jdk8-mips64-public/hotspot: src/share/vm/interpreter/bytecodeInterpreter.hpp@e863062e521d (annotated)

src/share/vm/interpreter/bytecodeInterpreter.hpp@e863062e521d (annotated)

src/share/vm/interpreter/bytecodeInterpreter.hpp

Mon, 04 Apr 2011 03:02:00 -0700

author: twisti
date: Mon, 04 Apr 2011 03:02:00 -0700
changeset 2729: e863062e521d
parent 2508: b92c45f2bc75
child 2708: 1d1603768966
permissions: -rw-r--r--

7032458: Zero and Shark fixes
Reviewed-by: twisti
Contributed-by: Gary Benson <gbenson@redhat.com>

 /*
  * Copyright (c) 2002, 2010, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  *
  */
 #ifndef SHARE_VM_INTERPRETER_BYTECODEINTERPRETER_HPP
 #define SHARE_VM_INTERPRETER_BYTECODEINTERPRETER_HPP
 #include "memory/allocation.hpp"
 #include "oops/methodDataOop.hpp"
 #include "oops/methodOop.hpp"
 #include "runtime/basicLock.hpp"
 #include "runtime/frame.hpp"
 #include "runtime/globals.hpp"
 #include "utilities/globalDefinitions.hpp"
 #ifdef TARGET_ARCH_x86
 # include "bytes_x86.hpp"
 #endif
 #ifdef TARGET_ARCH_sparc
 # include "bytes_sparc.hpp"
 #endif
 #ifdef TARGET_ARCH_zero
 # include "bytes_zero.hpp"
 #endif
 #ifdef TARGET_ARCH_arm
 # include "bytes_arm.hpp"
 #endif
 #ifdef TARGET_ARCH_ppc
 # include "bytes_ppc.hpp"
 #endif
 #ifdef CC_INTERP
 // CVM definitions find hotspot equivalents...
 union VMJavaVal64 {
     jlong   l;
     jdouble d;
     uint32_t      v[2];
 };
 typedef class BytecodeInterpreter* interpreterState;
 struct call_message {
     class methodOopDesc* _callee;    /* method to call during call_method request */
     address   _callee_entry_point;   /* address to jump to for call_method request */
     int       _bcp_advance;          /* size of the invoke bytecode operation */
 };
 struct osr_message {
     address _osr_buf;                 /* the osr buffer */
     address _osr_entry;               /* the entry to the osr method */
 };
 struct osr_result {
   nmethod* nm;                       /* osr nmethod */
   address return_addr;               /* osr blob return address */
 };
 // Result returned to frame manager
 union frame_manager_message {
     call_message _to_call;            /* describes callee */
     Bytecodes::Code _return_kind;     /* i_return, a_return, ... */
     osr_message _osr;                 /* describes the osr */
     osr_result _osr_result;           /* result of OSR request */
 };
 class BytecodeInterpreter : StackObj {
 friend class SharedRuntime;
 friend class AbstractInterpreterGenerator;
 friend class CppInterpreterGenerator;
 friend class InterpreterGenerator;
 friend class InterpreterMacroAssembler;
 friend class frame;
 friend class VMStructs;
 public:
     enum messages {
          no_request = 0,            // unused
          initialize,                // Perform one time interpreter initializations (assumes all switches set)
          // status message to C++ interpreter
          method_entry,              // initial method entry to interpreter
          method_resume,             // frame manager response to return_from_method request (assuming a frame to resume)
          deopt_resume,              // returning from a native call into a deopted frame
          deopt_resume2,             // deopt resume as a result of a PopFrame
          got_monitors,              // frame manager response to more_monitors request
          rethrow_exception,         // unwinding and throwing exception
          // requests to frame manager from C++ interpreter
          call_method,               // request for new frame from interpreter, manager responds with method_entry
          return_from_method,        // request from interpreter to unwind, manager responds with method_continue
          more_monitors,             // need a new monitor
          throwing_exception,        // unwind stack and rethrow
          popping_frame,             // unwind call and retry call
          do_osr                     // request this invocation be OSR's
     };
 private:
     JavaThread*           _thread;        // the vm's java thread pointer
     address               _bcp;           // instruction pointer
     intptr_t*             _locals;        // local variable pointer
     constantPoolCacheOop  _constants;     // constant pool cache
     methodOop             _method;        // method being executed
     DataLayout*           _mdx;           // compiler profiling data for current bytecode
     intptr_t*             _stack;         // expression stack
     messages              _msg;           // frame manager <-> interpreter message
     frame_manager_message _result;        // result to frame manager
     interpreterState      _prev_link;     // previous interpreter state
     oop                   _oop_temp;      // mirror for interpreted native, null otherwise
     intptr_t*             _stack_base;    // base of expression stack
     intptr_t*             _stack_limit;   // limit of expression stack
     BasicObjectLock*      _monitor_base;  // base of monitors on the native stack
 public:
   // Constructor is only used by the initialization step. All other instances are created
   // by the frame manager.
   BytecodeInterpreter(messages msg);
 //
 // Deoptimization support
 //
 static void layout_interpreterState(interpreterState to_fill,
                                     frame* caller,
                                     frame* interpreter_frame,
                                     methodOop method,
                                     intptr_t* locals,
                                     intptr_t* stack,
                                     intptr_t* stack_base,
                                     intptr_t* monitor_base,
                                     intptr_t* frame_bottom,
                                     bool top_frame);
 /*
  * Generic 32-bit wide "Java slot" definition. This type occurs
  * in operand stacks, Java locals, object fields, constant pools.
  */
 union VMJavaVal32 {
     jint     i;
     jfloat   f;
     class oopDesc*   r;
     uint32_t raw;
 };
 /*
  * Generic 64-bit Java value definition
  */
 union VMJavaVal64 {
     jlong   l;
     jdouble d;
     uint32_t      v[2];
 };
 /*
  * Generic 32-bit wide "Java slot" definition. This type occurs
  * in Java locals, object fields, constant pools, and
  * operand stacks (as a CVMStackVal32).
  */
 typedef union VMSlotVal32 {
     VMJavaVal32    j;     /* For "Java" values */
     address        a;     /* a return created by jsr or jsr_w */
 } VMSlotVal32;
 /*
  * Generic 32-bit wide stack slot definition.
  */
 union VMStackVal32 {
     VMJavaVal32    j;     /* For "Java" values */
     VMSlotVal32    s;     /* any value from a "slot" or locals[] */
 };
 inline JavaThread* thread() { return _thread; }
 inline address bcp() { return _bcp; }
 inline void set_bcp(address new_bcp) { _bcp = new_bcp; }
 inline intptr_t* locals() { return _locals; }
 inline constantPoolCacheOop constants() { return _constants; }
 inline methodOop method() { return _method; }
 inline DataLayout* mdx() { return _mdx; }
 inline void set_mdx(DataLayout *new_mdx) { _mdx = new_mdx; }
 inline messages msg() { return _msg; }
 inline void set_msg(messages new_msg) { _msg = new_msg; }
 inline methodOop callee() { return _result._to_call._callee; }
 inline void set_callee(methodOop new_callee) { _result._to_call._callee = new_callee; }
 inline void set_callee_entry_point(address entry) { _result._to_call._callee_entry_point = entry; }
 inline void set_osr_buf(address buf) { _result._osr._osr_buf = buf; }
 inline void set_osr_entry(address entry) { _result._osr._osr_entry = entry; }
 inline int bcp_advance() { return _result._to_call._bcp_advance; }
 inline void set_bcp_advance(int count) { _result._to_call._bcp_advance = count; }
 inline void set_return_kind(Bytecodes::Code kind) { _result._return_kind = kind; }
 inline interpreterState prev() { return _prev_link; }
 inline intptr_t* stack() { return _stack; }
 inline void set_stack(intptr_t* new_stack) { _stack = new_stack; }
 inline intptr_t* stack_base() { return _stack_base; }
 inline intptr_t* stack_limit() { return _stack_limit; }
 inline BasicObjectLock* monitor_base() { return _monitor_base; }
 /*
  * 64-bit Arithmetic:
  *
  * The functions below follow the semantics of the
  * ladd, land, ldiv, lmul, lor, lxor, and lrem bytecodes,
  * respectively.
  */
 static jlong VMlongAdd(jlong op1, jlong op2);
 static jlong VMlongAnd(jlong op1, jlong op2);
 static jlong VMlongDiv(jlong op1, jlong op2);
 static jlong VMlongMul(jlong op1, jlong op2);
 static jlong VMlongOr (jlong op1, jlong op2);
 static jlong VMlongSub(jlong op1, jlong op2);
 static jlong VMlongXor(jlong op1, jlong op2);
 static jlong VMlongRem(jlong op1, jlong op2);
 /*
  * Shift:
  *
  * The functions below follow the semantics of the
  * lushr, lshl, and lshr bytecodes, respectively.
  */
 static jlong VMlongUshr(jlong op1, jint op2);
 static jlong VMlongShl (jlong op1, jint op2);
 static jlong VMlongShr (jlong op1, jint op2);
 /*
  * Unary:
  *
  * Return the negation of "op" (-op), according to
  * the semantics of the lneg bytecode.
  */
 static jlong VMlongNeg(jlong op);
 /*
  * Return the complement of "op" (~op)
  */
 static jlong VMlongNot(jlong op);
 /*
  * Comparisons to 0:
  */
 static int32_t VMlongLtz(jlong op);     /* op <= 0 */
 static int32_t VMlongGez(jlong op);     /* op >= 0 */
 static int32_t VMlongEqz(jlong op);     /* op == 0 */
 /*
  * Between operands:
  */
 static int32_t VMlongEq(jlong op1, jlong op2);    /* op1 == op2 */
 static int32_t VMlongNe(jlong op1, jlong op2);    /* op1 != op2 */
 static int32_t VMlongGe(jlong op1, jlong op2);    /* op1 >= op2 */
 static int32_t VMlongLe(jlong op1, jlong op2);    /* op1 <= op2 */
 static int32_t VMlongLt(jlong op1, jlong op2);    /* op1 <  op2 */
 static int32_t VMlongGt(jlong op1, jlong op2);    /* op1 >  op2 */
 /*
  * Comparisons (returning an jint value: 0, 1, or -1)
  *
  * Between operands:
  *
  * Compare "op1" and "op2" according to the semantics of the
  * "lcmp" bytecode.
  */
 static int32_t VMlongCompare(jlong op1, jlong op2);
 /*
  * Convert int to long, according to "i2l" bytecode semantics
  */
 static jlong VMint2Long(jint val);
 /*
  * Convert long to int, according to "l2i" bytecode semantics
  */
 static jint VMlong2Int(jlong val);
 /*
  * Convert long to float, according to "l2f" bytecode semantics
  */
 static jfloat VMlong2Float(jlong val);
 /*
  * Convert long to double, according to "l2d" bytecode semantics
  */
 static jdouble VMlong2Double(jlong val);
 /*
  * Java floating-point float value manipulation.
  *
  * The result argument is, once again, an lvalue.
  *
  * Arithmetic:
  *
  * The functions below follow the semantics of the
  * fadd, fsub, fmul, fdiv, and frem bytecodes,
  * respectively.
  */
 static jfloat VMfloatAdd(jfloat op1, jfloat op2);
 static jfloat VMfloatSub(jfloat op1, jfloat op2);
 static jfloat VMfloatMul(jfloat op1, jfloat op2);
 static jfloat VMfloatDiv(jfloat op1, jfloat op2);
 static jfloat VMfloatRem(jfloat op1, jfloat op2);
 /*
  * Unary:
  *
  * Return the negation of "op" (-op), according to
  * the semantics of the fneg bytecode.
  */
 static jfloat VMfloatNeg(jfloat op);
 /*
  * Comparisons (returning an int value: 0, 1, or -1)
  *
  * Between operands:
  *
  * Compare "op1" and "op2" according to the semantics of the
  * "fcmpl" (direction is -1) or "fcmpg" (direction is 1) bytecodes.
  */
 static int32_t VMfloatCompare(jfloat op1, jfloat op2,
                               int32_t direction);
 /*
  * Conversion:
  */
 /*
  * Convert float to double, according to "f2d" bytecode semantics
  */
 static jdouble VMfloat2Double(jfloat op);
 /*
  ******************************************
  * Java double floating-point manipulation.
  ******************************************
  *
  * The result argument is, once again, an lvalue.
  *
  * Conversions:
  */
 /*
  * Convert double to int, according to "d2i" bytecode semantics
  */
 static jint VMdouble2Int(jdouble val);
 /*
  * Convert double to float, according to "d2f" bytecode semantics
  */
 static jfloat VMdouble2Float(jdouble val);
 /*
  * Convert int to double, according to "i2d" bytecode semantics
  */
 static jdouble VMint2Double(jint val);
 /*
  * Arithmetic:
  *
  * The functions below follow the semantics of the
  * dadd, dsub, ddiv, dmul, and drem bytecodes, respectively.
  */
 static jdouble VMdoubleAdd(jdouble op1, jdouble op2);
 static jdouble VMdoubleSub(jdouble op1, jdouble op2);
 static jdouble VMdoubleDiv(jdouble op1, jdouble op2);
 static jdouble VMdoubleMul(jdouble op1, jdouble op2);
 static jdouble VMdoubleRem(jdouble op1, jdouble op2);
 /*
  * Unary:
  *
  * Return the negation of "op" (-op), according to
  * the semantics of the dneg bytecode.
  */
 static jdouble VMdoubleNeg(jdouble op);
 /*
  * Comparisons (returning an int32_t value: 0, 1, or -1)
  *
  * Between operands:
  *
  * Compare "op1" and "op2" according to the semantics of the
  * "dcmpl" (direction is -1) or "dcmpg" (direction is 1) bytecodes.
  */
 static int32_t VMdoubleCompare(jdouble op1, jdouble op2, int32_t direction);
 /*
  * Copy two typeless 32-bit words from one location to another.
  * This is semantically equivalent to:
  *
  * to[0] = from[0];
  * to[1] = from[1];
  *
  * but this interface is provided for those platforms that could
  * optimize this into a single 64-bit transfer.
  */
 static void VMmemCopy64(uint32_t to[2], const uint32_t from[2]);
 // Arithmetic operations
 /*
  * Java arithmetic methods.
  * The functions below follow the semantics of the
  * iadd, isub, imul, idiv, irem, iand, ior, ixor,
  * and ineg bytecodes, respectively.
  */
 static jint VMintAdd(jint op1, jint op2);
 static jint VMintSub(jint op1, jint op2);
 static jint VMintMul(jint op1, jint op2);
 static jint VMintDiv(jint op1, jint op2);
 static jint VMintRem(jint op1, jint op2);
 static jint VMintAnd(jint op1, jint op2);
 static jint VMintOr (jint op1, jint op2);
 static jint VMintXor(jint op1, jint op2);
 /*
  * Shift Operation:
  * The functions below follow the semantics of the
  * iushr, ishl, and ishr bytecodes, respectively.
  */
 static juint VMintUshr(jint op, jint num);
 static jint VMintShl (jint op, jint num);
 static jint VMintShr (jint op, jint num);
 /*
  * Unary Operation:
  *
  * Return the negation of "op" (-op), according to
  * the semantics of the ineg bytecode.
  */
 static jint VMintNeg(jint op);
 /*
  * Int Conversions:
  */
 /*
  * Convert int to float, according to "i2f" bytecode semantics
  */
 static jfloat VMint2Float(jint val);
 /*
  * Convert int to byte, according to "i2b" bytecode semantics
  */
 static jbyte VMint2Byte(jint val);
 /*
  * Convert int to char, according to "i2c" bytecode semantics
  */
 static jchar VMint2Char(jint val);
 /*
  * Convert int to short, according to "i2s" bytecode semantics
  */
 static jshort VMint2Short(jint val);
 /*=========================================================================
  * Bytecode interpreter operations
  *=======================================================================*/
 static void dup(intptr_t *tos);
 static void dup2(intptr_t *tos);
 static void dup_x1(intptr_t *tos);    /* insert top word two down */
 static void dup_x2(intptr_t *tos);    /* insert top word three down  */
 static void dup2_x1(intptr_t *tos);   /* insert top 2 slots three down */
 static void dup2_x2(intptr_t *tos);   /* insert top 2 slots four down */
 static void swap(intptr_t *tos);      /* swap top two elements */
 // umm don't like this method modifies its object
 // The Interpreter used when
 static void run(interpreterState istate);
 // The interpreter used if JVMTI needs interpreter events
 static void runWithChecks(interpreterState istate);
 static void End_Of_Interpreter(void);
 // Inline static functions for Java Stack and Local manipulation
 static address stack_slot(intptr_t *tos, int offset);
 static jint stack_int(intptr_t *tos, int offset);
 static jfloat stack_float(intptr_t *tos, int offset);
 static oop stack_object(intptr_t *tos, int offset);
 static jdouble stack_double(intptr_t *tos, int offset);
 static jlong stack_long(intptr_t *tos, int offset);
 // only used for value types
 static void set_stack_slot(intptr_t *tos, address value, int offset);
 static void set_stack_int(intptr_t *tos, int value, int offset);
 static void set_stack_float(intptr_t *tos, jfloat value, int offset);
 static void set_stack_object(intptr_t *tos, oop value, int offset);
 // needs to be platform dep for the 32 bit platforms.
 static void set_stack_double(intptr_t *tos, jdouble value, int offset);
 static void set_stack_long(intptr_t *tos, jlong value, int offset);
 static void set_stack_double_from_addr(intptr_t *tos, address addr, int offset);
 static void set_stack_long_from_addr(intptr_t *tos, address addr, int offset);
 // Locals
 static address locals_slot(intptr_t* locals, int offset);
 static jint locals_int(intptr_t* locals, int offset);
 static jfloat locals_float(intptr_t* locals, int offset);
 static oop locals_object(intptr_t* locals, int offset);
 static jdouble locals_double(intptr_t* locals, int offset);
 static jlong locals_long(intptr_t* locals, int offset);
 static address locals_long_at(intptr_t* locals, int offset);
 static address locals_double_at(intptr_t* locals, int offset);
 static void set_locals_slot(intptr_t *locals, address value, int offset);
 static void set_locals_int(intptr_t *locals, jint value, int offset);
 static void set_locals_float(intptr_t *locals, jfloat value, int offset);
 static void set_locals_object(intptr_t *locals, oop value, int offset);
 static void set_locals_double(intptr_t *locals, jdouble value, int offset);
 static void set_locals_long(intptr_t *locals, jlong value, int offset);
 static void set_locals_double_from_addr(intptr_t *locals,
                                    address addr, int offset);
 static void set_locals_long_from_addr(intptr_t *locals,
                                    address addr, int offset);
 static void astore(intptr_t* topOfStack, int stack_offset,
                    intptr_t* locals,     int locals_offset);
 // Support for dup and swap
 static void copy_stack_slot(intptr_t *tos, int from_offset, int to_offset);
 #ifndef PRODUCT
 static const char* C_msg(BytecodeInterpreter::messages msg);
 void print();
 #endif // PRODUCT
     // Platform fields/methods
 #ifdef TARGET_ARCH_x86
 # include "bytecodeInterpreter_x86.hpp"
 #endif
 #ifdef TARGET_ARCH_sparc
 # include "bytecodeInterpreter_sparc.hpp"
 #endif
 #ifdef TARGET_ARCH_zero
 # include "bytecodeInterpreter_zero.hpp"
 #endif
 #ifdef TARGET_ARCH_arm
 # include "bytecodeInterpreter_arm.hpp"
 #endif
 #ifdef TARGET_ARCH_ppc
 # include "bytecodeInterpreter_ppc.hpp"
 #endif
 }; // BytecodeInterpreter
 #endif // CC_INTERP
 #endif // SHARE_VM_INTERPRETER_BYTECODEINTERPRETER_HPP

Mercurial > jdk8-mips64-public > hotspot / annotate

src/share/vm/interpreter/bytecodeInterpreter.hpp@e863062e521d (annotated)

src/share/vm/interpreter/bytecodeInterpreter.hpp