aac5773f
 hucm
功能基本完成，接口待打磨
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/*
* check XMM registers for clobbers on Win64
* Copyright (c) 2008 Ramiro Polla <ramiro.polla@gmail.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
*/
#ifndef AVUTIL_X86_W64XMMTEST_H
#define AVUTIL_X86_W64XMMTEST_H
#include <inttypes.h>
#include <stdint.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include "libavutil/bswap.h"
#define storexmmregs(mem) \
__asm__ volatile( \
"movups %%xmm6 , 0x00(%0)\n\t" \
"movups %%xmm7 , 0x10(%0)\n\t" \
"movups %%xmm8 , 0x20(%0)\n\t" \
"movups %%xmm9 , 0x30(%0)\n\t" \
"movups %%xmm10, 0x40(%0)\n\t" \
"movups %%xmm11, 0x50(%0)\n\t" \
"movups %%xmm12, 0x60(%0)\n\t" \
"movups %%xmm13, 0x70(%0)\n\t" \
"movups %%xmm14, 0x80(%0)\n\t" \
"movups %%xmm15, 0x90(%0)\n\t" \
:: "r"(mem) : "memory")
#define testxmmclobbers(func, ctx, ...) \
uint64_t xmm[2][10][2]; \
int ret; \
storexmmregs(xmm[0]); \
ret = __real_ ## func(ctx, __VA_ARGS__); \
storexmmregs(xmm[1]); \
if (memcmp(xmm[0], xmm[1], sizeof(xmm[0]))) { \
int i; \
av_log(ctx, AV_LOG_ERROR, \
"XMM REGS CLOBBERED IN %s!\n", #func); \
for (i = 0; i < 10; i ++) \
if (xmm[0][i][0] != xmm[1][i][0] || \
xmm[0][i][1] != xmm[1][i][1]) { \
av_log(ctx, AV_LOG_ERROR, \
"xmm%-2d = %016"PRIx64"%016"PRIx64"\n", \
6 + i, av_bswap64(xmm[0][i][0]), \
av_bswap64(xmm[0][i][1])); \
av_log(ctx, AV_LOG_ERROR, \
" -> %016"PRIx64"%016"PRIx64"\n", \
av_bswap64(xmm[1][i][0]), \
av_bswap64(xmm[1][i][1])); \
} \
abort(); \
} \
return ret
#define wrap(func) \
int __real_ ## func; \
int __wrap_ ## func; \
int __wrap_ ## func
#endif /* AVUTIL_X86_W64XMMTEST_H */
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