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

   1 # Expect script for common symbol override, MIPS variation.
   2 #
   3 #   Copyright 2011  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 # Exclude non-Linux targets; feel free to include your favorite one
  28 # if you like.
  29 if ![istarget mips*-*-linux*] {
  30     return
  31 }
  32
  33 proc mips_comm_data_test { abi flag emul reloc } {
  34
  35     set testname "MIPS $abi/$reloc common symbol override test"
  36
  37     # There's no "-z copyreloc" option, deal with it.
  38     set ZFLAG [string map [list copyreloc "" nocopyreloc "-z $reloc"] $reloc]
  39     set AFLAGS "$flag -EB"
  40     set LDFLAGS "-m$emul"
  41
  42     # Define a global symbol.
  43     run_ld_link_tests [list \
  44         [list \
  45             "$testname (auxiliary shared object build)" \
  46             "$LDFLAGS -shared" \
  47             "$AFLAGS -call_shared" \
  48             { ../ld-elf/comm-data1.s } \
  49             { \
  50                 { readelf -s ../ld-elf/comm-data1.sd } \
  51             } \
  52           "libmips-$abi-$reloc-comm-data.so" \
  53         ] \
  54     ]
  55
  56     # Set the pointer size according to the ABI.
  57     if { $abi == "n64" } {
  58         append AFLAGS " --defsym ELF64=1"
  59     }
  60
  61     # Verify that a common symbol has been converted to an undefined
  62     # reference to the global symbol of the same name defined above
  63     # and that the debug reference has been dropped.
  64     run_ld_link_tests [list \
  65         [list \
  66             "$testname" \
  67             "$LDFLAGS $ZFLAG -Ltmpdir -lmips-$abi-$reloc-comm-data" \
  68             "$AFLAGS -call_nonpic" \
  69             { ../ld-elf/comm-data2.s } \
  70             { \
  71                 { readelf -s ../ld-elf/comm-data2.sd } \
  72                 { readelf -r ../ld-elf/comm-data2.rd } \
  73                 { readelf "-x .debug_foo" ../ld-elf/comm-data2.xd } \
  74             } \
  75             "mips-$abi-$reloc-comm-data" \
  76         ] \
  77     ]
  78 }
  79
  80 # For targets that default to a specific ISA (instead of "from-abi"),
  81 # the 64-bit -march option is required to override it, like for
  82 # "mipsisa32r2el-*-*".
  83 set abis { o32 -32 elf32btsmip n32 "-n32 -march=mips3" elf32btsmipn32 n64 "-64 -march=mips3" elf64btsmip }
  84 set relocs { copyreloc nocopyreloc }
  85 foreach { abi flag emul } $abis {
  86     foreach reloc $relocs {
  87         mips_comm_data_test $abi $flag $emul $reloc
  88     }
  89 }