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26 lines
564 B
26 lines
564 B
3 years ago
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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __TRACE_HELPER_H
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#define __TRACE_HELPER_H
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#include <bpf/libbpf.h>
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struct ksym {
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long addr;
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char *name;
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};
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int load_kallsyms(void);
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struct ksym *ksym_search(long key);
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long ksym_get_addr(const char *name);
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/* open kallsyms and find addresses on the fly, faster than load + search. */
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int kallsyms_find(const char *sym, unsigned long long *addr);
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void read_trace_pipe(void);
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ssize_t get_uprobe_offset(const void *addr, ssize_t base);
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ssize_t get_base_addr(void);
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ssize_t get_rel_offset(uintptr_t addr);
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#endif
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