From owner-svn-src-all@FreeBSD.ORG Mon Feb 17 13:02:09 2014 Return-Path: Delivered-To: svn-src-all@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 ESMTPS id 99C4DF83; Mon, 17 Feb 2014 13:02:09 +0000 (UTC) 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 8549E1DDB; Mon, 17 Feb 2014 13:02:09 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.8/8.14.8) with ESMTP id s1HD29s8049692; Mon, 17 Feb 2014 13:02:09 GMT (envelope-from avg@svn.freebsd.org) Received: (from avg@localhost) by svn.freebsd.org (8.14.8/8.14.8/Submit) id s1HD29UY049691; Mon, 17 Feb 2014 13:02:09 GMT (envelope-from avg@svn.freebsd.org) Message-Id: <201402171302.s1HD29UY049691@svn.freebsd.org> From: Andriy Gapon Date: Mon, 17 Feb 2014 13:02:09 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org Subject: svn commit: r262044 - stable/10/sys/cddl/contrib/opensolaris/uts/intel/dtrace X-SVN-Group: stable-10 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: 2.1.17 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: Mon, 17 Feb 2014 13:02:09 -0000 Author: avg Date: Mon Feb 17 13:02:09 2014 New Revision: 262044 URL: http://svnweb.freebsd.org/changeset/base/262044 Log: MFC r257143: Fix a couple of bugs in the fasttrap emulation of a "push %rbp" Modified: stable/10/sys/cddl/contrib/opensolaris/uts/intel/dtrace/fasttrap_isa.c Modified: stable/10/sys/cddl/contrib/opensolaris/uts/intel/dtrace/fasttrap_isa.c ============================================================================== --- stable/10/sys/cddl/contrib/opensolaris/uts/intel/dtrace/fasttrap_isa.c Mon Feb 17 12:57:53 2014 (r262043) +++ stable/10/sys/cddl/contrib/opensolaris/uts/intel/dtrace/fasttrap_isa.c Mon Feb 17 13:02:09 2014 (r262044) @@ -104,6 +104,7 @@ uwrite(proc_t *p, void *kaddr, size_t le #define r_rip r_eip #define r_rflags r_eflags #define r_rsp r_esp +#define r_rbp r_ebp #endif /* @@ -1381,29 +1382,27 @@ fasttrap_pid_probe(struct reg *rp) case FASTTRAP_T_PUSHL_EBP: { int ret = 0; - uintptr_t addr = 0; #ifdef __amd64 if (p->p_model == DATAMODEL_NATIVE) { - addr = rp->r_rsp - sizeof (uintptr_t); - ret = fasttrap_sulword((void *)addr, &rp->r_rsp); + rp->r_rsp -= sizeof (uintptr_t); + ret = fasttrap_sulword(&rp->r_rbp, (void *)rp->r_rsp); } else { #endif #ifdef __i386__ - addr = rp->r_rsp - sizeof (uint32_t); - ret = fasttrap_suword32((void *)addr, &rp->r_rsp); + rp->r_rsp -= sizeof (uint32_t); + ret = fasttrap_suword32(&rp->r_rbp, (void *)rp->r_rsp); #endif #ifdef __amd64 } #endif if (ret == -1) { - fasttrap_sigsegv(p, curthread, addr); + fasttrap_sigsegv(p, curthread, rp->r_rsp); new_pc = pc; break; } - rp->r_rsp = addr; new_pc = pc + tp->ftt_size; break; }