From fa6b5a8027b86d2f8a200e72b4ef6a0d3f9189d3 Mon Sep 17 00:00:00 2001 From: duke Date: Sat, 1 Dec 2007 00:00:00 +0000 Subject: Initial load --- src/cpu/x86/vm/bytecodeInterpreter_x86.hpp | 110 +++++++++++++++++++++++++++++ 1 file changed, 110 insertions(+) create mode 100644 src/cpu/x86/vm/bytecodeInterpreter_x86.hpp (limited to 'src/cpu/x86/vm/bytecodeInterpreter_x86.hpp') diff --git a/src/cpu/x86/vm/bytecodeInterpreter_x86.hpp b/src/cpu/x86/vm/bytecodeInterpreter_x86.hpp new file mode 100644 index 000000000..cc93b7258 --- /dev/null +++ b/src/cpu/x86/vm/bytecodeInterpreter_x86.hpp @@ -0,0 +1,110 @@ +/* + * Copyright 2002 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + * + */ + +// Platform specific for C++ based Interpreter + +private: + + interpreterState _self_link; /* Previous interpreter state */ /* sometimes points to self??? */ + address _result_handler; /* temp for saving native result handler */ + intptr_t* _sender_sp; /* sender's sp before stack (locals) extension */ + + address _extra_junk1; /* temp to save on recompiles */ + address _extra_junk2; /* temp to save on recompiles */ + address _extra_junk3; /* temp to save on recompiles */ + // address dummy_for_native2; /* a native frame result handler would be here... */ + // address dummy_for_native1; /* native result type stored here in a interpreter native frame */ + address _extra_junk4; /* temp to save on recompiles */ + address _extra_junk5; /* temp to save on recompiles */ + address _extra_junk6; /* temp to save on recompiles */ +public: + // we have an interpreter frame... +inline intptr_t* sender_sp() { + return _sender_sp; +} + +// The interpreter always has the frame anchor fully setup so we don't +// have to do anything going to vm from the interpreter. On return +// we do have to clear the flags in case they we're modified to +// maintain the stack walking invariants. +// +#define SET_LAST_JAVA_FRAME() + +#define RESET_LAST_JAVA_FRAME() + +/* + * 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 GET_STACK_SLOT(offset) (*((intptr_t*) &topOfStack[-(offset)])) +#define STACK_SLOT(offset) ((address) &topOfStack[-(offset)]) +#define STACK_ADDR(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_FLOAT(offset) (*((jfloat*)&locals[-(offset)])) +#define LOCALS_OBJECT(offset) ((oop)locals[-(offset)]) +#define LOCALS_DOUBLE(offset) (((VMJavaVal64*)&locals[-((offset) + 1)])->d) +#define LOCALS_LONG(offset) (((VMJavaVal64*)&locals[-((offset) + 1)])->l) +#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_ADDR(value, offset) (*((address *)&locals[-(offset)]) = (value)) +#define SET_LOCALS_INT(value, offset) (*((jint *)&locals[-(offset)]) = (value)) +#define SET_LOCALS_FLOAT(value, offset) (*((jfloat *)&locals[-(offset)]) = (value)) +#define SET_LOCALS_OBJECT(value, offset) (*((oop *)&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 = \ + ((VMJavaVal64*)(addr))->d) +#define SET_LOCALS_LONG_FROM_ADDR(addr, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->l = \ + ((VMJavaVal64*)(addr))->l) -- cgit v1.2.3