Mercurial > hg > truffle
annotate src/share/vm/interpreter/bytecodes.cpp @ 2066:02895c6a2f82
7007769: VM crashes with SIGBUS writing PerfData if tmp space is full
Summary: Fill perfdata file with zeros to verify available disk space
Reviewed-by: coleenp, kamg
author | bobv |
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date | Mon, 20 Dec 2010 14:30:24 -0500 |
parents | f95d63e2154a |
children | 8012aa3ccede |
rev | line source |
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0 | 1 /* |
1579 | 2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
1552
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #include "precompiled.hpp" |
26 #include "interpreter/bytecodes.hpp" | |
27 #include "memory/resourceArea.hpp" | |
28 #include "oops/methodOop.hpp" | |
29 #ifdef TARGET_ARCH_x86 | |
30 # include "bytes_x86.hpp" | |
31 #endif | |
32 #ifdef TARGET_ARCH_sparc | |
33 # include "bytes_sparc.hpp" | |
34 #endif | |
35 #ifdef TARGET_ARCH_zero | |
36 # include "bytes_zero.hpp" | |
37 #endif | |
0 | 38 |
39 | |
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40 #if defined(WIN32) && (defined(_MSC_VER) && (_MSC_VER < 1600)) |
0 | 41 // Windows AMD64 Compiler Hangs compiling this file |
42 // unless optimization is off | |
43 #ifdef _M_AMD64 | |
44 #pragma optimize ("", off) | |
45 #endif | |
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46 #endif |
0 | 47 |
48 | |
49 bool Bytecodes::_is_initialized = false; | |
50 const char* Bytecodes::_name [Bytecodes::number_of_codes]; | |
51 BasicType Bytecodes::_result_type [Bytecodes::number_of_codes]; | |
52 s_char Bytecodes::_depth [Bytecodes::number_of_codes]; | |
1565 | 53 u_char Bytecodes::_lengths [Bytecodes::number_of_codes]; |
0 | 54 Bytecodes::Code Bytecodes::_java_code [Bytecodes::number_of_codes]; |
1565 | 55 u_short Bytecodes::_flags [(1<<BitsPerByte)*2]; |
0 | 56 |
57 | |
58 Bytecodes::Code Bytecodes::code_at(methodOop method, int bci) { | |
59 return code_at(method->bcp_from(bci), method); | |
60 } | |
61 | |
62 Bytecodes::Code Bytecodes::non_breakpoint_code_at(address bcp, methodOop method) { | |
63 if (method == NULL) method = methodOopDesc::method_from_bcp(bcp); | |
64 return method->orig_bytecode_at(method->bci_from(bcp)); | |
65 } | |
66 | |
413
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67 int Bytecodes::special_length_at(address bcp, address end) { |
0 | 68 Code code = code_at(bcp); |
69 switch (code) { | |
70 case _wide: | |
413
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71 if (end != NULL && bcp + 1 >= end) { |
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72 return -1; // don't read past end of code buffer |
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73 } |
0 | 74 return wide_length_for(cast(*(bcp + 1))); |
75 case _tableswitch: | |
76 { address aligned_bcp = (address)round_to((intptr_t)bcp + 1, jintSize); | |
413
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77 if (end != NULL && aligned_bcp + 3*jintSize >= end) { |
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78 return -1; // don't read past end of code buffer |
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79 } |
0 | 80 jlong lo = (jint)Bytes::get_Java_u4(aligned_bcp + 1*jintSize); |
81 jlong hi = (jint)Bytes::get_Java_u4(aligned_bcp + 2*jintSize); | |
82 jlong len = (aligned_bcp - bcp) + (3 + hi - lo + 1)*jintSize; | |
83 // only return len if it can be represented as a positive int; | |
84 // return -1 otherwise | |
85 return (len > 0 && len == (int)len) ? len : -1; | |
86 } | |
87 | |
88 case _lookupswitch: // fall through | |
89 case _fast_binaryswitch: // fall through | |
90 case _fast_linearswitch: | |
91 { address aligned_bcp = (address)round_to((intptr_t)bcp + 1, jintSize); | |
413
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92 if (end != NULL && aligned_bcp + 2*jintSize >= end) { |
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93 return -1; // don't read past end of code buffer |
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94 } |
0 | 95 jlong npairs = (jint)Bytes::get_Java_u4(aligned_bcp + jintSize); |
96 jlong len = (aligned_bcp - bcp) + (2 + 2*npairs)*jintSize; | |
97 // only return len if it can be represented as a positive int; | |
98 // return -1 otherwise | |
99 return (len > 0 && len == (int)len) ? len : -1; | |
100 } | |
101 } | |
1570 | 102 // Note: Length functions must return <=0 for invalid bytecodes. |
0 | 103 return 0; |
104 } | |
105 | |
106 // At a breakpoint instruction, this returns the breakpoint's length, | |
107 // otherwise, it's the same as special_length_at(). This is used by | |
108 // the RawByteCodeStream, which wants to see the actual bytecode | |
109 // values (including breakpoint). RawByteCodeStream is used by the | |
110 // verifier when reading in bytecode to verify. Other mechanisms that | |
111 // run at runtime (such as generateOopMaps) need to iterate over the code | |
112 // and don't expect to see breakpoints: they want to see the instruction | |
413
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113 // which was replaced so that they can get the correct length and find |
0 | 114 // the next bytecode. |
413
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115 // |
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116 // 'end' indicates the end of the code buffer, which we should not try to read |
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117 // past. |
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118 int Bytecodes::raw_special_length_at(address bcp, address end) { |
0 | 119 Code code = code_or_bp_at(bcp); |
120 if (code == _breakpoint) { | |
121 return 1; | |
122 } else { | |
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123 return special_length_at(bcp, end); |
0 | 124 } |
125 } | |
126 | |
127 | |
128 | |
129 void Bytecodes::def(Code code, const char* name, const char* format, const char* wide_format, BasicType result_type, int depth, bool can_trap) { | |
130 def(code, name, format, wide_format, result_type, depth, can_trap, code); | |
131 } | |
132 | |
133 | |
134 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) { | |
135 assert(wide_format == NULL || format != NULL, "short form must exist if there's a wide form"); | |
1565 | 136 int len = (format != NULL ? (int) strlen(format) : 0); |
137 int wlen = (wide_format != NULL ? (int) strlen(wide_format) : 0); | |
0 | 138 _name [code] = name; |
139 _result_type [code] = result_type; | |
140 _depth [code] = depth; | |
1565 | 141 _lengths [code] = (wlen << 4) | (len & 0xF); |
0 | 142 _java_code [code] = java_code; |
1565 | 143 int bc_flags = 0; |
144 if (can_trap) bc_flags |= _bc_can_trap; | |
145 if (java_code != code) bc_flags |= _bc_can_rewrite; | |
146 _flags[(u1)code+0*(1<<BitsPerByte)] = compute_flags(format, bc_flags); | |
147 _flags[(u1)code+1*(1<<BitsPerByte)] = compute_flags(wide_format, bc_flags); | |
148 assert(is_defined(code) == (format != NULL), ""); | |
149 assert(wide_is_defined(code) == (wide_format != NULL), ""); | |
150 assert(length_for(code) == len, ""); | |
151 assert(wide_length_for(code) == wlen, ""); | |
0 | 152 } |
153 | |
154 | |
155 // Format strings interpretation: | |
156 // | |
157 // b: bytecode | |
158 // c: signed constant, Java byte-ordering | |
1565 | 159 // i: unsigned local index, Java byte-ordering (I = native byte ordering) |
160 // j: unsigned CP cache index, Java byte-ordering (J = native byte ordering) | |
161 // k: unsigned CP index, Java byte-ordering | |
162 // o: branch offset, Java byte-ordering | |
0 | 163 // _: unused/ignored |
164 // w: wide bytecode | |
165 // | |
1565 | 166 // Note: The format strings are used for 2 purposes: |
0 | 167 // 1. to specify the length of the bytecode |
168 // (= number of characters in format string) | |
1565 | 169 // 2. to derive bytecode format flags (_fmt_has_k, etc.) |
0 | 170 // |
171 // Note: For bytecodes with variable length, the format string is the empty string. | |
172 | |
1565 | 173 int Bytecodes::compute_flags(const char* format, int more_flags) { |
174 if (format == NULL) return 0; // not even more_flags | |
175 int flags = more_flags; | |
176 const char* fp = format; | |
177 switch (*fp) { | |
178 case '\0': | |
179 flags |= _fmt_not_simple; // but variable | |
180 break; | |
181 case 'b': | |
182 flags |= _fmt_not_variable; // but simple | |
183 ++fp; // skip 'b' | |
184 break; | |
185 case 'w': | |
186 flags |= _fmt_not_variable | _fmt_not_simple; | |
187 ++fp; // skip 'w' | |
188 guarantee(*fp == 'b', "wide format must start with 'wb'"); | |
189 ++fp; // skip 'b' | |
190 break; | |
191 } | |
192 | |
193 int has_nbo = 0, has_jbo = 0, has_size = 0; | |
194 for (;;) { | |
195 int this_flag = 0; | |
196 char fc = *fp++; | |
197 switch (fc) { | |
198 case '\0': // end of string | |
199 assert(flags == (jchar)flags, "change _format_flags"); | |
200 return flags; | |
201 | |
202 case '_': continue; // ignore these | |
203 | |
204 case 'j': this_flag = _fmt_has_j; has_jbo = 1; break; | |
205 case 'k': this_flag = _fmt_has_k; has_jbo = 1; break; | |
206 case 'i': this_flag = _fmt_has_i; has_jbo = 1; break; | |
207 case 'c': this_flag = _fmt_has_c; has_jbo = 1; break; | |
208 case 'o': this_flag = _fmt_has_o; has_jbo = 1; break; | |
209 | |
210 // uppercase versions mark native byte order (from Rewriter) | |
211 // actually, only the 'J' case happens currently | |
212 case 'J': this_flag = _fmt_has_j; has_nbo = 1; break; | |
213 case 'K': this_flag = _fmt_has_k; has_nbo = 1; break; | |
214 case 'I': this_flag = _fmt_has_i; has_nbo = 1; break; | |
215 case 'C': this_flag = _fmt_has_c; has_nbo = 1; break; | |
216 case 'O': this_flag = _fmt_has_o; has_nbo = 1; break; | |
217 default: guarantee(false, "bad char in format"); | |
218 } | |
219 | |
220 flags |= this_flag; | |
221 | |
222 guarantee(!(has_jbo && has_nbo), "mixed byte orders in format"); | |
223 if (has_nbo) | |
224 flags |= _fmt_has_nbo; | |
225 | |
226 int this_size = 1; | |
227 if (*fp == fc) { | |
228 // advance beyond run of the same characters | |
229 this_size = 2; | |
230 while (*++fp == fc) this_size++; | |
231 switch (this_size) { | |
232 case 2: flags |= _fmt_has_u2; break; | |
233 case 4: flags |= _fmt_has_u4; break; | |
234 default: guarantee(false, "bad rep count in format"); | |
235 } | |
236 } | |
237 guarantee(has_size == 0 || // no field yet | |
238 this_size == has_size || // same size | |
239 this_size < has_size && *fp == '\0', // last field can be short | |
240 "mixed field sizes in format"); | |
241 has_size = this_size; | |
242 } | |
243 } | |
244 | |
0 | 245 void Bytecodes::initialize() { |
246 if (_is_initialized) return; | |
247 assert(number_of_codes <= 256, "too many bytecodes"); | |
248 | |
249 // initialize bytecode tables - didn't use static array initializers | |
250 // (such as {}) so we can do additional consistency checks and init- | |
251 // code is independent of actual bytecode numbering. | |
252 // | |
253 // Note 1: NULL for the format string means the bytecode doesn't exist | |
254 // in that form. | |
255 // | |
256 // Note 2: The result type is T_ILLEGAL for bytecodes where the top of stack | |
257 // type after execution is not only determined by the bytecode itself. | |
258 | |
259 // Java bytecodes | |
260 // bytecode bytecode name format wide f. result tp stk traps | |
261 def(_nop , "nop" , "b" , NULL , T_VOID , 0, false); | |
262 def(_aconst_null , "aconst_null" , "b" , NULL , T_OBJECT , 1, false); | |
263 def(_iconst_m1 , "iconst_m1" , "b" , NULL , T_INT , 1, false); | |
264 def(_iconst_0 , "iconst_0" , "b" , NULL , T_INT , 1, false); | |
265 def(_iconst_1 , "iconst_1" , "b" , NULL , T_INT , 1, false); | |
266 def(_iconst_2 , "iconst_2" , "b" , NULL , T_INT , 1, false); | |
267 def(_iconst_3 , "iconst_3" , "b" , NULL , T_INT , 1, false); | |
268 def(_iconst_4 , "iconst_4" , "b" , NULL , T_INT , 1, false); | |
269 def(_iconst_5 , "iconst_5" , "b" , NULL , T_INT , 1, false); | |
270 def(_lconst_0 , "lconst_0" , "b" , NULL , T_LONG , 2, false); | |
271 def(_lconst_1 , "lconst_1" , "b" , NULL , T_LONG , 2, false); | |
272 def(_fconst_0 , "fconst_0" , "b" , NULL , T_FLOAT , 1, false); | |
273 def(_fconst_1 , "fconst_1" , "b" , NULL , T_FLOAT , 1, false); | |
274 def(_fconst_2 , "fconst_2" , "b" , NULL , T_FLOAT , 1, false); | |
275 def(_dconst_0 , "dconst_0" , "b" , NULL , T_DOUBLE , 2, false); | |
276 def(_dconst_1 , "dconst_1" , "b" , NULL , T_DOUBLE , 2, false); | |
277 def(_bipush , "bipush" , "bc" , NULL , T_INT , 1, false); | |
278 def(_sipush , "sipush" , "bcc" , NULL , T_INT , 1, false); | |
1565 | 279 def(_ldc , "ldc" , "bk" , NULL , T_ILLEGAL, 1, true ); |
280 def(_ldc_w , "ldc_w" , "bkk" , NULL , T_ILLEGAL, 1, true ); | |
281 def(_ldc2_w , "ldc2_w" , "bkk" , NULL , T_ILLEGAL, 2, true ); | |
0 | 282 def(_iload , "iload" , "bi" , "wbii" , T_INT , 1, false); |
283 def(_lload , "lload" , "bi" , "wbii" , T_LONG , 2, false); | |
284 def(_fload , "fload" , "bi" , "wbii" , T_FLOAT , 1, false); | |
285 def(_dload , "dload" , "bi" , "wbii" , T_DOUBLE , 2, false); | |
286 def(_aload , "aload" , "bi" , "wbii" , T_OBJECT , 1, false); | |
287 def(_iload_0 , "iload_0" , "b" , NULL , T_INT , 1, false); | |
288 def(_iload_1 , "iload_1" , "b" , NULL , T_INT , 1, false); | |
289 def(_iload_2 , "iload_2" , "b" , NULL , T_INT , 1, false); | |
290 def(_iload_3 , "iload_3" , "b" , NULL , T_INT , 1, false); | |
291 def(_lload_0 , "lload_0" , "b" , NULL , T_LONG , 2, false); | |
292 def(_lload_1 , "lload_1" , "b" , NULL , T_LONG , 2, false); | |
293 def(_lload_2 , "lload_2" , "b" , NULL , T_LONG , 2, false); | |
294 def(_lload_3 , "lload_3" , "b" , NULL , T_LONG , 2, false); | |
295 def(_fload_0 , "fload_0" , "b" , NULL , T_FLOAT , 1, false); | |
296 def(_fload_1 , "fload_1" , "b" , NULL , T_FLOAT , 1, false); | |
297 def(_fload_2 , "fload_2" , "b" , NULL , T_FLOAT , 1, false); | |
298 def(_fload_3 , "fload_3" , "b" , NULL , T_FLOAT , 1, false); | |
299 def(_dload_0 , "dload_0" , "b" , NULL , T_DOUBLE , 2, false); | |
300 def(_dload_1 , "dload_1" , "b" , NULL , T_DOUBLE , 2, false); | |
301 def(_dload_2 , "dload_2" , "b" , NULL , T_DOUBLE , 2, false); | |
302 def(_dload_3 , "dload_3" , "b" , NULL , T_DOUBLE , 2, false); | |
303 def(_aload_0 , "aload_0" , "b" , NULL , T_OBJECT , 1, true ); // rewriting in interpreter | |
304 def(_aload_1 , "aload_1" , "b" , NULL , T_OBJECT , 1, false); | |
305 def(_aload_2 , "aload_2" , "b" , NULL , T_OBJECT , 1, false); | |
306 def(_aload_3 , "aload_3" , "b" , NULL , T_OBJECT , 1, false); | |
307 def(_iaload , "iaload" , "b" , NULL , T_INT , -1, true ); | |
308 def(_laload , "laload" , "b" , NULL , T_LONG , 0, true ); | |
309 def(_faload , "faload" , "b" , NULL , T_FLOAT , -1, true ); | |
310 def(_daload , "daload" , "b" , NULL , T_DOUBLE , 0, true ); | |
311 def(_aaload , "aaload" , "b" , NULL , T_OBJECT , -1, true ); | |
312 def(_baload , "baload" , "b" , NULL , T_INT , -1, true ); | |
313 def(_caload , "caload" , "b" , NULL , T_INT , -1, true ); | |
314 def(_saload , "saload" , "b" , NULL , T_INT , -1, true ); | |
315 def(_istore , "istore" , "bi" , "wbii" , T_VOID , -1, false); | |
316 def(_lstore , "lstore" , "bi" , "wbii" , T_VOID , -2, false); | |
317 def(_fstore , "fstore" , "bi" , "wbii" , T_VOID , -1, false); | |
318 def(_dstore , "dstore" , "bi" , "wbii" , T_VOID , -2, false); | |
319 def(_astore , "astore" , "bi" , "wbii" , T_VOID , -1, false); | |
320 def(_istore_0 , "istore_0" , "b" , NULL , T_VOID , -1, false); | |
321 def(_istore_1 , "istore_1" , "b" , NULL , T_VOID , -1, false); | |
322 def(_istore_2 , "istore_2" , "b" , NULL , T_VOID , -1, false); | |
323 def(_istore_3 , "istore_3" , "b" , NULL , T_VOID , -1, false); | |
324 def(_lstore_0 , "lstore_0" , "b" , NULL , T_VOID , -2, false); | |
325 def(_lstore_1 , "lstore_1" , "b" , NULL , T_VOID , -2, false); | |
326 def(_lstore_2 , "lstore_2" , "b" , NULL , T_VOID , -2, false); | |
327 def(_lstore_3 , "lstore_3" , "b" , NULL , T_VOID , -2, false); | |
328 def(_fstore_0 , "fstore_0" , "b" , NULL , T_VOID , -1, false); | |
329 def(_fstore_1 , "fstore_1" , "b" , NULL , T_VOID , -1, false); | |
330 def(_fstore_2 , "fstore_2" , "b" , NULL , T_VOID , -1, false); | |
331 def(_fstore_3 , "fstore_3" , "b" , NULL , T_VOID , -1, false); | |
332 def(_dstore_0 , "dstore_0" , "b" , NULL , T_VOID , -2, false); | |
333 def(_dstore_1 , "dstore_1" , "b" , NULL , T_VOID , -2, false); | |
334 def(_dstore_2 , "dstore_2" , "b" , NULL , T_VOID , -2, false); | |
335 def(_dstore_3 , "dstore_3" , "b" , NULL , T_VOID , -2, false); | |
336 def(_astore_0 , "astore_0" , "b" , NULL , T_VOID , -1, false); | |
337 def(_astore_1 , "astore_1" , "b" , NULL , T_VOID , -1, false); | |
338 def(_astore_2 , "astore_2" , "b" , NULL , T_VOID , -1, false); | |
339 def(_astore_3 , "astore_3" , "b" , NULL , T_VOID , -1, false); | |
340 def(_iastore , "iastore" , "b" , NULL , T_VOID , -3, true ); | |
341 def(_lastore , "lastore" , "b" , NULL , T_VOID , -4, true ); | |
342 def(_fastore , "fastore" , "b" , NULL , T_VOID , -3, true ); | |
343 def(_dastore , "dastore" , "b" , NULL , T_VOID , -4, true ); | |
344 def(_aastore , "aastore" , "b" , NULL , T_VOID , -3, true ); | |
345 def(_bastore , "bastore" , "b" , NULL , T_VOID , -3, true ); | |
346 def(_castore , "castore" , "b" , NULL , T_VOID , -3, true ); | |
347 def(_sastore , "sastore" , "b" , NULL , T_VOID , -3, true ); | |
348 def(_pop , "pop" , "b" , NULL , T_VOID , -1, false); | |
349 def(_pop2 , "pop2" , "b" , NULL , T_VOID , -2, false); | |
350 def(_dup , "dup" , "b" , NULL , T_VOID , 1, false); | |
351 def(_dup_x1 , "dup_x1" , "b" , NULL , T_VOID , 1, false); | |
352 def(_dup_x2 , "dup_x2" , "b" , NULL , T_VOID , 1, false); | |
353 def(_dup2 , "dup2" , "b" , NULL , T_VOID , 2, false); | |
354 def(_dup2_x1 , "dup2_x1" , "b" , NULL , T_VOID , 2, false); | |
355 def(_dup2_x2 , "dup2_x2" , "b" , NULL , T_VOID , 2, false); | |
356 def(_swap , "swap" , "b" , NULL , T_VOID , 0, false); | |
357 def(_iadd , "iadd" , "b" , NULL , T_INT , -1, false); | |
358 def(_ladd , "ladd" , "b" , NULL , T_LONG , -2, false); | |
359 def(_fadd , "fadd" , "b" , NULL , T_FLOAT , -1, false); | |
360 def(_dadd , "dadd" , "b" , NULL , T_DOUBLE , -2, false); | |
361 def(_isub , "isub" , "b" , NULL , T_INT , -1, false); | |
362 def(_lsub , "lsub" , "b" , NULL , T_LONG , -2, false); | |
363 def(_fsub , "fsub" , "b" , NULL , T_FLOAT , -1, false); | |
364 def(_dsub , "dsub" , "b" , NULL , T_DOUBLE , -2, false); | |
365 def(_imul , "imul" , "b" , NULL , T_INT , -1, false); | |
366 def(_lmul , "lmul" , "b" , NULL , T_LONG , -2, false); | |
367 def(_fmul , "fmul" , "b" , NULL , T_FLOAT , -1, false); | |
368 def(_dmul , "dmul" , "b" , NULL , T_DOUBLE , -2, false); | |
369 def(_idiv , "idiv" , "b" , NULL , T_INT , -1, true ); | |
370 def(_ldiv , "ldiv" , "b" , NULL , T_LONG , -2, true ); | |
371 def(_fdiv , "fdiv" , "b" , NULL , T_FLOAT , -1, false); | |
372 def(_ddiv , "ddiv" , "b" , NULL , T_DOUBLE , -2, false); | |
373 def(_irem , "irem" , "b" , NULL , T_INT , -1, true ); | |
374 def(_lrem , "lrem" , "b" , NULL , T_LONG , -2, true ); | |
375 def(_frem , "frem" , "b" , NULL , T_FLOAT , -1, false); | |
376 def(_drem , "drem" , "b" , NULL , T_DOUBLE , -2, false); | |
377 def(_ineg , "ineg" , "b" , NULL , T_INT , 0, false); | |
378 def(_lneg , "lneg" , "b" , NULL , T_LONG , 0, false); | |
379 def(_fneg , "fneg" , "b" , NULL , T_FLOAT , 0, false); | |
380 def(_dneg , "dneg" , "b" , NULL , T_DOUBLE , 0, false); | |
381 def(_ishl , "ishl" , "b" , NULL , T_INT , -1, false); | |
382 def(_lshl , "lshl" , "b" , NULL , T_LONG , -1, false); | |
383 def(_ishr , "ishr" , "b" , NULL , T_INT , -1, false); | |
384 def(_lshr , "lshr" , "b" , NULL , T_LONG , -1, false); | |
385 def(_iushr , "iushr" , "b" , NULL , T_INT , -1, false); | |
386 def(_lushr , "lushr" , "b" , NULL , T_LONG , -1, false); | |
387 def(_iand , "iand" , "b" , NULL , T_INT , -1, false); | |
388 def(_land , "land" , "b" , NULL , T_LONG , -2, false); | |
389 def(_ior , "ior" , "b" , NULL , T_INT , -1, false); | |
390 def(_lor , "lor" , "b" , NULL , T_LONG , -2, false); | |
391 def(_ixor , "ixor" , "b" , NULL , T_INT , -1, false); | |
392 def(_lxor , "lxor" , "b" , NULL , T_LONG , -2, false); | |
393 def(_iinc , "iinc" , "bic" , "wbiicc", T_VOID , 0, false); | |
394 def(_i2l , "i2l" , "b" , NULL , T_LONG , 1, false); | |
395 def(_i2f , "i2f" , "b" , NULL , T_FLOAT , 0, false); | |
396 def(_i2d , "i2d" , "b" , NULL , T_DOUBLE , 1, false); | |
397 def(_l2i , "l2i" , "b" , NULL , T_INT , -1, false); | |
398 def(_l2f , "l2f" , "b" , NULL , T_FLOAT , -1, false); | |
399 def(_l2d , "l2d" , "b" , NULL , T_DOUBLE , 0, false); | |
400 def(_f2i , "f2i" , "b" , NULL , T_INT , 0, false); | |
401 def(_f2l , "f2l" , "b" , NULL , T_LONG , 1, false); | |
402 def(_f2d , "f2d" , "b" , NULL , T_DOUBLE , 1, false); | |
403 def(_d2i , "d2i" , "b" , NULL , T_INT , -1, false); | |
404 def(_d2l , "d2l" , "b" , NULL , T_LONG , 0, false); | |
405 def(_d2f , "d2f" , "b" , NULL , T_FLOAT , -1, false); | |
406 def(_i2b , "i2b" , "b" , NULL , T_BYTE , 0, false); | |
407 def(_i2c , "i2c" , "b" , NULL , T_CHAR , 0, false); | |
408 def(_i2s , "i2s" , "b" , NULL , T_SHORT , 0, false); | |
409 def(_lcmp , "lcmp" , "b" , NULL , T_VOID , -3, false); | |
410 def(_fcmpl , "fcmpl" , "b" , NULL , T_VOID , -1, false); | |
411 def(_fcmpg , "fcmpg" , "b" , NULL , T_VOID , -1, false); | |
412 def(_dcmpl , "dcmpl" , "b" , NULL , T_VOID , -3, false); | |
413 def(_dcmpg , "dcmpg" , "b" , NULL , T_VOID , -3, false); | |
414 def(_ifeq , "ifeq" , "boo" , NULL , T_VOID , -1, false); | |
415 def(_ifne , "ifne" , "boo" , NULL , T_VOID , -1, false); | |
416 def(_iflt , "iflt" , "boo" , NULL , T_VOID , -1, false); | |
417 def(_ifge , "ifge" , "boo" , NULL , T_VOID , -1, false); | |
418 def(_ifgt , "ifgt" , "boo" , NULL , T_VOID , -1, false); | |
419 def(_ifle , "ifle" , "boo" , NULL , T_VOID , -1, false); | |
420 def(_if_icmpeq , "if_icmpeq" , "boo" , NULL , T_VOID , -2, false); | |
421 def(_if_icmpne , "if_icmpne" , "boo" , NULL , T_VOID , -2, false); | |
422 def(_if_icmplt , "if_icmplt" , "boo" , NULL , T_VOID , -2, false); | |
423 def(_if_icmpge , "if_icmpge" , "boo" , NULL , T_VOID , -2, false); | |
424 def(_if_icmpgt , "if_icmpgt" , "boo" , NULL , T_VOID , -2, false); | |
425 def(_if_icmple , "if_icmple" , "boo" , NULL , T_VOID , -2, false); | |
426 def(_if_acmpeq , "if_acmpeq" , "boo" , NULL , T_VOID , -2, false); | |
427 def(_if_acmpne , "if_acmpne" , "boo" , NULL , T_VOID , -2, false); | |
428 def(_goto , "goto" , "boo" , NULL , T_VOID , 0, false); | |
429 def(_jsr , "jsr" , "boo" , NULL , T_INT , 0, false); | |
430 def(_ret , "ret" , "bi" , "wbii" , T_VOID , 0, false); | |
431 def(_tableswitch , "tableswitch" , "" , NULL , T_VOID , -1, false); // may have backward branches | |
432 def(_lookupswitch , "lookupswitch" , "" , NULL , T_VOID , -1, false); // rewriting in interpreter | |
433 def(_ireturn , "ireturn" , "b" , NULL , T_INT , -1, true); | |
434 def(_lreturn , "lreturn" , "b" , NULL , T_LONG , -2, true); | |
435 def(_freturn , "freturn" , "b" , NULL , T_FLOAT , -1, true); | |
436 def(_dreturn , "dreturn" , "b" , NULL , T_DOUBLE , -2, true); | |
437 def(_areturn , "areturn" , "b" , NULL , T_OBJECT , -1, true); | |
438 def(_return , "return" , "b" , NULL , T_VOID , 0, true); | |
1565 | 439 def(_getstatic , "getstatic" , "bJJ" , NULL , T_ILLEGAL, 1, true ); |
440 def(_putstatic , "putstatic" , "bJJ" , NULL , T_ILLEGAL, -1, true ); | |
441 def(_getfield , "getfield" , "bJJ" , NULL , T_ILLEGAL, 0, true ); | |
442 def(_putfield , "putfield" , "bJJ" , NULL , T_ILLEGAL, -2, true ); | |
443 def(_invokevirtual , "invokevirtual" , "bJJ" , NULL , T_ILLEGAL, -1, true); | |
444 def(_invokespecial , "invokespecial" , "bJJ" , NULL , T_ILLEGAL, -1, true); | |
445 def(_invokestatic , "invokestatic" , "bJJ" , NULL , T_ILLEGAL, 0, true); | |
446 def(_invokeinterface , "invokeinterface" , "bJJ__", NULL , T_ILLEGAL, -1, true); | |
447 def(_invokedynamic , "invokedynamic" , "bJJJJ", NULL , T_ILLEGAL, 0, true ); | |
448 def(_new , "new" , "bkk" , NULL , T_OBJECT , 1, true ); | |
0 | 449 def(_newarray , "newarray" , "bc" , NULL , T_OBJECT , 0, true ); |
1565 | 450 def(_anewarray , "anewarray" , "bkk" , NULL , T_OBJECT , 0, true ); |
0 | 451 def(_arraylength , "arraylength" , "b" , NULL , T_VOID , 0, true ); |
452 def(_athrow , "athrow" , "b" , NULL , T_VOID , -1, true ); | |
1565 | 453 def(_checkcast , "checkcast" , "bkk" , NULL , T_OBJECT , 0, true ); |
454 def(_instanceof , "instanceof" , "bkk" , NULL , T_INT , 0, true ); | |
0 | 455 def(_monitorenter , "monitorenter" , "b" , NULL , T_VOID , -1, true ); |
456 def(_monitorexit , "monitorexit" , "b" , NULL , T_VOID , -1, true ); | |
457 def(_wide , "wide" , "" , NULL , T_VOID , 0, false); | |
1565 | 458 def(_multianewarray , "multianewarray" , "bkkc" , NULL , T_OBJECT , 1, true ); |
0 | 459 def(_ifnull , "ifnull" , "boo" , NULL , T_VOID , -1, false); |
460 def(_ifnonnull , "ifnonnull" , "boo" , NULL , T_VOID , -1, false); | |
461 def(_goto_w , "goto_w" , "boooo", NULL , T_VOID , 0, false); | |
462 def(_jsr_w , "jsr_w" , "boooo", NULL , T_INT , 0, false); | |
463 def(_breakpoint , "breakpoint" , "" , NULL , T_VOID , 0, true); | |
464 | |
465 // JVM bytecodes | |
466 // bytecode bytecode name format wide f. result tp stk traps std code | |
467 | |
1565 | 468 def(_fast_agetfield , "fast_agetfield" , "bJJ" , NULL , T_OBJECT , 0, true , _getfield ); |
469 def(_fast_bgetfield , "fast_bgetfield" , "bJJ" , NULL , T_INT , 0, true , _getfield ); | |
470 def(_fast_cgetfield , "fast_cgetfield" , "bJJ" , NULL , T_CHAR , 0, true , _getfield ); | |
471 def(_fast_dgetfield , "fast_dgetfield" , "bJJ" , NULL , T_DOUBLE , 0, true , _getfield ); | |
472 def(_fast_fgetfield , "fast_fgetfield" , "bJJ" , NULL , T_FLOAT , 0, true , _getfield ); | |
473 def(_fast_igetfield , "fast_igetfield" , "bJJ" , NULL , T_INT , 0, true , _getfield ); | |
474 def(_fast_lgetfield , "fast_lgetfield" , "bJJ" , NULL , T_LONG , 0, true , _getfield ); | |
475 def(_fast_sgetfield , "fast_sgetfield" , "bJJ" , NULL , T_SHORT , 0, true , _getfield ); | |
0 | 476 |
1565 | 477 def(_fast_aputfield , "fast_aputfield" , "bJJ" , NULL , T_OBJECT , 0, true , _putfield ); |
478 def(_fast_bputfield , "fast_bputfield" , "bJJ" , NULL , T_INT , 0, true , _putfield ); | |
479 def(_fast_cputfield , "fast_cputfield" , "bJJ" , NULL , T_CHAR , 0, true , _putfield ); | |
480 def(_fast_dputfield , "fast_dputfield" , "bJJ" , NULL , T_DOUBLE , 0, true , _putfield ); | |
481 def(_fast_fputfield , "fast_fputfield" , "bJJ" , NULL , T_FLOAT , 0, true , _putfield ); | |
482 def(_fast_iputfield , "fast_iputfield" , "bJJ" , NULL , T_INT , 0, true , _putfield ); | |
483 def(_fast_lputfield , "fast_lputfield" , "bJJ" , NULL , T_LONG , 0, true , _putfield ); | |
484 def(_fast_sputfield , "fast_sputfield" , "bJJ" , NULL , T_SHORT , 0, true , _putfield ); | |
0 | 485 |
486 def(_fast_aload_0 , "fast_aload_0" , "b" , NULL , T_OBJECT , 1, true , _aload_0 ); | |
1565 | 487 def(_fast_iaccess_0 , "fast_iaccess_0" , "b_JJ" , NULL , T_INT , 1, true , _aload_0 ); |
488 def(_fast_aaccess_0 , "fast_aaccess_0" , "b_JJ" , NULL , T_OBJECT , 1, true , _aload_0 ); | |
489 def(_fast_faccess_0 , "fast_faccess_0" , "b_JJ" , NULL , T_OBJECT , 1, true , _aload_0 ); | |
0 | 490 |
491 def(_fast_iload , "fast_iload" , "bi" , NULL , T_INT , 1, false, _iload); | |
492 def(_fast_iload2 , "fast_iload2" , "bi_i" , NULL , T_INT , 2, false, _iload); | |
493 def(_fast_icaload , "fast_icaload" , "bi_" , NULL , T_INT , 0, false, _iload); | |
494 | |
495 // Faster method invocation. | |
1565 | 496 def(_fast_invokevfinal , "fast_invokevfinal" , "bJJ" , NULL , T_ILLEGAL, -1, true, _invokevirtual ); |
0 | 497 |
498 def(_fast_linearswitch , "fast_linearswitch" , "" , NULL , T_VOID , -1, false, _lookupswitch ); | |
499 def(_fast_binaryswitch , "fast_binaryswitch" , "" , NULL , T_VOID , -1, false, _lookupswitch ); | |
500 | |
501 def(_return_register_finalizer , "return_register_finalizer" , "b" , NULL , T_VOID , 0, true, _return); | |
502 | |
1602 | 503 def(_fast_aldc , "fast_aldc" , "bj" , NULL , T_OBJECT, 1, true, _ldc ); |
504 def(_fast_aldc_w , "fast_aldc_w" , "bJJ" , NULL , T_OBJECT, 1, true, _ldc_w ); | |
505 | |
0 | 506 def(_shouldnotreachhere , "_shouldnotreachhere" , "b" , NULL , T_VOID , 0, false); |
507 | |
508 // platform specific JVM bytecodes | |
509 pd_initialize(); | |
510 | |
511 // compare can_trap information for each bytecode with the | |
512 // can_trap information for the corresponding base bytecode | |
513 // (if a rewritten bytecode can trap, so must the base bytecode) | |
514 #ifdef ASSERT | |
515 { for (int i = 0; i < number_of_codes; i++) { | |
516 if (is_defined(i)) { | |
517 Code code = cast(i); | |
518 Code java = java_code(code); | |
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519 if (can_trap(code) && !can_trap(java)) |
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520 fatal(err_msg("%s can trap => %s can trap, too", name(code), |
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521 name(java))); |
0 | 522 } |
523 } | |
524 } | |
525 #endif | |
526 | |
527 // initialization successful | |
528 _is_initialized = true; | |
529 } | |
530 | |
531 | |
532 void bytecodes_init() { | |
533 Bytecodes::initialize(); | |
534 } | |
535 | |
536 // Restore optimization | |
537 #ifdef _M_AMD64 | |
538 #pragma optimize ("", on) | |
539 #endif |