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      1 /*	$NetBSD: ptrace.h,v 1.12 2022/06/06 07:22:31 skrll Exp $	*/
      2 
      3 /*	$OpenBSD: ptrace.h,v 1.2 1998/12/01 03:05:44 mickey Exp $	*/
      4 
      5 /*
      6  * Copyright (c) 1998 Michael Shalayeff
      7  * All rights reserved.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     21  * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
     22  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     23  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     24  * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     26  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
     27  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     28  * THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 /*
     32  * MD ptrace definitions
     33  */
     34 #define	PT_STEP		(PT_FIRSTMACH + 0)
     35 #define	PT_GETREGS	(PT_FIRSTMACH + 1)
     36 #define	PT_SETREGS	(PT_FIRSTMACH + 2)
     37 #define	PT_GETFPREGS	(PT_FIRSTMACH + 3)
     38 #define	PT_SETFPREGS	(PT_FIRSTMACH + 4)
     39 #define	PT_SETSTEP	(PT_FIRSTMACH + 5)
     40 #define	PT_CLEARSTEP	(PT_FIRSTMACH + 6)
     41 
     42 #define PT_MACHDEP_STRINGS \
     43 	"PT_STEP", \
     44 	"PT_GETREGS", \
     45 	"PT_SETREGS", \
     46 	"PT_GETFPREGS", \
     47 	"PT_SETFPREGS", \
     48 	"PT_SETSTEP", \
     49 	"PT_CLEARSTEP",
     50 
     51 #include <machine/reg.h>
     52 #define PTRACE_REG_PC(r)	(r)->r_pcoqh
     53 #define PTRACE_REG_FP(r)	(r)->r_regs[3]
     54 #define PTRACE_REG_SET_PC(r, v)	do {	\
     55 	(r)->r_pcoqh = (v);		\
     56 	(r)->r_pcoqt = (v) + 4;		\
     57     } while (/*CONSTCOND*/0)
     58 #define PTRACE_REG_SP(r)	(r)->r_regs[30]
     59 #define PTRACE_REG_INTRV(r)	(r)->r_regs[28]
     60 
     61 #define HPPA_BREAK_GDB		4
     62 #define HPPA_BREAK_GDB_SS	8
     63 
     64 #define PTRACE_BREAKPOINT	((const uint8_t[]) { 0x00, 0x01, 0x00, 0x04 })
     65 #define PTRACE_BREAKPOINT_ASM	__asm __volatile("break	%0, %1" :: "i" (HPPA_BREAK_GDB), "i" (HPPA_BREAK_GDB_SS) : "memory")
     66 #define PTRACE_BREAKPOINT_SIZE	4
     67 
     68 #define PTRACE_ILLEGAL_ASM	__asm __volatile (".word 0x000ff000" : : : "memory")
     69 
     70 #ifdef _KERNEL
     71 #define PTRACE_LWP_GETPRIVATE(l) (l)->l_md.md_regs->tf_cr27
     72 #endif
     73