Subversion Repositories openrisc_2011-10-31

# Copyright (C) 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 .

proc do_test {type} {

    set typenospace [string map {{ } -} $type]

    global pf_prefix

    set old_prefix $pf_prefix

    lappend pf_prefix "$typenospace:"

    if {[runto "func"]} {

        # Verify that we do not crash when using "return" from a function with

        # no debugging info.  Such function has no `struct symbol'.  It may

        # still have an associated `struct minimal_symbol'.

        gdb_test "return -1" \

                 "Return value type not available for selected stack frame\\.\r\nPlease use an explicit cast of the value to return\\." \

                 "return from function with no debug info without a cast"

        # Cast of the result to the proper width must be done explicitely.

        gdb_test "return ($type) -1" "#0 .* main \\(.*"                 \

                 "return from function with no debug info with a cast"  \

                 "Make selected stack frame return now\\? \\(y or n\\) " "y"

        gdb_test "advance marker" "marker \\(.*" \

                 "advance to marker"

        # And if it returned the full width of the result.

        gdb_test "print /d t" " = -1" "full width of the returned result"

    }

    set pf_prefix $old_prefix

}

foreach type {{signed char} {short} {int} {long} {long long}} {

    set typeesc [string map {{ } {\ }} $type]

    set typenospace [string map {{ } -} $type]

    set testfile "return-nodebug"

    set srcfile ${testfile}.c

    set srcfile1 ${testfile}1.c

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

    set additional_flags "additional_flags=-DTYPE=$typeesc"

    if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}0.o" object [list debug $additional_flags]] != "" } {

        continue

    }

    # This one is compiled without debug info.

    if { [gdb_compile "${srcdir}/${subdir}/${srcfile1}" "${binfile}1.o" object [list $additional_flags]] != "" } {

        continue

    }

    if { [gdb_compile "${binfile}0.o ${binfile}1.o" "${binfile}" executable {debug}] != "" } {

        continue

    }

    gdb_exit

    gdb_start

    gdb_reinitialize_dir $srcdir/$subdir

    gdb_load ${binfile}

    do_test $type

}