RFR: 8214128: arm32: not aligned SP on entry call
boris.ulasevich at bell-sw.com
Thu Nov 29 13:43:05 UTC 2018
Please review arm32 stack alignment fix.
On arm32 native call with unaligned stack (SP register) does not crash
immediately, but causes problems far from the point of the entry point.
In the particular case the problem is in printf malfunction far below on
the C call stack.
call() was changed to call_VM_leaf() variant because the latter one
aligns SP. Save_last_java_pc parameter in set_last_Java_frame() was set
to true to help vframe unpacker to find CodeBlob.
Tested with jtreg :tier1.
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