/*      $NetBSD: ptrace.h,v 1.13 2019/06/18 21:18:12 kamil Exp $        */

/*
* Copyright (c) 1993 Christopher G. Demetriou
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
*    must display the following acknowledgement:
*      This product includes software developed by Christopher G. Demetriou.
* 4. The name of the author may not be used to endorse or promote products
*    derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _M68K_PTRACE_H_
#define _M68K_PTRACE_H_

/*
* m68k-dependent ptrace definitions
*/
#define PT_STEP         (PT_FIRSTMACH + 0)
#define PT_GETREGS      (PT_FIRSTMACH + 1)
#define PT_SETREGS      (PT_FIRSTMACH + 2)
#define PT_GETFPREGS    (PT_FIRSTMACH + 3)
#define PT_SETFPREGS    (PT_FIRSTMACH + 4)
#define PT_SETSTEP      (PT_FIRSTMACH + 5)
#define PT_CLEARSTEP    (PT_FIRSTMACH + 6)

#define PT_MACHDEP_STRINGS \
       "PT_STEP", \
       "PT_GETREGS", \
       "PT_SETREGS", \
       "PT_GETFPREGS", \
       "PT_SETFPREGS", \
       "PT_SETSTEP", \
       "PT_CLEARSTEP",

#include <machine/reg.h>
#define PTRACE_REG_PC(r)        (r)->r_pc
#define PTRACE_REG_FP(r)        (r)->r_regs[14]
#define PTRACE_REG_SET_PC(r, v) (r)->r_pc = (v)
#define PTRACE_REG_SP(r)        (r)->r_regs[15]
#define PTRACE_REG_INTRV(r)     (r)->r_regs[0]

#define PTRACE_BREAKPOINT       ((const uint8_t[]) { 0x4e, 0x4f })
#define PTRACE_BREAKPOINT_ASM   __asm __volatile("trap #15" ::: "memory")
#define PTRACE_BREAKPOINT_SIZE  2

#endif /* !_M68K_PTRACE_H_ */