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1 /*
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2 * Copyright 2000-2005 Sun Microsystems, Inc. All Rights Reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 class CodeEmitInfo;
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26
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27 class C1_MacroAssembler: public MacroAssembler {
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28 public:
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29 // creation
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30 C1_MacroAssembler(CodeBuffer* code) : MacroAssembler(code) { pd_init(); }
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31
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32 //----------------------------------------------------
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33 void explicit_null_check(Register base);
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34
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35 void inline_cache_check(Register receiver, Register iCache);
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36 void build_frame(int frame_size_in_bytes);
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37 void method_exit(bool restore_frame);
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38
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39 void unverified_entry(Register receiver, Register ic_klass);
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40 void verified_entry();
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41 void verify_stack_oop(int offset) PRODUCT_RETURN;
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42 void verify_not_null_oop(Register r) PRODUCT_RETURN;
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43
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44 #include "incls/_c1_MacroAssembler_pd.hpp.incl"
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45 };
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46
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47
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48
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49 // A StubAssembler is a MacroAssembler w/ extra functionality for runtime
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50 // stubs. Currently it 'knows' some stub info. Eventually, the information
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51 // may be set automatically or can be asserted when using specialised
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52 // StubAssembler functions.
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53
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54 class StubAssembler: public C1_MacroAssembler {
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55 private:
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56 const char* _name;
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57 bool _must_gc_arguments;
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58 int _frame_size;
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59 int _num_rt_args;
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60 int _stub_id;
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61
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62 public:
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63 // creation
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64 StubAssembler(CodeBuffer* code, const char * name, int stub_id);
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65 void set_info(const char* name, bool must_gc_arguments);
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66
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67 void set_frame_size(int size);
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68 void set_num_rt_args(int args);
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69
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70 // accessors
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71 const char* name() const { return _name; }
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72 bool must_gc_arguments() const { return _must_gc_arguments; }
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73 int frame_size() const { return _frame_size; }
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74 int num_rt_args() const { return _num_rt_args; }
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75 int stub_id() const { return _stub_id; }
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76
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77 // runtime calls (return offset of call to be used by GC map)
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78 int call_RT(Register oop_result1, Register oop_result2, address entry, int args_size = 0);
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79 int call_RT(Register oop_result1, Register oop_result2, address entry, Register arg1);
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80 int call_RT(Register oop_result1, Register oop_result2, address entry, Register arg1, Register arg2);
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81 int call_RT(Register oop_result1, Register oop_result2, address entry, Register arg1, Register arg2, Register arg3);
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82 };
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