root/sys/sys/kern_ctf.h
/*      $NetBSD: kern_ctf.h,v 1.4 2026/01/04 06:42:30 kre Exp $ */

/*-
 * Copyright (c) 2010 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _SYS_CTF_H_
#define _SYS_CTF_H_

#define CTF_MAGIC       0xcff1  /* magic number identifying header */

struct module;

/*
 * Modules CTF section
 */
typedef struct mod_ctf {
        uint8_t         *ctftab;        /* Decompressed CTF data. */
        int             ctfcnt;         /* Number of CTF data bytes. */
        const Elf_Sym   *symtab;        /* Ptr to the symbol table. */
        int             nsym;           /* Number of symbols. */
        uint32_t        *nmap;          /* symbol id map */
        int             nmapsize;       /* Span of id map */
        const char      *strtab;        /* Ptr to the string table. */
        int             strcnt;         /* Number of string bytes. */
        uint32_t        *ctfoffp;       /* Ptr to array of obj/fnc offsets. */
        uint32_t        *typoffp;       /* Ptr to array of type offsets. */
        long            typlen;         /* number of type data entries. */
        int             ctfalloc;       /* ctftab is alloced */
        bool            fbt_provided;
        int             nenabled;
} mod_ctf_t;

int
mod_ctf_get(struct module *, mod_ctf_t **);

#endif