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view src/cpu/sparc/vm/c1_LIRAssembler_sparc.hpp @ 10405:f2110083203d
8005849: JEP 167: Event-Based JVM Tracing
Reviewed-by: acorn, coleenp, sla
Contributed-by: Karen Kinnear <karen.kinnear@oracle.com>, Bengt Rutisson <bengt.rutisson@oracle.com>, Calvin Cheung <calvin.cheung@oracle.com>, Erik Gahlin <erik.gahlin@oracle.com>, Erik Helin <erik.helin@oracle.com>, Jesper Wilhelmsson <jesper.wilhelmsson@oracle.com>, Keith McGuigan <keith.mcguigan@oracle.com>, Mattias Tobiasson <mattias.tobiasson@oracle.com>, Markus Gronlund <markus.gronlund@oracle.com>, Mikael Auno <mikael.auno@oracle.com>, Nils Eliasson <nils.eliasson@oracle.com>, Nils Loodin <nils.loodin@oracle.com>, Rickard Backman <rickard.backman@oracle.com>, Staffan Larsen <staffan.larsen@oracle.com>, Stefan Karlsson <stefan.karlsson@oracle.com>, Yekaterina Kantserova <yekaterina.kantserova@oracle.com>
author | sla |
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date | Mon, 10 Jun 2013 11:30:51 +0200 |
parents | b9a9ed0f8eeb |
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/* * Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #ifndef CPU_SPARC_VM_C1_LIRASSEMBLER_SPARC_HPP #define CPU_SPARC_VM_C1_LIRASSEMBLER_SPARC_HPP private: ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// // // Sparc load/store emission // // The sparc ld/st instructions cannot accomodate displacements > 13 bits long. // The following "pseudo" sparc instructions (load/store) make it easier to use the indexed addressing mode // by allowing 32 bit displacements: // // When disp <= 13 bits long, a single load or store instruction is emitted with (disp + [d]). // When disp > 13 bits long, code is emitted to set the displacement into the O7 register, // and then a load or store is emitted with ([O7] + [d]). // int store(LIR_Opr from_reg, Register base, int offset, BasicType type, bool wide, bool unaligned); int store(LIR_Opr from_reg, Register base, Register disp, BasicType type, bool wide); int load(Register base, int offset, LIR_Opr to_reg, BasicType type, bool wide, bool unaligned); int load(Register base, Register disp, LIR_Opr to_reg, BasicType type, bool wide); void monitorexit(LIR_Opr obj_opr, LIR_Opr lock_opr, Register hdr, int monitor_no); int shift_amount(BasicType t); static bool is_single_instruction(LIR_Op* op); // Record the type of the receiver in ReceiverTypeData void type_profile_helper(Register mdo, int mdo_offset_bias, ciMethodData *md, ciProfileData *data, Register recv, Register tmp1, Label* update_done); // Setup pointers to MDO, MDO slot, also compute offset bias to access the slot. void setup_md_access(ciMethod* method, int bci, ciMethodData*& md, ciProfileData*& data, int& mdo_offset_bias); public: void pack64(LIR_Opr src, LIR_Opr dst); void unpack64(LIR_Opr src, LIR_Opr dst); enum { #ifdef _LP64 call_stub_size = 68, #else call_stub_size = 20, #endif // _LP64 exception_handler_size = DEBUG_ONLY(1*K) NOT_DEBUG(128), deopt_handler_size = DEBUG_ONLY(1*K) NOT_DEBUG(64) }; #endif // CPU_SPARC_VM_C1_LIRASSEMBLER_SPARC_HPP