struct pt_regs {

#include <asm/sigcontext.h>

  unsigned long gpr[32];

  unsigned long nip;

  unsigned long msr;

  unsigned long orig_gpr3;	/* Used for restarting system calls */

  unsigned long ctr;

  unsigned long link;

  unsigned long xer;

  unsigned long ccr;

  unsigned long mq;		/* 601 only (not used at present) */

				/* Used on APUS to hold IPL value. */

  unsigned long trap;		/* Reason for being here */

  unsigned long dar;		/* Fault registers */

  unsigned long dsisr;

  unsigned long result;		/* Result of a system call */

};

/*

 * Offsets used by 'ptrace' system call interface.

 * These can't be changed without breaking binary compatibility

 * with MkLinux, etc.

 */

#define PT_R0	0

#define PT_R1	1

#define PT_R2	2

#define PT_R3	3

#define PT_R4	4

#define PT_R5	5

#define PT_R6	6

#define PT_R7	7

#define PT_R8	8

#define PT_R9	9

#define PT_R10	10

#define PT_R11	11

#define PT_R12	12

#define PT_R13	13

#define PT_R14	14

#define PT_R15	15

#define PT_R16	16

#define PT_R17	17

#define PT_R18	18

#define PT_R19	19

#define PT_R20	20

#define PT_R21	21

#define PT_R22	22

#define PT_R23	23

#define PT_R24	24

#define PT_R25	25

#define PT_R26	26

#define PT_R27	27

#define PT_R28	28

#define PT_R29	29

#define PT_R30	30

#define PT_R31	31

#define PT_NIP	32

#define PT_MSR	33

#define PT_CTR	35

#define PT_LNK	36

#define PT_XER	37

#define PT_CCR	38

#define PT_MQ	39

#define PT_FPR0	48	/* each FP reg occupies 2 slots in this space */

#define PT_FPR31 (PT_FPR0 + 2*31)

#define PT_FPSCR (PT_FPR0 + 2*32 + 1)