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8156922: [ppc] Implement template interpreter stack overflow checks as on x86/sparc

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Reviewed-by: dlong, dholmes, simonis, coleenp
This commit is contained in:
Goetz Lindenmaier 2016-05-13 15:20:06 +02:00
parent 1fae073d9c
commit 618f5131e6
3 changed files with 53 additions and 17 deletions
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8
hotspot/src/share/vm/runtime/os.cpp
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@ -1336,12 +1336,10 @@ bool os::stack_shadow_pages_available(Thread *thread, const methodHandle& method
const int framesize_in_bytes =
Interpreter::size_top_interpreter_activation(method()) * wordSize;
assert((thread->stack_base() - thread->stack_size()) +
(JavaThread::stack_guard_zone_size() +
JavaThread::stack_shadow_zone_size() + framesize_in_bytes) ==
((JavaThread*)thread)->stack_overflow_limit() + framesize_in_bytes, "sanity");
address limit = ((JavaThread*)thread)->stack_end() +
(JavaThread::stack_guard_zone_size() + JavaThread::stack_shadow_zone_size());
return (sp > ((JavaThread*)thread)->stack_overflow_limit() + framesize_in_bytes);
return sp > (limit + framesize_in_bytes);
}
size_t os::page_size_for_region(size_t region_size, size_t min_pages, bool must_be_aligned) {