hg: jdk7/hotspot-rt/hotspot: 6727377: VM stack guard pages on Windows should PAGE_READWRITE not PAGE_EXECUTE_READWRITE

[coleen.phillimore at sun.com]

Changeset: 24fda36852ce
Author:    coleenp
Date:      2008-12-10 15:14 -0800
URL:       http://hg.openjdk.java.net/jdk7/hotspot-rt/hotspot/rev/24fda36852ce

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

! src/os/linux/vm/os_linux.cpp
! src/os/solaris/vm/os_solaris.cpp
! src/os/windows/vm/os_windows.cpp
! src/os_cpu/linux_x86/vm/os_linux_x86.cpp
! src/os_cpu/solaris_x86/vm/os_solaris_x86.cpp
! src/share/vm/prims/jni.cpp
! src/share/vm/runtime/os.cpp
! src/share/vm/runtime/os.hpp