1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/cpu/x86/vm/bytecodeInterpreter_x86.hpp Sat Dec 01 00:00:00 2007 +0000
1.3 @@ -0,0 +1,110 @@
1.4 +/*
1.5 + * Copyright 2002 Sun Microsystems, Inc. All Rights Reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
1.23 + * CA 95054 USA or visit www.sun.com if you need additional information or
1.24 + * have any questions.
1.25 + *
1.26 + */
1.27 +
1.28 +// Platform specific for C++ based Interpreter
1.29 +
1.30 +private:
1.31 +
1.32 + interpreterState _self_link; /* Previous interpreter state */ /* sometimes points to self??? */
1.33 + address _result_handler; /* temp for saving native result handler */
1.34 + intptr_t* _sender_sp; /* sender's sp before stack (locals) extension */
1.35 +
1.36 + address _extra_junk1; /* temp to save on recompiles */
1.37 + address _extra_junk2; /* temp to save on recompiles */
1.38 + address _extra_junk3; /* temp to save on recompiles */
1.39 + // address dummy_for_native2; /* a native frame result handler would be here... */
1.40 + // address dummy_for_native1; /* native result type stored here in a interpreter native frame */
1.41 + address _extra_junk4; /* temp to save on recompiles */
1.42 + address _extra_junk5; /* temp to save on recompiles */
1.43 + address _extra_junk6; /* temp to save on recompiles */
1.44 +public:
1.45 + // we have an interpreter frame...
1.46 +inline intptr_t* sender_sp() {
1.47 + return _sender_sp;
1.48 +}
1.49 +
1.50 +// The interpreter always has the frame anchor fully setup so we don't
1.51 +// have to do anything going to vm from the interpreter. On return
1.52 +// we do have to clear the flags in case they we're modified to
1.53 +// maintain the stack walking invariants.
1.54 +//
1.55 +#define SET_LAST_JAVA_FRAME()
1.56 +
1.57 +#define RESET_LAST_JAVA_FRAME()
1.58 +
1.59 +/*
1.60 + * Macros for accessing the stack.
1.61 + */
1.62 +#undef STACK_INT
1.63 +#undef STACK_FLOAT
1.64 +#undef STACK_ADDR
1.65 +#undef STACK_OBJECT
1.66 +#undef STACK_DOUBLE
1.67 +#undef STACK_LONG
1.68 +
1.69 +// JavaStack Implementation
1.70 +
1.71 +#define GET_STACK_SLOT(offset) (*((intptr_t*) &topOfStack[-(offset)]))
1.72 +#define STACK_SLOT(offset) ((address) &topOfStack[-(offset)])
1.73 +#define STACK_ADDR(offset) (*((address *) &topOfStack[-(offset)]))
1.74 +#define STACK_INT(offset) (*((jint*) &topOfStack[-(offset)]))
1.75 +#define STACK_FLOAT(offset) (*((jfloat *) &topOfStack[-(offset)]))
1.76 +#define STACK_OBJECT(offset) (*((oop *) &topOfStack [-(offset)]))
1.77 +#define STACK_DOUBLE(offset) (((VMJavaVal64*) &topOfStack[-(offset)])->d)
1.78 +#define STACK_LONG(offset) (((VMJavaVal64 *) &topOfStack[-(offset)])->l)
1.79 +
1.80 +#define SET_STACK_SLOT(value, offset) (*(intptr_t*)&topOfStack[-(offset)] = *(intptr_t*)(value))
1.81 +#define SET_STACK_ADDR(value, offset) (*((address *)&topOfStack[-(offset)]) = (value))
1.82 +#define SET_STACK_INT(value, offset) (*((jint *)&topOfStack[-(offset)]) = (value))
1.83 +#define SET_STACK_FLOAT(value, offset) (*((jfloat *)&topOfStack[-(offset)]) = (value))
1.84 +#define SET_STACK_OBJECT(value, offset) (*((oop *)&topOfStack[-(offset)]) = (value))
1.85 +#define SET_STACK_DOUBLE(value, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->d = (value))
1.86 +#define SET_STACK_DOUBLE_FROM_ADDR(addr, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->d = \
1.87 + ((VMJavaVal64*)(addr))->d)
1.88 +#define SET_STACK_LONG(value, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->l = (value))
1.89 +#define SET_STACK_LONG_FROM_ADDR(addr, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->l = \
1.90 + ((VMJavaVal64*)(addr))->l)
1.91 +// JavaLocals implementation
1.92 +
1.93 +#define LOCALS_SLOT(offset) ((intptr_t*)&locals[-(offset)])
1.94 +#define LOCALS_ADDR(offset) ((address)locals[-(offset)])
1.95 +#define LOCALS_INT(offset) ((jint)(locals[-(offset)]))
1.96 +#define LOCALS_FLOAT(offset) (*((jfloat*)&locals[-(offset)]))
1.97 +#define LOCALS_OBJECT(offset) ((oop)locals[-(offset)])
1.98 +#define LOCALS_DOUBLE(offset) (((VMJavaVal64*)&locals[-((offset) + 1)])->d)
1.99 +#define LOCALS_LONG(offset) (((VMJavaVal64*)&locals[-((offset) + 1)])->l)
1.100 +#define LOCALS_LONG_AT(offset) (((address)&locals[-((offset) + 1)]))
1.101 +#define LOCALS_DOUBLE_AT(offset) (((address)&locals[-((offset) + 1)]))
1.102 +
1.103 +#define SET_LOCALS_SLOT(value, offset) (*(intptr_t*)&locals[-(offset)] = *(intptr_t *)(value))
1.104 +#define SET_LOCALS_ADDR(value, offset) (*((address *)&locals[-(offset)]) = (value))
1.105 +#define SET_LOCALS_INT(value, offset) (*((jint *)&locals[-(offset)]) = (value))
1.106 +#define SET_LOCALS_FLOAT(value, offset) (*((jfloat *)&locals[-(offset)]) = (value))
1.107 +#define SET_LOCALS_OBJECT(value, offset) (*((oop *)&locals[-(offset)]) = (value))
1.108 +#define SET_LOCALS_DOUBLE(value, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->d = (value))
1.109 +#define SET_LOCALS_LONG(value, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->l = (value))
1.110 +#define SET_LOCALS_DOUBLE_FROM_ADDR(addr, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->d = \
1.111 + ((VMJavaVal64*)(addr))->d)
1.112 +#define SET_LOCALS_LONG_FROM_ADDR(addr, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->l = \
1.113 + ((VMJavaVal64*)(addr))->l)
