| /* Copyright (C) 2000 Free Software Foundation, Inc. |
| This file was pretty much copied from newlib. |
| |
| This file is part of GNU CC. |
| |
| GNU CC is free software; you can redistribute it and/or modify it |
| under the terms of the GNU General Public License as published by the |
| Free Software Foundation; either version 2, or (at your option) any |
| later version. |
| |
| In addition to the permissions in the GNU General Public License, the |
| Free Software Foundation gives you unlimited permission to link the |
| compiled version of this file into combinations with other programs, |
| and to distribute those combinations without any restriction coming |
| from the use of this file. (The General Public License restrictions |
| do apply in other respects; for example, they cover modification of |
| the file, and distribution when not linked into a combine |
| executable.) |
| |
| GNU CC is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; see the file COPYING. If not, write to |
| the Free Software Foundation, 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, USA. */ |
| |
| .section .text |
| .global start |
| start: |
| mov.l stack_k,r15 |
| |
| ! zero out bss |
| mov.l edata_k,r0 |
| mov.l end_k,r1 |
| mov #0,r2 |
| start_l: |
| mov.l r2,@r0 |
| add #4,r0 |
| cmp/ge r0,r1 |
| bt start_l |
| |
| #if defined (__SH3E__) || defined(__SH4_SINGLE__) || defined(__SH4__) || defined(__SH4_SINGLE_ONLY__) |
| mov.l set_fpscr_k, r1 |
| jsr @r1 |
| mov #0,r4 |
| lds r3,fpscr |
| #endif /* defined (__SH3E__) || defined(__SH4_SINGLE__) || defined(__SH4__) || defined(__SH4_SINGLE_ONLY__) */ |
| |
| ! arrange for exit to call fini |
| mov.l atexit_k,r0 |
| mov.l fini_k,r4 |
| jsr @r0 |
| nop |
| |
| ! call init |
| mov.l init_k,r0 |
| jsr @r0 |
| nop |
| |
| ! call the mainline |
| mov.l main_k,r0 |
| jsr @r0 |
| nop |
| |
| ! call exit |
| mov r0,r4 |
| mov.l exit_k,r0 |
| jsr @r0 |
| nop |
| |
| .align 2 |
| #if defined (__SH3E__) || defined(__SH4_SINGLE__) || defined(__SH4__) || defined(__SH4_SINGLE_ONLY__) |
| set_fpscr_k: |
| .long ___set_fpscr |
| #endif /* defined (__SH3E__) || defined(__SH4_SINGLE__) || defined(__SH4__) || defined(__SH4_SINGLE_ONLY__) */ |
| stack_k: |
| .long _stack |
| edata_k: |
| .long _edata |
| end_k: |
| .long _end |
| main_k: |
| .long ___setup_argv_and_call_main |
| exit_k: |
| .long _exit |
| atexit_k: |
| .long _atexit |
| init_k: |
| .long _init |
| fini_k: |
| .long _fini |
| |
| ! supplied for backward compatibility only, in case of linking |
| ! code whose main() was compiled with an older version of GCC. |
| .global ___main |
| ___main: |
| rts |
| nop |
| |
| #ifdef __ELF__ |
| .section .stack,"aw" |
| #else |
| .section .stack |
| #endif |
| _stack: .long 0xdeaddead |