2025-09-27 09:18:51 +02:00

55 lines
1.2 KiB
C

/*
* SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#pragma once
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
#define ESP_ELFSYM_EXPORT(_sym) { #_sym, (void*)&_sym }
#define ESP_ELFSYM_END { NULL, NULL }
/** @brief Function symbol description */
struct esp_elfsym {
const char *name; /*!< Function name */
const void *sym; /*!< Function pointer */
};
/**
* @brief Find symbol address by name.
*
* @param sym_name - Symbol name
*
* @return Symbol address if success or 0 if failed.
*/
uintptr_t elf_find_sym(const char *sym_name);
/**
* @brief Resolves a symbol name (e.g. function name) to its address.
*
* @param sym_name - Symbol name
* @return Symbol address if success or 0 if failed.
*/
typedef uintptr_t (*symbol_resolver)(const char *sym_name);
/**
* @brief Override the internal symbol resolver.
* The default resolver is based on static lists that are determined by KConfig.
* This override allows for an arbitrary implementation.
*
* @param resolver the resolver function
*/
void elf_set_symbol_resolver(symbol_resolver resolver);
#ifdef __cplusplus
}
#endif