ld/testsuite/config/default.exp

   1 # Basic expect script for LD Regression Tests
   2 #   Copyright (C) 1993-2015 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 remote_exec host "mkdir -p tmpdir"
  53
  54 # Make symlinks from tmpdir/ld to the linker and assembler in the
  55 # build tree, so that we can use a -B option to gcc to force it to use
  56 # the newly built linker and assembler.
  57 if {![file isdirectory tmpdir/ld]} then {
  58     catch "exec mkdir tmpdir/ld" status
  59     catch "exec ln -s ../../ld-new tmpdir/ld/ld" status
  60     catch "exec ln -s ld tmpdir/ld/collect-ld" status
  61     catch "exec ln -s ../../../gas/as-new tmpdir/ld/as" status
  62 }
  63 set gcc_B_opt "-B[pwd]/tmpdir/ld/"
  64
  65 # load the linker path
  66 set ld_L_opt ""
  67 if {[file exists tmpdir/libpath.exp]} {
  68     load_lib tmpdir/libpath.exp
  69
  70     foreach dir $libpath {
  71         append ld_L_opt " -L$dir"
  72     }
  73 }
  74
  75 # The "make check" target in the Makefile passes in
  76 # "CC=$(CC_FOR_TARGET)".  But, if the user invokes runtest directly
  77 # (as when testing an installed linker), these flags may not be set.
  78 if {![info exists CC]} {
  79     set CC [find_gcc]
  80 }
  81 if {![info exists CFLAGS]} {
  82     set CFLAGS "-g -O2"
  83 }
  84 if {![info exists CXX]} {
  85     set CXX [find_g++]
  86 }
  87 if {![info exists CXXFLAGS]} {
  88     set CXXFLAGS ""
  89 }
  90
  91 # The mips64-*-linux-gnu compiler defaults to the N32 ABI after
  92 # installed, but to the O32 ABI in the build tree, because of some
  93 # specs-file hacks.  Make sure we use an ABI that is compatible with
  94 # the one we expect.
  95 if {[istarget mips64*-*-linux*] &&
  96     (![board_info [target_info name] exists multilib_flags] ||
  97      ![string match "*-mabi" [board_info [target_info name] multilib_flags]])
  98    } {
  99     append gcc_B_opt " -mabi=n32"
 100 }
 101
 102 if { [istarget rx-*-*] } {
 103     global ASFLAGS
 104     set ASFLAGS "-muse-conventional-section-names"
 105 }
 106
 107 # load the utility procedures
 108 load_lib ld-lib.exp
 109
 110 proc get_link_files {varname} {
 111     global $varname
 112     global target_triplet
 113     global srcdir
 114     global CC
 115     if ![info exists $varname] {
 116         #configure.host returns variables that can be substituted into
 117         #makefile rules, with embedded shell variable expansions.
 118         #make wants $$shell_var, we want $shell_var ...
 119         set cmd "host='$target_triplet' && . $srcdir/../configure.host && sed -e 's,\\\$\\\$,\$,g' <<EOF\n\$$varname\nEOF"
 120         set status [catch "exec sh -c [list $cmd]" result]
 121         if $status { error "Error getting native link files: $result" }
 122         set cmd "CC='$CC' && eval echo \"$result\""
 123         set status [catch "exec sh -c [list $cmd]" result]
 124         if $status { error "Error getting native link files: $result" }
 125         set $varname $result
 126         send_log "$varname = $result\n"
 127     }
 128 }
 129
 130 proc get_target_emul {} {
 131     global target_triplet
 132     global srcdir
 133     set status [catch "exec sh -c \"targ='$target_triplet' && . $srcdir/../configure.tgt && echo \\\$targ_emul\"" result]
 134     if $status { error "Error getting emulation name: $result" }
 135     return $result
 136 }
 137
 138 if [isnative] {
 139     foreach x {HOSTING_CRT0 HOSTING_SCRT0 HOSTING_LIBS HOSTING_SLIBS} {
 140         get_link_files $x
 141     }
 142 } else {
 143     foreach x {HOSTING_CRT0 HOSTING_SCRT0 HOSTING_LIBS HOSTING_SLIBS} { set $x "" }
 144 }
 145 if ![info exists HOSTING_EMU] { set HOSTING_EMU "-m [get_target_emul]" }
 146
 147 #
 148 # ld_version -- extract and print the version number of ld compiler (GCC)
 149 #
 150 proc ld_version {} {
 151     global ld
 152     default_ld_version $ld
 153 }
 154
 155 #
 156 # ld_exit -- just a stub for ld
 157 #
 158 proc ld_exit {} {
 159 }
 160
 161 #
 162 # ld_start
 163 #       relink the linker
 164 #
 165 proc ld_start { ld target } {
 166         #
 167 }
 168
 169 #
 170 # ld_relocate
 171 #       link an object using relocation
 172 #
 173 proc ld_relocate { ld target objects } {
 174         default_ld_relocate $ld $target $objects
 175 }
 176
 177 #
 178 # ld_link
 179 #       link a program using ld
 180 #
 181 proc ld_link { ld target objects } {
 182         default_ld_link $ld $target $objects
 183 }
 184
 185 #
 186 # ld_simple_link
 187 #       link a program using ld, without including any libraries
 188 #
 189 proc ld_simple_link { ld target objects } {
 190         default_ld_simple_link $ld $target $objects
 191 }
 192
 193 #
 194 # ld_compile
 195 #       compile an object using $cc
 196 #
 197 proc ld_compile { cc source object } {
 198         default_ld_compile $cc $source $object
 199 }
 200
 201 #
 202 # ld_assemble
 203 #       assemble a file
 204 #
 205 proc ld_assemble { as source object } {
 206         default_ld_assemble $as "" $source $object
 207 }
 208
 209 #
 210 # ld_assemble_flags
 211 #       assemble a file with extra flags
 212 #
 213 proc ld_assemble_flags { as flags source object } {
 214         default_ld_assemble $as $flags $source $object
 215 }
 216
 217 #
 218 # ld_nm
 219 #       run nm on a file
 220 #
 221 proc ld_nm { nm nmflags object } {
 222         default_ld_nm $nm $nmflags $object
 223 }
 224
 225 #
 226 # ld_exec
 227 #       execute ithe target
 228 #
 229 proc ld_exec { target output } {
 230         default_ld_exec $target $output
 231 }
 232
 233 # From gas-defs.exp, to support run_dump_test.
 234 if ![info exists AS] then {
 235     set AS $as
 236 }
 237
 238 if ![info exists ASFLAGS] then {
 239     set ASFLAGS ""
 240 }
 241
 242 if ![info exists OBJDUMP] then {
 243     set OBJDUMP $objdump
 244 }
 245
 246 if ![info exists OBJDUMPFLAGS] then {
 247     set OBJDUMPFLAGS {}
 248 }
 249
 250 if ![info exists NM] then {
 251     set NM $nm
 252 }
 253
 254 if ![info exists NMFLAGS] then {
 255     set NMFLAGS {}
 256 }
 257
 258 if ![info exists OBJCOPY] then {
 259     set OBJCOPY $objcopy
 260 }
 261
 262 if ![info exists OBJCOPYFLAGS] then {
 263     set OBJCOPYFLAGS {}
 264 }
 265
 266 if ![info exists READELF] then {
 267     set READELF [findfile $base_dir/../binutils/readelf]
 268 }
 269
 270 if ![info exists READELFFLAGS] then {
 271     set READELFFLAGS {}
 272 }
 273
 274 if ![info exists LD] then {
 275     set LD [findfile $base_dir/ld-new ./ld-new [transform ld]]
 276 }
 277
 278 if ![info exists LDFLAGS] then {
 279     set LDFLAGS {}
 280 }
 281
 282 # Set PLT_CFLAGS to "-fplt" if target compiler supports it.
 283
 284 if { ![info exists PLT_CFLAGS] } then {
 285     if { [which $CC] != 0 } {
 286         # Check if gcc supports -fplt
 287         set flags ""
 288         if [board_info [target_info name] exists cflags] {
 289             append flags " [board_info [target_info name] cflags]"
 290         }
 291         if [board_info [target_info name] exists ldflags] {
 292             append flags " [board_info [target_info name] ldflags]"
 293         }
 294
 295         set basename "tmpdir/plt[pid]"
 296         set src ${basename}.c
 297         set output ${basename}.o
 298         set f [open $src "w"]
 299         puts $f ""
 300         close $f
 301         remote_download host $src
 302         set plt_available [run_host_cmd_yesno "$CC" "$flags -c -fplt $src -o $output"]
 303         remote_file host delete $src
 304         remote_file host delete $output
 305         file delete $src
 306
 307         if { $plt_available == 1 } then {
 308             set PLT_CFLAGS "-fplt"
 309         } else {
 310             set PLT_CFLAGS ""
 311         }
 312     } else {
 313         set PLT_CFLAGS ""
 314     }
 315 }
 316
 317 # Set NOPIE_CFLAGS to "-fno-PIE" and NOPIE_LDFLAGS to "-no-pie" if
 318 # target compiler supports them.
 319
 320 if { ![info exists NOPIE_CFLAGS] || ![info exists NOPIE_LDFLAGS] } then {
 321     if { [which $CC] != 0 } {
 322         # Check if gcc supports -fno-PIE -no-pie.
 323         set flags ""
 324         if [board_info [target_info name] exists cflags] {
 325             append flags " [board_info [target_info name] cflags]"
 326         }
 327         if [board_info [target_info name] exists ldflags] {
 328             append flags " [board_info [target_info name] ldflags]"
 329         }
 330
 331         set basename "tmpdir/nopie[pid]"
 332         set src ${basename}.c
 333         set output ${basename}
 334         set f [open $src "w"]
 335         puts $f "int main (void) { return 0; }"
 336         close $f
 337         remote_download host $src
 338         set nopie_available [run_host_cmd_yesno "$CC" "$flags -fno-PIE -no-pie $src -o $output"]
 339         remote_file host delete $src
 340         remote_file host delete $output
 341         file delete $src
 342
 343         if { $nopie_available == 1 } then {
 344             set NOPIE_CFLAGS "-fno-PIE"
 345             set NOPIE_LDFLAGS "-no-pie"
 346         } else {
 347             set NOPIE_CFLAGS ""
 348             set NOPIE_LDFLAGS ""
 349         }
 350     } else {
 351         set NOPIE_CFLAGS ""
 352         set NOPIE_LDFLAGS ""
 353     }
 354 }