ld/testsuite/ld-elf/elf.exp

   1 # Expect script for various ELF tests.
   2 #   Copyright (C) 2002-2016 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 if { [istarget alpha*-*-* ] } {
  33     # The compress1 test is written expecting 32-bit addresses; force the
  34     # executable down into the low address space to match.
  35     # ??? How can we adjust just the one testcase?
  36     set LDFLAGS "$LDFLAGS -Ttext-segment 0x1000000"
  37 }
  38
  39 if { [istarget "*-*-nacl*"] } {
  40     # The eh[1-4] cases are written to expect ELFCLASS64 layout on x86-64.
  41     # But the target default is ELFCLASS32.  So the cases explicitly use
  42     # -melf_x86_64 to select that, but NaCl needs a different emulation name.
  43     set options_regsub(ld) {-melf_x86_64 -melf_x86_64_nacl}
  44 }
  45
  46 if { [istarget "*-*-solaris*"] } {
  47     # Same for Solaris
  48     set options_regsub(ld) {-melf_x86_64 -melf_x86_64_sol2}
  49 }
  50
  51 if { [is_remote host] } then {
  52     remote_download host merge.ld
  53 }
  54
  55 if { ![istarget hppa64*-hpux*] } {
  56     run_ld_link_tests {
  57         {"Build symbol3.a"
  58             "" "" ""
  59             {symbol3.s} {} "symbol3.a"}
  60         {"Build symbol3w.a"
  61             "" "" ""
  62             {symbol3w.s} {} "symbol3w.a"}
  63     }
  64
  65     if { [check_shared_lib_support] } then {
  66         run_ld_link_tests {
  67             {"Build pr14170a.o" "" "" "" "pr14170a.s" {} "pr14170.a" }
  68         }
  69         setup_xfail "tic6x-*-*"
  70         run_ld_link_tests {
  71             {"Build shared library for pr14170"
  72                 "-shared" "" "" "pr14170b.s" {} "pr14170.so" }
  73         }
  74         # bfin does not currently support copy relocs.
  75         setup_xfail "bfin-*-*"
  76         run_ld_link_tests {
  77             {"PR ld/14170"
  78                 "--no-dynamic-linker tmpdir/pr14170a.o tmpdir/pr14170.so" "" "" "pr14170c.s"
  79                 { } "pr14170" }
  80         }
  81     }
  82 }
  83
  84 # Only run these tests on targets that support creating shared libraries.
  85 if { [check_shared_lib_support] } then {
  86     # Run a test to check linking a shared library with a broken linker
  87     # script that accidentally marks dynamic sections as notes.  The
  88     # resulting executable is not expected to work, but the linker
  89     # should not seg-fault whilst creating the binary.
  90     setup_xfail "tic6x-*-*"
  91     run_ld_link_tests {
  92         {"Build shared library for next test"
  93             "-shared" "" "" "note-3.s" {} "note-3.so" }
  94         {"Link using broken linker script"
  95             "--script note-3.t tmpdir/note-3.so" "" "" ""
  96             { { ld "note-3.l" } }
  97             "a.out" }
  98     }
  99     setup_xfail "tic6x-*-*"
 100     run_ld_link_tests {
 101         {"Build pr17068.so"
 102             "-shared" "" ""
 103             {pr17068d.s} {} "pr17068.so"}
 104         {"Build pr17068a.a"
 105             "" "" ""
 106             {pr17068a.s pr17068c.s pr17068ez.s} {} "pr17068a.a"}
 107         {"Build pr17068b.a"
 108             "" "" ""
 109             {pr17068b.s pr17068e.s} {} "pr17068b.a"}
 110     }
 111     # bfin does not currently support copy relocs.
 112     setup_xfail "bfin-*-*"
 113     run_ld_link_tests {
 114         {"pr17068 link --as-needed lib in group"
 115             "--as-needed --no-dynamic-linker" "--start-group tmpdir/pr17068a.a tmpdir/pr17068.so tmpdir/pr17068b.a --end-group" ""
 116             {start.s pr17068.s} {} "pr17068"}
 117     }
 118     # xfail on tic6x due to non-PIC/non-PID warnings
 119     setup_xfail "tic6x-*-*"
 120     # Fails on MIPS because ABI trickery means that a NULL reloc is also emitted.
 121     setup_xfail "mips*-*-*"
 122     # Fails on bfin because relocations are not created.
 123     setup_xfail "bfin-*-*"
 124     run_ld_link_tests {
 125         {"-Bsymbolic-functions"
 126             "-shared -Bsymbolic-functions" "" ""
 127             {symbolic-func.s} {{readelf {-r --wide} symbolic-func.r}}
 128             "symbolic-func.so"}
 129     }
 130     # xfail on tic6x due to non-PIC/non-PID warnings
 131     setup_xfail "tic6x-*-*"
 132     run_ld_link_tests {
 133         {"Build pr20995.so"
 134             "-shared" "" ""
 135             {pr20995b.s} {} "pr20995.so"}
 136     }
 137     # These targets don't copy dynamic variables into .bss.
 138     setup_xfail "alpha-*-*" "bfin-*-*" "ia64-*-*" "xtensa-*-*"
 139     run_ld_link_tests {
 140         {"pr20995"
 141             "" "tmpdir/pr20995.so" ""
 142             {pr20995a.s} {{readelf {-S --wide} pr20995.r}} "pr20995"}
 143     }
 144 }
 145
 146 set test_list [lsort [glob -nocomplain $srcdir/$subdir/*.d]]
 147 foreach t $test_list {
 148     # We need to strip the ".d", but can leave the dirname.
 149     verbose [file rootname $t]
 150     run_dump_test [file rootname $t]
 151 }
 152
 153 # Targets using the generic linker backend don't support generating
 154 # an import library.
 155 set xfail_implib ""
 156 if [is_generic_elf] {
 157     set xfail_implib "*-*-*"
 158 }
 159
 160 # Check that the --out-implib option work correctly.
 161 run_ld_link_tests {
 162     {"Generate empty import library"
 163         "--out-implib=tmpdir/implib.lib" ""
 164         "--defsym NO_GLOBAL=1"
 165         {implib.s}
 166         {{ld empty-implib.out}}
 167         "implib"}
 168     {"Generate import library"
 169         "--out-implib=tmpdir/implib.lib" ""
 170         ""
 171         {implib.s}
 172         {{readelf {-s tmpdir/implib.lib} implib.rd}}
 173         "implib"}
 174 } $xfail_implib
 175
 176 if { [istarget *-*-linux*]
 177      || [istarget *-*-nacl*]
 178      || [istarget *-*-gnu*] } {
 179     run_ld_link_tests {
 180         {"Weak symbols in dynamic objects 1 (support)"
 181             "-shared" "" "" {weak-dyn-1a.s}
 182             {}
 183             "libweakdyn1a.so"}
 184         {"Weak symbols in dynamic objects 1 (main test)"
 185             "-shared tmpdir/libweakdyn1a.so -Tweak-dyn-1.ld" "" "" {weak-dyn-1b.s}
 186             {{readelf {--relocs --wide} weak-dyn-1.rd}}
 187             "libweakdyn1b.so"}
 188     }
 189 }
 190
 191 #v850 gas complains about .tbss.var section attributes.
 192 if { [check_gc_sections_available] && ![istarget "v850-*-*"] } {
 193     run_ld_link_tests {
 194         {"--gc-sections on tls variable"
 195             "--gc-section" "" "" {tls_gc.s} {} "tls_gc"}
 196     }
 197 }
 198
 199 if { [istarget *-*-*linux*]
 200      || [istarget *-*-nacl*]
 201      || [istarget *-*-gnu*] } {
 202     run_ld_link_tests {
 203         {"stack exec" "-z execstack" "" "" {stack.s}
 204             {{readelf {-Wl} stack-exec.rd}} "stack-exec.exe"}
 205         {"stack size" "-z stack-size=0x123400" "" "" {stack.s}
 206             {{readelf {-Wl} stack-size.rd}} "stack-size.exe"}
 207     }
 208 }
 209
 210 set LDFLAGS $old_ldflags
 211
 212 # The following tests require running the executable generated by ld.
 213 if ![isnative] {
 214     return
 215 }
 216
 217 if [check_gc_sections_available] {
 218     run_cc_link_tests {
 219         {"PR ld/13195" "-Wl,--gc-sections" ""
 220          {pr13195.c} {} "pr13195"}
 221     }
 222 }
 223
 224 set array_tests {
 225     {"preinit array" "" "" {preinit.c} "preinit" "preinit.out"}
 226     {"init array" "" "" {init.c} "init" "init.out"}
 227     {"fini array" "" "" {fini.c} "fini" "fini.out"}
 228     {"init array mixed" "" "" {init-mixed.c} "init-mixed" "init-mixed.out" "-I."}
 229 }
 230 set array_tests_pie {
 231     {"PIE preinit array" "-pie" "" {preinit.c} "preinit" "preinit.out" "-fPIE" }
 232     {"PIE init array" "-pie" "" {init.c} "init" "init.out" "-fPIE"}
 233     {"PIE fini array" "-pie" "" {fini.c} "fini" "fini.out" "-fPIE"}
 234     {"PIE init array mixed" "-pie" "" {init-mixed.c} "init-mixed" "init-mixed.out" "-I. -fPIE"}
 235     {"PIE PR ld/14525" "-pie" "" {pr14525.c} "pr14525" "pr14525.out" "-fPIE"}
 236 }
 237 set array_tests_static {
 238     {"static preinit array" "-static" "" {preinit.c} "preinit" "preinit.out"}
 239     {"static init array" "-static" "" {init.c} "init" "init.out"}
 240     {"static fini array" "-static" "" {fini.c} "fini" "fini.out"}
 241     {"static init array mixed" "-static" "" {init-mixed.c} "init-mixed" "init-mixed.out" "-I."}
 242 }
 243
 244 # NetBSD ELF systems do not currently support the .*_array sections.
 245 set xfails "*-*-netbsdelf*"
 246 run_ld_link_exec_tests $array_tests $xfails
 247
 248 if { [istarget *-*-linux*]
 249      || [istarget *-*-nacl*]
 250      || [istarget *-*-gnu*] } {
 251     run_ld_link_exec_tests $array_tests_pie $xfails
 252 }
 253
 254 # <http://www.gnu.org/software/hurd/open_issues/binutils.html#static>
 255 # Be cautious to not XFAIL for *-*-linux-gnu*, *-*-kfreebsd-gnu*, etc.
 256 switch -regexp $target_triplet {
 257     ^\[^-\]*-\[^-\]*-gnu.*$ {
 258         set xfails "*-*-*"
 259     }
 260 }
 261 run_ld_link_exec_tests $array_tests_static $xfails
 262
 263 catch "exec rm -f tmpdir/preinit tmpdir/init tmpdir/fini tmpdir/init-mixed" status