1 /* 2 * Copyright (c) 1997, 2021, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #ifndef SHARE_INTERPRETER_TEMPLATEINTERPRETERGENERATOR_HPP 26 #define SHARE_INTERPRETER_TEMPLATEINTERPRETERGENERATOR_HPP 27 28 // This file contains the platform-independent parts 29 // of the template interpreter generator. 30 31 #ifndef ZERO 32 33 class TemplateInterpreterGenerator: public AbstractInterpreterGenerator { 34 protected: 35 36 // entry points for shared code sequence 37 address _unimplemented_bytecode; 38 address _illegal_bytecode_sequence; 39 40 // shared code sequences 41 // Converter for native abi result to tosca result 42 address generate_result_handler_for(BasicType type); 43 address generate_slow_signature_handler(); 44 address generate_error_exit(const char* msg); 45 address generate_StackOverflowError_handler(); generate_exception_handler(const char * name,const char * message)46 address generate_exception_handler(const char* name, const char* message) { 47 return generate_exception_handler_common(name, message, false); 48 } generate_klass_exception_handler(const char * name)49 address generate_klass_exception_handler(const char* name) { 50 return generate_exception_handler_common(name, NULL, true); 51 } 52 address generate_exception_handler_common(const char* name, const char* message, bool pass_oop); 53 address generate_ClassCastException_handler(); 54 address generate_ArrayIndexOutOfBounds_handler(); 55 address generate_return_entry_for(TosState state, int step, size_t index_size); 56 address generate_earlyret_entry_for(TosState state); 57 address generate_deopt_entry_for(TosState state, int step, address continuation = NULL); 58 address generate_safept_entry_for(TosState state, address runtime_entry); 59 void generate_throw_exception(); 60 61 void lock_method(); 62 63 void bang_stack_shadow_pages(bool native_call); 64 65 // Instruction generation 66 void generate_and_dispatch (Template* t, TosState tos_out = ilgl); 67 void set_vtos_entry_points (Template* t, address& bep, address& cep, address& sep, address& aep, address& iep, address& lep, address& fep, address& dep, address& vep); 68 void set_short_entry_points(Template* t, address& bep, address& cep, address& sep, address& aep, address& iep, address& lep, address& fep, address& dep, address& vep); 69 void set_wide_entry_point (Template* t, address& wep); 70 71 void set_entry_points(Bytecodes::Code code); 72 void set_unimplemented(int i); 73 void set_entry_points_for_all_bytes(); 74 void set_safepoints_for_all_bytes(); 75 76 // Helpers for generate_and_dispatch 77 address generate_trace_code(TosState state) PRODUCT_RETURN0; 78 void count_bytecode() PRODUCT_RETURN; 79 void histogram_bytecode(Template* t) PRODUCT_RETURN; 80 void histogram_bytecode_pair(Template* t) PRODUCT_RETURN; 81 void trace_bytecode(Template* t) PRODUCT_RETURN; 82 void stop_interpreter_at() PRODUCT_RETURN; 83 84 void generate_all(); 85 86 // entry point generator 87 address generate_method_entry(AbstractInterpreter::MethodKind kind); 88 89 address generate_normal_entry(bool synchronized); 90 address generate_native_entry(bool synchronized); 91 address generate_abstract_entry(void); 92 address generate_math_entry(AbstractInterpreter::MethodKind kind); 93 address generate_Reference_get_entry(); 94 address generate_CRC32_update_entry(); 95 address generate_CRC32_updateBytes_entry(AbstractInterpreter::MethodKind kind); 96 address generate_CRC32C_updateBytes_entry(AbstractInterpreter::MethodKind kind); 97 #ifdef IA32 98 address generate_Float_intBitsToFloat_entry(); 99 address generate_Float_floatToRawIntBits_entry(); 100 address generate_Double_longBitsToDouble_entry(); 101 address generate_Double_doubleToRawLongBits_entry(); 102 #endif // IA32 103 // Some platforms don't need registers, other need two. Unused function is 104 // left unimplemented. 105 void generate_stack_overflow_check(void); 106 void generate_stack_overflow_check(Register Rframe_size, Register Rscratch); 107 108 void generate_counter_incr(Label* overflow); 109 void generate_counter_overflow(Label& continue_entry); 110 111 void generate_fixed_frame(bool native_call); 112 113 #ifdef AARCH64 114 void generate_transcendental_entry(AbstractInterpreter::MethodKind kind, int fpargs); 115 #endif // AARCH64 116 117 #ifdef PPC 118 void lock_method(Register Rflags, Register Rscratch1, Register Rscratch2, bool flags_preloaded=false); 119 void generate_fixed_frame(bool native_call, Register Rsize_of_parameters, Register Rsize_of_locals); 120 #endif // PPC 121 122 public: 123 TemplateInterpreterGenerator(StubQueue* _code); 124 }; 125 126 #endif // !ZERO 127 128 #endif // SHARE_INTERPRETER_TEMPLATEINTERPRETERGENERATOR_HPP 129