svn commit: r278655 - in head/sys: amd64/amd64 i386/i386

[Mark Johnston]

Author: markj
Date: Fri Feb 13 01:35:53 2015
New Revision: 278655
URL: https://svnweb.freebsd.org/changeset/base/278655

Log:
  Add support for decoding multibyte NOPs.
  
  Differential Revision:	https://reviews.freebsd.org/D1830
  Reviewed by:	jhb, kib
  MFC after:	2 weeks
  Sponsored by:	EMC / Isilon Storage Divison

Modified:
  head/sys/amd64/amd64/db_disasm.c
  head/sys/i386/i386/db_disasm.c

Modified: head/sys/amd64/amd64/db_disasm.c
==============================================================================
--- head/sys/amd64/amd64/db_disasm.c	Fri Feb 13 01:20:37 2015	(r278654)
+++ head/sys/amd64/amd64/db_disasm.c	Fri Feb 13 01:35:53 2015	(r278655)
@@ -250,6 +250,26 @@ static const struct inst db_inst_0f0x[] 
 /*0f*/	{ "",      FALSE, NONE,  0,	      0 },
 };
 
+static const struct inst db_inst_0f1x[] = {
+/*10*/	{ "",      FALSE, NONE,  0,	      0 },
+/*11*/	{ "",      FALSE, NONE,  0,	      0 },
+/*12*/	{ "",      FALSE, NONE,  0,	      0 },
+/*13*/	{ "",      FALSE, NONE,  0,	      0 },
+/*14*/	{ "",      FALSE, NONE,  0,	      0 },
+/*15*/	{ "",      FALSE, NONE,  0,	      0 },
+/*16*/	{ "",      FALSE, NONE,  0,	      0 },
+/*17*/	{ "",      FALSE, NONE,  0,	      0 },
+
+/*18*/	{ "",      FALSE, NONE,  0,	      0 },
+/*19*/	{ "",      FALSE, NONE,  0,	      0 },
+/*1a*/	{ "",      FALSE, NONE,  0,	      0 },
+/*1b*/	{ "",      FALSE, NONE,  0,	      0 },
+/*1c*/	{ "",      FALSE, NONE,  0,	      0 },
+/*1d*/	{ "",      FALSE, NONE,  0,	      0 },
+/*1e*/	{ "",      FALSE, NONE,  0,	      0 },
+/*1f*/	{ "nopl",  TRUE,  SDEP,  0,	      "nopw" },
+};
+
 static const struct inst db_inst_0f2x[] = {
 /*20*/	{ "mov",   TRUE,  LONG,  op2(CR,El),  0 },
 /*21*/	{ "mov",   TRUE,  LONG,  op2(DR,El),  0 },
@@ -431,7 +451,7 @@ static const struct inst db_inst_0fcx[] 
 
 static const struct inst * const db_inst_0f[] = {
 	db_inst_0f0x,
-	0,
+	db_inst_0f1x,
 	db_inst_0f2x,
 	db_inst_0f3x,
 	db_inst_0f4x,

Modified: head/sys/i386/i386/db_disasm.c
==============================================================================
--- head/sys/i386/i386/db_disasm.c	Fri Feb 13 01:20:37 2015	(r278654)
+++ head/sys/i386/i386/db_disasm.c	Fri Feb 13 01:35:53 2015	(r278655)
@@ -195,6 +195,26 @@ static const struct inst db_inst_0f0x[] 
 /*0f*/	{ "",      FALSE, NONE,  0,	      0 },
 };
 
+static const struct inst db_inst_0f1x[] = {
+/*10*/	{ "",      FALSE, NONE,  0,	      0 },
+/*11*/	{ "",      FALSE, NONE,  0,	      0 },
+/*12*/	{ "",      FALSE, NONE,  0,	      0 },
+/*13*/	{ "",      FALSE, NONE,  0,	      0 },
+/*14*/	{ "",      FALSE, NONE,  0,	      0 },
+/*15*/	{ "",      FALSE, NONE,  0,	      0 },
+/*16*/	{ "",      FALSE, NONE,  0,	      0 },
+/*17*/	{ "",      FALSE, NONE,  0,	      0 },
+
+/*18*/	{ "",      FALSE, NONE,  0,	      0 },
+/*19*/	{ "",      FALSE, NONE,  0,	      0 },
+/*1a*/	{ "",      FALSE, NONE,  0,	      0 },
+/*1b*/	{ "",      FALSE, NONE,  0,	      0 },
+/*1c*/	{ "",      FALSE, NONE,  0,	      0 },
+/*1d*/	{ "",      FALSE, NONE,  0,	      0 },
+/*1e*/	{ "",      FALSE, NONE,  0,	      0 },
+/*1f*/	{ "nopl",  TRUE,  SDEP,  0,	      "nopw" },
+};
+
 static const struct inst db_inst_0f2x[] = {
 /*20*/	{ "mov",   TRUE,  LONG,  op2(CR,El),  0 },
 /*21*/	{ "mov",   TRUE,  LONG,  op2(DR,El),  0 },
@@ -356,7 +376,7 @@ static const struct inst db_inst_0fcx[] 
 
 static const struct inst * const db_inst_0f[] = {
 	db_inst_0f0x,
-	0,
+	db_inst_0f1x,
 	db_inst_0f2x,
 	db_inst_0f3x,
 	db_inst_0f4x,