osfmk/kern/debug.h

   1 /*
   2  * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22
  23 #ifndef _KERN_DEBUG_H_
  24 #define _KERN_DEBUG_H_
  25
  26 #include <sys/cdefs.h>
  27
  28 #ifdef  KERNEL_PRIVATE
  29
  30 extern unsigned int     systemLogDiags;
  31
  32 #ifdef MACH_KERNEL_PRIVATE
  33
  34 extern unsigned int     halt_in_debugger;
  35
  36 extern unsigned int     switch_debugger;
  37
  38 extern unsigned int     current_debugger;
  39 #define NO_CUR_DB       0x0
  40 #define KDP_CUR_DB      0x1
  41 #define KDB_CUR_DB      0x2
  42
  43 extern unsigned int     active_debugger;
  44 extern unsigned int     debug_mode;
  45 extern unsigned int     disableDebugOuput;
  46
  47 extern unsigned int     panicDebugging;
  48 extern unsigned int     logPanicDataToScreen;
  49
  50 extern int db_run_mode;
  51
  52 /* modes the system may be running in */
  53
  54 #define STEP_NONE       0
  55 #define STEP_ONCE       1
  56 #define STEP_RETURN     2
  57 #define STEP_CALLT      3
  58 #define STEP_CONTINUE   4
  59 #define STEP_INVISIBLE  5
  60 #define STEP_COUNT      6
  61 #define STEP_TRACE      7       /* Show all calls to functions and returns */
  62
  63 extern const char               *panicstr;
  64 extern volatile unsigned int    nestedpanic;
  65
  66 extern char *debug_buf;
  67 extern char *debug_buf_ptr;
  68 extern unsigned int debug_buf_size;
  69
  70 extern void     debug_log_init(void);
  71 extern void     debug_putc(char);
  72
  73 extern void     panic_init(void);
  74
  75 #endif /* MACH_KERNEL_PRIVATE */
  76
  77 #define DB_HALT         0x1
  78 #define DB_PRT          0x2
  79 #define DB_NMI          0x4
  80 #define DB_KPRT         0x8
  81 #define DB_KDB          0x10
  82 #define DB_SLOG         0x20
  83 #define DB_ARP          0x40
  84 #define DB_KDP_BP_DIS   0x80
  85 #define DB_LOG_PI_SCRN  0x100
  86 #define DB_KDP_GETC_ENA 0x200
  87
  88 #define DB_KERN_DUMP_ON_PANIC       0x400 /* Trigger core dump on panic*/
  89 #define DB_KERN_DUMP_ON_NMI         0x800 /* Trigger core dump on NMI */
  90 #define DB_DBG_POST_CORE            0x1000 /*Wait in debugger after NMI core */
  91 #define DB_PANICLOG_DUMP            0x2000 /* Send paniclog on panic,not core*/
  92
  93 #endif  /* KERNEL_PRIVATE */
  94
  95 __BEGIN_DECLS
  96
  97 extern void     panic(const char        *string, ...);
  98
  99 __END_DECLS
 100
 101 #endif  /* _KERN_DEBUG_H_ */