1/*
2 * Copyright (c) 2008 Mans Rullgard <mans@mansr.com>
3 *
4 * This file is part of FFmpeg.
5 *
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21#include "config.h"
22
23#ifdef __ELF__
24#   define ELF
25#else
26#   define ELF @
27#endif
28
29        .macro require8, val=1
30ELF     .eabi_attribute 24, \val
31        .endm
32
33        .macro preserve8, val=1
34ELF     .eabi_attribute 25, \val
35        .endm
36
37        .macro function name, export=0
38        .macro endfunc
39ELF     .size   \name, . - \name
40        .endfunc
41        .purgem endfunc
42        .endm
43.if \export
44        .global EXTERN_ASM\name
45EXTERN_ASM\name:
46.endif
47ELF     .type   \name, %function
48        .func   \name
49\name:
50        .endm
51
52        .macro movrel rd, val
53#if HAVE_ARMV6T2 && !CONFIG_PIC
54        movw            \rd, #:lower16:\val
55        movt            \rd, #:upper16:\val
56#else
57        ldr             \rd, =\val
58#endif
59        .endm
60
61#if HAVE_VFP_ARGS
62        .eabi_attribute 28, 1
63#   define VFP
64#   define NOVFP @
65#else
66#   define VFP   @
67#   define NOVFP
68#endif
69
70#define GLUE(a, b) a ## b
71#define JOIN(a, b) GLUE(a, b)
72#define X(s) JOIN(EXTERN_ASM, s)
73