1;
2; Port of uClibc for TMS320C6000 DSP architecture
3;
4; Copyright (C) 2010 Texas Instruments Incorporated
5; Mark Salter <msalter@redhat.com>
6;
7; This program is free software; you can redistribute it and/or modify it
8; under the terms of the GNU Library General Public License as published by
9; the Free Software Foundation; either version 2 of the License, or (at your
10; option) any later version.
11;
12; This program is distributed in the hope that it will be useful, but WITHOUT
13; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14; FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
15; for more details.
16;
17; You should have received a copy of the GNU Library General Public License
18; along with this program; if not, see <http://www.gnu.org/licenses/>.
19;
20
21       .text
22
23	;; On entry, the dynamic linker
24	;;
25	;;	0(sp)			pad0
26	;;	4(sp)			pad1
27	;;	8(sp)			argc
28	;;	12(sp)			argv[0]
29	;;	...
30	;;	(4*(argc+3))(sp)	NULL
31	;;	(4*(argc+4))(sp)	envp[0]
32	;;	...
33	;;				NULL
34
35	;; Register values are unspecified, except:
36	;;
37	;;	A4  --> pointer to rtld fini rountine
38	;;	B14 --> pointer to application DSBT table
39
40	.global	_start
41_start:
42	.global _c_int00
43_c_int00:
44	;; Things to do:
45	;;
46	;; 	* call __uClibc_main(
47	;; 		int (*main)(int, char **, char **),	A4
48	;; 		int argc,				B4
49	;;		char **argv,			   	A6
50	;; 		void (*app_init)(void),		   	B6
51	;; 		void (*app_fini)(void),		   	A8
52	;;		void (*rtld_fini)(void),		B8
53	;; 		void *stack_end)			A10
54
55	MV .D2X	A4,B8		; rtld_fini
56
57	LDW .D2T1	*+B14($GOT(main)), A4
58	LDW .D2T2	*+B14($GOT(_init)), B6
59	B .S2		__uClibc_main
60||	LDW .D2T1	*+B14($GOT(_fini)), A8
61
62	LDW .D2T2	*+B15(8),B4	; argc
63	ADDAW .D1X	B15,3,A6	; **argv
64	MV .D1X		B15,A10		; stack_end
65||	ZERO .L1	A15		; clear FP
66	NOP		2
67