jdk8-mips64-public/hotspot: src/cpu/ppc/vm/bytecodeInterpreter

src/cpu/ppc/vm/bytecodeInterpreter_ppc.hpp@41b780b43b74 (annotated)

src/cpu/ppc/vm/bytecodeInterpreter_ppc.hpp

Wed, 27 Nov 2013 16:16:21 -0800

author: goetz
date: Wed, 27 Nov 2013 16:16:21 -0800
changeset 6490: 41b780b43b74
parent 6483: 018b357638aa
child 6495: 67fa91961822
permissions: -rw-r--r--

8029015: PPC64 (part 216): opto: trap based null and range checks
Summary: On PPC64 use tdi instruction that does a compare and raises SIGTRAP for NULL and range checks.
Reviewed-by: kvn

 /*
  * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
  * Copyright 2012, 2013 SAP AG. 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 CPU_PPC_VM_BYTECODEINTERPRETER_PPC_HPP
 #define CPU_PPC_VM_BYTECODEINTERPRETER_PPC_HPP
 // Platform specific for C++ based Interpreter
 #define LOTS_OF_REGS    /* Lets interpreter use plenty of registers */
 private:
     // Save the bottom of the stack after frame manager setup. For ease of restoration after return
     // from recursive interpreter call.
     intptr_t* _frame_bottom;              // Saved bottom of frame manager frame.
     address   _last_Java_pc;              // Pc to return to in frame manager.
     intptr_t* _last_Java_fp;              // frame pointer
     intptr_t* _last_Java_sp;              // stack pointer
     interpreterState _self_link;          // Previous interpreter state  // sometimes points to self???
     double    _native_fresult;            // Save result of native calls that might return floats.
     intptr_t  _native_lresult;            // Save result of native calls that might return handle/longs.
 public:
     address last_Java_pc(void)            { return _last_Java_pc; }
     intptr_t* last_Java_fp(void)          { return _last_Java_fp; }
     static ByteSize native_lresult_offset() {
       return byte_offset_of(BytecodeInterpreter, _native_lresult);
     }
     static ByteSize native_fresult_offset() {
       return byte_offset_of(BytecodeInterpreter, _native_fresult);
     }
     static void pd_layout_interpreterState(interpreterState istate, address last_Java_pc, intptr_t* last_Java_fp);
 #define SET_LAST_JAVA_FRAME()   THREAD->frame_anchor()->set(istate->_last_Java_sp, istate->_last_Java_pc);
 #define RESET_LAST_JAVA_FRAME() THREAD->frame_anchor()->clear();
 // Macros for accessing the stack.
 #undef STACK_INT
 #undef STACK_FLOAT
 #undef STACK_ADDR
 #undef STACK_OBJECT
 #undef STACK_DOUBLE
 #undef STACK_LONG
 // JavaStack Implementation
 #define STACK_SLOT(offset)    ((address) &topOfStack[-(offset)])
 #define STACK_INT(offset)     (*((jint*) &topOfStack[-(offset)]))
 #define STACK_FLOAT(offset)   (*((jfloat *) &topOfStack[-(offset)]))
 #define STACK_OBJECT(offset)  (*((oop *) &topOfStack [-(offset)]))
 #define STACK_DOUBLE(offset)  (((VMJavaVal64*) &topOfStack[-(offset)])->d)
 #define STACK_LONG(offset)    (((VMJavaVal64 *) &topOfStack[-(offset)])->l)
 #define SET_STACK_SLOT(value, offset)   (*(intptr_t*)&topOfStack[-(offset)] = *(intptr_t*)(value))
 #define SET_STACK_ADDR(value, offset)   (*((address *)&topOfStack[-(offset)]) = (value))
 #define SET_STACK_INT(value, offset)    (*((jint *)&topOfStack[-(offset)]) = (value))
 #define SET_STACK_FLOAT(value, offset)  (*((jfloat *)&topOfStack[-(offset)]) = (value))
 #define SET_STACK_OBJECT(value, offset) (*((oop *)&topOfStack[-(offset)]) = (value))
 #define SET_STACK_DOUBLE(value, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->d = (value))
 #define SET_STACK_DOUBLE_FROM_ADDR(addr, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->d =  \
                                                  ((VMJavaVal64*)(addr))->d)
 #define SET_STACK_LONG(value, offset)   (((VMJavaVal64*)&topOfStack[-(offset)])->l = (value))
 #define SET_STACK_LONG_FROM_ADDR(addr, offset)   (((VMJavaVal64*)&topOfStack[-(offset)])->l =  \
                                                  ((VMJavaVal64*)(addr))->l)
 // JavaLocals implementation
 #define LOCALS_SLOT(offset)    ((intptr_t*)&locals[-(offset)])
 #define LOCALS_ADDR(offset)    ((address)locals[-(offset)])
 #define LOCALS_INT(offset)     (*(jint*)&(locals[-(offset)]))
 #define LOCALS_OBJECT(offset)  (cast_to_oop(locals[-(offset)]))
 #define LOCALS_LONG_AT(offset) (((address)&locals[-((offset) + 1)]))
 #define LOCALS_DOUBLE_AT(offset) (((address)&locals[-((offset) + 1)]))
 #define SET_LOCALS_SLOT(value, offset)    (*(intptr_t*)&locals[-(offset)] = *(intptr_t *)(value))
 #define SET_LOCALS_INT(value, offset)     (*((jint *)&locals[-(offset)]) = (value))
 #define SET_LOCALS_DOUBLE(value, offset)  (((VMJavaVal64*)&locals[-((offset)+1)])->d = (value))
 #define SET_LOCALS_LONG(value, offset)    (((VMJavaVal64*)&locals[-((offset)+1)])->l = (value))
 #define SET_LOCALS_DOUBLE_FROM_ADDR(addr, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->d = \
 #endif // CPU_PPC_VM_BYTECODEINTERPRETER_PPC_PP

Mercurial > jdk8-mips64-public > hotspot / annotate

src/cpu/ppc/vm/bytecodeInterpreter_ppc.hpp@41b780b43b74 (annotated)

src/cpu/ppc/vm/bytecodeInterpreter_ppc.hpp