Mercurial > jdk8-mips64-public > hotspot / annotate
src/cpu/sparc/vm/stubRoutines_sparc.hpp@55fb97c4c58d (annotated)
src/cpu/sparc/vm/stubRoutines_sparc.hpp
Tue, 24 Dec 2013 11:48:39 -0800
- author
- mikael
- date
- Tue, 24 Dec 2013 11:48:39 -0800
- changeset 6198
- 55fb97c4c58d
- parent 5283
- 46c544b8fbfc
- child 6653
- 03214612e77e
- permissions
- -rw-r--r--
8029233: Update copyright year to match last edit in jdk8 hotspot repository for 2013
Summary: Copyright year updated for files modified during 2013
Reviewed-by: twisti, iveresov
| duke@435 | 1 | /* |
| mikael@6198 | 2 | * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
| duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| duke@435 | 4 | * |
| duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
| duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| duke@435 | 7 | * published by the Free Software Foundation. |
| duke@435 | 8 | * |
| duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| duke@435 | 13 | * accompanied this code). |
| duke@435 | 14 | * |
| duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
| duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| duke@435 | 18 | * |
| trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
| trims@1907 | 21 | * questions. |
| duke@435 | 22 | * |
| duke@435 | 23 | */ |
| duke@435 | 24 | |
| stefank@2314 | 25 | #ifndef CPU_SPARC_VM_STUBROUTINES_SPARC_HPP |
| stefank@2314 | 26 | #define CPU_SPARC_VM_STUBROUTINES_SPARC_HPP |
| stefank@2314 | 27 | |
| duke@435 | 28 | // This file holds the platform specific parts of the StubRoutines |
| duke@435 | 29 | // definition. See stubRoutines.hpp for a description on how to |
| duke@435 | 30 | // extend it. |
| duke@435 | 31 | |
| duke@435 | 32 | |
| duke@435 | 33 | // So unfortunately c2 will call with a pc from a frame object |
| duke@435 | 34 | // (already adjusted) and a raw pc (unadjusted), so we need to check both. |
| duke@435 | 35 | // It didn't use to be like this before adapter removal. |
| duke@435 | 36 | static bool returns_to_call_stub(address return_pc) { |
| duke@435 | 37 | return ((return_pc + frame::pc_return_offset) == _call_stub_return_address) || |
| duke@435 | 38 | (return_pc == _call_stub_return_address ); |
| duke@435 | 39 | } |
| duke@435 | 40 | |
| duke@435 | 41 | enum /* platform_dependent_constants */ { |
| duke@435 | 42 | // %%%%%%%% May be able to shrink this a lot |
| twisti@1734 | 43 | code_size1 = 20000, // simply increase if too small (assembler will crash if too small) |
| twisti@1734 | 44 | code_size2 = 20000 // simply increase if too small (assembler will crash if too small) |
| twisti@1734 | 45 | }; |
| twisti@1734 | 46 | |
| duke@435 | 47 | class Sparc { |
| duke@435 | 48 | friend class StubGenerator; |
| duke@435 | 49 | |
| duke@435 | 50 | private: |
| duke@435 | 51 | static address _test_stop_entry; |
| duke@435 | 52 | static address _stop_subroutine_entry; |
| duke@435 | 53 | static address _flush_callers_register_windows_entry; |
| duke@435 | 54 | |
| duke@435 | 55 | static address _partial_subtype_check; |
| duke@435 | 56 | |
| duke@435 | 57 | public: |
| duke@435 | 58 | // test assembler stop routine by setting registers |
| duke@435 | 59 | static void (*test_stop_entry()) () { return CAST_TO_FN_PTR(void (*)(void), _test_stop_entry); } |
| duke@435 | 60 | |
| duke@435 | 61 | // a subroutine for debugging assembler code |
| duke@435 | 62 | static address stop_subroutine_entry_address() { return (address)&_stop_subroutine_entry; } |
| duke@435 | 63 | |
| duke@435 | 64 | // flushes (all but current) register window |
| duke@435 | 65 | static intptr_t* (*flush_callers_register_windows_func())() { return CAST_TO_FN_PTR(intptr_t* (*)(void), _flush_callers_register_windows_entry); } |
| duke@435 | 66 | |
| duke@435 | 67 | static address partial_subtype_check() { return _partial_subtype_check; } |
| duke@435 | 68 | }; |
| stefank@2314 | 69 | |
| stefank@2314 | 70 | #endif // CPU_SPARC_VM_STUBROUTINES_SPARC_HPP |
