1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Copyright (C) 2020 Western Digital Corporation or its affiliates. 4 * Linker script variables to be set after section resolution, as 5 * ld.lld does not like variables assigned before SECTIONS is processed. 6 * Based on arch/arm64/kernel/image-vars.h 7 */ 8 #ifndef __RISCV_KERNEL_IMAGE_VARS_H 9 #define __RISCV_KERNEL_IMAGE_VARS_H 10 11 #ifndef LINKER_SCRIPT 12 #error This file should only be included in vmlinux.lds.S 13 #endif 14 15 #ifdef CONFIG_EFI 16 17 /* 18 * The EFI stub has its own symbol namespace prefixed by __efistub_, to 19 * isolate it from the kernel proper. The following symbols are legally 20 * accessed by the stub, so provide some aliases to make them accessible. 21 * Only include data symbols here, or text symbols of functions that are 22 * guaranteed to be safe when executed at another offset than they were 23 * linked at. The routines below are all implemented in assembler in a 24 * position independent manner 25 */ 26 __efistub_memcmp = memcmp; 27 __efistub_memchr = memchr; 28 __efistub_strlen = strlen; 29 __efistub_strnlen = strnlen; 30 __efistub_strcmp = strcmp; 31 __efistub_strncmp = strncmp; 32 __efistub_strrchr = strrchr; 33 34 __efistub__start = _start; 35 __efistub__start_kernel = _start_kernel; 36 __efistub__end = _end; 37 __efistub__edata = _edata; 38 __efistub_screen_info = screen_info; 39 40 #endif 41 42 #endif /* __RISCV_KERNEL_IMAGE_VARS_H */ 43