osfmk/kern/debug.h

   1 /*
   2  * Copyright (c) 2000-2005 Apple Computer, 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 #ifndef _KERN_DEBUG_H_
  30 #define _KERN_DEBUG_H_
  31
  32 #include <sys/cdefs.h>
  33
  34 #ifdef  KERNEL_PRIVATE
  35
  36 extern unsigned int     systemLogDiags;
  37
  38 #ifdef MACH_KERNEL_PRIVATE
  39
  40 extern unsigned int     halt_in_debugger;
  41
  42 extern unsigned int     switch_debugger;
  43
  44 extern unsigned int     current_debugger;
  45 #define NO_CUR_DB       0x0
  46 #define KDP_CUR_DB      0x1
  47 #define KDB_CUR_DB      0x2
  48
  49 extern unsigned int     active_debugger;
  50 extern unsigned int     debug_mode;
  51 extern unsigned int     disableDebugOuput;
  52
  53 extern unsigned int     panicDebugging;
  54 extern unsigned int     logPanicDataToScreen;
  55
  56 extern int db_run_mode;
  57
  58 /* modes the system may be running in */
  59
  60 #define STEP_NONE       0
  61 #define STEP_ONCE       1
  62 #define STEP_RETURN     2
  63 #define STEP_CALLT      3
  64 #define STEP_CONTINUE   4
  65 #define STEP_INVISIBLE  5
  66 #define STEP_COUNT      6
  67 #define STEP_TRACE      7       /* Show all calls to functions and returns */
  68
  69 extern const char               *panicstr;
  70 extern volatile unsigned int    nestedpanic;
  71
  72 extern char *debug_buf;
  73 extern char *debug_buf_ptr;
  74 extern unsigned int debug_buf_size;
  75
  76 extern void     debug_log_init(void);
  77 extern void     debug_putc(char);
  78
  79 extern void     panic_init(void);
  80
  81 #endif /* MACH_KERNEL_PRIVATE */
  82
  83 #define DB_HALT         0x1
  84 #define DB_PRT          0x2
  85 #define DB_NMI          0x4
  86 #define DB_KPRT         0x8
  87 #define DB_KDB          0x10
  88 #define DB_SLOG         0x20
  89 #define DB_ARP          0x40
  90 #define DB_KDP_BP_DIS   0x80
  91 #define DB_LOG_PI_SCRN  0x100
  92 #define DB_KDP_GETC_ENA 0x200
  93
  94 #define DB_KERN_DUMP_ON_PANIC       0x400 /* Trigger core dump on panic*/
  95 #define DB_KERN_DUMP_ON_NMI         0x800 /* Trigger core dump on NMI */
  96 #define DB_DBG_POST_CORE            0x1000 /*Wait in debugger after NMI core */
  97 #define DB_PANICLOG_DUMP            0x2000 /* Send paniclog on panic,not core*/
  98
  99 #endif  /* KERNEL_PRIVATE */
 100
 101 __BEGIN_DECLS
 102
 103 extern void     panic(const char        *string, ...);
 104
 105 __END_DECLS
 106
 107 #endif  /* _KERN_DEBUG_H_ */