| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | #ifndef _LINUX_EXTABLE_H |
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| 3 | #define _LINUX_EXTABLE_H |
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| 4 | |
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| 5 | #include <linux/stddef.h> /* for NULL */ |
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| 6 | #include <linux/types.h> |
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| 7 | |
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| 8 | struct module; |
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| 9 | struct exception_table_entry; |
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| 10 | |
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| 11 | const struct exception_table_entry * |
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| 12 | search_extable(const struct exception_table_entry *base, |
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| 13 | const size_t num, |
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| 14 | unsigned long value); |
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| 15 | void sort_extable(struct exception_table_entry *start, |
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| 16 | struct exception_table_entry *finish); |
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| 17 | void sort_main_extable(void); |
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| 18 | void trim_init_extable(struct module *m); |
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| 19 | |
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| 20 | /* Given an address, look for it in the exception tables */ |
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| 21 | const struct exception_table_entry *search_exception_tables(unsigned long add); |
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| 22 | const struct exception_table_entry * |
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| 23 | search_kernel_exception_table(unsigned long addr); |
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| 24 | |
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| 25 | #ifdef CONFIG_MODULES |
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| 26 | /* For extable.c to search modules' exception tables. */ |
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| 27 | const struct exception_table_entry *search_module_extables(unsigned long addr); |
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| 28 | #else |
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| 29 | static inline const struct exception_table_entry * |
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| 30 | search_module_extables(unsigned long addr) |
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| 31 | { |
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| 32 | return NULL; |
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| 33 | } |
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| 34 | #endif /*CONFIG_MODULES*/ |
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| 35 | |
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| 36 | #ifdef CONFIG_BPF_JIT |
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| 37 | const struct exception_table_entry *search_bpf_extables(unsigned long addr); |
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| 38 | #else |
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| 39 | static inline const struct exception_table_entry * |
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| 40 | search_bpf_extables(unsigned long addr) |
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| 41 | { |
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| 42 | return NULL; |
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| 43 | } |
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| 44 | #endif |
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| 45 | |
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| 46 | #endif /* _LINUX_EXTABLE_H */ |
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| 47 | |
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