linux/tools/perf/util/unwind-libdw.h
Ian Rogers 2becdd163a perf unwind-libdw: Wire up e_flags for CSKY
Wire up the e_flags now it can be read for a thread. The e_flags
encode the CSKY ABI level and this can impact which perf registers
need setting up for unwinding.

Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Aditya Bodkhe <aditya.b1@linux.ibm.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Athira Rajeev <atrajeev@linux.ibm.com>
Cc: Chun-Tse Shao <ctshao@google.com>
Cc: Guo Ren <guoren@kernel.org>
Cc: Howard Chu <howardchu95@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@linaro.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Sergei Trofimovich <slyich@gmail.com>
Cc: Shimin Guo <shimin.guo@skydio.com>
Cc: Stephen Brennan <stephen.s.brennan@oracle.com>
Cc: Swapnil Sapkal <swapnil.sapkal@amd.com>
Cc: Tianyou Li <tianyou.li@intel.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2026-01-26 18:31:27 -03:00

33 lines
628 B
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __PERF_UNWIND_LIBDW_H
#define __PERF_UNWIND_LIBDW_H
#include <stdint.h>
#include "unwind.h"
struct machine;
struct perf_sample;
struct thread;
#ifdef HAVE_LIBDW_SUPPORT
struct unwind_info {
void *dwfl;
struct perf_sample *sample;
struct machine *machine;
struct thread *thread;
unwind_entry_cb_t cb;
void *arg;
int max_stack;
int idx;
uint32_t e_flags;
uint16_t e_machine;
bool best_effort;
struct unwind_entry entries[];
};
void libdw__invalidate_dwfl(struct maps *maps, void *dwfl);
#endif
#endif /* __PERF_UNWIND_LIBDW_H */