ld/testsuite/ld-size/size.exp

   1 # Expect script for linker support of size relocations.
   2 #
   3 #   Copyright (C) 2013-2021 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 # So as to avoid rewriting every last test case here in a nacl variant,
  37 # we use black magic to massage the generic cases into nacl-variant cases.
  38 if [istarget "*-*-nacl*"] {
  39     # Change all the -melf_i386 to -melf_i386_nacl so linking can succeed.
  40     set options_regsub(ld) {-m(\\S+) -m\\1_nacl}
  41 }
  42
  43 set test_list [lsort [glob -nocomplain $srcdir/$subdir/*.d]]
  44 foreach t $test_list {
  45     # We need to strip the ".d", but can leave the dirname.
  46     verbose [file rootname $t]
  47     run_dump_test [file rootname $t]
  48 }
  49
  50 # We need a working compiler.
  51 if { ![check_compiler_available] } {
  52     verbose "Native size relocation tests not run - no compiler available"
  53     return
  54 }
  55
  56 run_cc_link_tests [list \
  57     [list \
  58         "Build libsize-1.so" \
  59         "-shared" \
  60         "-fPIC" \
  61         {size-1a.c size-1b.c} \
  62         {} \
  63         "libsize-1.so" \
  64     ] \
  65     [list \
  66         "Build libsize-2.so" \
  67         "-shared" \
  68         "-fPIC" \
  69         {size-2a.c size-2b.c} \
  70         {} \
  71         "libsize-2.so" \
  72     ] \
  73     [list \
  74         "Build libsize-3a.so" \
  75         "-shared" "-fPIC" \
  76         {size-3a.c} \
  77         {} \
  78         "libsize-3a.so" \
  79     ] \
  80     [list \
  81         "Build libsize-3b.so" \
  82         "-shared" \
  83         "-fPIC" \
  84         {size-3b.c} \
  85         {} \
  86         "libsize-3b.so" \
  87     ] \
  88     [list \
  89         "Build libsize-3c.so" \
  90         "-shared" \
  91         "-fPIC" \
  92         {size-3c.c} \
  93         {} \
  94         "libsize-3c.so" \
  95     ] \
  96     [list \
  97         "Build libsize-6b.so" \
  98         "-shared" \
  99         "-fPIC" \
 100         {size-6b.c} \
 101         {} \
 102         "libsize-6b.so" \
 103     ] \
 104     [list \
 105         "Build libsize-7.so" \
 106         "-shared" \
 107         "-fPIC" \
 108         {size-7b.c} \
 109         {} \
 110         "libsize-7.so" \
 111     ] \
 112     [list \
 113         "Build size-7" \
 114         "$NOPIE_LDFLAGS -Wl,--no-as-needed,-z,notext tmpdir/libsize-7.so" \
 115         "$NOPIE_CFLAGS" \
 116         {size-7a.c} \
 117         {{readelf -rW size-7.rd}} \
 118         "size-7.exe" \
 119     ] \
 120     [list \
 121         "Build libsize-8.so" \
 122         "-shared" "-fPIC" \
 123         {size-8b.c} \
 124         {} \
 125         "libsize-8.so" \
 126     ] \
 127     [list \
 128         "Build size-8" \
 129         "$NOPIE_LDFLAGS -Wl,--no-as-needed,-z,notext tmpdir/libsize-8.so" \
 130         "$NOPIE_CFLAGS" \
 131         {size-8a.c} \
 132         {{readelf -rW size-8.rd}} \
 133         "size-8.exe" \
 134     ] \
 135     [list \
 136         "Build libsize-9.so" \
 137         "-shared $NOSANITIZE_CFLAGS" \
 138         "-fPIC $NOSANITIZE_CFLAGS" \
 139         {size-9b.c} \
 140         {{readelf -rW size-9.rd}} \
 141         "libsize-9.so" \
 142     ] \
 143     [list \
 144         "Build libsize-10.so" \
 145         "-shared" \
 146         "-fPIC" \
 147         {size-10b.c} \
 148         {{readelf -rW size-10.rd}} \
 149         "libsize-10.so" \
 150     ] \
 151 ]
 152
 153 # Check if size relocation works at run-time.
 154 catch "exec tmpdir/size-7.exe > tmpdir/dump.out" exec_output
 155 if ![string match "" $exec_output] then {
 156     send_log "No run-time size relocation support: $exec_output\n"
 157     verbose "No run-time size relocation support: $exec_output" 1
 158     return
 159 }
 160
 161 if { [regexp_diff "tmpdir/dump.out" "$srcdir/$subdir/size-7.out" ] } then {
 162     verbose "output is [file_contents "tmpdir/dump.out"]" 2
 163     fail "Run-time size relocation"
 164     return
 165 }
 166
 167 # Run-time size relocation tests.
 168 run_ld_link_exec_tests [list \
 169     [list \
 170         "Run size-1" \
 171         "-Wl,--no-as-needed tmpdir/libsize-1.so" \
 172         "" \
 173         {size-1.c} \
 174         "size-1" \
 175         "size-1.out" \
 176     ] \
 177     [list \
 178         "Run size-2" \
 179         "-Wl,--no-as-needed tmpdir/libsize-2.so" \
 180         "" \
 181         {size-2.c} \
 182         "size-2" \
 183         "size-2.out" \
 184     ] \
 185     [list \
 186         "Run size-3a" \
 187         "" \
 188         "" \
 189         {size-3.c size-3a.c} \
 190         "size-3a" \
 191         "size-3.out" \
 192     ] \
 193     [list \
 194         "Run size-3b" \
 195         "-Wl,--no-as-needed tmpdir/libsize-3a.so" \
 196         "" \
 197         {size-3.c} \
 198         "size-3b" \
 199         "size-3.out" \
 200     ] \
 201     [list \
 202         "Run size-3c" \
 203         "" \
 204         "" \
 205         {size-3.c size-3b.c} \
 206         "size-3c" \
 207         "size-3.out" \
 208     ] \
 209     [list \
 210         "Run size-3d (1)" \
 211         "-Wl,--no-as-needed tmpdir/libsize-3b.so" \
 212         "" \
 213         {size-3.c} \
 214         "size-3d1" \
 215         "size-3.out" \
 216     ] \
 217     [list \
 218         "Run size-3d (2)" \
 219         "" \
 220         "" \
 221         {size-3.c size-3c.c} \
 222         "size-3d2" \
 223         "size-3.out" \
 224     ] \
 225     [list \
 226     {"Run size-3e" \
 227      "-Wl,--no-as-needed tmpdir/libsize-3c.so" "" \
 228      {size-3.c} "size-3e" "size-3.out"} \
 229     ] \
 230     [list \
 231         "Run size-4a" \
 232         "$NOPIE_LDFLAGS" \
 233         "" \
 234         {size-4a.c size-4b.c} \
 235         "size-4a" \
 236         "size-4.out" \
 237         "$NOPIE_CFLAGS" \
 238     ] \
 239     [list \
 240         "Run size-4b" \
 241         "$NOPIE_LDFLAGS" \
 242         "" \
 243         {size-4b.c size-4a.c} \
 244         "size-4b" \
 245         "size-4.out" \
 246         "$NOPIE_CFLAGS" \
 247     ] \
 248     [list \
 249         "Run size-5a" \
 250         "$NOPIE_LDFLAGS" \
 251         "" \
 252         {size-5a.c size-5b.c} \
 253         "size-5a" \
 254         "size-5.out" \
 255         "$NOPIE_CFLAGS" \
 256     ] \
 257     [list \
 258         "Run size-5b" \
 259         "$NOPIE_LDFLAGS" \
 260         "" \
 261         {size-5b.c size-5a.c} \
 262         "size-5b" \
 263         "size-5.out" \
 264         "$NOPIE_CFLAGS" \
 265     ] \
 266     [list \
 267         "Run size-6" \
 268         "$NOPIE_LDFLAGS -Wl,--no-as-needed tmpdir/libsize-6b.so" \
 269         "" \
 270         {size-6a.c} \
 271         "size-6" \
 272         "size-6.out" \
 273         "$NOPIE_CFLAGS" \
 274     ] \
 275     [list \
 276         "Run size-8" \
 277         "$NOPIE_LDFLAGS -Wl,--no-as-needed,--hash-styl=gnu,-z,notext \
 278          tmpdir/libsize-8.so" \
 279         "" \
 280         {size-8a.c} \
 281         "size-8" \
 282         "size-8.out" \
 283         "$NOPIE_CFLAGS" \
 284     ] \
 285     [list \
 286         "Run size-9" \
 287         "-Wl,--no-as-needed tmpdir/libsize-9.so $NOSANITIZE_CFLAGS" \
 288         "" \
 289         {size-9a.c} \
 290         "size-9" \
 291         "size-9.out" \
 292         "$NOSANITIZE_CFLAGS" \
 293     ] \
 294     [list \
 295         "Run size-10" \
 296         "-Wl,--no-as-needed tmpdir/libsize-10.so" \
 297         "" \
 298         {size-10a.c} \
 299         "size-10" \
 300         "size-10.out" \
 301     ] \
 302 ]