link_output "" link_output
90 if { [lindex $
status 0] != 0 && [string match
"" $link_output] } then {
91 append link_output
"child process exited abnormally"
93 remote_file build
delete ld.tmp
94 remote_file host
delete ld.tmp
96 if [string match
"" $link_output] then {
100 verbose
-log "$link_output"
101 return "$link_output"
104 proc run_host_cmd_yesno
{ prog command
} {
107 set exec_output
[prune_warnings
[run_host_cmd
"$prog" "$command"]]
108 if [string match
"" $exec_output] then {
114 # Link an object using relocation.
116 proc default_ld_relocate
{ ld target objects
} {
119 remote_file host
delete $target
120 return [run_host_cmd_yesno
"$ld" "$HOSTING_EMU -o $target -r $objects"]
123 # Check to see
if ld is being invoked with a non
-endian output format
125 proc is_endian_output_format
{ object_flags
} {
127 if {[string match
"*-oformat binary*" $object_flags] || \
128 [string match
"*-oformat ieee*" $object_flags] || \
129 [string match
"*-oformat ihex*" $object_flags] || \
130 [string match
"*-oformat netbsd-core*" $object_flags] || \
131 [string match
"*-oformat srec*" $object_flags] || \
132 [string match
"*-oformat tekhex*" $object_flags] || \
133 [string match
"*-oformat trad-core*" $object_flags] } then {
140 # Look
for big
-endian or little
-endian switches in the multlib
141 # options and
translate these into a
-EB or
-EL
switch. Note
142 # we cannot rely upon proc process_multilib_options to
do this
143 #
for us because
for some targets the compiler does not support
144 #
-EB
/-EL but it does support
-mbig
-endian
/-mlittle
-endian
, and
145 # the site.exp file will
include the
switch "-mbig-endian"
146 #
(rather than
"big-endian") which is not detected by proc
147 # process_multilib_options.
149 proc big_or_little_endian
{} {
151 if [board_info
[target_info
name] exists multilib_flags
] {
152 set tmp_flags
" [board_info [target_info name] multilib_flags]"
154 foreach x $tmp_flags
{
156 {*big
*endian eb EB
-eb
-EB
-mb
-meb
} {
160 {*little
*endian el EL
-el
-EL
-ml
-mel
} {
172 # Link a
program using
ld.
174 proc default_ld_link
{ ld target objects
} {
183 set objs
"$HOSTING_CRT0 $objects"
184 set libs
"$LIBS $HOSTING_LIBS"
186 if [is_endian_output_format $objects
] then {
187 set flags
[big_or_little_endian
]
192 remote_file host
delete $target
194 return [run_host_cmd_yesno
"$ld" "$HOSTING_EMU $flags -o $target $objs $libs"]
197 # Link a
program using
ld, without including
any libraries.
199 proc default_ld_simple_link
{ ld target objects
} {
204 if [is_endian_output_format $objects
] then {
205 set flags
[big_or_little_endian
]
210 #
If we are compiling with gcc
, we want to add gcc_ld_flag to
211 # flags. Rather than determine this in some complex way
, we guess
212 # based
on the
name of the compiler.
214 set ldparm
[string first
" " $ld]
216 if { $ldparm
> 0 } then {
217 set ldflags
[string range $
ld $ldparm end
]
218 set ldexe
[string range $
ld 0 $ldparm
]
221 set ldexe
[string replace $ldexe
0 [string last
"/" $ldexe] ""]
222 if {[string match
"*gcc*" $ldexe] || [string match "*++*" $ldexe]} then {
223 set ldflags
"$gcc_ld_flag $ldflags"
226 remote_file host
delete $target
228 set exec_output
[run_host_cmd
"$ld" "$ldflags $flags -o $target $objects"]
229 set exec_output
[prune_warnings $exec_output
]
231 # We don
't care if we get a warning about a non-existent start
232 # symbol, since the default linker script might use ENTRY.
233 regsub -all "(^|\n)(\[^\n\]*: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output
235 if [string match "" $exec_output] then {
242 # Compile an object using cc.
244 proc default_ld_compile { cc source object } {
253 if {[llength $cc_prog] > 1} then {
254 set cc_prog [lindex $cc_prog 0]
256 if {![is_remote host] && [which $cc_prog] == 0} then {
257 perror "$cc_prog does not exist"
261 remote_file build delete "$object"
262 remote_file host delete "$object"
264 set flags "-I$srcdir/$subdir"
266 # If we are compiling with gcc, we want to add gcc_gas_flag to
267 # flags. Rather than determine this in some complex way, we guess
268 # based on the name of the compiler.
270 set ccparm [string first " " $cc]
272 if { $ccparm > 0 } then {
273 set ccflags [string range $cc $ccparm end]
274 set ccexe [string range $cc 0 $ccparm]
277 set ccexe [string replace $ccexe 0 [string last "/" $ccexe] ""]
278 if {[string match "*gcc*" $ccexe] || [string match "*++*" $ccexe]} then {
279 set flags "$gcc_gas_flag $flags"
282 if {[string match "*++*" $ccexe]} {
283 set flags "$flags $CXXFLAGS"
285 set flags "$flags $CFLAGS"
288 if [board_info [target_info name] exists multilib_flags] {
289 append flags " [board_info [target_info name] multilib_flags]"
292 verbose -log "$cc $flags $ccflags -c $source -o $object"
294 set status [remote_exec host [concat sh -c [list "$cc $flags $ccflags -c $source -o $object 2>&1"]] "" "/dev/null" "ld.tmp"]
295 remote_upload host "ld.tmp"
296 set exec_output [file_contents "ld.tmp"]
297 remote_file build delete "ld.tmp"
298 remote_file host delete "ld.tmp"
299 set exec_output [prune_warnings $exec_output]
300 if [string match "" $exec_output] then {
301 if {![file exists $object]} then {
302 regexp ".*/(\[^/\]*)$" $source all dobj
303 regsub "\\.c" $dobj ".o" realobj
304 verbose "looking for $realobj"
305 if {[remote_file host exists $realobj]} then {
306 verbose -log "mv $realobj $object"
307 remote_upload "$realobj" "$object"
309 perror "$object not found after compilation"
315 verbose -log "$exec_output"
316 perror "$source: compilation failed"
323 proc default_ld_assemble { as in_flags source object } {
327 if ![info exists ASFLAGS] { set ASFLAGS "" }
329 set flags [big_or_little_endian]
330 set exec_output [run_host_cmd "$as" "$flags $in_flags $ASFLAGS -o $object $source"]
331 set exec_output [prune_warnings $exec_output]
332 if [string match "" $exec_output] then {
335 perror "$source: assembly failed"
340 # Run nm on a file, putting the result in the array nm_output.
342 proc default_ld_nm { nm nmflags object } {
347 if {[info exists nm_output]} {
351 if ![info exists NMFLAGS] { set NMFLAGS "" }
353 # Ensure consistent sorting of symbols
354 if {[info exists env(LC_ALL)]} {
355 set old_lc_all $env(LC_ALL)
359 verbose -log "$nm $NMFLAGS $nmflags $object >tmpdir/nm.out"
361 set status [remote_exec host [concat sh -c [list "$nm $NMFLAGS $nmflags $object 2>ld.stderr"]] "" "/dev/null" "tmpdir/nm.out"]
362 if {[info exists old_lc_all]} {
363 set env(LC_ALL) $old_lc_all
367 remote_upload host "ld.stderr"
368 remote_upload host "tmpdir/nm.out" "tmpdir/nm.out"
369 set exec_output [prune_warnings [file_contents "ld.stderr"]]
370 remote_file host delete "ld.stderr"
371 remote_file build delete "ld.stderr"
372 if [string match "" $exec_output] then {
373 set file [open tmpdir/nm.out r]
374 while { [gets $file line] != -1 } {
376 if [regexp "^(\[0-9a-fA-F\]+) \[a-zA-Z0-9\] \\.*(.+)$" $line whole value name] {
377 set name [string trimleft $name "_"]
378 verbose "Setting nm_output($name) to 0x$value" 2
379 set nm_output($name) 0x$value
385 verbose -log "$exec_output"
386 perror "$object: nm failed"
391 # Define various symbols needed when not linking against all
393 proc ld_simple_link_defsyms {} {
395 set flags "--defsym __stack_chk_fail=0"
397 # ARM targets call __gccmain
398 if {[istarget arm*-*-*]} {
399 append flags " --defsym __gccmain=0"
402 # Windows targets need __main, prefixed with underscore.
403 if {[istarget *-*-cygwin* ] || [istarget *-*-mingw*]} {
404 append flags " --defsym ___main=0"
407 # PowerPC EABI code calls __eabi.
408 if {[istarget powerpc*-*-eabi*] || [istarget powerpc*-*-rtems*]} {
409 append flags " --defsym __eabi=0"
412 # mn10200 code calls __truncsipsi2_d0_d2.
413 if {[istarget mn10200*-*-*]} then {
414 append flags " --defsym __truncsipsi2_d0_d2=0"
417 # m6811/m6812 code has references to soft registers.
418 if {[istarget m6811-*-*] || [istarget m6812-*-*] || [istarget m68hc1*-*-*]} {
419 append flags " --defsym _.frame=0 --defsym _.d1=0 --defsym _.d2=0"
420 append flags " --defsym _.d3=0 --defsym _.d4=0"
421 append flags " --defsym _.tmp=0 --defsym _.xy=0 --defsym _.z=0"
424 # Some OpenBSD targets have ProPolice and reference __guard and
425 # __stack_smash_handler.
426 if [istarget *-*-openbsd*] {
427 append flags " --defsym __guard=0"
428 append flags " --defsym __stack_smash_handler=0"
435 # Copied from gas testsuite, tweaked and further extended.
437 # Assemble a .s file, then run some utility on it and check the output.
439 # There should be an assembly language file named FILE.s in the test
440 # suite directory, and a pattern file called FILE.d. `run_dump_test'
441 # will assemble FILE.s
, run some tool like `objdump
', `objcopy', or
442 # `nm
' on the .o file to produce textual output, and then analyze that
443 # with regexps. The FILE.d file specifies what program to run, and
444 # what to expect in its output.
446 # The FILE.d file begins with zero or more option lines, which specify
447 # flags to pass to the assembler, the program to run to dump the
448 # assembler's output
, and the options it wants. The option lines have
453 # OPTION is the
name of some option
, like
"name" or "objdump", and
454 # VALUE is OPTION
's value. The valid options are described below.
455 # Whitespace is ignored everywhere, except within VALUE. The option
456 # list ends with the first line that doesn't match the above syntax
457 #
(hmm
, not great
for error detection
).
459 # The interesting options are
:
462 # The
name of this test
, passed to DejaGNU
's `pass' and `fail
'
463 # commands. If omitted, this defaults to FILE, the root of the
464 # .s and .d files' names.
467 # When assembling
, pass FLAGS to the assembler.
468 #
If assembling several files
, you can pass different assembler
469 # options in the
"source" directives. See below.
472 # Link assembled files using FLAGS
, in the order of the
"source"
473 # directives
, when using multiple files.
475 # ld_after_inputfiles
: FLAGS
476 # Similar to
"ld", but put after all input files.
478 # objcopy_linked_file
: FLAGS
479 # Run objcopy
on the linked file with the specified flags.
480 # This lets you transform the linked file using objcopy
, before the
481 # result is analyzed by an analyzer
program specified below
(which
482 # may in turn
*also
* be objcopy
).
485 # The
name of the
program to run to analyze the .o file produced
486 # by the assembler or the linker output. This can be omitted
;
487 # run_dump_test will guess which
program to run by seeing which of
488 # the flags options below is present.
493 # Use the specified
program to analyze the assembler or linker
494 # output file
, and pass it FLAGS
, in addition to the output
name.
495 # Note that they are run with LC_ALL
=C in the environment to give
496 # consistent sorting of symbols.
498 # source
: SOURCE
[FLAGS
]
499 # Assemble the file SOURCE.s using the flags in the
"as" directive
500 # and the
(optional
) FLAGS.
If omitted
, the source defaults to
502 # This is useful
if several .d files want to share a .s file.
503 # More than one
"source" directive can be given, which is useful
504 # when testing linking.
507 # The test is expected to fail
on TARGET. This may occur more than
511 # Only run the test
for TARGET. This may occur more than once
; the
512 # target being tested must match at least one. You may provide target
513 #
name "cfi" for any target supporting the CFI statements.
516 #
Do not run the test
for TARGET. This may occur more than once
;
517 # the target being tested must not match
any of them.
520 # An error with message matching REGEX must be emitted
for the test
521 # to pass. The PROG
, objdump
, nm and objcopy options have no
522 # meaning and need not supplied
if this is present. Multiple
"error"
523 # directives append to the expected linker error message.
526 # Expect a linker warning matching REGEX. It is an error to issue
527 # both
"error" and "warning". Multiple "warning" directives
528 # append to the expected linker warning message.
530 # Each option may occur at most once unless otherwise mentioned.
532 # After the option lines come regexp lines. `run_dump_test
' calls
533 # `regexp_diff' to compare the output of the dumping tool against the
534 # regexps in FILE.d. `regexp_diff
' is defined in binutils-common.exp;
535 # see further comments there.
537 proc run_dump_test { name } {
539 global OBJDUMP NM AS OBJCOPY READELF LD
540 global OBJDUMPFLAGS NMFLAGS ASFLAGS OBJCOPYFLAGS READELFFLAGS LDFLAGS
541 global host_triplet runtests
544 if [string match "*/*" $name] {
546 set name [file tail $name]
548 set file "$srcdir/$subdir/$name"
551 if ![runtest_file_p $runtests $name] then {
555 set opt_array [slurp_options "${file}.d"]
556 if { $opt_array == -1 } {
557 perror "error reading options from $file.d"
558 unresolved $subdir/$name
561 set dumpfile tmpdir/dump.out
566 set opts(ld_after_inputfiles) {}
569 set opts(notarget) {}
579 set opts(objcopy_linked_file) {}
581 foreach i $opt_array {
582 set opt_name [lindex $i 0]
583 set opt_val [lindex $i 1]
584 if ![info exists opts($opt_name)] {
585 perror "unknown option $opt_name in file $file.d"
586 unresolved $subdir/$name
590 switch -- $opt_name {
597 # Move any source-specific as-flags to a separate list to
598 # simplify processing.
599 if { [llength $opt_val] > 1 } {
600 lappend asflags [lrange $opt_val 1 end]
601 set opt_val [lindex $opt_val 0]
607 if [string length $opts($opt_name)] {
608 perror "option $opt_name multiply set in $file.d"
609 unresolved $subdir/$name
613 # A single "# ld:" with no options should do the right thing.
614 if { $opt_name == "ld" } {
617 # Likewise objcopy_linked_file.
618 if { $opt_name == "objcopy_linked_file" } {
623 if { $opt_name == "as" || $opt_name == "ld" } {
624 set opt_val [subst $opt_val]
626 set opts($opt_name) [concat $opts($opt_name) $opt_val]
628 foreach opt { as ld } {
629 regsub {\[big_or_little_endian\]} $opts($opt) \
630 [big_or_little_endian] opts($opt)
633 # Decide early whether we should run the test for this target.
634 if { [llength $opts(target)] > 0 } {
636 foreach targ $opts(target) {
637 if [istarget $targ] {
642 if { $targmatch == 0 } {
646 foreach targ $opts(notarget) {
647 if [istarget $targ] {
653 # It's meaningless to require an output
-testing method when we
655 if { $opts
(error
) == "" } {
656 if {$opts
(PROG
) != ""} {
657 switch -- $opts
(PROG
) {
658 objdump
{ set program objdump
}
659 nm
{ set program nm
}
660 objcopy
{ set program objcopy
}
661 readelf
{ set program readelf
}
663 { perror
"unrecognized program option $opts(PROG) in $file.d"
664 unresolved $subdir
/$
name
668 # Guess which
program to run
, by seeing which option was specified.
669 foreach p
{objdump objcopy nm readelf
} {
670 if {$opts
($p
) != ""} {
671 if {$
program != ""} {
672 perror
"ambiguous dump program in $file.d"
673 unresolved $subdir
/$
name
681 if { $
program == "" && $opts(warning) == "" } {
682 perror
"dump program unspecified in $file.d"
683 unresolved $subdir
/$
name
688 if { $opts
(name) == "" } {
689 set testname
"$subdir/$name"
691 set testname $opts
(name)
694 if { $opts
(source
) == "" } {
695 set sourcefiles
[list $
{file
}.s
]
696 set asflags
[list
""]
699 foreach sf $opts
(source
) {
700 if { [string match
"/*" $sf] } {
701 lappend sourcefiles
"$sf"
703 lappend sourcefiles
"$srcdir/$subdir/$sf"
708 # Time to setup xfailures.
709 foreach targ $opts
(xfail
) {
713 # Assemble each file.
715 for { set i
0 } { $i
< [llength $sourcefiles
] } { incr i
} {
716 set sourcefile
[lindex $sourcefiles $i
]
717 set sourceasflags
[lindex $asflags $i
]
719 set objfile
"tmpdir/dump$i.o"
720 catch
"exec rm -f $objfile" exec_output
721 lappend objfiles $objfile
722 set cmd
"$AS $ASFLAGS $opts(as) $sourceasflags -o $objfile $sourcefile"
725 set cmdret
[remote_exec host
[concat sh
-c
[list
"$cmd 2>&1"]] "" "/dev/null" "ld.tmp"]
726 remote_upload host
"ld.tmp"
727 set comp_output
[prune_warnings
[file_contents
"ld.tmp"]]
728 remote_file host
delete "ld.tmp"
729 remote_file build
delete "ld.tmp"
731 if { [lindex $cmdret
0] != 0 ||
![string match
"" $comp_output] } then {
732 send_log
"$comp_output\n"
733 verbose
"$comp_output" 3
735 set exitstat
"succeeded"
736 if { $cmdret
!= 0 } { set exitstat
"failed" }
737 verbose
-log "$exitstat with: <$comp_output>"
743 set expmsg $opts
(error
)
744 if { $opts
(warning
) != "" } {
745 if { $expmsg
!= "" } {
746 perror
"$testname: mixing error and warning test-directives"
749 set expmsg $opts
(warning
)
752 # Perhaps link the file
(s
).
754 set objfile
"tmpdir/dump"
755 catch
"exec rm -f $objfile" exec_output
757 # Add
-L$srcdir
/$subdir so that the linker command can use
758 # linker scripts in the source directory.
759 set cmd
"$LD $LDFLAGS -L$srcdir/$subdir \
760 $opts
(ld) -o $objfile $objfiles $opts
(ld_after_inputfiles
)"
763 set cmdret
[remote_exec host
[concat sh
-c
[list
"$cmd 2>&1"]] "" "/dev/null" "ld.tmp"]
764 remote_upload host
"ld.tmp"
765 set comp_output
[file_contents
"ld.tmp"]
766 remote_file host
delete "ld.tmp"
767 remote_file build
delete "ld.tmp"
768 set cmdret
[lindex $cmdret
0]
770 if { $cmdret
== 0 && $run_objcopy
} {
772 set objfile
"tmpdir/dump1"
773 remote_file host
delete $objfile
775 # Note that we don
't use OBJCOPYFLAGS here; any flags must be
776 # explicitly specified.
777 set cmd "$OBJCOPY $opts(objcopy_linked_file) $infile $objfile"
780 set cmdret [remote_exec host [concat sh -c [list "$cmd 2>&1"]] "" "/dev/null" "ld.tmp"]
781 remote_upload host "ld.tmp"
782 append comp_output [file_contents "ld.tmp"]
783 remote_file host delete "ld.tmp"
784 remote_file build delete "ld.tmp"
785 set cmdret [lindex $cmdret 0]
788 regsub "\n$" $comp_output "" comp_output
789 if { $cmdret != 0 || $comp_output != "" || $expmsg != "" } then {
790 set exitstat "succeeded"
791 if { $cmdret != 0 } { set exitstat "failed" }
792 verbose -log "$exitstat with: <$comp_output>, expected: <$expmsg>"
793 send_log "$comp_output\n"
794 verbose "$comp_output" 3
796 if { ($expmsg == "") == ($comp_output == "") \
797 && [regexp $expmsg $comp_output] \
798 && (($cmdret == 0) == ($opts(error) == "")) } {
799 # We have the expected output from ld.
800 if { $opts(error) != "" || $program == "" } {
805 verbose -log "$exitstat with: <$comp_output>, expected: <$expmsg>"
811 set objfile "tmpdir/dump0.o"
814 # We must not have expected failure if we get here.
815 if { $opts(error) != "" } {
820 set progopts1 $opts($program)
821 eval set progopts \$[string toupper $program]FLAGS
822 eval set binary \$[string toupper $program]
824 if { ![is_remote host] && [which $binary] == 0 } {
829 if { $progopts1 == "" } { set $progopts1 "-r" }
830 verbose "running $binary $progopts $progopts1" 3
832 # Objcopy, unlike the other two, won't send its output to stdout
,
833 # so we have to run it specially.
834 set cmd
"$binary $progopts $progopts1 $objfile > $dumpfile"
835 if { $
program == "objcopy" } {
836 set cmd
"$binary $progopts $progopts1 $objfile $dumpfile"
839 # Ensure consistent sorting of symbols
840 if {[info exists env
(LC_ALL
)]} {
841 set old_lc_all $env
(LC_ALL
)
845 set cmdret
[remote_exec host
[concat sh
-c
[list
"$cmd 2>ld.tmp"]] "" "/dev/null"]
846 set cmdret
[lindex $cmdret
0]
847 remote_upload host
"ld.tmp"
848 set comp_output
[prune_warnings
[file_contents
"ld.tmp"]]
849 remote_file host
delete "ld.tmp"
850 remote_file build
delete "ld.tmp"
851 if {[info exists old_lc_all
]} {
852 set env
(LC_ALL
) $old_lc_all
856 if { $cmdret
!= 0 || $comp_output
!= "" } {
857 send_log
"exited abnormally with $cmdret, output:$comp_output\n"
862 if { $verbose
> 2 } then { verbose
"output is [file_contents $dumpfile]" 3 }
863 if { [regexp_diff $dumpfile
"${file}.d"] } then {
865 if { $verbose
== 2 } then { verbose
"output is [file_contents $dumpfile]" 2 }
872 proc slurp_options
{ file
} {
873 if [catch
{ set f
[open $file r
] } x
] {
874 #perror
"couldn't open `$file': $x"
879 # whitespace expression
882 # whitespace is ignored anywhere except within the options list
;
883 # option names are alphabetic plus underscore only.
884 set pat
"^#${ws}(\[a-zA-Z_\]*)$ws:${ws}(.*)$ws\$"
885 while { [gets $f line
] != -1 } {
886 set line
[string trim $line
]
887 # Whitespace here is space
-tab.
888 if [regexp $pat $line xxx opt_name opt_val
] {
890 lappend opt_array
[list $opt_name $opt_val
]
899 proc file_contents
{ filename
} {
900 set file
[open $filename r
]
901 set contents
[read $file
]
906 proc set_file_contents
{ filename contents
} {
907 set file
[open $filename w
]
908 puts $file
"$contents"
912 # Create an archive using ar
914 proc ar_simple_create
{ ar aropts target objects
} {
915 remote_file host
delete $target
917 set exec_output
[run_host_cmd
"$ar" "$aropts rc $target $objects"]
918 set exec_output
[prune_warnings $exec_output
]
920 if [string match
"" $exec_output] then {
921 send_log
"$exec_output\n"
928 # List contains test
-items with
3 items followed by
2 lists
, one item and
932 #
2:assembler options
933 #
3:filenames of assembler files
934 #
4:list of actions
, options and expected outputs.
935 #
5:name of output file
936 #
6:compiler flags
(optional
)
938 # Actions
: { command command
-line
-options file
-containg
-expected
-output
-regexps
}
940 # objdump
: Apply objdump options
on result.
941 # nm
: Apply nm options
on result.
942 # readelf
: Apply readelf options
on result.
943 #
ld: Don
't apply anything on result. Compare output during linking with
944 # the file containing regexps (which is the second arg, not the third).
945 # Note that this *must* be the first action if it is to be used at all;
946 # in all other cases, any output from the linker during linking is
947 # treated as a sign of an error and FAILs the test.
949 proc run_ld_link_tests { ldtests } {
964 foreach testitem $ldtests {
965 set testname [lindex $testitem 0]
967 if ![runtest_file_p $runtests $testname] then {
971 set ld_options [lindex $testitem 1]
972 set as_options [lindex $testitem 2]
973 set src_files [lindex $testitem 3]
974 set actions [lindex $testitem 4]
975 set binfile tmpdir/[lindex $testitem 5]
976 set cflags [lindex $testitem 6]
983 # verbose -log "Testname is $testname"
984 # verbose -log "ld_options is $ld_options"
985 # verbose -log "as_options is $as_options"
986 # verbose -log "src_files is $src_files"
987 # verbose -log "actions is $actions"
988 # verbose -log "binfile is $binfile"
990 # Assemble each file in the test.
991 foreach src_file $src_files {
992 set fileroot "[file rootname [file tail $src_file]]"
993 set objfile "tmpdir/$fileroot.o"
994 lappend objfiles $objfile
996 if { [file extension $src_file] == ".c" } {
997 set as_file "tmpdir/$fileroot.s"
998 if ![ld_compile "$CC -S $CFLAGS $cflags" $srcdir/$subdir/$src_file $as_file] {
1003 set as_file "$srcdir/$subdir/$src_file"
1005 if ![ld_assemble $as "$as_options $as_file" $objfile] {
1011 # Catch assembler errors.
1012 if { $is_unresolved } {
1013 unresolved $testname
1017 if { [regexp ".*\\.a$" $binfile] } {
1018 if { ![ar_simple_create $ar $ld_options $binfile "$objfiles"] } {
1021 } elseif { ![ld_simple_link $ld $binfile "-L$srcdir/$subdir $ld_options $objfiles"] } {
1023 set ld_output "$exec_output"
1027 foreach actionlist $actions {
1028 set action [lindex $actionlist 0]
1029 set progopts [lindex $actionlist 1]
1031 # There are actions where we run regexp_diff on the
1032 # output, and there are other actions (presumably).
1033 # Handling of the former look the same.
1037 { set dump_prog $objdump }
1039 { set dump_prog $nm }
1041 { set dump_prog $READELF }
1043 { set dump_prog "ld" }
1046 perror "Unrecognized action $action"
1052 if { $action == "ld" } {
1053 set regexpfile $progopts
1054 verbose "regexpfile is $srcdir/$subdir/$regexpfile"
1055 set_file_contents "tmpdir/ld.messages" "$ld_output"
1056 verbose "ld.messages has '[file_contents tmpdir
/ld.messages
]'"
1057 if { [regexp_diff "tmpdir/ld.messages" "$srcdir/$subdir/$regexpfile"] } then {
1058 verbose "output is $ld_output" 2
1063 } elseif { !$maybe_failed && $dump_prog != "" } {
1064 set dumpfile [lindex $actionlist 2]
1065 set binary $dump_prog
1067 # Ensure consistent sorting of symbols
1068 if {[info exists env(LC_ALL)]} {
1069 set old_lc_all $env(LC_ALL)
1072 set cmd "$binary $progopts $binfile"
1073 set status [remote_exec host [concat sh -c [list "$cmd >dump.out 2>ld.stderr"]] "" "/dev/null"]
1075 remote_upload host "ld.stderr"
1076 set comp_output [prune_warnings [file_contents "ld.stderr"]]
1077 remote_file host delete "ld.stderr"
1078 remote_file build delete "ld.stderr"
1080 if {[info exists old_lc_all]} {
1081 set env(LC_ALL) $old_lc_all
1086 if ![string match "" $comp_output] then {
1087 send_log "$comp_output\n"
1092 remote_upload host "dump.out"
1094 if { [regexp_diff "dump.out" "$srcdir/$subdir/$dumpfile"] } then {
1095 verbose "output is [file_contents "dump.out"]" 2
1097 remote_file build delete "dump.out"
1098 remote_file host delete "dump.out"
1101 remote_file build delete "dump.out"
1102 remote_file host delete "dump.out"
1107 if { $is_unresolved } {
1108 unresolved $testname
1109 } elseif { $maybe_failed || $failed } {
1117 # This definition is taken from an unreleased version of DejaGnu. Once
1118 # that version gets released, and has been out in the world for a few
1119 # months at least, it may be safe to delete this copy.
1120 if ![string length [info proc prune_warnings]] {
1122 # prune_warnings -- delete various system verbosities from TEXT
1125 # ld.so: warning: /usr/lib/libc.so.1.8.1 has older revision than expected 9
1127 # Sites with particular verbose os's may wish to override this in site.exp.
1129 proc prune_warnings
{ text } {
1130 # This is from sun4
's. Do it for all machines for now.
1131 # The "\\1" is to try to preserve a "\n" but only if necessary.
1132 regsub -all "(^|\n)(ld.so: warning:\[^\n\]*\n?)+" $text "\\1" text
1134 # It might be tempting to get carried away and delete blank lines, etc.
1135 # Just delete *exactly* what we're ask to
, and that
's it.
1140 # targets_to_xfail is a list of target triplets to be xfailed.
1141 # ldtests contains test-items with 3 items followed by 1 lists, 2 items
1142 # and 3 optional items:
1145 # 2:assembler options
1146 # 3:filenames of source files
1147 # 4:name of output file
1149 # 6:compiler flags (optional)
1150 # 7:language (optional)
1151 # 8:linker warning (optional)
1153 proc run_ld_link_exec_tests { targets_to_xfail ldtests } {
1166 foreach testitem $ldtests {
1167 foreach target $targets_to_xfail {
1170 set testname [lindex $testitem 0]
1171 set ld_options [lindex $testitem 1]
1172 set as_options [lindex $testitem 2]
1173 set src_files [lindex $testitem 3]
1174 set binfile tmpdir/[lindex $testitem 4]
1175 set expfile [lindex $testitem 5]
1176 set cflags [lindex $testitem 6]
1177 set lang [lindex $testitem 7]
1178 set warning [lindex $testitem 8]
1182 # verbose -log "Testname is $testname"
1183 # verbose -log "ld_options is $ld_options"
1184 # verbose -log "as_options is $as_options"
1185 # verbose -log "src_files is $src_files"
1186 # verbose -log "actions is $actions"
1187 # verbose -log "binfile is $binfile"
1189 # Assemble each file in the test.
1190 foreach src_file $src_files {
1191 set fileroot "[file rootname [file tail $src_file]]"
1192 set objfile "tmpdir/$fileroot.o"
1193 lappend objfiles $objfile
1195 # We ignore warnings since some compilers may generate
1196 # incorrect section attributes and the assembler will warn
1198 if { [ string match "c++" $lang ] } {
1199 ld_compile "$CXX -c $CXXFLAGS $cflags" $srcdir/$subdir/$src_file $objfile
1201 ld_compile "$CC -c $CFLAGS $cflags" $srcdir/$subdir/$src_file $objfile
1204 # We have to use $CC to build PIE and shared library.
1205 if { [ string match "c" $lang ] } {
1206 set link_proc ld_simple_link
1208 } elseif { [ string match "c++" $lang ] } {
1209 set link_proc ld_simple_link
1211 } elseif { [ string match "-shared" $ld_options ] \
1212 || [ string match "-pie" $ld_options ] } {
1213 set link_proc ld_simple_link
1216 set link_proc ld_link
1220 if ![$link_proc $link_cmd $binfile "-L$srcdir/$subdir $ld_options $objfiles"] {
1226 # Check if exec_output is expected.
1227 if { $warning != "" } then {
1228 verbose -log "returned with: <$exec_output>, expected: <$warning>"
1229 if { [regexp $warning $exec_output] } then {
1236 if { $failed == 0 } {
1237 send_log "Running: $binfile > $binfile.out\n"
1238 verbose "Running: $binfile > $binfile.out"
1239 catch "exec $binfile > $binfile.out" exec_output
1241 if ![string match "" $exec_output] then {
1242 send_log "$exec_output\n"
1243 verbose "$exec_output" 1
1246 send_log "diff $binfile.out $srcdir/$subdir/$expfile\n"
1247 verbose "diff $binfile.out $srcdir/$subdir/$expfile"
1248 catch "exec diff $binfile.out $srcdir/$subdir/$expfile" exec_output
1249 set exec_output [prune_warnings $exec_output]
1251 if ![string match "" $exec_output] then {
1252 send_log "$exec_output\n"
1253 verbose "$exec_output" 1
1259 if { $failed != 0 } {
1269 # List contains test-items with 3 items followed by 2 lists, one item and
1270 # one optional item:
1272 # 1:ld or ar options
1274 # 3:filenames of source files
1275 # 4:action and options.
1276 # 5:name of output file
1277 # 6:language (optional)
1278 # 7:linker warnings (optional)
1281 # objdump: Apply objdump options on result. Compare with regex (last arg).
1282 # nm: Apply nm options on result. Compare with regex (last arg).
1283 # readelf: Apply readelf options on result. Compare with regex (last arg).
1285 proc run_cc_link_tests { ldtests } {
1299 foreach testitem $ldtests {
1300 set testname [lindex $testitem 0]
1301 set ldflags [lindex $testitem 1]
1302 set cflags [lindex $testitem 2]
1303 set src_files [lindex $testitem 3]
1304 set actions [lindex $testitem 4]
1305 set binfile tmpdir/[lindex $testitem 5]
1306 set lang [lindex $testitem 6]
1307 set warnings [lindex $testitem 7]
1312 # Compile each file in the test.
1313 foreach src_file $src_files {
1314 set fileroot "[file rootname [file tail $src_file]]"
1315 set objfile "tmpdir/$fileroot.o"
1316 lappend objfiles $objfile
1318 # We ignore warnings since some compilers may generate
1319 # incorrect section attributes and the assembler will warn
1321 if { [ string match "c++" $lang ] } {
1322 ld_compile "$CXX -c $CXXFLAGS $cflags" $srcdir/$subdir/$src_file $objfile
1324 ld_compile "$CC -c $CFLAGS $cflags" $srcdir/$subdir/$src_file $objfile
1328 # Clear error and warning counts.
1331 if { [ string match "c++" $lang ] } {
1337 if { [regexp ".*\\.a$" $binfile] } {
1338 if { ![ar_simple_create $ar $ldflags $binfile "$objfiles"] } {
1344 } elseif { ![ld_simple_link $cc_cmd $binfile "-L$srcdir/$subdir $ldflags $objfiles"] } {
1345 # Check if exec_output is expected.
1346 if { $warnings != "" } then {
1347 verbose -log "returned with: <$exec_output>, expected: <$warnings>"
1348 if { [regexp $warnings $exec_output] } then {
1361 if { $failed == 0 } {
1362 foreach actionlist $actions {
1363 set action [lindex $actionlist 0]
1364 set progopts [lindex $actionlist 1]
1366 # There are actions where we run regexp_diff on the
1367 # output, and there are other actions (presumably).
1368 # Handling of the former look the same.
1372 { set dump_prog $objdump }
1374 { set dump_prog $nm }
1376 { set dump_prog $READELF }
1379 perror "Unrecognized action $action"
1385 if { $dump_prog != "" } {
1386 set dumpfile [lindex $actionlist 2]
1387 set binary $dump_prog
1389 # Ensure consistent sorting of symbols
1390 if {[info exists env(LC_ALL)]} {
1391 set old_lc_all $env(LC_ALL)
1394 set cmd "$binary $progopts $binfile > dump.out"
1396 catch "exec $cmd" comp_output
1397 if {[info exists old_lc_all]} {
1398 set env(LC_ALL) $old_lc_all
1402 set comp_output [prune_warnings $comp_output]
1404 if ![string match "" $comp_output] then {
1405 send_log "$comp_output\n"
1410 if { [regexp_diff "dump.out" "$srcdir/$subdir/$dumpfile"] } then {
1411 verbose "output is [file_contents "dump.out"]" 2
1418 if { $failed != 0 } {
1420 } else { if { $is_unresolved == 0 } {
1425 # Catch action errors.
1426 if { $is_unresolved != 0 } {
1427 unresolved $testname
1433 # Returns true if --gc-sections is supported on the target.
1435 proc check_gc_sections_available { } {
1436 global gc_sections_available_saved
1439 if {![info exists gc_sections_available_saved]} {
1440 # Some targets don't support gc
-sections despite whatever
's
1441 # advertised by ld's options.
1442 if {[istarget arc
-*-*]
1443 ||
[istarget d30v
-*-*]
1444 ||
[istarget dlx
-*-*]
1445 ||
[istarget i960
-*-*]
1446 ||
[istarget or32
-*-*]
1447 ||
[istarget pj
*-*-*]
1448 ||
[istarget alpha
-*-*]
1449 ||
[istarget hppa
*64-*-*]
1450 ||
[istarget i370
-*-*]
1451 ||
[istarget i860
-*-*]
1452 ||
[istarget ia64
-*-*]
1453 ||
[istarget mep
-*-*]
1454 ||
[istarget mn10200
-*-*]
1455 ||
[istarget
*-*-cygwin
]
1456 ||
[istarget
*-*-mingw
*] } {
1457 set gc_sections_available_saved
0
1461 # elf2flt uses
-q
(--emit
-relocs
), which is incompatible with
1463 if { [board_info target
exists ldflags
]
1464 && [regexp
" -elf2flt\[ =\]" " [board_info target ldflags] "] } {
1465 set gc_sections_available_saved
0
1469 # Check
if the
ld used by gcc supports
--gc
-sections.
1470 # FIXME
: this test is useless since
ld --help always says
1471 #
--gc
-sections is available
1472 set ld_output
[remote_exec host $
ld "--help"]
1473 if { [ string first
"--gc-sections" $ld_output ] >= 0 } {
1474 set gc_sections_available_saved
1
1476 set gc_sections_available_saved
0
1479 return $gc_sections_available_saved
1482 # Returns true
if -shared is supported
on the target
1483 # Only used and accurate
for ELF targets at the moment
1485 proc check_shared_lib_support
{ } {
1486 if {![istarget arc
-*-*]
1487 && ![istarget avr
-*-*]
1488 && ![istarget cr16
-*-*]
1489 && ![istarget cris
*-*-*]
1490 && ![istarget crx
-*-*]
1491 && ![istarget d10v
-*-*]
1492 && ![istarget d30v
-*-*]
1493 && ![istarget dlx
-*-*]
1494 && ![istarget epiphany
-*-*]
1495 && ![istarget fr30
-*-*]
1496 && ![istarget frv
-*-*]
1497 && ![istarget h8300
-*-*]
1498 && ![istarget i860
-*-*]
1499 && ![istarget i960
-*-*]
1500 && ![istarget ip2k
-*-*]
1501 && ![istarget iq2000
-*-*]
1502 && ![istarget lm32
-*-*]
1503 && ![istarget m32c
-*-*]
1504 && ![istarget m32r
-*-*]
1505 && ![istarget m6811
-*-*]
1506 && ![istarget m6812
-*-*]
1507 && ![istarget m68hc1
*-*-*]
1508 && ![istarget mcore
*-*-*]
1509 && ![istarget mep
-*-*]
1510 && ![istarget microblaze
-*-*]
1511 && ![istarget mn10200
-*-*]
1512 && ![istarget moxie
-*-*]
1513 && ![istarget msp430
-*-*]
1514 && ![istarget mt
-*-*]
1515 && ![istarget openrisc
-*-*]
1516 && ![istarget or32
-*-*]
1517 && ![istarget pj
-*-*]
1518 && ![istarget rx
-*-*]
1519 && ![istarget spu
-*-*]
1520 && ![istarget v850
*-*-*]
1521 && ![istarget xstormy16
-*-*]
1522 && ![istarget
*-*-irix
*]
1523 && ![istarget
*-*-rtems
] } {
1529 # Returns true
if the target
ld supports the plugin API.
1530 proc check_plugin_api_available
{ } {
1531 global plugin_api_available_saved
1533 if {![info exists plugin_api_available_saved
]} {
1534 # Check
if the
ld used by gcc supports
--plugin.
1535 set ld_output
[remote_exec host $
ld "--help"]
1536 if { [ string first
"-plugin" $ld_output ] >= 0 } {
1537 set plugin_api_available_saved
1
1539 set plugin_api_available_saved
0
1542 return $plugin_api_available_saved
1545 # Check
if the assembler supports CFI statements.
1547 proc check_as_cfi
{ } {
1548 global check_as_cfi_result
1550 if [info exists check_as_cfi_result
] {
1551 return $check_as_cfi_result
1553 set as_file
"tmpdir/check_as_cfi.s"
1554 set as_fh
[open $as_file w
0666]
1555 puts $as_fh
"# Generated file. DO NOT EDIT"
1556 puts $as_fh
"\t.cfi_startproc"
1557 puts $as_fh
"\t.cfi_endproc"
1559 remote_download host $as_file
1560 verbose
-log "Checking CFI support:"
1561 rename "perror" "check_as_cfi_perror"
1562 proc perror
{ args } { }
1563 set success
[ld_assemble $as $as_file
"/dev/null"]
1565 rename "check_as_cfi_perror" "perror"
1566 #remote_file host
delete $as_file
1567 set check_as_cfi_result $success
1571 # Provide virtual target
"cfi" for targets supporting CFI.
1573 rename "istarget" "istarget_ld"
1574 proc istarget
{ target
} {
1575 if {$target
== "cfi"} {
1576 return [check_as_cfi
]
1578 return [istarget_ld $target
]