nengel@2: /*
nengel@2:  * Copyright (c) 2008 Mans Rullgard <mans@mansr.com>
nengel@2:  *
nengel@2:  * This file is part of FFmpeg.
nengel@2:  *
nengel@2:  * FFmpeg is free software; you can redistribute it and/or
nengel@2:  * modify it under the terms of the GNU Lesser General Public
nengel@2:  * License as published by the Free Software Foundation; either
nengel@2:  * version 2.1 of the License, or (at your option) any later version.
nengel@2:  *
nengel@2:  * FFmpeg is distributed in the hope that it will be useful,
nengel@2:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
nengel@2:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
nengel@2:  * Lesser General Public License for more details.
nengel@2:  *
nengel@2:  * You should have received a copy of the GNU Lesser General Public
nengel@2:  * License along with FFmpeg; if not, write to the Free Software
nengel@2:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
nengel@2:  */
nengel@2: 
nengel@2: #include "config.h"
nengel@2: 
nengel@2: #ifdef __ELF__
nengel@2: #   define ELF
nengel@2: #else
nengel@2: #   define ELF @
nengel@2: #endif
nengel@2: 
nengel@2:         .macro require8, val=1
nengel@2: ELF     .eabi_attribute 24, \val
nengel@2:         .endm
nengel@2: 
nengel@2:         .macro preserve8, val=1
nengel@2: ELF     .eabi_attribute 25, \val
nengel@2:         .endm
nengel@2: 
nengel@2:         .macro function name, export=0
nengel@2:         .macro endfunc
nengel@2: ELF     .size   \name, . - \name
nengel@2:         .endfunc
nengel@2:         .purgem endfunc
nengel@2:         .endm
nengel@2: .if \export
nengel@2:         .global EXTERN_ASM\name
nengel@2: EXTERN_ASM\name:
nengel@2: .endif
nengel@2: ELF     .type   \name, %function
nengel@2:         .func   \name
nengel@2: \name:
nengel@2:         .endm
nengel@2: 
nengel@2:         .macro movrel rd, val
nengel@2: #if HAVE_ARMV6T2 && !CONFIG_PIC
nengel@2:         movw            \rd, #:lower16:\val
nengel@2:         movt            \rd, #:upper16:\val
nengel@2: #else
nengel@2:         ldr             \rd, =\val
nengel@2: #endif
nengel@2:         .endm
nengel@2: 
nengel@2: #if HAVE_VFP_ARGS
nengel@2:         .eabi_attribute 28, 1
nengel@2: #   define VFP
nengel@2: #   define NOVFP @
nengel@2: #else
nengel@2: #   define VFP   @
nengel@2: #   define NOVFP
nengel@2: #endif
nengel@2: 
nengel@2: #define GLUE(a, b) a ## b
nengel@2: #define JOIN(a, b) GLUE(a, b)
nengel@2: #define X(s) JOIN(EXTERN_ASM, s)