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
545 # at least one. Otherwise the test will be marked unsupported.
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
551 # all of them. Otherwise the test will be marked unsupported.
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
557 # match any of them. Otherwise the test will be marked unsupported.
562 # These are exactly the same as "notarget", "alltargets" and
563 # "target" respectively, except that they do nothing at all if the
564 # check fails. They should only be used in groups, to construct a
565 # single test which is run on all targets but with variant options
566 # or expected output on some targets. (For example, see
567 # gas/arm/inst.d and gas/arm/wince_inst.d.)
570 # An error with message matching REGEX must be emitted for the test
571 # to pass. The PROG, readelf, objdump, nm and objcopy options have
572 # no meaning and need not be supplied if this is present. Multiple
573 # "error" directives append to the expected linker error message.
576 # Means the same as 'error', except the regular expression lines
577 # are contains in FILE.
580 # Expect a linker warning matching REGEX. It is an error to issue
581 # both "error" and "warning". Multiple "warning" directives
582 # append to the expected linker warning message.
584 # warning_output: FILE
585 # Means the same as 'warning', except the regular expression
586 # lines are contains in FILE.
589 # Adding this option will cause the linker to generate a linker
590 # map file, using the -Map=MAPFILE command line option. If
591 # there is no -Map=MAPFILE in the 'ld: FLAGS' then one will be
592 # added to the linker command line. The contents of the
593 # generated MAPFILE are then compared against the regexp lines
594 # in FILE using `regexp_diff' (see below for details).
596 # Each option may occur at most once unless otherwise mentioned.
598 # After the option lines come regexp lines. `run_dump_test' calls
599 # `regexp_diff' to compare the output of the dumping tool against the
600 # regexps in FILE.d. `regexp_diff' is defined in binutils-common.exp;
601 # see further comments there.
603 proc run_dump_test { name {extra_options {}} } {
605 global OBJDUMP NM AS OBJCOPY READELF LD
606 global OBJDUMPFLAGS NMFLAGS ASFLAGS OBJCOPYFLAGS READELFFLAGS LDFLAGS
607 global host_triplet runtests
609 global ld_elf_shared_opt
611 if { [is_elf_format] && [check_shared_lib_support] } {
612 set ld_extra_opt "$ld_elf_shared_opt"
617 if [string match "*/*" $name] {
619 set name [file tail $name]
621 set file "$srcdir/$subdir/$name"
624 if ![runtest_file_p $runtests $name] then {
628 set opt_array [slurp_options "${file}.d"]
629 if { $opt_array == -1 } {
630 perror "error reading options from $file.d"
631 unresolved $subdir/$name
634 set dumpfile tmpdir/dump.out
640 set opts(ld_after_inputfiles) {}
643 set opts(alltargets) {}
644 set opts(notarget) {}
658 set opts(error_output) {}
659 set opts(warning_output) {}
660 set opts(objcopy_linked_file) {}
661 set opts(objcopy_objects) {}
664 foreach i $opt_array {
665 set opt_name [lindex $i 0]
666 set opt_val [lindex $i 1]
667 if ![info exists opts($opt_name)] {
668 perror "unknown option $opt_name in file $file.d"
669 unresolved $subdir/$name
673 switch -- $opt_name {
684 # Move any source-specific as-flags to a separate list to
685 # simplify processing.
686 if { [llength $opt_val] > 1 } {
687 lappend asflags [lrange $opt_val 1 end]
688 set opt_val [lindex $opt_val 0]
693 # Create the object file name based on nothing but the source
696 [concat tmpdir/[file rootname [file tail [lindex $opt_val 0]]].o]
697 # But, sometimes, we have the exact same source filename in
698 # different directories (foo/src.s bar/src.s) which would lead
699 # us to try and create two src.o files. We detect this
700 # conflict here, and instead create src.o and src1.o.
702 while { [lsearch $objfile_names $new_objfile] != -1 } {
705 [concat tmpdir/[file rootname [file tail [lindex $opt_val 0]]]${j}.o]
707 lappend objfile_names $new_objfile
710 if [string length $opts($opt_name)] {
711 perror "option $opt_name multiply set in $file.d"
712 unresolved $subdir/$name
716 # A single "# ld:" with no options should do the right thing.
717 if { $opt_name == "ld" } {
720 # Likewise objcopy_linked_file.
721 if { $opt_name == "objcopy_linked_file" } {
726 if { $opt_name == "as" || $opt_name == "ld" } {
727 set opt_val [subst $opt_val]
730 # Append differently whether it's a message (without space) or
731 # an option or list (with space).
732 switch -- $opt_name {
735 append opts($opt_name) $opt_val
738 set opts($opt_name) [concat $opts($opt_name) $opt_val]
743 foreach i $extra_options {
744 set opt_name [lindex $i 0]
745 set opt_val [lindex $i 1]
746 if ![info exists opts($opt_name)] {
747 perror "unknown option $opt_name given in extra_opts"
748 unresolved $subdir/$name
751 # Add extra option to end of existing option, adding space
753 if { ![regexp "warning|error" $opt_name]
754 && [string length $opts($opt_name)] } {
755 append opts($opt_name) " "
757 append opts($opt_name) $opt_val
760 foreach opt { as ld } {
761 regsub {\[big_or_little_endian\]} $opts($opt) \
762 [big_or_little_endian] opts($opt)
765 if { $opts(name) == "" } {
766 set testname "$subdir/$name"
768 set testname $opts(name)
771 # Decide early whether we should run the test for this target.
772 if { [llength $opts(noskip)] > 0 } {
774 foreach targ $opts(noskip) {
775 if [match_target $targ] {
780 if { $targmatch == 0 } {
784 foreach targ $opts(anyskip) {
785 if ![match_target $targ] {
789 foreach targ $opts(skip) {
790 if [match_target $targ] {
794 if { [llength $opts(target)] > 0 } {
796 foreach targ $opts(target) {
797 if [match_target $targ] {
802 if { $targmatch == 0 } {
803 unsupported $testname
807 foreach targ $opts(alltargets) {
808 if ![match_target $targ] {
809 unsupported $testname
813 foreach targ $opts(notarget) {
814 if [match_target $targ] {
815 unsupported $testname
821 # It's meaningless to require an output-testing method when we
823 if { $opts(error) == "" && $opts(error_output) == "" } {
824 if {$opts(PROG) != ""} {
825 switch -- $opts(PROG) {
826 objdump { set program objdump }
827 nm { set program nm }
828 objcopy { set program objcopy }
829 readelf { set program readelf }
831 { perror "unrecognized program option $opts(PROG) in $file.d"
836 # Guess which program to run, by seeing which option was specified.
837 foreach p {objdump objcopy nm readelf} {
838 if {$opts($p) != ""} {
839 if {$program != ""} {
840 perror "ambiguous dump program in $file.d"
849 if { $program == "" \
850 && $opts(map) == "" \
851 && $opts(warning) == "" \
852 && $opts(warning_output) == "" \
853 && $opts(error) == "" \
854 && $opts(error_output) == "" } {
855 perror "dump program unspecified in $file.d"
861 if { $opts(source) == "" } {
862 set sourcefiles [list ${file}.s]
863 set asflags [list ""]
864 set objfile_names [list tmpdir/[file tail ${file}].o]
867 foreach sf $opts(source) {
868 if { [string match "/*" $sf] } {
869 lappend sourcefiles "$sf"
871 lappend sourcefiles "$srcdir/$subdir/$sf"
876 if { $opts(dump) == "" } {
879 set dfile $srcdir/$subdir/$opts(dump)
882 # Time to setup xfailures.
883 foreach targ $opts(xfail) {
887 # Assemble each file.
889 for { set i 0 } { $i < [llength $sourcefiles] } { incr i } {
890 set sourcefile [lindex $sourcefiles $i]
891 set sourceasflags [lindex $asflags $i]
892 set run_objcopy_objects 0
894 if { [string match "*RUN_OBJCOPY*" $sourceasflags] } {
895 set run_objcopy_objects 1
897 regsub "RUN_OBJCOPY" $sourceasflags "" sourceasflags
899 set objfile [lindex $objfile_names $i]
900 catch "exec rm -f $objfile" exec_output
901 lappend objfiles $objfile
902 set cmd "$AS $ASFLAGS $opts(as) $sourceasflags -o $objfile $sourcefile"
905 set cmdret [remote_exec host [concat sh -c [list "$cmd 2>&1"]] "" "/dev/null" "ld.tmp"]
906 remote_upload host "ld.tmp"
907 set comp_output [prune_warnings [file_contents "ld.tmp"]]
908 remote_file host delete "ld.tmp"
909 remote_file build delete "ld.tmp"
911 if { [lindex $cmdret 0] != 0 || ![string match "" $comp_output] } then {
912 send_log -- "$comp_output\n"
913 verbose "$comp_output" 3
915 set exitstat "succeeded"
916 if { $cmdret != 0 } { set exitstat "failed" }
917 verbose -log "$exitstat with: <$comp_output>"
922 if { $run_objcopy_objects } {
923 set cmd "$OBJCOPY $opts(objcopy_objects) $objfile"
926 set cmdret [remote_exec host [concat sh -c [list "$cmd 2>&1"]] \
927 "" "/dev/null" "objcopy.tmp"]
928 remote_upload host "objcopy.tmp"
929 set comp_output [prune_warnings [file_contents "objcopy.tmp"]]
930 remote_file host delete "objcopy.tmp"
931 remote_file build delete "objcopy.tmp"
933 if { [lindex $cmdret 0] != 0 \
934 || ![string match "" $comp_output] } {
935 send_log -- "$comp_output\n"
936 verbose "$comp_output" 3
938 set exitstat "succeeded"
939 if { $cmdret != 0 } { set exitstat "failed" }
940 verbose -log "$exitstat with: <$comp_output>"
947 if { (($opts(warning) != "") && ($opts(error) != "")) \
948 || (($opts(warning) != "") && ($opts(error_output) != "")) \
949 || (($opts(warning) != "") && ($opts(warning_output) != "")) \
950 || (($opts(error) != "") && ($opts(warning_output) != "")) \
951 || (($opts(error) != "") && ($opts(error_output) != "")) \
952 || (($opts(warning_output) != "") && ($opts(error_output) != "")) } {
953 perror "$testname: bad mix of warning, error, warning_output, and error_output test-directives"
958 set check_ld(source) ""
959 set check_ld(terminal) 0
960 if { $opts(error) != "" \
961 || $opts(warning) != "" \
962 || $opts(error_output) != "" \
963 || $opts(warning_output) != "" } {
965 if { $opts(error) != "" || $opts(error_output) != "" } {
966 set check_ld(terminal) 1
968 set check_ld(terminal) 0
971 if { $opts(error) != "" || $opts(warning) != "" } {
972 set check_ld(source) "regex"
973 if { $opts(error) != "" } {
974 set check_ld(regex) $opts(error)
976 set check_ld(regex) $opts(warning)
979 set check_ld(source) "file"
980 if { $opts(error_output) != "" } {
981 set check_ld(file) $opts(error_output)
983 set check_ld(file) $opts(warning_output)
988 # Perhaps link the file(s).
990 set objfile "tmpdir/dump"
991 catch "exec rm -f $objfile" exec_output
993 # Add -L$srcdir/$subdir so that the linker command can use
994 # linker scripts in the source directory.
995 set cmd "$LD $ld_extra_opt $LDFLAGS -L$srcdir/$subdir \
996 $opts(ld) -o $objfile $objfiles $opts(ld_after_inputfiles)"
998 # If needed then check for, or add a -Map option.
1000 if { $opts(map) != "" } then {
1001 if { [regexp -- "-Map=(\[^ \]+)" $cmd all mapfile] } then {
1002 # Found existing mapfile option
1003 verbose -log "Existing mapfile '$mapfile' found"
1005 # No mapfile option.
1006 set mapfile "tmpdir/dump.map"
1007 verbose -log "Adding mapfile '$mapfile'"
1008 set cmd "$cmd -Map=$mapfile"
1013 set cmdret [remote_exec host [concat sh -c [list "$cmd 2>&1"]] "" "/dev/null" "ld.tmp"]
1014 remote_upload host "ld.tmp"
1015 set comp_output [file_contents "ld.tmp"]
1016 remote_file host delete "ld.tmp"
1017 remote_file build delete "ld.tmp"
1018 set cmdret [lindex $cmdret 0]
1020 if { $cmdret == 0 && $run_objcopy } {
1022 set objfile "tmpdir/dump1"
1023 remote_file host delete $objfile
1025 # Note that we don't use OBJCOPYFLAGS here; any flags must be
1026 # explicitly specified.
1027 set cmd "$OBJCOPY $opts(objcopy_linked_file) $infile $objfile"
1030 set cmdret [remote_exec host [concat sh -c [list "$cmd 2>&1"]] "" "/dev/null" "ld.tmp"]
1031 remote_upload host "ld.tmp"
1032 append comp_output [file_contents "ld.tmp"]
1033 remote_file host delete "ld.tmp"
1034 remote_file build delete "ld.tmp"
1035 set cmdret [lindex $cmdret 0]
1038 regsub "\n$" $comp_output "" comp_output
1039 if { $cmdret != 0 || $comp_output != "" || $check_ld(source) != "" } then {
1040 set exitstat "succeeded"
1041 if { $cmdret != 0 } { set exitstat "failed" }
1043 if { $check_ld(source) == "regex" } {
1044 verbose -log "$exitstat with: <$comp_output>, expected: <$check_ld(regex)>"
1045 } elseif { $check_ld(source) == "file" } {
1046 verbose -log "$exitstat with: <$comp_output>, expected in file $check_ld(file)"
1047 set_file_contents "tmpdir/ld.messages" "$comp_output"
1049 verbose -log "$exitstat with: <$comp_output>, no expected output"
1051 send_log -- "$comp_output\n"
1052 verbose "$comp_output" 3
1054 if { (($check_ld(source) == "") == ($comp_output == "")) \
1055 && (($cmdret == 0) == ($check_ld(terminal) == 0)) \
1056 && ((($check_ld(source) == "regex") \
1057 && ($check_ld(regex) == "") == ($comp_output == "") \
1058 && [regexp -- $check_ld(regex) $comp_output]) \
1059 || (($check_ld(source) == "file") \
1060 && (![regexp_diff "tmpdir/ld.messages" "$srcdir/$subdir/$check_ld(file)"]))) } {
1061 # We have the expected output from ld.
1062 if { $check_ld(terminal) || $program == "" } {
1072 if { $opts(map) != "" } then {
1073 # Check the map file matches.
1074 set map_pattern_file $srcdir/$subdir/$opts(map)
1075 verbose -log "Compare '$mapfile' against '$map_pattern_file'"
1076 if { [regexp_diff $mapfile $map_pattern_file] } then {
1077 fail "$testname (map file check)"
1079 pass "$testname (map file check)"
1082 if { $program == "" } then {
1087 set objfile [lindex $objfiles 0]
1090 # We must not have expected failure if we get here.
1091 if { $opts(error) != "" } {
1096 set progopts1 $opts($program)
1097 eval set progopts \$[string toupper $program]FLAGS
1098 eval set binary \$[string toupper $program]
1100 if { ![is_remote host] && [which $binary] == 0 } {
1105 if { $progopts1 == "" } { set $progopts1 "-r" }
1106 verbose "running $binary $progopts $progopts1" 3
1108 # Objcopy, unlike the other two, won't send its output to stdout,
1109 # so we have to run it specially.
1110 set cmd "$binary $progopts $progopts1 $objfile > $dumpfile"
1111 if { $program == "objcopy" } {
1112 set cmd "$binary $progopts $progopts1 $objfile $dumpfile"
1115 # Ensure consistent sorting of symbols
1116 if {[info exists env(LC_ALL)]} {
1117 set old_lc_all $env(LC_ALL)
1121 set cmdret [remote_exec host [concat sh -c [list "$cmd 2>ld.tmp"]] "" "/dev/null"]
1122 set cmdret [lindex $cmdret 0]
1123 remote_upload host "ld.tmp"
1124 set comp_output [prune_warnings [file_contents "ld.tmp"]]
1125 remote_file host delete "ld.tmp"
1126 remote_file build delete "ld.tmp"
1127 if {[info exists old_lc_all]} {
1128 set env(LC_ALL) $old_lc_all
1132 if { $cmdret != 0 || $comp_output != "" } {
1133 send_log "exited abnormally with $cmdret, output:$comp_output\n"
1138 if { $verbose > 2 } then { verbose "output is [file_contents $dumpfile]" 3 }
1139 if { [regexp_diff $dumpfile "${dfile}"] } then {
1141 if { $verbose == 2 } then { verbose "output is [file_contents $dumpfile]" 2 }
1148 proc slurp_options { file } {
1149 # If options_regsub(foo) is set to {a b}, then the contents of a
1150 # "#foo:" line will have regsub -all applied to replace a with b.
1151 global options_regsub
1153 if [catch { set f [open $file r] } x] {
1154 #perror "couldn't open `$file': $x"
1159 # whitespace expression
1162 # whitespace is ignored anywhere except within the options list;
1163 # option names are alphabetic plus underscore only.
1164 set pat "^#${ws}(\[a-zA-Z_\]*)$ws:${ws}(.*)$ws\$"
1165 while { [gets $f line] != -1 } {
1166 set line [string trim $line]
1167 # Whitespace here is space-tab.
1168 if [regexp $pat $line xxx opt_name opt_val] {
1170 if [info exists options_regsub($opt_name)] {
1171 set subst $options_regsub($opt_name)
1172 regsub -all -- [lindex $subst 0] $opt_val [lindex $subst 1] \
1175 lappend opt_array [list $opt_name $opt_val]
1184 proc file_contents { filename } {
1185 set file [open $filename r]
1186 set contents [read $file]
1191 proc set_file_contents { filename contents } {
1192 set file [open $filename w]
1193 puts $file "$contents"
1197 # Create an archive using ar
1199 proc ar_simple_create { ar aropts target objects } {
1200 remote_file host delete $target
1202 set exec_output [run_host_cmd "$ar" "-rc $aropts $target $objects"]
1203 set exec_output [prune_warnings $exec_output]
1205 if [string match "" $exec_output] then {
1206 send_log "$exec_output\n"
1213 # List contains test-items with 3 items followed by 2 lists, one item and
1214 # one optional item:
1216 # 1:ld/ar leading options, placed before object files
1217 # 2:ld/ar trailing options, placed after object files
1218 # 3:assembler options
1219 # 4:filenames of assembler files
1220 # 5:list of actions, options and expected outputs.
1221 # 6:name of output file
1222 # 7:compiler flags (optional)
1224 # Actions: { command command-line-options file-containg-expected-output-regexps }
1226 # objdump: Apply objdump options on result.
1227 # nm: Apply nm options on result.
1228 # readelf: Apply readelf options on result.
1229 # ld: Don't apply anything on result. Compare output during linking with
1230 # the file containing regexps (which is the second arg, not the third).
1231 # Note that this *must* be the first action if it is to be used at all;
1232 # in all other cases, any output from the linker during linking is
1233 # treated as a sign of an error and FAILs the test.
1235 # args is an optional list of target triplets to be xfailed.
1237 proc run_ld_link_tests { ldtests args } {
1251 global ld_elf_shared_opt
1253 if { [is_elf_format] && [check_shared_lib_support] } {
1254 set ld_extra_opt "$ld_elf_shared_opt"
1259 foreach testitem $ldtests {
1260 set testname [lindex $testitem 0]
1262 if ![runtest_file_p $runtests $testname] then {
1266 foreach target $args {
1270 set ld_options [lindex $testitem 1]
1271 set ld_after [lindex $testitem 2]
1272 set as_options [lindex $testitem 3]
1273 set src_files [lindex $testitem 4]
1274 set actions [lindex $testitem 5]
1275 set binfile tmpdir/[lindex $testitem 6]
1276 set cflags [lindex $testitem 7]
1283 # verbose -log "Testname is $testname"
1284 # verbose -log "ld_options is $ld_options"
1285 # verbose -log "ld_after is $ld_after"
1286 # verbose -log "as_options is $as_options"
1287 # verbose -log "src_files is $src_files"
1288 # verbose -log "actions is $actions"
1289 # verbose -log "binfile is $binfile"
1291 # Assemble each file in the test.
1292 foreach src_file $src_files {
1293 set fileroot "[file rootname [file tail $src_file]]"
1294 set objfile "tmpdir/$fileroot.o"
1295 lappend objfiles $objfile
1297 if { [file extension $src_file] == ".c" } {
1298 set as_file "tmpdir/$fileroot.s"
1299 if ![ld_compile "$CC -S $CFLAGS $cflags" $srcdir/$subdir/$src_file $as_file] {
1304 set as_file "$srcdir/$subdir/$src_file"
1306 if ![ld_assemble $as "$as_options $as_file" $objfile] {
1312 # Catch assembler errors.
1313 if { $is_unresolved } {
1314 unresolved $testname
1318 if { $binfile eq "tmpdir/" } {
1320 } elseif { [regexp ".*\\.a$" $binfile] } {
1321 if { ![ar_simple_create $ar $ld_options $binfile "$objfiles $ld_after"] } {
1324 } elseif { ![ld_link $ld $binfile "$ld_extra_opt -L$srcdir/$subdir $ld_options $objfiles $ld_after"] } {
1326 set ld_output "$exec_output"
1330 foreach actionlist $actions {
1331 set action [lindex $actionlist 0]
1332 set progopts [lindex $actionlist 1]
1334 # There are actions where we run regexp_diff on the
1335 # output, and there are other actions (presumably).
1336 # Handling of the former look the same.
1340 { set dump_prog $objdump }
1342 { set dump_prog $nm }
1344 { set dump_prog $READELF }
1346 { set dump_prog "ld" }
1349 perror "Unrecognized action $action"
1355 if { $action == "ld" } {
1356 set regexpfile $progopts
1357 verbose "regexpfile is $srcdir/$subdir/$regexpfile"
1358 set_file_contents "tmpdir/ld.messages" "$ld_output"
1359 verbose "ld.messages has '[file_contents tmpdir/ld.messages]'"
1360 if { [regexp_diff "tmpdir/ld.messages" "$srcdir/$subdir/$regexpfile"] } then {
1361 verbose "output is $ld_output" 2
1366 } elseif { !$maybe_failed && $dump_prog != "" } {
1367 set dumpfile [lindex $actionlist 2]
1368 set binary $dump_prog
1370 # Ensure consistent sorting of symbols
1371 if {[info exists env(LC_ALL)]} {
1372 set old_lc_all $env(LC_ALL)
1375 set cmd "$binary $progopts $binfile"
1376 set status [remote_exec host [concat sh -c [list "$cmd >dump.out 2>ld.stderr"]] "" "/dev/null"]
1378 remote_upload host "ld.stderr"
1379 set comp_output [prune_warnings [file_contents "ld.stderr"]]
1380 remote_file host delete "ld.stderr"
1381 remote_file build delete "ld.stderr"
1383 if {[info exists old_lc_all]} {
1384 set env(LC_ALL) $old_lc_all
1389 if ![string match "" $comp_output] then {
1390 send_log "$comp_output\n"
1395 remote_upload host "dump.out"
1397 if { [regexp_diff "dump.out" "$srcdir/$subdir/$dumpfile"] } then {
1398 verbose "output is [file_contents "dump.out"]" 2
1400 remote_file build delete "dump.out"
1401 remote_file host delete "dump.out"
1404 remote_file build delete "dump.out"
1405 remote_file host delete "dump.out"
1410 if { $is_unresolved } {
1411 unresolved $testname
1412 } elseif { $maybe_failed || $failed } {
1420 # This definition is taken from an unreleased version of DejaGnu. Once
1421 # that version gets released, and has been out in the world for a few
1422 # months at least, it may be safe to delete this copy.
1423 if ![string length [info proc prune_warnings]] {
1425 # prune_warnings -- delete various system verbosities from TEXT
1428 # ld.so: warning: /usr/lib/libc.so.1.8.1 has older revision than expected 9
1430 # Sites with particular verbose os's may wish to override this in site.exp.
1432 proc prune_warnings { text } {
1433 # This is from sun4's. Do it for all machines for now.
1434 # The "\\1" is to try to preserve a "\n" but only if necessary.
1435 regsub -all "(^|\n)(ld.so: warning:\[^\n\]*\n?)+" $text "\\1" text
1437 # It might be tempting to get carried away and delete blank lines, etc.
1438 # Just delete *exactly* what we're ask to, and that's it.
1443 # ldtests contains test-items with 3 items followed by 1 lists, 2 items
1444 # and 3 optional items:
1446 # 1:ld leading options, placed before object files
1447 # 2:assembler options
1448 # 3:filenames of source files
1449 # 4:name of output file
1451 # 6:compiler flags (optional)
1452 # 7:language (optional)
1453 # 8:linker warning (optional)
1454 # 9:ld trailing options, placed after object files (optional)
1455 # args is an optional list of target triplets to be xfailed.
1457 proc run_ld_link_exec_tests { ldtests args } {
1470 global STATIC_LDFLAGS
1472 # When using GCC as the linker driver, we need to specify board cflags when
1473 # linking because cflags may contain linker options. For example when
1474 # linker options are included in GCC spec files then we need the -specs
1476 if [board_info [target_info name] exists cflags] {
1477 set board_cflags " [board_info [target_info name] cflags]"
1482 foreach testitem $ldtests {
1483 foreach target $args {
1486 set testname [lindex $testitem 0]
1487 set ld_options [lindex $testitem 1]
1488 set as_options [lindex $testitem 2]
1489 set src_files [lindex $testitem 3]
1490 set binfile tmpdir/[lindex $testitem 4]
1491 set expfile [lindex $testitem 5]
1492 set cflags [lindex $testitem 6]
1493 set lang [lindex $testitem 7]
1494 set warning [lindex $testitem 8]
1495 set ld_after [lindex $testitem 9]
1499 # verbose -log "Testname is $testname"
1500 # verbose -log "ld_options is $ld_options"
1501 # verbose -log "as_options is $as_options"
1502 # verbose -log "src_files is $src_files"
1503 # verbose -log "binfile is $binfile"
1505 # Assemble each file in the test.
1506 foreach src_file $src_files {
1507 set fileroot "[file rootname [file tail $src_file]]"
1508 set objfile "tmpdir/$fileroot.o"
1509 lappend objfiles $objfile
1511 if { [ string match "c++" $lang ] } {
1512 set cmd "$CXX -c $CXXFLAGS $cflags"
1514 set cmd "$CC -c $CFLAGS $cflags"
1516 if ![ld_compile $cmd $srcdir/$subdir/$src_file $objfile] {
1521 if { $failed != 0 } {
1522 unresolved $testname
1526 if { [ string match "asm" $lang ] } {
1527 set link_proc ld_link
1529 } elseif { [ string match "c++" $lang ] } {
1530 set link_proc ld_link
1533 set link_proc ld_link
1537 if { $binfile eq "tmpdir/" } {
1542 if { [string match "" $STATIC_LDFLAGS] \
1543 && [regexp -- ".* \[-\]+static .*" " $board_cflags $ld_options $objfiles $ld_after "] } {
1547 if ![$link_proc $link_cmd $binfile "$board_cflags -L$srcdir/$subdir $ld_options $objfiles $ld_after"] {
1552 # Check if exec_output is expected.
1553 if { $warning != "" } then {
1554 verbose -log "returned with: <$exec_output>, expected: <$warning>"
1555 if { [regexp $warning $exec_output] } then {
1562 if { $failed == 0 && [isnative] } {
1563 send_log "Running: $binfile > $binfile.out\n"
1564 verbose "Running: $binfile > $binfile.out"
1565 catch "exec $binfile > $binfile.out" exec_output
1567 if ![string match "" $exec_output] then {
1568 send_log "$exec_output\n"
1569 verbose "$exec_output" 1
1572 send_log "diff $binfile.out $srcdir/$subdir/$expfile\n"
1573 verbose "diff $binfile.out $srcdir/$subdir/$expfile"
1574 catch "exec diff $binfile.out $srcdir/$subdir/$expfile" exec_output
1575 set exec_output [prune_warnings $exec_output]
1577 if ![string match "" $exec_output] then {
1578 send_log "$exec_output\n"
1579 verbose "$exec_output" 1
1585 if { $failed != 0 } {
1587 } elseif ![isnative] {
1588 unsupported $testname
1596 # List contains test-items with 3 items followed by 2 lists, one item and
1597 # one optional item:
1599 # 1:ld or ar options
1601 # 3:filenames of source files
1602 # 4:action and options.
1603 # 5:name of output file
1604 # 6:language (optional)
1607 # objdump: Apply objdump options on result. Compare with regex (last arg).
1608 # nm: Apply nm options on result. Compare with regex (last arg).
1609 # readelf: Apply readelf options on result. Compare with regex (last arg).
1610 # warning: Check linker output against regex (last arg).
1611 # error: Like 'warning' but checking output in error case.
1612 # warning_output: Check linker output against regex in a file (last arg).
1613 # error_output: Like 'warning_output' but checking output in error case.
1615 proc run_cc_link_tests { ldtests } {
1629 global STATIC_LDFLAGS
1631 if [board_info [target_info name] exists cflags] {
1632 set board_cflags " [board_info [target_info name] cflags]"
1637 foreach testitem $ldtests {
1638 set testname [lindex $testitem 0]
1639 set ldflags [lindex $testitem 1]
1640 set cflags [lindex $testitem 2]
1641 set src_files [lindex $testitem 3]
1642 set actions [lindex $testitem 4]
1643 set binfile tmpdir/[lindex $testitem 5]
1644 set lang [lindex $testitem 6]
1648 set check_ld(terminal) 0
1649 set check_ld(source) ""
1651 #verbose -log "testname is $testname"
1652 #verbose -log "ldflags is $ldflags"
1653 #verbose -log "cflags is $cflags"
1654 #verbose -log "src_files is $src_files"
1655 #verbose -log "actions is $actions"
1656 #verbose -log "binfile is $binfile"
1657 #verbose -log "lang is $lang"
1659 foreach actionlist $actions {
1660 set action [lindex $actionlist 0]
1661 set progopts [lindex $actionlist 1]
1663 # Find actions related to error/warning processing.
1667 set check_ld(source) "regexp"
1668 set check_ld(regexp) $progopts
1669 set check_ld(terminal) 1
1673 set check_ld(source) "regexp"
1674 set check_ld(regexp) $progopts
1678 set check_ld(source) "file"
1679 set check_ld(file) $progopts
1680 set check_ld(terminal) 1
1684 set check_ld(source) "file"
1685 set check_ld(file) $progopts
1690 # Compile each file in the test.
1691 foreach src_file $src_files {
1692 set fileroot "[file rootname [file tail $src_file]]"
1693 set objfile "tmpdir/$fileroot.o"
1694 lappend objfiles $objfile
1696 if { [ string match "c++" $lang ] } {
1697 set cmd "$CXX -c $CXXFLAGS $cflags"
1699 set cmd "$CC -c $CFLAGS $cflags"
1701 if ![ld_compile $cmd $srcdir/$subdir/$src_file $objfile] {
1706 if { $failed != 0 } {
1707 unresolved $testname
1711 # Clear error and warning counts.
1714 if { [ string match "c++" $lang ] } {
1720 if { $binfile eq "tmpdir/" } {
1722 } elseif { [regexp ".*\\.a$" $binfile] } {
1723 if { ![ar_simple_create $ar $ldflags $binfile "$objfiles"] } {
1727 if { [string match "" $STATIC_LDFLAGS] \
1728 && [regexp -- ".* \[-\]+static .*" " $board_cflags $ldflags $objfiles "] } {
1732 ld_link $cc_cmd $binfile "$board_cflags -L$srcdir/$subdir $ldflags $objfiles"
1733 set ld_output "$exec_output"
1735 if { $check_ld(source) == "regexp" } then {
1736 # Match output against regexp argument.
1737 verbose -log "returned with: <$ld_output>, expected: <$check_ld(regexp)>"
1738 if { ![regexp $check_ld(regexp) $ld_output] } then {
1741 } elseif { $check_ld(source) == "file" } then {
1742 # Match output against patterns in a file.
1743 set_file_contents "tmpdir/ld.messages" "$ld_output"
1744 verbose "ld.messages has '[file_contents tmpdir/ld.messages]'"
1745 if { [regexp_diff "tmpdir/ld.messages" "$srcdir/$subdir/$check_ld(file)"] } then {
1746 verbose "output is $ld_output" 2
1751 if { $check_ld(source) != "" } then {
1752 if { $ld_output == "" } then {
1753 verbose -log "Linker was expected to give error or warning"
1757 if { $ld_output != "" } then {
1758 verbose -log "Unexpected linker warning or error"
1764 if { $failed == 0 } {
1765 foreach actionlist $actions {
1766 set action [lindex $actionlist 0]
1767 set progopts [lindex $actionlist 1]
1769 # There are actions where we run regexp_diff on the
1770 # output, and there are other actions (presumably).
1771 # Handling of the former look the same.
1775 { set dump_prog $objdump }
1777 { set dump_prog $nm }
1779 { set dump_prog $READELF }
1786 perror "Unrecognized action $action"
1792 if { $dump_prog != "" } {
1793 set dumpfile [lindex $actionlist 2]
1794 set binary $dump_prog
1796 # Ensure consistent sorting of symbols
1797 if {[info exists env(LC_ALL)]} {
1798 set old_lc_all $env(LC_ALL)
1801 set cmd "$binary $progopts $binfile > dump.out"
1803 catch "exec $cmd" comp_output
1804 if {[info exists old_lc_all]} {
1805 set env(LC_ALL) $old_lc_all
1809 set comp_output [prune_warnings $comp_output]
1811 if ![string match "" $comp_output] then {
1812 send_log "$comp_output\n"
1817 if { [regexp_diff "dump.out" "$srcdir/$subdir/$dumpfile"] } then {
1818 verbose "output is [file_contents "dump.out"]" 2
1828 } elseif { $is_unresolved } {
1829 unresolved $testname
1836 # Returns true if --gc-sections is supported on the target.
1838 proc check_gc_sections_available { } {
1839 global gc_sections_available_saved
1842 if {![info exists gc_sections_available_saved]} {
1843 # Some targets don't support gc-sections despite whatever's
1844 # advertised by ld's options.
1845 if { [istarget alpha-*-*]
1846 || [istarget d30v-*-*]
1847 || [istarget dlx-*-*]
1848 || [istarget hppa*64-*-*]
1849 || [istarget ia64-*-*]
1850 || [istarget mep-*-*]
1851 || [istarget mn10200-*-*]
1852 || [istarget pj*-*-*]
1853 || [istarget pru*-*-*]
1854 || [istarget xgate-*-*] } {
1855 set gc_sections_available_saved 0
1859 # elf2flt uses -q (--emit-relocs), which is incompatible with
1861 if { [board_info target exists ldflags]
1862 && [regexp " -elf2flt\[ =\]" " [board_info target ldflags] "] } {
1863 set gc_sections_available_saved 0
1867 # Check if the ld used by gcc supports --gc-sections.
1868 # FIXME: this test is useless since ld --help always says
1869 # --gc-sections is available
1870 set ld_output [remote_exec host $ld "--help"]
1871 if { [ string first "--gc-sections" $ld_output ] >= 0 } {
1872 set gc_sections_available_saved 1
1874 set gc_sections_available_saved 0
1877 return $gc_sections_available_saved
1880 # Returns true if -shared is supported on the target
1882 proc check_shared_lib_support { } {
1883 global shared_available_saved
1886 if {![info exists shared_available_saved]} {
1887 set ld_output [remote_exec host $ld "-shared"]
1888 if { [ string first "not supported" $ld_output ] >= 0 } {
1889 set shared_available_saved 0
1891 set shared_available_saved 1
1894 return $shared_available_saved
1897 # Return true if target uses genelf.em (assuming it is ELF).
1898 proc is_generic_elf { } {
1899 if { [istarget "d30v-*-*"]
1900 || [istarget "dlx-*-*"]
1901 || [istarget "fr30-*-*"]
1902 || ([istarget "frv-*-*"] && ![istarget "frv-*-linux*"])
1903 || [istarget "ft32-*-*"]
1904 || [istarget "iq2000-*-*"]
1905 || [istarget "mn10200-*-*"]
1906 || [istarget "moxie-*-*"]
1907 || [istarget "msp430-*-*"]
1908 || [istarget "mt-*-*"]
1909 || [istarget "pj*-*-*"]
1910 || [istarget "xgate-*-*"] } {
1916 proc is_underscore_target { } {
1917 global is_underscore_target_saved
1918 global target_triplet
1921 if { ![info exists is_underscore_target_saved] } {
1922 set cmd "targ=$target_triplet . $srcdir/../../bfd/config.bfd &&"
1923 append cmd { echo "$targ_underscore"}
1925 set status [catch {exec sh -c $cmd} result]
1926 if { $status == 0 && [string match "yes" $result] } {
1927 set is_underscore_target_saved 1
1929 set is_underscore_target_saved 0
1932 return $is_underscore_target_saved
1935 # Returns true if the target ld supports the plugin API.
1936 proc check_plugin_api_available { } {
1937 global plugin_api_available_saved
1939 if {![info exists plugin_api_available_saved]} {
1940 # Check if the ld used by gcc supports --plugin.
1941 set ld_output [remote_exec host $ld "--help"]
1942 if { [ string first "-plugin PLUGIN" $ld_output ] >= 0 } {
1943 set plugin_api_available_saved 1
1945 set plugin_api_available_saved 0
1948 return $plugin_api_available_saved
1951 # Sets ld_sysroot to the current sysroot (empty if not supported) and
1952 # returns true if the target ld supports sysroot.
1953 proc check_sysroot_available { } {
1954 global ld_sysroot_available_saved ld ld_sysroot
1955 if {![info exists ld_sysroot_available_saved]} {
1956 # Check if ld supports --sysroot *other* than empty.
1957 set ld_sysroot [string trimright [lindex [remote_exec host $ld "--print-sysroot"] 1]]
1958 if { $ld_sysroot == "" } {
1959 set ld_sysroot_available_saved 0
1961 set ld_sysroot_available_saved 1
1964 return $ld_sysroot_available_saved
1967 # Returns 1 if plugin is enabled in gcc. Returns 0 otherwise.
1968 proc check_gcc_plugin_enabled { } {
1971 if {![info exists CC]} {
1977 set state [remote_exec host $CC -v]
1978 if { [lindex $state 0] != 0 } {
1981 for { set i 1 } { $i < [llength $state] } { incr i } {
1982 set v [lindex $state $i]
1983 if { [ string match "*--disable-plugin*" $v ] } {
1984 verbose "plugin is disabled by $v"
1992 # Returns true if the target compiler supports LTO
1993 proc check_lto_available { } {
1994 global lto_available_saved
1997 if {![info exists lto_available_saved]} {
1998 if { ![check_gcc_plugin_enabled] } {
1999 set lto_available_saved 0
2002 # This test will hide LTO bugs in ld. Since GCC 4.9 adds
2003 # -ffat-lto-objects, we always run LTO tests on Linux with
2005 if { [istarget "*-*-linux*"] && [at_least_gcc_version 4 9] } {
2006 set lto_available_saved 1
2009 # Check if gcc supports -flto -fuse-linker-plugin
2011 if [board_info [target_info name] exists cflags] {
2012 append flags " [board_info [target_info name] cflags]"
2014 if [board_info [target_info name] exists ldflags] {
2015 append flags " [board_info [target_info name] ldflags]"
2018 set basename "tmpdir/lto[pid]"
2019 set src ${basename}.c
2020 set output ${basename}.out
2021 set f [open $src "w"]
2022 puts $f "int main() { return 0; }"
2024 if [is_remote host] {
2025 set src [remote_download host $src]
2027 set lto_available_saved [run_host_cmd_yesno "$CC" "$flags -flto -fuse-linker-plugin $src -o $output"]
2028 remote_file host delete $src
2029 remote_file host delete $output
2032 return $lto_available_saved
2035 # Returns true if the target compiler supports LTO -ffat-lto-objects
2036 proc check_lto_fat_available { } {
2037 global lto_fat_available_saved
2040 if {![info exists lto_fat_available_saved]} {
2041 if { ![check_gcc_plugin_enabled] } {
2042 set lto_fat_available_saved 0
2045 # This test will hide LTO bugs in ld. Since GCC 4.9 adds
2046 # -ffat-lto-objects, we always run LTO tests on Linux with
2048 if { [istarget "*-*-linux*"] && [at_least_gcc_version 4 9] } {
2049 set lto_fat_available_saved 1
2052 # Check if gcc supports -flto -fuse-linker-plugin
2054 if [board_info [target_info name] exists cflags] {
2055 append flags " [board_info [target_info name] cflags]"
2057 if [board_info [target_info name] exists ldflags] {
2058 append flags " [board_info [target_info name] ldflags]"
2061 set basename "tmpdir/lto[pid]"
2062 set src ${basename}.c
2063 set output ${basename}.out
2064 set f [open $src "w"]
2065 puts $f "int main() { return 0; }"
2067 if [is_remote host] {
2068 set src [remote_download host $src]
2070 set lto_fat_available_saved [run_host_cmd_yesno "$CC" "$flags -flto -ffat-lto-objects -fuse-linker-plugin $src -o $output"]
2071 remote_file host delete $src
2072 remote_file host delete $output
2075 return $lto_fat_available_saved
2078 # Returns true if the target compiler supports LTO and -shared
2079 proc check_lto_shared_available { } {
2080 global lto_shared_available_saved
2083 if {![info exists lto_shared_available_saved]} {
2084 if { ![check_gcc_plugin_enabled] } {
2085 set lto_shared_available_saved 0
2088 # This test will hide LTO bugs in ld. Since GCC 4.9 adds
2089 # -ffat-lto-objects, we always run LTO tests on Linux with
2091 if { [istarget "*-*-linux*"] && [at_least_gcc_version 4 9] } {
2092 set lto_shared_available_saved 1
2095 # Check if gcc supports -flto -fuse-linker-plugin -shared
2097 if [board_info [target_info name] exists cflags] {
2098 append flags " [board_info [target_info name] cflags]"
2100 if [board_info [target_info name] exists ldflags] {
2101 append flags " [board_info [target_info name] ldflags]"
2104 set basename "tmpdir/lto_shared[pid]"
2105 set src ${basename}.c
2106 set output ${basename}.so
2107 set f [open $src "w"]
2110 if [is_remote host] {
2111 set src [remote_download host $src]
2113 set lto_shared_available_saved [run_host_cmd_yesno "$CC" "$flags -shared -fPIC -flto -fuse-linker-plugin $src -o $output"]
2114 remote_file host delete $src
2115 remote_file host delete $output
2118 return $lto_shared_available_saved
2121 # Check if the assembler supports CFI statements.
2123 proc check_as_cfi { } {
2124 global check_as_cfi_result
2126 if [info exists check_as_cfi_result] {
2127 return $check_as_cfi_result
2129 set as_file "tmpdir/check_as_cfi.s"
2130 set as_fh [open $as_file w 0666]
2131 puts $as_fh "# Generated file. DO NOT EDIT"
2132 puts $as_fh "\t.cfi_startproc"
2133 puts $as_fh "\t.cfi_endproc"
2135 remote_download host $as_file
2136 verbose -log "Checking CFI support:"
2137 rename "perror" "check_as_cfi_perror"
2138 proc perror { args } { }
2139 set success [ld_assemble $as $as_file "/dev/null"]
2141 rename "check_as_cfi_perror" "perror"
2142 #remote_file host delete $as_file
2143 set check_as_cfi_result $success
2147 # Returns true if IFUNC works.
2149 proc check_ifunc_available { } {
2150 global ifunc_available_saved
2153 if {![info exists ifunc_available_saved]} {
2154 if { [which $CC] == 0 } {
2155 set ifunc_available_saved 0
2158 # Check if gcc supports -flto -fuse-linker-plugin
2160 if [board_info [target_info name] exists cflags] {
2161 append flags " [board_info [target_info name] cflags]"
2163 if [board_info [target_info name] exists ldflags] {
2164 append flags " [board_info [target_info name] ldflags]"
2167 set basename "tmpdir/ifunc[pid]"
2168 set src ${basename}.c
2169 set output ${basename}.out
2170 set f [open $src "w"]
2171 puts $f "extern int library_func2 (void);"
2172 puts $f "int main (void)"
2174 puts $f " if (library_func2 () != 2) __builtin_abort ();"
2175 puts $f " return 0; "
2177 puts $f "static int library_func1 (void) {return 2; }"
2178 puts $f "void *foo (void) __asm__ (\"library_func2\");"
2179 puts $f "void *foo (void) { return library_func1; }"
2180 puts $f "__asm__(\".type library_func2, %gnu_indirect_function\");"
2182 if [is_remote host] {
2183 set src [remote_download host $src]
2185 set ifunc_available_saved [run_host_cmd_yesno "$CC" "$flags $src -o $output"]
2186 if { [isnative] && $ifunc_available_saved == 1 } {
2187 set ifunc_available_saved [run_host_cmd_yesno "$output" ""]
2189 remote_file host delete $src
2190 remote_file host delete $output
2193 return $ifunc_available_saved
2196 # Returns true if ifunc attribute works.
2198 proc check_ifunc_attribute_available { } {
2199 global ifunc_attribute_available_saved
2202 if {![info exists ifunc_attribute_available_saved]} {
2203 if { [which $CC] == 0 } {
2204 set ifunc_attribute_available_saved 0
2207 # Check if gcc supports -flto -fuse-linker-plugin
2209 if [board_info [target_info name] exists cflags] {
2210 append flags " [board_info [target_info name] cflags]"
2212 if [board_info [target_info name] exists ldflags] {
2213 append flags " [board_info [target_info name] ldflags]"
2216 set basename "tmpdir/ifunc[pid]"
2217 set src ${basename}.c
2218 set output ${basename}.out
2219 set f [open $src "w"]
2220 puts $f "extern int library_func2 (void) __attribute__ ((ifunc (\"foo\")));"
2221 puts $f "int main (void)"
2223 puts $f " if (library_func2 () != 2) __builtin_abort ();"
2224 puts $f " return 0; "
2226 puts $f "static int library_func1 (void) {return 2; }"
2227 puts $f "void *foo (void) { return library_func1; }"
2229 if [is_remote host] {
2230 set src [remote_download host $src]
2232 set ifunc_attribute_available_saved [run_host_cmd_yesno "$CC" "$flags $src -o $output"]
2233 if { [isnative] && $ifunc_attribute_available_saved == 1 } {
2234 set ifunc_attribute_available_saved [run_host_cmd_yesno "$output" ""]
2236 remote_file host delete $src
2237 remote_file host delete $output
2240 return $ifunc_attribute_available_saved
2243 # Provide virtual target "cfi" for targets supporting CFI.
2245 rename "istarget" "istarget_ld"
2246 proc istarget { target } {
2247 if {$target == "cfi"} {
2248 return [check_as_cfi]
2250 if {$target == "shared"} {
2251 return [check_shared_lib_support]
2253 return [istarget_ld $target]
2256 # Return true if libdl is supported.
2258 proc check_libdl_available { } {
2259 global libdl_available_saved
2262 if {![info exists libdl_available_saved]} {
2263 if { [which $CC] == 0 } {
2264 set libdl_available_saved 0
2268 set basename "tmpdir/dl_avail_test[pid]"
2269 set src ${basename}.c
2270 set output ${basename}.out
2271 set f [open $src "w"]
2273 puts $f "#include <dlfcn.h>"
2274 puts $f "int main (void)"
2276 puts $f " dlopen (\"dummy.so\", RTLD_NOW);"
2277 puts $f " return 0; "
2280 if [is_remote host] {
2281 set src [remote_download host $src]
2283 set libdl_available_saved [run_host_cmd_yesno "$CC" "$src -o $output -ldl"]
2284 remote_file host delete $src
2285 remote_file host delete $output
2288 return $libdl_available_saved
2291 # Returns true if GNU2 TLS works.
2293 proc check_gnu2_tls_available { } {
2294 global gnu2_tls_available_saved
2298 if {![info exists gnu2_tls_available_saved]} {
2299 if { [which $CC] == 0 || "$GNU2_CFLAGS" == "" } {
2300 set gnu2_tls_available_saved 0
2303 # Check if GNU2 TLS works.
2304 set flags "$GNU2_CFLAGS"
2305 if [board_info [target_info name] exists cflags] {
2306 append flags " [board_info [target_info name] cflags]"
2308 if [board_info [target_info name] exists ldflags] {
2309 append flags " [board_info [target_info name] ldflags]"
2312 set basename "tmpdir/gnu2_tls[pid]"
2313 set src1 ${basename}1.c
2314 set output1 ${basename}.so
2315 set f [open $src1 "w"]
2316 puts $f "extern __thread int zzz;"
2317 puts $f "int foo (void)"
2319 puts $f " return zzz;"
2322 if [is_remote host] {
2323 set src1 [remote_download host $src1]
2325 set src2 ${basename}2.c
2326 set output2 ${basename}.exe
2327 set f [open $src2 "w"]
2328 puts $f "__thread int zzz = 20;"
2329 puts $f "extern int foo (void);"
2330 puts $f "int main (void)"
2332 puts $f " if (foo () != 20) __builtin_abort ();"
2333 puts $f " return 0; "
2336 if [is_remote host] {
2337 set src2 [remote_download host $src2]
2339 set gnu2_tls_available_saved [run_host_cmd_yesno "$CC" "-fPIC -shared $flags $src1 -o $output1"]
2340 if { $gnu2_tls_available_saved == 1 } {
2341 set gnu2_tls_available_saved [run_host_cmd_yesno "$CC" "$flags $src2 $output1 -o $output2"]
2342 if { $gnu2_tls_available_saved == 1 } {
2343 set gnu2_tls_available_saved [run_host_cmd_yesno "$output2" ""]
2346 remote_file host delete $src1
2347 remote_file host delete $output1
2348 remote_file host delete $src2
2349 remote_file host delete $output2
2350 file delete $src1 $src2
2352 return $gnu2_tls_available_saved