1 /* 2 * Copyright (c) 1997, 2009, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 # include "incls/_precompiled.incl" 26 # include "incls/_stackValue.cpp.incl" 27 28 StackValue* StackValue::create_stack_value(const frame* fr, const RegisterMap* reg_map, ScopeValue* sv) { 29 if (sv->is_location()) { 30 // Stack or register value 31 Location loc = ((LocationValue *)sv)->location(); 32 33 #ifdef SPARC 34 // %%%%% Callee-save floats will NOT be working on a Sparc until we 35 // handle the case of a 2 floats in a single double register. 36 assert( !(loc.is_register() && loc.type() == Location::float_in_dbl), "Sparc does not handle callee-save floats yet" ); 37 #endif // SPARC 38 39 // First find address of value 40 41 address value_addr = loc.is_register() 42 // Value was in a callee-save register 43 ? reg_map->location(VMRegImpl::as_VMReg(loc.register_number())) 44 // Else value was directly saved on the stack. The frame's original stack pointer, 45 // before any extension by its callee (due to Compiler1 linkage on SPARC), must be used. 46 : ((address)fr->unextended_sp()) + loc.stack_offset(); | 1 /* 2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #include "precompiled.hpp" 26 #include "code/debugInfo.hpp" 27 #include "oops/oop.inline.hpp" 28 #include "runtime/frame.inline.hpp" 29 #include "runtime/handles.inline.hpp" 30 #include "runtime/stackValue.hpp" 31 32 StackValue* StackValue::create_stack_value(const frame* fr, const RegisterMap* reg_map, ScopeValue* sv) { 33 if (sv->is_location()) { 34 // Stack or register value 35 Location loc = ((LocationValue *)sv)->location(); 36 37 #ifdef SPARC 38 // %%%%% Callee-save floats will NOT be working on a Sparc until we 39 // handle the case of a 2 floats in a single double register. 40 assert( !(loc.is_register() && loc.type() == Location::float_in_dbl), "Sparc does not handle callee-save floats yet" ); 41 #endif // SPARC 42 43 // First find address of value 44 45 address value_addr = loc.is_register() 46 // Value was in a callee-save register 47 ? reg_map->location(VMRegImpl::as_VMReg(loc.register_number())) 48 // Else value was directly saved on the stack. The frame's original stack pointer, 49 // before any extension by its callee (due to Compiler1 linkage on SPARC), must be used. 50 : ((address)fr->unextended_sp()) + loc.stack_offset(); |