socsvn commit: r271058 - in soc2014/op/freebsd-base/sys: conf kern sys x86/include x86/x86

op at FreeBSD.org op at FreeBSD.org
Fri Jul 18 08:20:33 UTC 2014


Author: op
Date: Fri Jul 18 08:20:31 2014
New Revision: 271058
URL: http://svnweb.FreeBSD.org/socsvn/?view=rev&rev=271058

Log:
  KSP: create abstraction for MD parts
  
  git: https://github.com/opntr/opBSD/tree/op/gsoc2014/kpatch
  
  Signed-off-by: Oliver Pinter <oliver.pntr at gmail.com>
  ---
   sys/conf/files.amd64            |  1 +
   sys/kern/kern_selfpatch.c       |  2 ++
   sys/sys/selfpatch.h             |  9 +++++++++
   sys/x86/include/_selfpatch.h    | 34 ++++++++++++++++++++++++++++++++++
   sys/x86/x86/selfpatch_machdep.c | 40 ++++++++++++++++++++++++++++++++++++++++
   5 files changed, 86 insertions(+)
   create mode 100644 sys/x86/include/_selfpatch.h
   create mode 100644 sys/x86/x86/selfpatch_machdep.c
  

Added:
  soc2014/op/freebsd-base/sys/x86/include/_selfpatch.h
  soc2014/op/freebsd-base/sys/x86/x86/selfpatch_machdep.c
Modified:
  soc2014/op/freebsd-base/sys/conf/files.amd64
  soc2014/op/freebsd-base/sys/kern/kern_selfpatch.c
  soc2014/op/freebsd-base/sys/sys/selfpatch.h

Modified: soc2014/op/freebsd-base/sys/conf/files.amd64
==============================================================================
--- soc2014/op/freebsd-base/sys/conf/files.amd64	Fri Jul 18 07:52:35 2014	(r271057)
+++ soc2014/op/freebsd-base/sys/conf/files.amd64	Fri Jul 18 08:20:31 2014	(r271058)
@@ -554,6 +554,7 @@
 x86/x86/nexus.c			standard
 x86/x86/tsc.c			standard
 x86/x86/delay.c			standard
+x86/x86/selfpatch.c		standard
 x86/xen/hvm.c			optional	xenhvm
 x86/xen/xen_intr.c		optional	xen | xenhvm
 x86/xen/pv.c			optional	xenhvm

Modified: soc2014/op/freebsd-base/sys/kern/kern_selfpatch.c
==============================================================================
--- soc2014/op/freebsd-base/sys/kern/kern_selfpatch.c	Fri Jul 18 07:52:35 2014	(r271057)
+++ soc2014/op/freebsd-base/sys/kern/kern_selfpatch.c	Fri Jul 18 08:20:31 2014	(r271058)
@@ -37,3 +37,5 @@
 #include <sys/linker_set.h>
 
 #include <sys/selfpatch.h>
+
+

Modified: soc2014/op/freebsd-base/sys/sys/selfpatch.h
==============================================================================
--- soc2014/op/freebsd-base/sys/sys/selfpatch.h	Fri Jul 18 07:52:35 2014	(r271057)
+++ soc2014/op/freebsd-base/sys/sys/selfpatch.h	Fri Jul 18 08:20:31 2014	(r271058)
@@ -26,6 +26,11 @@
  * $FreeBSD$
  */
 
+#ifndef __SELFPATH_H__
+#define __SELFPATH_H__
+
+#include <machine/_selfpatch.h>
+
 typedef struct lf_selfpatch {
 	void	*patchable;
 	void	*patch;
@@ -33,3 +38,7 @@
 	int	feature;
 	char	*comment;
 } lf_selfpatch_t;
+
+extern char *selfpatch_nop_table[];
+
+#endif /* __SELFPATH_H__ */

Added: soc2014/op/freebsd-base/sys/x86/include/_selfpatch.h
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ soc2014/op/freebsd-base/sys/x86/include/_selfpatch.h	Fri Jul 18 08:20:31 2014	(r271058)
@@ -0,0 +1,34 @@
+/*-
+ * Copyright (c) 2014, by Oliver Pinter <oliver.pntr at gmail.com>
+ * 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 AUTHOR 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 AUTHOR 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.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef __X86_SELFPATH_H__
+#define __X86_SELFPATH_H__
+
+extern char *md_selfpatch_nop_table[];
+
+#endif /* __X86_SELFPATH_H__ */

Added: soc2014/op/freebsd-base/sys/x86/x86/selfpatch_machdep.c
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ soc2014/op/freebsd-base/sys/x86/x86/selfpatch_machdep.c	Fri Jul 18 08:20:31 2014	(r271058)
@@ -0,0 +1,40 @@
+/*-
+ * Copyright (c) 2014, by Oliver Pinter <oliver.pntr at gmail.com>
+ * 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 AUTHOR 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 AUTHOR 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.
+ *
+ * $FreeBSD$
+ */
+
+#include <sys/cdefs.h>
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/types.h>
+#include <sys/kernel.h>
+
+#include <sys/linker.h>
+#include <sys/linker_set.h>
+
+#include <sys/selfpatch.h>
+


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