security/sandbox/win/src/sidestep/ia32_modrm_map.cpp@6474c204b198 (annotated)
security/sandbox/win/src/sidestep/ia32_modrm_map.cpp
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| michael@0 | 2 | // Use of this source code is governed by a BSD-style license that can be |
| michael@0 | 3 | // found in the LICENSE file. |
| michael@0 | 4 | |
| michael@0 | 5 | // Table of relevant information about how to decode the ModR/M byte. |
| michael@0 | 6 | // Based on information in the IA-32 Intel Architecture |
| michael@0 | 7 | // Software Developer's Manual Volume 2: Instruction Set Reference. |
| michael@0 | 8 | |
| michael@0 | 9 | #include "sandbox/win/src/sidestep/mini_disassembler.h" |
| michael@0 | 10 | #include "sandbox/win/src/sidestep/mini_disassembler_types.h" |
| michael@0 | 11 | |
| michael@0 | 12 | namespace sidestep { |
| michael@0 | 13 | |
| michael@0 | 14 | const ModrmEntry MiniDisassembler::s_ia16_modrm_map_[] = { |
| michael@0 | 15 | // mod == 00 |
| michael@0 | 16 | /* r/m == 000 */ { false, false, OS_ZERO }, |
| michael@0 | 17 | /* r/m == 001 */ { false, false, OS_ZERO }, |
| michael@0 | 18 | /* r/m == 010 */ { false, false, OS_ZERO }, |
| michael@0 | 19 | /* r/m == 011 */ { false, false, OS_ZERO }, |
| michael@0 | 20 | /* r/m == 100 */ { false, false, OS_ZERO }, |
| michael@0 | 21 | /* r/m == 101 */ { false, false, OS_ZERO }, |
| michael@0 | 22 | /* r/m == 110 */ { true, false, OS_WORD }, |
| michael@0 | 23 | /* r/m == 111 */ { false, false, OS_ZERO }, |
| michael@0 | 24 | // mod == 01 |
| michael@0 | 25 | /* r/m == 000 */ { true, false, OS_BYTE }, |
| michael@0 | 26 | /* r/m == 001 */ { true, false, OS_BYTE }, |
| michael@0 | 27 | /* r/m == 010 */ { true, false, OS_BYTE }, |
| michael@0 | 28 | /* r/m == 011 */ { true, false, OS_BYTE }, |
| michael@0 | 29 | /* r/m == 100 */ { true, false, OS_BYTE }, |
| michael@0 | 30 | /* r/m == 101 */ { true, false, OS_BYTE }, |
| michael@0 | 31 | /* r/m == 110 */ { true, false, OS_BYTE }, |
| michael@0 | 32 | /* r/m == 111 */ { true, false, OS_BYTE }, |
| michael@0 | 33 | // mod == 10 |
| michael@0 | 34 | /* r/m == 000 */ { true, false, OS_WORD }, |
| michael@0 | 35 | /* r/m == 001 */ { true, false, OS_WORD }, |
| michael@0 | 36 | /* r/m == 010 */ { true, false, OS_WORD }, |
| michael@0 | 37 | /* r/m == 011 */ { true, false, OS_WORD }, |
| michael@0 | 38 | /* r/m == 100 */ { true, false, OS_WORD }, |
| michael@0 | 39 | /* r/m == 101 */ { true, false, OS_WORD }, |
| michael@0 | 40 | /* r/m == 110 */ { true, false, OS_WORD }, |
| michael@0 | 41 | /* r/m == 111 */ { true, false, OS_WORD }, |
| michael@0 | 42 | // mod == 11 |
| michael@0 | 43 | /* r/m == 000 */ { false, false, OS_ZERO }, |
| michael@0 | 44 | /* r/m == 001 */ { false, false, OS_ZERO }, |
| michael@0 | 45 | /* r/m == 010 */ { false, false, OS_ZERO }, |
| michael@0 | 46 | /* r/m == 011 */ { false, false, OS_ZERO }, |
| michael@0 | 47 | /* r/m == 100 */ { false, false, OS_ZERO }, |
| michael@0 | 48 | /* r/m == 101 */ { false, false, OS_ZERO }, |
| michael@0 | 49 | /* r/m == 110 */ { false, false, OS_ZERO }, |
| michael@0 | 50 | /* r/m == 111 */ { false, false, OS_ZERO } |
| michael@0 | 51 | }; |
| michael@0 | 52 | |
| michael@0 | 53 | const ModrmEntry MiniDisassembler::s_ia32_modrm_map_[] = { |
| michael@0 | 54 | // mod == 00 |
| michael@0 | 55 | /* r/m == 000 */ { false, false, OS_ZERO }, |
| michael@0 | 56 | /* r/m == 001 */ { false, false, OS_ZERO }, |
| michael@0 | 57 | /* r/m == 010 */ { false, false, OS_ZERO }, |
| michael@0 | 58 | /* r/m == 011 */ { false, false, OS_ZERO }, |
| michael@0 | 59 | /* r/m == 100 */ { false, true, OS_ZERO }, |
| michael@0 | 60 | /* r/m == 101 */ { true, false, OS_DOUBLE_WORD }, |
| michael@0 | 61 | /* r/m == 110 */ { false, false, OS_ZERO }, |
| michael@0 | 62 | /* r/m == 111 */ { false, false, OS_ZERO }, |
| michael@0 | 63 | // mod == 01 |
| michael@0 | 64 | /* r/m == 000 */ { true, false, OS_BYTE }, |
| michael@0 | 65 | /* r/m == 001 */ { true, false, OS_BYTE }, |
| michael@0 | 66 | /* r/m == 010 */ { true, false, OS_BYTE }, |
| michael@0 | 67 | /* r/m == 011 */ { true, false, OS_BYTE }, |
| michael@0 | 68 | /* r/m == 100 */ { true, true, OS_BYTE }, |
| michael@0 | 69 | /* r/m == 101 */ { true, false, OS_BYTE }, |
| michael@0 | 70 | /* r/m == 110 */ { true, false, OS_BYTE }, |
| michael@0 | 71 | /* r/m == 111 */ { true, false, OS_BYTE }, |
| michael@0 | 72 | // mod == 10 |
| michael@0 | 73 | /* r/m == 000 */ { true, false, OS_DOUBLE_WORD }, |
| michael@0 | 74 | /* r/m == 001 */ { true, false, OS_DOUBLE_WORD }, |
| michael@0 | 75 | /* r/m == 010 */ { true, false, OS_DOUBLE_WORD }, |
| michael@0 | 76 | /* r/m == 011 */ { true, false, OS_DOUBLE_WORD }, |
| michael@0 | 77 | /* r/m == 100 */ { true, true, OS_DOUBLE_WORD }, |
| michael@0 | 78 | /* r/m == 101 */ { true, false, OS_DOUBLE_WORD }, |
| michael@0 | 79 | /* r/m == 110 */ { true, false, OS_DOUBLE_WORD }, |
| michael@0 | 80 | /* r/m == 111 */ { true, false, OS_DOUBLE_WORD }, |
| michael@0 | 81 | // mod == 11 |
| michael@0 | 82 | /* r/m == 000 */ { false, false, OS_ZERO }, |
| michael@0 | 83 | /* r/m == 001 */ { false, false, OS_ZERO }, |
| michael@0 | 84 | /* r/m == 010 */ { false, false, OS_ZERO }, |
| michael@0 | 85 | /* r/m == 011 */ { false, false, OS_ZERO }, |
| michael@0 | 86 | /* r/m == 100 */ { false, false, OS_ZERO }, |
| michael@0 | 87 | /* r/m == 101 */ { false, false, OS_ZERO }, |
| michael@0 | 88 | /* r/m == 110 */ { false, false, OS_ZERO }, |
| michael@0 | 89 | /* r/m == 111 */ { false, false, OS_ZERO }, |
| michael@0 | 90 | }; |
| michael@0 | 91 | |
| michael@0 | 92 | }; // namespace sidestep |
