truffle: src/share/vm/ci/ciSymbol.hpp annotate

annotate src/share/vm/ci/ciSymbol.hpp @ 17716:cdb71841f4bc

6498581: ThreadInterruptTest3 produces wrong output on Windows Summary: There is race condition between os::interrupt and os::is_interrupted on Windows. In JVM_Sleep(Thread.sleep), check if thread gets interrupted, it may see interrupted but not really interrupted so cause spurious waking up (early return from sleep). Fix by checking if interrupt event really gets set thus prevent false return. For intrinsic of _isInterrupted, on Windows, go fastpath only on bit not set. Reviewed-by: acorn, kvn Contributed-by: david.holmes@oracle.com, yumin.qi@oracle.com

author	minqi
date	Wed, 26 Feb 2014 15:20:41 -0800
parents	b2e698d2276c
children	cefad50507d8

rev	line source
0 a61af66fc99e Initial load duke parents: diff changeset	1 /*
12264 b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 6972 diff changeset	2 * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
0 a61af66fc99e Initial load duke parents: diff changeset	3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
a61af66fc99e Initial load duke parents: diff changeset	4 *
a61af66fc99e Initial load duke parents: diff changeset	5 * This code is free software; you can redistribute it and/or modify it
a61af66fc99e Initial load duke parents: diff changeset	6 * under the terms of the GNU General Public License version 2 only, as
a61af66fc99e Initial load duke parents: diff changeset	7 * published by the Free Software Foundation.
a61af66fc99e Initial load duke parents: diff changeset	8 *
a61af66fc99e Initial load duke parents: diff changeset	9 * This code is distributed in the hope that it will be useful, but WITHOUT
a61af66fc99e Initial load duke parents: diff changeset	10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
a61af66fc99e Initial load duke parents: diff changeset	11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
a61af66fc99e Initial load duke parents: diff changeset	12 * version 2 for more details (a copy is included in the LICENSE file that
a61af66fc99e Initial load duke parents: diff changeset	13 * accompanied this code).
a61af66fc99e Initial load duke parents: diff changeset	14 *
a61af66fc99e Initial load duke parents: diff changeset	15 * You should have received a copy of the GNU General Public License version
a61af66fc99e Initial load duke parents: diff changeset	16 * 2 along with this work; if not, write to the Free Software Foundation,
a61af66fc99e Initial load duke parents: diff changeset	17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
a61af66fc99e Initial load duke parents: diff changeset	18 *
1552 c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1507 diff changeset	19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1507 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: 1507 diff changeset	21 * questions.
0 a61af66fc99e Initial load duke parents: diff changeset	22 *
a61af66fc99e Initial load duke parents: diff changeset	23 */
a61af66fc99e Initial load duke parents: diff changeset	24
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	25 #ifndef SHARE_VM_CI_CISYMBOL_HPP
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	26 #define SHARE_VM_CI_CISYMBOL_HPP
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	27
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	28 #include "ci/ciBaseObject.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	29 #include "ci/ciObject.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	30 #include "ci/ciObjectFactory.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	31 #include "classfile/vmSymbols.hpp"
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	32 #include "oops/symbol.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	33
0 a61af66fc99e Initial load duke parents: diff changeset	34 // ciSymbol
a61af66fc99e Initial load duke parents: diff changeset	35 //
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	36 // This class represents a Symbol* in the HotSpot virtual
0 a61af66fc99e Initial load duke parents: diff changeset	37 // machine.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	38 class ciSymbol : public ciBaseObject {
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	39 Symbol* _symbol;
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	40
0 a61af66fc99e Initial load duke parents: diff changeset	41 CI_PACKAGE_ACCESS
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	42 // These friends all make direct use of get_symbol:
0 a61af66fc99e Initial load duke parents: diff changeset	43 friend class ciEnv;
a61af66fc99e Initial load duke parents: diff changeset	44 friend class ciInstanceKlass;
a61af66fc99e Initial load duke parents: diff changeset	45 friend class ciSignature;
a61af66fc99e Initial load duke parents: diff changeset	46 friend class ciMethod;
12264 b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 6972 diff changeset	47 friend class ciField;
0 a61af66fc99e Initial load duke parents: diff changeset	48 friend class ciObjArrayKlass;
a61af66fc99e Initial load duke parents: diff changeset	49
a61af66fc99e Initial load duke parents: diff changeset	50 private:
1507 cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1138 diff changeset	51 const vmSymbols::SID _sid;
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	52 DEBUG_ONLY( bool sid_ok() { return vmSymbols::find_sid(get_symbol()) == _sid; } )
1507 cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1138 diff changeset	53
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	54 ciSymbol(Symbol* s); // normal case, for symbols not mentioned in vmSymbols
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	55 ciSymbol(Symbol* s, vmSymbols::SID sid); // for use with vmSymbols
0 a61af66fc99e Initial load duke parents: diff changeset	56
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	57 Symbol* get_symbol() const { return _symbol; }
0 a61af66fc99e Initial load duke parents: diff changeset	58
a61af66fc99e Initial load duke parents: diff changeset	59 const char* type_string() { return "ciSymbol"; }
a61af66fc99e Initial load duke parents: diff changeset	60
a61af66fc99e Initial load duke parents: diff changeset	61 void print_impl(outputStream* st);
a61af66fc99e Initial load duke parents: diff changeset	62
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	63 // This is public in Symbol* but private here, because the base can move:
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	64 const jbyte* base();
0 a61af66fc99e Initial load duke parents: diff changeset	65
a61af66fc99e Initial load duke parents: diff changeset	66 // Make a ciSymbol from a C string (implementation).
a61af66fc99e Initial load duke parents: diff changeset	67 static ciSymbol* make_impl(const char* s);
a61af66fc99e Initial load duke parents: diff changeset	68
a61af66fc99e Initial load duke parents: diff changeset	69 public:
1507 cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1138 diff changeset	70 // The enumeration ID from vmSymbols, or vmSymbols::NO_SID if none.
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1138 diff changeset	71 vmSymbols::SID sid() const { return _sid; }
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1138 diff changeset	72
0 a61af66fc99e Initial load duke parents: diff changeset	73 // The text of the symbol as a null-terminated utf8 string.
a61af66fc99e Initial load duke parents: diff changeset	74 const char* as_utf8();
a61af66fc99e Initial load duke parents: diff changeset	75 int utf8_length();
a61af66fc99e Initial load duke parents: diff changeset	76
6972 bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	77 // The text of the symbol as ascii with all non-printable characters quoted as \u####
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	78 const char* as_quoted_ascii();
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	79
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 0 diff changeset	80 // Return the i-th utf8 byte, where i < utf8_length
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 0 diff changeset	81 int byte_at(int i);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 0 diff changeset	82
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 0 diff changeset	83 // Tests if the symbol starts with the given prefix.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 0 diff changeset	84 bool starts_with(const char* prefix, int len) const;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 0 diff changeset	85
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 0 diff changeset	86 // Determines where the symbol contains the given substring.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 0 diff changeset	87 int index_of_at(int i, const char* str, int len) const;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 0 diff changeset	88
0 a61af66fc99e Initial load duke parents: diff changeset	89 void print_symbol_on(outputStream* st);
a61af66fc99e Initial load duke parents: diff changeset	90 void print_symbol() {
a61af66fc99e Initial load duke parents: diff changeset	91 print_symbol_on(tty);
a61af66fc99e Initial load duke parents: diff changeset	92 }
a61af66fc99e Initial load duke parents: diff changeset	93
a61af66fc99e Initial load duke parents: diff changeset	94 // Make a ciSymbol from a C string.
a61af66fc99e Initial load duke parents: diff changeset	95 // Consider adding to vmSymbols.hpp instead of using this constructor.
a61af66fc99e Initial load duke parents: diff changeset	96 // (Your code will be less subject to typographical bugs.)
a61af66fc99e Initial load duke parents: diff changeset	97 static ciSymbol* make(const char* s);
a61af66fc99e Initial load duke parents: diff changeset	98
a61af66fc99e Initial load duke parents: diff changeset	99 #define CI_SYMBOL_DECLARE(name, ignore_def) \
a61af66fc99e Initial load duke parents: diff changeset	100 static ciSymbol* name() { return ciObjectFactory::vm_symbol_at(vmSymbols::VM_SYMBOL_ENUM_NAME(name)); }
a61af66fc99e Initial load duke parents: diff changeset	101 VM_SYMBOLS_DO(CI_SYMBOL_DECLARE, CI_SYMBOL_DECLARE)
a61af66fc99e Initial load duke parents: diff changeset	102 #undef CI_SYMBOL_DECLARE
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	103
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	104 void print() {
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	105 _symbol->print();
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	106 }
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	107
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	108 virtual bool is_symbol() const { return true; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	109
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	110 // Are two ciSymbols equal?
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	111 bool equals(ciSymbol* obj) { return this->_symbol == obj->get_symbol(); }
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 2426 diff changeset	112
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 2426 diff changeset	113 bool is_signature_polymorphic_name() const;
0 a61af66fc99e Initial load duke parents: diff changeset	114 };
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	115
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	116 #endif // SHARE_VM_CI_CISYMBOL_HPP

Mercurial > hg > truffle

annotate src/share/vm/ci/ciSymbol.hpp @ 17716:cdb71841f4bc