X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/593a1d5fd87cdf5b46dd5fcb84467b432cea0f91..743345f9a4b36f7e2f9ba37691e70c50baecb56e:/osfmk/kern/debug.c diff --git a/osfmk/kern/debug.c b/osfmk/kern/debug.c index 679e1779c..e031b95fd 100644 --- a/osfmk/kern/debug.c +++ b/osfmk/kern/debug.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2000-2007 Apple Inc. All rights reserved. + * Copyright (c) 2000-2016 Apple Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * @@ -55,35 +55,48 @@ */ #include -#include -#include #include #include -#include +#include #include #include #include #include #include +#include +#include +#include +#include +#include #include #include #include -#if !MACH_KDP +#if !(MACH_KDP && CONFIG_KDP_INTERACTIVE_DEBUGGING) #include #endif -#ifdef __ppc__ -#include -#include -#endif - -#ifdef __i386__ +#if defined(__i386__) || defined(__x86_64__) #include #include #endif #include +#include + +#include +#include +#include +#include +#include +#include + +#include + +#if (defined(__arm64__) || defined(NAND_PANIC_DEVICE)) && !defined(LEGACY_PANIC_LOGS) +#include /* For gPanicBase */ +#endif + unsigned int halt_in_debugger = 0; unsigned int switch_debugger = 0; @@ -94,6 +107,8 @@ unsigned int disable_debug_output = TRUE; unsigned int systemLogDiags = FALSE; unsigned int panicDebugging = FALSE; unsigned int logPanicDataToScreen = FALSE; +unsigned int kdebug_serial = FALSE; +boolean_t lock_panic_mode = FALSE; int mach_assert = 1; @@ -106,12 +121,29 @@ unsigned int panic_is_inited = 0; unsigned int return_on_panic = 0; unsigned long panic_caller; -char debug_buf[PAGE_SIZE]; -ppnum_t debug_buf_page; -char *debug_buf_ptr; -unsigned int debug_buf_size; +#define DEBUG_BUF_SIZE (3 * PAGE_SIZE) + +/* debug_buf is directly linked with iBoot panic region for ARM64 targets */ +#if (defined(__arm64__) || defined(NAND_PANIC_DEVICE)) && !defined(LEGACY_PANIC_LOGS) +char *debug_buf_addr = NULL; +char *debug_buf_ptr = NULL; +unsigned int debug_buf_size = 0; +#else +char debug_buf[DEBUG_BUF_SIZE]; +__used char *debug_buf_addr = debug_buf; +char *debug_buf_ptr = debug_buf; +unsigned int debug_buf_size = sizeof(debug_buf); +#endif + +char *debug_buf_stackshot_start; +char *debug_buf_stackshot_end; static char model_name[64]; +unsigned char *kernel_uuid; +/* uuid_string_t */ char kernel_uuid_string[37]; + +static spl_t panic_prologue(const char *str); +static void panic_epilogue(spl_t s); struct pasc { unsigned a: 7; @@ -126,25 +158,42 @@ struct pasc { typedef struct pasc pasc_t; -void +/* Prevent CPP from breaking the definition below */ +#ifdef CONFIG_NO_PANIC_STRINGS +#undef Assert +#endif + +int kext_assertions_enable = +#if DEBUG || DEVELOPMENT + TRUE; +#else + FALSE; +#endif + +void __attribute__((noinline)) Assert( const char *file, int line, -#if CONFIG_NO_PANIC_STRINGS - __unused const char *expression -#else const char *expression -#endif ) { int saved_return_on_panic; if (!mach_assert) { + kprintf("%s:%d non-fatal Assertion: %s", file, line, expression); return; } saved_return_on_panic = return_on_panic; - return_on_panic = 1; + + /* + * If we don't have a debugger configured, returning from an + * assert is a bad, bad idea; there is no guarantee that we + * didn't simply assert before we were able to restart the + * platform. + */ + if (current_debugger != NO_CUR_DB) + return_on_panic = 1; panic_plain("%s:%d Assertion failed: %s", file, line, expression); @@ -169,13 +218,25 @@ MACRO_BEGIN \ simple_unlock(&panic_lock); \ MACRO_END - void panic_init(void) { + unsigned long uuidlen = 0; + void *uuid; + + uuid = getuuidfromheader(&_mh_execute_header, &uuidlen); + if ((uuid != NULL) && (uuidlen == sizeof(uuid_t))) { + kernel_uuid = uuid; + uuid_unparse_upper(*(uuid_t *)uuid, kernel_uuid_string); + } + simple_lock_init(&panic_lock, 0); panic_is_inited = 1; panic_caller = 0; + + if (!PE_parse_boot_argn("assertions", &mach_assert, sizeof(mach_assert))) { + mach_assert = 1; + } } void @@ -183,13 +244,23 @@ debug_log_init(void) { if (debug_buf_size != 0) return; +#if (defined(__arm64__) || defined(NAND_PANIC_DEVICE)) && !defined(LEGACY_PANIC_LOGS) + if (!gPanicBase) { + printf("debug_log_init: Error!! gPanicBase is still not initialized\n"); + return; + } + /* Shift debug buf start location and size by 8 bytes for magic header and crc value */ + debug_buf_addr = (char*)gPanicBase + 8; + debug_buf_ptr = debug_buf_addr; + debug_buf_size = gPanicSize - 8; +#else + debug_buf_addr = debug_buf; debug_buf_ptr = debug_buf; - debug_buf_size = PAGE_SIZE; - debug_buf_page = pmap_find_phys(kernel_pmap, - (addr64_t)(uintptr_t)debug_buf_ptr); + debug_buf_size = sizeof(debug_buf); +#endif } -#if __i386__ +#if defined(__i386__) || defined(__x86_64__) #define panic_stop() pmCPUHalt(PM_HALT_PANIC) #define panic_safe() pmSafeMode(x86_lcpu(), PM_SAFE_FL_SAFE) #define panic_normal() pmSafeMode(x86_lcpu(), PM_SAFE_FL_NORMAL) @@ -199,39 +270,56 @@ debug_log_init(void) #define panic_normal() #endif -#undef panic(...) -void -panic(const char *str, ...) +/* + * Prevent CPP from breaking the definition below, + * since all clients get a #define to prepend line numbers + */ +#undef panic + +void _consume_panic_args(int a __unused, ...) +{ + panic("panic"); +} + +extern unsigned int write_trace_on_panic; + +static spl_t +panic_prologue(const char *str) { - va_list listp; spl_t s; - thread_t thread; - wait_queue_t wq; + + if (write_trace_on_panic && kdebug_enable) { + if (get_preemption_level() == 0 && !ml_at_interrupt_context()) { + ml_set_interrupts_enabled(TRUE); + kdbg_dump_trace_to_file("/var/tmp/panic.trace"); + } + } s = splhigh(); disable_preemption(); + /* Locking code should relax some checks at panic time */ + lock_panic_mode = TRUE; - panic_safe(); +#if defined(__i386__) || defined(__x86_64__) + /* Attempt to display the unparsed panic string */ + const char *tstr = str; -#ifdef __ppc__ - lastTrace = LLTraceSet(0); /* Disable low-level tracing */ + kprintf("Panic initiated, string: "); + while (tstr && *tstr) + kprintf("%c", *tstr++); + kprintf("\n"); #endif - thread = current_thread(); /* Get failing thread */ - wq = thread->wait_queue; /* Save the old value */ - thread->wait_queue = NULL; /* Clear the wait so we do not get double panics when we try locks */ + panic_safe(); if( logPanicDataToScreen ) disable_debug_output = FALSE; debug_mode = TRUE; - /* panic_caller is initialized to 0. If set, don't change it */ - if ( ! panic_caller ) - panic_caller = (unsigned long)(char *)__builtin_return_address(0); - restart: PANIC_LOCK(); + if (panicstr) { if (cpu_number() != paniccpu) { PANIC_UNLOCK(); @@ -245,8 +333,10 @@ restart: } else { nestedpanic +=1; PANIC_UNLOCK(); + // Other cores will not be resumed on double panic Debugger("double panic"); - printf("double panic: We are hanging here...\n"); + // a printf statement here was removed to avoid a panic-loop caused + // by a panic from printf panic_stop(); /* NOTREACHED */ } @@ -256,67 +346,206 @@ restart: panicwait = 1; PANIC_UNLOCK(); - kdb_printf("panic(cpu %d caller 0x%08lX): ", (unsigned) paniccpu, panic_caller); - if (str) { - va_start(listp, str); - _doprnt(str, &listp, consdebug_putc, 0); - va_end(listp); - } - kdb_printf("\n"); - /* - * Release panicwait indicator so that other cpus may call Debugger(). - */ - panicwait = 0; - Debugger("panic"); + // halt other cores now in anticipation of the debugger call + return(s); +} + +#if DEVELOPMENT || DEBUG +static void +panic_epilogue(spl_t s) +#else +#if !defined(__i386__) && !defined(__x86_64__) +__attribute__((noreturn)) +#endif +static void +panic_epilogue(__unused spl_t s) +#endif +{ /* * Release panicstr so that we can handle normally other panics. */ PANIC_LOCK(); panicstr = (char *)0; PANIC_UNLOCK(); - thread->wait_queue = wq; /* Restore the wait queue */ +#if DEVELOPMENT || DEBUG if (return_on_panic) { + // resume other cores as we are returning panic_normal(); enable_preemption(); splx(s); return; } - +#endif kdb_printf("panic: We are hanging here...\n"); panic_stop(); /* NOTREACHED */ } +#if !DEVELOPMENT && !DEBUG && !defined(__i386__) && !defined(__x86_64__) +__attribute__((noreturn)) +#endif +void +panic(const char *str, ...) +{ + va_list listp; + spl_t s; + boolean_t old_doprnt_hide_pointers = doprnt_hide_pointers; + +#if defined (__x86_64__) + plctrace_disable(); +#endif + /* panic_caller is initialized to 0. If set, don't change it */ + if ( ! panic_caller ) + panic_caller = (unsigned long)(char *)__builtin_return_address(0); + + + s = panic_prologue(str); + + /* Never hide pointers from panic logs. */ + doprnt_hide_pointers = FALSE; + + kdb_printf("panic(cpu %d caller 0x%lx): ", (unsigned) paniccpu, panic_caller); + if (str) { + va_start(listp, str); + _doprnt(str, &listp, consdebug_putc, 0); + va_end(listp); + } + kdb_printf("\n"); + + /* + * Release panicwait indicator so that other cpus may call Debugger(). + */ + panicwait = 0; + Debugger("panic"); + + doprnt_hide_pointers = old_doprnt_hide_pointers; + + panic_epilogue(s); +} + +/* + * panic_with_options: wraps the panic call in a way that allows us to pass + * a bitmask of specific debugger options. + */ +#if !DEVELOPMENT && !DEBUG && !defined(__i386__) && !defined(__x86_64__) +__attribute__((noreturn)) +#endif +void +panic_with_options(unsigned int reason, void *ctx, uint64_t debugger_options_mask, const char *str, ...) +{ + va_list listp; + spl_t s; + + + /* panic_caller is initialized to 0. If set, don't change it */ + if ( ! panic_caller ) + panic_caller = (unsigned long)(char *)__builtin_return_address(0); + + s = panic_prologue(str); + kdb_printf("panic(cpu %d caller 0x%lx): ", (unsigned) paniccpu, panic_caller); + if (str) { + va_start(listp, str); + _doprnt(str, &listp, consdebug_putc, 0); + va_end(listp); + } + kdb_printf("\n"); + + /* + * Release panicwait indicator so that other cpus may call Debugger(). + */ + panicwait = 0; + DebuggerWithContext(reason, ctx, "panic", debugger_options_mask); + panic_epilogue(s); +} + +#if !DEVELOPMENT && !DEBUG && !defined(__i386__) && !defined(__x86_64__) +__attribute__((noreturn)) +#endif void -log(__unused int level, char *fmt, ...) +panic_context(unsigned int reason, void *ctx, const char *str, ...) +{ + va_list listp; + spl_t s; + + + /* panic_caller is initialized to 0. If set, don't change it */ + if ( ! panic_caller ) + panic_caller = (unsigned long)(char *)__builtin_return_address(0); + + s = panic_prologue(str); + kdb_printf("panic(cpu %d caller 0x%lx): ", (unsigned) paniccpu, panic_caller); + if (str) { + va_start(listp, str); + _doprnt(str, &listp, consdebug_putc, 0); + va_end(listp); + } + kdb_printf("\n"); + + /* + * Release panicwait indicator so that other cpus may call Debugger(). + */ + panicwait = 0; + DebuggerWithContext(reason, ctx, "panic", DEBUGGER_OPTION_NONE); + panic_epilogue(s); +} + +__attribute__((noinline,not_tail_called)) +void log(__unused int level, char *fmt, ...) { + void *caller = __builtin_return_address(0); va_list listp; + va_list listp2; + #ifdef lint level++; #endif /* lint */ #ifdef MACH_BSD - disable_preemption(); va_start(listp, fmt); - _doprnt(fmt, &listp, conslog_putc, 0); - va_end(listp); + va_copy(listp2, listp); + + disable_preemption(); + _doprnt(fmt, &listp, cons_putc_locked, 0); enable_preemption(); + + va_end(listp); + + os_log_with_args(OS_LOG_DEFAULT, OS_LOG_TYPE_DEFAULT, fmt, listp2, caller); + va_end(listp2); #endif } +/* + * Skip appending log messages to the new logging infrastructure in contexts + * where safety is uncertain. These contexts include: + * - When we're in the debugger + * - We're in a panic + * - Interrupts are disabled + * - Or Pre-emption is disabled + * In all the above cases, it is potentially unsafe to log messages. + */ + +boolean_t oslog_is_safe(void) { + return (debug_mode == 0 && + not_in_kdp == 1 && + get_preemption_level() == 0 && + ml_get_interrupts_enabled() == TRUE); +} + void debug_putc(char c) { if ((debug_buf_size != 0) && - ((debug_buf_ptr-debug_buf) < (int)debug_buf_size)) { + ((debug_buf_ptr-debug_buf_addr) < (int)debug_buf_size)) { *debug_buf_ptr=c; debug_buf_ptr++; } } /* In-place packing routines -- inefficient, but they're called at most once. + * Assumes "buflen" is a multiple of 8. */ int packA(char *inbuf, uint32_t length, uint32_t buflen) @@ -324,7 +553,7 @@ int packA(char *inbuf, uint32_t length, uint32_t buflen) unsigned int i, j = 0; pasc_t pack; - length = MIN(((length & ~7) +8), buflen); + length = MIN(((length + 7) & ~7), buflen); for (i = 0; i < length; i+=8) { @@ -339,7 +568,7 @@ int packA(char *inbuf, uint32_t length, uint32_t buflen) bcopy ((char *) &pack, inbuf + j, 7); j += 7; } - return ((length * 7)/8); + return j; } void unpackA(char *inbuf, uint32_t length) @@ -366,12 +595,13 @@ extern void *proc_name_address(void *p); static void panic_display_process_name(void) { - char proc_name[32] = "Unknown"; + /* because of scoping issues len(p_comm) from proc_t is hard coded here */ + char proc_name[17] = "Unknown"; task_t ctask = 0; void *cbsd_info = 0; if (ml_nofault_copy((vm_offset_t)¤t_thread()->task, (vm_offset_t) &ctask, sizeof(task_t)) == sizeof(task_t)) - if(ml_nofault_copy((vm_offset_t)&ctask->bsd_info, (vm_offset_t)&cbsd_info, sizeof(&ctask->bsd_info)) == sizeof(&ctask->bsd_info)) + if(ml_nofault_copy((vm_offset_t)&ctask->bsd_info, (vm_offset_t)&cbsd_info, sizeof(cbsd_info)) == sizeof(cbsd_info)) if (cbsd_info && (ml_nofault_copy((vm_offset_t) proc_name_address(cbsd_info), (vm_offset_t) &proc_name, sizeof(proc_name)) > 0)) proc_name[sizeof(proc_name) - 1] = '\0'; kdb_printf("\nBSD process name corresponding to current thread: %s\n", proc_name); @@ -385,48 +615,188 @@ void populate_model_name(char *model_string) { strlcpy(model_name, model_string, sizeof(model_name)); } -static void panic_display_model_name(void) { +void panic_display_model_name(void) { char tmp_model_name[sizeof(model_name)]; if (ml_nofault_copy((vm_offset_t) &model_name, (vm_offset_t) &tmp_model_name, sizeof(model_name)) != sizeof(model_name)) return; - model_name[sizeof(model_name) - 1] = '\0'; + tmp_model_name[sizeof(tmp_model_name) - 1] = '\0'; - if (model_name[0] != 0) - kdb_printf("System model name: %s\n", model_name); + if (tmp_model_name[0] != 0) + kdb_printf("System model name: %s\n", tmp_model_name); +} + +void panic_display_kernel_uuid(void) { + char tmp_kernel_uuid[sizeof(kernel_uuid_string)]; + + if (ml_nofault_copy((vm_offset_t) &kernel_uuid_string, (vm_offset_t) &tmp_kernel_uuid, sizeof(kernel_uuid_string)) != sizeof(kernel_uuid_string)) + return; + + if (tmp_kernel_uuid[0] != '\0') + kdb_printf("Kernel UUID: %s\n", tmp_kernel_uuid); +} + +void panic_display_kernel_aslr(void) { + if (vm_kernel_slide) { + kdb_printf("Kernel slide: 0x%016lx\n", (unsigned long) vm_kernel_slide); + kdb_printf("Kernel text base: %p\n", (void *) vm_kernel_stext); + } +} + +void panic_display_hibb(void) { +#if defined(__i386__) || defined (__x86_64__) + kdb_printf("__HIB text base: %p\n", (void *) vm_hib_base); +#endif +} + +static void panic_display_uptime(void) { + uint64_t uptime; + absolutetime_to_nanoseconds(mach_absolute_time(), &uptime); + + kdb_printf("\nSystem uptime in nanoseconds: %llu\n", uptime); } extern const char version[]; extern char osversion[]; +static volatile uint32_t config_displayed = 0; + __private_extern__ void panic_display_system_configuration(void) { - static boolean_t config_displayed = FALSE; panic_display_process_name(); - if (config_displayed == FALSE) { + if (OSCompareAndSwap(0, 1, &config_displayed)) { + char buf[256]; + if (strlcpy(buf, PE_boot_args(), sizeof(buf))) + kdb_printf("Boot args: %s\n", buf); kdb_printf("\nMac OS version:\n%s\n", (osversion[0] != 0) ? osversion : "Not yet set"); kdb_printf("\nKernel version:\n%s\n",version); + panic_display_kernel_uuid(); + panic_display_kernel_aslr(); + panic_display_hibb(); + panic_display_pal_info(); panic_display_model_name(); - config_displayed = TRUE; + panic_display_uptime(); + panic_display_zprint(); +#if CONFIG_ZLEAKS + panic_display_ztrace(); +#endif /* CONFIG_ZLEAKS */ + kext_dump_panic_lists(&kdb_log); } } -#if !MACH_KDP -static struct ether_addr kdp_current_mac_address = {{0, 0, 0, 0, 0, 0}}; -unsigned int not_in_kdp = 1; +extern unsigned int stack_total; +extern unsigned long long stack_allocs; + +#if defined(__i386__) || defined (__x86_64__) +extern unsigned int inuse_ptepages_count; +extern long long alloc_ptepages_count; +#endif + +extern boolean_t panic_include_zprint; +extern vm_offset_t panic_kext_memory_info; +extern vm_size_t panic_kext_memory_size; + +__private_extern__ void panic_display_zprint() +{ + if(panic_include_zprint == TRUE) { + + unsigned int i; + struct zone zone_copy; + + kdb_printf("%-20s %10s %10s\n", "Zone Name", "Cur Size", "Free Size"); + for (i = 0; i < num_zones; i++) { + if(ml_nofault_copy((vm_offset_t)(&zone_array[i]), (vm_offset_t)&zone_copy, sizeof(struct zone)) == sizeof(struct zone)) { + if(zone_copy.cur_size > (1024*1024)) { + kdb_printf("%-20s %10lu %10lu\n",zone_copy.zone_name, (uintptr_t)zone_copy.cur_size,(uintptr_t)(zone_copy.countfree * zone_copy.elem_size)); + } + } + } + + kdb_printf("%-20s %10lu\n", "Kernel Stacks", (uintptr_t)(kernel_stack_size * stack_total)); + +#if defined(__i386__) || defined (__x86_64__) + kdb_printf("%-20s %10lu\n", "PageTables",(uintptr_t)(PAGE_SIZE * inuse_ptepages_count)); +#endif + + kdb_printf("%-20s %10lu\n", "Kalloc.Large", (uintptr_t)kalloc_large_total); + if (panic_kext_memory_info) { + mach_memory_info_t *mem_info = (mach_memory_info_t *)panic_kext_memory_info; + kdb_printf("\n%-5s %10s\n", "Kmod", "Size"); + for (i = 0; i < VM_KERN_MEMORY_COUNT + VM_KERN_COUNTER_COUNT; i++) { + if (((mem_info[i].flags & VM_KERN_SITE_TYPE) == VM_KERN_SITE_KMOD) && (mem_info[i].size > (1024 * 1024))) { + kdb_printf("%-5lld %10lld\n", mem_info[i].site, mem_info[i].size); + } + } + } + } +} + +#if CONFIG_ECC_LOGGING +__private_extern__ void panic_display_ecc_errors() +{ + uint32_t count = ecc_log_get_correction_count(); + + if (count > 0) { + kdb_printf("ECC Corrections:%u\n", count); + } +} +#endif /* CONFIG_ECC_LOGGING */ + +#if CONFIG_ZLEAKS +extern boolean_t panic_include_ztrace; +extern struct ztrace* top_ztrace; +void panic_print_symbol_name(vm_address_t search); + +/* + * Prints the backtrace most suspected of being a leaker, if we paniced in the zone allocator. + * top_ztrace and panic_include_ztrace comes from osfmk/kern/zalloc.c + */ +__private_extern__ void panic_display_ztrace(void) +{ + if(panic_include_ztrace == TRUE) { + unsigned int i = 0; + boolean_t keepsyms = FALSE; + + PE_parse_boot_argn("keepsyms", &keepsyms, sizeof (keepsyms)); + struct ztrace top_ztrace_copy; + + /* Make sure not to trip another panic if there's something wrong with memory */ + if(ml_nofault_copy((vm_offset_t)top_ztrace, (vm_offset_t)&top_ztrace_copy, sizeof(struct ztrace)) == sizeof(struct ztrace)) { + kdb_printf("\nBacktrace suspected of leaking: (outstanding bytes: %lu)\n", (uintptr_t)top_ztrace_copy.zt_size); + /* Print the backtrace addresses */ + for (i = 0; (i < top_ztrace_copy.zt_depth && i < MAX_ZTRACE_DEPTH) ; i++) { + kdb_printf("%p ", top_ztrace_copy.zt_stack[i]); + if (keepsyms) { + panic_print_symbol_name((vm_address_t)top_ztrace_copy.zt_stack[i]); + } + kdb_printf("\n"); + } + /* Print any kexts in that backtrace, along with their link addresses so we can properly blame them */ + kmod_panic_dump((vm_offset_t *)&top_ztrace_copy.zt_stack[0], top_ztrace_copy.zt_depth); + } + else { + kdb_printf("\nCan't access top_ztrace...\n"); + } + kdb_printf("\n"); + } +} +#endif /* CONFIG_ZLEAKS */ + +#if ! (MACH_KDP && CONFIG_KDP_INTERACTIVE_DEBUGGING) +static struct kdp_ether_addr kdp_current_mac_address = {{0, 0, 0, 0, 0, 0}}; /* XXX ugly forward declares to stop warnings */ void *kdp_get_interface(void); -void kdp_set_ip_and_mac_addresses(struct in_addr *, struct ether_addr *); +void kdp_set_ip_and_mac_addresses(struct kdp_in_addr *, struct kdp_ether_addr *); void kdp_set_gateway_mac(void *); void kdp_set_interface(void *); void kdp_register_send_receive(void *, void *); void kdp_unregister_send_receive(void *, void *); -void kdp_snapshot_preflight(int, void *, uint32_t, uint32_t); + int kdp_stack_snapshot_geterror(void); -int kdp_stack_snapshot_bytes_traced(void); +uint32_t kdp_stack_snapshot_bytes_traced(void); void * kdp_get_interface( void) @@ -438,7 +808,7 @@ unsigned int kdp_get_ip_address(void ) { return 0; } -struct ether_addr +struct kdp_ether_addr kdp_get_mac_addr(void) { return kdp_current_mac_address; @@ -446,8 +816,8 @@ kdp_get_mac_addr(void) void kdp_set_ip_and_mac_addresses( - __unused struct in_addr *ipaddr, - __unused struct ether_addr *macaddr) + __unused struct kdp_in_addr *ipaddr, + __unused struct kdp_ether_addr *macaddr) {} void @@ -466,21 +836,17 @@ void kdp_unregister_send_receive(__unused void *send, __unused void *receive) {} -void -kdp_snapshot_preflight(__unused int pid, __unused void * tracebuf, - __unused uint32_t tracebuf_size, __unused uint32_t options) +void kdp_register_link(__unused kdp_link_t link, __unused kdp_mode_t mode) {} -int -kdp_stack_snapshot_geterror(void) -{ - return -1; -} +void kdp_unregister_link(__unused kdp_link_t link, __unused kdp_mode_t mode) +{} -int -kdp_stack_snapshot_bytes_traced(void) -{ - return 0; -} +#endif +#if !CONFIG_TELEMETRY +int telemetry_gather(user_addr_t buffer __unused, uint32_t *length __unused, boolean_t mark __unused) +{ + return KERN_NOT_SUPPORTED; +} #endif