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/*
 * Copyright (C) 2003 by Erik Andersen
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Library General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or (at your
 * option) any later version.
 *
 * This program 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 Library General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

/* Integer registers.  */
#define r0      0
#define r1      1
#define r2      2
#define r3      3
#define r4      4
#define r5      5
#define r6      6
#define r7      7
#define r8      8
#define r9      9
#define r13     13
#define r31     31

#include <features.h>

        .section ".text"
        .globl  _start
        .type   _start,@function
#if defined L_crt0 || ! defined __UCLIBC_CTOR_DTOR__
        .type   __uClibc_main,%function
#else
        .weak   _init
        .weak   _fini
        .type   __uClibc_start_main,%function
#endif
/* Stick in a dummy reference to main(), so that if an application
 * is linking when the main() function is in a static library (.a)
 * we can be sure that main() actually gets linked in */
        .type   main,%function

_start:
        /* Save the stack pointer, in case we're statically linked under Linux.  */
        mr      r9,r1
        /* Set up an initial stack frame, and clear the LR.  */
        clrrwi  r1,r1,4
        li      r0,0
        stwu    r1,-16(r1)
        mtlr    r0
        stw     r0,0(r1)

        /* find argc from the stack pointer */
        lwz     r3,0(r9)
        /* find argv one word offset from the stack pointer */
        addi    r4,r9,4
        /* find environment pointer (argv+argc+1) */
        lwz     r5,0(r9)
        addi    r5,r5,1
        rlwinm  r5,r5,2,0,29
        add     r5,r5,r4

        /* Ok, now run uClibc's main() -- shouldn't return */
#if (defined L_crt1 || defined L_gcrt1 ) && defined __UCLIBC_CTOR_DTOR__
        lis     r6,_init@ha     # load top 16 bits
        addi    r6,r6,_init@l   # load bottom 16 bits
        lis     r7,_fini@ha     # load top 16 bits of &msg
        addi    r7,r7,_fini@l   # load bottom 16 bits
        bl      __uClibc_start_main
#else
        bl      __uClibc_main
#endif
.size _start,.-_start

        .section ".data"
        .globl  __data_start
__data_start:

#if defined L_gcrt1 && defined __UCLIBC_PROFILING__
# include "./gmon-start.S"
#endif