ref: b3f0c9844be8610e23b0aa29e52f499de4eda083
dir: /src/arm/32/util.S/
/****************************************************************************** * 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_32_UTIL_S #define DAVID_SRC_ARM_32_UTIL_S #include "config.h" #include "src/arm/asm.S" .macro movrel rd, val, offset=0 #if defined(PIC) && defined(__APPLE__) ldr \rd, 1f b 2f 1: .word 3f - (2f + 8 - 4 * CONFIG_THUMB) 2: ldr \rd, [pc, \rd] .if \offset < 0 sub \rd, \rd, #-(\offset) .elseif \offset > 0 add \rd, \rd, #\offset .endif .non_lazy_symbol_pointer 3: .indirect_symbol \val .word 0 .text #elif defined(PIC) ldr \rd, 1f b 2f 1: .word \val + \offset - (2f + 8 - 4 * CONFIG_THUMB) 2: add \rd, \rd, pc #else movw \rd, #:lower16:\val+\offset movt \rd, #:upper16:\val+\offset #endif .endm #endif /* DAVID_SRC_ARM_32_UTIL_S */