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();