Files
OTGateway/src/CrashRecorder.h

132 lines
3.1 KiB
C++

#pragma once
#include <Arduino.h>
#ifdef ARDUINO_ARCH_ESP32
#include "esp_err.h"
#endif
#ifdef ARDUINO_ARCH_ESP8266
extern "C" {
#include <user_interface.h>
}
// https://github.com/espressif/ESP8266_RTOS_SDK/blob/master/components/esp8266/include/esp_attr.h
#define _COUNTER_STRINGIFY(COUNTER) #COUNTER
#define _SECTION_ATTR_IMPL(SECTION, COUNTER) __attribute__((section(SECTION "." _COUNTER_STRINGIFY(COUNTER))))
#define __NOINIT_ATTR _SECTION_ATTR_IMPL(".noinit", __COUNTER__)
#endif
namespace CrashRecorder {
typedef struct {
unsigned int data[32];
uint8_t length;
bool continues;
} backtrace_t;
typedef struct {
unsigned int data[4];
uint8_t length;
} epc_t;
typedef struct {
uint8_t core;
size_t heap;
unsigned long uptime;
} ext_t;
__NOINIT_ATTR volatile static backtrace_t backtrace;
__NOINIT_ATTR volatile static epc_t epc;
__NOINIT_ATTR volatile static ext_t ext;
uint8_t backtraceMaxLength = sizeof(backtrace.data) / sizeof(*backtrace.data);
uint8_t epcMaxLength = sizeof(epc.data) / sizeof(*epc.data);
#ifdef ARDUINO_ARCH_ESP32
void IRAM_ATTR panicHandler(arduino_panic_info_t *info, void *arg) {;
ext.core = info->core;
ext.heap = ESP.getFreeHeap();
ext.uptime = millis() / 1000u;
// Backtrace
backtrace.length = info->backtrace_len < backtraceMaxLength ? info->backtrace_len : backtraceMaxLength;
backtrace.continues = false;
for (unsigned int i = 0; i < info->backtrace_len; i++) {
if (i >= backtraceMaxLength) {
backtrace.continues = true;
break;
}
backtrace.data[i] = info->backtrace[i];
}
// EPC
if (info->pc) {
epc.data[0] = (unsigned int) info->pc;
epc.length = 1;
} else {
epc.length = 0;
}
}
#endif
void init() {
if (backtrace.length > backtraceMaxLength) {
backtrace.length = 0;
}
if (epc.length > epcMaxLength) {
epc.length = 0;
}
#ifdef ARDUINO_ARCH_ESP32
set_arduino_panic_handler(panicHandler, nullptr);
#endif
}
}
#ifdef ARDUINO_ARCH_ESP8266
extern "C" void custom_crash_callback(struct rst_info *info, uint32_t stack, uint32_t stack_end) {
uint8_t _length = 0;
CrashRecorder::ext.core = 0;
CrashRecorder::ext.heap = ESP.getFreeHeap();
CrashRecorder::ext.uptime = millis() / 1000u;
// Backtrace
CrashRecorder::backtrace.continues = false;
uint32_t value;
for (uint32_t i = stack; i < stack_end; i += 4) {
value = *((uint32_t*) i);
// keep only addresses in code area
if ((value >= 0x40000000) && (value < 0x40300000)) {
if (_length >= CrashRecorder::backtraceMaxLength) {
CrashRecorder::backtrace.continues = true;
break;
}
CrashRecorder::backtrace.data[_length++] = value;
}
}
CrashRecorder::backtrace.length = _length;
// EPC
_length = 0;
if (info->epc1 > 0) {
CrashRecorder::epc.data[_length++] = info->epc1;
}
if (info->epc2 > 0) {
CrashRecorder::epc.data[_length++] = info->epc2;
}
if (info->epc3 > 0) {
CrashRecorder::epc.data[_length++] = info->epc3;
}
CrashRecorder::epc.length = _length;
}
#endif