46 lines
1.3 KiB
ArmAsm
46 lines
1.3 KiB
ArmAsm
|
/*
|
||
|
* 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)
|