ld/testsuite/ld-elf/elf.exp

   1 # Expect script for various ELF tests.
   2 #   Copyright (C) 2002-2018 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 # Note - the output file from the second test (symbol3w.a) is
  65 # used in the proc is_elf64 test below...
  66 run_ld_link_tests [list \
  67     [list "Build symbol3.a" \
  68         "" "" $hpux \
  69         {symbol3.s} {} "symbol3.a" ] \
  70     [list "Build symbol3w.a" \
  71         "" "" "" \
  72         {symbol3w.s} {} "symbol3w.a" ] \
  73 ]
  74
  75
  76 # True if the object format is known to be 64-bit ELF.
  77 #
  78 proc is_elf64 { binary_file } {
  79     global READELF
  80     global READELFFLAGS
  81
  82     set readelf_size ""
  83     catch "exec $READELF $READELFFLAGS -h $binary_file > readelf.out" got
  84
  85     if ![string match "" $got] then {
  86         return 0
  87     }
  88
  89     if { ![regexp "\n\[ \]*Class:\[ \]*ELF(\[0-9\]+)\n" \
  90                [file_contents readelf.out] nil readelf_size] } {
  91         verbose "FAILED to determine ELF size"
  92         return 0
  93     }
  94
  95     if { $readelf_size == "64" } {
  96         return 1
  97     }
  98
  99     return 0
 100 }
 101
 102 if [is_elf64 tmpdir/symbol3w.a] {
 103     set ASFLAGS "$ASFLAGS --defsym ALIGN=3"
 104 } else {
 105     set ASFLAGS "$ASFLAGS --defsym ALIGN=2"
 106 }
 107
 108
 109
 110 # Targets that use _bfd_generic_link_add_symbols won't pass pr21703 tests
 111 run_ld_link_tests {
 112       {"PR ld/21703"
 113         "--allow-multiple-definition tmpdir/pr21703-1.o tmpdir/pr21703-2.o" "" "" \
 114         {pr21703-1.s pr21703-2.s} {{readelf {-s} pr21703.sd}} "pr21703" }
 115       {"PR ld/21703 -r"
 116         "-r --allow-multiple-definition tmpdir/pr21703-3.o tmpdir/pr21703-4.o" "" "" \
 117         {pr21703-3.s pr21703-4.s} {{readelf {-s} pr21703-r.sd}} "pr21703.o" }
 118 } "d30v-*-*" "dlx-*-*" "pj-*-*"
 119
 120 if [is_underscore_target] {
 121     set ASFLAGS "$ASFLAGS --defsym UNDERSCORE=1"
 122 }
 123
 124 set test_list [lsort [glob -nocomplain $srcdir/$subdir/*.d]]
 125 foreach t $test_list {
 126     # We need to strip the ".d", but can leave the dirname.
 127     verbose [file rootname $t]
 128     run_dump_test [file rootname $t]
 129 }
 130
 131 # Targets using the generic linker backend don't support generating
 132 # an import library.
 133 set xfail_implib ""
 134 if [is_generic_elf] {
 135     set xfail_implib "*-*-*"
 136 }
 137
 138 # Check that the --out-implib option work correctly.
 139 run_ld_link_tests [list \
 140     [list "Generate empty import library" \
 141         "--out-implib=tmpdir/implib.lib" "" \
 142         [concat "--defsym NO_GLOBAL=1" $hpux] \
 143         {implib.s} \
 144         {{ld empty-implib.out}} \
 145         "implib" ] \
 146     [list "Generate import library" \
 147         "--out-implib=tmpdir/implib.lib" "" \
 148         $hpux \
 149         {implib.s} \
 150         {{readelf {-s tmpdir/implib.lib} implib.rd}} \
 151         "implib" ] \
 152 ] $xfail_implib
 153
 154 #v850 gas complains about .tbss.var section attributes.
 155 if { [check_gc_sections_available] && ![istarget "v850-*-*"] } {
 156     run_ld_link_tests {
 157         {"--gc-sections on tls variable"
 158             "--gc-section" "" "" {tls_gc.s} {} "tls_gc"}
 159     }
 160 }
 161
 162 if { [istarget *-*-*linux*]
 163      || [istarget *-*-nacl*]
 164      || [istarget *-*-gnu*] } {
 165     run_ld_link_tests {
 166         {"stack exec" "-z execstack" "" "" {stack.s}
 167             {{readelf {-Wl} stack-exec.rd}} "stack-exec.exe"}
 168         {"stack size" "-z stack-size=0x123400" "" "" {stack.s}
 169             {{readelf {-Wl} stack-size.rd}} "stack-size.exe"}
 170     }
 171 }
 172
 173 set LDFLAGS $old_ldflags
 174 set ASFLAGS $old_asflags
 175
 176 # Check to see if the C compiler works
 177 if { [which $CC] == 0 } {
 178     return
 179 }
 180
 181 if [check_gc_sections_available] {
 182     run_cc_link_tests {
 183         {"PR ld/13195" "-Wl,--gc-sections" ""
 184          {pr13195.c} {} "pr13195"}
 185     }
 186 }
 187
 188 set array_tests {
 189     {"preinit array" "" ""
 190         {preinit.c} "preinit" "preinit.out"}
 191     {"init array" "" ""
 192         {init.c} "init" "init.out"}
 193     {"fini array" "" ""
 194         {fini.c} "fini" "fini.out"}
 195     {"init array mixed" "" ""
 196         {init-mixed.c} "init-mixed" "init-mixed.out" "-I."}
 197 }
 198 set array_tests_pie {
 199     {"PIE preinit array" "-pie" ""
 200         {preinit.c} "preinit" "preinit.out" "-fPIE"}
 201     {"PIE init array" "-pie" ""
 202         {init.c} "init" "init.out" "-fPIE"}
 203     {"PIE fini array" "-pie" ""
 204         {fini.c} "fini" "fini.out" "-fPIE"}
 205     {"PIE init array mixed" "-pie" ""
 206         {init-mixed.c} "init-mixed" "init-mixed.out" "-I. -fPIE"}
 207     {"PIE PR ld/14525" "-pie" ""
 208         {pr14525.c} "pr14525" "pr14525.out" "-fPIE"}
 209 }
 210 set array_tests_static {
 211     {"static preinit array" "-static" ""
 212         {preinit.c} "preinit" "preinit.out"}
 213     {"static init array" "-static" ""
 214         {init.c} "init" "init.out"}
 215     {"static fini array" "-static" ""
 216         {fini.c} "fini" "fini.out"}
 217     {"static init array mixed" "-static" ""
 218         {init-mixed.c} "init-mixed" "init-mixed.out" "-I."}
 219 }
 220
 221 # NetBSD ELF systems do not currently support the .*_array sections.
 222 set xfails "*-*-netbsdelf*"
 223 run_ld_link_exec_tests $array_tests $xfails
 224
 225 if { [istarget *-*-linux*]
 226      || [istarget *-*-nacl*]
 227      || [istarget *-*-gnu*] } {
 228     run_ld_link_exec_tests $array_tests_pie $xfails
 229
 230     run_ld_link_exec_tests [list \
 231         [list \
 232             "Run mbind2a" \
 233             "$NOPIE_LDFLAGS -Wl,-z,common-page-size=0x4000" \
 234             "" \
 235             { mbind2a.s mbind2b.c } \
 236             "mbind2a" \
 237             "pass.out" \
 238             "-O2 -I../bfd" \
 239         ] \
 240         [list \
 241             "Run mbind2b" \
 242             "-static -Wl,-z,common-page-size=0x4000" \
 243             "" \
 244             { mbind2a.s mbind2b.c } \
 245             "mbind2b" \
 246             "pass.out" \
 247             "-O2 -I../bfd" \
 248         ] \
 249     ]
 250 }
 251
 252 # <http://www.gnu.org/software/hurd/open_issues/binutils.html#static>
 253 # Be cautious to not XFAIL for *-*-linux-gnu*, *-*-kfreebsd-gnu*, etc.
 254 switch -regexp $target_triplet {
 255     ^\[^-\]*-\[^-\]*-gnu.*$ {
 256         set xfails "*-*-*"
 257     }
 258 }
 259 run_ld_link_exec_tests $array_tests_static $xfails
 260
 261 catch "exec rm -f tmpdir/preinit tmpdir/init tmpdir/fini tmpdir/init-mixed" status