| ; |
| ; Port of uClibc for TMS320C6000 DSP architecture |
| ; |
| ; Copyright (C) 2010 Texas Instruments Incorporated |
| ; Mark Salter <msalter@redhat.com> |
| ; |
| ; This program is free software; you can redistribute it and/or modify it |
| ; under the terms of the GNU Library General Public License as published by |
| ; the Free Software Foundation; either version 2 of the License, or (at your |
| ; option) any later version. |
| ; |
| ; This program 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 Library General Public License |
| ; for more details. |
| ; |
| ; You should have received a copy of the GNU Library General Public License |
| ; along with this program; if not, write to the Free Software Foundation, |
| ; Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| ; |
| |
| .text |
| |
| ;; On entry, the dynamic linker |
| ;; |
| ;; 0(sp) pad0 |
| ;; 4(sp) pad1 |
| ;; 8(sp) argc |
| ;; 12(sp) argv[0] |
| ;; ... |
| ;; (4*(argc+3))(sp) NULL |
| ;; (4*(argc+4))(sp) envp[0] |
| ;; ... |
| ;; NULL |
| |
| ;; Register values are unspecified, except: |
| ;; |
| ;; A4 --> pointer to rtld fini rountine |
| ;; B14 --> pointer to application DSBT table |
| |
| .global _start |
| _start: |
| .global _c_int00 |
| _c_int00: |
| ;; Things to do: |
| ;; |
| ;; * call __uClibc_main( |
| ;; int (*main)(int, char **, char **), A4 |
| ;; int argc, B4 |
| ;; char **argv, A6 |
| ;; void (*app_init)(void), B6 |
| ;; void (*app_fini)(void), A8 |
| ;; void (*rtld_fini)(void), B8 |
| ;; void *stack_end) A10 |
| |
| MV .D2X A4,B8 ; rtld_fini |
| |
| LDW .D2T1 *+B14($GOT(main)), A4 |
| LDW .D2T2 *+B14($GOT(_init)), B6 |
| B .S2 __uClibc_main |
| || LDW .D2T1 *+B14($GOT(_fini)), A8 |
| |
| LDW .D2T2 *+B15(8),B4 ; argc |
| ADDAW .D1X B15,3,A6 ; **argv |
| MV .D1X B15,A10 ; stack_end |
| || ZERO .L1 A15 ; clear FP |
| NOP 2 |