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6727377: VM stack guard pages on Windows should PAGE_READWRITE not PAGE_EXECUTE_READWRITE

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Make reguard_stack change access to RW, not execute and use os::protect_memory with the new parameter when change needed to X.

Reviewed-by: acorn, jcoomes
This commit is contained in:
Coleen Phillimore 2008-12-10 15:14:29 -08:00
parent 36f5b8dd54
commit e0d2bfab81
8 changed files with 21 additions and 14 deletions
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3
hotspot/src/share/vm/prims/jni.cpp
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@ -2173,7 +2173,8 @@ static char* get_bad_address() {
size_t size = os::vm_allocation_granularity();
bad_address = os::reserve_memory(size);
if (bad_address != NULL) {
os::protect_memory(bad_address, size, os::MEM_PROT_READ);
os::protect_memory(bad_address, size, os::MEM_PROT_READ,
/*is_committed*/false);
}
}
return bad_address;