1 # Copyright (C) 2003, 2005, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
3 # This program is free software; you can redistribute it and/or modify
4 # it under the terms of the GNU General Public License as published by
5 # the Free Software Foundation; either version 3 of the License, or
6 # (at your option) any later version.
8 # This program is distributed in the hope that it will be useful,
9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 # GNU General Public License for more details.
13 # You should have received a copy of the GNU General Public License
14 # along with this program; see the file COPYING3. If not see
15 # <http://www.gnu.org/licenses/>.
17 proc load_gcc_lib { filename } {
19 load_file $srcdir/lib/$filename
24 load_gcc_lib target-libpath.exp
25 load_gcc_lib wrapper.exp
28 # Define libffi callbacks for dg.exp.
30 proc libffi-dg-test-1 { target_compile prog do_what extra_tool_flags } {
32 # To get all \n in dg-output test strings to match printf output
33 # in a system that outputs it as \015\012 (i.e. not just \012), we
34 # need to change all \n into \r?\n. As there is no dejagnu flag
35 # or hook to do that, we simply change the text being tested.
36 # Unfortunately, we have to know that the variable is called
37 # dg-output-text and lives in the caller of libffi-dg-test, which
38 # is two calls up. Overriding proc dg-output would be longer and
39 # would necessarily have the same assumption.
40 upvar 2 dg-output-text output_match
42 if { [llength $output_match] > 1 } {
43 regsub -all "\n" [lindex $output_match 1] "\r?\n" x
44 set output_match [lreplace $output_match 1 1 $x]
47 # Set up the compiler flags, based on what we're going to do.
52 set compile_type "assembly"
53 set output_file "[file rootname [file tail $prog]].s"
56 set compile_type "executable"
57 set output_file "[file rootname [file tail $prog]].exe"
58 # The following line is needed for targets like the i960 where
59 # the default output file is b.out. Sigh.
62 set compile_type "executable"
63 # FIXME: "./" is to cope with "." not being in $PATH.
64 # Should this be handled elsewhere?
66 set output_file "./[file rootname [file tail $prog]].exe"
67 # This is the only place where we care if an executable was
68 # created or not. If it was, dg.exp will try to run it.
69 remote_file build delete $output_file;
72 perror "$do_what: not a valid dg-do keyword"
77 if { $extra_tool_flags != "" } {
78 lappend options "additional_flags=$extra_tool_flags"
81 set comp_output [libffi_target_compile "$prog" "$output_file" "$compile_type" $options];
84 return [list $comp_output $output_file]
88 proc libffi-dg-test { prog do_what extra_tool_flags } {
89 return [libffi-dg-test-1 target_compile $prog $do_what $extra_tool_flags]
92 proc libffi-init { args } {
93 global gluefile wrap_flags;
100 global libffi_link_flags
102 global ld_library_path
104 set blddirffi [pwd]/..
105 verbose "libffi $blddirffi"
107 set gccdir [lookfor_file $tool_root_dir gcc/libgcc.a]
109 set gccdir [file dirname $gccdir]
111 verbose "gccdir $gccdir"
113 set ld_library_path "."
114 append ld_library_path ":${gccdir}"
116 set compiler "${gccdir}/xgcc"
117 if { [is_remote host] == 0 && [which $compiler] != 0 } {
118 foreach i "[exec $compiler --print-multi-lib]" {
120 regexp -- "\[a-z0-9=_/\.-\]*;" $i mldir
121 set mldir [string trimright $mldir "\;@"]
122 if { "$mldir" == "." } {
125 if { [llength [glob -nocomplain ${gccdir}/${mldir}/libgcc_s*.so.*]] >= 1 } {
126 append ld_library_path ":${gccdir}/${mldir}"
130 # add the library path for libffi.
131 append ld_library_path ":${blddirffi}/.libs"
133 verbose "ld_library_path: $ld_library_path"
135 # Point to the Libffi headers in libffi.
136 set libffi_include "${blddirffi}/include"
137 verbose "libffi_include $libffi_include"
139 set libffi_dir "${blddirffi}/.libs"
140 verbose "libffi_dir $libffi_dir"
141 if { $libffi_dir != "" } {
142 set libffi_dir [file dirname ${libffi_dir}]
143 set libffi_link_flags "-L${libffi_dir}/.libs"
146 set_ld_library_path_env_vars
147 libffi_maybe_build_wrapper "${objdir}/testglue.o"
150 proc libffi_exit { } {
153 if [info exists gluefile] {
154 file_on_build delete $gluefile;
159 proc libffi_target_compile { source dest type options } {
160 global gluefile wrap_flags;
164 global libffi_link_flags
165 global libffi_include
166 global target_triplet
169 if { [target_info needs_status_wrapper]!="" && [info exists gluefile] } {
170 lappend options "libs=${gluefile}"
171 lappend options "ldflags=$wrap_flags"
174 # TOOL_OPTIONS must come first, so that it doesn't override testcase
176 if [info exists TOOL_OPTIONS] {
177 lappend options [concat "additional_flags=$TOOL_OPTIONS" $options];
180 # search for ffi_mips.h in srcdir, too
181 lappend options "additional_flags=-I${libffi_include} -I${srcdir}/../include -I${libffi_include}/.."
182 lappend options "additional_flags=${libffi_link_flags}"
184 # Darwin needs a stack execution allowed flag.
186 if { [istarget "*-*-darwin9*"] || [istarget "*-*-darwin1*"]
187 || [istarget "*-*-darwin2*"] } {
188 lappend options "additional_flags=-Wl,-allow_stack_execute"
191 # If you're building the compiler with --prefix set to a place
192 # where it's not yet installed, then the linker won't be able to
193 # find the libgcc used by libffi.dylib. We could pass the
194 # -dylib_file option, but that's complicated, and it's much easier
195 # to just make the linker find libgcc using -L options.
196 if { [string match "*-*-darwin*" $target_triplet] } {
197 lappend options "libs= -shared-libgcc"
200 if { [string match "*-*-openbsd*" $target_triplet] } {
201 lappend options "libs= -lpthread"
204 lappend options "libs= -lffi"
206 if { [string match "aarch64*-*-linux*" $target_triplet] } {
207 lappend options "libs= -lpthread"
210 verbose "options: $options"
211 return [target_compile $source $dest $type $options]
217 # search_for -- looks for a string match in a file
219 proc search_for { file pattern } {
220 set fd [open $file r]
221 while { [gets $fd cur_line]>=0 } {
222 if [string match "*$pattern*" $cur_line] then {
231 # Modified dg-runtest that can cycle through a list of optimization options
233 proc libffi-dg-runtest { testcases default-extra-flags } {
236 foreach test $testcases {
237 # If we're only testing specific files and this isn't one of
239 if ![runtest_file_p $runtests $test] {
243 # Look for a loop within the source code - if we don't find one,
244 # don't pass -funroll[-all]-loops.
245 global torture_with_loops torture_without_loops
246 if [expr [search_for $test "for*("]+[search_for $test "while*("]] {
247 set option_list $torture_with_loops
249 set option_list $torture_without_loops
252 set nshort [file tail [file dirname $test]]/[file tail $test]
254 foreach flags $option_list {
255 verbose "Testing $nshort, $flags" 1
256 dg-test $test $flags ${default-extra-flags}
262 # Like check_conditional_xfail, but callable from a dg test.
264 proc dg-xfail-if { args } {
265 set args [lreplace $args 0 0]
266 set selector "target [join [lindex $args 1]]"
267 if { [dg-process-target $selector] == "S" } {
268 global compiler_conditional_xfail_data
269 set compiler_conditional_xfail_data $args
273 proc check-flags { args } {
275 # The args are within another list; pull them out.
276 set args [lindex $args 0]
278 # The next two arguments are optional. If they were not specified,
280 if { [llength $args] == 2 } {
281 lappend $args [list "*"]
283 if { [llength $args] == 3 } {
284 lappend $args [list ""]
287 # If the option strings are the defaults, or the same as the
288 # defaults, there is no need to call check_conditional_xfail to
289 # compare them to the actual options.
290 if { [string compare [lindex $args 2] "*"] == 0
291 && [string compare [lindex $args 3] "" ] == 0 } {
294 # The target list might be an effective-target keyword, so replace
295 # the original list with "*-*-*", since we already know it matches.
296 set result [check_conditional_xfail [lreplace $args 1 1 "*-*-*"]]
302 proc dg-skip-if { args } {
303 # Verify the number of arguments. The last two are optional.
304 set args [lreplace $args 0 0]
305 if { [llength $args] < 2 || [llength $args] > 4 } {
306 error "dg-skip-if 2: need 2, 3, or 4 arguments"
309 # Don't bother if we're already skipping the test.
310 upvar dg-do-what dg-do-what
311 if { [lindex ${dg-do-what} 1] == "N" } {
315 set selector [list target [lindex $args 1]]
316 if { [dg-process-target $selector] == "S" } {
317 if [check-flags $args] {
318 upvar dg-do-what dg-do-what
319 set dg-do-what [list [lindex ${dg-do-what} 0] "N" "P"]
324 # We need to make sure that additional_files and additional_sources
325 # are both cleared out after every test. It is not enough to clear
326 # them out *before* the next test run because gcc-target-compile gets
327 # run directly from some .exp files (outside of any test). (Those
328 # uses should eventually be eliminated.)
330 # Because the DG framework doesn't provide a hook that is run at the
331 # end of a test, we must replace dg-test with a wrapper.
333 if { [info procs saved-dg-test] == [list] } {
334 rename dg-test saved-dg-test
336 proc dg-test { args } {
337 global additional_files
338 global additional_sources
341 if { [ catch { eval saved-dg-test $args } errmsg ] } {
342 set saved_info $errorInfo
343 set additional_files ""
344 set additional_sources ""
345 error $errmsg $saved_info
347 set additional_files ""
348 set additional_sources ""