]> git.saurik.com Git - apple/xnu.git/blobdiff - osfmk/i386/trap.h
xnu-4903.270.47.tar.gz
[apple/xnu.git] / osfmk / i386 / trap.h
index 33676cf7581f07475a0427eccb59a2c15b9505c5..fc7df3dfbf8e02039a3f727a73a6508259576446 100644 (file)
@@ -2,7 +2,7 @@
  * Copyright (c) 2000-2012 Apple Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- * 
+ *
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
  * Version 2.0 (the 'License'). You may not use this file except in
  * unlawful or unlicensed copies of an Apple operating system, or to
  * circumvent, violate, or enable the circumvention or violation of, any
  * terms of an Apple operating system software license agreement.
- * 
+ *
  * Please obtain a copy of the License at
  * http://www.opensource.apple.com/apsl/ and read it before using this file.
- * 
+ *
  * The Original Code and all software distributed under the License are
  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  * Please see the License for the specific language governing rights and
  * limitations under the License.
- * 
+ *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /*
  * @OSF_COPYRIGHT@
  */
-/* 
+/*
  * Mach Operating System
  * Copyright (c) 1991,1990 Carnegie Mellon University
  * All Rights Reserved.
- * 
+ *
  * Permission to use, copy, modify and distribute this software and its
  * documentation is hereby granted, provided that both the copyright
  * notice and this permission notice appear in all copies of the
  * software, derivative works or modified versions, and any portions
  * thereof, and that both notices appear in supporting documentation.
- * 
+ *
  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
- * 
+ *
  * Carnegie Mellon requests users of this software to return to
- * 
+ *
  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  *  School of Computer Science
  *  Carnegie Mellon University
  *  Pittsburgh PA 15213-3890
- * 
+ *
  * any improvements or extensions that they make and grant Carnegie Mellon
  * the rights to redistribute these changes.
  */
 /*
  */
 
-#ifndef        _I386_TRAP_H_
-#define        _I386_TRAP_H_
+#ifndef _I386_TRAP_H_
+#define _I386_TRAP_H_
 
 /*
  * Hardware trap vectors for i386.
  */
-#define        T_DIVIDE_ERROR          0
-#define        T_DEBUG                 1
-#define        T_NMI                   2               /* non-maskable interrupt */
-#define        T_INT3                  3               /* int 3 instruction */
-#define        T_OVERFLOW              4               /* overflow test */
-#define        T_OUT_OF_BOUNDS         5               /* bounds check */
-#define        T_INVALID_OPCODE        6               /* invalid op code */
-#define        T_NO_FPU                7               /* no floating point */
-#define        T_DOUBLE_FAULT          8               /* double fault */
-#define        T_FPU_FAULT             9
-#define T_INVALID_TSS          10
-#define        T_SEGMENT_NOT_PRESENT   11
-#define        T_STACK_FAULT           12
-#define        T_GENERAL_PROTECTION    13
-#define        T_PAGE_FAULT            14
+#define T_DIVIDE_ERROR          0
+#define T_DEBUG                 1
+#define T_NMI                   2               /* non-maskable interrupt */
+#define T_INT3                  3               /* int 3 instruction */
+#define T_OVERFLOW              4               /* overflow test */
+#define T_OUT_OF_BOUNDS         5               /* bounds check */
+#define T_INVALID_OPCODE        6               /* invalid op code */
+#define T_NO_FPU                7               /* no floating point */
+#define T_DOUBLE_FAULT          8               /* double fault */
+#define T_FPU_FAULT             9
+#define T_INVALID_TSS           10
+#define T_SEGMENT_NOT_PRESENT   11
+#define T_STACK_FAULT           12
+#define T_GENERAL_PROTECTION    13
+#define T_PAGE_FAULT            14
 /*                             15 */
-#define        T_FLOATING_POINT_ERROR  16
-#define        T_WATCHPOINT            17
-#define T_MACHINE_CHECK                18
+#define T_FLOATING_POINT_ERROR  16
+#define T_WATCHPOINT            17
+#define T_MACHINE_CHECK         18
 #define T_SSE_FLOAT_ERROR       19
 /*                          20-126 */
 #define T_DTRACE_RET            127
  * See also the "software interrupt codes" section of
  * osfmk/mach/i386/syscall_sw.h
  */
-#define        T_SYSENTER              0x84
-#define        T_SYSCALL               0x85
+#define T_SYSENTER              0x84
+#define T_SYSCALL               0x85
 
-#define T_PREEMPT              255
+#define T_PREEMPT               255
 
 #define TRAP_NAMES "divide error", "debug trap", "NMI", "breakpoint", \
-                  "overflow", "bounds check", "invalid opcode", \
-                  "no coprocessor", "double fault", "coprocessor overrun", \
-                  "invalid TSS", "segment not present", "stack bounds", \
-                  "general protection", "page fault", "(reserved)", \
-                  "coprocessor error", "watchpoint", "machine check", "SSE floating point"
+                  "overflow", "bounds check", "invalid opcode", \
+                  "no coprocessor", "double fault", "coprocessor overrun", \
+                  "invalid TSS", "segment not present", "stack bounds", \
+                  "general protection", "page fault", "(reserved)", \
+                  "coprocessor error", "watchpoint", "machine check", "SSE floating point"
 
 /*
  * Page-fault trap codes.
  */
-#define        T_PF_PROT               0x1             /* protection violation */
-#define        T_PF_WRITE              0x2             /* write access */
-#define        T_PF_USER               0x4             /* from user state */
+#define T_PF_PROT               0x1             /* protection violation */
+#define T_PF_WRITE              0x2             /* write access */
+#define T_PF_USER               0x4             /* from user state */
 
-#define        T_PF_RSVD               0x8             /* reserved bit set to 1 */
-#define T_PF_EXECUTE           0x10            /* instruction fetch when NX */
+#define T_PF_RSVD               0x8             /* reserved bit set to 1 */
+#define T_PF_EXECUTE            0x10            /* instruction fetch when NX */
 
 #if !defined(ASSEMBLER) && defined(MACH_KERNEL)
 
 #include <i386/thread.h>
 
-extern void            i386_exception(
-                               int                     exc,
-                               mach_exception_code_t   code,
-                               mach_exception_subcode_t subcode);
+extern void             i386_exception(
+       int                     exc,
+       mach_exception_code_t   code,
+       mach_exception_subcode_t subcode);
 
-extern void            sync_iss_to_iks(x86_saved_state_t *regs);
+extern void             sync_iss_to_iks(x86_saved_state_t *regs);
 
-extern void            sync_iss_to_iks_unconditionally(
-                               x86_saved_state_t       *regs);
+extern void             sync_iss_to_iks_unconditionally(
+       x86_saved_state_t       *regs);
 
-extern void            kernel_trap(x86_saved_state_t *regs, uintptr_t *lo_spp);
+extern void             kernel_trap(x86_saved_state_t *regs, uintptr_t *lo_spp);
 
-extern void            user_trap(x86_saved_state_t *regs);
+extern void             user_trap(x86_saved_state_t *regs);
 
-extern void            interrupt(x86_saved_state_t *regs);
+extern void             interrupt(x86_saved_state_t *regs);
 
-extern void            panic_double_fault64(x86_saved_state_t *regs);
-extern void            panic_machine_check64(x86_saved_state_t *regs);
+extern void             panic_double_fault64(x86_saved_state_t *regs);
+extern void             panic_machine_check64(x86_saved_state_t *regs);
 
 typedef kern_return_t (*perfCallback)(
-                               int                     trapno,
-                               void                    *regs,
-                               uintptr_t               *lo_spp,
-                                     int);
-
-typedef kern_return_t (*perfASTCallback)(ast_t reasons, ast_t *myast);
-
-extern volatile perfCallback perfTrapHook;
-extern volatile perfASTCallback perfASTHook;
-extern volatile perfCallback perfIntHook;
-
-extern void            panic_i386_backtrace(void *, int, const char *, boolean_t, x86_saved_state_t *);
-extern void    print_one_backtrace(pmap_t pmap, vm_offset_t topfp, const char *cur_marker, boolean_t is_64_bit);
-extern void    print_thread_num_that_crashed(task_t task);
-extern void    print_tasks_user_threads(task_t task);
-extern void    print_threads_registers(thread_t thread);
-extern void    print_uuid_info(task_t task);
-extern void    print_launchd_info(void);
+       int                     trapno,
+       void                    *regs,
+       uintptr_t               *lo_spp,
+       int);
+
+extern void             panic_i386_backtrace(void *, int, const char *, boolean_t, x86_saved_state_t *);
+extern void     print_one_backtrace(pmap_t pmap, vm_offset_t topfp, const char *cur_marker, boolean_t is_64_bit);
+extern void     print_thread_num_that_crashed(task_t task);
+extern void     print_tasks_user_threads(task_t task);
+extern void     print_threads_registers(thread_t thread);
+extern void     print_uuid_info(task_t task);
+extern void     print_launchd_info(void);
 
 #if MACH_KDP
-extern boolean_t       kdp_i386_trap(
-                               unsigned int,
-                               x86_saved_state64_t *,
-                               kern_return_t,
-                               vm_offset_t);
+extern boolean_t        kdp_i386_trap(
+       unsigned int,
+       x86_saved_state64_t *,
+       kern_return_t,
+       vm_offset_t);
 #endif /* MACH_KDP */
-#endif /* !ASSEMBLER && MACH_KERNEL */
+#endif  /* !ASSEMBLER && MACH_KERNEL */
 
-#endif /* _I386_TRAP_H_ */
+#endif  /* _I386_TRAP_H_ */