diff options
author | Janne Grunau <janne-vlc@jannau.net> | 2018-09-29 14:57:29 +0300 |
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committer | Henrik Gramner <gramner@twoorioles.com> | 2018-09-29 18:22:24 +0300 |
commit | 35e777f3780327ea055339408bf7f9c1313254ce (patch) | |
tree | 1a2deaf17576a2d8be070e721e62b8358f0173eb /src/arm/64/util.S | |
parent | e72c2e45748a9f80223d57333772419f00fc4e7e (diff) |
build: add support for arm/aarch64 asm and integrate checkasm
Diffstat (limited to 'src/arm/64/util.S')
-rw-r--r-- | src/arm/64/util.S | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/src/arm/64/util.S b/src/arm/64/util.S new file mode 100644 index 0000000..53bc676 --- /dev/null +++ b/src/arm/64/util.S @@ -0,0 +1,62 @@ +/****************************************************************************** + * Copyright © 2018, VideoLAN and dav1d authors + * Copyright © 2015 Martin Storsjo + * Copyright © 2015 Janne Grunau + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR + * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + *****************************************************************************/ + +#ifndef __DAVID_SRC_ARM_64_UTIL_S__ +#define __DAVID_SRC_ARM_64_UTIL_S__ + +#include "config.h" +#include "src/arm/asm.S" + +.macro movrel rd, val, offset=0 +#if defined(PIC) && defined(__APPLE__) + .if \offset < 0 + adrp \rd, \val@PAGE + add \rd, \rd, \val@PAGEOFF + sub \rd, \rd, -(\offset) + .else + adrp \rd, \val+(\offset)@PAGE + add \rd, \rd, \val+(\offset)@PAGEOFF + .endif +#elif defined(PIC) && defined(_WIN32) + .if \offset < 0 + adrp \rd, \val + add \rd, \rd, :lo12:\val + sub \rd, \rd, -(\offset) + .else + adrp \rd, \val+(\offset) + add \rd, \rd, :lo12:\val+(\offset) + .endif +#elif defined(PIC) + adrp \rd, \val+(\offset) + add \rd, \rd, :lo12:\val+(\offset) +#else + ldr \rd, =\val+\offset +#endif +.endm + +#endif /* __DAVID_SRC_ARM_64_UTIL_S__ */ |