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130 lines
5.3 KiB
PHP
130 lines
5.3 KiB
PHP
// **************************************************************************************************
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// Part of x86 Instruction Decode Library [InstDecode]
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//
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// https://github.com/MahdiSafsafi/DDetours
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//
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// This Source Code Form is subject to the terms of the Mozilla
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// Public License, v. 2.0. If a copy of the MPL was not distributed
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// with this file, You can obtain one at
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// https://mozilla.org/MPL/2.0/.
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// **************************************************************************************************
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{ Reference : Intel® 64 and IA-32 Architectures Software Developer’s Manual Vol 2 }
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type
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TModRmFlagsArray = array [Byte] of Byte;
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PModRmFlagsArray = ^TModRmFlagsArray;
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{
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ModRMFlags :
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Bits:4 3 2 1 0 .
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Bit 0 : Set ==> Register Indirect Addressing Mode .
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Bit 1 : Set ==> Displacement 8 bit .
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Bit 2 : Set ==> Displacement 16 bit .
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Bit 3 : Set ==> Displacement 32 bit.
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Bit 4 : Set ==> SIB Used .
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Values:
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$00 ==> Register .
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$01 ==> Register Indirect Addressing Mode with No Displacement .
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$03 ==> Register Indirect Addressing Mode + 8 bit Displacement .
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$04 ==> 16 bit Displacement only without register .
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$05 ==> Register Indirect Addressing Mode + 16 bit Displacement .
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$08 ==> 32 bit Displacement only without register .
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$09 ==> Register Indirect Addressing Mode + 32 bit Displacement .
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$11 ==> Register Indirect Addressing Mode + SIB .
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$13 ==> Register Indirect Addressing Mode + SIB + 8 bit Displacement .
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$19 ==> Register Indirect Addressing Mode + SIB + 32 bit Displacement .
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}
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const
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ModRM16Flags: TModRmFlagsArray = (
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{ => Mod=00b <= }
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$01, $01, $01, $01, $01, $01, $04, $01, { 00 }
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$01, $01, $01, $01, $01, $01, $04, $01, { 00 }
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$01, $01, $01, $01, $01, $01, $04, $01, { 00 }
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$01, $01, $01, $01, $01, $01, $04, $01, { 00 }
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$01, $01, $01, $01, $01, $01, $04, $01, { 00 }
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$01, $01, $01, $01, $01, $01, $04, $01, { 00 }
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$01, $01, $01, $01, $01, $01, $04, $01, { 00 }
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$01, $01, $01, $01, $01, $01, $04, $01, { 00 }
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{ => Mod=01b <= }
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$03, $03, $03, $03, $03, $03, $03, $03, { 01 }
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$03, $03, $03, $03, $03, $03, $03, $03, { 01 }
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$03, $03, $03, $03, $03, $03, $03, $03, { 01 }
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$03, $03, $03, $03, $03, $03, $03, $03, { 01 }
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$03, $03, $03, $03, $03, $03, $03, $03, { 01 }
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$03, $03, $03, $03, $03, $03, $03, $03, { 01 }
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$03, $03, $03, $03, $03, $03, $03, $03, { 01 }
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$03, $03, $03, $03, $03, $03, $03, $03, { 01 }
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{ => Mod=10b <= }
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$05, $05, $05, $05, $05, $05, $05, $05, { 10 }
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$05, $05, $05, $05, $05, $05, $05, $05, { 10 }
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$05, $05, $05, $05, $05, $05, $05, $05, { 10 }
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$05, $05, $05, $05, $05, $05, $05, $05, { 10 }
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$05, $05, $05, $05, $05, $05, $05, $05, { 10 }
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$05, $05, $05, $05, $05, $05, $05, $05, { 10 }
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$05, $05, $05, $05, $05, $05, $05, $05, { 10 }
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$05, $05, $05, $05, $05, $05, $05, $05, { 10 }
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{ => Mod=11b <= }
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$00, $00, $00, $00, $00, $00, $00, $00, { 11 }
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$00, $00, $00, $00, $00, $00, $00, $00, { 11 }
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$00, $00, $00, $00, $00, $00, $00, $00, { 11 }
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$00, $00, $00, $00, $00, $00, $00, $00, { 11 }
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$00, $00, $00, $00, $00, $00, $00, $00, { 11 }
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$00, $00, $00, $00, $00, $00, $00, $00, { 11 }
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$00, $00, $00, $00, $00, $00, $00, $00, { 11 }
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$00, $00, $00, $00, $00, $00, $00, $00 { 11 }
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);
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ModRM32Flags: TModRmFlagsArray = (
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{ => Mod=00b <= }
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$01, $01, $01, $01, $11, $08, $01, $01, { 00 }
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$01, $01, $01, $01, $11, $08, $01, $01, { 00 }
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$01, $01, $01, $01, $11, $08, $01, $01, { 00 }
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$01, $01, $01, $01, $11, $08, $01, $01, { 00 }
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$01, $01, $01, $01, $11, $08, $01, $01, { 00 }
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$01, $01, $01, $01, $11, $08, $01, $01, { 00 }
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$01, $01, $01, $01, $11, $08, $01, $01, { 00 }
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$01, $01, $01, $01, $11, $08, $01, $01, { 00 }
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{ => Mod=01b <= }
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$03, $03, $03, $03, $13, $03, $03, $03, { 01 }
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$03, $03, $03, $03, $13, $03, $03, $03, { 01 }
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$03, $03, $03, $03, $13, $03, $03, $03, { 01 }
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$03, $03, $03, $03, $13, $03, $03, $03, { 01 }
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$03, $03, $03, $03, $13, $03, $03, $03, { 01 }
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$03, $03, $03, $03, $13, $03, $03, $03, { 01 }
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$03, $03, $03, $03, $13, $03, $03, $03, { 01 }
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$03, $03, $03, $03, $13, $03, $03, $03, { 01 }
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{ => Mod=10b <= }
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$09, $09, $09, $09, $19, $09, $09, $09, { 10 }
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$09, $09, $09, $09, $19, $09, $09, $09, { 10 }
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$09, $09, $09, $09, $19, $09, $09, $09, { 10 }
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$09, $09, $09, $09, $19, $09, $09, $09, { 10 }
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$09, $09, $09, $09, $19, $09, $09, $09, { 10 }
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$09, $09, $09, $09, $19, $09, $09, $09, { 10 }
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$09, $09, $09, $09, $19, $09, $09, $09, { 10 }
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$09, $09, $09, $09, $19, $09, $09, $09, { 10 }
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{ => Mod=11b <= }
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$00, $00, $00, $00, $00, $00, $00, $00, { 11 }
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$00, $00, $00, $00, $00, $00, $00, $00, { 11 }
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$00, $00, $00, $00, $00, $00, $00, $00, { 11 }
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$00, $00, $00, $00, $00, $00, $00, $00, { 11 }
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$00, $00, $00, $00, $00, $00, $00, $00, { 11 }
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$00, $00, $00, $00, $00, $00, $00, $00, { 11 }
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$00, $00, $00, $00, $00, $00, $00, $00, { 11 }
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$00, $00, $00, $00, $00, $00, $00, $00 { 11 }
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);
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ModRmFlags: array [0 .. 3] of PModRmFlagsArray = ( //
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nil,
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@ModRM16Flags, { AddrMode 16-bits }
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@ModRM32Flags, { AddrMode 32-bits }
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@ModRM32Flags { AddrMode 64-bits }
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); |