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