Wed, 13 Mar 2013 09:44:45 +0100
8009761: Deoptimization on sparc doesn't set Llast_SP correctly in the interpreter frames it creates
Summary: deoptimization doesn't set up callee frames so that they restore caller frames correctly.
Reviewed-by: kvn
duke@435 | 1 | /* |
coleenp@4037 | 2 | * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
trims@1907 | 21 | * questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
stefank@2314 | 25 | #ifndef SHARE_VM_INTERPRETER_BYTECODE_HPP |
stefank@2314 | 26 | #define SHARE_VM_INTERPRETER_BYTECODE_HPP |
stefank@2314 | 27 | |
stefank@2314 | 28 | #include "interpreter/bytecodes.hpp" |
stefank@2314 | 29 | #include "memory/allocation.hpp" |
coleenp@4037 | 30 | #include "oops/method.hpp" |
stefank@2314 | 31 | #ifdef TARGET_ARCH_x86 |
stefank@2314 | 32 | # include "bytes_x86.hpp" |
stefank@2314 | 33 | #endif |
stefank@2314 | 34 | #ifdef TARGET_ARCH_sparc |
stefank@2314 | 35 | # include "bytes_sparc.hpp" |
stefank@2314 | 36 | #endif |
stefank@2314 | 37 | #ifdef TARGET_ARCH_zero |
stefank@2314 | 38 | # include "bytes_zero.hpp" |
stefank@2314 | 39 | #endif |
bobv@2508 | 40 | #ifdef TARGET_ARCH_arm |
bobv@2508 | 41 | # include "bytes_arm.hpp" |
bobv@2508 | 42 | #endif |
bobv@2508 | 43 | #ifdef TARGET_ARCH_ppc |
bobv@2508 | 44 | # include "bytes_ppc.hpp" |
bobv@2508 | 45 | #endif |
stefank@2314 | 46 | |
never@2462 | 47 | class ciBytecodeStream; |
duke@435 | 48 | |
never@2462 | 49 | // The base class for different kinds of bytecode abstractions. |
never@2462 | 50 | // Provides the primitive operations to manipulate code relative |
never@2462 | 51 | // to the bcp. |
never@2462 | 52 | |
never@2462 | 53 | class Bytecode: public StackObj { |
never@2462 | 54 | protected: |
never@2462 | 55 | const address _bcp; |
never@2462 | 56 | const Bytecodes::Code _code; |
never@2462 | 57 | |
duke@435 | 58 | // Address computation |
never@2462 | 59 | address addr_at (int offset) const { return (address)_bcp + offset; } |
never@2462 | 60 | u_char byte_at(int offset) const { return *addr_at(offset); } |
duke@435 | 61 | address aligned_addr_at (int offset) const { return (address)round_to((intptr_t)addr_at(offset), jintSize); } |
duke@435 | 62 | int aligned_offset (int offset) const { return aligned_addr_at(offset) - addr_at(0); } |
duke@435 | 63 | |
jrose@1920 | 64 | // Word access: |
jrose@1920 | 65 | int get_Java_u2_at (int offset) const { return Bytes::get_Java_u2(addr_at(offset)); } |
jrose@1920 | 66 | int get_Java_u4_at (int offset) const { return Bytes::get_Java_u4(addr_at(offset)); } |
jrose@1920 | 67 | int get_native_u2_at (int offset) const { return Bytes::get_native_u2(addr_at(offset)); } |
jrose@1920 | 68 | int get_native_u4_at (int offset) const { return Bytes::get_native_u4(addr_at(offset)); } |
duke@435 | 69 | |
duke@435 | 70 | public: |
coleenp@4037 | 71 | Bytecode(Method* method, address bcp): _bcp(bcp), _code(Bytecodes::code_at(method, addr_at(0))) { |
coleenp@4037 | 72 | assert(method != NULL, "this form requires a valid Method*"); |
never@2462 | 73 | } |
never@2462 | 74 | // Defined in ciStreams.hpp |
never@2462 | 75 | inline Bytecode(const ciBytecodeStream* stream, address bcp = NULL); |
never@2462 | 76 | |
duke@435 | 77 | // Attributes |
never@2462 | 78 | address bcp() const { return _bcp; } |
never@2462 | 79 | int instruction_size() const { return Bytecodes::length_for_code_at(_code, bcp()); } |
duke@435 | 80 | |
never@2462 | 81 | Bytecodes::Code code() const { return _code; } |
duke@435 | 82 | Bytecodes::Code java_code() const { return Bytecodes::java_code(code()); } |
twisti@3969 | 83 | Bytecodes::Code invoke_code() const { return (code() == Bytecodes::_invokehandle) ? code() : java_code(); } |
jrose@1161 | 84 | |
jrose@1920 | 85 | // Static functions for parsing bytecodes in place. |
jrose@1920 | 86 | int get_index_u1(Bytecodes::Code bc) const { |
jrose@1920 | 87 | assert_same_format_as(bc); assert_index_size(1, bc); |
jrose@1920 | 88 | return *(jubyte*)addr_at(1); |
jrose@1920 | 89 | } |
jrose@1920 | 90 | int get_index_u2(Bytecodes::Code bc, bool is_wide = false) const { |
jrose@1920 | 91 | assert_same_format_as(bc, is_wide); assert_index_size(2, bc, is_wide); |
jrose@1920 | 92 | address p = addr_at(is_wide ? 2 : 1); |
jrose@1920 | 93 | if (can_use_native_byte_order(bc, is_wide)) |
never@2462 | 94 | return Bytes::get_native_u2(p); |
jrose@1920 | 95 | else return Bytes::get_Java_u2(p); |
jrose@1920 | 96 | } |
jrose@1957 | 97 | int get_index_u1_cpcache(Bytecodes::Code bc) const { |
jrose@1957 | 98 | assert_same_format_as(bc); assert_index_size(1, bc); |
coleenp@4037 | 99 | return *(jubyte*)addr_at(1) + ConstantPool::CPCACHE_INDEX_TAG; |
jrose@1957 | 100 | } |
jrose@1920 | 101 | int get_index_u2_cpcache(Bytecodes::Code bc) const { |
jrose@1920 | 102 | assert_same_format_as(bc); assert_index_size(2, bc); assert_native_index(bc); |
coleenp@4037 | 103 | return Bytes::get_native_u2(addr_at(1)) + ConstantPool::CPCACHE_INDEX_TAG; |
jrose@1920 | 104 | } |
jrose@1920 | 105 | int get_index_u4(Bytecodes::Code bc) const { |
jrose@1920 | 106 | assert_same_format_as(bc); assert_index_size(4, bc); |
jrose@1920 | 107 | assert(can_use_native_byte_order(bc), ""); |
jrose@1920 | 108 | return Bytes::get_native_u4(addr_at(1)); |
jrose@1920 | 109 | } |
jrose@1920 | 110 | bool has_index_u4(Bytecodes::Code bc) const { |
jrose@1920 | 111 | return bc == Bytecodes::_invokedynamic; |
jrose@1920 | 112 | } |
jrose@1920 | 113 | |
jrose@1920 | 114 | int get_offset_s2(Bytecodes::Code bc) const { |
jrose@1920 | 115 | assert_same_format_as(bc); assert_offset_size(2, bc); |
jrose@1920 | 116 | return (jshort) Bytes::get_Java_u2(addr_at(1)); |
jrose@1920 | 117 | } |
jrose@1920 | 118 | int get_offset_s4(Bytecodes::Code bc) const { |
jrose@1920 | 119 | assert_same_format_as(bc); assert_offset_size(4, bc); |
jrose@1920 | 120 | return (jint) Bytes::get_Java_u4(addr_at(1)); |
jrose@1920 | 121 | } |
jrose@1920 | 122 | |
jrose@1920 | 123 | int get_constant_u1(int offset, Bytecodes::Code bc) const { |
jrose@1920 | 124 | assert_same_format_as(bc); assert_constant_size(1, offset, bc); |
jrose@1920 | 125 | return *(jbyte*)addr_at(offset); |
jrose@1920 | 126 | } |
jrose@1920 | 127 | int get_constant_u2(int offset, Bytecodes::Code bc, bool is_wide = false) const { |
jrose@1920 | 128 | assert_same_format_as(bc, is_wide); assert_constant_size(2, offset, bc, is_wide); |
jrose@1920 | 129 | return (jshort) Bytes::get_Java_u2(addr_at(offset)); |
jrose@1920 | 130 | } |
jrose@1920 | 131 | |
jrose@1920 | 132 | // These are used locally and also from bytecode streams. |
jrose@1920 | 133 | void assert_same_format_as(Bytecodes::Code testbc, bool is_wide = false) const NOT_DEBUG_RETURN; |
jrose@1920 | 134 | static void assert_index_size(int required_size, Bytecodes::Code bc, bool is_wide = false) NOT_DEBUG_RETURN; |
jrose@1920 | 135 | static void assert_offset_size(int required_size, Bytecodes::Code bc, bool is_wide = false) NOT_DEBUG_RETURN; |
jrose@1920 | 136 | static void assert_constant_size(int required_size, int where, Bytecodes::Code bc, bool is_wide = false) NOT_DEBUG_RETURN; |
jrose@1920 | 137 | static void assert_native_index(Bytecodes::Code bc, bool is_wide = false) NOT_DEBUG_RETURN; |
jrose@1920 | 138 | static bool can_use_native_byte_order(Bytecodes::Code bc, bool is_wide = false) { |
jrose@1920 | 139 | return (!Bytes::is_Java_byte_ordering_different() || Bytecodes::native_byte_order(bc /*, is_wide*/)); |
jrose@1161 | 140 | } |
duke@435 | 141 | }; |
duke@435 | 142 | |
duke@435 | 143 | |
duke@435 | 144 | // Abstractions for lookupswitch bytecode |
never@2462 | 145 | class LookupswitchPair VALUE_OBJ_CLASS_SPEC { |
never@2462 | 146 | private: |
never@2462 | 147 | const address _bcp; |
duke@435 | 148 | |
never@2462 | 149 | address addr_at (int offset) const { return _bcp + offset; } |
never@2462 | 150 | int get_Java_u4_at (int offset) const { return Bytes::get_Java_u4(addr_at(offset)); } |
duke@435 | 151 | |
duke@435 | 152 | public: |
never@2462 | 153 | LookupswitchPair(address bcp): _bcp(bcp) {} |
jrose@1920 | 154 | int match() const { return get_Java_u4_at(0 * jintSize); } |
jrose@1920 | 155 | int offset() const { return get_Java_u4_at(1 * jintSize); } |
duke@435 | 156 | }; |
duke@435 | 157 | |
duke@435 | 158 | |
duke@435 | 159 | class Bytecode_lookupswitch: public Bytecode { |
duke@435 | 160 | public: |
coleenp@4037 | 161 | Bytecode_lookupswitch(Method* method, address bcp): Bytecode(method, bcp) { verify(); } |
never@2462 | 162 | // Defined in ciStreams.hpp |
never@2462 | 163 | inline Bytecode_lookupswitch(const ciBytecodeStream* stream); |
duke@435 | 164 | void verify() const PRODUCT_RETURN; |
duke@435 | 165 | |
duke@435 | 166 | // Attributes |
jrose@1920 | 167 | int default_offset() const { return get_Java_u4_at(aligned_offset(1 + 0*jintSize)); } |
jrose@1920 | 168 | int number_of_pairs() const { return get_Java_u4_at(aligned_offset(1 + 1*jintSize)); } |
never@2462 | 169 | LookupswitchPair pair_at(int i) const { |
never@2462 | 170 | assert(0 <= i && i < number_of_pairs(), "pair index out of bounds"); |
never@2462 | 171 | return LookupswitchPair(aligned_addr_at(1 + (1 + i)*2*jintSize)); |
never@2462 | 172 | } |
duke@435 | 173 | }; |
duke@435 | 174 | |
duke@435 | 175 | class Bytecode_tableswitch: public Bytecode { |
duke@435 | 176 | public: |
coleenp@4037 | 177 | Bytecode_tableswitch(Method* method, address bcp): Bytecode(method, bcp) { verify(); } |
never@2462 | 178 | // Defined in ciStreams.hpp |
never@2462 | 179 | inline Bytecode_tableswitch(const ciBytecodeStream* stream); |
duke@435 | 180 | void verify() const PRODUCT_RETURN; |
duke@435 | 181 | |
duke@435 | 182 | // Attributes |
jrose@1920 | 183 | int default_offset() const { return get_Java_u4_at(aligned_offset(1 + 0*jintSize)); } |
jrose@1920 | 184 | int low_key() const { return get_Java_u4_at(aligned_offset(1 + 1*jintSize)); } |
jrose@1920 | 185 | int high_key() const { return get_Java_u4_at(aligned_offset(1 + 2*jintSize)); } |
duke@435 | 186 | int dest_offset_at(int i) const; |
duke@435 | 187 | int length() { return high_key()-low_key()+1; } |
duke@435 | 188 | }; |
duke@435 | 189 | |
jrose@1957 | 190 | // Common code for decoding invokes and field references. |
duke@435 | 191 | |
never@2462 | 192 | class Bytecode_member_ref: public Bytecode { |
duke@435 | 193 | protected: |
never@2462 | 194 | const methodHandle _method; // method containing the bytecode |
duke@435 | 195 | |
never@2462 | 196 | Bytecode_member_ref(methodHandle method, int bci) : Bytecode(method(), method()->bcp_from(bci)), _method(method) {} |
never@2462 | 197 | |
never@2462 | 198 | methodHandle method() const { return _method; } |
coleenp@4037 | 199 | ConstantPool* constants() const { return _method->constants(); } |
coleenp@4037 | 200 | ConstantPoolCache* cpcache() const { return _method->constants()->cache(); } |
twisti@3969 | 201 | ConstantPoolCacheEntry* cpcache_entry() const; |
jrose@1957 | 202 | |
jrose@1957 | 203 | public: |
jrose@1957 | 204 | int index() const; // cache index (loaded from instruction) |
jrose@1957 | 205 | int pool_index() const; // constant pool index |
twisti@3969 | 206 | Symbol* klass() const; // returns the klass of the method or field |
coleenp@2497 | 207 | Symbol* name() const; // returns the name of the method or field |
coleenp@2497 | 208 | Symbol* signature() const; // returns the signature of the method or field |
jrose@1957 | 209 | |
coleenp@2497 | 210 | BasicType result_type() const; // returns the result type of the getfield or invoke |
jrose@1957 | 211 | }; |
jrose@1957 | 212 | |
jrose@1957 | 213 | // Abstraction for invoke_{virtual, static, interface, special} |
jrose@1957 | 214 | |
jrose@1957 | 215 | class Bytecode_invoke: public Bytecode_member_ref { |
jrose@1957 | 216 | protected: |
never@2462 | 217 | // Constructor that skips verification |
never@2462 | 218 | Bytecode_invoke(methodHandle method, int bci, bool unused) : Bytecode_member_ref(method, bci) {} |
duke@435 | 219 | |
duke@435 | 220 | public: |
never@2462 | 221 | Bytecode_invoke(methodHandle method, int bci) : Bytecode_member_ref(method, bci) { verify(); } |
duke@435 | 222 | void verify() const; |
duke@435 | 223 | |
duke@435 | 224 | // Attributes |
duke@435 | 225 | methodHandle static_target(TRAPS); // "specified" method (from constant pool) |
twisti@3969 | 226 | Handle appendix(TRAPS); // if CPCE::has_appendix (from constant pool) |
duke@435 | 227 | |
duke@435 | 228 | // Testers |
twisti@3969 | 229 | bool is_invokeinterface() const { return invoke_code() == Bytecodes::_invokeinterface; } |
twisti@3969 | 230 | bool is_invokevirtual() const { return invoke_code() == Bytecodes::_invokevirtual; } |
twisti@3969 | 231 | bool is_invokestatic() const { return invoke_code() == Bytecodes::_invokestatic; } |
twisti@3969 | 232 | bool is_invokespecial() const { return invoke_code() == Bytecodes::_invokespecial; } |
twisti@3969 | 233 | bool is_invokedynamic() const { return invoke_code() == Bytecodes::_invokedynamic; } |
twisti@3969 | 234 | bool is_invokehandle() const { return invoke_code() == Bytecodes::_invokehandle; } |
jrose@1161 | 235 | |
twisti@1573 | 236 | bool has_receiver() const { return !is_invokestatic() && !is_invokedynamic(); } |
duke@435 | 237 | |
duke@435 | 238 | bool is_valid() const { return is_invokeinterface() || |
duke@435 | 239 | is_invokevirtual() || |
duke@435 | 240 | is_invokestatic() || |
twisti@1570 | 241 | is_invokespecial() || |
twisti@3969 | 242 | is_invokedynamic() || |
twisti@3969 | 243 | is_invokehandle(); } |
duke@435 | 244 | |
twisti@3969 | 245 | bool has_appendix() { return cpcache_entry()->has_appendix(); } |
twisti@3251 | 246 | |
twisti@3969 | 247 | private: |
never@2462 | 248 | // Helper to skip verification. Used is_valid() to check if the result is really an invoke |
never@2462 | 249 | inline friend Bytecode_invoke Bytecode_invoke_check(methodHandle method, int bci); |
duke@435 | 250 | }; |
duke@435 | 251 | |
never@2462 | 252 | inline Bytecode_invoke Bytecode_invoke_check(methodHandle method, int bci) { |
never@2462 | 253 | return Bytecode_invoke(method, bci, false); |
duke@435 | 254 | } |
duke@435 | 255 | |
duke@435 | 256 | |
jrose@1957 | 257 | // Abstraction for all field accesses (put/get field/static) |
jrose@1957 | 258 | class Bytecode_field: public Bytecode_member_ref { |
never@2462 | 259 | public: |
never@2462 | 260 | Bytecode_field(methodHandle method, int bci) : Bytecode_member_ref(method, bci) { verify(); } |
jrose@1957 | 261 | |
jrose@1957 | 262 | // Testers |
jrose@1957 | 263 | bool is_getfield() const { return java_code() == Bytecodes::_getfield; } |
jrose@1957 | 264 | bool is_putfield() const { return java_code() == Bytecodes::_putfield; } |
jrose@1957 | 265 | bool is_getstatic() const { return java_code() == Bytecodes::_getstatic; } |
jrose@1957 | 266 | bool is_putstatic() const { return java_code() == Bytecodes::_putstatic; } |
jrose@1957 | 267 | |
jrose@1957 | 268 | bool is_getter() const { return is_getfield() || is_getstatic(); } |
jrose@1957 | 269 | bool is_static() const { return is_getstatic() || is_putstatic(); } |
jrose@1957 | 270 | |
jrose@1957 | 271 | bool is_valid() const { return is_getfield() || |
jrose@1957 | 272 | is_putfield() || |
jrose@1957 | 273 | is_getstatic() || |
jrose@1957 | 274 | is_putstatic(); } |
duke@435 | 275 | void verify() const; |
duke@435 | 276 | }; |
duke@435 | 277 | |
duke@435 | 278 | // Abstraction for checkcast |
duke@435 | 279 | class Bytecode_checkcast: public Bytecode { |
duke@435 | 280 | public: |
coleenp@4037 | 281 | Bytecode_checkcast(Method* method, address bcp): Bytecode(method, bcp) { verify(); } |
duke@435 | 282 | void verify() const { assert(Bytecodes::java_code(code()) == Bytecodes::_checkcast, "check checkcast"); } |
duke@435 | 283 | |
duke@435 | 284 | // Returns index |
jrose@1920 | 285 | long index() const { return get_index_u2(Bytecodes::_checkcast); }; |
duke@435 | 286 | }; |
duke@435 | 287 | |
duke@435 | 288 | // Abstraction for instanceof |
duke@435 | 289 | class Bytecode_instanceof: public Bytecode { |
duke@435 | 290 | public: |
coleenp@4037 | 291 | Bytecode_instanceof(Method* method, address bcp): Bytecode(method, bcp) { verify(); } |
duke@435 | 292 | void verify() const { assert(code() == Bytecodes::_instanceof, "check instanceof"); } |
duke@435 | 293 | |
duke@435 | 294 | // Returns index |
jrose@1920 | 295 | long index() const { return get_index_u2(Bytecodes::_instanceof); }; |
duke@435 | 296 | }; |
duke@435 | 297 | |
duke@435 | 298 | class Bytecode_new: public Bytecode { |
duke@435 | 299 | public: |
coleenp@4037 | 300 | Bytecode_new(Method* method, address bcp): Bytecode(method, bcp) { verify(); } |
duke@435 | 301 | void verify() const { assert(java_code() == Bytecodes::_new, "check new"); } |
duke@435 | 302 | |
duke@435 | 303 | // Returns index |
jrose@1920 | 304 | long index() const { return get_index_u2(Bytecodes::_new); }; |
duke@435 | 305 | }; |
duke@435 | 306 | |
duke@435 | 307 | class Bytecode_multianewarray: public Bytecode { |
duke@435 | 308 | public: |
coleenp@4037 | 309 | Bytecode_multianewarray(Method* method, address bcp): Bytecode(method, bcp) { verify(); } |
duke@435 | 310 | void verify() const { assert(java_code() == Bytecodes::_multianewarray, "check new"); } |
duke@435 | 311 | |
duke@435 | 312 | // Returns index |
jrose@1920 | 313 | long index() const { return get_index_u2(Bytecodes::_multianewarray); }; |
duke@435 | 314 | }; |
duke@435 | 315 | |
duke@435 | 316 | class Bytecode_anewarray: public Bytecode { |
duke@435 | 317 | public: |
coleenp@4037 | 318 | Bytecode_anewarray(Method* method, address bcp): Bytecode(method, bcp) { verify(); } |
duke@435 | 319 | void verify() const { assert(java_code() == Bytecodes::_anewarray, "check anewarray"); } |
duke@435 | 320 | |
duke@435 | 321 | // Returns index |
jrose@1920 | 322 | long index() const { return get_index_u2(Bytecodes::_anewarray); }; |
duke@435 | 323 | }; |
duke@435 | 324 | |
duke@435 | 325 | // Abstraction for ldc, ldc_w and ldc2_w |
never@2462 | 326 | class Bytecode_loadconstant: public Bytecode { |
jrose@1957 | 327 | private: |
never@2462 | 328 | const methodHandle _method; |
jrose@1957 | 329 | |
jrose@1957 | 330 | int raw_index() const; |
jrose@1957 | 331 | |
duke@435 | 332 | public: |
never@2462 | 333 | Bytecode_loadconstant(methodHandle method, int bci): Bytecode(method(), method->bcp_from(bci)), _method(method) { verify(); } |
jrose@1957 | 334 | |
duke@435 | 335 | void verify() const { |
jrose@1957 | 336 | assert(_method.not_null(), "must supply method"); |
duke@435 | 337 | Bytecodes::Code stdc = Bytecodes::java_code(code()); |
duke@435 | 338 | assert(stdc == Bytecodes::_ldc || |
duke@435 | 339 | stdc == Bytecodes::_ldc_w || |
duke@435 | 340 | stdc == Bytecodes::_ldc2_w, "load constant"); |
duke@435 | 341 | } |
duke@435 | 342 | |
coleenp@4037 | 343 | // Only non-standard bytecodes (fast_aldc) have reference cache indexes. |
jrose@1957 | 344 | bool has_cache_index() const { return code() >= Bytecodes::number_of_java_codes; } |
duke@435 | 345 | |
jrose@1957 | 346 | int pool_index() const; // index into constant pool |
coleenp@4037 | 347 | int cache_index() const { // index into reference cache (or -1 if none) |
jrose@1957 | 348 | return has_cache_index() ? raw_index() : -1; |
jrose@1957 | 349 | } |
jrose@1957 | 350 | |
jrose@1957 | 351 | BasicType result_type() const; // returns the result type of the ldc |
jrose@1957 | 352 | |
jrose@1957 | 353 | oop resolve_constant(TRAPS) const; |
duke@435 | 354 | }; |
duke@435 | 355 | |
stefank@2314 | 356 | #endif // SHARE_VM_INTERPRETER_BYTECODE_HPP |