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

   1 #   Copyright (C) 2003-2021 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 if {[istarget mips*-*-irix6*]} {
  25     set ldemul "-melf32bsmip"
  26 } elseif {[istarget mips*el-*-linux*]} {
  27     set ldemul "-melf32ltsmip"
  28 } elseif {[istarget mips*-*-linux*]} {
  29     set ldemul "-melf32btsmip"
  30 } elseif {[istarget mips*el-*-*freebsd*]} {
  31     set ldemul "-melf32ltsmip_fbsd"
  32 } elseif {[istarget mips*-*-*freebsd*]} {
  33     set ldemul "-melf32btsmip_fbsd"
  34 } else {
  35     set ldemul ""
  36 }
  37
  38 # Check is ld supported 32bit emulations.
  39 proc check_ld_support_32bit { } {
  40     global ld
  41     global echo
  42
  43     set ld_output [remote_exec host $ld "-V"]
  44     if [string match "*elf32*" $ld_output] then {
  45         return 1
  46     } else {
  47         return 0
  48     }
  49 }
  50
  51 # Check args is 32bit abis.
  52 proc check_is_32bit_args {arg} {
  53
  54     if { [string match "*-32*" $arg]
  55          || [string match "*-mabi=32*" $arg]
  56          || [string match "*-mabi=o64*" $arg]
  57          || [string match "*-mgp32*" $arg] } {
  58         return 1
  59     } else {
  60         return 0
  61     }
  62 }
  63
  64 # Assemble jr.s using each of the argument lists in ARGLIST.  Return the
  65 # list of object files on success and an empty list on failure.
  66 proc assemble_for_flags {arglist} {
  67     global as srcdir subdir
  68
  69     set objs {}
  70     set index 1
  71
  72     foreach args $arglist {
  73         set obj "tmpdir/mips-flags-${index}.o"
  74         if {![ld_assemble $as "$args $srcdir/$subdir/jr.s" $obj]} {
  75             return ""
  76         }
  77         lappend objs $obj
  78         incr index
  79     }
  80     return $objs
  81 }
  82
  83 # Assemble a file using each set of arguments in ARGLIST.  Check that
  84 # the objects can be linked together and that the `readelf -h' output
  85 # includes each flag named in FLAGS.  Additional one or more arguments
  86 # request the addition of the `-A' option to `readelf' invocation.  In
  87 # this case check MIPS ABI Flags reported for the ISA to match the
  88 # first of these arguments, the ISA Extension to match the second, and
  89 # the ASEs listed are exactly the same as those listed in the third,
  90 # passed as a TCL list.
  91 proc good_combination {arglist flags args} {
  92     global ld ldemul READELF
  93
  94     set finalobj "tmpdir/mips-flags.o"
  95     set testname "MIPS compatible objects: $arglist"
  96     set objs [assemble_for_flags $arglist]
  97
  98     foreach argsl $arglist {
  99         if { [check_is_32bit_args $argsl] && ![check_ld_support_32bit] } {
 100             unsupported $testname
 101             return 0
 102         }
 103     }
 104
 105     if {$objs == ""} {
 106         fail $testname
 107     } elseif {![ld_link "$ld $ldemul" $finalobj "-r $objs"]} {
 108         fail $testname
 109     } else {
 110         set A [expr {[llength $args] > 0} ? {"A"} : {""}]
 111         set cmd "$READELF -h$A $finalobj"
 112         send_log "$cmd\n"
 113         set cmdret [remote_exec host [concat sh -c [list "$cmd 2>&1"]]]
 114         set output [lindex $cmdret 1]
 115         set cmdret [lindex $cmdret 0]
 116         if {$cmdret != 0 \
 117             || ![regexp "Flags: *(\[^\n\r\]*)" $output full gotflags]} {
 118             unresolved $testname
 119         } else {
 120             set failed 0
 121
 122             # GOTFLAGS is a list of flags separated by ", ".
 123             # Convert it to a tcl list.
 124             regsub -all ", " $gotflags "," gotflags
 125             set gotflags [split $gotflags ","]
 126
 127             foreach flag $flags {
 128                 if {[lsearch -exact $gotflags $flag] < 0} {
 129                     # The mips*-*-irix* not use o32 flags.
 130                     if {[istarget mips*-*-irix*] && $flag == "o32"} {
 131                         set failed 0
 132                     } else {
 133                         set failed 1
 134                     }
 135                 }
 136             }
 137
 138             set isa [string trim [lindex $args 0]]
 139             if {$isa != ""
 140                 && (![regexp "ISA: *(\[^\n\r\]*)" $output full gotisa]
 141                     || ![string match $isa $gotisa])} {
 142                 set failed 1
 143             }
 144
 145             set ext [string trim [lindex $args 1]]
 146             if {$ext != ""
 147                 && (![regexp "ISA Extension: *(\[^\n\r\]*)" \
 148                       $output full gotext]
 149                     || ![string match $ext $gotext])} {
 150                 set failed 1
 151             }
 152
 153             set ases [string trim [lindex $args 2]]
 154             if {[llength $ases] > 0} {
 155                 if {![regexp "ASEs:\[\n\r\]+((?:\t\[^\n\r\]*\[\n\r\]+)*)" \
 156                       $output full gotases]} {
 157                     set failed 1
 158                 } else {
 159                     # GOTASES is a list of strings separated by tab and
 160                     # line separator characters.  Convert it to a TCL list.
 161                     regsub -all "\[\n\r\t\]+" $gotases "\n" gotases
 162                     set gotases [split [string trim $gotases] "\n"]
 163
 164                     foreach ase $ases {
 165                         set aseidx [lsearch -exact $gotases $ase]
 166                         if {$aseidx >= 0} {
 167                             set gotases [lreplace $gotases $aseidx $aseidx]
 168                         } else {
 169                             set failed 1
 170                         }
 171                     }
 172                     if {[llength $gotases] > 0} {
 173                         set failed 1
 174                     }
 175                 }
 176             }
 177
 178             if {$failed} {
 179                 fail $testname
 180             } else {
 181                 pass $testname
 182             }
 183         }
 184     }
 185 }
 186
 187 # Like good_combination, but check that the objects can't be linked
 188 # together successfully and that the output includes MESSAGE.
 189 proc bad_combination {arglist message} {
 190     global link_output ld ldemul
 191
 192     set finalobj "tmpdir/mips-flags.o"
 193     set testname "MIPS incompatible objects: $arglist"
 194     set objs [assemble_for_flags $arglist]
 195
 196     foreach argsl $arglist {
 197         if { [check_is_32bit_args $argsl] && ![check_ld_support_32bit] } {
 198             unsupported $testname
 199             return 0
 200         }
 201     }
 202
 203     if {$objs == ""} {
 204         fail $testname
 205     } elseif {[ld_link "$ld $ldemul" $finalobj "-r $objs"]
 206               || [string first $message $link_output] < 0} {
 207         fail $testname
 208     } else {
 209         pass $testname
 210     }
 211 }
 212
 213 # Routines to check for various kinds of incompatibility.
 214
 215 proc abi_conflict {arglist firstabi secondabi} {
 216     bad_combination $arglist \
 217       "linking $secondabi module with previous $firstabi modules"
 218 }
 219
 220 proc isa_conflict {arglist firstisa secondisa} {
 221     bad_combination $arglist \
 222       "linking mips:$secondisa module with previous mips:$firstisa modules"
 223 }
 224
 225 proc regsize_conflict {arglist} {
 226     bad_combination $arglist \
 227       "linking 32-bit code with 64-bit code"
 228 }
 229
 230 abi_conflict { "-mabi=eabi -mgp32" "-mips4 -mabi=32" } EABI32 O32
 231 abi_conflict { "-mips4 -mabi=o64"  "-mips3 -mabi=eabi" } O64 EABI64
 232
 233 isa_conflict { "-march=vr5500 -32"     "-march=sb1 -32" } 5500 sb1
 234 isa_conflict { "-march=vr5400 -32"     "-march=4120 -32" } 5400 4120
 235 isa_conflict { "-march=r3900 -32"      "-march=r6000 -32" } 3900 6000
 236 isa_conflict { "-march=r4010 -32"      "-march=r4650 -32" } 4010 4650
 237 isa_conflict { "-mips3 -mgp32 -32"     "-mips32 -32" } 4000 isa32
 238 isa_conflict { "-march=sb1 -mgp32 -32" "-mips32r2 -32" } sb1 isa32r2
 239 isa_conflict { "-march=sb1 -32"        "-mips64r2 -32" } sb1 isa64r2
 240
 241 isa_conflict { "-march=vr4100 -32"     "-march=r10000 -32" } 4100 8000
 242 isa_conflict { "-march=r5900 -32"      "-march=vr4111 -32" } 5900 4111
 243 isa_conflict { "-march=loongson2e -32" "-march=loongson2f -32" } loongson_2e loongson_2f
 244 isa_conflict { "-march=gs464 -32" "-march=loongson2f -32" } gs464 loongson_2f
 245
 246 isa_conflict { "-march=interaptiv-mr2 -32" \
 247                "-march=r4010 -32" } interaptiv-mr2 4010
 248 isa_conflict { "-march=interaptiv-mr2 -mnan=2008 -mfp64 -32" \
 249                "-mips32r6 -32" } interaptiv-mr2 isa32r6
 250 isa_conflict { "-march=interaptiv-mr2 -32" \
 251                "-mips3 -32" } interaptiv-mr2 4000
 252 isa_conflict { "-march=interaptiv-mr2 -32" \
 253                "-mips64r2 -32" } interaptiv-mr2 isa64r2
 254 isa_conflict { "-march=interaptiv-mr2 -32" \
 255                "-march=octeon -32" } interaptiv-mr2 octeon
 256
 257 regsize_conflict { "-mips4 -mgp64 -mabi=o64"         "-mips2 -32" }
 258 regsize_conflict { "-mips4 -mabi=o64"                "-mips4 -mabi=32" }
 259 regsize_conflict { "-mips4 -mabi=eabi -mgp32"        "-mips4 -mabi=eabi -mgp64" }
 260 regsize_conflict { "-march=vr5000 -mgp64 -mabi=o64"  "-march=vr5000 -mgp32 -32" }
 261 regsize_conflict { "-mips32 -32"                     "-mips64 -mabi=o64" }
 262 regsize_conflict { "-mips32r2 -32"                   "-mips64 -mabi=o64" }
 263 regsize_conflict { "-mips32r2 -32"                   "-mips64r2 -mabi=o64" }
 264
 265 good_combination { "-mips4 -mgp32 -32"  "-mips2 -32" } { mips4 o32 }
 266 good_combination { "-mips4 -mabi=32"    "-mips2 -32" } { mips4 o32 }
 267 good_combination { "-mips2 -32"         "-mips4 -mabi=32" } { mips4 o32 }
 268 good_combination { "-mips2 -mabi=eabi"  "-mips4 -mabi=eabi -mgp32" } { mips4 eabi32 }
 269 good_combination { "-mips2 -32"         "-mips32 -32" "-mips32r2 -32" } { mips32r2 }
 270 good_combination { "-mips1 -32"         "-mips32r2 -32" "-mips32 -32" } { mips32r2 }
 271
 272 good_combination { "-march=vr4100 -32"  "-march=vr4120 -32" } { 4120 }
 273 good_combination { "-march=vr5400 -32"  "-march=vr5500 -32" "-mips4 -32" } { 5500 }
 274 good_combination { "-mips3 -32"         "-mips4 -32"        "-march=sb1 -32"  "-mips5 -32" } { sb1 }
 275 good_combination { "-mips1 -32"         "-march=3900 -32" } { 3900 }
 276 good_combination { "-mips3 -32"         "-mips64r2 -32" "   -mips64 -32" } { mips64r2 }
 277
 278 good_combination { "-march=vr4120 -mabi=32"  "-mips3 -mabi=32" } { 4120 o32 }
 279 good_combination { "-march=sb1 -mgp32 -32"   "-march=4000 -mgp32 -32" } { sb1 o32 }
 280 good_combination { "-mips32 -mabi=32"        "-march=sb1 -mabi=32" } { sb1 o32 }
 281 good_combination { "-mips64r2 -mabi=32"      "-mips32 -mabi=32" } { mips64r2 o32 }
 282 good_combination { "-mips5 -mabi=o64"        "-mips64r2 -mabi=o64" } { mips64r2 o64 }
 283
 284 good_combination { "-march=interaptiv-mr2 -32" "-mips1 -32" } \
 285                  { mips32r2 interaptiv-mr2 } \
 286                  MIPS32r3 "Imagination interAptiv MR2" \
 287                  { "DSP ASE" "Enhanced VA Scheme" "MT ASE" }
 288 good_combination { "-march=interaptiv-mr2 -32" "-mips32r2 -32" } \
 289                  { mips32r2 interaptiv-mr2 } \
 290                  MIPS32r3 "Imagination interAptiv MR2" \
 291                  { "DSP ASE" "Enhanced VA Scheme" "MT ASE" }
 292 good_combination { "-march=interaptiv-mr2 -32" "-march=interaptiv -32" } \
 293                  { mips32r2 interaptiv-mr2 } \
 294                  MIPS32r3 "Imagination interAptiv MR2" \
 295                  { "DSP ASE" "Enhanced VA Scheme" "MT ASE" }
 296 good_combination { "-march=interaptiv-mr2 -32" "-mips32r3 -32" } \
 297                  { mips32r2 interaptiv-mr2 } \
 298                  MIPS32r3 "Imagination interAptiv MR2" \
 299                  { "DSP ASE" "Enhanced VA Scheme" "MT ASE" }
 300 good_combination { "-march=interaptiv-mr2 -32" "-mips32r3 -mips16 -32" } \
 301                  { mips32r2 interaptiv-mr2 } \
 302                  MIPS32r3 "Imagination interAptiv MR2" \
 303                  { "DSP ASE" "Enhanced VA Scheme" "MT ASE" "MIPS16 ASE" }
 304 good_combination { "-march=interaptiv-mr2 -mips16 -32" "-mips32r3 -32" } \
 305                  { mips32r2 interaptiv-mr2 } \
 306                  MIPS32r3 "Imagination interAptiv MR2" \
 307                  { "DSP ASE" "Enhanced VA Scheme" "MT ASE" \
 308                    "MIPS16 ASE" "MIPS16e2 ASE" }
 309 good_combination { "-march=interaptiv-mr2 -32" "-mips32r5 -32" } \
 310                  { mips32r2 interaptiv-mr2 } \
 311                  MIPS32r5 "Imagination interAptiv MR2" \
 312                  { "DSP ASE" "Enhanced VA Scheme" "MT ASE" }
 313 good_combination { "-march=interaptiv-mr2 -32" "-march=m5100 -32" } \
 314                  { mips32r2 interaptiv-mr2 } \
 315                  MIPS32r5 "Imagination interAptiv MR2" \
 316                  { "DSP ASE" "Enhanced VA Scheme" \
 317                    "MCU (MicroController) ASE" "MT ASE" }
 318
 319 good_combination { "-march=gs464 -32" "-march=gs464e -32" }     \
 320                  { gs464e o32 }                                 \
 321                  MIPS64r2 "None"                                \
 322                  { "Loongson MMI ASE" "Loongson CAM ASE" "Loongson EXT ASE" "Loongson EXT2 ASE" }
 323 good_combination { "-march=gs264e -32" "-march=gs464e -32" }    \
 324                  { gs264e o32 }                                 \
 325                  MIPS64r2 "None"                                \
 326                  { "Loongson MMI ASE" "Loongson CAM ASE" "Loongson EXT ASE" "Loongson EXT2 ASE" }