ld/testsuite/ld-elf/comm-data.exp

   1 # Expect script for common symbol override.
   2 #
   3 # Copyright (C) 2011-2021 Free Software Foundation, Inc.
   4 #
   5 # This file is part of the GNU Binutils.
   6 #
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 3 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program; if not, write to the Free Software
  19 # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  20 # MA 02110-1301, USA.
  21 #
  22
  23 #
  24 # Written by Maciej W. Rozycki <macro@codesourcery.com>
  25 #
  26
  27 # This test is for ELF shared-library targets.
  28 if { ![is_elf_format] || ![check_shared_lib_support] } {
  29     return
  30 }
  31
  32 # This target requires extra GAS options when building code for shared
  33 # libraries.
  34 set AFLAGS_PIC ""
  35 if [istarget "tic6x-*-*"] {
  36     append AFLAGS_PIC " -mpic -mpid=near"
  37 }
  38 # This target requires a non-default emulation for successful shared
  39 # library/executable builds.
  40 set LFLAGS ""
  41 if [istarget "tic6x-*-*"] {
  42     append LFLAGS " -melf32_tic6x_le"
  43 }
  44 # These targets do not default to linking with shared libraries.
  45 if { [istarget "mips*vr4100*-*-elf*"] \
  46      || [istarget "mips*vr4300*-*-elf*"] \
  47      || [istarget "mips*vr5000*-*-elf*"] } {
  48     append LFLAGS " -call_shared"
  49 }
  50
  51 # Set the pointer size according to the ELF flavor.
  52 set AFLAGS ""
  53 if [is_elf64 "tmpdir/libcomm-data.so"] {
  54     append AFLAGS " --defsym ELF64=1"
  55 }
  56 # HPUX targets use a different .comm syntax.
  57 if [istarget "*-*-hpux*"] {
  58     append AFLAGS " --defsym HPUX=1"
  59 }
  60
  61 set testname "Common symbol override test"
  62
  63 # Define a global symbol.
  64 run_ld_link_tests [list \
  65     [list \
  66         "$testname (auxiliary shared object build)" \
  67         "$LFLAGS -shared" "" \
  68         "$AFLAGS_PIC" \
  69         { comm-data1.s } \
  70         { \
  71             { readelf -s comm-data1.sd } \
  72         } \
  73         "libcomm-data.so" \
  74     ] \
  75     [list \
  76         "libpr26580-1.so" \
  77         "$LFLAGS -shared" "" \
  78         "$AFLAGS_PIC $AFLAGS" \
  79         { pr26580-b.s } \
  80         { } \
  81         "libpr26580-1.so" \
  82     ] \
  83 ]
  84
  85 # bfin-elf does not currently support copy relocs.
  86 setup_xfail "bfin-*-*"
  87 clear_xfail "bfin-*-linux-uclibc*"
  88
  89 # Verify that a common symbol has been converted to an undefined
  90 # reference to the global symbol of the same name defined above
  91 # and that the debug reference has been dropped.
  92 run_ld_link_tests [list \
  93     [list \
  94         "$testname" \
  95         "$LFLAGS -T comm-data2.ld -Ltmpdir -lcomm-data" "" \
  96         "$AFLAGS" \
  97         { comm-data2.s } \
  98         [list \
  99             [list readelf -s comm-data2.sd] \
 100             [list readelf -r comm-data2.rd] \
 101             [list readelf "-x .debug_foo" comm-data2.xd]] \
 102         "comm-data" \
 103     ] \
 104     [list \
 105         "$testname 3a" \
 106         "-static" "" \
 107         "" \
 108         { comm-data3a.s comm-data3b.s } \
 109         { \
 110             { readelf -s comm-data3.sd } \
 111         } \
 112         "comm-data3a" \
 113     ] \
 114     [list \
 115         "$testname 3b" \
 116         "-static" "" \
 117         "" \
 118         { comm-data3b.s comm-data3a.s } \
 119         { \
 120             { readelf -s comm-data3.sd } \
 121         } \
 122         "comm-data3b" \
 123     ] \
 124     [list \
 125         "pr26580-1" \
 126         "$LFLAGS --as-needed -Ltmpdir -lpr26580-1" "" \
 127         "$AFLAGS" \
 128         { pr26580-a.s } \
 129         { {readelf -s pr26580-1.sd} } \
 130         "pr26580-1" \
 131     ] \
 132     [list \
 133         "pr26580-2" \
 134         "$LFLAGS --no-as-needed -Ltmpdir -lpr26580-1" "" \
 135         "$AFLAGS" \
 136         { pr26580-a.s } \
 137         { {readelf -s pr26580-2.sd} } \
 138         "pr26580-2" \
 139     ] \
 140 ]