|
1
|
1 |
/*
|
|
|
2 |
* Copyright 1997-2006 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
|
|
|
20 |
* CA 95054 USA or visit www.sun.com if you need additional information or
|
|
|
21 |
* have any questions.
|
|
|
22 |
*
|
|
|
23 |
*/
|
|
|
24 |
|
|
|
25 |
// This file holds platform-independant bodies of inline functions for frames.
|
|
|
26 |
|
|
|
27 |
// Note: The bcx usually contains the bcp; however during GC it contains the bci
|
|
|
28 |
// (changed by gc_prologue() and gc_epilogue()) to be methodOop position
|
|
|
29 |
// independent. These accessors make sure the correct value is returned
|
|
|
30 |
// by testing the range of the bcx value. bcp's are guaranteed to be above
|
|
|
31 |
// max_method_code_size, since methods are always allocated in OldSpace and
|
|
|
32 |
// Eden is allocated before OldSpace.
|
|
|
33 |
//
|
|
|
34 |
// The bcp is accessed sometimes during GC for ArgumentDescriptors; than
|
|
|
35 |
// the correct translation has to be performed (was bug).
|
|
|
36 |
|
|
|
37 |
inline bool frame::is_bci(intptr_t bcx) {
|
|
|
38 |
#ifdef _LP64
|
|
|
39 |
return ((uintptr_t) bcx) <= ((uintptr_t) max_method_code_size) ;
|
|
|
40 |
#else
|
|
|
41 |
return 0 <= bcx && bcx <= max_method_code_size;
|
|
|
42 |
#endif
|
|
|
43 |
}
|
|
|
44 |
|
|
|
45 |
inline bool frame::is_entry_frame() const {
|
|
|
46 |
return StubRoutines::returns_to_call_stub(pc());
|
|
|
47 |
}
|
|
|
48 |
|
|
|
49 |
inline bool frame::is_first_frame() const {
|
|
|
50 |
return is_entry_frame() && entry_frame_is_first();
|
|
|
51 |
}
|
|
|
52 |
|
|
|
53 |
// here are the platform-dependent bodies:
|
|
|
54 |
|
|
|
55 |
# include "incls/_frame_pd.inline.hpp.incl"
|