diff options
| -rw-r--r-- | libavcodec/aarch64/Makefile | 1 | ||||
| -rw-r--r-- | libavcodec/aarch64/neontest.c | 79 | ||||
| -rw-r--r-- | libavresample/aarch64/Makefile | 1 | ||||
| -rw-r--r-- | libavresample/aarch64/neontest.c | 31 | ||||
| -rw-r--r-- | libavutil/aarch64/neontest.h | 65 |
5 files changed, 177 insertions, 0 deletions
diff --git a/libavcodec/aarch64/Makefile b/libavcodec/aarch64/Makefile index 93a8d0c294..af89f93ac6 100644 --- a/libavcodec/aarch64/Makefile +++ b/libavcodec/aarch64/Makefile @@ -2,6 +2,7 @@ OBJS-$(CONFIG_H264CHROMA) += aarch64/h264chroma_init_aarch64.o OBJS-$(CONFIG_H264DSP) += aarch64/h264dsp_init_aarch64.o OBJS-$(CONFIG_H264QPEL) += aarch64/h264qpel_init_aarch64.o OBJS-$(CONFIG_HPELDSP) += aarch64/hpeldsp_init_aarch64.o +OBJS-$(CONFIG_NEON_CLOBBER_TEST) += aarch64/neontest.o OBJS-$(CONFIG_RV40_DECODER) += aarch64/rv40dsp_init_aarch64.o OBJS-$(CONFIG_VC1_DECODER) += aarch64/vc1dsp_init_aarch64.o diff --git a/libavcodec/aarch64/neontest.c b/libavcodec/aarch64/neontest.c new file mode 100644 index 0000000000..041482913f --- /dev/null +++ b/libavcodec/aarch64/neontest.c @@ -0,0 +1,79 @@ +/* + * check NEON registers for clobbers + * Copyright (c) 2013 Martin Storsjo + * + * This file is part of Libav. + * + * Libav 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. + * + * Libav 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 Libav; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "libavcodec/avcodec.h" +#include "libavutil/aarch64/neontest.h" + +wrap(avcodec_open2(AVCodecContext *avctx, + AVCodec *codec, + AVDictionary **options)) +{ + testneonclobbers(avcodec_open2, avctx, codec, options); +} + +wrap(avcodec_decode_audio4(AVCodecContext *avctx, + AVFrame *frame, + int *got_frame_ptr, + AVPacket *avpkt)) +{ + testneonclobbers(avcodec_decode_audio4, avctx, frame, + got_frame_ptr, avpkt); +} + +wrap(avcodec_decode_video2(AVCodecContext *avctx, + AVFrame *picture, + int *got_picture_ptr, + AVPacket *avpkt)) +{ + testneonclobbers(avcodec_decode_video2, avctx, picture, + got_picture_ptr, avpkt); +} + +wrap(avcodec_decode_subtitle2(AVCodecContext *avctx, + AVSubtitle *sub, + int *got_sub_ptr, + AVPacket *avpkt)) +{ + testneonclobbers(avcodec_decode_subtitle2, avctx, sub, + got_sub_ptr, avpkt); +} + +wrap(avcodec_encode_audio2(AVCodecContext *avctx, + AVPacket *avpkt, + const AVFrame *frame, + int *got_packet_ptr)) +{ + testneonclobbers(avcodec_encode_audio2, avctx, avpkt, frame, + got_packet_ptr); +} + +wrap(avcodec_encode_subtitle(AVCodecContext *avctx, + uint8_t *buf, int buf_size, + const AVSubtitle *sub)) +{ + testneonclobbers(avcodec_encode_subtitle, avctx, buf, buf_size, sub); +} + +wrap(avcodec_encode_video2(AVCodecContext *avctx, AVPacket *avpkt, + const AVFrame *frame, int *got_packet_ptr)) +{ + testneonclobbers(avcodec_encode_video2, avctx, avpkt, frame, got_packet_ptr); +} diff --git a/libavresample/aarch64/Makefile b/libavresample/aarch64/Makefile new file mode 100644 index 0000000000..13ba193a47 --- /dev/null +++ b/libavresample/aarch64/Makefile @@ -0,0 +1 @@ +OBJS-$(CONFIG_NEON_CLOBBER_TEST) += aarch64/neontest.o diff --git a/libavresample/aarch64/neontest.c b/libavresample/aarch64/neontest.c new file mode 100644 index 0000000000..20e563dfa6 --- /dev/null +++ b/libavresample/aarch64/neontest.c @@ -0,0 +1,31 @@ +/* + * check NEON registers for clobbers + * Copyright (c) 2013 Martin Storsjo + * + * This file is part of Libav. + * + * Libav 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. + * + * Libav 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 Libav; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "libavresample/avresample.h" +#include "libavutil/aarch64/neontest.h" + +wrap(avresample_convert(AVAudioResampleContext *avr, uint8_t **output, + int out_plane_size, int out_samples, uint8_t **input, + int in_plane_size, int in_samples)) +{ + testneonclobbers(avresample_convert, avr, output, out_plane_size, + out_samples, input, in_plane_size, in_samples); +} diff --git a/libavutil/aarch64/neontest.h b/libavutil/aarch64/neontest.h new file mode 100644 index 0000000000..de841bbbae --- /dev/null +++ b/libavutil/aarch64/neontest.h @@ -0,0 +1,65 @@ +/* + * check NEON registers for clobbering + * Copyright (c) 2008 Ramiro Polla <ramiro.polla@gmail.com> + * Copyright (c) 2013 Martin Storsjo + * + * This file is part of Libav. + * + * Libav 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. + * + * Libav 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 Libav; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <inttypes.h> +#include <stdint.h> +#include <stdlib.h> +#include <stdarg.h> +#include <string.h> + +#include "libavutil/bswap.h" + +#define storeneonregs(mem) \ + __asm__ volatile( \ + "stp d8, d9, [%0]\n\t" \ + "stp d10, d11, [%0, #16]\n\t" \ + "stp d12, d13, [%0, #32]\n\t" \ + "stp d14, d15, [%0, #48]\n\t" \ + :: "r"(mem) : "memory") + +#define testneonclobbers(func, ctx, ...) \ + uint64_t neon[2][8]; \ + int ret; \ + storeneonregs(neon[0]); \ + ret = __real_ ## func(ctx, __VA_ARGS__); \ + storeneonregs(neon[1]); \ + if (memcmp(neon[0], neon[1], sizeof(neon[0]))) { \ + int i; \ + av_log(ctx, AV_LOG_ERROR, \ + "NEON REGS CLOBBERED IN %s!\n", #func); \ + for (i = 0; i < 8; i ++) \ + if (neon[0][i] != neon[1][i]) { \ + av_log(ctx, AV_LOG_ERROR, \ + "d%-2d = %016"PRIx64"\n", \ + 8 + i, av_bswap64(neon[0][i])); \ + av_log(ctx, AV_LOG_ERROR, \ + " -> %016"PRIx64"\n", \ + av_bswap64(neon[1][i])); \ + } \ + abort(); \ + } \ + return ret + +#define wrap(func) \ +int __real_ ## func; \ +int __wrap_ ## func; \ +int __wrap_ ## func |