From nobody Thu Nov 28 03:48:23 2024 Received: from mail-yw1-f201.google.com (mail-yw1-f201.google.com [209.85.128.201]) (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 03C3F175D37 for ; Sat, 5 Oct 2024 19:56:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728158176; cv=none; b=aOV5yF5GKUi1gylidPIhrk7EV/fZVe57ZZglmD/WkcqJV+l8w8KNC+o0nKkM5Ufa8UnHICBKgwldlEPrRIW9/hOdgbUN0HUtGQinLEaDNyy2IMHlzPJIFCSUwm3n5B7NZvN7g5acxBuLv25vCpRSZay1xLq+qsvZUPJjsuI21Ko= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728158176; c=relaxed/simple; bh=cVIpvRAVS4B/q4rtsfLauVRqeL+8GYFjJpX7gyN/oeo=; h=Date:In-Reply-To:Message-Id:Mime-Version:References:Subject:From: To:Content-Type; b=GZQ2MHP9pQyqZ3bbCip84dSRvMJc8dBC64saV0tCt6wZ5QVEtON9eusEueO5hOWyjcZTOkHsEBMar+dVMD1+T/fEpMR8Qccsw6LK7taao2SjXzgTsRSDnpFkX4mEG4Ha7AKIj8Hrqsx3uaTyKwOqT7vebEupqvV1kXwFxGW7ZqA= 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=wPnmTGC2; arc=none smtp.client-ip=209.85.128.201 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="wPnmTGC2" Received: by mail-yw1-f201.google.com with SMTP id 00721157ae682-6e2261adfdeso53824997b3.2 for ; Sat, 05 Oct 2024 12:56:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1728158174; x=1728762974; 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=0crp/bMgJAdiK6d8c23KKPaC1XR/kHsld8YeBJQYGmI=; b=wPnmTGC2XHYpBNuIPm6cocnpBXFLyR5Qg7Uj1Ubj7UIKy1WN0psjfFVpZAKVD+O7o6 ASKXAc1znuC71NQ6+sBJ1cfnDwNk/BJ9s7jfSICREVKHQZkUSIB0vO16yb9PAOUncP66 oen6m4yddg+Wt6lb5NoFOZZdWS1O/pkQRzsR9aDiNjN4/wiKW1fY/87WCwE1o0+F6MFQ 2eR7PssOEYZFW9k6qO/eyci5zYm6kuwopkkBhsmeE2vFKIt944zlTcg7E3MYxFVb4acb U1BWAvaUJiZr+SDRQPha2qfqMbO0x1hFrPoF5eNqIg71+gJ7Xc8NjohRKV7RtK47GnPS j20w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1728158174; x=1728762974; 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=0crp/bMgJAdiK6d8c23KKPaC1XR/kHsld8YeBJQYGmI=; b=qmurPopa43eIhEoLZsibwAqKF6lrdLi0ilzUoth3de5QF3XmL1juplbIUIp+6tMN0E rVKVdAUOeEOla9K6GqJKxREOB8pOQOJg9n/N5ir9xXjlfJ/UaDd9PidAaCZp+ROuaDR9 54znLMKeaF1/E7iFCqeZiGhlhD/+NGg7FyzRekfv4nWD/dxTzjJkUmnXoJ1FVheM219q mp9fJa82OSI/RAOP2B3/MgyPuR4U67eWqtVjj0UXOFW9ctZoinQa06HRlG/Uv1R+B6I2 VH4SVEsBeK2mhFS6i82Cf4Ez8KK3b1/V8JVDRq7r/TQf6TbUM7jwi/CvmarXZmvA0O1u 4z/A== X-Forwarded-Encrypted: i=1; AJvYcCXb7ZWEYb1tm5YQRO3Y0clQLNdUkCJ5hXBuIRBj2nTYaKdNSwh+7qTC/voQPoDCAGRVqFnh95HaR+iDzPI=@vger.kernel.org X-Gm-Message-State: AOJu0YyFh7sTlwWH/J122KGJEsEcpKP2nE0KzWHCBLHSAryo6x+WYpZG +ds84DDrNy8hkw9sH8N3UBOpu33rMNsi13nyz2tlnN6x8piY1kuE1KFe6Z3y/3dk6MycL8mAlJM qPVAtog== X-Google-Smtp-Source: AGHT+IHI0ooHk2TiOSYrZi7ZdasFpBsMC3hc3dHVSPTy4zsPzZ/sjN8Kmzd2OcOEY5SwbjwD0AuHECWj/yIo X-Received: from irogers.svl.corp.google.com ([2620:15c:2a3:200:4c2:5b4d:8797:7249]) (user=irogers job=sendgmr) by 2002:a05:690c:963:b0:6c1:298e:5a7 with SMTP id 00721157ae682-6e2c72a0f50mr1533337b3.5.1728158174040; Sat, 05 Oct 2024 12:56:14 -0700 (PDT) Date: Sat, 5 Oct 2024 12:55:17 -0700 In-Reply-To: <20241005195541.380070-1-irogers@google.com> Message-Id: <20241005195541.380070-8-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20241005195541.380070-1-irogers@google.com> X-Mailer: git-send-email 2.47.0.rc0.187.ge670bccf7e-goog Subject: [PATCH v2 07/31] perf build: Combine test-dwarf-getcfi into test-libdw 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 , John Garry , Will Deacon , James Clark , Mike Leach , Leo Yan , Guo Ren , Paul Walmsley , Palmer Dabbelt , Albert Ou , Nick Terrell , "Steven Rostedt (Google)" , "Masami Hiramatsu (Google)" , Guilherme Amadio , Changbin Du , Daniel Bristot de Oliveira , Daniel Wagner , Aditya Gupta , Athira Rajeev , Masahiro Yamada , Kajol Jain , Huacai Chen , Bibo Mao , Anup Patel , Atish Patra , Shenlin Liang , Oliver Upton , "Steinar H. Gunderson" , "Dr. David Alan Gilbert" , Chen Pei , Dima Kogan , Yury Norov , Alexander Lobakin , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-riscv@lists.infradead.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" dwarf_getcfi support in libdw is 15 years old. Make libdw imply dwarf_getcfi support and simplify build logic. Signed-off-by: Ian Rogers --- tools/build/Makefile.feature | 1 - tools/build/feature/Makefile | 4 ---- tools/build/feature/test-dwarf_getcfi.c | 9 --------- tools/build/feature/test-libdw.c | 10 +++++++++- tools/perf/Makefile.config | 8 +------- 5 files changed, 10 insertions(+), 22 deletions(-) delete mode 100644 tools/build/feature/test-dwarf_getcfi.c diff --git a/tools/build/Makefile.feature b/tools/build/Makefile.feature index cf6a967575ea..ef72aae3dd49 100644 --- a/tools/build/Makefile.feature +++ b/tools/build/Makefile.feature @@ -31,7 +31,6 @@ endef FEATURE_TESTS_BASIC :=3D \ backtrace \ libdw \ - dwarf_getcfi \ eventfd \ fortify-source \ get_current_dir_name \ diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile index 7683d171f744..f94afd522ebb 100644 --- a/tools/build/feature/Makefile +++ b/tools/build/feature/Makefile @@ -6,7 +6,6 @@ FILES=3D \ test-backtrace.bin \ test-bionic.bin \ test-libdw.bin \ - test-dwarf_getcfi.bin \ test-eventfd.bin \ test-fortify-source.bin \ test-get_current_dir_name.bin \ @@ -184,9 +183,6 @@ endif $(OUTPUT)test-libdw.bin: $(BUILD) $(DWLIBS) =20 -$(OUTPUT)test-dwarf_getcfi.bin: - $(BUILD) $(DWLIBS) - $(OUTPUT)test-libelf-getphdrnum.bin: $(BUILD) -lelf =20 diff --git a/tools/build/feature/test-dwarf_getcfi.c b/tools/build/feature/= test-dwarf_getcfi.c deleted file mode 100644 index 50e7d7cb7bdf..000000000000 --- a/tools/build/feature/test-dwarf_getcfi.c +++ /dev/null @@ -1,9 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -#include -#include - -int main(void) -{ - Dwarf *dwarf =3D NULL; - return dwarf_getcfi(dwarf) =3D=3D NULL; -} diff --git a/tools/build/feature/test-libdw.c b/tools/build/feature/test-li= bdw.c index 83ea5d5f235d..71c6f8e3b0ee 100644 --- a/tools/build/feature/test-libdw.c +++ b/tools/build/feature/test-libdw.c @@ -34,7 +34,15 @@ int test_libdw_getlocations(void) return (int)dwarf_getlocations(&attr, offset, &base, &start, &end, &op, &= nops); } =20 +int test_libdw_getcfi(void) +{ + Dwarf *dwarf =3D NULL; + + return dwarf_getcfi(dwarf) =3D=3D NULL; +} + int main(void) { - return test_libdw() + test_libdw_unwind() + test_libdw_getlocations(); + return test_libdw() + test_libdw_unwind() + test_libdw_getlocations() + + test_libdw_getcfi(); } diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config index 903de48c140d..9da0dc001d98 100644 --- a/tools/perf/Makefile.config +++ b/tools/perf/Makefile.config @@ -161,8 +161,6 @@ ifeq ($(findstring -static,${LDFLAGS}),-static) endif FEATURE_CHECK_CFLAGS-libdw :=3D $(LIBDW_CFLAGS) FEATURE_CHECK_LDFLAGS-libdw :=3D $(LIBDW_LDFLAGS) $(DWARFLIBS) -FEATURE_CHECK_CFLAGS-dwarf_getcfi :=3D $(LIBDW_CFLAGS) -FEATURE_CHECK_LDFLAGS-dwarf_getcfi :=3D $(LIBDW_LDFLAGS) $(DWARFLIBS) =20 # for linking with debug library, run like: # make DEBUG=3D1 LIBBABELTRACE_DIR=3D/opt/libbabeltrace/ @@ -467,11 +465,7 @@ else endif else CFLAGS +=3D -DHAVE_DWARF_GETLOCATIONS_SUPPORT - ifneq ($(feature-dwarf_getcfi), 1) - $(warning Old libdw.h, finding variables at given 'perf probe' poi= nt will not work, install elfutils-devel/libdw-dev >=3D 0.142) - else - CFLAGS +=3D -DHAVE_DWARF_CFI_SUPPORT - endif # dwarf_getcfi + CFLAGS +=3D -DHAVE_DWARF_CFI_SUPPORT endif # Dwarf support endif # libelf support endif # NO_LIBELF --=20 2.47.0.rc0.187.ge670bccf7e-goog