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