forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
83 lines
2.3 KiB
83 lines
2.3 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
|
#ifndef __UNWIND_H |
|
#define __UNWIND_H |
|
|
|
#include <linux/compiler.h> |
|
#include <linux/types.h> |
|
#include "util/map_symbol.h" |
|
|
|
struct maps; |
|
struct perf_sample; |
|
struct thread; |
|
|
|
struct unwind_entry { |
|
struct map_symbol ms; |
|
u64 ip; |
|
}; |
|
|
|
typedef int (*unwind_entry_cb_t)(struct unwind_entry *entry, void *arg); |
|
|
|
struct unwind_libunwind_ops { |
|
int (*prepare_access)(struct maps *maps); |
|
void (*flush_access)(struct maps *maps); |
|
void (*finish_access)(struct maps *maps); |
|
int (*get_entries)(unwind_entry_cb_t cb, void *arg, |
|
struct thread *thread, |
|
struct perf_sample *data, int max_stack); |
|
}; |
|
|
|
#ifdef HAVE_DWARF_UNWIND_SUPPORT |
|
int unwind__get_entries(unwind_entry_cb_t cb, void *arg, |
|
struct thread *thread, |
|
struct perf_sample *data, int max_stack); |
|
/* libunwind specific */ |
|
#ifdef HAVE_LIBUNWIND_SUPPORT |
|
#ifndef LIBUNWIND__ARCH_REG_ID |
|
#define LIBUNWIND__ARCH_REG_ID(regnum) libunwind__arch_reg_id(regnum) |
|
#endif |
|
|
|
#ifndef LIBUNWIND__ARCH_REG_SP |
|
#define LIBUNWIND__ARCH_REG_SP PERF_REG_SP |
|
#endif |
|
|
|
#ifndef LIBUNWIND__ARCH_REG_IP |
|
#define LIBUNWIND__ARCH_REG_IP PERF_REG_IP |
|
#endif |
|
|
|
int LIBUNWIND__ARCH_REG_ID(int regnum); |
|
int unwind__prepare_access(struct maps *maps, struct map *map, bool *initialized); |
|
void unwind__flush_access(struct maps *maps); |
|
void unwind__finish_access(struct maps *maps); |
|
#else |
|
static inline int unwind__prepare_access(struct maps *maps __maybe_unused, |
|
struct map *map __maybe_unused, |
|
bool *initialized __maybe_unused) |
|
{ |
|
return 0; |
|
} |
|
|
|
static inline void unwind__flush_access(struct maps *maps __maybe_unused) {} |
|
static inline void unwind__finish_access(struct maps *maps __maybe_unused) {} |
|
#endif |
|
#else |
|
static inline int |
|
unwind__get_entries(unwind_entry_cb_t cb __maybe_unused, |
|
void *arg __maybe_unused, |
|
struct thread *thread __maybe_unused, |
|
struct perf_sample *data __maybe_unused, |
|
int max_stack __maybe_unused) |
|
{ |
|
return 0; |
|
} |
|
|
|
static inline int unwind__prepare_access(struct maps *maps __maybe_unused, |
|
struct map *map __maybe_unused, |
|
bool *initialized __maybe_unused) |
|
{ |
|
return 0; |
|
} |
|
|
|
static inline void unwind__flush_access(struct maps *maps __maybe_unused) {} |
|
static inline void unwind__finish_access(struct maps *maps __maybe_unused) {} |
|
#endif /* HAVE_DWARF_UNWIND_SUPPORT */ |
|
#endif /* __UNWIND_H */
|
|
|