sandbox/win/src/sidestep/ia32_modrm_map.cpp - Issue 1851213002: Remove sandbox on Windows.

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Issue 1851213002: Remove sandbox on Windows. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: fix nacl compile issues Created 4 years, 8 months ago

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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.

2 // Use of this source code is governed by a BSD-style license that can be

3 // found in the LICENSE file.

4

5 // Table of relevant information about how to decode the ModR/M byte.

6 // Based on information in the IA-32 Intel Architecture

7 // Software Developer's Manual Volume 2: Instruction Set Reference.

8

9 #include "sandbox/win/src/sidestep/mini_disassembler.h"

10 #include "sandbox/win/src/sidestep/mini_disassembler_types.h"

11

12 namespace sidestep {

13

14 const ModrmEntry MiniDisassembler::s_ia16_modrm_map_[] = {

15 // mod == 00

16 /* r/m == 000 */ { false, false, OS_ZERO },

17 /* r/m == 001 */ { false, false, OS_ZERO },

18 /* r/m == 010 */ { false, false, OS_ZERO },

19 /* r/m == 011 */ { false, false, OS_ZERO },

20 /* r/m == 100 */ { false, false, OS_ZERO },

21 /* r/m == 101 */ { false, false, OS_ZERO },

22 /* r/m == 110 */ { true, false, OS_WORD },

23 /* r/m == 111 */ { false, false, OS_ZERO },

24 // mod == 01

25 /* r/m == 000 */ { true, false, OS_BYTE },

26 /* r/m == 001 */ { true, false, OS_BYTE },

27 /* r/m == 010 */ { true, false, OS_BYTE },

28 /* r/m == 011 */ { true, false, OS_BYTE },

29 /* r/m == 100 */ { true, false, OS_BYTE },

30 /* r/m == 101 */ { true, false, OS_BYTE },

31 /* r/m == 110 */ { true, false, OS_BYTE },

32 /* r/m == 111 */ { true, false, OS_BYTE },

33 // mod == 10

34 /* r/m == 000 */ { true, false, OS_WORD },

35 /* r/m == 001 */ { true, false, OS_WORD },

36 /* r/m == 010 */ { true, false, OS_WORD },

37 /* r/m == 011 */ { true, false, OS_WORD },

38 /* r/m == 100 */ { true, false, OS_WORD },

39 /* r/m == 101 */ { true, false, OS_WORD },

40 /* r/m == 110 */ { true, false, OS_WORD },

41 /* r/m == 111 */ { true, false, OS_WORD },

42 // mod == 11

43 /* r/m == 000 */ { false, false, OS_ZERO },

44 /* r/m == 001 */ { false, false, OS_ZERO },

45 /* r/m == 010 */ { false, false, OS_ZERO },

46 /* r/m == 011 */ { false, false, OS_ZERO },

47 /* r/m == 100 */ { false, false, OS_ZERO },

48 /* r/m == 101 */ { false, false, OS_ZERO },

49 /* r/m == 110 */ { false, false, OS_ZERO },

50 /* r/m == 111 */ { false, false, OS_ZERO }

51 };

52

53 const ModrmEntry MiniDisassembler::s_ia32_modrm_map_[] = {

54 // mod == 00

55 /* r/m == 000 */ { false, false, OS_ZERO },

56 /* r/m == 001 */ { false, false, OS_ZERO },

57 /* r/m == 010 */ { false, false, OS_ZERO },

58 /* r/m == 011 */ { false, false, OS_ZERO },

59 /* r/m == 100 */ { false, true, OS_ZERO },

60 /* r/m == 101 */ { true, false, OS_DOUBLE_WORD },

61 /* r/m == 110 */ { false, false, OS_ZERO },

62 /* r/m == 111 */ { false, false, OS_ZERO },

63 // mod == 01

64 /* r/m == 000 */ { true, false, OS_BYTE },

65 /* r/m == 001 */ { true, false, OS_BYTE },

66 /* r/m == 010 */ { true, false, OS_BYTE },

67 /* r/m == 011 */ { true, false, OS_BYTE },

68 /* r/m == 100 */ { true, true, OS_BYTE },

69 /* r/m == 101 */ { true, false, OS_BYTE },

70 /* r/m == 110 */ { true, false, OS_BYTE },

71 /* r/m == 111 */ { true, false, OS_BYTE },

72 // mod == 10

73 /* r/m == 000 */ { true, false, OS_DOUBLE_WORD },

74 /* r/m == 001 */ { true, false, OS_DOUBLE_WORD },

75 /* r/m == 010 */ { true, false, OS_DOUBLE_WORD },

76 /* r/m == 011 */ { true, false, OS_DOUBLE_WORD },

77 /* r/m == 100 */ { true, true, OS_DOUBLE_WORD },

78 /* r/m == 101 */ { true, false, OS_DOUBLE_WORD },

79 /* r/m == 110 */ { true, false, OS_DOUBLE_WORD },

80 /* r/m == 111 */ { true, false, OS_DOUBLE_WORD },

81 // mod == 11

82 /* r/m == 000 */ { false, false, OS_ZERO },

83 /* r/m == 001 */ { false, false, OS_ZERO },

84 /* r/m == 010 */ { false, false, OS_ZERO },

85 /* r/m == 011 */ { false, false, OS_ZERO },

86 /* r/m == 100 */ { false, false, OS_ZERO },

87 /* r/m == 101 */ { false, false, OS_ZERO },

88 /* r/m == 110 */ { false, false, OS_ZERO },

89 /* r/m == 111 */ { false, false, OS_ZERO },

90 };

91

92 }; // namespace sidestep

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