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