--- libmalloc/libmalloc-283.100.6/src/vm.h
+++ libmalloc/libmalloc-792.1.1/src/vm.h
@@ -25,30 +25,112 @@
 #ifndef __VM_H
 #define __VM_H
 
+#include <malloc/_ptrcheck.h>
+__ptrcheck_abi_assume_single()
+
+#if MALLOC_TARGET_EXCLAVES
+typedef struct _liblibc_plat_mem_map_t plat_map_t;
+
+#define mvm_plat_map(x) (&(x))
+#else
+#define mvm_plat_map(x) NULL
+#endif // MALLOC_TARGET_EXCLAVES
+
+extern uint64_t malloc_entropy[2];
+
+#if !MALLOC_TARGET_EXCLAVES
+MALLOC_NOEXPORT
+extern volatile uintptr_t entropic_base;
+
 static inline bool
 mvm_aslr_enabled(void)
 {
-	return _dyld_get_image_slide((const struct mach_header *)_NSGetMachExecuteHeader()) != 0;
+	extern struct mach_header __dso_handle;
+	return _dyld_get_image_slide(&__dso_handle);
 }
+
+struct mvm_guarded_range_config_s {
+	mach_vm_address_t base_address;
+	size_t            size;
+	mach_vm_address_t carveout_address;
+};
+
+MALLOC_NOEXPORT
+extern struct mvm_guarded_range_config_s malloc_guarded_range_config;
+
+MALLOC_NOEXPORT
+void
+mvm_guarded_range_init(void);
+#endif // !MALLOC_TARGET_EXCLAVES
 
 MALLOC_NOEXPORT
 void
 mvm_aslr_init(void);
 
 MALLOC_NOEXPORT
-void *
-mvm_allocate_pages(size_t size, unsigned char align, uint32_t debug_flags, int vm_page_label);
+void * __alloc_size(2) __sized_by_or_null(size)
+mvm_allocate_plat(uintptr_t addr, size_t size, uint8_t align, int flags, int debug_flags, int label, plat_map_t *map_out);
+
+MALLOC_NOEXPORT
+void * __alloc_size(1) __sized_by_or_null(size)
+mvm_allocate_pages(size_t size, uint8_t align, uint32_t debug_flags, int vm_page_label);
+
+MALLOC_NOEXPORT
+void * __alloc_size(1) __sized_by_or_null(size)
+mvm_allocate_pages_plat(size_t size, uint8_t align, uint32_t debug_flags, int vm_page_label, plat_map_t *map_out);
 
 MALLOC_NOEXPORT
 void
-mvm_deallocate_pages(void *addr, size_t size, unsigned debug_flags);
+mvm_deallocate_plat(void * __sized_by(size) addr, size_t size, int debug_flags, plat_map_t *map);
+
+MALLOC_NOEXPORT
+void
+mvm_deallocate_pages(void * __sized_by(size) addr, size_t size, unsigned debug_flags);
+
+MALLOC_NOEXPORT
+void
+mvm_deallocate_pages_plat(void * __sized_by(size) addr, size_t size, unsigned debug_flags, plat_map_t *map);
+
+MALLOC_NOEXPORT
+int
+mvm_madvise(void * __sized_by(size) addr, size_t size, int advice, unsigned debug_flags);
+
+MALLOC_NOEXPORT
+int
+mvm_madvise_plat(void * __sized_by(size) addr, size_t size, int advice, unsigned debug_flags, plat_map_t *map);
 
 MALLOC_NOEXPORT
 int
 mvm_madvise_free(void *szone, void *r, uintptr_t pgLo, uintptr_t pgHi, uintptr_t *last, boolean_t scribble);
 
 MALLOC_NOEXPORT
+int
+mvm_madvise_free_plat(void *szone, void *r, uintptr_t pgLo, uintptr_t pgHi, uintptr_t *last, boolean_t scribble, plat_map_t *map);
+
+MALLOC_NOEXPORT
 void
-mvm_protect(void *address, size_t size, unsigned protection, unsigned debug_flags);
+mvm_protect(void * __sized_by(size) address, size_t size, unsigned protection, unsigned debug_flags);
+
+MALLOC_NOEXPORT
+void
+mvm_protect_plat(void * __sized_by(size) address, size_t size, unsigned protection, unsigned debug_flags, plat_map_t *map);
+
+#if CONFIG_MAGAZINE_DEFERRED_RECLAIM
+MALLOC_NOEXPORT
+kern_return_t
+mvm_deferred_reclaim_init(void);
+
+MALLOC_NOEXPORT
+bool
+mvm_reclaim_mark_used(mach_vm_reclaim_id_t id, mach_vm_address_t ptr, mach_vm_size_t size, unsigned int debug_flags);
+
+MALLOC_NOEXPORT
+mach_vm_reclaim_id_t
+mvm_reclaim_mark_free(mach_vm_address_t ptr, mach_vm_size_t size, unsigned int debug_flags);
+
+MALLOC_NOEXPORT
+bool
+mvm_reclaim_is_available(mach_vm_reclaim_id_t id);
+#endif // CONFIG_MAGAZINE_DEFERRED_RECLAIM
 
 #endif // __VM_H