-highentropyva (Visual Basic)
Indicates whether a 64-bit executable or an executable that's marked by the -platform:anycpu compiler option supports high entropy Address Space Layout Randomization (ASLR).
Syntax
-highentropyva[+ | -]
Arguments
+
| -
Optional. The option is off by default or if you specify -highentropyva-
. The option is on if you specify -highentropyva
or -highentropyva+
.
Remarks
If you specify this option, compatible versions of the Windows kernel can use higher degrees of entropy when the kernel randomizes the address space layout of a process as part of ASLR. If the kernel uses higher degrees of entropy, a larger number of addresses can be allocated to memory regions such as stacks and heaps. As a result, it is more difficult to guess the location of a particular memory region.
When the option is on, the target executable and any modules on which it depends must be able to handle pointer values that are larger than 4 gigabytes (GB) when those modules are running as 64-bit processes.
See also
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