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

   1 # Expect script for common symbol override.
   2 #
   3 # Copyright (C) 2011-2024 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 # Define a global symbol.
  52 set testname "Common symbol override test"
  53 run_ld_link_tests [list \
  54     [list \
  55         "$testname (auxiliary shared object build)" \
  56         "$LFLAGS -shared" "" \
  57         "$AFLAGS_PIC" \
  58         { comm-data1.s } \
  59         { \
  60             { readelf -s comm-data1.sd } \
  61         } \
  62         "libcomm-data.so" \
  63     ] \
  64 ]
  65
  66 # Set the pointer size according to the ELF flavor.
  67 set AFLAGS ""
  68 if [is_elf64 "tmpdir/libcomm-data.so"] {
  69     append AFLAGS " --defsym ELF64=1"
  70 }
  71 # HPUX targets use a different .comm syntax.
  72 if [istarget "*-*-hpux*"] {
  73     append AFLAGS " --defsym HPUX=1"
  74 }
  75
  76 # bfin-elf does not currently support copy relocs.
  77 setup_xfail "bfin-*-*"
  78 clear_xfail "bfin-*-linux-uclibc*"
  79
  80 # Verify that a common symbol has been converted to an undefined
  81 # reference to the global symbol of the same name defined above
  82 # and that the debug reference has been dropped.
  83 run_ld_link_tests [list \
  84     [list \
  85         "$testname" \
  86         "$LFLAGS -T comm-data2.ld -Ltmpdir -lcomm-data" "" \
  87         "$AFLAGS" \
  88         { comm-data2.s } \
  89         [list \
  90             [list readelf -s comm-data2.sd] \
  91             [list readelf -r comm-data2.rd] \
  92             [list readelf "-x .debug_foo" comm-data2.xd]] \
  93         "comm-data" \
  94     ] \
  95     [list \
  96         "$testname 3a" \
  97         "-static" "" \
  98         "" \
  99         { comm-data3a.s comm-data3b.s } \
 100         { \
 101             { readelf -s comm-data3.sd } \
 102         } \
 103         "comm-data3a" \
 104     ] \
 105     [list \
 106         "$testname 3b" \
 107         "-static" "" \
 108         "" \
 109         { comm-data3b.s comm-data3a.s } \
 110         { \
 111             { readelf -s comm-data3.sd } \
 112         } \
 113         "comm-data3b" \
 114     ] \
 115     [list \
 116         "libpr26580-1.so" \
 117         "$LFLAGS -shared" "" \
 118         "$AFLAGS_PIC $AFLAGS" \
 119         { pr26580-b.s } \
 120         { } \
 121         "libpr26580-1.so" \
 122     ] \
 123     [list \
 124         "pr26580-1" \
 125         "$LFLAGS --as-needed -Ltmpdir -lpr26580-1" "" \
 126         "$AFLAGS" \
 127         { pr26580-a.s } \
 128         { {readelf -s pr26580-1.sd} } \
 129         "pr26580-1" \
 130     ] \
 131     [list \
 132         "pr26580-2" \
 133         "$LFLAGS --no-as-needed -Ltmpdir -lpr26580-1" "" \
 134         "$AFLAGS" \
 135         { pr26580-a.s } \
 136         { {readelf -s pr26580-2.sd} } \
 137         "pr26580-2" \
 138     ] \
 139 ]