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/*
* Copyright (c) 1997, 2018, 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 SHARE_VM_INTERPRETER_TEMPLATEINTERPRETERGENERATOR_HPP
#define SHARE_VM_INTERPRETER_TEMPLATEINTERPRETERGENERATOR_HPP
// This file contains the platform-independent parts
// of the template interpreter generator.
#ifndef CC_INTERP
class TemplateInterpreterGenerator: public AbstractInterpreterGenerator {
protected:
// entry points for shared code sequence
address _unimplemented_bytecode;
address _illegal_bytecode_sequence;
// shared code sequences
// Converter for native abi result to tosca result
address generate_result_handler_for(BasicType type);
address generate_slow_signature_handler();
address generate_error_exit(const char* msg);
address generate_StackOverflowError_handler();
address generate_exception_handler(const char* name, const char* message) {
return generate_exception_handler_common(name, message, false);
}
address generate_klass_exception_handler(const char* name) {
return generate_exception_handler_common(name, NULL, true);
}
address generate_exception_handler_common(const char* name, const char* message, bool pass_oop);
address generate_ClassCastException_handler();
address generate_ArrayIndexOutOfBounds_handler();
address generate_return_entry_for(TosState state, int step, size_t index_size);
address generate_earlyret_entry_for(TosState state);
address generate_deopt_entry_for(TosState state, int step, address continuation = NULL);
address generate_safept_entry_for(TosState state, address runtime_entry);
void generate_throw_exception();
void lock_method();
void bang_stack_shadow_pages(bool native_call);
// Instruction generation
void generate_and_dispatch (Template* t, TosState tos_out = ilgl);
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);
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);
void set_wide_entry_point (Template* t, address& wep);
void set_entry_points(Bytecodes::Code code);
void set_unimplemented(int i);
void set_entry_points_for_all_bytes();
void set_safepoints_for_all_bytes();
// Helpers for generate_and_dispatch
address generate_trace_code(TosState state) PRODUCT_RETURN0;
void count_bytecode() PRODUCT_RETURN;
void histogram_bytecode(Template* t) PRODUCT_RETURN;
void histogram_bytecode_pair(Template* t) PRODUCT_RETURN;
void trace_bytecode(Template* t) PRODUCT_RETURN;
void stop_interpreter_at() PRODUCT_RETURN;
void generate_all();
// entry point generator
address generate_method_entry(AbstractInterpreter::MethodKind kind);
address generate_normal_entry(bool synchronized);
address generate_native_entry(bool synchronized);
address generate_abstract_entry(void);
address generate_math_entry(AbstractInterpreter::MethodKind kind);
address generate_Reference_get_entry();
address generate_CRC32_update_entry();
address generate_CRC32_updateBytes_entry(AbstractInterpreter::MethodKind kind);
address generate_CRC32C_updateBytes_entry(AbstractInterpreter::MethodKind kind);
#ifdef IA32
address generate_Float_intBitsToFloat_entry();
address generate_Float_floatToRawIntBits_entry();
address generate_Double_longBitsToDouble_entry();
address generate_Double_doubleToRawLongBits_entry();
#endif // IA32
// Some platforms don't need registers, other need two. Unused function is
// left unimplemented.
void generate_stack_overflow_check(void);
void generate_stack_overflow_check(Register Rframe_size, Register Rscratch);
void generate_counter_incr(Label* overflow, Label* profile_method, Label* profile_method_continue);
void generate_counter_overflow(Label& continue_entry);
void generate_fixed_frame(bool native_call);
#ifdef SPARC
void save_native_result(void);
void restore_native_result(void);
#endif // SPARC
#ifdef AARCH64
void generate_transcendental_entry(AbstractInterpreter::MethodKind kind, int fpargs);
#endif // AARCH64
#ifdef PPC
void lock_method(Register Rflags, Register Rscratch1, Register Rscratch2, bool flags_preloaded=false);
void generate_fixed_frame(bool native_call, Register Rsize_of_parameters, Register Rsize_of_locals);
#endif // PPC
public:
TemplateInterpreterGenerator(StubQueue* _code);
};
#endif // !CC_INTERP
#endif // SHARE_VM_INTERPRETER_TEMPLATEINTERPRETERGENERATOR_HPP