ld/testsuite/ld-x86-64/x86-64.exp

   1 # Expect script for ld-x86_64 tests
   2 #   Copyright (C) 2002-2015 Free Software Foundation, Inc.
   3 #
   4 # This file is part of the GNU Binutils.
   5 #
   6 # This program 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
  22 # Test x86_64 linking; all types of relocs.  This tests the assembler and
  23 # tools like objdump as well as the linker.
  24
  25 if { !([istarget "x86_64-*-elf*"]
  26        || [istarget "x86_64-*-nacl*"]
  27        || [istarget "x86_64-*-linux*"]) } {
  28     return
  29 }
  30
  31 if [istarget "*-*-nacl*"] {
  32     set emul "elf_x86_64_nacl"
  33 } else {
  34     set emul "elf_x86_64"
  35 }
  36
  37 # List contains test-items with 3 items followed by 2 lists:
  38 # 0:name 1:ld early options 2:ld late options 3:assembler options
  39 # 4:filenames of assembler files 5: action and options. 6: name of output file
  40
  41 # Actions:
  42 # objdump: Apply objdump options on result.  Compare with regex (last arg).
  43 # nm: Apply nm options on result.  Compare with regex (last arg).
  44 # readelf: Apply readelf options on result.  Compare with regex (last arg).
  45
  46 set x86_64tests {
  47     {"Helper shared library (basic PLT test)"
  48       "-shared -melf_x86_64" "" "--64" {pltlib.s} {} "libpltlib.so"}
  49     {"basic PLT generation"
  50      "-melf_x86_64 tmpdir/libpltlib.so" "" "--64" {plt.s}
  51      {{objdump -drj.plt plt.pd}} "plt"}
  52     {"TLS -fpic -shared transitions"
  53      "-shared -melf_x86_64 --no-ld-generated-unwind-info" ""
  54      "--64" {tlspic1.s tlspic2.s}
  55      {{readelf -WSsrl tlspic.rd} {objdump -drj.text tlspic.dd}
  56       {objdump -sj.got tlspic.sd} {objdump -sj.tdata tlspic.td}}
  57       "libtlspic.so"}
  58     {"TLS descriptor -fpic -shared transitions"
  59      "-shared -melf_x86_64 --no-ld-generated-unwind-info" ""
  60      "--64" {tlsdesc.s tlspic2.s}
  61      {{readelf -WSsrld tlsdesc.rd} {objdump -drj.text tlsdesc.dd}
  62       {objdump "-s -j.got -j.got.plt" tlsdesc.sd} {objdump -sj.tdata tlsdesc.td}
  63       {objdump -drj.plt tlsdesc.pd}} "libtlsdesc.so"}
  64     {"Helper shared library" "-shared -melf_x86_64" ""
  65      "--64" {tlslib.s} {} "libtlslib.so"}
  66     {"TLS -fpic and -fno-pic exec transitions"
  67      "-melf_x86_64 tmpdir/libtlslib.so --no-ld-generated-unwind-info" ""
  68      "--64" {tlsbinpic.s tlsbin.s}
  69      {{readelf -WSsrl tlsbin.rd} {objdump -drj.text tlsbin.dd}
  70       {objdump -sj.got tlsbin.sd} {objdump -sj.tdata tlsbin.td}}
  71       "tlsbin"}
  72     {"TLS descriptor -fpic and -fno-pic exec transitions"
  73      "-melf_x86_64 tmpdir/libtlslib.so --no-ld-generated-unwind-info" ""
  74      "--64" {tlsbindesc.s tlsbin.s}
  75      {{readelf -WSsrl tlsbindesc.rd} {objdump -drj.text tlsbindesc.dd}
  76       {objdump -sj.got tlsbindesc.sd} {objdump -sj.tdata tlsbindesc.td}}
  77       "tlsbindesc"}
  78     {"TLS with global dynamic and descriptors"
  79      "-shared -melf_x86_64 --no-ld-generated-unwind-info" ""
  80      "--64" {tlsgdesc.s}
  81      {{readelf -WSsrl tlsgdesc.rd} {objdump -drj.text tlsgdesc.dd}}
  82       "libtlsgdesc.so"}
  83     {"TLS in debug sections" "-melf_x86_64" ""
  84      "--64" {tlsg.s}
  85      {{objdump -sj.debug_foobar tlsg.sd}} "tlsg"}
  86     {"TLS GD->LE transition" "-melf_x86_64" ""
  87      "--64" {tlsgd1.s}
  88      {{objdump -dwr tlsgd1.dd}} "tlsgd1"}
  89     {"TLS LD->LE transition" "-melf_x86_64" ""
  90      "--64" {tlsld1.s}
  91      {{objdump -dwr tlsld1.dd}} "tlsld1"}
  92     {"TLS IE->LE transition" "-melf_x86_64" ""
  93      "--64" {tlsie1.s}
  94      {{objdump -dwr tlsie1.dd}} "tlsie1"}
  95     {"Helper 64bit object 1" "-r -melf_x86_64" ""
  96      "--64" {mixed1a.s} {} "libmixe1a.o"}
  97     {"Helper 32bit object 1" "-r -melf_i386" ""
  98      "--32" {mixed1b.s} {} "libmixe1b.o"}
  99     {"Helper 64bit object 2" "-r -melf_x86_64" ""
 100      "--64" {mixed2a.s} {} "libmixe2a.o"}
 101     {"Helper 32bit object 2" "-r -melf_i386" ""
 102      "--32" {mixed2b.s} {} "libmixe2b.o"}
 103     {"Split by file with 'l' flag on section."
 104      "-split-by-file -r -melf_x86_64" ""
 105      "--64" {split-by-file1.s split-by-file2.s}
 106      {{readelf -SW split-by-file.rd}} "split-by-file.o"}
 107     {"TLS X32 IE->LE transition" "-melf32_x86_64" ""
 108      "--x32" {tlsie4.s}
 109      {{objdump -dwr tlsie4.dd}} "tlsie4"}
 110     {"TLS X32 GD->LE transition" "-melf32_x86_64" ""
 111      "--x32" {tlsgd4.s}
 112      {{objdump -dwr tlsgd4.dd}} "tlsgd4"}
 113     {"Helper TLS GD->IE transition DSO" "-shared -melf_x86_64" ""
 114      "--64" {tlsgd5b.s} {} "libtlsgd5.so"}
 115     {"TLS GD->IE transition" "-melf_x86_64 tmpdir/libtlsgd5.so" ""
 116      "--64" {tlsgd5a.s}
 117      {{objdump -dwr tlsgd5.dd}} "tlsgd5"}
 118     {"Helper TLS X32 GD->IE transition DSO" "-shared -melf32_x86_64" ""
 119      "--x32" {tlsgd6b.s} {} "libtlsgd6.so"}
 120     {"TLS X32 GD->IE transition" "-melf32_x86_64 tmpdir/libtlsgd6.so" ""
 121      "--x32" {tlsgd6a.s}
 122      {{objdump -dwr tlsgd6.dd}} "tlsgd6"}
 123     {"TLS X32 LD->LE transition" "-melf32_x86_64" ""
 124      "--x32" {tlsld2.s}
 125      {{objdump -dwr tlsld2.dd}} "tlsld2"}
 126     {"TLS -mcmodel=large GD->LE transition" "-melf_x86_64" ""
 127      "--64" {tlsgd7.s}
 128      {{objdump -dwr tlsgd7.dd}} "tlsgd7"}
 129     {"TLS -mcmodel=large LD->LE transition" "-melf_x86_64" ""
 130      "--64" {tlsld3.s}
 131      {{objdump -dwr tlsld3.dd}} "tlsld3"}
 132     {"TLS -mcmodel=large GD->IE transition" "-melf_x86_64 tmpdir/libtlsgd5.so" ""
 133      "--64" {tlsgd8.s}
 134      {{objdump -dwrj.text tlsgd8.dd}} "tlsgd8"}
 135
 136      {"build 32-bit object with 33 locals" "-melf_x86_64 -e 0" "" "--32" {32bit.s} {{ ld incompatible.l }} "dummy" }
 137      {"build 64-bit object" "-melf_x86_64 -e 0 --defsym foo=1" "" "--64" {64bit.s} {} "dummy" }
 138      {"link mixed objects"  "-melf_x86_64 -e 0 tmpdir/32bit.o tmpdir/64bit.o" "" "" {} { { ld incompatible.l } } "mixed"}
 139     {"PR ld/17313 (1)" "-melf_x86_64" ""
 140      "--64" {dummy.s} {} ""}
 141     {"PR ld/17313 (2)" "-melf_x86_64 -shared --just-symbols=tmpdir/dummy.o" ""
 142      "--64" {lea1.s} {} "libpr17313.so"}
 143     {"PR ld/17306 (1)" "-melf_x86_64" ""
 144      "--64" {pr17306b.s} {} ""}
 145     {"PR ld/17306 (2)" "-melf_x86_64 -shared -Bsymbolic --just-symbols=tmpdir/pr17306b.o" ""
 146      "--64" {pr17306a.s} {} "libpr17306.so"}
 147 }
 148
 149 # So as to avoid rewriting every last test case here in a nacl variant,
 150 # we use black magic to massage the generic cases into nacl-variant cases.
 151 if [istarget "*-*-nacl*"] {
 152     set emul elf_x86_64_nacl
 153
 154     set lhs {elf(32)?_(i386|x86_64)[[:>:]]}
 155     set rhs {&_nacl}
 156
 157     # Change all the -melf_x86_64 to -melf_x86_64_nacl so linking can succeed.
 158     regsub -all -- $lhs $x86_64tests $rhs x86_64tests
 159
 160     # Same, applied to all the run_dump_test cases.
 161     set options_regsub(ld) [list $lhs $rhs]
 162
 163     # The section/segment layout differs too much for the vanilla
 164     # readelf output files to match.  So massage the cases so that
 165     # they refer to a foo-nacl.rd file instead of a foo.rd file.
 166     regsub -all -- {([a-z0-9]+)\.rd} $x86_64tests {\1-nacl.rd} x86_64tests
 167
 168     # Likewise for PLTs.
 169     regsub -all -- {([a-z0-9]+)\.pd} $x86_64tests {\1-nacl.pd} x86_64tests
 170 } else {
 171     set emul elf_x86_64
 172 }
 173
 174 run_ld_link_tests $x86_64tests
 175
 176 global link_output
 177 global ld
 178
 179 set test_name "Mixed x86_64 and i386 input test 1"
 180 set test mixed1
 181 if { ![ld_simple_link $ld tmpdir/$test "-m$emul tmpdir/${test}a.o tmpdir/${test}b.o"] } {
 182     if [string match "*i386* architecture of input file `tmpdir/${test}b.o' is incompatible with i386:x86-64* output*" $link_output] {
 183         pass "$test_name"
 184     } {
 185         fail "$test_name"
 186     }
 187 }
 188
 189 set test_name "Mixed x86_64 and i386 input test 2"
 190 set test mixed2
 191 if { ![ld_simple_link $ld tmpdir/$test "-m$emul tmpdir/${test}a.o tmpdir/${test}b.o"] } {
 192     if [string match "*i386* architecture of input file `tmpdir/${test}b.o' is incompatible with i386:x86-64* output*" $link_output] {
 193         pass "$test_name"
 194     } {
 195         fail "$test_name"
 196     }
 197 }
 198
 199 run_dump_test "abs"
 200 run_dump_test "abs-l1om"
 201 run_dump_test "pcrel8"
 202 run_dump_test "pcrel16"
 203 run_dump_test "tlsgd2"
 204 run_dump_test "tlsgd3"
 205 run_dump_test "tlsie2"
 206 run_dump_test "tlsie3"
 207 run_dump_test "hidden1"
 208 run_dump_test "hidden2"
 209 run_dump_test "hidden3"
 210 run_dump_test "protected1"
 211 run_dump_test "protected2"
 212 run_dump_test "protected2-l1om"
 213 run_dump_test "protected3"
 214 run_dump_test "protected3-l1om"
 215 run_dump_test "protected4"
 216 run_dump_test "protected5"
 217 run_dump_test "tlsle1"
 218 run_dump_test "tlspie1"
 219 run_dump_test "unique1"
 220 run_dump_test "nogot1"
 221 run_dump_test "nogot2"
 222 run_dump_test "discarded1"
 223 run_dump_test "pr12718"
 224 run_dump_test "pr12921"
 225 run_dump_test "pr13947"
 226 run_dump_test "pr12570a"
 227 run_dump_test "pr12570b"
 228 run_dump_test "pr14215"
 229 run_dump_test "pr14207"
 230 run_dump_test "gotplt1"
 231 run_dump_test "pie1"
 232
 233 if { ![istarget "x86_64-*-linux*"] && ![istarget "x86_64-*-nacl*"]} {
 234     return
 235 }
 236
 237 if ![ld_assemble $as "--x32 $srcdir/$subdir/start.s" tmpdir/startx32.o] {
 238     unresolved "Build ILP32 start.o"
 239     return
 240 }
 241
 242 if ![ld_assemble $as "--32 $srcdir/$subdir/start.s" tmpdir/start32.o] {
 243     unresolved "Build ia32 start.o"
 244     return
 245 }
 246
 247 if ![ld_assemble $as "--64 $srcdir/$subdir/start.s" tmpdir/start64.o] {
 248     unresolved "Build LP64 start.o"
 249     return
 250 }
 251
 252 if ![ld_assemble $as "--x32 $srcdir/$subdir/foo.s" tmpdir/foox32.o] {
 253     unresolved "Build ILP32 foo.o"
 254     return
 255 }
 256
 257 if ![ld_assemble $as "--32 $srcdir/$subdir/foo.s" tmpdir/foo32.o] {
 258     unresolved "Build ia32 foo.o"
 259     return
 260 }
 261
 262 if ![ld_assemble $as "--64 $srcdir/$subdir/foo.s" tmpdir/foo64.o] {
 263     unresolved "Build LP64 foo.o"
 264     return
 265 }
 266
 267 run_dump_test "compressed1"
 268 run_dump_test "ilp32-1"
 269 run_dump_test "ilp32-2"
 270 run_dump_test "ilp32-3"
 271 run_dump_test "ilp32-4"
 272 run_dump_test "ilp32-4-nacl"
 273 run_dump_test "ilp32-5"
 274 run_dump_test "ilp32-6"
 275 run_dump_test "ilp32-7"
 276 run_dump_test "ilp32-8"
 277 run_dump_test "ilp32-9"
 278 run_dump_test "ilp32-10"
 279 run_dump_test "ilp32-11"
 280 run_dump_test "ia32-1"
 281 run_dump_test "ia32-2"
 282 run_dump_test "ia32-3"
 283 run_dump_test "lp64-1"
 284 run_dump_test "lp64-2"
 285 run_dump_test "lp64-3"
 286 run_dump_test "pr13082-1a"
 287 run_dump_test "pr13082-1b"
 288 run_dump_test "pr13082-2a"
 289 run_dump_test "pr13082-2b"
 290 run_dump_test "pr13082-3a"
 291 run_dump_test "pr13082-3b"
 292 run_dump_test "pr13082-4a"
 293 run_dump_test "pr13082-4b"
 294 run_dump_test "pr13082-5a"
 295 run_dump_test "pr13082-5b"
 296 run_dump_test "pr13082-6a"
 297 run_dump_test "pr13082-6b"
 298 run_dump_test "lea1a"
 299 run_dump_test "lea1b"
 300 run_dump_test "lea1c"
 301 run_dump_test "lea1d"
 302 run_dump_test "lea1e"
 303 run_dump_test "lea1f"
 304 run_dump_test "lea1g"
 305 run_dump_test "lea1h"
 306 run_dump_test "lea1i"
 307 run_dump_test "lea1j"
 308 run_dump_test "lea1k"
 309 run_dump_test "lea1l"
 310 run_dump_test "mov1a"
 311 run_dump_test "mov1b"
 312 run_dump_test "mov1c"
 313 run_dump_test "mov1d"
 314
 315 # Must be native with the C compiler
 316 if { [isnative] && [which $CC] != 0 } {
 317     run_cc_link_tests {
 318         {"Helper X32 DSO from x86-64 object" "" "-m64 -fPIC -g"
 319          {simple.c} {} "libsimple.a"}
 320     }
 321
 322     set convertx32 "$objcopy -O elf32-x86-64 tmpdir/simple.o tmpdir/simple-x32.o"
 323     send_log "$convertx32\n"
 324     set got [remote_exec host "$convertx32"]
 325     if { [lindex $got 0] != 0 || ![string match "" [lindex $got 1]] } then {
 326         send_log "$got\n"
 327         fail "Convert x86-64 object to x32"
 328         return
 329     }
 330
 331     run_ld_link_tests {
 332         {"X32 DSO from x86-64 object"
 333          "-shared -melf32_x86_64 tmpdir/simple-x32.o" "" "--x32"
 334         {dummy.s} {{readelf {-s --wide} x86-64-x32.rd}} "x86-64-x32"}
 335     }
 336
 337     run_cc_link_tests [list \
 338         [list \
 339             "Build plt-lib.so" \
 340             "-shared" \
 341             "-fPIC" \
 342             { plt-lib.c } \
 343             {} \
 344             "libplt-lib.so" \
 345         ] \
 346         [list \
 347             "Build libplt-main1.a" \
 348             "" \
 349             "-fPIC" \
 350             { plt-main1.c } \
 351             {{readelf {-Wr} plt-main1.rd}} \
 352             "libplt-main1.a" \
 353         ] \
 354         [list \
 355             "Build libplt-main2.a" \
 356             "" \
 357             "-fPIC" \
 358             { plt-main2.c } \
 359             {{readelf {-Wr} plt-main2.rd}} \
 360             "libplt-main2.a" \
 361         ] \
 362         [list \
 363             "Build libplt-main3.a" \
 364             "" \
 365             "-fPIC" \
 366             { plt-main3.c } \
 367             {{readelf {-Wr} plt-main3.rd}} \
 368             "libplt-main3.a" \
 369         ] \
 370         [list \
 371             "Build libplt-main4.a" \
 372             "" \
 373             "-fPIC" \
 374             { plt-main4.c } \
 375             {{readelf {-Wr} plt-main4.rd}} \
 376             "libplt-main4.a" \
 377         ] \
 378         [list \
 379             "Build plt-main" \
 380             "tmpdir/plt-main1.o tmpdir/plt-main2.o tmpdir/plt-main3.o \
 381              tmpdir/plt-main4.o tmpdir/libplt-lib.so" \
 382             "" \
 383             { plt-main5.c } \
 384             {{readelf {-Wr} plt-main.rd}} \
 385             "plt-main" \
 386         ] \
 387         [list \
 388             "Build plt-main with PIE" \
 389             "tmpdir/plt-main1.o tmpdir/plt-main2.o tmpdir/plt-main3.o \
 390              tmpdir/plt-main4.o tmpdir/libplt-lib.so -pie" \
 391             "-fPIC" \
 392             { plt-main5.c } \
 393             {{readelf {-Wr} plt-main.rd}} \
 394             "plt-main" \
 395         ] \
 396         [list \
 397             "Build copyreloc-lib.so" \
 398             "-shared" \
 399             "-fPIC" \
 400             { copyreloc-lib.c } \
 401             {} \
 402             "copyreloc-lib.so" \
 403         ] \
 404         [list \
 405             "Build copyreloc-main with PIE without -fPIE (1)" \
 406             "tmpdir/copyreloc-lib.so -pie" \
 407             "" \
 408             { copyreloc-main.S } \
 409             {{readelf {-Wr} copyreloc-main1.rd}} \
 410             "copyreloc-main" \
 411         ] \
 412         [list \
 413             "Build copyreloc-main with PIE without -fPIE (2)" \
 414             "tmpdir/copyreloc-lib.so -pie" \
 415             "" \
 416             { copyreloc-main.S } \
 417             {{readelf {-Wr} copyreloc-main2.rd}} \
 418             "copyreloc-main" \
 419         ] \
 420         [list \
 421             "Build pr17689.so" \
 422             "-shared" \
 423             "-fPIC" \
 424             { pr17689a.c } \
 425             {} \
 426             "pr17689.so" \
 427         ] \
 428         [list \
 429             "Build pr17689 with PIE without -fPIE" \
 430             "tmpdir/pr17689.so -pie" \
 431             "" \
 432             { pr17689b.S } \
 433             {{readelf {-Wr} pr17689.rd}} \
 434             "pr17689" \
 435         ] \
 436         [list \
 437             "Build pr17827 with PIE without -fPIE" \
 438             "tmpdir/pr17689.so -pie" \
 439             "" \
 440             { pr17689b.S } \
 441             {{readelf {-Wr} pr17827.rd}} \
 442             "pr17827" \
 443         ] \
 444     ]
 445
 446     run_ld_link_exec_tests [] [list \
 447         [list \
 448             "Run plt-main" \
 449             "tmpdir/plt-main1.o tmpdir/plt-main2.o tmpdir/plt-main3.o \
 450              tmpdir/plt-main4.o tmpdir/libplt-lib.so" \
 451             "" \
 452             { plt-main5.c } \
 453             "plt-main" \
 454             "plt-main.out" \
 455         ] \
 456         [list \
 457             "Run plt-main with PIE" \
 458             "tmpdir/plt-main1.o tmpdir/plt-main2.o tmpdir/plt-main3.o \
 459              tmpdir/plt-main4.o tmpdir/libplt-lib.so -pie" \
 460             "" \
 461             { plt-main5.c } \
 462             "plt-main-pie" \
 463             "plt-main.out" \
 464             "-fPIC" \
 465         ] \
 466         [list \
 467             "Run copyreloc-main with PIE without -fPIE" \
 468             "tmpdir/copyreloc-lib.so -pie" \
 469             "" \
 470             { copyreloc-main.S } \
 471             "copyreloc-main" \
 472             "copyreloc-main.out" \
 473         ] \
 474         [list \
 475             "Run pr17689 with PIE without -fPIE" \
 476             "tmpdir/pr17689.so -pie" \
 477             "" \
 478             { pr17689b.S } \
 479             "pr17689" \
 480             "pr17689.out" \
 481         ] \
 482     ]
 483
 484     if { [istarget "x86_64-*-linux*"] \
 485          && ![istarget "x86_64-*-linux*-gnux32"]} {
 486
 487         run_cc_link_tests [list \
 488             [list \
 489                 "Build plt-main with -z bndplt" \
 490                 "tmpdir/plt-main1.o tmpdir/plt-main2.o tmpdir/plt-main3.o \
 491                  tmpdir/plt-main4.o tmpdir/libplt-lib.so -z bndplt" \
 492                 "" \
 493                 { plt-main5.c } \
 494                 {{objdump {-drw} plt-main-bnd.dd}} \
 495                 "plt-main-bnd" \
 496             ] \
 497             [list \
 498                 "Build plt-main with PIE and -z bndplt" \
 499                 "tmpdir/plt-main1.o tmpdir/plt-main2.o tmpdir/plt-main3.o \
 500                  tmpdir/plt-main4.o tmpdir/libplt-lib.so -z bndplt -pie" \
 501                 "-fPIC" \
 502                 { plt-main5.c } \
 503                 {{objdump {-drw} plt-main-bnd.dd}} \
 504                 "plt-main-pie-bnd" \
 505             ] \
 506         ]
 507
 508         run_ld_link_exec_tests [] [list \
 509             [list \
 510                 "Run plt-main with -z bndplt" \
 511                 "tmpdir/plt-main1.o tmpdir/plt-main2.o tmpdir/plt-main3.o \
 512                  tmpdir/plt-main4.o tmpdir/libplt-lib.so -z bndplt" \
 513                 "" \
 514                 { plt-main5.c } \
 515                 "plt-main-bnd" \
 516                 "plt-main.out" \
 517             ] \
 518             [list \
 519                 "Run plt-main with PIE and -z bndplt" \
 520                 "tmpdir/plt-main1.o tmpdir/plt-main2.o tmpdir/plt-main3.o \
 521                  tmpdir/plt-main4.o tmpdir/libplt-lib.so -z bndplt -pie" \
 522                 "" \
 523                 { plt-main5.c } \
 524                 "plt-main-pie-bnd" \
 525                 "plt-main.out" \
 526                 "-fPIC" \
 527             ] \
 528         ]
 529     }
 530 }
 531
 532 if { ![istarget "x86_64-*-linux*"]} {
 533     return
 534 }
 535
 536 # Linux only tests
 537 run_dump_test "pr17618"