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