Mercurial > hg > graal-compiler
diff src/share/vm/runtime/thread.hpp @ 8710:9058789475af
7107135: Stack guard pages are no more protected after loading a shared library with executable stack
Summary: Detect the execstack attribute of the loaded library and attempt to fix the stack guard using Safepoint op.
Reviewed-by: dholmes, zgu
Contributed-by: ioi.lam@oracle.com
| author | iklam |
|---|---|
| date | Tue, 05 Mar 2013 13:55:56 -0800 |
| parents | db9981fd3124 |
| children | b9a918201d47 35f8765422b9 |
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--- a/src/share/vm/runtime/thread.hpp Tue Mar 05 08:50:59 2013 +0100 +++ b/src/share/vm/runtime/thread.hpp Tue Mar 05 13:55:56 2013 -0800 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -1289,6 +1289,7 @@ void enable_stack_red_zone(); void disable_stack_red_zone(); + inline bool stack_guard_zone_unused(); inline bool stack_yellow_zone_disabled(); inline bool stack_yellow_zone_enabled(); @@ -1759,6 +1760,10 @@ return (CompilerThread*)this; } +inline bool JavaThread::stack_guard_zone_unused() { + return _stack_guard_state == stack_guard_unused; +} + inline bool JavaThread::stack_yellow_zone_disabled() { return _stack_guard_state == stack_guard_yellow_disabled; }