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src/share/vm/interpreter/bytecodes.cpp@710a3c8b516e (annotated)

src/share/vm/interpreter/bytecodes.cpp

Tue, 08 Aug 2017 15:57:29 +0800

author

aoqi

date

Tue, 08 Aug 2017 15:57:29 +0800

changeset 6876

710a3c8b516e

parent 4037

da91efe96a93

parent 1

2d8a650513c2

child 8604

04d83ba48607

permissions

-rw-r--r--

merge

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation.
aoqi@0	8	*
aoqi@0	9	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	12	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	13	* accompanied this code).
aoqi@0	14	*
aoqi@0	15	* You should have received a copy of the GNU General Public License version
aoqi@0	16	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	18	*
aoqi@0	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	20	* or visit www.oracle.com if you need additional information or have any
aoqi@0	21	* questions.
aoqi@0	22	*
aoqi@0	23	*/
aoqi@0	24
aoqi@1	25	/*
aoqi@1	26	* This file has been modified by Loongson Technology in 2015. These
aoqi@1	27	* modifications are Copyright (c) 2015 Loongson Technology, and are made
aoqi@1	28	* available on the same license terms set forth above.
aoqi@1	29	*/
aoqi@1	30
aoqi@0	31	#include "precompiled.hpp"
aoqi@0	32	#include "interpreter/bytecodes.hpp"
aoqi@0	33	#include "memory/resourceArea.hpp"
aoqi@0	34	#include "oops/method.hpp"
aoqi@0	35	#ifdef TARGET_ARCH_x86
aoqi@0	36	# include "bytes_x86.hpp"
aoqi@0	37	#endif
aoqi@1	38	#ifdef TARGET_ARCH_mips
aoqi@1	39	# include "bytes_mips.hpp"
aoqi@1	40	#endif
aoqi@0	41	#ifdef TARGET_ARCH_sparc
aoqi@0	42	# include "bytes_sparc.hpp"
aoqi@0	43	#endif
aoqi@0	44	#ifdef TARGET_ARCH_zero
aoqi@0	45	# include "bytes_zero.hpp"
aoqi@0	46	#endif
aoqi@0	47	#ifdef TARGET_ARCH_arm
aoqi@0	48	# include "bytes_arm.hpp"
aoqi@0	49	#endif
aoqi@0	50	#ifdef TARGET_ARCH_ppc
aoqi@0	51	# include "bytes_ppc.hpp"
aoqi@0	52	#endif
aoqi@0	53
aoqi@0	54
aoqi@0	55	#if defined(WIN32) && (defined(_MSC_VER) && (_MSC_VER < 1600))
aoqi@0	56	// Windows AMD64 Compiler Hangs compiling this file
aoqi@0	57	// unless optimization is off
aoqi@0	58	#ifdef _M_AMD64
aoqi@0	59	#pragma optimize ("", off)
aoqi@0	60	#endif
aoqi@0	61	#endif
aoqi@0	62
aoqi@0	63
aoqi@0	64	bool Bytecodes::_is_initialized = false;
aoqi@0	65	const char* Bytecodes::_name [Bytecodes::number_of_codes];
aoqi@0	66	BasicType Bytecodes::_result_type [Bytecodes::number_of_codes];
aoqi@0	67	s_char Bytecodes::_depth [Bytecodes::number_of_codes];
aoqi@0	68	u_char Bytecodes::_lengths [Bytecodes::number_of_codes];
aoqi@0	69	Bytecodes::Code Bytecodes::_java_code [Bytecodes::number_of_codes];
aoqi@0	70	u_short Bytecodes::_flags [(1<<BitsPerByte)*2];
aoqi@0	71
aoqi@0	72	#ifdef ASSERT
aoqi@0	73	bool Bytecodes::check_method(const Method* method, address bcp) {
aoqi@0	74	return method->contains(bcp);
aoqi@0	75	}
aoqi@0	76	#endif
aoqi@0	77
aoqi@0	78	bool Bytecodes::check_must_rewrite(Bytecodes::Code code) {
aoqi@0	79	assert(can_rewrite(code), "post-check only");
aoqi@0	80
aoqi@0	81	// Some codes are conditionally rewriting. Look closely at them.
aoqi@0	82	switch (code) {
aoqi@0	83	case Bytecodes::_aload_0:
aoqi@0	84	// Even if RewriteFrequentPairs is turned on,
aoqi@0	85	// the _aload_0 code might delay its rewrite until
aoqi@0	86	// a following _getfield rewrites itself.
aoqi@0	87	return false;
aoqi@0	88
aoqi@0	89	case Bytecodes::_lookupswitch:
aoqi@0	90	return false; // the rewrite is not done by the interpreter
aoqi@0	91
aoqi@0	92	case Bytecodes::_new:
aoqi@0	93	// (Could actually look at the class here, but the profit would be small.)
aoqi@0	94	return false; // the rewrite is not always done
aoqi@0	95	}
aoqi@0	96
aoqi@0	97	// No other special cases.
aoqi@0	98	return true;
aoqi@0	99	}
aoqi@0	100
aoqi@0	101	Bytecodes::Code Bytecodes::code_at(Method* method, int bci) {
aoqi@0	102	return code_at(method, method->bcp_from(bci));
aoqi@0	103	}
aoqi@0	104
aoqi@0	105	Bytecodes::Code Bytecodes::non_breakpoint_code_at(const Method* method, address bcp) {
aoqi@0	106	assert(method != NULL, "must have the method for breakpoint conversion");
aoqi@0	107	assert(method->contains(bcp), "must be valid bcp in method");
aoqi@0	108	return method->orig_bytecode_at(method->bci_from(bcp));
aoqi@0	109	}
aoqi@0	110
aoqi@0	111	int Bytecodes::special_length_at(Bytecodes::Code code, address bcp, address end) {
aoqi@0	112	switch (code) {
aoqi@0	113	case _wide:
aoqi@0	114	if (end != NULL && bcp + 1 >= end) {
aoqi@0	115	return -1; // don't read past end of code buffer
aoqi@0	116	}
aoqi@0	117	return wide_length_for(cast(*(bcp + 1)));
aoqi@0	118	case _tableswitch:
aoqi@0	119	{ address aligned_bcp = (address)round_to((intptr_t)bcp + 1, jintSize);
aoqi@0	120	if (end != NULL && aligned_bcp + 3*jintSize >= end) {
aoqi@0	121	return -1; // don't read past end of code buffer
aoqi@0	122	}
aoqi@0	123	jlong lo = (jint)Bytes::get_Java_u4(aligned_bcp + 1*jintSize);
aoqi@0	124	jlong hi = (jint)Bytes::get_Java_u4(aligned_bcp + 2*jintSize);
aoqi@0	125	jlong len = (aligned_bcp - bcp) + (3 + hi - lo + 1)*jintSize;
aoqi@0	126	// only return len if it can be represented as a positive int;
aoqi@0	127	// return -1 otherwise
aoqi@0	128	return (len > 0 && len == (int)len) ? len : -1;
aoqi@0	129	}
aoqi@0	130
aoqi@0	131	case _lookupswitch: // fall through
aoqi@0	132	case _fast_binaryswitch: // fall through
aoqi@0	133	case _fast_linearswitch:
aoqi@0	134	{ address aligned_bcp = (address)round_to((intptr_t)bcp + 1, jintSize);
aoqi@0	135	if (end != NULL && aligned_bcp + 2*jintSize >= end) {
aoqi@0	136	return -1; // don't read past end of code buffer
aoqi@0	137	}
aoqi@0	138	jlong npairs = (jint)Bytes::get_Java_u4(aligned_bcp + jintSize);
aoqi@0	139	jlong len = (aligned_bcp - bcp) + (2 + 2*npairs)*jintSize;
aoqi@0	140	// only return len if it can be represented as a positive int;
aoqi@0	141	// return -1 otherwise
aoqi@0	142	return (len > 0 && len == (int)len) ? len : -1;
aoqi@0	143	}
aoqi@0	144	}
aoqi@0	145	// Note: Length functions must return <=0 for invalid bytecodes.
aoqi@0	146	return 0;
aoqi@0	147	}
aoqi@0	148
aoqi@0	149	// At a breakpoint instruction, this returns the breakpoint's length,
aoqi@0	150	// otherwise, it's the same as special_length_at(). This is used by
aoqi@0	151	// the RawByteCodeStream, which wants to see the actual bytecode
aoqi@0	152	// values (including breakpoint). RawByteCodeStream is used by the
aoqi@0	153	// verifier when reading in bytecode to verify. Other mechanisms that
aoqi@0	154	// run at runtime (such as generateOopMaps) need to iterate over the code
aoqi@0	155	// and don't expect to see breakpoints: they want to see the instruction
aoqi@0	156	// which was replaced so that they can get the correct length and find
aoqi@0	157	// the next bytecode.
aoqi@0	158	//
aoqi@0	159	// 'end' indicates the end of the code buffer, which we should not try to read
aoqi@0	160	// past.
aoqi@0	161	int Bytecodes::raw_special_length_at(address bcp, address end) {
aoqi@0	162	Code code = code_or_bp_at(bcp);
aoqi@0	163	if (code == _breakpoint) {
aoqi@0	164	return 1;
aoqi@0	165	} else {
aoqi@0	166	return special_length_at(code, bcp, end);
aoqi@0	167	}
aoqi@0	168	}
aoqi@0	169
aoqi@0	170
aoqi@0	171
aoqi@0	172	void Bytecodes::def(Code code, const char* name, const char* format, const char* wide_format, BasicType result_type, int depth, bool can_trap) {
aoqi@0	173	def(code, name, format, wide_format, result_type, depth, can_trap, code);
aoqi@0	174	}
aoqi@0	175
aoqi@0	176
aoqi@0	177	void Bytecodes::def(Code code, const char* name, const char* format, const char* wide_format, BasicType result_type, int depth, bool can_trap, Code java_code) {
aoqi@0	178	assert(wide_format == NULL || format != NULL, "short form must exist if there's a wide form");
aoqi@0	179	int len = (format != NULL ? (int) strlen(format) : 0);
aoqi@0	180	int wlen = (wide_format != NULL ? (int) strlen(wide_format) : 0);
aoqi@0	181	_name [code] = name;
aoqi@0	182	_result_type [code] = result_type;
aoqi@0	183	_depth [code] = depth;
aoqi@0	184	_lengths [code] = (wlen << 4) | (len & 0xF);
aoqi@0	185	_java_code [code] = java_code;
aoqi@0	186	int bc_flags = 0;
aoqi@0	187	if (can_trap) bc_flags |= _bc_can_trap;
aoqi@0	188	if (java_code != code) bc_flags |= _bc_can_rewrite;
aoqi@0	189	_flags[(u1)code+0*(1<<BitsPerByte)] = compute_flags(format, bc_flags);
aoqi@0	190	_flags[(u1)code+1*(1<<BitsPerByte)] = compute_flags(wide_format, bc_flags);
aoqi@0	191	assert(is_defined(code) == (format != NULL), "");
aoqi@0	192	assert(wide_is_defined(code) == (wide_format != NULL), "");
aoqi@0	193	assert(length_for(code) == len, "");
aoqi@0	194	assert(wide_length_for(code) == wlen, "");
aoqi@0	195	}
aoqi@0	196
aoqi@0	197
aoqi@0	198	// Format strings interpretation:
aoqi@0	199	//
aoqi@0	200	// b: bytecode
aoqi@0	201	// c: signed constant, Java byte-ordering
aoqi@0	202	// i: unsigned local index, Java byte-ordering (I = native byte ordering)
aoqi@0	203	// j: unsigned CP cache index, Java byte-ordering (J = native byte ordering)
aoqi@0	204	// k: unsigned CP index, Java byte-ordering
aoqi@0	205	// o: branch offset, Java byte-ordering
aoqi@0	206	// _: unused/ignored
aoqi@0	207	// w: wide bytecode
aoqi@0	208	//
aoqi@0	209	// Note: The format strings are used for 2 purposes:
aoqi@0	210	// 1. to specify the length of the bytecode
aoqi@0	211	// (= number of characters in format string)
aoqi@0	212	// 2. to derive bytecode format flags (_fmt_has_k, etc.)
aoqi@0	213	//
aoqi@0	214	// Note: For bytecodes with variable length, the format string is the empty string.
aoqi@0	215
aoqi@0	216	int Bytecodes::compute_flags(const char* format, int more_flags) {
aoqi@0	217	if (format == NULL) return 0; // not even more_flags
aoqi@0	218	int flags = more_flags;
aoqi@0	219	const char* fp = format;
aoqi@0	220	switch (*fp) {
aoqi@0	221	case '\0':
aoqi@0	222	flags |= _fmt_not_simple; // but variable
aoqi@0	223	break;
aoqi@0	224	case 'b':
aoqi@0	225	flags |= _fmt_not_variable; // but simple
aoqi@0	226	++fp; // skip 'b'
aoqi@0	227	break;
aoqi@0	228	case 'w':
aoqi@0	229	flags |= _fmt_not_variable | _fmt_not_simple;
aoqi@0	230	++fp; // skip 'w'
aoqi@0	231	guarantee(*fp == 'b', "wide format must start with 'wb'");
aoqi@0	232	++fp; // skip 'b'
aoqi@0	233	break;
aoqi@0	234	}
aoqi@0	235
aoqi@0	236	int has_nbo = 0, has_jbo = 0, has_size = 0;
aoqi@0	237	for (;;) {
aoqi@0	238	int this_flag = 0;
aoqi@0	239	char fc = *fp++;
aoqi@0	240	switch (fc) {
aoqi@0	241	case '\0': // end of string
aoqi@0	242	assert(flags == (jchar)flags, "change _format_flags");
aoqi@0	243	return flags;
aoqi@0	244
aoqi@0	245	case '_': continue; // ignore these
aoqi@0	246
aoqi@0	247	case 'j': this_flag = _fmt_has_j; has_jbo = 1; break;
aoqi@0	248	case 'k': this_flag = _fmt_has_k; has_jbo = 1; break;
aoqi@0	249	case 'i': this_flag = _fmt_has_i; has_jbo = 1; break;
aoqi@0	250	case 'c': this_flag = _fmt_has_c; has_jbo = 1; break;
aoqi@0	251	case 'o': this_flag = _fmt_has_o; has_jbo = 1; break;
aoqi@0	252
aoqi@0	253	// uppercase versions mark native byte order (from Rewriter)
aoqi@0	254	// actually, only the 'J' case happens currently
aoqi@0	255	case 'J': this_flag = _fmt_has_j; has_nbo = 1; break;
aoqi@0	256	case 'K': this_flag = _fmt_has_k; has_nbo = 1; break;
aoqi@0	257	case 'I': this_flag = _fmt_has_i; has_nbo = 1; break;
aoqi@0	258	case 'C': this_flag = _fmt_has_c; has_nbo = 1; break;
aoqi@0	259	case 'O': this_flag = _fmt_has_o; has_nbo = 1; break;
aoqi@0	260	default: guarantee(false, "bad char in format");
aoqi@0	261	}
aoqi@0	262
aoqi@0	263	flags |= this_flag;
aoqi@0	264
aoqi@0	265	guarantee(!(has_jbo && has_nbo), "mixed byte orders in format");
aoqi@0	266	if (has_nbo)
aoqi@0	267	flags |= _fmt_has_nbo;
aoqi@0	268
aoqi@0	269	int this_size = 1;
aoqi@0	270	if (*fp == fc) {
aoqi@0	271	// advance beyond run of the same characters
aoqi@0	272	this_size = 2;
aoqi@0	273	while (*++fp == fc) this_size++;
aoqi@0	274	switch (this_size) {
aoqi@0	275	case 2: flags |= _fmt_has_u2; break;
aoqi@0	276	case 4: flags |= _fmt_has_u4; break;
aoqi@0	277	default: guarantee(false, "bad rep count in format");
aoqi@0	278	}
aoqi@0	279	}
aoqi@0	280	guarantee(has_size == 0 || // no field yet
aoqi@0	281	this_size == has_size || // same size
aoqi@0	282	this_size < has_size && *fp == '\0', // last field can be short
aoqi@0	283	"mixed field sizes in format");
aoqi@0	284	has_size = this_size;
aoqi@0	285	}
aoqi@0	286	}
aoqi@0	287
aoqi@0	288	void Bytecodes::initialize() {
aoqi@0	289	if (_is_initialized) return;
aoqi@0	290	assert(number_of_codes <= 256, "too many bytecodes");
aoqi@0	291
aoqi@0	292	// initialize bytecode tables - didn't use static array initializers
aoqi@0	293	// (such as {}) so we can do additional consistency checks and init-
aoqi@0	294	// code is independent of actual bytecode numbering.
aoqi@0	295	//
aoqi@0	296	// Note 1: NULL for the format string means the bytecode doesn't exist
aoqi@0	297	// in that form.
aoqi@0	298	//
aoqi@0	299	// Note 2: The result type is T_ILLEGAL for bytecodes where the top of stack
aoqi@0	300	// type after execution is not only determined by the bytecode itself.
aoqi@0	301
aoqi@0	302	// Java bytecodes
aoqi@0	303	// bytecode bytecode name format wide f. result tp stk traps
aoqi@0	304	def(_nop , "nop" , "b" , NULL , T_VOID , 0, false);
aoqi@0	305	def(_aconst_null , "aconst_null" , "b" , NULL , T_OBJECT , 1, false);
aoqi@0	306	def(_iconst_m1 , "iconst_m1" , "b" , NULL , T_INT , 1, false);
aoqi@0	307	def(_iconst_0 , "iconst_0" , "b" , NULL , T_INT , 1, false);
aoqi@0	308	def(_iconst_1 , "iconst_1" , "b" , NULL , T_INT , 1, false);
aoqi@0	309	def(_iconst_2 , "iconst_2" , "b" , NULL , T_INT , 1, false);
aoqi@0	310	def(_iconst_3 , "iconst_3" , "b" , NULL , T_INT , 1, false);
aoqi@0	311	def(_iconst_4 , "iconst_4" , "b" , NULL , T_INT , 1, false);
aoqi@0	312	def(_iconst_5 , "iconst_5" , "b" , NULL , T_INT , 1, false);
aoqi@0	313	def(_lconst_0 , "lconst_0" , "b" , NULL , T_LONG , 2, false);
aoqi@0	314	def(_lconst_1 , "lconst_1" , "b" , NULL , T_LONG , 2, false);
aoqi@0	315	def(_fconst_0 , "fconst_0" , "b" , NULL , T_FLOAT , 1, false);
aoqi@0	316	def(_fconst_1 , "fconst_1" , "b" , NULL , T_FLOAT , 1, false);
aoqi@0	317	def(_fconst_2 , "fconst_2" , "b" , NULL , T_FLOAT , 1, false);
aoqi@0	318	def(_dconst_0 , "dconst_0" , "b" , NULL , T_DOUBLE , 2, false);
aoqi@0	319	def(_dconst_1 , "dconst_1" , "b" , NULL , T_DOUBLE , 2, false);
aoqi@0	320	def(_bipush , "bipush" , "bc" , NULL , T_INT , 1, false);
aoqi@0	321	def(_sipush , "sipush" , "bcc" , NULL , T_INT , 1, false);
aoqi@0	322	def(_ldc , "ldc" , "bk" , NULL , T_ILLEGAL, 1, true );
aoqi@0	323	def(_ldc_w , "ldc_w" , "bkk" , NULL , T_ILLEGAL, 1, true );
aoqi@0	324	def(_ldc2_w , "ldc2_w" , "bkk" , NULL , T_ILLEGAL, 2, true );
aoqi@0	325	def(_iload , "iload" , "bi" , "wbii" , T_INT , 1, false);
aoqi@0	326	def(_lload , "lload" , "bi" , "wbii" , T_LONG , 2, false);
aoqi@0	327	def(_fload , "fload" , "bi" , "wbii" , T_FLOAT , 1, false);
aoqi@0	328	def(_dload , "dload" , "bi" , "wbii" , T_DOUBLE , 2, false);
aoqi@0	329	def(_aload , "aload" , "bi" , "wbii" , T_OBJECT , 1, false);
aoqi@0	330	def(_iload_0 , "iload_0" , "b" , NULL , T_INT , 1, false);
aoqi@0	331	def(_iload_1 , "iload_1" , "b" , NULL , T_INT , 1, false);
aoqi@0	332	def(_iload_2 , "iload_2" , "b" , NULL , T_INT , 1, false);
aoqi@0	333	def(_iload_3 , "iload_3" , "b" , NULL , T_INT , 1, false);
aoqi@0	334	def(_lload_0 , "lload_0" , "b" , NULL , T_LONG , 2, false);
aoqi@0	335	def(_lload_1 , "lload_1" , "b" , NULL , T_LONG , 2, false);
aoqi@0	336	def(_lload_2 , "lload_2" , "b" , NULL , T_LONG , 2, false);
aoqi@0	337	def(_lload_3 , "lload_3" , "b" , NULL , T_LONG , 2, false);
aoqi@0	338	def(_fload_0 , "fload_0" , "b" , NULL , T_FLOAT , 1, false);
aoqi@0	339	def(_fload_1 , "fload_1" , "b" , NULL , T_FLOAT , 1, false);
aoqi@0	340	def(_fload_2 , "fload_2" , "b" , NULL , T_FLOAT , 1, false);
aoqi@0	341	def(_fload_3 , "fload_3" , "b" , NULL , T_FLOAT , 1, false);
aoqi@0	342	def(_dload_0 , "dload_0" , "b" , NULL , T_DOUBLE , 2, false);
aoqi@0	343	def(_dload_1 , "dload_1" , "b" , NULL , T_DOUBLE , 2, false);
aoqi@0	344	def(_dload_2 , "dload_2" , "b" , NULL , T_DOUBLE , 2, false);
aoqi@0	345	def(_dload_3 , "dload_3" , "b" , NULL , T_DOUBLE , 2, false);
aoqi@0	346	def(_aload_0 , "aload_0" , "b" , NULL , T_OBJECT , 1, true ); // rewriting in interpreter
aoqi@0	347	def(_aload_1 , "aload_1" , "b" , NULL , T_OBJECT , 1, false);
aoqi@0	348	def(_aload_2 , "aload_2" , "b" , NULL , T_OBJECT , 1, false);
aoqi@0	349	def(_aload_3 , "aload_3" , "b" , NULL , T_OBJECT , 1, false);
aoqi@0	350	def(_iaload , "iaload" , "b" , NULL , T_INT , -1, true );
aoqi@0	351	def(_laload , "laload" , "b" , NULL , T_LONG , 0, true );
aoqi@0	352	def(_faload , "faload" , "b" , NULL , T_FLOAT , -1, true );
aoqi@0	353	def(_daload , "daload" , "b" , NULL , T_DOUBLE , 0, true );
aoqi@0	354	def(_aaload , "aaload" , "b" , NULL , T_OBJECT , -1, true );
aoqi@0	355	def(_baload , "baload" , "b" , NULL , T_INT , -1, true );
aoqi@0	356	def(_caload , "caload" , "b" , NULL , T_INT , -1, true );
aoqi@0	357	def(_saload , "saload" , "b" , NULL , T_INT , -1, true );
aoqi@0	358	def(_istore , "istore" , "bi" , "wbii" , T_VOID , -1, false);
aoqi@0	359	def(_lstore , "lstore" , "bi" , "wbii" , T_VOID , -2, false);
aoqi@0	360	def(_fstore , "fstore" , "bi" , "wbii" , T_VOID , -1, false);
aoqi@0	361	def(_dstore , "dstore" , "bi" , "wbii" , T_VOID , -2, false);
aoqi@0	362	def(_astore , "astore" , "bi" , "wbii" , T_VOID , -1, false);
aoqi@0	363	def(_istore_0 , "istore_0" , "b" , NULL , T_VOID , -1, false);
aoqi@0	364	def(_istore_1 , "istore_1" , "b" , NULL , T_VOID , -1, false);
aoqi@0	365	def(_istore_2 , "istore_2" , "b" , NULL , T_VOID , -1, false);
aoqi@0	366	def(_istore_3 , "istore_3" , "b" , NULL , T_VOID , -1, false);
aoqi@0	367	def(_lstore_0 , "lstore_0" , "b" , NULL , T_VOID , -2, false);
aoqi@0	368	def(_lstore_1 , "lstore_1" , "b" , NULL , T_VOID , -2, false);
aoqi@0	369	def(_lstore_2 , "lstore_2" , "b" , NULL , T_VOID , -2, false);
aoqi@0	370	def(_lstore_3 , "lstore_3" , "b" , NULL , T_VOID , -2, false);
aoqi@0	371	def(_fstore_0 , "fstore_0" , "b" , NULL , T_VOID , -1, false);
aoqi@0	372	def(_fstore_1 , "fstore_1" , "b" , NULL , T_VOID , -1, false);
aoqi@0	373	def(_fstore_2 , "fstore_2" , "b" , NULL , T_VOID , -1, false);
aoqi@0	374	def(_fstore_3 , "fstore_3" , "b" , NULL , T_VOID , -1, false);
aoqi@0	375	def(_dstore_0 , "dstore_0" , "b" , NULL , T_VOID , -2, false);
aoqi@0	376	def(_dstore_1 , "dstore_1" , "b" , NULL , T_VOID , -2, false);
aoqi@0	377	def(_dstore_2 , "dstore_2" , "b" , NULL , T_VOID , -2, false);
aoqi@0	378	def(_dstore_3 , "dstore_3" , "b" , NULL , T_VOID , -2, false);
aoqi@0	379	def(_astore_0 , "astore_0" , "b" , NULL , T_VOID , -1, false);
aoqi@0	380	def(_astore_1 , "astore_1" , "b" , NULL , T_VOID , -1, false);
aoqi@0	381	def(_astore_2 , "astore_2" , "b" , NULL , T_VOID , -1, false);
aoqi@0	382	def(_astore_3 , "astore_3" , "b" , NULL , T_VOID , -1, false);
aoqi@0	383	def(_iastore , "iastore" , "b" , NULL , T_VOID , -3, true );
aoqi@0	384	def(_lastore , "lastore" , "b" , NULL , T_VOID , -4, true );
aoqi@0	385	def(_fastore , "fastore" , "b" , NULL , T_VOID , -3, true );
aoqi@0	386	def(_dastore , "dastore" , "b" , NULL , T_VOID , -4, true );
aoqi@0	387	def(_aastore , "aastore" , "b" , NULL , T_VOID , -3, true );
aoqi@0	388	def(_bastore , "bastore" , "b" , NULL , T_VOID , -3, true );
aoqi@0	389	def(_castore , "castore" , "b" , NULL , T_VOID , -3, true );
aoqi@0	390	def(_sastore , "sastore" , "b" , NULL , T_VOID , -3, true );
aoqi@0	391	def(_pop , "pop" , "b" , NULL , T_VOID , -1, false);
aoqi@0	392	def(_pop2 , "pop2" , "b" , NULL , T_VOID , -2, false);
aoqi@0	393	def(_dup , "dup" , "b" , NULL , T_VOID , 1, false);
aoqi@0	394	def(_dup_x1 , "dup_x1" , "b" , NULL , T_VOID , 1, false);
aoqi@0	395	def(_dup_x2 , "dup_x2" , "b" , NULL , T_VOID , 1, false);
aoqi@0	396	def(_dup2 , "dup2" , "b" , NULL , T_VOID , 2, false);
aoqi@0	397	def(_dup2_x1 , "dup2_x1" , "b" , NULL , T_VOID , 2, false);
aoqi@0	398	def(_dup2_x2 , "dup2_x2" , "b" , NULL , T_VOID , 2, false);
aoqi@0	399	def(_swap , "swap" , "b" , NULL , T_VOID , 0, false);
aoqi@0	400	def(_iadd , "iadd" , "b" , NULL , T_INT , -1, false);
aoqi@0	401	def(_ladd , "ladd" , "b" , NULL , T_LONG , -2, false);
aoqi@0	402	def(_fadd , "fadd" , "b" , NULL , T_FLOAT , -1, false);
aoqi@0	403	def(_dadd , "dadd" , "b" , NULL , T_DOUBLE , -2, false);
aoqi@0	404	def(_isub , "isub" , "b" , NULL , T_INT , -1, false);
aoqi@0	405	def(_lsub , "lsub" , "b" , NULL , T_LONG , -2, false);
aoqi@0	406	def(_fsub , "fsub" , "b" , NULL , T_FLOAT , -1, false);
aoqi@0	407	def(_dsub , "dsub" , "b" , NULL , T_DOUBLE , -2, false);
aoqi@0	408	def(_imul , "imul" , "b" , NULL , T_INT , -1, false);
aoqi@0	409	def(_lmul , "lmul" , "b" , NULL , T_LONG , -2, false);
aoqi@0	410	def(_fmul , "fmul" , "b" , NULL , T_FLOAT , -1, false);
aoqi@0	411	def(_dmul , "dmul" , "b" , NULL , T_DOUBLE , -2, false);
aoqi@0	412	def(_idiv , "idiv" , "b" , NULL , T_INT , -1, true );
aoqi@0	413	def(_ldiv , "ldiv" , "b" , NULL , T_LONG , -2, true );
aoqi@0	414	def(_fdiv , "fdiv" , "b" , NULL , T_FLOAT , -1, false);
aoqi@0	415	def(_ddiv , "ddiv" , "b" , NULL , T_DOUBLE , -2, false);
aoqi@0	416	def(_irem , "irem" , "b" , NULL , T_INT , -1, true );
aoqi@0	417	def(_lrem , "lrem" , "b" , NULL , T_LONG , -2, true );
aoqi@0	418	def(_frem , "frem" , "b" , NULL , T_FLOAT , -1, false);
aoqi@0	419	def(_drem , "drem" , "b" , NULL , T_DOUBLE , -2, false);
aoqi@0	420	def(_ineg , "ineg" , "b" , NULL , T_INT , 0, false);
aoqi@0	421	def(_lneg , "lneg" , "b" , NULL , T_LONG , 0, false);
aoqi@0	422	def(_fneg , "fneg" , "b" , NULL , T_FLOAT , 0, false);
aoqi@0	423	def(_dneg , "dneg" , "b" , NULL , T_DOUBLE , 0, false);
aoqi@0	424	def(_ishl , "ishl" , "b" , NULL , T_INT , -1, false);
aoqi@0	425	def(_lshl , "lshl" , "b" , NULL , T_LONG , -1, false);
aoqi@0	426	def(_ishr , "ishr" , "b" , NULL , T_INT , -1, false);
aoqi@0	427	def(_lshr , "lshr" , "b" , NULL , T_LONG , -1, false);
aoqi@0	428	def(_iushr , "iushr" , "b" , NULL , T_INT , -1, false);
aoqi@0	429	def(_lushr , "lushr" , "b" , NULL , T_LONG , -1, false);
aoqi@0	430	def(_iand , "iand" , "b" , NULL , T_INT , -1, false);
aoqi@0	431	def(_land , "land" , "b" , NULL , T_LONG , -2, false);
aoqi@0	432	def(_ior , "ior" , "b" , NULL , T_INT , -1, false);
aoqi@0	433	def(_lor , "lor" , "b" , NULL , T_LONG , -2, false);
aoqi@0	434	def(_ixor , "ixor" , "b" , NULL , T_INT , -1, false);
aoqi@0	435	def(_lxor , "lxor" , "b" , NULL , T_LONG , -2, false);
aoqi@0	436	def(_iinc , "iinc" , "bic" , "wbiicc", T_VOID , 0, false);
aoqi@0	437	def(_i2l , "i2l" , "b" , NULL , T_LONG , 1, false);
aoqi@0	438	def(_i2f , "i2f" , "b" , NULL , T_FLOAT , 0, false);
aoqi@0	439	def(_i2d , "i2d" , "b" , NULL , T_DOUBLE , 1, false);
aoqi@0	440	def(_l2i , "l2i" , "b" , NULL , T_INT , -1, false);
aoqi@0	441	def(_l2f , "l2f" , "b" , NULL , T_FLOAT , -1, false);
aoqi@0	442	def(_l2d , "l2d" , "b" , NULL , T_DOUBLE , 0, false);
aoqi@0	443	def(_f2i , "f2i" , "b" , NULL , T_INT , 0, false);
aoqi@0	444	def(_f2l , "f2l" , "b" , NULL , T_LONG , 1, false);
aoqi@0	445	def(_f2d , "f2d" , "b" , NULL , T_DOUBLE , 1, false);
aoqi@0	446	def(_d2i , "d2i" , "b" , NULL , T_INT , -1, false);
aoqi@0	447	def(_d2l , "d2l" , "b" , NULL , T_LONG , 0, false);
aoqi@0	448	def(_d2f , "d2f" , "b" , NULL , T_FLOAT , -1, false);
aoqi@0	449	def(_i2b , "i2b" , "b" , NULL , T_BYTE , 0, false);
aoqi@0	450	def(_i2c , "i2c" , "b" , NULL , T_CHAR , 0, false);
aoqi@0	451	def(_i2s , "i2s" , "b" , NULL , T_SHORT , 0, false);
aoqi@0	452	def(_lcmp , "lcmp" , "b" , NULL , T_VOID , -3, false);
aoqi@0	453	def(_fcmpl , "fcmpl" , "b" , NULL , T_VOID , -1, false);
aoqi@0	454	def(_fcmpg , "fcmpg" , "b" , NULL , T_VOID , -1, false);
aoqi@0	455	def(_dcmpl , "dcmpl" , "b" , NULL , T_VOID , -3, false);
aoqi@0	456	def(_dcmpg , "dcmpg" , "b" , NULL , T_VOID , -3, false);
aoqi@0	457	def(_ifeq , "ifeq" , "boo" , NULL , T_VOID , -1, false);
aoqi@0	458	def(_ifne , "ifne" , "boo" , NULL , T_VOID , -1, false);
aoqi@0	459	def(_iflt , "iflt" , "boo" , NULL , T_VOID , -1, false);
aoqi@0	460	def(_ifge , "ifge" , "boo" , NULL , T_VOID , -1, false);
aoqi@0	461	def(_ifgt , "ifgt" , "boo" , NULL , T_VOID , -1, false);
aoqi@0	462	def(_ifle , "ifle" , "boo" , NULL , T_VOID , -1, false);
aoqi@0	463	def(_if_icmpeq , "if_icmpeq" , "boo" , NULL , T_VOID , -2, false);
aoqi@0	464	def(_if_icmpne , "if_icmpne" , "boo" , NULL , T_VOID , -2, false);
aoqi@0	465	def(_if_icmplt , "if_icmplt" , "boo" , NULL , T_VOID , -2, false);
aoqi@0	466	def(_if_icmpge , "if_icmpge" , "boo" , NULL , T_VOID , -2, false);
aoqi@0	467	def(_if_icmpgt , "if_icmpgt" , "boo" , NULL , T_VOID , -2, false);
aoqi@0	468	def(_if_icmple , "if_icmple" , "boo" , NULL , T_VOID , -2, false);
aoqi@0	469	def(_if_acmpeq , "if_acmpeq" , "boo" , NULL , T_VOID , -2, false);
aoqi@0	470	def(_if_acmpne , "if_acmpne" , "boo" , NULL , T_VOID , -2, false);
aoqi@0	471	def(_goto , "goto" , "boo" , NULL , T_VOID , 0, false);
aoqi@0	472	def(_jsr , "jsr" , "boo" , NULL , T_INT , 0, false);
aoqi@0	473	def(_ret , "ret" , "bi" , "wbii" , T_VOID , 0, false);
aoqi@0	474	def(_tableswitch , "tableswitch" , "" , NULL , T_VOID , -1, false); // may have backward branches
aoqi@0	475	def(_lookupswitch , "lookupswitch" , "" , NULL , T_VOID , -1, false); // rewriting in interpreter
aoqi@0	476	def(_ireturn , "ireturn" , "b" , NULL , T_INT , -1, true);
aoqi@0	477	def(_lreturn , "lreturn" , "b" , NULL , T_LONG , -2, true);
aoqi@0	478	def(_freturn , "freturn" , "b" , NULL , T_FLOAT , -1, true);
aoqi@0	479	def(_dreturn , "dreturn" , "b" , NULL , T_DOUBLE , -2, true);
aoqi@0	480	def(_areturn , "areturn" , "b" , NULL , T_OBJECT , -1, true);
aoqi@0	481	def(_return , "return" , "b" , NULL , T_VOID , 0, true);
aoqi@0	482	def(_getstatic , "getstatic" , "bJJ" , NULL , T_ILLEGAL, 1, true );
aoqi@0	483	def(_putstatic , "putstatic" , "bJJ" , NULL , T_ILLEGAL, -1, true );
aoqi@0	484	def(_getfield , "getfield" , "bJJ" , NULL , T_ILLEGAL, 0, true );
aoqi@0	485	def(_putfield , "putfield" , "bJJ" , NULL , T_ILLEGAL, -2, true );
aoqi@0	486	def(_invokevirtual , "invokevirtual" , "bJJ" , NULL , T_ILLEGAL, -1, true);
aoqi@0	487	def(_invokespecial , "invokespecial" , "bJJ" , NULL , T_ILLEGAL, -1, true);
aoqi@0	488	def(_invokestatic , "invokestatic" , "bJJ" , NULL , T_ILLEGAL, 0, true);
aoqi@0	489	def(_invokeinterface , "invokeinterface" , "bJJ__", NULL , T_ILLEGAL, -1, true);
aoqi@0	490	def(_invokedynamic , "invokedynamic" , "bJJJJ", NULL , T_ILLEGAL, 0, true );
aoqi@0	491	def(_new , "new" , "bkk" , NULL , T_OBJECT , 1, true );
aoqi@0	492	def(_newarray , "newarray" , "bc" , NULL , T_OBJECT , 0, true );
aoqi@0	493	def(_anewarray , "anewarray" , "bkk" , NULL , T_OBJECT , 0, true );
aoqi@0	494	def(_arraylength , "arraylength" , "b" , NULL , T_VOID , 0, true );
aoqi@0	495	def(_athrow , "athrow" , "b" , NULL , T_VOID , -1, true );
aoqi@0	496	def(_checkcast , "checkcast" , "bkk" , NULL , T_OBJECT , 0, true );
aoqi@0	497	def(_instanceof , "instanceof" , "bkk" , NULL , T_INT , 0, true );
aoqi@0	498	def(_monitorenter , "monitorenter" , "b" , NULL , T_VOID , -1, true );
aoqi@0	499	def(_monitorexit , "monitorexit" , "b" , NULL , T_VOID , -1, true );
aoqi@0	500	def(_wide , "wide" , "" , NULL , T_VOID , 0, false);
aoqi@0	501	def(_multianewarray , "multianewarray" , "bkkc" , NULL , T_OBJECT , 1, true );
aoqi@0	502	def(_ifnull , "ifnull" , "boo" , NULL , T_VOID , -1, false);
aoqi@0	503	def(_ifnonnull , "ifnonnull" , "boo" , NULL , T_VOID , -1, false);
aoqi@0	504	def(_goto_w , "goto_w" , "boooo", NULL , T_VOID , 0, false);
aoqi@0	505	def(_jsr_w , "jsr_w" , "boooo", NULL , T_INT , 0, false);
aoqi@0	506	def(_breakpoint , "breakpoint" , "" , NULL , T_VOID , 0, true);
aoqi@0	507
aoqi@0	508	// JVM bytecodes
aoqi@0	509	// bytecode bytecode name format wide f. result tp stk traps std code
aoqi@0	510
aoqi@0	511	def(_fast_agetfield , "fast_agetfield" , "bJJ" , NULL , T_OBJECT , 0, true , _getfield );
aoqi@0	512	def(_fast_bgetfield , "fast_bgetfield" , "bJJ" , NULL , T_INT , 0, true , _getfield );
aoqi@0	513	def(_fast_cgetfield , "fast_cgetfield" , "bJJ" , NULL , T_CHAR , 0, true , _getfield );
aoqi@0	514	def(_fast_dgetfield , "fast_dgetfield" , "bJJ" , NULL , T_DOUBLE , 0, true , _getfield );
aoqi@0	515	def(_fast_fgetfield , "fast_fgetfield" , "bJJ" , NULL , T_FLOAT , 0, true , _getfield );
aoqi@0	516	def(_fast_igetfield , "fast_igetfield" , "bJJ" , NULL , T_INT , 0, true , _getfield );
aoqi@0	517	def(_fast_lgetfield , "fast_lgetfield" , "bJJ" , NULL , T_LONG , 0, true , _getfield );
aoqi@0	518	def(_fast_sgetfield , "fast_sgetfield" , "bJJ" , NULL , T_SHORT , 0, true , _getfield );
aoqi@0	519
aoqi@0	520	def(_fast_aputfield , "fast_aputfield" , "bJJ" , NULL , T_OBJECT , 0, true , _putfield );
aoqi@0	521	def(_fast_bputfield , "fast_bputfield" , "bJJ" , NULL , T_INT , 0, true , _putfield );
aoqi@0	522	def(_fast_cputfield , "fast_cputfield" , "bJJ" , NULL , T_CHAR , 0, true , _putfield );
aoqi@0	523	def(_fast_dputfield , "fast_dputfield" , "bJJ" , NULL , T_DOUBLE , 0, true , _putfield );
aoqi@0	524	def(_fast_fputfield , "fast_fputfield" , "bJJ" , NULL , T_FLOAT , 0, true , _putfield );
aoqi@0	525	def(_fast_iputfield , "fast_iputfield" , "bJJ" , NULL , T_INT , 0, true , _putfield );
aoqi@0	526	def(_fast_lputfield , "fast_lputfield" , "bJJ" , NULL , T_LONG , 0, true , _putfield );
aoqi@0	527	def(_fast_sputfield , "fast_sputfield" , "bJJ" , NULL , T_SHORT , 0, true , _putfield );
aoqi@0	528
aoqi@0	529	def(_fast_aload_0 , "fast_aload_0" , "b" , NULL , T_OBJECT , 1, true , _aload_0 );
aoqi@0	530	def(_fast_iaccess_0 , "fast_iaccess_0" , "b_JJ" , NULL , T_INT , 1, true , _aload_0 );
aoqi@0	531	def(_fast_aaccess_0 , "fast_aaccess_0" , "b_JJ" , NULL , T_OBJECT , 1, true , _aload_0 );
aoqi@0	532	def(_fast_faccess_0 , "fast_faccess_0" , "b_JJ" , NULL , T_OBJECT , 1, true , _aload_0 );
aoqi@0	533
aoqi@0	534	def(_fast_iload , "fast_iload" , "bi" , NULL , T_INT , 1, false, _iload);
aoqi@0	535	def(_fast_iload2 , "fast_iload2" , "bi_i" , NULL , T_INT , 2, false, _iload);
aoqi@0	536	def(_fast_icaload , "fast_icaload" , "bi_" , NULL , T_INT , 0, false, _iload);
aoqi@0	537
aoqi@0	538	// Faster method invocation.
aoqi@0	539	def(_fast_invokevfinal , "fast_invokevfinal" , "bJJ" , NULL , T_ILLEGAL, -1, true, _invokevirtual );
aoqi@0	540
aoqi@0	541	def(_fast_linearswitch , "fast_linearswitch" , "" , NULL , T_VOID , -1, false, _lookupswitch );
aoqi@0	542	def(_fast_binaryswitch , "fast_binaryswitch" , "" , NULL , T_VOID , -1, false, _lookupswitch );
aoqi@0	543
aoqi@0	544	def(_return_register_finalizer , "return_register_finalizer" , "b" , NULL , T_VOID , 0, true, _return);
aoqi@0	545
aoqi@0	546	def(_invokehandle , "invokehandle" , "bJJ" , NULL , T_ILLEGAL, -1, true, _invokevirtual );
aoqi@0	547
aoqi@0	548	def(_fast_aldc , "fast_aldc" , "bj" , NULL , T_OBJECT, 1, true, _ldc );
aoqi@0	549	def(_fast_aldc_w , "fast_aldc_w" , "bJJ" , NULL , T_OBJECT, 1, true, _ldc_w );
aoqi@0	550
aoqi@0	551	def(_shouldnotreachhere , "_shouldnotreachhere" , "b" , NULL , T_VOID , 0, false);
aoqi@0	552
aoqi@0	553	// platform specific JVM bytecodes
aoqi@0	554	pd_initialize();
aoqi@0	555
aoqi@0	556	// compare can_trap information for each bytecode with the
aoqi@0	557	// can_trap information for the corresponding base bytecode
aoqi@0	558	// (if a rewritten bytecode can trap, so must the base bytecode)
aoqi@0	559	#ifdef ASSERT
aoqi@0	560	{ for (int i = 0; i < number_of_codes; i++) {
aoqi@0	561	if (is_defined(i)) {
aoqi@0	562	Code code = cast(i);
aoqi@0	563	Code java = java_code(code);
aoqi@0	564	if (can_trap(code) && !can_trap(java))
aoqi@0	565	fatal(err_msg("%s can trap => %s can trap, too", name(code),
aoqi@0	566	name(java)));
aoqi@0	567	}
aoqi@0	568	}
aoqi@0	569	}
aoqi@0	570	#endif
aoqi@0	571
aoqi@0	572	// initialization successful
aoqi@0	573	_is_initialized = true;
aoqi@0	574	}
aoqi@0	575
aoqi@0	576
aoqi@0	577	void bytecodes_init() {
aoqi@0	578	Bytecodes::initialize();
aoqi@0	579	}
aoqi@0	580
aoqi@0	581	// Restore optimization
aoqi@0	582	#ifdef _M_AMD64
aoqi@0	583	#pragma optimize ("", on)
aoqi@0	584	#endif