truffle: src/share/vm/prims/methodHandleWalk.hpp annotate

annotate src/share/vm/prims/methodHandleWalk.hpp @ 3740:5ac411b3b8fc

7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly Reviewed-by: kvn, jrose

author	never
date	Thu, 26 May 2011 14:44:41 -0700
parents	a80577f854f9
children	f7d55ea6ee56

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
3740 5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly never parents: 3388 diff changeset	59 #ifdef ASSERT
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly never parents: 3388 diff changeset	60 void print_impl(TRAPS);
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly never parents: 3388 diff changeset	61 #endif
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly never parents: 3388 diff changeset	62
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	63 public:
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	64 MethodHandleChain(Handle root, TRAPS)
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	65 : _root(root)
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	66 { set_method_handle(root, THREAD); }
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 bool is_adapter() { return _conversion != -1; }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	69 bool is_bound() { return _is_bound; }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	70 bool is_last() { return _is_last; }
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 void next(TRAPS) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	73 assert(!is_last(), "");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	74 set_method_handle(MethodHandle_vmtarget_oop(), THREAD);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	75 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	76
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	77 Handle method_handle() { return _method_handle; }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	78 oop method_handle_oop() { return _method_handle(); }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	79 oop method_type_oop() { return MethodHandle_type_oop(); }
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	80 oop vmtarget_oop() { return MethodHandle_vmtarget_oop(); }
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	81
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	82 jint adapter_conversion() { assert(is_adapter(), ""); return _conversion; }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	83 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	84 BasicType adapter_conversion_src_type()
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	85 { return MethodHandles::adapter_conversion_src_type(adapter_conversion()); }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	86 BasicType adapter_conversion_dest_type()
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	87 { return MethodHandles::adapter_conversion_dest_type(adapter_conversion()); }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	88 int adapter_conversion_stack_move()
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	89 { return MethodHandles::adapter_conversion_stack_move(adapter_conversion()); }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	90 int adapter_conversion_stack_pushes()
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	91 { return adapter_conversion_stack_move() / MethodHandles::stack_move_unit(); }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	92 int adapter_conversion_vminfo()
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	93 { return MethodHandles::adapter_conversion_vminfo(adapter_conversion()); }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	94 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	95 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	96
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	97 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	98 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	99 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	100
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	101 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	102 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	103
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	104 void lose(const char* msg, TRAPS);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	105 const char* lose_message() { return _lose_message; }
3740 5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly never parents: 3388 diff changeset	106
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly never parents: 3388 diff changeset	107 #ifdef ASSERT
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly never parents: 3388 diff changeset	108 // Print a symbolic description of a method handle chain, including
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly never parents: 3388 diff changeset	109 // the signature for each method. The signatures are printed in
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly never parents: 3388 diff changeset	110 // slot order to make it easier to understand.
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly never parents: 3388 diff changeset	111 void print();
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly never parents: 3388 diff changeset	112 static void print(Handle mh);
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly never parents: 3388 diff changeset	113 #endif
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	114 };
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	115
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	116
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	117 // Structure walker for method handles.
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	118 // Does abstract interpretation on top of low-level parsing.
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	119 // You supply the tokens shuffled by the abstract interpretation.
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	120 class MethodHandleWalker : StackObj {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	121 public:
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	122 // Stack values:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	123 enum TokenType {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	124 tt_void,
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	125 tt_parameter,
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	126 tt_temporary,
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	127 tt_constant,
3371 fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW twisti parents: 3366 diff changeset	128 tt_symbolic,
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	129 tt_illegal
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	130 };
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 // Argument token:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	133 class ArgToken {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	134 private:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	135 TokenType _tt;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	136 BasicType _bt;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	137 jvalue _value;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	138 Handle _handle;
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 public:
3740 5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly never parents: 3388 diff changeset	141 ArgToken(TokenType tt = tt_illegal) : _tt(tt), _bt(tt == tt_void ? T_VOID : T_ILLEGAL) {
3388 a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp never parents: 3371 diff changeset	142 assert(tt == tt_illegal \|\| tt == tt_void, "invalid token type");
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp never parents: 3371 diff changeset	143 }
1138 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 ArgToken(TokenType tt, BasicType bt, int index) : _tt(tt), _bt(bt) {
3388 a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp never parents: 3371 diff changeset	146 assert(_tt == tt_parameter \|\| _tt == tt_temporary, "must have index");
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	147 _value.i = index;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	148 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	149
3740 5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly never parents: 3388 diff changeset	150 ArgToken(BasicType bt, jvalue value) : _tt(tt_constant), _bt(bt), _value(value) { assert(_bt != T_OBJECT, "wrong constructor"); }
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly never parents: 3388 diff changeset	151 ArgToken(Handle handle) : _tt(tt_constant), _bt(T_OBJECT), _handle(handle) {}
3388 a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp never parents: 3371 diff changeset	152
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp never parents: 3371 diff changeset	153
3740 5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly never parents: 3388 diff changeset	154 ArgToken(const char* str, BasicType type) : _tt(tt_symbolic), _bt(type) {
3388 a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp never parents: 3371 diff changeset	155 _value.j = (intptr_t)str;
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	156 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	157
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	158 TokenType token_type() const { return _tt; }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	159 BasicType basic_type() const { return _bt; }
3388 a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp never parents: 3371 diff changeset	160 bool has_index() const { return _tt == tt_parameter \|\| _tt == tt_temporary; }
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp never parents: 3371 diff changeset	161 int index() const { assert(has_index(), "must have index");; return _value.i; }
3740 5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly never parents: 3388 diff changeset	162 Handle object() const { assert(_bt == T_OBJECT, "wrong accessor"); assert(_tt == tt_constant, "value type"); return _handle; }
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly never parents: 3388 diff changeset	163 const char* str() const { assert(_tt == tt_symbolic, "string type"); return (const char*)(intptr_t)_value.j; }
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	164
3740 5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly never parents: 3388 diff changeset	165 jint get_jint() const { assert(_bt == T_INT \|\| is_subword_type(_bt), "wrong accessor"); assert(_tt == tt_constant, "value types"); return _value.i; }
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly never parents: 3388 diff changeset	166 jlong get_jlong() const { assert(_bt == T_LONG, "wrong accessor"); assert(_tt == tt_constant, "value types"); return _value.j; }
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly never parents: 3388 diff changeset	167 jfloat get_jfloat() const { assert(_bt == T_FLOAT, "wrong accessor"); assert(_tt == tt_constant, "value types"); return _value.f; }
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly never parents: 3388 diff changeset	168 jdouble get_jdouble() const { assert(_bt == T_DOUBLE, "wrong accessor"); assert(_tt == tt_constant, "value types"); return _value.d; }
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	169 };
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	170
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	171 private:
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	172 MethodHandleChain _chain;
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	173 bool _for_invokedynamic;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	174 int _local_index;
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	175
3371 fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW twisti parents: 3366 diff changeset	176 // 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	177 // 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	178 // 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	179 // If a value at _outgoing.at(n) is T_LONG or T_DOUBLE, the value at _outgoing.at(n+1) is T_VOID.
3740 5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly never parents: 3388 diff changeset	180 GrowableArray<ArgToken> _outgoing; // current outgoing parameter slots
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	181 int _outgoing_argc; // # non-empty outgoing slots
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	182
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	183 // 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	184 // 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	185 // 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	186 // Insert or delete a second empty slot as needed.
3740 5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly never parents: 3388 diff changeset	187 void change_argument(BasicType old_type, int slot, const ArgToken& new_arg);
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly never parents: 3388 diff changeset	188 void change_argument(BasicType old_type, int slot, BasicType type, const ArgToken& new_arg) {
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly never parents: 3388 diff changeset	189 assert(type == new_arg.basic_type(), "must agree");
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly never parents: 3388 diff changeset	190 change_argument(old_type, slot, new_arg);
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly never parents: 3388 diff changeset	191 }
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	192
3371 fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW twisti parents: 3366 diff changeset	193 // 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	194 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	195 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	196 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	197
3740 5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly never parents: 3388 diff changeset	198 BasicType arg_type(int slot) {
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly never parents: 3388 diff changeset	199 return _outgoing.at(slot).basic_type();
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	200 }
3740 5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly never parents: 3388 diff changeset	201 bool has_argument(int slot) {
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly never parents: 3388 diff changeset	202 return arg_type(slot) < T_VOID;
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	203 }
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 #ifdef ASSERT
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	206 int argument_count_slow();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	207 #endif
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	208
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	209 // 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	210 Bytecodes::Code conversion_code(BasicType src, BasicType dest);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	211
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	212 void walk_incoming_state(TRAPS);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	213
3740 5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly never parents: 3388 diff changeset	214 void verify_args_and_signature(TRAPS) NOT_DEBUG_RETURN;
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly never parents: 3388 diff changeset	215
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	216 public:
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	217 MethodHandleWalker(Handle root, bool for_invokedynamic, TRAPS)
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	218 : _chain(root, THREAD),
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	219 _for_invokedynamic(for_invokedynamic),
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	220 _outgoing(THREAD, 10),
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	221 _outgoing_argc(0)
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	222 {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	223 _local_index = for_invokedynamic ? 0 : 1;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	224 }
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	225
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	226 MethodHandleChain& chain() { return _chain; }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	227
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	228 bool for_invokedynamic() const { return _for_invokedynamic; }
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 int new_local_index(BasicType bt) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	231 //int index = _for_invokedynamic ? _local_index : _local_index - 1;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	232 int index = _local_index;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	233 _local_index += type2size[bt];
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	234 return index;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	235 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	236
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	237 int max_locals() const { return _local_index; }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	238
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	239 // plug-in abstract interpretation steps:
3371 fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW twisti parents: 3366 diff changeset	240 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	241 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	242 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	243 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	244 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	245 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	246
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	247 // 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	248 // is something other than vmIntrinsics::_none.
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 // 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	251 virtual void set_method_handle(oop mh) { }
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 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	254 const char* lose_message() { return chain().lose_message(); }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	255
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	256 ArgToken walk(TRAPS);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	257 };
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	258
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	259
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	260 // An abstract interpreter for method handle chains.
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	261 // 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	262 // The IR happens to be JVM bytecodes.
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	263 class MethodHandleCompiler : public MethodHandleWalker {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	264 private:
3366 e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters twisti parents: 2478 diff changeset	265 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	266 KlassHandle _rklass; // Return type for casting.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	267 BasicType _rtype;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	268 KlassHandle _target_klass;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	269 Thread* _thread;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	270
3371 fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW twisti parents: 3366 diff changeset	271 // Values used by the compiler.
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW twisti parents: 3366 diff changeset	272 static jvalue zero_jvalue;
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW twisti parents: 3366 diff changeset	273 static jvalue one_jvalue;
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW twisti parents: 3366 diff changeset	274
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	275 // Fake constant pool entry.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	276 class ConstantValue {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	277 private:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	278 int _tag; // Constant pool tag type.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	279 JavaValue _value;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	280 Handle _handle;
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2001 diff changeset	281 Symbol* _sym;
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	282
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	283 public:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	284 // Constructor for oop types.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	285 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	286 assert(tag == JVM_CONSTANT_Class \|\|
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	287 tag == JVM_CONSTANT_String \|\|
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	288 tag == JVM_CONSTANT_Object, "must be oop type");
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	289 }
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	290
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2001 diff changeset	291 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	292 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	293 }
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2001 diff changeset	294
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	295 // Constructor for oop reference types.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	296 ConstantValue(int tag, int index) : _tag(tag) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	297 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	298 _value.set_jint(index);
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 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	301 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	302 _value.set_jint(first_index << 16 \| second_index);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	303 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	304
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	305 // Constructor for primitive types.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	306 ConstantValue(BasicType bt, jvalue con) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	307 _value.set_type(bt);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	308 switch (bt) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	309 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	310 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	311 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	312 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	313 default: ShouldNotReachHere();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	314 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	315 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	316
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	317 int tag() const { return _tag; }
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2001 diff changeset	318 Symbol* symbol() const { return _sym; }
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	319 klassOop klass_oop() const { return (klassOop) _handle(); }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	320 oop object_oop() const { return _handle(); }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	321 int index() const { return _value.get_jint(); }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	322 int first_index() const { return _value.get_jint() >> 16; }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	323 int second_index() const { return _value.get_jint() & 0x0000FFFF; }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	324
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	325 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	326 jint get_jint() const { return _value.get_jint(); }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	327 jlong get_jlong() const { return _value.get_jlong(); }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	328 jfloat get_jfloat() const { return _value.get_jfloat(); }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	329 jdouble get_jdouble() const { return _value.get_jdouble(); }
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	330 };
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	331
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	332 // Fake constant pool.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	333 GrowableArray<ConstantValue*> _constants;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	334
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	335 // Accumulated compiler state:
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	336 GrowableArray<unsigned char> _bytecode;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	337
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	338 int _cur_stack;
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	339 int _max_stack;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	340 int _num_params;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	341 int _name_index;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	342 int _signature_index;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	343
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	344 void stack_push(BasicType bt) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	345 _cur_stack += type2size[bt];
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	346 if (_cur_stack > _max_stack) _max_stack = _cur_stack;
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 void stack_pop(BasicType bt) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	349 _cur_stack -= type2size[bt];
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	350 assert(_cur_stack >= 0, "sanity");
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	351 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	352
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	353 unsigned char* bytecode() const { return _bytecode.adr_at(0); }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	354 int bytecode_length() const { return _bytecode.length(); }
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	355
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	356 // Fake constant pool.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	357 int cpool_oop_put(int tag, Handle con) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	358 if (con.is_null()) return 0;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	359 ConstantValue* cv = new ConstantValue(tag, con);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	360 return _constants.append(cv);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	361 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	362
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2001 diff changeset	363 int cpool_symbol_put(int tag, Symbol* con) {
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2001 diff changeset	364 if (con == NULL) return 0;
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2001 diff changeset	365 ConstantValue* cv = new ConstantValue(tag, con);
2478 328926869b15 6987991: JSR 292 phpreboot test/testtracefun2.phpr segfaults jrose parents: 2357 diff changeset	366 con->increment_refcount();
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2001 diff changeset	367 return _constants.append(cv);
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2001 diff changeset	368 }
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2001 diff changeset	369
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	370 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	371 if (first_index == 0 && second_index == 0) return 0;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	372 assert(first_index != 0 && second_index != 0, "no zero indexes");
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	373 ConstantValue* cv = new ConstantValue(tag, first_index, second_index);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	374 return _constants.append(cv);
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	375 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	376
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	377 int cpool_primitive_put(BasicType type, jvalue* con);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	378
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	379 int cpool_int_put(jint value) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	380 jvalue con; con.i = value;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	381 return cpool_primitive_put(T_INT, &con);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	382 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	383 int cpool_long_put(jlong value) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	384 jvalue con; con.j = value;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	385 return cpool_primitive_put(T_LONG, &con);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	386 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	387 int cpool_float_put(jfloat value) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	388 jvalue con; con.f = value;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	389 return cpool_primitive_put(T_FLOAT, &con);
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_double_put(jdouble value) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	392 jvalue con; con.d = value;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	393 return cpool_primitive_put(T_DOUBLE, &con);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	394 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	395
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	396 int cpool_object_put(Handle obj) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	397 return cpool_oop_put(JVM_CONSTANT_Object, obj);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	398 }
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2001 diff changeset	399 int cpool_symbol_put(Symbol* sym) {
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2001 diff changeset	400 return cpool_symbol_put(JVM_CONSTANT_Utf8, sym);
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	401 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	402 int cpool_klass_put(klassOop klass) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	403 return cpool_oop_put(JVM_CONSTANT_Class, klass);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	404 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	405 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	406 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	407 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	408 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	409 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	410 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	411
3388 a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp never parents: 3371 diff changeset	412 void emit_bc(Bytecodes::Code op, int index = 0, int args_size = -1);
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	413 void emit_load(BasicType bt, int index);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	414 void emit_store(BasicType bt, int index);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	415 void emit_load_constant(ArgToken arg);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	416
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	417 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	418 return ArgToken(tt_parameter, type, argnum);
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	419 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	420 virtual ArgToken make_oop_constant(oop con, TRAPS) {
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	421 Handle h(THREAD, con);
3740 5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly never parents: 3388 diff changeset	422 return ArgToken(h);
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	423 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	424 virtual ArgToken make_prim_constant(BasicType type, jvalue* con, TRAPS) {
3388 a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp never parents: 3371 diff changeset	425 return ArgToken(type, *con);
1133 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
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	428 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	429 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	430 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	431
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	432 // Get a real constant pool.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	433 constantPoolHandle get_constant_pool(TRAPS) const;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	434
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	435 // Get a real methodOop.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	436 methodHandle get_method_oop(TRAPS) const;
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	437
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	438 public:
3388 a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp never parents: 3371 diff changeset	439 MethodHandleCompiler(Handle root, Symbol* name, Symbol* signature, int invoke_count, bool for_invokedynamic, TRAPS);
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	440
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	441 // Compile the given MH chain into bytecode.
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1133 diff changeset	442 methodHandle compile(TRAPS);
1152 cd37471eaecc 6914206: change way of permission checking for generated MethodHandle adapters twisti parents: 1138 diff changeset	443
cd37471eaecc 6914206: change way of permission checking for generated MethodHandle adapters twisti parents: 1138 diff changeset	444 // 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	445 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	446 return (klass == SystemDictionary::MethodHandle_klass());
1152 cd37471eaecc 6914206: change way of permission checking for generated MethodHandle adapters twisti parents: 1138 diff changeset	447 }
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: diff changeset	448 };
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	449
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	450 #endif // SHARE_VM_PRIMS_METHODHANDLEWALK_HPP

Mercurial > hg > truffle

annotate src/share/vm/prims/methodHandleWalk.hpp @ 3740:5ac411b3b8fc