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

# .

/* 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