/*
- * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2007 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
#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;
+ uint64_t wait_event;
+ uint64_t continuation;
+ uint64_t thread_id;
+ uint64_t user_time;
+ uint64_t system_time;
+ int32_t state;
+ char ss_flags;
+} __attribute__ ((packed));
+
+struct task_snapshot {
+ uint32_t snapshot_magic;
+ int32_t pid;
+ uint32_t nloadinfos;
+ uint64_t user_time_in_terminated_threads;
+ uint64_t system_time_in_terminated_threads;
+ int suspend_count;
+ int task_size; // pages
+ int faults; // number of page faults
+ int pageins; // number of actual pageins
+ int cow_faults; // number of copy-on-write faults
+ 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));
+
+
+struct mem_snapshot {
+ uint32_t snapshot_magic;
+ uint32_t free_pages;
+ uint32_t active_pages;
+ uint32_t inactive_pages;
+ uint32_t purgeable_pages;
+ uint32_t wired_pages;
+ uint32_t speculative_pages;
+ uint32_t throttled_pages;
+} __attribute__((packed));
+
+enum {
+ kUser64_p = 0x1,
+ kKernel64_p = 0x2,
+ kHasDispatchSerial = 0x4,
+ kTerminatedSnapshot = 0x8
+};
+
+enum {
+ STACKSHOT_GET_DQ = 0x1,
+ STACKSHOT_SAVE_LOADINFO = 0x2,
+ STACKSHOT_GET_GLOBAL_MEM_STATS = 0x4
+};
+
+#define STACKSHOT_THREAD_SNAPSHOT_MAGIC 0xfeedface
+#define STACKSHOT_TASK_SNAPSHOT_MAGIC 0xdecafbad
+#define STACKSHOT_MEM_SNAPSHOT_MAGIC 0xabcddcba
+
+#endif /* __APPLE_API_UNSTABLE */
+#endif /* __APPLE_API_PRIVATE */
#ifdef KERNEL_PRIVATE
extern unsigned int systemLogDiags;
+extern char debug_buf[];
+extern unsigned int debug_boot_arg;
+extern char kernel_uuid[];
#ifdef MACH_KERNEL_PRIVATE
#define KDP_CUR_DB 0x1
#define KDB_CUR_DB 0x2
-extern unsigned int active_debugger;
+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 unsigned int panicDebugging;
+extern unsigned int logPanicDataToScreen;
extern int db_run_mode;
extern const char *panicstr;
extern volatile unsigned int nestedpanic;
+extern int unsigned long panic_caller;
-extern char *debug_buf;
extern char *debug_buf_ptr;
extern unsigned int debug_buf_size;
extern void panic_init(void);
+int packA(char *inbuf, uint32_t length, uint32_t buflen);
+void unpackA(char *inbuf, uint32_t length);
+
+void panic_display_system_configuration(void);
+void panic_display_zprint(void);
+#if CONFIG_ZLEAKS
+void panic_display_ztrace(void);
+#endif /* CONFIG_ZLEAKS */
#endif /* MACH_KERNEL_PRIVATE */
#define DB_HALT 0x1
#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_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, ...) __dead2;
+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