2 * Copyright (C) 2019 Alyssa Rosenzweig
3 * Copyright (C) 2017-2018 Lyude Paul
4 * Copyright (C) 2019 Collabora, Ltd.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice (including the next
14 * paragraph) shall be included in all copies or substantial portions of the
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
33 #include "util/macros.h"
37 static struct pandecode_mapped_memory mmaps
;
39 struct pandecode_mapped_memory
*
40 pandecode_find_mapped_gpu_mem_containing(uint64_t addr
)
42 list_for_each_entry(struct pandecode_mapped_memory
, pos
, &mmaps
.node
, node
) {
43 if (addr
>= pos
->gpu_va
&& addr
< pos
->gpu_va
+ pos
->length
)
51 pandecode_add_name(struct pandecode_mapped_memory
*mem
, uint64_t gpu_va
, const char *name
)
54 /* If we don't have a name, assign one */
56 snprintf(mem
->name
, ARRAY_SIZE(mem
->name
) - 1,
57 "memory_%" PRIx64
, gpu_va
);
59 assert((strlen(name
) + 1) < ARRAY_SIZE(mem
->name
));
60 memcpy(mem
->name
, name
, strlen(name
) + 1);
65 pandecode_inject_mmap(uint64_t gpu_va
, void *cpu
, unsigned sz
, const char *name
)
67 /* First, search if we already mapped this and are just updating an address */
69 list_for_each_entry(struct pandecode_mapped_memory
, pos
, &mmaps
.node
, node
) {
70 if (pos
->gpu_va
== gpu_va
) {
71 /* TODO: Resizing weirdness. Only applies to tracing
72 * the legacy driver, not for native traces */
76 pandecode_add_name(pos
, gpu_va
, name
);
82 /* Otherwise, add a fresh mapping */
83 struct pandecode_mapped_memory
*mapped_mem
= NULL
;
85 mapped_mem
= malloc(sizeof(*mapped_mem
));
86 list_inithead(&mapped_mem
->node
);
88 mapped_mem
->gpu_va
= gpu_va
;
89 mapped_mem
->length
= sz
;
90 mapped_mem
->addr
= cpu
;
91 pandecode_add_name(mapped_mem
, gpu_va
, name
);
93 list_add(&mapped_mem
->node
, &mmaps
.node
);
97 pointer_as_memory_reference(uint64_t ptr
)
99 struct pandecode_mapped_memory
*mapped
;
100 char *out
= malloc(128);
102 /* Try to find the corresponding mapped zone */
104 mapped
= pandecode_find_mapped_gpu_mem_containing(ptr
);
107 snprintf(out
, 128, "%s + %d", mapped
->name
, (int) (ptr
- mapped
->gpu_va
));
111 /* Just use the raw address if other options are exhausted */
113 snprintf(out
, 128, "0x%" PRIx64
, ptr
);
119 pandecode_initialize(void)
121 list_inithead(&mmaps
.node
);