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1 /*
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2 * Copyright 1997-2009 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 #include "incls/_precompiled.incl"
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26 #include "incls/_methodHandles_sparc.cpp.incl"
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27
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28 #define __ _masm->
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29
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30 address MethodHandleEntry::start_compiled_entry(MacroAssembler* _masm,
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31 address interpreted_entry) {
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32 __ align(wordSize);
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33 address target = __ pc() + sizeof(Data);
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34 while (__ pc() < target) {
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35 __ nop();
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36 __ align(wordSize);
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37 }
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38
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39 MethodHandleEntry* me = (MethodHandleEntry*) __ pc();
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40 me->set_end_address(__ pc()); // set a temporary end_address
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41 me->set_from_interpreted_entry(interpreted_entry);
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42 me->set_type_checking_entry(NULL);
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43
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44 return (address) me;
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45 }
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46
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47 MethodHandleEntry* MethodHandleEntry::finish_compiled_entry(MacroAssembler* _masm,
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48 address start_addr) {
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49 MethodHandleEntry* me = (MethodHandleEntry*) start_addr;
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50 assert(me->end_address() == start_addr, "valid ME");
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51
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52 // Fill in the real end_address:
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53 __ align(wordSize);
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54 me->set_end_address(__ pc());
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55
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56 return me;
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57 }
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58
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59
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60 // Code generation
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61 address MethodHandles::generate_method_handle_interpreter_entry(MacroAssembler* _masm) {
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62 ShouldNotReachHere(); //NYI, 6815692
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63 return NULL;
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64 }
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65
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66 // Generate an "entry" field for a method handle.
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67 // This determines how the method handle will respond to calls.
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68 void MethodHandles::generate_method_handle_stub(MacroAssembler* _masm, MethodHandles::EntryKind ek) {
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69 ShouldNotReachHere(); //NYI, 6815692
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70 }
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