xref: /xnu-10063.121.3/osfmk/i386/trap_internal.h (revision 2c2f96dc2b9a4408a43d3150ae9c105355ca3daa)
1 /*
2  * Copyright (c) 2000-2023 Apple Inc. All rights reserved.
3  *
4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5  *
6  * This file contains Original Code and/or Modifications of Original Code
7  * as defined in and that are subject to the Apple Public Source License
8  * Version 2.0 (the 'License'). You may not use this file except in
9  * compliance with the License. The rights granted to you under the License
10  * may not be used to create, or enable the creation or redistribution of,
11  * unlawful or unlicensed copies of an Apple operating system, or to
12  * circumvent, violate, or enable the circumvention or violation of, any
13  * terms of an Apple operating system software license agreement.
14  *
15  * Please obtain a copy of the License at
16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17  *
18  * The Original Code and all software distributed under the License are
19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23  * Please see the License for the specific language governing rights and
24  * limitations under the License.
25  *
26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27  */
28 /*
29  * @OSF_COPYRIGHT@
30  */
31 /*
32  * Mach Operating System
33  * Copyright (c) 1991,1990 Carnegie Mellon University
34  * All Rights Reserved.
35  *
36  * Permission to use, copy, modify and distribute this software and its
37  * documentation is hereby granted, provided that both the copyright
38  * notice and this permission notice appear in all copies of the
39  * software, derivative works or modified versions, and any portions
40  * thereof, and that both notices appear in supporting documentation.
41  *
42  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
43  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
44  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
45  *
46  * Carnegie Mellon requests users of this software to return to
47  *
48  *  Software Distribution Coordinator  or  [email protected]
49  *  School of Computer Science
50  *  Carnegie Mellon University
51  *  Pittsburgh PA 15213-3890
52  *
53  * any improvements or extensions that they make and grant Carnegie Mellon
54  * the rights to redistribute these changes.
55  */
56 /*
57  */
58 
59 #ifndef _I386_TRAP_INTERNAL_H_
60 #define _I386_TRAP_INTERNAL_H_
61 
62 #include <i386/trap.h>
63 #include <i386/thread.h>
64 
65 #define DEFAULT_PANIC_ON_TRAP_MASK ((1U << T_INVALID_OPCODE) |  \
66 	(1U << T_GENERAL_PROTECTION) |                          \
67 	(1U << T_PAGE_FAULT) |                                  \
68 	(1U << T_SEGMENT_NOT_PRESENT) |                         \
69 	(1U << T_STACK_FAULT))
70 
71 
72 extern void             i386_exception(
73 	int                     exc,
74 	mach_exception_code_t   code,
75 	mach_exception_subcode_t subcode);
76 
77 extern void             sync_iss_to_iks(x86_saved_state_t *regs);
78 
79 extern void             sync_iss_to_iks_unconditionally(
80 	x86_saved_state_t       *regs);
81 
82 extern void             kernel_trap(x86_saved_state_t *regs, uintptr_t *lo_spp);
83 
84 extern void             user_trap(x86_saved_state_t *regs);
85 
86 extern void             interrupt(x86_saved_state_t *regs);
87 
88 extern void             panic_double_fault64(x86_saved_state_t *regs) __abortlike;
89 extern void             panic_machine_check64(x86_saved_state_t *regs) __abortlike;
90 
91 typedef kern_return_t (*perfCallback)(
92 	int                     trapno,
93 	void                    *regs,
94 	uintptr_t               *lo_spp,
95 	int);
96 
97 extern void             panic_i386_backtrace(void *, int, const char *, boolean_t, x86_saved_state_t *);
98 extern void     print_one_backtrace(pmap_t pmap, vm_offset_t topfp, const char *cur_marker, boolean_t is_64_bit);
99 extern void     print_thread_num_that_crashed(task_t task);
100 extern void     print_tasks_user_threads(task_t task);
101 extern void     print_threads_registers(thread_t thread);
102 extern void     print_uuid_info(task_t task);
103 extern void     print_launchd_info(void);
104 
105 #if MACH_KDP
106 extern boolean_t        kdp_i386_trap(
107 	unsigned int,
108 	x86_saved_state64_t *,
109 	kern_return_t,
110 	vm_offset_t);
111 #endif /* MACH_KDP */
112 
113 #endif /* _I386_TRAP_INTERNAL_H_ */
114