/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2016 Apple Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
- *
- * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* 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. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
+ * 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.
+ *
+ * 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
* Please see the License for the specific language governing rights and
* limitations under the License.
*
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* @OSF_COPYRIGHT@
*/
#include <mach_assert.h>
-#include <mach_kdb.h>
-#include <mach_kgdb.h>
#include <mach_kdp.h>
-#include <cpus.h>
#include <kern/cpu_number.h>
-#include <kern/lock.h>
+#include <kern/kalloc.h>
#include <kern/spl.h>
#include <kern/thread.h>
#include <kern/assert.h>
#include <kern/sched_prim.h>
#include <kern/misc_protos.h>
+#include <kern/clock.h>
+#include <kern/telemetry.h>
+#include <kern/ecc.h>
+#include <kern/kern_cdata.h>
+#include <kern/zalloc.h>
#include <vm/vm_kern.h>
+#include <vm/pmap.h>
#include <stdarg.h>
+#if !(MACH_KDP && CONFIG_KDP_INTERACTIVE_DEBUGGING)
+#include <kdp/kdp_udp.h>
+#endif
-#ifdef __ppc__
-#include <ppc/Firmware.h>
-#include <ppc/low_trace.h>
+#if defined(__i386__) || defined(__x86_64__)
+#include <i386/cpu_threads.h>
+#include <i386/pmCPU.h>
#endif
+#include <IOKit/IOPlatformExpert.h>
+#include <machine/pal_routines.h>
+
+#include <sys/kdebug.h>
+#include <libkern/OSKextLibPrivate.h>
+#include <libkern/OSAtomic.h>
+#include <libkern/kernel_mach_header.h>
+#include <uuid/uuid.h>
+#include <mach_debug/zone_info.h>
+
+#include <os/log_private.h>
+
+#if (defined(__arm64__) || defined(NAND_PANIC_DEVICE)) && !defined(LEGACY_PANIC_LOGS)
+#include <pexpert/pexpert.h> /* For gPanicBase */
+#endif
+
+
unsigned int halt_in_debugger = 0;
unsigned int switch_debugger = 0;
unsigned int current_debugger = 0;
unsigned int active_debugger = 0;
unsigned int debug_mode=0;
-unsigned int disableDebugOuput = TRUE;
+unsigned int disable_debug_output = TRUE;
unsigned int systemLogDiags = FALSE;
-unsigned int logPanicDataToScreen = FALSE;
-#ifdef __ppc__
- unsigned int panicDebugging = FALSE;
-#else
- unsigned int panicDebugging = TRUE;
-#endif
+unsigned int panicDebugging = FALSE;
+unsigned int logPanicDataToScreen = FALSE;
+unsigned int kdebug_serial = FALSE;
+boolean_t lock_panic_mode = FALSE;
int mach_assert = 1;
decl_simple_lock_data(,panic_lock)
int paniccpu;
volatile int panicwait;
-volatile int nestedpanic= 0;
+volatile unsigned int nestedpanic= 0;
unsigned int panic_is_inited = 0;
unsigned int return_on_panic = 0;
-wait_queue_t save_waits[NCPUS];
+unsigned long panic_caller;
-char *debug_buf;
-char *debug_buf_ptr;
+#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
-void
+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;
+ unsigned b: 7;
+ unsigned c: 7;
+ unsigned d: 7;
+ unsigned e: 7;
+ unsigned f: 7;
+ unsigned g: 7;
+ unsigned h: 7;
+} __attribute__((packed));
+
+typedef struct pasc pasc_t;
+
+/* 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,
- const char *expression)
+ const char *expression
+ )
{
+ int saved_return_on_panic;
+
if (!mach_assert) {
+ kprintf("%s:%d non-fatal Assertion: %s", file, line, expression);
return;
}
- panic("{%d} Assertion failed: file \"%s\", line %d: %s\n",
- cpu_number(), file, line, expression);
+
+ saved_return_on_panic = return_on_panic;
+
+ /*
+ * 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);
+
+ return_on_panic = saved_return_on_panic;
}
/*
simple_unlock(&panic_lock); \
MACRO_END
-
void
panic_init(void)
{
- simple_lock_init(&panic_lock, ETAP_NO_TRACE);
+ 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
-panic(const char *str, ...)
+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 = sizeof(debug_buf);
+#endif
+}
+
+#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)
+#else
+#define panic_stop() { while (1) ; }
+#define panic_safe()
+#define panic_normal()
+#endif
+
+/*
+ * 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;
+
+ 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;
-#ifdef __ppc__
- lastTrace = LLTraceSet(0); /* Disable low-level tracing */
+#if defined(__i386__) || defined(__x86_64__)
+ /* Attempt to display the unparsed panic string */
+ const char *tstr = str;
+
+ kprintf("Panic initiated, string: ");
+ while (tstr && *tstr)
+ kprintf("%c", *tstr++);
+ kprintf("\n");
#endif
- thread = current_thread(); /* Get failing thread */
- save_waits[cpu_number()] = thread->wait_queue; /* Save the old value */
- thread->wait_queue = 0; /* Clear the wait so we do not get double panics when we try locks */
+ panic_safe();
if( logPanicDataToScreen )
- disableDebugOuput = FALSE;
+ disable_debug_output = FALSE;
debug_mode = TRUE;
+
restart:
PANIC_LOCK();
+
if (panicstr) {
if (cpu_number() != paniccpu) {
PANIC_UNLOCK();
} 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");
- while(1);
+ // a printf statement here was removed to avoid a panic-loop caused
+ // by a panic from printf
+ panic_stop();
/* NOTREACHED */
}
}
panicwait = 1;
PANIC_UNLOCK();
- kdb_printf("panic(cpu %d): ", (unsigned) paniccpu);
- 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 = save_waits[cpu_number()]; /* 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");
- while(1);
+ panic_stop();
/* NOTREACHED */
}
+#if !DEVELOPMENT && !DEBUG && !defined(__i386__) && !defined(__x86_64__)
+__attribute__((noreturn))
+#endif
void
-log(int level, char *fmt, ...)
+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
+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
}
-void
-debug_log_init(void)
-{
- if (debug_buf_size != 0)
- return;
- if (kmem_alloc(kernel_map, (vm_offset_t *) &debug_buf, PAGE_SIZE) != KERN_SUCCESS)
- panic("cannot allocate debug_buf \n");
- debug_buf_ptr = debug_buf;
- debug_buf_size = PAGE_SIZE;
+/*
+ * 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) < debug_buf_size)) {
+ if ((debug_buf_size != 0) &&
+ ((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)
+{
+ unsigned int i, j = 0;
+ pasc_t pack;
+
+ length = MIN(((length + 7) & ~7), buflen);
+
+ for (i = 0; i < length; i+=8)
+ {
+ pack.a = inbuf[i];
+ pack.b = inbuf[i+1];
+ pack.c = inbuf[i+2];
+ pack.d = inbuf[i+3];
+ pack.e = inbuf[i+4];
+ pack.f = inbuf[i+5];
+ pack.g = inbuf[i+6];
+ pack.h = inbuf[i+7];
+ bcopy ((char *) &pack, inbuf + j, 7);
+ j += 7;
+ }
+ return j;
+}
+
+void unpackA(char *inbuf, uint32_t length)
+{
+ pasc_t packs;
+ unsigned i = 0;
+ length = (length * 8)/7;
+
+ while (i < length) {
+ packs = *(pasc_t *)&inbuf[i];
+ bcopy(&inbuf[i+7], &inbuf[i+8], MAX(0, (int) (length - i - 8)));
+ inbuf[i++] = packs.a;
+ inbuf[i++] = packs.b;
+ inbuf[i++] = packs.c;
+ inbuf[i++] = packs.d;
+ inbuf[i++] = packs.e;
+ inbuf[i++] = packs.f;
+ inbuf[i++] = packs.g;
+ inbuf[i++] = packs.h;
+ }
+}
+
+extern void *proc_name_address(void *p);
+
+static void
+panic_display_process_name(void) {
+ /* 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(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);
+}
+
+unsigned panic_active(void) {
+ return ((panicstr != (char *) 0));
+}
+
+void populate_model_name(char *model_string) {
+ strlcpy(model_name, model_string, sizeof(model_name));
+}
+
+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;
+
+ tmp_model_name[sizeof(tmp_model_name) - 1] = '\0';
+
+ 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) {
+
+ panic_display_process_name();
+ 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();
+ panic_display_uptime();
+ panic_display_zprint();
+#if CONFIG_ZLEAKS
+ panic_display_ztrace();
+#endif /* CONFIG_ZLEAKS */
+ kext_dump_panic_lists(&kdb_log);
+ }
+}
+
+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 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 *);
+
+int kdp_stack_snapshot_geterror(void);
+uint32_t kdp_stack_snapshot_bytes_traced(void);
+
+void *
+kdp_get_interface( void)
+{
+ return(void *)0;
+}
+
+unsigned int
+kdp_get_ip_address(void )
+{ return 0; }
+
+struct kdp_ether_addr
+kdp_get_mac_addr(void)
+{
+ return kdp_current_mac_address;
+}
+
+void
+kdp_set_ip_and_mac_addresses(
+ __unused struct kdp_in_addr *ipaddr,
+ __unused struct kdp_ether_addr *macaddr)
+{}
+
+void
+kdp_set_gateway_mac(__unused void *gatewaymac)
+{}
+
+void
+kdp_set_interface(__unused void *ifp)
+{}
+
+void
+kdp_register_send_receive(__unused void *send, __unused void *receive)
+{}
+
+void
+kdp_unregister_send_receive(__unused void *send, __unused void *receive)
+{}
+
+void kdp_register_link(__unused kdp_link_t link, __unused kdp_mode_t mode)
+{}
+
+void kdp_unregister_link(__unused kdp_link_t link, __unused kdp_mode_t mode)
+{}
+
+#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
projects / apple / xnu.git / blobdiff