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 25 #ifndef SHARE_VM_C1_C1_MACROASSEMBLER_HPP 26 #define SHARE_VM_C1_C1_MACROASSEMBLER_HPP 27 28 #include "asm/assembler.hpp" 29 #ifdef TARGET_ARCH_x86 30 # include "assembler_x86.inline.hpp" 31 #endif 32 #ifdef TARGET_ARCH_sparc 33 # include "assembler_sparc.inline.hpp" 34 #endif 35 #ifdef TARGET_ARCH_zero 36 # include "assembler_zero.inline.hpp" 37 #endif 38 39 class CodeEmitInfo; 40 41 class C1_MacroAssembler: public MacroAssembler { 42 public: 43 // creation 44 C1_MacroAssembler(CodeBuffer* code) : MacroAssembler(code) { pd_init(); } 45 46 //---------------------------------------------------- 47 void explicit_null_check(Register base); 48 49 void inline_cache_check(Register receiver, Register iCache); 50 void build_frame(int frame_size_in_bytes); 51 void remove_frame(int frame_size_in_bytes); 52 53 void unverified_entry(Register receiver, Register ic_klass); 54 void verified_entry(); 55 void verify_stack_oop(int offset) PRODUCT_RETURN; 56 void verify_not_null_oop(Register r) PRODUCT_RETURN; 57 58 #ifdef TARGET_ARCH_x86 59 # include "c1_MacroAssembler_x86.hpp" 60 #endif 61 #ifdef TARGET_ARCH_sparc 62 # include "c1_MacroAssembler_sparc.hpp" 63 #endif 64 65 }; 66 67 68 69 // A StubAssembler is a MacroAssembler w/ extra functionality for runtime 70 // stubs. Currently it 'knows' some stub info. Eventually, the information 71 // may be set automatically or can be asserted when using specialised 72 // StubAssembler functions. 73 74 class StubAssembler: public C1_MacroAssembler { 75 private: 76 const char* _name; 77 bool _must_gc_arguments; 78 int _frame_size; 79 int _num_rt_args; 80 int _stub_id; 81 82 public: 83 // creation 84 StubAssembler(CodeBuffer* code, const char * name, int stub_id); 85 void set_info(const char* name, bool must_gc_arguments); 86 87 void set_frame_size(int size); 88 void set_num_rt_args(int args); 89 90 // accessors 91 const char* name() const { return _name; } 92 bool must_gc_arguments() const { return _must_gc_arguments; } 93 int frame_size() const { return _frame_size; } 94 int num_rt_args() const { return _num_rt_args; } 95 int stub_id() const { return _stub_id; } 96 97 // runtime calls (return offset of call to be used by GC map) 98 int call_RT(Register oop_result1, Register oop_result2, address entry, int args_size = 0); 99 int call_RT(Register oop_result1, Register oop_result2, address entry, Register arg1); 100 int call_RT(Register oop_result1, Register oop_result2, address entry, Register arg1, Register arg2); 101 int call_RT(Register oop_result1, Register oop_result2, address entry, Register arg1, Register arg2, Register arg3); 102 }; 103 104 #endif // SHARE_VM_C1_C1_MACROASSEMBLER_HPP