components/newlib/abort.c (ESP-IDF)

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