src/cpu/x86/vm/bytecodeInterpreter_x86.hpp

Fri, 16 Aug 2019 16:50:17 +0200

author
eosterlund
date
Fri, 16 Aug 2019 16:50:17 +0200
changeset 9834
bb1da64b0492
parent 6483
018b357638aa
child 6876
710a3c8b516e
permissions
-rw-r--r--

8229345: Memory leak due to vtable stubs not being shared on SPARC
Reviewed-by: mdoerr, dholmes, kvn

     1 /*
     2  * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
     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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    20  * or visit www.oracle.com if you need additional information or have any
    21  * questions.
    22  *
    23  */
    25 #ifndef CPU_X86_VM_BYTECODEINTERPRETER_X86_HPP
    26 #define CPU_X86_VM_BYTECODEINTERPRETER_X86_HPP
    28 // Platform specific for C++ based Interpreter
    30 private:
    32     interpreterState _self_link;          /*  Previous interpreter state  */ /* sometimes points to self??? */
    33     address   _result_handler;            /* temp for saving native result handler */
    34     intptr_t* _sender_sp;                 /* sender's sp before stack (locals) extension */
    36     address   _extra_junk1;               /* temp to save on recompiles */
    37     address   _extra_junk2;               /* temp to save on recompiles */
    38     address   _extra_junk3;               /* temp to save on recompiles */
    39     // address dummy_for_native2;         /* a native frame result handler would be here... */
    40     // address dummy_for_native1;         /* native result type stored here in a interpreter native frame */
    41     address   _extra_junk4;               /* temp to save on recompiles */
    42     address   _extra_junk5;               /* temp to save on recompiles */
    43     address   _extra_junk6;               /* temp to save on recompiles */
    44 public:
    45                                                          // we have an interpreter frame...
    46 inline intptr_t* sender_sp() {
    47   return _sender_sp;
    48 }
    50 // The interpreter always has the frame anchor fully setup so we don't
    51 // have to do anything going to vm from the interpreter. On return
    52 // we do have to clear the flags in case they we're modified to
    53 // maintain the stack walking invariants.
    54 //
    55 #define SET_LAST_JAVA_FRAME()
    57 #define RESET_LAST_JAVA_FRAME()
    59 /*
    60  * Macros for accessing the stack.
    61  */
    62 #undef STACK_INT
    63 #undef STACK_FLOAT
    64 #undef STACK_ADDR
    65 #undef STACK_OBJECT
    66 #undef STACK_DOUBLE
    67 #undef STACK_LONG
    69 // JavaStack Implementation
    71 #define GET_STACK_SLOT(offset)    (*((intptr_t*) &topOfStack[-(offset)]))
    72 #define STACK_SLOT(offset)    ((address) &topOfStack[-(offset)])
    73 #define STACK_ADDR(offset)    (*((address *) &topOfStack[-(offset)]))
    74 #define STACK_INT(offset)     (*((jint*) &topOfStack[-(offset)]))
    75 #define STACK_FLOAT(offset)   (*((jfloat *) &topOfStack[-(offset)]))
    76 #define STACK_OBJECT(offset)  (*((oop *) &topOfStack [-(offset)]))
    77 #define STACK_DOUBLE(offset)  (((VMJavaVal64*) &topOfStack[-(offset)])->d)
    78 #define STACK_LONG(offset)    (((VMJavaVal64 *) &topOfStack[-(offset)])->l)
    80 #define SET_STACK_SLOT(value, offset)   (*(intptr_t*)&topOfStack[-(offset)] = *(intptr_t*)(value))
    81 #define SET_STACK_ADDR(value, offset)   (*((address *)&topOfStack[-(offset)]) = (value))
    82 #define SET_STACK_INT(value, offset)    (*((jint *)&topOfStack[-(offset)]) = (value))
    83 #define SET_STACK_FLOAT(value, offset)  (*((jfloat *)&topOfStack[-(offset)]) = (value))
    84 #define SET_STACK_OBJECT(value, offset) (*((oop *)&topOfStack[-(offset)]) = (value))
    85 #define SET_STACK_DOUBLE(value, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->d = (value))
    86 #define SET_STACK_DOUBLE_FROM_ADDR(addr, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->d =  \
    87                                                  ((VMJavaVal64*)(addr))->d)
    88 #define SET_STACK_LONG(value, offset)   (((VMJavaVal64*)&topOfStack[-(offset)])->l = (value))
    89 #define SET_STACK_LONG_FROM_ADDR(addr, offset)   (((VMJavaVal64*)&topOfStack[-(offset)])->l =  \
    90                                                  ((VMJavaVal64*)(addr))->l)
    91 // JavaLocals implementation
    93 #define LOCALS_SLOT(offset)    ((intptr_t*)&locals[-(offset)])
    94 #define LOCALS_ADDR(offset)    ((address)locals[-(offset)])
    95 #define LOCALS_INT(offset)     ((jint)(locals[-(offset)]))
    96 #define LOCALS_FLOAT(offset)   (*((jfloat*)&locals[-(offset)]))
    97 #define LOCALS_OBJECT(offset)  (cast_to_oop(locals[-(offset)]))
    98 #define LOCALS_DOUBLE(offset)  (((VMJavaVal64*)&locals[-((offset) + 1)])->d)
    99 #define LOCALS_LONG(offset)    (((VMJavaVal64*)&locals[-((offset) + 1)])->l)
   100 #define LOCALS_LONG_AT(offset) (((address)&locals[-((offset) + 1)]))
   101 #define LOCALS_DOUBLE_AT(offset) (((address)&locals[-((offset) + 1)]))
   103 #define SET_LOCALS_SLOT(value, offset)    (*(intptr_t*)&locals[-(offset)] = *(intptr_t *)(value))
   104 #define SET_LOCALS_ADDR(value, offset)    (*((address *)&locals[-(offset)]) = (value))
   105 #define SET_LOCALS_INT(value, offset)     (*((jint *)&locals[-(offset)]) = (value))
   106 #define SET_LOCALS_FLOAT(value, offset)   (*((jfloat *)&locals[-(offset)]) = (value))
   107 #define SET_LOCALS_OBJECT(value, offset)  (*((oop *)&locals[-(offset)]) = (value))
   108 #define SET_LOCALS_DOUBLE(value, offset)  (((VMJavaVal64*)&locals[-((offset)+1)])->d = (value))
   109 #define SET_LOCALS_LONG(value, offset)    (((VMJavaVal64*)&locals[-((offset)+1)])->l = (value))
   110 #define SET_LOCALS_DOUBLE_FROM_ADDR(addr, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->d = \
   111                                                   ((VMJavaVal64*)(addr))->d)
   112 #define SET_LOCALS_LONG_FROM_ADDR(addr, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->l = \
   113                                                 ((VMJavaVal64*)(addr))->l)
   115 #endif // CPU_X86_VM_BYTECODEINTERPRETER_X86_HPP

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