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[/] [openrisc/] [trunk/] [gnu-stable/] [newlib-1.18.0/] [libgloss/] [microblaze/] [sim-crtinit.S] - Blame information for rev 829

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1 207 jeremybenn
## Copyright (c) 2001, 2009 Xilinx, Inc.  All rights reserved.
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##
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## Redistribution and use in source and binary forms, with or without
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## modification, are permitted provided that the following conditions are
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## met:
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##
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## 1.  Redistributions source code must retain the above copyright notice,
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## this list of conditions and the following disclaimer.
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##
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## 2.  Redistributions in binary form must reproduce the above copyright
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## notice, this list of conditions and the following disclaimer in the
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## documentation and/or other materials provided with the distribution.
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##
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## 3.  Neither the name of Xilinx nor the names of its contributors may be
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## used to endorse or promote products derived from this software without
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## specific prior written permission.
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##
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## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS "AS
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## IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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## TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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## PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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## HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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## TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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## PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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## LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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## NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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## SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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#
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# sim-crtinit.s
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#
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# Default second stage of C run-time initialization that does not peform
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# BSS initialization to zero. Typical use is on a simulator.
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#
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        .globl _crtinit
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        .align 2
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        .ent _crtinit
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_crtinit:
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        addi    r1, r1, -20                     /* Save Link register    */
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        swi     r15, r1, 0
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        brlid   r15, _program_init              /* Initialize the program  */
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        nop
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        brlid   r15, __init                     /* Invoke language initialization functions */
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        nop
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        addi    r6, r0, 0                       /* Initialize argc = 1 and argv = NULL and envp = NULL  */
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        addi    r7, r0, 0
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        brlid   r15, main                       /* Execute the program */
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        addi    r5, r0, 0
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        addik   r19, r3, 0                      /* Save return value */
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        brlid   r15, __fini                     /* Invoke language cleanup functions */
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        nop
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        brlid   r15, _program_clean             /* Cleanup the program  */
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        nop
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        lw      r15, r1, r0                     /* Return back to CRT   */
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        addik   r3, r19, 0                      /* Restore return value */
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        rtsd    r15, 8
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        addi    r1, r1, 20
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        .end _crtinit
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