1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/cpu/mips/vm/stubRoutines_mips_64.hpp Fri Apr 29 00:06:10 2016 +0800
1.3 @@ -0,0 +1,62 @@
1.4 +/*
1.5 + * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
1.6 + * Copyright (c) 2015, 2016, Loongson Technology. All rights reserved.
1.7 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.8 + *
1.9 + * This code is free software; you can redistribute it and/or modify it
1.10 + * under the terms of the GNU General Public License version 2 only, as
1.11 + * published by the Free Software Foundation.
1.12 + *
1.13 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.14 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.15 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.16 + * version 2 for more details (a copy is included in the LICENSE file that
1.17 + * accompanied this code).
1.18 + *
1.19 + * You should have received a copy of the GNU General Public License version
1.20 + * 2 along with this work; if not, write to the Free Software Foundation,
1.21 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.22 + *
1.23 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.24 + * or visit www.oracle.com if you need additional information or have any
1.25 + * questions.
1.26 + *
1.27 + */
1.28 +
1.29 +// This file holds the platform specific parts of the StubRoutines
1.30 +// definition. See stubRoutines.hpp for a description on how to
1.31 +// extend it.
1.32 +
1.33 +//static bool returns_to_call_stub(address return_pc) { return return_pc == _call_stub_return_address; }
1.34 + static bool returns_to_call_stub(address return_pc){
1.35 + return return_pc == _call_stub_return_address||return_pc == gs2::get_call_stub_compiled_return();
1.36 + }
1.37 +
1.38 +enum platform_dependent_constants
1.39 +{
1.40 + //code_size1 = 19000, // simply increase if too small (assembler will
1.41 + // crash if too small)
1.42 + //code_size2 = 22000 // simply increase if too small (assembler will
1.43 + // crash if too small)
1.44 + code_size1 = 20000, // simply increase if too small (assembler will crash if too small)
1.45 + code_size2 = 40000 // simply increase if too small (assembler will crash if too small)
1.46 +};
1.47 +//aoqi:FIXME class name gs2?
1.48 +class gs2 {
1.49 + friend class StubGenerator;
1.50 + friend class VMStructs;
1.51 +private:
1.52 + // If we call compiled code directly from the call stub we will
1.53 + // need to adjust the return back to the call stub to a specialized
1.54 + // piece of code that can handle compiled results and cleaning the fpu
1.55 + // stack. The variable holds that location.
1.56 + static address _call_stub_compiled_return;
1.57 + static address _get_previous_fp_entry;
1.58 +
1.59 +public:
1.60 + // Call back points for traps in compiled code
1.61 + static address get_previous_fp_entry() { return _get_previous_fp_entry; }
1.62 + static address get_call_stub_compiled_return() { return _call_stub_compiled_return; }
1.63 + static void set_call_stub_compiled_return(address ret){ _call_stub_compiled_return = ret; }
1.64 +
1.65 +};
