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      1 /*	$NetBSD: ptrace.h,v 1.13 2019/06/18 21:18:12 kamil Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1993 Christopher G. Demetriou
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *      This product includes software developed by Christopher G. Demetriou.
     18  * 4. The name of the author may not be used to endorse or promote products
     19  *    derived from this software without specific prior written permission
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 #ifndef _M68K_PTRACE_H_
     33 #define _M68K_PTRACE_H_
     34 
     35 /*
     36  * m68k-dependent ptrace definitions
     37  */
     38 #define	PT_STEP		(PT_FIRSTMACH + 0)
     39 #define	PT_GETREGS	(PT_FIRSTMACH + 1)
     40 #define	PT_SETREGS	(PT_FIRSTMACH + 2)
     41 #define	PT_GETFPREGS	(PT_FIRSTMACH + 3)
     42 #define	PT_SETFPREGS	(PT_FIRSTMACH + 4)
     43 #define	PT_SETSTEP	(PT_FIRSTMACH + 5)
     44 #define	PT_CLEARSTEP	(PT_FIRSTMACH + 6)
     45 
     46 #define PT_MACHDEP_STRINGS \
     47 	"PT_STEP", \
     48 	"PT_GETREGS", \
     49 	"PT_SETREGS", \
     50 	"PT_GETFPREGS", \
     51 	"PT_SETFPREGS", \
     52 	"PT_SETSTEP", \
     53 	"PT_CLEARSTEP",
     54 
     55 #include <machine/reg.h>
     56 #define PTRACE_REG_PC(r)	(r)->r_pc
     57 #define PTRACE_REG_FP(r)	(r)->r_regs[14]
     58 #define PTRACE_REG_SET_PC(r, v)	(r)->r_pc = (v)
     59 #define PTRACE_REG_SP(r)	(r)->r_regs[15]
     60 #define PTRACE_REG_INTRV(r)	(r)->r_regs[0]
     61 
     62 #define PTRACE_BREAKPOINT	((const uint8_t[]) { 0x4e, 0x4f })
     63 #define PTRACE_BREAKPOINT_ASM	__asm __volatile("trap #15" ::: "memory")
     64 #define PTRACE_BREAKPOINT_SIZE	2
     65 
     66 #endif /* !_M68K_PTRACE_H_ */
     67