Subversion Repositories openrisc_2011-10-31

#   Copyright (C) 2001, 2008, 2009 Free Software Foundation, Inc.
#   Written By Nick Clifton
# 
# This file 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, or (at your option) any
# later version.
# 
# This file 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.
# 
# Under Section 7 of GPL version 3, you are granted additional
# permissions described in the GCC Runtime Library Exception, version
# 3.1, as published by the Free Software Foundation.
#
# You should have received a copy of the GNU General Public License and
# a copy of the GCC Runtime Library Exception along with this program;
# see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
# <http://www.gnu.org/licenses/>.

/* An executable stack is *not* required for these functions.  */
#if defined(__ELF__) && defined(__linux__)
.section .note.GNU-stack,"",%progbits
.previous
#endif

# 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.

#ifdef __ELF__
#define TYPE(x) .type x,function
#else
#define TYPE(x)
#endif

        # Note - this macro is complemented by the FUNC_END macro
        # in crtn.asm.  If you change this macro you must also change
        # that macro match.
.macro FUNC_START
#ifdef __thumb__
        .thumb
        
        push    {r3, r4, r5, r6, r7, lr}
#else
        .arm
        #  Create a stack frame and save any call-preserved registers
        mov     ip, sp
        stmdb   sp!, {r3, r4, r5, r6, r7, r8, r9, sl, fp, ip, lr, pc}
        sub     fp, ip, #4
#endif
.endm
                
        .section        ".init"
        .align 2
        .global _init
#ifdef __thumb__
        .thumb_func
#endif
        TYPE(_init)
_init:
        FUNC_START
        
                
        .section        ".fini"
        .align  2
        .global _fini
#ifdef __thumb__
        .thumb_func
#endif
        TYPE(_fini)
_fini:
        FUNC_START
        
# end of crti.asm