--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/vm/interpreter/bytecodes.cpp Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,435 @@
+/*
+ * Copyright 1997-2005 Sun Microsystems, Inc. All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+#include "incls/_precompiled.incl"
+#include "incls/_bytecodes.cpp.incl"
+
+
+// Windows AMD64 Compiler Hangs compiling this file
+// unless optimization is off
+#ifdef _M_AMD64
+#pragma optimize ("", off)
+#endif
+
+
+bool Bytecodes::_is_initialized = false;
+const char* Bytecodes::_name [Bytecodes::number_of_codes];
+const char* Bytecodes::_format [Bytecodes::number_of_codes];
+const char* Bytecodes::_wide_format [Bytecodes::number_of_codes];
+BasicType Bytecodes::_result_type [Bytecodes::number_of_codes];
+s_char Bytecodes::_depth [Bytecodes::number_of_codes];
+u_char Bytecodes::_length [Bytecodes::number_of_codes];
+bool Bytecodes::_can_trap [Bytecodes::number_of_codes];
+Bytecodes::Code Bytecodes::_java_code [Bytecodes::number_of_codes];
+bool Bytecodes::_can_rewrite [Bytecodes::number_of_codes];
+
+
+Bytecodes::Code Bytecodes::code_at(methodOop method, int bci) {
+ return code_at(method->bcp_from(bci), method);
+}
+
+Bytecodes::Code Bytecodes::non_breakpoint_code_at(address bcp, methodOop method) {
+ if (method == NULL) method = methodOopDesc::method_from_bcp(bcp);
+ return method->orig_bytecode_at(method->bci_from(bcp));
+}
+
+int Bytecodes::special_length_at(address bcp) {
+ Code code = code_at(bcp);
+ switch (code) {
+ case _wide:
+ return wide_length_for(cast(*(bcp + 1)));
+ case _tableswitch:
+ { address aligned_bcp = (address)round_to((intptr_t)bcp + 1, jintSize);
+ jlong lo = (jint)Bytes::get_Java_u4(aligned_bcp + 1*jintSize);
+ jlong hi = (jint)Bytes::get_Java_u4(aligned_bcp + 2*jintSize);
+ jlong len = (aligned_bcp - bcp) + (3 + hi - lo + 1)*jintSize;
+ // only return len if it can be represented as a positive int;
+ // return -1 otherwise
+ return (len > 0 && len == (int)len) ? len : -1;
+ }
+
+ case _lookupswitch: // fall through
+ case _fast_binaryswitch: // fall through
+ case _fast_linearswitch:
+ { address aligned_bcp = (address)round_to((intptr_t)bcp + 1, jintSize);
+ jlong npairs = (jint)Bytes::get_Java_u4(aligned_bcp + jintSize);
+ jlong len = (aligned_bcp - bcp) + (2 + 2*npairs)*jintSize;
+ // only return len if it can be represented as a positive int;
+ // return -1 otherwise
+ return (len > 0 && len == (int)len) ? len : -1;
+ }
+ }
+ return 0;
+}
+
+// At a breakpoint instruction, this returns the breakpoint's length,
+// otherwise, it's the same as special_length_at(). This is used by
+// the RawByteCodeStream, which wants to see the actual bytecode
+// values (including breakpoint). RawByteCodeStream is used by the
+// verifier when reading in bytecode to verify. Other mechanisms that
+// run at runtime (such as generateOopMaps) need to iterate over the code
+// and don't expect to see breakpoints: they want to see the instruction
+// which was replaces so that they can get the correct length and find
+// the next bytecode.
+int Bytecodes::raw_special_length_at(address bcp) {
+ Code code = code_or_bp_at(bcp);
+ if (code == _breakpoint) {
+ return 1;
+ } else {
+ return special_length_at(bcp);
+ }
+}
+
+
+
+void Bytecodes::def(Code code, const char* name, const char* format, const char* wide_format, BasicType result_type, int depth, bool can_trap) {
+ def(code, name, format, wide_format, result_type, depth, can_trap, code);
+}
+
+
+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) {
+ assert(wide_format == NULL || format != NULL, "short form must exist if there's a wide form");
+ _name [code] = name;
+ _format [code] = format;
+ _wide_format [code] = wide_format;
+ _result_type [code] = result_type;
+ _depth [code] = depth;
+ _can_trap [code] = can_trap;
+ _length [code] = format != NULL ? (u_char)strlen(format) : 0;
+ _java_code [code] = java_code;
+ if (java_code != code) _can_rewrite[java_code] = true;
+}
+
+
+// Format strings interpretation:
+//
+// b: bytecode
+// c: signed constant, Java byte-ordering
+// i: unsigned index , Java byte-ordering
+// j: unsigned index , native byte-ordering
+// o: branch offset , Java byte-ordering
+// _: unused/ignored
+// w: wide bytecode
+//
+// Note: Right now the format strings are used for 2 purposes:
+// 1. to specify the length of the bytecode
+// (= number of characters in format string)
+// 2. to specify the bytecode attributes
+//
+// The bytecode attributes are currently used only for bytecode tracing
+// (see BytecodeTracer); thus if more specific format information is
+// used, one would also have to adjust the bytecode tracer.
+//
+// Note: For bytecodes with variable length, the format string is the empty string.
+
+void Bytecodes::initialize() {
+ if (_is_initialized) return;
+ assert(number_of_codes <= 256, "too many bytecodes");
+
+ // initialize bytecode tables - didn't use static array initializers
+ // (such as {}) so we can do additional consistency checks and init-
+ // code is independent of actual bytecode numbering.
+ //
+ // Note 1: NULL for the format string means the bytecode doesn't exist
+ // in that form.
+ //
+ // Note 2: The result type is T_ILLEGAL for bytecodes where the top of stack
+ // type after execution is not only determined by the bytecode itself.
+
+ // Java bytecodes
+ // bytecode bytecode name format wide f. result tp stk traps
+ def(_nop , "nop" , "b" , NULL , T_VOID , 0, false);
+ def(_aconst_null , "aconst_null" , "b" , NULL , T_OBJECT , 1, false);
+ def(_iconst_m1 , "iconst_m1" , "b" , NULL , T_INT , 1, false);
+ def(_iconst_0 , "iconst_0" , "b" , NULL , T_INT , 1, false);
+ def(_iconst_1 , "iconst_1" , "b" , NULL , T_INT , 1, false);
+ def(_iconst_2 , "iconst_2" , "b" , NULL , T_INT , 1, false);
+ def(_iconst_3 , "iconst_3" , "b" , NULL , T_INT , 1, false);
+ def(_iconst_4 , "iconst_4" , "b" , NULL , T_INT , 1, false);
+ def(_iconst_5 , "iconst_5" , "b" , NULL , T_INT , 1, false);
+ def(_lconst_0 , "lconst_0" , "b" , NULL , T_LONG , 2, false);
+ def(_lconst_1 , "lconst_1" , "b" , NULL , T_LONG , 2, false);
+ def(_fconst_0 , "fconst_0" , "b" , NULL , T_FLOAT , 1, false);
+ def(_fconst_1 , "fconst_1" , "b" , NULL , T_FLOAT , 1, false);
+ def(_fconst_2 , "fconst_2" , "b" , NULL , T_FLOAT , 1, false);
+ def(_dconst_0 , "dconst_0" , "b" , NULL , T_DOUBLE , 2, false);
+ def(_dconst_1 , "dconst_1" , "b" , NULL , T_DOUBLE , 2, false);
+ def(_bipush , "bipush" , "bc" , NULL , T_INT , 1, false);
+ def(_sipush , "sipush" , "bcc" , NULL , T_INT , 1, false);
+ def(_ldc , "ldc" , "bi" , NULL , T_ILLEGAL, 1, true );
+ def(_ldc_w , "ldc_w" , "bii" , NULL , T_ILLEGAL, 1, true );
+ def(_ldc2_w , "ldc2_w" , "bii" , NULL , T_ILLEGAL, 2, true );
+ def(_iload , "iload" , "bi" , "wbii" , T_INT , 1, false);
+ def(_lload , "lload" , "bi" , "wbii" , T_LONG , 2, false);
+ def(_fload , "fload" , "bi" , "wbii" , T_FLOAT , 1, false);
+ def(_dload , "dload" , "bi" , "wbii" , T_DOUBLE , 2, false);
+ def(_aload , "aload" , "bi" , "wbii" , T_OBJECT , 1, false);
+ def(_iload_0 , "iload_0" , "b" , NULL , T_INT , 1, false);
+ def(_iload_1 , "iload_1" , "b" , NULL , T_INT , 1, false);
+ def(_iload_2 , "iload_2" , "b" , NULL , T_INT , 1, false);
+ def(_iload_3 , "iload_3" , "b" , NULL , T_INT , 1, false);
+ def(_lload_0 , "lload_0" , "b" , NULL , T_LONG , 2, false);
+ def(_lload_1 , "lload_1" , "b" , NULL , T_LONG , 2, false);
+ def(_lload_2 , "lload_2" , "b" , NULL , T_LONG , 2, false);
+ def(_lload_3 , "lload_3" , "b" , NULL , T_LONG , 2, false);
+ def(_fload_0 , "fload_0" , "b" , NULL , T_FLOAT , 1, false);
+ def(_fload_1 , "fload_1" , "b" , NULL , T_FLOAT , 1, false);
+ def(_fload_2 , "fload_2" , "b" , NULL , T_FLOAT , 1, false);
+ def(_fload_3 , "fload_3" , "b" , NULL , T_FLOAT , 1, false);
+ def(_dload_0 , "dload_0" , "b" , NULL , T_DOUBLE , 2, false);
+ def(_dload_1 , "dload_1" , "b" , NULL , T_DOUBLE , 2, false);
+ def(_dload_2 , "dload_2" , "b" , NULL , T_DOUBLE , 2, false);
+ def(_dload_3 , "dload_3" , "b" , NULL , T_DOUBLE , 2, false);
+ def(_aload_0 , "aload_0" , "b" , NULL , T_OBJECT , 1, true ); // rewriting in interpreter
+ def(_aload_1 , "aload_1" , "b" , NULL , T_OBJECT , 1, false);
+ def(_aload_2 , "aload_2" , "b" , NULL , T_OBJECT , 1, false);
+ def(_aload_3 , "aload_3" , "b" , NULL , T_OBJECT , 1, false);
+ def(_iaload , "iaload" , "b" , NULL , T_INT , -1, true );
+ def(_laload , "laload" , "b" , NULL , T_LONG , 0, true );
+ def(_faload , "faload" , "b" , NULL , T_FLOAT , -1, true );
+ def(_daload , "daload" , "b" , NULL , T_DOUBLE , 0, true );
+ def(_aaload , "aaload" , "b" , NULL , T_OBJECT , -1, true );
+ def(_baload , "baload" , "b" , NULL , T_INT , -1, true );
+ def(_caload , "caload" , "b" , NULL , T_INT , -1, true );
+ def(_saload , "saload" , "b" , NULL , T_INT , -1, true );
+ def(_istore , "istore" , "bi" , "wbii" , T_VOID , -1, false);
+ def(_lstore , "lstore" , "bi" , "wbii" , T_VOID , -2, false);
+ def(_fstore , "fstore" , "bi" , "wbii" , T_VOID , -1, false);
+ def(_dstore , "dstore" , "bi" , "wbii" , T_VOID , -2, false);
+ def(_astore , "astore" , "bi" , "wbii" , T_VOID , -1, false);
+ def(_istore_0 , "istore_0" , "b" , NULL , T_VOID , -1, false);
+ def(_istore_1 , "istore_1" , "b" , NULL , T_VOID , -1, false);
+ def(_istore_2 , "istore_2" , "b" , NULL , T_VOID , -1, false);
+ def(_istore_3 , "istore_3" , "b" , NULL , T_VOID , -1, false);
+ def(_lstore_0 , "lstore_0" , "b" , NULL , T_VOID , -2, false);
+ def(_lstore_1 , "lstore_1" , "b" , NULL , T_VOID , -2, false);
+ def(_lstore_2 , "lstore_2" , "b" , NULL , T_VOID , -2, false);
+ def(_lstore_3 , "lstore_3" , "b" , NULL , T_VOID , -2, false);
+ def(_fstore_0 , "fstore_0" , "b" , NULL , T_VOID , -1, false);
+ def(_fstore_1 , "fstore_1" , "b" , NULL , T_VOID , -1, false);
+ def(_fstore_2 , "fstore_2" , "b" , NULL , T_VOID , -1, false);
+ def(_fstore_3 , "fstore_3" , "b" , NULL , T_VOID , -1, false);
+ def(_dstore_0 , "dstore_0" , "b" , NULL , T_VOID , -2, false);
+ def(_dstore_1 , "dstore_1" , "b" , NULL , T_VOID , -2, false);
+ def(_dstore_2 , "dstore_2" , "b" , NULL , T_VOID , -2, false);
+ def(_dstore_3 , "dstore_3" , "b" , NULL , T_VOID , -2, false);
+ def(_astore_0 , "astore_0" , "b" , NULL , T_VOID , -1, false);
+ def(_astore_1 , "astore_1" , "b" , NULL , T_VOID , -1, false);
+ def(_astore_2 , "astore_2" , "b" , NULL , T_VOID , -1, false);
+ def(_astore_3 , "astore_3" , "b" , NULL , T_VOID , -1, false);
+ def(_iastore , "iastore" , "b" , NULL , T_VOID , -3, true );
+ def(_lastore , "lastore" , "b" , NULL , T_VOID , -4, true );
+ def(_fastore , "fastore" , "b" , NULL , T_VOID , -3, true );
+ def(_dastore , "dastore" , "b" , NULL , T_VOID , -4, true );
+ def(_aastore , "aastore" , "b" , NULL , T_VOID , -3, true );
+ def(_bastore , "bastore" , "b" , NULL , T_VOID , -3, true );
+ def(_castore , "castore" , "b" , NULL , T_VOID , -3, true );
+ def(_sastore , "sastore" , "b" , NULL , T_VOID , -3, true );
+ def(_pop , "pop" , "b" , NULL , T_VOID , -1, false);
+ def(_pop2 , "pop2" , "b" , NULL , T_VOID , -2, false);
+ def(_dup , "dup" , "b" , NULL , T_VOID , 1, false);
+ def(_dup_x1 , "dup_x1" , "b" , NULL , T_VOID , 1, false);
+ def(_dup_x2 , "dup_x2" , "b" , NULL , T_VOID , 1, false);
+ def(_dup2 , "dup2" , "b" , NULL , T_VOID , 2, false);
+ def(_dup2_x1 , "dup2_x1" , "b" , NULL , T_VOID , 2, false);
+ def(_dup2_x2 , "dup2_x2" , "b" , NULL , T_VOID , 2, false);
+ def(_swap , "swap" , "b" , NULL , T_VOID , 0, false);
+ def(_iadd , "iadd" , "b" , NULL , T_INT , -1, false);
+ def(_ladd , "ladd" , "b" , NULL , T_LONG , -2, false);
+ def(_fadd , "fadd" , "b" , NULL , T_FLOAT , -1, false);
+ def(_dadd , "dadd" , "b" , NULL , T_DOUBLE , -2, false);
+ def(_isub , "isub" , "b" , NULL , T_INT , -1, false);
+ def(_lsub , "lsub" , "b" , NULL , T_LONG , -2, false);
+ def(_fsub , "fsub" , "b" , NULL , T_FLOAT , -1, false);
+ def(_dsub , "dsub" , "b" , NULL , T_DOUBLE , -2, false);
+ def(_imul , "imul" , "b" , NULL , T_INT , -1, false);
+ def(_lmul , "lmul" , "b" , NULL , T_LONG , -2, false);
+ def(_fmul , "fmul" , "b" , NULL , T_FLOAT , -1, false);
+ def(_dmul , "dmul" , "b" , NULL , T_DOUBLE , -2, false);
+ def(_idiv , "idiv" , "b" , NULL , T_INT , -1, true );
+ def(_ldiv , "ldiv" , "b" , NULL , T_LONG , -2, true );
+ def(_fdiv , "fdiv" , "b" , NULL , T_FLOAT , -1, false);
+ def(_ddiv , "ddiv" , "b" , NULL , T_DOUBLE , -2, false);
+ def(_irem , "irem" , "b" , NULL , T_INT , -1, true );
+ def(_lrem , "lrem" , "b" , NULL , T_LONG , -2, true );
+ def(_frem , "frem" , "b" , NULL , T_FLOAT , -1, false);
+ def(_drem , "drem" , "b" , NULL , T_DOUBLE , -2, false);
+ def(_ineg , "ineg" , "b" , NULL , T_INT , 0, false);
+ def(_lneg , "lneg" , "b" , NULL , T_LONG , 0, false);
+ def(_fneg , "fneg" , "b" , NULL , T_FLOAT , 0, false);
+ def(_dneg , "dneg" , "b" , NULL , T_DOUBLE , 0, false);
+ def(_ishl , "ishl" , "b" , NULL , T_INT , -1, false);
+ def(_lshl , "lshl" , "b" , NULL , T_LONG , -1, false);
+ def(_ishr , "ishr" , "b" , NULL , T_INT , -1, false);
+ def(_lshr , "lshr" , "b" , NULL , T_LONG , -1, false);
+ def(_iushr , "iushr" , "b" , NULL , T_INT , -1, false);
+ def(_lushr , "lushr" , "b" , NULL , T_LONG , -1, false);
+ def(_iand , "iand" , "b" , NULL , T_INT , -1, false);
+ def(_land , "land" , "b" , NULL , T_LONG , -2, false);
+ def(_ior , "ior" , "b" , NULL , T_INT , -1, false);
+ def(_lor , "lor" , "b" , NULL , T_LONG , -2, false);
+ def(_ixor , "ixor" , "b" , NULL , T_INT , -1, false);
+ def(_lxor , "lxor" , "b" , NULL , T_LONG , -2, false);
+ def(_iinc , "iinc" , "bic" , "wbiicc", T_VOID , 0, false);
+ def(_i2l , "i2l" , "b" , NULL , T_LONG , 1, false);
+ def(_i2f , "i2f" , "b" , NULL , T_FLOAT , 0, false);
+ def(_i2d , "i2d" , "b" , NULL , T_DOUBLE , 1, false);
+ def(_l2i , "l2i" , "b" , NULL , T_INT , -1, false);
+ def(_l2f , "l2f" , "b" , NULL , T_FLOAT , -1, false);
+ def(_l2d , "l2d" , "b" , NULL , T_DOUBLE , 0, false);
+ def(_f2i , "f2i" , "b" , NULL , T_INT , 0, false);
+ def(_f2l , "f2l" , "b" , NULL , T_LONG , 1, false);
+ def(_f2d , "f2d" , "b" , NULL , T_DOUBLE , 1, false);
+ def(_d2i , "d2i" , "b" , NULL , T_INT , -1, false);
+ def(_d2l , "d2l" , "b" , NULL , T_LONG , 0, false);
+ def(_d2f , "d2f" , "b" , NULL , T_FLOAT , -1, false);
+ def(_i2b , "i2b" , "b" , NULL , T_BYTE , 0, false);
+ def(_i2c , "i2c" , "b" , NULL , T_CHAR , 0, false);
+ def(_i2s , "i2s" , "b" , NULL , T_SHORT , 0, false);
+ def(_lcmp , "lcmp" , "b" , NULL , T_VOID , -3, false);
+ def(_fcmpl , "fcmpl" , "b" , NULL , T_VOID , -1, false);
+ def(_fcmpg , "fcmpg" , "b" , NULL , T_VOID , -1, false);
+ def(_dcmpl , "dcmpl" , "b" , NULL , T_VOID , -3, false);
+ def(_dcmpg , "dcmpg" , "b" , NULL , T_VOID , -3, false);
+ def(_ifeq , "ifeq" , "boo" , NULL , T_VOID , -1, false);
+ def(_ifne , "ifne" , "boo" , NULL , T_VOID , -1, false);
+ def(_iflt , "iflt" , "boo" , NULL , T_VOID , -1, false);
+ def(_ifge , "ifge" , "boo" , NULL , T_VOID , -1, false);
+ def(_ifgt , "ifgt" , "boo" , NULL , T_VOID , -1, false);
+ def(_ifle , "ifle" , "boo" , NULL , T_VOID , -1, false);
+ def(_if_icmpeq , "if_icmpeq" , "boo" , NULL , T_VOID , -2, false);
+ def(_if_icmpne , "if_icmpne" , "boo" , NULL , T_VOID , -2, false);
+ def(_if_icmplt , "if_icmplt" , "boo" , NULL , T_VOID , -2, false);
+ def(_if_icmpge , "if_icmpge" , "boo" , NULL , T_VOID , -2, false);
+ def(_if_icmpgt , "if_icmpgt" , "boo" , NULL , T_VOID , -2, false);
+ def(_if_icmple , "if_icmple" , "boo" , NULL , T_VOID , -2, false);
+ def(_if_acmpeq , "if_acmpeq" , "boo" , NULL , T_VOID , -2, false);
+ def(_if_acmpne , "if_acmpne" , "boo" , NULL , T_VOID , -2, false);
+ def(_goto , "goto" , "boo" , NULL , T_VOID , 0, false);
+ def(_jsr , "jsr" , "boo" , NULL , T_INT , 0, false);
+ def(_ret , "ret" , "bi" , "wbii" , T_VOID , 0, false);
+ def(_tableswitch , "tableswitch" , "" , NULL , T_VOID , -1, false); // may have backward branches
+ def(_lookupswitch , "lookupswitch" , "" , NULL , T_VOID , -1, false); // rewriting in interpreter
+ def(_ireturn , "ireturn" , "b" , NULL , T_INT , -1, true);
+ def(_lreturn , "lreturn" , "b" , NULL , T_LONG , -2, true);
+ def(_freturn , "freturn" , "b" , NULL , T_FLOAT , -1, true);
+ def(_dreturn , "dreturn" , "b" , NULL , T_DOUBLE , -2, true);
+ def(_areturn , "areturn" , "b" , NULL , T_OBJECT , -1, true);
+ def(_return , "return" , "b" , NULL , T_VOID , 0, true);
+ def(_getstatic , "getstatic" , "bjj" , NULL , T_ILLEGAL, 1, true );
+ def(_putstatic , "putstatic" , "bjj" , NULL , T_ILLEGAL, -1, true );
+ def(_getfield , "getfield" , "bjj" , NULL , T_ILLEGAL, 0, true );
+ def(_putfield , "putfield" , "bjj" , NULL , T_ILLEGAL, -2, true );
+ def(_invokevirtual , "invokevirtual" , "bjj" , NULL , T_ILLEGAL, -1, true);
+ def(_invokespecial , "invokespecial" , "bjj" , NULL , T_ILLEGAL, -1, true);
+ def(_invokestatic , "invokestatic" , "bjj" , NULL , T_ILLEGAL, 0, true);
+ def(_invokeinterface , "invokeinterface" , "bjj__", NULL , T_ILLEGAL, -1, true);
+ def(_xxxunusedxxx , "xxxunusedxxx" , NULL , NULL , T_VOID , 0, false);
+ def(_new , "new" , "bii" , NULL , T_OBJECT , 1, true );
+ def(_newarray , "newarray" , "bc" , NULL , T_OBJECT , 0, true );
+ def(_anewarray , "anewarray" , "bii" , NULL , T_OBJECT , 0, true );
+ def(_arraylength , "arraylength" , "b" , NULL , T_VOID , 0, true );
+ def(_athrow , "athrow" , "b" , NULL , T_VOID , -1, true );
+ def(_checkcast , "checkcast" , "bii" , NULL , T_OBJECT , 0, true );
+ def(_instanceof , "instanceof" , "bii" , NULL , T_INT , 0, true );
+ def(_monitorenter , "monitorenter" , "b" , NULL , T_VOID , -1, true );
+ def(_monitorexit , "monitorexit" , "b" , NULL , T_VOID , -1, true );
+ def(_wide , "wide" , "" , NULL , T_VOID , 0, false);
+ def(_multianewarray , "multianewarray" , "biic" , NULL , T_OBJECT , 1, true );
+ def(_ifnull , "ifnull" , "boo" , NULL , T_VOID , -1, false);
+ def(_ifnonnull , "ifnonnull" , "boo" , NULL , T_VOID , -1, false);
+ def(_goto_w , "goto_w" , "boooo", NULL , T_VOID , 0, false);
+ def(_jsr_w , "jsr_w" , "boooo", NULL , T_INT , 0, false);
+ def(_breakpoint , "breakpoint" , "" , NULL , T_VOID , 0, true);
+
+ // JVM bytecodes
+ // bytecode bytecode name format wide f. result tp stk traps std code
+
+ def(_fast_agetfield , "fast_agetfield" , "bjj" , NULL , T_OBJECT , 0, true , _getfield );
+ def(_fast_bgetfield , "fast_bgetfield" , "bjj" , NULL , T_INT , 0, true , _getfield );
+ def(_fast_cgetfield , "fast_cgetfield" , "bjj" , NULL , T_CHAR , 0, true , _getfield );
+ def(_fast_dgetfield , "fast_dgetfield" , "bjj" , NULL , T_DOUBLE , 0, true , _getfield );
+ def(_fast_fgetfield , "fast_fgetfield" , "bjj" , NULL , T_FLOAT , 0, true , _getfield );
+ def(_fast_igetfield , "fast_igetfield" , "bjj" , NULL , T_INT , 0, true , _getfield );
+ def(_fast_lgetfield , "fast_lgetfield" , "bjj" , NULL , T_LONG , 0, true , _getfield );
+ def(_fast_sgetfield , "fast_sgetfield" , "bjj" , NULL , T_SHORT , 0, true , _getfield );
+
+ def(_fast_aputfield , "fast_aputfield" , "bjj" , NULL , T_OBJECT , 0, true , _putfield );
+ def(_fast_bputfield , "fast_bputfield" , "bjj" , NULL , T_INT , 0, true , _putfield );
+ def(_fast_cputfield , "fast_cputfield" , "bjj" , NULL , T_CHAR , 0, true , _putfield );
+ def(_fast_dputfield , "fast_dputfield" , "bjj" , NULL , T_DOUBLE , 0, true , _putfield );
+ def(_fast_fputfield , "fast_fputfield" , "bjj" , NULL , T_FLOAT , 0, true , _putfield );
+ def(_fast_iputfield , "fast_iputfield" , "bjj" , NULL , T_INT , 0, true , _putfield );
+ def(_fast_lputfield , "fast_lputfield" , "bjj" , NULL , T_LONG , 0, true , _putfield );
+ def(_fast_sputfield , "fast_sputfield" , "bjj" , NULL , T_SHORT , 0, true , _putfield );
+
+ def(_fast_aload_0 , "fast_aload_0" , "b" , NULL , T_OBJECT , 1, true , _aload_0 );
+ def(_fast_iaccess_0 , "fast_iaccess_0" , "b_jj" , NULL , T_INT , 1, true , _aload_0 );
+ def(_fast_aaccess_0 , "fast_aaccess_0" , "b_jj" , NULL , T_OBJECT , 1, true , _aload_0 );
+ def(_fast_faccess_0 , "fast_faccess_0" , "b_jj" , NULL , T_OBJECT , 1, true , _aload_0 );
+
+ def(_fast_iload , "fast_iload" , "bi" , NULL , T_INT , 1, false, _iload);
+ def(_fast_iload2 , "fast_iload2" , "bi_i" , NULL , T_INT , 2, false, _iload);
+ def(_fast_icaload , "fast_icaload" , "bi_" , NULL , T_INT , 0, false, _iload);
+
+ // Faster method invocation.
+ def(_fast_invokevfinal , "fast_invokevfinal" , "bjj" , NULL , T_ILLEGAL, -1, true, _invokevirtual );
+
+ def(_fast_linearswitch , "fast_linearswitch" , "" , NULL , T_VOID , -1, false, _lookupswitch );
+ def(_fast_binaryswitch , "fast_binaryswitch" , "" , NULL , T_VOID , -1, false, _lookupswitch );
+
+ def(_return_register_finalizer , "return_register_finalizer" , "b" , NULL , T_VOID , 0, true, _return);
+
+ def(_shouldnotreachhere , "_shouldnotreachhere" , "b" , NULL , T_VOID , 0, false);
+
+ // platform specific JVM bytecodes
+ pd_initialize();
+
+ // compare can_trap information for each bytecode with the
+ // can_trap information for the corresponding base bytecode
+ // (if a rewritten bytecode can trap, so must the base bytecode)
+ #ifdef ASSERT
+ { for (int i = 0; i < number_of_codes; i++) {
+ if (is_defined(i)) {
+ Code code = cast(i);
+ Code java = java_code(code);
+ if (can_trap(code) && !can_trap(java)) fatal2("%s can trap => %s can trap, too", name(code), name(java));
+ }
+ }
+ }
+ #endif
+
+ // initialization successful
+ _is_initialized = true;
+}
+
+
+void bytecodes_init() {
+ Bytecodes::initialize();
+}
+
+// Restore optimization
+#ifdef _M_AMD64
+#pragma optimize ("", on)
+#endif