1 # Support routines for LD testsuite.
2 # Copyright (C) 1994-2018 Free Software Foundation, Inc.
4 # This file is part of the GNU Binutils.
6 # This file is free software; you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation; either version 3 of the License, or
9 # (at your option) any later version.
11 # This program is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with this program; if not, write to the Free Software
18 # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
21 proc load_common_lib { name } {
23 load_file $srcdir/../../binutils/testsuite/lib/$name
26 load_common_lib binutils-common.exp
28 # Returns 1 if the gcc for the target is at least version MAJOR.MINOR
29 # Returns 0 otherwise.
31 proc at_least_gcc_version { major minor } {
34 if {![info exists CC]} {
40 set state [remote_exec host $CC --version]
41 if { [lindex $state 0] != 0 } {
44 set tmp "[lindex $state 1]\n"
45 # Look for (eg) 4.6.1 in the version output.
46 set ver_re "\[^\\.0-9\]+(\[1-9\]\[0-9\]*)\\.(\[0-9\]+)(?:\\.\[0-9\]+)?"
47 regexp $ver_re $tmp fred maj min
48 verbose "gcc version: $tmp"
49 if { ![info exists maj] || ![info exists min] } then {
50 perror "can't decipher gcc version number, fix the framework!"
53 verbose "major gcc version is $maj, want at least $major"
54 if { $maj == $major } then {
55 verbose "minor gcc version is $min, want at least $minor"
56 return [expr $min >= $minor]
58 return [expr $maj > $major]
62 # Extract and print the version number of ld.
64 proc default_ld_version { ld } {
67 if { ![is_remote host] && [which $ld] == 0 } then {
68 perror "$ld does not exist"
72 remote_exec host "$ld --version" "" "/dev/null" "ld.version"
73 remote_upload host "ld.version"
74 set tmp [prune_warnings [file_contents "ld.version"]]
75 remote_file build delete "ld.version"
76 remote_file host delete "ld.version"
78 regexp "\[^\n\]* (cygnus-|)(\[-0-9.a-zA-Z-\]+)\[\r\n\].*" $tmp version cyg number
79 if [info exists number] then {
80 clone_output "$ld $number\n"
84 proc run_host_cmd { prog command } {
88 global gcc_ld_B_opt_tested
91 if { ![is_remote host] && [which "$prog"] == 0 } then {
92 perror "$prog does not exist"
96 # If we are compiling with gcc, we want to add gcc_B_opt and
97 # ld_L_opt to flags. However, if $prog already has -B options,
98 # which might be the case when running gcc out of a build
99 # directory, we want our -B options to come first.
101 set gccparm [string first " " $gccexe]
103 if { $gccparm > 0 } then {
104 set gccflags [string range $gccexe $gccparm end]
105 set gccexe [string range $gccexe 0 $gccparm]
108 set gccexe [string replace $gccexe 0 [string last "/" $gccexe] ""]
109 if {[string match "*cc*" $gccexe] || [string match "*++*" $gccexe]} then {
110 set gccflags "$gcc_B_opt $gccflags $ld_L_opt"
111 if {![info exists gcc_ld_B_opt_tested]} {
112 set gcc_ld_B_opt_tested 1
113 set ld_version_message [run_host_cmd "$ld" "--version"]
114 set gcc_ld_version_message [run_host_cmd "$prog" "$gccflags -Wl,--version"]
115 if {[string first $ld_version_message $gcc_ld_version_message] < 0} {
116 perror "************************************************************************"
117 perror "Your compiler driver ignores -B when choosing ld."
118 perror "You will not be testing the new ld in many of the following tests."
119 set gcc_ld_version [run_host_cmd "$prog" "$gccflags --print-prog-name=ld"]
120 if {![string match "" $gcc_ld_version] && ![string match "ld" $gcc_ld_version]} {
122 perror "It seems you will be testing $gcc_ld_version instead."
124 perror "************************************************************************"
129 verbose -log "$prog $gccflags $command"
130 set status [remote_exec host [concat sh -c [list "$prog $gccflags $command 2>&1"]] "" "/dev/null" "ld.tmp"]
131 remote_upload host "ld.tmp"
132 set link_output [file_contents "ld.tmp"]
133 regsub "\n$" $link_output "" link_output
134 if { [lindex $status 0] != 0 && [string match "" $link_output] } then {
135 append link_output "child process exited abnormally"
137 remote_file build delete ld.tmp
138 remote_file host delete ld.tmp
140 if [string match "" $link_output] then {
144 verbose -log "$link_output"
145 return "$link_output"
148 proc run_host_cmd_yesno { prog command } {
150 global errcnt warncnt
152 set exec_output [prune_warnings [run_host_cmd "$prog" "$command"]]
153 # Ignore error and warning.
156 if [string match "" $exec_output] then {
162 # Link an object using relocation.
164 proc default_ld_relocate { ld target objects } {
167 remote_file host delete $target
168 return [run_host_cmd_yesno "$ld" "$HOSTING_EMU -o $target -r $objects"]
171 # Check to see if ld is being invoked with a non-endian output format
173 proc is_endian_output_format { object_flags } {
175 if {[string match "*-oformat binary*" $object_flags] || \
176 [string match "*-oformat ieee*" $object_flags] || \
177 [string match "*-oformat ihex*" $object_flags] || \
178 [string match "*-oformat netbsd-core*" $object_flags] || \
179 [string match "*-oformat srec*" $object_flags] || \
180 [string match "*-oformat tekhex*" $object_flags] || \
181 [string match "*-oformat trad-core*" $object_flags] } then {
188 # Look for big-endian or little-endian switches in the multlib
189 # options and translate these into a -EB or -EL switch. Note
190 # we cannot rely upon proc process_multilib_options to do this
191 # for us because for some targets the compiler does not support
192 # -EB/-EL but it does support -mbig-endian/-mlittle-endian, and
193 # the site.exp file will include the switch "-mbig-endian"
194 # (rather than "big-endian") which is not detected by proc
195 # process_multilib_options.
197 proc big_or_little_endian {} {
199 if [board_info [target_info name] exists multilib_flags] {
200 set tmp_flags " [board_info [target_info name] multilib_flags]"
202 foreach x $tmp_flags {
204 {*big*endian eb EB -eb -EB -mb -meb} {
208 {*little*endian el EL -el -EL -ml -mel} {
220 # Link a program using ld
222 proc default_ld_link { ld target objects } {
227 if [is_endian_output_format $objects] then {
228 set flags [big_or_little_endian]
231 remote_file host delete $target
232 set exec_output [run_host_cmd "$ld" "$flags -o $target $objects"]
233 set exec_output [prune_warnings $exec_output]
235 # We don't care if we get a warning about a non-existent start
236 # symbol, since the default linker script might use ENTRY.
237 regsub -all "(^|\n)(\[^\n\]*: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output
239 return [string match "" $exec_output]
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 "$gcc_B_opt -I$srcdir/$subdir"
266 # If we are compiling with gcc, we want to add gcc_B_opt to flags.
267 # However, if $prog already has -B options, which might be the
268 # case when running gcc out of a build directory, we want our -B
269 # options to come first.
271 set ccparm [string first " " $cc]
273 if { $ccparm > 0 } then {
274 set ccflags [string range $cc $ccparm end]
275 set ccexe [string range $cc 0 $ccparm]
279 set ccexe [string replace $ccexe 0 [string last "/" $ccexe] ""]
280 if {[string match "*++*" $ccexe]} {
281 append flags " $CXXFLAGS"
283 append flags " $CFLAGS"
286 if [board_info [target_info name] exists cflags] {
287 append flags " [board_info [target_info name] cflags]"
290 if [board_info [target_info name] exists multilib_flags] {
291 append flags " [board_info [target_info name] multilib_flags]"
294 set cmd "$cc $flags $ccflags -c $source -o $object"
297 set status [remote_exec host [concat sh -c [list "$cmd 2>&1"]] "" "/dev/null" "ld.tmp"]
298 remote_upload host "ld.tmp"
299 set exec_output [file_contents "ld.tmp"]
300 remote_file build delete "ld.tmp"
301 remote_file host delete "ld.tmp"
302 set exec_output [prune_warnings $exec_output]
303 # Versions of gcc up to and including pre-release gcc-7, at least on
304 # some targets, generate .section directives with incorrect type.
305 # Ignore warnings from the assembler about this.
306 regsub -all "(^|\n)\[^\n\]*: ignoring incorrect section type \[^\n\]*" $exec_output "" exec_output
307 regsub -all "^\[^\n\]*: Assembler messages:\n" $exec_output "" exec_output
308 if [string match "" $exec_output] then {
309 if {![file exists $object]} then {
310 regexp ".*/(\[^/\]*)$" $source all dobj
311 regsub "\\.c" $dobj ".o" realobj
312 verbose "looking for $realobj"
313 if {[remote_file host exists $realobj]} then {
314 verbose -log "mv $realobj $object"
315 remote_upload "$realobj" "$object"
317 perror "$object not found after compilation"
323 verbose -log "$exec_output"
324 perror "$source: compilation failed"
331 proc default_ld_assemble { as in_flags source object } {
337 if ![info exists ASFLAGS] { set ASFLAGS "" }
339 set flags "[big_or_little_endian] -I$srcdir/$subdir"
340 set exec_output [run_host_cmd "$as" "$flags $in_flags $ASFLAGS -o $object $source"]
341 set exec_output [prune_warnings $exec_output]
342 if [string match "" $exec_output] then {
345 perror "$source: assembly failed"
350 # Run nm on a file, putting the result in the array nm_output.
352 proc default_ld_nm { nm nmflags object } {
357 if {[info exists nm_output]} {
361 if ![info exists NMFLAGS] { set NMFLAGS "" }
363 # Ensure consistent sorting of symbols
364 if {[info exists env(LC_ALL)]} {
365 set old_lc_all $env(LC_ALL)
369 verbose -log "$nm $NMFLAGS $nmflags $object >tmpdir/nm.out"
371 set status [remote_exec host [concat sh -c [list "$nm $NMFLAGS $nmflags $object 2>ld.stderr"]] "" "/dev/null" "tmpdir/nm.out"]
372 if {[info exists old_lc_all]} {
373 set env(LC_ALL) $old_lc_all
377 remote_upload host "ld.stderr"
378 remote_upload host "tmpdir/nm.out" "tmpdir/nm.out"
379 set exec_output [prune_warnings [file_contents "ld.stderr"]]
380 remote_file host delete "ld.stderr"
381 remote_file build delete "ld.stderr"
382 if [string match "" $exec_output] then {
383 set file [open tmpdir/nm.out r]
384 while { [gets $file line] != -1 } {
386 if [regexp "^(\[0-9a-fA-F\]+) \[a-zA-Z0-9\] \\.*(.+)$" $line whole value name] {
387 set name [string trimleft $name "_"]
388 verbose "Setting nm_output($name) to 0x$value" 2
389 set nm_output($name) 0x$value
395 verbose -log "$exec_output"
396 perror "$object: nm failed"
401 # Define various symbols needed when not linking against all
403 proc ld_link_defsyms {} {
405 set flags "--defsym __stack_chk_fail=0"
407 # ARM targets call __gccmain
408 if {[istarget arm*-*-*]} {
409 append flags " --defsym __gccmain=0"
412 # Windows targets need __main, some prefixed with underscore.
413 if {[istarget *-*-cygwin* ] || [istarget *-*-mingw*]} {
414 append flags " --defsym __main=0 --defsym ___main=0"
417 # PowerPC EABI code calls __eabi.
418 if {[istarget powerpc*-*-eabi*] || [istarget powerpc*-*-rtems*]} {
419 append flags " --defsym __eabi=0"
422 # mn10200 code calls __truncsipsi2_d0_d2.
423 if {[istarget mn10200*-*-*]} then {
424 append flags " --defsym __truncsipsi2_d0_d2=0"
427 # m6811/m6812 code has references to soft registers.
428 if {[istarget m6811-*-*] || [istarget m6812-*-*] || [istarget m68hc1*-*-*]} {
429 append flags " --defsym _.frame=0 --defsym _.d1=0 --defsym _.d2=0"
430 append flags " --defsym _.d3=0 --defsym _.d4=0"
431 append flags " --defsym _.tmp=0 --defsym _.xy=0 --defsym _.z=0"
434 # Some OpenBSD targets have ProPolice and reference __guard and
435 # __stack_smash_handler.
436 if [istarget *-*-openbsd*] {
437 append flags " --defsym __guard=0"
438 append flags " --defsym __stack_smash_handler=0"
444 # run_dump_test FILE (optional:) EXTRA_OPTIONS
445 # Copied from gas testsuite, tweaked and further extended.
447 # Assemble a .s file, then run some utility on it and check the output.
449 # There should be an assembly language file named FILE.s in the test
450 # suite directory, and a pattern file called FILE.d. `run_dump_test'
451 # will assemble FILE.s, run some tool like `objdump', `objcopy', or
452 # `nm' on the .o file to produce textual output, and then analyze that
453 # with regexps. The FILE.d file specifies what program to run, and
454 # what to expect in its output.
456 # The FILE.d file begins with zero or more option lines, which specify
457 # flags to pass to the assembler, the program to run to dump the
458 # assembler's output, and the options it wants. The option lines have
463 # OPTION is the name of some option, like "name" or "objdump", and
464 # VALUE is OPTION's value. The valid options are described below.
465 # Whitespace is ignored everywhere, except within VALUE. The option
466 # list ends with the first line that doesn't match the above syntax
467 # (hmm, not great for error detection).
469 # The optional EXTRA_OPTIONS argument to `run_dump_test' is a list of
470 # two-element lists. The first element of each is an option name, and
471 # the second additional arguments to be added on to the end of the
472 # option list as given in FILE.d. (If omitted, no additional options
475 # The interesting options are:
478 # The name of this test, passed to DejaGNU's `pass' and `fail'
479 # commands. If omitted, this defaults to FILE, the root of the
480 # .s and .d files' names.
483 # When assembling, pass FLAGS to the assembler.
484 # If assembling several files, you can pass different assembler
485 # options in the "source" directives. See below.
488 # Link assembled files using FLAGS, in the order of the "source"
489 # directives, when using multiple files.
491 # ld_after_inputfiles: FLAGS
492 # Similar to "ld", but put after all input files.
494 # objcopy_objects: FLAGS
495 # Run objcopy with the specified flags after assembling any source
496 # that has the special marker RUN_OBJCOPY in the source specific
499 # objcopy_linked_file: FLAGS
500 # Run objcopy on the linked file with the specified flags.
501 # This lets you transform the linked file using objcopy, before the
502 # result is analyzed by an analyzer program specified below (which
503 # may in turn *also* be objcopy).
506 # The name of the program to run to analyze the .o file produced
507 # by the assembler or the linker output. This can be omitted;
508 # run_dump_test will guess which program to run by seeing which of
509 # the flags options below is present.
515 # Use the specified program to analyze the assembler or linker
516 # output file, and pass it FLAGS, in addition to the output name.
517 # Note that they are run with LC_ALL=C in the environment to give
518 # consistent sorting of symbols.
520 # source: SOURCE [FLAGS]
521 # Assemble the file SOURCE.s using the flags in the "as" directive
522 # and the (optional) FLAGS. If omitted, the source defaults to
524 # This is useful if several .d files want to share a .s file.
525 # More than one "source" directive can be given, which is useful
526 # when testing linking.
529 # Match against DUMP.d. If omitted, this defaults to FILE.d. This
530 # is useful if several .d files differ by options only. Options are
531 # always read from FILE.d.
534 # The test is expected to fail on TARGET. This may occur more than
538 # Only run the test for TARGET.
539 # You may provide target name "cfi" for any target supporting the
540 # CFI statements. You may provide target name "shared" for any
541 # target supporting shared libraries. Otherwise TARGET is called
542 # as a TCL procedure if surrounded by square brackets, or passed
543 # to "istarget" if not.
544 # This may occur more than once; the target being tested must match
548 # Only run the test for TARGET.
549 # The syntax for TARGET is as with 'target'.
550 # This may occur more than once; the target being tested must match
554 # Do not run the test for TARGET.
555 # The syntax for TARGET is as with 'target'.
556 # This may occur more than once; the target being tested must not
560 # An error with message matching REGEX must be emitted for the test
561 # to pass. The PROG, readelf, objdump, nm and objcopy options have
562 # no meaning and need not be supplied if this is present. Multiple
563 # "error" directives append to the expected linker error message.
566 # Means the same as 'error', except the regular expression lines
567 # are contains in FILE.
570 # Expect a linker warning matching REGEX. It is an error to issue
571 # both "error" and "warning". Multiple "warning" directives
572 # append to the expected linker warning message.
574 # warning_output: FILE
575 # Means the same as 'warning', except the regular expression
576 # lines are contains in FILE.
579 # Adding this option will cause the linker to generate a linker
580 # map file, using the -Map=MAPFILE command line option. If
581 # there is no -Map=MAPFILE in the 'ld: FLAGS' then one will be
582 # added to the linker command line. The contents of the
583 # generated MAPFILE are then compared against the regexp lines
584 # in FILE using `regexp_diff' (see below for details).
586 # Each option may occur at most once unless otherwise mentioned.
588 # After the option lines come regexp lines. `run_dump_test' calls
589 # `regexp_diff' to compare the output of the dumping tool against the
590 # regexps in FILE.d. `regexp_diff' is defined in binutils-common.exp;
591 # see further comments there.
593 proc run_dump_test { name {extra_options {}} } {
595 global OBJDUMP NM AS OBJCOPY READELF LD
596 global OBJDUMPFLAGS NMFLAGS ASFLAGS OBJCOPYFLAGS READELFFLAGS LDFLAGS
597 global host_triplet runtests
599 global ld_elf_shared_opt
601 if { [is_elf_format] && [check_shared_lib_support] } {
602 set ld_extra_opt "$ld_elf_shared_opt"
607 if [string match "*/*" $name] {
609 set name [file tail $name]
611 set file "$srcdir/$subdir/$name"
614 if ![runtest_file_p $runtests $name] then {
618 set opt_array [slurp_options "${file}.d"]
619 if { $opt_array == -1 } {
620 perror "error reading options from $file.d"
621 unresolved $subdir/$name
624 set dumpfile tmpdir/dump.out
630 set opts(ld_after_inputfiles) {}
633 set opts(alltargets) {}
634 set opts(notarget) {}
645 set opts(error_output) {}
646 set opts(warning_output) {}
647 set opts(objcopy_linked_file) {}
648 set opts(objcopy_objects) {}
651 foreach i $opt_array {
652 set opt_name [lindex $i 0]
653 set opt_val [lindex $i 1]
654 if ![info exists opts($opt_name)] {
655 perror "unknown option $opt_name in file $file.d"
656 unresolved $subdir/$name
660 switch -- $opt_name {
668 # Move any source-specific as-flags to a separate list to
669 # simplify processing.
670 if { [llength $opt_val] > 1 } {
671 lappend asflags [lrange $opt_val 1 end]
672 set opt_val [lindex $opt_val 0]
677 # Create the object file name based on nothing but the source
680 [concat tmpdir/[file rootname [file tail [lindex $opt_val 0]]].o]
681 # But, sometimes, we have the exact same source filename in
682 # different directories (foo/src.s bar/src.s) which would lead
683 # us to try and create two src.o files. We detect this
684 # conflict here, and instead create src.o and src1.o.
686 while { [lsearch $objfile_names $new_objfile] != -1 } {
689 [concat tmpdir/[file rootname [file tail [lindex $opt_val 0]]]${j}.o]
691 lappend objfile_names $new_objfile
694 if [string length $opts($opt_name)] {
695 perror "option $opt_name multiply set in $file.d"
696 unresolved $subdir/$name
700 # A single "# ld:" with no options should do the right thing.
701 if { $opt_name == "ld" } {
704 # Likewise objcopy_linked_file.
705 if { $opt_name == "objcopy_linked_file" } {
710 if { $opt_name == "as" || $opt_name == "ld" } {
711 set opt_val [subst $opt_val]
714 # Append differently whether it's a message (without space) or
715 # an option or list (with space).
716 switch -- $opt_name {
719 append opts($opt_name) $opt_val
722 set opts($opt_name) [concat $opts($opt_name) $opt_val]
727 foreach i $extra_options {
728 set opt_name [lindex $i 0]
729 set opt_val [lindex $i 1]
730 if ![info exists opts($opt_name)] {
731 perror "unknown option $opt_name given in extra_opts"
732 unresolved $subdir/$name
735 # Add extra option to end of existing option, adding space
737 if { ![regexp "warning|error" $opt_name]
738 && [string length $opts($opt_name)] } {
739 append opts($opt_name) " "
741 append opts($opt_name) $opt_val
744 foreach opt { as ld } {
745 regsub {\[big_or_little_endian\]} $opts($opt) \
746 [big_or_little_endian] opts($opt)
749 # Decide early whether we should run the test for this target.
750 if { [llength $opts(target)] > 0 } {
752 foreach targ $opts(target) {
753 if [match_target $targ] {
758 if { $targmatch == 0 } {
762 foreach targ $opts(alltargets) {
763 if ![match_target $targ] {
767 foreach targ $opts(notarget) {
768 if [match_target $targ] {
774 # It's meaningless to require an output-testing method when we
776 if { $opts(error) == "" && $opts(error_output) == "" } {
777 if {$opts(PROG) != ""} {
778 switch -- $opts(PROG) {
779 objdump { set program objdump }
780 nm { set program nm }
781 objcopy { set program objcopy }
782 readelf { set program readelf }
784 { perror "unrecognized program option $opts(PROG) in $file.d"
785 unresolved $subdir/$name
789 # Guess which program to run, by seeing which option was specified.
790 foreach p {objdump objcopy nm readelf} {
791 if {$opts($p) != ""} {
792 if {$program != ""} {
793 perror "ambiguous dump program in $file.d"
794 unresolved $subdir/$name
802 if { $program == "" \
803 && $opts(map) == "" \
804 && $opts(warning) == "" \
805 && $opts(warning_output) == "" \
806 && $opts(error) == "" \
807 && $opts(error_output) == "" } {
808 perror "dump program unspecified in $file.d"
809 unresolved $subdir/$name
814 if { $opts(name) == "" } {
815 set testname "$subdir/$name"
817 set testname $opts(name)
820 if { $opts(source) == "" } {
821 set sourcefiles [list ${file}.s]
822 set asflags [list ""]
823 set objfile_names [list tmpdir/[file tail ${file}].o]
826 foreach sf $opts(source) {
827 if { [string match "/*" $sf] } {
828 lappend sourcefiles "$sf"
830 lappend sourcefiles "$srcdir/$subdir/$sf"
835 if { $opts(dump) == "" } {
838 set dfile $srcdir/$subdir/$opts(dump)
841 # Time to setup xfailures.
842 foreach targ $opts(xfail) {
846 # Assemble each file.
848 for { set i 0 } { $i < [llength $sourcefiles] } { incr i } {
849 set sourcefile [lindex $sourcefiles $i]
850 set sourceasflags [lindex $asflags $i]
851 set run_objcopy_objects 0
853 if { [string match "*RUN_OBJCOPY*" $sourceasflags] } {
854 set run_objcopy_objects 1
856 regsub "RUN_OBJCOPY" $sourceasflags "" sourceasflags
858 set objfile [lindex $objfile_names $i]
859 catch "exec rm -f $objfile" exec_output
860 lappend objfiles $objfile
861 set cmd "$AS $ASFLAGS $opts(as) $sourceasflags -o $objfile $sourcefile"
864 set cmdret [remote_exec host [concat sh -c [list "$cmd 2>&1"]] "" "/dev/null" "ld.tmp"]
865 remote_upload host "ld.tmp"
866 set comp_output [prune_warnings [file_contents "ld.tmp"]]
867 remote_file host delete "ld.tmp"
868 remote_file build delete "ld.tmp"
870 if { [lindex $cmdret 0] != 0 || ![string match "" $comp_output] } then {
871 send_log -- "$comp_output\n"
872 verbose "$comp_output" 3
874 set exitstat "succeeded"
875 if { $cmdret != 0 } { set exitstat "failed" }
876 verbose -log "$exitstat with: <$comp_output>"
881 if { $run_objcopy_objects } {
882 set cmd "$OBJCOPY $opts(objcopy_objects) $objfile"
885 set cmdret [remote_exec host [concat sh -c [list "$cmd 2>&1"]] \
886 "" "/dev/null" "objcopy.tmp"]
887 remote_upload host "objcopy.tmp"
888 set comp_output [prune_warnings [file_contents "objcopy.tmp"]]
889 remote_file host delete "objcopy.tmp"
890 remote_file build delete "objcopy.tmp"
892 if { [lindex $cmdret 0] != 0 \
893 || ![string match "" $comp_output] } {
894 send_log -- "$comp_output\n"
895 verbose "$comp_output" 3
897 set exitstat "succeeded"
898 if { $cmdret != 0 } { set exitstat "failed" }
899 verbose -log "$exitstat with: <$comp_output>"
906 if { (($opts(warning) != "") && ($opts(error) != "")) \
907 || (($opts(warning) != "") && ($opts(error_output) != "")) \
908 || (($opts(warning) != "") && ($opts(warning_output) != "")) \
909 || (($opts(error) != "") && ($opts(warning_output) != "")) \
910 || (($opts(error) != "") && ($opts(error_output) != "")) \
911 || (($opts(warning_output) != "") && ($opts(error_output) != "")) } {
912 perror "$testname: bad mix of warning, error, warning_output, and error_output test-directives"
917 set check_ld(source) ""
918 set check_ld(terminal) 0
919 if { $opts(error) != "" \
920 || $opts(warning) != "" \
921 || $opts(error_output) != "" \
922 || $opts(warning_output) != "" } {
924 if { $opts(error) != "" || $opts(error_output) != "" } {
925 set check_ld(terminal) 1
927 set check_ld(terminal) 0
930 if { $opts(error) != "" || $opts(warning) != "" } {
931 set check_ld(source) "regex"
932 if { $opts(error) != "" } {
933 set check_ld(regex) $opts(error)
935 set check_ld(regex) $opts(warning)
938 set check_ld(source) "file"
939 if { $opts(error_output) != "" } {
940 set check_ld(file) $opts(error_output)
942 set check_ld(file) $opts(warning_output)
947 # Perhaps link the file(s).
949 set objfile "tmpdir/dump"
950 catch "exec rm -f $objfile" exec_output
952 # Add -L$srcdir/$subdir so that the linker command can use
953 # linker scripts in the source directory.
954 set cmd "$LD $ld_extra_opt $LDFLAGS -L$srcdir/$subdir \
955 $opts(ld) -o $objfile $objfiles $opts(ld_after_inputfiles)"
957 # If needed then check for, or add a -Map option.
959 if { $opts(map) != "" } then {
960 if { [regexp -- "-Map=(\[^ \]+)" $cmd all mapfile] } then {
961 # Found existing mapfile option
962 verbose -log "Existing mapfile '$mapfile' found"
965 set mapfile "tmpdir/dump.map"
966 verbose -log "Adding mapfile '$mapfile'"
967 set cmd "$cmd -Map=$mapfile"
972 set cmdret [remote_exec host [concat sh -c [list "$cmd 2>&1"]] "" "/dev/null" "ld.tmp"]
973 remote_upload host "ld.tmp"
974 set comp_output [file_contents "ld.tmp"]
975 remote_file host delete "ld.tmp"
976 remote_file build delete "ld.tmp"
977 set cmdret [lindex $cmdret 0]
979 if { $cmdret == 0 && $run_objcopy } {
981 set objfile "tmpdir/dump1"
982 remote_file host delete $objfile
984 # Note that we don't use OBJCOPYFLAGS here; any flags must be
985 # explicitly specified.
986 set cmd "$OBJCOPY $opts(objcopy_linked_file) $infile $objfile"
989 set cmdret [remote_exec host [concat sh -c [list "$cmd 2>&1"]] "" "/dev/null" "ld.tmp"]
990 remote_upload host "ld.tmp"
991 append comp_output [file_contents "ld.tmp"]
992 remote_file host delete "ld.tmp"
993 remote_file build delete "ld.tmp"
994 set cmdret [lindex $cmdret 0]
997 regsub "\n$" $comp_output "" comp_output
998 if { $cmdret != 0 || $comp_output != "" || $check_ld(source) != "" } then {
999 set exitstat "succeeded"
1000 if { $cmdret != 0 } { set exitstat "failed" }
1002 if { $check_ld(source) == "regex" } {
1003 verbose -log "$exitstat with: <$comp_output>, expected: <$check_ld(regex)>"
1004 } elseif { $check_ld(source) == "file" } {
1005 verbose -log "$exitstat with: <$comp_output>, expected in file $check_ld(file)"
1006 set_file_contents "tmpdir/ld.messages" "$comp_output"
1008 verbose -log "$exitstat with: <$comp_output>, no expected output"
1010 send_log -- "$comp_output\n"
1011 verbose "$comp_output" 3
1013 if { (($check_ld(source) == "") == ($comp_output == "")) \
1014 && (($cmdret == 0) == ($check_ld(terminal) == 0)) \
1015 && ((($check_ld(source) == "regex") \
1016 && ($check_ld(regex) == "") == ($comp_output == "") \
1017 && [regexp -- $check_ld(regex) $comp_output]) \
1018 || (($check_ld(source) == "file") \
1019 && (![regexp_diff "tmpdir/ld.messages" "$srcdir/$subdir/$check_ld(file)"]))) } {
1020 # We have the expected output from ld.
1021 if { $check_ld(terminal) || $program == "" } {
1031 if { $opts(map) != "" } then {
1032 # Check the map file matches.
1033 set map_pattern_file $srcdir/$subdir/$opts(map)
1034 verbose -log "Compare '$mapfile' against '$map_pattern_file'"
1035 if { [regexp_diff $mapfile $map_pattern_file] } then {
1036 fail "$testname (map file check)"
1038 pass "$testname (map file check)"
1041 if { $program == "" } then {
1046 set objfile [lindex $objfiles 0]
1049 # We must not have expected failure if we get here.
1050 if { $opts(error) != "" } {
1055 set progopts1 $opts($program)
1056 eval set progopts \$[string toupper $program]FLAGS
1057 eval set binary \$[string toupper $program]
1059 if { ![is_remote host] && [which $binary] == 0 } {
1064 if { $progopts1 == "" } { set $progopts1 "-r" }
1065 verbose "running $binary $progopts $progopts1" 3
1067 # Objcopy, unlike the other two, won't send its output to stdout,
1068 # so we have to run it specially.
1069 set cmd "$binary $progopts $progopts1 $objfile > $dumpfile"
1070 if { $program == "objcopy" } {
1071 set cmd "$binary $progopts $progopts1 $objfile $dumpfile"
1074 # Ensure consistent sorting of symbols
1075 if {[info exists env(LC_ALL)]} {
1076 set old_lc_all $env(LC_ALL)
1080 set cmdret [remote_exec host [concat sh -c [list "$cmd 2>ld.tmp"]] "" "/dev/null"]
1081 set cmdret [lindex $cmdret 0]
1082 remote_upload host "ld.tmp"
1083 set comp_output [prune_warnings [file_contents "ld.tmp"]]
1084 remote_file host delete "ld.tmp"
1085 remote_file build delete "ld.tmp"
1086 if {[info exists old_lc_all]} {
1087 set env(LC_ALL) $old_lc_all
1091 if { $cmdret != 0 || $comp_output != "" } {
1092 send_log "exited abnormally with $cmdret, output:$comp_output\n"
1097 if { $verbose > 2 } then { verbose "output is [file_contents $dumpfile]" 3 }
1098 if { [regexp_diff $dumpfile "${dfile}"] } then {
1100 if { $verbose == 2 } then { verbose "output is [file_contents $dumpfile]" 2 }
1107 proc slurp_options { file } {
1108 # If options_regsub(foo) is set to {a b}, then the contents of a
1109 # "#foo:" line will have regsub -all applied to replace a with b.
1110 global options_regsub
1112 if [catch { set f [open $file r] } x] {
1113 #perror "couldn't open `$file': $x"
1118 # whitespace expression
1121 # whitespace is ignored anywhere except within the options list;
1122 # option names are alphabetic plus underscore only.
1123 set pat "^#${ws}(\[a-zA-Z_\]*)$ws:${ws}(.*)$ws\$"
1124 while { [gets $f line] != -1 } {
1125 set line [string trim $line]
1126 # Whitespace here is space-tab.
1127 if [regexp $pat $line xxx opt_name opt_val] {
1129 if [info exists options_regsub($opt_name)] {
1130 set subst $options_regsub($opt_name)
1131 regsub -all -- [lindex $subst 0] $opt_val [lindex $subst 1] \
1134 lappend opt_array [list $opt_name $opt_val]
1143 proc file_contents { filename } {
1144 set file [open $filename r]
1145 set contents [read $file]
1150 proc set_file_contents { filename contents } {
1151 set file [open $filename w]
1152 puts $file "$contents"
1156 # Create an archive using ar
1158 proc ar_simple_create { ar aropts target objects } {
1159 remote_file host delete $target
1161 set exec_output [run_host_cmd "$ar" "-rc $aropts $target $objects"]
1162 set exec_output [prune_warnings $exec_output]
1164 if [string match "" $exec_output] then {
1165 send_log "$exec_output\n"
1172 # List contains test-items with 3 items followed by 2 lists, one item and
1173 # one optional item:
1175 # 1:ld/ar leading options, placed before object files
1176 # 2:ld/ar trailing options, placed after object files
1177 # 3:assembler options
1178 # 4:filenames of assembler files
1179 # 5:list of actions, options and expected outputs.
1180 # 6:name of output file
1181 # 7:compiler flags (optional)
1183 # Actions: { command command-line-options file-containg-expected-output-regexps }
1185 # objdump: Apply objdump options on result.
1186 # nm: Apply nm options on result.
1187 # readelf: Apply readelf options on result.
1188 # ld: Don't apply anything on result. Compare output during linking with
1189 # the file containing regexps (which is the second arg, not the third).
1190 # Note that this *must* be the first action if it is to be used at all;
1191 # in all other cases, any output from the linker during linking is
1192 # treated as a sign of an error and FAILs the test.
1194 # args is an optional list of target triplets to be xfailed.
1196 proc run_ld_link_tests { ldtests args } {
1210 global ld_elf_shared_opt
1212 if { [is_elf_format] && [check_shared_lib_support] } {
1213 set ld_extra_opt "$ld_elf_shared_opt"
1218 foreach testitem $ldtests {
1219 set testname [lindex $testitem 0]
1221 if ![runtest_file_p $runtests $testname] then {
1225 foreach target $args {
1229 set ld_options [lindex $testitem 1]
1230 set ld_after [lindex $testitem 2]
1231 set as_options [lindex $testitem 3]
1232 set src_files [lindex $testitem 4]
1233 set actions [lindex $testitem 5]
1234 set binfile tmpdir/[lindex $testitem 6]
1235 set cflags [lindex $testitem 7]
1242 # verbose -log "Testname is $testname"
1243 # verbose -log "ld_options is $ld_options"
1244 # verbose -log "ld_after is $ld_after"
1245 # verbose -log "as_options is $as_options"
1246 # verbose -log "src_files is $src_files"
1247 # verbose -log "actions is $actions"
1248 # verbose -log "binfile is $binfile"
1250 # Assemble each file in the test.
1251 foreach src_file $src_files {
1252 set fileroot "[file rootname [file tail $src_file]]"
1253 set objfile "tmpdir/$fileroot.o"
1254 lappend objfiles $objfile
1256 if { [file extension $src_file] == ".c" } {
1257 set as_file "tmpdir/$fileroot.s"
1258 if ![ld_compile "$CC -S $CFLAGS $cflags" $srcdir/$subdir/$src_file $as_file] {
1263 set as_file "$srcdir/$subdir/$src_file"
1265 if ![ld_assemble $as "$as_options $as_file" $objfile] {
1271 # Catch assembler errors.
1272 if { $is_unresolved } {
1273 unresolved $testname
1277 if { $binfile eq "tmpdir/" } {
1279 } elseif { [regexp ".*\\.a$" $binfile] } {
1280 if { ![ar_simple_create $ar $ld_options $binfile "$objfiles $ld_after"] } {
1283 } elseif { ![ld_link $ld $binfile "$ld_extra_opt -L$srcdir/$subdir $ld_options $objfiles $ld_after"] } {
1285 set ld_output "$exec_output"
1289 foreach actionlist $actions {
1290 set action [lindex $actionlist 0]
1291 set progopts [lindex $actionlist 1]
1293 # There are actions where we run regexp_diff on the
1294 # output, and there are other actions (presumably).
1295 # Handling of the former look the same.
1299 { set dump_prog $objdump }
1301 { set dump_prog $nm }
1303 { set dump_prog $READELF }
1305 { set dump_prog "ld" }
1308 perror "Unrecognized action $action"
1314 if { $action == "ld" } {
1315 set regexpfile $progopts
1316 verbose "regexpfile is $srcdir/$subdir/$regexpfile"
1317 set_file_contents "tmpdir/ld.messages" "$ld_output"
1318 verbose "ld.messages has '[file_contents tmpdir/ld.messages]'"
1319 if { [regexp_diff "tmpdir/ld.messages" "$srcdir/$subdir/$regexpfile"] } then {
1320 verbose "output is $ld_output" 2
1325 } elseif { !$maybe_failed && $dump_prog != "" } {
1326 set dumpfile [lindex $actionlist 2]
1327 set binary $dump_prog
1329 # Ensure consistent sorting of symbols
1330 if {[info exists env(LC_ALL)]} {
1331 set old_lc_all $env(LC_ALL)
1334 set cmd "$binary $progopts $binfile"
1335 set status [remote_exec host [concat sh -c [list "$cmd >dump.out 2>ld.stderr"]] "" "/dev/null"]
1337 remote_upload host "ld.stderr"
1338 set comp_output [prune_warnings [file_contents "ld.stderr"]]
1339 remote_file host delete "ld.stderr"
1340 remote_file build delete "ld.stderr"
1342 if {[info exists old_lc_all]} {
1343 set env(LC_ALL) $old_lc_all
1348 if ![string match "" $comp_output] then {
1349 send_log "$comp_output\n"
1354 remote_upload host "dump.out"
1356 if { [regexp_diff "dump.out" "$srcdir/$subdir/$dumpfile"] } then {
1357 verbose "output is [file_contents "dump.out"]" 2
1359 remote_file build delete "dump.out"
1360 remote_file host delete "dump.out"
1363 remote_file build delete "dump.out"
1364 remote_file host delete "dump.out"
1369 if { $is_unresolved } {
1370 unresolved $testname
1371 } elseif { $maybe_failed || $failed } {
1379 # This definition is taken from an unreleased version of DejaGnu. Once
1380 # that version gets released, and has been out in the world for a few
1381 # months at least, it may be safe to delete this copy.
1382 if ![string length [info proc prune_warnings]] {
1384 # prune_warnings -- delete various system verbosities from TEXT
1387 # ld.so: warning: /usr/lib/libc.so.1.8.1 has older revision than expected 9
1389 # Sites with particular verbose os's may wish to override this in site.exp.
1391 proc prune_warnings { text } {
1392 # This is from sun4's. Do it for all machines for now.
1393 # The "\\1" is to try to preserve a "\n" but only if necessary.
1394 regsub -all "(^|\n)(ld.so: warning:\[^\n\]*\n?)+" $text "\\1" text
1396 # It might be tempting to get carried away and delete blank lines, etc.
1397 # Just delete *exactly* what we're ask to, and that's it.
1402 # ldtests contains test-items with 3 items followed by 1 lists, 2 items
1403 # and 3 optional items:
1405 # 1:ld leading options, placed before object files
1406 # 2:assembler options
1407 # 3:filenames of source files
1408 # 4:name of output file
1410 # 6:compiler flags (optional)
1411 # 7:language (optional)
1412 # 8:linker warning (optional)
1413 # 9:ld trailing options, placed after object files (optional)
1414 # args is an optional list of target triplets to be xfailed.
1416 proc run_ld_link_exec_tests { ldtests args } {
1429 global STATIC_LDFLAGS
1431 # When using GCC as the linker driver, we need to specify board cflags when
1432 # linking because cflags may contain linker options. For example when
1433 # linker options are included in GCC spec files then we need the -specs
1435 if [board_info [target_info name] exists cflags] {
1436 set board_cflags " [board_info [target_info name] cflags]"
1441 foreach testitem $ldtests {
1442 foreach target $args {
1445 set testname [lindex $testitem 0]
1446 set ld_options [lindex $testitem 1]
1447 set as_options [lindex $testitem 2]
1448 set src_files [lindex $testitem 3]
1449 set binfile tmpdir/[lindex $testitem 4]
1450 set expfile [lindex $testitem 5]
1451 set cflags [lindex $testitem 6]
1452 set lang [lindex $testitem 7]
1453 set warning [lindex $testitem 8]
1454 set ld_after [lindex $testitem 9]
1458 # verbose -log "Testname is $testname"
1459 # verbose -log "ld_options is $ld_options"
1460 # verbose -log "as_options is $as_options"
1461 # verbose -log "src_files is $src_files"
1462 # verbose -log "binfile is $binfile"
1464 # Assemble each file in the test.
1465 foreach src_file $src_files {
1466 set fileroot "[file rootname [file tail $src_file]]"
1467 set objfile "tmpdir/$fileroot.o"
1468 lappend objfiles $objfile
1470 if { [ string match "c++" $lang ] } {
1471 set cmd "$CXX -c $CXXFLAGS $cflags"
1473 set cmd "$CC -c $CFLAGS $cflags"
1475 if ![ld_compile $cmd $srcdir/$subdir/$src_file $objfile] {
1480 if { $failed != 0 } {
1481 unresolved $testname
1485 if { [ string match "c++" $lang ] } {
1486 set link_proc ld_link
1489 set link_proc ld_link
1493 if { $binfile eq "tmpdir/" } {
1498 if { [string match "" $STATIC_LDFLAGS] \
1499 && [regexp -- ".* \[-\]+static .*" " $board_cflags $ld_options $objfiles $ld_after "] } {
1503 if ![$link_proc $link_cmd $binfile "$board_cflags -L$srcdir/$subdir $ld_options $objfiles $ld_after"] {
1508 # Check if exec_output is expected.
1509 if { $warning != "" } then {
1510 verbose -log "returned with: <$exec_output>, expected: <$warning>"
1511 if { [regexp $warning $exec_output] } then {
1518 if { $failed == 0 && [isnative] } {
1519 send_log "Running: $binfile > $binfile.out\n"
1520 verbose "Running: $binfile > $binfile.out"
1521 catch "exec $binfile > $binfile.out" exec_output
1523 if ![string match "" $exec_output] then {
1524 send_log "$exec_output\n"
1525 verbose "$exec_output" 1
1528 send_log "diff $binfile.out $srcdir/$subdir/$expfile\n"
1529 verbose "diff $binfile.out $srcdir/$subdir/$expfile"
1530 catch "exec diff $binfile.out $srcdir/$subdir/$expfile" exec_output
1531 set exec_output [prune_warnings $exec_output]
1533 if ![string match "" $exec_output] then {
1534 send_log "$exec_output\n"
1535 verbose "$exec_output" 1
1541 if { $failed != 0 } {
1543 } elseif ![isnative] {
1544 unsupported $testname
1552 # List contains test-items with 3 items followed by 2 lists, one item and
1553 # one optional item:
1555 # 1:ld or ar options
1557 # 3:filenames of source files
1558 # 4:action and options.
1559 # 5:name of output file
1560 # 6:language (optional)
1563 # objdump: Apply objdump options on result. Compare with regex (last arg).
1564 # nm: Apply nm options on result. Compare with regex (last arg).
1565 # readelf: Apply readelf options on result. Compare with regex (last arg).
1566 # warning: Check linker output against regex (last arg).
1567 # error: Like 'warning' but checking output in error case.
1568 # warning_output: Check linker output against regex in a file (last arg).
1569 # error_output: Like 'warning_output' but checking output in error case.
1571 proc run_cc_link_tests { ldtests } {
1585 global STATIC_LDFLAGS
1587 if [board_info [target_info name] exists cflags] {
1588 set board_cflags " [board_info [target_info name] cflags]"
1593 foreach testitem $ldtests {
1594 set testname [lindex $testitem 0]
1595 set ldflags [lindex $testitem 1]
1596 set cflags [lindex $testitem 2]
1597 set src_files [lindex $testitem 3]
1598 set actions [lindex $testitem 4]
1599 set binfile tmpdir/[lindex $testitem 5]
1600 set lang [lindex $testitem 6]
1604 set check_ld(terminal) 0
1605 set check_ld(source) ""
1607 #verbose -log "testname is $testname"
1608 #verbose -log "ldflags is $ldflags"
1609 #verbose -log "cflags is $cflags"
1610 #verbose -log "src_files is $src_files"
1611 #verbose -log "actions is $actions"
1612 #verbose -log "binfile is $binfile"
1613 #verbose -log "lang is $lang"
1615 foreach actionlist $actions {
1616 set action [lindex $actionlist 0]
1617 set progopts [lindex $actionlist 1]
1619 # Find actions related to error/warning processing.
1623 set check_ld(source) "regexp"
1624 set check_ld(regexp) $progopts
1625 set check_ld(terminal) 1
1629 set check_ld(source) "regexp"
1630 set check_ld(regexp) $progopts
1634 set check_ld(source) "file"
1635 set check_ld(file) $progopts
1636 set check_ld(terminal) 1
1640 set check_ld(source) "file"
1641 set check_ld(file) $progopts
1646 # Compile each file in the test.
1647 foreach src_file $src_files {
1648 set fileroot "[file rootname [file tail $src_file]]"
1649 set objfile "tmpdir/$fileroot.o"
1650 lappend objfiles $objfile
1652 if { [ string match "c++" $lang ] } {
1653 set cmd "$CXX -c $CXXFLAGS $cflags"
1655 set cmd "$CC -c $CFLAGS $cflags"
1657 if ![ld_compile $cmd $srcdir/$subdir/$src_file $objfile] {
1662 if { $failed != 0 } {
1663 unresolved $testname
1667 # Clear error and warning counts.
1670 if { [ string match "c++" $lang ] } {
1676 if { $binfile eq "tmpdir/" } {
1678 } elseif { [regexp ".*\\.a$" $binfile] } {
1679 if { ![ar_simple_create $ar $ldflags $binfile "$objfiles"] } {
1683 if { [string match "" $STATIC_LDFLAGS] \
1684 && [regexp -- ".* \[-\]+static .*" " $board_cflags $ldflags $objfiles "] } {
1688 ld_link $cc_cmd $binfile "$board_cflags -L$srcdir/$subdir $ldflags $objfiles"
1689 set ld_output "$exec_output"
1691 if { $check_ld(source) == "regexp" } then {
1692 # Match output against regexp argument.
1693 verbose -log "returned with: <$ld_output>, expected: <$check_ld(regexp)>"
1694 if { ![regexp $check_ld(regexp) $ld_output] } then {
1697 } elseif { $check_ld(source) == "file" } then {
1698 # Match output against patterns in a file.
1699 set_file_contents "tmpdir/ld.messages" "$ld_output"
1700 verbose "ld.messages has '[file_contents tmpdir/ld.messages]'"
1701 if { [regexp_diff "tmpdir/ld.messages" "$srcdir/$subdir/$check_ld(file)"] } then {
1702 verbose "output is $ld_output" 2
1707 if { $check_ld(source) != "" } then {
1708 if { $ld_output == "" } then {
1709 verbose -log "Linker was expected to give error or warning"
1713 if { $ld_output != "" } then {
1714 verbose -log "Unexpected linker warning or error"
1720 if { $failed == 0 } {
1721 foreach actionlist $actions {
1722 set action [lindex $actionlist 0]
1723 set progopts [lindex $actionlist 1]
1725 # There are actions where we run regexp_diff on the
1726 # output, and there are other actions (presumably).
1727 # Handling of the former look the same.
1731 { set dump_prog $objdump }
1733 { set dump_prog $nm }
1735 { set dump_prog $READELF }
1742 perror "Unrecognized action $action"
1748 if { $dump_prog != "" } {
1749 set dumpfile [lindex $actionlist 2]
1750 set binary $dump_prog
1752 # Ensure consistent sorting of symbols
1753 if {[info exists env(LC_ALL)]} {
1754 set old_lc_all $env(LC_ALL)
1757 set cmd "$binary $progopts $binfile > dump.out"
1759 catch "exec $cmd" comp_output
1760 if {[info exists old_lc_all]} {
1761 set env(LC_ALL) $old_lc_all
1765 set comp_output [prune_warnings $comp_output]
1767 if ![string match "" $comp_output] then {
1768 send_log "$comp_output\n"
1773 if { [regexp_diff "dump.out" "$srcdir/$subdir/$dumpfile"] } then {
1774 verbose "output is [file_contents "dump.out"]" 2
1784 } elseif { $is_unresolved } {
1785 unresolved $testname
1792 # Returns true if --gc-sections is supported on the target.
1794 proc check_gc_sections_available { } {
1795 global gc_sections_available_saved
1798 if {![info exists gc_sections_available_saved]} {
1799 # Some targets don't support gc-sections despite whatever's
1800 # advertised by ld's options.
1801 if { [istarget d30v-*-*]
1802 || [istarget dlx-*-*]
1803 || [istarget pj*-*-*]
1804 || [istarget pru*-*-*]
1805 || [istarget alpha-*-*]
1806 || [istarget hppa*64-*-*]
1807 || [istarget ia64-*-*]
1808 || [istarget mep-*-*]
1809 || [istarget mn10200-*-*] } {
1810 set gc_sections_available_saved 0
1814 # elf2flt uses -q (--emit-relocs), which is incompatible with
1816 if { [board_info target exists ldflags]
1817 && [regexp " -elf2flt\[ =\]" " [board_info target ldflags] "] } {
1818 set gc_sections_available_saved 0
1822 # Check if the ld used by gcc supports --gc-sections.
1823 # FIXME: this test is useless since ld --help always says
1824 # --gc-sections is available
1825 set ld_output [remote_exec host $ld "--help"]
1826 if { [ string first "--gc-sections" $ld_output ] >= 0 } {
1827 set gc_sections_available_saved 1
1829 set gc_sections_available_saved 0
1832 return $gc_sections_available_saved
1835 # Returns true if -shared is supported on the target
1837 proc check_shared_lib_support { } {
1838 global shared_available_saved
1841 if {![info exists shared_available_saved]} {
1842 set ld_output [remote_exec host $ld "-shared"]
1843 if { [ string first "not supported" $ld_output ] >= 0 } {
1844 set shared_available_saved 0
1846 set shared_available_saved 1
1849 return $shared_available_saved
1852 # Return true if target uses genelf.em (assuming it is ELF).
1853 proc is_generic_elf { } {
1854 if { [istarget "d30v-*-*"]
1855 || [istarget "dlx-*-*"]
1856 || [istarget "fr30-*-*"]
1857 || ([istarget "frv-*-*"] && ![istarget "frv-*-linux*"])
1858 || [istarget "ft32-*-*"]
1859 || [istarget "iq2000-*-*"]
1860 || [istarget "mn10200-*-*"]
1861 || [istarget "moxie-*-*"]
1862 || [istarget "msp430-*-*"]
1863 || [istarget "mt-*-*"]
1864 || [istarget "pj*-*-*"] } {
1870 proc is_underscore_target { } {
1871 global is_underscore_target_saved
1872 global target_triplet
1875 if { ![info exists is_underscore_target_saved] } {
1876 set cmd "targ=$target_triplet . $srcdir/../../bfd/config.bfd &&"
1877 append cmd { echo "$targ_underscore"}
1879 set status [catch {exec sh -c $cmd} result]
1880 if { $status == 0 && [string match "yes" $result] } {
1881 set is_underscore_target_saved 1
1883 set is_underscore_target_saved 0
1886 return $is_underscore_target_saved
1889 # Returns true if the target ld supports the plugin API.
1890 proc check_plugin_api_available { } {
1891 global plugin_api_available_saved
1893 if {![info exists plugin_api_available_saved]} {
1894 # Check if the ld used by gcc supports --plugin.
1895 set ld_output [remote_exec host $ld "--help"]
1896 if { [ string first "-plugin PLUGIN" $ld_output ] >= 0 } {
1897 set plugin_api_available_saved 1
1899 set plugin_api_available_saved 0
1902 return $plugin_api_available_saved
1905 # Sets ld_sysroot to the current sysroot (empty if not supported) and
1906 # returns true if the target ld supports sysroot.
1907 proc check_sysroot_available { } {
1908 global ld_sysroot_available_saved ld ld_sysroot
1909 if {![info exists ld_sysroot_available_saved]} {
1910 # Check if ld supports --sysroot *other* than empty.
1911 set ld_sysroot [string trimright [lindex [remote_exec host $ld "--print-sysroot"] 1]]
1912 if { $ld_sysroot == "" } {
1913 set ld_sysroot_available_saved 0
1915 set ld_sysroot_available_saved 1
1918 return $ld_sysroot_available_saved
1921 # Returns 1 if plugin is enabled in gcc. Returns 0 otherwise.
1922 proc check_gcc_plugin_enabled { } {
1925 if {![info exists CC]} {
1931 set state [remote_exec host $CC -v]
1932 if { [lindex $state 0] != 0 } {
1935 for { set i 1 } { $i < [llength $state] } { incr i } {
1936 set v [lindex $state $i]
1937 if { [ string match "*--disable-plugin*" $v ] } {
1938 verbose "plugin is disabled by $v"
1946 # Returns true if the target compiler supports LTO
1947 proc check_lto_available { } {
1948 global lto_available_saved
1951 if {![info exists lto_available_saved]} {
1952 if { ![check_gcc_plugin_enabled] } {
1953 set lto_available_saved 0
1956 # This test will hide LTO bugs in ld. Since GCC 4.9 adds
1957 # -ffat-lto-objects, we always run LTO tests on Linux with
1959 if { [istarget "*-*-linux*"] && [at_least_gcc_version 4 9] } {
1960 set lto_available_saved 1
1963 # Check if gcc supports -flto -fuse-linker-plugin
1965 if [board_info [target_info name] exists cflags] {
1966 append flags " [board_info [target_info name] cflags]"
1968 if [board_info [target_info name] exists ldflags] {
1969 append flags " [board_info [target_info name] ldflags]"
1972 set basename "tmpdir/lto[pid]"
1973 set src ${basename}.c
1974 set output ${basename}.out
1975 set f [open $src "w"]
1976 puts $f "int main() { return 0; }"
1978 if [is_remote host] {
1979 set src [remote_download host $src]
1981 set lto_available_saved [run_host_cmd_yesno "$CC" "$flags -flto -fuse-linker-plugin $src -o $output"]
1982 remote_file host delete $src
1983 remote_file host delete $output
1986 return $lto_available_saved
1989 # Returns true if the target compiler supports LTO -ffat-lto-objects
1990 proc check_lto_fat_available { } {
1991 global lto_fat_available_saved
1994 if {![info exists lto_fat_available_saved]} {
1995 if { ![check_gcc_plugin_enabled] } {
1996 set lto_fat_available_saved 0
1999 # This test will hide LTO bugs in ld. Since GCC 4.9 adds
2000 # -ffat-lto-objects, we always run LTO tests on Linux with
2002 if { [istarget "*-*-linux*"] && [at_least_gcc_version 4 9] } {
2003 set lto_fat_available_saved 1
2006 # Check if gcc supports -flto -fuse-linker-plugin
2008 if [board_info [target_info name] exists cflags] {
2009 append flags " [board_info [target_info name] cflags]"
2011 if [board_info [target_info name] exists ldflags] {
2012 append flags " [board_info [target_info name] ldflags]"
2015 set basename "tmpdir/lto[pid]"
2016 set src ${basename}.c
2017 set output ${basename}.out
2018 set f [open $src "w"]
2019 puts $f "int main() { return 0; }"
2021 if [is_remote host] {
2022 set src [remote_download host $src]
2024 set lto_fat_available_saved [run_host_cmd_yesno "$CC" "$flags -flto -ffat-lto-objects -fuse-linker-plugin $src -o $output"]
2025 remote_file host delete $src
2026 remote_file host delete $output
2029 return $lto_fat_available_saved
2032 # Returns true if the target compiler supports LTO and -shared
2033 proc check_lto_shared_available { } {
2034 global lto_shared_available_saved
2037 if {![info exists lto_shared_available_saved]} {
2038 if { ![check_gcc_plugin_enabled] } {
2039 set lto_shared_available_saved 0
2042 # This test will hide LTO bugs in ld. Since GCC 4.9 adds
2043 # -ffat-lto-objects, we always run LTO tests on Linux with
2045 if { [istarget "*-*-linux*"] && [at_least_gcc_version 4 9] } {
2046 set lto_shared_available_saved 1
2049 # Check if gcc supports -flto -fuse-linker-plugin -shared
2051 if [board_info [target_info name] exists cflags] {
2052 append flags " [board_info [target_info name] cflags]"
2054 if [board_info [target_info name] exists ldflags] {
2055 append flags " [board_info [target_info name] ldflags]"
2058 set basename "tmpdir/lto_shared[pid]"
2059 set src ${basename}.c
2060 set output ${basename}.so
2061 set f [open $src "w"]
2064 if [is_remote host] {
2065 set src [remote_download host $src]
2067 set lto_shared_available_saved [run_host_cmd_yesno "$CC" "$flags -shared -fPIC -flto -fuse-linker-plugin $src -o $output"]
2068 remote_file host delete $src
2069 remote_file host delete $output
2072 return $lto_shared_available_saved
2075 # Check if the assembler supports CFI statements.
2077 proc check_as_cfi { } {
2078 global check_as_cfi_result
2080 if [info exists check_as_cfi_result] {
2081 return $check_as_cfi_result
2083 set as_file "tmpdir/check_as_cfi.s"
2084 set as_fh [open $as_file w 0666]
2085 puts $as_fh "# Generated file. DO NOT EDIT"
2086 puts $as_fh "\t.cfi_startproc"
2087 puts $as_fh "\t.cfi_endproc"
2089 remote_download host $as_file
2090 verbose -log "Checking CFI support:"
2091 rename "perror" "check_as_cfi_perror"
2092 proc perror { args } { }
2093 set success [ld_assemble $as $as_file "/dev/null"]
2095 rename "check_as_cfi_perror" "perror"
2096 #remote_file host delete $as_file
2097 set check_as_cfi_result $success
2101 # Returns true if IFUNC works.
2103 proc check_ifunc_available { } {
2104 global ifunc_available_saved
2107 if {![info exists ifunc_available_saved]} {
2108 if { [which $CC] == 0 } {
2109 set ifunc_available_saved 0
2112 # Check if gcc supports -flto -fuse-linker-plugin
2114 if [board_info [target_info name] exists cflags] {
2115 append flags " [board_info [target_info name] cflags]"
2117 if [board_info [target_info name] exists ldflags] {
2118 append flags " [board_info [target_info name] ldflags]"
2121 set basename "tmpdir/ifunc[pid]"
2122 set src ${basename}.c
2123 set output ${basename}.out
2124 set f [open $src "w"]
2125 puts $f "extern int library_func2 (void);"
2126 puts $f "int main (void)"
2128 puts $f " if (library_func2 () != 2) __builtin_abort ();"
2129 puts $f " return 0; "
2131 puts $f "static int library_func1 (void) {return 2; }"
2132 puts $f "void *foo (void) __asm__ (\"library_func2\");"
2133 puts $f "void *foo (void) { return library_func1; }"
2134 puts $f "__asm__(\".type library_func2, %gnu_indirect_function\");"
2136 if [is_remote host] {
2137 set src [remote_download host $src]
2139 set ifunc_available_saved [run_host_cmd_yesno "$CC" "$flags $src -o $output"]
2140 if { [isnative] && $ifunc_available_saved == 1 } {
2141 set ifunc_available_saved [run_host_cmd_yesno "$output" ""]
2143 remote_file host delete $src
2144 remote_file host delete $output
2147 return $ifunc_available_saved
2150 # Returns true if ifunc attribute works.
2152 proc check_ifunc_attribute_available { } {
2153 global ifunc_attribute_available_saved
2156 if {![info exists ifunc_attribute_available_saved]} {
2157 if { [which $CC] == 0 } {
2158 set ifunc_attribute_available_saved 0
2161 # Check if gcc supports -flto -fuse-linker-plugin
2163 if [board_info [target_info name] exists cflags] {
2164 append flags " [board_info [target_info name] cflags]"
2166 if [board_info [target_info name] exists ldflags] {
2167 append flags " [board_info [target_info name] ldflags]"
2170 set basename "tmpdir/ifunc[pid]"
2171 set src ${basename}.c
2172 set output ${basename}.out
2173 set f [open $src "w"]
2174 puts $f "extern int library_func2 (void) __attribute__ ((ifunc (\"foo\")));"
2175 puts $f "int main (void)"
2177 puts $f " if (library_func2 () != 2) __builtin_abort ();"
2178 puts $f " return 0; "
2180 puts $f "static int library_func1 (void) {return 2; }"
2181 puts $f "void *foo (void) { return library_func1; }"
2183 if [is_remote host] {
2184 set src [remote_download host $src]
2186 set ifunc_attribute_available_saved [run_host_cmd_yesno "$CC" "$flags $src -o $output"]
2187 if { [isnative] && $ifunc_attribute_available_saved == 1 } {
2188 set ifunc_attribute_available_saved [run_host_cmd_yesno "$output" ""]
2190 remote_file host delete $src
2191 remote_file host delete $output
2194 return $ifunc_attribute_available_saved
2197 # Provide virtual target "cfi" for targets supporting CFI.
2199 rename "istarget" "istarget_ld"
2200 proc istarget { target } {
2201 if {$target == "cfi"} {
2202 return [check_as_cfi]
2204 if {$target == "shared"} {
2205 return [check_shared_lib_support]
2207 return [istarget_ld $target]
2210 # Return true if libdl is supported.
2212 proc check_libdl_available { } {
2213 global libdl_available_saved
2216 if {![info exists libdl_available_saved]} {
2217 if { [which $CC] == 0 } {
2218 set libdl_available_saved 0
2222 set basename "tmpdir/dl_avail_test[pid]"
2223 set src ${basename}.c
2224 set output ${basename}.out
2225 set f [open $src "w"]
2227 puts $f "#include <dlfcn.h>"
2228 puts $f "int main (void)"
2230 puts $f " dlopen (\"dummy.so\", RTLD_NOW);"
2231 puts $f " return 0; "
2234 if [is_remote host] {
2235 set src [remote_download host $src]
2237 set libdl_available_saved [run_host_cmd_yesno "$CC" "$src -o $output -ldl"]
2238 remote_file host delete $src
2239 remote_file host delete $output
2242 return $libdl_available_saved
2245 # Returns true if GNU2 TLS works.
2247 proc check_gnu2_tls_available { } {
2248 global gnu2_tls_available_saved
2252 if {![info exists gnu2_tls_available_saved]} {
2253 if { [which $CC] == 0 || "$GNU2_CFLAGS" == "" } {
2254 set gnu2_tls_available_saved 0
2257 # Check if GNU2 TLS works.
2258 set flags "$GNU2_CFLAGS"
2259 if [board_info [target_info name] exists cflags] {
2260 append flags " [board_info [target_info name] cflags]"
2262 if [board_info [target_info name] exists ldflags] {
2263 append flags " [board_info [target_info name] ldflags]"
2266 set basename "tmpdir/gnu2_tls[pid]"
2267 set src1 ${basename}1.c
2268 set output1 ${basename}.so
2269 set f [open $src1 "w"]
2270 puts $f "extern __thread int zzz;"
2271 puts $f "int foo (void)"
2273 puts $f " return zzz;"
2276 if [is_remote host] {
2277 set src1 [remote_download host $src1]
2279 set src2 ${basename}2.c
2280 set output2 ${basename}.exe
2281 set f [open $src2 "w"]
2282 puts $f "__thread int zzz = 20;"
2283 puts $f "extern int foo (void);"
2284 puts $f "int main (void)"
2286 puts $f " if (foo () != 20) __builtin_abort ();"
2287 puts $f " return 0; "
2290 if [is_remote host] {
2291 set src2 [remote_download host $src2]
2293 set gnu2_tls_available_saved [run_host_cmd_yesno "$CC" "-fPIC -shared $flags $src1 -o $output1"]
2294 if { $gnu2_tls_available_saved == 1 } {
2295 set gnu2_tls_available_saved [run_host_cmd_yesno "$CC" "$flags $src2 $output1 -o $output2"]
2296 if { $gnu2_tls_available_saved == 1 } {
2297 set gnu2_tls_available_saved [run_host_cmd_yesno "$output2" ""]
2300 remote_file host delete $src1
2301 remote_file host delete $output1
2302 remote_file host delete $src2
2303 remote_file host delete $output2
2304 file delete $src1 $src2
2306 return $gnu2_tls_available_saved