From owner-freebsd-bugs@freebsd.org Wed Sep 2 21:27:26 2020 Return-Path: Delivered-To: freebsd-bugs@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id A49A23CA995 for ; Wed, 2 Sep 2020 21:27:26 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mailman.nyi.freebsd.org (unknown [127.0.1.3]) by mx1.freebsd.org (Postfix) with ESMTP id 4BhcTp3yz5z4KL3 for ; Wed, 2 Sep 2020 21:27:26 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.nyi.freebsd.org (Postfix) id 863233CA95B; Wed, 2 Sep 2020 21:27:26 +0000 (UTC) Delivered-To: bugs@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 84D433CA6FE for ; Wed, 2 Sep 2020 21:27:26 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4BhcTp2sRjz4KhT for ; Wed, 2 Sep 2020 21:27:26 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 46E2310C19 for ; Wed, 2 Sep 2020 21:27:26 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 082LRQt9027918 for ; Wed, 2 Sep 2020 21:27:26 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 082LRQvr027917 for bugs@FreeBSD.org; Wed, 2 Sep 2020 21:27:26 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 249070] Using backtrace() from libexecinfo causes program to fail with "libunwind: EHHeaderParser::decodeTableEntry: bad fde: CIE ID is not zero" Date: Wed, 02 Sep 2020 21:27:26 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: bin X-Bugzilla-Version: 12.1-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: nicholas.h.briggs@gmail.com X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 02 Sep 2020 21:27:26 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D249070 --- Comment #1 from Nick Briggs --- In case it helps, it's using the generic "ld": $ clang -### -o bt-clang bt.c -lexecinfo FreeBSD clang version 8.0.1 (tags/RELEASE_801/final 366581) (based on LLVM 8.0.1) Target: i386-unknown-freebsd12.1 Thread model: posix InstalledDir: /usr/bin "/usr/bin/clang" "-cc1" "-triple" "i386-unknown-freebsd12.1" "-emit-obj" "-mrelax-all" "-disable-free" "-disable-llvm-verifier" "-discard-value-name= s" "-main-file-name" "bt.c" "-mrelocation-model" "static" "-mthread-model" "po= six" "-mdisable-fp-elim" "-masm-verbose" "-mconstructor-aliases" "-fuse-init-arr= ay" "-target-cpu" "i486" "-dwarf-column-info" "-debugger-tuning=3Dgdb" "-resource-dir" "/usr/lib/clang/8.0.1" "-fdebug-compilation-dir" "/var/tmp" "-ferror-limit" "19" "-fmessage-length" "159" "-fobjc-runtime=3Dgnustep" "-fdiagnostics-show-option" "-fcolor-diagnostics" "-o" "/tmp/bt-061448.o" "= -x" "c" "bt.c" "-faddrsig" "/usr/bin/ld" "--eh-frame-hdr" "-dynamic-linker" "/libexec/ld-elf.so.1" "--hash-style=3Dboth" "--enable-new-dtags" "-m" "elf_i386_fbsd" "-o" "bt-cl= ang" "/usr/lib/crt1.o" "/usr/lib/crti.o" "/usr/lib/crtbegin.o" "-L/usr/lib" "/tmp/bt-061448.o" "-lexecinfo" "-lgcc" "--as-needed" "-lgcc_s" "--no-as-needed" "-lc" "-lgcc" "--as-needed" "-lgcc_s" "--no-as-needed" "/usr/lib/crtend.o" "/usr/lib/crtn.o" $=20 $ /usr/bin/ld --version LLD 8.0.1 (FreeBSD 366581-1200008) (compatible with GNU linkers) $ --=20 You are receiving this mail because: You are the assignee for the bug.=