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