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 // vframes are virtual stack frames representing source level activations.
26 // A single frame may hold several source level activations in the case of
27 // optimized code. The debugging stored with the optimized code enables
28 // us to unfold a frame as a stack of vframes.
29 // A cVFrame represents an activation of a non-java method.
30
31 // The vframe inheritance hierarchy:
32 // - vframe
33 // - javaVFrame
34 // - interpretedVFrame
35 // - compiledVFrame ; (used for both compiled Java methods and native stubs)
36 // - externalVFrame
37 // - entryVFrame ; special frame created when calling Java from C
38
39 // - BasicLock
40
41 class vframe: public ResourceObj {
42 protected:
43 frame _fr; // Raw frame behind the virtual frame.
44 RegisterMap _reg_map; // Register map for the raw frame (used to handle callee-saved registers).
491 return true;
492 }
493
494 return false;
495 }
496
497
498 inline void vframeStreamCommon::fill_from_interpreter_frame() {
499 methodOop method = _frame.interpreter_frame_method();
500 intptr_t bcx = _frame.interpreter_frame_bcx();
501 int bci = method->validate_bci_from_bcx(bcx);
502 // 6379830 AsyncGetCallTrace sometimes feeds us wild frames.
503 if (bci < 0) {
504 found_bad_method_frame();
505 bci = 0; // pretend it's on the point of entering
506 }
507 _mode = interpreted_mode;
508 _method = method;
509 _bci = bci;
510 }
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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 #ifndef SHARE_VM_RUNTIME_VFRAME_HPP
26 #define SHARE_VM_RUNTIME_VFRAME_HPP
27
28 #include "code/debugInfo.hpp"
29 #include "code/debugInfoRec.hpp"
30 #include "code/location.hpp"
31 #include "oops/oop.hpp"
32 #include "runtime/frame.hpp"
33 #include "runtime/frame.inline.hpp"
34 #include "runtime/stackValue.hpp"
35 #include "runtime/stackValueCollection.hpp"
36 #include "utilities/growableArray.hpp"
37
38 // vframes are virtual stack frames representing source level activations.
39 // A single frame may hold several source level activations in the case of
40 // optimized code. The debugging stored with the optimized code enables
41 // us to unfold a frame as a stack of vframes.
42 // A cVFrame represents an activation of a non-java method.
43
44 // The vframe inheritance hierarchy:
45 // - vframe
46 // - javaVFrame
47 // - interpretedVFrame
48 // - compiledVFrame ; (used for both compiled Java methods and native stubs)
49 // - externalVFrame
50 // - entryVFrame ; special frame created when calling Java from C
51
52 // - BasicLock
53
54 class vframe: public ResourceObj {
55 protected:
56 frame _fr; // Raw frame behind the virtual frame.
57 RegisterMap _reg_map; // Register map for the raw frame (used to handle callee-saved registers).
504 return true;
505 }
506
507 return false;
508 }
509
510
511 inline void vframeStreamCommon::fill_from_interpreter_frame() {
512 methodOop method = _frame.interpreter_frame_method();
513 intptr_t bcx = _frame.interpreter_frame_bcx();
514 int bci = method->validate_bci_from_bcx(bcx);
515 // 6379830 AsyncGetCallTrace sometimes feeds us wild frames.
516 if (bci < 0) {
517 found_bad_method_frame();
518 bci = 0; // pretend it's on the point of entering
519 }
520 _mode = interpreted_mode;
521 _method = method;
522 _bci = bci;
523 }
524
525 #endif // SHARE_VM_RUNTIME_VFRAME_HPP
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