Mercurial > hg > truffle
view src/share/vm/runtime/stackValueCollection.cpp @ 1483:ba37b9335e1e
New option "-graal" that sets up the correct boot class path and C1X options using only the two environment variables MAXINE and GRAAL.
This greatly simplifies command line arguments necessary to start the Graal VM.
author | Thomas Wuerthinger <wuerthinger@ssw.jku.at> |
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date | Mon, 29 Nov 2010 16:58:26 +0100 |
parents | a61af66fc99e |
children | c18cbe5936b8 |
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/* * Copyright 2001-2005 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. * */ # include "incls/_precompiled.incl" # include "incls/_stackValueCollection.cpp.incl" jint StackValueCollection::int_at(int slot) const { intptr_t val = at(slot)->get_int(); jint ival = *((jint*) (&val)); return ival; } jlong StackValueCollection::long_at(int slot) const { #ifdef _LP64 return at(slot+1)->get_int(); #else union { jlong jl; jint array[2]; } value; // Interpreter stack is reversed in memory: // low memory location is in higher java local slot. value.array[0] = at(slot+1)->get_int(); value.array[1] = at(slot )->get_int(); return value.jl; #endif } Handle StackValueCollection::obj_at(int slot) const { return at(slot)->get_obj(); } jfloat StackValueCollection::float_at(int slot) const { intptr_t res = at(slot)->get_int(); return *((jfloat*) (&res)); } jdouble StackValueCollection::double_at(int slot) const { #ifdef _LP64 intptr_t res = at(slot+1)->get_int(); return *((jdouble*) (&res)); #else union { jdouble jd; jint array[2]; } value; // Interpreter stack is reversed in memory: // low memory location is in higher java local slot. value.array[0] = at(slot+1)->get_int(); value.array[1] = at(slot )->get_int(); return value.jd; #endif } void StackValueCollection::set_int_at(int slot, jint value) { intptr_t val; *((jint*) (&val)) = value; at(slot)->set_int(val); } void StackValueCollection::set_long_at(int slot, jlong value) { #ifdef _LP64 at(slot+1)->set_int(value); #else union { jlong jl; jint array[2]; } x; // Interpreter stack is reversed in memory: // low memory location is in higher java local slot. x.jl = value; at(slot+1)->set_int(x.array[0]); at(slot+0)->set_int(x.array[1]); #endif } void StackValueCollection::set_obj_at(int slot, Handle value) { at(slot)->set_obj(value); } void StackValueCollection::set_float_at(int slot, jfloat value) { #ifdef _LP64 union { intptr_t jd; jint array[2]; } val; // Interpreter stores 32 bit floats in first half of 64 bit word. val.array[0] = *(jint*)(&value); val.array[1] = 0; at(slot)->set_int(val.jd); #else at(slot)->set_int(*(jint*)(&value)); #endif } void StackValueCollection::set_double_at(int slot, jdouble value) { #ifdef _LP64 at(slot+1)->set_int(*(intptr_t*)(&value)); #else union { jdouble jd; jint array[2]; } x; // Interpreter stack is reversed in memory: // low memory location is in higher java local slot. x.jd = value; at(slot+1)->set_int(x.array[0]); at(slot+0)->set_int(x.array[1]); #endif } #ifndef PRODUCT void StackValueCollection::print() { for(int index = 0; index < size(); index++) { tty->print("\t %2d ", index); at(index)->print_on(tty); if( at(index )->type() == T_INT && index+1 < size() && at(index+1)->type() == T_INT ) { tty->print(" " INT64_FORMAT " (long)", long_at(index)); tty->cr(); tty->print("\t %.15e (double)", double_at(index)); tty->print(" " PTR64_FORMAT " (longhex)", long_at(index)); } tty->cr(); } } #endif