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Message-Id: <20241017001354.56973-5-irogers@google.com>
Date: Wed, 16 Oct 2024 17:13:47 -0700
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>,
Mark Rutland <mark.rutland@....com>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>, Jiri Olsa <jolsa@...nel.org>,
Ian Rogers <irogers@...gle.com>, Adrian Hunter <adrian.hunter@...el.com>,
Kan Liang <kan.liang@...ux.intel.com>, John Garry <john.g.garry@...cle.com>,
Will Deacon <will@...nel.org>, James Clark <james.clark@...aro.org>,
Mike Leach <mike.leach@...aro.org>, Leo Yan <leo.yan@...ux.dev>, Guo Ren <guoren@...nel.org>,
Paul Walmsley <paul.walmsley@...ive.com>, Palmer Dabbelt <palmer@...belt.com>,
Albert Ou <aou@...s.berkeley.edu>, Nick Terrell <terrelln@...com>,
"Masami Hiramatsu (Google)" <mhiramat@...nel.org>, Changbin Du <changbin.du@...wei.com>,
Guilherme Amadio <amadio@...too.org>, Yang Jihong <yangjihong@...edance.com>,
Aditya Gupta <adityag@...ux.ibm.com>, Athira Rajeev <atrajeev@...ux.vnet.ibm.com>,
Masahiro Yamada <masahiroy@...nel.org>, Bibo Mao <maobibo@...ngson.cn>,
Huacai Chen <chenhuacai@...nel.org>, Kajol Jain <kjain@...ux.ibm.com>,
Atish Patra <atishp@...osinc.com>, Shenlin Liang <liangshenlin@...incomputing.com>,
Anup Patel <anup@...infault.org>, Oliver Upton <oliver.upton@...ux.dev>,
"Steinar H. Gunderson" <sesse@...gle.com>, "Dr. David Alan Gilbert" <linux@...blig.org>,
Chen Pei <cp0613@...ux.alibaba.com>, Dima Kogan <dima@...retsauce.net>,
Przemek Kitszel <przemyslaw.kitszel@...el.com>, "David S. Miller" <davem@...emloft.net>,
Alexander Lobakin <aleksander.lobakin@...el.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
Subject: [PATCH v3 04/11] perf build: Rename test-dwarf to test-libdw
Be more intention revealing that the dwarf test is actually testing
for libdw support.
Signed-off-by: Ian Rogers <irogers@...gle.com>
---
tools/build/Makefile.feature | 6 +++---
tools/build/feature/Makefile | 16 ++++++++--------
tools/build/feature/test-all.c | 6 +++---
.../build/feature/{test-dwarf.c => test-libdw.c} | 0
tools/perf/Makefile.config | 6 +++---
5 files changed, 17 insertions(+), 17 deletions(-)
rename tools/build/feature/{test-dwarf.c => test-libdw.c} (100%)
diff --git a/tools/build/Makefile.feature b/tools/build/Makefile.feature
index ffd117135094..6025810cc346 100644
--- a/tools/build/Makefile.feature
+++ b/tools/build/Makefile.feature
@@ -30,7 +30,7 @@ endef
#
FEATURE_TESTS_BASIC := \
backtrace \
- dwarf \
+ libdw \
dwarf_getlocations \
dwarf_getcfi \
eventfd \
@@ -120,7 +120,7 @@ ifeq ($(FEATURE_TESTS),all)
endif
FEATURE_DISPLAY ?= \
- dwarf \
+ libdw \
dwarf_getlocations \
glibc \
libbfd \
@@ -233,7 +233,7 @@ endef
#
# generates feature value assignment for name, like:
-# $(call feature_assign,dwarf) == feature-dwarf=1
+# $(call feature_assign,libdw) == feature-libdw=1
#
feature_assign = feature-$(1)=$(feature-$(1))
diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile
index 1658596188bf..7a1c028ce40b 100644
--- a/tools/build/feature/Makefile
+++ b/tools/build/feature/Makefile
@@ -5,7 +5,7 @@ FILES= \
test-all.bin \
test-backtrace.bin \
test-bionic.bin \
- test-dwarf.bin \
+ test-libdw.bin \
test-dwarf_getlocations.bin \
test-dwarf_getcfi.bin \
test-eventfd.bin \
@@ -168,9 +168,9 @@ $(OUTPUT)test-libopencsd.bin:
$(BUILD) # -lopencsd_c_api -lopencsd provided by
# $(FEATURE_CHECK_LDFLAGS-libopencsd)
-DWARFLIBS := -ldw
+DWLIBS := -ldw
ifeq ($(findstring -static,${LDFLAGS}),-static)
- DWARFLIBS += -lelf -lz -llzma -lbz2 -lzstd
+ DWLIBS += -lelf -lz -llzma -lbz2 -lzstd
LIBDW_VERSION := $(shell $(PKG_CONFIG) --modversion libdw).0.0
LIBDW_VERSION_1 := $(word 1, $(subst ., ,$(LIBDW_VERSION)))
@@ -179,21 +179,21 @@ ifeq ($(findstring -static,${LDFLAGS}),-static)
# Elfutils merged libebl.a into libdw.a starting from version 0.177,
# Link libebl.a only if libdw is older than this version.
ifeq ($(shell test $(LIBDW_VERSION_2) -lt 177; echo $$?),0)
- DWARFLIBS += -lebl
+ DWLIBS += -lebl
endif
# Must put -ldl after -lebl for dependency
DWARFLIBS += -ldl
endif
-$(OUTPUT)test-dwarf.bin:
- $(BUILD) $(DWARFLIBS)
+$(OUTPUT)test-libdw.bin:
+ $(BUILD) $(DWLIBS)
$(OUTPUT)test-dwarf_getlocations.bin:
- $(BUILD) $(DWARFLIBS)
+ $(BUILD) $(DWLIBS)
$(OUTPUT)test-dwarf_getcfi.bin:
- $(BUILD) $(DWARFLIBS)
+ $(BUILD) $(DWLIBS)
$(OUTPUT)test-libelf-getphdrnum.bin:
$(BUILD) -lelf
diff --git a/tools/build/feature/test-all.c b/tools/build/feature/test-all.c
index 6f4bf386a3b5..d60e072b6eca 100644
--- a/tools/build/feature/test-all.c
+++ b/tools/build/feature/test-all.c
@@ -38,8 +38,8 @@
# include "test-glibc.c"
#undef main
-#define main main_test_dwarf
-# include "test-dwarf.c"
+#define main main_test_libdw
+# include "test-libdw.c"
#undef main
#define main main_test_dwarf_getlocations
@@ -187,7 +187,7 @@ int main(int argc, char *argv[])
main_test_get_current_dir_name();
main_test_gettid();
main_test_glibc();
- main_test_dwarf();
+ main_test_libdw();
main_test_dwarf_getlocations();
main_test_eventfd();
main_test_libelf_getphdrnum();
diff --git a/tools/build/feature/test-dwarf.c b/tools/build/feature/test-libdw.c
similarity index 100%
rename from tools/build/feature/test-dwarf.c
rename to tools/build/feature/test-libdw.c
diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index dd5468b8b5de..f1e24c4ae123 100644
--- a/tools/perf/Makefile.config
+++ b/tools/perf/Makefile.config
@@ -162,8 +162,8 @@ ifeq ($(findstring -static,${LDFLAGS}),-static)
# Must put -ldl after -lebl for dependency
DWARFLIBS += -ldl
endif
-FEATURE_CHECK_CFLAGS-dwarf := $(LIBDW_CFLAGS)
-FEATURE_CHECK_LDFLAGS-dwarf := $(LIBDW_LDFLAGS) $(DWARFLIBS)
+FEATURE_CHECK_CFLAGS-libdw := $(LIBDW_CFLAGS)
+FEATURE_CHECK_LDFLAGS-libdw := $(LIBDW_LDFLAGS) $(DWARFLIBS)
FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
FEATURE_CHECK_CFLAGS-dwarf_getlocations := $(LIBDW_CFLAGS)
@@ -473,7 +473,7 @@ else
$(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR)
endif
endif
- ifneq ($(feature-dwarf), 1)
+ ifneq ($(feature-libdw), 1)
ifndef NO_LIBDW
$(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev)
NO_LIBDW := 1
--
2.47.0.105.g07ac214952-goog
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