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/* $Id: ptrace.h,v 1.14 2009-01-28 14:38:02 potyra Exp $
*
* Copyright (C) 2004-2009 FAUmachine Team <info@faumachine.org>.
* This program is free software. You can redistribute it and/or modify it
* under the terms of the GNU General Public License, either version 2 of
* the License, or (at your option) any later version. See COPYING.
*/
#ifndef __PTRACE_H_INCLUDED
#define __PTRACE_H_INCLUDED
#include <inttypes.h>
#define ureg(reg) \
union { \
uint32_t e ## reg ## x; \
struct { \
uint16_t reg ## x; \
uint16_t reg ## dummy0; \
} u16; \
struct { \
uint8_t reg ## l; \
uint8_t reg ## h; \
uint16_t reg ## dummy1; \
} u8; \
} reg
struct regs {
unsigned short es; /* saved by interrupt handler */
unsigned short ds;
unsigned short di;
unsigned short si;
unsigned short bp;
ureg(d) __attribute__((__packed__));
ureg(c) __attribute__((__packed__));
ureg(b) __attribute__((__packed__));
ureg(a) __attribute__((__packed__));
unsigned short ip; /* saved by int $xx call */
unsigned short cs;
unsigned short flags;
} __attribute__((__packed__));
#define EAX (regs->a.eax)
#define AX (regs->a.u16.ax)
#define AL (regs->a.u8.al)
#define AH (regs->a.u8.ah)
#define EBX (regs->b.ebx)
#define BX (regs->b.u16.bx)
#define BL (regs->b.u8.bl)
#define BH (regs->b.u8.bh)
#define ECX (regs->c.ecx)
#define CX (regs->c.u16.cx)
#define CL (regs->c.u8.cl)
#define CH (regs->c.u8.ch)
#define EDX (regs->d.edx)
#define DX (regs->d.u16.dx)
#define DL (regs->d.u8.dl)
#define DH (regs->d.u8.dh)
#define BP (regs->bp)
#define SI (regs->si)
#define DI (regs->di)
#define ES (regs->es)
#define DS (regs->ds)
#define IP (regs->ip)
#define CS (regs->cs)
#define F (regs->flags)
#endif /* __PTRACE_H_INCLUDED */
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