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268 // pages for stack overflow checking. |
268 // pages for stack overflow checking. |
269 static bool uses_stack_guard_pages(); |
269 static bool uses_stack_guard_pages(); |
270 static bool must_commit_stack_guard_pages(); |
270 static bool must_commit_stack_guard_pages(); |
271 static void map_stack_shadow_pages(address sp); |
271 static void map_stack_shadow_pages(address sp); |
272 static bool stack_shadow_pages_available(Thread *thread, const methodHandle& method, address sp); |
272 static bool stack_shadow_pages_available(Thread *thread, const methodHandle& method, address sp); |
273 |
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274 // Return size of stack that is actually committed. For Java thread, the bottom should be above |
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275 // guard pages (stack grows downward) |
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276 static size_t committed_stack_size(address bottom, size_t size); |
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277 |
273 |
278 // OS interface to Virtual Memory |
274 // OS interface to Virtual Memory |
279 |
275 |
280 // Return the default page size. |
276 // Return the default page size. |
281 static int vm_page_size(); |
277 static int vm_page_size(); |