| /* |
| * Copyright (C) 2019 Alyssa Rosenzweig |
| * Copyright (C) 2017-2018 Lyude Paul |
| * Copyright (C) 2019 Collabora, Ltd. |
| * |
| * 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. |
| */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <assert.h> |
| #include <stdint.h> |
| #include <string.h> |
| |
| #include "decode.h" |
| #include "util/macros.h" |
| #include "util/u_debug.h" |
| |
| /* Memory handling */ |
| |
| static struct pandecode_mapped_memory mmaps; |
| |
| struct pandecode_mapped_memory * |
| pandecode_find_mapped_gpu_mem_containing(uint64_t addr) |
| { |
| list_for_each_entry(struct pandecode_mapped_memory, pos, &mmaps.node, node) { |
| if (addr >= pos->gpu_va && addr < pos->gpu_va + pos->length) |
| return pos; |
| } |
| |
| return NULL; |
| } |
| |
| static void |
| pandecode_add_name(struct pandecode_mapped_memory *mem, uint64_t gpu_va, const char *name) |
| { |
| if (!name) { |
| /* If we don't have a name, assign one */ |
| |
| snprintf(mem->name, ARRAY_SIZE(mem->name) - 1, |
| "memory_%" PRIx64, gpu_va); |
| } else { |
| assert((strlen(name) + 1) < ARRAY_SIZE(mem->name)); |
| memcpy(mem->name, name, strlen(name) + 1); |
| } |
| } |
| |
| void |
| pandecode_inject_mmap(uint64_t gpu_va, void *cpu, unsigned sz, const char *name) |
| { |
| /* First, search if we already mapped this and are just updating an address */ |
| |
| list_for_each_entry(struct pandecode_mapped_memory, pos, &mmaps.node, node) { |
| if (pos->gpu_va == gpu_va) { |
| /* TODO: Resizing weirdness. Only applies to tracing |
| * the legacy driver, not for native traces */ |
| |
| pos->length = sz; |
| pos->addr = cpu; |
| pandecode_add_name(pos, gpu_va, name); |
| |
| return; |
| } |
| } |
| |
| /* Otherwise, add a fresh mapping */ |
| struct pandecode_mapped_memory *mapped_mem = NULL; |
| |
| mapped_mem = malloc(sizeof(*mapped_mem)); |
| list_inithead(&mapped_mem->node); |
| |
| mapped_mem->gpu_va = gpu_va; |
| mapped_mem->length = sz; |
| mapped_mem->addr = cpu; |
| pandecode_add_name(mapped_mem, gpu_va, name); |
| |
| list_add(&mapped_mem->node, &mmaps.node); |
| } |
| |
| char * |
| pointer_as_memory_reference(uint64_t ptr) |
| { |
| struct pandecode_mapped_memory *mapped; |
| char *out = malloc(128); |
| |
| /* Try to find the corresponding mapped zone */ |
| |
| mapped = pandecode_find_mapped_gpu_mem_containing(ptr); |
| |
| if (mapped) { |
| snprintf(out, 128, "%s + %d", mapped->name, (int) (ptr - mapped->gpu_va)); |
| return out; |
| } |
| |
| /* Just use the raw address if other options are exhausted */ |
| |
| snprintf(out, 128, "0x%" PRIx64, ptr); |
| return out; |
| |
| } |
| |
| static int pandecode_dump_frame_count = 0; |
| |
| static void |
| pandecode_dump_file_open(void) |
| { |
| if (pandecode_dump_stream) |
| return; |
| |
| char buffer[1024]; |
| |
| /* This does a getenv every frame, so it is possible to use |
| * setenv to change the base at runtime. |
| */ |
| const char *dump_file_base = debug_get_option("PANDECODE_DUMP_FILE", "pandecode.dump"); |
| snprintf(buffer, sizeof(buffer), "%s.%04d", dump_file_base, pandecode_dump_frame_count); |
| |
| printf("pandecode: dump command stream to file %s\n", buffer); |
| pandecode_dump_stream = fopen(buffer, "w"); |
| |
| if (!pandecode_dump_stream) |
| fprintf(stderr,"pandecode: failed to open command stream log file %s\n", |
| buffer); |
| } |
| |
| static void |
| pandecode_dump_file_close(void) |
| { |
| if (pandecode_dump_stream) { |
| fclose(pandecode_dump_stream); |
| pandecode_dump_stream = NULL; |
| } |
| } |
| |
| void |
| pandecode_initialize(void) |
| { |
| list_inithead(&mmaps.node); |
| pandecode_dump_file_open(); |
| } |
| |
| void |
| pandecode_next_frame(void) |
| { |
| pandecode_dump_file_close(); |
| pandecode_dump_frame_count++; |
| pandecode_dump_file_open(); |
| } |
| |
| void |
| pandecode_close(void) |
| { |
| pandecode_dump_file_close(); |
| } |