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