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ptrace.h revision 1.17 
      1 /*	$NetBSD: ptrace.h,v 1.17 2019/11/27 08:56:00 rin 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  * amd64-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 #define	PT_GETXSTATE		(PT_FIRSTMACH + 9)
     49 #define	PT_SETXSTATE		(PT_FIRSTMACH + 10)
     50 
     51 /* We have machine-dependent process tracing needs. */
     52 #define	__HAVE_PTRACE_MACHDEP
     53 
     54 #define PT_MACHDEP_STRINGS \
     55 	"PT_STEP", \
     56 	"PT_GETREGS", \
     57 	"PT_SETREGS", \
     58 	"PT_GETFPREGS", \
     59 	"PT_SETFPREGS", \
     60 	"PT_GETDBREGS", \
     61 	"PT_SETDBREGS", \
     62 	"PT_SETSTEP", \
     63 	"PT_CLEARSTEP", \
     64 	"PT_GETXSTATE", \
     65 	"PT_SETXSTATE"
     66 
     67 #include <machine/reg.h>
     68 #define PTRACE_REG_PC(r)	(r)->regs[_REG_RIP]
     69 #define PTRACE_REG_FP(r)	(r)->regs[_REG_RBP]
     70 #define PTRACE_REG_SET_PC(r, v)	(r)->regs[_REG_RIP] = (v)
     71 #define PTRACE_REG_SP(r)	(r)->regs[_REG_RSP]
     72 #define PTRACE_REG_INTRV(r)	(r)->regs[_REG_RAX]
     73 
     74 #define PTRACE_ILLEGAL_ASM	__asm __volatile ("ud2" : : : "memory")
     75 
     76 #define PTRACE_BREAKPOINT	((const uint8_t[]) { 0xcc })
     77 #define PTRACE_BREAKPOINT_ASM	__asm __volatile ("int3" : : : "memory")
     78 #define PTRACE_BREAKPOINT_SIZE	1
     79 #define PTRACE_BREAKPOINT_ADJ	1
     80 
     81 #ifdef _KERNEL
     82 
     83 /*
     84  * These are used in sys_ptrace() to find good ptrace(2) requests.
     85  */
     86 #define	PTRACE_MACHDEP_REQUEST_CASES					\
     87 	case PT_GETXSTATE:						\
     88 	case PT_SETXSTATE:
     89 
     90 int process_machdep_doxstate(struct lwp *, struct lwp *, struct uio *);
     91 int process_machdep_validxstate(struct proc *);
     92 
     93 #endif /* _KERNEL */
     94 
     95 #ifdef _KERNEL_OPT
     96 #include "opt_compat_netbsd32.h"
     97 
     98 #ifdef COMPAT_NETBSD32
     99 #include <machine/netbsd32_machdep.h>
    100 
    101 #define process_read_regs32	netbsd32_process_read_regs
    102 #define process_read_fpregs32	netbsd32_process_read_fpregs
    103 #define process_read_dbregs32	netbsd32_process_read_dbregs
    104 
    105 #define process_write_regs32	netbsd32_process_write_regs
    106 #define process_write_fpregs32	netbsd32_process_write_fpregs
    107 #define process_write_dbregs32	netbsd32_process_write_dbregs
    108 
    109 #define process_reg32		struct reg32
    110 #define process_fpreg32		struct fpreg32
    111 #define process_dbreg32		struct dbreg32
    112 
    113 #define PTRACE_TRANSLATE_REQUEST32(x) netbsd32_ptrace_translate_request(x)
    114 #endif	/* COMPAT_NETBSD32 */
    115 #endif	/* _KERNEL_OPT */
    116 
    117 #else	/* !__x86_64__ */
    118 
    119 #include <i386/ptrace.h>
    120 
    121 #endif	/* __x86_64__ */
    122 
    123 #endif	/* _AMD64_PTRACE_H_ */
    124