xref: /freebsd/sys/sys/hwt_record.h (revision df114daef4c48548c3c2b86717612761185ae18f)
1 /*-
2  * Copyright (c) 2023-2025 Ruslan Bukin <br@bsdpad.com>
3  *
4  * This work was supported by Innovate UK project 105694, "Digital Security
5  * by Design (DSbD) Technology Platform Prototype".
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 /* User-visible header. */
30 
31 #ifndef _SYS_HWT_RECORD_H_
32 #define _SYS_HWT_RECORD_H_
33 
34 enum hwt_record_type {
35 	HWT_RECORD_MMAP,
36 	HWT_RECORD_MUNMAP,
37 	HWT_RECORD_EXECUTABLE,
38 	HWT_RECORD_KERNEL,
39 	HWT_RECORD_THREAD_CREATE,
40 	HWT_RECORD_THREAD_SET_NAME,
41 	HWT_RECORD_BUFFER
42 };
43 
44 #ifdef _KERNEL
45 struct hwt_record_entry {
46 	TAILQ_ENTRY(hwt_record_entry)	next;
47 	enum hwt_record_type record_type;
48 	union {
49 		/*
50 		 * Used for MMAP, EXECUTABLE, INTERP,
51 		 * and KERNEL records.
52 		 */
53 		struct {
54 			char *fullpath;
55 			uintptr_t addr;
56 			uintptr_t baseaddr;
57 		};
58 		/* Used for BUFFER records. */
59 		struct {
60 			int buf_id;
61 			int curpage;
62 			vm_offset_t offset;
63 		};
64 		/* Used for THREAD_* records. */
65 		int thread_id;
66 	};
67 };
68 #endif
69 
70 #endif /* !_SYS_HWT_RECORD_H_ */
71