/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2007 Apple Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_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 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.
*
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * 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,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * 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_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
+
#ifndef _KERN_DEBUG_H_
#define _KERN_DEBUG_H_
+#include <sys/cdefs.h>
+#include <stdint.h>
+
+#ifdef __APPLE_API_PRIVATE
+#ifdef __APPLE_API_UNSTABLE
+
+struct thread_snapshot {
+ uint32_t snapshot_magic;
+ uint32_t nkern_frames;
+ uint32_t nuser_frames;
+ int32_t pid;
+ uint64_t wait_event;
+ uint64_t continuation;
+ uint64_t thread_id;
+ int32_t state;
+ char ss_flags;
+ /* We restrict ourselves to a statically defined
+ * (current as of 2009) length for the
+ * p_comm string, due to scoping issues (osfmk/bsd and user/kernel
+ * binary compatibility).
+ */
+ char p_comm[17];
+} __attribute__ ((packed));
+
+enum {
+ kUser64_p = 0x1,
+ kKernel64_p = 0x2,
+ kHasDispatchSerial = 0x4
+};
+
+enum {STACKSHOT_GET_DQ = 1};
+#define STACKSHOT_DISPATCH_OFFSET_MASK 0xffff0000
+#define STACKSHOT_DISPATCH_OFFSET_SHIFT 16
+
+#endif /* __APPLE_API_UNSTABLE */
+#endif /* __APPLE_API_PRIVATE */
+
+#ifdef KERNEL_PRIVATE
extern unsigned int systemLogDiags;
+extern char debug_buf[];
#ifdef MACH_KERNEL_PRIVATE
extern unsigned int active_debugger;
extern unsigned int debug_mode;
-extern unsigned int disableDebugOuput;
+extern unsigned int disable_debug_output;
+
+extern unsigned int panicDebugging;
+extern unsigned int logPanicDataToScreen;
extern int db_run_mode;
#define STEP_COUNT 6
#define STEP_TRACE 7 /* Show all calls to functions and returns */
-extern char *panicstr;
+extern const char *panicstr;
+extern volatile unsigned int nestedpanic;
+extern int unsigned long panic_caller;
+
+extern char *debug_buf_ptr;
+extern unsigned int debug_buf_size;
+
+extern void debug_log_init(void);
+extern void debug_putc(char);
+
+extern void panic_init(void);
+
+int packA(char *inbuf, uint32_t length, uint32_t buflen);
+void unpackA(char *inbuf, uint32_t length);
-extern unsigned int nestedpanic;
+void panic_display_system_configuration(void);
+void panic_display_zprint(void);
#endif /* MACH_KERNEL_PRIVATE */
#define DB_KPRT 0x8
#define DB_KDB 0x10
#define DB_SLOG 0x20
+#define DB_ARP 0x40
+#define DB_KDP_BP_DIS 0x80
+#define DB_LOG_PI_SCRN 0x100
+#define DB_KDP_GETC_ENA 0x200
+
+#define DB_KERN_DUMP_ON_PANIC 0x400 /* Trigger core dump on panic*/
+#define DB_KERN_DUMP_ON_NMI 0x800 /* Trigger core dump on NMI */
+#define DB_DBG_POST_CORE 0x1000 /*Wait in debugger after NMI core */
+#define DB_PANICLOG_DUMP 0x2000 /* Send paniclog on panic,not core*/
+#define DB_REBOOT_POST_CORE 0x4000 /* Attempt to reboot after
+ * post-panic crashdump/paniclog
+ * dump.
+ */
+
+#if DEBUG
+/*
+ * For the DEBUG kernel, support the following:
+ * sysctl -w debug.kprint_syscall=<syscall_mask>
+ * sysctl -w debug.kprint_syscall_process=<p_comm>
+ * <syscall_mask> should be an OR of the masks below
+ * for UNIX, MACH, MDEP, or IPC. This debugging aid
+ * assumes the task/process is locked/wired and will
+ * not go away during evaluation. If no process is
+ * specified, all processes will be traced
+ */
+extern int debug_kprint_syscall;
+extern int debug_kprint_current_process(const char **namep);
+#define DEBUG_KPRINT_SYSCALL_PREDICATE_INTERNAL(mask, namep) \
+ ( (debug_kprint_syscall & (mask)) && debug_kprint_current_process(namep) )
+#define DEBUG_KPRINT_SYSCALL_MASK(mask, fmt, args...) do { \
+ const char *dks_name = NULL; \
+ if (DEBUG_KPRINT_SYSCALL_PREDICATE_INTERNAL(mask, &dks_name)) { \
+ kprintf("[%s%s%p]" fmt, dks_name ? dks_name : "", \
+ dks_name ? "@" : "", current_thread(), args); \
+ } \
+ } while (0)
+#else /* !DEBUG */
+#define DEBUG_KPRINT_SYSCALL_PREDICATE_INTERNAL(mask, namep) (0)
+#define DEBUG_KPRINT_SYSCALL_MASK(mask, fmt, args...) do { } while(0)
+#endif /* !DEBUG */
+
+enum {
+ DEBUG_KPRINT_SYSCALL_UNIX_MASK = 1 << 0,
+ DEBUG_KPRINT_SYSCALL_MACH_MASK = 1 << 1,
+ DEBUG_KPRINT_SYSCALL_MDEP_MASK = 1 << 2,
+ DEBUG_KPRINT_SYSCALL_IPC_MASK = 1 << 3
+};
+
+#define DEBUG_KPRINT_SYSCALL_PREDICATE(mask) \
+ DEBUG_KPRINT_SYSCALL_PREDICATE_INTERNAL(mask, NULL)
+#define DEBUG_KPRINT_SYSCALL_UNIX(fmt, args...) \
+ DEBUG_KPRINT_SYSCALL_MASK(DEBUG_KPRINT_SYSCALL_UNIX_MASK,fmt,args)
+#define DEBUG_KPRINT_SYSCALL_MACH(fmt, args...) \
+ DEBUG_KPRINT_SYSCALL_MASK(DEBUG_KPRINT_SYSCALL_MACH_MASK,fmt,args)
+#define DEBUG_KPRINT_SYSCALL_MDEP(fmt, args...) \
+ DEBUG_KPRINT_SYSCALL_MASK(DEBUG_KPRINT_SYSCALL_MDEP_MASK,fmt,args)
+#define DEBUG_KPRINT_SYSCALL_IPC(fmt, args...) \
+ DEBUG_KPRINT_SYSCALL_MASK(DEBUG_KPRINT_SYSCALL_IPC_MASK,fmt,args)
+
+#endif /* KERNEL_PRIVATE */
+
+__BEGIN_DECLS
+
+extern void panic(const char *string, ...) __printflike(1,2);
+
+#if KERNEL_PRIVATE
+void _consume_panic_args(int, ...);
+#endif
+
+#if CONFIG_NO_PANIC_STRINGS
+#if KERNEL_PRIVATE
+#define panic_plain(x, ...) _consume_panic_args( 0, ## __VA_ARGS__ )
+#define panic(x, ...) _consume_panic_args( 0, ## __VA_ARGS__ )
+#else
+#define panic_plain(...) (panic)((char *)0)
+#define panic(...) (panic)((char *)0)
+#endif
+#else /* CONFIGS_NO_PANIC_STRINGS */
+#define panic_plain(ex, ...) \
+ (panic)(ex, ## __VA_ARGS__)
+#define __STRINGIFY(x) #x
+#define LINE_NUMBER(x) __STRINGIFY(x)
+#define PANIC_LOCATION __FILE__ ":" LINE_NUMBER(__LINE__)
+#define panic(ex, ...) \
+ (panic)(# ex "@" PANIC_LOCATION, ## __VA_ARGS__)
+#endif /* CONFIGS_NO_PANIC_STRINGS */
+
+void populate_model_name(char *);
+unsigned panic_active(void);
+__END_DECLS
#endif /* _KERN_DEBUG_H_ */
projects / apple / xnu.git / blobdiff