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422 giacomo 1
#ifndef _I386_PTRACE_H
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#define _I386_PTRACE_H
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#define EBX 0
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#define ECX 1
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#define EDX 2
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#define ESI 3
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#define EDI 4
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#define EBP 5
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#define EAX 6
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#define DS 7
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#define ES 8
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#define FS 9
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#define GS 10
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#define ORIG_EAX 11
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#define EIP 12
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#define CS  13
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#define EFL 14
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#define UESP 15
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#define SS   16
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#define FRAME_SIZE 17
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/* this struct defines the way the registers are stored on the
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   stack during a system call. */
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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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/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
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#define PTRACE_GETREGS            12
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#define PTRACE_SETREGS            13
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#define PTRACE_GETFPREGS          14
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#define PTRACE_SETFPREGS          15
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#define PTRACE_GETFPXREGS         18
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#define PTRACE_SETFPXREGS         19
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#define PTRACE_OLDSETOPTIONS         21
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#define PTRACE_GET_THREAD_AREA    25
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#define PTRACE_SET_THREAD_AREA    26
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#ifdef __KERNEL__
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#define user_mode(regs) ((VM_MASK & (regs)->eflags) || (3 & (regs)->xcs))
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#define instruction_pointer(regs) ((regs)->eip)
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#endif
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#endif