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Update disassembler

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This commit is contained in:
Matt 2019-03-10 13:19:04 +00:00
parent 68278267e1
commit c2e130f369
1 changed files with 52 additions and 13 deletions
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65
src/core/vendor/DisassembleX86-64.mjs vendored
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@ -1,3 +1,31 @@
/*-------------------------------------------------------------------------------------------------------------------------
Created by Damian Recoskie (https://github.com/Recoskie/X86-64-Disassembler-JS)
& exported for CyberChef by Matt [me@mitt.dev]
---------------------------------------------------------------------------------------------------------------------------
MIT License
Copyright (c) 2019 Damian Recoskie
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
-------------------------------------------------------------------------------------------------------------------------*/
/*-------------------------------------------------------------------------------------------------------------------------
Binary byte code array.
---------------------------------------------------------------------------------------------------------------------------
@ -3585,7 +3613,6 @@ function NextByte()
if ( CodePos < BinCode.length ) //If not out of bounds.
{
//Convert current byte to String, and pad.
var t;
( ( t = BinCode[CodePos++].toString(16) ).length === 1) && ( t = "0" + t );
@ -4017,21 +4044,33 @@ function DecodeImmediate( type, BySize, SizeSetting )
Pad32 = ( Math.min( BitMode, 1 ) << 2 ) + 4; Pad64 = Math.max( Math.min( BitMode, 2 ), 1 ) << 3;
//Add the 32 bit section to V32.
//Carry bit to 64 bit section.
var C64 = 0;
//Relative size.
var n = Math.min( 0x100000000, Math.pow( 2, 4 << ( S + 1 ) ) );
//Sing bit adjust.
if( V32 >= ( n >> 1 ) ) { V32 -= n; }
//Add position.
V32 += Pos32;
//Remove carry bit and add it to C64.
var C64 = 0; V32 += Pos32;
( C64 = ( ( V32 ) >= 0x100000000 ) ) && ( V32 -= 0x100000000 );
//Do not carry to 64 if address is 32, and below.
if ( S <= 2 ) { C64 = false; }
//If bit mode is 16 bits only the first 16 bits are used, or if Size Attribute is 16 bit.
//Add the 64 bit position plus carry.
( BitMode <= 0 || SizeAttrSelect <= 0 ) && ( V32 &= 0xFFFF );
//Adjust the 32 bit relative address section if it was not cropped to 16 bit's.
( C64 = ( ( V32 ) > 0xFFFFFFFF ) ) && ( V32 -= 0x100000000 );
//Add the 64 bit address section if in 64 bit mode, or higher.
( BitMode >= 2 ) && ( ( V64 += Pos64 + C64 ) > 0xFFFFFFFF ) && ( V64 -= 0x100000000 );
( ( V64 += Pos64 + C64 ) > 0xFFFFFFFF ) && ( V64 -= 0x100000000 );
}
/*---------------------------------------------------------------------------------------------------------------------------