| /* |
| * Copyright (c) 2016 Advanced Micro Devices, Inc. All rights reserved. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #pragma once |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| |
| //use PPL parallel_invoke call(on windows for now, but PPL also has a PPLx for Linux), or use cross-platform memcpy multithread which exclude PPL |
| //#define PAGEGUARD_MEMCPY_USE_PPL_LIB |
| #include "vktrace_platform.h" |
| |
| //page guard method is only available on windows now. but most source code of page guard terget cross-platform except pageguard handler and its set/reset/clear method. |
| //so, once we have more platforms to provide pageguard handler(include we implement it), the condition for #define USE_PAGEGUARD_SPEEDUP can be changed to enable pageguard. |
| |
| #if defined(WIN32) |
| #define USE_PAGEGUARD_SPEEDUP |
| #if defined(PAGEGUARD_MEMCPY_USE_PPL_LIB) |
| #include <ppl.h> |
| using namespace concurrency; |
| #endif |
| #else |
| #include <semaphore.h> |
| #include <pthread.h> |
| #endif |
| |
| |
| typedef struct __PageGuardChangedBlockInfo |
| { |
| uint32_t offset; |
| uint32_t length; |
| uint32_t reserve0; |
| uint32_t reserve1; |
| } PageGuardChangedBlockInfo, *pPageGuardChangedBlockInfo; |
| |
| #if defined(WIN32) |
| typedef HANDLE vktrace_pageguard_thread_id; |
| typedef HANDLE vktrace_sem_id; |
| #else |
| typedef pthread_t vktrace_pageguard_thread_id; |
| typedef sem_t* vktrace_sem_id; |
| #endif |
| |
| #ifdef __cplusplus |
| bool vktrace_sem_create(vktrace_sem_id *sem_id, uint32_t initvalue); |
| void vktrace_sem_delete(vktrace_sem_id sid); |
| void vktrace_sem_wait(vktrace_sem_id sid); |
| void vktrace_sem_post(vktrace_sem_id sid); |
| void vktrace_pageguard_memcpy_multithread(void *dest, const void *src, size_t n); |
| extern "C" void *vktrace_pageguard_memcpy(void * destination, const void * source, size_t size); |
| #else |
| void *vktrace_pageguard_memcpy(void * destination, const void * source, size_t size); |
| #endif |
| |
| |
| |
| #define PAGEGUARD_SPECIAL_FORMAT_PACKET_FOR_VKFLUSHMAPPEDMEMORYRANGES 0X00000001 |