X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/593a1d5fd87cdf5b46dd5fcb84467b432cea0f91..e2d2fc5c71f7d145cba7267989251af45e3bb5ba:/osfmk/kern/debug.h diff --git a/osfmk/kern/debug.h b/osfmk/kern/debug.h index e861592e6..66702bc16 100644 --- a/osfmk/kern/debug.h +++ b/osfmk/kern/debug.h @@ -32,10 +32,80 @@ #include #include +#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 @@ -48,12 +118,12 @@ extern unsigned int current_debugger; #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 disable_debug_output; -extern unsigned int panicDebugging; -extern unsigned int logPanicDataToScreen; +extern unsigned int panicDebugging; +extern unsigned int logPanicDataToScreen; extern int db_run_mode; @@ -84,7 +154,10 @@ 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 @@ -98,20 +171,78 @@ void panic_display_system_configuration(void); #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= + * sysctl -w debug.kprint_syscall_process= + * 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__)