Mercurial > jdk8-mips64-public > hotspot / annotate
src/cpu/ppc/vm/interpreterRT_ppc.hpp@41b780b43b74 (annotated)
src/cpu/ppc/vm/interpreterRT_ppc.hpp
Wed, 27 Nov 2013 16:16:21 -0800
- author
- goetz
- date
- Wed, 27 Nov 2013 16:16:21 -0800
- changeset 6490
- 41b780b43b74
- parent 0
- f90c822e73f8
- permissions
- -rw-r--r--
8029015: PPC64 (part 216): opto: trap based null and range checks
Summary: On PPC64 use tdi instruction that does a compare and raises SIGTRAP for NULL and range checks.
Reviewed-by: kvn
| aoqi@0 | 1 | /* |
| aoqi@0 | 2 | * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved. |
| aoqi@0 | 3 | * Copyright 2012, 2013 SAP AG. All rights reserved. |
| aoqi@0 | 4 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| aoqi@0 | 5 | * |
| aoqi@0 | 6 | * This code is free software; you can redistribute it and/or modify it |
| aoqi@0 | 7 | * under the terms of the GNU General Public License version 2 only, as |
| aoqi@0 | 8 | * published by the Free Software Foundation. |
| aoqi@0 | 9 | * |
| aoqi@0 | 10 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| aoqi@0 | 11 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| aoqi@0 | 12 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| aoqi@0 | 13 | * version 2 for more details (a copy is included in the LICENSE file that |
| aoqi@0 | 14 | * accompanied this code). |
| aoqi@0 | 15 | * |
| aoqi@0 | 16 | * You should have received a copy of the GNU General Public License version |
| aoqi@0 | 17 | * 2 along with this work; if not, write to the Free Software Foundation, |
| aoqi@0 | 18 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| aoqi@0 | 19 | * |
| aoqi@0 | 20 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| aoqi@0 | 21 | * or visit www.oracle.com if you need additional information or have any |
| aoqi@0 | 22 | * questions. |
| aoqi@0 | 23 | * |
| aoqi@0 | 24 | */ |
| aoqi@0 | 25 | |
| aoqi@0 | 26 | #ifndef CPU_PPC_VM_INTERPRETERRT_PPC_HPP |
| aoqi@0 | 27 | #define CPU_PPC_VM_INTERPRETERRT_PPC_HPP |
| aoqi@0 | 28 | |
| aoqi@0 | 29 | #include "memory/allocation.hpp" |
| aoqi@0 | 30 | |
| aoqi@0 | 31 | // native method calls |
| aoqi@0 | 32 | |
| aoqi@0 | 33 | class SignatureHandlerGenerator: public NativeSignatureIterator { |
| aoqi@0 | 34 | private: |
| aoqi@0 | 35 | MacroAssembler* _masm; |
| aoqi@0 | 36 | // number of already used floating-point argument registers |
| aoqi@0 | 37 | int _num_used_fp_arg_regs; |
| aoqi@0 | 38 | |
| aoqi@0 | 39 | void pass_int(); |
| aoqi@0 | 40 | void pass_long(); |
| aoqi@0 | 41 | void pass_double(); |
| aoqi@0 | 42 | void pass_float(); |
| aoqi@0 | 43 | void pass_object(); |
| aoqi@0 | 44 | |
| aoqi@0 | 45 | public: |
| aoqi@0 | 46 | // Creation |
| aoqi@0 | 47 | SignatureHandlerGenerator(methodHandle method, CodeBuffer* buffer) : NativeSignatureIterator(method) { |
| aoqi@0 | 48 | _masm = new MacroAssembler(buffer); |
| aoqi@0 | 49 | _num_used_fp_arg_regs = 0; |
| aoqi@0 | 50 | } |
| aoqi@0 | 51 | |
| aoqi@0 | 52 | // Code generation |
| aoqi@0 | 53 | void generate(uint64_t fingerprint); |
| aoqi@0 | 54 | }; |
| aoqi@0 | 55 | |
| aoqi@0 | 56 | // Support for generate_slow_signature_handler. |
| aoqi@0 | 57 | static address get_result_handler(JavaThread* thread, Method* method); |
| aoqi@0 | 58 | |
| aoqi@0 | 59 | // A function to get the signature. |
| aoqi@0 | 60 | static address get_signature(JavaThread* thread, Method* method); |
| aoqi@0 | 61 | |
| aoqi@0 | 62 | #endif // CPU_PPC_VM_INTERPRETERRT_PPC_HPP |
