ld/testsuite/config/default.exp

   1 # Basic expect script for LD Regression Tests
   2 #   Copyright (C) 1993-2016 Free Software Foundation, Inc.
   3 #
   4 # This file is part of the GNU Binutils.
   5 #
   6 # This file 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 # Written by Jeffrey Wheat (cassidy@cygnus.com)
  22 #
  23
  24 if ![info exists ld] then {
  25     set ld [findfile $base_dir/ld-new $base_dir/ld-new [transform ld]]
  26 }
  27
  28 if ![info exists as] then {
  29     set as [findfile $base_dir/../gas/as-new $base_dir/../gas/as-new [transform as]]
  30 }
  31
  32 if ![info exists nm] then {
  33     set nm [findfile $base_dir/../binutils/nm-new $base_dir/../binutils/nm-new [transform nm]]
  34 }
  35
  36 if ![info exists objdump] then {
  37     set objdump [findfile $base_dir/../binutils/objdump]
  38 }
  39
  40 if ![info exists objcopy] then {
  41     set objcopy [findfile $base_dir/../binutils/objcopy]
  42 }
  43
  44 if ![info exists ar] then {
  45     set ar [findfile $base_dir/../binutils/ar]
  46 }
  47
  48 if ![info exists strip] then {
  49     set strip [findfile $base_dir/../binutils/strip-new $base_dir/../binutils/strip-new [transform strip]]
  50 }
  51
  52 if ![info exists size] then {
  53     set size [findfile $base_dir/../binutils/size]
  54 }
  55
  56 remote_exec host "mkdir -p tmpdir"
  57
  58 # Make symlinks from tmpdir/ld to the linker and assembler in the
  59 # build tree, so that we can use a -B option to gcc to force it to use
  60 # the newly built linker and assembler.
  61 if {![file isdirectory tmpdir/ld]} then {
  62     catch "exec mkdir tmpdir/ld" status
  63     catch "exec ln -s ../../ld-new tmpdir/ld/ld" status
  64     catch "exec ln -s ld tmpdir/ld/collect-ld" status
  65     catch "exec ln -s ../../../gas/as-new tmpdir/ld/as" status
  66 }
  67 set gcc_B_opt "-B[pwd]/tmpdir/ld/"
  68
  69 # load the linker path
  70 set ld_L_opt ""
  71 if {[file exists tmpdir/libpath.exp]} {
  72     load_lib tmpdir/libpath.exp
  73
  74     foreach dir $libpath {
  75         append ld_L_opt " -L$dir"
  76     }
  77 }
  78
  79 # The "make check" target in the Makefile passes in
  80 # "CC=$(CC_FOR_TARGET)".  But, if the user invokes runtest directly
  81 # (as when testing an installed linker), these flags may not be set.
  82 if {![info exists CC]} {
  83     set CC [find_gcc]
  84 }
  85 if {![info exists CFLAGS]} {
  86     set CFLAGS "-g -O2"
  87 }
  88 if {![info exists CXX]} {
  89     set CXX [find_g++]
  90 }
  91 if {![info exists CXXFLAGS]} {
  92     set CXXFLAGS ""
  93 }
  94
  95 # The mips64-*-linux-gnu compiler defaults to the N32 ABI after
  96 # installed, but to the O32 ABI in the build tree, because of some
  97 # specs-file hacks.  Make sure we use an ABI that is compatible with
  98 # the one we expect.
  99 if {[istarget mips64*-*-linux*] &&
 100     (![board_info [target_info name] exists multilib_flags] ||
 101      ![string match "*-mabi" [board_info [target_info name] multilib_flags]])
 102    } {
 103     append gcc_B_opt " -mabi=n32"
 104 }
 105
 106 if { [istarget rx-*-*] } {
 107     global ASFLAGS
 108     set ASFLAGS "-muse-conventional-section-names"
 109 }
 110
 111 # load the utility procedures
 112 load_lib ld-lib.exp
 113
 114 proc get_link_files {varname} {
 115     global $varname
 116     global target_triplet
 117     global srcdir
 118     global CC
 119     if ![info exists $varname] {
 120         #configure.host returns variables that can be substituted into
 121         #makefile rules, with embedded shell variable expansions.
 122         #make wants $$shell_var, we want $shell_var ...
 123         set cmd "host='$target_triplet' && . $srcdir/../configure.host && sed -e 's,\\\$\\\$,\$,g' <<EOF\n\$$varname\nEOF"
 124         set status [catch "exec sh -c [list $cmd]" result]
 125         if $status { error "Error getting native link files: $result" }
 126         set cmd "CC='$CC' && eval echo \"$result\""
 127         set status [catch "exec sh -c [list $cmd]" result]
 128         if $status { error "Error getting native link files: $result" }
 129         set $varname $result
 130         send_log "$varname = $result\n"
 131     }
 132 }
 133
 134 proc get_target_emul {} {
 135     global target_triplet
 136     global srcdir
 137     set status [catch "exec sh -c \"targ='$target_triplet' && . $srcdir/../configure.tgt && echo \\\$targ_emul\"" result]
 138     if $status { error "Error getting emulation name: $result" }
 139     return $result
 140 }
 141
 142 if [isnative] {
 143     foreach x {HOSTING_CRT0 HOSTING_SCRT0 HOSTING_LIBS HOSTING_SLIBS} {
 144         get_link_files $x
 145     }
 146 } else {
 147     foreach x {HOSTING_CRT0 HOSTING_SCRT0 HOSTING_LIBS HOSTING_SLIBS} { set $x "" }
 148 }
 149 if ![info exists HOSTING_EMU] { set HOSTING_EMU "-m [get_target_emul]" }
 150
 151 #
 152 # ld_version -- extract and print the version number of ld compiler (GCC)
 153 #
 154 proc ld_version {} {
 155     global ld
 156     default_ld_version $ld
 157 }
 158
 159 #
 160 # ld_exit -- just a stub for ld
 161 #
 162 proc ld_exit {} {
 163 }
 164
 165 #
 166 # ld_start
 167 #       relink the linker
 168 #
 169 proc ld_start { ld target } {
 170         #
 171 }
 172
 173 #
 174 # ld_relocate
 175 #       link an object using relocation
 176 #
 177 proc ld_relocate { ld target objects } {
 178         default_ld_relocate $ld $target $objects
 179 }
 180
 181 #
 182 # ld_link
 183 #       link a program using ld
 184 #
 185 proc ld_link { ld target objects } {
 186         default_ld_link $ld $target $objects
 187 }
 188
 189 #
 190 # ld_simple_link
 191 #       link a program using ld, without including any libraries
 192 #
 193 proc ld_simple_link { ld target objects } {
 194         default_ld_simple_link $ld $target $objects
 195 }
 196
 197 #
 198 # ld_compile
 199 #       compile an object using $cc
 200 #
 201 proc ld_compile { cc source object } {
 202         default_ld_compile $cc $source $object
 203 }
 204
 205 #
 206 # ld_assemble
 207 #       assemble a file
 208 #
 209 proc ld_assemble { as source object } {
 210         default_ld_assemble $as "" $source $object
 211 }
 212
 213 #
 214 # ld_assemble_flags
 215 #       assemble a file with extra flags
 216 #
 217 proc ld_assemble_flags { as flags source object } {
 218         default_ld_assemble $as $flags $source $object
 219 }
 220
 221 #
 222 # ld_nm
 223 #       run nm on a file
 224 #
 225 proc ld_nm { nm nmflags object } {
 226         default_ld_nm $nm $nmflags $object
 227 }
 228
 229 #
 230 # ld_exec
 231 #       execute ithe target
 232 #
 233 proc ld_exec { target output } {
 234         default_ld_exec $target $output
 235 }
 236
 237 # From gas-defs.exp, to support run_dump_test.
 238 if ![info exists AS] then {
 239     set AS $as
 240 }
 241
 242 if ![info exists ASFLAGS] then {
 243     set ASFLAGS ""
 244 }
 245
 246 if ![info exists OBJDUMP] then {
 247     set OBJDUMP $objdump
 248 }
 249
 250 if ![info exists OBJDUMPFLAGS] then {
 251     set OBJDUMPFLAGS {}
 252 }
 253
 254 if ![info exists NM] then {
 255     set NM $nm
 256 }
 257
 258 if ![info exists NMFLAGS] then {
 259     set NMFLAGS {}
 260 }
 261
 262 if ![info exists OBJCOPY] then {
 263     set OBJCOPY $objcopy
 264 }
 265
 266 if ![info exists OBJCOPYFLAGS] then {
 267     set OBJCOPYFLAGS {}
 268 }
 269
 270 if ![info exists READELF] then {
 271     set READELF [findfile $base_dir/../binutils/readelf]
 272 }
 273
 274 if ![info exists READELFFLAGS] then {
 275     set READELFFLAGS {}
 276 }
 277
 278 if ![info exists LD] then {
 279     set LD [findfile $base_dir/ld-new ./ld-new [transform ld]]
 280 }
 281
 282 if ![info exists LDFLAGS] then {
 283     set LDFLAGS {}
 284 }
 285
 286 # Set PLT_CFLAGS to "-fplt" if target compiler supports it.
 287
 288 if { ![info exists PLT_CFLAGS] } then {
 289     if { [which $CC] != 0 } {
 290         # Check if gcc supports -fplt
 291         set flags ""
 292         if [board_info [target_info name] exists cflags] {
 293             append flags " [board_info [target_info name] cflags]"
 294         }
 295         if [board_info [target_info name] exists ldflags] {
 296             append flags " [board_info [target_info name] ldflags]"
 297         }
 298
 299         set basename "tmpdir/plt[pid]"
 300         set src ${basename}.c
 301         set output ${basename}.o
 302         set f [open $src "w"]
 303         puts $f ""
 304         close $f
 305         remote_download host $src
 306         set plt_available [run_host_cmd_yesno "$CC" "$flags -c -fplt $src -o $output"]
 307         remote_file host delete $src
 308         remote_file host delete $output
 309         file delete $src
 310
 311         if { $plt_available == 1 } then {
 312             set PLT_CFLAGS "-fplt"
 313         } else {
 314             set PLT_CFLAGS ""
 315         }
 316     } else {
 317         set PLT_CFLAGS ""
 318     }
 319 }
 320
 321 # Set NOPIE_CFLAGS to "-fno-PIE" and NOPIE_LDFLAGS to "-no-pie" if
 322 # target compiler supports them.
 323
 324 if { ![info exists NOPIE_CFLAGS] || ![info exists NOPIE_LDFLAGS] } then {
 325     if { [which $CC] != 0 } {
 326         # Check if gcc supports -fno-PIE -no-pie.
 327         set flags ""
 328         if [board_info [target_info name] exists cflags] {
 329             append flags " [board_info [target_info name] cflags]"
 330         }
 331         if [board_info [target_info name] exists ldflags] {
 332             append flags " [board_info [target_info name] ldflags]"
 333         }
 334
 335         set basename "tmpdir/nopie[pid]"
 336         set src ${basename}.c
 337         set output ${basename}
 338         set f [open $src "w"]
 339         puts $f "int main (void) { return 0; }"
 340         close $f
 341         remote_download host $src
 342         set nopie_available [run_host_cmd_yesno "$CC" "$flags -fno-PIE -no-pie $src -o $output"]
 343         remote_file host delete $src
 344         remote_file host delete $output
 345         file delete $src
 346
 347         if { $nopie_available == 1 } then {
 348             set NOPIE_CFLAGS "-fno-PIE"
 349             set NOPIE_LDFLAGS "-no-pie"
 350         } else {
 351             set NOPIE_CFLAGS ""
 352             set NOPIE_LDFLAGS ""
 353         }
 354     } else {
 355         set NOPIE_CFLAGS ""
 356         set NOPIE_LDFLAGS ""
 357     }
 358 }