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[2620:137:e000::1:20]) by mx.google.com with ESMTP id km11-20020a17090327cb00b0019a99845593si1706140plb.425.2023.03.10.23.10.08; Fri, 10 Mar 2023 23:10:21 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@google.com header.s=20210112 header.b="Ua++G/pP"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=google.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230102AbjCKG7w (ORCPT + 99 others); Sat, 11 Mar 2023 01:59:52 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48682 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230095AbjCKG7m (ORCPT ); Sat, 11 Mar 2023 01:59:42 -0500 Received: from mail-yb1-xb49.google.com (mail-yb1-xb49.google.com [IPv6:2607:f8b0:4864:20::b49]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0AE8F11F2ED for ; Fri, 10 Mar 2023 22:59:06 -0800 (PST) Received: by mail-yb1-xb49.google.com with SMTP id j125-20020a25d283000000b008f257b16d71so8095164ybg.15 for ; Fri, 10 Mar 2023 22:59:06 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; t=1678517945; h=cc:to:from:subject:references:mime-version:message-id:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=TeLjpZEBElZPq770pHQ3cqTtDu48PrMd6iajkLxZXoU=; b=Ua++G/pPd+SVDJwvl19ZJsDG1Or/TZ/BFSKNdrAmYWdlWCZ/iFomFaBUwI0T5lTgOm xWfKU5/Bwli59xtjTjo+LvLnIbOmWR8cgnp7hb1NjIlSzo+khMAZRqdJ7g6wNgAZ//6K oZdtIP7+Kdy3nvqTB6B04pijjfOeie0Hf1QccsJhVwceP78G/J1wbT+FQNpjgHIfl+OH FWBtsQo9zfspq9m+CreQOdsqyBGbr0Q2nNsJRtvkSqrHutbXWoGADqwcJbESnMQDEnv1 oiiRTPBevzcT/2RXis5IoSDZyeRElEE8Uf3/yhtx94aYTkUDApVo7blkQ5nkkY/NTzAm cpBQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1678517945; h=cc: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=TeLjpZEBElZPq770pHQ3cqTtDu48PrMd6iajkLxZXoU=; b=F32wmOb3zXyFXhxLYhWh8BlBjLEp6X0i8UZXSI/ZMU6XFuwMZ1lh/oPHTWpzjRlLHL 46l17gYoI2piECEw1kvdMeQEI+KybATjVvlKLHBURZNG3TGQVV4a9lWsi+nSUKwECGfk ALKYi71OfhvYPzx294V2/RjoytoWrNxXL5sRAXNg8Wgz/2VYCD2A6cNwYXFWhYp02nNr cmEF/CTpwoKuZgpUJ++OzOnZB2hXzSzed8kUay+fvhGyRGUKBGcpJqesoypOO/g9IQ2n CF1sqCqSsnDC1dBBfsgTy+k/e6r/iqpzIGfTAgPNiob1Ve5n7uPtbYe1yYwNLh+1GA7j j2ww== X-Gm-Message-State: AO0yUKWZm5WXCsvADsZAn+YW9e81KVagJgk8wvgkxFD7Sm+AhQFaU7uf Z/1oPxqX8Ubv6p9x0RMEOAJXcnueHyE0 X-Received: from irogers.svl.corp.google.com ([2620:15c:2d4:203:a11d:a763:a328:f2d6]) (user=irogers job=sendgmr) by 2002:a81:4328:0:b0:541:642f:709c with SMTP id q40-20020a814328000000b00541642f709cmr2ywa.388.1678517944974; Fri, 10 Mar 2023 22:59:04 -0800 (PST) Date: Fri, 10 Mar 2023 22:57:48 -0800 In-Reply-To: <20230311065753.3012826-1-irogers@google.com> Message-Id: <20230311065753.3012826-9-irogers@google.com> Mime-Version: 1.0 References: <20230311065753.3012826-1-irogers@google.com> X-Mailer: git-send-email 2.40.0.rc1.284.g88254d51c5-goog Subject: [PATCH v1 08/13] tools build: Add feature test for abi::__cxa_demangle From: Ian Rogers To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Nathan Chancellor , Nick Desaulniers , Tom Rix , Roberto Sassu , Quentin Monnet , Andres Freund , Tiezhu Yang , Pavithra Gurushankar , Yang Jihong , Adrian Hunter , Leo Yan , " =?utf-8?q?Martin_Li=C5=A1ka?= " , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, llvm@lists.linux.dev Cc: Stephane Eranian , Ian Rogers X-Spam-Status: No, score=-9.6 required=5.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS,USER_IN_DEF_DKIM_WL autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1760054341754429581?= X-GMAIL-MSGID: =?utf-8?q?1760054341754429581?= cxxabi.h is part of libsdtc++ and LLVM's libcxx, providing abi::__cxa_demangle a portable C++ demangler. Add a feature test to detect that the function is available. Signed-off-by: Ian Rogers --- tools/build/Makefile.feature | 1 + tools/build/feature/Makefile | 4 ++++ tools/build/feature/test-cxa-demangle.cpp | 17 +++++++++++++++++ 3 files changed, 22 insertions(+) create mode 100644 tools/build/feature/test-cxa-demangle.cpp diff --git a/tools/build/Makefile.feature b/tools/build/Makefile.feature index 38f8851bd7cb..214622d7537c 100644 --- a/tools/build/Makefile.feature +++ b/tools/build/Makefile.feature @@ -80,6 +80,7 @@ FEATURE_TESTS_EXTRA := \ compile-32 \ compile-x32 \ cplus-demangle \ + cxa-demangle \ gtk2 \ gtk2-infobar \ hello \ diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile index dc9323e01e42..0a3b9281f8b0 100644 --- a/tools/build/feature/Makefile +++ b/tools/build/feature/Makefile @@ -23,6 +23,7 @@ FILES= \ test-libbfd-liberty.bin \ test-libbfd-liberty-z.bin \ test-cplus-demangle.bin \ + test-cxa-demangle.bin \ test-libcap.bin \ test-libelf.bin \ test-libelf-getphdrnum.bin \ @@ -262,6 +263,9 @@ $(OUTPUT)test-libbfd-liberty-z.bin: $(OUTPUT)test-cplus-demangle.bin: $(BUILD) -liberty +$(OUTPUT)test-cxa-demangle.bin: + $(BUILDXX) + $(OUTPUT)test-backtrace.bin: $(BUILD) diff --git a/tools/build/feature/test-cxa-demangle.cpp b/tools/build/feature/test-cxa-demangle.cpp new file mode 100644 index 000000000000..a3e712f65c37 --- /dev/null +++ b/tools/build/feature/test-cxa-demangle.cpp @@ -0,0 +1,17 @@ +// SPDX-License-Identifier: GPL-2.0 +#include +#include +#include + +int main(void) +{ + size_t len = 256; + char *output = (char*)malloc(len); + int status; + + output = abi::__cxa_demangle("FieldName__9ClassNameFd", output, &len, &status); + + printf("demangled symbol: {%s}\n", output); + + return 0; +}