1 /* 2 * Copyright (c) 2000, 2016, 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 25 #ifndef SHARE_VM_C1_C1_MACROASSEMBLER_HPP 26 #define SHARE_VM_C1_C1_MACROASSEMBLER_HPP 27 28 #include "asm/macroAssembler.hpp" 29 #include "asm/macroAssembler.inline.hpp" 30 #include "utilities/macros.hpp" 31 32 class CodeEmitInfo; 33 34 class C1_MacroAssembler: public MacroAssembler { 35 public: 36 // creation 37 C1_MacroAssembler(CodeBuffer* code) : MacroAssembler(code) { pd_init(); } 38 39 //---------------------------------------------------- 40 void explicit_null_check(Register base); 41 42 void inline_cache_check(Register receiver, Register iCache); 43 void build_frame(int frame_size_in_bytes, int bang_size_in_bytes); 44 void remove_frame(int frame_size_in_bytes); 45 46 void unverified_entry(Register receiver, Register ic_klass); 47 void verified_entry(); 48 void verify_stack_oop(int offset) PRODUCT_RETURN; 49 void verify_not_null_oop(Register r) PRODUCT_RETURN; 50 51 #include CPU_HEADER(c1_MacroAssembler) 52 53 }; 54 55 56 57 // A StubAssembler is a MacroAssembler w/ extra functionality for runtime 58 // stubs. Currently it 'knows' some stub info. Eventually, the information 59 // may be set automatically or can be asserted when using specialised 60 // StubAssembler functions. 61 62 class StubAssembler: public C1_MacroAssembler { 63 private: 64 const char* _name; 65 bool _must_gc_arguments; 66 int _frame_size; 67 int _num_rt_args; 68 int _stub_id; 69 70 public: 71 // creation 72 StubAssembler(CodeBuffer* code, const char * name, int stub_id); 73 void set_info(const char* name, bool must_gc_arguments); 74 75 void set_frame_size(int size); 76 void set_num_rt_args(int args); 77 78 // accessors 79 const char* name() const { return _name; } 80 bool must_gc_arguments() const { return _must_gc_arguments; } 81 int frame_size() const { return _frame_size; } 82 int num_rt_args() const { return _num_rt_args; } 83 int stub_id() const { return _stub_id; } 84 85 // runtime calls (return offset of call to be used by GC map) 86 int call_RT(Register oop_result1, Register metadata_result, address entry, int args_size = 0); 87 int call_RT(Register oop_result1, Register metadata_result, address entry, Register arg1); 88 int call_RT(Register oop_result1, Register metadata_result, address entry, Register arg1, Register arg2); 89 int call_RT(Register oop_result1, Register metadata_result, address entry, Register arg1, Register arg2, Register arg3); 90 }; 91 92 #endif // SHARE_VM_C1_C1_MACROASSEMBLER_HPP