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# Expect script for LD Bootstrap Tests

#   Copyright 1993, 1994, 1995, 1996, 1997, 1998, 2000, 2001, 2002, 2004,

#   2005, 2006, 2007, 2009, 2010  Free Software Foundation, Inc.

#

# This file is part of the GNU Binutils.

#

# This program 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)

# Rewritten by Ian Lance Taylor (ian@cygnus.com)

#

# Make sure that ld can bootstrap itself.

# This test can only be run if ld generates native executables.

if ![isnative] {

    return

}

# Determine if plugin support is present.

remote_exec host "$nm --help" "" "/dev/null" "plugin-support"

set tmp [file_contents "plugin-support"]

regexp ".*\(--plugin\).*\n" $tmp foo plugins

if [info exists plugins] then {

    set plugins "yes"

} else {

    set plugins "no"

}

# LD can have plugin support even if BFD does not.

if [check_plugin_api_available] {

    set plugins "yes"

}

# Bootstrap ld.  First link the object files together using -r, in

# order to test -r.  Then link the result into an executable, ld1, to

# really test -r.  Use ld1 to link a fresh ld, ld2.  Use ld2 to link a

# new ld, ld3.  ld2 and ld3 should be identical.

foreach flags {"" "strip" "--static" "--traditional-format"

               "--no-keep-memory" "--relax"} {

    set do_strip "no"

    if {"$flags" == "strip"} {

        set testname "bootstrap with $flags"

        set flags ""

        set do_strip "yes"

    } else { if {"$flags" != ""} {

        set testname "bootstrap with $flags"

    } else {

        set testname "bootstrap"

    }}

    # --static is meaningless and --relax is incompatible with -r.

    set partial_flags "$flags"

    if { "$flags" == "--static" || "$flags" == "--relax" } {

        set partial_flags ""

    }

    # This test can only be run if we have the ld build directory,

    # since we need the object files.

    if {$ld != "$objdir/ld-new"} {

        untested $testname

        continue

    }

    # Plugin support requires linking with a dynamic library which

    # means that these tests will fail.

    if { $flags == "--static" && $plugins == "yes" } then {

        untested $testname

        continue

    }

    # If we only have a shared libbfd, we probably can't run the

    # --static test.

    if { $flags == "--static" && ! [string match "*libbfd.a*" $BFDLIB] } then {

        untested $testname

        continue

    }

    if ![ld_relocate $ld tmpdir/ld-partial.o "$partial_flags $OFILES"] {

        fail $testname

        continue

    }

    # On AIX, you need to specify an import list when using --static.

    # You only want the import list when creating the final

    # executable.

    if { [istarget "*-*-aix*"]

         && ![istarget "ia64-*-aix*"]} {

        if {"$flags" == "--static"} {

            set flags "--static -bI:/lib/syscalls.exp"

        }

    }

    # On Cygwin, -lintl may require -liconv when linking statically.

    set extralibs ""

    if { [istarget "*-*-cygwin*"]} {

        if {"$flags" == "--static"} {

            set extralibs "-liconv"

        }

    }

    # Plugin support requires linking with libdl.

    if { $plugins == "yes" } {

        set extralibs "$extralibs -ldl"

    }

    # On Irix 5, linking with --static only works if all the files are

    # compiled using -non_shared.

    if {"$flags" == "--static"} {

        setup_xfail "mips*-*-irix5*"

    }

    if ![ld_link $ld tmpdir/ld1 "$flags tmpdir/ld-partial.o $BFDLIB $LIBIBERTY $extralibs"] {

        fail $testname

        continue

    }

    if {"$do_strip" == "yes"} {

        verbose -log "$strip tmpdir/ld1"

        catch "exec $strip tmpdir/ld1" exec_output

        if ![string match "" $exec_output] then {

            verbose -log "$exec_output"

            fail $testname

            continue

        }

    }

    if ![ld_link tmpdir/ld1 tmpdir/ld2 "$flags $OFILES $BFDLIB $LIBIBERTY $extralibs"] {

        fail $testname

        continue

    }

    if ![ld_link tmpdir/ld2 tmpdir/ld3 "$flags $OFILES $BFDLIB $LIBIBERTY $extralibs"] {

        fail $testname

        continue

    }

    if {"$flags" == "--static"} {

        if { [istarget ia64-*-elf*]

             || [istarget ia64-*-linux*] } {

            # On ia64, tmpdir/ld2 != tmpdir/ld3 is normal since they are

            # generated by different linkers, tmpdir/ld1 and tmpdir/ld2.

            # So we rebuild tmpdir/ld2 with tmpdir/ld3.

            if ![ld_link tmpdir/ld3 tmpdir/ld2 "$flags $OFILES $BFDLIB $LIBIBERTY $extralibs"] {

                fail $testname

                continue

            }

        }

    } else {

        if { [istarget mips*-*-linux*] } {

            # On Linux/mips, tmpdir/ld2 != tmpdir/ld3 is normal since

            # they are generated by different linkers, tmpdir/ld1 and

            # tmpdir/ld2. So we rebuild tmpdir/ld2 with tmpdir/ld3.

            if ![ld_link tmpdir/ld3 tmpdir/ld2 "$flags $OFILES $BFDLIB $LIBIBERTY $extralibs"] {

                fail $testname

                continue

            }

        }

    }

    if {[istarget "*-*-pe"]

        || [istarget "*-*-wince"]

        || [istarget "*-*-cygwin*"]

        || [istarget "*-*-winnt*"]

        || [istarget "*-*-mingw*"]

        || [istarget "*-*-interix*"]

        || [istarget "*-*-beospe*"]

        || [istarget "*-*-netbsdpe*"]} {

        # Trim off the date present in PE binaries by only looking

        #   at the ends of the files

        # Although this works, a way to set the date would be better.

        # Removing or zeroing the date stamp in the binary produced by

        # the linker is not possible as it is required by the target OS.

        set do_compare [string map {16 220 f1 tmpdir/ld2 f2 tmpdir/ld3 tmp-foo1 tmpdir/ld2tail tmp-foo2 tmpdir/ld3tail} $DO_COMPARE]

        send_log "$do_compare\n"

        verbose  "$do_compare"

        catch "exec sh -c [list $do_compare]" exec_output

    } else {

        send_log "cmp tmpdir/ld2 tmpdir/ld3\n"

        verbose  "cmp tmpdir/ld2 tmpdir/ld3"

        catch "exec cmp tmpdir/ld2 tmpdir/ld3" exec_output

    }

    set exec_output [prune_warnings $exec_output]

    if [string match "" $exec_output] then {

        pass $testname

    } else {

        send_log "$exec_output\n"

        verbose "$exec_output" 1

        fail $testname

    }

}

catch "exec rm -f tmpdir/ld-partial.o tmpdir/ld1 tmpdir/ld2 tmpdir/ld3" status

catch "exec rm -f tmpdir/ld2tail tmpdir/ld3tail" status