diff options
Diffstat (limited to 'libgloss/rs6000/sim-crt0.S')
| -rw-r--r-- | libgloss/rs6000/sim-crt0.S | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/libgloss/rs6000/sim-crt0.S b/libgloss/rs6000/sim-crt0.S new file mode 100644 index 000000000..e0d3bb979 --- /dev/null +++ b/libgloss/rs6000/sim-crt0.S @@ -0,0 +1,45 @@ +/* + * 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) |