ld/testsuite/ld-mips-elf/mips-elf-flags.exp

   1 #   Copyright (C) 2003-2016 Free Software Foundation, Inc.
   2 #
   3 # This file is part of the GNU Binutils.
   4 #
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 3 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program; if not, write to the Free Software
  17 # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  18 # MA 02110-1301, USA.
  19
  20 if {![istarget mips*-*-*] || ![is_elf_format]} {
  21     return
  22 }
  23
  24 global ldemul
  25 if {[istarget mips*-*-irix6*]} {
  26     set ldemul "-melf32bsmip"
  27 } elseif {[istarget mips*el-*-linux*]} {
  28     set ldemul "-melf32ltsmip"
  29 } elseif {[istarget mips*-*-linux*]} {
  30     set ldemul "-melf32btsmip"
  31 } elseif {[istarget mips*el-*-*freebsd*]} {
  32     set ldemul "-melf32ltsmip_fbsd"
  33 } elseif {[istarget mips*-*-*freebsd*]} {
  34     set ldemul "-melf32btsmip_fbsd"
  35 } else {
  36     set ldemul ""
  37 }
  38
  39 # Assemble jr.s using each of the argument lists in ARGLIST.  Return the
  40 # list of object files on success and an empty list on failure.
  41 proc assemble_for_flags {arglist} {
  42     global as srcdir subdir
  43
  44     set objs {}
  45     set index 1
  46
  47     foreach args $arglist {
  48         set obj "tmpdir/mips-flags-${index}.o"
  49         if {![ld_assemble $as "$args $srcdir/$subdir/jr.s" $obj]} {
  50             return ""
  51         }
  52         lappend objs $obj
  53         incr index
  54     }
  55     return $objs
  56 }
  57
  58 # Assemble a file using each set of arguments in ARGLIST.  Check that
  59 # the objects can be linked together and that the readelf output
  60 # includes each flag named in FLAGS.
  61 proc good_combination {arglist flags} {
  62     global ld ldemul READELF
  63
  64     set finalobj "tmpdir/mips-flags.o"
  65     set testname "MIPS compatible objects: $arglist"
  66     set objs [assemble_for_flags $arglist]
  67
  68     if {$objs == ""} {
  69         unresolved $testname
  70     } elseif {![ld_simple_link "$ld $ldemul" $finalobj "-r $objs"]} {
  71         fail $testname
  72     } else {
  73         catch "exec $READELF --headers $finalobj" output
  74         if {![regexp "Flags: *(\[^\n\]*)" $output full gotflags]} {
  75             unresolved $testname
  76         } else {
  77             set failed 0
  78
  79             # GOTFLAGS is a list of flags separated by ", ".
  80             # Convert it to a tcl list.
  81             regsub -all ", " $gotflags "," gotflags
  82             set gotflags [split $gotflags ","]
  83
  84             foreach flag $flags {
  85                 if {[lsearch -exact $gotflags $flag] < 0} {
  86                     set failed 1
  87                 }
  88             }
  89             if {$failed} {
  90                 fail $testname
  91             } else {
  92                 pass $testname
  93             }
  94         }
  95     }
  96 }
  97
  98 # Like good_combination, but check that the objects can't be linked
  99 # together successfully and that the output includes MESSAGE.
 100 proc bad_combination {arglist message} {
 101     global link_output ld ldemul
 102
 103     set finalobj "tmpdir/mips-flags.o"
 104     set testname "MIPS incompatible objects: $arglist"
 105     set objs [assemble_for_flags $arglist]
 106
 107     if {$objs == ""} {
 108         unresolved $testname
 109     } elseif {[ld_simple_link "$ld $ldemul" $finalobj "-r $objs"]
 110               || [string first $message $link_output] < 0} {
 111         fail $testname
 112     } else {
 113         pass $testname
 114     }
 115 }
 116
 117 # Routines to check for various kinds of incompatibility.
 118
 119 proc abi_conflict {arglist firstabi secondabi} {
 120     bad_combination $arglist \
 121       "linking $secondabi module with previous $firstabi modules"
 122 }
 123
 124 proc isa_conflict {arglist firstisa secondisa} {
 125     bad_combination $arglist \
 126       "linking mips:$secondisa module with previous mips:$firstisa modules"
 127 }
 128
 129 proc regsize_conflict {arglist} {
 130     bad_combination $arglist \
 131       "linking 32-bit code with 64-bit code"
 132 }
 133
 134 abi_conflict { "-mabi=eabi -mgp32" "-mips4 -mabi=32" } EABI32 O32
 135 abi_conflict { "-mips4 -mabi=o64"  "-mips3 -mabi=eabi" } O64 EABI64
 136
 137 isa_conflict { "-march=vr5500 -32"     "-march=sb1 -32" } 5500 sb1
 138 isa_conflict { "-march=vr5400 -32"     "-march=4120 -32" } 5400 4120
 139 isa_conflict { "-march=r3900 -32"      "-march=r6000 -32" } 3900 6000
 140 isa_conflict { "-march=r4010 -32"      "-march=r4650 -32" } 4010 4650
 141 isa_conflict { "-mips3 -mgp32 -32"     "-mips32 -32" } 4000 isa32
 142 isa_conflict { "-march=sb1 -mgp32 -32" "-mips32r2 -32" } sb1 isa32r2
 143 isa_conflict { "-march=sb1 -32"        "-mips64r2 -32" } sb1 isa64r2
 144
 145 isa_conflict { "-march=vr4100 -32"     "-march=r10000 -32" } 4100 8000
 146 isa_conflict { "-march=r5900 -32"      "-march=vr4111 -32" } 5900 4111
 147 isa_conflict { "-march=loongson2e -32" "-march=loongson2f -32" } loongson_2e loongson_2f
 148 isa_conflict { "-march=loongson3a -32" "-march=loongson2f -32" } loongson_3a loongson_2f
 149
 150 regsize_conflict { "-mips4 -mgp64 -mabi=o64"         "-mips2 -32" }
 151 regsize_conflict { "-mips4 -mabi=o64"                "-mips4 -mabi=32" }
 152 regsize_conflict { "-mips4 -mabi=eabi -mgp32"        "-mips4 -mabi=eabi -mgp64" }
 153 regsize_conflict { "-march=vr5000 -mgp64 -mabi=o64"  "-march=vr5000 -mgp32 -32" }
 154 regsize_conflict { "-mips32 -32"                     "-mips64 -mabi=o64" }
 155 regsize_conflict { "-mips32r2 -32"                   "-mips64 -mabi=o64" }
 156 regsize_conflict { "-mips32r2 -32"                   "-mips64r2 -mabi=o64" }
 157
 158 good_combination { "-mips4 -mgp32 -32"  "-mips2 -32" } { mips4 o32 }
 159 good_combination { "-mips4 -mabi=32"    "-mips2 -32" } { mips4 o32 }
 160 good_combination { "-mips2 -32"         "-mips4 -mabi=32" } { mips4 o32 }
 161 good_combination { "-mips2 -mabi=eabi"  "-mips4 -mabi=eabi -mgp32" } { mips4 eabi32 }
 162 good_combination { "-mips2 -32"         "-mips32 -32" "-mips32r2 -32" } { mips32r2 }
 163 good_combination { "-mips1 -32"         "-mips32r2 -32" "-mips32 -32" } { mips32r2 }
 164
 165 good_combination { "-march=vr4100 -32"  "-march=vr4120 -32" } { 4120 }
 166 good_combination { "-march=vr5400 -32"  "-march=vr5500 -32" "-mips4 -32" } { 5500 }
 167 good_combination { "-mips3 -32"         "-mips4 -32"        "-march=sb1 -32"  "-mips5 -32" } { sb1 }
 168 good_combination { "-mips1 -32"         "-march=3900 -32" } { 3900 }
 169 good_combination { "-mips3 -32"         "-mips64r2 -32" "   -mips64 -32" } { mips64r2 }
 170
 171 good_combination { "-march=vr4120 -mabi=32"  "-mips3 -mabi=32" } { 4120 o32 }
 172 good_combination { "-march=sb1 -mgp32 -32"   "-march=4000 -mgp32 -32" } { sb1 o32 }
 173 good_combination { "-mips32 -mabi=32"        "-march=sb1 -mabi=32" } { sb1 o32 }
 174 good_combination { "-mips64r2 -mabi=32"      "-mips32 -mabi=32" } { mips64r2 o32 }
 175 good_combination { "-mips5 -mabi=o64"        "-mips64r2 -mabi=o64" } { mips64r2 o64 }