From owner-svn-src-head@FreeBSD.ORG Tue Nov 5 06:13:47 2013 Return-Path: Delivered-To: svn-src-head@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id 226677AA; Tue, 5 Nov 2013 06:13:47 +0000 (UTC) (envelope-from markj@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:1900:2254:2068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 000692E33; Tue, 5 Nov 2013 06:13:46 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.7/8.14.7) with ESMTP id rA56Dkni028873; Tue, 5 Nov 2013 06:13:46 GMT (envelope-from markj@svn.freebsd.org) Received: (from markj@localhost) by svn.freebsd.org (8.14.7/8.14.5/Submit) id rA56DkiT028871; Tue, 5 Nov 2013 06:13:46 GMT (envelope-from markj@svn.freebsd.org) Message-Id: <201311050613.rA56DkiT028871@svn.freebsd.org> From: Mark Johnston Date: Tue, 5 Nov 2013 06:13:46 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r257679 - in head/sys/cddl/contrib/opensolaris/uts: common/sys intel/dtrace X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 05 Nov 2013 06:13:47 -0000 Author: markj Date: Tue Nov 5 06:13:46 2013 New Revision: 257679 URL: http://svnweb.freebsd.org/changeset/base/257679 Log: Use suword32 and suword64 instead of copyout(9). This fixes a bug in the emulation of the call instruction caused by reversing the uaddr and kaddr arguments when copying data out to userland: the suword* functions take the uaddr as the first argument whereas copyout(9) takes the kaddr as the first argument. This also partially undoes the fixes from r257143. Submitted by: Prashanth Kumar (original version) MFC after: 1 month Modified: head/sys/cddl/contrib/opensolaris/uts/common/sys/fasttrap_impl.h head/sys/cddl/contrib/opensolaris/uts/intel/dtrace/fasttrap_isa.c Modified: head/sys/cddl/contrib/opensolaris/uts/common/sys/fasttrap_impl.h ============================================================================== --- head/sys/cddl/contrib/opensolaris/uts/common/sys/fasttrap_impl.h Tue Nov 5 05:18:18 2013 (r257678) +++ head/sys/cddl/contrib/opensolaris/uts/common/sys/fasttrap_impl.h Tue Nov 5 06:13:46 2013 (r257679) @@ -158,15 +158,15 @@ typedef struct fasttrap_hash { */ #define fasttrap_copyout copyout #define fasttrap_fuword32 fuword32 -#define fasttrap_suword32(_k, _u) copyout((_k), (_u), sizeof(uint32_t)) -#define fasttrap_suword64(_k, _u) copyout((_k), (_u), sizeof(uint64_t)) +#define fasttrap_suword32 suword32 +#define fasttrap_suword64 suword64 #ifdef __amd64__ #define fasttrap_fulword fuword64 -#define fasttrap_sulword fasttrap_suword64 +#define fasttrap_sulword suword64 #else #define fasttrap_fulword fuword32 -#define fasttrap_sulword fasttrap_suword32 +#define fasttrap_sulword suword32 #endif extern void fasttrap_sigtrap(proc_t *, kthread_t *, uintptr_t); Modified: head/sys/cddl/contrib/opensolaris/uts/intel/dtrace/fasttrap_isa.c ============================================================================== --- head/sys/cddl/contrib/opensolaris/uts/intel/dtrace/fasttrap_isa.c Tue Nov 5 05:18:18 2013 (r257678) +++ head/sys/cddl/contrib/opensolaris/uts/intel/dtrace/fasttrap_isa.c Tue Nov 5 06:13:46 2013 (r257679) @@ -1399,12 +1399,12 @@ fasttrap_pid_probe(struct reg *rp) #ifdef __amd64 if (p->p_model == DATAMODEL_NATIVE) { rp->r_rsp -= sizeof (uintptr_t); - ret = fasttrap_sulword(&rp->r_rbp, (void *)rp->r_rsp); + ret = fasttrap_sulword((void *)rp->r_rsp, rp->r_rbp); } else { #endif #ifdef __i386__ rp->r_rsp -= sizeof (uint32_t); - ret = fasttrap_suword32(&rp->r_rbp, (void *)rp->r_rsp); + ret = fasttrap_suword32((void *)rp->r_rsp, rp->r_rbp); #endif #ifdef __amd64 } @@ -1499,13 +1499,13 @@ fasttrap_pid_probe(struct reg *rp) if (p->p_model == DATAMODEL_NATIVE) { addr = rp->r_rsp - sizeof (uintptr_t); pcps = pc + tp->ftt_size; - ret = fasttrap_sulword((void *)addr, &pcps); + ret = fasttrap_sulword((void *)addr, pcps); } else { #endif #ifdef __i386__ addr = rp->r_rsp - sizeof (uint32_t); pcps = (uint32_t)(pc + tp->ftt_size); - ret = fasttrap_suword32((void *)addr, &pcps); + ret = fasttrap_suword32((void *)addr, pcps); #endif #ifdef __amd64 }