xnu-1504.9.37.tar.gz

[apple/xnu.git] / osfmk / kern / debug.c

diff --git a/osfmk/kern/debug.c b/osfmk/kern/debug.c
index 599d1670ea0bb220d2dafb7b3d5ff8db69b1026d..39aa1f425972716180df81c687d0f18a59145874 100644 (file)
--- a/osfmk/kern/debug.c
+++ b/osfmk/kern/debug.c
@@ -60,6 +60,7 @@
 #include <mach_kdp.h>
 
 #include <kern/cpu_number.h>
+#include <kern/kalloc.h>
 #include <kern/lock.h>
 #include <kern/spl.h>
 #include <kern/thread.h>
@@ -79,13 +80,16 @@
 #include <ppc/low_trace.h>
 #endif
 
-#ifdef __i386__
+#if defined(__i386__) || defined(__x86_64__)
 #include <i386/cpu_threads.h>
 #include <i386/pmCPU.h>
 #endif
 
 #include <IOKit/IOPlatformExpert.h>
 
+#include <sys/kdebug.h>
+#include <libkern/OSKextLibPrivate.h>
+
 unsigned int   halt_in_debugger = 0;
 unsigned int   switch_debugger = 0;
 unsigned int   current_debugger = 0;
@@ -132,15 +136,16 @@ struct pasc {
 
 typedef struct pasc pasc_t;
 
+/* Prevent CPP from breaking the definition below */
+#if CONFIG_NO_PANIC_STRINGS
+#undef Assert
+#endif
+
 void
 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;
@@ -193,7 +198,7 @@ debug_log_init(void)
        debug_buf_size = sizeof(debug_buf);
 }
 
-#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)
@@ -203,7 +208,17 @@ debug_log_init(void)
 #define panic_normal()
 #endif
 
-#undef panic(...) 
+/*
+ * 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(NULL);
+}
+
 void
 panic(const char *str, ...)
 {
@@ -212,6 +227,10 @@ panic(const char *str, ...)
        thread_t thread;
        wait_queue_t wq;
 
+
+       if (kdebug_enable)
+               kdbg_dump_trace_to_file("/var/tmp/panic.trace");
+
        s = splhigh();
        disable_preemption();
 
@@ -260,7 +279,7 @@ restart:
        panicwait = 1;
 
        PANIC_UNLOCK();
-       kdb_printf("panic(cpu %d caller 0x%08lX): ", (unsigned) paniccpu, panic_caller);
+       kdb_printf("panic(cpu %d caller 0x%lx): ", (unsigned) paniccpu, panic_caller);
        if (str) {
                va_start(listp, str);
                _doprnt(str, &listp, consdebug_putc, 0);
@@ -412,28 +431,32 @@ extern const char version[];
 extern char osversion[];
 
 __private_extern__ void panic_display_system_configuration(void) {
-       static boolean_t config_displayed = FALSE;
+       static volatile boolean_t config_displayed = FALSE;
 
        panic_display_process_name();
        if (config_displayed == FALSE) {
+               config_displayed = TRUE;
                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_model_name();
                panic_display_uptime();
-               config_displayed = TRUE;
+#if    defined(__i386__) || defined(__x86_64__)
+               pmap_pagetable_corruption_msg_log(&kdb_printf);
+#endif /* i386 || x86_64 */
+               panic_display_zprint();
+               kext_dump_panic_lists(&kdb_log);
        }
 }
 
 extern zone_t          first_zone;
 extern unsigned int    num_zones, stack_total;
 
-#if defined(__i386__)
+#if defined(__i386__) || defined (__x86_64__)
 extern unsigned int    inuse_ptepages_count;
 #endif
 
 extern boolean_t       panic_include_zprint;
-extern vm_size_t       kalloc_large_total;
 
 __private_extern__ void panic_display_zprint()
 {
@@ -460,17 +483,18 @@ __private_extern__ void panic_display_zprint()
                        }
                }
 
-               kdb_printf("Kernel Stacks:%lu\n",(uintptr_t)(KERNEL_STACK_SIZE * stack_total));
-#if defined(__i386__)
+               kdb_printf("Kernel Stacks:%lu\n",(uintptr_t)(kernel_stack_size * stack_total));
+
+#if defined(__i386__) || defined (__x86_64__)
                kdb_printf("PageTables:%lu\n",(uintptr_t)(PAGE_SIZE * inuse_ptepages_count));
 #endif
+
                kdb_printf("Kalloc.Large:%lu\n",(uintptr_t)kalloc_large_total);
        }
 }
 
 #if !MACH_KDP
 static struct ether_addr kdp_current_mac_address = {{0, 0, 0, 0, 0, 0}};
-unsigned int not_in_kdp = 1;
 
 /* XXX ugly forward declares to stop warnings */
 void *kdp_get_interface(void);