Subversion Repositories openrisc

# Copyright 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 DW_OP_call_frame_cfa.

# 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

}

# This test can only be run on x86 targets.

if {![istarget i?86-*]} {

    return 0

}

set testfile "callframecfa"

set srcfile ${testfile}.S

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

if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable \

       [list {additional_flags=-nostdlib}]] != "" } {

    return -1

}

gdb_exit

gdb_start

gdb_reinitialize_dir $srcdir/$subdir

gdb_load ${binfile}

if ![runto_main] {

    return -1

}

gdb_test "break *func" "Breakpoint 2.*" "set breakpoint for call-frame-cfa"

gdb_continue_to_breakpoint "continue to breakpoint for call-frame-cfa"

gdb_test "display arg" "arg = 77" "set display for call-frame-cfa"

# We know how many instructions are in the function.  Note that we

# can't handle the "ret" instruction due to the epilogue unwinder.

for {set i 1} {$i < 5} {incr i} {

    gdb_test "si" "arg = 77" "step $i for call-frame-cfa"

}