CVS commit: src/sys/arch/usermode/modules/syscallemu
Module Name:src
Committed By: rin
Date: Sun Feb 17 05:32:35 UTC 2019
Modified Files:
src/sys/arch/usermode/modules/syscallemu: Makefile
Log Message:
Set WARN=3 for sing-compare.
To generate a diff of this commit:
cvs rdiff -u -r1.5 -r1.6 src/sys/arch/usermode/modules/syscallemu/Makefile
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/usermode/modules/syscallemu/Makefile
diff -u src/sys/arch/usermode/modules/syscallemu/Makefile:1.5 src/sys/arch/usermode/modules/syscallemu/Makefile:1.6
--- src/sys/arch/usermode/modules/syscallemu/Makefile:1.5 Sun Nov 10 22:08:58 2013
+++ src/sys/arch/usermode/modules/syscallemu/Makefile Sun Feb 17 05:32:35 2019
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.5 2013/11/10 22:08:58 jmcneill Exp $
+# $NetBSD: Makefile,v 1.6 2019/02/17 05:32:35 rin Exp $
.include
@@ -19,4 +19,6 @@ SRCS+= syscallemu_arm.c
.error ${MACHINE_CPU} not implemented
.endif
+WARNS= 3
+
.include
CVS commit: src/sys/arch/usermode/modules/syscallemu
Module Name:src
Committed By: jmcneill
Date: Sun Nov 10 19:58:38 UTC 2013
Modified Files:
src/sys/arch/usermode/modules/syscallemu: Makefile
Added Files:
src/sys/arch/usermode/modules/syscallemu: syscallemu_arm.c
Log Message:
arm support for syscallemu, not tested
To generate a diff of this commit:
cvs rdiff -u -r1.3 -r1.4 src/sys/arch/usermode/modules/syscallemu/Makefile
cvs rdiff -u -r0 -r1.1 \
src/sys/arch/usermode/modules/syscallemu/syscallemu_arm.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/usermode/modules/syscallemu/Makefile
diff -u src/sys/arch/usermode/modules/syscallemu/Makefile:1.3 src/sys/arch/usermode/modules/syscallemu/Makefile:1.4
--- src/sys/arch/usermode/modules/syscallemu/Makefile:1.3 Tue Jul 3 21:07:41 2012
+++ src/sys/arch/usermode/modules/syscallemu/Makefile Sun Nov 10 19:58:38 2013
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.3 2012/07/03 21:07:41 christos Exp $
+# $NetBSD: Makefile,v 1.4 2013/11/10 19:58:38 jmcneill Exp $
.include bsd.own.mk
@@ -13,6 +13,8 @@ KMOD= syscallemu
SRCS= syscallemu.c
.if ${MACHINE_ARCH} == i386 || ${MACHINE_ARCH} == x86_64
SRCS+= syscallemu_x86.c
+.elif ${MACHINE_ARCH} == arm || ${MACHINE_ARCH} == earm
+SRCS+= syscallemu_arm.c
.else
.error ${MACHINE_ARCH} not implemented
.endif
Added files:
Index: src/sys/arch/usermode/modules/syscallemu/syscallemu_arm.c
diff -u /dev/null src/sys/arch/usermode/modules/syscallemu/syscallemu_arm.c:1.1
--- /dev/null Sun Nov 10 19:58:38 2013
+++ src/sys/arch/usermode/modules/syscallemu/syscallemu_arm.c Sun Nov 10 19:58:38 2013
@@ -0,0 +1,107 @@
+/* $NetBSD: syscallemu_arm.c,v 1.1 2013/11/10 19:58:38 jmcneill Exp $ */
+
+/*-
+ * Copyright (c) 2011 Reinoud Zandijk rein...@netbsd.org
+ * Copyright (c) 2012-2013 Jared D. McNeill jmcne...@invisible.ca
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *notice, this list of conditions and the following disclaimer in the
+ *documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include sys/cdefs.h
+__KERNEL_RCSID(0, $NetBSD: syscallemu_arm.c,v 1.1 2013/11/10 19:58:38 jmcneill Exp $);
+
+#include sys/param.h
+#include sys/proc.h
+#include sys/systm.h
+
+#include arch/arm/include/locore.h
+
+#include syscallemu.h
+
+#define ARM_TF_PC(frame) ((frame)-tf_pc)
+
+/*
+ * If syscallemu specific data is present for the process, verify that the
+ * caller is allowed to execute system calls. If not, deliver a SIGILL to
+ * the process. When syscallemu specific data is not present, simply defer
+ * to the original syscall handler.
+ */
+static void
+arm_syscall_emu(struct trapframe *frame, struct lwp *l, uint32_t insn)
+{
+ void (*md_syscall)(struct trapframe *, struct lwp *, uint32_t) = NULL;
+ struct syscallemu_data *sce;
+ register_t pc_call;
+ struct proc *p;
+ ksiginfo_t ksi;
+
+ p = l-l_proc;
+
+ pc_call = ARM_TF_PC(frame) - INSN_SIZE;
+
+ /* Determine if we need to emulate the system call */
+ sce = syscallemu_getsce(p);
+ if (sce) {
+ if ((pc_call = sce-sce_user_start
+ pc_call sce-sce_user_end) ||
+ (pc_call + INSN_SIZE = sce-sce_user_start
+ pc_call + INSN_SIZE sce-sce_user_end)) {
+ md_syscall = NULL;
+ } else {
+ md_syscall = sce-sce_md_syscall;
+ }
+ } else {
+ md_syscall = p-p_md.md_syscall;
+ }
+
+ if (md_syscall == NULL) {
+ /* If emulating, deliver SIGILL to process */
+ ARM_TF_PC(frame) = pc_call;
+ KSI_INIT_TRAP(ksi);
+ ksi.ksi_signo = SIGILL;
+ ksi.ksi_code = ILL_ILLTRP;
+ ksi.ksi_addr = (void *)ARM_TF_PC(frame);
+ ksi.ksi_trap = 0;
+ trapsignal(l, ksi);
+ userret(l);
+ } else {
+ /* Not emulating, so treat as a normal syscall */
+ KASSERT(md_syscall != NULL);
+ md_syscall(frame, l, insn);
+ }
+}
+
+/*
+ * Set
CVS commit: src/sys/arch/usermode/modules/syscallemu
Module Name:src
Committed By: jmcneill
Date: Sun Nov 10 22:08:58 UTC 2013
Modified Files:
src/sys/arch/usermode/modules/syscallemu: Makefile
Log Message:
use MACHINE_CPU instead of MACHINE_ARCH
To generate a diff of this commit:
cvs rdiff -u -r1.4 -r1.5 src/sys/arch/usermode/modules/syscallemu/Makefile
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/usermode/modules/syscallemu/Makefile
diff -u src/sys/arch/usermode/modules/syscallemu/Makefile:1.4 src/sys/arch/usermode/modules/syscallemu/Makefile:1.5
--- src/sys/arch/usermode/modules/syscallemu/Makefile:1.4 Sun Nov 10 19:58:38 2013
+++ src/sys/arch/usermode/modules/syscallemu/Makefile Sun Nov 10 22:08:58 2013
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.4 2013/11/10 19:58:38 jmcneill Exp $
+# $NetBSD: Makefile,v 1.5 2013/11/10 22:08:58 jmcneill Exp $
.include bsd.own.mk
@@ -11,12 +11,12 @@ M?= ${S}/modules
KMOD= syscallemu
SRCS= syscallemu.c
-.if ${MACHINE_ARCH} == i386 || ${MACHINE_ARCH} == x86_64
+.if ${MACHINE_CPU} == i386 || ${MACHINE_CPU} == x86_64
SRCS+= syscallemu_x86.c
-.elif ${MACHINE_ARCH} == arm || ${MACHINE_ARCH} == earm
+.elif ${MACHINE_CPU} == arm
SRCS+= syscallemu_arm.c
.else
-.error ${MACHINE_ARCH} not implemented
+.error ${MACHINE_CPU} not implemented
.endif
.include bsd.kmodule.mk
CVS commit: src/sys/arch/usermode/modules/syscallemu
Module Name:src
Committed By: christos
Date: Tue Jul 3 21:07:41 UTC 2012
Modified Files:
src/sys/arch/usermode/modules/syscallemu: Makefile
Log Message:
no home-brewed NETBSDSRCDIR please (fix the build)
To generate a diff of this commit:
cvs rdiff -u -r1.2 -r1.3 src/sys/arch/usermode/modules/syscallemu/Makefile
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/usermode/modules/syscallemu/Makefile
diff -u src/sys/arch/usermode/modules/syscallemu/Makefile:1.2 src/sys/arch/usermode/modules/syscallemu/Makefile:1.3
--- src/sys/arch/usermode/modules/syscallemu/Makefile:1.2 Fri Jan 6 08:16:20 2012
+++ src/sys/arch/usermode/modules/syscallemu/Makefile Tue Jul 3 17:07:41 2012
@@ -1,6 +1,6 @@
-# $NetBSD: Makefile,v 1.2 2012/01/06 13:16:20 jmcneill Exp $
+# $NetBSD: Makefile,v 1.3 2012/07/03 21:07:41 christos Exp $
-NETBSDSRCDIR?= ../../../../..
+.include bsd.own.mk
S?= ${NETBSDSRCDIR}/sys
M?= ${S}/modules
CVS commit: src/sys/arch/usermode/modules/syscallemu
Module Name:src
Committed By: jmcneill
Date: Fri Jan 6 13:16:20 UTC 2012
Modified Files:
src/sys/arch/usermode/modules/syscallemu: Makefile
Added Files:
src/sys/arch/usermode/modules/syscallemu: syscallemu_x86.c
Removed Files:
src/sys/arch/usermode/modules/syscallemu: syscallemu_i386.c
Log Message:
i386 and x86_64 versions of this code are the same, rename to syscallemu_x86.c
To generate a diff of this commit:
cvs rdiff -u -r1.1 -r1.2 src/sys/arch/usermode/modules/syscallemu/Makefile
cvs rdiff -u -r1.1 -r0 \
src/sys/arch/usermode/modules/syscallemu/syscallemu_i386.c
cvs rdiff -u -r0 -r1.1 \
src/sys/arch/usermode/modules/syscallemu/syscallemu_x86.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/usermode/modules/syscallemu/Makefile
diff -u src/sys/arch/usermode/modules/syscallemu/Makefile:1.1 src/sys/arch/usermode/modules/syscallemu/Makefile:1.2
--- src/sys/arch/usermode/modules/syscallemu/Makefile:1.1 Thu Jan 5 13:26:51 2012
+++ src/sys/arch/usermode/modules/syscallemu/Makefile Fri Jan 6 13:16:20 2012
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.1 2012/01/05 13:26:51 jmcneill Exp $
+# $NetBSD: Makefile,v 1.2 2012/01/06 13:16:20 jmcneill Exp $
NETBSDSRCDIR?= ../../../../..
@@ -11,6 +11,10 @@ M?= ${S}/modules
KMOD= syscallemu
SRCS= syscallemu.c
-SRCS+= syscallemu_${MACHINE_ARCH}.c
+.if ${MACHINE_ARCH} == i386 || ${MACHINE_ARCH} == x86_64
+SRCS+= syscallemu_x86.c
+.else
+.error ${MACHINE_ARCH} not implemented
+.endif
.include bsd.kmodule.mk
Added files:
Index: src/sys/arch/usermode/modules/syscallemu/syscallemu_x86.c
diff -u /dev/null src/sys/arch/usermode/modules/syscallemu/syscallemu_x86.c:1.1
--- /dev/null Fri Jan 6 13:16:20 2012
+++ src/sys/arch/usermode/modules/syscallemu/syscallemu_x86.c Fri Jan 6 13:16:20 2012
@@ -0,0 +1,107 @@
+/* $NetBSD: syscallemu_x86.c,v 1.1 2012/01/06 13:16:20 jmcneill Exp $ */
+
+/*-
+ * Copyright (c) 2011 Reinoud Zandijk rein...@netbsd.org
+ * Copyright (c) 2012 Jared D. McNeill jmcne...@invisible.ca
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *notice, this list of conditions and the following disclaimer in the
+ *documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include sys/cdefs.h
+__KERNEL_RCSID(0, $NetBSD: syscallemu_x86.c,v 1.1 2012/01/06 13:16:20 jmcneill Exp $);
+
+#include sys/param.h
+#include sys/proc.h
+#include sys/systm.h
+
+#include machine/userret.h
+
+#include syscallemu.h
+
+/*
+ * If syscallemu specific data is present for the process, verify that the
+ * caller is allowed to execute system calls. If not, deliver a SIGILL to
+ * the process. When syscallemu specific data is not present, simply defer
+ * to the original syscall handler.
+ */
+static void
+x86_syscall_emu(struct trapframe *frame)
+{
+ void (*md_syscall)(struct trapframe *) = NULL;
+ struct syscallemu_data *sce;
+ register_t rip_call;
+ struct proc *p;
+ ksiginfo_t ksi;
+ lwp_t *l;
+
+ l = curlwp;
+ p = l-l_proc;
+
+ rip_call = X86_TF_RIP(frame) - frame-tf_err;
+
+ /* Determine if we need to emulate the system call */
+ sce = syscallemu_getsce(p);
+ if (sce) {
+ if ((rip_call = sce-sce_user_start
+ rip_call sce-sce_user_end) ||
+ (rip_call + frame-tf_err = sce-sce_user_start
+ rip_call + frame-tf_err sce-sce_user_end)) {
+ md_syscall = NULL;
+ } else {
+ md_syscall = sce-sce_md_syscall;
+ }
+ } else {
+ md_syscall = p-p_md.md_syscall;
+ }
+
+ if (md_syscall == NULL) {
+ /* If emulating, deliver SIGILL to process */
+ X86_TF_RIP(frame) = rip_call;
+ KSI_INIT_TRAP(ksi);
+ ksi.ksi_signo = SIGILL;
+ ksi.ksi_code = ILL_ILLTRP;
+ ksi.ksi_addr = (void *)X86_TF_RIP(frame);
+ ksi.ksi_trap = 0;
+ trapsignal(l, ksi);
+
