/*
* Copyright ( c ) 2003 , 2020 , Oracle and / or its affiliates . All rights reserved .
* Copyright 2007 , 2008 Red Hat , Inc .
* 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 CPU_ZERO_INTERPRETERRT_ZERO_HPP
#define CPU_ZERO_INTERPRETERRT_ZERO_HPP
// This is included in the middle of class Interpreter.
// Do not include files here.
class SignatureHandler {
public :
static SignatureHandler *from_handlerAddr(address handlerAddr) {
return (SignatureHandler *) handlerAddr;
}
public :
ffi_cif* cif() const {
return (ffi_cif *) this ;
}
int argument_count() const {
return cif()->nargs;
}
ffi_type** argument_types() const {
return (ffi_type**) (cif() + 1 );
}
ffi_type* argument_type(int i) const {
return argument_types()[i];
}
ffi_type* result_type() const {
return *(argument_types() + argument_count());
}
protected :
friend class InterpreterRuntime;
friend class SignatureHandlerLibrary;
void finalize();
};
class SignatureHandlerGeneratorBase : public NativeSignatureIterator {
private :
ffi_cif* _cif;
protected :
SignatureHandlerGeneratorBase(const methodHandle& method, ffi_cif *cif)
: NativeSignatureIterator(method), _cif(cif) {
_cif->nargs = 0 ;
}
ffi_cif *cif() const {
return _cif;
}
public :
void generate(uint64_t fingerprint);
private :
void pass_int();
void pass_long();
void pass_float();
void pass_double();
void pass_object();
private :
void push(BasicType type);
virtual void push(intptr_t value) = 0 ;
};
class SignatureHandlerGenerator : public SignatureHandlerGeneratorBase {
private :
CodeBuffer* _cb;
public :
SignatureHandlerGenerator(const methodHandle& method, CodeBuffer* buffer);
private :
void push(intptr_t value);
};
class SlowSignatureHandlerGenerator : public SignatureHandlerGeneratorBase {
private :
intptr_t *_dst;
public :
SlowSignatureHandlerGenerator(const methodHandle& method, intptr_t* buf)
: SignatureHandlerGeneratorBase(method, (ffi_cif *) buf) {
_dst = (intptr_t *) (cif() + 1 );
}
private :
void push(intptr_t value) {
*(_dst++) = value;
}
public :
SignatureHandler *handler() const {
return (SignatureHandler *) cif();
}
};
#endif // CPU_ZERO_INTERPRETERRT_ZERO_HPP
Messung V0.5 in Prozent C=97 H=100 G=98
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-09-03)
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