1 # Copyright (C) 2003, 2005, 2008, 2009, 2010, 2011 Free Software Foundation, Inc. 2 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. 7 # 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. 12 # 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/>. 16 17 proc load_gcc_lib { filename } { 18 global srcdir 19 load_file $srcdir/lib/$filename 20 } 21 22 load_lib dg.exp 23 load_lib libgloss.exp 24 load_gcc_lib target-libpath.exp 25 load_gcc_lib wrapper.exp 26 27 28 # Define libffi callbacks for dg.exp. 29 30 proc libffi-dg-test-1 { target_compile prog do_what extra_tool_flags } { 31 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 41 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] 45 } 46 47 # Set up the compiler flags, based on what we're going to do. 48 49 set options [list] 50 switch $do_what { 51 "compile" { 52 set compile_type "assembly" 53 set output_file "[file rootname [file tail $prog]].s" 54 } 55 "link" { 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. 60 } 61 "run" { 62 set compile_type "executable" 63 # FIXME: "./" is to cope with "." not being in $PATH. 64 # Should this be handled elsewhere? 65 # YES. 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 $output_file; 70 } 71 default { 72 perror "$do_what: not a valid dg-do keyword" 73 return "" 74 } 75 } 76 77 if { $extra_tool_flags != "" } { 78 lappend options "additional_flags=$extra_tool_flags" 79 } 80 81 set comp_output [libffi_target_compile "$prog" "$output_file" "$compile_type" $options]; 82 83 84 return [list $comp_output $output_file] 85 } 86 87 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] 90 } 91 92 proc libffi-init { args } { 93 global gluefile wrap_flags; 94 global srcdir 95 global blddirffi 96 global objdir 97 global TOOL_OPTIONS 98 global tool 99 global libffi_include 100 global libffi_link_flags 101 global tool_root_dir 102 global ld_library_path 103 104 global using_gcc 105 106 set blddirffi [pwd]/.. 107 verbose "libffi $blddirffi" 108 109 # Are we building with GCC? 110 set tmp [grep ../config.status "GCC='yes'"] 111 if { [string match $tmp "GCC='yes'"] } { 112 113 set using_gcc "yes" 114 115 set gccdir [lookfor_file $tool_root_dir gcc/libgcc.a] 116 if {$gccdir != ""} { 117 set gccdir [file dirname $gccdir] 118 } 119 verbose "gccdir $gccdir" 120 121 set ld_library_path "." 122 append ld_library_path ":${gccdir}" 123 124 set compiler "${gccdir}/xgcc" 125 if { [is_remote host] == 0 && [which $compiler] != 0 } { 126 foreach i "[exec $compiler --print-multi-lib]" { 127 set mldir "" 128 regexp -- "\[a-z0-9=_/\.-\]*;" $i mldir 129 set mldir [string trimright $mldir "\;@"] 130 if { "$mldir" == "." } { 131 continue 132 } 133 if { [llength [glob -nocomplain ${gccdir}/${mldir}/libgcc_s*.so.*]] >= 1 } { 134 append ld_library_path ":${gccdir}/${mldir}" 135 } 136 } 137 } 138 139 } else { 140 141 set using_gcc "no" 142 143 } 144 145 # add the library path for libffi. 146 append ld_library_path ":${blddirffi}/.libs" 147 148 verbose "ld_library_path: $ld_library_path" 149 150 # Point to the Libffi headers in libffi. 151 set libffi_include "${blddirffi}/include" 152 verbose "libffi_include $libffi_include" 153 154 set libffi_dir "${blddirffi}/.libs" 155 verbose "libffi_dir $libffi_dir" 156 if { $libffi_dir != "" } { 157 set libffi_dir [file dirname ${libffi_dir}] 158 set libffi_link_flags "-L${libffi_dir}/.libs" 159 } 160 161 set_ld_library_path_env_vars 162 libffi_maybe_build_wrapper "${objdir}/testglue.o" 163 } 164 165 proc libffi_exit { } { 166 global gluefile; 167 168 if [info exists gluefile] { 169 file_on_build delete $gluefile; 170 unset gluefile; 171 } 172 } 173 174 proc libffi_target_compile { source dest type options } { 175 global gluefile wrap_flags; 176 global srcdir 177 global blddirffi 178 global TOOL_OPTIONS 179 global libffi_link_flags 180 global libffi_include 181 global target_triplet 182 183 184 if { [target_info needs_status_wrapper]!="" && [info exists gluefile] } { 185 lappend options "libs=${gluefile}" 186 lappend options "ldflags=$wrap_flags" 187 } 188 189 # TOOL_OPTIONS must come first, so that it doesn't override testcase 190 # specific options. 191 if [info exists TOOL_OPTIONS] { 192 lappend options [concat "additional_flags=$TOOL_OPTIONS" $options]; 193 } 194 195 # search for ffi_mips.h in srcdir, too 196 lappend options "additional_flags=-I${libffi_include} -I${srcdir}/../include -I${libffi_include}/.." 197 lappend options "additional_flags=${libffi_link_flags}" 198 199 # Darwin needs a stack execution allowed flag. 200 201 if { [istarget "*-*-darwin9*"] || [istarget "*-*-darwin1*"] 202 || [istarget "*-*-darwin2*"] } { 203 lappend options "additional_flags=-Wl,-allow_stack_execute" 204 } 205 206 # If you're building the compiler with --prefix set to a place 207 # where it's not yet installed, then the linker won't be able to 208 # find the libgcc used by libffi.dylib. We could pass the 209 # -dylib_file option, but that's complicated, and it's much easier 210 # to just make the linker find libgcc using -L options. 211 if { [string match "*-*-darwin*" $target_triplet] } { 212 lappend options "libs= -shared-libgcc" 213 } 214 215 if { [string match "*-*-openbsd*" $target_triplet] } { 216 lappend options "libs= -lpthread" 217 } 218 219 lappend options "libs= -lffi" 220 221 if { [string match "aarch64*-*-linux*" $target_triplet] } { 222 lappend options "libs= -lpthread" 223 } 224 225 if { [string match "*.cc" $source] } { 226 lappend options "c++" 227 } 228 229 verbose "options: $options" 230 return [target_compile $source $dest $type $options] 231 } 232 233 # Utility routines. 234 235 # 236 # search_for -- looks for a string match in a file 237 # 238 proc search_for { file pattern } { 239 set fd [open $file r] 240 while { [gets $fd cur_line]>=0 } { 241 if [string match "*$pattern*" $cur_line] then { 242 close $fd 243 return 1 244 } 245 } 246 close $fd 247 return 0 248 } 249 250 # Modified dg-runtest that can cycle through a list of optimization options 251 # as c-torture does. 252 proc libffi-dg-runtest { testcases default-extra-flags } { 253 global runtests 254 255 foreach test $testcases { 256 # If we're only testing specific files and this isn't one of 257 # them, skip it. 258 if ![runtest_file_p $runtests $test] { 259 continue 260 } 261 262 # Look for a loop within the source code - if we don't find one, 263 # don't pass -funroll[-all]-loops. 264 global torture_with_loops torture_without_loops 265 if [expr [search_for $test "for*("]+[search_for $test "while*("]] { 266 set option_list $torture_with_loops 267 } else { 268 set option_list $torture_without_loops 269 } 270 271 set nshort [file tail [file dirname $test]]/[file tail $test] 272 273 foreach flags $option_list { 274 verbose "Testing $nshort, $flags" 1 275 dg-test $test $flags ${default-extra-flags} 276 } 277 } 278 } 279 280 proc run-many-tests { testcases extra_flags } { 281 global using_gcc 282 if { [string match $using_gcc "yes"] } { 283 set common "-W -Wall" 284 set optimizations { "-O0" "-O2" "-O3" "-Os" "-O2 -fomit-frame-pointer" } 285 } else { 286 # Assume we are using the vendor compiler. 287 set common "" 288 set optimizations { "" } 289 } 290 291 set targetabis { "" } 292 if [string match $using_gcc "yes"] { 293 if [istarget "i?86-*-*"] { 294 set targetabis { 295 "" 296 "-DABI_NUM=FFI_STDCALL -DABI_ATTR=__STDCALL__" 297 "-DABI_NUM=FFI_THISCALL -DABI_ATTR=__THISCALL__" 298 "-DABI_NUM=FFI_FASTCALL -DABI_ATTR=__FASTCALL__" 299 } 300 } 301 } 302 303 set common [ concat $common $extra_flags ] 304 foreach test $testcases { 305 set testname [file tail $test] 306 if [search_for $test "ABI_NUM"] { 307 set abis $targetabis 308 } else { 309 set abis { "" } 310 } 311 foreach opt $optimizations { 312 foreach abi $abis { 313 set options [concat $common $opt $abi] 314 verbose "Testing $testname, $options" 1 315 dg-test $test $options "" 316 } 317 } 318 } 319 } 320 321 # Like check_conditional_xfail, but callable from a dg test. 322 323 proc dg-xfail-if { args } { 324 set args [lreplace $args 0 0] 325 set selector "target [join [lindex $args 1]]" 326 if { [dg-process-target $selector] == "S" } { 327 global compiler_conditional_xfail_data 328 set compiler_conditional_xfail_data $args 329 } 330 } 331 332 proc check-flags { args } { 333 334 # The args are within another list; pull them out. 335 set args [lindex $args 0] 336 337 # The next two arguments are optional. If they were not specified, 338 # use the defaults. 339 if { [llength $args] == 2 } { 340 lappend $args [list "*"] 341 } 342 if { [llength $args] == 3 } { 343 lappend $args [list ""] 344 } 345 346 # If the option strings are the defaults, or the same as the 347 # defaults, there is no need to call check_conditional_xfail to 348 # compare them to the actual options. 349 if { [string compare [lindex $args 2] "*"] == 0 350 && [string compare [lindex $args 3] "" ] == 0 } { 351 set result 1 352 } else { 353 # The target list might be an effective-target keyword, so replace 354 # the original list with "*-*-*", since we already know it matches. 355 set result [check_conditional_xfail [lreplace $args 1 1 "*-*-*"]] 356 } 357 358 return $result 359 } 360 361 proc dg-skip-if { args } { 362 # Verify the number of arguments. The last two are optional. 363 set args [lreplace $args 0 0] 364 if { [llength $args] < 2 || [llength $args] > 4 } { 365 error "dg-skip-if 2: need 2, 3, or 4 arguments" 366 } 367 368 # Don't bother if we're already skipping the test. 369 upvar dg-do-what dg-do-what 370 if { [lindex ${dg-do-what} 1] == "N" } { 371 return 372 } 373 374 set selector [list target [lindex $args 1]] 375 if { [dg-process-target $selector] == "S" } { 376 if [check-flags $args] { 377 upvar dg-do-what dg-do-what 378 set dg-do-what [list [lindex ${dg-do-what} 0] "N" "P"] 379 } 380 } 381 } 382 383 # We need to make sure that additional_files and additional_sources 384 # are both cleared out after every test. It is not enough to clear 385 # them out *before* the next test run because gcc-target-compile gets 386 # run directly from some .exp files (outside of any test). (Those 387 # uses should eventually be eliminated.) 388 389 # Because the DG framework doesn't provide a hook that is run at the 390 # end of a test, we must replace dg-test with a wrapper. 391 392 if { [info procs saved-dg-test] == [list] } { 393 rename dg-test saved-dg-test 394 395 proc dg-test { args } { 396 global additional_files 397 global additional_sources 398 global errorInfo 399 400 if { [ catch { eval saved-dg-test $args } errmsg ] } { 401 set saved_info $errorInfo 402 set additional_files "" 403 set additional_sources "" 404 error $errmsg $saved_info 405 } 406 set additional_files "" 407 set additional_sources "" 408 } 409 } 410 411 # Local Variables: 412 # tcl-indent-level:4 413 # End: 414
