1 /*- 2 * Copyright (c) 1984, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)ptrace.h 8.2 (Berkeley) 1/4/94 34 * $FreeBSD: src/sys/sys/ptrace.h,v 1.10.2.2 2003/01/02 20:39:13 kan Exp $ 35 * $DragonFly: src/sys/sys/ptrace.h,v 1.9 2007/02/03 17:05:59 corecode Exp $ 36 */ 37 38 #ifndef _SYS_PTRACE_H_ 39 #define _SYS_PTRACE_H_ 40 41 #ifndef _SYS_TYPES_H_ 42 #include <sys/types.h> 43 #endif 44 45 #define PT_TRACE_ME 0 /* child declares it's being traced */ 46 #define PT_READ_I 1 /* read word in child's I space */ 47 #define PT_READ_D 2 /* read word in child's D space */ 48 /* was PT_READ_U 3 * read word in child's user structure */ 49 #define PT_WRITE_I 4 /* write word in child's I space */ 50 #define PT_WRITE_D 5 /* write word in child's D space */ 51 /* was PT_WRITE_U 6 * write word in child's user structure */ 52 #define PT_CONTINUE 7 /* continue the child */ 53 #define PT_KILL 8 /* kill the child process */ 54 #define PT_STEP 9 /* single step the child */ 55 56 #define PT_ATTACH 10 /* trace some running process */ 57 #define PT_DETACH 11 /* stop tracing a process */ 58 #define PT_IO 12 /* do I/O to/from stopped process. */ 59 60 #define PT_FIRSTMACH 32 /* for machine-specific requests */ 61 62 #ifndef _MACHINE_PTRACE_H_ 63 #include <machine/ptrace.h> /* machine-specific requests, if any */ 64 #endif 65 66 struct ptrace_io_desc { 67 int piod_op; /* I/O operation */ 68 void *piod_offs; /* child offset */ 69 void *piod_addr; /* parent offset */ 70 size_t piod_len; /* request length */ 71 }; 72 73 /* 74 * Operations in piod_op. 75 */ 76 #define PIOD_READ_D 1 /* Read from D space */ 77 #define PIOD_WRITE_D 2 /* Write to D space */ 78 #define PIOD_READ_I 3 /* Read from I space */ 79 #define PIOD_WRITE_I 4 /* Write to I space */ 80 81 #ifdef _KERNEL 82 83 struct proc; 84 struct lwp; 85 86 void proc_reparent (struct proc *child, struct proc *newparent); 87 int ptrace_set_pc (struct lwp *p, unsigned long addr); 88 int ptrace_single_step (struct lwp *lp); 89 int kern_ptrace (struct proc *p, int req, pid_t pid, void *addr, 90 int data, int *res); 91 92 #else /* !_KERNEL */ 93 94 #ifndef _SYS_CDEFS_H_ 95 #include <sys/cdefs.h> 96 #endif 97 98 __BEGIN_DECLS 99 int ptrace (int, pid_t, caddr_t, int); 100 __END_DECLS 101 102 #endif /* !_KERNEL */ 103 104 #endif /* !_SYS_PTRACE_H_ */ 105