root/arch/m68k/include/uapi/asm/ptrace.h
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _UAPI_M68K_PTRACE_H
#define _UAPI_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 __ASSEMBLER__

/* 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;
#ifdef __mcoldfire__
  unsigned format :  4; /* frame format specifier */
  unsigned vector : 12; /* vector offset */
  unsigned short sr;
  unsigned long  pc;
#else
  unsigned short sr;
  unsigned long  pc;
  unsigned format :  4; /* frame format specifier */
  unsigned vector : 12; /* vector offset */
#endif
};

/*
 * 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

#define PTRACE_GET_THREAD_AREA    25

#define PTRACE_GETFDPIC 31

#define PTRACE_SINGLEBLOCK      33      /* resume execution until next branch */

#define PTRACE_GETFDPIC_EXEC    0
#define PTRACE_GETFDPIC_INTERP  1

#endif /* __ASSEMBLER__ */
#endif /* _UAPI_M68K_PTRACE_H */