From owner-svn-src-all@freebsd.org Thu Oct 8 22:00:31 2020 Return-Path: Delivered-To: svn-src-all@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 E65C543252E; Thu, 8 Oct 2020 22:00:31 +0000 (UTC) (envelope-from alfredo@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 4C6lWM5m31z4XSX; Thu, 8 Oct 2020 22:00:31 +0000 (UTC) (envelope-from alfredo@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id AA65AF780; Thu, 8 Oct 2020 22:00:31 +0000 (UTC) (envelope-from alfredo@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 098M0V5f095151; Thu, 8 Oct 2020 22:00:31 GMT (envelope-from alfredo@FreeBSD.org) Received: (from alfredo@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 098M0VOG095150; Thu, 8 Oct 2020 22:00:31 GMT (envelope-from alfredo@FreeBSD.org) Message-Id: <202010082200.098M0VOG095150@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: alfredo set sender to alfredo@FreeBSD.org using -f From: "Alfredo Dal'Ava Junior" Date: Thu, 8 Oct 2020 22:00:31 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r366548 - head/sys/powerpc/powerpc X-SVN-Group: head X-SVN-Commit-Author: alfredo X-SVN-Commit-Paths: head/sys/powerpc/powerpc X-SVN-Commit-Revision: 366548 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 08 Oct 2020 22:00:32 -0000 Author: alfredo Date: Thu Oct 8 22:00:31 2020 New Revision: 366548 URL: https://svnweb.freebsd.org/changeset/base/366548 Log: [PowerPC] add machdep.uprintf_signal sysctl Add support for sysctl 'machdep.uprintf_signal' that prints debugging information on trap signal. Reviewed by: jhibbits, luporl, bdragon Sponsored by: Eldorado Research Institute (eldorado.org.br) Differential Revision: https://reviews.freebsd.org/D26004 Modified: head/sys/powerpc/powerpc/trap.c Modified: head/sys/powerpc/powerpc/trap.c ============================================================================== --- head/sys/powerpc/powerpc/trap.c Thu Oct 8 20:56:11 2020 (r366547) +++ head/sys/powerpc/powerpc/trap.c Thu Oct 8 22:00:31 2020 (r366548) @@ -153,6 +153,11 @@ static struct powerpc_exception powerpc_exceptions[] = { EXC_LAST, NULL } }; +static int uprintf_signal; +SYSCTL_INT(_machdep, OID_AUTO, uprintf_signal, CTLFLAG_RWTUN, + &uprintf_signal, 0, + "Print debugging information on trap signal to ctty"); + #define ESR_BITMASK \ "\20" \ "\040b0\037b1\036b2\035b3\034PIL\033PRR\032PTR\031FP" \ @@ -489,6 +494,14 @@ trap(struct trapframe *frame) ksi.ksi_code = (int) ucode; /* XXX, not POSIX */ ksi.ksi_addr = (void *)addr; ksi.ksi_trapno = type; + if (uprintf_signal) { + uprintf("pid %d comm %s: signal %d code %d type %d " + "addr 0x%lx r1 0x%lx srr0 0x%lx srr1 0x%lx\n", + p->p_pid, p->p_comm, sig, ucode, type, + (u_long)addr, (u_long)frame->fixreg[1], + (u_long)frame->srr0, (u_long)frame->srr1); + } + trapsignal(td, &ksi); }