Mercurial > hg > graal-compiler
view src/share/vm/runtime/stackValueCollection.cpp @ 5275:290b3025b66f
added support for disassembling code after installation (so that the result of patching and relocation can be seen)
author | Doug Simon <doug.simon@oracle.com> |
---|---|
date | Mon, 23 Apr 2012 15:49:11 +0200 |
parents | 1d1603768966 |
children | 78bbf4d43a14 |
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/* * Copyright (c) 2001, 2011, Oracle and/or its affiliates. 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. * */ #include "precompiled.hpp" #include "runtime/stackValueCollection.hpp" #ifdef TARGET_ARCH_x86 # include "jniTypes_x86.hpp" #endif #ifdef TARGET_ARCH_sparc # include "jniTypes_sparc.hpp" #endif #ifdef TARGET_ARCH_zero # include "jniTypes_zero.hpp" #endif #ifdef TARGET_ARCH_arm # include "jniTypes_arm.hpp" #endif #ifdef TARGET_ARCH_ppc # include "jniTypes_ppc.hpp" #endif 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