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 */ 32 33 #ifndef _SYS_PTRACE_H_ 34 #define _SYS_PTRACE_H_ 35 36 #ifndef _SYS_TYPES_H_ 37 #include <sys/types.h> 38 #endif 39 40 #define PT_TRACE_ME 0 /* child declares it's being traced */ 41 #define PT_READ_I 1 /* read word in child's I space */ 42 #define PT_READ_D 2 /* read word in child's D space */ 43 /* was PT_READ_U 3 * read word in child's user structure */ 44 #define PT_WRITE_I 4 /* write word in child's I space */ 45 #define PT_WRITE_D 5 /* write word in child's D space */ 46 /* was PT_WRITE_U 6 * write word in child's user structure */ 47 #define PT_CONTINUE 7 /* continue the child */ 48 #define PT_KILL 8 /* kill the child process */ 49 #define PT_STEP 9 /* single step the child */ 50 51 #define PT_ATTACH 10 /* trace some running process */ 52 #define PT_DETACH 11 /* stop tracing a process */ 53 #define PT_IO 12 /* do I/O to/from stopped process. */ 54 55 #define PT_FIRSTMACH 32 /* for machine-specific requests */ 56 57 #ifndef _MACHINE_PTRACE_H_ 58 #include <machine/ptrace.h> /* machine-specific requests, if any */ 59 #endif 60 61 struct ptrace_io_desc { 62 int piod_op; /* I/O operation */ 63 void *piod_offs; /* child offset */ 64 void *piod_addr; /* parent offset */ 65 size_t piod_len; /* request length */ 66 }; 67 68 /* 69 * Operations in piod_op. 70 */ 71 #define PIOD_READ_D 1 /* Read from D space */ 72 #define PIOD_WRITE_D 2 /* Write to D space */ 73 #define PIOD_READ_I 3 /* Read from I space */ 74 #define PIOD_WRITE_I 4 /* Write to I space */ 75 76 #ifdef _KERNEL 77 78 struct proc; 79 struct lwp; 80 81 void proc_reparent (struct proc *child, struct proc *newparent); 82 int ptrace_set_pc (struct lwp *p, unsigned long addr); 83 int ptrace_single_step (struct lwp *lp); 84 int kern_ptrace (struct proc *p, int req, pid_t pid, void *addr, 85 int data, int *res); 86 87 #else /* !_KERNEL */ 88 89 #ifndef _SYS_CDEFS_H_ 90 #include <sys/cdefs.h> 91 #endif 92 93 __BEGIN_DECLS 94 int ptrace (int, pid_t, caddr_t, int); 95 __END_DECLS 96 97 #endif /* _KERNEL */ 98 99 #endif /* !_SYS_PTRACE_H_ */ 100