1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2008 John Birrell (jb@freebsd.org) 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 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #ifndef __LIBPROC_H_ 30 #define __LIBPROC_H_ 31 32 #include <sys/types.h> 33 #include <sys/ptrace.h> 34 35 #include <libelf.h> 36 #include <rtld_db.h> 37 38 #include "libproc.h" 39 40 struct procstat; 41 42 struct symtab { 43 Elf_Data *data; 44 u_int nsyms; 45 u_int *index; 46 u_long stridx; 47 }; 48 49 struct file_info { 50 Elf *elf; 51 int fd; 52 u_int refs; 53 GElf_Ehdr ehdr; 54 55 /* Symbol tables, sorted by value. */ 56 struct symtab dynsymtab; 57 struct symtab symtab; 58 }; 59 60 struct map_info { 61 prmap_t map; 62 struct file_info *file; 63 }; 64 65 struct proc_handle { 66 struct proc_handle_public public; /* Public fields. */ 67 int flags; /* Process flags. */ 68 int status; /* Process status (PS_*). */ 69 int wstat; /* Process wait status. */ 70 int model; /* Process data model. */ 71 rd_agent_t *rdap; /* librtld_db agent */ 72 struct map_info *mappings; /* File mappings for proc. */ 73 size_t maparrsz; /* Map array size. */ 74 size_t nmappings; /* Number of mappings. */ 75 size_t exec_map; /* Executable text mapping index. */ 76 lwpstatus_t lwps; /* Process status. */ 77 struct procstat *procstat; /* libprocstat handle. */ 78 char execpath[PATH_MAX]; /* Path to program executable. */ 79 }; 80 81 #ifdef DEBUG 82 #define DPRINTF(...) warn(__VA_ARGS__) 83 #define DPRINTFX(...) warnx(__VA_ARGS__) 84 #else 85 #define DPRINTF(...) do { } while (0) 86 #define DPRINTFX(...) do { } while (0) 87 #endif 88 89 #endif /* __LIBPROC_H_ */ 90