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

   1 #   Copyright 2003, 2007 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 } else {
  32     set ldemul ""
  33 }
  34
  35 # Assemble jr.s using each of the argument lists in ARGLIST.  Return the
  36 # list of object files on success and an empty list on failure.
  37 proc assemble_for_flags {arglist} {
  38     global as srcdir subdir
  39
  40     set objs {}
  41     set index 1
  42
  43     foreach args $arglist {
  44         set obj "tmpdir/mips-flags-${index}.o"
  45         if {![ld_assemble $as "$args $srcdir/$subdir/jr.s" $obj]} {
  46             return ""
  47         }
  48         lappend objs $obj
  49         incr index
  50     }
  51     return $objs
  52 }
  53
  54 # Assemble a file using each set of arguments in ARGLIST.  Check that
  55 # the objects can be linked together and that the readelf output
  56 # includes each flag named in FLAGS.
  57 proc good_combination {arglist flags} {
  58     global ld ldemul READELF
  59
  60     set finalobj "tmpdir/mips-flags.o"
  61     set testname "MIPS compatible objects: $arglist"
  62     set objs [assemble_for_flags $arglist]
  63
  64     if {$objs == ""} {
  65         unresolved $testname
  66     } elseif {![ld_simple_link "$ld $ldemul" $finalobj "-r $objs"]} {
  67         fail $testname
  68     } else {
  69         catch "exec $READELF --headers $finalobj" output
  70         if {![regexp "Flags: *(\[^\n\]*)" $output full gotflags]} {
  71             unresolved $testname
  72         } else {
  73             set failed 0
  74
  75             # GOTFLAGS is a list of flags separated by ", ".
  76             # Convert it to a tcl list.
  77             regsub -all ", " $gotflags "," gotflags
  78             set gotflags [split $gotflags ","]
  79
  80             foreach flag $flags {
  81                 if {[lsearch -exact $gotflags $flag] < 0} {
  82                     set failed 1
  83                 }
  84             }
  85             if {$failed} {
  86                 fail $testname
  87             } else {
  88                 pass $testname
  89             }
  90         }
  91     }
  92 }
  93
  94 # Like good_combination, but check that the objects can't be linked
  95 # together successfully and that the output includes MESSAGE.
  96 proc bad_combination {arglist message} {
  97     global link_output ld ldemul
  98
  99     set finalobj "tmpdir/mips-flags.o"
 100     set testname "MIPS incompatible objects: $arglist"
 101     set objs [assemble_for_flags $arglist]
 102
 103     if {$objs == ""} {
 104         unresolved $testname
 105     } elseif {[ld_simple_link "$ld $ldemul" $finalobj "-r $objs"]
 106               || [string first $message $link_output] < 0} {
 107         fail $testname
 108     } else {
 109         pass $testname
 110     }
 111 }
 112
 113 # Routines to check for various kinds of incompatibility.
 114
 115 proc abi_conflict {arglist firstabi secondabi} {
 116     bad_combination $arglist \
 117       "linking $secondabi module with previous $firstabi modules"
 118 }
 119
 120 proc isa_conflict {arglist firstisa secondisa} {
 121     bad_combination $arglist \
 122       "linking mips:$secondisa module with previous mips:$firstisa modules"
 123 }
 124
 125 proc regsize_conflict {arglist} {
 126     bad_combination $arglist \
 127       "linking 32-bit code with 64-bit code"
 128 }
 129
 130 abi_conflict { "-mabi=eabi -mgp32" "-mips4 -mabi=32" } EABI32 O32
 131 abi_conflict { "-mips4 -mabi=o64" "-mips3 -mabi=eabi" } O64 EABI64
 132
 133 isa_conflict { "-march=vr5500 -32" "-march=sb1 -32" } 5500 sb1
 134 isa_conflict { "-march=vr5400 -32" "-march=4120 -32" } 5400 4120
 135 isa_conflict { "-march=r3900 -32" "-march=r6000 -32" } 3900 6000
 136 isa_conflict { "-march=r4010 -32" "-march=r4650 -32" } 4010 4650
 137 isa_conflict { "-mips3 -mgp32 -32" "-mips32 -32" } 4000 isa32
 138 isa_conflict { "-march=sb1 -mgp32 -32" "-mips32r2 -32" } sb1 isa32r2
 139 isa_conflict { "-march=sb1 -32" "-mips64r2 -32" } sb1 isa64r2
 140
 141 regsize_conflict { "-mips4 -mgp64 -mabi=o64" "-mips2 -32" }
 142 regsize_conflict { "-mips4 -mabi=o64" "-mips4 -mabi=32" }
 143 regsize_conflict { "-mips4 -mabi=eabi -mgp32" "-mips4 -mabi=eabi -mgp64" }
 144 regsize_conflict { "-march=vr5000 -mgp64 -mabi=o64" "-march=vr5000 -mgp32 -32" }
 145 regsize_conflict { "-mips32 -32" "-mips64 -mabi=o64" }
 146 regsize_conflict { "-mips32r2 -32" "-mips64 -mabi=o64" }
 147 regsize_conflict { "-mips32r2 -32" "-mips64r2 -mabi=o64" }
 148
 149 good_combination { "-mips4 -mgp32 -32" "-mips2 -32" } { mips4 o32 }
 150 good_combination { "-mips4 -mabi=32" "-mips2 -32" } { mips4 o32 }
 151 good_combination { "-mips2 -32" "-mips4 -mabi=32" } { mips4 o32 }
 152 good_combination { "-mips2 -mabi=eabi" "-mips4 -mabi=eabi -mgp32" } { mips4 eabi32 }
 153 good_combination { "-mips2 -32" "-mips32 -32" "-mips32r2 -32" } { mips32r2 }
 154 good_combination { "-mips1 -32" "-mips32r2 -32" "-mips32 -32" } { mips32r2 }
 155
 156 good_combination { "-march=vr4100 -32" "-march=vr4120 -32" } { 4120 }
 157 good_combination { "-march=vr5400 -32" "-march=vr5500 -32" "-mips4 -32" } { 5500 }
 158 good_combination { "-mips3 -32" "-mips4 -32" "-march=sb1 -32" "-mips5 -32" } { sb1 }
 159 good_combination { "-mips1 -32" "-march=3900 -32" } { 3900 }
 160 good_combination { "-mips3 -32" "-mips64r2 -32" "-mips64 -32" } { mips64r2 }
 161
 162 good_combination { "-march=vr4120 -mabi=32" "-mips3 -mabi=32" } { 4120 o32 }
 163 good_combination { "-march=sb1 -mgp32 -32" "-march=4000 -mgp32 -32" } { sb1 o32 }
 164 good_combination { "-mips32 -mabi=32" "-march=sb1 -mabi=32" } { sb1 o32 }
 165 good_combination { "-mips64r2 -mabi=32" "-mips32 -mabi=32" } { mips64r2 o32 }
 166 good_combination { "-mips5 -mabi=o64" "-mips64r2 -mabi=o64" } { mips64r2 o64 }