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#ifndef _CRIS_PTRACE_H

#define _CRIS_PTRACE_H

/* Register numbers in the ptrace system call interface */

#define PT_FRAMETYPE 0

#define PT_ORIG_R10  1

#define PT_R13       2

#define PT_R12       3

#define PT_R11       4

#define PT_R10       5

#define PT_R9        6

#define PT_R8        7

#define PT_R7        8

#define PT_R6        9

#define PT_R5        10

#define PT_R4        11

#define PT_R3        12

#define PT_R2        13

#define PT_R1        14

#define PT_R0        15

#define PT_MOF       16

#define PT_DCCR      17

#define PT_SRP       18

#define PT_IRP       19    /* This is actually the debugged process' PC */

#define PT_CSRINSTR  20    /* CPU Status record remnants -

                              valid if frametype == busfault */

#define PT_CSRADDR   21

#define PT_CSRDATA   22

#define PT_USP       23    /* special case - USP is not in the pt_regs */

#define PT_MAX       23

/* Condition code bit numbers.  The same numbers apply to CCR of course,

   but we use DCCR everywhere else, so let's try and be consistent.  */

#define C_DCCR_BITNR 0

#define V_DCCR_BITNR 1

#define Z_DCCR_BITNR 2

#define N_DCCR_BITNR 3

#define X_DCCR_BITNR 4

#define I_DCCR_BITNR 5

#define B_DCCR_BITNR 6

#define M_DCCR_BITNR 7

#define U_DCCR_BITNR 8

#define P_DCCR_BITNR 9

#define F_DCCR_BITNR 10

/* Frame types */

#define CRIS_FRAME_NORMAL   0 /* normal frame without SBFS stacking */

#define CRIS_FRAME_BUSFAULT 1 /* frame stacked using SBFS, need RBF return

                                 path */

/* pt_regs not only specifices the format in the user-struct during

 * ptrace but is also the frame format used in the kernel prologue/epilogues

 * themselves

 */

struct pt_regs {

        unsigned long frametype;  /* type of stackframe */

        unsigned long orig_r10;

        /* pushed by movem r13, [sp] in SAVE_ALL, movem pushes backwards */

        unsigned long r13;

        unsigned long r12;

        unsigned long r11;

        unsigned long r10;

        unsigned long r9;

        unsigned long r8;

        unsigned long r7;

        unsigned long r6;

        unsigned long r5;

        unsigned long r4;

        unsigned long r3;

        unsigned long r2;

        unsigned long r1;

        unsigned long r0;

        unsigned long mof;

        unsigned long dccr;

        unsigned long srp;

        unsigned long irp; /* This is actually the debugged process' PC */

        unsigned long csrinstr;

        unsigned long csraddr;

        unsigned long csrdata;

};

/* switch_stack is the extra stuff pushed onto the stack in _resume (entry.S)

 * when doing a context-switch. it is used (apart from in resume) when a new

 * thread is made and we need to make _resume (which is starting it for the

 * first time) realise what is going on.

 *

 * Actually, the use is very close to the thread struct (TSS) in that both the

 * switch_stack and the TSS are used to keep thread stuff when switching in

 * _resume.

 */

struct switch_stack {

        unsigned long r9;

        unsigned long r8;

        unsigned long r7;

        unsigned long r6;

        unsigned long r5;

        unsigned long r4;

        unsigned long r3;

        unsigned long r2;

        unsigned long r1;

        unsigned long r0;

        unsigned long return_ip; /* ip that _resume will return to */

};

#ifdef __KERNEL__

/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */

#define PTRACE_GETREGS            12

#define PTRACE_SETREGS            13

/* bit 8 is user-mode flag */

#define user_mode(regs) (((regs)->dccr & 0x100) != 0)

#define instruction_pointer(regs) ((regs)->irp)

extern void show_regs(struct pt_regs *);

#endif

#endif /* _CRIS_PTRACE_H */