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Last change
on this file since 674 was
444,
checked in by satin@…, 7 years ago
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add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
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File size:
1.3 KB
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| 1 | /* |
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| 2 | * crt0.S -- startup file for PowerPC systems. |
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| 3 | * |
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| 4 | * Copyright (c) 1995 Cygnus Support |
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| 5 | * |
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| 6 | * The authors hereby grant permission to use, copy, modify, distribute, |
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| 7 | * and license this software and its documentation for any purpose, provided |
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| 8 | * that existing copyright notices are retained in all copies and that this |
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| 9 | * notice is included verbatim in any distributions. No written agreement, |
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| 10 | * license, or royalty fee is required for any of the authorized uses. |
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| 11 | * Modifications to this software may be copyrighted by their authors |
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| 12 | * and need not follow the licensing terms described here, provided that |
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| 13 | * the new terms are clearly indicated on the first page of each file where |
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| 14 | * they apply. |
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| 15 | */ |
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| 16 | |
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| 17 | #include "ppc-asm.h" |
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| 18 | |
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| 19 | .file "sim-crt0.S" |
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| 20 | .text |
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| 21 | .globl _start |
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| 22 | .type _start,@function |
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| 23 | _start: |
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| 24 | lis r0,0 |
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| 25 | stw r0,0(sp) /* clear back chain */ |
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| 26 | stwu sp,-64(sp) /* push another stack frame */ |
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| 27 | |
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| 28 | /* Let her rip */ |
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| 29 | bl FUNC_NAME(main) |
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| 30 | |
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| 31 | /* return value from main is argument to exit */ |
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| 32 | bl FUNC_NAME(exit) |
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| 33 | .Lstart: |
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| 34 | .size _start,.Lstart-_start |
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| 35 | |
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| 36 | .extern FUNC_NAME(atexit) |
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| 37 | .globl FUNC_NAME(__atexit) |
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| 38 | .section ".sdata","aw" |
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| 39 | .align 2 |
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| 40 | FUNC_NAME(__atexit): /* tell C's eabi-ctor's we have an atexit function */ |
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| 41 | .long FUNC_NAME(atexit)@fixup /* and that it is to register __do_global_dtors */ |
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| 42 | |
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| 43 | .section ".fixup","aw" |
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| 44 | .align 2 |
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| 45 | .long FUNC_NAME(__atexit) |
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