Mercurial > jdk8-mips64-public > hotspot / annotate
src/cpu/mips/vm/stubRoutines_mips_64.hpp@d885f8d65c58 (annotated)
src/cpu/mips/vm/stubRoutines_mips_64.hpp
Tue, 26 Jul 2016 17:06:17 +0800
- author
- fujie
- date
- Tue, 26 Jul 2016 17:06:17 +0800
- changeset 41
- d885f8d65c58
- parent 1
- 2d8a650513c2
- child 6880
- 52ea28d233d2
- permissions
- -rw-r--r--
Add multiply word to GPR instruction (mul) in MIPS assembler.
| aoqi@1 | 1 | /* |
| aoqi@1 | 2 | * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved. |
| aoqi@1 | 3 | * Copyright (c) 2015, 2016, Loongson Technology. All rights reserved. |
| aoqi@1 | 4 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| aoqi@1 | 5 | * |
| aoqi@1 | 6 | * This code is free software; you can redistribute it and/or modify it |
| aoqi@1 | 7 | * under the terms of the GNU General Public License version 2 only, as |
| aoqi@1 | 8 | * published by the Free Software Foundation. |
| aoqi@1 | 9 | * |
| aoqi@1 | 10 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| aoqi@1 | 11 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| aoqi@1 | 12 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| aoqi@1 | 13 | * version 2 for more details (a copy is included in the LICENSE file that |
| aoqi@1 | 14 | * accompanied this code). |
| aoqi@1 | 15 | * |
| aoqi@1 | 16 | * You should have received a copy of the GNU General Public License version |
| aoqi@1 | 17 | * 2 along with this work; if not, write to the Free Software Foundation, |
| aoqi@1 | 18 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| aoqi@1 | 19 | * |
| aoqi@1 | 20 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| aoqi@1 | 21 | * or visit www.oracle.com if you need additional information or have any |
| aoqi@1 | 22 | * questions. |
| aoqi@1 | 23 | * |
| aoqi@1 | 24 | */ |
| aoqi@1 | 25 | |
| aoqi@1 | 26 | // This file holds the platform specific parts of the StubRoutines |
| aoqi@1 | 27 | // definition. See stubRoutines.hpp for a description on how to |
| aoqi@1 | 28 | // extend it. |
| aoqi@1 | 29 | |
| aoqi@1 | 30 | //static bool returns_to_call_stub(address return_pc) { return return_pc == _call_stub_return_address; } |
| aoqi@1 | 31 | static bool returns_to_call_stub(address return_pc){ |
| aoqi@1 | 32 | return return_pc == _call_stub_return_address||return_pc == gs2::get_call_stub_compiled_return(); |
| aoqi@1 | 33 | } |
| aoqi@1 | 34 | |
| aoqi@1 | 35 | enum platform_dependent_constants |
| aoqi@1 | 36 | { |
| aoqi@1 | 37 | //code_size1 = 19000, // simply increase if too small (assembler will |
| aoqi@1 | 38 | // crash if too small) |
| aoqi@1 | 39 | //code_size2 = 22000 // simply increase if too small (assembler will |
| aoqi@1 | 40 | // crash if too small) |
| aoqi@1 | 41 | code_size1 = 20000, // simply increase if too small (assembler will crash if too small) |
| aoqi@1 | 42 | code_size2 = 40000 // simply increase if too small (assembler will crash if too small) |
| aoqi@1 | 43 | }; |
| aoqi@1 | 44 | //aoqi:FIXME class name gs2? |
| aoqi@1 | 45 | class gs2 { |
| aoqi@1 | 46 | friend class StubGenerator; |
| aoqi@1 | 47 | friend class VMStructs; |
| aoqi@1 | 48 | private: |
| aoqi@1 | 49 | // If we call compiled code directly from the call stub we will |
| aoqi@1 | 50 | // need to adjust the return back to the call stub to a specialized |
| aoqi@1 | 51 | // piece of code that can handle compiled results and cleaning the fpu |
| aoqi@1 | 52 | // stack. The variable holds that location. |
| aoqi@1 | 53 | static address _call_stub_compiled_return; |
| aoqi@1 | 54 | static address _get_previous_fp_entry; |
| aoqi@1 | 55 | |
| aoqi@1 | 56 | public: |
| aoqi@1 | 57 | // Call back points for traps in compiled code |
| aoqi@1 | 58 | static address get_previous_fp_entry() { return _get_previous_fp_entry; } |
| aoqi@1 | 59 | static address get_call_stub_compiled_return() { return _call_stub_compiled_return; } |
| aoqi@1 | 60 | static void set_call_stub_compiled_return(address ret){ _call_stub_compiled_return = ret; } |
| aoqi@1 | 61 | |
| aoqi@1 | 62 | }; |
