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1c79356b | 1 | /* |
39236c6e | 2 | * Copyright (c) 2000-2012 Apple Inc. All rights reserved. |
1c79356b | 3 | * |
2d21ac55 | 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
1c79356b | 5 | * |
2d21ac55 A |
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. | |
8f6c56a5 | 14 | * |
2d21ac55 A |
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 | |
8f6c56a5 A |
20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
2d21ac55 A |
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. | |
8f6c56a5 | 25 | * |
2d21ac55 | 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
1c79356b A |
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 Software.Distribution@CS.CMU.EDU | |
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_H_ | |
60 | #define _I386_TRAP_H_ | |
61 | ||
62 | /* | |
63 | * Hardware trap vectors for i386. | |
64 | */ | |
65 | #define T_DIVIDE_ERROR 0 | |
66 | #define T_DEBUG 1 | |
67 | #define T_NMI 2 /* non-maskable interrupt */ | |
68 | #define T_INT3 3 /* int 3 instruction */ | |
69 | #define T_OVERFLOW 4 /* overflow test */ | |
70 | #define T_OUT_OF_BOUNDS 5 /* bounds check */ | |
71 | #define T_INVALID_OPCODE 6 /* invalid op code */ | |
72 | #define T_NO_FPU 7 /* no floating point */ | |
73 | #define T_DOUBLE_FAULT 8 /* double fault */ | |
74 | #define T_FPU_FAULT 9 | |
2d21ac55 | 75 | #define T_INVALID_TSS 10 |
1c79356b A |
76 | #define T_SEGMENT_NOT_PRESENT 11 |
77 | #define T_STACK_FAULT 12 | |
78 | #define T_GENERAL_PROTECTION 13 | |
79 | #define T_PAGE_FAULT 14 | |
80 | /* 15 */ | |
81 | #define T_FLOATING_POINT_ERROR 16 | |
82 | #define T_WATCHPOINT 17 | |
0c530ab8 A |
83 | #define T_MACHINE_CHECK 18 |
84 | #define T_SSE_FLOAT_ERROR 19 | |
2d21ac55 A |
85 | /* 20-126 */ |
86 | #define T_DTRACE_RET 127 | |
b0d623f7 A |
87 | |
88 | /* The SYSENTER and SYSCALL trap numbers are software constructs. | |
89 | * These exceptions are dispatched directly to the system call handlers. | |
90 | * See also the "software interrupt codes" section of | |
91 | * osfmk/mach/i386/syscall_sw.h | |
92 | */ | |
93 | #define T_SYSENTER 0x84 | |
94 | #define T_SYSCALL 0x85 | |
95 | ||
1c79356b A |
96 | #define T_PREEMPT 255 |
97 | ||
98 | #define TRAP_NAMES "divide error", "debug trap", "NMI", "breakpoint", \ | |
99 | "overflow", "bounds check", "invalid opcode", \ | |
100 | "no coprocessor", "double fault", "coprocessor overrun", \ | |
101 | "invalid TSS", "segment not present", "stack bounds", \ | |
102 | "general protection", "page fault", "(reserved)", \ | |
2d21ac55 | 103 | "coprocessor error", "watchpoint", "machine check", "SSE floating point" |
1c79356b A |
104 | |
105 | /* | |
106 | * Page-fault trap codes. | |
107 | */ | |
108 | #define T_PF_PROT 0x1 /* protection violation */ | |
109 | #define T_PF_WRITE 0x2 /* write access */ | |
110 | #define T_PF_USER 0x4 /* from user state */ | |
111 | ||
0c530ab8 A |
112 | #define T_PF_RSVD 0x8 /* reserved bit set to 1 */ |
113 | #define T_PF_EXECUTE 0x10 /* instruction fetch when NX */ | |
0c530ab8 | 114 | |
1c79356b A |
115 | #if !defined(ASSEMBLER) && defined(MACH_KERNEL) |
116 | ||
117 | #include <i386/thread.h> | |
118 | ||
119 | extern void i386_exception( | |
2d21ac55 A |
120 | int exc, |
121 | mach_exception_code_t code, | |
122 | mach_exception_subcode_t subcode); | |
1c79356b | 123 | |
b0d623f7 | 124 | extern void sync_iss_to_iks(x86_saved_state_t *regs); |
0c530ab8 | 125 | |
2d21ac55 A |
126 | extern void sync_iss_to_iks_unconditionally( |
127 | x86_saved_state_t *regs); | |
0c530ab8 | 128 | |
6d2010ae | 129 | extern void kernel_trap(x86_saved_state_t *regs, uintptr_t *lo_spp); |
0c530ab8 A |
130 | |
131 | extern void user_trap(x86_saved_state_t *regs); | |
5d5c5d0d | 132 | |
b0d623f7 | 133 | extern void interrupt(x86_saved_state_t *regs); |
5d5c5d0d | 134 | |
0c530ab8 | 135 | extern void panic_double_fault64(x86_saved_state_t *regs); |
0c530ab8 | 136 | extern void panic_machine_check64(x86_saved_state_t *regs); |
1c79356b | 137 | |
0c530ab8 A |
138 | typedef kern_return_t (*perfCallback)( |
139 | int trapno, | |
140 | void *regs, | |
6d2010ae A |
141 | uintptr_t *lo_spp, |
142 | int); | |
143 | ||
144 | typedef kern_return_t (*perfASTCallback)(ast_t reasons, ast_t *myast); | |
0c530ab8 | 145 | |
b0d623f7 | 146 | extern volatile perfCallback perfTrapHook; |
6d2010ae | 147 | extern volatile perfASTCallback perfASTHook; |
b0d623f7 | 148 | extern volatile perfCallback perfIntHook; |
0c530ab8 | 149 | |
935ed37a | 150 | extern void panic_i386_backtrace(void *, int, const char *, boolean_t, x86_saved_state_t *); |
5ba3f43e | 151 | extern void print_one_backtrace(pmap_t pmap, vm_offset_t topfp, const char *cur_marker, boolean_t is_64_bit); |
3e170ce0 | 152 | extern void print_thread_num_that_crashed(task_t task); |
04b8595b A |
153 | extern void print_tasks_user_threads(task_t task); |
154 | extern void print_threads_registers(thread_t thread); | |
155 | extern void print_uuid_info(task_t task); | |
156 | extern void print_launchd_info(void); | |
157 | ||
0c530ab8 A |
158 | #if MACH_KDP |
159 | extern boolean_t kdp_i386_trap( | |
91447636 | 160 | unsigned int, |
b0d623f7 | 161 | x86_saved_state64_t *, |
91447636 A |
162 | kern_return_t, |
163 | vm_offset_t); | |
164 | #endif /* MACH_KDP */ | |
1c79356b A |
165 | #endif /* !ASSEMBLER && MACH_KERNEL */ |
166 | ||
167 | #endif /* _I386_TRAP_H_ */ |