osfmk/kern/debug.h

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