xref: /netbsd-src/sys/arch/amd64/include/ptrace.h (revision bdc22b2e01993381dcefeff2bc9b56ca75a4235c)
1 /*	$NetBSD: ptrace.h,v 1.12 2017/04/12 18:17:59 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 _AMD64_PTRACE_H_
33 #define _AMD64_PTRACE_H_
34 
35 #ifdef __x86_64__
36 /*
37  * i386-dependent ptrace definitions
38  */
39 #define	PT_STEP			(PT_FIRSTMACH + 0)
40 #define	PT_GETREGS		(PT_FIRSTMACH + 1)
41 #define	PT_SETREGS		(PT_FIRSTMACH + 2)
42 #define	PT_GETFPREGS		(PT_FIRSTMACH + 3)
43 #define	PT_SETFPREGS		(PT_FIRSTMACH + 4)
44 #define	PT_GETDBREGS		(PT_FIRSTMACH + 5)
45 #define	PT_SETDBREGS		(PT_FIRSTMACH + 6)
46 #define	PT_SETSTEP		(PT_FIRSTMACH + 7)
47 #define	PT_CLEARSTEP		(PT_FIRSTMACH + 8)
48 
49 #define PT_MACHDEP_STRINGS \
50 	"PT_STEP", \
51 	"PT_GETREGS", \
52 	"PT_SETREGS", \
53 	"PT_GETFPREGS", \
54 	"PT_SETFPREGS", \
55 	"PT_GETDBREGS", \
56 	"PT_SETDBREGS", \
57 	"PT_SETSTEP", \
58 	"PT_CLEARSTEP",
59 
60 #include <machine/reg.h>
61 #define PTRACE_REG_PC(r)	(r)->regs[_REG_RIP]
62 #define PTRACE_REG_SET_PC(r, v)	(r)->regs[_REG_RIP] = (v)
63 #define PTRACE_REG_SP(r)	(r)->regs[_REG_RSP]
64 #define PTRACE_REG_INTRV(r)	(r)->regs[_REG_RAX]
65 
66 #define PTRACE_BREAKPOINT	((const uint8_t[]) { 0xcc })
67 #define PTRACE_BREAKPOINT_ASM	__asm __volatile ("int3" : : : "memory")
68 #define PTRACE_BREAKPOINT_SIZE	1
69 #define PTRACE_BREAKPOINT_ADJ	1
70 
71 #ifdef _KERNEL_OPT
72 #include "opt_compat_netbsd32.h"
73 
74 #ifdef COMPAT_NETBSD32
75 #include <machine/netbsd32_machdep.h>
76 
77 #define process_read_regs32	netbsd32_process_read_regs
78 #define process_read_fpregs32	netbsd32_process_read_fpregs
79 #define process_read_dbregs32	netbsd32_process_read_dbregs
80 
81 #define process_write_regs32	netbsd32_process_write_regs
82 #define process_write_fpregs32	netbsd32_process_write_fpregs
83 #define process_write_dbregs32	netbsd32_process_write_dbregs
84 
85 #define process_reg32		struct reg32
86 #define process_fpreg32		struct fpreg32
87 #define process_dbreg32		struct dbreg32
88 #endif	/* COMPAT_NETBSD32 */
89 #endif	/* _KERNEL_OPT */
90 
91 #else	/* !__x86_64__ */
92 
93 #include <i386/ptrace.h>
94 
95 #endif	/* __x86_64__ */
96 
97 #endif	/* _AMD64_PTRACE_H_ */
98