From owner-svn-src-all@freebsd.org Tue Apr 24 05:33:18 2018 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 2899EFBBC7F; Tue, 24 Apr 2018 05:33:18 +0000 (UTC) (envelope-from jhb@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id C83187618C; Tue, 24 Apr 2018 05:33:17 +0000 (UTC) (envelope-from jhb@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 C0E6C6FEF; Tue, 24 Apr 2018 05:33:17 +0000 (UTC) (envelope-from jhb@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id w3O5XHD8081020; Tue, 24 Apr 2018 05:33:17 GMT (envelope-from jhb@FreeBSD.org) Received: (from jhb@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id w3O5XHLc081019; Tue, 24 Apr 2018 05:33:17 GMT (envelope-from jhb@FreeBSD.org) Message-Id: <201804240533.w3O5XHLc081019@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: jhb set sender to jhb@FreeBSD.org using -f From: John Baldwin Date: Tue, 24 Apr 2018 05:33:17 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r332909 - head/sys/mips/mips X-SVN-Group: head X-SVN-Commit-Author: jhb X-SVN-Commit-Paths: head/sys/mips/mips X-SVN-Commit-Revision: 332909 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: 2.1.25 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: Tue, 24 Apr 2018 05:33:18 -0000 Author: jhb Date: Tue Apr 24 05:33:17 2018 New Revision: 332909 URL: https://svnweb.freebsd.org/changeset/base/332909 Log: Report proper signal codes for SIGTRAP traps on MIPS. - Use TRAP_TRACE for traps after stepping via PT_STEP. - Use TRAP_BRKPT for software breakpoint traps and watchpoint traps. This was tested via the recently added siginfo ptrace() tests. PT_STEP on MIPS has several bugs that prevent it from working yet, but this does fix the ptrace__breakpoint_siginfo test on MIPS. Modified: head/sys/mips/mips/trap.c Modified: head/sys/mips/mips/trap.c ============================================================================== --- head/sys/mips/mips/trap.c Tue Apr 24 05:30:05 2018 (r332908) +++ head/sys/mips/mips/trap.c Tue Apr 24 05:33:17 2018 (r332909) @@ -840,6 +840,7 @@ dofault: if (td->td_md.md_ss_addr != va || instr != MIPS_BREAK_SSTEP) { i = SIGTRAP; + ucode = TRAP_BRKPT; addr = trapframe->pc; break; } @@ -851,6 +852,7 @@ dofault: */ addr = trapframe->pc; i = SIGTRAP; + ucode = TRAP_TRACE; break; } @@ -865,6 +867,7 @@ dofault: va += sizeof(int); printf("watch exception @ %p\n", (void *)va); i = SIGTRAP; + ucode = TRAP_BRKPT; addr = va; break; }