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Memory object proxies permit to replicate objects with different parameters,
like reduced privileged, different offset, etc. They are e.g. essential for
properly managing memory access permissions.
2005-06-06 Marcus Brinkmann <marcus@gnu.org>
* include/mach/mach4.defs: Add memory_object_create_proxy
interface.
* Makefile.in (vm-cfiles): Add memory_object_proxy.c.
* i386/include/mach/i386/vm_types.h (vm_offset_array_t): New type.
* include/mach/memory_object.h (memory_object_array_t): New type.
* vm/memory_object_proxy.c: New file.
* kern/ipc_kobject.h: New macro IKOT_PAGER_PROXY. Bump up macros
IKOT_UNKNOWN and IKOT_MAX_TYPE.
* kern/ipc_kobject.c (ipc_kobject_notify): Call
memory_object_proxy_notify for IKOT_PAGER_PROXY.
* vm/vm_init.c (vm_mem_init): Call memory_object_proxy_init.
* vm/vm_user.c (vm_map): Implement support for proxy memory
objects.
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