From owner-freebsd-bugs@freebsd.org Mon Sep 7 09:53:51 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 E765D3ED61C for ; Mon, 7 Sep 2020 09:53:51 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mailman.nyi.freebsd.org (mailman.nyi.freebsd.org [IPv6:2610:1c1:1:606c::50:13]) by mx1.freebsd.org (Postfix) with ESMTP id 4BlNsC5vjMz3dld for ; Mon, 7 Sep 2020 09:53:51 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.nyi.freebsd.org (Postfix) id C8C973ECFE9; Mon, 7 Sep 2020 09:53:51 +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 C76E03ED5A9 for ; Mon, 7 Sep 2020 09:53:51 +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 4BlNsC4lX6z3dnc for ; Mon, 7 Sep 2020 09:53:51 +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 865921DC34 for ; Mon, 7 Sep 2020 09:53:51 +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 0879rp2L097090 for ; Mon, 7 Sep 2020 09:53:51 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 0879rpxd097089 for bugs@FreeBSD.org; Mon, 7 Sep 2020 09:53:51 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 249162] Consider passing argc/argv/env to the shared object init function (DT_INIT) for compatibility with glibc Date: Mon, 07 Sep 2020 09:53:51 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: bin X-Bugzilla-Version: Unspecified X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: iwtcex@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: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter Message-ID: 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: Mon, 07 Sep 2020 09:53:52 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D249162 Bug ID: 249162 Summary: Consider passing argc/argv/env to the shared object init function (DT_INIT) for compatibility with glibc Product: Base System Version: Unspecified Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: bin Assignee: bugs@FreeBSD.org Reporter: iwtcex@gmail.com % cat so_init.c=20 #include void so_init(int argc, char** argv, char** env) { for (int i =3D 0; i < argc; i++) { printf("arg[%d]: %s\n", i, argv[i]); } } % cc -std=3Dc99 -fPIC -shared -Wl,-init=3Dso_init so_init.c -o test.so % env LD_PRELOAD=3D$PWD/test.so true 1 2 3 Bus error % /compat/linux/bin/cc -std=3Dc99 -fPIC -shared -Wl,-init=3Dso_init so_init= .c -o test.so % env LD_PRELOAD=3D$PWD/test.so /compat/linux/bin/true 1 2 3=20 arg[0]: /compat/linux/bin/true arg[1]: 1 arg[2]: 2 arg[3]: 3 Some notes there: 1. relevant glibc code: https://sourceware.org/git/?p=3Dglibc.git;a=3Dblob;f=3Delf/dl-init.c;h=3D3e= 72fa3013a6aaeda05fe61a0ae7af5d46640826;hb=3DHEAD#l58 ; 2. rtld already does this for functions referenced in DT_INIT_ARRAY, so it's enough to replace a call_initfini_pointer call with call_init_pointer. --=20 You are receiving this mail because: You are the assignee for the bug.=