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/* $Id: ptrace.h,v 1.1.1.1 2004-04-15 03:00:54 phoenix Exp $ */

#ifndef _SPARC64_PTRACE_H

#define _SPARC64_PTRACE_H

#include <asm/pstate.h>

/* This struct defines the way the registers are stored on the

 * stack during a system call and basically all traps.

 */

#ifndef __ASSEMBLY__

struct pt_regs {

        unsigned long u_regs[16]; /* globals and ins */

        unsigned long tstate;

        unsigned long tpc;

        unsigned long tnpc;

        unsigned int y;

        unsigned int fprs;

};

struct pt_regs32 {

        unsigned int psr;

        unsigned int pc;

        unsigned int npc;

        unsigned int y;

        unsigned int u_regs[16]; /* globals and ins */

};

#define UREG_G0        0

#define UREG_G1        1

#define UREG_G2        2

#define UREG_G3        3

#define UREG_G4        4

#define UREG_G5        5

#define UREG_G6        6

#define UREG_G7        7

#define UREG_I0        8

#define UREG_I1        9

#define UREG_I2        10

#define UREG_I3        11

#define UREG_I4        12

#define UREG_I5        13

#define UREG_I6        14

#define UREG_I7        15

#define UREG_FP        UREG_I6

#define UREG_RETPC     UREG_I7

/* A V9 register window */

struct reg_window {

        unsigned long locals[8];

        unsigned long ins[8];

};

/* A 32-bit register window. */

struct reg_window32 {

        unsigned int locals[8];

        unsigned int ins[8];

};

/* A V9 Sparc stack frame */

struct sparc_stackf {

        unsigned long locals[8];

        unsigned long ins[6];

        struct sparc_stackf *fp;

        unsigned long callers_pc;

        char *structptr;

        unsigned long xargs[6];

        unsigned long xxargs[1];

};

/* A 32-bit Sparc stack frame */

struct sparc_stackf32 {

        unsigned int locals[8];

        unsigned int ins[6];

        unsigned int fp;

        unsigned int callers_pc;

        unsigned int structptr;

        unsigned int xargs[6];

        unsigned int xxargs[1];

};

struct sparc_trapf {

        unsigned long locals[8];

        unsigned long ins[8];

        unsigned long _unused;

        struct pt_regs *regs;

};

#define TRACEREG_SZ     sizeof(struct pt_regs)

#define STACKFRAME_SZ   sizeof(struct sparc_stackf)

#define TRACEREG32_SZ   sizeof(struct pt_regs32)

#define STACKFRAME32_SZ sizeof(struct sparc_stackf32)

#ifdef __KERNEL__

#define user_mode(regs) (!((regs)->tstate & TSTATE_PRIV))

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

extern void show_regs(struct pt_regs *);

#define force_successful_syscall_return() \

do { \

        current->thread.flags |= SPARC_FLAG_SYS_SUCCESS; \

} while (0)

#endif

#else /* __ASSEMBLY__ */

/* For assembly code. */

#define TRACEREG_SZ             0xa0

#define STACKFRAME_SZ           0xc0

#define TRACEREG32_SZ           0x50

#define STACKFRAME32_SZ         0x60

#include <asm/asm_offsets.h>

#endif

#ifdef __KERNEL__

#define STACK_BIAS              2047

#endif

/* These are for pt_regs. */

#define PT_V9_G0     0x00

#define PT_V9_G1     0x08

#define PT_V9_G2     0x10

#define PT_V9_G3     0x18

#define PT_V9_G4     0x20

#define PT_V9_G5     0x28

#define PT_V9_G6     0x30

#define PT_V9_G7     0x38

#define PT_V9_I0     0x40

#define PT_V9_I1     0x48

#define PT_V9_I2     0x50

#define PT_V9_I3     0x58

#define PT_V9_I4     0x60

#define PT_V9_I5     0x68

#define PT_V9_I6     0x70

#define PT_V9_FP     PT_V9_I6

#define PT_V9_I7     0x78

#define PT_V9_TSTATE 0x80

#define PT_V9_TPC    0x88

#define PT_V9_TNPC   0x90

#define PT_V9_Y      0x98

#define PT_V9_FPRS   0x9c

#define PT_TSTATE       PT_V9_TSTATE

#define PT_TPC          PT_V9_TPC

#define PT_TNPC         PT_V9_TNPC

/* These for pt_regs32. */

#define PT_PSR    0x0

#define PT_PC     0x4

#define PT_NPC    0x8

#define PT_Y      0xc

#define PT_G0     0x10

#define PT_WIM    PT_G0

#define PT_G1     0x14

#define PT_G2     0x18

#define PT_G3     0x1c

#define PT_G4     0x20

#define PT_G5     0x24

#define PT_G6     0x28

#define PT_G7     0x2c

#define PT_I0     0x30

#define PT_I1     0x34

#define PT_I2     0x38

#define PT_I3     0x3c

#define PT_I4     0x40

#define PT_I5     0x44

#define PT_I6     0x48

#define PT_FP     PT_I6

#define PT_I7     0x4c

/* Reg_window offsets */

#define RW_V9_L0     0x00

#define RW_V9_L1     0x08

#define RW_V9_L2     0x10

#define RW_V9_L3     0x18

#define RW_V9_L4     0x20

#define RW_V9_L5     0x28

#define RW_V9_L6     0x30

#define RW_V9_L7     0x38

#define RW_V9_I0     0x40

#define RW_V9_I1     0x48

#define RW_V9_I2     0x50

#define RW_V9_I3     0x58

#define RW_V9_I4     0x60

#define RW_V9_I5     0x68

#define RW_V9_I6     0x70

#define RW_V9_I7     0x78

#define RW_L0     0x00

#define RW_L1     0x04

#define RW_L2     0x08

#define RW_L3     0x0c

#define RW_L4     0x10

#define RW_L5     0x14

#define RW_L6     0x18

#define RW_L7     0x1c

#define RW_I0     0x20

#define RW_I1     0x24

#define RW_I2     0x28

#define RW_I3     0x2c

#define RW_I4     0x30

#define RW_I5     0x34

#define RW_I6     0x38

#define RW_I7     0x3c

/* Stack_frame offsets */

#define SF_V9_L0     0x00

#define SF_V9_L1     0x08

#define SF_V9_L2     0x10

#define SF_V9_L3     0x18

#define SF_V9_L4     0x20

#define SF_V9_L5     0x28

#define SF_V9_L6     0x30

#define SF_V9_L7     0x38

#define SF_V9_I0     0x40

#define SF_V9_I1     0x48

#define SF_V9_I2     0x50

#define SF_V9_I3     0x58

#define SF_V9_I4     0x60

#define SF_V9_I5     0x68

#define SF_V9_FP     0x70

#define SF_V9_PC     0x78

#define SF_V9_RETP   0x80

#define SF_V9_XARG0  0x88

#define SF_V9_XARG1  0x90

#define SF_V9_XARG2  0x98

#define SF_V9_XARG3  0xa0

#define SF_V9_XARG4  0xa8

#define SF_V9_XARG5  0xb0

#define SF_V9_XXARG  0xb8

#define SF_L0     0x00

#define SF_L1     0x04

#define SF_L2     0x08

#define SF_L3     0x0c

#define SF_L4     0x10

#define SF_L5     0x14

#define SF_L6     0x18

#define SF_L7     0x1c

#define SF_I0     0x20

#define SF_I1     0x24

#define SF_I2     0x28

#define SF_I3     0x2c

#define SF_I4     0x30

#define SF_I5     0x34

#define SF_FP     0x38

#define SF_PC     0x3c

#define SF_RETP   0x40

#define SF_XARG0  0x44

#define SF_XARG1  0x48

#define SF_XARG2  0x4c

#define SF_XARG3  0x50

#define SF_XARG4  0x54

#define SF_XARG5  0x58

#define SF_XXARG  0x5c

/* Stuff for the ptrace system call */

#define PTRACE_SUNATTACH          10

#define PTRACE_SUNDETACH          11

#define PTRACE_GETREGS            12

#define PTRACE_SETREGS            13

#define PTRACE_GETFPREGS          14

#define PTRACE_SETFPREGS          15

#define PTRACE_READDATA           16

#define PTRACE_WRITEDATA          17

#define PTRACE_READTEXT           18

#define PTRACE_WRITETEXT          19

#define PTRACE_GETFPAREGS         20

#define PTRACE_SETFPAREGS         21

/* There are for debugging 64-bit processes, either from a 32 or 64 bit

 * parent.  Thus their compliments are for debugging 32-bit processes only.

 */

#define PTRACE_GETREGS64          22

#define PTRACE_SETREGS64          23

/* PTRACE_SYSCALL is 24 */

#define PTRACE_GETFPREGS64        25

#define PTRACE_SETFPREGS64        26

#define PTRACE_GETUCODE           29  /* stupid bsd-ism */

/* These are for 32-bit processes debugging 64-bit ones.

 * Here addr and addr2 are passed in %g2 and %g3 respectively.

 */

#define PTRACE_PEEKTEXT64         (30 + PTRACE_PEEKTEXT)

#define PTRACE_POKETEXT64         (30 + PTRACE_POKETEXT)

#define PTRACE_PEEKDATA64         (30 + PTRACE_PEEKDATA)

#define PTRACE_POKEDATA64         (30 + PTRACE_POKEDATA)

#define PTRACE_READDATA64         (30 + PTRACE_READDATA)

#define PTRACE_WRITEDATA64        (30 + PTRACE_WRITEDATA)

#define PTRACE_READTEXT64         (30 + PTRACE_READTEXT)

#define PTRACE_WRITETEXT64        (30 + PTRACE_WRITETEXT)

#endif /* !(_SPARC64_PTRACE_H) */