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ASLR can allow dyld to be loaded where it overlaps one of the regions that the preloader would like to reserve. That, in turn, can prevent Wine from using the shared user data region. With ASLR disabled, dyld will be loaded immediately after the preloader, which has a defined base address. This uses an Apple extension to posix_spawn() that allows it to replace the calling process's image, like a more featureful execve(). The flag to disable ASLR is technically private SPI, but has remained stable for many versions of the OS. And the Mac preloader is already stepping over that line. Signed-off-by: Ken Thomases <ken@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org> |
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