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annotate src/cpu/ppc/vm/interp_masm_ppc_64.hpp @ 14408:ec28f9c041ff

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8019972: PPC64 (part 9): platform files for interpreter only VM. Summary: With this change the HotSpot core build works on Linux/PPC64. The VM succesfully executes simple test programs. Reviewed-by: kvn
author goetz
date Fri, 02 Aug 2013 16:46:45 +0200
parents
children 67fa91961822
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14408
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1 /*
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2 * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
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3 * Copyright 2012, 2013 SAP AG. All rights reserved.
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4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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5 *
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6 * This code is free software; you can redistribute it and/or modify it
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7 * under the terms of the GNU General Public License version 2 only, as
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8 * published by the Free Software Foundation.
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9 *
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10 * This code is distributed in the hope that it will be useful, but WITHOUT
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11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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13 * version 2 for more details (a copy is included in the LICENSE file that
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14 * accompanied this code).
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15 *
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16 * You should have received a copy of the GNU General Public License version
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17 * 2 along with this work; if not, write to the Free Software Foundation,
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18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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19 *
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20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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21 * or visit www.oracle.com if you need additional information or have any
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22 * questions.
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23 *
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24 */
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25
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26 #ifndef CPU_PPC_VM_INTERP_MASM_PPC_64_HPP
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27 #define CPU_PPC_VM_INTERP_MASM_PPC_64_HPP
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28
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29 #include "assembler_ppc.inline.hpp"
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30 #include "interpreter/invocationCounter.hpp"
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31
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32 // This file specializes the assembler with interpreter-specific macros
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33
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34
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35 class InterpreterMacroAssembler: public MacroAssembler {
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36
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37 public:
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38 InterpreterMacroAssembler(CodeBuffer* code) : MacroAssembler(code) {}
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39
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40 // Handy address generation macros
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41 #define thread_(field_name) in_bytes(JavaThread::field_name ## _offset()), R16_thread
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42 #define method_(field_name) in_bytes(Method::field_name ## _offset()), R19_method
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43
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44 #ifdef CC_INTERP
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45 #define state_(field_name) in_bytes(byte_offset_of(BytecodeInterpreter, field_name)), R14_state
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46 #define prev_state_(field_name) in_bytes(byte_offset_of(BytecodeInterpreter, field_name)), R15_prev_state
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47 #endif
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48
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49 void get_method_counters(Register method, Register Rcounters, Label& skip);
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50 void increment_invocation_counter(Register iv_be_count, Register Rtmp1, Register Rtmp2_r0);
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51
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52 // Object locking
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53 void lock_object (Register lock_reg, Register obj_reg);
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54 void unlock_object(Register lock_reg);
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55
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56 // Debugging
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57 void verify_oop(Register reg, TosState state = atos); // only if +VerifyOops && state == atos
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58
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59 // support for jvmdi/jvmpi
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60 void notify_method_entry();
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61 void notify_method_exit(bool save_result, TosState state);
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62
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63 // Convert the current TOP_IJAVA_FRAME into a PARENT_IJAVA_FRAME
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64 // (using parent_frame_resize) and push a new interpreter
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65 // TOP_IJAVA_FRAME (using frame_size).
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66 void push_interpreter_frame(Register top_frame_size, Register parent_frame_resize,
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67 Register tmp1, Register tmp2, Register tmp3, Register tmp4, Register pc=noreg);
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68
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69 // Pop the topmost TOP_IJAVA_FRAME and convert the previous
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70 // PARENT_IJAVA_FRAME back into a TOP_IJAVA_FRAME.
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71 void pop_interpreter_frame(Register tmp1, Register tmp2, Register tmp3, Register tmp4);
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72
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73 // Turn state's interpreter frame into the current TOP_IJAVA_FRAME.
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74 void pop_interpreter_frame_to_state(Register state, Register tmp1, Register tmp2, Register tmp3);
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75
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76 // Set SP to initial caller's sp, but before fix the back chain.
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77 void resize_frame_to_initial_caller(Register tmp1, Register tmp2);
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78
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79 // Pop the current interpreter state (without popping the
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80 // correspoding frame) and restore R14_state and R15_prev_state
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81 // accordingly. Use prev_state_may_be_0 to indicate whether
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82 // prev_state may be 0 in order to generate an extra check before
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83 // retrieving prev_state_(_prev_link).
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84 void pop_interpreter_state(bool prev_state_may_be_0);
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85
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86 void restore_prev_state();
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87 };
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88
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89 #endif // CPU_PPC_VM_INTERP_MASM_PPC_64_HPP