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# Basic expect script for LD Regression Tests

#   Copyright 1993, 1994, 1995, 1997, 1998, 1999, 2001, 2003, 2005, 2007, 2009

#   Free Software Foundation, Inc.

#

# This file is part of the GNU Binutils.

#

# This file is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 3 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,

# MA 02110-1301, USA.

#

# Written by Jeffrey Wheat (cassidy@cygnus.com)

#

if ![info exists ld] then {

    set ld [findfile $base_dir/ld-new $base_dir/ld-new [transform ld]]

}

if ![info exists as] then {

    set as [findfile $base_dir/../gas/as-new $base_dir/../gas/as-new [transform as]]

}

if ![info exists nm] then {

    set nm [findfile $base_dir/../binutils/nm-new $base_dir/../binutils/nm-new [transform nm]]

}

if ![info exists objdump] then {

    set objdump [findfile $base_dir/../binutils/objdump]

}

if ![info exists objcopy] then {

    set objcopy [findfile $base_dir/../binutils/objcopy]

}

if ![info exists ar] then {

    set ar [findfile $base_dir/../binutils/ar]

}

if ![info exists strip] then {

    set strip [findfile $base_dir/../binutils/strip-new $base_dir/../binutils/strip-new [transform strip]]

}

remote_exec host "mkdir -p tmpdir"

# Make a symlink from tmpdir/as to the assembler in the build tree, so

# that we can use a -B option to gcc to force it to use the newly

# built assembler.

if {![file isdirectory tmpdir/gas]} then {

    catch "exec mkdir tmpdir/gas" status

    catch "exec ln -s ../../../gas/as-new tmpdir/gas/as" status

}

set gcc_gas_flag "-B[pwd]/tmpdir/gas/"

# Make a symlink from tmpdir/ld to the linker in the build tree, so

# that we can use a -B option to gcc to force it to use the newly

# built linker.

if {![file isdirectory tmpdir/ld]} then {

    catch "exec mkdir tmpdir/ld" status

    catch "exec ln -s ../../ld-new tmpdir/ld/ld" status

}

set gcc_ld_flag "-B[pwd]/tmpdir/ld/"

# load the linker path

if {[file exists tmpdir/libpath.exp]} {

    load_lib tmpdir/libpath.exp

    foreach dir $libpath {

        set gcc_ld_flag "$gcc_ld_flag -L$dir"

    }

}

# The "make check" target in the Makefile passes in

# "CC=$(CC_FOR_TARGET)".  But, if the user invokes runtest directly

# (as when testing an installed linker), these flags may not be set.

if {![info exists CC]} {

    set CC [find_gcc]

}

if {![info exists CFLAGS]} {

    set CFLAGS "-g -O2"

}

if {![info exists CXX]} {

    set CXX [find_g++]

}

if {![info exists CXXFLAGS]} {

    set CXXFLAGS ""

}

# The mips64-*-linux-gnu compiler defaults to the N32 ABI after

# installed, but to the O32 ABI in the build tree, because of some

# specs-file hacks.  Make sure we use an ABI that is compatible with

# the one we expect.

if {[istarget mips64*-*-linux*] &&

    (![board_info [target_info name] exists multilib_flags] ||

     ![string match "*-mabi" [board_info [target_info name] multilib_flags]])

   } {

    append gcc_gas_flag " -mabi=n32"

}

# load the utility procedures

load_lib ld-lib.exp

proc get_link_files {varname} {

    global $varname

    global target_triplet

    global srcdir

    global CC

    if ![info exists $varname] {

        #configure.host returns variables that can be substituted into

        #makefile rules, with embedded shell variable expansions.

        #make wants $$shell_var, we want $shell_var ...

        set cmd "host='$target_triplet' && . $srcdir/../configure.host && sed -e 's,\\\$\\\$,\$,g' <

        set status [catch "exec sh -c [list $cmd]" result]

        if $status { error "Error getting native link files: $result" }

        set cmd "CC='$CC' && eval echo \"$result\""

        set status [catch "exec sh -c [list $cmd]" result]

        if $status { error "Error getting native link files: $result" }

        set $varname $result

        send_log "$varname = $result\n"

    }

}

proc get_target_emul {} {

    global target_triplet

    global srcdir

    set status [catch "exec sh -c \"targ='$target_triplet' && . $srcdir/../configure.tgt && echo \\\$targ_emul\"" result]

    if $status { error "Error getting emulation name: $result" }

    return $result

}

if [isnative] {

    foreach x {HOSTING_CRT0 HOSTING_LIBS} {

        get_link_files $x

    }

} else {

    foreach x {HOSTING_CRT0 HOSTING_LIBS} { set $x "" }

}

if ![info exists HOSTING_EMU] { set HOSTING_EMU "-m [get_target_emul]" }

#

# ld_version -- extract and print the version number of ld compiler (GCC)

#

proc ld_version {} {

    global ld

    default_ld_version $ld

}

#

# ld_exit -- just a stub for ld

#

proc ld_exit {} {

}

#

# ld_start

#       relink the linker

#

proc ld_start { ld target } {

        #

}

#

# ld_relocate

#       link an object using relocation

#

proc ld_relocate { ld target objects } {

        default_ld_relocate $ld $target $objects

}

#

# ld_link

#       link a program using ld

#

proc ld_link { ld target objects } {

        default_ld_link $ld $target $objects

}

#

# ld_simple_link

#       link a program using ld, without including any libraries

#

proc ld_simple_link { ld target objects } {

        default_ld_simple_link $ld $target $objects

}

#

# ld_compile

#       compile an object using $cc

#

proc ld_compile { cc source object } {

        default_ld_compile $cc $source $object

}

#

# ld_assemble

#       assemble a file

#

proc ld_assemble { as source object } {

        default_ld_assemble $as $source $object

}

#

# ld_nm

#       run nm on a file

#

proc ld_nm { nm nmflags object } {

        default_ld_nm $nm $nmflags $object

}

#

# ld_exec

#       execute ithe target

#

proc ld_exec { target output } {

        default_ld_exec $target $output

}

# From gas-defs.exp, to support run_dump_test.

if ![info exists AS] then {

    set AS $as

}

if ![info exists GASP] then {

    set GASP [findfile $base_dir/../gas/gasp-new $base_dir/../gas/gasp-new [transform gasp]]

}

if ![info exists ASFLAGS] then {

    set ASFLAGS ""

}

if ![info exists OBJDUMP] then {

    set OBJDUMP $objdump

}

if ![info exists OBJDUMPFLAGS] then {

    set OBJDUMPFLAGS {}

}

if ![info exists NM] then {

    set NM $nm

}

if ![info exists NMFLAGS] then {

    set NMFLAGS {}

}

if ![info exists OBJCOPY] then {

    set OBJCOPY $objcopy

}

if ![info exists OBJCOPYFLAGS] then {

    set OBJCOPYFLAGS {}

}

if ![info exists READELF] then {

    set READELF [findfile $base_dir/../binutils/readelf]

}

if ![info exists READELFFLAGS] then {

    set READELFFLAGS {}

}

if ![info exists LD] then {

    set LD [findfile $base_dir/ld-new ./ld-new [transform ld]]

}

if ![info exists LDFLAGS] then {

    set LDFLAGS {}

}