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Message-Id: <200808160341.m7G3fkMd022554@wolfmountaingroup.com>
Date: Fri, 15 Aug 2008 21:41:46 -0600
From: jmerkey@...fmountaingroup.com
To: linux-kernel@...r.kernel.org
Subject: [PATCH 2.6.27-rc3 8/28] mdb: add includes and external defines for ia32 specific code
added includes and external defines for ia32 specific code
Signed-off-by: Jeffrey Vernon Merkey (jmerkey@...fmountaingroup.com)
--- a/debug/mdb/mdb-ia32.h 1969-12-31 17:00:00.000000000 -0700
+++ b/debug/mdb/mdb-ia32.h 2008-08-15 15:41:57.000000000 -0600
@@ -0,0 +1,172 @@
+
+/***************************************************************************
+*
+* Copyright (c) 2008 Jeff V. Merkey All Rights Reserved.
+* 1058 East 50 South
+* Lindon, Utah 84042
+* jmerkey@...fmountaingroup.com
+*
+* This program is free software; you can redistribute it and/or modify it
+* under the terms of the GNU General Public License as published by the
+* Free Software Foundation, version 2.
+*
+* This program is distributed in the hope that it will be useful, but
+* WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+* General Public License for more details.
+*
+* You are free to modify and re-distribute this program in accordance
+* with the terms specified in the GNU Public License. The copyright
+* contained in this code is required to be present in any derivative
+* works and you are required to provide the source code for this
+* program as part of any commercial or non-commercial distribution.
+* You are required to respect the rights of the Copyright holders
+* named within this code.
+*
+* jmerkey@...fmountaingroup.com is the official maintainer of
+* this code. You are encouraged to report any bugs, problems, fixes,
+* suggestions, and comments about this software.
+*
+* AUTHOR : Jeff V. Merkey
+* DESCRIP : Merkey's Linux Debugger
+*
+***************************************************************************/
+
+#ifndef _MDB_IA32_H
+#define _MDB_IA32_H
+
+typedef struct _StackFrame {
+ unsigned long tReserved[7];
+ unsigned long *tCR3;
+ unsigned long tEIP;
+ unsigned long tSystemFlags;
+ unsigned long tEAX;
+ unsigned long tECX;
+ unsigned long tEDX;
+ unsigned long tEBX;
+ unsigned long tESP;
+ unsigned long tEBP;
+ unsigned long tESI;
+ unsigned long tEDI;
+ unsigned short tES;
+ unsigned short Res1;
+ unsigned short tCS;
+ unsigned short Res2;
+ unsigned short tSS;
+ unsigned short Res3;
+ unsigned short tDS;
+ unsigned short Res4;
+ unsigned short tFS;
+ unsigned short Res5;
+ unsigned short tGS;
+ unsigned short Res6;
+ unsigned short tLDT;
+ unsigned short Res7;
+ unsigned long tIOMap;
+} StackFrame;
+
+/* 128 bytes total size numeric register context */
+
+typedef struct _NPXREG {
+ unsigned short sig0; /* 10 bytes total size this structure */
+ unsigned short sig1;
+ unsigned short sig2;
+ unsigned short sig3;
+ unsigned short exponent:15;
+ unsigned short sign:1;
+} NUMERIC_REGISTER_CONTEXT;
+
+typedef struct _NPX {
+ unsigned long control;
+ unsigned long status;
+ unsigned long tag;
+ unsigned long eip;
+ unsigned long cs;
+ unsigned long dataptr;
+ unsigned long datasel;
+ NUMERIC_REGISTER_CONTEXT reg[8]; /* 80 bytes */
+ unsigned long pad[5];
+} NUMERIC_FRAME;
+
+/* 128 bytes total size register context */
+
+typedef struct _CONTEXT_FRAME {
+ unsigned short cBackLink;
+ unsigned short cTSSReserved;
+ unsigned long cESP0;
+ unsigned short cSS0;
+ unsigned short cSS0res;
+ unsigned long cESP1;
+ unsigned short cSS1;
+ unsigned short cSS1res;
+ unsigned long cESP2;
+ unsigned short cSS2;
+ unsigned short cSS2res;
+ unsigned long cCR3;
+ unsigned long cEIP;
+ unsigned long cSystemFlags;
+ unsigned long cEAX;
+ unsigned long cECX;
+ unsigned long cEDX;
+ unsigned long cEBX;
+ unsigned long cESP;
+ unsigned long cEBP;
+ unsigned long cESI;
+ unsigned long cEDI;
+ unsigned long cES;
+ unsigned long cCS;
+ unsigned long cSS;
+ unsigned long cDS;
+ unsigned long cFS;
+ unsigned long cGS;
+ unsigned long cLDT;
+ unsigned long cIOPermissMap;
+ unsigned long pad[6];
+} CONTEXT_FRAME;
+
+static inline void _cli(void)
+{
+ __asm__ __volatile__("cli" : : : "memory");
+}
+
+static inline void _sti(void)
+{
+ __asm__ __volatile__("sti" : : : "memory");
+}
+
+static inline unsigned long get_flags(void)
+{
+ unsigned long flags;
+
+ __asm__ __volatile__(
+ "pushfl ; popl %0"
+ : "=g" (flags)
+ : /* no input */
+ );
+ return flags;
+}
+
+static inline unsigned long save_flags(void)
+{
+ unsigned long flags;
+
+ __asm__ __volatile__(
+ "pushfl ; popl %0"
+ : "=g" (flags)
+ : /* no input */
+ );
+ __asm__ __volatile__("cli" : : : "memory");
+ return flags;
+}
+
+static inline void restore_flags(unsigned long flags)
+{
+ __asm__ __volatile__(
+ "pushl %0 ; popfl"
+ :
+ :"g" (flags)
+ :"memory", "cc"
+ );
+}
+
+#endif
--
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