newlib-cygwin/libgloss/rs6000/sim-crt0.S

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2000-03-18 06:48:54 +08:00
/*
* crt0.S -- startup file for PowerPC systems.
*
* Copyright (c) 1995 Cygnus Support
*
* The authors hereby grant permission to use, copy, modify, distribute,
* and license this software and its documentation for any purpose, provided
* that existing copyright notices are retained in all copies and that this
* notice is included verbatim in any distributions. No written agreement,
* license, or royalty fee is required for any of the authorized uses.
* Modifications to this software may be copyrighted by their authors
* and need not follow the licensing terms described here, provided that
* the new terms are clearly indicated on the first page of each file where
* they apply.
*/
#include "ppc-asm.h"
.file "sim-crt0.S"
.text
.globl _start
.type _start,@function
_start:
lis r0,0
stw r0,0(sp) /* clear back chain */
stwu sp,-64(sp) /* push another stack frame */
/* Let her rip */
bl FUNC_NAME(main)
/* return value from main is argument to exit */
bl FUNC_NAME(exit)
.Lstart:
.size _start,.Lstart-_start
.extern FUNC_NAME(atexit)
.globl FUNC_NAME(__atexit)
.section ".sdata","aw"
.align 2
FUNC_NAME(__atexit): /* tell C's eabi-ctor's we have an atexit function */
.long FUNC_NAME(atexit)@fixup /* and that it is to register __do_global_dtors */
.section ".fixup","aw"
.align 2
.long FUNC_NAME(__atexit)