ld/testsuite/ld-elf/elf.exp

   1 # Expect script for various ELF tests.
   2 #   Copyright (C) 2002-2017 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 # Exclude non-ELF targets.
  23
  24 if ![is_elf_format] {
  25     return
  26 }
  27
  28 set old_ldflags $LDFLAGS
  29 if { [istarget spu*-*-*] } {
  30     set LDFLAGS "$LDFLAGS --local-store 0:0"
  31 }
  32
  33 # hpux .comm differs from everyone else
  34 set hpux ""
  35 set old_asflags $ASFLAGS
  36 if [istarget "*-*-hpux*"] {
  37     set hpux "--defsym HPUX=1"
  38     set ASFLAGS "$ASFLAGS --defsym HPUX=1"
  39 }
  40
  41 if { [istarget alpha*-*-* ] } {
  42     # The compress1 test is written expecting 32-bit addresses; force the
  43     # executable down into the low address space to match.
  44     # ??? How can we adjust just the one testcase?
  45     set LDFLAGS "$LDFLAGS -Ttext-segment 0x1000000"
  46 }
  47
  48 if { [istarget "*-*-nacl*"] } {
  49     # The eh[1-4] cases are written to expect ELFCLASS64 layout on x86-64.
  50     # But the target default is ELFCLASS32.  So the cases explicitly use
  51     # -melf_x86_64 to select that, but NaCl needs a different emulation name.
  52     set options_regsub(ld) {-melf_x86_64 -melf_x86_64_nacl}
  53 }
  54
  55 if { [istarget "*-*-solaris*"] } {
  56     # Same for Solaris
  57     set options_regsub(ld) {-melf_x86_64 -melf_x86_64_sol2}
  58 }
  59
  60 if { [is_remote host] } then {
  61     remote_download host merge.ld
  62 }
  63
  64 run_ld_link_tests [list \
  65     [list "Build symbol3.a" \
  66         "" "" $hpux \
  67         {symbol3.s} {} "symbol3.a" ] \
  68     [list "Build symbol3w.a" \
  69         "" "" "" \
  70         {symbol3w.s} {} "symbol3w.a" ] \
  71 ]
  72
  73 # These targets use _bfd_generic_link_add_symbols instead of
  74 # bfd_elf_link_add_symbols
  75 setup_xfail "d30v-*-*" "dlx-*-*" "pj-*-*"
  76 run_ld_link_tests {
  77       {"PR ld/21703"
  78         "--allow-multiple-definition tmpdir/pr21703-1.o tmpdir/pr21703-2.o" "" "" \
  79         {pr21703-1.s pr21703-2.s} {{readelf {-s} pr21703.sd}} "pr21703" }
  80 }
  81
  82 # These targets use _bfd_generic_link_add_symbols instead of
  83 # bfd_elf_link_add_symbols
  84 setup_xfail "d30v-*-*" "dlx-*-*" "pj-*-*"
  85 run_ld_link_tests {
  86       {"PR ld/21703 -r"
  87         "-r --allow-multiple-definition tmpdir/pr21703-3.o tmpdir/pr21703-4.o" "" "" \
  88         {pr21703-3.s pr21703-4.s} {{readelf {-s} pr21703-r.sd}} "pr21703.o" }
  89 }
  90
  91 if { [check_shared_lib_support] } then {
  92     run_ld_link_tests {
  93         {"Build pr14170a.o" "" "" "" {pr14170a.s} {} "pr14170.a" }
  94     }
  95     setup_xfail "tic6x-*-*"
  96     run_ld_link_tests {
  97         {"Build shared library for pr14170"
  98             "-shared" "" "" "pr14170b.s" {} "pr14170.so" }
  99     }
 100     # bfin does not currently support copy relocs.
 101     setup_xfail "bfin-*-*"
 102     run_ld_link_tests [list \
 103         [list "PR ld/14170" \
 104             "--no-dynamic-linker tmpdir/pr14170a.o tmpdir/pr14170.so" "" $hpux \
 105              {pr14170c.s} { } "pr14170" ] \
 106     ]
 107
 108     # These targets use _bfd_generic_link_add_symbols instead of
 109     # bfd_elf_link_add_symbols
 110     setup_xfail "d30v-*-*" "dlx-*-*" "pj-*-*"
 111     setup_xfail "tic6x-*-*" "hppa64-*-*"
 112     run_ld_link_tests {
 113         {"PR ld/21703 shared"
 114          "-shared --allow-multiple-definition --version-script pr21703.ver tmpdir/pr21703-3.o tmpdir/pr21703-4.o" "" "" \
 115          {pr21703-3.s pr21703-4.s} {{readelf {--dyn-syms} pr21703-shared.sd}} "pr21703.so" }
 116     }
 117
 118 }
 119
 120 # Only run these tests on targets that support creating shared libraries.
 121 if { [check_shared_lib_support] } then {
 122     # This target requires extra GAS options when building non-PIC code
 123     # for linking with shared libraries.
 124     set AFLAGS_NONPIC ""
 125     if [istarget "mips*-*-*"] {
 126         append AFLAGS_NONPIC " -call_nonpic"
 127     }
 128
 129     # Run a test to check linking a shared library with a broken linker
 130     # script that accidentally marks dynamic sections as notes.  The
 131     # resulting executable is not expected to work, but the linker
 132     # should not seg-fault whilst creating the binary.
 133     setup_xfail "tic6x-*-*"
 134     run_ld_link_tests {
 135         {"Build shared library for next test"
 136             "-shared --hash-style=sysv" "" "" "note-3.s" {} "note-3.so" }
 137         {"Link using broken linker script"
 138             "--script note-3.t tmpdir/note-3.so" "" "" ""
 139             { { ld "note-3.l" } }
 140             "a.out" }
 141     }
 142     setup_xfail "tic6x-*-*"
 143     run_ld_link_tests {
 144         {"Build pr17068.so"
 145             "-shared" "" ""
 146             {pr17068d.s} {} "pr17068.so"}
 147         {"Build pr17068a.a"
 148             "" "" ""
 149             {pr17068a.s pr17068c.s pr17068ez.s} {} "pr17068a.a"}
 150         {"Build pr17068b.a"
 151             "" "" ""
 152             {pr17068b.s pr17068e.s} {} "pr17068b.a"}
 153     }
 154     # bfin does not currently support copy relocs.
 155     setup_xfail "bfin-*-*"
 156     run_ld_link_tests {
 157         {"pr17068 link --as-needed lib in group"
 158             "--as-needed --no-dynamic-linker" "--start-group tmpdir/pr17068a.a tmpdir/pr17068.so tmpdir/pr17068b.a --end-group" ""
 159             {start.s pr17068.s} {} "pr17068"}
 160     }
 161     # xfail on tic6x due to non-PIC/non-PID warnings
 162     setup_xfail "tic6x-*-*"
 163     # Fails on MIPS because ABI trickery means that a NULL reloc is also emitted.
 164     setup_xfail "mips*-*-*"
 165     # Fails on bfin because relocations are not created.
 166     setup_xfail "bfin-*-*"
 167     run_ld_link_tests {
 168         {"-Bsymbolic-functions"
 169             "-shared -Bsymbolic-functions" "" ""
 170             {symbolic-func.s} {{readelf {-r --wide} symbolic-func.r}}
 171             "symbolic-func.so"}
 172     }
 173     # xfail on tic6x due to non-PIC/non-PID warnings
 174     setup_xfail "tic6x-*-*"
 175     run_ld_link_tests {
 176         {"Build pr20995.so"
 177             "-shared" "" ""
 178             {pr20995b.s} {} "pr20995.so"}
 179     }
 180     setup_xfail "tic6x-*-*"
 181     # xfail on arm*-*-eabi*.  The list can be enlarged to those targets that
 182     # don't support GNU_RELRO.  For more details, please see discussions at:
 183     #   https://sourceware.org/ml/binutils/2017-01/msg00441.html
 184     setup_xfail "arm*-*-eabi*" "hppa*64*-*-hpux*"
 185     run_ld_link_tests {
 186         {"Build pr20995-2.so"
 187             "-shared -z relro" "" ""
 188             {pr20995c.s} {{readelf {-l --wide} pr20995-2so.r}} "pr20995-2.so"}
 189     }
 190     # These targets don't copy dynamic variables into .bss.
 191     setup_xfail "alpha-*-*" "bfin-*-*" "ia64-*-*" "xtensa-*-*"
 192     # or don't have .data.rel.ro
 193     setup_xfail "hppa*64*-*-hpux*"
 194     run_ld_link_tests [list \
 195         [list \
 196             "pr20995" \
 197             "" "tmpdir/pr20995.so" "$AFLAGS_NONPIC" \
 198             {pr20995a.s} {{readelf {-S --wide} pr20995.r}} "pr20995"]]
 199     # xfail on arm*-*-eabi* is particularly because of no support of GNU_RELRO.
 200     # Please see the link above for details.
 201     setup_xfail "alpha-*-*" "bfin-*-*" "ia64-*-*" "xtensa-*-*" "arm*-*-eabi*"
 202     setup_xfail "hppa*64*-*-hpux*"
 203     run_ld_link_tests [list \
 204         [list \
 205             "pr20995-2" \
 206             "" "tmpdir/pr20995-2.so" "$AFLAGS_NONPIC" \
 207             {pr20995a.s} {{readelf {-S --wide} pr20995.r}} "pr20995-2"]]
 208 }
 209
 210 if [is_underscore_target] {
 211     set ASFLAGS "$ASFLAGS --defsym UNDERSCORE=1"
 212 }
 213
 214 set test_list [lsort [glob -nocomplain $srcdir/$subdir/*.d]]
 215 foreach t $test_list {
 216     # We need to strip the ".d", but can leave the dirname.
 217     verbose [file rootname $t]
 218     run_dump_test [file rootname $t]
 219 }
 220
 221 # Targets using the generic linker backend don't support generating
 222 # an import library.
 223 set xfail_implib ""
 224 if [is_generic_elf] {
 225     set xfail_implib "*-*-*"
 226 }
 227
 228 # Check that the --out-implib option work correctly.
 229 run_ld_link_tests [list \
 230     [list "Generate empty import library" \
 231         "--out-implib=tmpdir/implib.lib" "" \
 232         [concat "--defsym NO_GLOBAL=1" $hpux] \
 233         {implib.s} \
 234         {{ld empty-implib.out}} \
 235         "implib" ] \
 236     [list "Generate import library" \
 237         "--out-implib=tmpdir/implib.lib" "" \
 238         $hpux \
 239         {implib.s} \
 240         {{readelf {-s tmpdir/implib.lib} implib.rd}} \
 241         "implib" ] \
 242 ] $xfail_implib
 243
 244 if { [istarget *-*-linux*]
 245      || [istarget *-*-nacl*]
 246      || [istarget *-*-gnu*] } {
 247     run_ld_link_tests {
 248         {"Weak symbols in dynamic objects 1 (support)"
 249             "-shared" "" "" {weak-dyn-1a.s}
 250             {}
 251             "libweakdyn1a.so"}
 252         {"Weak symbols in dynamic objects 1 (main test)"
 253             "-shared tmpdir/libweakdyn1a.so -Tweak-dyn-1.ld" "" "" {weak-dyn-1b.s}
 254             {{readelf {--relocs --wide} weak-dyn-1.rd}}
 255             "libweakdyn1b.so"}
 256     }
 257 }
 258
 259 #v850 gas complains about .tbss.var section attributes.
 260 if { [check_gc_sections_available] && ![istarget "v850-*-*"] } {
 261     run_ld_link_tests {
 262         {"--gc-sections on tls variable"
 263             "--gc-section" "" "" {tls_gc.s} {} "tls_gc"}
 264     }
 265 }
 266
 267 if { [istarget *-*-*linux*]
 268      || [istarget *-*-nacl*]
 269      || [istarget *-*-gnu*] } {
 270     run_ld_link_tests {
 271         {"stack exec" "-z execstack" "" "" {stack.s}
 272             {{readelf {-Wl} stack-exec.rd}} "stack-exec.exe"}
 273         {"stack size" "-z stack-size=0x123400" "" "" {stack.s}
 274             {{readelf {-Wl} stack-size.rd}} "stack-size.exe"}
 275     }
 276 }
 277
 278 set LDFLAGS $old_ldflags
 279 set ASFLAGS $old_asflags
 280
 281 # Check to see if the C compiler works
 282 if { [which $CC] == 0 } {
 283     return
 284 }
 285
 286 if [check_gc_sections_available] {
 287     run_cc_link_tests {
 288         {"PR ld/13195" "-Wl,--gc-sections" ""
 289          {pr13195.c} {} "pr13195"}
 290     }
 291 }
 292
 293 set array_tests {
 294     {"preinit array" "" ""
 295         {preinit.c} "preinit" "preinit.out"}
 296     {"init array" "" ""
 297         {init.c} "init" "init.out"}
 298     {"fini array" "" ""
 299         {fini.c} "fini" "fini.out"}
 300     {"init array mixed" "" ""
 301         {init-mixed.c} "init-mixed" "init-mixed.out" "-I."}
 302 }
 303 set array_tests_pie {
 304     {"PIE preinit array" "-pie" ""
 305         {preinit.c} "preinit" "preinit.out" "-fPIE"}
 306     {"PIE init array" "-pie" ""
 307         {init.c} "init" "init.out" "-fPIE"}
 308     {"PIE fini array" "-pie" ""
 309         {fini.c} "fini" "fini.out" "-fPIE"}
 310     {"PIE init array mixed" "-pie" ""
 311         {init-mixed.c} "init-mixed" "init-mixed.out" "-I. -fPIE"}
 312     {"PIE PR ld/14525" "-pie" ""
 313         {pr14525.c} "pr14525" "pr14525.out" "-fPIE"}
 314 }
 315 set array_tests_static {
 316     {"static preinit array" "-static" ""
 317         {preinit.c} "preinit" "preinit.out"}
 318     {"static init array" "-static" ""
 319         {init.c} "init" "init.out"}
 320     {"static fini array" "-static" ""
 321         {fini.c} "fini" "fini.out"}
 322     {"static init array mixed" "-static" ""
 323         {init-mixed.c} "init-mixed" "init-mixed.out" "-I."}
 324 }
 325
 326 # NetBSD ELF systems do not currently support the .*_array sections.
 327 set xfails "*-*-netbsdelf*"
 328 run_ld_link_exec_tests $array_tests $xfails
 329
 330 if { [istarget *-*-linux*]
 331      || [istarget *-*-nacl*]
 332      || [istarget *-*-gnu*] } {
 333     run_ld_link_exec_tests $array_tests_pie $xfails
 334
 335     run_ld_link_exec_tests [list \
 336         [list \
 337             "Run mbind2a" \
 338             "$NOPIE_LDFLAGS -Wl,-z,common-page-size=0x4000" \
 339             "" \
 340             { mbind2a.s mbind2b.c } \
 341             "mbind2a" \
 342             "pass.out" \
 343             "-O2 -I../bfd" \
 344         ] \
 345         [list \
 346             "Run mbind2b" \
 347             "-static -Wl,-z,common-page-size=0x4000" \
 348             "" \
 349             { mbind2a.s mbind2b.c } \
 350             "mbind2b" \
 351             "pass.out" \
 352             "-O2 -I../bfd" \
 353         ] \
 354     ]
 355 }
 356
 357 # <http://www.gnu.org/software/hurd/open_issues/binutils.html#static>
 358 # Be cautious to not XFAIL for *-*-linux-gnu*, *-*-kfreebsd-gnu*, etc.
 359 switch -regexp $target_triplet {
 360     ^\[^-\]*-\[^-\]*-gnu.*$ {
 361         set xfails "*-*-*"
 362     }
 363 }
 364 run_ld_link_exec_tests $array_tests_static $xfails
 365
 366 catch "exec rm -f tmpdir/preinit tmpdir/init tmpdir/fini tmpdir/init-mixed" status