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https://github.com/dynup/kpatch
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aa2907df29
We use kelf_base->symbols to find a unique matching FILE+locals combination when we call lookup_open(). If we can't find one matching or we find more than one matching, we error out. If we find a unique one, we setup table->local_syms in lookup_open(), so later lookup_local_symbol() could do its lookup based on table->local_syms. Fixes #604. Suggested-by: Josh Poimboeuf <jpoimboe@redhat.com> Signed-off-by: Zhou Chengming <zhouchengming1@huawei.com>
28 lines
786 B
C
28 lines
786 B
C
#ifndef _LOOKUP_H_
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#define _LOOKUP_H_
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struct lookup_table;
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struct lookup_result {
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unsigned long value;
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unsigned long size;
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unsigned long pos;
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};
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struct sym_compare_type {
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char *name;
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int type;
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};
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struct lookup_table *lookup_open(char *obj_path, char *symvers_path,
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char *hint, struct sym_compare_type *locals);
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void lookup_close(struct lookup_table *table);
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int lookup_local_symbol(struct lookup_table *table, char *name,
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struct lookup_result *result);
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int lookup_global_symbol(struct lookup_table *table, char *name,
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struct lookup_result *result);
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int lookup_is_exported_symbol(struct lookup_table *table, char *name);
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char *lookup_exported_symbol_objname(struct lookup_table *table, char *name);
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#endif /* _LOOKUP_H_ */
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