c1_MacroAssembler.hpp revision 1472:c18cbe5936b8
1/* 2 * Copyright (c) 2000, 2010, 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 25class CodeEmitInfo; 26 27class C1_MacroAssembler: public MacroAssembler { 28 public: 29 // creation 30 C1_MacroAssembler(CodeBuffer* code) : MacroAssembler(code) { pd_init(); } 31 32 //---------------------------------------------------- 33 void explicit_null_check(Register base); 34 35 void inline_cache_check(Register receiver, Register iCache); 36 void build_frame(int frame_size_in_bytes); 37 void remove_frame(int frame_size_in_bytes); 38 39 void unverified_entry(Register receiver, Register ic_klass); 40 void verified_entry(); 41 void verify_stack_oop(int offset) PRODUCT_RETURN; 42 void verify_not_null_oop(Register r) PRODUCT_RETURN; 43 44#include "incls/_c1_MacroAssembler_pd.hpp.incl" 45}; 46 47 48 49// A StubAssembler is a MacroAssembler w/ extra functionality for runtime 50// stubs. Currently it 'knows' some stub info. Eventually, the information 51// may be set automatically or can be asserted when using specialised 52// StubAssembler functions. 53 54class StubAssembler: public C1_MacroAssembler { 55 private: 56 const char* _name; 57 bool _must_gc_arguments; 58 int _frame_size; 59 int _num_rt_args; 60 int _stub_id; 61 62 public: 63 // creation 64 StubAssembler(CodeBuffer* code, const char * name, int stub_id); 65 void set_info(const char* name, bool must_gc_arguments); 66 67 void set_frame_size(int size); 68 void set_num_rt_args(int args); 69 70 // accessors 71 const char* name() const { return _name; } 72 bool must_gc_arguments() const { return _must_gc_arguments; } 73 int frame_size() const { return _frame_size; } 74 int num_rt_args() const { return _num_rt_args; } 75 int stub_id() const { return _stub_id; } 76 77 // runtime calls (return offset of call to be used by GC map) 78 int call_RT(Register oop_result1, Register oop_result2, address entry, int args_size = 0); 79 int call_RT(Register oop_result1, Register oop_result2, address entry, Register arg1); 80 int call_RT(Register oop_result1, Register oop_result2, address entry, Register arg1, Register arg2); 81 int call_RT(Register oop_result1, Register oop_result2, address entry, Register arg1, Register arg2, Register arg3); 82}; 83