graal-jvmci-8: src/share/vm/prims/methodHandleWalk.hpp annotate

annotate src/share/vm/prims/methodHandleWalk.hpp @ 3371:fabcf26ee72f

6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW Reviewed-by: jrose, kvn, never

author	twisti
date	Thu, 12 May 2011 14:04:48 -0700
parents	e2a92dd0d3d2
children	a80577f854f9

rev	line source
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	1 /*
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2177 diff changeset	2 * Copyright (c) 2008, 2011, Oracle and/or its affiliates. All rights reserved.
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	4 *
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	5 * This code is free software; you can redistribute it and/or modify it
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	6 * under the terms of the GNU General Public License version 2 only, as
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	7 * published by the Free Software Foundation.
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	8 *
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	9 * This code is distributed in the hope that it will be useful, but WITHOUT
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	12 * version 2 for more details (a copy is included in the LICENSE file that
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	13 * accompanied this code).
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	14 *
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	15 * You should have received a copy of the GNU General Public License version
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	16 * 2 along with this work; if not, write to the Free Software Foundation,
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	18 *
1552 c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1152 diff changeset	19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1152 diff changeset	20 * or visit www.oracle.com if you need additional information or have any
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1152 diff changeset	21 * questions.
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	22 *
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	23 */
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	24
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	25 #ifndef SHARE_VM_PRIMS_METHODHANDLEWALK_HPP
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	26 #define SHARE_VM_PRIMS_METHODHANDLEWALK_HPP
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	27
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	28 #include "prims/methodHandles.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	29
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	30 // Low-level parser for method handle chains.
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	31 class MethodHandleChain : StackObj {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	32 public:
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	33 typedef MethodHandles::EntryKind EntryKind;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	34
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	35 private:
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	36 Handle _root; // original target
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	37 Handle _method_handle; // current target
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	38 bool _is_last; // final guy in chain
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	39 bool _is_bound; // has a bound argument
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	40 BasicType _arg_type; // if is_bound, the bound argument type
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	41 int _arg_slot; // if is_bound or is_adapter, affected argument slot
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	42 jint _conversion; // conversion field of AMH or -1
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	43 methodHandle _last_method; // if is_last, which method we target
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	44 Bytecodes::Code _last_invoke; // if is_last, type of invoke
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	45 const char* _lose_message; // saved argument to lose()
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	46
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	47 void set_method_handle(Handle target, TRAPS);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	48 void set_last_method(oop target, TRAPS);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	49 static BasicType compute_bound_arg_type(oop target, methodOop m, int arg_slot, TRAPS);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	50
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2177 diff changeset	51 oop MethodHandle_type_oop() { return java_lang_invoke_MethodHandle::type(method_handle_oop()); }
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2177 diff changeset	52 oop MethodHandle_vmtarget_oop() { return java_lang_invoke_MethodHandle::vmtarget(method_handle_oop()); }
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2177 diff changeset	53 int MethodHandle_vmslots() { return java_lang_invoke_MethodHandle::vmslots(method_handle_oop()); }
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2177 diff changeset	54 int DirectMethodHandle_vmindex() { return java_lang_invoke_DirectMethodHandle::vmindex(method_handle_oop()); }
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2177 diff changeset	55 oop BoundMethodHandle_argument_oop() { return java_lang_invoke_BoundMethodHandle::argument(method_handle_oop()); }
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2177 diff changeset	56 int BoundMethodHandle_vmargslot() { return java_lang_invoke_BoundMethodHandle::vmargslot(method_handle_oop()); }
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2177 diff changeset	57 int AdapterMethodHandle_conversion() { return java_lang_invoke_AdapterMethodHandle::conversion(method_handle_oop()); }
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	58
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	59 public:
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	60 MethodHandleChain(Handle root, TRAPS)
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	61 : _root(root)
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	62 { set_method_handle(root, THREAD); }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	63
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	64 bool is_adapter() { return _conversion != -1; }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	65 bool is_bound() { return _is_bound; }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	66 bool is_last() { return _is_last; }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	67
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	68 void next(TRAPS) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	69 assert(!is_last(), "");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	70 set_method_handle(MethodHandle_vmtarget_oop(), THREAD);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	71 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	72
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	73 Handle method_handle() { return _method_handle; }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	74 oop method_handle_oop() { return _method_handle(); }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	75 oop method_type_oop() { return MethodHandle_type_oop(); }
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	76 oop vmtarget_oop() { return MethodHandle_vmtarget_oop(); }
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	77
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	78 jint adapter_conversion() { assert(is_adapter(), ""); return _conversion; }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	79 int adapter_conversion_op() { return MethodHandles::adapter_conversion_op(adapter_conversion()); }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	80 BasicType adapter_conversion_src_type()
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	81 { return MethodHandles::adapter_conversion_src_type(adapter_conversion()); }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	82 BasicType adapter_conversion_dest_type()
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	83 { return MethodHandles::adapter_conversion_dest_type(adapter_conversion()); }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	84 int adapter_conversion_stack_move()
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	85 { return MethodHandles::adapter_conversion_stack_move(adapter_conversion()); }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	86 int adapter_conversion_stack_pushes()
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	87 { return adapter_conversion_stack_move() / MethodHandles::stack_move_unit(); }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	88 int adapter_conversion_vminfo()
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	89 { return MethodHandles::adapter_conversion_vminfo(adapter_conversion()); }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	90 int adapter_arg_slot() { assert(is_adapter(), ""); return _arg_slot; }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	91 oop adapter_arg_oop() { assert(is_adapter(), ""); return BoundMethodHandle_argument_oop(); }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	92
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	93 BasicType bound_arg_type() { assert(is_bound(), ""); return _arg_type; }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	94 int bound_arg_slot() { assert(is_bound(), ""); return _arg_slot; }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	95 oop bound_arg_oop() { assert(is_bound(), ""); return BoundMethodHandle_argument_oop(); }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	96
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	97 methodOop last_method_oop() { assert(is_last(), ""); return _last_method(); }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	98 Bytecodes::Code last_invoke_code() { assert(is_last(), ""); return _last_invoke; }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	99
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	100 void lose(const char* msg, TRAPS);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	101 const char* lose_message() { return _lose_message; }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	102 };
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	103
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	104
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	105 // Structure walker for method handles.
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	106 // Does abstract interpretation on top of low-level parsing.
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	107 // You supply the tokens shuffled by the abstract interpretation.
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	108 class MethodHandleWalker : StackObj {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	109 public:
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	110 // Stack values:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	111 enum TokenType {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	112 tt_void,
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	113 tt_parameter,
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	114 tt_temporary,
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	115 tt_constant,
3371 fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW twisti parents: 3366 diff changeset	116 tt_symbolic,
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	117 tt_illegal
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	118 };
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	119
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	120 // Argument token:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	121 class ArgToken {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	122 private:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	123 TokenType _tt;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	124 BasicType _bt;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	125 jvalue _value;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	126 Handle _handle;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	127
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	128 public:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	129 ArgToken(TokenType tt = tt_illegal) : _tt(tt) {}
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	130 ArgToken(TokenType tt, BasicType bt, jvalue value) : _tt(tt), _bt(bt), _value(value) {}
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	131
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	132 ArgToken(TokenType tt, BasicType bt, int index) : _tt(tt), _bt(bt) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	133 _value.i = index;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	134 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	135
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	136 ArgToken(TokenType tt, BasicType bt, Handle value) : _tt(tt), _bt(bt) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	137 _handle = value;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	138 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	139
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	140 TokenType token_type() const { return _tt; }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	141 BasicType basic_type() const { return _bt; }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	142 int index() const { return _value.i; }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	143 Handle object() const { return _handle; }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	144
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	145 jint get_jint() const { return _value.i; }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	146 jlong get_jlong() const { return _value.j; }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	147 jfloat get_jfloat() const { return _value.f; }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	148 jdouble get_jdouble() const { return _value.d; }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	149 };
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	150
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	151 // Abstract interpretation state:
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	152 struct SlotState {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	153 BasicType _type;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	154 ArgToken _arg;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	155 SlotState() : _type(), _arg() {}
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	156 };
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	157 static SlotState make_state(BasicType type, ArgToken arg) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	158 SlotState ss;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	159 ss._type = type; ss._arg = arg;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	160 return ss;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	161 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	162
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	163 private:
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	164 MethodHandleChain _chain;
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	165 bool _for_invokedynamic;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	166 int _local_index;
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	167
3371 fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW twisti parents: 3366 diff changeset	168 // This array is kept in an unusual order, indexed by low-level "slot number".
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW twisti parents: 3366 diff changeset	169 // TOS is always _outgoing.at(0), so simple pushes and pops shift the whole _outgoing array.
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW twisti parents: 3366 diff changeset	170 // If there is a receiver in the current argument list, it is at _outgoing.at(_outgoing.length()-1).
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW twisti parents: 3366 diff changeset	171 // If a value at _outgoing.at(n) is T_LONG or T_DOUBLE, the value at _outgoing.at(n+1) is T_VOID.
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	172 GrowableArray<SlotState> _outgoing; // current outgoing parameter slots
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	173 int _outgoing_argc; // # non-empty outgoing slots
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	174
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	175 // Replace a value of type old_type at slot (and maybe slot+1) with the new value.
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	176 // If old_type != T_VOID, remove the old argument at that point.
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	177 // If new_type != T_VOID, insert the new argument at that point.
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	178 // Insert or delete a second empty slot as needed.
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	179 void change_argument(BasicType old_type, int slot, BasicType new_type, const ArgToken& new_arg);
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	180
3371 fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW twisti parents: 3366 diff changeset	181 // Raw retype conversions for OP_RAW_RETYPE.
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW twisti parents: 3366 diff changeset	182 void retype_raw_conversion(BasicType src, BasicType dst, bool for_return, int slot, TRAPS);
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW twisti parents: 3366 diff changeset	183 void retype_raw_argument_type(BasicType src, BasicType dst, int slot, TRAPS) { retype_raw_conversion(src, dst, false, slot, CHECK); }
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW twisti parents: 3366 diff changeset	184 void retype_raw_return_type( BasicType src, BasicType dst, TRAPS) { retype_raw_conversion(src, dst, true, -1, CHECK); }
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW twisti parents: 3366 diff changeset	185
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	186 SlotState* slot_state(int slot) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	187 if (slot < 0 \|\| slot >= _outgoing.length())
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	188 return NULL;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	189 return _outgoing.adr_at(slot);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	190 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	191 BasicType slot_type(int slot) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	192 SlotState* ss = slot_state(slot);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	193 if (ss == NULL)
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	194 return T_ILLEGAL;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	195 return ss->_type;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	196 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	197 bool slot_has_argument(int slot) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	198 return slot_type(slot) < T_VOID;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	199 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	200
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	201 #ifdef ASSERT
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	202 int argument_count_slow();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	203 #endif
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	204
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	205 // Return a bytecode for converting src to dest, if one exists.
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	206 Bytecodes::Code conversion_code(BasicType src, BasicType dest);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	207
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	208 void walk_incoming_state(TRAPS);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	209
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	210 public:
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	211 MethodHandleWalker(Handle root, bool for_invokedynamic, TRAPS)
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	212 : _chain(root, THREAD),
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	213 _for_invokedynamic(for_invokedynamic),
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	214 _outgoing(THREAD, 10),
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	215 _outgoing_argc(0)
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	216 {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	217 _local_index = for_invokedynamic ? 0 : 1;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	218 }
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	219
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	220 MethodHandleChain& chain() { return _chain; }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	221
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	222 bool for_invokedynamic() const { return _for_invokedynamic; }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	223
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	224 int new_local_index(BasicType bt) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	225 //int index = _for_invokedynamic ? _local_index : _local_index - 1;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	226 int index = _local_index;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	227 _local_index += type2size[bt];
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	228 return index;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	229 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	230
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	231 int max_locals() const { return _local_index; }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	232
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	233 // plug-in abstract interpretation steps:
3371 fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW twisti parents: 3366 diff changeset	234 virtual ArgToken make_parameter(BasicType type, klassOop tk, int argnum, TRAPS) = 0;
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW twisti parents: 3366 diff changeset	235 virtual ArgToken make_prim_constant(BasicType type, jvalue* con, TRAPS) = 0;
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW twisti parents: 3366 diff changeset	236 virtual ArgToken make_oop_constant(oop con, TRAPS) = 0;
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW twisti parents: 3366 diff changeset	237 virtual ArgToken make_conversion(BasicType type, klassOop tk, Bytecodes::Code op, const ArgToken& src, TRAPS) = 0;
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW twisti parents: 3366 diff changeset	238 virtual ArgToken make_fetch(BasicType type, klassOop tk, Bytecodes::Code op, const ArgToken& base, const ArgToken& offset, TRAPS) = 0;
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW twisti parents: 3366 diff changeset	239 virtual ArgToken make_invoke(methodOop m, vmIntrinsics::ID iid, Bytecodes::Code op, bool tailcall, int argc, ArgToken* argv, TRAPS) = 0;
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	240
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	241 // For make_invoke, the methodOop can be NULL if the intrinsic ID
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	242 // is something other than vmIntrinsics::_none.
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	243
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	244 // and in case anyone cares to related the previous actions to the chain:
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	245 virtual void set_method_handle(oop mh) { }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	246
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	247 void lose(const char* msg, TRAPS) { chain().lose(msg, THREAD); }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	248 const char* lose_message() { return chain().lose_message(); }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	249
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	250 ArgToken walk(TRAPS);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	251 };
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	252
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	253
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	254 // An abstract interpreter for method handle chains.
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	255 // Produces an account of the semantics of a chain, in terms of a static IR.
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	256 // The IR happens to be JVM bytecodes.
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	257 class MethodHandleCompiler : public MethodHandleWalker {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	258 private:
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	259 methodHandle _callee;
3366 e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters twisti parents: 2478 diff changeset	260 int _invoke_count; // count the original call site has been executed
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	261 KlassHandle _rklass; // Return type for casting.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	262 BasicType _rtype;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	263 KlassHandle _target_klass;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	264 Thread* _thread;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	265
3371 fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW twisti parents: 3366 diff changeset	266 // Values used by the compiler.
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW twisti parents: 3366 diff changeset	267 static jvalue zero_jvalue;
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW twisti parents: 3366 diff changeset	268 static jvalue one_jvalue;
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW twisti parents: 3366 diff changeset	269
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	270 // Fake constant pool entry.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	271 class ConstantValue {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	272 private:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	273 int _tag; // Constant pool tag type.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	274 JavaValue _value;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	275 Handle _handle;
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2001 diff changeset	276 Symbol* _sym;
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	277
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	278 public:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	279 // Constructor for oop types.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	280 ConstantValue(int tag, Handle con) : _tag(tag), _handle(con) {
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2001 diff changeset	281 assert(tag == JVM_CONSTANT_Class \|\|
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	282 tag == JVM_CONSTANT_String \|\|
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	283 tag == JVM_CONSTANT_Object, "must be oop type");
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	284 }
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	285
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2001 diff changeset	286 ConstantValue(int tag, Symbol* con) : _tag(tag), _sym(con) {
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2001 diff changeset	287 assert(tag == JVM_CONSTANT_Utf8, "must be symbol type");
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2001 diff changeset	288 }
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2001 diff changeset	289
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	290 // Constructor for oop reference types.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	291 ConstantValue(int tag, int index) : _tag(tag) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	292 assert(JVM_CONSTANT_Fieldref <= tag && tag <= JVM_CONSTANT_NameAndType, "must be ref type");
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	293 _value.set_jint(index);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	294 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	295 ConstantValue(int tag, int first_index, int second_index) : _tag(tag) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	296 assert(JVM_CONSTANT_Fieldref <= tag && tag <= JVM_CONSTANT_NameAndType, "must be ref type");
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	297 _value.set_jint(first_index << 16 \| second_index);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	298 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	299
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	300 // Constructor for primitive types.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	301 ConstantValue(BasicType bt, jvalue con) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	302 _value.set_type(bt);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	303 switch (bt) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	304 case T_INT: _tag = JVM_CONSTANT_Integer; _value.set_jint( con.i); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	305 case T_LONG: _tag = JVM_CONSTANT_Long; _value.set_jlong( con.j); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	306 case T_FLOAT: _tag = JVM_CONSTANT_Float; _value.set_jfloat( con.f); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	307 case T_DOUBLE: _tag = JVM_CONSTANT_Double; _value.set_jdouble(con.d); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	308 default: ShouldNotReachHere();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	309 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	310 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	311
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	312 int tag() const { return _tag; }
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2001 diff changeset	313 Symbol* symbol() const { return _sym; }
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	314 klassOop klass_oop() const { return (klassOop) _handle(); }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	315 oop object_oop() const { return _handle(); }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	316 int index() const { return _value.get_jint(); }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	317 int first_index() const { return _value.get_jint() >> 16; }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	318 int second_index() const { return _value.get_jint() & 0x0000FFFF; }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	319
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	320 bool is_primitive() const { return is_java_primitive(_value.get_type()); }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	321 jint get_jint() const { return _value.get_jint(); }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	322 jlong get_jlong() const { return _value.get_jlong(); }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	323 jfloat get_jfloat() const { return _value.get_jfloat(); }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	324 jdouble get_jdouble() const { return _value.get_jdouble(); }
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	325 };
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	326
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	327 // Fake constant pool.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	328 GrowableArray<ConstantValue*> _constants;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	329
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	330 // Accumulated compiler state:
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	331 GrowableArray<unsigned char> _bytecode;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	332
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	333 int _cur_stack;
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	334 int _max_stack;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	335 int _num_params;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	336 int _name_index;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	337 int _signature_index;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	338
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	339 void stack_push(BasicType bt) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	340 _cur_stack += type2size[bt];
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	341 if (_cur_stack > _max_stack) _max_stack = _cur_stack;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	342 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	343 void stack_pop(BasicType bt) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	344 _cur_stack -= type2size[bt];
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	345 assert(_cur_stack >= 0, "sanity");
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	346 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	347
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	348 unsigned char* bytecode() const { return _bytecode.adr_at(0); }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	349 int bytecode_length() const { return _bytecode.length(); }
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	350
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	351 // Fake constant pool.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	352 int cpool_oop_put(int tag, Handle con) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	353 if (con.is_null()) return 0;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	354 ConstantValue* cv = new ConstantValue(tag, con);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	355 return _constants.append(cv);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	356 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	357
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2001 diff changeset	358 int cpool_symbol_put(int tag, Symbol* con) {
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2001 diff changeset	359 if (con == NULL) return 0;
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2001 diff changeset	360 ConstantValue* cv = new ConstantValue(tag, con);
2478 328926869b15 6987991: JSR 292 phpreboot test/testtracefun2.phpr segfaults jrose parents: 2357 diff changeset	361 con->increment_refcount();
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2001 diff changeset	362 return _constants.append(cv);
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2001 diff changeset	363 }
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2001 diff changeset	364
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	365 int cpool_oop_reference_put(int tag, int first_index, int second_index) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	366 if (first_index == 0 && second_index == 0) return 0;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	367 assert(first_index != 0 && second_index != 0, "no zero indexes");
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	368 ConstantValue* cv = new ConstantValue(tag, first_index, second_index);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	369 return _constants.append(cv);
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	370 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	371
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	372 int cpool_primitive_put(BasicType type, jvalue* con);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	373
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	374 int cpool_int_put(jint value) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	375 jvalue con; con.i = value;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	376 return cpool_primitive_put(T_INT, &con);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	377 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	378 int cpool_long_put(jlong value) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	379 jvalue con; con.j = value;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	380 return cpool_primitive_put(T_LONG, &con);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	381 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	382 int cpool_float_put(jfloat value) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	383 jvalue con; con.f = value;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	384 return cpool_primitive_put(T_FLOAT, &con);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	385 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	386 int cpool_double_put(jdouble value) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	387 jvalue con; con.d = value;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	388 return cpool_primitive_put(T_DOUBLE, &con);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	389 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	390
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	391 int cpool_object_put(Handle obj) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	392 return cpool_oop_put(JVM_CONSTANT_Object, obj);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	393 }
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2001 diff changeset	394 int cpool_symbol_put(Symbol* sym) {
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2001 diff changeset	395 return cpool_symbol_put(JVM_CONSTANT_Utf8, sym);
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	396 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	397 int cpool_klass_put(klassOop klass) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	398 return cpool_oop_put(JVM_CONSTANT_Class, klass);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	399 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	400 int cpool_methodref_put(int class_index, int name_and_type_index) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	401 return cpool_oop_reference_put(JVM_CONSTANT_Methodref, class_index, name_and_type_index);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	402 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	403 int cpool_name_and_type_put(int name_index, int signature_index) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	404 return cpool_oop_reference_put(JVM_CONSTANT_NameAndType, name_index, signature_index);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	405 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	406
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	407 void emit_bc(Bytecodes::Code op, int index = 0);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	408 void emit_load(BasicType bt, int index);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	409 void emit_store(BasicType bt, int index);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	410 void emit_load_constant(ArgToken arg);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	411
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	412 virtual ArgToken make_parameter(BasicType type, klassOop tk, int argnum, TRAPS) {
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	413 return ArgToken(tt_parameter, type, argnum);
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	414 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	415 virtual ArgToken make_oop_constant(oop con, TRAPS) {
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	416 Handle h(THREAD, con);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	417 return ArgToken(tt_constant, T_OBJECT, h);
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	418 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	419 virtual ArgToken make_prim_constant(BasicType type, jvalue* con, TRAPS) {
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	420 return ArgToken(tt_constant, type, *con);
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	421 }
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	422
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	423 virtual ArgToken make_conversion(BasicType type, klassOop tk, Bytecodes::Code op, const ArgToken& src, TRAPS);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	424 virtual ArgToken make_fetch(BasicType type, klassOop tk, Bytecodes::Code op, const ArgToken& base, const ArgToken& offset, TRAPS);
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	425 virtual ArgToken make_invoke(methodOop m, vmIntrinsics::ID iid, Bytecodes::Code op, bool tailcall, int argc, ArgToken* argv, TRAPS);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	426
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	427 // Get a real constant pool.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	428 constantPoolHandle get_constant_pool(TRAPS) const;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	429
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	430 // Get a real methodOop.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	431 methodHandle get_method_oop(TRAPS) const;
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	432
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	433 public:
3371 fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW twisti parents: 3366 diff changeset	434 MethodHandleCompiler(Handle root, methodHandle callee, int invoke_count, bool for_invokedynamic, TRAPS);
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	435
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	436 // Compile the given MH chain into bytecode.
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	437 methodHandle compile(TRAPS);
1152 cd37471eaecc 6914206: change way of permission checking for generated MethodHandle adapters twisti parents: 1138 diff changeset	438
cd37471eaecc 6914206: change way of permission checking for generated MethodHandle adapters twisti parents: 1138 diff changeset	439 // Tests if the given class is a MH adapter holder.
cd37471eaecc 6914206: change way of permission checking for generated MethodHandle adapters twisti parents: 1138 diff changeset	440 static bool klass_is_method_handle_adapter_holder(klassOop klass) {
2001 f2da85a9b08e 7001363: java/dyn/InvokeDynamic should not be a well-known class in the JVM twisti parents: 1972 diff changeset	441 return (klass == SystemDictionary::MethodHandle_klass());
1152 cd37471eaecc 6914206: change way of permission checking for generated MethodHandle adapters twisti parents: 1138 diff changeset	442 }
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	443 };
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	444
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	445 #endif // SHARE_VM_PRIMS_METHODHANDLEWALK_HPP

Mercurial > hg > graal-jvmci-8

annotate src/share/vm/prims/methodHandleWalk.hpp @ 3371:fabcf26ee72f