//Asper
char a_libdir[43] = "/sys/lib/\0";
//proc dll.Load, import_table:dword
int dll_Load(dword import_table)
{
$mov esi, import_table
@next_lib: $mov edx, DSDWORD[esi]
$or edx,edx
$jz exit_
$push esi
$mov esi,DSDWORD[esi+4]
$mov edi,#a_libdir
$push edi
$push esi
EAX=strlen(#a_libdir);
$pop esi
$pop edi
$add edi, eax //9
@loc01: $lodsb
$stosb
$or al,al
$jnz loc01
//IntToStr(EBX);
//$push edx
//WriteDebug(#a_libdir);
//$pop edx
//mcall 68,19,a_libdir
$mov eax, 68
$mov ebx, 19
$mov ecx,#a_libdir
$int 0x40
$or eax,eax
$jz fail
//stdcall dll.Link,eax,edx
dll_Link(EAX, EDX);
$push eax
$mov eax, DSDWORD [eax]
$cmp DSDWORD [eax], 'lib_'
$pop eax
//$jnz loc02
//IntToStr(EBX);
//$push eax
//WriteDebug(DSDWORD[EAX]);
//$pop eax
//stdcall dll.Init,[eax+4]
//dll_Init(DSDWORD[EAX]); //dll_Init(DSDWORD[EAX+4]);
@loc02:
$pop esi
$add esi,8
$jmp next_lib
@exit_: $xor eax,eax
return 0;
@fail: $add esp,4
$xor eax,eax
$inc eax
return -1;
}
//proc dll.Link, exp:dword,imp:dword
void dll_Link(dword exp, imp)
{
$push eax
$mov esi, imp
$test esi, esi
$jz done
@next: $lodsd
$test eax,eax
$jz done
//stdcall dll.GetProcAddress,[exp],eax
dll_GetProcAddress(exp,EAX);
$or eax,eax
$jz loc03
$mov DSDWORD[esi-4],eax
$jmp next
@loc03:
$mov DSDWORD[esp],0
@done: $pop eax
}
//proc dll.Init, dllentry:dword
void dll_Init(dword dllentry)
{
$pushad
EAX=#mem_Alloc;
EBX=#mem_Free;
ECX=#mem_ReAlloc;
EDX=#dll_Load;
DSDWORD [dllentry+4] stdcall ();
$popad
}
//proc dll.GetProcAddress, exp:dword,sz_name:dword
dword dll_GetProcAddress(dword exp, sz_name)
{
$push esi
$mov edx, exp
$xor eax,eax
@next: $or edx,edx
$jz end_
$cmp edx,0
$jz end_
strcmp(DSDWORD[EDX],sz_name);
$test eax,eax
$jz ok
$add edx,8
$jmp next
@ok:
$mov eax, DSDWORD[edx+4]
@end_:
$pop esi
return EAX;
}
int load_dll2(dword dllname, import_table, byte need_init)
{
//dword dllentry=0;
// load DLL
$mov eax, 68
$mov ebx, 19
ECX=dllname;
$int 0x40
$test eax, eax
$jz exit01
// initialize import
$mov edx,eax
ESI=import_table;
@import_loop01:
$lodsd
$test eax,eax
$jz import_done01
$push edx
@import_find01:
$mov ebx,DSDWORD[EDX]
$test ebx, ebx
$jz exit01
$push eax
@nex101:
$mov cl,DSBYTE[EAX];
$cmp cl,DSBYTE[EBX];
$jnz import_find_next01
$test cl,cl
$jz import_found01
$inc eax
$inc ebx
$jmp nex101
@import_find_next01:
$pop eax
$add edx, 8
$jmp import_find01
@import_found01:
$pop eax
$mov eax,DSDWORD[edx+4]
$mov DSDWORD[esi-4],eax
$pop edx
$jmp import_loop01
@import_done01:
IF (need_init) dll_Init(EDX);
return 0;
@exit01:
return -1;
}