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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.18.0/] [libgloss/] [microblaze/] [crt3.S] - Blame information for rev 258

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1 207 jeremybenn
/* Copyright (c) 2001, 2009 Xilinx, Inc.  All rights reserved.
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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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   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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   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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   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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   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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        MicroBlaze Vector Map for vector-less ELF images
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         Address                Vector type                 Label
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         -------                -----------                 ------
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        # 0x00 #                (-- IMM --)
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        # 0x04 #                Reset                       (-- Don't Care --)
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        # 0x08 #                (-- IMM --)
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        # 0x0c #                Software Exception          (-- Don't Care --)
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        # 0x10 #                (-- IMM --)
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        # 0x14 #                Hardware Interrupt          (-- Don't Care --)
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        # 0x18 #                (-- IMM --)
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        # 0x1C #                Breakpoint Exception        (-- Don't Care --)
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        # 0x20 #                (-- IMM --)
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        # 0x24 #                Hardware Exception          (-- Don't Care --)
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*/
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        .section .text
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        .globl _start
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        .align 2
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        .ent _start
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        .type _start, @function
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_start:
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        la      r13, r0, _SDA_BASE_         /* Set the Small Data Anchors and the stack pointer */
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        la      r2, r0, _SDA2_BASE_
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        la      r1, r0, _stack-16           /* 16 bytes (4 words are needed by crtinit for args and link reg */
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        brlid   r15, _crtinit               /* Initialize BSS and run program */
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        nop
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        brlid   r15, exit                   /* Call exit with the return value of main */
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        addik   r5, r3, 0
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        /* Control does not reach here */
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        .end _start
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/*
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        _exit
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        Our simple _exit
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*/
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        .globl _exit
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        .align 2
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        .ent _exit
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        .type _exit, @function
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_exit:
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        bri     0
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        .end _exit

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