utils.h File Reference

#include <stdarg.h>
#include "../../../../ntoskrnl/include/internal/ps.h"

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Classes
struct	tagSCANTOASCII
struct	tagKEYBOARD_LAYOUT
struct	_FRAME
struct	_PCI_NUMBER
struct	tagPageDir
struct	tagGdt
struct	tagIdt
struct	tagDESCRIPTOR

Macros
#define	__STR(x)   #x
#define	STR(x)   __STR(x)
#define	SHOW_FIELD_BYTE(ptr, field, wait)
#define	SHOW_FIELD_WORD(ptr, field, wait)
#define	SHOW_FIELD_DWORD(ptr, field, wait)
#define	SHOW_FIELD_SEG_OFS(ptr, field1, field2, wait)
#define	OUTPUT_BUFFER_FULL   0x01
#define	INPUT_BUFFER_FULL   0x02
#define	MOUSE_OUTPUT_BUFFER_FULL   0x20
#define	GLOBAL_CODE_SEGMENT   (KERNEL_CS)
#define	GLOBAL_DATA_SEGMENT   (KERNEL_DS)
#define	_PAGE_PRESENT   0x001
#define	_PAGE_RW   0x002
#define	_PAGE_USER   0x004
#define	_PAGE_PWT   0x008
#define	_PAGE_PCD   0x010
#define	_PAGE_ACCESSED   0x020
#define	_PAGE_DIRTY   0x040
#define	_PAGE_PSE   0x080
#define	_PAGE_4M   _PAGE_PSE
#define	_PAGE_SIZE   0x1000
#define	save_flags(x)   __asm__ __volatile__("pushfl ; popl %0":"=g" (x): /* no input */)
#define	restore_flags(x)   __asm__ __volatile__("pushl %0 ; popfl": /* no output */ :"g" (x):"memory", "cc")
#define	cli()   __asm__ __volatile__("cli": : :"memory")
#define	sti()   __asm__ __volatile__("sti": : :"memory")
#define	ASSERT(x)   if (!(x)) { DbgPrint("Assertion "#x" failed at %s:%d\n", __FILE__, __LINE__); KeBugCheck(0); }
#define	PAGEDPOOL   (1)
#define	NONPAGEDPOOL   (0)

Typedefs
typedef struct tagSCANTOASCII	SCANTOASCII
typedef struct tagSCANTOASCII *	PSCANTOASCII
typedef struct tagKEYBOARD_LAYOUT	KEYBOARD_LAYOUT
typedef struct tagKEYBOARD_LAYOUT *	PKEYBOARD_LAYOUT
typedef struct _FRAME	FRAME
typedef struct _PCI_NUMBER	PCI_NUMBER
typedef struct tagPageDir	PAGEDIR
typedef struct tagPageDir *	PPAGEDIR
typedef struct tagGdt	GDT
typedef struct tagGdt *	PGDT
typedef struct tagIdt	IDT
typedef struct tagIdt *	PIDT
typedef struct tagDESCRIPTOR	DESCRIPTOR
typedef struct tagDESCRIPTOR *	PDESCRIPTOR

Enumerations
enum	KeyboardLayout { kbDE, kbUS, kbDK, kbMaximum }

Functions
PKEYBOARD_LAYOUT	GetKeyboardLayout ()
PKEYBOARD_LAYOUT	SetKeyboardLayoutByName (LPSTR Name)
void	PICE_memset (void *p, unsigned char c, int sz)
void	PICE_memcpy (void *t, void *s, int sz)
char *	PICE_strrev (char *)
ULONG	PICE_strcmp (char *s1, char *s2)
ULONG	PICE_strcmpi (char *s1, char *s2)
ULONG	PICE_strncmpi (char *s1, char *s2, ULONG len)
USHORT	PICE_strlen (const char *s)
char *	PICE_strcat (char *s1, char *s2)
BOOLEAN	PICE_isprint (char c)
char *	PICE_strcpy (char *s1, char *s2)
char *	PICE_strncpy (char *s1, char *s2, int len)
char *	PICE_strchr (char *s, char c)
int	PICE_isdigit (int c)
int	PICE_isxdigit (int c)
int	PICE_islower (int c)
int	PICE_isalpha (int c)
int	PICE_sprintf (char *buf, const char *fmt,...)
int	PICE_vsprintf (char *buf, const char *fmt, va_list args)
BOOLEAN	IsAddressValid (ULONG Addr)
BOOLEAN	IsAddressWriteable (ULONG Addr)
BOOLEAN	SetAddressWriteable (ULONG address, BOOLEAN bSet)
BOOLEAN	IsRangeValid (ULONG addr, ULONG Length)
void	IntelStackWalk (ULONG pc, ULONG ebp, ULONG esp)
ULONG	ReadPhysMem (ULONG Address, ULONG ulSize)
void	WritePhysMem (ULONG Address, ULONG Datum, ULONG ulSize)
BOOLEAN	IsRetAtEIP (void)
BOOLEAN	IsCallInstrAtEIP (void)
ULONG	GetLinearAddress (USHORT Segment, ULONG Offset)
void	ShowStoppedMsg (void)
void	ShowRunningMsg (void)
void	SetHardwareBreakPoints (void)
void	SetHardwareBreakPoint (ULONG ulAddress, ULONG ulReg)
BOOLEAN	Disasm (PULONG pOffset, PUCHAR pchDst)
void	DisplayRegs (void)
void	SaveOldRegs (void)
BOOLEAN	CheckLoadAbort (void)
UCHAR	KeyboardGetKeyPolled (void)
void	KeyboardFlushKeyboardQueue (void)
UCHAR	AsciiFromScan (UCHAR s)
UCHAR	AsciiToScan (UCHAR s)
void	outportb (PUCHAR port, UCHAR data)
UCHAR	inportb (PUCHAR port)
void	outb_p (UCHAR data, PUCHAR port)
UCHAR	inb_p (PUCHAR port)
VOID	outl (ULONG l, PULONG port)
ULONG	inl (PULONG port)
void	EnablePassThrough (void)
void *	PICE_malloc (size_t numBytes, BOOLEAN fromPaged)
void	PICE_free (void *p)
HANDLE	PICE_open (LPCWSTR lpPathName, int iReadWrite)
long	PICE_read (HANDLE hFile, LPVOID lpBuffer, long lBytes)
int	PICE_close (HANDLE hFile)
size_t	PICE_len (HANDLE hFile)
WCHAR *	PICE_wcscpy (WCHAR *str1, const WCHAR *str2)
INT WINAPI	PICE_MultiByteToWideChar (UINT CodePage, DWORD dwFlags, LPCSTR lpMultiByteStr, int cchMultiByte, LPWSTR lpWideCharStr, int cchWideChar)

Variables
PKEYBOARD_LAYOUT	CurrentKeyboard
PMADDRESS_SPACE	my_init_mm
LIST_ENTRY *	pPsProcessListHead

Macro Definition Documentation

__STR

#define __STR

(

x

)

#x

Definition at line 33 of file utils.h.

_PAGE_4M

#define _PAGE_4M   _PAGE_PSE

Definition at line 268 of file utils.h.

_PAGE_ACCESSED

#define _PAGE_ACCESSED   0x020

Definition at line 265 of file utils.h.

_PAGE_DIRTY

#define _PAGE_DIRTY   0x040

Definition at line 266 of file utils.h.

_PAGE_PCD

#define _PAGE_PCD   0x010

Definition at line 264 of file utils.h.

_PAGE_PRESENT

#define _PAGE_PRESENT   0x001

Definition at line 260 of file utils.h.

_PAGE_PSE

#define _PAGE_PSE   0x080

Definition at line 267 of file utils.h.

_PAGE_PWT

#define _PAGE_PWT   0x008

Definition at line 263 of file utils.h.

_PAGE_RW

#define _PAGE_RW   0x002

Definition at line 261 of file utils.h.

_PAGE_SIZE

#define _PAGE_SIZE   0x1000

Definition at line 269 of file utils.h.

_PAGE_USER

#define _PAGE_USER   0x004

Definition at line 262 of file utils.h.

ASSERT

#define ASSERT

(

x

)

if (!(x)) { DbgPrint("Assertion "#x" failed at %s:%d\n", __FILE__, __LINE__); KeBugCheck(0); }

Definition at line 293 of file utils.h.

cli

#define cli

(

)

__asm__ __volatile__("cli": : :"memory")

Definition at line 287 of file utils.h.

GLOBAL_CODE_SEGMENT

#define GLOBAL_CODE_SEGMENT   (KERNEL_CS)

Definition at line 246 of file utils.h.

GLOBAL_DATA_SEGMENT

#define GLOBAL_DATA_SEGMENT   (KERNEL_DS)

Definition at line 247 of file utils.h.

INPUT_BUFFER_FULL

#define INPUT_BUFFER_FULL   0x02

Definition at line 232 of file utils.h.

MOUSE_OUTPUT_BUFFER_FULL

#define MOUSE_OUTPUT_BUFFER_FULL   0x20

Definition at line 233 of file utils.h.

NONPAGEDPOOL

#define NONPAGEDPOOL   (0)

Definition at line 306 of file utils.h.

OUTPUT_BUFFER_FULL

#define OUTPUT_BUFFER_FULL   0x01

Definition at line 231 of file utils.h.

PAGEDPOOL

#define PAGEDPOOL   (1)

Definition at line 305 of file utils.h.

restore_flags

#define restore_flags

(

x

)

__asm__ __volatile__("pushl %0 ; popfl": /* no output */ :"g" (x):"memory", "cc")

Definition at line 286 of file utils.h.

save_flags

#define save_flags

(

x

)

__asm__ __volatile__("pushfl ; popl %0":"=g" (x): /* no input */)

Definition at line 285 of file utils.h.

SHOW_FIELD_BYTE

#define SHOW_FIELD_BYTE	(		ptr,
			field,
			wait
	)

Value:

{\
    if(wait && WaitForKey()==FALSE)\
        return TRUE;\
    PICE_sprintf(tempCmd,#field" = %.2x\n",ptr->##field);\
    Print(OUTPUT_WINDOW,tempCmd);\
}

Definition at line 68 of file utils.h.

SHOW_FIELD_DWORD

#define SHOW_FIELD_DWORD	(		ptr,
			field,
			wait
	)

Value:

{\
    if(wait && WaitForKey()==FALSE)\
        return TRUE;\
    PICE_sprintf(tempCmd,#field" = %.8x\n",ptr->##field);\
    Print(OUTPUT_WINDOW,tempCmd);\
}

Definition at line 84 of file utils.h.

SHOW_FIELD_SEG_OFS

#define SHOW_FIELD_SEG_OFS	(		ptr,
			field1,
			field2,
			wait
	)

Value:

{\
    if(wait && WaitForKey()==FALSE)\
        return TRUE;\
    PICE_sprintf(tempCmd,#field1":"#field2" = %.4x:%.8x\n",ptr->##field1,ptr->##field2);\
    Print(OUTPUT_WINDOW,tempCmd);\
}

Definition at line 92 of file utils.h.

SHOW_FIELD_WORD

#define SHOW_FIELD_WORD	(		ptr,
			field,
			wait
	)

Value:

{\
    if(wait && WaitForKey()==FALSE)\
        return TRUE;\
    PICE_sprintf(tempCmd,#field" = %.4x\n",ptr->##field);\
    Print(OUTPUT_WINDOW,tempCmd);\
}

Definition at line 76 of file utils.h.

sti

#define sti

(

)

__asm__ __volatile__("sti": : :"memory")

Definition at line 288 of file utils.h.

STR

#define STR

(

x

)

__STR(x)

Definition at line 34 of file utils.h.

Typedef Documentation

DESCRIPTOR

typedef struct tagDESCRIPTOR DESCRIPTOR

FRAME

typedef struct _FRAME FRAME

GDT

typedef struct tagGdt GDT

IDT

typedef struct tagIdt IDT

KEYBOARD_LAYOUT

typedef struct tagKEYBOARD_LAYOUT KEYBOARD_LAYOUT

PAGEDIR

typedef struct tagPageDir PAGEDIR

PCI_NUMBER

typedef struct _PCI_NUMBER PCI_NUMBER

PDESCRIPTOR

typedef struct tagDESCRIPTOR* PDESCRIPTOR

PGDT

typedef struct tagGdt* PGDT

PIDT

typedef struct tagIdt* PIDT

PKEYBOARD_LAYOUT

typedef struct tagKEYBOARD_LAYOUT * PKEYBOARD_LAYOUT

PPAGEDIR

typedef struct tagPageDir* PPAGEDIR

PSCANTOASCII

typedef struct tagSCANTOASCII * PSCANTOASCII

SCANTOASCII

typedef struct tagSCANTOASCII SCANTOASCII

Enumeration Type Documentation

KeyboardLayout

enum KeyboardLayout

Enumerator
kbDE
kbUS
kbDK
kbMaximum

Definition at line 36 of file utils.h.

             {
  kbDE,
  kbUS,
  kbDK,
  kbMaximum
} KeyboardLayout;

Function Documentation

AsciiFromScan()

UCHAR AsciiFromScan

(

UCHAR

s

)

Definition at line 2069 of file utils.c.

{
  PSCANTOASCII table;
  ULONG i;

  ENTER_FUNC();

  if (bShift)
    {
      table = GetKeyboardLayout()->shifted;
    }
  else if(bAlt)
    {
      table = GetKeyboardLayout()->alted;
    }
  else
    {
      table = GetKeyboardLayout()->normal;
    }


  if (table)
    {
      for(i=0;table[i].s != 0;i++)
        {
          if(table[i].s==s)
            {
              LEAVE_FUNC();
              return table[i].a;
            }
        }
    }

  DPRINT((0,"AsciiFromScan(): no translation for key\n"));
  LEAVE_FUNC();
  return 0;
}

Referenced by DebuggerShell().

AsciiToScan()

UCHAR AsciiToScan

(

UCHAR

s

)

Definition at line 2113 of file utils.c.

{
  PSCANTOASCII table;
  ULONG i;

  ENTER_FUNC();

  if (bShift)
    {
      table = GetKeyboardLayout()->shifted;
    }
  else if(bAlt)
    {
      table = GetKeyboardLayout()->alted;
    }
  else
    {
      table = GetKeyboardLayout()->normal;
    }

  if (table)
    {
          for(i=0;table[i].s != 0;i++)
            {
              if(table[i].a==s)
                {
                  LEAVE_FUNC();
                  return table[i].s;
                }
            }
    }

  DPRINT((0,"AsciiToScan(): no translation for ASCII code\n"));
  LEAVE_FUNC();
    return 0;
}

Referenced by PiceKbdIsr().

CheckLoadAbort()

BOOLEAN CheckLoadAbort

(

void

)

Definition at line 1471 of file utils.c.

{
ULONG i;
UCHAR ucKey;

    MaskIrqs();

    SaveGraphicsState();

    FlushKeyboardQueue();

    PrintLogo(TRUE);

    for(i=0;i<5000;i++)
    {
        if(!(i%1000) )
        {
            PICE_sprintf(tempUtil,"\n LOAD WILL CONTINUE IN %u SEC (HIT 'C' TO CONTINUE OR ANY OTHER KEY TO ABORT)\n",5-i/1000);
            Clear(REGISTER_WINDOW);
            Print(REGISTER_WINDOW,tempUtil);
            PrintLogo(TRUE);
        }

        ucKey = GetKeyPolled();

        if(ucKey)
        {
            if((ucKey&0x7f)!=46)
            {
                RestoreGraphicsState();
                UnmaskIrqs();
                return FALSE;
            }
            else
                goto load;
        }
        KeStallExecutionProcessor(1000);
    }
load:
    Clear(REGISTER_WINDOW);
    PrintLogo(TRUE);

    tempUtil[0] = 0;
    FlushKeyboardQueue();

    RestoreGraphicsState();

    UnmaskIrqs();

    return TRUE;
}

Disasm()

BOOLEAN Disasm	(	PULONG	pOffset,
		PUCHAR	pchDst
	)

Definition at line 705 of file disassembler.c.

{
    TDisassembler dis;

    dis.dwFlags  = DIS_DATA32 | DIS_ADDRESS32;
    dis.bpTarget = (UCHAR*)*pOffset;
    dis.szDisasm = pchDst;
    dis.wSel = CurrentCS;

    *pOffset += (ULONG)Disassembler( &dis);
    return TRUE;
}

Referenced by COMMAND_PROTOTYPE(), InstallSWBreakpoint(), TryToInstallVirtualSWBreakpoints(), UnassembleOneLineDown(), UnassembleOneLineUp(), UnassembleOnePageDown(), and UnassembleOnePageUp().

DisplayRegs()

void DisplayRegs

(

void

)

Definition at line 1097 of file utils.c.

{
    char tempDisplayRegs[48];

    ENTER_FUNC();

//  Clear(REGISTER_WINDOW);
    Home(REGISTER_WINDOW);
    // EAX
    Print(REGISTER_WINDOW,"EAX=");
    PICE_sprintf(tempDisplayRegs,"%.8X",CurrentEAX);
    if(OldEAX!=CurrentEAX)
    {
        SetForegroundColor(WHITE);
    }
    Print(REGISTER_WINDOW,tempDisplayRegs);
    if(OldEAX!=CurrentEAX)
    {
        ResetColor();
    }

    // EBX
    Print(REGISTER_WINDOW," EBX=");
    PICE_sprintf(tempDisplayRegs,"%.8X",CurrentEBX);
    if(OldEBX!=CurrentEBX)
    {
        SetForegroundColor(WHITE);
    }
    Print(REGISTER_WINDOW,tempDisplayRegs);
    if(OldEBX!=CurrentEBX)
    {
        ResetColor();
    }

    // ECX
    Print(REGISTER_WINDOW," ECX=");
    PICE_sprintf(tempDisplayRegs,"%.8X",CurrentECX);
    if(OldECX!=CurrentECX)
    {
        SetForegroundColor(WHITE);
    }
    Print(REGISTER_WINDOW,tempDisplayRegs);
    if(OldECX!=CurrentECX)
    {
        ResetColor();
    }

    // EDX
    Print(REGISTER_WINDOW," EDX=");
    PICE_sprintf(tempDisplayRegs,"%.8X",CurrentEDX);
    if(OldEDX!=CurrentEDX)
    {
        SetForegroundColor(COLOR_HILITE);
    }
    Print(REGISTER_WINDOW,tempDisplayRegs);
    if(OldEDX!=CurrentEDX)
    {
        ResetColor();
    }

    // ESI
    Print(REGISTER_WINDOW," ESI=");
    PICE_sprintf(tempDisplayRegs,"%.8X",CurrentESI);
    if(OldESI!=CurrentESI)
    {
        SetForegroundColor(COLOR_HILITE);
    }
    Print(REGISTER_WINDOW,tempDisplayRegs);
    if(OldESI!=CurrentESI)
    {
        ResetColor();
    }

    // EDI
    Print(REGISTER_WINDOW," EDI=");
    PICE_sprintf(tempDisplayRegs,"%.8X\n",CurrentEDI);
    if(OldEDI!=CurrentEDI)
    {
        SetForegroundColor(COLOR_HILITE);
    }
    Print(REGISTER_WINDOW,tempDisplayRegs);
    if(OldEDI!=CurrentEDI)
    {
        ResetColor();
    }

    // EBP
    Print(REGISTER_WINDOW,"EBP=");
    PICE_sprintf(tempDisplayRegs,"%.8X",CurrentEBP);
    if(OldEBP!=CurrentEBP)
    {
        SetForegroundColor(COLOR_HILITE);
    }
    Print(REGISTER_WINDOW,tempDisplayRegs);
    if(OldEBP!=CurrentEBP)
    {
        ResetColor();
    }

    // ESP
    Print(REGISTER_WINDOW," ESP=");
    PICE_sprintf(tempDisplayRegs,"%.8X",CurrentESP);
    if(OldESP!=CurrentESP)
    {
        SetForegroundColor(COLOR_HILITE);
    }
    Print(REGISTER_WINDOW,tempDisplayRegs);
    if(OldESP!=CurrentESP)
    {
        ResetColor();
    }

    // EIP
    Print(REGISTER_WINDOW," EIP=");
    PICE_sprintf(tempDisplayRegs,"%.8X",CurrentEIP);
    if(OldEIP!=CurrentEIP)
    {
        SetForegroundColor(COLOR_HILITE);
    }
    Print(REGISTER_WINDOW,tempDisplayRegs);
    if(OldEIP!=CurrentEIP)
    {
        ResetColor();
    }

    // EFL
    Print(REGISTER_WINDOW," EFLAGS=");
    PICE_sprintf(tempDisplayRegs,"%.8X",CurrentEFL);
    if(OldEFL!=CurrentEFL)
    {
        SetForegroundColor(COLOR_HILITE);
    }
    Print(REGISTER_WINDOW,tempDisplayRegs);
    if(OldEFL!=CurrentEFL)
    {
        ResetColor();
    }

    // visual flags
    PICE_sprintf(tempDisplayRegs," %s\n",VisualizeFlags(CurrentEFL));
    Print(REGISTER_WINDOW,tempDisplayRegs);

    // CS
    Print(REGISTER_WINDOW,"CS=");
    PICE_sprintf(tempDisplayRegs,"%.4X",CurrentCS);
    if(OldCS!=CurrentCS)
    {
        SetForegroundColor(COLOR_HILITE);
    }
    Print(REGISTER_WINDOW,tempDisplayRegs);
    if(OldCS!=CurrentCS)
    {
        ResetColor();
    }

    // DS
    Print(REGISTER_WINDOW,"  DS=");
    PICE_sprintf(tempDisplayRegs,"%.4X",CurrentDS);
    if(OldDS!=CurrentDS)
    {
        SetForegroundColor(COLOR_HILITE);
    }
    Print(REGISTER_WINDOW,tempDisplayRegs);
    if(OldDS!=CurrentDS)
    {
        ResetColor();
    }

    // ES
    Print(REGISTER_WINDOW,"  ES=");
    PICE_sprintf(tempDisplayRegs,"%.4X",CurrentES);
    if(OldES!=CurrentES)
    {
        SetForegroundColor(COLOR_HILITE);
    }
    Print(REGISTER_WINDOW,tempDisplayRegs);
    if(OldES!=CurrentES)
    {
        ResetColor();
    }

    // FS
    Print(REGISTER_WINDOW,"  FS=");
    PICE_sprintf(tempDisplayRegs,"%.4X",CurrentFS);
    if(OldFS!=CurrentFS)
    {
        SetForegroundColor(COLOR_HILITE);
    }
    Print(REGISTER_WINDOW,tempDisplayRegs);
    if(OldFS!=CurrentFS)
    {
        ResetColor();
    }

    // GS
    Print(REGISTER_WINDOW,"  GS=");
    PICE_sprintf(tempDisplayRegs,"%.4X",CurrentGS);
    if(OldGS!=CurrentGS)
    {
        ResetColor();
    }
    Print(REGISTER_WINDOW,tempDisplayRegs);
    if(OldGS!=CurrentGS)
    {
        ResetColor();
    }

    // SS
    Print(REGISTER_WINDOW,"  SS=");
    PICE_sprintf(tempDisplayRegs,"%.4X",CurrentSS);
    if(OldSS!=CurrentSS)
    {
        SetForegroundColor(COLOR_HILITE);
    }
    Print(REGISTER_WINDOW,tempDisplayRegs);
    if(OldSS!=CurrentSS)
    {
        ResetColor();
    }

    LEAVE_FUNC();
}

Referenced by COMMAND_PROTOTYPE(), DebuggerShell(), InitPICE(), and RepaintDesktop().

EnablePassThrough()

void EnablePassThrough

(

void

)

Definition at line 2194 of file utils.c.

{
    ULONG oldCF8,flags;

    save_flags(flags);
    cli();

    oldCF8 = inl((PULONG)0xcf8);
    outl(0x80000050,(PULONG)0xcf8);
    outl(inl((PULONG)0xcfc)|0x00000020,(PULONG)0xcfc);
    outl(oldCF8,(PULONG)0xcf8);

    restore_flags(flags);
}

Referenced by InitPICE().

GetKeyboardLayout()

PKEYBOARD_LAYOUT GetKeyboardLayout

(

)

Definition at line 194 of file utils.c.

{
  if (CurrentKeyboard == NULL)
    {
      CurrentKeyboard = &ucKeyboard[kbUS];
    }

  return CurrentKeyboard;
}

Referenced by activate_keyboard_layout(), AsciiFromScan(), AsciiToScan(), COMMAND_PROTOTYPE(), get_input_codepage(), ImmCreateContext(), ImmTranslateMessage(), InputList_Create(), SetKeyboardLayoutByName(), test_ImmGetCompositionString(), test_ImmGetDescription(), test_unicode_wm_char(), UpdateData(), UpdateLanguageDisplayCurrent(), vk2ascii(), and WriteKeysSettings().

GetLinearAddress()

ULONG GetLinearAddress	(	USHORT	Segment,
		ULONG	Offset
	)

Definition at line 782 of file utils.c.

{
    PGDT pGdt;
    ULONG result=0;
    PDESCRIPTOR pSel;
    USHORT OriginalSegment=Segment;

    ENTER_FUNC();

    pSel=(struct tagDESCRIPTOR*)&Segment;

    // get GDT pointer
    pGdt=GetGDTPtr();
    DPRINT((0,"GetLinearAddress(): pGDT = %.8X\n",pGdt));
    DPRINT((0,"GetLinearAddress(): original Segment:Offset = %.4X:%.8X\n",Segment,Offset));

    // see if segment selector is in LDT
    if(pSel->Ti)
    {
        DPRINT((0,"GetLinearAddress(): Segment is in LDT\n"));
        // get LDT selector
        __asm__("\n\t \
            sldt %%ax\n\t \
            mov %%ax,%0"
            :"=m" (Segment));
        if(Segment)
        {
            DPRINT((0,"GetLinearAddress(): no LDT\n"));
            // get LDT selector
            pGdt=(PGDT)((pGdt[pSel->Val].Base_31_24<<24)|
                       (pGdt[pSel->Val].Base_23_16<<16)|
                       (pGdt[pSel->Val].Base_15_0));
            if(!IsRangeValid((ULONG)pGdt,0x8) )
                pGdt=0;
        }
        else
        {
            pGdt=0;
        }
    }

    if(pGdt && Segment)
    {
        DPRINT((0,"GetLinearAddress(): Segment:Offset = %.4X:%.8X\n",Segment,Offset));
        result=pGdt[OriginalSegment>>3].Base_15_0|
               (pGdt[OriginalSegment>>3].Base_23_16<<16)|
               (pGdt[OriginalSegment>>3].Base_31_24<<24);
        result+=Offset;
    }
    DPRINT((0,"GetLinearAddress(%.4X:%.8X)=%.8X\n",OriginalSegment,Offset,result));

    LEAVE_FUNC();

    return result;
}

Referenced by COMMAND_PROTOTYPE(), ConvertTokenToHex(), IsCallInstrAtEIP(), IsRetAtEIP(), OutputIdtEntry(), PrintkCallback(), RealIsr(), UnassembleOneLineDown(), UnassembleOneLineUp(), UnassembleOnePageDown(), and UnassembleOnePageUp().

inb_p()

UCHAR inb_p

(

PUCHAR

port

)

Definition at line 2179 of file utils.c.

{
    return READ_PORT_UCHAR((PUCHAR)port);
}

Referenced by DebuggerShell(), GetKeyData(), GetKeyStatus(), HideCursorVga(), RestoreGraphicsStateVga(), SaveGraphicsStateVga(), and ShowCursorVga().

inl()

ULONG inl

(

PULONG

port

)

Definition at line 2184 of file utils.c.

{
    return READ_PORT_ULONG(port);
}

Referenced by COMMAND_PROTOTYPE(), and EnablePassThrough().

inportb()

UCHAR inportb

(

PUCHAR

port

)

Definition at line 2174 of file utils.c.

{
    return READ_PORT_UCHAR((PUCHAR)port);
}

Referenced by read_vga_reg(), SerialReadByte(), SerialSendByte(), SerialSetOthers(), and SerialSetSpeed().

IntelStackWalk()

void IntelStackWalk	(	ULONG	pc,
		ULONG	ebp,
		ULONG	esp
	)

Definition at line 1530 of file utils.c.

{
    PULONG pFrame, pPrevFrame;
    LPSTR pSymbolName;

    DPRINT((0,"IntelStackWalk(): pc = %X ebp = %X esp = %X\n",pc,ebp,esp));

    pFrame = pPrevFrame = (PULONG)ebp;

    PutStatusText("EIP      FRAME    NAME\n");
    while(1)
    {
        DPRINT((0,"IntelStackWalk(): pFrame = %X pPrevFrame = %X pc =%X\n",(ULONG)pFrame,(ULONG)pPrevFrame,pc));
        if ( ( (ULONG)pFrame & 3 )    ||
             ( (pFrame <= pPrevFrame) ) )
        {
            DPRINT((0,"IntelStackWalk(): pFrame is either unaligned or not less than previous\n"));
            if( !IsRangeValid((ULONG)pFrame, sizeof(PVOID)*2) )
            {
                DPRINT((0,"IntelStackWalk(): pFrame not valid pointer!\n"));
                break;
            }
        }

        if((pSymbolName = FindFunctionByAddress(pc,NULL,NULL)) )
            PICE_sprintf(tempUtil,"%08X %08X %s\n",pc, (ULONG)pFrame,pSymbolName);
        else
            PICE_sprintf(tempUtil,"%08X %08X\n",pc, (ULONG)pFrame);
        Print(OUTPUT_WINDOW,tempUtil);
        if(WaitForKey()==FALSE)break;

        pc = pFrame[1];

        pPrevFrame = pFrame;

        pFrame = (PULONG)pFrame[0]; // proceed to next higher frame on stack
    }
}

Referenced by COMMAND_PROTOTYPE(), and HandleInDebuggerFault().

IsAddressValid()

BOOLEAN IsAddressValid

(

ULONG

Addr

)

Definition at line 611 of file utils.c.

{
    PULONG pPGD;
    PULONG pPTE;
    BOOLEAN bResult = FALSE;

    address &= (~(_PAGE_SIZE-1));

    pPGD = ADDR_TO_PDE(address);
    if(pPGD && ((*pPGD)&_PAGE_PRESENT))
    {
        // not large page
        if(!((*pPGD)&_PAGE_4M))
        {
            pPTE = ADDR_TO_PTE(address);
            if(pPTE)
            {
                bResult = (*pPTE)&(_PAGE_PRESENT | _PAGE_PSE);
            }
        }
        // large page
        else
        {
            bResult = TRUE;
        }
    }

    return bResult;
}

Referenced by BuildModuleList(), COMMAND_PROTOTYPE(), DeInstallSWBreakpoint(), ExtractNumber(), ExtractStructMembers(), ExtractTypeName(), FindFunctionByAddress(), FindSourceLineForAddress(), GetUCHAR(), HandlePageFault(), InstallSWBreakpoint(), IsRangeValid(), ListSymbolStartingAt(), ListUserModules(), NeedToReInstallSWBreakpoints(), PICE_fncmp(), PICE_fnncmp(), PICE_strchr(), PICE_strcmp(), PICE_strcmpi(), PICE_strlen(), PICE_strncmpi(), PICE_strnlen(), PICE_wcsicmp(), PrintkCallback(), ReInstallSWBreakpoint(), RemoveAllSWBreakpoints(), RemoveSWBreakpoint(), RevirtualizeBreakpointsForModule(), ScanExportsByAddress(), ShowStatusLine(), and TryToInstallVirtualSWBreakpoints().

IsAddressWriteable()

BOOLEAN IsAddressWriteable

(

ULONG

Addr

)

Definition at line 650 of file utils.c.

{
    PULONG pPGD;
    PULONG pPTE;

    //address &= (~(_PAGE_SIZE-1));
    pPGD = ADDR_TO_PDE(address);
    if(pPGD && ((*pPGD)&_PAGE_PRESENT))
    {
        // not large page
        if(!((*pPGD)&_PAGE_4M))
        {
            if(!((*pPGD) & _PAGE_RW))
                    return FALSE;

            pPTE = ADDR_TO_PTE(address);
            if(pPTE)
            {
                if( ((*pPTE)&(_PAGE_PRESENT | _PAGE_PSE)) &&
                             ((*pPTE) & _PAGE_RW))
                    return TRUE;
                else
                    return FALSE;
            }
        }
        // large page
        else
            return ((*pPGD) & _PAGE_RW);
    }

    return FALSE;
}

Referenced by DeInstallSWBreakpoint(), InstallSWBreakpoint(), ReInstallSWBreakpoint(), RemoveAllSWBreakpoints(), RemoveSWBreakpoint(), RevirtualizeBreakpointsForModule(), and TryToInstallVirtualSWBreakpoints().

IsCallInstrAtEIP()

BOOLEAN IsCallInstrAtEIP

(

void

)

Definition at line 1008 of file utils.c.

{
PUCHAR linear;
BOOLEAN result=FALSE;

    ENTER_FUNC();
    DPRINT((0,"IsCallInstrAtEIP()\n"));

    linear=(PUCHAR)GetLinearAddress(CurrentCS,CurrentEIP);
    if(IsRangeValid((ULONG)linear,2))
    {
        if(*linear== 0xE8 || // call
           (*linear== 0xFF && ( ((*(linear+1)>>3)&0x7)==0x2 || ((*(linear+1)>>3)&0x7)==0x3) ) || // call
           *linear== 0x9A || // call
           *linear== 0xF2 || // REP
           *linear== 0xF3)   // REP
            result=TRUE;
    }

    LEAVE_FUNC();

    return result;
}

Referenced by COMMAND_PROTOTYPE().

IsRangeValid()

BOOLEAN IsRangeValid	(	ULONG	addr,
		ULONG	Length
	)

Definition at line 735 of file utils.c.

{
ULONG i,NumPages,PageNum;

    // need to only touch one byte per page
    // calculate PICE_number of pages to touch
    NumPages=(Length+(_PAGE_SIZE-1))>>12;

    // calculate PICE_number of page
    PageNum=Addr>>PAGE_SHIFT;

    // touch all pages containing range
    for(i=0;i<NumPages;i++)
    {
        // if any one page is invalid range is invalid
        if(!IsAddressValid((ULONG)((PageNum+i)*_PAGE_SIZE)) )
            return FALSE;
    }

    return TRUE;
}

Referenced by EvaluateSymbol(), ExtractStructMembers(), FindFunctionByAddress(), GetLinearAddress(), IntelStackWalk(), IsCallInstrAtEIP(), ListSymbolStartingAt(), RestoreIdt(), RevirtualizeBreakpointsForModule(), ScanExportsByAddress(), TakeIdtSnapshot(), and ValidityCheckSymbols().

IsRetAtEIP()

BOOLEAN IsRetAtEIP

(

void

)

Definition at line 1038 of file utils.c.

{
    PUCHAR linear;
    BOOLEAN bResult = FALSE;

    ENTER_FUNC();
    DPRINT((0,"IsRetAtEIP()\n"));

    linear=(PUCHAR)GetLinearAddress(CurrentCS,CurrentEIP);

    switch(*linear)
    {
        case 0xc2:
        case 0xc3:
        case 0xca:
        case 0xcb:
        case 0xcf: // IRET/IRETD
            bResult = TRUE;
            break;
    }

    LEAVE_FUNC();

    return bResult;
}

KeyboardFlushKeyboardQueue()

void KeyboardFlushKeyboardQueue

(

void

)

Definition at line 1455 of file utils.c.

{
    //__udelay(10);
    KeStallExecutionProcessor(10);
    while(GetKeyStatus()&OUTPUT_BUFFER_FULL)
    {
        GetKeyData();
        //__udelay(10);
        KeStallExecutionProcessor(10);
    }
}

Referenced by ConsoleInitHercules(), and ConsoleInitVga().

KeyboardGetKeyPolled()

UCHAR KeyboardGetKeyPolled

(

void

)

Definition at line 1375 of file utils.c.

{
    UCHAR ucKey;
    UCHAR ucStatus;
    static BOOLEAN bExtended = FALSE;

    while(ucKey=0,(ucStatus=GetKeyStatus())&OUTPUT_BUFFER_FULL)
    {
        ucKey = 0;
        ucKey = GetKeyData();

        if(ucStatus&MOUSE_OUTPUT_BUFFER_FULL)
            continue;

        DPRINT((1,"GetKeyPolled(): key = %x bExtended=%s\n",ucKey,bExtended?"TRUE":"FALSE"));

        if(SCANCODE_EXTENDED == ucKey)
        {
            DPRINT((1,"extended switched ON\n"));
            bExtended = TRUE;
            continue;
        }
        else
        {
            if(!(ucKey&0x80)) // keypress
            {
                switch(ucKey&0x7f)
                {
                    case SCANCODE_L_CTRL:
                    case SCANCODE_R_CTRL:
                        if(!bExtended)
                            bControl=TRUE;
                        break;
                    case SCANCODE_L_SHIFT:
                    case SCANCODE_R_SHIFT:
                        if(!bExtended)
                            bShift=TRUE;
                        break;
                    case SCANCODE_L_ALT:
                    case SCANCODE_R_ALT:
                        if(!bExtended)
                            bAlt=TRUE;
                        break;
                    default:
                        DPRINT((0,"GetKeyPolled(): control = %u shift = %u alt = %u\n",bControl,bShift,bAlt));
                        return ucKey;
                }
            }
            else
            {
                switch(ucKey&0x7f)
                {
                    case SCANCODE_L_CTRL:
                    case SCANCODE_R_CTRL:
                        if(!bExtended)
                            bControl=FALSE;
                        break;
                    case SCANCODE_L_SHIFT:
                    case SCANCODE_R_SHIFT:
                        if(!bExtended)
                            bShift=FALSE;
                        break;
                    case SCANCODE_L_ALT:
                    case SCANCODE_R_ALT:
                        if(!bExtended)
                            bAlt=FALSE;
                        break;
                }
            }
        }
        bExtended=FALSE;
    }

    return ucKey;
}

Referenced by ConsoleInitHercules(), and ConsoleInitVga().

outb_p()

void outb_p	(	UCHAR	data,
		PUCHAR	port
	)

Definition at line 2159 of file utils.c.

{
    WRITE_PORT_UCHAR((PUCHAR)port, data);
}

Referenced by ConsoleInitHercules(), ConsoleShutdownHercules(), DebuggerShell(), HideCursorVga(), PrintCursorVga(), RestoreGraphicsStateVga(), SaveGraphicsStateVga(), and ShowCursorVga().

outl()

VOID outl	(	ULONG	l,
		PULONG	port
	)

Definition at line 2164 of file utils.c.

{
    WRITE_PORT_ULONG(port, data);
}

Referenced by COMMAND_PROTOTYPE(), and EnablePassThrough().

outportb()

void outportb	(	PUCHAR	port,
		UCHAR	data
	)

Definition at line 2154 of file utils.c.

{
    WRITE_PORT_UCHAR((PUCHAR)port, data);
}

Referenced by read_vga_reg(), SerialSendByte(), SerialSetOthers(), SerialSetSpeed(), and write_vga_reg().

PICE_close()

int PICE_close

(

HANDLE

hFile

)

Definition at line 2300 of file utils.c.

{
    if (NT_SUCCESS( ZwClose((HANDLE)hFile)))
    {
        return 0;
    }
    DPRINT((0,"ZwClose failed:\n"));
    return -1;
}

Referenced by LoadExports(), LoadSymbols(), and LoadSymbolsFromConfig().

PICE_free()

void PICE_free

(

void *

p

)

Definition at line 2222 of file utils.c.

{
    ASSERT( p );
    ExFreePool( p );
}

Referenced by ConsoleShutdownSerial(), ConsoleShutdownVga(), LoadSymbols(), UnloadExports(), and UnloadSymbols().

PICE_isalpha()

int PICE_isalpha

(

int

c

)

Definition at line 352 of file utils.c.

{
    return ((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z'));
}

Referenced by ExtractToken().

PICE_isdigit()

int PICE_isdigit

(

int

c

)

Definition at line 337 of file utils.c.

{
    return ((c>=0x30) && (c<=0x39));
}

Referenced by AddToRingBuffer(), EvaluateSymbol(), ExtractNumber(), ExtractToken(), PICE_isxdigit(), and simple_strtoul().

PICE_islower()

int PICE_islower

(

int

c

)

Definition at line 347 of file utils.c.

{
    return ((c>=0x61) && (c<=0x7a));
}

Referenced by simple_strtoul().

PICE_isprint()

BOOLEAN PICE_isprint

(

char

c

)

Definition at line 248 of file utils.c.

{
    BOOLEAN bResult = FALSE;

    if((ULONG)c>=0x20 && (ULONG)c<=0x7f)
        bResult = TRUE;

    return bResult;
}

Referenced by COMMAND_PROTOTYPE(), and Parse().

PICE_isxdigit()

int PICE_isxdigit

(

int

c

)

Definition at line 342 of file utils.c.

{
    return (PICE_isdigit(c) || ((c>=0x41) && (c<=0x46)) || ((c>=0x61) && (c<=0x66)));
}

Referenced by simple_strtoul().

PICE_len()

size_t PICE_len

(

HANDLE

hFile

)

Definition at line 2310 of file utils.c.

{
    FILE_STANDARD_INFORMATION fs;
    IO_STATUS_BLOCK  iosb;
    NTSTATUS status;

    status = ZwQueryInformationFile( hFile, &iosb, &fs, sizeof fs, FileStandardInformation );
    if( !NT_SUCCESS( status ) ){
        DPRINT((0,"PICE_len: ZwQueryInformationFile error: %x\n", status));
        return 0;
    }
    //ASSERT(fs.EndOfFile.u.HighPart == 0);
    return (size_t)fs.EndOfFile.u.LowPart;
}

Referenced by LoadExports(), LoadSymbols(), and LoadSymbolsFromConfig().

PICE_malloc()

void* PICE_malloc	(	size_t	numBytes,
		BOOLEAN	fromPaged
	)

Definition at line 2212 of file utils.c.

{
    void* res = ExAllocatePool( (fromPaged)?PagedPool:NonPagedPool, numBytes );
    ASSERT(res);
    return res;
}

Referenced by ConsoleInitSerial(), ConsoleInitVga(), LoadExports(), LoadSymbols(), and LoadSymbolsFromConfig().

PICE_memcpy()

void PICE_memcpy	(	void *	t,
		void *	s,
		int	sz
	)

Definition at line 239 of file utils.c.

{
    memcpy(t,s,sz);
}

Referenced by AddToRingBuffer(), AssemblePacket(), COMMAND_PROTOTYPE(), CopyLineToVga(), PICE_strcat(), PICE_strcpy(), PICE_strncpy(), RestoreGraphicsStateVga(), SaveGraphicsStateVga(), and SetWindowGeometry().

PICE_memset()

void PICE_memset	(	void *	p,
		unsigned char	c,
		int	sz
	)

Definition at line 228 of file utils.c.

{
    unsigned char *p2 = (unsigned char *)p;
    while(sz--)
        *p2++ = c;
}

Referenced by AddToRingBuffer(), ClrLineHercules(), COMMAND_PROTOTYPE(), ConsoleInit(), ConsoleInitHercules(), ConsoleInitVga(), DebuggerShell(), EmptyRingBuffer(), Evaluate(), ExtractStructMembers(), InstallInt3Hook(), Parse(), ProcessBootParams(), RemoveAllSWBreakpoints(), RemoveSWBreakpoint(), RepaintDesktop(), RepaintSource(), ReplaceRingBufferCurrent(), RevirtualizeBreakpointsForModule(), and TryToInstallVirtualSWBreakpoints().

PICE_MultiByteToWideChar()

INT WINAPI PICE_MultiByteToWideChar	(	UINT	CodePage,
		DWORD	dwFlags,
		LPCSTR	lpMultiByteStr,
		int	cchMultiByte,
		LPWSTR	lpWideCharStr,
		int	cchWideChar
	)

Definition at line 2335 of file utils.c.

{
    int InStringLength = 0;
    BOOL    InIsNullTerminated = TRUE;
    PCHAR   r;
    PWCHAR  w;
    int cchConverted;

    /*
     * Check the parameters.
     */
    if (    /* --- CODE PAGE --- */
        (   (CP_ACP != CodePage)
            && (CP_MACCP != CodePage)
            && (CP_OEMCP != CodePage))
        /* --- FLAGS --- */
        /*|| (dwFlags ^ (   MB_PRECOMPOSED
                | MB_COMPOSITE
                | MB_ERR_INVALID_CHARS
                | MB_USEGLYPHCHARS
                )
            )*/
        /* --- INPUT BUFFER --- */
        || (NULL == lpMultiByteStr)
        )
    {
        DPRINT((0,"ERROR_INVALID_PARAMETER\n"));
        return 0;
    }
    /*
     * Compute the input buffer length.
     */
    if (-1 == cchMultiByte)
    {
        InStringLength = PICE_strlen(lpMultiByteStr);
    }
    else
    {
        InIsNullTerminated = FALSE;
        InStringLength = cchMultiByte;
    }
    /*
     * Does caller query for output
     * buffer size?
     */
    if (0 == cchWideChar)
    {
        DPRINT((0,"ERROR_SUCCESS\n"));
        return InStringLength;
    }
    /*
     * Is space provided for the translated
     * string enough?
     */
    if (cchWideChar < InStringLength)
    {
        DPRINT((0,"ERROR_INSUFFICIENT_BUFFER: cchWideChar: %d, InStringLength: %d\n", cchWideChar, InStringLength));
        return 0;
    }
    /*
     * Raw 8- to 16-bit conversion.
     */
    for (   cchConverted = 0,
        r = (PCHAR) lpMultiByteStr,
        w = (PWCHAR) lpWideCharStr;

        ((*r) && (cchConverted < cchWideChar));

        r++, w++,
        cchConverted++
        )
    {
        *w = (WCHAR) *r;
    }
    /*
     * Is the input string NULL terminated?
     */
    if (TRUE == InIsNullTerminated)
    {
        *w = L'\0';
        ++cchConverted;
    }
    /*
     * Return how many characters we
     * wrote in the output buffer.
     */
    return cchConverted;
}

Referenced by FindModuleByName(), FindModuleSymbolsByModuleName(), and LoadSymbols().

PICE_open()

HANDLE PICE_open	(	LPCWSTR	lpPathName,
		int	iReadWrite
	)

Definition at line 2250 of file utils.c.

{
    DWORD dwAccessMask = 0;
    DWORD dwShareMode = 0;
    UNICODE_STRING TmpFileName;
    OBJECT_ATTRIBUTES ObjectAttributes;
    IO_STATUS_BLOCK StatusBlock;
    HANDLE hfile;
    NTSTATUS status;


    DPRINT((0,"PICE_open: %S\n", lpPathName));

    if ( (iReadWrite & OF_READWRITE ) == OF_READWRITE )
        dwAccessMask = GENERIC_READ | GENERIC_WRITE;
    else if ( (iReadWrite & OF_READ ) == OF_READ )
        dwAccessMask = GENERIC_READ;
    else if ( (iReadWrite & OF_WRITE ) == OF_WRITE )
        dwAccessMask = GENERIC_WRITE;

    if ((iReadWrite & OF_SHARE_COMPAT) == OF_SHARE_COMPAT )
        dwShareMode = FILE_SHARE_WRITE | FILE_SHARE_READ | FILE_SHARE_DELETE;
    else if ((iReadWrite & OF_SHARE_DENY_NONE) == OF_SHARE_DENY_NONE)
        dwShareMode = FILE_SHARE_WRITE | FILE_SHARE_READ | FILE_SHARE_DELETE;
    else if ((iReadWrite & OF_SHARE_DENY_READ) == OF_SHARE_DENY_READ)
        dwShareMode = FILE_SHARE_WRITE | FILE_SHARE_DELETE;
    else if ((iReadWrite & OF_SHARE_DENY_WRITE) == OF_SHARE_DENY_WRITE )
        dwShareMode = FILE_SHARE_READ | FILE_SHARE_DELETE;
    else if ((iReadWrite & OF_SHARE_EXCLUSIVE) == OF_SHARE_EXCLUSIVE)
        dwShareMode = 0;

    RtlInitUnicodeString (&TmpFileName, lpPathName);
    InitializeObjectAttributes(&ObjectAttributes,
                             &TmpFileName,
                             0,
                             NULL,
                             NULL);

    status = NtOpenFile( &hfile,
                      dwAccessMask,
                      &ObjectAttributes,
                      &StatusBlock, dwShareMode, FILE_NO_INTERMEDIATE_BUFFERING);
    //BUG BUG check status!!!
    if( !NT_SUCCESS( status ) ){
        DPRINT((0,"PICE_open: NtOpenFile error: %x\n", status));
        return 0;
    }
    return hfile;
}

Referenced by LoadExports(), LoadSymbols(), and LoadSymbolsFromConfig().

PICE_read()

long PICE_read	(	HANDLE	hFile,
		LPVOID	lpBuffer,
		long	lBytes
	)

Definition at line 2228 of file utils.c.

{
    DWORD   NumberOfBytesRead;
    IO_STATUS_BLOCK  iosb;

    ASSERT( lpBuffer );

    if (!NT_SUCCESS(NtReadFile(
        hFile,
        NULL, NULL, NULL, &iosb,
        lpBuffer,
        (DWORD) lBytes,
        NULL,
        NULL
        )))
    {
        return -1;
    }
    NumberOfBytesRead = iosb.Information;
    return NumberOfBytesRead;
}

Referenced by LoadExports(), LoadSymbols(), and LoadSymbolsFromConfig().

PICE_sprintf()

int PICE_sprintf	(	char *	buf,
		const char *	fmt,
			...
	)

Definition at line 2053 of file utils.c.

{
    va_list args;
    int i;

    va_start(args, fmt);
    i = PICE_vsprintf(buf,fmt,args);
    va_end(args);
    return i;
}

Referenced by CheckLoadAbort(), COMMAND_PROTOTYPE(), DebuggerShell(), Disassembler(), DisplayRegs(), DisplaySourceFile(), Evaluate(), FindCommand(), FindFunctionByAddress(), IntelStackWalk(), ListSWBreakpoints(), ListSymbolStartingAt(), LoadExports(), OutputIdtEntry(), Parse(), pice_ioctl(), PiceRunningTimer(), RealIsr(), RevirtualizeBreakpointsForModule(), ScanExportsByAddress(), and ShowStatusLine().

PICE_strcat()

char* PICE_strcat	(	char *	s1,
		char *	s2
	)

Definition at line 315 of file utils.c.

{
    ULONG len1 = PICE_strlen(s1);
    ULONG len2 = PICE_strlen(s2);

    PICE_memcpy(&s1[len1],s2,len2+1);

    return s1;
}

Referenced by COMMAND_PROTOTYPE(), DebuggerShell(), DecodeVmFlags(), FindAddressForSourceLine(), FindCommand(), FindGlobalStabSymbol(), FindLocalsByAddress(), FindTypeDefinition(), and FindTypeDefinitionForCombinedTypes().

PICE_strchr()

char* PICE_strchr	(	char *	s,
		char	c
	)

Definition at line 262 of file utils.c.

{
    while(IsAddressValid((ULONG)s) && *s)
    {
        if(*s == c)
            return s;
        s++;
    }
#ifdef DEBUG
    if(!IsAddressValid((ULONG)s) )
    {
        DPRINT((0,"PICE_strchr(): ********************\n"));
        DPRINT((0,"PICE_strchr(): EXCEPTION @ %.8X\n",(ULONG)s));
        DPRINT((0,"PICE_strchr(): ********************\n"));
    }
#endif

    return NULL;
}

Referenced by ConvertTokenToModuleAndName(), ConvertTokenToSymbol(), EvaluateSymbol(), ExtractArray(), ExtractStructMembers(), ExtractTypeNumber(), FindGlobalStabSymbol(), FindTypeDefinition(), FindTypeDefinitionForCombinedTypes(), and Parse().

PICE_strcmp()

ULONG PICE_strcmp	(	char *	s1,
		char *	s2
	)

Definition at line 410 of file utils.c.

{
    ULONG result=1;

    while(IsAddressValid((ULONG)s1) && *s1 && // not end of string
          IsAddressValid((ULONG)s2) && *s2 && // not end of string
          (*s1)==(*s2) )
    {
        s1++;
        s2++;
    }
    // strings same length
    if(*s1==0 && *s2==0)
        result=0;

    return result;
}

PICE_strcmpi()

ULONG PICE_strcmpi	(	char *	s1,
		char *	s2
	)

Definition at line 387 of file utils.c.

{
ULONG result=1;

    while(IsAddressValid((ULONG)s1) && *s1 && // not end of string
          IsAddressValid((ULONG)s2) && *s2 && // not end of string
          PICE_toupper(*s1)==PICE_toupper(*s2) ) // char are the same except case
    {
        s1++;
        s2++;
    }
    // strings same length
    if(*s1==0 && *s2==0)
        result=0;

    return result;
}

Referenced by AddToCommandLineHistory(), COMMAND_PROTOTYPE(), ConvertTokenToModule(), ConvertTokenToSrcFile(), FindAddressForSourceLine(), FindGlobalStabSymbol(), FindSourceLineForAddress(), FindVirtualSwBp(), IsModuleLoaded(), LoadSymbolsFromConfig(), ReplaceKeywordWithValue(), and SetKeyboardLayoutByName().

PICE_strcpy()

char* PICE_strcpy	(	char *	s1,
		char *	s2
	)

Definition at line 302 of file utils.c.

{
    ULONG len2 =  PICE_strlen(s2);

    PICE_memcpy(s1,s2,len2+1);

    return s1;
}

Referenced by AddToCommandLineHistory(), COMMAND_PROTOTYPE(), CompactString(), ConvertTokenToModuleAndName(), ConvertTokenToSymbol(), DebuggerShell(), DecodeVmFlags(), EvaluateSymbol(), ExtractArray(), ExtractStructMembers(), FindAddressForSourceLine(), FindGlobalStabSymbol(), FindLocalsByAddress(), FindSourceLineForAddress(), FindTypeDefinition(), FindTypeDefinitionForCombinedTypes(), FlushSerial(), InstallVirtualSWBreakpoint(), LoadSymbolsFromConfig(), ReplaceRingBufferCurrent(), and RevirtualizeBreakpointsForModule().

PICE_strlen()

USHORT PICE_strlen

(

const char *

s

)

Definition at line 547 of file utils.c.

{
    USHORT i;

    for(i=0;IsAddressValid((ULONG)&s[i]) && s[i]!=0 && i<_PAGE_SIZE;i++);

    if(IsAddressValid((ULONG)&s[i]) && s[i]==0)
        return i;

    return 0;
}

Referenced by AddToCommandLineHistory(), AddToRingBuffer(), COMMAND_PROTOTYPE(), CompactString(), ConvertTokenToLineNumber(), ConvertTokenToModule(), ConvertTokenToSrcFile(), DebuggerShell(), DisplaySourceFile(), EvaluateSymbol(), FindAddressForSourceLine(), FindCommand(), FindGlobalStabSymbol(), FindLocalsByAddress(), FindSourceLineForAddress(), FindTypeDefinition(), FindTypeDefinitionForCombinedTypes(), FlushSerial(), GetShortName(), IsWhiteChar(), LoadSymbolsFromConfig(), Parse(), PICE_MultiByteToWideChar(), PICE_strcat(), PICE_strcpy(), PICE_strncpy(), PICE_strrev(), PICE_strtok(), PICE_vsprintf(), printk(), PrintRingBufferHome(), and PrintRingBufferOffset().

PICE_strncmpi()

ULONG PICE_strncmpi	(	char *	s1,
		char *	s2,
		ULONG	len
	)

Definition at line 362 of file utils.c.

{
ULONG result=1;

    while(len &&
          IsAddressValid((ULONG)s1) && *s1 && // not end of string
          IsAddressValid((ULONG)s2) && *s2 && // not end of string
          PICE_toupper(*s1)==PICE_toupper(*s2) ) // char are the same except case
    {
        s1++;
        s2++;
        len--;
    }
    // strings same length
    if(len==0)
        result=0;

    return result;
}

Referenced by AddToRingBuffer(), ConvertTokenToModule(), ConvertTokenToSrcFile(), FindCommand(), and Parse().

PICE_strncpy()

char* PICE_strncpy	(	char *	s1,
		char *	s2,
		int	len
	)

Definition at line 286 of file utils.c.

{
    ULONG len2 =  PICE_strlen(s2);

    if(len<len2)
        PICE_memcpy(s1,s2,len2+1);
    else
        PICE_memcpy(s1,s2,len);

    return s1;
}

Referenced by ConvertTokenToKeyword(), ConvertTokenToOnOff(), ConvertTokenToSpecialKeyword(), ExtractStructMembers(), FindAddressForSourceLine(), FindGlobalStabSymbol(), FindLocalsByAddress(), and FindSourceLineForAddress().

PICE_strrev()

char* PICE_strrev

(

char *

)

Definition at line 527 of file utils.c.

{
ULONG i,j,len=PICE_strlen(s)-1;
char c;

    for(i=0,j=len;i<j;i++,j--)
    {
        c=s[i]; s[i]=s[j]; s[j]=c;
    }

    return s;
}

Referenced by COMMAND_PROTOTYPE(), and VisualizeFlags().

PICE_vsprintf()

int PICE_vsprintf	(	char *	buf,
		const char *	fmt,
		va_list	args
	)

Definition at line 1850 of file utils.c.

{
    int len;
    unsigned long num;
    int i, base;
    char * str;
    const char *s;
    const wchar_t *sw;

    int flags;      /* flags to PICE_number() */

    int field_width;    /* width of output field */
    int precision;      /* min. # of digits for integers; max
                   PICE_number of chars for from string */
    int qualifier;      /* 'h', 'l', or 'L' for integer fields */

    for (str=buf ; *fmt ; ++fmt) {
        if (*fmt != '%') {
            *str++ = *fmt;
            continue;
        }

        /* process flags */
        flags = 0;
        repeat:
            ++fmt;      /* this also skips first '%' */
            switch (*fmt) {
                case '-': flags |= NUM_LEFT; goto repeat;
                case '+': flags |= NUM_PLUS; goto repeat;
                case ' ': flags |= NUM_SPACE; goto repeat;
                case '#': flags |= NUM_SPECIAL; goto repeat;
                case '0': flags |= NUM_ZEROPAD; goto repeat;
                }

        /* get field width */
        field_width = -1;
        if (is_digit(*fmt))
            field_width = skip_atoi(&fmt);
        else if (*fmt == '*') {
            ++fmt;
            /* it's the next argument */
            field_width = va_arg(args, int);
            if (field_width < 0) {
                field_width = -field_width;
                flags |= NUM_LEFT;
            }
        }

        /* get the precision */
        precision = -1;
        if (*fmt == '.') {
            ++fmt;
            if (is_digit(*fmt))
                precision = skip_atoi(&fmt);
            else if (*fmt == '*') {
                ++fmt;
                /* it's the next argument */
                precision = va_arg(args, int);
            }
            if (precision < 0)
                precision = 0;
        }

        /* get the conversion qualifier */
        qualifier = -1;
        if (*fmt == 'h' || *fmt == 'l' || *fmt == 'L') {
            qualifier = *fmt;
            ++fmt;
        }

        /* default base */
        base = 10;

        switch (*fmt) {
        case 'c':
            if (!(flags & NUM_LEFT))
                while (--field_width > 0)
                    *str++ = ' ';
            *str++ = (unsigned char) va_arg(args, int);
            while (--field_width > 0)
                *str++ = ' ';
            continue;

        case 's':
            s = va_arg(args, char *);
            if (!s)
                s = "<NULL>";

            len = PICE_strnlen(s, precision);

            if (!(flags & NUM_LEFT))
                while (len < field_width--)
                    *str++ = ' ';
            for (i = 0; i < len; ++i)
                *str++ = *s++;
            while (len < field_width--)
                *str++ = ' ';
            continue;

        case 'S':
            if (qualifier == 'h') {
                /* print ascii string */
                s = va_arg(args, char *);
                if (s == NULL)
                    s = "<NULL>";

                len = PICE_strlen (s);
                if ((unsigned int)len > (unsigned int)precision)
                    len = precision;

                if (!(flags & NUM_LEFT))
                    while (len < field_width--)
                        *str++ = ' ';
                for (i = 0; i < len; ++i)
                    *str++ = *s++;
                while (len < field_width--)
                    *str++ = ' ';
            } else {
                /* print unicode string */
                sw = va_arg(args, wchar_t *);
                if (sw == NULL)
                    sw = L"<NULL>";

                len = wcslen (sw);
                if ((unsigned int)len > (unsigned int)precision)
                    len = precision;

                if (!(flags & NUM_LEFT))
                    while (len < field_width--)
                        *str++ = ' ';
                for (i = 0; i < len; ++i)
                    *str++ = (unsigned char)(*sw++);
                while (len < field_width--)
                    *str++ = ' ';
            }
            continue;

        case 'p':
            if (field_width == -1) {
                field_width = 2*sizeof(void *);
                flags |= NUM_ZEROPAD;
            }
            str = PICE_number(str,
                (unsigned long) va_arg(args, void *), 16,
                field_width, precision, flags);
            continue;


        case 'n':
            if (qualifier == 'l') {
                long * ip = va_arg(args, long *);
                *ip = (str - buf);
            } else {
                int * ip = va_arg(args, int *);
                *ip = (str - buf);
            }
            continue;

        case '%':
            *str++ = '%';
            continue;

        /* integer PICE_number formats - set up the flags and "break" */
        case 'o':
            base = 8;
            break;

        case 'X':
            flags |= NUM_LARGE;
        case 'x':
            base = 16;
            break;

        case 'd':
        case 'i':
            flags |= NUM_SIGN;
        case 'u':
            break;

        default:
            *str++ = '%';
            if (*fmt)
                *str++ = *fmt;
            else
                --fmt;
            continue;
        }
        if (qualifier == 'l')
            num = va_arg(args, unsigned long);
        else if (qualifier == 'h') {
            num = (unsigned short) va_arg(args, int);
            if (flags & NUM_SIGN)
                num = (short) num;
        } else if (flags & NUM_SIGN)
            num = va_arg(args, int);
        else
            num = va_arg(args, unsigned int);
        str = PICE_number(str, num, base, field_width, precision, flags);
    }
    *str = '\0';
    return str-buf;
}

Referenced by PICE_sprintf(), and printk().

PICE_wcscpy()

WCHAR* PICE_wcscpy	(	WCHAR *	str1,
		const WCHAR *	str2
	)

Definition at line 559 of file utils.c.

{
  WCHAR *save = str1;

  for (; (*str1 = *str2); ++str2, ++str1);
  return save;
}

Referenced by ListDriverModules(), and ListUserModules().

ReadPhysMem()

ULONG ReadPhysMem	(	ULONG	Address,
		ULONG	ulSize
	)

Definition at line 1633 of file utils.c.

{
    ULONG Page = ((ULONG)TwoPagesForPhysMem+_PAGE_SIZE)&~(_PAGE_SIZE-1);
    PULONG pPTE;
    ULONG temp = 0;
    ULONG oldPTE;

    ENTER_FUNC();
    DPRINT((0,"ReadPhysMem(%.8X,%u)\n",Address,ulSize));
    DPRINT((0,"ReadPhysMem(): Page = %.8X\n",Page));
    pPTE = (PULONG)FindPteForLinearAddress(Page);
    DPRINT((0,"ReadPhysMem(): pPTE = %.8X\n",pPTE));
    if(pPTE)
    {
        oldPTE = *pPTE;
        DPRINT((0,"ReadPhysMem(): oldPTE = %.8X\n",oldPTE));
        temp = (Address & ~(_PAGE_SIZE-1));
        DPRINT((0,"ReadPhysMem(): page-aligned Address = %.8X\n",temp));
        *pPTE = temp|0x1;
        DPRINT((0,"ReadPhysMem(): new PTE = %.8X\n",*pPTE));
        InvalidateLB();
        switch(ulSize)
        {
            case sizeof(UCHAR): // BYTE
                temp = *(PUCHAR)(Page + (Address & (_PAGE_SIZE-1)));
                temp = (UCHAR)temp;
                break;
            case sizeof(USHORT): // WORD
                temp = *(PUSHORT)(Page + (Address & (_PAGE_SIZE-1)));
                temp = (USHORT)temp;
                break;
            case sizeof(ULONG): // DWORD
                temp = *(PULONG)(Page + (Address & (_PAGE_SIZE-1)));
                break;
        }
        *pPTE = oldPTE;
        InvalidateLB();
    }
    LEAVE_FUNC();

    return temp;
}

Referenced by COMMAND_PROTOTYPE().

SaveOldRegs()

void SaveOldRegs

(

void

)

Definition at line 1324 of file utils.c.

{

    ENTER_FUNC();

    OldEAX=CurrentEAX;
    OldEBX=CurrentEBX;
    OldECX=CurrentECX;
    OldEDX=CurrentEDX;
    OldESI=CurrentESI;
    OldEDI=CurrentEDI;
    OldEBP=CurrentEBP;
    OldESP=CurrentESP;
    OldEIP=CurrentEIP;
    OldEFL=CurrentEFL;
    OldCS=CurrentCS;
    OldDS=CurrentDS;
    OldES=CurrentES;
    OldFS=CurrentFS;
    OldGS=CurrentGS;
    OldSS=CurrentSS;

    LEAVE_FUNC();
}

Referenced by DebuggerShell().

SetAddressWriteable()

BOOLEAN SetAddressWriteable	(	ULONG	address,
		BOOLEAN	bSet
	)

Definition at line 688 of file utils.c.

{
    PULONG pPGD;
    PULONG pPTE;

    //address &= (~(_PAGE_SIZE-1));

    pPGD = ADDR_TO_PDE(address);
    if(pPGD && ((*pPGD)&_PAGE_PRESENT))
    {
        // not large page
        if(!((*pPGD)&_PAGE_4M))
        {
            pPTE = ADDR_TO_PTE(address);
            if(pPTE)
            {
                if( (*pPTE)&(_PAGE_PRESENT | _PAGE_PSE) )
                {
                    if( bSet ){
                        *pPTE |= _PAGE_RW;
                    }
                    else{
                        *pPTE &= ~_PAGE_RW;
                    }
                    FLUSH_TLB;
                    return TRUE;
                }
            }
        }
        // large page
        else
        {
            if( bSet )
                *pPGD |= _PAGE_RW;
            else
                *pPGD &= ~_PAGE_RW;
            FLUSH_TLB;
            return TRUE;
        }
    }
    return FALSE;
}

Referenced by DeInstallSWBreakpoint(), InstallSWBreakpoint(), ReInstallSWBreakpoint(), RemoveAllSWBreakpoints(), RemoveSWBreakpoint(), RevirtualizeBreakpointsForModule(), and TryToInstallVirtualSWBreakpoints().

SetHardwareBreakPoint()

void SetHardwareBreakPoint	(	ULONG	ulAddress,
		ULONG	ulReg
	)

Definition at line 878 of file utils.c.

{
    ULONG mask = 0x300;
    ULONG enable_mask = 0x3;

    DPRINT((0,"SetHardwareBreakPoint(%x,DR%x)\n",ulAddress,ulReg));

    enable_mask <<= (ulReg*2);
    mask |= enable_mask;

    DPRINT((0,"mask = %x\n",mask));

    __asm__ __volatile__
    ("\n\t \
        xorl %%eax,%%eax\n\t \
        mov %%eax,%%dr6\n\t \
        mov %%dr7,%%eax\n\t \
        orl %0,%%eax\n\t \
        mov %%eax,%%dr7\n\t \
    "
    :
    :"m" (mask)
    :"eax");

    switch(ulReg)
    {
        case 0:
            __asm__ __volatile__
            ("\n\t \
                mov %0,%%eax\n\t \
                mov %%eax,%%dr0\n\t \
             "
             :
             :"m" (ulAddress)
             :"eax");
             break;
        case 1:
            __asm__ __volatile__
            ("\n\t \
                mov %0,%%eax\n\t \
                mov %%eax,%%dr1\n\t \
             "
             :
             :"m" (ulAddress)
             :"eax");
             break;
        case 2:
            __asm__ __volatile__
            ("\n\t \
                mov %0,%%eax\n\t \
                mov %%eax,%%dr2\n\t \
             "
             :
             :"m" (ulAddress)
             :"eax");
             break;
        case 3:
            __asm__ __volatile__
            ("\n\t \
                mov %0,%%eax\n\t \
                mov %%eax,%%dr3\n\t \
             "
             :
             :"m" (ulAddress)
             :"eax");
             break;
    }
}

Referenced by COMMAND_PROTOTYPE().

SetHardwareBreakPoints()

void SetHardwareBreakPoints

(

void

)

Definition at line 952 of file utils.c.

{
ULONG i;
ULONG mask;
ULONG LinAddr0,LinAddr1,LinAddr2,LinAddr3;
PULONG LinAddr[4]={&LinAddr0,&LinAddr1,&LinAddr2,&LinAddr3};

    ENTER_FUNC();

    // cancel all debug activity
    __asm__("\n\t \
        pushl %eax\n\t \
        xorl %eax,%eax\n\t \
        mov %eax,%dr6\n\t \
        mov %eax,%dr7\n\t \
        popl %eax");
    // build DR7 mask
    for(mask=0,i=0;i<4;i++)
    {
        mask<<=2;
        if(Bp[i].Active && Bp[i].Used && !Bp[i].Virtual)
        {
            mask|=0x03;
            *LinAddr[3-i]=Bp[i].LinearAddress;
            DPRINT((0,"breakpoint %u at %.8X\n",i,Bp[i].LinearAddress));
        }
    }
    if(mask)
    {
        __asm__("\n\t \
            pushl %%eax\n\t \
            movl %0,%%eax\n\t \
            andl $0x000000FF,%%eax\n\t \
            orl $0x300,%%eax\n\t \
            mov %%eax,%%dr7\n\t \
            mov %1,%%eax\n\t \
            mov %%eax,%%dr0\n\t \
            mov %2,%%eax\n\t \
            mov %%eax,%%dr1\n\t \
            mov %3,%%eax\n\t \
            mov %%eax,%%dr2\n\t \
            mov %4,%%eax\n\t \
            mov %%eax,%%dr3\n\t \
            popl %%eax"
            :
            :"m" (mask),"m" (LinAddr0),"m" (LinAddr1),"m" (LinAddr2),"m" (LinAddr3));
    }

    LEAVE_FUNC();
}

SetKeyboardLayoutByName()

PKEYBOARD_LAYOUT SetKeyboardLayoutByName

(

LPSTR

Name

)

Definition at line 208 of file utils.c.

{
  CHAR tempCmd[256];
  ULONG i;

    for(i=0;ucKeyboard[i].name != NULL;i++)
      {
        if(PICE_strcmpi(ucKeyboard[i].name, Name) == 0)
          {
      CurrentKeyboard = &ucKeyboard[i];
          return CurrentKeyboard;
          }
      }
  return GetKeyboardLayout();
}

Referenced by COMMAND_PROTOTYPE().

ShowRunningMsg()

void ShowRunningMsg

(

void

)

Definition at line 843 of file utils.c.

{
    ENTER_FUNC();

    SetForegroundColor(COLOR_TEXT);
    SetBackgroundColor(COLOR_CAPTION);
    ClrLine(wWindow[OUTPUT_WINDOW].y+wWindow[OUTPUT_WINDOW].cy);
    PutChar(" ReactOS is running... (Press CTRL-D to stop) ",1,wWindow[OUTPUT_WINDOW].y+wWindow[OUTPUT_WINDOW].cy);
    ResetColor();

    LEAVE_FUNC();
}

Referenced by DebuggerShell(), and PrintTemplate().

ShowStoppedMsg()

void ShowStoppedMsg

(

void

)

Definition at line 861 of file utils.c.

{
    ENTER_FUNC();

    SetForegroundColor(COLOR_TEXT);
    SetBackgroundColor(COLOR_CAPTION);
    ClrLine(wWindow[OUTPUT_WINDOW].y+wWindow[OUTPUT_WINDOW].cy);
    PutChar(" Stopped... (Type 'x' to continue) ",1,wWindow[OUTPUT_WINDOW].y+wWindow[OUTPUT_WINDOW].cy);
    ResetColor();

    LEAVE_FUNC();
}

Referenced by DebuggerShell(), and RepaintDesktop().

WritePhysMem()

void WritePhysMem	(	ULONG	Address,
		ULONG	Datum,
		ULONG	ulSize
	)

Definition at line 1680 of file utils.c.

{
    ULONG Page = ((ULONG)TwoPagesForPhysMem+_PAGE_SIZE)&~(_PAGE_SIZE-1);
    PULONG pPTE;
    ULONG temp;
    ULONG oldPTE;

    pPTE = (PULONG)FindPteForLinearAddress(Page);
    if(pPTE)
    {
        oldPTE = *pPTE;
        temp = (Address & ~(_PAGE_SIZE-1));
        *pPTE = temp | 0x3; // present and writable
        InvalidateLB();
        switch(ulSize)
        {
            case sizeof(UCHAR): // BYTE
                *(PUCHAR)(Page + (Address & (_PAGE_SIZE-1))) = (UCHAR)Datum;
                break;
            case sizeof(USHORT): // WORD
                *(PUSHORT)(Page + (Address & (_PAGE_SIZE-1))) = (USHORT)Datum;
                break;
            case sizeof(ULONG): // DWORD
                *(PULONG)(Page + (Address & (_PAGE_SIZE-1))) = Datum;
                break;
        }
        *pPTE = oldPTE;
        InvalidateLB();
    }
}

Referenced by COMMAND_PROTOTYPE().

Variable Documentation

CurrentKeyboard

PKEYBOARD_LAYOUT CurrentKeyboard

Definition at line 183 of file utils.c.

Referenced by GetKeyboardLayout(), and SetKeyboardLayoutByName().

my_init_mm

PMADDRESS_SPACE my_init_mm

Definition at line 300 of file utils.h.

Referenced by COMMAND_PROTOTYPE(), HandlePageFault(), and InitPICE().

pPsProcessListHead

LIST_ENTRY* pPsProcessListHead

Definition at line 301 of file utils.h.

Referenced by COMMAND_PROTOTYPE(), and InitPICE().