Subversion Repositories openrisc_2011-10-31

# (C) Copyright IBM Corp. 2005, 2006
# 
# All rights reserved.
# 
# Redistribution and use in source and binary forms, with or without 
# modification, are permitted provided that the following conditions are met:
# 
#     * Redistributions of source code must retain the above copyright notice, 
# this list of conditions and the following disclaimer.
#     * Redistributions in binary form must reproduce the above copyright 
# notice, this list of conditions and the following disclaimer in the 
# documentation and/or other materials provided with the distribution.
#     * Neither the name of IBM nor the names of its contributors may be 
# used to endorse or promote products derived from this software without 
# specific prior written permission.
# 
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
# POSSIBILITY OF SUCH DAMAGE.
#
# This file just make a stack frame for the contents of the .fini and
# .init sections.  Users may put any desired instructions in those
# sections.

        # Note - this macro is complimented by the FUNC_END macro
        # in crtn.S.  If you change this macro you must also change
        # that macro match.
.macro FUNC_START
        # Create a stack frame with two slots: LR and BC
        # The .init and .fini section don't change the call-preserved 
        # registes, therefore no need to save them.
        stqd    $lr, 16($sp)
        stqd    $sp, -32($sp)
        ai      $sp, $sp, -32
.endm
                
        .file           "crti.S"

        .section        ".init"
        .align 2

        # To make sure the address of _init is not zero, because
        # the default linker entry point is 0.       
        nop

        .global _init
        .type   _init, @function
_init:
        FUNC_START
        
                
        .section        ".fini"
        .align  2
        .global _fini
        .type   _fini, @function
_fini:
        FUNC_START