linux-kernel - [PATCH v1 09/23] perf dwarf-regs: Add util/dwarf-regs-arch for consistency with perf-regs

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Message-ID: <20260117052849.2205545-10-irogers@google.com>
Date: Fri, 16 Jan 2026 21:28:35 -0800
From: Ian Rogers <irogers@...gle.com>
To: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>, 
	Arnaldo Carvalho de Melo <acme@...nel.org>, Namhyung Kim <namhyung@...nel.org>, Jiri Olsa <jolsa@...nel.org>, 
	Ian Rogers <irogers@...gle.com>, Adrian Hunter <adrian.hunter@...el.com>, 
	James Clark <james.clark@...aro.org>, John Garry <john.g.garry@...cle.com>, 
	Will Deacon <will@...nel.org>, Leo Yan <leo.yan@...ux.dev>, Guo Ren <guoren@...nel.org>, 
	Paul Walmsley <pjw@...nel.org>, Palmer Dabbelt <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>, 
	Alexandre Ghiti <alex@...ti.fr>, Shimin Guo <shimin.guo@...dio.com>, 
	Athira Rajeev <atrajeev@...ux.ibm.com>, Stephen Brennan <stephen.s.brennan@...cle.com>, 
	Howard Chu <howardchu95@...il.com>, Thomas Falcon <thomas.falcon@...el.com>, 
	Andi Kleen <ak@...ux.intel.com>, "Dr. David Alan Gilbert" <linux@...blig.org>, 
	Dmitry Vyukov <dvyukov@...gle.com>, 
	"Krzysztof Łopatowski" <krzysztof.m.lopatowski@...il.com>, Chun-Tse Shao <ctshao@...gle.com>, 
	Aditya Bodkhe <aditya.b1@...ux.ibm.com>, Haibo Xu <haibo1.xu@...el.com>, 
	Sergei Trofimovich <slyich@...il.com>, linux-kernel@...r.kernel.org, 
	linux-perf-users@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
	linux-csky@...r.kernel.org, linux-riscv@...ts.infradead.org, 
	Mark Wielaard <mark@...mp.org>
Subject: [PATCH v1 09/23] perf dwarf-regs: Add util/dwarf-regs-arch for
 consistency with perf-regs

perf_regs.h has cross architecture functions for operating with the
differing perf register constants. dwarf-regs.h is similar but for
cross architecture dwarf notions of registers. For consistency move
the arch parts of dwarf-regs out of util and into its own directory.

Signed-off-by: Ian Rogers <irogers@...gle.com>
---
 tools/perf/util/Build                                      | 4 +---
 tools/perf/util/dwarf-regs-arch/Build                      | 3 +++
 tools/perf/util/{ => dwarf-regs-arch}/dwarf-regs-csky.c    | 0
 tools/perf/util/{ => dwarf-regs-arch}/dwarf-regs-powerpc.c | 0
 tools/perf/util/{ => dwarf-regs-arch}/dwarf-regs-x86.c     | 0
 5 files changed, 4 insertions(+), 3 deletions(-)
 create mode 100644 tools/perf/util/dwarf-regs-arch/Build
 rename tools/perf/util/{ => dwarf-regs-arch}/dwarf-regs-csky.c (100%)
 rename tools/perf/util/{ => dwarf-regs-arch}/dwarf-regs-powerpc.c (100%)
 rename tools/perf/util/{ => dwarf-regs-arch}/dwarf-regs-x86.c (100%)

diff --git a/tools/perf/util/Build b/tools/perf/util/Build
index 5efec73be474..3cb1edd263cf 100644
--- a/tools/perf/util/Build
+++ b/tools/perf/util/Build
@@ -219,9 +219,7 @@ endif
 perf-util-$(CONFIG_LIBDW) += probe-finder.o
 perf-util-$(CONFIG_LIBDW) += dwarf-aux.o
 perf-util-$(CONFIG_LIBDW) += dwarf-regs.o
-perf-util-$(CONFIG_LIBDW) += dwarf-regs-csky.o
-perf-util-$(CONFIG_LIBDW) += dwarf-regs-powerpc.o
-perf-util-$(CONFIG_LIBDW) += dwarf-regs-x86.o
+perf-util-$(CONFIG_LIBDW) += dwarf-regs-arch/
 perf-util-$(CONFIG_LIBDW) += debuginfo.o
 perf-util-$(CONFIG_LIBDW) += annotate-data.o
 perf-util-$(CONFIG_LIBDW) += libdw.o
diff --git a/tools/perf/util/dwarf-regs-arch/Build b/tools/perf/util/dwarf-regs-arch/Build
new file mode 100644
index 000000000000..98bec0032606
--- /dev/null
+++ b/tools/perf/util/dwarf-regs-arch/Build
@@ -0,0 +1,3 @@
+perf-util-$(CONFIG_LIBDW) += dwarf-regs-csky.o
+perf-util-$(CONFIG_LIBDW) += dwarf-regs-powerpc.o
+perf-util-$(CONFIG_LIBDW) += dwarf-regs-x86.o
diff --git a/tools/perf/util/dwarf-regs-csky.c b/tools/perf/util/dwarf-regs-arch/dwarf-regs-csky.c
similarity index 100%
rename from tools/perf/util/dwarf-regs-csky.c
rename to tools/perf/util/dwarf-regs-arch/dwarf-regs-csky.c
diff --git a/tools/perf/util/dwarf-regs-powerpc.c b/tools/perf/util/dwarf-regs-arch/dwarf-regs-powerpc.c
similarity index 100%
rename from tools/perf/util/dwarf-regs-powerpc.c
rename to tools/perf/util/dwarf-regs-arch/dwarf-regs-powerpc.c
diff --git a/tools/perf/util/dwarf-regs-x86.c b/tools/perf/util/dwarf-regs-arch/dwarf-regs-x86.c
similarity index 100%
rename from tools/perf/util/dwarf-regs-x86.c
rename to tools/perf/util/dwarf-regs-arch/dwarf-regs-x86.c
-- 
2.52.0.457.g6b5491de43-goog