/*
* Copyright ( c ) 2002 , 2020 , Oracle and / or its affiliates . All rights reserved .
* Copyright 2007 , 2008 , 2011 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_BYTECODEINTERPRETER_ZERO_HPP
#define CPU_ZERO_BYTECODEINTERPRETER_ZERO_HPP
// Platform specific for C++ based Interpreter
#if defined (PPC) || defined (IA64)
#define LOTS_OF_REGS // Use plenty of registers
#else
#undef LOTS_OF_REGS // Loser platforms
#endif
private :
interpreterState _self_link;
public :
inline void set_locals(intptr_t* new_locals) {
_locals = new_locals;
}
inline void set_method(Method* new_method) {
_method = new_method;
}
inline void set_mirror(oop new_mirror) {
_mirror = new_mirror;
}
inline interpreterState self_link() {
return _self_link;
}
inline void set_self_link(interpreterState new_self_link) {
_self_link = new_self_link;
}
inline interpreterState prev_link() {
return _prev_link;
}
inline void set_prev_link(interpreterState new_prev_link) {
_prev_link = new_prev_link;
}
inline void set_stack_limit(intptr_t* new_stack_limit) {
_stack_limit = new_stack_limit;
}
inline void set_stack_base(intptr_t* new_stack_base) {
_stack_base = new_stack_base;
}
inline void set_monitor_base(BasicObjectLock *new_monitor_base) {
_monitor_base = new_monitor_base;
}
inline void set_thread(JavaThread* new_thread) {
_thread = new_thread;
}
inline void set_constants(ConstantPoolCache* new_constants) {
_constants = new_constants;
}
inline oop oop_temp() {
return _oop_temp;
}
inline oop *oop_temp_addr() {
return &_oop_temp;
}
inline void set_oop_temp(oop new_oop_temp) {
_oop_temp = new_oop_temp;
}
inline address callee_entry_point() {
return _result._to_call._callee_entry_point;
}
inline address osr_buf() {
return _result._osr._osr_buf;
}
inline address osr_entry() {
return _result._osr._osr_entry;
}
public :
const char *name_of_field_at_address(address addr);
// The frame manager handles this
#define SET_LAST_JAVA_FRAME()
#define RESET_LAST_JAVA_FRAME()
// ZeroStack Implementation
#undef STACK_INT
#undef STACK_FLOAT
#undef STACK_ADDR
#undef STACK_OBJECT
#undef STACK_DOUBLE
#undef STACK_LONG
#define GET_STACK_SLOT(offset) (*((intptr_t*) &topOfStack[-(offset)]))
#define STACK_SLOT(offset) ((address) &topOfStack[-(offset)])
#define STACK_ADDR(offset) (*((address *) &topOfStack[-(offset)]))
#define STACK_INT(offset) (*((jint*) &topOfStack[-(offset)]))
#define STACK_FLOAT(offset) (*((jfloat *) &topOfStack[-(offset)]))
#define STACK_OBJECT(offset) (*((oop *) &topOfStack [-(offset)]))
#define STACK_DOUBLE(offset) (((VMJavaVal64*) &topOfStack[-(offset)])->d)
#define STACK_LONG(offset) (((VMJavaVal64 *) &topOfStack[-(offset)])->l)
#define SET_STACK_SLOT(value, offset) (*(intptr_t*)&topOfStack[-(offset)] = *(intptr_t*)(value))
#define SET_STACK_ADDR(value, offset) (*((address *)&topOfStack[-(offset)]) = (value))
#define SET_STACK_INT(value, offset) (*((jint *)&topOfStack[-(offset)]) = (value))
#define SET_STACK_FLOAT(value, offset) (*((jfloat *)&topOfStack[-(offset)]) = (value))
#define SET_STACK_OBJECT(value, offset) (*((oop *)&topOfStack[-(offset)]) = (value))
#define SET_STACK_DOUBLE(value, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->d = (value))
#define SET_STACK_DOUBLE_FROM_ADDR(addr, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->d = \
((VMJavaVal64*)(addr))->d)
#define SET_STACK_LONG(value, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->l = (value))
#define SET_STACK_LONG_FROM_ADDR(addr, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->l = \
((VMJavaVal64*)(addr))->l)
// JavaLocals implementation
#define LOCALS_SLOT(offset) ((intptr_t*)&locals[-(offset)])
#define LOCALS_ADDR(offset) ((address)locals[-(offset)])
#define LOCALS_INT(offset) (*((jint*)&locals[-(offset)]))
#define LOCALS_FLOAT(offset) (*((jfloat*)&locals[-(offset)]))
#define LOCALS_OBJECT(offset) (cast_to_oop(locals[-(offset)]))
#define LOCALS_DOUBLE(offset) (((VMJavaVal64*)&locals[-((offset) + 1 )])->d)
#define LOCALS_LONG(offset) (((VMJavaVal64*)&locals[-((offset) + 1 )])->l)
#define LOCALS_LONG_AT(offset) (((address)&locals[-((offset) + 1 )]))
#define LOCALS_DOUBLE_AT(offset) (((address)&locals[-((offset) + 1 )]))
#define SET_LOCALS_SLOT(value, offset) (*(intptr_t*)&locals[-(offset)] = *(intptr_t *)(value))
#define SET_LOCALS_ADDR(value, offset) (*((address *)&locals[-(offset)]) = (value))
#define SET_LOCALS_INT(value, offset) (*((jint *)&locals[-(offset)]) = (value))
#define SET_LOCALS_FLOAT(value, offset) (*((jfloat *)&locals[-(offset)]) = (value))
#define SET_LOCALS_OBJECT(value, offset) (*((oop *)&locals[-(offset)]) = (value))
#define SET_LOCALS_DOUBLE(value, offset) (((VMJavaVal64*)&locals[-((offset)+1 )])->d = (value))
#define SET_LOCALS_LONG(value, offset) (((VMJavaVal64*)&locals[-((offset)+1 )])->l = (value))
#define SET_LOCALS_DOUBLE_FROM_ADDR(addr, offset) (((VMJavaVal64*)&locals[-((offset)+1 )])->d = \
((VMJavaVal64*)(addr))->d)
#define SET_LOCALS_LONG_FROM_ADDR(addr, offset) (((VMJavaVal64*)&locals[-((offset)+1 )])->l = \
((VMJavaVal64*)(addr))->l)
#endif // CPU_ZERO_BYTECODEINTERPRETER_ZERO_HPP
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