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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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2
hotspot/src/share/vm/runtime/os.hpp
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@ -208,7 +208,7 @@ class os: AllStatic {
enum ProtType { MEM_PROT_NONE, MEM_PROT_READ, MEM_PROT_RW, MEM_PROT_RWX };
static bool protect_memory(char* addr, size_t bytes, ProtType prot,
bool is_committed = false);
bool is_committed = true);
static bool guard_memory(char* addr, size_t bytes);
static bool unguard_memory(char* addr, size_t bytes);