tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#ifndef __UNWIND_H
2#define __UNWIND_H
3
4#include "types.h"
5#include "event.h"
6#include "symbol.h"
7
8struct unwind_entry {
9 struct map *map;
10 struct symbol *sym;
11 u64 ip;
12};
13
14typedef int (*unwind_entry_cb_t)(struct unwind_entry *entry, void *arg);
15
16#ifdef HAVE_DWARF_UNWIND_SUPPORT
17int unwind__get_entries(unwind_entry_cb_t cb, void *arg,
18 struct machine *machine,
19 struct thread *thread,
20 struct perf_sample *data, int max_stack);
21/* libunwind specific */
22#ifdef HAVE_LIBUNWIND_SUPPORT
23int libunwind__arch_reg_id(int regnum);
24#endif
25#else
26static inline int
27unwind__get_entries(unwind_entry_cb_t cb __maybe_unused,
28 void *arg __maybe_unused,
29 struct machine *machine __maybe_unused,
30 struct thread *thread __maybe_unused,
31 struct perf_sample *data __maybe_unused,
32 int max_stack __maybe_unused)
33{
34 return 0;
35}
36#endif /* HAVE_DWARF_UNWIND_SUPPORT */
37#endif /* __UNWIND_H */