From nobody Sun Feb 8 23:07:27 2026 Received: from mail-yb1-f202.google.com (mail-yb1-f202.google.com [209.85.219.202]) (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 299D41C5F14 for ; Wed, 22 Jan 2025 06:25:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.219.202 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737527146; cv=none; b=afLOyKV0wLbybjVpslpa5pcTWayzCu5TwePebHMZCCJHkDHqR7Mi5PIkbi7VGjlRxX8UkK3mH7iq9JD8ANqiwvw7+5qmpzujnaOQpUfOUi8KErYndqVRJi5pw4uaeGnUUUlPHoVMsGepvacUQP6p4mQ373C2oiCV2tjyXI811UA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737527146; c=relaxed/simple; bh=8YdK72iZdR17owyBQbQB5b4SQ6Ubblw50VG+kDokyoA=; h=Date:In-Reply-To:Message-Id:Mime-Version:References:Subject:From: To:Content-Type; b=lJnIK1JqCDYbFLieECN1GgdMchEXRKMJQZzpND/o7tQq5T70z2AB7O2Ah6UueEN1KDVJ18YqR2rvr7xUB9Cfty1LSKSRNVvCOoe39VA8tWIZSYzD1SPOjiY46O1OOiavUdTer3Xknyh1GS+eg8CPpCI9FokV4ItK3gu4lkkyScw= 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=werHbYdS; arc=none smtp.client-ip=209.85.219.202 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="werHbYdS" Received: by mail-yb1-f202.google.com with SMTP id 3f1490d57ef6-e399d4ef55cso16788045276.2 for ; Tue, 21 Jan 2025 22:25:44 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1737527144; x=1738131944; darn=vger.kernel.org; h=to:from:subject:references:mime-version:message-id:in-reply-to:date :from:to:cc:subject:date:message-id:reply-to; bh=ifrzx08xgFVVOvnuD1mbePIHPYzVbA5mBaTsSvEVMM8=; b=werHbYdSXVOXsor5ScmwWjCIKaKexRTdbCU2/5P0gwefctanX8ZYKQOfibNL3eSRxh oAoP/JG26pKWuCXNlZ1ItLDYgXcwNnM78bOSnPMoC2bvevJAVE9Zq2zDqkPGaj6XqTSQ Rw2WrQde+uf/SrhvwiMR45TDyPyi211Mya8NeSw01eYLe8dWVroTtJoLT93uQrHb8wry UqrRuHgG76X2R4iW740tXvRvR1K9rLguI/Do7eBHsxb7jIjqw2hbibkC3uxB50+orVsc U+t+HnQrcyoqpn9cZdDiQncBNDJbSSlXbAsbA9XAOQN4WaPTL6jS2rBv35Iz3f+Ep7BU u/3A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1737527144; x=1738131944; h=to:from:subject:references:mime-version:message-id:in-reply-to:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=ifrzx08xgFVVOvnuD1mbePIHPYzVbA5mBaTsSvEVMM8=; b=GZutjMbXWi0SoyFNpt1KonL1tpKBi542aYn6LAuSqpdgQggTAKDdoD3rL5YjpjsAbB a8xxe2xNG2U3cmfOEqP/cOJxSfpUM8K/IWTcJhsO1e3S0ECrWf8x9tdcBheFFwZ2n3tQ Xl1SJoU0wlsbM0Wj45p2Kx7RmoHyr4Ik+vKew+zEvoch+6qyqJZ8sNASR4owzfVwyrE6 ACeXxrpurGcPtGiFW2EwaY858R6FTkJiK5pvmHWcPf2Y0g4SX6MNbePStoxuJpTnZL4Z eeRg4m2Iv0xrIEfByU8y5QGE3/PbQlaaSq6yimMk4sEGl1Kye4GS8OfVxcgw7I52D7+O /l8g== X-Forwarded-Encrypted: i=1; AJvYcCVhGETcVCBV3o9OmRZ8czLVa0I6+z0HBkeSB/wZqv6UntQ77iAnK4M4FJGYP1xXWvP71L5CH/55whNDZ3Q=@vger.kernel.org X-Gm-Message-State: AOJu0Yw41YCF3zr8Tn770hKJ6QiK7QkiwpiHXUA71zTPQrpdIB1aROYt QbDPd/GsWEjfyatDxDRwC0hdTacul5Oav1FGzEPy0PJiUh68drYItKeEvpnYqfU0/A+Q4Fk8uwH 1lG7Fjw== X-Google-Smtp-Source: AGHT+IEUzUAkofeuVvAtDYMZZaTprBavOTBiC/v5bGjwuLSAhbX6+dOAwBIHHcktV1WdUK0vxmNle87xnyEI X-Received: from irogers.svl.corp.google.com ([2620:15c:2c5:11:807b:be79:d5c3:ee5c]) (user=irogers job=sendgmr) by 2002:a81:a907:0:b0:62c:f976:a763 with SMTP id 00721157ae682-6f6eb65eeadmr431097b3.1.1737527144144; Tue, 21 Jan 2025 22:25:44 -0800 (PST) Date: Tue, 21 Jan 2025 22:23:29 -0800 In-Reply-To: <20250122062332.577009-1-irogers@google.com> Message-Id: <20250122062332.577009-15-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250122062332.577009-1-irogers@google.com> X-Mailer: git-send-email 2.48.0.rc2.279.g1de40edade-goog Subject: [PATCH v2 14/17] 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 900be0349de9..513dd5cab605 100644 --- a/tools/perf/Makefile.config +++ b/tools/perf/Makefile.config @@ -949,18 +949,6 @@ 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 a2886abd4f02..398c30b6bdce 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 @@ -329,10 +326,10 @@ 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 8140f60af1e5..121db55b9709 100644 --- a/tools/perf/util/symbol-elf.c +++ b/tools/perf/util/symbol-elf.c @@ -27,13 +27,6 @@ #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 @@ -286,13 +279,7 @@ 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 2.48.0.rc2.279.g1de40edade-goog