1 /* $NetBSD: kern_ctf.h,v 1.3 2021/04/06 07:56:10 simonb Exp $ */ 2 3 /*- 4 * Copyright (c) 2010 The NetBSD Foundation, Inc. 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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef _SYS_CTF_H_ 30 #define _SYS_CTF_H_ 31 32 #define CTF_MAGIC 0xcff1 /* magic number identifying header */ 33 34 /* 35 * Modules CTF section 36 */ 37 typedef struct mod_ctf { 38 uint8_t *ctftab; /* Decompressed CTF data. */ 39 int ctfcnt; /* Number of CTF data bytes. */ 40 const Elf_Sym *symtab; /* Ptr to the symbol table. */ 41 int nsym; /* Number of symbols. */ 42 uint32_t *nmap; /* symbol id map */ 43 int nmapsize; /* Span of id map */ 44 const char *strtab; /* Ptr to the string table. */ 45 int strcnt; /* Number of string bytes. */ 46 uint32_t *ctfoffp; /* Ptr to array of obj/fnc offsets. */ 47 uint32_t *typoffp; /* Ptr to array of type offsets. */ 48 long typlen; /* number of type data entries. */ 49 int ctfalloc; /* ctftab is alloced */ 50 bool fbt_provided; 51 int nenabled; 52 } mod_ctf_t; 53 54 int 55 mod_ctf_get(struct module *, mod_ctf_t **); 56 57 #endif 58