aoqi@0: /*
aoqi@0:  * Copyright (c) 2002, 2012, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  *
aoqi@0:  */
aoqi@0: 
aoqi@0: #ifndef SHARE_VM_INTERPRETER_BYTECODEINTERPRETER_HPP
aoqi@0: #define SHARE_VM_INTERPRETER_BYTECODEINTERPRETER_HPP
aoqi@0: 
aoqi@0: #include "memory/allocation.hpp"
aoqi@0: #include "oops/methodData.hpp"
aoqi@0: #include "oops/method.hpp"
aoqi@0: #include "runtime/basicLock.hpp"
aoqi@0: #include "runtime/frame.hpp"
aoqi@0: #include "runtime/globals.hpp"
aoqi@0: #include "utilities/globalDefinitions.hpp"
aoqi@0: #ifdef TARGET_ARCH_x86
aoqi@0: # include "bytes_x86.hpp"
aoqi@0: #endif
aoqi@0: #ifdef TARGET_ARCH_sparc
aoqi@0: # include "bytes_sparc.hpp"
aoqi@0: #endif
aoqi@0: #ifdef TARGET_ARCH_zero
aoqi@0: # include "bytes_zero.hpp"
aoqi@0: #endif
aoqi@0: #ifdef TARGET_ARCH_arm
aoqi@0: # include "bytes_arm.hpp"
aoqi@0: #endif
aoqi@0: #ifdef TARGET_ARCH_ppc
aoqi@0: # include "bytes_ppc.hpp"
aoqi@0: #endif
aoqi@0: 
aoqi@0: #ifdef CC_INTERP
aoqi@0: 
aoqi@0: // JavaStack Implementation
aoqi@0: #define MORE_STACK(count)  \
aoqi@0:     (topOfStack -= ((count) * Interpreter::stackElementWords))
aoqi@0: 
aoqi@0: // CVM definitions find hotspot equivalents...
aoqi@0: 
aoqi@0: union VMJavaVal64 {
aoqi@0:     jlong   l;
aoqi@0:     jdouble d;
aoqi@0:     uint32_t      v[2];
aoqi@0: };
aoqi@0: 
aoqi@0: 
aoqi@0: typedef class BytecodeInterpreter* interpreterState;
aoqi@0: 
aoqi@0: struct call_message {
aoqi@0:   class Method* _callee;           // method to call during call_method request
aoqi@0:   address _callee_entry_point;     // address to jump to for call_method request
aoqi@0:   int _bcp_advance;                // size of the invoke bytecode operation
aoqi@0: };
aoqi@0: 
aoqi@0: struct osr_message {
aoqi@0:   address _osr_buf;                 // the osr buffer
aoqi@0:   address _osr_entry;               // the entry to the osr method
aoqi@0: };
aoqi@0: 
aoqi@0: struct osr_result {
aoqi@0:   nmethod* nm;                      // osr nmethod
aoqi@0:   address return_addr;              // osr blob return address
aoqi@0: };
aoqi@0: 
aoqi@0: // Result returned to frame manager
aoqi@0: union frame_manager_message {
aoqi@0:   call_message _to_call;            // describes callee
aoqi@0:   osr_message _osr;                 // describes the osr
aoqi@0:   osr_result _osr_result;           // result of OSR request
aoqi@0: };
aoqi@0: 
aoqi@0: class BytecodeInterpreter : StackObj {
aoqi@0: friend class SharedRuntime;
aoqi@0: friend class AbstractInterpreterGenerator;
aoqi@0: friend class CppInterpreterGenerator;
aoqi@0: friend class InterpreterGenerator;
aoqi@0: friend class InterpreterMacroAssembler;
aoqi@0: friend class frame;
aoqi@0: friend class VMStructs;
aoqi@0: 
aoqi@0: public:
aoqi@0:     enum messages {
aoqi@0:          no_request = 0,            // unused
aoqi@0:          initialize,                // Perform one time interpreter initializations (assumes all switches set)
aoqi@0:          // status message to C++ interpreter
aoqi@0:          method_entry,              // initial method entry to interpreter
aoqi@0:          method_resume,             // frame manager response to return_from_method request (assuming a frame to resume)
aoqi@0:          deopt_resume,              // returning from a native call into a deopted frame
aoqi@0:          deopt_resume2,             // deopt resume as a result of a PopFrame
aoqi@0:          got_monitors,              // frame manager response to more_monitors request
aoqi@0:          rethrow_exception,         // unwinding and throwing exception
aoqi@0:          // requests to frame manager from C++ interpreter
aoqi@0:          call_method,               // request for new frame from interpreter, manager responds with method_entry
aoqi@0:          return_from_method,        // request from interpreter to unwind, manager responds with method_continue
aoqi@0:          more_monitors,             // need a new monitor
aoqi@0:          throwing_exception,        // unwind stack and rethrow
aoqi@0:          popping_frame,             // unwind call and retry call
aoqi@0:          do_osr,                    // request this invocation be OSR's
aoqi@0:          early_return               // early return as commanded by jvmti
aoqi@0:     };
aoqi@0: 
aoqi@0: private:
aoqi@0:     JavaThread*           _thread;        // the vm's java thread pointer
aoqi@0:     address               _bcp;           // instruction pointer
aoqi@0:     intptr_t*             _locals;        // local variable pointer
aoqi@0:     ConstantPoolCache*    _constants;     // constant pool cache
aoqi@0:     Method*               _method;        // method being executed
aoqi@0:     DataLayout*           _mdx;           // compiler profiling data for current bytecode
aoqi@0:     intptr_t*             _stack;         // expression stack
aoqi@0:     messages              _msg;           // frame manager <-> interpreter message
aoqi@0:     frame_manager_message _result;        // result to frame manager
aoqi@0:     interpreterState      _prev_link;     // previous interpreter state
aoqi@0:     oop                   _oop_temp;      // mirror for interpreted native, null otherwise
aoqi@0:     intptr_t*             _stack_base;    // base of expression stack
aoqi@0:     intptr_t*             _stack_limit;   // limit of expression stack
aoqi@0:     BasicObjectLock*      _monitor_base;  // base of monitors on the native stack
aoqi@0: 
aoqi@0: 
aoqi@0: public:
aoqi@0:   // Constructor is only used by the initialization step. All other instances are created
aoqi@0:   // by the frame manager.
aoqi@0:   BytecodeInterpreter(messages msg);
aoqi@0: 
aoqi@0: //
aoqi@0: // Deoptimization support
aoqi@0: //
aoqi@0: static void layout_interpreterState(interpreterState to_fill,
aoqi@0:                                     frame* caller,
aoqi@0:                                     frame* interpreter_frame,
aoqi@0:                                     Method* method,
aoqi@0:                                     intptr_t* locals,
aoqi@0:                                     intptr_t* stack,
aoqi@0:                                     intptr_t* stack_base,
aoqi@0:                                     intptr_t* monitor_base,
aoqi@0:                                     intptr_t* frame_bottom,
aoqi@0:                                     bool top_frame);
aoqi@0: 
aoqi@0: /*
aoqi@0:  * Generic 32-bit wide "Java slot" definition. This type occurs
aoqi@0:  * in operand stacks, Java locals, object fields, constant pools.
aoqi@0:  */
aoqi@0: union VMJavaVal32 {
aoqi@0:     jint     i;
aoqi@0:     jfloat   f;
aoqi@0:     class oopDesc*   r;
aoqi@0:     uint32_t raw;
aoqi@0: };
aoqi@0: 
aoqi@0: /*
aoqi@0:  * Generic 64-bit Java value definition
aoqi@0:  */
aoqi@0: union VMJavaVal64 {
aoqi@0:     jlong   l;
aoqi@0:     jdouble d;
aoqi@0:     uint32_t      v[2];
aoqi@0: };
aoqi@0: 
aoqi@0: /*
aoqi@0:  * Generic 32-bit wide "Java slot" definition. This type occurs
aoqi@0:  * in Java locals, object fields, constant pools, and
aoqi@0:  * operand stacks (as a CVMStackVal32).
aoqi@0:  */
aoqi@0: typedef union VMSlotVal32 {
aoqi@0:     VMJavaVal32    j;     /* For "Java" values */
aoqi@0:     address        a;     /* a return created by jsr or jsr_w */
aoqi@0: } VMSlotVal32;
aoqi@0: 
aoqi@0: 
aoqi@0: /*
aoqi@0:  * Generic 32-bit wide stack slot definition.
aoqi@0:  */
aoqi@0: union VMStackVal32 {
aoqi@0:     VMJavaVal32    j;     /* For "Java" values */
aoqi@0:     VMSlotVal32    s;     /* any value from a "slot" or locals[] */
aoqi@0: };
aoqi@0: 
aoqi@0: inline JavaThread* thread() { return _thread; }
aoqi@0: 
aoqi@0: inline address bcp() { return _bcp; }
aoqi@0: inline void set_bcp(address new_bcp) { _bcp = new_bcp; }
aoqi@0: 
aoqi@0: inline intptr_t* locals() { return _locals; }
aoqi@0: 
aoqi@0: inline ConstantPoolCache* constants() { return _constants; }
aoqi@0: inline Method* method() { return _method; }
aoqi@0: inline DataLayout* mdx() { return _mdx; }
aoqi@0: inline void set_mdx(DataLayout *new_mdx) { _mdx = new_mdx; }
aoqi@0: 
aoqi@0: inline messages msg() { return _msg; }
aoqi@0: inline void set_msg(messages new_msg) { _msg = new_msg; }
aoqi@0: 
aoqi@0: inline Method* callee() { return _result._to_call._callee; }
aoqi@0: inline void set_callee(Method* new_callee) { _result._to_call._callee = new_callee; }
aoqi@0: inline void set_callee_entry_point(address entry) { _result._to_call._callee_entry_point = entry; }
aoqi@0: inline void set_osr_buf(address buf) { _result._osr._osr_buf = buf; }
aoqi@0: inline void set_osr_entry(address entry) { _result._osr._osr_entry = entry; }
aoqi@0: inline int bcp_advance() { return _result._to_call._bcp_advance; }
aoqi@0: inline void set_bcp_advance(int count) { _result._to_call._bcp_advance = count; }
aoqi@0: 
aoqi@0: inline interpreterState prev() { return _prev_link; }
aoqi@0: 
aoqi@0: inline intptr_t* stack() { return _stack; }
aoqi@0: inline void set_stack(intptr_t* new_stack) { _stack = new_stack; }
aoqi@0: 
aoqi@0: 
aoqi@0: inline intptr_t* stack_base() { return _stack_base; }
aoqi@0: inline intptr_t* stack_limit() { return _stack_limit; }
aoqi@0: 
aoqi@0: inline BasicObjectLock* monitor_base() { return _monitor_base; }
aoqi@0: 
aoqi@0: /*
aoqi@0:  * 64-bit Arithmetic:
aoqi@0:  *
aoqi@0:  * The functions below follow the semantics of the
aoqi@0:  * ladd, land, ldiv, lmul, lor, lxor, and lrem bytecodes,
aoqi@0:  * respectively.
aoqi@0:  */
aoqi@0: 
aoqi@0: static jlong VMlongAdd(jlong op1, jlong op2);
aoqi@0: static jlong VMlongAnd(jlong op1, jlong op2);
aoqi@0: static jlong VMlongDiv(jlong op1, jlong op2);
aoqi@0: static jlong VMlongMul(jlong op1, jlong op2);
aoqi@0: static jlong VMlongOr (jlong op1, jlong op2);
aoqi@0: static jlong VMlongSub(jlong op1, jlong op2);
aoqi@0: static jlong VMlongXor(jlong op1, jlong op2);
aoqi@0: static jlong VMlongRem(jlong op1, jlong op2);
aoqi@0: 
aoqi@0: /*
aoqi@0:  * Shift:
aoqi@0:  *
aoqi@0:  * The functions below follow the semantics of the
aoqi@0:  * lushr, lshl, and lshr bytecodes, respectively.
aoqi@0:  */
aoqi@0: 
aoqi@0: static jlong VMlongUshr(jlong op1, jint op2);
aoqi@0: static jlong VMlongShl (jlong op1, jint op2);
aoqi@0: static jlong VMlongShr (jlong op1, jint op2);
aoqi@0: 
aoqi@0: /*
aoqi@0:  * Unary:
aoqi@0:  *
aoqi@0:  * Return the negation of "op" (-op), according to
aoqi@0:  * the semantics of the lneg bytecode.
aoqi@0:  */
aoqi@0: 
aoqi@0: static jlong VMlongNeg(jlong op);
aoqi@0: 
aoqi@0: /*
aoqi@0:  * Return the complement of "op" (~op)
aoqi@0:  */
aoqi@0: 
aoqi@0: static jlong VMlongNot(jlong op);
aoqi@0: 
aoqi@0: 
aoqi@0: /*
aoqi@0:  * Comparisons to 0:
aoqi@0:  */
aoqi@0: 
aoqi@0: static int32_t VMlongLtz(jlong op);     /* op <= 0 */
aoqi@0: static int32_t VMlongGez(jlong op);     /* op >= 0 */
aoqi@0: static int32_t VMlongEqz(jlong op);     /* op == 0 */
aoqi@0: 
aoqi@0: /*
aoqi@0:  * Between operands:
aoqi@0:  */
aoqi@0: 
aoqi@0: static int32_t VMlongEq(jlong op1, jlong op2);    /* op1 == op2 */
aoqi@0: static int32_t VMlongNe(jlong op1, jlong op2);    /* op1 != op2 */
aoqi@0: static int32_t VMlongGe(jlong op1, jlong op2);    /* op1 >= op2 */
aoqi@0: static int32_t VMlongLe(jlong op1, jlong op2);    /* op1 <= op2 */
aoqi@0: static int32_t VMlongLt(jlong op1, jlong op2);    /* op1 <  op2 */
aoqi@0: static int32_t VMlongGt(jlong op1, jlong op2);    /* op1 >  op2 */
aoqi@0: 
aoqi@0: /*
aoqi@0:  * Comparisons (returning an jint value: 0, 1, or -1)
aoqi@0:  *
aoqi@0:  * Between operands:
aoqi@0:  *
aoqi@0:  * Compare "op1" and "op2" according to the semantics of the
aoqi@0:  * "lcmp" bytecode.
aoqi@0:  */
aoqi@0: 
aoqi@0: static int32_t VMlongCompare(jlong op1, jlong op2);
aoqi@0: 
aoqi@0: /*
aoqi@0:  * Convert int to long, according to "i2l" bytecode semantics
aoqi@0:  */
aoqi@0: static jlong VMint2Long(jint val);
aoqi@0: 
aoqi@0: /*
aoqi@0:  * Convert long to int, according to "l2i" bytecode semantics
aoqi@0:  */
aoqi@0: static jint VMlong2Int(jlong val);
aoqi@0: 
aoqi@0: /*
aoqi@0:  * Convert long to float, according to "l2f" bytecode semantics
aoqi@0:  */
aoqi@0: static jfloat VMlong2Float(jlong val);
aoqi@0: 
aoqi@0: /*
aoqi@0:  * Convert long to double, according to "l2d" bytecode semantics
aoqi@0:  */
aoqi@0: static jdouble VMlong2Double(jlong val);
aoqi@0: 
aoqi@0: /*
aoqi@0:  * Java floating-point float value manipulation.
aoqi@0:  *
aoqi@0:  * The result argument is, once again, an lvalue.
aoqi@0:  *
aoqi@0:  * Arithmetic:
aoqi@0:  *
aoqi@0:  * The functions below follow the semantics of the
aoqi@0:  * fadd, fsub, fmul, fdiv, and frem bytecodes,
aoqi@0:  * respectively.
aoqi@0:  */
aoqi@0: 
aoqi@0: static jfloat VMfloatAdd(jfloat op1, jfloat op2);
aoqi@0: static jfloat VMfloatSub(jfloat op1, jfloat op2);
aoqi@0: static jfloat VMfloatMul(jfloat op1, jfloat op2);
aoqi@0: static jfloat VMfloatDiv(jfloat op1, jfloat op2);
aoqi@0: static jfloat VMfloatRem(jfloat op1, jfloat op2);
aoqi@0: 
aoqi@0: /*
aoqi@0:  * Unary:
aoqi@0:  *
aoqi@0:  * Return the negation of "op" (-op), according to
aoqi@0:  * the semantics of the fneg bytecode.
aoqi@0:  */
aoqi@0: 
aoqi@0: static jfloat VMfloatNeg(jfloat op);
aoqi@0: 
aoqi@0: /*
aoqi@0:  * Comparisons (returning an int value: 0, 1, or -1)
aoqi@0:  *
aoqi@0:  * Between operands:
aoqi@0:  *
aoqi@0:  * Compare "op1" and "op2" according to the semantics of the
aoqi@0:  * "fcmpl" (direction is -1) or "fcmpg" (direction is 1) bytecodes.
aoqi@0:  */
aoqi@0: 
aoqi@0: static int32_t VMfloatCompare(jfloat op1, jfloat op2,
aoqi@0:                               int32_t direction);
aoqi@0: /*
aoqi@0:  * Conversion:
aoqi@0:  */
aoqi@0: 
aoqi@0: /*
aoqi@0:  * Convert float to double, according to "f2d" bytecode semantics
aoqi@0:  */
aoqi@0: 
aoqi@0: static jdouble VMfloat2Double(jfloat op);
aoqi@0: 
aoqi@0: /*
aoqi@0:  ******************************************
aoqi@0:  * Java double floating-point manipulation.
aoqi@0:  ******************************************
aoqi@0:  *
aoqi@0:  * The result argument is, once again, an lvalue.
aoqi@0:  *
aoqi@0:  * Conversions:
aoqi@0:  */
aoqi@0: 
aoqi@0: /*
aoqi@0:  * Convert double to int, according to "d2i" bytecode semantics
aoqi@0:  */
aoqi@0: 
aoqi@0: static jint VMdouble2Int(jdouble val);
aoqi@0: 
aoqi@0: /*
aoqi@0:  * Convert double to float, according to "d2f" bytecode semantics
aoqi@0:  */
aoqi@0: 
aoqi@0: static jfloat VMdouble2Float(jdouble val);
aoqi@0: 
aoqi@0: /*
aoqi@0:  * Convert int to double, according to "i2d" bytecode semantics
aoqi@0:  */
aoqi@0: 
aoqi@0: static jdouble VMint2Double(jint val);
aoqi@0: 
aoqi@0: /*
aoqi@0:  * Arithmetic:
aoqi@0:  *
aoqi@0:  * The functions below follow the semantics of the
aoqi@0:  * dadd, dsub, ddiv, dmul, and drem bytecodes, respectively.
aoqi@0:  */
aoqi@0: 
aoqi@0: static jdouble VMdoubleAdd(jdouble op1, jdouble op2);
aoqi@0: static jdouble VMdoubleSub(jdouble op1, jdouble op2);
aoqi@0: static jdouble VMdoubleDiv(jdouble op1, jdouble op2);
aoqi@0: static jdouble VMdoubleMul(jdouble op1, jdouble op2);
aoqi@0: static jdouble VMdoubleRem(jdouble op1, jdouble op2);
aoqi@0: 
aoqi@0: /*
aoqi@0:  * Unary:
aoqi@0:  *
aoqi@0:  * Return the negation of "op" (-op), according to
aoqi@0:  * the semantics of the dneg bytecode.
aoqi@0:  */
aoqi@0: 
aoqi@0: static jdouble VMdoubleNeg(jdouble op);
aoqi@0: 
aoqi@0: /*
aoqi@0:  * Comparisons (returning an int32_t value: 0, 1, or -1)
aoqi@0:  *
aoqi@0:  * Between operands:
aoqi@0:  *
aoqi@0:  * Compare "op1" and "op2" according to the semantics of the
aoqi@0:  * "dcmpl" (direction is -1) or "dcmpg" (direction is 1) bytecodes.
aoqi@0:  */
aoqi@0: 
aoqi@0: static int32_t VMdoubleCompare(jdouble op1, jdouble op2, int32_t direction);
aoqi@0: 
aoqi@0: /*
aoqi@0:  * Copy two typeless 32-bit words from one location to another.
aoqi@0:  * This is semantically equivalent to:
aoqi@0:  *
aoqi@0:  * to[0] = from[0];
aoqi@0:  * to[1] = from[1];
aoqi@0:  *
aoqi@0:  * but this interface is provided for those platforms that could
aoqi@0:  * optimize this into a single 64-bit transfer.
aoqi@0:  */
aoqi@0: 
aoqi@0: static void VMmemCopy64(uint32_t to[2], const uint32_t from[2]);
aoqi@0: 
aoqi@0: 
aoqi@0: // Arithmetic operations
aoqi@0: 
aoqi@0: /*
aoqi@0:  * Java arithmetic methods.
aoqi@0:  * The functions below follow the semantics of the
aoqi@0:  * iadd, isub, imul, idiv, irem, iand, ior, ixor,
aoqi@0:  * and ineg bytecodes, respectively.
aoqi@0:  */
aoqi@0: 
aoqi@0: static jint VMintAdd(jint op1, jint op2);
aoqi@0: static jint VMintSub(jint op1, jint op2);
aoqi@0: static jint VMintMul(jint op1, jint op2);
aoqi@0: static jint VMintDiv(jint op1, jint op2);
aoqi@0: static jint VMintRem(jint op1, jint op2);
aoqi@0: static jint VMintAnd(jint op1, jint op2);
aoqi@0: static jint VMintOr (jint op1, jint op2);
aoqi@0: static jint VMintXor(jint op1, jint op2);
aoqi@0: 
aoqi@0: /*
aoqi@0:  * Shift Operation:
aoqi@0:  * The functions below follow the semantics of the
aoqi@0:  * iushr, ishl, and ishr bytecodes, respectively.
aoqi@0:  */
aoqi@0: 
aoqi@0: static juint VMintUshr(jint op, jint num);
aoqi@0: static jint VMintShl (jint op, jint num);
aoqi@0: static jint VMintShr (jint op, jint num);
aoqi@0: 
aoqi@0: /*
aoqi@0:  * Unary Operation:
aoqi@0:  *
aoqi@0:  * Return the negation of "op" (-op), according to
aoqi@0:  * the semantics of the ineg bytecode.
aoqi@0:  */
aoqi@0: 
aoqi@0: static jint VMintNeg(jint op);
aoqi@0: 
aoqi@0: /*
aoqi@0:  * Int Conversions:
aoqi@0:  */
aoqi@0: 
aoqi@0: /*
aoqi@0:  * Convert int to float, according to "i2f" bytecode semantics
aoqi@0:  */
aoqi@0: 
aoqi@0: static jfloat VMint2Float(jint val);
aoqi@0: 
aoqi@0: /*
aoqi@0:  * Convert int to byte, according to "i2b" bytecode semantics
aoqi@0:  */
aoqi@0: 
aoqi@0: static jbyte VMint2Byte(jint val);
aoqi@0: 
aoqi@0: /*
aoqi@0:  * Convert int to char, according to "i2c" bytecode semantics
aoqi@0:  */
aoqi@0: 
aoqi@0: static jchar VMint2Char(jint val);
aoqi@0: 
aoqi@0: /*
aoqi@0:  * Convert int to short, according to "i2s" bytecode semantics
aoqi@0:  */
aoqi@0: 
aoqi@0: static jshort VMint2Short(jint val);
aoqi@0: 
aoqi@0: /*=========================================================================
aoqi@0:  * Bytecode interpreter operations
aoqi@0:  *=======================================================================*/
aoqi@0: 
aoqi@0: static void dup(intptr_t *tos);
aoqi@0: static void dup2(intptr_t *tos);
aoqi@0: static void dup_x1(intptr_t *tos);    /* insert top word two down */
aoqi@0: static void dup_x2(intptr_t *tos);    /* insert top word three down  */
aoqi@0: static void dup2_x1(intptr_t *tos);   /* insert top 2 slots three down */
aoqi@0: static void dup2_x2(intptr_t *tos);   /* insert top 2 slots four down */
aoqi@0: static void swap(intptr_t *tos);      /* swap top two elements */
aoqi@0: 
aoqi@0: // umm don't like this method modifies its object
aoqi@0: 
aoqi@0: // The Interpreter used when
aoqi@0: static void run(interpreterState istate);
aoqi@0: // The interpreter used if JVMTI needs interpreter events
aoqi@0: static void runWithChecks(interpreterState istate);
aoqi@0: static void End_Of_Interpreter(void);
aoqi@0: 
aoqi@0: // Inline static functions for Java Stack and Local manipulation
aoqi@0: 
aoqi@0: static address stack_slot(intptr_t *tos, int offset);
aoqi@0: static jint stack_int(intptr_t *tos, int offset);
aoqi@0: static jfloat stack_float(intptr_t *tos, int offset);
aoqi@0: static oop stack_object(intptr_t *tos, int offset);
aoqi@0: static jdouble stack_double(intptr_t *tos, int offset);
aoqi@0: static jlong stack_long(intptr_t *tos, int offset);
aoqi@0: 
aoqi@0: // only used for value types
aoqi@0: static void set_stack_slot(intptr_t *tos, address value, int offset);
aoqi@0: static void set_stack_int(intptr_t *tos, int value, int offset);
aoqi@0: static void set_stack_float(intptr_t *tos, jfloat value, int offset);
aoqi@0: static void set_stack_object(intptr_t *tos, oop value, int offset);
aoqi@0: 
aoqi@0: // needs to be platform dep for the 32 bit platforms.
aoqi@0: static void set_stack_double(intptr_t *tos, jdouble value, int offset);
aoqi@0: static void set_stack_long(intptr_t *tos, jlong value, int offset);
aoqi@0: 
aoqi@0: static void set_stack_double_from_addr(intptr_t *tos, address addr, int offset);
aoqi@0: static void set_stack_long_from_addr(intptr_t *tos, address addr, int offset);
aoqi@0: 
aoqi@0: // Locals
aoqi@0: 
aoqi@0: static address locals_slot(intptr_t* locals, int offset);
aoqi@0: static jint locals_int(intptr_t* locals, int offset);
aoqi@0: static jfloat locals_float(intptr_t* locals, int offset);
aoqi@0: static oop locals_object(intptr_t* locals, int offset);
aoqi@0: static jdouble locals_double(intptr_t* locals, int offset);
aoqi@0: static jlong locals_long(intptr_t* locals, int offset);
aoqi@0: 
aoqi@0: static address locals_long_at(intptr_t* locals, int offset);
aoqi@0: static address locals_double_at(intptr_t* locals, int offset);
aoqi@0: 
aoqi@0: static void set_locals_slot(intptr_t *locals, address value, int offset);
aoqi@0: static void set_locals_int(intptr_t *locals, jint value, int offset);
aoqi@0: static void set_locals_float(intptr_t *locals, jfloat value, int offset);
aoqi@0: static void set_locals_object(intptr_t *locals, oop value, int offset);
aoqi@0: static void set_locals_double(intptr_t *locals, jdouble value, int offset);
aoqi@0: static void set_locals_long(intptr_t *locals, jlong value, int offset);
aoqi@0: static void set_locals_double_from_addr(intptr_t *locals,
aoqi@0:                                    address addr, int offset);
aoqi@0: static void set_locals_long_from_addr(intptr_t *locals,
aoqi@0:                                    address addr, int offset);
aoqi@0: 
aoqi@0: static void astore(intptr_t* topOfStack, int stack_offset,
aoqi@0:                    intptr_t* locals,     int locals_offset);
aoqi@0: 
aoqi@0: // Support for dup and swap
aoqi@0: static void copy_stack_slot(intptr_t *tos, int from_offset, int to_offset);
aoqi@0: 
aoqi@0: #ifndef PRODUCT
aoqi@0: static const char* C_msg(BytecodeInterpreter::messages msg);
aoqi@0: void print();
aoqi@0: #endif // PRODUCT
aoqi@0: 
aoqi@0:     // Platform fields/methods
aoqi@0: #ifdef TARGET_ARCH_x86
aoqi@0: # include "bytecodeInterpreter_x86.hpp"
aoqi@0: #endif
aoqi@0: #ifdef TARGET_ARCH_sparc
aoqi@0: # include "bytecodeInterpreter_sparc.hpp"
aoqi@0: #endif
aoqi@0: #ifdef TARGET_ARCH_zero
aoqi@0: # include "bytecodeInterpreter_zero.hpp"
aoqi@0: #endif
aoqi@0: #ifdef TARGET_ARCH_arm
aoqi@0: # include "bytecodeInterpreter_arm.hpp"
aoqi@0: #endif
aoqi@0: #ifdef TARGET_ARCH_ppc
aoqi@0: # include "bytecodeInterpreter_ppc.hpp"
aoqi@0: #endif
aoqi@0: 
aoqi@0: 
aoqi@0: }; // BytecodeInterpreter
aoqi@0: 
aoqi@0: #endif // CC_INTERP
aoqi@0: 
aoqi@0: #endif // SHARE_VM_INTERPRETER_BYTECODEINTERPRETER_HPP