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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [config/] [sh/] [crti.asm] - Blame information for rev 282

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1 282 jeremybenn
/* Copyright (C) 2000, 2001, 2009 Free Software Foundation, Inc.
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   This file was adapted from glibc sources.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 3, or (at your option) any
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later version.
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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General Public License for more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
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.  */
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/* The code in sections .init and .fini is supposed to be a single
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   regular function.  The function in .init is called directly from
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   start in crt1.asm.  The function in .fini is atexit()ed in crt1.asm
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   too.
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   crti.asm contributes the prologue of a function to these sections,
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   and crtn.asm comes up the epilogue.  STARTFILE_SPEC should list
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   crti.o before any other object files that might add code to .init
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   or .fini sections, and ENDFILE_SPEC should list crtn.o after any
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   such object files.  */
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        .section .init
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/* The alignment below can't be smaller, otherwise the mova below
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   breaks.  Yes, we might align just the label, but then we'd be
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   exchanging an alignment here for one there, since the code fragment
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   below ensures 4-byte alignment on __ELF__.  */
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#ifdef __ELF__
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        .p2align 2
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#else
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        .p2align 1
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#endif
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        .global  _init
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_init:
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#if __SHMEDIA__
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        addi    r15, -16, r15
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        st.q    r15, 8, r14
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        st.q    r15, 0, r18
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        add     r15, r63, r14
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#elif __SH5__ && ! __SHMEDIA__
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        mov     r15,r0
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        add     #-8,r15
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        mov.l   r14,@-r0
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        sts.l   pr,@-r0
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        mov     r15,r14
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        nop
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#else
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#ifdef __ELF__
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        mov.l   r12,@-r15
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        mova    0f,r0
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        mov.l   0f,r12
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#endif
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        mov.l   r14,@-r15
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#ifdef __ELF__
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        add     r0,r12
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#endif
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        sts.l   pr,@-r15
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#ifdef __ELF__
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        bra     1f
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#endif
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        mov     r15,r14
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#ifdef __ELF__
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0:      .long   _GLOBAL_OFFSET_TABLE_
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1:
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#endif
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#endif /* __SHMEDIA__ */
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        .section .fini
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/* The alignment below can't be smaller, otherwise the mova below
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   breaks.  Yes, we might align just the label, but then we'd be
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   exchanging an alignment here for one there, since the code fragment
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   below ensures 4-byte alignment on __ELF__.  */
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#ifdef __ELF__
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        .p2align 2
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#else
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        .p2align 1
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#endif
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        .global  _fini
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_fini:
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#if __SHMEDIA__
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        addi    r15, -16, r15
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        st.q    r15, 8, r14
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        st.q    r15, 0, r18
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        add     r15, r63, r14
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#elif __SH5__ && ! __SHMEDIA__
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        mov     r15,r0
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        add     #-8,r15
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        mov.l   r14,@-r0
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        sts.l   pr,@-r0
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        mov     r15,r14
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        nop
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#else
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#ifdef __ELF__
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        mov.l   r12,@-r15
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        mova    0f,r0
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        mov.l   0f,r12
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#endif
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        mov.l   r14,@-r15
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#ifdef __ELF__
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        add     r0,r12
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#endif
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        sts.l   pr,@-r15
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#ifdef __ELF__
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        bra     1f
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#endif
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        mov     r15,r14
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#ifdef __ELF__
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0:      .long   _GLOBAL_OFFSET_TABLE_
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1:
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#endif
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#endif /* __SHMEDIA__ */

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