utils.h

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/*
 * Copyright (c) 2022 Intel Corporation
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_INCLUDE_LINKER_UTILS_H_
#define ZEPHYR_INCLUDE_LINKER_UTILS_H_
 
#include <stdbool.h>
 
static inline bool linker_is_in_rodata(const void *addr)
{
#if defined(CONFIG_LINKER_USE_PINNED_SECTION)
        extern const char lnkr_pinned_rodata_start[];
        extern const char lnkr_pinned_rodata_end[];
 
        if (((const char *)addr >= (const char *)lnkr_pinned_rodata_start) &&
            ((const char *)addr < (const char *)lnkr_pinned_rodata_end)) {
                return true;
        }
#endif
 
#if defined(CONFIG_ARM) || defined(CONFIG_ARC) || defined(CONFIG_X86) || \
        defined(CONFIG_ARM64) || defined(CONFIG_NIOS2) || \
        defined(CONFIG_RISCV) || defined(CONFIG_SPARC) || \
        defined(CONFIG_MIPS) || defined(CONFIG_XTENSA)
        extern char __rodata_region_start[];
        extern char __rodata_region_end[];
        #define RO_START __rodata_region_start
        #define RO_END __rodata_region_end
#else
        #define RO_START 0
        #define RO_END 0
#endif
 
        return (((const char *)addr >= (const char *)RO_START) &&
                ((const char *)addr < (const char *)RO_END));
 
        #undef RO_START
        #undef RO_END
}
 
#endif /* ZEPHYR_INCLUDE_LINKER_UTILS_H_ */