| 1 | # Expect script for linker support of size relocations. |
| 2 | # |
| 3 | # Copyright (C) 2013-2018 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 relications 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 | && ![istarget "*-*-*aout*"] |
| 33 | && ![istarget "*-*-*oldld*"]))) } { |
| 34 | verbose "Size relocations tests not run - no target support" |
| 35 | return |
| 36 | } |
| 37 | |
| 38 | # So as to avoid rewriting every last test case here in a nacl variant, |
| 39 | # we use black magic to massage the generic cases into nacl-variant cases. |
| 40 | if [istarget "*-*-nacl*"] { |
| 41 | # Change all the -melf_i386 to -melf_i386_nacl so linking can succeed. |
| 42 | set options_regsub(ld) {-m(\\S+) -m\\1_nacl} |
| 43 | } |
| 44 | |
| 45 | set test_list [lsort [glob -nocomplain $srcdir/$subdir/*.d]] |
| 46 | foreach t $test_list { |
| 47 | # We need to strip the ".d", but can leave the dirname. |
| 48 | verbose [file rootname $t] |
| 49 | run_dump_test [file rootname $t] |
| 50 | } |
| 51 | |
| 52 | # We need a working compiler. |
| 53 | if { [which $CC] == 0 } { |
| 54 | verbose "Native size relocation tests not run - no compiler available" |
| 55 | return |
| 56 | } |
| 57 | |
| 58 | # Add $NOPIE_CFLAGS and $NOPIE_LDFLAGS if non-PIE is required. |
| 59 | global NOPIE_CFLAGS NOPIE_LDFLAGS |
| 60 | |
| 61 | run_cc_link_tests [list \ |
| 62 | [list \ |
| 63 | "Build libsize-1.so" \ |
| 64 | "-shared" \ |
| 65 | "-fPIC" \ |
| 66 | {size-1a.c size-1b.c} \ |
| 67 | {} \ |
| 68 | "libsize-1.so" \ |
| 69 | ] \ |
| 70 | [list \ |
| 71 | "Build libsize-2.so" \ |
| 72 | "-shared" \ |
| 73 | "-fPIC" \ |
| 74 | {size-2a.c size-2b.c} \ |
| 75 | {} \ |
| 76 | "libsize-2.so" \ |
| 77 | ] \ |
| 78 | [list \ |
| 79 | "Build libsize-3a.so" \ |
| 80 | "-shared" "-fPIC" \ |
| 81 | {size-3a.c} \ |
| 82 | {} \ |
| 83 | "libsize-3a.so" \ |
| 84 | ] \ |
| 85 | [list \ |
| 86 | "Build libsize-3b.so" \ |
| 87 | "-shared" \ |
| 88 | "-fPIC" \ |
| 89 | {size-3b.c} \ |
| 90 | {} \ |
| 91 | "libsize-3b.so" \ |
| 92 | ] \ |
| 93 | [list \ |
| 94 | "Build libsize-3c.so" \ |
| 95 | "-shared" \ |
| 96 | "-fPIC" \ |
| 97 | {size-3c.c} \ |
| 98 | {} \ |
| 99 | "libsize-3c.so" \ |
| 100 | ] \ |
| 101 | [list \ |
| 102 | "Build libsize-6b.so" \ |
| 103 | "-shared" \ |
| 104 | "-fPIC" \ |
| 105 | {size-6b.c} \ |
| 106 | {} \ |
| 107 | "libsize-6b.so" \ |
| 108 | ] \ |
| 109 | [list \ |
| 110 | "Build libsize-7.so" \ |
| 111 | "-shared" \ |
| 112 | "-fPIC" \ |
| 113 | {size-7b.c} \ |
| 114 | {} \ |
| 115 | "libsize-7.so" \ |
| 116 | ] \ |
| 117 | [list \ |
| 118 | "Build size-7" \ |
| 119 | "$NOPIE_LDFLAGS -Wl,--no-as-needed tmpdir/libsize-7.so" \ |
| 120 | "$NOPIE_CFLAGS" \ |
| 121 | {size-7a.c} \ |
| 122 | {{readelf -rW size-7.rd}} \ |
| 123 | "size-7.exe" \ |
| 124 | ] \ |
| 125 | [list \ |
| 126 | "Build libsize-8.so" \ |
| 127 | "-shared" "-fPIC" \ |
| 128 | {size-8b.c} \ |
| 129 | {} \ |
| 130 | "libsize-8.so" \ |
| 131 | ] \ |
| 132 | [list \ |
| 133 | "Build size-8" \ |
| 134 | "$NOPIE_LDFLAGS -Wl,--no-as-needed tmpdir/libsize-8.so" \ |
| 135 | "$NOPIE_CFLAGS" \ |
| 136 | {size-8a.c} \ |
| 137 | {{readelf -rW size-8.rd}} \ |
| 138 | "size-8.exe" \ |
| 139 | ] \ |
| 140 | [list \ |
| 141 | "Build libsize-9.so" \ |
| 142 | "-shared" \ |
| 143 | "-fPIC" \ |
| 144 | {size-9b.c} \ |
| 145 | {{readelf -rW size-9.rd}} \ |
| 146 | "libsize-9.so" \ |
| 147 | ] \ |
| 148 | [list \ |
| 149 | "Build libsize-10.so" \ |
| 150 | "-shared" \ |
| 151 | "-fPIC" \ |
| 152 | {size-10b.c} \ |
| 153 | {{readelf -rW size-10.rd}} \ |
| 154 | "libsize-10.so" \ |
| 155 | ] \ |
| 156 | ] |
| 157 | |
| 158 | # Check if size relocation works at run-time. |
| 159 | catch "exec tmpdir/size-7.exe > tmpdir/dump.out" exec_output |
| 160 | if ![string match "" $exec_output] then { |
| 161 | send_log "No run-time size relocation support: $exec_output\n" |
| 162 | verbose "No run-time size relocation support: $exec_output" 1 |
| 163 | return |
| 164 | } |
| 165 | |
| 166 | if { [regexp_diff "tmpdir/dump.out" "$srcdir/$subdir/size-7.out" ] } then { |
| 167 | verbose "output is [file_contents "tmpdir/dump.out"]" 2 |
| 168 | fail "Run-time size relocation" |
| 169 | return |
| 170 | } |
| 171 | |
| 172 | # Run-time size relocation tests. |
| 173 | run_ld_link_exec_tests [list \ |
| 174 | [list \ |
| 175 | "Run size-1" \ |
| 176 | "-Wl,--no-as-needed tmpdir/libsize-1.so" \ |
| 177 | "" \ |
| 178 | {size-1.c} \ |
| 179 | "size-1" \ |
| 180 | "size-1.out" \ |
| 181 | ] \ |
| 182 | [list \ |
| 183 | "Run size-2" \ |
| 184 | "-Wl,--no-as-needed tmpdir/libsize-2.so" \ |
| 185 | "" \ |
| 186 | {size-2.c} \ |
| 187 | "size-2" \ |
| 188 | "size-2.out" \ |
| 189 | ] \ |
| 190 | [list \ |
| 191 | "Run size-3a" \ |
| 192 | "" \ |
| 193 | "" \ |
| 194 | {size-3.c size-3a.c} \ |
| 195 | "size-3a" \ |
| 196 | "size-3.out" \ |
| 197 | ] \ |
| 198 | [list \ |
| 199 | "Run size-3b" \ |
| 200 | "-Wl,--no-as-needed tmpdir/libsize-3a.so" \ |
| 201 | "" \ |
| 202 | {size-3.c} \ |
| 203 | "size-3b" \ |
| 204 | "size-3.out" \ |
| 205 | ] \ |
| 206 | [list \ |
| 207 | "Run size-3c" \ |
| 208 | "" \ |
| 209 | "" \ |
| 210 | {size-3.c size-3b.c} \ |
| 211 | "size-3c" \ |
| 212 | "size-3.out" \ |
| 213 | ] \ |
| 214 | [list \ |
| 215 | "Run size-3d (1)" \ |
| 216 | "-Wl,--no-as-needed tmpdir/libsize-3b.so" \ |
| 217 | "" \ |
| 218 | {size-3.c} \ |
| 219 | "size-3d1" \ |
| 220 | "size-3.out" \ |
| 221 | ] \ |
| 222 | [list \ |
| 223 | "Run size-3d (2)" \ |
| 224 | "" \ |
| 225 | "" \ |
| 226 | {size-3.c size-3c.c} \ |
| 227 | "size-3d2" \ |
| 228 | "size-3.out" \ |
| 229 | ] \ |
| 230 | [list \ |
| 231 | {"Run size-3e" |
| 232 | "-Wl,--no-as-needed tmpdir/libsize-3c.so" "" |
| 233 | {size-3.c} "size-3e" "size-3.out"} |
| 234 | ] \ |
| 235 | [list \ |
| 236 | "Run size-4a" \ |
| 237 | "$NOPIE_LDFLAGS" \ |
| 238 | "" \ |
| 239 | {size-4a.c size-4b.c} \ |
| 240 | "size-4a" \ |
| 241 | "size-4.out" \ |
| 242 | "$NOPIE_CFLAGS" \ |
| 243 | ] \ |
| 244 | [list \ |
| 245 | "Run size-4b" \ |
| 246 | "$NOPIE_LDFLAGS" \ |
| 247 | "" \ |
| 248 | {size-4b.c size-4a.c} \ |
| 249 | "size-4b" \ |
| 250 | "size-4.out" \ |
| 251 | "$NOPIE_CFLAGS" \ |
| 252 | ] \ |
| 253 | [list \ |
| 254 | "Run size-5a" \ |
| 255 | "$NOPIE_LDFLAGS" \ |
| 256 | "" \ |
| 257 | {size-5a.c size-5b.c} \ |
| 258 | "size-5a" \ |
| 259 | "size-5.out" \ |
| 260 | "$NOPIE_CFLAGS" \ |
| 261 | ] \ |
| 262 | [list \ |
| 263 | "Run size-5b" \ |
| 264 | "$NOPIE_LDFLAGS" \ |
| 265 | "" \ |
| 266 | {size-5b.c size-5a.c} \ |
| 267 | "size-5b" \ |
| 268 | "size-5.out" \ |
| 269 | "$NOPIE_CFLAGS" \ |
| 270 | ] \ |
| 271 | [list \ |
| 272 | "Run size-6" \ |
| 273 | "$NOPIE_LDFLAGS -Wl,--no-as-needed tmpdir/libsize-6b.so" \ |
| 274 | "" \ |
| 275 | {size-6a.c} \ |
| 276 | "size-6" \ |
| 277 | "size-6.out" \ |
| 278 | "$NOPIE_CFLAGS" \ |
| 279 | ] \ |
| 280 | [list \ |
| 281 | "Run size-8" \ |
| 282 | "$NOPIE_LDFLAGS -Wl,--no-as-needed,--hash-styl=gnu \ |
| 283 | tmpdir/libsize-8.so" \ |
| 284 | "" \ |
| 285 | {size-8a.c} \ |
| 286 | "size-8" \ |
| 287 | "size-8.out" \ |
| 288 | "$NOPIE_CFLAGS" \ |
| 289 | ] \ |
| 290 | [list \ |
| 291 | "Run size-9" \ |
| 292 | "-Wl,--no-as-needed tmpdir/libsize-9.so" \ |
| 293 | "" \ |
| 294 | {size-9a.c} \ |
| 295 | "size-9" \ |
| 296 | "size-9.out" \ |
| 297 | ] \ |
| 298 | [list \ |
| 299 | "Run size-10" \ |
| 300 | "-Wl,--no-as-needed tmpdir/libsize-10.so" \ |
| 301 | "" \ |
| 302 | {size-10a.c} \ |
| 303 | "size-10" \ |
| 304 | "size-10.out" \ |
| 305 | ] \ |
| 306 | ] |