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# Expect script for ld-shared tests

#   Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,

#   2004, 2007

#   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 Ian Lance Taylor (ian@cygnus.com)

#

# Make sure that ld can generate ELF shared libraries.

# Note that linking against ELF shared libraries is tested by the

# bootstrap test.

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

if ![isnative] then {return}

# This test can only be run on a couple of ELF platforms.

# Square bracket expressions seem to confuse istarget.

if { ![istarget hppa*64*-*-hpux*] \

     && ![istarget hppa*-*-linux*] \

     && ![istarget i?86-*-sysv4*] \

     && ![istarget i?86-*-unixware] \

     && ![istarget i?86-*-elf*] \

     && ![istarget i?86-*-linux*] \

     && ![istarget ia64-*-elf*] \

     && ![istarget ia64-*-linux*] \

     && ![istarget m68k-*-linux*] \

     && ![istarget mips*-*-irix5*] \

     && ![istarget mips*-*-linux*] \

     && ![istarget powerpc-*-elf*] \

     && ![istarget powerpc-*-linux*] \

     && ![istarget powerpc-*-sysv4*] \

     && ![istarget sparc*-*-elf] \

     && ![istarget sparc*-*-solaris2*] \

     && ![istarget sparc*-*-sunos4*] \

     && ![istarget sparc*-*-linux*] \

     && ![istarget arm*-*-linux*] \

     && ![istarget alpha*-*-linux*] \

     && ![istarget rs6000*-*-aix*] \

     && ![istarget powerpc*-*-aix*] \

     && ![istarget s390*-*-linux*] \

     && ![istarget x86_64-*-linux*] } {

    return

}

if { [istarget *-*-linux*aout*] \

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

    return

}

set tmpdir tmpdir

set SHCFLAG ""

if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {

    # AIX shared libraries do not seem to support useful features,

    # like overriding the shared library function or letting the

    # shared library refer to objects defined in the main program.  We

    # avoid testing those features.

    set SHCFLAG "-DXCOFF_TEST"

    # The AIX 3.2.5 loader appears to randomly fail when loading

    # shared libraries from NSF mounted partitions, so we avoid any

    # potential problems by using a local directory.

    catch {exec /bin/sh -c "echo $$"} pid

    set tmpdir /usr/tmp/ld.$pid

    catch "exec mkdir $tmpdir" exec_status

    # On AIX, we need to explicitly export the symbols the shared

    # library is going to provide, and need.

    set file [open $tmpdir/xcoff.exp w]

    puts $file shlibvar1

    puts $file shlibvar2

    puts $file shlib_shlibvar1

    puts $file shlib_shlibvar2

    puts $file shlib_shlibcall

    puts $file shlib_shlibcalled

    puts $file shlib_checkfunptr1

    puts $file shlib_getfunptr1

    puts $file shlib_check

    close $file

}

# The test procedure.

proc shared_test { progname testname main sh1 sh2 dat args } {

    global CC

    global srcdir

    global subdir

    global exec_output

    global host_triplet

    global tmpdir

    if [llength $args] { set shldflags [lindex $args 0] } else { set shldflags "" }

    # Build the shared library.

    # On AIX, we need to use an export file.

    set shared -shared

    if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {

        set shared "-bM:SRE -bE:$tmpdir/xcoff.exp"

    }

    if {![ld_simple_link $CC $tmpdir/$progname.so "$shared $shldflags $tmpdir/$sh1 $tmpdir/$sh2"]} {

        fail "$testname"

        return

    }

    # Link against the shared library.  Use -rpath so that the

    # dynamic linker can locate the shared library at runtime.

    # On AIX, we must include /lib in -rpath, as otherwise the loader

    # can not find -lc.

    set rpath $tmpdir

    if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {

        set rpath /lib:$tmpdir

    }

    if ![ld_simple_link $CC $tmpdir/$progname "-Wl,-rpath,$rpath $tmpdir/$main $tmpdir/$progname.so"] {

        fail "$testname"

        return

    }

    # Run the resulting program

    send_log "$tmpdir/$progname >$tmpdir/$progname.out\n"

    verbose "$tmpdir/$progname >$tmpdir/$progname.out"

    catch "exec $tmpdir/$progname >$tmpdir/$progname.out" exec_output

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

        send_log "$exec_output\n"

        verbose "$exec_output"

        fail "$testname"

        return

    }

    send_log "diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat\n"

    verbose "diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat"

    catch "exec diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat" exec_output

    set exec_output [prune_warnings $exec_output]

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

        send_log "$exec_output\n"

        verbose "$exec_output"

        fail "$testname"

        return

    }

    pass "$testname"

}

if [istarget mips*-*-*] {

    set picflag ""

} else {

    # Unfortunately, the gcc argument is -fpic and the cc argument is

    # -KPIC.  We have to try both.

    set picflag "-fpic"

    send_log "$CC $picflag\n"

    verbose "$CC $picflag"

    catch "exec $CC $picflag" exec_output

    send_log "$exec_output\n"

    verbose "--" "$exec_output"

    if { [string match "*illegal option*" $exec_output] \

         || [string match "*option ignored*" $exec_output] \

         || [string match "*unrecognized option*" $exec_output] \

         || [string match "*passed to ld*" $exec_output] } {

        if [istarget *-*-sunos4*] {

            set picflag "-pic"

        } else {

            set picflag "-KPIC"

        }

    }

}

verbose "Using $picflag to compile PIC code"

# Compile the main program.

if ![ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o] {

    unresolved "shared (non PIC)"

    unresolved "shared"

} else {

    # The shared library is composed of two files.  First compile them

    # without using -fpic.  That should work on an ELF system,

    # although it will be less efficient because the dynamic linker

    # will need to do more relocation work.  However, note that not

    # using -fpic will cause some of the tests to return different

    # results.

    if { ![ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/sh1.c $tmpdir/sh1np.o]

         || ![ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/sh2.c $tmpdir/sh2np.o] } {

        unresolved "shared (non PIC)"

    } else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {

        shared_test shnp "shared (nonPIC)" mainnp.o sh1np.o sh2np.o xcoff

    } else {

        # SunOS non PIC shared libraries don't permit some cases of

        # overriding.

        setup_xfail "*-*-sunos4*"

        setup_xfail "ia64-*-linux*"

        setup_xfail "alpha*-*-linux*"

        if { ![istarget hppa*64*-*-linux*] } {

            setup_xfail "hppa*-*-linux*"

        }

        if { [istarget sparc*-*-linux*] && [is_elf64 $tmpdir/mainnp.o] } {

            setup_xfail "sparc*-*-linux*"

        }

        setup_xfail "x86_64-*-linux*"

        setup_xfail "s390x-*-linux*"

        shared_test shnp "shared (non PIC)" mainnp.o sh1np.o sh2np.o shared

        # Test ELF shared library relocations with a non-zero load

        # address for the library.  Near as I can tell, the R_*_RELATIVE

        # relocations for various targets are broken in the case where

        # the load address is not zero (which is the default).

        setup_xfail "*-*-sunos4*"

        setup_xfail "*-*-linux*libc1"

        setup_xfail "powerpc-*-linux*"

        setup_xfail "ia64-*-linux*"

        setup_xfail "alpha*-*-linux*"

        setup_xfail "mips*-*-linux*"

        if { ![istarget hppa*64*-*-linux*] } {

            setup_xfail "hppa*-*-linux*"

        }

        if { [istarget sparc*-*-linux*] && [is_elf64 $tmpdir/mainnp.o] } {

            setup_xfail "sparc*-*-linux*"

        }

        setup_xfail "x86_64-*-linux*"

        setup_xfail "s390x-*-linux*"

        shared_test shnp "shared (non PIC, load offset)" \

                mainnp.o sh1np.o sh2np.o shared \

                "-T $srcdir/$subdir/elf-offset.ld"

    } }

    # Now compile the code using -fpic.

    if { ![ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o]

         || ![ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/sh2.c $tmpdir/sh2p.o] } {

        unresolved "shared"

    } else {

        # SunOS can not compare function pointers correctly

        if [istarget "*-*-sunos4*"] {

            shared_test shp "shared" mainnp.o sh1p.o sh2p.o sun4

        } else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {

            shared_test shp "shared" mainnp.o sh1p.o sh2p.o xcoff

        } else {

            shared_test shp "shared" mainnp.o sh1p.o sh2p.o shared

            ld_compile "$CC $CFLAGS -DSYMBOLIC_TEST -DXCOFF_TEST $SHCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o

            ld_compile "$CC $CFLAGS -DSYMBOLIC_TEST -DXCOFF_TEST $SHCFLAG $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o

            shared_test shp "shared -Bsymbolic" mainnp.o sh1p.o sh2p.o symbolic "-Bsymbolic"

            ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o

            ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o

        } }

    }

}

# Now do the same tests again, but this time compile main.c PIC.

if ![ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/main.c $tmpdir/mainp.o] {

    unresolved "shared (PIC main, non PIC so)"

    unresolved "shared (PIC main)"

} else {

    if { [file exists $tmpdir/sh1np.o ] && [ file exists $tmpdir/sh2np.o ] } {

        if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {

            shared_test shmpnp "shared (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o xcoff

        } else {

            # SunOS non PIC shared libraries don't permit some cases of

            # overriding.

            setup_xfail "*-*-sunos4*"

            setup_xfail "ia64-*-linux*"

            setup_xfail "alpha*-*-linux*"

            if { ![istarget hppa*64*-*-linux*] } {

                setup_xfail "hppa*-*-linux*"

            }

            if { [istarget sparc*-*-linux*] && [is_elf64 $tmpdir/mainp.o] } {

                setup_xfail "sparc*-*-linux*"

            }

            setup_xfail "x86_64-*-linux*"

            setup_xfail "s390x-*-linux*"

            shared_test shmpnp "shared (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o shared

        }

    } else {

        unresolved "shared (PIC main, non PIC so)"

    }

    if { [file exists $tmpdir/sh1p.o ] && [ file exists $tmpdir/sh2p.o ] } {

        if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {

            shared_test shmpp "shared (PIC main)" mainp.o sh1p.o sh2p.o xcoff

        } else {

            shared_test shmpp "shared (PIC main)" mainp.o sh1p.o sh2p.o shared

        }

    } else {

        unresolved "shared (PIC main)"

    }

}

if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {

    # Remove the temporary directory.

    catch "exec rm -rf $tmpdir" exec_status

}