76d8190444
New multi_heap code has proven effective at aborting when buffer overruns occur, but it's currently hard to debug the stack traces from these failures.
77 lines
2.6 KiB
C
77 lines
2.6 KiB
C
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#ifdef ESP_PLATFORM
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#include <freertos/FreeRTOS.h>
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#include <freertos/task.h>
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#include <rom/ets_sys.h>
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#include <assert.h>
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/* Because malloc/free can happen inside an ISR context,
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we need to use portmux spinlocks here not RTOS mutexes */
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#define MULTI_HEAP_LOCK(PLOCK) do { \
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if((PLOCK) != NULL) { \
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taskENTER_CRITICAL((portMUX_TYPE *)(PLOCK)); \
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} \
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} while(0)
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#define MULTI_HEAP_UNLOCK(PLOCK) do { \
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if ((PLOCK) != NULL) { \
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taskEXIT_CRITICAL((portMUX_TYPE *)(PLOCK)); \
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} \
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} while(0)
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/* Not safe to use std i/o while in a portmux critical section,
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can deadlock, so we use the ROM equivalent functions. */
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#define MULTI_HEAP_PRINTF ets_printf
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#define MULTI_HEAP_STDERR_PRINTF(MSG, ...) ets_printf(MSG, __VA_ARGS__)
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inline static void multi_heap_assert(bool condition, const char *format, int line, intptr_t address)
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{
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/* Can't use libc assert() here as it calls printf() which can cause another malloc() for a newlib lock.
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Also, it's useful to be able to print the memory address where corruption was detected.
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*/
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#ifndef NDEBUG
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if(!condition) {
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#ifndef CONFIG_OPTIMIZATION_ASSERTIONS_SILENT
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ets_printf(format, line, address);
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#endif // CONFIG_OPTIMIZATION_ASSERTIONS_SILENT
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abort();
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}
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#else // NDEBUG
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(void) condition;
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#endif // NDEBUG
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}
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#define MULTI_HEAP_ASSERT(CONDITION, ADDRESS) \
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multi_heap_assert((CONDITION), "CORRUPT HEAP: multi_heap.c:%d detected at 0x%08x\n", \
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__LINE__, (intptr_t)(ADDRESS))
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#else // ESP_PLATFORM
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#include <assert.h>
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#define MULTI_HEAP_PRINTF printf
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#define MULTI_HEAP_STDERR_PRINTF(MSG, ...) fprintf(stderr, MSG, __VA_ARGS__)
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#define MULTI_HEAP_LOCK(PLOCK)
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#define MULTI_HEAP_UNLOCK(PLOCK)
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#define MULTI_HEAP_ASSERT(CONDITION, ADDRESS) assert((CONDITION) && "Heap corrupt")
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#endif
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