1 /* 2 * Copyright (c) 2003, 2021, 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/icBuffer.hpp" 30 #include "code/vtableStubs.hpp" 31 #include "interpreter/interpreter.hpp" 32 #include "oops/compiledICHolder.hpp" 33 #include "runtime/interfaceSupport.inline.hpp" 34 #include "runtime/sharedRuntime.hpp" 35 #include "runtime/vframeArray.hpp" 36 #include "vmreg_zero.inline.hpp" 37 38 #ifdef COMPILER1 39 #include "c1/c1_Runtime1.hpp" 40 #endif 41 #ifdef COMPILER2 42 #include "opto/runtime.hpp" 43 #endif 44 45 46 static address zero_null_code_stub() { 47 address start = ShouldNotCallThisStub(); 48 return start; 49 } 50 51 int SharedRuntime::java_calling_convention(const BasicType *sig_bt, 52 VMRegPair *regs, 53 int total_args_passed) { 54 return 0; 55 } 56 57 AdapterHandlerEntry* SharedRuntime::generate_i2c2i_adapters( 58 MacroAssembler *masm, 59 int total_args_passed, 60 int comp_args_on_stack, 61 const BasicType *sig_bt, 62 const VMRegPair *regs, 63 AdapterFingerPrint *fingerprint) { 64 return AdapterHandlerLibrary::new_entry( 65 fingerprint, 66 CAST_FROM_FN_PTR(address,zero_null_code_stub), 67 CAST_FROM_FN_PTR(address,zero_null_code_stub), 68 CAST_FROM_FN_PTR(address,zero_null_code_stub)); 69 } 70 71 nmethod *SharedRuntime::generate_native_wrapper(MacroAssembler *masm, 72 const methodHandle& method, 73 int compile_id, 74 BasicType *sig_bt, 75 VMRegPair *regs, 76 BasicType ret_type) { 77 ShouldNotCallThis(); 78 return NULL; 79 } 80 81 int Deoptimization::last_frame_adjust(int callee_parameters, 82 int callee_locals) { 83 return 0; 84 } 85 86 uint SharedRuntime::out_preserve_stack_slots() { 87 ShouldNotCallThis(); 88 return 0; 89 } 90 91 JRT_LEAF(void, zero_stub()) 92 ShouldNotCallThis(); 93 JRT_END 94 95 static RuntimeStub* generate_empty_runtime_stub(const char* name) { 96 return CAST_FROM_FN_PTR(RuntimeStub*,zero_stub); 97 } 98 99 static SafepointBlob* generate_empty_safepoint_blob() { 100 return CAST_FROM_FN_PTR(SafepointBlob*,zero_stub); 101 } 102 103 static DeoptimizationBlob* generate_empty_deopt_blob() { 104 return CAST_FROM_FN_PTR(DeoptimizationBlob*,zero_stub); 105 } 106 107 108 void SharedRuntime::generate_deopt_blob() { 109 _deopt_blob = generate_empty_deopt_blob(); 110 } 111 112 SafepointBlob* SharedRuntime::generate_handler_blob(address call_ptr, int poll_type) { 113 return generate_empty_safepoint_blob(); 114 } 115 116 RuntimeStub* SharedRuntime::generate_resolve_blob(address destination, const char* name) { 117 return generate_empty_runtime_stub("resolve_blob"); 118 } 119 120 int SharedRuntime::c_calling_convention(const BasicType *sig_bt, 121 VMRegPair *regs, 122 VMRegPair *regs2, 123 int total_args_passed) { 124 ShouldNotCallThis(); 125 return 0; 126 } 127 128 int SharedRuntime::vector_calling_convention(VMRegPair *regs, 129 uint num_bits, 130 uint total_args_passed) { 131 ShouldNotCallThis(); 132 return 0; 133 }