From nobody Fri Oct 3 23:06:21 2025 Received: from mail-pj1-f74.google.com (mail-pj1-f74.google.com [209.85.216.74]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CB2182147E3 for ; Sat, 23 Aug 2025 00:32:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.74 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755909183; cv=none; b=ifXvCRO9Rm/ZeJluypny05LeuOx8qf+MQZrKHMfmXyFsPfoFEfksB6ZSRim3MaAt/7vYBjU09+l62VeNpxIwGl6zpSJJkt3YN7x/N2+z7YBNnPgqoYjoG5aSZ3dl0kxF9TRLdbENqnZ9mpbIzl9apFJElqq0Lmq5b82PrMUUysc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755909183; c=relaxed/simple; bh=g7UHYRQzT6TJ0K4ws4E7uvCzyWUH1uer7yeVDKc62TM=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Content-Type; b=pm6jD99itLYOgGdNtGbIhZPjX1GjScOtVqW/No8z0uGQdwyQwSoujOroM7yZZI113lW2gbmYZKDBPx3ZgITJUKUfED6aFns1W/EWFDPQP4CI/4H17/lx4R6zbWRC6JUkIJLG4Nsa5zTfFz6TY672vGM0oJ9GahL7uEz3/a8D838= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--irogers.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=17UiCe2H; arc=none smtp.client-ip=209.85.216.74 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--irogers.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="17UiCe2H" Received: by mail-pj1-f74.google.com with SMTP id 98e67ed59e1d1-32326e72dfbso4051542a91.3 for ; Fri, 22 Aug 2025 17:32:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1755909179; x=1756513979; darn=vger.kernel.org; h=to:from:subject:message-id:references:mime-version:in-reply-to:date :from:to:cc:subject:date:message-id:reply-to; bh=pr+YzJEOiZBk1DqLtdd5jyeBvbBwpDDHugVBvTRT2R0=; b=17UiCe2HXbzo20ITKfQ1h6fsQxefRhXmazksNKB8mEaYa0mIUKTP4DSCTS2eqKOYQO cMWcpQZTMgM+PvT9DH/GzVMWs0rYzZFkJGis1w7w2/QqJBOnzRgTnct9aoHW8GWEmBFs cbv3itNElabw1i2l/+ikPIrg9MqnSHDAsBaQiopxXs4g3VfZ/HPkSWTrgf55hYESWK42 77OsXvF59yUMAoiLXRnV3IphSthz0kyfpLyPRC0WYfs8FPxpaIj2BpM+4oh0wODj2L3z 7BhsGRPQc+sQeVfSjV0VnqxlRNV1OSHUm+eRVKq7Te/NKZuzm/mTxwKUIrvzqcFboU/D JWZA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1755909179; x=1756513979; h=to:from:subject:message-id:references:mime-version:in-reply-to:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=pr+YzJEOiZBk1DqLtdd5jyeBvbBwpDDHugVBvTRT2R0=; b=P2RSu5JArWApXnQR+KmFsu93T/CkxMBokP8gHt+MMH2TSu/Hmb+GsQ+Fev3WXr5OcI Ven/gPV1yzXk5NvpoIZUqD6A3q6QOnHuL+YuF1NqAWV9KjekpnRgAw0RBdQzoKTY2PE2 qt+nU78NQlOW70L8Nog8WH1Tf/l+thw6lDEQ+/v/VD5fy+1QRgeoi+P6nhv36TIQNvL7 ZO67UtvXH1onwFK3zbADm5Zmm5mOSHyZ9/0J4xVjBtdJqKLgv+eY6/NGMXfRb708Em2R xf902bj1jqfOUkEcZH+I6Y+PsjmJE1aZqieIbmBqBjX4ZVnd2Zz3tr4DrKxhFgyXsnBG zaeA== X-Forwarded-Encrypted: i=1; AJvYcCXZu3lejI+NBxsiZyjwzxFivTXYzaxbH2kxSur55l2w0YeSrl6G+FbIMMPVIrlxygnOSYdOSf63rHQ+oZ0=@vger.kernel.org X-Gm-Message-State: AOJu0YwXE1fbQHZMfr/DxGOWG/uhsAmpdhHQS7JZeAuF+ZOBhcf5qzVa z8Fu/6ApXO8ghPXtuC9cXOmtiECZXfB10PpWoqdqJ3TIXvb2S6k+WscaB5sm1pRhtKxIHaxYFgo FMcVQY63XZQ== X-Google-Smtp-Source: AGHT+IEbSD5mmkspsxqOZVgLSCc0+j+3G8FLHaIvccK+/ream/4V/PzNJvjxA86FmsXlTbxlRKOojRGqZbFG X-Received: from pjbdy6.prod.google.com ([2002:a17:90b:6c6:b0:31f:3227:1724]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a17:90b:56c3:b0:321:c0e3:a8ce with SMTP id 98e67ed59e1d1-3251774b8edmr6687634a91.22.1755909179167; Fri, 22 Aug 2025 17:32:59 -0700 (PDT) Date: Fri, 22 Aug 2025 17:32:10 -0700 In-Reply-To: <20250823003216.733941-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250823003216.733941-1-irogers@google.com> X-Mailer: git-send-email 2.51.0.rc2.233.g662b1ed5c5-goog Message-ID: <20250823003216.733941-15-irogers@google.com> Subject: [PATCH v5 14/19] perf build: Remove libiberty support From: Ian Rogers To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , Kan Liang , Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt , Aditya Gupta , "Steinar H. Gunderson" , Charlie Jenkins , Changbin Du , "Masami Hiramatsu (Google)" , James Clark , Kajol Jain , Athira Rajeev , Li Huafei , Dmitry Vyukov , Andi Kleen , Chaitanya S Prakash , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, llvm@lists.linux.dev, Song Liu , bpf@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" libiberty is license incompatible with perf and building requires the BUILD_NONDISTRO=3D1 build flag. libiberty is used for HAVE_CPLUS_DEMANGLE_SUPPORT. Remove the code to simplify the code base as it can't be distributed. Remove the BUILD_NONDISTRO build flag and test as they no longer enable/disable support. Signed-off-by: Ian Rogers --- tools/perf/Makefile.config | 12 ------------ tools/perf/Makefile.perf | 11 ++++------- tools/perf/tests/make | 2 -- tools/perf/util/demangle-cxx.cpp | 13 +------------ tools/perf/util/symbol-elf.c | 7 ------- tools/perf/util/symbol.c | 6 ------ 6 files changed, 5 insertions(+), 46 deletions(-) diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config index b63c952b10ce..7bc9985264a7 100644 --- a/tools/perf/Makefile.config +++ b/tools/perf/Makefile.config @@ -954,18 +954,6 @@ ifndef NO_DEMANGLE CXXFLAGS +=3D -DHAVE_CXA_DEMANGLE_SUPPORT $(call detected,CONFIG_CXX_DEMANGLE) endif - ifdef BUILD_NONDISTRO - ifeq ($(filter -liberty,$(EXTLIBS)),) - $(call feature_check,cplus-demangle) - ifeq ($(feature-cplus-demangle), 1) - EXTLIBS +=3D -liberty - endif - endif - ifneq ($(filter -liberty,$(EXTLIBS)),) - CFLAGS +=3D -DHAVE_CPLUS_DEMANGLE_SUPPORT - CXXFLAGS +=3D -DHAVE_CPLUS_DEMANGLE_SUPPORT - endif - endif endif =20 ifndef NO_LZMA diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf index 116c935c06f7..727b7412aab0 100644 --- a/tools/perf/Makefile.perf +++ b/tools/perf/Makefile.perf @@ -120,9 +120,6 @@ include ../scripts/utilities.mak # # Set BUILD_BPF_SKEL to 0 to override BUILD_BPF_SKEL and not build BPF ske= letons # -# Define BUILD_NONDISTRO to enable building an linking against libbfd and -# libiberty distribution license incompatible libraries. -# # Define EXTRA_TESTS to enable building extra tests useful mainly to perf # developers, such as: # x86 instruction decoder - new instructions test @@ -297,10 +294,10 @@ LIBSYMBOL_DIR =3D $(srctree)/tools/lib/symbol/ LIBPERF_DIR =3D $(srctree)/tools/lib/perf/ DOC_DIR =3D $(srctree)/tools/perf/Documentation/ =20 -# Set FEATURE_TESTS to 'all' so all possible feature checkers are executed. -# Without this setting the output feature dump file misses some features, = for -# example, liberty. Select all checkers so we won't get an incomplete feat= ure -# dump file. +# Set FEATURE_TESTS to 'all' so all possible feature checkers are +# executed. Without this setting the output feature dump file misses +# some features. Select all checkers so we won't get an incomplete +# feature dump file. ifeq ($(config),1) ifdef MAKECMDGOALS ifeq ($(filter feature-dump,$(MAKECMDGOALS)),feature-dump) diff --git a/tools/perf/tests/make b/tools/perf/tests/make index 301cda63a27f..112423076e1c 100644 --- a/tools/perf/tests/make +++ b/tools/perf/tests/make @@ -68,7 +68,6 @@ python_perf_so :=3D $(shell $(MAKE) python_perf_target|gr= ep "Target is:"|awk '{pri make_clean_all :=3D clean all make_python_perf_so :=3D $(python_perf_so) make_debug :=3D DEBUG=3D1 -make_nondistro :=3D BUILD_NONDISTRO=3D1 make_extra_tests :=3D EXTRA_TESTS=3D1 make_jevents_all :=3D JEVENTS_ARCH=3Dall make_no_bpf_skel :=3D BUILD_BPF_SKEL=3D0 @@ -139,7 +138,6 @@ MAKE_F :=3D $(MAKE) -f $(MK) endif run +=3D make_python_perf_so run +=3D make_debug -run +=3D make_nondistro run +=3D make_extra_tests run +=3D make_jevents_all run +=3D make_no_bpf_skel diff --git a/tools/perf/util/demangle-cxx.cpp b/tools/perf/util/demangle-cx= x.cpp index bd657eb37efc..36801ea327a6 100644 --- a/tools/perf/util/demangle-cxx.cpp +++ b/tools/perf/util/demangle-cxx.cpp @@ -8,13 +8,6 @@ #include #endif =20 -#if defined(HAVE_CPLUS_DEMANGLE_SUPPORT) -#ifndef DMGL_PARAMS -#define DMGL_PARAMS (1 << 0) /* Include function args */ -#define DMGL_ANSI (1 << 1) /* Include const, volatile, etc */ -#endif -#endif - /* * Demangle C++ function signature * @@ -24,11 +17,7 @@ extern "C" char *cxx_demangle_sym(const char *str, bool params __maybe_unused, bool modifiers __maybe_unused) { -#if defined(HAVE_CPLUS_DEMANGLE_SUPPORT) - int flags =3D (params ? DMGL_PARAMS : 0) | (modifiers ? DMGL_ANSI = : 0); - - return cplus_demangle(str, flags); -#elif defined(HAVE_CXA_DEMANGLE_SUPPORT) +#if defined(HAVE_CXA_DEMANGLE_SUPPORT) char *output; int status; =20 diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c index c6013f9fdc1a..b17386372882 100644 --- a/tools/perf/util/symbol-elf.c +++ b/tools/perf/util/symbol-elf.c @@ -24,13 +24,6 @@ #include #include =20 -#if defined(HAVE_CPLUS_DEMANGLE_SUPPORT) -#ifndef DMGL_PARAMS -#define DMGL_PARAMS (1 << 0) /* Include function args */ -#define DMGL_ANSI (1 << 1) /* Include const, volatile, etc */ -#endif -#endif - #ifndef EM_AARCH64 #define EM_AARCH64 183 /* ARM 64 bit */ #endif diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index c058d6a01509..0d1220e12205 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -2535,13 +2535,7 @@ static bool want_demangle(bool is_kernel_sym) char *cxx_demangle_sym(const char *str __maybe_unused, bool params __maybe= _unused, bool modifiers __maybe_unused) { -#if defined(HAVE_CPLUS_DEMANGLE_SUPPORT) - int flags =3D (params ? DMGL_PARAMS : 0) | (modifiers ? DMGL_ANSI : 0); - - return cplus_demangle(str, flags); -#else return NULL; -#endif } #endif /* !HAVE_CXA_DEMANGLE_SUPPORT */ =20 --=20 2.51.0.rc2.233.g662b1ed5c5-goog