From nobody Fri Dec 19 08:06:31 2025 Received: from mail-pl1-f202.google.com (mail-pl1-f202.google.com [209.85.214.202]) (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 3E13622B8C0 for ; Thu, 17 Apr 2025 23:08:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.202 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744931305; cv=none; b=FPq1ijIwG4BasmuRtrx8+Q7Q4j+5/WkDKYrwGQVURhuRrjXpsZNpFpF9e2vBMAbdE5uyG0TeTZZ3ov1sFgz8N+QGZRe/SYc5/yG3YXQhPXA5+A6EPNCGxxQ/v/JUYCQY7CAdouHgGZvp+ItYixrca4sGdJKQXiGdEKhDqtm0oO8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744931305; c=relaxed/simple; bh=WlrESCObcpLxlvArnGyAQPVRYZZxf1CeQ6rfvuHIhQI=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Content-Type; b=ColbxKD8J8h15z4J/xZlAqce6AodA0p3WnmriEvOELh1VU02faBOOJBCjtydWjWKdSLkTj1lDjjE+LKU4tnxsGL2XVIyF4dDVTS0+CHsTG/r4ZEkW/KX7E+31cW1aA7YAMzZHxyX82zc8QVzeN56Voz9mMuJppAehe0qNhih3d8= 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=CkQ3pIAD; arc=none smtp.client-ip=209.85.214.202 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="CkQ3pIAD" Received: by mail-pl1-f202.google.com with SMTP id d9443c01a7336-225429696a9so17499215ad.1 for ; Thu, 17 Apr 2025 16:08:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1744931303; x=1745536103; 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=T5IiGvkesbLwU2LRHglyxF2fGjepXBF/Pg+PTt606Ww=; b=CkQ3pIADn3jWQu7qkm9wU0o1PKJ0c0ztlV0p6bspOGprrFb/04SWyl2xIzPLzdZFyd 2nm6w9v/kovw7ePwrdlLWY32fFFabqtNY2HV07WXWVKwlcKhlrEd7HsUtuq0cOMnvWVP lDUd3Q9ECOSkfQqfwxCRzS4zb5cvJvKm78eBeTvAwYgtOMMbJju7EBcOkKp70pDTe3Do /z2LZaKRv/ANFeINMm7Dynr3FMTwOJxIKz58Ds5dGuJm5CQH0Ht1N1arYfZQHyDOjLNy l3OtZCweTwZ4bsTc3Hlqwt+ZPd6PqNx72VTssgN7f1WvKQGIiUVP/KY6FAuo+aC0dx45 1yRQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1744931303; x=1745536103; 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=T5IiGvkesbLwU2LRHglyxF2fGjepXBF/Pg+PTt606Ww=; b=dkwE8iFGsm77m/dHeVle5iEf0e61cL5bTSw4fuvMX5jhqgS1Rj4WRyitcxIS8b0NwV hUYFhMUB6MQU4abhsVskEjx8KZFs4Mkoz6znxLCC1uFQRgOnN8a8VA9s700ATCnoGBkx XseHiSXRkJ1oWpl2Ov0bYmKnWPCo4URZSaxdeItAboFfdWDbXmenwn9CsT1J+584RjHu QGichS7r4CAFo9qv/t8kFhEHzXxSOAk2H2Gc9kFqbghosWmmtXDhe8EI2O2TB+rFcgUl QySHreaFhvS4w9oDHKZbwnFQVgximv5MdcPjk/NfdkJyv05K7zbcdS+gmX1nVqFpzpLP OB1A== X-Forwarded-Encrypted: i=1; AJvYcCUznqwGXkOr2oLx1czUKfB530yXS4hYBqmd+w5xDlf2ObSCBtbnOM+udETXzEk1ubqaSxp1M4TflPCPI2M=@vger.kernel.org X-Gm-Message-State: AOJu0YxmeRKNR5Ea64m9VEPiEPvTRf/YaIfuZAe1IlAYc5/9IHbv7iuf 8H7IjkrtuLNQGb+Wq1xEMHGu+4ZKdGGszzx74qjEf7vQmRRtIp51qjpgAiWoi194GfK/1bdAaEj at5aFYg== X-Google-Smtp-Source: AGHT+IG5F2LOaTgg/mX1XvwpFVLktCGd2m3MhUHdYc74oU2szNJdxzhC36EWYALgHq+zFbkNF9kxs7APIa5a X-Received: from plhn17.prod.google.com ([2002:a17:903:1111:b0:21f:3ef1:c029]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a17:903:1a6b:b0:223:f408:c3e2 with SMTP id d9443c01a7336-22c5357f39cmr10467445ad.14.1744931303485; Thu, 17 Apr 2025 16:08:23 -0700 (PDT) Date: Thu, 17 Apr 2025 16:07:35 -0700 In-Reply-To: <20250417230740.86048-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250417230740.86048-1-irogers@google.com> X-Mailer: git-send-email 2.49.0.805.g082f7c87e0-goog Message-ID: <20250417230740.86048-15-irogers@google.com> Subject: [PATCH v4 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 | 13 ------------- 5 files changed, 5 insertions(+), 46 deletions(-) diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config index 870451929771..3ed047ffb4f5 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 fc65537d5821..58982d8d1014 100644 --- a/tools/perf/Makefile.perf +++ b/tools/perf/Makefile.perf @@ -123,9 +123,6 @@ 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 @@ -298,10 +295,10 @@ 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 44d76eacce49..4a1ed20bff7e 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 856819bbba59..6e0cf3d2aec5 100644 --- a/tools/perf/util/symbol-elf.c +++ b/tools/perf/util/symbol-elf.c @@ -28,13 +28,6 @@ #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 @@ -287,13 +280,7 @@ 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 2.49.0.805.g082f7c87e0-goog