xnu-2422.1.72.tar.gz

[apple/xnu.git] / libsyscall / mach / stack_logging_internal.h

diff --git a/libsyscall/mach/stack_logging_internal.h b/libsyscall/mach/stack_logging_internal.h
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+/*
+ * Copyright (c) 2012 Apple 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. 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
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ * 
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
+ */
+
+// These declarations must match those in Libc's stack_logging.h
+
+#include <mach/vm_statistics.h>                // to get VM_FLAGS_ALIAS_MASK
+
+#define stack_logging_type_vm_allocate 16      // mach_vm_allocate, mmap, mach_vm_map, mach_vm_remap, etc
+#define stack_logging_type_vm_deallocate 32    // mach_vm_deallocate or munmap
+#define stack_logging_type_mapped_file_or_shared_mem 128    // a hint that the VM region *might* be a mapped file or shared memory
+
+// For logging VM allocation and deallocation, arg1 here
+// is the mach_port_name_t of the target task in which the
+// alloc or dealloc is occurring. For example, for mmap()
+// that would be mach_task_self(), but for a cross-task-capable
+// call such as mach_vm_map(), it is the target task.
+
+typedef void (malloc_logger_t)(uint32_t type, uintptr_t arg1, uintptr_t arg2, uintptr_t arg3, uintptr_t result, uint32_t num_hot_frames_to_skip);
+
+extern malloc_logger_t *__syscall_logger;