1 /* 2 * Copyright (c) 2003, 2023, Oracle and/or its affiliates. All rights reserved. 3 * Copyright 2007, 2008, 2009, 2010, 2011 Red Hat, Inc. 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 #include "precompiled.hpp" 27 #include "asm/assembler.inline.hpp" 28 #include "code/debugInfoRec.hpp" 29 #include "code/vtableStubs.hpp" 30 #include "interpreter/interpreter.hpp" 31 #include "runtime/interfaceSupport.inline.hpp" 32 #include "runtime/sharedRuntime.hpp" 33 #include "runtime/vframeArray.hpp" 34 #include "vmreg_zero.inline.hpp" 35 #ifdef COMPILER1 36 #include "c1/c1_Runtime1.hpp" 37 #endif 38 #ifdef COMPILER2 39 #include "opto/runtime.hpp" 40 #endif 41 42 43 static address zero_null_code_stub() { 44 address start = ShouldNotCallThisStub(); 45 return start; 46 } 47 48 int SharedRuntime::java_calling_convention(const BasicType *sig_bt, 49 VMRegPair *regs, 50 int total_args_passed) { 51 return 0; 52 } 53 54 AdapterHandlerEntry* SharedRuntime::generate_i2c2i_adapters( 55 MacroAssembler *masm, 56 int total_args_passed, 57 int comp_args_on_stack, 58 const BasicType *sig_bt, 59 const VMRegPair *regs, 60 AdapterFingerPrint *fingerprint) { 61 return AdapterHandlerLibrary::new_entry( 62 fingerprint, 63 CAST_FROM_FN_PTR(address,zero_null_code_stub), 64 CAST_FROM_FN_PTR(address,zero_null_code_stub), 65 CAST_FROM_FN_PTR(address,zero_null_code_stub)); 66 } 67 68 nmethod *SharedRuntime::generate_native_wrapper(MacroAssembler *masm, 69 const methodHandle& method, 70 int compile_id, 71 BasicType *sig_bt, 72 VMRegPair *regs, 73 BasicType ret_type) { 74 ShouldNotCallThis(); 75 return nullptr; 76 } 77 78 int Deoptimization::last_frame_adjust(int callee_parameters, 79 int callee_locals) { 80 return 0; 81 } 82 83 uint SharedRuntime::out_preserve_stack_slots() { 84 ShouldNotCallThis(); 85 return 0; 86 } 87 88 JRT_LEAF(void, zero_stub()) 89 ShouldNotCallThis(); 90 JRT_END 91 92 static RuntimeStub* generate_empty_runtime_stub(const char* name) { 93 return CAST_FROM_FN_PTR(RuntimeStub*,zero_stub); 94 } 95 96 static SafepointBlob* generate_empty_safepoint_blob() { 97 return CAST_FROM_FN_PTR(SafepointBlob*,zero_stub); 98 } 99 100 static DeoptimizationBlob* generate_empty_deopt_blob() { 101 return CAST_FROM_FN_PTR(DeoptimizationBlob*,zero_stub); 102 } 103 104 105 void SharedRuntime::generate_deopt_blob() { 106 _deopt_blob = generate_empty_deopt_blob(); 107 } 108 109 SafepointBlob* SharedRuntime::generate_handler_blob(address call_ptr, int poll_type) { 110 return generate_empty_safepoint_blob(); 111 } 112 113 RuntimeStub* SharedRuntime::generate_resolve_blob(address destination, const char* name) { 114 return generate_empty_runtime_stub("resolve_blob"); 115 } 116 117 int SharedRuntime::c_calling_convention(const BasicType *sig_bt, 118 VMRegPair *regs, 119 int total_args_passed) { 120 ShouldNotCallThis(); 121 return 0; 122 } 123 124 int SharedRuntime::vector_calling_convention(VMRegPair *regs, 125 uint num_bits, 126 uint total_args_passed) { 127 ShouldNotCallThis(); 128 return 0; 129 }