Mercurial > hg > truffle
annotate src/share/vm/interpreter/bytecodes.cpp @ 1570:de91a2f25c7e
6956164: nightly regressions from 6939207
Summary: Fix errors in 6939207.
Reviewed-by: kvn
| author | jrose |
|---|---|
| date | Thu, 27 May 2010 09:54:07 -0700 |
| parents | ab102d5d923e |
| children | e9ff18c4ace7 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 1565 | 2 * Copyright 1997-2010 Sun Microsystems, Inc. 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 * | |
| 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
| 20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
| 21 * have any questions. | |
| 22 * | |
| 23 */ | |
| 24 | |
| 25 #include "incls/_precompiled.incl" | |
| 26 #include "incls/_bytecodes.cpp.incl" | |
| 27 | |
| 28 | |
| 29 // Windows AMD64 Compiler Hangs compiling this file | |
| 30 // unless optimization is off | |
| 31 #ifdef _M_AMD64 | |
| 32 #pragma optimize ("", off) | |
| 33 #endif | |
| 34 | |
| 35 | |
| 36 bool Bytecodes::_is_initialized = false; | |
| 37 const char* Bytecodes::_name [Bytecodes::number_of_codes]; | |
| 38 BasicType Bytecodes::_result_type [Bytecodes::number_of_codes]; | |
| 39 s_char Bytecodes::_depth [Bytecodes::number_of_codes]; | |
| 1565 | 40 u_char Bytecodes::_lengths [Bytecodes::number_of_codes]; |
| 0 | 41 Bytecodes::Code Bytecodes::_java_code [Bytecodes::number_of_codes]; |
| 1565 | 42 u_short Bytecodes::_flags [(1<<BitsPerByte)*2]; |
| 0 | 43 |
| 44 | |
| 45 Bytecodes::Code Bytecodes::code_at(methodOop method, int bci) { | |
| 46 return code_at(method->bcp_from(bci), method); | |
| 47 } | |
| 48 | |
| 49 Bytecodes::Code Bytecodes::non_breakpoint_code_at(address bcp, methodOop method) { | |
| 50 if (method == NULL) method = methodOopDesc::method_from_bcp(bcp); | |
| 51 return method->orig_bytecode_at(method->bci_from(bcp)); | |
| 52 } | |
| 53 | |
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54 int Bytecodes::special_length_at(address bcp, address end) { |
| 0 | 55 Code code = code_at(bcp); |
| 56 switch (code) { | |
| 57 case _wide: | |
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58 if (end != NULL && bcp + 1 >= end) { |
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59 return -1; // don't read past end of code buffer |
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60 } |
| 0 | 61 return wide_length_for(cast(*(bcp + 1))); |
| 62 case _tableswitch: | |
| 63 { address aligned_bcp = (address)round_to((intptr_t)bcp + 1, jintSize); | |
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64 if (end != NULL && aligned_bcp + 3*jintSize >= end) { |
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65 return -1; // don't read past end of code buffer |
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66 } |
| 0 | 67 jlong lo = (jint)Bytes::get_Java_u4(aligned_bcp + 1*jintSize); |
| 68 jlong hi = (jint)Bytes::get_Java_u4(aligned_bcp + 2*jintSize); | |
| 69 jlong len = (aligned_bcp - bcp) + (3 + hi - lo + 1)*jintSize; | |
| 70 // only return len if it can be represented as a positive int; | |
| 71 // return -1 otherwise | |
| 72 return (len > 0 && len == (int)len) ? len : -1; | |
| 73 } | |
| 74 | |
| 75 case _lookupswitch: // fall through | |
| 76 case _fast_binaryswitch: // fall through | |
| 77 case _fast_linearswitch: | |
| 78 { address aligned_bcp = (address)round_to((intptr_t)bcp + 1, jintSize); | |
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79 if (end != NULL && aligned_bcp + 2*jintSize >= end) { |
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80 return -1; // don't read past end of code buffer |
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81 } |
| 0 | 82 jlong npairs = (jint)Bytes::get_Java_u4(aligned_bcp + jintSize); |
| 83 jlong len = (aligned_bcp - bcp) + (2 + 2*npairs)*jintSize; | |
| 84 // only return len if it can be represented as a positive int; | |
| 85 // return -1 otherwise | |
| 86 return (len > 0 && len == (int)len) ? len : -1; | |
| 87 } | |
| 88 } | |
| 1570 | 89 // Note: Length functions must return <=0 for invalid bytecodes. |
| 0 | 90 return 0; |
| 91 } | |
| 92 | |
| 93 // At a breakpoint instruction, this returns the breakpoint's length, | |
| 94 // otherwise, it's the same as special_length_at(). This is used by | |
| 95 // the RawByteCodeStream, which wants to see the actual bytecode | |
| 96 // values (including breakpoint). RawByteCodeStream is used by the | |
| 97 // verifier when reading in bytecode to verify. Other mechanisms that | |
| 98 // run at runtime (such as generateOopMaps) need to iterate over the code | |
| 99 // and don't expect to see breakpoints: they want to see the instruction | |
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100 // which was replaced so that they can get the correct length and find |
| 0 | 101 // the next bytecode. |
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102 // |
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103 // 'end' indicates the end of the code buffer, which we should not try to read |
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104 // past. |
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105 int Bytecodes::raw_special_length_at(address bcp, address end) { |
| 0 | 106 Code code = code_or_bp_at(bcp); |
| 107 if (code == _breakpoint) { | |
| 108 return 1; | |
| 109 } else { | |
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110 return special_length_at(bcp, end); |
| 0 | 111 } |
| 112 } | |
| 113 | |
| 114 | |
| 115 | |
| 116 void Bytecodes::def(Code code, const char* name, const char* format, const char* wide_format, BasicType result_type, int depth, bool can_trap) { | |
| 117 def(code, name, format, wide_format, result_type, depth, can_trap, code); | |
| 118 } | |
| 119 | |
| 120 | |
| 121 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) { | |
| 122 assert(wide_format == NULL || format != NULL, "short form must exist if there's a wide form"); | |
| 1565 | 123 int len = (format != NULL ? (int) strlen(format) : 0); |
| 124 int wlen = (wide_format != NULL ? (int) strlen(wide_format) : 0); | |
| 0 | 125 _name [code] = name; |
| 126 _result_type [code] = result_type; | |
| 127 _depth [code] = depth; | |
| 1565 | 128 _lengths [code] = (wlen << 4) | (len & 0xF); |
| 0 | 129 _java_code [code] = java_code; |
| 1565 | 130 int bc_flags = 0; |
| 131 if (can_trap) bc_flags |= _bc_can_trap; | |
| 132 if (java_code != code) bc_flags |= _bc_can_rewrite; | |
| 133 _flags[(u1)code+0*(1<<BitsPerByte)] = compute_flags(format, bc_flags); | |
| 134 _flags[(u1)code+1*(1<<BitsPerByte)] = compute_flags(wide_format, bc_flags); | |
| 135 assert(is_defined(code) == (format != NULL), ""); | |
| 136 assert(wide_is_defined(code) == (wide_format != NULL), ""); | |
| 137 assert(length_for(code) == len, ""); | |
| 138 assert(wide_length_for(code) == wlen, ""); | |
| 0 | 139 } |
| 140 | |
| 141 | |
| 142 // Format strings interpretation: | |
| 143 // | |
| 144 // b: bytecode | |
| 145 // c: signed constant, Java byte-ordering | |
| 1565 | 146 // i: unsigned local index, Java byte-ordering (I = native byte ordering) |
| 147 // j: unsigned CP cache index, Java byte-ordering (J = native byte ordering) | |
| 148 // k: unsigned CP index, Java byte-ordering | |
| 149 // o: branch offset, Java byte-ordering | |
| 0 | 150 // _: unused/ignored |
| 151 // w: wide bytecode | |
| 152 // | |
| 1565 | 153 // Note: The format strings are used for 2 purposes: |
| 0 | 154 // 1. to specify the length of the bytecode |
| 155 // (= number of characters in format string) | |
| 1565 | 156 // 2. to derive bytecode format flags (_fmt_has_k, etc.) |
| 0 | 157 // |
| 158 // Note: For bytecodes with variable length, the format string is the empty string. | |
| 159 | |
| 1565 | 160 int Bytecodes::compute_flags(const char* format, int more_flags) { |
| 161 if (format == NULL) return 0; // not even more_flags | |
| 162 int flags = more_flags; | |
| 163 const char* fp = format; | |
| 164 switch (*fp) { | |
| 165 case '\0': | |
| 166 flags |= _fmt_not_simple; // but variable | |
| 167 break; | |
| 168 case 'b': | |
| 169 flags |= _fmt_not_variable; // but simple | |
| 170 ++fp; // skip 'b' | |
| 171 break; | |
| 172 case 'w': | |
| 173 flags |= _fmt_not_variable | _fmt_not_simple; | |
| 174 ++fp; // skip 'w' | |
| 175 guarantee(*fp == 'b', "wide format must start with 'wb'"); | |
| 176 ++fp; // skip 'b' | |
| 177 break; | |
| 178 } | |
| 179 | |
| 180 int has_nbo = 0, has_jbo = 0, has_size = 0; | |
| 181 for (;;) { | |
| 182 int this_flag = 0; | |
| 183 char fc = *fp++; | |
| 184 switch (fc) { | |
| 185 case '\0': // end of string | |
| 186 assert(flags == (jchar)flags, "change _format_flags"); | |
| 187 return flags; | |
| 188 | |
| 189 case '_': continue; // ignore these | |
| 190 | |
| 191 case 'j': this_flag = _fmt_has_j; has_jbo = 1; break; | |
| 192 case 'k': this_flag = _fmt_has_k; has_jbo = 1; break; | |
| 193 case 'i': this_flag = _fmt_has_i; has_jbo = 1; break; | |
| 194 case 'c': this_flag = _fmt_has_c; has_jbo = 1; break; | |
| 195 case 'o': this_flag = _fmt_has_o; has_jbo = 1; break; | |
| 196 | |
| 197 // uppercase versions mark native byte order (from Rewriter) | |
| 198 // actually, only the 'J' case happens currently | |
| 199 case 'J': this_flag = _fmt_has_j; has_nbo = 1; break; | |
| 200 case 'K': this_flag = _fmt_has_k; has_nbo = 1; break; | |
| 201 case 'I': this_flag = _fmt_has_i; has_nbo = 1; break; | |
| 202 case 'C': this_flag = _fmt_has_c; has_nbo = 1; break; | |
| 203 case 'O': this_flag = _fmt_has_o; has_nbo = 1; break; | |
| 204 default: guarantee(false, "bad char in format"); | |
| 205 } | |
| 206 | |
| 207 flags |= this_flag; | |
| 208 | |
| 209 guarantee(!(has_jbo && has_nbo), "mixed byte orders in format"); | |
| 210 if (has_nbo) | |
| 211 flags |= _fmt_has_nbo; | |
| 212 | |
| 213 int this_size = 1; | |
| 214 if (*fp == fc) { | |
| 215 // advance beyond run of the same characters | |
| 216 this_size = 2; | |
| 217 while (*++fp == fc) this_size++; | |
| 218 switch (this_size) { | |
| 219 case 2: flags |= _fmt_has_u2; break; | |
| 220 case 4: flags |= _fmt_has_u4; break; | |
| 221 default: guarantee(false, "bad rep count in format"); | |
| 222 } | |
| 223 } | |
| 224 guarantee(has_size == 0 || // no field yet | |
| 225 this_size == has_size || // same size | |
| 226 this_size < has_size && *fp == '\0', // last field can be short | |
| 227 "mixed field sizes in format"); | |
| 228 has_size = this_size; | |
| 229 } | |
| 230 } | |
| 231 | |
| 0 | 232 void Bytecodes::initialize() { |
| 233 if (_is_initialized) return; | |
| 234 assert(number_of_codes <= 256, "too many bytecodes"); | |
| 235 | |
| 236 // initialize bytecode tables - didn't use static array initializers | |
| 237 // (such as {}) so we can do additional consistency checks and init- | |
| 238 // code is independent of actual bytecode numbering. | |
| 239 // | |
| 240 // Note 1: NULL for the format string means the bytecode doesn't exist | |
| 241 // in that form. | |
| 242 // | |
| 243 // Note 2: The result type is T_ILLEGAL for bytecodes where the top of stack | |
| 244 // type after execution is not only determined by the bytecode itself. | |
| 245 | |
| 246 // Java bytecodes | |
| 247 // bytecode bytecode name format wide f. result tp stk traps | |
| 248 def(_nop , "nop" , "b" , NULL , T_VOID , 0, false); | |
| 249 def(_aconst_null , "aconst_null" , "b" , NULL , T_OBJECT , 1, false); | |
| 250 def(_iconst_m1 , "iconst_m1" , "b" , NULL , T_INT , 1, false); | |
| 251 def(_iconst_0 , "iconst_0" , "b" , NULL , T_INT , 1, false); | |
| 252 def(_iconst_1 , "iconst_1" , "b" , NULL , T_INT , 1, false); | |
| 253 def(_iconst_2 , "iconst_2" , "b" , NULL , T_INT , 1, false); | |
| 254 def(_iconst_3 , "iconst_3" , "b" , NULL , T_INT , 1, false); | |
| 255 def(_iconst_4 , "iconst_4" , "b" , NULL , T_INT , 1, false); | |
| 256 def(_iconst_5 , "iconst_5" , "b" , NULL , T_INT , 1, false); | |
| 257 def(_lconst_0 , "lconst_0" , "b" , NULL , T_LONG , 2, false); | |
| 258 def(_lconst_1 , "lconst_1" , "b" , NULL , T_LONG , 2, false); | |
| 259 def(_fconst_0 , "fconst_0" , "b" , NULL , T_FLOAT , 1, false); | |
| 260 def(_fconst_1 , "fconst_1" , "b" , NULL , T_FLOAT , 1, false); | |
| 261 def(_fconst_2 , "fconst_2" , "b" , NULL , T_FLOAT , 1, false); | |
| 262 def(_dconst_0 , "dconst_0" , "b" , NULL , T_DOUBLE , 2, false); | |
| 263 def(_dconst_1 , "dconst_1" , "b" , NULL , T_DOUBLE , 2, false); | |
| 264 def(_bipush , "bipush" , "bc" , NULL , T_INT , 1, false); | |
| 265 def(_sipush , "sipush" , "bcc" , NULL , T_INT , 1, false); | |
| 1565 | 266 def(_ldc , "ldc" , "bk" , NULL , T_ILLEGAL, 1, true ); |
| 267 def(_ldc_w , "ldc_w" , "bkk" , NULL , T_ILLEGAL, 1, true ); | |
| 268 def(_ldc2_w , "ldc2_w" , "bkk" , NULL , T_ILLEGAL, 2, true ); | |
| 0 | 269 def(_iload , "iload" , "bi" , "wbii" , T_INT , 1, false); |
| 270 def(_lload , "lload" , "bi" , "wbii" , T_LONG , 2, false); | |
| 271 def(_fload , "fload" , "bi" , "wbii" , T_FLOAT , 1, false); | |
| 272 def(_dload , "dload" , "bi" , "wbii" , T_DOUBLE , 2, false); | |
| 273 def(_aload , "aload" , "bi" , "wbii" , T_OBJECT , 1, false); | |
| 274 def(_iload_0 , "iload_0" , "b" , NULL , T_INT , 1, false); | |
| 275 def(_iload_1 , "iload_1" , "b" , NULL , T_INT , 1, false); | |
| 276 def(_iload_2 , "iload_2" , "b" , NULL , T_INT , 1, false); | |
| 277 def(_iload_3 , "iload_3" , "b" , NULL , T_INT , 1, false); | |
| 278 def(_lload_0 , "lload_0" , "b" , NULL , T_LONG , 2, false); | |
| 279 def(_lload_1 , "lload_1" , "b" , NULL , T_LONG , 2, false); | |
| 280 def(_lload_2 , "lload_2" , "b" , NULL , T_LONG , 2, false); | |
| 281 def(_lload_3 , "lload_3" , "b" , NULL , T_LONG , 2, false); | |
| 282 def(_fload_0 , "fload_0" , "b" , NULL , T_FLOAT , 1, false); | |
| 283 def(_fload_1 , "fload_1" , "b" , NULL , T_FLOAT , 1, false); | |
| 284 def(_fload_2 , "fload_2" , "b" , NULL , T_FLOAT , 1, false); | |
| 285 def(_fload_3 , "fload_3" , "b" , NULL , T_FLOAT , 1, false); | |
| 286 def(_dload_0 , "dload_0" , "b" , NULL , T_DOUBLE , 2, false); | |
| 287 def(_dload_1 , "dload_1" , "b" , NULL , T_DOUBLE , 2, false); | |
| 288 def(_dload_2 , "dload_2" , "b" , NULL , T_DOUBLE , 2, false); | |
| 289 def(_dload_3 , "dload_3" , "b" , NULL , T_DOUBLE , 2, false); | |
| 290 def(_aload_0 , "aload_0" , "b" , NULL , T_OBJECT , 1, true ); // rewriting in interpreter | |
| 291 def(_aload_1 , "aload_1" , "b" , NULL , T_OBJECT , 1, false); | |
| 292 def(_aload_2 , "aload_2" , "b" , NULL , T_OBJECT , 1, false); | |
| 293 def(_aload_3 , "aload_3" , "b" , NULL , T_OBJECT , 1, false); | |
| 294 def(_iaload , "iaload" , "b" , NULL , T_INT , -1, true ); | |
| 295 def(_laload , "laload" , "b" , NULL , T_LONG , 0, true ); | |
| 296 def(_faload , "faload" , "b" , NULL , T_FLOAT , -1, true ); | |
| 297 def(_daload , "daload" , "b" , NULL , T_DOUBLE , 0, true ); | |
| 298 def(_aaload , "aaload" , "b" , NULL , T_OBJECT , -1, true ); | |
| 299 def(_baload , "baload" , "b" , NULL , T_INT , -1, true ); | |
| 300 def(_caload , "caload" , "b" , NULL , T_INT , -1, true ); | |
| 301 def(_saload , "saload" , "b" , NULL , T_INT , -1, true ); | |
| 302 def(_istore , "istore" , "bi" , "wbii" , T_VOID , -1, false); | |
| 303 def(_lstore , "lstore" , "bi" , "wbii" , T_VOID , -2, false); | |
| 304 def(_fstore , "fstore" , "bi" , "wbii" , T_VOID , -1, false); | |
| 305 def(_dstore , "dstore" , "bi" , "wbii" , T_VOID , -2, false); | |
| 306 def(_astore , "astore" , "bi" , "wbii" , T_VOID , -1, false); | |
| 307 def(_istore_0 , "istore_0" , "b" , NULL , T_VOID , -1, false); | |
| 308 def(_istore_1 , "istore_1" , "b" , NULL , T_VOID , -1, false); | |
| 309 def(_istore_2 , "istore_2" , "b" , NULL , T_VOID , -1, false); | |
| 310 def(_istore_3 , "istore_3" , "b" , NULL , T_VOID , -1, false); | |
| 311 def(_lstore_0 , "lstore_0" , "b" , NULL , T_VOID , -2, false); | |
| 312 def(_lstore_1 , "lstore_1" , "b" , NULL , T_VOID , -2, false); | |
| 313 def(_lstore_2 , "lstore_2" , "b" , NULL , T_VOID , -2, false); | |
| 314 def(_lstore_3 , "lstore_3" , "b" , NULL , T_VOID , -2, false); | |
| 315 def(_fstore_0 , "fstore_0" , "b" , NULL , T_VOID , -1, false); | |
| 316 def(_fstore_1 , "fstore_1" , "b" , NULL , T_VOID , -1, false); | |
| 317 def(_fstore_2 , "fstore_2" , "b" , NULL , T_VOID , -1, false); | |
| 318 def(_fstore_3 , "fstore_3" , "b" , NULL , T_VOID , -1, false); | |
| 319 def(_dstore_0 , "dstore_0" , "b" , NULL , T_VOID , -2, false); | |
| 320 def(_dstore_1 , "dstore_1" , "b" , NULL , T_VOID , -2, false); | |
| 321 def(_dstore_2 , "dstore_2" , "b" , NULL , T_VOID , -2, false); | |
| 322 def(_dstore_3 , "dstore_3" , "b" , NULL , T_VOID , -2, false); | |
| 323 def(_astore_0 , "astore_0" , "b" , NULL , T_VOID , -1, false); | |
| 324 def(_astore_1 , "astore_1" , "b" , NULL , T_VOID , -1, false); | |
| 325 def(_astore_2 , "astore_2" , "b" , NULL , T_VOID , -1, false); | |
| 326 def(_astore_3 , "astore_3" , "b" , NULL , T_VOID , -1, false); | |
| 327 def(_iastore , "iastore" , "b" , NULL , T_VOID , -3, true ); | |
| 328 def(_lastore , "lastore" , "b" , NULL , T_VOID , -4, true ); | |
| 329 def(_fastore , "fastore" , "b" , NULL , T_VOID , -3, true ); | |
| 330 def(_dastore , "dastore" , "b" , NULL , T_VOID , -4, true ); | |
| 331 def(_aastore , "aastore" , "b" , NULL , T_VOID , -3, true ); | |
| 332 def(_bastore , "bastore" , "b" , NULL , T_VOID , -3, true ); | |
| 333 def(_castore , "castore" , "b" , NULL , T_VOID , -3, true ); | |
| 334 def(_sastore , "sastore" , "b" , NULL , T_VOID , -3, true ); | |
| 335 def(_pop , "pop" , "b" , NULL , T_VOID , -1, false); | |
| 336 def(_pop2 , "pop2" , "b" , NULL , T_VOID , -2, false); | |
| 337 def(_dup , "dup" , "b" , NULL , T_VOID , 1, false); | |
| 338 def(_dup_x1 , "dup_x1" , "b" , NULL , T_VOID , 1, false); | |
| 339 def(_dup_x2 , "dup_x2" , "b" , NULL , T_VOID , 1, false); | |
| 340 def(_dup2 , "dup2" , "b" , NULL , T_VOID , 2, false); | |
| 341 def(_dup2_x1 , "dup2_x1" , "b" , NULL , T_VOID , 2, false); | |
| 342 def(_dup2_x2 , "dup2_x2" , "b" , NULL , T_VOID , 2, false); | |
| 343 def(_swap , "swap" , "b" , NULL , T_VOID , 0, false); | |
| 344 def(_iadd , "iadd" , "b" , NULL , T_INT , -1, false); | |
| 345 def(_ladd , "ladd" , "b" , NULL , T_LONG , -2, false); | |
| 346 def(_fadd , "fadd" , "b" , NULL , T_FLOAT , -1, false); | |
| 347 def(_dadd , "dadd" , "b" , NULL , T_DOUBLE , -2, false); | |
| 348 def(_isub , "isub" , "b" , NULL , T_INT , -1, false); | |
| 349 def(_lsub , "lsub" , "b" , NULL , T_LONG , -2, false); | |
| 350 def(_fsub , "fsub" , "b" , NULL , T_FLOAT , -1, false); | |
| 351 def(_dsub , "dsub" , "b" , NULL , T_DOUBLE , -2, false); | |
| 352 def(_imul , "imul" , "b" , NULL , T_INT , -1, false); | |
| 353 def(_lmul , "lmul" , "b" , NULL , T_LONG , -2, false); | |
| 354 def(_fmul , "fmul" , "b" , NULL , T_FLOAT , -1, false); | |
| 355 def(_dmul , "dmul" , "b" , NULL , T_DOUBLE , -2, false); | |
| 356 def(_idiv , "idiv" , "b" , NULL , T_INT , -1, true ); | |
| 357 def(_ldiv , "ldiv" , "b" , NULL , T_LONG , -2, true ); | |
| 358 def(_fdiv , "fdiv" , "b" , NULL , T_FLOAT , -1, false); | |
| 359 def(_ddiv , "ddiv" , "b" , NULL , T_DOUBLE , -2, false); | |
| 360 def(_irem , "irem" , "b" , NULL , T_INT , -1, true ); | |
| 361 def(_lrem , "lrem" , "b" , NULL , T_LONG , -2, true ); | |
| 362 def(_frem , "frem" , "b" , NULL , T_FLOAT , -1, false); | |
| 363 def(_drem , "drem" , "b" , NULL , T_DOUBLE , -2, false); | |
| 364 def(_ineg , "ineg" , "b" , NULL , T_INT , 0, false); | |
| 365 def(_lneg , "lneg" , "b" , NULL , T_LONG , 0, false); | |
| 366 def(_fneg , "fneg" , "b" , NULL , T_FLOAT , 0, false); | |
| 367 def(_dneg , "dneg" , "b" , NULL , T_DOUBLE , 0, false); | |
| 368 def(_ishl , "ishl" , "b" , NULL , T_INT , -1, false); | |
| 369 def(_lshl , "lshl" , "b" , NULL , T_LONG , -1, false); | |
| 370 def(_ishr , "ishr" , "b" , NULL , T_INT , -1, false); | |
| 371 def(_lshr , "lshr" , "b" , NULL , T_LONG , -1, false); | |
| 372 def(_iushr , "iushr" , "b" , NULL , T_INT , -1, false); | |
| 373 def(_lushr , "lushr" , "b" , NULL , T_LONG , -1, false); | |
| 374 def(_iand , "iand" , "b" , NULL , T_INT , -1, false); | |
| 375 def(_land , "land" , "b" , NULL , T_LONG , -2, false); | |
| 376 def(_ior , "ior" , "b" , NULL , T_INT , -1, false); | |
| 377 def(_lor , "lor" , "b" , NULL , T_LONG , -2, false); | |
| 378 def(_ixor , "ixor" , "b" , NULL , T_INT , -1, false); | |
| 379 def(_lxor , "lxor" , "b" , NULL , T_LONG , -2, false); | |
| 380 def(_iinc , "iinc" , "bic" , "wbiicc", T_VOID , 0, false); | |
| 381 def(_i2l , "i2l" , "b" , NULL , T_LONG , 1, false); | |
| 382 def(_i2f , "i2f" , "b" , NULL , T_FLOAT , 0, false); | |
| 383 def(_i2d , "i2d" , "b" , NULL , T_DOUBLE , 1, false); | |
| 384 def(_l2i , "l2i" , "b" , NULL , T_INT , -1, false); | |
| 385 def(_l2f , "l2f" , "b" , NULL , T_FLOAT , -1, false); | |
| 386 def(_l2d , "l2d" , "b" , NULL , T_DOUBLE , 0, false); | |
| 387 def(_f2i , "f2i" , "b" , NULL , T_INT , 0, false); | |
| 388 def(_f2l , "f2l" , "b" , NULL , T_LONG , 1, false); | |
| 389 def(_f2d , "f2d" , "b" , NULL , T_DOUBLE , 1, false); | |
| 390 def(_d2i , "d2i" , "b" , NULL , T_INT , -1, false); | |
| 391 def(_d2l , "d2l" , "b" , NULL , T_LONG , 0, false); | |
| 392 def(_d2f , "d2f" , "b" , NULL , T_FLOAT , -1, false); | |
| 393 def(_i2b , "i2b" , "b" , NULL , T_BYTE , 0, false); | |
| 394 def(_i2c , "i2c" , "b" , NULL , T_CHAR , 0, false); | |
| 395 def(_i2s , "i2s" , "b" , NULL , T_SHORT , 0, false); | |
| 396 def(_lcmp , "lcmp" , "b" , NULL , T_VOID , -3, false); | |
| 397 def(_fcmpl , "fcmpl" , "b" , NULL , T_VOID , -1, false); | |
| 398 def(_fcmpg , "fcmpg" , "b" , NULL , T_VOID , -1, false); | |
| 399 def(_dcmpl , "dcmpl" , "b" , NULL , T_VOID , -3, false); | |
| 400 def(_dcmpg , "dcmpg" , "b" , NULL , T_VOID , -3, false); | |
| 401 def(_ifeq , "ifeq" , "boo" , NULL , T_VOID , -1, false); | |
| 402 def(_ifne , "ifne" , "boo" , NULL , T_VOID , -1, false); | |
| 403 def(_iflt , "iflt" , "boo" , NULL , T_VOID , -1, false); | |
| 404 def(_ifge , "ifge" , "boo" , NULL , T_VOID , -1, false); | |
| 405 def(_ifgt , "ifgt" , "boo" , NULL , T_VOID , -1, false); | |
| 406 def(_ifle , "ifle" , "boo" , NULL , T_VOID , -1, false); | |
| 407 def(_if_icmpeq , "if_icmpeq" , "boo" , NULL , T_VOID , -2, false); | |
| 408 def(_if_icmpne , "if_icmpne" , "boo" , NULL , T_VOID , -2, false); | |
| 409 def(_if_icmplt , "if_icmplt" , "boo" , NULL , T_VOID , -2, false); | |
| 410 def(_if_icmpge , "if_icmpge" , "boo" , NULL , T_VOID , -2, false); | |
| 411 def(_if_icmpgt , "if_icmpgt" , "boo" , NULL , T_VOID , -2, false); | |
| 412 def(_if_icmple , "if_icmple" , "boo" , NULL , T_VOID , -2, false); | |
| 413 def(_if_acmpeq , "if_acmpeq" , "boo" , NULL , T_VOID , -2, false); | |
| 414 def(_if_acmpne , "if_acmpne" , "boo" , NULL , T_VOID , -2, false); | |
| 415 def(_goto , "goto" , "boo" , NULL , T_VOID , 0, false); | |
| 416 def(_jsr , "jsr" , "boo" , NULL , T_INT , 0, false); | |
| 417 def(_ret , "ret" , "bi" , "wbii" , T_VOID , 0, false); | |
| 418 def(_tableswitch , "tableswitch" , "" , NULL , T_VOID , -1, false); // may have backward branches | |
| 419 def(_lookupswitch , "lookupswitch" , "" , NULL , T_VOID , -1, false); // rewriting in interpreter | |
| 420 def(_ireturn , "ireturn" , "b" , NULL , T_INT , -1, true); | |
| 421 def(_lreturn , "lreturn" , "b" , NULL , T_LONG , -2, true); | |
| 422 def(_freturn , "freturn" , "b" , NULL , T_FLOAT , -1, true); | |
| 423 def(_dreturn , "dreturn" , "b" , NULL , T_DOUBLE , -2, true); | |
| 424 def(_areturn , "areturn" , "b" , NULL , T_OBJECT , -1, true); | |
| 425 def(_return , "return" , "b" , NULL , T_VOID , 0, true); | |
| 1565 | 426 def(_getstatic , "getstatic" , "bJJ" , NULL , T_ILLEGAL, 1, true ); |
| 427 def(_putstatic , "putstatic" , "bJJ" , NULL , T_ILLEGAL, -1, true ); | |
| 428 def(_getfield , "getfield" , "bJJ" , NULL , T_ILLEGAL, 0, true ); | |
| 429 def(_putfield , "putfield" , "bJJ" , NULL , T_ILLEGAL, -2, true ); | |
| 430 def(_invokevirtual , "invokevirtual" , "bJJ" , NULL , T_ILLEGAL, -1, true); | |
| 431 def(_invokespecial , "invokespecial" , "bJJ" , NULL , T_ILLEGAL, -1, true); | |
| 432 def(_invokestatic , "invokestatic" , "bJJ" , NULL , T_ILLEGAL, 0, true); | |
| 433 def(_invokeinterface , "invokeinterface" , "bJJ__", NULL , T_ILLEGAL, -1, true); | |
| 434 def(_invokedynamic , "invokedynamic" , "bJJJJ", NULL , T_ILLEGAL, 0, true ); | |
| 435 def(_new , "new" , "bkk" , NULL , T_OBJECT , 1, true ); | |
| 0 | 436 def(_newarray , "newarray" , "bc" , NULL , T_OBJECT , 0, true ); |
| 1565 | 437 def(_anewarray , "anewarray" , "bkk" , NULL , T_OBJECT , 0, true ); |
| 0 | 438 def(_arraylength , "arraylength" , "b" , NULL , T_VOID , 0, true ); |
| 439 def(_athrow , "athrow" , "b" , NULL , T_VOID , -1, true ); | |
| 1565 | 440 def(_checkcast , "checkcast" , "bkk" , NULL , T_OBJECT , 0, true ); |
| 441 def(_instanceof , "instanceof" , "bkk" , NULL , T_INT , 0, true ); | |
| 0 | 442 def(_monitorenter , "monitorenter" , "b" , NULL , T_VOID , -1, true ); |
| 443 def(_monitorexit , "monitorexit" , "b" , NULL , T_VOID , -1, true ); | |
| 444 def(_wide , "wide" , "" , NULL , T_VOID , 0, false); | |
| 1565 | 445 def(_multianewarray , "multianewarray" , "bkkc" , NULL , T_OBJECT , 1, true ); |
| 0 | 446 def(_ifnull , "ifnull" , "boo" , NULL , T_VOID , -1, false); |
| 447 def(_ifnonnull , "ifnonnull" , "boo" , NULL , T_VOID , -1, false); | |
| 448 def(_goto_w , "goto_w" , "boooo", NULL , T_VOID , 0, false); | |
| 449 def(_jsr_w , "jsr_w" , "boooo", NULL , T_INT , 0, false); | |
| 450 def(_breakpoint , "breakpoint" , "" , NULL , T_VOID , 0, true); | |
| 451 | |
| 452 // JVM bytecodes | |
| 453 // bytecode bytecode name format wide f. result tp stk traps std code | |
| 454 | |
| 1565 | 455 def(_fast_agetfield , "fast_agetfield" , "bJJ" , NULL , T_OBJECT , 0, true , _getfield ); |
| 456 def(_fast_bgetfield , "fast_bgetfield" , "bJJ" , NULL , T_INT , 0, true , _getfield ); | |
| 457 def(_fast_cgetfield , "fast_cgetfield" , "bJJ" , NULL , T_CHAR , 0, true , _getfield ); | |
| 458 def(_fast_dgetfield , "fast_dgetfield" , "bJJ" , NULL , T_DOUBLE , 0, true , _getfield ); | |
| 459 def(_fast_fgetfield , "fast_fgetfield" , "bJJ" , NULL , T_FLOAT , 0, true , _getfield ); | |
| 460 def(_fast_igetfield , "fast_igetfield" , "bJJ" , NULL , T_INT , 0, true , _getfield ); | |
| 461 def(_fast_lgetfield , "fast_lgetfield" , "bJJ" , NULL , T_LONG , 0, true , _getfield ); | |
| 462 def(_fast_sgetfield , "fast_sgetfield" , "bJJ" , NULL , T_SHORT , 0, true , _getfield ); | |
| 0 | 463 |
| 1565 | 464 def(_fast_aputfield , "fast_aputfield" , "bJJ" , NULL , T_OBJECT , 0, true , _putfield ); |
| 465 def(_fast_bputfield , "fast_bputfield" , "bJJ" , NULL , T_INT , 0, true , _putfield ); | |
| 466 def(_fast_cputfield , "fast_cputfield" , "bJJ" , NULL , T_CHAR , 0, true , _putfield ); | |
| 467 def(_fast_dputfield , "fast_dputfield" , "bJJ" , NULL , T_DOUBLE , 0, true , _putfield ); | |
| 468 def(_fast_fputfield , "fast_fputfield" , "bJJ" , NULL , T_FLOAT , 0, true , _putfield ); | |
| 469 def(_fast_iputfield , "fast_iputfield" , "bJJ" , NULL , T_INT , 0, true , _putfield ); | |
| 470 def(_fast_lputfield , "fast_lputfield" , "bJJ" , NULL , T_LONG , 0, true , _putfield ); | |
| 471 def(_fast_sputfield , "fast_sputfield" , "bJJ" , NULL , T_SHORT , 0, true , _putfield ); | |
| 0 | 472 |
| 473 def(_fast_aload_0 , "fast_aload_0" , "b" , NULL , T_OBJECT , 1, true , _aload_0 ); | |
| 1565 | 474 def(_fast_iaccess_0 , "fast_iaccess_0" , "b_JJ" , NULL , T_INT , 1, true , _aload_0 ); |
| 475 def(_fast_aaccess_0 , "fast_aaccess_0" , "b_JJ" , NULL , T_OBJECT , 1, true , _aload_0 ); | |
| 476 def(_fast_faccess_0 , "fast_faccess_0" , "b_JJ" , NULL , T_OBJECT , 1, true , _aload_0 ); | |
| 0 | 477 |
| 478 def(_fast_iload , "fast_iload" , "bi" , NULL , T_INT , 1, false, _iload); | |
| 479 def(_fast_iload2 , "fast_iload2" , "bi_i" , NULL , T_INT , 2, false, _iload); | |
| 480 def(_fast_icaload , "fast_icaload" , "bi_" , NULL , T_INT , 0, false, _iload); | |
| 481 | |
| 482 // Faster method invocation. | |
| 1565 | 483 def(_fast_invokevfinal , "fast_invokevfinal" , "bJJ" , NULL , T_ILLEGAL, -1, true, _invokevirtual ); |
| 0 | 484 |
| 485 def(_fast_linearswitch , "fast_linearswitch" , "" , NULL , T_VOID , -1, false, _lookupswitch ); | |
| 486 def(_fast_binaryswitch , "fast_binaryswitch" , "" , NULL , T_VOID , -1, false, _lookupswitch ); | |
| 487 | |
| 488 def(_return_register_finalizer , "return_register_finalizer" , "b" , NULL , T_VOID , 0, true, _return); | |
| 489 | |
| 490 def(_shouldnotreachhere , "_shouldnotreachhere" , "b" , NULL , T_VOID , 0, false); | |
| 491 | |
| 492 // platform specific JVM bytecodes | |
| 493 pd_initialize(); | |
| 494 | |
| 495 // compare can_trap information for each bytecode with the | |
| 496 // can_trap information for the corresponding base bytecode | |
| 497 // (if a rewritten bytecode can trap, so must the base bytecode) | |
| 498 #ifdef ASSERT | |
| 499 { for (int i = 0; i < number_of_codes; i++) { | |
| 500 if (is_defined(i)) { | |
| 501 Code code = cast(i); | |
| 502 Code java = java_code(code); | |
|
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503 if (can_trap(code) && !can_trap(java)) |
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504 fatal(err_msg("%s can trap => %s can trap, too", name(code), |
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505 name(java))); |
| 0 | 506 } |
| 507 } | |
| 508 } | |
| 509 #endif | |
| 510 | |
| 511 // initialization successful | |
| 512 _is_initialized = true; | |
| 513 } | |
| 514 | |
| 515 | |
| 516 void bytecodes_init() { | |
| 517 Bytecodes::initialize(); | |
| 518 } | |
| 519 | |
| 520 // Restore optimization | |
| 521 #ifdef _M_AMD64 | |
| 522 #pragma optimize ("", on) | |
| 523 #endif |