38 lines
908 B
C
38 lines
908 B
C
#ifndef __UNWIND_H
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#define __UNWIND_H
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#include <linux/types.h>
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#include "event.h"
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#include "symbol.h"
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struct unwind_entry {
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struct map *map;
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struct symbol *sym;
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u64 ip;
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};
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typedef int (*unwind_entry_cb_t)(struct unwind_entry *entry, void *arg);
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#ifdef HAVE_DWARF_UNWIND_SUPPORT
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int unwind__get_entries(unwind_entry_cb_t cb, void *arg,
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struct machine *machine,
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struct thread *thread,
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struct perf_sample *data, int max_stack);
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/* libunwind specific */
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#ifdef HAVE_LIBUNWIND_SUPPORT
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int libunwind__arch_reg_id(int regnum);
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#endif
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#else
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static inline int
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unwind__get_entries(unwind_entry_cb_t cb __maybe_unused,
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void *arg __maybe_unused,
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struct machine *machine __maybe_unused,
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struct thread *thread __maybe_unused,
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struct perf_sample *data __maybe_unused,
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int max_stack __maybe_unused)
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{
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return 0;
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}
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#endif /* HAVE_DWARF_UNWIND_SUPPORT */
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#endif /* __UNWIND_H */
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