From owner-svn-src-all@FreeBSD.ORG Sun Sep 23 09:13:58 2012 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 51DD6106564A; Sun, 23 Sep 2012 09:13:58 +0000 (UTC) (envelope-from nyan@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c]) by mx1.freebsd.org (Postfix) with ESMTP id 234FD8FC0A; Sun, 23 Sep 2012 09:13:58 +0000 (UTC) Received: from svn.freebsd.org (localhost [127.0.0.1]) by svn.freebsd.org (8.14.4/8.14.4) with ESMTP id q8N9DvRx061279; Sun, 23 Sep 2012 09:13:57 GMT (envelope-from nyan@svn.freebsd.org) Received: (from nyan@localhost) by svn.freebsd.org (8.14.4/8.14.4/Submit) id q8N9DvCA061277; Sun, 23 Sep 2012 09:13:57 GMT (envelope-from nyan@svn.freebsd.org) Message-Id: <201209230913.q8N9DvCA061277@svn.freebsd.org> From: Takahashi Yoshihiro Date: Sun, 23 Sep 2012 09:13:57 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: Subject: svn commit: r240855 - head/sys/pc98/pc98 X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.5 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: Sun, 23 Sep 2012 09:13:58 -0000 Author: nyan Date: Sun Sep 23 09:13:57 2012 New Revision: 240855 URL: http://svn.freebsd.org/changeset/base/240855 Log: MFi386: revision 237445 Commit changes missed from r237435. Properly calculate the signal trampoline addresses after the shared page is enabled. Handle FreeBSD ABIs without shared page support too. MFi386: revision 238792 Introduce curpcb magic variable. Modified: head/sys/pc98/pc98/machdep.c Modified: head/sys/pc98/pc98/machdep.c ============================================================================== --- head/sys/pc98/pc98/machdep.c Sun Sep 23 08:50:54 2012 (r240854) +++ head/sys/pc98/pc98/machdep.c Sun Sep 23 09:13:57 2012 (r240855) @@ -407,7 +407,13 @@ osendsig(sig_t catcher, ksiginfo_t *ksi, } regs->tf_esp = (int)fp; - regs->tf_eip = PS_STRINGS - szosigcode; + if (p->p_sysent->sv_sigcode_base != 0) { + regs->tf_eip = p->p_sysent->sv_sigcode_base + szsigcode - + szosigcode; + } else { + /* a.out sysentvec does not use shared page */ + regs->tf_eip = p->p_sysent->sv_psstrings - szosigcode; + } regs->tf_eflags &= ~(PSL_T | PSL_D); regs->tf_cs = _ucodesel; regs->tf_ds = _udatasel; @@ -534,7 +540,8 @@ freebsd4_sendsig(sig_t catcher, ksiginfo } regs->tf_esp = (int)sfp; - regs->tf_eip = PS_STRINGS - szfreebsd4_sigcode; + regs->tf_eip = p->p_sysent->sv_sigcode_base + szsigcode - + szfreebsd4_sigcode; regs->tf_eflags &= ~(PSL_T | PSL_D); regs->tf_cs = _ucodesel; regs->tf_ds = _udatasel; @@ -685,7 +692,7 @@ sendsig(sig_t catcher, ksiginfo_t *ksi, } regs->tf_esp = (int)sfp; - regs->tf_eip = PS_STRINGS - *(p->p_sysent->sv_szsigcode); + regs->tf_eip = p->p_sysent->sv_sigcode_base; regs->tf_eflags &= ~(PSL_T | PSL_D); regs->tf_cs = _ucodesel; regs->tf_ds = _udatasel; @@ -1412,7 +1419,7 @@ exec_setregs(struct thread *td, struct i pcb->pcb_dr3 = 0; pcb->pcb_dr6 = 0; pcb->pcb_dr7 = 0; - if (pcb == PCPU_GET(curpcb)) { + if (pcb == curpcb) { /* * Clear the debug registers on the running * CPU, otherwise they will end up affecting