/*
* Copyright ( c ) 2000 , 2021 , 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 .
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*/
#ifndef SHARE_C1_C1_MACROASSEMBLER_HPP
#define SHARE_C1_C1_MACROASSEMBLER_HPP
#include "asm/macroAssembler.hpp"
#include "utilities/macros.hpp"
class CodeEmitInfo;
class C1_MacroAssembler: public MacroAssembler {
public :
// creation
C1_MacroAssembler(CodeBuffer* code) : MacroAssembler(code) { pd_init(); }
//----------------------------------------------------
void explicit_null_check(Register base);
void inline_cache_check(Register receiver, Register iCache);
void build_frame(int frame_size_in_bytes, int bang_size_in_bytes);
void remove_frame(int frame_size_in_bytes);
void verified_entry(bool breakAtEntry);
void verify_stack_oop(int offset) PRODUCT_RETURN;
void verify_not_null_oop(Register r) PRODUCT_RETURN;
#include CPU_HEADER(c1_MacroAssembler)
};
// A StubAssembler is a MacroAssembler w/ extra functionality for runtime
// stubs. Currently it 'knows' some stub info. Eventually, the information
// may be set automatically or can be asserted when using specialised
// StubAssembler functions.
class StubAssembler: public C1_MacroAssembler {
private :
const char * _name;
bool _must_gc_arguments;
int _frame_size;
int _num_rt_args;
int _stub_id;
public :
// creation
StubAssembler(CodeBuffer* code, const char * name, int stub_id);
void set_info(const char * name, bool must_gc_arguments);
void set_frame_size(int size);
void set_num_rt_args(int args);
void save_live_registers();
void restore_live_registers_without_return();
// accessors
const char * name() const { return _name; }
bool must_gc_arguments() const { return _must_gc_arguments; }
int frame_size() const { return _frame_size; }
int num_rt_args() const { return _num_rt_args; }
int stub_id() const { return _stub_id; }
// runtime calls (return offset of call to be used by GC map)
int call_RT(Register oop_result1, Register metadata_result, address entry, int args_size = 0 );
int call_RT(Register oop_result1, Register metadata_result, address entry, Register arg1);
int call_RT(Register oop_result1, Register metadata_result, address entry, Register arg1, Register arg2);
int call_RT(Register oop_result1, Register metadata_result, address entry, Register arg1, Register arg2, Register arg3);
void prologue(const char * name, bool must_gc_arguments);
void epilogue();
};
#endif // SHARE_C1_C1_MACROASSEMBLER_HPP
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