tools/profiler/LulDwarfInt.h@97036ab72558
tools/profiler/LulDwarfInt.h
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
4 // Copyright (c) 2008, 2010 Google Inc. All Rights Reserved.
5 //
6 // Redistribution and use in source and binary forms, with or without
7 // modification, are permitted provided that the following conditions are
8 // met:
9 //
10 // * Redistributions of source code must retain the above copyright
11 // notice, this list of conditions and the following disclaimer.
12 // * Redistributions in binary form must reproduce the above
13 // copyright notice, this list of conditions and the following disclaimer
14 // in the documentation and/or other materials provided with the
15 // distribution.
16 // * Neither the name of Google Inc. nor the names of its
17 // contributors may be used to endorse or promote products derived from
18 // this software without specific prior written permission.
19 //
20 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 // CFI reader author: Jim Blandy <jimb@mozilla.com> <jimb@red-bean.com>
34 // This file is derived from the following file in
35 // toolkit/crashreporter/google-breakpad:
36 // src/common/dwarf/dwarf2enums.h
38 #ifndef LulDwarfInt_h
39 #define LulDwarfInt_h
41 #include "LulCommonExt.h"
42 #include "LulDwarfExt.h"
44 namespace lul {
46 // These enums do not follow the google3 style only because they are
47 // known universally (specs, other implementations) by the names in
48 // exactly this capitalization.
49 // Tag names and codes.
51 // Call Frame Info instructions.
52 enum DwarfCFI
53 {
54 DW_CFA_advance_loc = 0x40,
55 DW_CFA_offset = 0x80,
56 DW_CFA_restore = 0xc0,
57 DW_CFA_nop = 0x00,
58 DW_CFA_set_loc = 0x01,
59 DW_CFA_advance_loc1 = 0x02,
60 DW_CFA_advance_loc2 = 0x03,
61 DW_CFA_advance_loc4 = 0x04,
62 DW_CFA_offset_extended = 0x05,
63 DW_CFA_restore_extended = 0x06,
64 DW_CFA_undefined = 0x07,
65 DW_CFA_same_value = 0x08,
66 DW_CFA_register = 0x09,
67 DW_CFA_remember_state = 0x0a,
68 DW_CFA_restore_state = 0x0b,
69 DW_CFA_def_cfa = 0x0c,
70 DW_CFA_def_cfa_register = 0x0d,
71 DW_CFA_def_cfa_offset = 0x0e,
72 DW_CFA_def_cfa_expression = 0x0f,
73 DW_CFA_expression = 0x10,
74 DW_CFA_offset_extended_sf = 0x11,
75 DW_CFA_def_cfa_sf = 0x12,
76 DW_CFA_def_cfa_offset_sf = 0x13,
77 DW_CFA_val_offset = 0x14,
78 DW_CFA_val_offset_sf = 0x15,
79 DW_CFA_val_expression = 0x16,
81 // Opcodes in this range are reserved for user extensions.
82 DW_CFA_lo_user = 0x1c,
83 DW_CFA_hi_user = 0x3f,
85 // SGI/MIPS specific.
86 DW_CFA_MIPS_advance_loc8 = 0x1d,
88 // GNU extensions.
89 DW_CFA_GNU_window_save = 0x2d,
90 DW_CFA_GNU_args_size = 0x2e,
91 DW_CFA_GNU_negative_offset_extended = 0x2f
92 };
94 // Exception handling 'z' augmentation letters.
95 enum DwarfZAugmentationCodes {
96 // If the CFI augmentation string begins with 'z', then the CIE and FDE
97 // have an augmentation data area just before the instructions, whose
98 // contents are determined by the subsequent augmentation letters.
99 DW_Z_augmentation_start = 'z',
101 // If this letter is present in a 'z' augmentation string, the CIE
102 // augmentation data includes a pointer encoding, and the FDE
103 // augmentation data includes a language-specific data area pointer,
104 // represented using that encoding.
105 DW_Z_has_LSDA = 'L',
107 // If this letter is present in a 'z' augmentation string, the CIE
108 // augmentation data includes a pointer encoding, followed by a pointer
109 // to a personality routine, represented using that encoding.
110 DW_Z_has_personality_routine = 'P',
112 // If this letter is present in a 'z' augmentation string, the CIE
113 // augmentation data includes a pointer encoding describing how the FDE's
114 // initial location, address range, and DW_CFA_set_loc operands are
115 // encoded.
116 DW_Z_has_FDE_address_encoding = 'R',
118 // If this letter is present in a 'z' augmentation string, then code
119 // addresses covered by FDEs that cite this CIE are signal delivery
120 // trampolines. Return addresses of frames in trampolines should not be
121 // adjusted as described in section 6.4.4 of the DWARF 3 spec.
122 DW_Z_is_signal_trampoline = 'S'
123 };
125 } // namespace lul
127 #endif // LulDwarfInt_h
