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/*++
*
* WOW v1.0
*
* Copyright (c) 1991, 1992, 1993 Microsoft Corporation
*
* WOWTBL.C
* WOW32 API thunks
*
* The reason for having one huge table is so the thunks can be dispatched
* faster. When in separate tables, you had to do shifting and
* multiplication to derive the thunk routine from the function ID.
*
*
* History:
* barry bradie (barryb) 1-dec-92 combined individual tables
--*/
#include "precomp.h"
#pragma hdrstop
MODNAME(wowtbl.c);
//
// DON'T CHANGE THE ORDER IN WHICH THESE FILES ARE INCLUDED!
//
// see W32GetTableOffsets (wow32.c) and kernel31\kdata.asm
//
W32 aw32WOW[] = {
#include "wktbl2.h"
{W32FUN((LPFNW32)-1, "TABLESEPARATOR", 0, 0)},
#include "wutbl2.h"
{W32FUN((LPFNW32)-1, "TABLESEPARATOR", 0, 0)},
#include "wgtbl2.h"
{W32FUN((LPFNW32)-1, "TABLESEPARATOR", 0, 0)},
#include "wkbdtbl2.h"
{W32FUN((LPFNW32)-1, "TABLESEPARATOR", 0, 0)},
#include "wstbl2.h"
{W32FUN((LPFNW32)-1, "TABLESEPARATOR", 0, 0)},
#include "wshtbl2.h"
{W32FUN((LPFNW32)-1, "TABLESEPARATOR", 0, 0)},
#include "wwstbl2.h"
{W32FUN((LPFNW32)-1, "TABLESEPARATOR", 0, 0)},
#include "wthtbl2.h"
{W32FUN((LPFNW32)-1, "TABLESEPARATOR", 0, 0)},
#include "wmmtbl2.h"
{W32FUN((LPFNW32)-1, "TABLESEPARATOR", 0, 0)},
#include "wcmdgtbl.h"
{W32FUN((LPFNW32)-1, "TABLESEPARATOR", 0, 0)}
};
TABLEOFFSETS tableoffsets;
#ifdef DEBUG_OR_WOWPROFILE
INT cAPIThunks;
#endif
#ifdef WOWPROFILE
PW32 pawThunkTable = aw32WOW;
#endif
VOID InitThunkTableOffsets(VOID)
{
UINT current;
WORD offsetarray[(MOD_LAST - MOD_KERNEL) / FUN_MASK + 1];
UINT i;
for (current = 0; current < sizeof(aw32WOW)/sizeof(aw32WOW[0]); current++) {
if (current == 0) {
i = 0;
offsetarray[i++] = current;
}
else if (aw32WOW[current].lpfnW32 == (LPFNW32)-1) {
offsetarray[i++] = current + 1;
}
}
tableoffsets.kernel =
tableoffsets.dkernel = offsetarray[MOD_KERNEL / FUN_MASK];
tableoffsets.user =
tableoffsets.duser = offsetarray[MOD_USER / FUN_MASK];
tableoffsets.gdi =
tableoffsets.dgdi = offsetarray[MOD_GDI / FUN_MASK];
tableoffsets.keyboard = offsetarray[MOD_KEYBOARD / FUN_MASK];
tableoffsets.sound = offsetarray[MOD_SOUND / FUN_MASK];
tableoffsets.shell = offsetarray[MOD_SHELL / FUN_MASK];
tableoffsets.winsock = offsetarray[MOD_WINSOCK / FUN_MASK];
tableoffsets.toolhelp = offsetarray[MOD_TOOLHELP / FUN_MASK];
tableoffsets.mmedia = offsetarray[MOD_MMEDIA / FUN_MASK];
tableoffsets.commdlg = offsetarray[MOD_COMMDLG / FUN_MASK];
#ifdef DEBUG_OR_WOWPROFILE
cAPIThunks = sizeof(aw32WOW) / sizeof(aw32WOW[0]);
#endif
}
#ifdef DEBUG_OR_WOWPROFILE
INT ModFromCallID(INT iFun)
{
PTABLEOFFSETS pto = &tableoffsets;
if (iFun < pto->user)
return MOD_KERNEL;
if (iFun < pto->gdi)
return MOD_USER;
if (iFun < pto->keyboard)
return MOD_GDI;
if (iFun < pto->sound)
return MOD_KEYBOARD;
if (iFun < pto->shell)
return MOD_SOUND;
if (iFun < pto->winsock)
return MOD_SHELL;
if (iFun < pto->toolhelp)
return MOD_WINSOCK;
if (iFun < pto->mmedia)
return MOD_TOOLHELP;
if (iFun < pto->commdlg) {
return(MOD_MMEDIA);
}
if (iFun < cAPIThunks)
return MOD_COMMDLG;
return -1;
}
PSZ apszModNames[] = { "Kernel",
"User",
"Gdi",
"Keyboard",
"Sound",
"Shell",
"Winsock",
"Toolhelp",
"MMedia",
"Commdlg"
};
INT nModNames = NUMEL(apszModNames);
PSZ GetModName(INT iFun)
{
INT nMod;
nMod = ModFromCallID(iFun);
if (nMod == -1) {
return "BOGUS!!";
}
nMod = nMod >> 12; // get the value into the low byte
return apszModNames[nMod];
}
INT GetOrdinal(INT iFun)
{
INT nMod;
nMod = ModFromCallID(iFun);
if (nMod == -1) {
return 0;
}
return (iFun - TableOffsetFromName(apszModNames[nMod >> 12]));
}
INT TableOffsetFromName(PSZ szTab)
{
INT i;
PTABLEOFFSETS pto = &tableoffsets;
for (i = 0; i < NUMEL(apszModNames); i++) {
if (!strcmp(szTab, apszModNames[i]))
break;
}
if (i >= NUMEL(apszModNames))
return 0;
switch (i << 12) {
case MOD_KERNEL:
return pto->kernel;
case MOD_USER:
return pto->user;
case MOD_DGDI:
return pto->gdi;
case MOD_KEYBOARD:
return pto->keyboard;
case MOD_SOUND:
return pto->sound;
case MOD_SHELL:
return pto->shell;
case MOD_WINSOCK:
return pto->winsock;
case MOD_TOOLHELP:
return pto->toolhelp;
case MOD_MMEDIA:
return pto->mmedia;
case MOD_COMMDLG:
return(pto->commdlg);
default:
return(-1);
}
}
#endif
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