1 /*- 2 * Copyright (c) 2008 John Birrell (jb@freebsd.org) 3 * 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 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29 #include <sys/cdefs.h> 30 #include <sys/param.h> 31 #include <sys/types.h> 32 #include <sys/event.h> 33 #include <sys/ptrace.h> 34 #include <rtld_db.h> 35 36 #include "libproc.h" 37 38 struct proc_handle { 39 pid_t pid; /* Process ID. */ 40 int kq; /* Kernel event queue ID. */ 41 int flags; /* Process flags. */ 42 int status; /* Process status (PS_*). */ 43 int wstat; /* Process wait status. */ 44 rd_agent_t *rdap; /* librtld_db agent */ 45 rd_loadobj_t *rdobjs; 46 size_t rdobjsz; 47 size_t nobjs; 48 struct lwpstatus lwps; 49 rd_loadobj_t *rdexec; /* rdobj index of program executable. */ 50 char execname[MAXPATHLEN]; /* Path to program executable. */ 51 }; 52 53 #ifdef DEBUG 54 #define DPRINTF(...) warn(__VA_ARGS__) 55 #define DPRINTFX(...) warnx(__VA_ARGS__) 56 #else 57 #define DPRINTF(...) do { } while (0) 58 #define DPRINTFX(...) do { } while (0) 59 #endif 60