esp-idf/components/newlib/abort.c

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/*
* SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
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#include <stdint.h>
#include <string.h>
#include "esp_system.h"
#include "esp_cpu.h"
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#include "soc/soc_caps.h"
void __attribute__((noreturn)) abort(void)
{
#define ERR_STR1 "abort() was called at PC 0x"
#define ERR_STR2 " on core "
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_Static_assert(UINTPTR_MAX == 0xffffffff, "abort() assumes 32-bit addresses");
_Static_assert(SOC_CPU_CORES_NUM < 10, "abort() assumes number of cores is 1 to 9");
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char addr_buf[9] = { 0 };
char core_buf[2] = { 0 };
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char buf[sizeof(ERR_STR1) + sizeof(addr_buf) + sizeof(core_buf) + sizeof(ERR_STR2) + 1 /* null char */] = { 0 };
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itoa((uint32_t)(__builtin_return_address(0) - 3), addr_buf, 16);
itoa(esp_cpu_get_core_id(), core_buf, 10);
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const char *str[] = { ERR_STR1, addr_buf, ERR_STR2, core_buf };
char *dest = buf;
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for (size_t i = 0; i < sizeof(str) / sizeof(str[0]); i++) {
strcat(dest, str[i]);
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}
esp_system_abort(buf);
}