| 1 | # Support routines for LD testsuite. |
| 2 | # Copyright (C) 1994-2019 Free Software Foundation, Inc. |
| 3 | # |
| 4 | # This file is part of the GNU Binutils. |
| 5 | # |
| 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. |
| 10 | # |
| 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. |
| 15 | # |
| 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, |
| 19 | # MA 02110-1301, USA. |
| 20 | |
| 21 | proc load_common_lib { name } { |
| 22 | global srcdir |
| 23 | load_file $srcdir/../../binutils/testsuite/lib/$name |
| 24 | } |
| 25 | |
| 26 | load_common_lib binutils-common.exp |
| 27 | |
| 28 | # Returns 1 if the gcc for the target is at least version MAJOR.MINOR |
| 29 | # Returns 0 otherwise. |
| 30 | # |
| 31 | proc at_least_gcc_version { major minor } { |
| 32 | global CC |
| 33 | |
| 34 | if {![info exists CC]} { |
| 35 | set CC [find_gcc] |
| 36 | } |
| 37 | if { $CC == "" } { |
| 38 | return 0 |
| 39 | } |
| 40 | set state [remote_exec host $CC --version] |
| 41 | if { [lindex $state 0] != 0 } { |
| 42 | return 0; |
| 43 | } |
| 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!" |
| 51 | return 0 |
| 52 | } |
| 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] |
| 57 | } else { |
| 58 | return [expr $maj > $major] |
| 59 | } |
| 60 | } |
| 61 | |
| 62 | # Extract and print the version number of ld. |
| 63 | # |
| 64 | proc default_ld_version { ld } { |
| 65 | global host_triplet |
| 66 | |
| 67 | if { ![is_remote host] && [which $ld] == 0 } then { |
| 68 | perror "$ld does not exist" |
| 69 | exit 1 |
| 70 | } |
| 71 | |
| 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" |
| 77 | |
| 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 $number\n" |
| 81 | } |
| 82 | } |
| 83 | |
| 84 | proc run_host_cmd { prog command } { |
| 85 | global link_output |
| 86 | global gcc_B_opt |
| 87 | global ld_L_opt |
| 88 | global gcc_ld_B_opt_tested |
| 89 | global ld |
| 90 | |
| 91 | if { ![is_remote host] && [which "$prog"] == 0 } then { |
| 92 | perror "$prog does not exist" |
| 93 | return 0 |
| 94 | } |
| 95 | |
| 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. |
| 100 | set gccexe $prog |
| 101 | set gccparm [string first " " $gccexe] |
| 102 | set gccflags "" |
| 103 | if { $gccparm > 0 } then { |
| 104 | set gccflags [string range $gccexe $gccparm end] |
| 105 | set gccexe [string range $gccexe 0 $gccparm] |
| 106 | set prog $gccexe |
| 107 | } |
| 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]} { |
| 121 | |
| 122 | perror "It seems you will be testing $gcc_ld_version instead." |
| 123 | } |
| 124 | perror "************************************************************************" |
| 125 | } |
| 126 | } |
| 127 | } |
| 128 | |
| 129 | verbose -log "$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" |
| 136 | } |
| 137 | remote_file build delete ld.tmp |
| 138 | remote_file host delete ld.tmp |
| 139 | |
| 140 | if [string match "" $link_output] then { |
| 141 | return "" |
| 142 | } |
| 143 | |
| 144 | verbose -log "$link_output" |
| 145 | return "$link_output" |
| 146 | } |
| 147 | |
| 148 | proc run_host_cmd_yesno { prog command } { |
| 149 | global exec_output |
| 150 | global errcnt warncnt |
| 151 | |
| 152 | set exec_output [prune_warnings [run_host_cmd "$prog" "$command"]] |
| 153 | # Ignore error and warning. |
| 154 | set errcnt 0 |
| 155 | set warncnt 0 |
| 156 | if [string match "" $exec_output] then { |
| 157 | return 1; |
| 158 | } |
| 159 | return 0; |
| 160 | } |
| 161 | |
| 162 | # Link an object using relocation. |
| 163 | # |
| 164 | proc default_ld_relocate { ld target objects } { |
| 165 | global HOSTING_EMU |
| 166 | |
| 167 | remote_file host delete $target |
| 168 | return [run_host_cmd_yesno "$ld" "$HOSTING_EMU -o $target -r $objects"] |
| 169 | } |
| 170 | |
| 171 | # Check to see if ld is being invoked with a non-endian output format |
| 172 | # |
| 173 | proc is_endian_output_format { object_flags } { |
| 174 | |
| 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 { |
| 182 | return 0 |
| 183 | } else { |
| 184 | return 1 |
| 185 | } |
| 186 | } |
| 187 | |
| 188 | # Link a program using ld |
| 189 | # |
| 190 | proc default_ld_link { ld target objects } { |
| 191 | global host_triplet |
| 192 | global exec_output |
| 193 | |
| 194 | set flags "" |
| 195 | if [is_endian_output_format $objects] then { |
| 196 | set flags [big_or_little_endian] |
| 197 | } |
| 198 | |
| 199 | remote_file host delete $target |
| 200 | set exec_output [run_host_cmd "$ld" "$flags -o $target $objects"] |
| 201 | set exec_output [prune_warnings $exec_output] |
| 202 | |
| 203 | # We don't care if we get a warning about a non-existent start |
| 204 | # symbol, since the default linker script might use ENTRY. |
| 205 | regsub -all "(^|\n)(\[^\n\]*: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output |
| 206 | |
| 207 | return [string match "" $exec_output] |
| 208 | } |
| 209 | |
| 210 | # Compile an object using cc. |
| 211 | # |
| 212 | proc default_ld_compile { cc source object } { |
| 213 | global CFLAGS |
| 214 | global CXXFLAGS |
| 215 | global srcdir |
| 216 | global subdir |
| 217 | global host_triplet |
| 218 | global gcc_B_opt |
| 219 | |
| 220 | set cc_prog $cc |
| 221 | if {[llength $cc_prog] > 1} then { |
| 222 | set cc_prog [lindex $cc_prog 0] |
| 223 | } |
| 224 | if {![is_remote host] && [which $cc_prog] == 0} then { |
| 225 | perror "$cc_prog does not exist" |
| 226 | return 0 |
| 227 | } |
| 228 | |
| 229 | remote_file build delete "$object" |
| 230 | remote_file host delete "$object" |
| 231 | |
| 232 | set flags "$gcc_B_opt -I$srcdir/$subdir" |
| 233 | |
| 234 | # If we are compiling with gcc, we want to add gcc_B_opt to flags. |
| 235 | # However, if $prog already has -B options, which might be the |
| 236 | # case when running gcc out of a build directory, we want our -B |
| 237 | # options to come first. |
| 238 | set ccexe $cc |
| 239 | set ccparm [string first " " $cc] |
| 240 | set ccflags "" |
| 241 | if { $ccparm > 0 } then { |
| 242 | set ccflags [string range $cc $ccparm end] |
| 243 | set ccexe [string range $cc 0 $ccparm] |
| 244 | set cc $ccexe |
| 245 | } |
| 246 | |
| 247 | set ccexe [string replace $ccexe 0 [string last "/" $ccexe] ""] |
| 248 | if {[string match "*++*" $ccexe]} { |
| 249 | append flags " $CXXFLAGS" |
| 250 | } else { |
| 251 | append flags " $CFLAGS" |
| 252 | } |
| 253 | |
| 254 | if [board_info [target_info name] exists cflags] { |
| 255 | append flags " [board_info [target_info name] cflags]" |
| 256 | } |
| 257 | |
| 258 | if [board_info [target_info name] exists multilib_flags] { |
| 259 | append flags " [board_info [target_info name] multilib_flags]" |
| 260 | } |
| 261 | |
| 262 | set cmd "$cc $flags $ccflags -c $source -o $object" |
| 263 | verbose -log "$cmd" |
| 264 | |
| 265 | set status [remote_exec host [concat sh -c [list "$cmd 2>&1"]] "" "/dev/null" "ld.tmp"] |
| 266 | remote_upload host "ld.tmp" |
| 267 | set exec_output [file_contents "ld.tmp"] |
| 268 | remote_file build delete "ld.tmp" |
| 269 | remote_file host delete "ld.tmp" |
| 270 | set exec_output [prune_warnings $exec_output] |
| 271 | # Versions of gcc up to and including pre-release gcc-7, at least on |
| 272 | # some targets, generate .section directives with incorrect type. |
| 273 | # Ignore warnings from the assembler about this. |
| 274 | regsub -all "(^|\n)\[^\n\]*: ignoring incorrect section type \[^\n\]*" $exec_output "" exec_output |
| 275 | regsub -all "^\[^\n\]*: Assembler messages:\n" $exec_output "" exec_output |
| 276 | if [string match "" $exec_output] then { |
| 277 | if {![file exists $object]} then { |
| 278 | regexp ".*/(\[^/\]*)$" $source all dobj |
| 279 | regsub "\\.c" $dobj ".o" realobj |
| 280 | verbose "looking for $realobj" |
| 281 | if {[remote_file host exists $realobj]} then { |
| 282 | verbose -log "mv $realobj $object" |
| 283 | remote_upload "$realobj" "$object" |
| 284 | } else { |
| 285 | perror "$object not found after compilation" |
| 286 | return 0 |
| 287 | } |
| 288 | } |
| 289 | return 1 |
| 290 | } else { |
| 291 | verbose -log "$exec_output" |
| 292 | perror "$source: compilation failed" |
| 293 | return 0 |
| 294 | } |
| 295 | } |
| 296 | |
| 297 | # Assemble a file. |
| 298 | # |
| 299 | proc default_ld_assemble { as in_flags source object } { |
| 300 | global ASFLAGS |
| 301 | global host_triplet |
| 302 | global srcdir |
| 303 | global subdir |
| 304 | |
| 305 | if ![info exists ASFLAGS] { set ASFLAGS "" } |
| 306 | |
| 307 | set flags "[big_or_little_endian] -I$srcdir/$subdir" |
| 308 | set exec_output [run_host_cmd "$as" "$flags $in_flags $ASFLAGS -o $object $source"] |
| 309 | set exec_output [prune_warnings $exec_output] |
| 310 | if [string match "" $exec_output] then { |
| 311 | return 1 |
| 312 | } else { |
| 313 | perror "$source: assembly failed" |
| 314 | return 0 |
| 315 | } |
| 316 | } |
| 317 | |
| 318 | # Run nm on a file, putting the result in the array nm_output. |
| 319 | # |
| 320 | proc default_ld_nm { nm nmflags object } { |
| 321 | global NMFLAGS |
| 322 | global nm_output |
| 323 | global host_triplet |
| 324 | |
| 325 | if {[info exists nm_output]} { |
| 326 | unset nm_output |
| 327 | } |
| 328 | |
| 329 | if ![info exists NMFLAGS] { set NMFLAGS "" } |
| 330 | |
| 331 | # Ensure consistent sorting of symbols |
| 332 | if {[info exists env(LC_ALL)]} { |
| 333 | set old_lc_all $env(LC_ALL) |
| 334 | } |
| 335 | set env(LC_ALL) "C" |
| 336 | |
| 337 | verbose -log "$nm $NMFLAGS $nmflags $object >tmpdir/nm.out" |
| 338 | |
| 339 | set status [remote_exec host [concat sh -c [list "$nm $NMFLAGS $nmflags $object 2>ld.stderr"]] "" "/dev/null" "tmpdir/nm.out"] |
| 340 | if {[info exists old_lc_all]} { |
| 341 | set env(LC_ALL) $old_lc_all |
| 342 | } else { |
| 343 | unset env(LC_ALL) |
| 344 | } |
| 345 | remote_upload host "ld.stderr" |
| 346 | remote_upload host "tmpdir/nm.out" "tmpdir/nm.out" |
| 347 | set exec_output [prune_warnings [file_contents "ld.stderr"]] |
| 348 | remote_file host delete "ld.stderr" |
| 349 | remote_file build delete "ld.stderr" |
| 350 | if [string match "" $exec_output] then { |
| 351 | set file [open tmpdir/nm.out r] |
| 352 | while { [gets $file line] != -1 } { |
| 353 | verbose "$line" 2 |
| 354 | if [regexp "^(\[0-9a-fA-F\]+) \[a-zA-Z0-9\] \\.*(.+)$" $line whole value name] { |
| 355 | set name [string trimleft $name "_"] |
| 356 | verbose "Setting nm_output($name) to 0x$value" 2 |
| 357 | set nm_output($name) 0x$value |
| 358 | } |
| 359 | } |
| 360 | close $file |
| 361 | return 1 |
| 362 | } else { |
| 363 | verbose -log "$exec_output" |
| 364 | perror "$object: nm failed" |
| 365 | return 0 |
| 366 | } |
| 367 | } |
| 368 | |
| 369 | # Define various symbols needed when not linking against all |
| 370 | # target libs. |
| 371 | proc ld_link_defsyms {} { |
| 372 | |
| 373 | set flags "--defsym __stack_chk_fail=0" |
| 374 | |
| 375 | # ARM targets call __gccmain |
| 376 | if {[istarget arm*-*-*]} { |
| 377 | append flags " --defsym __gccmain=0" |
| 378 | } |
| 379 | |
| 380 | # Windows targets need __main, some prefixed with underscore. |
| 381 | if {[istarget *-*-cygwin* ] || [istarget *-*-mingw*]} { |
| 382 | append flags " --defsym __main=0 --defsym ___main=0" |
| 383 | } |
| 384 | |
| 385 | # PowerPC EABI code calls __eabi. |
| 386 | if {[istarget powerpc*-*-eabi*] || [istarget powerpc*-*-rtems*]} { |
| 387 | append flags " --defsym __eabi=0" |
| 388 | } |
| 389 | |
| 390 | # mn10200 code calls __truncsipsi2_d0_d2. |
| 391 | if {[istarget mn10200*-*-*]} then { |
| 392 | append flags " --defsym __truncsipsi2_d0_d2=0" |
| 393 | } |
| 394 | |
| 395 | # m6811/m6812 code has references to soft registers. |
| 396 | if {[istarget m6811-*-*] || [istarget m6812-*-*] || [istarget m68hc1*-*-*]} { |
| 397 | append flags " --defsym _.frame=0 --defsym _.d1=0 --defsym _.d2=0" |
| 398 | append flags " --defsym _.d3=0 --defsym _.d4=0" |
| 399 | append flags " --defsym _.tmp=0 --defsym _.xy=0 --defsym _.z=0" |
| 400 | } |
| 401 | |
| 402 | # Some OpenBSD targets have ProPolice and reference __guard and |
| 403 | # __stack_smash_handler. |
| 404 | if [istarget *-*-openbsd*] { |
| 405 | append flags " --defsym __guard=0" |
| 406 | append flags " --defsym __stack_smash_handler=0" |
| 407 | } |
| 408 | |
| 409 | return $flags |
| 410 | } |
| 411 | |
| 412 | # Create an archive using ar |
| 413 | # |
| 414 | proc ar_simple_create { ar aropts target objects } { |
| 415 | remote_file host delete $target |
| 416 | |
| 417 | set exec_output [run_host_cmd "$ar" "-rc $aropts $target $objects"] |
| 418 | set exec_output [prune_warnings $exec_output] |
| 419 | |
| 420 | if [string match "" $exec_output] then { |
| 421 | send_log "$exec_output\n" |
| 422 | return 1 |
| 423 | } else { |
| 424 | return 0 |
| 425 | } |
| 426 | } |
| 427 | |
| 428 | # List contains test-items with 3 items followed by 2 lists, one item and |
| 429 | # one optional item: |
| 430 | # 0:name |
| 431 | # 1:ld/ar leading options, placed before object files |
| 432 | # 2:ld/ar trailing options, placed after object files |
| 433 | # 3:assembler options |
| 434 | # 4:filenames of assembler files |
| 435 | # 5:list of actions, options and expected outputs. |
| 436 | # 6:name of output file |
| 437 | # 7:compiler flags (optional) |
| 438 | # |
| 439 | # Actions: { command command-line-options file-containg-expected-output-regexps } |
| 440 | # Commands: |
| 441 | # objdump: Apply objdump options on result. |
| 442 | # nm: Apply nm options on result. |
| 443 | # readelf: Apply readelf options on result. |
| 444 | # ld: Don't apply anything on result. Compare output during linking with |
| 445 | # the file containing regexps (which is the second arg, not the third). |
| 446 | # Note that this *must* be the first action if it is to be used at all; |
| 447 | # in all other cases, any output from the linker during linking is |
| 448 | # treated as a sign of an error and FAILs the test. |
| 449 | # |
| 450 | # args is an optional list of target triplets to be xfailed. |
| 451 | # |
| 452 | proc run_ld_link_tests { ldtests args } { |
| 453 | global ld |
| 454 | global as |
| 455 | global nm |
| 456 | global ar |
| 457 | global objdump |
| 458 | global READELF |
| 459 | global srcdir |
| 460 | global subdir |
| 461 | global env |
| 462 | global CC |
| 463 | global CFLAGS |
| 464 | global runtests |
| 465 | global exec_output |
| 466 | global ld_elf_shared_opt |
| 467 | |
| 468 | if { [is_elf_format] && [check_shared_lib_support] } { |
| 469 | set ld_extra_opt "$ld_elf_shared_opt" |
| 470 | } else { |
| 471 | set ld_extra_opt "" |
| 472 | } |
| 473 | |
| 474 | foreach testitem $ldtests { |
| 475 | set testname [lindex $testitem 0] |
| 476 | |
| 477 | if ![runtest_file_p $runtests $testname] then { |
| 478 | continue |
| 479 | } |
| 480 | |
| 481 | foreach target $args { |
| 482 | setup_xfail $target |
| 483 | } |
| 484 | |
| 485 | set ld_options [lindex $testitem 1] |
| 486 | set ld_after [lindex $testitem 2] |
| 487 | set as_options [lindex $testitem 3] |
| 488 | set src_files [lindex $testitem 4] |
| 489 | set actions [lindex $testitem 5] |
| 490 | set binfile tmpdir/[lindex $testitem 6] |
| 491 | set cflags [lindex $testitem 7] |
| 492 | set objfiles {} |
| 493 | set is_unresolved 0 |
| 494 | set failed 0 |
| 495 | set maybe_failed 0 |
| 496 | set ld_output "" |
| 497 | |
| 498 | # verbose -log "Testname is $testname" |
| 499 | # verbose -log "ld_options is $ld_options" |
| 500 | # verbose -log "ld_after is $ld_after" |
| 501 | # verbose -log "as_options is $as_options" |
| 502 | # verbose -log "src_files is $src_files" |
| 503 | # verbose -log "actions is $actions" |
| 504 | # verbose -log "binfile is $binfile" |
| 505 | |
| 506 | # Assemble each file in the test. |
| 507 | foreach src_file $src_files { |
| 508 | set fileroot "[file rootname [file tail $src_file]]" |
| 509 | set objfile "tmpdir/$fileroot.o" |
| 510 | lappend objfiles $objfile |
| 511 | |
| 512 | if { [file extension $src_file] == ".c" } { |
| 513 | set as_file "tmpdir/$fileroot.s" |
| 514 | if ![ld_compile "$CC -S $CFLAGS $cflags" $srcdir/$subdir/$src_file $as_file] { |
| 515 | set is_unresolved 1 |
| 516 | break |
| 517 | } |
| 518 | } else { |
| 519 | set as_file "$srcdir/$subdir/$src_file" |
| 520 | } |
| 521 | if ![ld_assemble $as "$as_options $as_file" $objfile] { |
| 522 | set is_unresolved 1 |
| 523 | break |
| 524 | } |
| 525 | } |
| 526 | |
| 527 | # Catch assembler errors. |
| 528 | if { $is_unresolved } { |
| 529 | unresolved $testname |
| 530 | continue |
| 531 | } |
| 532 | |
| 533 | if { $binfile eq "tmpdir/" } { |
| 534 | # compile only |
| 535 | } elseif { [regexp ".*\\.a$" $binfile] } { |
| 536 | if { ![ar_simple_create $ar $ld_options $binfile "$objfiles $ld_after"] } { |
| 537 | set failed 1 |
| 538 | } |
| 539 | } elseif { ![ld_link $ld $binfile "$ld_extra_opt -L$srcdir/$subdir $ld_options $objfiles $ld_after"] } { |
| 540 | set maybe_failed 1 |
| 541 | set ld_output "$exec_output" |
| 542 | } |
| 543 | |
| 544 | if { !$failed } { |
| 545 | foreach actionlist $actions { |
| 546 | set action [lindex $actionlist 0] |
| 547 | set progopts [lindex $actionlist 1] |
| 548 | |
| 549 | # There are actions where we run regexp_diff on the |
| 550 | # output, and there are other actions (presumably). |
| 551 | # Handling of the former look the same. |
| 552 | set dump_prog "" |
| 553 | switch -- $action { |
| 554 | objdump |
| 555 | { set dump_prog $objdump } |
| 556 | nm |
| 557 | { set dump_prog $nm } |
| 558 | readelf |
| 559 | { set dump_prog $READELF } |
| 560 | ld |
| 561 | { set dump_prog "ld" } |
| 562 | default |
| 563 | { |
| 564 | perror "Unrecognized action $action" |
| 565 | set is_unresolved 1 |
| 566 | break |
| 567 | } |
| 568 | } |
| 569 | |
| 570 | if { $action == "ld" } { |
| 571 | set regexpfile $progopts |
| 572 | verbose "regexpfile is $srcdir/$subdir/$regexpfile" |
| 573 | set_file_contents "tmpdir/ld.messages" "$ld_output" |
| 574 | verbose "ld.messages has '[file_contents tmpdir/ld.messages]'" |
| 575 | if { [regexp_diff "tmpdir/ld.messages" "$srcdir/$subdir/$regexpfile"] } then { |
| 576 | verbose "output is $ld_output" 2 |
| 577 | set failed 1 |
| 578 | break |
| 579 | } |
| 580 | set maybe_failed 0 |
| 581 | } elseif { !$maybe_failed && $dump_prog != "" } { |
| 582 | set dumpfile [lindex $actionlist 2] |
| 583 | set binary $dump_prog |
| 584 | |
| 585 | # Ensure consistent sorting of symbols |
| 586 | if {[info exists env(LC_ALL)]} { |
| 587 | set old_lc_all $env(LC_ALL) |
| 588 | } |
| 589 | set env(LC_ALL) "C" |
| 590 | set cmd "$binary $progopts $binfile" |
| 591 | set status [remote_exec host [concat sh -c [list "$cmd >dump.out 2>ld.stderr"]] "" "/dev/null"] |
| 592 | send_log "$cmd\n" |
| 593 | remote_upload host "ld.stderr" |
| 594 | set comp_output [prune_warnings [file_contents "ld.stderr"]] |
| 595 | remote_file host delete "ld.stderr" |
| 596 | remote_file build delete "ld.stderr" |
| 597 | |
| 598 | if {[info exists old_lc_all]} { |
| 599 | set env(LC_ALL) $old_lc_all |
| 600 | } else { |
| 601 | unset env(LC_ALL) |
| 602 | } |
| 603 | |
| 604 | if ![string match "" $comp_output] then { |
| 605 | send_log "$comp_output\n" |
| 606 | set failed 1 |
| 607 | break |
| 608 | } |
| 609 | |
| 610 | remote_upload host "dump.out" |
| 611 | |
| 612 | if { [regexp_diff "dump.out" "$srcdir/$subdir/$dumpfile"] } then { |
| 613 | verbose "output is [file_contents "dump.out"]" 2 |
| 614 | set failed 1 |
| 615 | remote_file build delete "dump.out" |
| 616 | remote_file host delete "dump.out" |
| 617 | break |
| 618 | } |
| 619 | remote_file build delete "dump.out" |
| 620 | remote_file host delete "dump.out" |
| 621 | } |
| 622 | } |
| 623 | } |
| 624 | |
| 625 | if { $is_unresolved } { |
| 626 | unresolved $testname |
| 627 | } elseif { $maybe_failed || $failed } { |
| 628 | fail $testname |
| 629 | } else { |
| 630 | pass $testname |
| 631 | } |
| 632 | } |
| 633 | } |
| 634 | |
| 635 | # ldtests contains test-items with 3 items followed by 1 lists, 2 items |
| 636 | # and 3 optional items: |
| 637 | # 0:name |
| 638 | # 1:ld leading options, placed before object files |
| 639 | # 2:assembler options |
| 640 | # 3:filenames of source files |
| 641 | # 4:name of output file |
| 642 | # 5:expected output |
| 643 | # 6:compiler flags (optional) |
| 644 | # 7:language (optional) |
| 645 | # 8:linker warning (optional) |
| 646 | # 9:ld trailing options, placed after object files (optional) |
| 647 | # args is an optional list of target triplets to be xfailed. |
| 648 | |
| 649 | proc run_ld_link_exec_tests { ldtests args } { |
| 650 | global ld |
| 651 | global as |
| 652 | global srcdir |
| 653 | global subdir |
| 654 | global env |
| 655 | global CC |
| 656 | global CXX |
| 657 | global CFLAGS |
| 658 | global CXXFLAGS |
| 659 | global errcnt |
| 660 | global exec_output |
| 661 | global board_cflags |
| 662 | global STATIC_LDFLAGS |
| 663 | |
| 664 | # When using GCC as the linker driver, we need to specify board cflags when |
| 665 | # linking because cflags may contain linker options. For example when |
| 666 | # linker options are included in GCC spec files then we need the -specs |
| 667 | # option. |
| 668 | if [board_info [target_info name] exists cflags] { |
| 669 | set board_cflags " [board_info [target_info name] cflags]" |
| 670 | } else { |
| 671 | set board_cflags "" |
| 672 | } |
| 673 | |
| 674 | foreach testitem $ldtests { |
| 675 | foreach target $args { |
| 676 | setup_xfail $target |
| 677 | } |
| 678 | set testname [lindex $testitem 0] |
| 679 | set ld_options [lindex $testitem 1] |
| 680 | set as_options [lindex $testitem 2] |
| 681 | set src_files [lindex $testitem 3] |
| 682 | set binfile tmpdir/[lindex $testitem 4] |
| 683 | set expfile [lindex $testitem 5] |
| 684 | set cflags [lindex $testitem 6] |
| 685 | set lang [lindex $testitem 7] |
| 686 | set warning [lindex $testitem 8] |
| 687 | set ld_after [lindex $testitem 9] |
| 688 | set objfiles {} |
| 689 | set failed 0 |
| 690 | |
| 691 | if { ![check_compiler_available] } { |
| 692 | unsupported $testname |
| 693 | continue |
| 694 | } |
| 695 | |
| 696 | # verbose -log "Testname is $testname" |
| 697 | # verbose -log "ld_options is $ld_options" |
| 698 | # verbose -log "as_options is $as_options" |
| 699 | # verbose -log "src_files is $src_files" |
| 700 | # verbose -log "binfile is $binfile" |
| 701 | |
| 702 | # Assemble each file in the test. |
| 703 | foreach src_file $src_files { |
| 704 | set fileroot "[file rootname [file tail $src_file]]" |
| 705 | set objfile "tmpdir/$fileroot.o" |
| 706 | lappend objfiles $objfile |
| 707 | |
| 708 | if { [ string match "c++" $lang ] } { |
| 709 | set cmd "$CXX -c $CXXFLAGS $cflags" |
| 710 | } else { |
| 711 | set cmd "$CC -c $CFLAGS $cflags" |
| 712 | } |
| 713 | if ![ld_compile $cmd $srcdir/$subdir/$src_file $objfile] { |
| 714 | set failed 1 |
| 715 | break |
| 716 | } |
| 717 | } |
| 718 | if { $failed != 0 } { |
| 719 | unresolved $testname |
| 720 | continue |
| 721 | } |
| 722 | |
| 723 | if { [ string match "asm" $lang ] } { |
| 724 | set link_proc ld_link |
| 725 | set link_cmd $ld |
| 726 | } elseif { [ string match "c++" $lang ] } { |
| 727 | set link_proc ld_link |
| 728 | set link_cmd $CXX |
| 729 | } else { |
| 730 | set link_proc ld_link |
| 731 | set link_cmd $CC |
| 732 | } |
| 733 | |
| 734 | if { $binfile eq "tmpdir/" } { |
| 735 | # compile only |
| 736 | pass $testname |
| 737 | continue; |
| 738 | } else { |
| 739 | if { [string match "" $STATIC_LDFLAGS] \ |
| 740 | && [regexp -- ".* \[-\]+static .*" " $board_cflags $ld_options $objfiles $ld_after "] } { |
| 741 | untested $testname |
| 742 | continue |
| 743 | } |
| 744 | if ![$link_proc $link_cmd $binfile "$board_cflags -L$srcdir/$subdir $ld_options $objfiles $ld_after"] { |
| 745 | set failed 1 |
| 746 | } |
| 747 | } |
| 748 | |
| 749 | # Check if exec_output is expected. |
| 750 | if { $warning != "" } then { |
| 751 | verbose -log "returned with: <$exec_output>, expected: <$warning>" |
| 752 | if { [regexp $warning $exec_output] } then { |
| 753 | set failed 0 |
| 754 | } else { |
| 755 | set failed 1 |
| 756 | } |
| 757 | } |
| 758 | |
| 759 | if { $failed == 0 && [isnative] } { |
| 760 | send_log "Running: $binfile > $binfile.out\n" |
| 761 | verbose "Running: $binfile > $binfile.out" |
| 762 | catch "exec $binfile > $binfile.out" exec_output |
| 763 | |
| 764 | if ![string match "" $exec_output] then { |
| 765 | send_log "$exec_output\n" |
| 766 | verbose "$exec_output" 1 |
| 767 | set failed 1 |
| 768 | } else { |
| 769 | send_log "diff $binfile.out $srcdir/$subdir/$expfile\n" |
| 770 | verbose "diff $binfile.out $srcdir/$subdir/$expfile" |
| 771 | catch "exec diff $binfile.out $srcdir/$subdir/$expfile" exec_output |
| 772 | set exec_output [prune_warnings $exec_output] |
| 773 | |
| 774 | if ![string match "" $exec_output] then { |
| 775 | send_log "$exec_output\n" |
| 776 | verbose "$exec_output" 1 |
| 777 | set failed 1 |
| 778 | } |
| 779 | } |
| 780 | } |
| 781 | |
| 782 | if { $failed != 0 } { |
| 783 | fail $testname |
| 784 | } elseif ![isnative] { |
| 785 | unsupported $testname |
| 786 | } else { |
| 787 | set errcnt 0 |
| 788 | pass $testname |
| 789 | } |
| 790 | } |
| 791 | } |
| 792 | |
| 793 | # List contains test-items with 3 items followed by 2 lists, one item and |
| 794 | # one optional item: |
| 795 | # 0:name |
| 796 | # 1:ld or ar options |
| 797 | # 2:compile options |
| 798 | # 3:filenames of source files |
| 799 | # 4:action and options. |
| 800 | # 5:name of output file |
| 801 | # 6:language (optional) |
| 802 | # |
| 803 | # Actions: |
| 804 | # objdump: Apply objdump options on result. Compare with regex (last arg). |
| 805 | # nm: Apply nm options on result. Compare with regex (last arg). |
| 806 | # readelf: Apply readelf options on result. Compare with regex (last arg). |
| 807 | # warning: Check linker output against regex (last arg). |
| 808 | # error: Like 'warning' but checking output in error case. |
| 809 | # warning_output: Check linker output against regex in a file (last arg). |
| 810 | # error_output: Like 'warning_output' but checking output in error case. |
| 811 | # |
| 812 | proc run_cc_link_tests { ldtests } { |
| 813 | global nm |
| 814 | global objdump |
| 815 | global READELF |
| 816 | global srcdir |
| 817 | global subdir |
| 818 | global env |
| 819 | global CC |
| 820 | global CXX |
| 821 | global CFLAGS |
| 822 | global CXXFLAGS |
| 823 | global ar |
| 824 | global exec_output |
| 825 | global board_cflags |
| 826 | global STATIC_LDFLAGS |
| 827 | |
| 828 | if [board_info [target_info name] exists cflags] { |
| 829 | set board_cflags " [board_info [target_info name] cflags]" |
| 830 | } else { |
| 831 | set board_cflags "" |
| 832 | } |
| 833 | |
| 834 | foreach testitem $ldtests { |
| 835 | set testname [lindex $testitem 0] |
| 836 | set ldflags [lindex $testitem 1] |
| 837 | set cflags [lindex $testitem 2] |
| 838 | set src_files [lindex $testitem 3] |
| 839 | set actions [lindex $testitem 4] |
| 840 | set binfile tmpdir/[lindex $testitem 5] |
| 841 | set lang [lindex $testitem 6] |
| 842 | set objfiles {} |
| 843 | set is_unresolved 0 |
| 844 | set failed 0 |
| 845 | set check_ld(terminal) 0 |
| 846 | set check_ld(source) "" |
| 847 | |
| 848 | if { ![check_compiler_available] } { |
| 849 | unsupported $testname |
| 850 | continue |
| 851 | } |
| 852 | |
| 853 | #verbose -log "testname is $testname" |
| 854 | #verbose -log "ldflags is $ldflags" |
| 855 | #verbose -log "cflags is $cflags" |
| 856 | #verbose -log "src_files is $src_files" |
| 857 | #verbose -log "actions is $actions" |
| 858 | #verbose -log "binfile is $binfile" |
| 859 | #verbose -log "lang is $lang" |
| 860 | |
| 861 | foreach actionlist $actions { |
| 862 | set action [lindex $actionlist 0] |
| 863 | set progopts [lindex $actionlist 1] |
| 864 | |
| 865 | # Find actions related to error/warning processing. |
| 866 | switch -- $action { |
| 867 | error |
| 868 | { |
| 869 | set check_ld(source) "regexp" |
| 870 | set check_ld(regexp) $progopts |
| 871 | set check_ld(terminal) 1 |
| 872 | } |
| 873 | warning |
| 874 | { |
| 875 | set check_ld(source) "regexp" |
| 876 | set check_ld(regexp) $progopts |
| 877 | } |
| 878 | error_output |
| 879 | { |
| 880 | set check_ld(source) "file" |
| 881 | set check_ld(file) $progopts |
| 882 | set check_ld(terminal) 1 |
| 883 | } |
| 884 | warning_output |
| 885 | { |
| 886 | set check_ld(source) "file" |
| 887 | set check_ld(file) $progopts |
| 888 | } |
| 889 | } |
| 890 | } |
| 891 | |
| 892 | # Compile each file in the test. |
| 893 | foreach src_file $src_files { |
| 894 | set fileroot "[file rootname [file tail $src_file]]" |
| 895 | set objfile "tmpdir/$fileroot.o" |
| 896 | lappend objfiles $objfile |
| 897 | |
| 898 | if { [ string match "c++" $lang ] } { |
| 899 | set cmd "$CXX -c $CXXFLAGS $cflags" |
| 900 | } else { |
| 901 | set cmd "$CC -c $CFLAGS $cflags" |
| 902 | } |
| 903 | if ![ld_compile $cmd $srcdir/$subdir/$src_file $objfile] { |
| 904 | set failed 1 |
| 905 | break |
| 906 | } |
| 907 | } |
| 908 | if { $failed != 0 } { |
| 909 | unresolved $testname |
| 910 | continue |
| 911 | } |
| 912 | |
| 913 | # Clear error and warning counts. |
| 914 | reset_vars |
| 915 | |
| 916 | if { [ string match "c++" $lang ] } { |
| 917 | set cc_cmd $CXX |
| 918 | } else { |
| 919 | set cc_cmd $CC |
| 920 | } |
| 921 | |
| 922 | if { $binfile eq "tmpdir/" } { |
| 923 | # compile only |
| 924 | } elseif { [regexp ".*\\.a$" $binfile] } { |
| 925 | if { ![ar_simple_create $ar $ldflags $binfile "$objfiles"] } { |
| 926 | set failed 1 |
| 927 | } |
| 928 | } else { |
| 929 | if { [string match "" $STATIC_LDFLAGS] \ |
| 930 | && [regexp -- ".* \[-\]+static .*" " $board_cflags $ldflags $objfiles "] } { |
| 931 | untested $testname |
| 932 | continue |
| 933 | } |
| 934 | ld_link $cc_cmd $binfile "$board_cflags -L$srcdir/$subdir $ldflags $objfiles" |
| 935 | set ld_output "$exec_output" |
| 936 | |
| 937 | if { $check_ld(source) == "regexp" } then { |
| 938 | # Match output against regexp argument. |
| 939 | verbose -log "returned with: <$ld_output>, expected: <$check_ld(regexp)>" |
| 940 | if { ![regexp $check_ld(regexp) $ld_output] } then { |
| 941 | set failed 1 |
| 942 | } |
| 943 | } elseif { $check_ld(source) == "file" } then { |
| 944 | # Match output against patterns in a file. |
| 945 | set_file_contents "tmpdir/ld.messages" "$ld_output" |
| 946 | verbose "ld.messages has '[file_contents tmpdir/ld.messages]'" |
| 947 | if { [regexp_diff "tmpdir/ld.messages" "$srcdir/$subdir/$check_ld(file)"] } then { |
| 948 | verbose "output is $ld_output" 2 |
| 949 | set failed 1 |
| 950 | } |
| 951 | } |
| 952 | |
| 953 | if { $check_ld(source) != "" } then { |
| 954 | if { $ld_output == "" } then { |
| 955 | verbose -log "Linker was expected to give error or warning" |
| 956 | set failed 1 |
| 957 | } |
| 958 | } else { |
| 959 | if { $ld_output != "" } then { |
| 960 | verbose -log "Unexpected linker warning or error" |
| 961 | set failed 1 |
| 962 | } |
| 963 | } |
| 964 | } |
| 965 | |
| 966 | if { $failed == 0 } { |
| 967 | foreach actionlist $actions { |
| 968 | set action [lindex $actionlist 0] |
| 969 | set progopts [lindex $actionlist 1] |
| 970 | |
| 971 | # There are actions where we run regexp_diff on the |
| 972 | # output, and there are other actions (presumably). |
| 973 | # Handling of the former look the same. |
| 974 | set dump_prog "" |
| 975 | switch -- $action { |
| 976 | objdump |
| 977 | { set dump_prog $objdump } |
| 978 | nm |
| 979 | { set dump_prog $nm } |
| 980 | readelf |
| 981 | { set dump_prog $READELF } |
| 982 | error {} |
| 983 | warning {} |
| 984 | error_output {} |
| 985 | warning_output {} |
| 986 | default |
| 987 | { |
| 988 | perror "Unrecognized action $action" |
| 989 | set is_unresolved 1 |
| 990 | break |
| 991 | } |
| 992 | } |
| 993 | |
| 994 | if { $dump_prog != "" } { |
| 995 | set dumpfile [lindex $actionlist 2] |
| 996 | set binary $dump_prog |
| 997 | |
| 998 | # Ensure consistent sorting of symbols |
| 999 | if {[info exists env(LC_ALL)]} { |
| 1000 | set old_lc_all $env(LC_ALL) |
| 1001 | } |
| 1002 | set env(LC_ALL) "C" |
| 1003 | set cmd "$binary $progopts $binfile > dump.out" |
| 1004 | send_log "$cmd\n" |
| 1005 | catch "exec $cmd" comp_output |
| 1006 | if {[info exists old_lc_all]} { |
| 1007 | set env(LC_ALL) $old_lc_all |
| 1008 | } else { |
| 1009 | unset env(LC_ALL) |
| 1010 | } |
| 1011 | set comp_output [prune_warnings $comp_output] |
| 1012 | |
| 1013 | if ![string match "" $comp_output] then { |
| 1014 | send_log "$comp_output\n" |
| 1015 | set failed 1 |
| 1016 | break |
| 1017 | } |
| 1018 | |
| 1019 | if { [regexp_diff "dump.out" "$srcdir/$subdir/$dumpfile"] } then { |
| 1020 | verbose "output is [file_contents "dump.out"]" 2 |
| 1021 | set failed 1 |
| 1022 | break |
| 1023 | } |
| 1024 | } |
| 1025 | } |
| 1026 | } |
| 1027 | |
| 1028 | if { $failed } { |
| 1029 | fail $testname |
| 1030 | } elseif { $is_unresolved } { |
| 1031 | unresolved $testname |
| 1032 | } else { |
| 1033 | pass $testname |
| 1034 | } |
| 1035 | } |
| 1036 | } |
| 1037 | |
| 1038 | # Returns true if --gc-sections is supported on the target. |
| 1039 | |
| 1040 | proc check_gc_sections_available { } { |
| 1041 | global gc_sections_available_saved |
| 1042 | global ld |
| 1043 | |
| 1044 | if {![info exists gc_sections_available_saved]} { |
| 1045 | # Some targets don't support gc-sections despite whatever's |
| 1046 | # advertised by ld's options. |
| 1047 | if { [istarget alpha-*-*] |
| 1048 | || [istarget d30v-*-*] |
| 1049 | || [istarget dlx-*-*] |
| 1050 | || [istarget hppa*64-*-*] |
| 1051 | || [istarget ia64-*-*] |
| 1052 | || [istarget mep-*-*] |
| 1053 | || [istarget mn10200-*-*] |
| 1054 | || [istarget pj*-*-*] |
| 1055 | || [istarget pru*-*-*] |
| 1056 | || [istarget s12z-*-*] |
| 1057 | || [istarget xgate-*-*] } { |
| 1058 | set gc_sections_available_saved 0 |
| 1059 | return 0 |
| 1060 | } |
| 1061 | |
| 1062 | # elf2flt uses -q (--emit-relocs), which is incompatible with |
| 1063 | # --gc-sections. |
| 1064 | if { [board_info target exists ldflags] |
| 1065 | && [regexp " -elf2flt\[ =\]" " [board_info target ldflags] "] } { |
| 1066 | set gc_sections_available_saved 0 |
| 1067 | return 0 |
| 1068 | } |
| 1069 | |
| 1070 | # Check if the ld used by gcc supports --gc-sections. |
| 1071 | # FIXME: this test is useless since ld --help always says |
| 1072 | # --gc-sections is available |
| 1073 | set ld_output [remote_exec host $ld "--help"] |
| 1074 | if { [ string first "--gc-sections" $ld_output ] >= 0 } { |
| 1075 | set gc_sections_available_saved 1 |
| 1076 | } else { |
| 1077 | set gc_sections_available_saved 0 |
| 1078 | } |
| 1079 | } |
| 1080 | return $gc_sections_available_saved |
| 1081 | } |
| 1082 | |
| 1083 | # Return true if target uses genelf.em (assuming it is ELF). |
| 1084 | proc is_generic_elf { } { |
| 1085 | if { [istarget "d30v-*-*"] |
| 1086 | || [istarget "dlx-*-*"] |
| 1087 | || [istarget "fr30-*-*"] |
| 1088 | || ([istarget "frv-*-*"] && ![istarget "frv-*-linux*"]) |
| 1089 | || [istarget "ft32-*-*"] |
| 1090 | || [istarget "iq2000-*-*"] |
| 1091 | || [istarget "mn10200-*-*"] |
| 1092 | || [istarget "moxie-*-*"] |
| 1093 | || [istarget "msp430-*-*"] |
| 1094 | || [istarget "mt-*-*"] |
| 1095 | || [istarget "pj*-*-*"] |
| 1096 | || [istarget "xgate-*-*"] } { |
| 1097 | return 1; |
| 1098 | } |
| 1099 | return 0; |
| 1100 | } |
| 1101 | |
| 1102 | proc is_underscore_target { } { |
| 1103 | global is_underscore_target_saved |
| 1104 | global target_triplet |
| 1105 | global srcdir |
| 1106 | |
| 1107 | if { ![info exists is_underscore_target_saved] } { |
| 1108 | set cmd "targ=$target_triplet . $srcdir/../../bfd/config.bfd &&" |
| 1109 | append cmd { echo "$targ_underscore"} |
| 1110 | verbose -log "$cmd" |
| 1111 | set status [catch {exec sh -c $cmd} result] |
| 1112 | if { $status == 0 && [string match "yes" $result] } { |
| 1113 | set is_underscore_target_saved 1 |
| 1114 | } else { |
| 1115 | set is_underscore_target_saved 0 |
| 1116 | } |
| 1117 | } |
| 1118 | return $is_underscore_target_saved |
| 1119 | } |
| 1120 | |
| 1121 | # Returns true if the target ld supports the plugin API. |
| 1122 | proc check_plugin_api_available { } { |
| 1123 | global plugin_api_available_saved |
| 1124 | global ld |
| 1125 | if {![info exists plugin_api_available_saved]} { |
| 1126 | # Check if the ld used by gcc supports --plugin. |
| 1127 | set ld_output [remote_exec host $ld "--help"] |
| 1128 | if { [ string first "-plugin PLUGIN" $ld_output ] >= 0 } { |
| 1129 | set plugin_api_available_saved 1 |
| 1130 | } else { |
| 1131 | set plugin_api_available_saved 0 |
| 1132 | } |
| 1133 | } |
| 1134 | return $plugin_api_available_saved |
| 1135 | } |
| 1136 | |
| 1137 | # Sets ld_sysroot to the current sysroot (empty if not supported) and |
| 1138 | # returns true if the target ld supports sysroot. |
| 1139 | proc check_sysroot_available { } { |
| 1140 | global ld_sysroot_available_saved ld ld_sysroot |
| 1141 | if {![info exists ld_sysroot_available_saved]} { |
| 1142 | # Check if ld supports --sysroot *other* than empty. |
| 1143 | set ld_sysroot [string trimright [lindex [remote_exec host $ld "--print-sysroot"] 1]] |
| 1144 | if { $ld_sysroot == "" } { |
| 1145 | set ld_sysroot_available_saved 0 |
| 1146 | } else { |
| 1147 | set ld_sysroot_available_saved 1 |
| 1148 | } |
| 1149 | } |
| 1150 | return $ld_sysroot_available_saved |
| 1151 | } |
| 1152 | |
| 1153 | # Return true if we can build a program with the compiler. |
| 1154 | # On some targets, CC might be defined, but libraries and startup |
| 1155 | # code might be missing or require special options that the ld test |
| 1156 | # harness doesn't know about. |
| 1157 | |
| 1158 | proc check_compiler_available { } { |
| 1159 | global compiler_available_saved |
| 1160 | global CC |
| 1161 | |
| 1162 | if {![info exists compiler_available_saved]} { |
| 1163 | if { [which $CC] == 0 } { |
| 1164 | set compiler_available_saved 0 |
| 1165 | return 0 |
| 1166 | } |
| 1167 | |
| 1168 | set flags "" |
| 1169 | if [board_info [target_info name] exists cflags] { |
| 1170 | append flags " [board_info [target_info name] cflags]" |
| 1171 | } |
| 1172 | if [board_info [target_info name] exists ldflags] { |
| 1173 | append flags " [board_info [target_info name] ldflags]" |
| 1174 | } |
| 1175 | |
| 1176 | set basename "tmpdir/compiler[pid]" |
| 1177 | set src ${basename}.c |
| 1178 | set output ${basename}.out |
| 1179 | set f [open $src "w"] |
| 1180 | puts $f "int main (void)" |
| 1181 | puts $f "{" |
| 1182 | puts $f " return 0; " |
| 1183 | puts $f "}" |
| 1184 | close $f |
| 1185 | if [is_remote host] { |
| 1186 | set src [remote_download host $src] |
| 1187 | } |
| 1188 | set compiler_available_saved [run_host_cmd_yesno "$CC" "$flags $src -o $output"] |
| 1189 | remote_file host delete $src |
| 1190 | remote_file host delete $output |
| 1191 | file delete $src |
| 1192 | } |
| 1193 | return $compiler_available_saved |
| 1194 | } |
| 1195 | |
| 1196 | # Returns 1 if plugin is enabled in gcc. Returns 0 otherwise. |
| 1197 | proc check_gcc_plugin_enabled { } { |
| 1198 | global CC |
| 1199 | |
| 1200 | if {![info exists CC]} { |
| 1201 | set CC [find_gcc] |
| 1202 | } |
| 1203 | if { $CC == ""} { |
| 1204 | return 0 |
| 1205 | } |
| 1206 | set state [remote_exec host $CC -v] |
| 1207 | if { [lindex $state 0] != 0 } { |
| 1208 | return 0; |
| 1209 | } |
| 1210 | for { set i 1 } { $i < [llength $state] } { incr i } { |
| 1211 | set v [lindex $state $i] |
| 1212 | if { [ string match "*--disable-plugin*" $v ] } { |
| 1213 | verbose "plugin is disabled by $v" |
| 1214 | return 0; |
| 1215 | } |
| 1216 | } |
| 1217 | |
| 1218 | return 1; |
| 1219 | } |
| 1220 | |
| 1221 | # Returns true if the target compiler supports LTO |
| 1222 | proc check_lto_available { } { |
| 1223 | global lto_available_saved |
| 1224 | global CC |
| 1225 | |
| 1226 | if {![info exists lto_available_saved]} { |
| 1227 | if { ![check_gcc_plugin_enabled] } { |
| 1228 | set lto_available_saved 0 |
| 1229 | return 0 |
| 1230 | } |
| 1231 | # This test will hide LTO bugs in ld. Since GCC 4.9 adds |
| 1232 | # -ffat-lto-objects, we always run LTO tests on Linux with |
| 1233 | # GCC 4.9 or newer. |
| 1234 | if { [istarget "*-*-linux*"] && [at_least_gcc_version 4 9] } { |
| 1235 | set lto_available_saved 1 |
| 1236 | return 1 |
| 1237 | } |
| 1238 | # Check if gcc supports -flto -fuse-linker-plugin |
| 1239 | set flags "" |
| 1240 | if [board_info [target_info name] exists cflags] { |
| 1241 | append flags " [board_info [target_info name] cflags]" |
| 1242 | } |
| 1243 | if [board_info [target_info name] exists ldflags] { |
| 1244 | append flags " [board_info [target_info name] ldflags]" |
| 1245 | } |
| 1246 | |
| 1247 | set basename "tmpdir/lto[pid]" |
| 1248 | set src ${basename}.c |
| 1249 | set output ${basename}.out |
| 1250 | set f [open $src "w"] |
| 1251 | puts $f "int main() { return 0; }" |
| 1252 | close $f |
| 1253 | if [is_remote host] { |
| 1254 | set src [remote_download host $src] |
| 1255 | } |
| 1256 | set lto_available_saved [run_host_cmd_yesno "$CC" "$flags -flto -fuse-linker-plugin $src -o $output"] |
| 1257 | remote_file host delete $src |
| 1258 | remote_file host delete $output |
| 1259 | file delete $src |
| 1260 | } |
| 1261 | return $lto_available_saved |
| 1262 | } |
| 1263 | |
| 1264 | # Returns true if the target compiler supports LTO -ffat-lto-objects |
| 1265 | proc check_lto_fat_available { } { |
| 1266 | global lto_fat_available_saved |
| 1267 | global CC |
| 1268 | |
| 1269 | if {![info exists lto_fat_available_saved]} { |
| 1270 | if { ![check_gcc_plugin_enabled] } { |
| 1271 | set lto_fat_available_saved 0 |
| 1272 | return 0 |
| 1273 | } |
| 1274 | # This test will hide LTO bugs in ld. Since GCC 4.9 adds |
| 1275 | # -ffat-lto-objects, we always run LTO tests on Linux with |
| 1276 | # GCC 4.9 or newer. |
| 1277 | if { [istarget "*-*-linux*"] && [at_least_gcc_version 4 9] } { |
| 1278 | set lto_fat_available_saved 1 |
| 1279 | return 1 |
| 1280 | } |
| 1281 | # Check if gcc supports -flto -fuse-linker-plugin |
| 1282 | set flags "" |
| 1283 | if [board_info [target_info name] exists cflags] { |
| 1284 | append flags " [board_info [target_info name] cflags]" |
| 1285 | } |
| 1286 | if [board_info [target_info name] exists ldflags] { |
| 1287 | append flags " [board_info [target_info name] ldflags]" |
| 1288 | } |
| 1289 | |
| 1290 | set basename "tmpdir/lto[pid]" |
| 1291 | set src ${basename}.c |
| 1292 | set output ${basename}.out |
| 1293 | set f [open $src "w"] |
| 1294 | puts $f "int main() { return 0; }" |
| 1295 | close $f |
| 1296 | if [is_remote host] { |
| 1297 | set src [remote_download host $src] |
| 1298 | } |
| 1299 | set lto_fat_available_saved [run_host_cmd_yesno "$CC" "$flags -flto -ffat-lto-objects -fuse-linker-plugin $src -o $output"] |
| 1300 | remote_file host delete $src |
| 1301 | remote_file host delete $output |
| 1302 | file delete $src |
| 1303 | } |
| 1304 | return $lto_fat_available_saved |
| 1305 | } |
| 1306 | |
| 1307 | # Returns true if the target compiler supports LTO and -shared |
| 1308 | proc check_lto_shared_available { } { |
| 1309 | global lto_shared_available_saved |
| 1310 | global CC |
| 1311 | |
| 1312 | if {![info exists lto_shared_available_saved]} { |
| 1313 | if { ![check_gcc_plugin_enabled] } { |
| 1314 | set lto_shared_available_saved 0 |
| 1315 | return 0 |
| 1316 | } |
| 1317 | # This test will hide LTO bugs in ld. Since GCC 4.9 adds |
| 1318 | # -ffat-lto-objects, we always run LTO tests on Linux with |
| 1319 | # GCC 4.9 or newer. |
| 1320 | if { [istarget "*-*-linux*"] && [at_least_gcc_version 4 9] } { |
| 1321 | set lto_shared_available_saved 1 |
| 1322 | return 1 |
| 1323 | } |
| 1324 | # Check if gcc supports -flto -fuse-linker-plugin -shared |
| 1325 | set flags "" |
| 1326 | if [board_info [target_info name] exists cflags] { |
| 1327 | append flags " [board_info [target_info name] cflags]" |
| 1328 | } |
| 1329 | if [board_info [target_info name] exists ldflags] { |
| 1330 | append flags " [board_info [target_info name] ldflags]" |
| 1331 | } |
| 1332 | |
| 1333 | set basename "tmpdir/lto_shared[pid]" |
| 1334 | set src ${basename}.c |
| 1335 | set output ${basename}.so |
| 1336 | set f [open $src "w"] |
| 1337 | puts $f "" |
| 1338 | close $f |
| 1339 | if [is_remote host] { |
| 1340 | set src [remote_download host $src] |
| 1341 | } |
| 1342 | set lto_shared_available_saved [run_host_cmd_yesno "$CC" "$flags -shared -fPIC -flto -fuse-linker-plugin $src -o $output"] |
| 1343 | remote_file host delete $src |
| 1344 | remote_file host delete $output |
| 1345 | file delete $src |
| 1346 | } |
| 1347 | return $lto_shared_available_saved |
| 1348 | } |
| 1349 | |
| 1350 | # Check if the assembler supports CFI statements. |
| 1351 | |
| 1352 | proc check_as_cfi { } { |
| 1353 | global check_as_cfi_result |
| 1354 | global as |
| 1355 | if [info exists check_as_cfi_result] { |
| 1356 | return $check_as_cfi_result |
| 1357 | } |
| 1358 | set as_file "tmpdir/check_as_cfi.s" |
| 1359 | set as_fh [open $as_file w 0666] |
| 1360 | puts $as_fh "# Generated file. DO NOT EDIT" |
| 1361 | puts $as_fh "\t.cfi_startproc" |
| 1362 | puts $as_fh "\t.cfi_endproc" |
| 1363 | close $as_fh |
| 1364 | remote_download host $as_file |
| 1365 | verbose -log "Checking CFI support:" |
| 1366 | rename "perror" "check_as_cfi_perror" |
| 1367 | proc perror { args } { } |
| 1368 | set success [ld_assemble $as $as_file "/dev/null"] |
| 1369 | rename "perror" "" |
| 1370 | rename "check_as_cfi_perror" "perror" |
| 1371 | #remote_file host delete $as_file |
| 1372 | set check_as_cfi_result $success |
| 1373 | return $success |
| 1374 | } |
| 1375 | |
| 1376 | # Returns true if IFUNC works. |
| 1377 | |
| 1378 | proc check_ifunc_available { } { |
| 1379 | global ifunc_available_saved |
| 1380 | global CC |
| 1381 | |
| 1382 | if {![info exists ifunc_available_saved]} { |
| 1383 | if { ![check_compiler_available] } { |
| 1384 | set ifunc_available_saved 0 |
| 1385 | return 0 |
| 1386 | } |
| 1387 | # Check if gcc supports -flto -fuse-linker-plugin |
| 1388 | set flags "" |
| 1389 | if [board_info [target_info name] exists cflags] { |
| 1390 | append flags " [board_info [target_info name] cflags]" |
| 1391 | } |
| 1392 | if [board_info [target_info name] exists ldflags] { |
| 1393 | append flags " [board_info [target_info name] ldflags]" |
| 1394 | } |
| 1395 | |
| 1396 | set basename "tmpdir/ifunc[pid]" |
| 1397 | set src ${basename}.c |
| 1398 | set output ${basename}.out |
| 1399 | set f [open $src "w"] |
| 1400 | puts $f "extern int library_func2 (void);" |
| 1401 | puts $f "int main (void)" |
| 1402 | puts $f "{" |
| 1403 | puts $f " if (library_func2 () != 2) __builtin_abort ();" |
| 1404 | puts $f " return 0; " |
| 1405 | puts $f "}" |
| 1406 | puts $f "static int library_func1 (void) {return 2; }" |
| 1407 | puts $f "void *foo (void) __asm__ (\"library_func2\");" |
| 1408 | puts $f "void *foo (void) { return library_func1; }" |
| 1409 | puts $f "__asm__(\".type library_func2, %gnu_indirect_function\");" |
| 1410 | close $f |
| 1411 | if [is_remote host] { |
| 1412 | set src [remote_download host $src] |
| 1413 | } |
| 1414 | set ifunc_available_saved [run_host_cmd_yesno "$CC" "$flags $src -o $output"] |
| 1415 | if { [isnative] && $ifunc_available_saved == 1 } { |
| 1416 | set ifunc_available_saved [run_host_cmd_yesno "$output" ""] |
| 1417 | } |
| 1418 | remote_file host delete $src |
| 1419 | remote_file host delete $output |
| 1420 | file delete $src |
| 1421 | } |
| 1422 | return $ifunc_available_saved |
| 1423 | } |
| 1424 | |
| 1425 | # Returns true if ifunc attribute works. |
| 1426 | |
| 1427 | proc check_ifunc_attribute_available { } { |
| 1428 | global ifunc_attribute_available_saved |
| 1429 | global CC |
| 1430 | |
| 1431 | if {![info exists ifunc_attribute_available_saved]} { |
| 1432 | if { ![check_compiler_available] } { |
| 1433 | set ifunc_attribute_available_saved 0 |
| 1434 | return 0 |
| 1435 | } |
| 1436 | # Check if gcc supports -flto -fuse-linker-plugin |
| 1437 | set flags "" |
| 1438 | if [board_info [target_info name] exists cflags] { |
| 1439 | append flags " [board_info [target_info name] cflags]" |
| 1440 | } |
| 1441 | if [board_info [target_info name] exists ldflags] { |
| 1442 | append flags " [board_info [target_info name] ldflags]" |
| 1443 | } |
| 1444 | |
| 1445 | set basename "tmpdir/ifunc[pid]" |
| 1446 | set src ${basename}.c |
| 1447 | set output ${basename}.out |
| 1448 | set f [open $src "w"] |
| 1449 | puts $f "extern int library_func2 (void) __attribute__ ((ifunc (\"foo\")));" |
| 1450 | puts $f "int main (void)" |
| 1451 | puts $f "{" |
| 1452 | puts $f " if (library_func2 () != 2) __builtin_abort ();" |
| 1453 | puts $f " return 0; " |
| 1454 | puts $f "}" |
| 1455 | puts $f "static int library_func1 (void) {return 2; }" |
| 1456 | puts $f "void *foo (void) { return library_func1; }" |
| 1457 | close $f |
| 1458 | if [is_remote host] { |
| 1459 | set src [remote_download host $src] |
| 1460 | } |
| 1461 | set ifunc_attribute_available_saved [run_host_cmd_yesno "$CC" "$flags $src -o $output"] |
| 1462 | if { [isnative] && $ifunc_attribute_available_saved == 1 } { |
| 1463 | set ifunc_attribute_available_saved [run_host_cmd_yesno "$output" ""] |
| 1464 | } |
| 1465 | remote_file host delete $src |
| 1466 | remote_file host delete $output |
| 1467 | file delete $src |
| 1468 | } |
| 1469 | return $ifunc_attribute_available_saved |
| 1470 | } |
| 1471 | |
| 1472 | # Return true if libdl is supported. |
| 1473 | |
| 1474 | proc check_libdl_available { } { |
| 1475 | global libdl_available_saved |
| 1476 | global CC |
| 1477 | |
| 1478 | if {![info exists libdl_available_saved]} { |
| 1479 | if { ![check_compiler_available] } { |
| 1480 | set libdl_available_saved 0 |
| 1481 | return 0 |
| 1482 | } |
| 1483 | |
| 1484 | set basename "tmpdir/dl_avail_test[pid]" |
| 1485 | set src ${basename}.c |
| 1486 | set output ${basename}.out |
| 1487 | set f [open $src "w"] |
| 1488 | # Sample test file. |
| 1489 | puts $f "#include <dlfcn.h>" |
| 1490 | puts $f "int main (void)" |
| 1491 | puts $f "{" |
| 1492 | puts $f " dlopen (\"dummy.so\", RTLD_NOW);" |
| 1493 | puts $f " return 0; " |
| 1494 | puts $f "}" |
| 1495 | close $f |
| 1496 | if [is_remote host] { |
| 1497 | set src [remote_download host $src] |
| 1498 | } |
| 1499 | set libdl_available_saved [run_host_cmd_yesno "$CC" "$src -o $output -ldl"] |
| 1500 | remote_file host delete $src |
| 1501 | remote_file host delete $output |
| 1502 | file delete $src |
| 1503 | } |
| 1504 | return $libdl_available_saved |
| 1505 | } |
| 1506 | |
| 1507 | # Returns true if GNU2 TLS works. |
| 1508 | |
| 1509 | proc check_gnu2_tls_available { } { |
| 1510 | global gnu2_tls_available_saved |
| 1511 | global CC |
| 1512 | global GNU2_CFLAGS |
| 1513 | |
| 1514 | if {![info exists gnu2_tls_available_saved]} { |
| 1515 | if { ![check_compiler_available] || "$GNU2_CFLAGS" == "" } { |
| 1516 | set gnu2_tls_available_saved 0 |
| 1517 | return 0 |
| 1518 | } |
| 1519 | # Check if GNU2 TLS works. |
| 1520 | set flags "$GNU2_CFLAGS" |
| 1521 | if [board_info [target_info name] exists cflags] { |
| 1522 | append flags " [board_info [target_info name] cflags]" |
| 1523 | } |
| 1524 | if [board_info [target_info name] exists ldflags] { |
| 1525 | append flags " [board_info [target_info name] ldflags]" |
| 1526 | } |
| 1527 | |
| 1528 | set basename "tmpdir/gnu2_tls[pid]" |
| 1529 | set src1 ${basename}1.c |
| 1530 | set output1 ${basename}.so |
| 1531 | set f [open $src1 "w"] |
| 1532 | puts $f "extern __thread int zzz;" |
| 1533 | puts $f "int foo (void)" |
| 1534 | puts $f "{" |
| 1535 | puts $f " return zzz;" |
| 1536 | puts $f "}" |
| 1537 | close $f |
| 1538 | if [is_remote host] { |
| 1539 | set src1 [remote_download host $src1] |
| 1540 | } |
| 1541 | set src2 ${basename}2.c |
| 1542 | set output2 ${basename}.exe |
| 1543 | set f [open $src2 "w"] |
| 1544 | puts $f "__thread int zzz = 20;" |
| 1545 | puts $f "extern int foo (void);" |
| 1546 | puts $f "int main (void)" |
| 1547 | puts $f "{" |
| 1548 | puts $f " if (foo () != 20) __builtin_abort ();" |
| 1549 | puts $f " return 0; " |
| 1550 | puts $f "}" |
| 1551 | close $f |
| 1552 | if [is_remote host] { |
| 1553 | set src2 [remote_download host $src2] |
| 1554 | } |
| 1555 | set gnu2_tls_available_saved [run_host_cmd_yesno "$CC" "-fPIC -shared $flags $src1 -o $output1"] |
| 1556 | if { $gnu2_tls_available_saved == 1 } { |
| 1557 | set gnu2_tls_available_saved [run_host_cmd_yesno "$CC" "$flags $src2 $output1 -o $output2"] |
| 1558 | if { $gnu2_tls_available_saved == 1 } { |
| 1559 | set gnu2_tls_available_saved [run_host_cmd_yesno "$output2" ""] |
| 1560 | } |
| 1561 | } |
| 1562 | remote_file host delete $src1 |
| 1563 | remote_file host delete $output1 |
| 1564 | remote_file host delete $src2 |
| 1565 | remote_file host delete $output2 |
| 1566 | file delete $src1 $src2 |
| 1567 | } |
| 1568 | return $gnu2_tls_available_saved |
| 1569 | } |