728 lines
17 KiB
C
728 lines
17 KiB
C
|
/* demmisc.c - Misc. SVC routines
|
||
|
|
*
|
||
|
|
* demLoadDos
|
||
|
|
*
|
||
|
|
* Modification History:
|
||
|
|
*
|
||
|
|
* Sudeepb 31-Mar-1991 Created
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "dem.h"
|
||
|
|
#include "demmsg.h"
|
||
|
|
// #include "demdasd.h"
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <string.h>
|
||
|
|
#include <softpc.h>
|
||
|
|
#include <mvdm.h>
|
||
|
|
#include <dbgsvc.h>
|
||
|
|
#include <nt_vdd.h>
|
||
|
|
|
||
|
|
|
||
|
|
#if DEVL
|
||
|
|
// int 21h func names
|
||
|
|
// index off of function number in ah
|
||
|
|
char *scname[] = {
|
||
|
|
"Terminate Program",
|
||
|
|
"Read Kbd with Echo",
|
||
|
|
"Display Character",
|
||
|
|
"Auxillary Input",
|
||
|
|
"Auxillary Output",
|
||
|
|
"Print Character",
|
||
|
|
"Direct Con Output",
|
||
|
|
"Direct Con Input",
|
||
|
|
"Read Kbd without Echo",
|
||
|
|
"Display String",
|
||
|
|
"Read String",
|
||
|
|
"Check Keyboard Status",
|
||
|
|
"Flush Buffer,Read Kbd",
|
||
|
|
"Reset Drive",
|
||
|
|
"Set Default Drive",
|
||
|
|
"FCB Open",
|
||
|
|
"FCB Close",
|
||
|
|
"FCB Find First",
|
||
|
|
"FCB Find Next",
|
||
|
|
"FCB Delete",
|
||
|
|
"FCB Seq Read",
|
||
|
|
"FCB Seq Write",
|
||
|
|
"FCB Create",
|
||
|
|
"FCB Rename",
|
||
|
|
"18h??",
|
||
|
|
"Get Default Drive",
|
||
|
|
"Set Disk Transfer Addr",
|
||
|
|
"Get Default Drive Data",
|
||
|
|
"Get Drive Data",
|
||
|
|
"1Dh??",
|
||
|
|
"1Eh??",
|
||
|
|
"Get Default DPB",
|
||
|
|
"20h??",
|
||
|
|
"FCB Random Read",
|
||
|
|
"FCB Random Write",
|
||
|
|
"FCB Get File Size",
|
||
|
|
"FCB Set Random Record",
|
||
|
|
"Set Interrupt Vector",
|
||
|
|
"Create Process Data Block",
|
||
|
|
"FCB Random Read Block",
|
||
|
|
"FCB Random Write Block",
|
||
|
|
"FCB Parse File Name",
|
||
|
|
"Get Date",
|
||
|
|
"Set Date",
|
||
|
|
"Get Time",
|
||
|
|
"Set Time",
|
||
|
|
"SetReset Write Verify",
|
||
|
|
"Get Disk Transefr Addr",
|
||
|
|
"Get Version Number",
|
||
|
|
"Keep Process",
|
||
|
|
"Get Drive Parameters",
|
||
|
|
"GetSet CTRL C",
|
||
|
|
"Get InDOS Flag",
|
||
|
|
"Get Interrupt Vector",
|
||
|
|
"Get Disk Free Space",
|
||
|
|
"Char Oper",
|
||
|
|
"GetSet Country Info",
|
||
|
|
"Make Dir",
|
||
|
|
"Remove Dir",
|
||
|
|
"Change DirDir",
|
||
|
|
"Create File",
|
||
|
|
"Open File",
|
||
|
|
"Close File",
|
||
|
|
"Read File",
|
||
|
|
"Write File",
|
||
|
|
"Delete File",
|
||
|
|
"Move File Ptr",
|
||
|
|
"GetSet File Attr",
|
||
|
|
"IOCTL",
|
||
|
|
"Dup File Handle",
|
||
|
|
"Force Dup Handle",
|
||
|
|
"Get Current Dir",
|
||
|
|
"Alloc Mem",
|
||
|
|
"Free Mem",
|
||
|
|
"Realloc Mem",
|
||
|
|
"Exec Process",
|
||
|
|
"Exit Process",
|
||
|
|
"Get Child Process Exit Code",
|
||
|
|
"Find First",
|
||
|
|
"Find Next",
|
||
|
|
"Set Current PSP",
|
||
|
|
"Get Current PSP",
|
||
|
|
"Get In Vars",
|
||
|
|
"Set DPB",
|
||
|
|
"Get Verify On Write",
|
||
|
|
"Dup PDB",
|
||
|
|
"Rename File",
|
||
|
|
"GetSet File Date and Time",
|
||
|
|
"Allocation Strategy",
|
||
|
|
"Get Extended Error",
|
||
|
|
"Create Temp File",
|
||
|
|
"Create New File",
|
||
|
|
"LockUnlock File",
|
||
|
|
"SetExtendedErrorNetwork-ServerCall",
|
||
|
|
"Network-UserOper",
|
||
|
|
"Network-AssignOper",
|
||
|
|
"xNameTrans",
|
||
|
|
"PathParse",
|
||
|
|
"GetCurrentPSP",
|
||
|
|
"ECS CALL",
|
||
|
|
"Set Printer Flag",
|
||
|
|
"Extended Country Info",
|
||
|
|
"GetSet CodePage",
|
||
|
|
"Set Max Handle",
|
||
|
|
"Commit File",
|
||
|
|
"GetSetMediaID",
|
||
|
|
"6ah??",
|
||
|
|
"IFS IOCTL",
|
||
|
|
"Extended OpenCreate",
|
||
|
|
"6d??",
|
||
|
|
"6e??",
|
||
|
|
"6f??",
|
||
|
|
"70??",
|
||
|
|
"LFN API"
|
||
|
|
};
|
||
|
|
#endif
|
||
|
|
|
||
|
|
extern BOOL IsFirstCall;
|
||
|
|
|
||
|
|
extern void nt_floppy_release_lock(void);
|
||
|
|
|
||
|
|
LPSTR pszBIOSDirectory;
|
||
|
|
|
||
|
|
// internal func prototype
|
||
|
|
BOOL IsDebuggee(void);
|
||
|
|
void SignalSegmentNotice(WORD wType,
|
||
|
|
WORD wModuleSeg,
|
||
|
|
WORD wLoadSeg,
|
||
|
|
WORD wNewSeg,
|
||
|
|
LPSTR lpName,
|
||
|
|
DWORD dwImageLen );
|
||
|
|
|
||
|
|
#if defined(NEC_98)
|
||
|
|
BYTE DemBreakFunc = 0xff;
|
||
|
|
#endif // NEC_98
|
||
|
|
|
||
|
|
/* demLoadDos - Load NTDOS.SYS.
|
||
|
|
*
|
||
|
|
* This SVC is made by NTIO.SYS to load NTDOS.SYS.
|
||
|
|
*
|
||
|
|
* Entry - Client (DI) - Load Segment
|
||
|
|
*
|
||
|
|
* Exit - SUCCESS returns
|
||
|
|
* FAILURE Kills the VDM
|
||
|
|
*/
|
||
|
|
VOID demLoadDos (VOID)
|
||
|
|
{
|
||
|
|
PBYTE pbLoadAddr;
|
||
|
|
HANDLE hfile;
|
||
|
|
DWORD BytesRead;
|
||
|
|
#ifdef FE_SB
|
||
|
|
LANGID LcId = GetSystemDefaultLangID();
|
||
|
|
#endif //FE_SB
|
||
|
|
|
||
|
|
// get linear address where ntdos.sys will be loaded
|
||
|
|
pbLoadAddr = (PBYTE) GetVDMAddr(getDI(),0);
|
||
|
|
|
||
|
|
// set up BIOS path string
|
||
|
|
if(DbgIsDebuggee() &&
|
||
|
|
((pszBIOSDirectory = (PCHAR)malloc (strlen (pszDefaultDOSDirectory) +
|
||
|
|
1 + sizeof(NTIO_409) + sizeof(NTIO_411) + 1 )) != NULL)) {
|
||
|
|
strcpy (pszBIOSDirectory, pszDefaultDOSDirectory);
|
||
|
|
#ifdef FE_SB
|
||
|
|
switch (LcId) {
|
||
|
|
case MAKELANGID(LANG_JAPANESE,SUBLANG_DEFAULT):
|
||
|
|
strcat (pszBIOSDirectory,NTIO_411);
|
||
|
|
break;
|
||
|
|
case MAKELANGID(LANG_KOREAN,SUBLANG_DEFAULT):
|
||
|
|
strcat (pszBIOSDirectory,NTIO_412);
|
||
|
|
break;
|
||
|
|
case MAKELANGID(LANG_CHINESE,SUBLANG_CHINESE_TRADITIONAL):
|
||
|
|
strcat (pszBIOSDirectory,NTIO_404);
|
||
|
|
break;
|
||
|
|
case MAKELANGID(LANG_CHINESE,SUBLANG_CHINESE_SIMPLIFIED):
|
||
|
|
case MAKELANGID(LANG_CHINESE,SUBLANG_CHINESE_HONGKONG):
|
||
|
|
strcat (pszBIOSDirectory,NTIO_804);
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
strcat (pszBIOSDirectory,NTIO_409);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
strcat (pszBIOSDirectory,"\\ntio.sys");
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
// prepare the dos file name
|
||
|
|
#ifdef FE_SB
|
||
|
|
switch (LcId)
|
||
|
|
{
|
||
|
|
case MAKELANGID(LANG_JAPANESE,SUBLANG_DEFAULT):
|
||
|
|
strcat (pszDefaultDOSDirectory,NTDOS_411);
|
||
|
|
break;
|
||
|
|
case MAKELANGID(LANG_KOREAN,SUBLANG_DEFAULT):
|
||
|
|
strcat (pszDefaultDOSDirectory,NTDOS_412);
|
||
|
|
break;
|
||
|
|
case MAKELANGID(LANG_CHINESE,SUBLANG_CHINESE_TRADITIONAL):
|
||
|
|
strcat (pszDefaultDOSDirectory,NTDOS_404);
|
||
|
|
break;
|
||
|
|
case MAKELANGID(LANG_CHINESE,SUBLANG_CHINESE_SIMPLIFIED):
|
||
|
|
case MAKELANGID(LANG_CHINESE,SUBLANG_CHINESE_HONGKONG):
|
||
|
|
strcat (pszDefaultDOSDirectory,NTDOS_804);
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
strcat (pszDefaultDOSDirectory,NTDOS_409);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
strcat (pszDefaultDOSDirectory,"\\ntdos.sys");
|
||
|
|
#endif
|
||
|
|
|
||
|
|
hfile = CreateFileOem(pszDefaultDOSDirectory,
|
||
|
|
GENERIC_READ,
|
||
|
|
FILE_SHARE_READ,
|
||
|
|
NULL,
|
||
|
|
OPEN_EXISTING,
|
||
|
|
FILE_ATTRIBUTE_NORMAL,
|
||
|
|
NULL );
|
||
|
|
|
||
|
|
if (hfile == (HANDLE)0xffffffff) {
|
||
|
|
TerminateVDM();
|
||
|
|
}
|
||
|
|
|
||
|
|
BytesRead = 1;
|
||
|
|
while (BytesRead) {
|
||
|
|
if (!ReadFile(hfile, pbLoadAddr, 16384, &BytesRead, NULL)) {
|
||
|
|
TerminateVDM();
|
||
|
|
}
|
||
|
|
pbLoadAddr = (PBYTE)((ULONG)pbLoadAddr + BytesRead);
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
CloseHandle (hfile);
|
||
|
|
|
||
|
|
if (!DbgIsDebuggee()) {
|
||
|
|
free(pszDefaultDOSDirectory);
|
||
|
|
}
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/* demDOSDispCall
|
||
|
|
*
|
||
|
|
* This SVC is made by System_Call upon entering the dos
|
||
|
|
*
|
||
|
|
*
|
||
|
|
* Entry: Client registers as per user app upon entry to dos
|
||
|
|
*
|
||
|
|
* Exit - SUCCESS returns, if being debugged and DEMDOSDISP&fShowSvcMsg
|
||
|
|
* dumps user app's registers and service name
|
||
|
|
*/
|
||
|
|
VOID demDOSDispCall(VOID)
|
||
|
|
{
|
||
|
|
#if DEVL
|
||
|
|
WORD ax;
|
||
|
|
|
||
|
|
if (!DbgIsDebuggee()) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (fShowSVCMsg & DEMDOSDISP) {
|
||
|
|
ax = getAX();
|
||
|
|
sprintf(demDebugBuffer,"demDosDispCall %s\n\tAX=%.4x BX=%.4x CX=%.4x DX=%.4x DI=%.4x SI=%.4x\n",
|
||
|
|
scname[HIBYTE(ax)],
|
||
|
|
ax,getBX(),getCX(),getDX(),getDI(), getSI());
|
||
|
|
|
||
|
|
OutputDebugStringOem(demDebugBuffer);
|
||
|
|
|
||
|
|
sprintf(demDebugBuffer,"\tCS=%.4x IP=%.4x DS=%.4x ES=%.4x SS=%.4x SP=%.4x BP=%.4x\n",
|
||
|
|
getCS(),getIP(), getDS(),getES(),getSS(),getSP()+2,getBP());
|
||
|
|
|
||
|
|
OutputDebugStringOem(demDebugBuffer);
|
||
|
|
}
|
||
|
|
#if defined(NEC_98)
|
||
|
|
if ((fShowSVCMsg & DEMDOSAPPBREAK) && (DemBreakFunc != 0xff))
|
||
|
|
if (getAH() == DemBreakFunc)
|
||
|
|
DebugBreak();
|
||
|
|
|
||
|
|
if (fShowSVCMsg & 0x01) {
|
||
|
|
sprintf(demDebugBuffer,"Int 21 AX=%04x BX=%04x CX=%04x DX=%04x SP=%04x BP=%04x SI=%04x DI=%04x\n",getAX(),getBX(),getCX(),getDX(),getSP(),getBP(),getSI(),getDI()); // NEC
|
||
|
|
OutputDebugStringOem(demDebugBuffer);
|
||
|
|
}
|
||
|
|
#endif // NEC_98
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/* demDOSDispRet
|
||
|
|
*
|
||
|
|
* This SVC is made by System_Call upon exiting from the dos
|
||
|
|
*
|
||
|
|
* Entry: Client registers as per user app upon exit to dos
|
||
|
|
*
|
||
|
|
* Exit - SUCCESS returns, if being debugged and DEMDOSDISP&fShowSvcMsg
|
||
|
|
* dumps user app's registers
|
||
|
|
*/
|
||
|
|
VOID demDOSDispRet(VOID)
|
||
|
|
{
|
||
|
|
#if DEVL
|
||
|
|
PWORD16 pStk;
|
||
|
|
|
||
|
|
if (!DbgIsDebuggee()) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (fShowSVCMsg & DEMDOSDISP) {
|
||
|
|
|
||
|
|
// get ptr to flag word on stack
|
||
|
|
pStk = (WORD *)GetVDMAddr(getSS(), getSP());
|
||
|
|
pStk += 2;
|
||
|
|
|
||
|
|
sprintf (demDebugBuffer,"demDosDispRet\n\tAX=%.4x BX=%.4x CX=%.4x DX=%.4x DI=%.4x SI=%.4x\n",
|
||
|
|
getAX(),getBX(),getCX(),getDX(),getDI(),getSI());
|
||
|
|
|
||
|
|
OutputDebugStringOem(demDebugBuffer);
|
||
|
|
|
||
|
|
sprintf(demDebugBuffer,"\tCS=%.4x IP=%.4x DS=%.4x ES=%.4x SS=%.4x SP=%.4x BP=%.4x CF=%.1x\n",
|
||
|
|
getCS(),getIP(), getDS(),getES(),getSS(),getSP(),getBP(), (*pStk) & 1);
|
||
|
|
|
||
|
|
OutputDebugStringOem(demDebugBuffer);
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/* demEntryDosApp - Dump Entry Point Dos Apps
|
||
|
|
*
|
||
|
|
* This SVC is made by NTDOS.SYS,$exec just prior to entering dos app
|
||
|
|
*
|
||
|
|
* Entry - Client DS:SI points to entry point
|
||
|
|
* Client AX:DI points to initial stack
|
||
|
|
* Client DX has PDB pointer
|
||
|
|
*
|
||
|
|
* Exit - SUCCESS returns, if being debugged and DEMDOSAPPBREAK&fShowSvcMsg
|
||
|
|
* breaks to debugger
|
||
|
|
*/
|
||
|
|
VOID demEntryDosApp(VOID)
|
||
|
|
{
|
||
|
|
USHORT PDB;
|
||
|
|
|
||
|
|
PDB = getDX();
|
||
|
|
if(!IsFirstCall)
|
||
|
|
VDDCreateUserHook(PDB);
|
||
|
|
|
||
|
|
if (!DbgIsDebuggee()) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
DbgDosAppStart(getDS(), getSI());
|
||
|
|
|
||
|
|
#if DEVL
|
||
|
|
if (fShowSVCMsg & DEMDOSAPPBREAK) {
|
||
|
|
sprintf(demDebugBuffer,"demEntryDosApp: Entry=%.4x:%.4x, Stk=%.4x:%.4x PDB=%.4x\n",
|
||
|
|
getCS(),getIP(),getAX(),getDI(),PDB);
|
||
|
|
OutputDebugStringOem(demDebugBuffer);
|
||
|
|
DebugBreak();
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
/* demLoadDosAppSym - Load Dos Apps Symbols
|
||
|
|
*
|
||
|
|
* This SVC is made by NTDOS.SYS,$exec to load Dos App symbols
|
||
|
|
*
|
||
|
|
* Entry - Client ES:DI -Fully Qualified Path Name of executable
|
||
|
|
* Client BX -Load Segment\Reloc Factor
|
||
|
|
* Client DX:AX -HIWORD:LOWORD exe size
|
||
|
|
*
|
||
|
|
* Exit - SUCCESS returns, raises debug exception, if being debugged
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
VOID demLoadDosAppSym(VOID)
|
||
|
|
{
|
||
|
|
|
||
|
|
SignalSegmentNotice(DBG_MODLOAD,
|
||
|
|
0, getBX(), 0,
|
||
|
|
(LPSTR)GetVDMAddr(getES(),getDI()),
|
||
|
|
MAKELONG(getAX(), getDX()) );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/* demFreeDosAppSym - Free Dos Apps Symbols
|
||
|
|
*
|
||
|
|
* This SVC is made by NTDOS.SYS,$exec to Free Dos App symbols
|
||
|
|
*
|
||
|
|
* Entry - Client ES:DI -Fully Qualified Path Name of executable
|
||
|
|
*
|
||
|
|
* Exit - SUCCESS returns, raises debug exception, if being debugged
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
VOID demFreeDosAppSym(VOID)
|
||
|
|
{
|
||
|
|
|
||
|
|
SignalSegmentNotice(DBG_MODFREE,
|
||
|
|
0, 0, 0,
|
||
|
|
(LPSTR)GetVDMAddr(getES(), getDI()),
|
||
|
|
0);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/* demSystemSymbolOp - Manipulate Symbols for special modules
|
||
|
|
*
|
||
|
|
* This SVC is made by NTDOS.SYS,NTIO.SYS
|
||
|
|
*
|
||
|
|
* Client AH -Operation
|
||
|
|
* Client AL -module identifier
|
||
|
|
* Client BX -Load Segment\Reloc Factor
|
||
|
|
* Client CX:DX -HIWORD:LOWORD exe size
|
||
|
|
*
|
||
|
|
* Exit - SUCCESS returns, raises debug exception, if being debugged
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
VOID demSystemSymbolOp(VOID)
|
||
|
|
{
|
||
|
|
|
||
|
|
LPSTR pszPathName;
|
||
|
|
|
||
|
|
if (!DbgIsDebuggee()) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
switch(getAL()) {
|
||
|
|
|
||
|
|
case ID_NTIO:
|
||
|
|
pszPathName = pszBIOSDirectory;
|
||
|
|
break;
|
||
|
|
case ID_NTDOS:
|
||
|
|
pszPathName = pszDefaultDOSDirectory;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
pszPathName = NULL;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
// check this again for the case where the static strings have been freed
|
||
|
|
if (pszPathName != NULL) {
|
||
|
|
|
||
|
|
switch(getAH() & (255-SYMOP_CLEANUP)) {
|
||
|
|
|
||
|
|
case SYMOP_LOAD:
|
||
|
|
SignalSegmentNotice(DBG_MODLOAD,
|
||
|
|
0, getBX(), 0,
|
||
|
|
pszPathName,
|
||
|
|
MAKELONG(getDX(), getCX()) );
|
||
|
|
break;
|
||
|
|
|
||
|
|
case SYMOP_FREE:
|
||
|
|
//bugbug not implemented yet
|
||
|
|
break;
|
||
|
|
|
||
|
|
case SYMOP_MOVE:
|
||
|
|
SignalSegmentNotice(DBG_SEGMOVE,
|
||
|
|
getDI(), getBX(), getES(),
|
||
|
|
pszPathName,
|
||
|
|
MAKELONG(getDX(), getCX()) );
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (getAH() & SYMOP_CLEANUP) {
|
||
|
|
|
||
|
|
if (pszBIOSDirectory != NULL) {
|
||
|
|
free (pszBIOSDirectory);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (pszDefaultDOSDirectory != NULL) {
|
||
|
|
free(pszDefaultDOSDirectory);
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
VOID demOutputString(VOID)
|
||
|
|
{
|
||
|
|
LPSTR lpText;
|
||
|
|
UCHAR fPE;
|
||
|
|
|
||
|
|
if ( !DbgIsDebuggee() ) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
fPE = ISPESET;
|
||
|
|
|
||
|
|
lpText = (LPSTR)Sim32GetVDMPointer(
|
||
|
|
((ULONG)getDS() << 16) + (ULONG)getSI(),
|
||
|
|
(ULONG)getBX(), fPE );
|
||
|
|
|
||
|
|
OutputDebugStringOem( lpText );
|
||
|
|
}
|
||
|
|
|
||
|
|
VOID demInputString(VOID)
|
||
|
|
{
|
||
|
|
LPSTR lpText;
|
||
|
|
UCHAR fPE;
|
||
|
|
|
||
|
|
if ( !DbgIsDebuggee() ) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
fPE = ISPESET;
|
||
|
|
|
||
|
|
lpText = (LPSTR)Sim32GetVDMPointer(
|
||
|
|
((ULONG)getDS() << 16) + (ULONG)getDI(),
|
||
|
|
(ULONG)getBX(), fPE );
|
||
|
|
|
||
|
|
DbgPrompt( "", lpText, 0x80 );
|
||
|
|
}
|
||
|
|
|
||
|
|
/* SignalSegmentNotice
|
||
|
|
*
|
||
|
|
* packs up the data and raises STATUS_SEGMENT_NOTIFICATION
|
||
|
|
*
|
||
|
|
* Entry - WORD wType - DBG_MODLOAD, DBG_MODFREE
|
||
|
|
* WORD wModuleSeg- segment number within module (1 based)
|
||
|
|
* WORD wLoadSeg - Starting Segment (reloc factor)
|
||
|
|
* LPSTR lpName - ptr to Name of Image
|
||
|
|
* DWORD dwModLen - Length of module
|
||
|
|
*
|
||
|
|
*
|
||
|
|
* if wType ==DBG_MODLOAD wOldLoadSeg is unused
|
||
|
|
* if wType ==DBG_MODFREE wLoadSeg,dwImageLen,wOldLoadSeg are unused
|
||
|
|
*
|
||
|
|
* Use 0 or NULL for unused parameters
|
||
|
|
*
|
||
|
|
* Exit - void
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
void SignalSegmentNotice(WORD wType,
|
||
|
|
WORD wModuleSeg,
|
||
|
|
WORD wLoadSeg,
|
||
|
|
WORD wNewSeg,
|
||
|
|
LPSTR lpName,
|
||
|
|
DWORD dwImageLen )
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
DWORD dw;
|
||
|
|
LPSTR lpstr;
|
||
|
|
LPSTR lpModuleName;
|
||
|
|
char ach[MAX_PATH+9]; // 9 for module name
|
||
|
|
|
||
|
|
if (!DbgIsDebuggee()) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
// create file name
|
||
|
|
dw = GetFullPathNameOem(lpName,
|
||
|
|
sizeof(ach)-9, // 9 for module name
|
||
|
|
ach,
|
||
|
|
&lpstr);
|
||
|
|
|
||
|
|
if (!dw || dw >= sizeof(ach)) {
|
||
|
|
lpName = " ";
|
||
|
|
strcpy(ach, lpName);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
lpName = lpstr;
|
||
|
|
}
|
||
|
|
|
||
|
|
// copy in module name
|
||
|
|
i = 8; // limit len of module name
|
||
|
|
dw = strlen(ach);
|
||
|
|
lpModuleName = lpstr = ach+dw+1;
|
||
|
|
while (*lpName && *lpName != '.' && i--)
|
||
|
|
{
|
||
|
|
*lpstr++ = *lpName++;
|
||
|
|
dw++;
|
||
|
|
}
|
||
|
|
*lpstr = '\0';
|
||
|
|
dw += 2;
|
||
|
|
|
||
|
|
#if DBG
|
||
|
|
if (fShowSVCMsg) {
|
||
|
|
sprintf(demDebugBuffer,"dem Segment Notify: <%s> Seg=%lxh, ImageLen=%ld\n",
|
||
|
|
ach, (DWORD)wLoadSeg, dwImageLen);
|
||
|
|
OutputDebugStringOem(demDebugBuffer);
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
// Send it to the debugger
|
||
|
|
DbgSegmentNotice(wType, wModuleSeg, wLoadSeg, wNewSeg, lpModuleName, ach, dwImageLen);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/* demIsDebug - Determine if 16bit DOS should make entry/exit calls at int21
|
||
|
|
*
|
||
|
|
* Entry: void
|
||
|
|
*
|
||
|
|
* Exit: Client AL = 0 if not
|
||
|
|
* Client AL = 1 if yes
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
VOID demIsDebug(void)
|
||
|
|
{
|
||
|
|
BYTE dbgflags = 0;
|
||
|
|
|
||
|
|
if (DbgIsDebuggee()) {
|
||
|
|
dbgflags |= ISDBG_DEBUGGEE;
|
||
|
|
if (fShowSVCMsg)
|
||
|
|
dbgflags |= ISDBG_SHOWSVC;
|
||
|
|
}
|
||
|
|
|
||
|
|
setAL (dbgflags);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* demDiskReset - Reset floppy disks.
|
||
|
|
*
|
||
|
|
* Entry - None
|
||
|
|
*
|
||
|
|
* Exit - FDAccess in DOSDATA (NTDOS.SYS) is 0.
|
||
|
|
*/
|
||
|
|
|
||
|
|
VOID demDiskReset (VOID)
|
||
|
|
{
|
||
|
|
extern WORD * pFDAccess; // defined in SoftPC.
|
||
|
|
|
||
|
|
HostFloppyReset();
|
||
|
|
HostFdiskReset();
|
||
|
|
*pFDAccess = 0;
|
||
|
|
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* demExitVDM - Kill the VDM From 16Bit side with a proper message
|
||
|
|
* in case something goes wrong.
|
||
|
|
*
|
||
|
|
* Entry - DS:SI - Message String
|
||
|
|
*
|
||
|
|
* Exit - None (VDM Is killed)
|
||
|
|
*/
|
||
|
|
|
||
|
|
VOID demExitVDM ( VOID )
|
||
|
|
{
|
||
|
|
RcErrorDialogBox(ED_BADSYSFILE,"config.nt",NULL);
|
||
|
|
TerminateVDM ();
|
||
|
|
}
|
||
|
|
|
||
|
|
/* demWOWFiles - Return what should be the value of files= for WOW VDM.
|
||
|
|
*
|
||
|
|
* Entry - AL - files= specified in config.sys
|
||
|
|
*
|
||
|
|
* Exit - client AL is set to max if WOW VDM else unmodified
|
||
|
|
*/
|
||
|
|
|
||
|
|
VOID demWOWFiles ( VOID )
|
||
|
|
{
|
||
|
|
if(VDMForWOW)
|
||
|
|
setAL (255);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
/** GetDOSAppName - Return the name of the current DOS executable
|
||
|
|
*
|
||
|
|
* ENTRY -
|
||
|
|
* OUT ppszApp Name: address of the app
|
||
|
|
*
|
||
|
|
* EXIT
|
||
|
|
* SUCCESS - Returns SUCCESS
|
||
|
|
* FAILURE - Returns FAILURE
|
||
|
|
*
|
||
|
|
* Comments:
|
||
|
|
* This routine uses the current PDB to figure out the name of the currently
|
||
|
|
* executing DOS application.
|
||
|
|
*/
|
||
|
|
|
||
|
|
VOID GetDOSAppName(LPSTR pszAppName)
|
||
|
|
{
|
||
|
|
PCHAR pch = NULL;
|
||
|
|
PUSHORT pusEnvSeg;
|
||
|
|
|
||
|
|
#define PDB_ENV_OFFSET 0x2c
|
||
|
|
if (pusCurrentPDB) {
|
||
|
|
pusEnvSeg = (PUSHORT)Sim32GetVDMPointer((*pusCurrentPDB) << 16, 0, 0);
|
||
|
|
|
||
|
|
pusEnvSeg = (PUSHORT)((PCHAR)pusEnvSeg + PDB_ENV_OFFSET);
|
||
|
|
|
||
|
|
// Get a pointer to the environment
|
||
|
|
if (VDMForWOW || (getMSW() & MSW_PE)) {
|
||
|
|
pch = (PCHAR)Sim32GetVDMPointer(*pusEnvSeg << 16, 1, TRUE);
|
||
|
|
} else {
|
||
|
|
pch = (PCHAR)Sim32GetVDMPointer(*pusEnvSeg << 16, 0, 0);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (NULL == pch) {
|
||
|
|
*pszAppName = '\0';
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
// Walk through the environment strings until we get to the command line
|
||
|
|
while (*pch) {
|
||
|
|
pch += strlen(pch) + 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
pch += 3; // skip past the double null and string count
|
||
|
|
strcpy(pszAppName, pch);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|