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      1 /* $NetBSD: ptrace.h,v 1.12 2020/09/07 18:29:48 ryo Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2014 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Matt Thomas of 3am Software Foundry.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #ifndef _AARCH64_PTRACE_H_
     33 #define _AARCH64_PTRACE_H_
     34 
     35 #ifdef __aarch64__
     36 
     37 /*
     38  * AARCH64-dependent ptrace definitions.
     39  */
     40 #define PT_GETREGS	(PT_FIRSTMACH + 0)
     41 #define PT_SETREGS	(PT_FIRSTMACH + 1)
     42 #define PT_GETFPREGS	(PT_FIRSTMACH + 2)
     43 #define PT_SETFPREGS	(PT_FIRSTMACH + 3)
     44 #define PT_STEP		(PT_FIRSTMACH + 4)
     45 #define PT_SETSTEP	(PT_FIRSTMACH + 5)
     46 #define PT_CLEARSTEP	(PT_FIRSTMACH + 6)
     47 
     48 #define PT_MACHDEP_STRINGS \
     49 	"PT_GETREGS", \
     50 	"PT_SETREGS", \
     51 	"PT_GETFPREGS", \
     52 	"PT_SETFPREGS", \
     53 	"PT_STEP", \
     54 	"PT_SETSTEP", \
     55 	"PT_CLEARSTEP",
     56 
     57 
     58 #include <machine/reg.h>
     59 #define PTRACE_REG_PC(r)	(r)->r_pc
     60 #define PTRACE_REG_FP(r)	(r)->r_reg[29]
     61 #define PTRACE_REG_SET_PC(r, v)	(r)->r_pc = (v)
     62 #define PTRACE_REG_SP(r)	(r)->r_sp
     63 #define PTRACE_REG_INTRV(r)	(r)->r_reg[0]
     64 
     65 #define PTRACE_BREAKPOINT	((const uint8_t[]) { 0xa0, 0x01, 0x20, 0xd4 })
     66 #define PTRACE_BREAKPOINT_ASM	__asm __volatile("brk #13" ::: "memory")
     67 #define PTRACE_BREAKPOINT_SIZE	4
     68 
     69 #ifdef _KERNEL_OPT
     70 #include "opt_compat_netbsd32.h"
     71 #endif
     72 
     73 #ifdef COMPAT_NETBSD32
     74 #include <machine/netbsd32_machdep.h>
     75 
     76 #define process_read_regs32	netbsd32_process_read_regs
     77 #define process_read_fpregs32	netbsd32_process_read_fpregs
     78 
     79 #define process_write_regs32	netbsd32_process_write_regs
     80 #define process_write_fpregs32	netbsd32_process_write_fpregs
     81 
     82 #define process_reg32		struct reg32
     83 #define process_fpreg32		struct fpreg32
     84 
     85 #define PTRACE_TRANSLATE_REQUEST32(x) netbsd32_ptrace_translate_request(x)
     86 #endif /* COMPAT_NETBSD32 */
     87 
     88 #elif defined(__arm__)
     89 
     90 #include <arm/ptrace.h>
     91 
     92 #endif
     93 
     94 #endif /* _AARCH64_PTRACE_H_ */
     95