mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
94 lines
2.1 KiB
94 lines
2.1 KiB
/* |
|
* Copyright (c) 2008 Mans Rullgard <mans@mansr.com> |
|
* |
|
* This file is part of FFmpeg. |
|
* |
|
* FFmpeg is free software; you can redistribute it and/or |
|
* modify it under the terms of the GNU Lesser General Public |
|
* License as published by the Free Software Foundation; either |
|
* version 2.1 of the License, or (at your option) any later version. |
|
* |
|
* FFmpeg 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 |
|
* Lesser General Public License for more details. |
|
* |
|
* You should have received a copy of the GNU Lesser General Public |
|
* License along with FFmpeg; if not, write to the Free Software |
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
|
*/ |
|
|
|
#include "config.h" |
|
|
|
#ifdef __ELF__ |
|
# define ELF |
|
#else |
|
# define ELF @ |
|
#endif |
|
|
|
.macro require8 val=1 |
|
ELF .eabi_attribute 24, \val |
|
.endm |
|
|
|
.macro preserve8 val=1 |
|
ELF .eabi_attribute 25, \val |
|
.endm |
|
|
|
.macro function name, export=0 |
|
.macro endfunc |
|
ELF .size \name, . - \name |
|
.endfunc |
|
.purgem endfunc |
|
.endm |
|
.text |
|
.if \export |
|
.global EXTERN_ASM\name |
|
EXTERN_ASM\name: |
|
.endif |
|
ELF .type \name, %function |
|
.func \name |
|
\name: |
|
.endm |
|
|
|
.macro const name, align=2 |
|
.macro endconst |
|
ELF .size \name, . - \name |
|
.purgem endconst |
|
.endm |
|
.section .rodata |
|
.align \align |
|
\name: |
|
.endm |
|
|
|
.macro mov32 rd, val |
|
#if HAVE_ARMV6T2 |
|
movw \rd, #(\val) & 0xffff |
|
.if (\val) >> 16 |
|
movt \rd, #(\val) >> 16 |
|
.endif |
|
#else |
|
ldr \rd, =\val |
|
#endif |
|
.endm |
|
|
|
.macro movrel rd, val |
|
#if HAVE_ARMV6T2 && !CONFIG_PIC && !defined(__APPLE__) |
|
movw \rd, #:lower16:\val |
|
movt \rd, #:upper16:\val |
|
#else |
|
ldr \rd, =\val |
|
#endif |
|
.endm |
|
|
|
#if HAVE_VFP_ARGS |
|
.eabi_attribute 28, 1 |
|
# define VFP |
|
# define NOVFP @ |
|
#else |
|
# define VFP @ |
|
# define NOVFP |
|
#endif |
|
|
|
#define GLUE(a, b) a ## b |
|
#define JOIN(a, b) GLUE(a, b) |
|
#define X(s) JOIN(EXTERN_ASM, s)
|
|
|