xnu-4903.270.47.tar.gz

[apple/xnu.git] / osfmk / i386 / trap.h

diff --git a/osfmk/i386/trap.h b/osfmk/i386/trap.h
index 1b90618f36c76045b625efc2ed17ba9c612a0c4a..fc7df3dfbf8e02039a3f727a73a6508259576446 100644 (file)
--- a/osfmk/i386/trap.h
+++ b/osfmk/i386/trap.h
@@ -1,117 +1,161 @@
 /*
 /*

- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2012 Apple Inc. All rights reserved.

  *
  *

- * @APPLE_LICENSE_HEADER_START@
- * 
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License").  You may not use this file except in compliance with the
- * License.  Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
- * 
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * @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
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * 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,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,

- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
- * 
- * @APPLE_LICENSE_HEADER_END@
+ * 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@
  */
  */
 /*
  * @OSF_COPYRIGHT@
  */

-/* 
+/*

  * Mach Operating System
  * Copyright (c) 1991,1990 Carnegie Mellon University
  * All Rights Reserved.
  * 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.
  * 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 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
  * 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
  *  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.
  */
 /*
  */
 
  * 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.
  */
 
 /*
  * 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
-/*                             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 */
 /*                             15 */

-#define        T_FLOATING_POINT_ERROR  16
-#define        T_WATCHPOINT            17
-#define T_PREEMPT              255
+#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
+
+/* The SYSENTER and SYSCALL trap numbers are software constructs.
+ * These exceptions are dispatched directly to the system call handlers.
+ * See also the "software interrupt codes" section of
+ * osfmk/mach/i386/syscall_sw.h
+ */
+#define T_SYSENTER              0x84
+#define T_SYSCALL               0x85
+
+#define T_PREEMPT               255

 
 #define TRAP_NAMES "divide error", "debug trap", "NMI", "breakpoint", \
 
 #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"
+                  "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.
  */
 
 /*
  * 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 */

 
 #if !defined(ASSEMBLER) && defined(MACH_KERNEL)
 
 #include <i386/thread.h>
 
 
 #if !defined(ASSEMBLER) && defined(MACH_KERNEL)
 
 #include <i386/thread.h>
 

-extern void            i386_exception(
-                               int             exc,
-                               int             code,
-                               int             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_unconditionally(
+       x86_saved_state_t       *regs);
+
+extern void             kernel_trap(x86_saved_state_t *regs, uintptr_t *lo_spp);

 
 

-extern void            thread_exception_return(void);
+extern void             user_trap(x86_saved_state_t *regs);

 
 

-extern boolean_t       kernel_trap(
-                               struct i386_saved_state *regs);
+extern void             interrupt(x86_saved_state_t *regs);

 
 

-extern void            panic_trap(
-                               struct i386_saved_state *regs);
+extern void             panic_double_fault64(x86_saved_state_t *regs);
+extern void             panic_machine_check64(x86_saved_state_t *regs);

 
 

-extern void            user_trap(
-                               struct i386_saved_state *regs);
+typedef kern_return_t (*perfCallback)(
+       int                     trapno,
+       void                    *regs,
+       uintptr_t               *lo_spp,
+       int);

 
 

-extern void            i386_astintr(int preemption);
+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);

 
 

-#endif /* !ASSEMBLER && MACH_KERNEL */
+#if MACH_KDP
+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 /* _I386_TRAP_H_ */
+#endif  /* _I386_TRAP_H_ */