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/*

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 * Copyright (c) 2008 Mans Rullgard <[email protected]>

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 *

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 * This file is part of FFmpeg.

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 *

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 * FFmpeg is free software; you can redistribute it and/or

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 * modify it under the terms of the GNU Lesser General Public

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 * License as published by the Free Software Foundation; either

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 * version 2.1 of the License, or (at your option) any later version.

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 *

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 * FFmpeg is distributed in the hope that it will be useful,

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 * but WITHOUT ANY WARRANTY; without even the implied warranty of

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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

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 * Lesser General Public License for more details.

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 *

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 * You should have received a copy of the GNU Lesser General Public

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 * License along with FFmpeg; if not, write to the Free Software

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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

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 */

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#include "config.h"

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#ifdef __ELF__

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#   define ELF

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#else

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#   define ELF  #

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#endif

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#if HAVE_AS_FUNC

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#   define FUNC

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#else

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#   define FUNC #

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#endif

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.macro  function name, export=0, align=2

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    .macro endfunc

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ELF     .size   \name, . - \name

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FUNC    .endfunc

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        .purgem endfunc

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    .endm

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        .text

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        .align          \align

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    .if \export

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        .global EXTERN_ASM\name

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ELF     .type   EXTERN_ASM\name, %function

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FUNC    .func   EXTERN_ASM\name

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EXTERN_ASM\name:

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    .else

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ELF     .type   \name, %function

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FUNC    .func   \name

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\name:

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    .endif

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.endm

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.macro  const   name, align=2, relocate=0

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    .macro endconst

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ELF     .size   \name, . - \name

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        .purgem endconst

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    .endm

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#if HAVE_SECTION_DATA_REL_RO

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.if \relocate

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        .section        .data.rel.ro

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.else

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        .section        .rodata

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.endif

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#elif !defined(__MACH__)

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        .section        .rodata

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#else

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        .const_data

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#endif

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        .align          \align

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\name:

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.endm

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.macro  movrel rd, val

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#if CONFIG_PIC && defined(__APPLE__)

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        adrp            \rd, \val@PAGE

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        add             \rd, \rd, \val@PAGEOFF

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#elif CONFIG_PIC

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        adrp            \rd, \val

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        add             \rd, \rd, :lo12:\val

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#else

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        ldr             \rd, =\val

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#endif

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.endm

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#define GLUE(a, b) a ## b

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#define JOIN(a, b) GLUE(a, b)

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#define X(s) JOIN(EXTERN_ASM, s)

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