xref: /src/sys/arch/m68k/include/ptrace.h

/*	$NetBSD: ptrace.h,v 1.12.12.1 2020/04/13 08:03:57 martin 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_ */