Mercurial > hg > truffle
diff src/cpu/zero/vm/stubRoutines_zero.hpp @ 1010:354d3184f6b2
6890308: integrate zero assembler hotspot changes
Reviewed-by: never
Contributed-by: gbenson@redhat.com
author | never |
---|---|
date | Tue, 13 Oct 2009 12:04:21 -0700 |
parents | |
children | 47742b654fcb |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/cpu/zero/vm/stubRoutines_zero.hpp Tue Oct 13 12:04:21 2009 -0700 @@ -0,0 +1,51 @@ +/* + * Copyright 2003-2005 Sun Microsystems, Inc. All Rights Reserved. + * Copyright 2007, 2008, 2009 Red Hat, Inc. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + * + */ + + // This file holds the platform specific parts of the StubRoutines + // definition. See stubRoutines.hpp for a description on how to + // extend it. + + public: + static address call_stub_return_pc() { + return (address) -1; + } + + static bool returns_to_call_stub(address return_pc) { + return return_pc == call_stub_return_pc(); + } + + enum platform_dependent_constants { + code_size1 = 0, // The assembler will fail with a guarantee + code_size2 = 0 // if these are too small. Simply increase + }; // them if that happens. + +#ifdef IA32 + class x86 { + friend class VMStructs; + + private: + static address _call_stub_compiled_return; + }; +#endif // IA32