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

   1 # Expect script for common symbol override, MIPS variation.
   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 MIPS shared-library targets.
  28 if { ![istarget mips*-*-*]
  29      || ![is_elf_format]
  30      || ![check_shared_lib_support] } {
  31     return
  32 }
  33
  34 set has_o32abi [expr ![istarget *-*-openbsd*] \
  35                      && ![istarget mips64*-ps2-elf*]]
  36 set has_n32abi [expr [istarget *-img-elf*] \
  37                      || [istarget *-mti-elf*] \
  38                      || [istarget *-ps2-elf*] \
  39                      || [istarget *-sde-elf*] \
  40                      || [istarget *-*-freebsd*] \
  41                      || [istarget *-*-irix6*] \
  42                      || [istarget *-*-kfreebsd*-gnu] \
  43                      || [istarget *-*-linux*]]
  44 set has_n64abi [expr [istarget *-*-freebsd*] \
  45                      || [istarget *-*-irix6*] \
  46                      || [istarget *-*-kfreebsd*-gnu] \
  47                      || [istarget *-*-linux*] \
  48                      || [istarget *-*-netbsd*] \
  49                      || [istarget *-*-openbsd*]]
  50
  51 if {[istarget *-img-elf*] \
  52      || [istarget *-mti-elf*] \
  53      || [istarget *-sde-elf*] \
  54      || [istarget *-*-netbsd*] \
  55      || [istarget *-*-linux*] \
  56      || [istarget *-*-openbsd*] \
  57      || [istarget *-*-sysv4*] } {
  58     if [istarget *el-*-*] {
  59         set abi_ldemul(o32) elf32ltsmip
  60         set abi_ldemul(n32) elf32ltsmipn32
  61         set abi_ldemul(n64) elf64ltsmip
  62     } else {
  63         set abi_ldemul(o32) elf32btsmip
  64         set abi_ldemul(n32) elf32btsmipn32
  65         set abi_ldemul(n64) elf64btsmip
  66     }
  67 } elseif { [istarget *-*-freebsd*] \
  68            || [istarget *-*-kfreebsd*-gnu] } {
  69     if [istarget *el-*-*] {
  70         set abi_ldemul(o32) elf32ltsmip_fbsd
  71         set abi_ldemul(n32) elf32ltsmipn32_fbsd
  72         set abi_ldemul(n64) elf64ltsmip_fbsd
  73     } else {
  74         set abi_ldemul(o32) elf32btsmip_fbsd
  75         set abi_ldemul(n32) elf32btsmipn32_fbsd
  76         set abi_ldemul(n64) elf64btsmip_fbsd
  77     }
  78 } elseif { [istarget *vr4100*-*-elf*] \
  79            || [istarget *vr4300*-*-elf*] \
  80            || [istarget *vr5000*-*-elf*] } {
  81     if [istarget *el-*-*] {
  82         set abi_ldemul(o32) elf32l4300
  83     } else {
  84         set abi_ldemul(o32) elf32b4300
  85     }
  86 } elseif { [istarget *-ps2-elf*] } {
  87     set abi_ldemul(o32) elf32lr5900
  88     set abi_ldemul(n32) elf32lr5900n32
  89 } elseif { [istarget *-*-elf*] \
  90            || [istarget *-*-rtems*] } {
  91     if [istarget *el-*-*] {
  92         set abi_ldemul(o32) elf32elmip
  93     } else {
  94         set abi_ldemul(o32) elf32ebmip
  95     }
  96 } else {
  97     if [istarget *el-*-*] {
  98         set abi_ldemul(o32) elf32lsmip
  99         set abi_ldemul(n32) elf32lmipn32
 100         set abi_ldemul(n64) elf64lmip
 101     } else {
 102         set abi_ldemul(o32) elf32bsmip
 103         set abi_ldemul(n32) elf32bmipn32
 104         set abi_ldemul(n64) elf64bmip
 105     }
 106 }
 107
 108 proc mips_comm_data_test { abi flag emul reloc } {
 109
 110     set testname "MIPS $abi/$reloc common symbol override test"
 111
 112     # There's no "-z copyreloc" option, deal with it.
 113     set ZFLAG [string map [list copyreloc "" nocopyreloc "-z $reloc"] $reloc]
 114     set AFLAGS "$flag"
 115     set LDFLAGS "-m$emul"
 116
 117     # Define a global symbol.
 118     run_ld_link_tests [list \
 119         [list \
 120             "$testname (auxiliary shared object build)" \
 121             "$LDFLAGS -shared" "" \
 122             "$AFLAGS -call_shared" \
 123             { ../ld-elf/comm-data1.s } \
 124             { \
 125                 { readelf -s ../ld-elf/comm-data1.sd } \
 126             } \
 127           "libmips-$abi-$reloc-comm-data.so" \
 128         ] \
 129     ]
 130
 131     # Set the pointer size according to the ABI.
 132     if { $abi == "n64" } {
 133         append AFLAGS " --defsym ELF64=1"
 134     }
 135
 136     # Verify that a common symbol has been converted to an undefined
 137     # reference to the global symbol of the same name defined above
 138     # and that the debug reference has been dropped.
 139     run_ld_link_tests [list \
 140         [list \
 141             "$testname" \
 142             "$LDFLAGS -call_shared $ZFLAG -T ../ld-elf/comm-data2.ld -Ltmpdir\
 143              -lmips-$abi-$reloc-comm-data" "" \
 144             "$AFLAGS -call_nonpic" \
 145             { ../ld-elf/comm-data2.s } \
 146             { \
 147                 { readelf -s ../ld-elf/comm-data2.sd } \
 148                 { readelf -r ../ld-elf/comm-data2.rd } \
 149                 { readelf "-x .debug_foo" ../ld-elf/comm-data2.xd } \
 150             } \
 151             "mips-$abi-$reloc-comm-data" \
 152         ] \
 153     ]
 154 }
 155
 156 # For targets that default to a specific ISA (instead of "from-abi"),
 157 # the 64-bit -march option is required to override it, like for
 158 # "mipsisa32r2el-*-*".
 159 set abis ""
 160 if $has_o32abi {
 161     lappend abis o32 -32 $abi_ldemul(o32)
 162 }
 163 if $has_n32abi {
 164     lappend abis n32 "-n32 -march=mips3" $abi_ldemul(n32)
 165 }
 166 if $has_n64abi {
 167     lappend abis n64 "-64 -march=mips3" $abi_ldemul(n64)
 168 }
 169 set relocs { copyreloc nocopyreloc }
 170 foreach { abi flag emul } $abis {
 171     foreach reloc $relocs {
 172         mips_comm_data_test $abi $flag $emul $reloc
 173     }
 174 }