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