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- /* SPDX-License-Identifier: GPL-2.0-only */
- /*
- * Copyright (C) 2020 Western Digital Corporation or its affiliates.
- * Linker script variables to be set after section resolution, as
- * ld.lld does not like variables assigned before SECTIONS is processed.
- * Based on arch/arm64/kernel/image-vars.h
- */
- #ifndef __RISCV_KERNEL_IMAGE_VARS_H
- #define __RISCV_KERNEL_IMAGE_VARS_H
- #ifndef LINKER_SCRIPT
- #error This file should only be included in vmlinux.lds.S
- #endif
- #ifdef CONFIG_EFI
- /*
- * The EFI stub has its own symbol namespace prefixed by __efistub_, to
- * isolate it from the kernel proper. The following symbols are legally
- * accessed by the stub, so provide some aliases to make them accessible.
- * Only include data symbols here, or text symbols of functions that are
- * guaranteed to be safe when executed at another offset than they were
- * linked at. The routines below are all implemented in assembler in a
- * position independent manner
- */
- __efistub_memcmp = memcmp;
- __efistub_memchr = memchr;
- __efistub_strlen = strlen;
- __efistub_strnlen = strnlen;
- __efistub_strcmp = strcmp;
- __efistub_strncmp = strncmp;
- __efistub_strrchr = strrchr;
- __efistub__start = _start;
- __efistub__start_kernel = _start_kernel;
- __efistub__end = _end;
- __efistub__edata = _edata;
- __efistub_screen_info = screen_info;
- #endif
- #endif /* __RISCV_KERNEL_IMAGE_VARS_H */
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