uzix/KernelEx
1
0
Fork 0
mirror of https://github.com/UzixLS/KernelEx.git synced 2025-07-19 07:21:20 +03:00
Code Issues Projects Releases Wiki Activity

import KernelEx-4.0-RC1

Browse Source
This commit is contained in:
UzixLS
2018-11-03 16:18:57 +03:00
commit d4e0420295
295 changed files with 28034 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

106
core/thunks.cpp Normal file
View File

@ -0,0 +1,106 @@
/*
* KernelEx
* Copyright (C) 2008-2009, Xeno86
*
* This file is part of KernelEx source code.
*
* KernelEx is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published
* by the Free Software Foundation; version 2 of the License.
*
* KernelEx is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Make; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include <windows.h>
#include "thunks.h"
#include "internals.h"
#include "resolver.h"
__declspec(naked)
PROC ExportFromOrdinalStatic_thunk(IMAGE_NT_HEADERS* PEh, WORD ordinal)
{
__asm {
mov eax, [ebp-4Ch] //tested w98fe 1998, w98se 2222, w98se 2226, wme 3000
mov ecx, [eax]
mov ax, [ecx+10h]
movzx eax, ax
mov edx, ppmteModTable
mov edx, [edx]
mov eax, [edx+4*eax]
push eax //target IMTE
push dword ptr [esp+4] //return address
mov eax, [ebp+8]
mov [esp+8], eax //caller MODREF
lea eax, [ebp-4Ch]
mov dword ptr [esp+12], eax
jmp ExportFromOrdinal
}
}
__declspec(naked)
PROC ExportFromNameStatic_thunk(IMAGE_NT_HEADERS* PEh, WORD hint, LPCSTR name)
{
__asm {
mov eax, [ebp-4Ch] //tested w98fe 1998, w98se 2222, w98se 2226, wme 3000
mov ecx, [eax]
mov ax, [ecx+10h]
movzx eax, ax
mov edx, ppmteModTable
mov edx, [edx]
mov eax, [edx+4*eax]
push eax //target IMTE
push dword ptr [esp+4] //return address
mov eax, [ebp+8]
mov [esp+8], eax //caller MODREF
lea eax, [ebp-4Ch]
mov dword ptr [esp+12], eax
jmp ExportFromName
}
}
/* stack on entry:
* ret_addr
* PEh
* ordinal
* edi
* esi
* ebx
* caller_addr
*/
__declspec(naked)
PROC ExportFromOrdinalDynamic_thunk(IMAGE_NT_HEADERS* PEh, WORD ordinal)
{
__asm {
push edx //target IMTE
push dword ptr [esp+4]
push dword ptr [esp+20h] //tested w98se 2225
call MRfromCallerAddr
add esp, 4
mov [esp+8], eax //caller MODREF
mov dword ptr [esp+12], 0
jmp ExportFromOrdinal
}
}
__declspec(naked)
PROC ExportFromNameDynamic_thunk(IMAGE_NT_HEADERS* PEh, WORD hint, LPCSTR name)
{
__asm {
push edx //target IMTE
push dword ptr [esp+4]
push dword ptr [esp+24h] //tested w98se 2225
call MRfromCallerAddr
add esp, 4
mov [esp+8], eax //caller MODREF
mov dword ptr [esp+12], 0
jmp ExportFromName
}
}