<AWT Dev> RfR JDK-8077707 jdk9 b58 cannot run any graphical application with JAWS running

Alexander Scherbatiy alexandr.scherbatiy at oracle.com
Fri Jul 24 15:31:16 UTC 2015

   The fix looks good to me.


On 7/24/2015 6:05 PM, Sergey Bylokhov wrote:
> Looks fine.
> On 23.07.15 2:53, Pete Brunet wrote:
>> Please review this patch which cures a problem that appears since 9 b58
>> when the compiler was switched to VS2013 and as a result turned on the
>> High Entropy Virtual Addresses bit in the executable header when running
>> on Win 8.1.
>> With the high-entropy 64-bit address space layout randomization option
>> enabled, all memory addresses in a 64-bit app are guaranteed to be above
>> 4gb. This means that if any module has latent pointer truncation issues
>> in 64-bit builds, these issues will manifest themselves when this flag
>> is set.
>> The fix is to change the wparam type from UINT to WPARAM and the lparam
>> type from LONG to LPARAM.
>> Using UINT/LONG would cause truncation in the upper 32 bits of
>> wparam/lparam.
>> http://cr.openjdk.java.net/~ptbrunet/JDK-8077707/webrev.00/
>> Thanks, Pete

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