linux-stable/tools/perf/util/debuginfo.h
Ian Rogers 8838abf626 perf build: Rename HAVE_DWARF_SUPPORT to HAVE_LIBDW_SUPPORT
In Makefile.config for unwinding the name dwarf implies either
libunwind or libdw. Make it clearer that HAVE_DWARF_SUPPORT is really
just defined when libdw is present by renaming to HAVE_LIBDW_SUPPORT.

Signed-off-by: Ian Rogers <irogers@google.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Tested-by: Leo Yan <leo.yan@arm.com>
Cc: Anup Patel <anup@brainfault.org>
Cc: Yang Jihong <yangjihong@bytedance.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Shenlin Liang <liangshenlin@eswincomputing.com>
Cc: Nick Terrell <terrelln@fb.com>
Cc: Guilherme Amadio <amadio@gentoo.org>
Cc: Steinar H. Gunderson <sesse@google.com>
Cc: Changbin Du <changbin.du@huawei.com>
Cc: Alexander Lobakin <aleksander.lobakin@intel.com>
Cc: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Cc: Huacai Chen <chenhuacai@kernel.org>
Cc: Guo Ren <guoren@kernel.org>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Cc: Will Deacon <will@kernel.org>
Cc: James Clark <james.clark@linaro.org>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Chen Pei <cp0613@linux.alibaba.com>
Cc: Leo Yan <leo.yan@linux.dev>
Cc: Oliver Upton <oliver.upton@linux.dev>
Cc: Aditya Gupta <adityag@linux.ibm.com>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-riscv@lists.infradead.org
Cc: Bibo Mao <maobibo@loongson.cn>
Cc: John Garry <john.g.garry@oracle.com>
Cc: Atish Patra <atishp@rivosinc.com>
Cc: Dima Kogan <dima@secretsauce.net>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Dr. David Alan Gilbert <linux@treblig.org>
Cc: linux-csky@vger.kernel.org
Link: https://lore.kernel.org/r/20241017001354.56973-11-irogers@google.com
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
2024-10-18 10:17:40 -07:00

67 lines
1.5 KiB
C

/* SPDX-License-Identifier: GPL-2.0-or-later */
#ifndef _PERF_DEBUGINFO_H
#define _PERF_DEBUGINFO_H
#include <errno.h>
#include <linux/compiler.h>
#ifdef HAVE_LIBDW_SUPPORT
#include "dwarf-aux.h"
/* debug information structure */
struct debuginfo {
Dwarf *dbg;
Dwfl_Module *mod;
Dwfl *dwfl;
Dwarf_Addr bias;
const unsigned char *build_id;
};
/* This also tries to open distro debuginfo */
struct debuginfo *debuginfo__new(const char *path);
void debuginfo__delete(struct debuginfo *dbg);
int debuginfo__get_text_offset(struct debuginfo *dbg, Dwarf_Addr *offs,
bool adjust_offset);
#else /* HAVE_LIBDW_SUPPORT */
/* dummy debug information structure */
struct debuginfo {
};
static inline struct debuginfo *debuginfo__new(const char *path __maybe_unused)
{
return NULL;
}
static inline void debuginfo__delete(struct debuginfo *dbg __maybe_unused)
{
}
typedef void Dwarf_Addr;
static inline int debuginfo__get_text_offset(struct debuginfo *dbg __maybe_unused,
Dwarf_Addr *offs __maybe_unused,
bool adjust_offset __maybe_unused)
{
return -EINVAL;
}
#endif /* HAVE_LIBDW_SUPPORT */
#ifdef HAVE_DEBUGINFOD_SUPPORT
int get_source_from_debuginfod(const char *raw_path, const char *sbuild_id,
char **new_path);
#else /* HAVE_DEBUGINFOD_SUPPORT */
static inline int get_source_from_debuginfod(const char *raw_path __maybe_unused,
const char *sbuild_id __maybe_unused,
char **new_path __maybe_unused)
{
return -ENOTSUP;
}
#endif /* HAVE_DEBUGINFOD_SUPPORT */
#endif /* _PERF_DEBUGINFO_H */