ld/testsuite/ld-elf/linux-x86.exp

   1 # Expect script for simple native Linux/x86 tests.
   2 #   Copyright (C) 2018-2025 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 # Linux/x86 tests.
  23 if { ![istarget "i?86-*-linux*"] \
  24        && ![istarget "x86_64-*-linux*"] \
  25        && ![istarget "amd64-*-linux*"] } {
  26     return
  27 }
  28
  29 run_ld_link_tests [list \
  30     [list \
  31         "Build pr24920.so" \
  32         "-shared" \
  33         "" \
  34         "" \
  35         {dummy.s} \
  36         {} \
  37         "pr24920.so" \
  38     ] \
  39     [list \
  40         "Build pr24920" \
  41         "-static " \
  42         "-Bdynamic tmpdir/pr24920.so" \
  43         "" \
  44         {start.s} \
  45         {{ld pr24920.err}} \
  46         "pr24920" \
  47     ] \
  48 ]
  49
  50 # Test very simple native Linux/x86 programs with linux-x86.S.
  51 run_ld_link_exec_tests [list \
  52     [list \
  53         "Run PR ld/23428 test" \
  54         "--no-dynamic-linker -z separate-code -z noexecstack" \
  55         "" \
  56         { linux-x86.S pr23428.c dummy.s } \
  57         "pr23428" \
  58         "pass.out" \
  59         "$NOPIE_CFLAGS $NOSANITIZE_CFLAGS -fno-asynchronous-unwind-tables" \
  60         "asm" \
  61     ] \
  62 ]
  63
  64 run_ld_link_tests [list \
  65     [list \
  66         "Build x86-feature-1" \
  67         "-z separate-code -z shstk" \
  68         "" \
  69         "-mx86-used-note=yes" \
  70         { start.s } \
  71         {{readelf -n x86-feature-1a.rd}} \
  72         "x86-feature-1" \
  73     ] \
  74 ]
  75
  76 run_cc_link_tests [list \
  77     [list \
  78         "Build indirect-extern-access-1.so" \
  79         "-shared -z noexecstack" \
  80         "-fPIC" \
  81         { indirect-extern-access-1a.c } \
  82         {} \
  83         "indirect-extern-access-1.so" \
  84     ] \
  85     [list \
  86         "Build indirect-extern-access-1a without PIE" \
  87         "$NOPIE_LDFLAGS -Wl,--no-as-needed -z noexecstack \
  88          tmpdir/indirect-extern-access-1.so" \
  89         "$NOPIE_CFLAGS" \
  90         { indirect-extern-access.S indirect-extern-access-1b.c } \
  91         {{readelf -rn indirect-extern-access-1.rd}} \
  92         "indirect-extern-access-1a" \
  93     ] \
  94     [list \
  95         "Build indirect-extern-access-2.so" \
  96         "-shared" \
  97         "-fPIC" \
  98         { indirect-extern-access-2a.c } \
  99         {} \
 100         "indirect-extern-access-2.so" \
 101     ] \
 102     [list \
 103         "Build indirect-extern-access-2a without PIE" \
 104         "$NOPIE_LDFLAGS -Wl,--no-as-needed -z noexecstack \
 105          tmpdir/indirect-extern-access-2.so" \
 106         "$NOPIE_CFLAGS" \
 107         { indirect-extern-access.S indirect-extern-access-1b.c } \
 108         {{readelf -rn indirect-extern-access-2.rd}} \
 109         "indirect-extern-access-2a" \
 110     ] \
 111     [list \
 112         "Build indirect-extern-access-2b with PIE" \
 113         "-pie -Wl,--no-as-needed -z noexecstack \
 114          tmpdir/indirect-extern-access-2.so" \
 115         "-fpie" \
 116         { indirect-extern-access.S indirect-extern-access-2b.c } \
 117         {{readelf -rn indirect-extern-access-3.rd}} \
 118         "indirect-extern-access-2b" \
 119     ] \
 120     [list \
 121         "Build pr28158.so" \
 122         "-shared -Wl,-version-script,pr27128.t" \
 123         "-fPIC" \
 124         { pr28158-1.c } \
 125         {} \
 126         "pr28158.so" \
 127     ] \
 128     [list \
 129         "Build pr28158" \
 130         "$NOPIE_LDFLAGS -Wl,--no-as-needed  \
 131          tmpdir/pr28158.so" \
 132         "" \
 133         { pr28158-2.S } \
 134         {{readelf {--dyn-syms -W} pr28158.rd} {nm -D pr28158.nd}} \
 135         "pr28158" \
 136     ] \
 137     [list \
 138         "Build pr29377.o" \
 139         "-r -nostdlib -Wl,-z,noexecstack" \
 140         "" \
 141         {pr29377a.c indirect-extern-access.S} \
 142         {} \
 143         "pr29377.o" \
 144     ] \
 145     [list \
 146         "Build pr29377" \
 147         "$NOPIE_LDFLAGS tmpdir/pr29377.o" \
 148         "-fPIC" \
 149         {pr29377b.c} \
 150         {} \
 151         "pr29377" \
 152     ] \
 153 ]
 154
 155 run_ld_link_exec_tests [list \
 156     [list \
 157         "Run indirect-extern-access-1a without PIE" \
 158         "$NOPIE_LDFLAGS -z noexecstack" \
 159         "" \
 160         { indirect-extern-access.S indirect-extern-access-1b.c } \
 161         "indirect-extern-access-1a" \
 162         "pass.out" \
 163         "$NOPIE_CFLAGS" \
 164         "" \
 165         "" \
 166         "tmpdir/indirect-extern-access-1.so" \
 167     ] \
 168     [list \
 169         "Run indirect-extern-access-1b with PIE" \
 170         "-pie -z noexecstack" \
 171         "" \
 172         { indirect-extern-access.S indirect-extern-access-1b.c } \
 173         "indirect-extern-access-1b" \
 174         "pass.out" \
 175         "-fpie" \
 176         "" \
 177         "" \
 178         "tmpdir/indirect-extern-access-1.so" \
 179     ] \
 180     [list \
 181         "Run indirect-extern-access-2a without PIE" \
 182         "$NOPIE_LDFLAGS -z noexecstack" \
 183         "" \
 184         { indirect-extern-access.S indirect-extern-access-2b.c } \
 185         "indirect-extern-access-2a" \
 186         "pass.out" \
 187         "$NOPIE_CFLAGS" \
 188         "" \
 189         "" \
 190         "tmpdir/indirect-extern-access-2.so" \
 191     ] \
 192     [list \
 193         "Run indirect-extern-access-2b with PIE" \
 194         "-pie -z noexecstack" \
 195         "" \
 196         { indirect-extern-access.S indirect-extern-access-2b.c } \
 197         "indirect-extern-access-2b" \
 198         "pass.out" \
 199         "-fpie" \
 200         "" \
 201         "" \
 202         "tmpdir/indirect-extern-access-2.so" \
 203     ] \
 204 ]
 205
 206 # Run-time tests which require working ifunc attribute support.
 207 if { [check_ifunc_attribute_available] } {
 208     run_ld_link_exec_tests [list \
 209         [list \
 210             "Run pr29797" \
 211             "-s" \
 212             "" \
 213             { pr29797.c } \
 214             "pr29797" \
 215             "pass.out" \
 216             "-O0" \
 217         ] \
 218     ]
 219 }
 220
 221 # Old gcc silently ignores __attribute__ ((aligned())) with too big alignment.
 222 proc compiler_honours_aligned { } {
 223     global CC_FOR_TARGET READELF srcdir subdir
 224     ld_compile $CC_FOR_TARGET $srcdir/$subdir/p_align-1.c tmpdir/p_align-1.o
 225     set output [run_host_cmd "$READELF" "-SW tmpdir/p_align-1.o"]
 226     if { [regexp { [.]data *PROGBITS .* 8388608[\n]} $output] } {
 227         return 1
 228     }
 229     return 0
 230 }
 231
 232 if { [check_compiler_available] && [compiler_honours_aligned] } {
 233     run_ld_link_exec_tests [list \
 234         [list \
 235             "Run p_align-1a without PIE" \
 236             "$NOPIE_LDFLAGS" \
 237             "" \
 238             { p_align-1.c } \
 239             "p_align-1a" \
 240             "pass.out" \
 241             "$NOPIE_CFLAGS" \
 242         ] \
 243         [list \
 244             "Run p_align-1b with PIE" \
 245             "-pie" \
 246             "" \
 247             { p_align-1.c } \
 248             "p_align-1b" \
 249             "pass.out" \
 250             "-fpie" \
 251         ] \
 252         [list \
 253             "Run p_align-1c with -Wl,-z,max-page-size=0x1000 without PIE" \
 254             "$NOPIE_LDFLAGS -Wl,-z,max-page-size=0x1000" \
 255             "" \
 256             { p_align-1.c } \
 257             "p_align-1c" \
 258             "pass.out" \
 259             "$NOPIE_CFLAGS" \
 260         ] \
 261         [list \
 262             "Run p_align-1d with -Wl,-z,max-page-size=0x1000 with PIE" \
 263             "-pie -Wl,-z,max-page-size=0x1000" \
 264             "" \
 265             { p_align-1.c } \
 266             "p_align-1d" \
 267             "pass.out" \
 268             "-fpie" \
 269         ] \
 270     ]
 271 } else {
 272     unsupported "p_align-1"
 273 }
 274
 275 proc elfedit_test { options test output } {
 276     global ELFEDIT
 277     global READELF
 278     global srcdir
 279     global subdir
 280
 281     set test_name "elfedit $options"
 282     send_log "$ELFEDIT $options tmpdir/$test\n"
 283     set got [remote_exec host "$ELFEDIT $options tmpdir/$test" "" "/dev/null"]
 284     if { [lindex $got 0] != 0 || ![string match "" [lindex $got 1]] } then {
 285         send_log "$got\n"
 286         fail "$test_name"
 287     }
 288     send_log "$READELF -n $options tmpdir/$test > tmpdir/$output.out\n"
 289     set got [remote_exec host "$READELF -n tmpdir/$test" "" "/dev/null" "tmpdir/$output.out"]
 290     if { [lindex $got 0] != 0 || ![string match "" [lindex $got 1]] } then {
 291         send_log "$got\n"
 292         fail "$test_name"
 293 }
 294     if { [regexp_diff tmpdir/$output.out $srcdir/$subdir/$output.rd] } then {
 295         fail "$test_name"
 296     } else {
 297         pass "$test_name"
 298     }
 299 }
 300
 301 elfedit_test "--enable-x86-feature ibt --disable-x86-feature shstk" \
 302                 x86-feature-1 x86-feature-1b
 303 elfedit_test "--enable-x86-feature ibt" x86-feature-1 x86-feature-1b
 304 elfedit_test "--disable-x86-feature shstk" x86-feature-1 x86-feature-1c
 305 elfedit_test "--disable-x86-feature ibt" x86-feature-1 x86-feature-1d
 306 elfedit_test "--enable-x86-feature ibt --enable-x86-feature shstk" \
 307                 x86-feature-1 x86-feature-1e
 308
 309 proc check_pr25749a {testname srcfilea srcfileb cflags ldflags lderror} {
 310     global objcopy
 311     global srcdir
 312     global subdir
 313
 314     if { [istarget "i?86-*-linux*"] } {
 315         set output_arch "i386:i386"
 316         set output_target "elf32-i386"
 317     } else {
 318         set output_arch "i386:x86-64"
 319         if {[istarget "x86_64-*-linux*-gnux32"]} {
 320             set output_target "elf32-x86-64"
 321         } else {
 322             set output_target "elf64-x86-64"
 323         }
 324     }
 325
 326     # Suppress warning for unsupported attribute from older GCC.
 327     append cflags " -w"
 328
 329     exec cp $srcdir/$subdir/$srcfilea $srcfilea
 330     exec chmod +w $srcfilea
 331     set pr25749_bin "$objcopy -B $output_arch -I binary -O $output_target $srcfilea tmpdir/pr25749-bin.o"
 332     send_log "$pr25749_bin\n"
 333     set got [remote_exec host "$pr25749_bin"]
 334     if { [lindex $got 0] != 0 || ![string match "" [lindex $got 1]] } then {
 335         send_log "$got\n"
 336         fail "Convert $srcfilea to $output_target"
 337         return
 338     }
 339
 340     if {"$lderror" == ""} {
 341         run_cc_link_tests [list \
 342             [list \
 343                 "Build $testname ($ldflags $cflags)" \
 344                 "$ldflags tmpdir/pr25749-bin.o -z noexecstack" \
 345                 "$cflags -I../bfd" \
 346                 [list $srcfilea $srcfileb]\
 347                 {{readelf {-Wr} pr25749.rd}}  \
 348                 "${testname}a" \
 349             ] \
 350         ]
 351         run_ld_link_exec_tests [list \
 352             [list \
 353                 "Run ${testname}a ($ldflags $cflags)" \
 354                 "$ldflags tmpdir/pr25749-bin.o -z noexecstack" \
 355                 "" \
 356                 [list $srcfilea $srcfileb]\
 357                 "${testname}a" \
 358                 "pass.out" \
 359                 "$cflags -I../bfd" \
 360             ] \
 361         ]
 362     } else {
 363         run_cc_link_tests [list \
 364             [list \
 365                 "Build $testname ($ldflags $cflags)" \
 366                 "$ldflags tmpdir/pr25749-bin.o -z noexecstack" \
 367                 "$cflags -I../bfd" \
 368                 [list $srcfilea $srcfileb]\
 369                 [list [list error_output $lderror]] \
 370                 "$testname" \
 371             ] \
 372         ]
 373     }
 374 }
 375
 376 check_pr25749a "pr25749-1a" "pr25749-1.c" "pr25749-1a.c" "$NOPIE_CFLAGS" "$NOPIE_LDFLAGS" ""
 377 check_pr25749a "pr25749-1a" "pr25749-1.c" "pr25749-1a.c" "-fPIE" "-pie" ""
 378 check_pr25749a "pr25749-1b" "pr25749-1.c" "pr25749-1b.c" "$NOPIE_CFLAGS" "$NOPIE_LDFLAGS" ""
 379 if { [istarget "i?86-*-linux*"] || ![at_least_gcc_version 5 1] } {
 380     check_pr25749a "pr25749-1b" "pr25749-1.c" "pr25749-1b.c" "-fPIE" "-pie" ""
 381 } else {
 382     check_pr25749a "pr25749-1b" "pr25749-1.c" "pr25749-1b.c" "-fPIE" "-pie" "pr25749-1b.err"
 383 }
 384 check_pr25749a "pr25749-1c" "pr25749-1.c" "pr25749-1c.c" "-fPIC" "-shared" "pr25749-1b.err"
 385 check_pr25749a "pr25749-2a" "pr25749-2.c" "pr25749-2a.s" "$NOPIE_CFLAGS" "$NOPIE_LDFLAGS" ""
 386 check_pr25749a "pr25749-2a" "pr25749-2.c" "pr25749-2a.s" "-fPIE" "-pie" ""
 387 check_pr25749a "pr25749-2b" "pr25749-2.c" "pr25749-2b.s" "$NOPIE_CFLAGS" "$NOPIE_LDFLAGS" ""
 388 check_pr25749a "pr25749-2b" "pr25749-2.c" "pr25749-2b.s" "-fPIE" "-pie" ""
 389 check_pr25749a "pr25754-1a" "pr25754-1a.c" "pr25754-1b.s" "$NOPIE_CFLAGS" "$NOPIE_LDFLAGS" ""
 390 check_pr25749a "pr25754-1b" "pr25754-1a.c" "pr25754-1b.s" "-fPIE" "$NOPIE_LDFLAGS" ""
 391 check_pr25749a "pr25754-1c" "pr25754-1a.c" "pr25754-1b.s" "-fPIC" "$NOPIE_LDFLAGS" ""
 392 check_pr25749a "pr25754-1d" "pr25754-1a.c" "pr25754-1b.s" "-fPIC" "-pie" ""
 393 if { [istarget "i?86-*-linux*"] || [istarget "x86_64-*-linux*-gnux32"]} {
 394     check_pr25749a "pr25754-2a" "pr25754-2a.c" "pr25754-2b.s" "-fPIC" "$NOPIE_LDFLAGS" ""
 395     check_pr25749a "pr25754-2b" "pr25754-2a.c" "pr25754-2b.s" "-fPIC" "-pie" ""
 396 } else {
 397     check_pr25749a "pr25754-3a" "pr25754-3a.c" "pr25754-3b.s" "-fPIC" "$NOPIE_LDFLAGS" ""
 398     check_pr25749a "pr25754-3b" "pr25754-3a.c" "pr25754-3b.s" "-fPIC" "-pie" ""
 399 }
 400 if { [istarget "i?86-*-linux*"] } {
 401     check_pr25749a "pr25754-4a" "pr25754-4a.c" "pr25754-4b.s" "$NOPIE_CFLAGS" "$NOPIE_LDFLAGS" ""
 402     check_pr25749a "pr25754-4b" "pr25754-4a.c" "pr25754-4b.s" "-fpie" "-pie" ""
 403     check_pr25749a "pr25754-5a" "pr25754-5a.c" "pr25754-5b.s" "$NOPIE_CFLAGS" "$NOPIE_LDFLAGS" ""
 404     check_pr25749a "pr25754-5b" "pr25754-5a.c" "pr25754-5b.s" "-fpie" "-pie" ""
 405 } else {
 406     check_pr25749a "pr25754-4a" "pr25754-4a.c" "pr25754-4c.s" "$NOPIE_CFLAGS" "$NOPIE_LDFLAGS" ""
 407     check_pr25749a "pr25754-4b" "pr25754-4a.c" "pr25754-4c.s" "-fpie" "-pie" ""
 408     check_pr25749a "pr25754-5a" "pr25754-5a.c" "pr25754-5c.s" "$NOPIE_CFLAGS" "$NOPIE_LDFLAGS" ""
 409     check_pr25749a "pr25754-5b" "pr25754-5a.c" "pr25754-5c.s" "-fpie" "-pie" ""
 410     if { ![istarget "x86_64-*-linux*-gnux32"]} {
 411         check_pr25749a "pr25754-6a" "pr25754-6a.c" "pr25754-6b.s" "$NOPIE_CFLAGS" "$NOPIE_LDFLAGS" ""
 412         check_pr25749a "pr25754-6b" "pr25754-6a.c" "pr25754-6b.s" "-fpie" "-pie" ""
 413     }
 414 }
 415
 416 proc check_pr25749b {testname srcfilea srcfileb cflags ldflags dsoldflags args} {
 417     global objcopy
 418     global srcdir
 419     global subdir
 420
 421     if { [istarget "i?86-*-linux*"] } {
 422         set output_arch "i386:i386"
 423         set output_target "elf32-i386"
 424     } else {
 425         set output_arch "i386:x86-64"
 426         if {[istarget "x86_64-*-linux*-gnux32"]} {
 427             set output_target "elf32-x86-64"
 428         } else {
 429             set output_target "elf64-x86-64"
 430         }
 431     }
 432
 433     exec cp $srcdir/$subdir/$srcfilea $srcfilea
 434     exec chmod +w $srcfilea
 435     set pr25749_bin "$objcopy -B $output_arch -I binary -O $output_target $srcfilea tmpdir/pr25749-bin.o"
 436     send_log "$pr25749_bin\n"
 437     set got [remote_exec host "$pr25749_bin"]
 438     if { [lindex $got 0] != 0 || ![string match "" [lindex $got 1]] } then {
 439         send_log "$got\n"
 440         fail "Convert $srcfilea to $output_target"
 441         return
 442     }
 443
 444     run_cc_link_tests [list \
 445         [list \
 446             "Build lib${testname}.so ($dsoldflags)" \
 447             "-shared $dsoldflags tmpdir/pr25749-bin.o -z noexecstack" \
 448             "-fPIC -I../bfd" \
 449             [list $srcfileb] \
 450             {{readelf {-Wr} pr25749.rd}}  \
 451             "lib${testname}.so" \
 452         ] \
 453     ]
 454
 455     set pass "pass.out"
 456     if { [llength $args] > 0 } {
 457         set pass [lindex $args 0]
 458     }
 459
 460     run_ld_link_exec_tests [list \
 461         [list \
 462             "Run ${testname}b ($ldflags $cflags)" \
 463             "$ldflags -Wl,--no-as-needed tmpdir/lib${testname}.so -z noexecstack" \
 464             "" \
 465             [list $srcfilea]\
 466             "${testname}b" \
 467             "$pass" \
 468             "$cflags -I../bfd" \
 469         ] \
 470     ]
 471 }
 472
 473 check_pr25749b "pr25749-1a" "pr25749-1.c" "pr25749-1a.c" "$NOPIE_CFLAGS" "$NOPIE_LDFLAGS" ""
 474 check_pr25749b "pr25749-1a" "pr25749-1.c" "pr25749-1a.c" "-fPIE" "-pie" ""
 475 check_pr25749b "pr25749-1a" "pr25749-1.c" "pr25749-1a.c" "-fPIE" "-pie" "-Wl,-Bsymbolic"
 476 check_pr25749b "pr25749-1b" "pr25749-1.c" "pr25749-1b.c" "$NOPIE_CFLAGS" "$NOPIE_LDFLAGS" "" "passall.out"
 477 check_pr25749b "pr25749-1b" "pr25749-1.c" "pr25749-1b.c" "-fPIE" "-pie" "" "passall.out"
 478 check_pr25749b "pr25749-1b" "pr25749-1.c" "pr25749-1b.c" "-fPIE" "-pie" "-Wl,-Bsymbolic"
 479 check_pr25749b "pr25749-1d" "pr25749-1.c" "pr25749-1d.c" "$NOPIE_CFLAGS" "$NOPIE_LDFLAGS" "-Wl,-defsym=_begin=0"
 480 check_pr25749b "pr25749-1d" "pr25749-1.c" "pr25749-1d.c" "-fPIE" "-pie" "-Wl,-defsym=_begin=0"
 481 check_pr25749b "pr25749-1d" "pr25749-1.c" "pr25749-1d.c" "-fPIE" "-pie" "-Wl,-Bsymbolic -Wl,-defsym=_begin=0"
 482 check_pr25749b "pr25749-2a" "pr25749-2.c" "pr25749-2a.s" "$NOPIE_CFLAGS" "$NOPIE_LDFLAGS" "" "passall.out"
 483 check_pr25749b "pr25749-2a" "pr25749-2.c" "pr25749-2a.s" "-fPIE" "-pie" "" "passall.out"
 484 check_pr25749b "pr25749-2b" "pr25749-2.c" "pr25749-2b.s" "$NOPIE_CFLAGS" "$NOPIE_LDFLAGS" ""
 485 check_pr25749b "pr25749-2b" "pr25749-2.c" "pr25749-2b.s" "-fPIE" "-pie" ""