1 /* 2 * Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved. 3 * Copyright (c) 2012, 2015 SAP SE. All rights reserved. 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 5 * 6 * This code is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU General Public License version 2 only, as 8 * published by the Free Software Foundation. 9 * 10 * This code is distributed in the hope that it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 13 * version 2 for more details (a copy is included in the LICENSE file that 14 * accompanied this code). 15 * 16 * You should have received a copy of the GNU General Public License version 17 * 2 along with this work; if not, write to the Free Software Foundation, 18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 19 * 20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 21 * or visit www.oracle.com if you need additional information or have any 22 * questions. 23 * 24 */ 25 26 #ifndef CPU_PPC_VM_C1_LIRASSEMBLER_PPC_HPP 27 #define CPU_PPC_VM_C1_LIRASSEMBLER_PPC_HPP 28 29 private: 30 31 ////////////////////////////////////////////////////////////////////////////// 32 // PPC64 load/store emission 33 // 34 // The PPC ld/st instructions cannot accomodate displacements > 16 bits long. 35 // The following "pseudo" instructions (load/store) make it easier to 36 // use the indexed addressing mode by allowing 32 bit displacements: 37 // 38 39 void explicit_null_check(Register addr, CodeEmitInfo* info); 40 41 int store(LIR_Opr from_reg, Register base, int offset, BasicType type, bool wide, bool unaligned); 42 int store(LIR_Opr from_reg, Register base, Register disp, BasicType type, bool wide); 43 44 int load(Register base, int offset, LIR_Opr to_reg, BasicType type, bool wide, bool unaligned); 45 int load(Register base, Register disp, LIR_Opr to_reg, BasicType type, bool wide); 46 47 int shift_amount(BasicType t); 48 49 // Record the type of the receiver in ReceiverTypeData. 50 void type_profile_helper(Register mdo, int mdo_offset_bias, 51 ciMethodData *md, ciProfileData *data, 52 Register recv, Register tmp1, Label* update_done); 53 // Setup pointers to MDO, MDO slot, also compute offset bias to access the slot. 54 void setup_md_access(ciMethod* method, int bci, 55 ciMethodData*& md, ciProfileData*& data, int& mdo_offset_bias); 56 public: 57 static const ConditionRegister BOOL_RESULT; 58 59 // Emit trampoline stub for call. Call bailout() if failed. Return true on success. 60 bool emit_trampoline_stub_for_call(address target, Register Rtoc = noreg); 61 62 enum { 63 _static_call_stub_size = 4 * BytesPerInstWord + MacroAssembler::b64_patchable_size, // or smaller 64 _call_stub_size = _static_call_stub_size + MacroAssembler::trampoline_stub_size, // or smaller 65 _call_aot_stub_size = 0, 66 _exception_handler_size = MacroAssembler::b64_patchable_size, // or smaller 67 _deopt_handler_size = MacroAssembler::bl64_patchable_size 68 }; 69 70 // '_static_call_stub_size' is only used on ppc (see LIR_Assembler::emit_static_call_stub() 71 // in c1_LIRAssembler_ppc.cpp. The other, shared getters are defined in c1_LIRAssembler.hpp 72 static int static_call_stub_size() { 73 if (UseAOT) { 74 return _static_call_stub_size + _call_aot_stub_size; 75 } else { 76 return _static_call_stub_size; 77 } 78 } 79 80 #endif // CPU_PPC_VM_C1_LIRASSEMBLER_PPC_HPP