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/*
****************************************************************************
* (C) 2005 - Grzegorz Milos - Intel Reseach Cambridge
****************************************************************************
*
* File: traps.h
* Author: Grzegorz Milos (gm281@cam.ac.uk)
*
* Date: Jun 2005
*
* Environment: Xen Minimal OS
* Description: Deals with traps
*
****************************************************************************
*/
#ifndef _TRAPS_H_
#define _TRAPS_H_
#ifdef __i386__
struct pt_regs {
long ebx;
long ecx;
long edx;
long esi;
long edi;
long ebp;
long eax;
int xds;
int xes;
long orig_eax;
long eip;
int xcs;
long eflags;
long esp;
int xss;
};
#elif __x86_64__
struct pt_regs {
unsigned long r15;
unsigned long r14;
unsigned long r13;
unsigned long r12;
unsigned long rbp;
unsigned long rbx;
/* arguments: non interrupts/non tracing syscalls only save upto here*/
unsigned long r11;
unsigned long r10;
unsigned long r9;
unsigned long r8;
unsigned long rax;
unsigned long rcx;
unsigned long rdx;
unsigned long rsi;
unsigned long rdi;
unsigned long orig_rax;
/* end of arguments */
/* cpu exception frame or undefined */
unsigned long rip;
unsigned long cs;
unsigned long eflags;
unsigned long rsp;
unsigned long ss;
/* top of stack page */
};
#endif
void dump_regs(struct pt_regs *regs);
void stack_walk(void);
#define TRAP_PF_PROT 0x1
#define TRAP_PF_WRITE 0x2
#define TRAP_PF_USER 0x4
#endif /* _TRAPS_H_ */
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