|
Last change
on this file since 509 was
444,
checked in by satin@…, 7 years ago
|
|
add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
|
|
File size:
1.3 KB
|
| Line | |
|---|
| 1 | /* |
|---|
| 2 | * crt0.S -- startup file for PowerPC systems. |
|---|
| 3 | * |
|---|
| 4 | * Copyright (c) 1995 Cygnus Support |
|---|
| 5 | * |
|---|
| 6 | * The authors hereby grant permission to use, copy, modify, distribute, |
|---|
| 7 | * and license this software and its documentation for any purpose, provided |
|---|
| 8 | * that existing copyright notices are retained in all copies and that this |
|---|
| 9 | * notice is included verbatim in any distributions. No written agreement, |
|---|
| 10 | * license, or royalty fee is required for any of the authorized uses. |
|---|
| 11 | * Modifications to this software may be copyrighted by their authors |
|---|
| 12 | * and need not follow the licensing terms described here, provided that |
|---|
| 13 | * the new terms are clearly indicated on the first page of each file where |
|---|
| 14 | * they apply. |
|---|
| 15 | */ |
|---|
| 16 | |
|---|
| 17 | #include "ppc-asm.h" |
|---|
| 18 | |
|---|
| 19 | .file "sim-crt0.S" |
|---|
| 20 | .text |
|---|
| 21 | .globl _start |
|---|
| 22 | .type _start,@function |
|---|
| 23 | _start: |
|---|
| 24 | lis r0,0 |
|---|
| 25 | stw r0,0(sp) /* clear back chain */ |
|---|
| 26 | stwu sp,-64(sp) /* push another stack frame */ |
|---|
| 27 | |
|---|
| 28 | /* Let her rip */ |
|---|
| 29 | bl FUNC_NAME(main) |
|---|
| 30 | |
|---|
| 31 | /* return value from main is argument to exit */ |
|---|
| 32 | bl FUNC_NAME(exit) |
|---|
| 33 | .Lstart: |
|---|
| 34 | .size _start,.Lstart-_start |
|---|
| 35 | |
|---|
| 36 | .extern FUNC_NAME(atexit) |
|---|
| 37 | .globl FUNC_NAME(__atexit) |
|---|
| 38 | .section ".sdata","aw" |
|---|
| 39 | .align 2 |
|---|
| 40 | FUNC_NAME(__atexit): /* tell C's eabi-ctor's we have an atexit function */ |
|---|
| 41 | .long FUNC_NAME(atexit)@fixup /* and that it is to register __do_global_dtors */ |
|---|
| 42 | |
|---|
| 43 | .section ".fixup","aw" |
|---|
| 44 | .align 2 |
|---|
| 45 | .long FUNC_NAME(__atexit) |
|---|
Note: See
TracBrowser
for help on using the repository browser.
