aoqi@1: /*
aoqi@1:  * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@1:  * Copyright (c) 2015, 2016, Loongson Technology. All rights reserved.
aoqi@1:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@1:  *
aoqi@1:  * This code is free software; you can redistribute it and/or modify it
aoqi@1:  * under the terms of the GNU General Public License version 2 only, as
aoqi@1:  * published by the Free Software Foundation.
aoqi@1:  *
aoqi@1:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@1:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@1:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@1:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@1:  * accompanied this code).
aoqi@1:  *
aoqi@1:  * You should have received a copy of the GNU General Public License version
aoqi@1:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@1:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@1:  *
aoqi@1:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@1:  * or visit www.oracle.com if you need additional information or have any
aoqi@1:  * questions.
aoqi@1:  *
aoqi@1:  */
aoqi@1: 
aoqi@1: // This file holds the platform specific parts of the StubRoutines
aoqi@1: // definition. See stubRoutines.hpp for a description on how to
aoqi@1: // extend it.
aoqi@1: 
aoqi@1: //static bool    returns_to_call_stub(address return_pc)   { return return_pc == _call_stub_return_address; }
aoqi@1:   static bool    returns_to_call_stub(address return_pc){ 	
aoqi@1: 	  return return_pc == _call_stub_return_address||return_pc == gs2::get_call_stub_compiled_return(); 
aoqi@1:   }
aoqi@1: 
aoqi@1: enum platform_dependent_constants
aoqi@1: {
aoqi@1:   //code_size1 =  19000, // simply increase if too small (assembler will
aoqi@1:                       // crash if too small)
aoqi@1:   //code_size2 = 22000  // simply increase if too small (assembler will
aoqi@1:                       // crash if too small)
aoqi@1:   code_size1 = 20000,		// simply increase if too small (assembler will crash if too small)
aoqi@1:   code_size2 = 40000		// simply increase if too small (assembler will crash if too small)
aoqi@1: };
aoqi@1: //aoqi:FIXME class name gs2?
aoqi@1: class gs2 {
aoqi@1: 	friend class StubGenerator;
aoqi@1:  	friend class VMStructs;
aoqi@1: private:
aoqi@1: 	// If we call compiled code directly from the call stub we will
aoqi@1:   // need to adjust the return back to the call stub to a specialized
aoqi@1:   // piece of code that can handle compiled results and cleaning the fpu
aoqi@1:   // stack. The variable holds that location.
aoqi@1: 	static address _call_stub_compiled_return;  
aoqi@1: 	static address _get_previous_fp_entry;
aoqi@1: 
aoqi@1: public:
aoqi@1:   // Call back points for traps in compiled code
aoqi@1: 	static address get_previous_fp_entry()     { return _get_previous_fp_entry; }
aoqi@1:   static address get_call_stub_compiled_return()    { return _call_stub_compiled_return; }
aoqi@1:   static void set_call_stub_compiled_return(address ret){ _call_stub_compiled_return = ret; }
aoqi@1: 
aoqi@1: };