358 lines
8.6 KiB
Text
358 lines
8.6 KiB
Text
# Basic expect script for LD Regression Tests
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# Copyright (C) 1993-2016 Free Software Foundation, Inc.
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#
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# This file is part of the GNU Binutils.
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#
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# This file is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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# MA 02110-1301, USA.
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#
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# Written by Jeffrey Wheat (cassidy@cygnus.com)
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#
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if ![info exists ld] then {
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set ld [findfile $base_dir/ld-new $base_dir/ld-new [transform ld]]
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}
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if ![info exists as] then {
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set as [findfile $base_dir/../gas/as-new $base_dir/../gas/as-new [transform as]]
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}
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if ![info exists nm] then {
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set nm [findfile $base_dir/../binutils/nm-new $base_dir/../binutils/nm-new [transform nm]]
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}
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if ![info exists objdump] then {
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set objdump [findfile $base_dir/../binutils/objdump]
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}
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if ![info exists objcopy] then {
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set objcopy [findfile $base_dir/../binutils/objcopy]
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}
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if ![info exists ar] then {
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set ar [findfile $base_dir/../binutils/ar]
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}
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if ![info exists strip] then {
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set strip [findfile $base_dir/../binutils/strip-new $base_dir/../binutils/strip-new [transform strip]]
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}
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if ![info exists size] then {
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set size [findfile $base_dir/../binutils/size]
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}
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remote_exec host "mkdir -p tmpdir"
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# Make symlinks from tmpdir/ld to the linker and assembler in the
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# build tree, so that we can use a -B option to gcc to force it to use
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# the newly built linker and assembler.
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if {![file isdirectory tmpdir/ld]} then {
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catch "exec mkdir tmpdir/ld" status
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catch "exec ln -s ../../ld-new tmpdir/ld/ld" status
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catch "exec ln -s ld tmpdir/ld/collect-ld" status
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catch "exec ln -s ../../../gas/as-new tmpdir/ld/as" status
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}
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set gcc_B_opt "-B[pwd]/tmpdir/ld/"
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# load the linker path
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set ld_L_opt ""
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if {[file exists tmpdir/libpath.exp]} {
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load_lib tmpdir/libpath.exp
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foreach dir $libpath {
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append ld_L_opt " -L$dir"
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}
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}
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# The "make check" target in the Makefile passes in
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# "CC=$(CC_FOR_TARGET)". But, if the user invokes runtest directly
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# (as when testing an installed linker), these flags may not be set.
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if {![info exists CC]} {
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set CC [find_gcc]
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}
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if {![info exists CFLAGS]} {
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set CFLAGS "-g -O2"
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}
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if {![info exists CXX]} {
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set CXX [find_g++]
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}
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if {![info exists CXXFLAGS]} {
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set CXXFLAGS ""
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}
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# The mips64-*-linux-gnu compiler defaults to the N32 ABI after
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# installed, but to the O32 ABI in the build tree, because of some
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# specs-file hacks. Make sure we use an ABI that is compatible with
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# the one we expect.
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if {[istarget mips64*-*-linux*] &&
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(![board_info [target_info name] exists multilib_flags] ||
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![string match "*-mabi" [board_info [target_info name] multilib_flags]])
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} {
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append gcc_B_opt " -mabi=n32"
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}
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if { [istarget rx-*-*] } {
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global ASFLAGS
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set ASFLAGS "-muse-conventional-section-names"
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}
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# load the utility procedures
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load_lib ld-lib.exp
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proc get_link_files {varname} {
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global $varname
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global target_triplet
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global srcdir
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global CC
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if ![info exists $varname] {
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#configure.host returns variables that can be substituted into
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#makefile rules, with embedded shell variable expansions.
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#make wants $$shell_var, we want $shell_var ...
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set cmd "host='$target_triplet' && . $srcdir/../configure.host && sed -e 's,\\\$\\\$,\$,g' <<EOF\n\$$varname\nEOF"
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set status [catch "exec sh -c [list $cmd]" result]
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if $status { error "Error getting native link files: $result" }
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set cmd "CC='$CC' && eval echo \"$result\""
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set status [catch "exec sh -c [list $cmd]" result]
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if $status { error "Error getting native link files: $result" }
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set $varname $result
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send_log "$varname = $result\n"
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}
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}
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proc get_target_emul {} {
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global target_triplet
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global srcdir
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set status [catch "exec sh -c \"targ='$target_triplet' && . $srcdir/../configure.tgt && echo \\\$targ_emul\"" result]
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if $status { error "Error getting emulation name: $result" }
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return $result
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}
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if [isnative] {
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foreach x {HOSTING_CRT0 HOSTING_SCRT0 HOSTING_LIBS HOSTING_SLIBS} {
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get_link_files $x
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}
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} else {
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foreach x {HOSTING_CRT0 HOSTING_SCRT0 HOSTING_LIBS HOSTING_SLIBS} { set $x "" }
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}
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if ![info exists HOSTING_EMU] { set HOSTING_EMU "-m [get_target_emul]" }
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#
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# ld_version -- extract and print the version number of ld compiler (GCC)
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#
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proc ld_version {} {
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global ld
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default_ld_version $ld
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}
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#
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# ld_exit -- just a stub for ld
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#
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proc ld_exit {} {
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}
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#
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# ld_start
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# relink the linker
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#
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proc ld_start { ld target } {
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#
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}
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#
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# ld_relocate
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# link an object using relocation
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#
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proc ld_relocate { ld target objects } {
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default_ld_relocate $ld $target $objects
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}
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#
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# ld_link
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# link a program using ld
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#
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proc ld_link { ld target objects } {
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default_ld_link $ld $target $objects
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}
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#
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# ld_simple_link
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# link a program using ld, without including any libraries
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#
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proc ld_simple_link { ld target objects } {
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default_ld_simple_link $ld $target $objects
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}
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#
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# ld_compile
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# compile an object using $cc
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#
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proc ld_compile { cc source object } {
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default_ld_compile $cc $source $object
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}
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#
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# ld_assemble
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# assemble a file
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#
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proc ld_assemble { as source object } {
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default_ld_assemble $as "" $source $object
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}
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#
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# ld_assemble_flags
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# assemble a file with extra flags
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#
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proc ld_assemble_flags { as flags source object } {
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default_ld_assemble $as $flags $source $object
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}
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#
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# ld_nm
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# run nm on a file
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#
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proc ld_nm { nm nmflags object } {
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default_ld_nm $nm $nmflags $object
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}
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#
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# ld_exec
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# execute ithe target
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#
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proc ld_exec { target output } {
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default_ld_exec $target $output
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}
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# From gas-defs.exp, to support run_dump_test.
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if ![info exists AS] then {
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set AS $as
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}
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if ![info exists ASFLAGS] then {
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set ASFLAGS ""
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}
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if ![info exists OBJDUMP] then {
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set OBJDUMP $objdump
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}
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if ![info exists OBJDUMPFLAGS] then {
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set OBJDUMPFLAGS {}
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}
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if ![info exists NM] then {
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set NM $nm
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}
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if ![info exists NMFLAGS] then {
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set NMFLAGS {}
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}
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if ![info exists OBJCOPY] then {
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set OBJCOPY $objcopy
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}
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if ![info exists OBJCOPYFLAGS] then {
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set OBJCOPYFLAGS {}
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}
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if ![info exists READELF] then {
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set READELF [findfile $base_dir/../binutils/readelf]
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}
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if ![info exists READELFFLAGS] then {
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set READELFFLAGS {}
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}
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if ![info exists LD] then {
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set LD [findfile $base_dir/ld-new ./ld-new [transform ld]]
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}
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if ![info exists LDFLAGS] then {
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set LDFLAGS {}
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}
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# Set PLT_CFLAGS to "-fplt" if target compiler supports it.
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if { ![info exists PLT_CFLAGS] } then {
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if { [which $CC] != 0 } {
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# Check if gcc supports -fplt
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set flags ""
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if [board_info [target_info name] exists cflags] {
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append flags " [board_info [target_info name] cflags]"
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}
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if [board_info [target_info name] exists ldflags] {
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append flags " [board_info [target_info name] ldflags]"
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}
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set basename "tmpdir/plt[pid]"
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set src ${basename}.c
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set output ${basename}.o
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set f [open $src "w"]
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puts $f ""
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close $f
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remote_download host $src
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set plt_available [run_host_cmd_yesno "$CC" "$flags -c -fplt $src -o $output"]
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remote_file host delete $src
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remote_file host delete $output
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file delete $src
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if { $plt_available == 1 } then {
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set PLT_CFLAGS "-fplt"
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} else {
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set PLT_CFLAGS ""
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}
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} else {
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set PLT_CFLAGS ""
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}
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}
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# Set NOPIE_CFLAGS to "-fno-PIE" and NOPIE_LDFLAGS to "-no-pie" if
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# target compiler supports them.
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if { ![info exists NOPIE_CFLAGS] || ![info exists NOPIE_LDFLAGS] } then {
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if { [which $CC] != 0 } {
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# Check if gcc supports -fno-PIE -no-pie.
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set flags ""
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if [board_info [target_info name] exists cflags] {
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append flags " [board_info [target_info name] cflags]"
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}
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if [board_info [target_info name] exists ldflags] {
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append flags " [board_info [target_info name] ldflags]"
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}
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set basename "tmpdir/nopie[pid]"
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set src ${basename}.c
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set output ${basename}
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set f [open $src "w"]
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puts $f "int main (void) { return 0; }"
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close $f
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remote_download host $src
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set nopie_available [run_host_cmd_yesno "$CC" "$flags -fno-PIE -no-pie $src -o $output"]
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remote_file host delete $src
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remote_file host delete $output
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file delete $src
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if { $nopie_available == 1 } then {
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set NOPIE_CFLAGS "-fno-PIE"
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set NOPIE_LDFLAGS "-no-pie"
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} else {
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set NOPIE_CFLAGS ""
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set NOPIE_LDFLAGS ""
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}
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} else {
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set NOPIE_CFLAGS ""
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set NOPIE_LDFLAGS ""
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}
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}
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