Subversion Repositories or1k_soc_on_altera_embedded_dev_kit

#ifndef _OR32_PTRACE_H

#define _OR32_PTRACE_H

#include <asm/spr_defs.h>

/*

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

 * kernel stack during a system call or other kernel entry.

 *

 * this should only contain volatile regs

 * since we can keep non-volatile in the thread_struct

 * should set this up when only volatiles are saved

 * by intr code.

 *

 * Since this is going on the stack, *CARE MUST BE TAKEN* to insure

 * that the overall structure is a multiple of 16 bytes in length.

 *

 * Note that the offsets of the fields in this struct correspond with

 * the values below.

 */

#ifndef __ASSEMBLY__

struct pt_regs {

        long  pc;

        long  sr;

        long  sp;

        long  gprs[30];

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

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

        long  syscallno;  /* Syscall no. (used by strace) */

};

#endif /* __ASSEMBLY__ */

#ifdef __KERNEL__

#define STACK_FRAME_OVERHEAD  0  /* size of minimum stack frame */

/* Size of stack frame allocated when calling signal handler. */

#define __SIGNAL_FRAMESIZE  64

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

#define user_mode(regs) (((regs)->sr & SPR_SR_SM) == 0)

#define profile_pc(regs) instruction_pointer(regs)

#endif /* __KERNEL__ */

/*

 * Offsets used by 'ptrace' system call interface.

 */

#define PC        0

#define SR        4

#define SP        8

#define GPR2      12

#define GPR3      16

#define GPR4      20

#define GPR5      24

#define GPR6      28

#define GPR7      32

#define GPR8      36

#define GPR9      40

#define GPR10     44

#define GPR11     48

#define GPR12     52

#define GPR13     56

#define GPR14     60

#define GPR15     64

#define GPR16     68

#define GPR17     72

#define GPR18     76

#define GPR19     80

#define GPR20     84

#define GPR21     88

#define GPR22     92

#define GPR23     96

#define GPR24     100

#define GPR25     104

#define GPR26     108

#define GPR27     112

#define GPR28     116

#define GPR29     120

#define GPR30     124

#define GPR31     128

#define ORIG_GPR3 132

#define RESULT    136

#define SYSCALLNO 140

#endif /* _OR32_PTRACE_H */