| 1 | # Copyright (C) 2003-2018 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 | # Check is ld supported 32bit emulations. |
| 40 | proc check_ld_support_32bit { } { |
| 41 | global ld |
| 42 | global echo |
| 43 | |
| 44 | set ld_output [remote_exec host $ld "-V"] |
| 45 | if [string match "*elf32*" $ld_output] then { |
| 46 | return 1 |
| 47 | } else { |
| 48 | return 0 |
| 49 | } |
| 50 | } |
| 51 | |
| 52 | # Check args is 32bit abis. |
| 53 | proc check_is_32bit_args {arg} { |
| 54 | |
| 55 | if { [string match "*-32*" $arg] |
| 56 | || [string match "*-mabi=32*" $arg] |
| 57 | || [string match "*-mabi=o64*" $arg] |
| 58 | || [string match "*-mgp32*" $arg] } { |
| 59 | return 1 |
| 60 | } else { |
| 61 | return 0 |
| 62 | } |
| 63 | } |
| 64 | |
| 65 | # Assemble jr.s using each of the argument lists in ARGLIST. Return the |
| 66 | # list of object files on success and an empty list on failure. |
| 67 | proc assemble_for_flags {arglist} { |
| 68 | global as srcdir subdir |
| 69 | |
| 70 | set objs {} |
| 71 | set index 1 |
| 72 | |
| 73 | foreach args $arglist { |
| 74 | set obj "tmpdir/mips-flags-${index}.o" |
| 75 | if {![ld_assemble $as "$args $srcdir/$subdir/jr.s" $obj]} { |
| 76 | return "" |
| 77 | } |
| 78 | lappend objs $obj |
| 79 | incr index |
| 80 | } |
| 81 | return $objs |
| 82 | } |
| 83 | |
| 84 | # Assemble a file using each set of arguments in ARGLIST. Check that |
| 85 | # the objects can be linked together and that the `readelf -h' output |
| 86 | # includes each flag named in FLAGS. Additional one or more arguments |
| 87 | # request the addition of the `-A' option to `readelf' invocation. In |
| 88 | # this case check MIPS ABI Flags reported for the ISA to match the |
| 89 | # first of these arguments, the ISA Extension to match the second, and |
| 90 | # the ASEs listed are exactly the same as those listed in the third, |
| 91 | # passed as a TCL list. |
| 92 | proc good_combination {arglist flags args} { |
| 93 | global ld ldemul READELF |
| 94 | |
| 95 | set finalobj "tmpdir/mips-flags.o" |
| 96 | set testname "MIPS compatible objects: $arglist" |
| 97 | set objs [assemble_for_flags $arglist] |
| 98 | |
| 99 | foreach argsl $arglist { |
| 100 | if { [check_is_32bit_args $argsl] && ![check_ld_support_32bit] } { |
| 101 | unsupported $testname |
| 102 | return 0 |
| 103 | } |
| 104 | } |
| 105 | |
| 106 | if {$objs == ""} { |
| 107 | unresolved $testname |
| 108 | } elseif {![ld_link "$ld $ldemul" $finalobj "-r $objs"]} { |
| 109 | fail $testname |
| 110 | } else { |
| 111 | set A [expr {[llength $args] > 0} ? {"A"} : {""}] |
| 112 | set cmd "$READELF -h$A $finalobj" |
| 113 | send_log "$cmd\n" |
| 114 | set cmdret [remote_exec host [concat sh -c [list "$cmd 2>&1"]]] |
| 115 | set output [lindex $cmdret 1] |
| 116 | set cmdret [lindex $cmdret 0] |
| 117 | if {$cmdret != 0 \ |
| 118 | || ![regexp "Flags: *(\[^\n\r\]*)" $output full gotflags]} { |
| 119 | unresolved $testname |
| 120 | } else { |
| 121 | set failed 0 |
| 122 | |
| 123 | # GOTFLAGS is a list of flags separated by ", ". |
| 124 | # Convert it to a tcl list. |
| 125 | regsub -all ", " $gotflags "," gotflags |
| 126 | set gotflags [split $gotflags ","] |
| 127 | |
| 128 | foreach flag $flags { |
| 129 | if {[lsearch -exact $gotflags $flag] < 0} { |
| 130 | # The mips*-*-irix* not use o32 flags. |
| 131 | if {[istarget mips*-*-irix*] && $flag == "o32"} { |
| 132 | set failed 0 |
| 133 | } else { |
| 134 | set failed 1 |
| 135 | } |
| 136 | } |
| 137 | } |
| 138 | |
| 139 | set isa [string trim [lindex $args 0]] |
| 140 | if {$isa != "" |
| 141 | && (![regexp "ISA: *(\[^\n\r\]*)" $output full gotisa] |
| 142 | || ![string match $isa $gotisa])} { |
| 143 | set failed 1 |
| 144 | } |
| 145 | |
| 146 | set ext [string trim [lindex $args 1]] |
| 147 | if {$ext != "" |
| 148 | && (![regexp "ISA Extension: *(\[^\n\r\]*)" \ |
| 149 | $output full gotext] |
| 150 | || ![string match $ext $gotext])} { |
| 151 | set failed 1 |
| 152 | } |
| 153 | |
| 154 | set ases [string trim [lindex $args 2]] |
| 155 | if {[llength $ases] > 0} { |
| 156 | if {![regexp "ASEs:\[\n\r\]+((?:\t\[^\n\r\]*\[\n\r\]+)*)" \ |
| 157 | $output full gotases]} { |
| 158 | set failed 1 |
| 159 | } else { |
| 160 | # GOTASES is a list of strings separated by tab and |
| 161 | # line separator characters. Convert it to a TCL list. |
| 162 | regsub -all "\[\n\r\t\]+" $gotases "\n" gotases |
| 163 | set gotases [split [string trim $gotases] "\n"] |
| 164 | |
| 165 | foreach ase $ases { |
| 166 | set aseidx [lsearch -exact $gotases $ase] |
| 167 | if {$aseidx >= 0} { |
| 168 | set gotases [lreplace $gotases $aseidx $aseidx] |
| 169 | } else { |
| 170 | set failed 1 |
| 171 | } |
| 172 | } |
| 173 | if {[llength $gotases] > 0} { |
| 174 | set failed 1 |
| 175 | } |
| 176 | } |
| 177 | } |
| 178 | |
| 179 | if {$failed} { |
| 180 | fail $testname |
| 181 | } else { |
| 182 | pass $testname |
| 183 | } |
| 184 | } |
| 185 | } |
| 186 | } |
| 187 | |
| 188 | # Like good_combination, but check that the objects can't be linked |
| 189 | # together successfully and that the output includes MESSAGE. |
| 190 | proc bad_combination {arglist message} { |
| 191 | global link_output ld ldemul |
| 192 | |
| 193 | set finalobj "tmpdir/mips-flags.o" |
| 194 | set testname "MIPS incompatible objects: $arglist" |
| 195 | set objs [assemble_for_flags $arglist] |
| 196 | |
| 197 | foreach argsl $arglist { |
| 198 | if { [check_is_32bit_args $argsl] && ![check_ld_support_32bit] } { |
| 199 | unsupported $testname |
| 200 | return 0 |
| 201 | } |
| 202 | } |
| 203 | |
| 204 | if {$objs == ""} { |
| 205 | unresolved $testname |
| 206 | } elseif {[ld_link "$ld $ldemul" $finalobj "-r $objs"] |
| 207 | || [string first $message $link_output] < 0} { |
| 208 | fail $testname |
| 209 | } else { |
| 210 | pass $testname |
| 211 | } |
| 212 | } |
| 213 | |
| 214 | # Routines to check for various kinds of incompatibility. |
| 215 | |
| 216 | proc abi_conflict {arglist firstabi secondabi} { |
| 217 | bad_combination $arglist \ |
| 218 | "linking $secondabi module with previous $firstabi modules" |
| 219 | } |
| 220 | |
| 221 | proc isa_conflict {arglist firstisa secondisa} { |
| 222 | bad_combination $arglist \ |
| 223 | "linking mips:$secondisa module with previous mips:$firstisa modules" |
| 224 | } |
| 225 | |
| 226 | proc regsize_conflict {arglist} { |
| 227 | bad_combination $arglist \ |
| 228 | "linking 32-bit code with 64-bit code" |
| 229 | } |
| 230 | |
| 231 | abi_conflict { "-mabi=eabi -mgp32" "-mips4 -mabi=32" } EABI32 O32 |
| 232 | abi_conflict { "-mips4 -mabi=o64" "-mips3 -mabi=eabi" } O64 EABI64 |
| 233 | |
| 234 | isa_conflict { "-march=vr5500 -32" "-march=sb1 -32" } 5500 sb1 |
| 235 | isa_conflict { "-march=vr5400 -32" "-march=4120 -32" } 5400 4120 |
| 236 | isa_conflict { "-march=r3900 -32" "-march=r6000 -32" } 3900 6000 |
| 237 | isa_conflict { "-march=r4010 -32" "-march=r4650 -32" } 4010 4650 |
| 238 | isa_conflict { "-mips3 -mgp32 -32" "-mips32 -32" } 4000 isa32 |
| 239 | isa_conflict { "-march=sb1 -mgp32 -32" "-mips32r2 -32" } sb1 isa32r2 |
| 240 | isa_conflict { "-march=sb1 -32" "-mips64r2 -32" } sb1 isa64r2 |
| 241 | |
| 242 | isa_conflict { "-march=vr4100 -32" "-march=r10000 -32" } 4100 8000 |
| 243 | isa_conflict { "-march=r5900 -32" "-march=vr4111 -32" } 5900 4111 |
| 244 | isa_conflict { "-march=loongson2e -32" "-march=loongson2f -32" } loongson_2e loongson_2f |
| 245 | isa_conflict { "-march=loongson3a -32" "-march=loongson2f -32" } loongson_3a loongson_2f |
| 246 | |
| 247 | isa_conflict { "-march=interaptiv-mr2 -32" \ |
| 248 | "-march=r4010 -32" } interaptiv-mr2 4010 |
| 249 | isa_conflict { "-march=interaptiv-mr2 -mnan=2008 -mfp64 -32" \ |
| 250 | "-mips32r6 -32" } interaptiv-mr2 isa32r6 |
| 251 | isa_conflict { "-march=interaptiv-mr2 -32" \ |
| 252 | "-mips3 -32" } interaptiv-mr2 4000 |
| 253 | isa_conflict { "-march=interaptiv-mr2 -32" \ |
| 254 | "-mips64r2 -32" } interaptiv-mr2 isa64r2 |
| 255 | isa_conflict { "-march=interaptiv-mr2 -32" \ |
| 256 | "-march=octeon -32" } interaptiv-mr2 octeon |
| 257 | |
| 258 | regsize_conflict { "-mips4 -mgp64 -mabi=o64" "-mips2 -32" } |
| 259 | regsize_conflict { "-mips4 -mabi=o64" "-mips4 -mabi=32" } |
| 260 | regsize_conflict { "-mips4 -mabi=eabi -mgp32" "-mips4 -mabi=eabi -mgp64" } |
| 261 | regsize_conflict { "-march=vr5000 -mgp64 -mabi=o64" "-march=vr5000 -mgp32 -32" } |
| 262 | regsize_conflict { "-mips32 -32" "-mips64 -mabi=o64" } |
| 263 | regsize_conflict { "-mips32r2 -32" "-mips64 -mabi=o64" } |
| 264 | regsize_conflict { "-mips32r2 -32" "-mips64r2 -mabi=o64" } |
| 265 | |
| 266 | good_combination { "-mips4 -mgp32 -32" "-mips2 -32" } { mips4 o32 } |
| 267 | good_combination { "-mips4 -mabi=32" "-mips2 -32" } { mips4 o32 } |
| 268 | good_combination { "-mips2 -32" "-mips4 -mabi=32" } { mips4 o32 } |
| 269 | good_combination { "-mips2 -mabi=eabi" "-mips4 -mabi=eabi -mgp32" } { mips4 eabi32 } |
| 270 | good_combination { "-mips2 -32" "-mips32 -32" "-mips32r2 -32" } { mips32r2 } |
| 271 | good_combination { "-mips1 -32" "-mips32r2 -32" "-mips32 -32" } { mips32r2 } |
| 272 | |
| 273 | good_combination { "-march=vr4100 -32" "-march=vr4120 -32" } { 4120 } |
| 274 | good_combination { "-march=vr5400 -32" "-march=vr5500 -32" "-mips4 -32" } { 5500 } |
| 275 | good_combination { "-mips3 -32" "-mips4 -32" "-march=sb1 -32" "-mips5 -32" } { sb1 } |
| 276 | good_combination { "-mips1 -32" "-march=3900 -32" } { 3900 } |
| 277 | good_combination { "-mips3 -32" "-mips64r2 -32" " -mips64 -32" } { mips64r2 } |
| 278 | |
| 279 | good_combination { "-march=vr4120 -mabi=32" "-mips3 -mabi=32" } { 4120 o32 } |
| 280 | good_combination { "-march=sb1 -mgp32 -32" "-march=4000 -mgp32 -32" } { sb1 o32 } |
| 281 | good_combination { "-mips32 -mabi=32" "-march=sb1 -mabi=32" } { sb1 o32 } |
| 282 | good_combination { "-mips64r2 -mabi=32" "-mips32 -mabi=32" } { mips64r2 o32 } |
| 283 | good_combination { "-mips5 -mabi=o64" "-mips64r2 -mabi=o64" } { mips64r2 o64 } |
| 284 | |
| 285 | good_combination { "-march=interaptiv-mr2 -32" "-mips1 -32" } \ |
| 286 | { mips32r2 interaptiv-mr2 } \ |
| 287 | MIPS32r3 "Imagination interAptiv MR2" \ |
| 288 | { "DSP ASE" "Enhanced VA Scheme" "MT ASE" } |
| 289 | good_combination { "-march=interaptiv-mr2 -32" "-mips32r2 -32" } \ |
| 290 | { mips32r2 interaptiv-mr2 } \ |
| 291 | MIPS32r3 "Imagination interAptiv MR2" \ |
| 292 | { "DSP ASE" "Enhanced VA Scheme" "MT ASE" } |
| 293 | good_combination { "-march=interaptiv-mr2 -32" "-march=interaptiv -32" } \ |
| 294 | { mips32r2 interaptiv-mr2 } \ |
| 295 | MIPS32r3 "Imagination interAptiv MR2" \ |
| 296 | { "DSP ASE" "Enhanced VA Scheme" "MT ASE" } |
| 297 | good_combination { "-march=interaptiv-mr2 -32" "-mips32r3 -32" } \ |
| 298 | { mips32r2 interaptiv-mr2 } \ |
| 299 | MIPS32r3 "Imagination interAptiv MR2" \ |
| 300 | { "DSP ASE" "Enhanced VA Scheme" "MT ASE" } |
| 301 | good_combination { "-march=interaptiv-mr2 -32" "-mips32r3 -mips16 -32" } \ |
| 302 | { mips32r2 interaptiv-mr2 } \ |
| 303 | MIPS32r3 "Imagination interAptiv MR2" \ |
| 304 | { "DSP ASE" "Enhanced VA Scheme" "MT ASE" "MIPS16 ASE" } |
| 305 | good_combination { "-march=interaptiv-mr2 -mips16 -32" "-mips32r3 -32" } \ |
| 306 | { mips32r2 interaptiv-mr2 } \ |
| 307 | MIPS32r3 "Imagination interAptiv MR2" \ |
| 308 | { "DSP ASE" "Enhanced VA Scheme" "MT ASE" \ |
| 309 | "MIPS16 ASE" "MIPS16e2 ASE" } |
| 310 | good_combination { "-march=interaptiv-mr2 -32" "-mips32r5 -32" } \ |
| 311 | { mips32r2 interaptiv-mr2 } \ |
| 312 | MIPS32r5 "Imagination interAptiv MR2" \ |
| 313 | { "DSP ASE" "Enhanced VA Scheme" "MT ASE" } |
| 314 | good_combination { "-march=interaptiv-mr2 -32" "-march=m5100 -32" } \ |
| 315 | { mips32r2 interaptiv-mr2 } \ |
| 316 | MIPS32r5 "Imagination interAptiv MR2" \ |
| 317 | { "DSP ASE" "Enhanced VA Scheme" "MT ASE" } |