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- /*
- * 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
- .if \export
- .global EXTERN_ASM\name
- EXTERN_ASM\name:
- .endif
- ELF .type \name, %function
- .func \name
- \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
- 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)
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