root/include/asm-m68k/ptrace.h

INCLUDED FROM

#ifndef _M68K_PTRACE_H
#define _M68K_PTRACE_H

#define PT_D1      0
#define PT_D2      1
#define PT_D3      2
#define PT_D4      3
#define PT_D5      4
#define PT_D6      5
#define PT_D7      6
#define PT_A0      7
#define PT_A1      8
#define PT_A2      9
#define PT_A3      10
#define PT_A4      11
#define PT_A5      12
#define PT_A6      13
#define PT_D0      14
#define PT_USP     15
#define PT_ORIG_D0 16
#define PT_SR      17
#define PT_PC      18

#ifndef __ASSEMBLY__

/* this struct defines the way the registers are stored on the
   stack during a system call. */

struct pt_regs {
  long     d1;
  long     d2;
  long     d3;
  long     d4;
  long     d5;
  long     a0;
  long     a1;
  long     a2;
  long     d0;
  long     orig_d0;
  long     stkadj;
  unsigned short sr;
  unsigned long  pc;
  unsigned format :  4; /* frame format specifier */
  unsigned vector : 12; /* vector offset */
};

/*
 * This is the extended stack used by signal handlers and the context
 * switcher: it's pushed after the normal "struct pt_regs".
 */
struct switch_stack {
        unsigned long  d6;
        unsigned long  d7;
        unsigned long  a3;
        unsigned long  a4;
        unsigned long  a5;
        unsigned long  a6;
        unsigned long  retpc;
};

/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
#define PTRACE_GETREGS            12
#define PTRACE_SETREGS            13
#define PTRACE_GETFPREGS          14
#define PTRACE_SETFPREGS          15

#ifdef __KERNEL__

#ifndef PS_S
#define PS_S  (0x2000)
#define PS_M  (0x1000)
#endif

#define user_mode(regs) (!((regs)->sr & PS_S))
#define instruction_pointer(regs) ((regs)->pc)
#define profile_pc(regs) instruction_pointer(regs)
extern void show_regs(struct pt_regs *);
#endif /* __KERNEL__ */
#endif /* __ASSEMBLY__ */
#endif /* _M68K_PTRACE_H */