ffmpeg-2.8.5

git-svn-id: svn://kolibrios.org@6147 a494cfbc-eb01-0410-851d-a64ba20cac60

contrib/sdk/sources/ffmpeg/ffmpeg-2.8/libavutil/aarch64/asm.S

@@ -0,0 +1,89 @@
+/*
+ * 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
+
+#if HAVE_AS_FUNC
+#   define FUNC
+#else
+#   define FUNC #
+#endif
+
+.macro  function name, export=0, align=2
+    .macro endfunc
+ELF     .size   \name, . - \name
+FUNC    .endfunc
+        .purgem endfunc
+    .endm
+        .text
+        .align          \align
+    .if \export
+        .global EXTERN_ASM\name
+ELF     .type   EXTERN_ASM\name, %function
+FUNC    .func   EXTERN_ASM\name
+EXTERN_ASM\name:
+    .else
+ELF     .type   \name, %function
+FUNC    .func   \name
+\name:
+    .endif
+.endm
+
+.macro  const   name, align=2, relocate=0
+    .macro endconst
+ELF     .size   \name, . - \name
+        .purgem endconst
+    .endm
+#if HAVE_SECTION_DATA_REL_RO
+.if \relocate
+        .section        .data.rel.ro
+.else
+        .section        .rodata
+.endif
+#elif !defined(__MACH__)
+        .section        .rodata
+#else
+        .const_data
+#endif
+        .align          \align
+\name:
+.endm
+
+.macro  movrel rd, val
+#if CONFIG_PIC && defined(__APPLE__)
+        adrp            \rd, \val@PAGE
+        add             \rd, \rd, \val@PAGEOFF
+#elif CONFIG_PIC
+        adrp            \rd, \val
+        add             \rd, \rd, :lo12:\val
+#else
+        ldr             \rd, =\val
+#endif
+.endm
+
+#define GLUE(a, b) a ## b
+#define JOIN(a, b) GLUE(a, b)
+#define X(s) JOIN(EXTERN_ASM, s)