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/*
* Copyright (C) 2017-2019 Lyude Paul
* Copyright (C) 2017-2019 Alyssa Rosenzweig
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
#ifndef __PAN_DECODE_H__
#define __PAN_DECODE_H__
#include "public.h"
#include "util/list.h"
struct pandecode_mapped_memory {
struct list_head node;
size_t length;
void *addr;
uint64_t gpu_va;
char name[32];
};
char *pointer_as_memory_reference(uint64_t ptr);
struct pandecode_mapped_memory *pandecode_find_mapped_gpu_mem_containing(uint64_t addr);
static inline void *
__pandecode_fetch_gpu_mem(const struct pandecode_mapped_memory *mem,
uint64_t gpu_va, size_t size,
int line, const char *filename)
{
if (!mem)
mem = pandecode_find_mapped_gpu_mem_containing(gpu_va);
if (!mem) {
fprintf(stderr, "Access to unknown memory %" PRIx64 " in %s:%d",
gpu_va, filename, line);
assert(0);
}
assert(mem);
assert(size + (gpu_va - mem->gpu_va) <= mem->length);
return mem->addr + gpu_va - mem->gpu_va;
}
#define pandecode_fetch_gpu_mem(mem, gpu_va, size) \
__pandecode_fetch_gpu_mem(mem, gpu_va, size, __LINE__, __FILE__)
/* Returns a validated pointer to mapped GPU memory with the given pointer type,
* size automatically determined from the pointer type
*/
#define PANDECODE_PTR(mem, gpu_va, type) \
((type*)(__pandecode_fetch_gpu_mem(mem, gpu_va, sizeof(type), \
__LINE__, __FILE__)))
/* Usage: <variable type> PANDECODE_PTR_VAR(name, mem, gpu_va) */
#define PANDECODE_PTR_VAR(name, mem, gpu_va) \
name = __pandecode_fetch_gpu_mem(mem, gpu_va, sizeof(*name), \
__LINE__, __FILE__)
#endif /* __MMAP_TRACE_H__ */
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