Subversion Repositories openrisc_2011-10-31

# Copyright 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 .

# This test can only be run on targets which support DWARF-2 and use gas.

# For now pick a sampling of likely targets.

if {![istarget *-*-linux*]

    && ![istarget *-*-gnu*]

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

    && ![istarget *-*-openbsd*]

    && ![istarget arm-*-eabi*]

    && ![istarget powerpc-*-eabi*]} {

    return 0

}

set testfile "dw2-ref-missing-frame"

set srcsfile ${testfile}.S

set objsfile ${objdir}/${subdir}/${testfile}.o

set srcfuncfile ${testfile}-func.c

set objfuncfile ${objdir}/${subdir}/${testfile}-func.o

set srcmainfile ${testfile}-main.c

set objmainfile ${objdir}/${subdir}/${testfile}-main.o

set executable ${testfile}

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

if { [gdb_compile "${srcdir}/${subdir}/${srcsfile}" $objsfile object {}] != ""

     || [gdb_compile "${srcdir}/${subdir}/${srcfuncfile}" $objfuncfile object {}] != ""

     || [gdb_compile "${srcdir}/${subdir}/${srcmainfile}" $objmainfile object {debug}] != ""

     || [gdb_compile "$objsfile $objfuncfile $objmainfile" $binfile executable {}] != "" } {

    return -1

}

clean_restart $executable

# First try referencing DW_AT_frame_base which is not defined.

if [runto func_nofb] {

    gdb_test "p func_nofb_var" {Could not find the frame base for "func_nofb".} "func_nofb print"

    gdb_test "bt full" " in main .* main_var = 1" "func_nofb backtrace"

}

# GDB could have crashed.

clean_restart $executable

# And now try referencing DW_AT_frame_base defined using a self-reference

# (DW_OP_fbreg).

if [runto func_loopfb] {

    gdb_test "p func_loopfb_var" "DWARF-2 expression error: Loop detected .*" "func_loopfb print"

    gdb_test "bt full" " in main .* main_var = 1" "func_loopfb backtrace"

}