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8838abf626
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>
67 lines
1.5 KiB
C
67 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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#ifndef _PERF_DEBUGINFO_H
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#define _PERF_DEBUGINFO_H
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#include <errno.h>
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#include <linux/compiler.h>
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#ifdef HAVE_LIBDW_SUPPORT
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#include "dwarf-aux.h"
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/* debug information structure */
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struct debuginfo {
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Dwarf *dbg;
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Dwfl_Module *mod;
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Dwfl *dwfl;
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Dwarf_Addr bias;
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const unsigned char *build_id;
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};
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/* This also tries to open distro debuginfo */
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struct debuginfo *debuginfo__new(const char *path);
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void debuginfo__delete(struct debuginfo *dbg);
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int debuginfo__get_text_offset(struct debuginfo *dbg, Dwarf_Addr *offs,
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bool adjust_offset);
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#else /* HAVE_LIBDW_SUPPORT */
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/* dummy debug information structure */
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struct debuginfo {
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};
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static inline struct debuginfo *debuginfo__new(const char *path __maybe_unused)
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{
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return NULL;
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}
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static inline void debuginfo__delete(struct debuginfo *dbg __maybe_unused)
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{
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}
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typedef void Dwarf_Addr;
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static inline int debuginfo__get_text_offset(struct debuginfo *dbg __maybe_unused,
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Dwarf_Addr *offs __maybe_unused,
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bool adjust_offset __maybe_unused)
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{
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return -EINVAL;
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}
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#endif /* HAVE_LIBDW_SUPPORT */
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#ifdef HAVE_DEBUGINFOD_SUPPORT
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int get_source_from_debuginfod(const char *raw_path, const char *sbuild_id,
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char **new_path);
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#else /* HAVE_DEBUGINFOD_SUPPORT */
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static inline int get_source_from_debuginfod(const char *raw_path __maybe_unused,
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const char *sbuild_id __maybe_unused,
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char **new_path __maybe_unused)
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{
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return -ENOTSUP;
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}
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#endif /* HAVE_DEBUGINFOD_SUPPORT */
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#endif /* _PERF_DEBUGINFO_H */
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