ld/testsuite/ld-size/size.exp

   1 # Expect script for linker support of size relocations.
   2 #
   3 #   Copyright (C) 2013-2024 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 # Size relocations have only been implemented for the ix86 and x86_64,
  25 # so far.
  26 if {!(([istarget "i?86-*-*"]
  27        || [istarget "x86_64-*-*"])
  28       && ([istarget "*-*-elf*"]
  29           || [istarget "*-*-nacl*"]
  30           || [istarget "*-*-linux*"]
  31           || [istarget "*-*-gnu*"])) } {
  32     verbose "Size relocations tests not run - no target support"
  33     return
  34 }
  35
  36 # Skip when -shared is not supported
  37 if { ![check_shared_lib_support] } {
  38     verbose "Size relocation tests not run - shared support disabled"
  39     return
  40 }
  41
  42 # So as to avoid rewriting every last test case here in a nacl variant,
  43 # we use black magic to massage the generic cases into nacl-variant cases.
  44 if [istarget "*-*-nacl*"] {
  45     # Change all the -melf_i386 to -melf_i386_nacl so linking can succeed.
  46     set options_regsub(ld) {-m(\\S+) -m\\1_nacl}
  47 }
  48
  49 set test_list [lsort [glob -nocomplain $srcdir/$subdir/*.d]]
  50 foreach t $test_list {
  51     # We need to strip the ".d", but can leave the dirname.
  52     verbose [file rootname $t]
  53     run_dump_test [file rootname $t]
  54 }
  55
  56 # We need a working compiler.
  57 if { ![check_compiler_available] } {
  58     verbose "Native size relocation tests not run - no compiler available"
  59     return
  60 }
  61
  62 run_cc_link_tests [list \
  63     [list \
  64         "Build libsize-1.so" \
  65         "-shared" \
  66         "-fPIC" \
  67         {size-1a.c size-1b.c} \
  68         {} \
  69         "libsize-1.so" \
  70     ] \
  71     [list \
  72         "Build libsize-2.so" \
  73         "-shared" \
  74         "-fPIC" \
  75         {size-2a.c size-2b.c} \
  76         {} \
  77         "libsize-2.so" \
  78     ] \
  79     [list \
  80         "Build libsize-3a.so" \
  81         "-shared" "-fPIC" \
  82         {size-3a.c} \
  83         {} \
  84         "libsize-3a.so" \
  85     ] \
  86     [list \
  87         "Build libsize-3b.so" \
  88         "-shared" \
  89         "-fPIC" \
  90         {size-3b.c} \
  91         {} \
  92         "libsize-3b.so" \
  93     ] \
  94     [list \
  95         "Build libsize-3c.so" \
  96         "-shared" \
  97         "-fPIC" \
  98         {size-3c.c} \
  99         {} \
 100         "libsize-3c.so" \
 101     ] \
 102     [list \
 103         "Build libsize-6b.so" \
 104         "-shared" \
 105         "-fPIC" \
 106         {size-6b.c} \
 107         {} \
 108         "libsize-6b.so" \
 109     ] \
 110     [list \
 111         "Build libsize-7.so" \
 112         "-shared" \
 113         "-fPIC" \
 114         {size-7b.c} \
 115         {} \
 116         "libsize-7.so" \
 117     ] \
 118     [list \
 119         "Build size-7" \
 120         "$NOPIE_LDFLAGS -Wl,--no-as-needed,-z,notext tmpdir/libsize-7.so" \
 121         "$NOPIE_CFLAGS" \
 122         {size-7a.c} \
 123         {{readelf -rW size-7.rd}} \
 124         "size-7.exe" \
 125     ] \
 126     [list \
 127         "Build libsize-8.so" \
 128         "-shared" "-fPIC" \
 129         {size-8b.c} \
 130         {} \
 131         "libsize-8.so" \
 132     ] \
 133     [list \
 134         "Build size-8" \
 135         "$NOPIE_LDFLAGS -Wl,--no-as-needed,-z,notext tmpdir/libsize-8.so" \
 136         "$NOPIE_CFLAGS" \
 137         {size-8a.c} \
 138         {{readelf -rW size-8.rd}} \
 139         "size-8.exe" \
 140     ] \
 141     [list \
 142         "Build libsize-9.so" \
 143         "-shared $NOSANITIZE_CFLAGS" \
 144         "-fPIC $NOSANITIZE_CFLAGS" \
 145         {size-9b.c} \
 146         {{readelf -rW size-9.rd}} \
 147         "libsize-9.so" \
 148     ] \
 149     [list \
 150         "Build libsize-10.so" \
 151         "-shared" \
 152         "-fPIC" \
 153         {size-10b.c} \
 154         {{readelf -rW size-10.rd}} \
 155         "libsize-10.so" \
 156     ] \
 157 ]
 158
 159 # Check if size relocation works at run-time.
 160 catch "exec tmpdir/size-7.exe > tmpdir/dump.out" exec_output
 161 if ![string match "" $exec_output] then {
 162     send_log "No run-time size relocation support: $exec_output\n"
 163     verbose "No run-time size relocation support: $exec_output" 1
 164     return
 165 }
 166
 167 if { [regexp_diff "tmpdir/dump.out" "$srcdir/$subdir/size-7.out" ] } then {
 168     verbose "output is [file_contents "tmpdir/dump.out"]" 2
 169     fail "Run-time size relocation"
 170     return
 171 }
 172
 173 # Run-time size relocation tests.
 174 run_ld_link_exec_tests [list \
 175     [list \
 176         "Run size-1" \
 177         "-Wl,--no-as-needed tmpdir/libsize-1.so" \
 178         "" \
 179         {size-1.c} \
 180         "size-1" \
 181         "size-1.out" \
 182     ] \
 183     [list \
 184         "Run size-2" \
 185         "-Wl,--no-as-needed tmpdir/libsize-2.so" \
 186         "" \
 187         {size-2.c} \
 188         "size-2" \
 189         "size-2.out" \
 190     ] \
 191     [list \
 192         "Run size-3a" \
 193         "" \
 194         "" \
 195         {size-3.c size-3a.c} \
 196         "size-3a" \
 197         "size-3.out" \
 198     ] \
 199     [list \
 200         "Run size-3b" \
 201         "-Wl,--no-as-needed tmpdir/libsize-3a.so" \
 202         "" \
 203         {size-3.c} \
 204         "size-3b" \
 205         "size-3.out" \
 206     ] \
 207     [list \
 208         "Run size-3c" \
 209         "" \
 210         "" \
 211         {size-3.c size-3b.c} \
 212         "size-3c" \
 213         "size-3.out" \
 214     ] \
 215     [list \
 216         "Run size-3d (1)" \
 217         "-Wl,--no-as-needed tmpdir/libsize-3b.so" \
 218         "" \
 219         {size-3.c} \
 220         "size-3d1" \
 221         "size-3.out" \
 222     ] \
 223     [list \
 224         "Run size-3d (2)" \
 225         "" \
 226         "" \
 227         {size-3.c size-3c.c} \
 228         "size-3d2" \
 229         "size-3.out" \
 230     ] \
 231     [list \
 232     {"Run size-3e" \
 233      "-Wl,--no-as-needed tmpdir/libsize-3c.so" "" \
 234      {size-3.c} "size-3e" "size-3.out"} \
 235     ] \
 236     [list \
 237         "Run size-4a" \
 238         "$NOPIE_LDFLAGS" \
 239         "" \
 240         {size-4a.c size-4b.c} \
 241         "size-4a" \
 242         "size-4.out" \
 243         "$NOPIE_CFLAGS" \
 244     ] \
 245     [list \
 246         "Run size-4b" \
 247         "$NOPIE_LDFLAGS" \
 248         "" \
 249         {size-4b.c size-4a.c} \
 250         "size-4b" \
 251         "size-4.out" \
 252         "$NOPIE_CFLAGS" \
 253     ] \
 254     [list \
 255         "Run size-5a" \
 256         "$NOPIE_LDFLAGS" \
 257         "" \
 258         {size-5a.c size-5b.c} \
 259         "size-5a" \
 260         "size-5.out" \
 261         "$NOPIE_CFLAGS" \
 262     ] \
 263     [list \
 264         "Run size-5b" \
 265         "$NOPIE_LDFLAGS" \
 266         "" \
 267         {size-5b.c size-5a.c} \
 268         "size-5b" \
 269         "size-5.out" \
 270         "$NOPIE_CFLAGS" \
 271     ] \
 272     [list \
 273         "Run size-6" \
 274         "$NOPIE_LDFLAGS -Wl,--no-as-needed tmpdir/libsize-6b.so" \
 275         "" \
 276         {size-6a.c} \
 277         "size-6" \
 278         "size-6.out" \
 279         "$NOPIE_CFLAGS" \
 280     ] \
 281     [list \
 282         "Run size-8" \
 283         "$NOPIE_LDFLAGS -Wl,--no-as-needed,--hash-style=gnu,-z,notext \
 284          tmpdir/libsize-8.so" \
 285         "" \
 286         {size-8a.c} \
 287         "size-8" \
 288         "size-8.out" \
 289         "$NOPIE_CFLAGS" \
 290     ] \
 291     [list \
 292         "Run size-9" \
 293         "-Wl,--no-as-needed tmpdir/libsize-9.so $NOSANITIZE_CFLAGS" \
 294         "" \
 295         {size-9a.c} \
 296         "size-9" \
 297         "size-9.out" \
 298         "$NOSANITIZE_CFLAGS" \
 299     ] \
 300     [list \
 301         "Run size-10" \
 302         "-Wl,--no-as-needed tmpdir/libsize-10.so" \
 303         "" \
 304         {size-10a.c} \
 305         "size-10" \
 306         "size-10.out" \
 307     ] \
 308 ]