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kallsyms_seqs_of_names[] records the symbol index sorted by address, the maximum value in kallsyms_seqs_of_names[] is the number of symbols. And 2^24 = 16777216, which means that three bytes are enough to store the index. This can help us save (1 * kallsyms_num_syms) bytes of memory. Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com> Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
31 lines
907 B
C
31 lines
907 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#ifndef LINUX_KALLSYMS_INTERNAL_H_
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#define LINUX_KALLSYMS_INTERNAL_H_
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#include <linux/types.h>
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/*
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* These will be re-linked against their real values
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* during the second link stage.
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*/
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extern const unsigned long kallsyms_addresses[] __weak;
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extern const int kallsyms_offsets[] __weak;
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extern const u8 kallsyms_names[] __weak;
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/*
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* Tell the compiler that the count isn't in the small data section if the arch
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* has one (eg: FRV).
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*/
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extern const unsigned int kallsyms_num_syms
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__section(".rodata") __attribute__((weak));
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extern const unsigned long kallsyms_relative_base
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__section(".rodata") __attribute__((weak));
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extern const char kallsyms_token_table[] __weak;
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extern const u16 kallsyms_token_index[] __weak;
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extern const unsigned int kallsyms_markers[] __weak;
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extern const u8 kallsyms_seqs_of_names[] __weak;
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#endif // LINUX_KALLSYMS_INTERNAL_H_
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