ESP-IDF
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Outline
#include <string.h>
#include <sys/param.h>
#include "esp_system.h"
#include "soc/soc_memory_layout.h"
#include "esp_private/cache_utils.h"
#define ASSERT_STR
#define CACHE_DISABLED_STR
#define INST_LEN
#define INST_LEN
ra_to_str(char *)
__assert_func(const char *, int, const char *, const char *)
__assert(const char *, int, const char *)
newlib_include_assert_impl()
Files
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SourceVuESP-IDF Framework and ExamplesESP-IDFcomponents/newlib/assert.c
 
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/* * SPDX-FileCopyrightText: 2021-2024 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 *//* ... */ #include <string.h> #include <sys/param.h> #include "esp_system.h" #include "soc/soc_memory_layout.h" #include "esp_private/cache_utils.h"5 includes #define ASSERT_STR "assert failed: " #define CACHE_DISABLED_STR "<cached disabled>" #if __XTENSA__ #define INST_LEN 3 #elif __riscv #define INST_LEN 4 #endif static inline void ra_to_str(char *addr) { addr[0] = '0'; addr[1] = 'x'; itoa((uint32_t)(__builtin_return_address(0) - INST_LEN), addr + 2, 16); }{ ... } /* Overriding assert function so that whenever assert is called from critical section, * it does not lead to a crash of its own. *//* ... */ void __attribute__((noreturn)) __assert_func(const char *file, int line, const char *func, const char *expr) { #if CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_SILENT char buff[sizeof(ASSERT_STR) + 11 + 1] = ASSERT_STR; ra_to_str(&buff[sizeof(ASSERT_STR) - 1]); esp_system_abort(buff);/* ... */ #else char addr[11] = { 0 }; char buff[200]; char lbuf[5]; uint32_t rem_len = sizeof(buff) - 1; uint32_t off = 0; itoa(line, lbuf, 10); #if !CONFIG_APP_BUILD_TYPE_PURE_RAM_APP if (!spi_flash_cache_enabled()) #endif { if (esp_ptr_in_drom(file)) { file = CACHE_DISABLED_STR; }{...} if (esp_ptr_in_drom(func)) { ra_to_str(addr); func = addr; }{...} if (esp_ptr_in_drom(expr)) { expr = CACHE_DISABLED_STR; }{...} }{...} const char *str[] = {ASSERT_STR, func ? func : "\b", " ", file, ":", lbuf, " (", expr, ")"}; for (int i = 0; i < sizeof(str) / sizeof(str[0]); i++) { uint32_t len = strlen(str[i]); uint32_t cpy_len = MIN(len, rem_len); memcpy(buff + off, str[i], cpy_len); rem_len -= cpy_len; off += cpy_len; if (rem_len == 0) { break; }{...} }{...} buff[off] = '\0'; esp_system_abort(buff);/* ... */ #endif /* CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_SILENT */ }{ ... } void __attribute__((noreturn)) __assert(const char *file, int line, const char *failedexpr) { __assert_func(file, line, NULL, failedexpr); }{ ... } /* No-op function, used to force linker to include these changes */ void newlib_include_assert_impl(void) { }{ ... }
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