ld/testsuite/ld-x86-64/tls.exp

   1 # Expect script for x86-64 TLS tests.
   2 #   Copyright (C) 2016-2021 Free Software Foundation, Inc.
   3 #
   4 # This file is part of the GNU Binutils.
   5 #
   6 # This program is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 3 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program; if not, write to the Free Software
  18 # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  19 # MA 02110-1301, USA.
  20 #
  21
  22 # The following tests require running the executable generated by ld,
  23 # or enough of a build environment to create a fully linked executable.
  24 # This is not commonly available when testing a cross-built linker.
  25 if ![isnative] {
  26     return
  27 }
  28
  29 # Only on Linux for now.
  30 if ![istarget "x86_64-*-linux*"] {
  31     return
  32 }
  33
  34 # Check to see if the C compiler works
  35 if { ![check_compiler_available] } {
  36     return
  37 }
  38
  39 run_cc_link_tests [list \
  40     [list \
  41         "Build tls-def1.o tls-main1.o" \
  42         "" \
  43         "-fPIE -Wa,-mx86-used-note=yes" \
  44         {tls-def1.c tls-main1.c} \
  45     ] \
  46     [list \
  47         "Build tls-gd1.o tls-ld1.o" \
  48         "" \
  49         "-fPIC -Wa,-mrelax-relocations=yes,-mx86-used-note=yes" \
  50         {tls-gd1.S tls-ld1.S} \
  51     ] \
  52     [list \
  53         "Build libtls-1a.so" \
  54         "-shared tmpdir/tls-def1.o" \
  55         "-Wa,-mx86-used-note=yes" \
  56         {dummy.s} \
  57         {} \
  58         "libtls-1a.so" \
  59     ] \
  60     [list \
  61         "Build libtls-1b.so" \
  62         "-shared tmpdir/tls-gd1.o tmpdir/tls-ld1.o" \
  63         "-Wa,-mx86-used-note=yes" \
  64         {dummy.s} \
  65         {} \
  66         "libtls-1b.so" \
  67     ] \
  68     [list \
  69         "Build libtls-1bn.so" \
  70         "-Wl,-z,now -shared tmpdir/tls-gd1.o tmpdir/tls-ld1.o" \
  71         "-Wa,-mx86-used-note=yes" \
  72         {dummy.s} \
  73         {} \
  74         "libtls-1bn.so" \
  75     ] \
  76 ]
  77
  78 run_ld_link_exec_tests [list \
  79     [list \
  80         "TLS GD/LD -> LE transition without PLT (dynamic)" \
  81         "tmpdir/tls-def1.o tmpdir/tls-main1.o tmpdir/tls-gd1.o \
  82          tmpdir/tls-ld1.o" \
  83         "-Wa,-mx86-used-note=yes" \
  84         { dummy.s } \
  85         "tls-1a" \
  86         "pass.out" \
  87     ] \
  88     [list \
  89         "TLS GD/LD -> LE transition without PLT (dynamic, -z now)" \
  90         "-Wl,-z,now tmpdir/tls-def1.o tmpdir/tls-main1.o tmpdir/tls-gd1.o \
  91          tmpdir/tls-ld1.o" \
  92         "-Wa,-mx86-used-note=yes" \
  93         { dummy.s } \
  94         "tls-1an" \
  95         "pass.out" \
  96     ] \
  97     [list \
  98         "TLS GD/LD -> LE transition without PLT (PIE)" \
  99         "-pie tmpdir/tls-def1.o tmpdir/tls-main1.o tmpdir/tls-gd1.o \
 100          tmpdir/tls-ld1.o" \
 101         "-Wa,-mx86-used-note=yes" \
 102         { dummy.s } \
 103         "tls-1b" \
 104         "pass.out" \
 105     ] \
 106     [list \
 107         "TLS GD/LD -> LE transition without PLT (PIE, -z now)" \
 108         "-pie -Wl,-z,now tmpdir/tls-def1.o tmpdir/tls-main1.o tmpdir/tls-gd1.o \
 109          tmpdir/tls-ld1.o" \
 110         "-Wa,-mx86-used-note=yes" \
 111         { dummy.s } \
 112         "tls-1bn" \
 113         "pass.out" \
 114     ] \
 115     [list \
 116         "TLS GD/LD -> LE transition without PLT (static)" \
 117         "-static tmpdir/tls-def1.o tmpdir/tls-main1.o tmpdir/tls-gd1.o \
 118          tmpdir/tls-ld1.o" \
 119         "-Wa,-mx86-used-note=yes" \
 120         { dummy.s } \
 121         "tls-1c" \
 122         "pass.out" \
 123     ] \
 124     [list \
 125         "TLS GD/LD -> IE transition without PLT" \
 126         "-Wl,--no-as-needed,-R,tmpdir tmpdir/tls-main1.o \
 127          tmpdir/tls-gd1.o tmpdir/tls-ld1.o tmpdir/libtls-1a.so" \
 128         "-Wa,-mx86-used-note=yes" \
 129         { dummy.s } \
 130         "tls-1d" \
 131         "pass.out" \
 132     ] \
 133     [list \
 134         "TLS GD/LD -> IE transition without PLT (-z now)" \
 135         "-Wl,-z,now tmpdir/tls-main1.o tmpdir/tls-gd1.o tmpdir/tls-ld1.o \
 136          tmpdir/libtls-1a.so -Wl,-R,tmpdir" \
 137         "-Wa,-mx86-used-note=yes" \
 138         { dummy.s } \
 139         "tls-1dn" \
 140         "pass.out" \
 141     ] \
 142     [list \
 143         "TLS without PLT (1)" \
 144         "-Wl,--no-as-needed,-R,tmpdir tmpdir/tls-main1.o \
 145          tmpdir/libtls-1a.so tmpdir/libtls-1b.so" \
 146         "-Wa,-mx86-used-note=yes" \
 147         { dummy.s } \
 148         "tls-1e" \
 149         "pass.out" \
 150     ] \
 151     [list \
 152         "TLS without PLT (2)" \
 153         "-Wl,--no-as-needed,-R,tmpdir tmpdir/tls-main1.o \
 154          tmpdir/tls-def1.o tmpdir/libtls-1b.so" \
 155         "-Wa,-mx86-used-note=yes" \
 156         { dummy.s } \
 157         "tls-1f" \
 158         "pass.out" \
 159     ] \
 160     [list \
 161         "TLS without PLT (3)" \
 162         "-Wl,--no-as-needed -Wl,-z,now tmpdir/tls-main1.o \
 163          tmpdir/libtls-1a.so tmpdir/libtls-1bn.so -Wl,-R,tmpdir" \
 164         "-Wa,-mx86-used-note=yes" \
 165         { dummy.s } \
 166         "tls-1en" \
 167         "pass.out" \
 168     ] \
 169     [list \
 170         "TLS without PLT (4)" \
 171         "-Wl,-z,now tmpdir/tls-main1.o tmpdir/tls-def1.o \
 172          tmpdir/libtls-1bn.so -Wl,-R,tmpdir" \
 173         "-Wa,-mx86-used-note=yes" \
 174         { dummy.s } \
 175         "tls-1fn" \
 176         "pass.out" \
 177     ] \
 178 ]
 179
 180 # Skip if -mtls-dialect=gnu2 doesn't work.
 181 if { ![run_host_cmd_yesno $CC "-c -O2 -fPIC $GNU2_CFLAGS $srcdir/$subdir/tlsdesc1b.c -o tmpdir/tlsdesc1b.o"] } {
 182     return
 183 }
 184
 185 run_cc_link_tests [list \
 186     [list \
 187         "Build libtlsdesc1.so" \
 188         "-shared" \
 189         "-fPIC $GNU2_CFLAGS -Wa,-mx86-used-note=yes" \
 190         { tlsdesc1b.c } \
 191         {} \
 192         "libtlsdesc1.so" \
 193     ] \
 194     [list \
 195         "Build libtlsdesc1n.so" \
 196         "-Wl,-z,now -shared" \
 197         "-fPIC $GNU2_CFLAGS -Wa,-mx86-used-note=yes" \
 198         { tlsdesc1b.c } \
 199         {} \
 200         "libtlsdesc1n.so" \
 201     ] \
 202 ]
 203
 204 # Run-time tests which require working GNU2 TLS support.
 205 if { ![check_gnu2_tls_available] } {
 206     return
 207 }
 208
 209 if { [at_least_gcc_version 5 0] } {
 210     run_ld_link_exec_tests [list \
 211         [list \
 212             "Run tlsdesc1" \
 213             "-Wl,--no-as-needed tmpdir/libtlsdesc1.so" \
 214             "-Wa,-mx86-used-note=yes" \
 215             { tlsdesc1a.c } \
 216             "tlsdesc1a" \
 217             "pass.out" \
 218             "$GNU2_CFLAGS" \
 219         ] \
 220         [list \
 221             "Run tlsdesc1 with PIE" \
 222             "-pie -Wl,--no-as-needed tmpdir/libtlsdesc1.so" \
 223             "-Wa,-mx86-used-note=yes" \
 224             { tlsdesc1a.c } \
 225             "tlsdesc1c" \
 226             "pass.out" \
 227             "-fPIE $GNU2_CFLAGS" \
 228         ] \
 229     ]
 230 }
 231
 232 run_ld_link_exec_tests [list \
 233     [list \
 234         "Run tlsdesc1 (-z now)" \
 235         "-Wl,-z,now -Wl,--no-as-needed tmpdir/libtlsdesc1n.so" \
 236         "-Wa,-mx86-used-note=yes" \
 237         { tlsdesc1a.c } \
 238         "tlsdesc1b" \
 239         "pass.out" \
 240         "$GNU2_CFLAGS" \
 241     ] \
 242     [list \
 243         "Run tlsdesc1 with PIE (-z now)" \
 244         "-pie -Wl,-z,now -Wl,--no-as-needed tmpdir/libtlsdesc1n.so" \
 245         "-Wa,-mx86-used-note=yes" \
 246         { tlsdesc1a.c } \
 247         "tlsdesc1d" \
 248         "pass.out" \
 249         "-fPIE $GNU2_CFLAGS" \
 250     ] \
 251 ]