Subversion Repositories openrisc_me

#   Copyright 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.

# 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, see .

# Test setting breakpoints on shared library functions provided by more

# than one shared library, when one of the implementations is a "weak"

# symbol.  GDB should set a breakpoint at the first copy it finds.

if {[skip_shlib_tests]} {

    return 0

}

# These targets have shared libraries, but weak symbols are not meaningful.

if {([istarget arm*-*-symbianelf*]

     || [istarget *-*-mingw*]

     || [istarget *-*-cygwin*]

     || [istarget *-*-pe*])} {

    return 0

}

# This test uses GCC-specific syntax.

if [get_compiler_info not-used] {

    return -1

}

if {![test_compiler_info "gcc-*"]} {

    return 0

}

proc do_test { lib1opts lib2opts lib1first } {

    global objdir srcdir subdir

    set testfile "solib-weak"

    set srcfile ${testfile}.c

    set libfile1 "weaklib1"

    set libfile2 "weaklib2"

    set lib1src ${srcdir}/${subdir}/${libfile1}.c

    set lib2src ${srcdir}/${subdir}/${libfile2}.c

    # Select a unique name for this test.  Give each library and

    # executable a name reflecting its options, so that file caching

    # on the target system does not pick up the wrong file.

    set testopts ""

    if {$lib1opts == ""} {

        append testopts "lib1 nodebug, "

    } else {

        append testopts "lib1 debug, "

        append lib1 "-dbg"

    }

    if {$lib2opts == ""} {

        append testopts "lib2 nodebug, "

    } else {

        append testopts "lib2 debug, "

        append lib2 "-dbg"

    }

    if {$lib1first} {

        append testopts "lib1 first"

    } else {

        append testopts "lib2 first"

        append testfile "-lib2"

    }

    set binfile ${objdir}/${subdir}/${testfile}

    set lib1 ${objdir}/${subdir}/${libfile1}.sl

    set lib2 ${objdir}/${subdir}/${libfile2}.sl

    if $lib1first {

        set exec_opts [list debug shlib=${lib1} shlib=${lib2}]

        set expected_file ${libfile1}

    } else {

        set exec_opts [list debug shlib=${lib2} shlib=${lib1}]

        set expected_file ${libfile2}

    }

    if { [gdb_compile_shlib ${lib1src} ${lib1} ${lib1opts}] != ""

         || [gdb_compile_shlib ${lib2src} ${lib2} ${lib2opts}] != ""

         || [gdb_compile "${srcdir}/${subdir}/${srcfile}" ${binfile} executable $exec_opts] != ""} {

        return -1

    }

    gdb_exit

    gdb_start

    gdb_reinitialize_dir $srcdir/$subdir

    gdb_load ${binfile}

    gdb_load_shlibs $lib1 $lib2

    runto_main

    gdb_breakpoint "bar"

    # If the library which will be used is compiled without debugging

    # information, GDB will pick the wrong copy of "bar", i.e. the one

    # with debugging information.

    if {(${lib1opts} == "" && ${lib2opts} != "" && ${lib1first} == 1)

        || (${lib1opts} != "" && ${lib2opts} == "" && ${lib1first} == 0)} {

        setup_kfail *-*-* gdb/1824

    }

    gdb_test "continue" "Breakpoint .* bar .*${expected_file}\\..*" \

        "run to breakpoint - $testopts"

}

foreach lib1opts {{} {debug}} {

    foreach lib2opts {{} {debug}} {

        foreach lib1first {1 0} {

            do_test $lib1opts $lib2opts $lib1first

        }

    }

}