omDebug.h File Reference

Go to the source code of this file.

Macros
#define	omIsTrackAddr(addr)   0
#define	omIsTrackAddrPage(page)   0
#define	omIsNormalBinPageAddr(addr)   omIsBinPageAddr(addr)
#define	omIsBinAddrTrackAddr(addr)   0
#define	OM_FBIN   1 /* size_bin is bin */
#define	OM_FSIZE   2 /* size_bin is size */
#define	OM_FUSED   4 /* is in use, if set */
#define	OM_FKEPT   8 /* had been freed, if set */
#define	OM_FSTATIC   16 /* if set, considered to be static, i.e. never be freed */
#define	OM_FZERO   32 /* for Alloc0 */
#define	OM_FALIGN   64 /* for AllocAligned */
#define	OM_FSLOPPY   128 /* be sloppy about arguments */
#define	OM_FBINADDR   256 /* addr is bin addr */
#define	OM_FKEEP   512 /* addr is never really freed */
#define	OM_FMAX   1024 - OM_FBIN - OM_FUSED
#define	omGetUsedBlocksOfPage(page)   (page->used_blocks)
#define	omIsStaticTrackAddr(addr)   0
#define	omCheckReturn(cond)    do {omError_t _status = cond; if (_status) return _status;} while (0)
#define	omCheckReturnError(cond, error)    do {if (cond) return omReportError(error, report, OM_FLR_VAL, "");} while (0)
#define	omCheckReturnCorrupted(cond)    omCheckReturnError(cond, omError_MemoryCorrupted)
#define	omAddrCheckReturn(cond)
#define	omAddrCheckReturnError(cond, error)    do {if (cond) return omReportAddrError(error, report, addr, bin_size, flags, OM_FLR_VAL, "");} while (0)
#define	omAddrCheckReturnCorrupted(cond)    omAddrCheckReturnError(cond, omError_MemoryCorrupted)

Typedefs
typedef unsigned short	omTrackFlags_t

Functions
void *	_omDebugAlloc (void *size_bin, omTrackFlags_t flags, OM_CTFL_DECL)
void *	_omDebugRealloc (void *old_addr, void *old_size_bin, void *new_size_bin, omTrackFlags_t old_flags, omTrackFlags_t new_flags, OM_CTFL_DECL)
void	_omDebugFree (void *addr, void *size_bin, omTrackFlags_t flags, OM_CFL_DECL)
void *	_omDebugMemDup (void *addr, omTrackFlags_t flags, OM_CTFL_DECL)
char *	_omDebugStrDup (const char *addr, OM_TFL_DECL)
omError_t	_omDebugBin (omBin bin, OM_CFL_DECL)
omError_t	_omDebugMemory (OM_CFL_DECL)
omError_t	_omDebugAddr (void *addr, void *bin_size, omTrackFlags_t flags, OM_CFL_DECL)
void	omFreeKeptAddr ()
void	omPrintUsedAddrs (FILE *fd, int max_frames)
void	omPrintUsedTrackAddrs (FILE *fd, int max_frames)
void	omMarkAsStaticAddr (void *addr)
void	omMarkMemoryAsStatic ()
void	omUnMarkAsStaticAddr (void *addr)
void	omUnMarkMemoryAsStatic ()
void	omFreeKeptAddrFromBin (omBin bin)
omError_t	omCheckPtr (const void *ptr, omError_t report, OM_FLR_DECL)
omError_t	_omCheckAddr (void *addr, void *size_bin, omTrackFlags_t flags, char check, omError_t report, OM_FLR_DECL)
omError_t	omDoCheckBinAddr (void *addr, void *bin_size, omTrackFlags_t flags, char level, omError_t report, OM_FLR_DECL)
omError_t	_omCheckBin (omBin bin, int normal_bin, char check, omError_t report, OM_FLR_DECL)
omError_t	_omCheckMemory (char check, omError_t report, OM_FLR_DECL)
omError_t	omReportAddrError (omError_t error, omError_t report, void *addr, void *bin_size, omTrackFlags_t flags, OM_FLR_DECL, const char *fmt,...)
omError_t	omDoCheckBin (omBin bin, int normal_bin, char level, omError_t report, OM_FLR_DECL)
void	omIterateTroughAddrs (int normal, int track, void(*CallBackUsed)(void *), void(*CallBackFree)(void *))
void	omIterateTroughBinAddrs (omBin bin, void(*CallBackUsed)(void *), void(*CallBackFree)(void *))
omError_t	omDoCheckAddr (void *addr, void *bin_size, omTrackFlags_t flags, char level, omError_t report, OM_FLR_DECL)
int	omIsInKeptAddrList (void *addr)
void *	omAddr_2_OutAddr (void *addr)
int	omIsKnownMemoryRegion (omBinPageRegion region)
omError_t	omCheckBinPageRegion (omBinPageRegion region, int level, omError_t report, OM_FLR_DECL)
omError_t	omCheckBinPageRegions (int level, omError_t report, OM_FLR_DECL)
omBinPageRegion	omFindRegionOfAddr (void *addr)
int	omIsAddrOnFreeBinPage (void *addr)

Variables
void *	om_KeptAddr
void *	om_LastKeptAddr
unsigned long	om_MaxAddr
unsigned long	om_MinAddr
void *	om_AlwaysKeptAddrs

Macro Definition Documentation

OM_FALIGN

#define OM_FALIGN   64 /* for AllocAligned */

Definition at line 38 of file omDebug.h.

OM_FBIN

#define OM_FBIN   1 /* size_bin is bin */

Definition at line 32 of file omDebug.h.

OM_FBINADDR

#define OM_FBINADDR   256 /* addr is bin addr */

Definition at line 40 of file omDebug.h.

OM_FKEEP

#define OM_FKEEP   512 /* addr is never really freed */

Definition at line 41 of file omDebug.h.

OM_FKEPT

#define OM_FKEPT   8 /* had been freed, if set */

Definition at line 35 of file omDebug.h.

OM_FMAX

#define OM_FMAX   1024 - OM_FBIN - OM_FUSED

Definition at line 44 of file omDebug.h.

OM_FSIZE

#define OM_FSIZE   2 /* size_bin is size */

Definition at line 33 of file omDebug.h.

OM_FSLOPPY

#define OM_FSLOPPY   128 /* be sloppy about arguments */

Definition at line 39 of file omDebug.h.

OM_FSTATIC

#define OM_FSTATIC   16 /* if set, considered to be static, i.e. never be freed */

Definition at line 36 of file omDebug.h.

OM_FUSED

#define OM_FUSED   4 /* is in use, if set */

Definition at line 34 of file omDebug.h.

OM_FZERO

#define OM_FZERO   32 /* for Alloc0 */

Definition at line 37 of file omDebug.h.

omAddrCheckReturn

#define omAddrCheckReturn

(

cond

)

Value:

do                                                                            \
{                                                                             \
  omError_t _status = cond;                                                   \
  if (_status && (_status != omError_MaxError))                               \
  {                                                                           \
    _omPrintAddrInfo(stderr, _status, addr, bin_size, flags, 10, "  occurred for"); \
    return _status;                                                           \
  }                                                                           \
} while (0)

Definition at line 176 of file omDebug.h.

omAddrCheckReturnCorrupted

#define omAddrCheckReturnCorrupted

(

cond

)

omAddrCheckReturnError(cond, omError_MemoryCorrupted)

Definition at line 188 of file omDebug.h.

omAddrCheckReturnError

#define omAddrCheckReturnError	(		cond,
			error
	)		do {if (cond) return omReportAddrError(error, report, addr, bin_size, flags, OM_FLR_VAL, "");} while (0)

Definition at line 186 of file omDebug.h.

omCheckReturn

#define omCheckReturn

(

cond

)

do {omError_t _status = cond; if (_status) return _status;} while (0)

Definition at line 170 of file omDebug.h.

omCheckReturnCorrupted

#define omCheckReturnCorrupted

(

cond

)

omCheckReturnError(cond, omError_MemoryCorrupted)

Definition at line 174 of file omDebug.h.

omCheckReturnError

#define omCheckReturnError	(		cond,
			error
	)		do {if (cond) return omReportError(error, report, OM_FLR_VAL, "");} while (0)

Definition at line 172 of file omDebug.h.

omGetUsedBlocksOfPage

#define omGetUsedBlocksOfPage

(

page

)

(page->used_blocks)

Definition at line 88 of file omDebug.h.

omIsBinAddrTrackAddr

#define omIsBinAddrTrackAddr

(

addr

)

0

Definition at line 15 of file omDebug.h.

omIsNormalBinPageAddr

#define omIsNormalBinPageAddr

(

addr

)

omIsBinPageAddr(addr)

Definition at line 14 of file omDebug.h.

omIsStaticTrackAddr

#define omIsStaticTrackAddr

(

addr

)

0

Definition at line 150 of file omDebug.h.

omIsTrackAddr

#define omIsTrackAddr

(

addr

)

0

Definition at line 12 of file omDebug.h.

omIsTrackAddrPage

#define omIsTrackAddrPage

(

page

)

0

Definition at line 13 of file omDebug.h.

Typedef Documentation

omTrackFlags_t

typedef unsigned short omTrackFlags_t

Definition at line 45 of file omDebug.h.

Function Documentation

_omCheckAddr()

omError_t _omCheckAddr	(	void *	addr,
		void *	size_bin,
		omTrackFlags_t	flags,
		char	check,
		omError_t	report,
		OM_FLR_DECL
	)

Definition at line 36 of file omDebugCheck.c.

{
  if (check <= 0) return omError_NoError;
  if (check > 1)
  {
    omCheckReturn(check > 2 && _omCheckMemory(check - 2, (report ? report : omError_MemoryCorrupted), OM_FLR_VAL));
    omCheckReturn(omIsBinPageAddr(addr) && omDoCheckBin(omGetBinOfAddr(addr), !omIsBinAddrTrackAddr(addr), check-1,
                                                        (report ? report : omError_MemoryCorrupted), OM_FLR_VAL));
  }
  return omDoCheckAddr(addr, size_bin, flags, check, report, OM_FLR_VAL);
}

_omCheckBin()

omError_t _omCheckBin	(	omBin	bin,
		int	normal_bin,
		char	check,
		omError_t	report,
		OM_FLR_DECL
	)

Definition at line 49 of file omDebugCheck.c.

{
  if (check <= 0) return omError_NoError;
 
  omCheckReturn(check > 1 && _omCheckMemory(check - 1, (report ? report : omError_MemoryCorrupted), OM_FLR_VAL));
 
  return omDoCheckBin(bin, what_bin, check, report, OM_FLR_VAL);
}

_omCheckMemory()

omError_t _omCheckMemory	(	char	check,
		omError_t	report,
		OM_FLR_DECL
	)

Definition at line 58 of file omDebugCheck.c.

{
  int i = 0;
  omSpecBin s_bin;
  omBin sticky;
 
  if (check <= 0) return omError_NoError;
 
  omCheckReturn(omCheckBinPageRegions(check, report, OM_FLR_VAL));
 
  for (i=0; i<= OM_MAX_BIN_INDEX; i++)
  {
    omCheckReturn(omDoCheckBin(&om_StaticBin[i], 1, check, report, OM_FLR_VAL));
  }
 
  s_bin = om_SpecBin;
  omCheckReturn(omCheckGList(s_bin, next, check, omError_MemoryCorrupted, OM_FLR_VAL));
  while (s_bin != NULL)
  {
    omCheckReturn(omDoCheckBin(s_bin->bin, 1, check, report, OM_FLR_VAL));
    s_bin = s_bin->next;
  }
 
  sticky = om_StickyBins;
  omCheckReturn(omCheckGList(sticky, next, check, omError_MemoryCorrupted, OM_FLR_VAL));
  while (sticky != NULL)
  {
    omCheckReturn(omDoCheckBin(sticky, 1, check, report, OM_FLR_VAL));
    sticky = sticky->next;
  }
 
#ifdef OM_HAVE_TRACK
  for (i=0; i<= OM_MAX_BIN_INDEX; i++)
  {
    omCheckReturn(omDoCheckBin(&om_StaticTrackBin[i], 0, check, report, OM_FLR_VAL));
  }
  s_bin = om_SpecTrackBin;
  omCheckReturn(omCheckGList(s_bin, next, check, omError_MemoryCorrupted, OM_FLR_VAL));
  while (s_bin != NULL)
  {
    omCheckReturn(omDoCheckBin(s_bin->bin, 0, check, report, OM_FLR_VAL));
    s_bin = s_bin->next;
  }
#endif
 
  if (check > 1)
  {
    if (om_KeptAddr != NULL)
    {
      void* addr = om_KeptAddr;
      omCheckReturn(omCheckList(om_KeptAddr, check - 1, (report ? report :  omError_KeptAddrListCorrupted), OM_FLR_VAL));
      while (addr != NULL)
      {
        omCheckReturn(omDoCheckAddr(addr, NULL, OM_FKEPT, check, report, OM_FLR_VAL));
        addr = *((void**) addr);
      }
    }
    if (om_AlwaysKeptAddrs != NULL)
    {
      void* addr = om_AlwaysKeptAddrs;
      omCheckReturn(omCheckList(om_AlwaysKeptAddrs, check - 1, (report ? report :  omError_KeptAddrListCorrupted), OM_FLR_VAL));
      while (addr != NULL)
      {
        omCheckReturn(omDoCheckAddr(addr, NULL, OM_FKEPT, check, report, OM_FLR_VAL));
        addr = *((void**) addr);
      }
    }
  }
 
  return omError_NoError;
}

_omDebugAddr()

omError_t _omDebugAddr	(	void *	addr,
		void *	bin_size,
		omTrackFlags_t	flags,
		OM_CFL_DECL
	)

Definition at line 278 of file omDebug.c.

{
  OM_R_DEF;
  check = MAX(check,om_Opts.MinCheck);
  check = MIN(check,om_Opts.MaxCheck);
  return _omCheckAddr(addr, bin_size,
                      OM_FUSED|flags,check,omError_NoError,OM_FLR_VAL);
}

_omDebugAlloc()

void * _omDebugAlloc	(	void *	size_bin,
		omTrackFlags_t	flags,
		OM_CTFL_DECL
	)

Definition at line 110 of file omDebug.c.

{
  void* addr;
  OM_R_DEF;
  check = MAX(check, om_Opts.MinCheck);
  track = MAX(track, om_Opts.MinTrack);
  check = MIN(check, om_Opts.MaxCheck);
  track = MIN(track, om_Opts.MaxTrack);
 
  if (check)
  {
    if (check > 1)
    {
      if (flags & OM_FBIN)
        (void) _omCheckBin((omBin)size_bin, 1, check-1, omError_MemoryCorrupted, OM_FLR_VAL);
      else if (check > 2)
      {
        omAssume(flags & OM_FSIZE);
        (void) _omCheckMemory(check-2, omError_MemoryCorrupted, OM_FLR_VAL);
      }
    }
    if (size_bin == NULL && ! (flags & OM_FSLOPPY))
    {
      omReportError(omError_NullSizeAlloc, omError_NoError, OM_FLR_VAL, "");
    }
  }
 
  addr = __omDebugAlloc(size_bin, flags, track, OM_FLR_VAL);
 
#ifdef OM_INTERNAL_DEBUG
  (void) _omCheckAddr(addr, size_bin,flags|OM_FUSED,check, omError_InternalBug, OM_FLR);
#endif
 
  return addr;
}

_omDebugBin()

omError_t _omDebugBin	(	omBin	bin,
		OM_CFL_DECL
	)

Definition at line 293 of file omDebug.c.

{
  OM_R_DEF;
  return _omCheckBin(bin, 1, MAX(check, om_Opts.MinCheck), omError_NoError,OM_FLR_VAL);
}

_omDebugFree()

void _omDebugFree	(	void *	addr,
		void *	size_bin,
		omTrackFlags_t	flags,
		OM_CFL_DECL
	)

Definition at line 182 of file omDebug.c.

{
  OM_R_DEF;
  check = MAX(check, om_Opts.MinCheck);
  check = MIN(check, om_Opts.MaxCheck);
 
  if (check && _omCheckAddr(addr, size_bin, flags|OM_FUSED, check, omError_NoError, OM_FLR_VAL)) return;
 
  __omDebugFree(addr,size_bin,flags, OM_FLR_VAL);
 
#ifdef OM_INTERNAL_DEBUG
  if (flags & OM_FBIN)
    (void) _omCheckBin((omBin)size_bin, 1, check-1,omError_InternalBug, OM_FLR);
  else
    (void) _omCheckMemory(check-2,omError_InternalBug,OM_FLR);
#endif
}

_omDebugMemDup()

void * _omDebugMemDup	(	void *	addr,
		omTrackFlags_t	flags,
		OM_CTFL_DECL
	)

Definition at line 201 of file omDebug.c.

{
  void* ret;
  size_t sizeW;
  OM_R_DEF;
 
  check = MAX(check, om_Opts.MinCheck);
  track = MAX(track, om_Opts.MinTrack);
  check = MIN(check, om_Opts.MaxCheck);
  track = MIN(track, om_Opts.MaxTrack);
 
  if (check & _omCheckAddr(addr, 0, OM_FUSED, check, omError_NoError, OM_FLR_VAL))
  {
    return NULL;
  }
  else
  {
    sizeW = omSizeWOfAddr(addr);
  }
 
  ret = __omDebugAlloc((void*) (sizeW << LOG_SIZEOF_LONG), OM_FSIZE | flags, track, OM_FLR_VAL);
  omMemcpyW(ret, addr, sizeW);
 
#ifdef OM_INTERNAL_DEBUG
  (void) _omCheckAddr(ret, (void*) (sizeW << LOG_SIZEOF_LONG),OM_FUSED|OM_FSIZE,
                     check, omError_InternalBug, OM_FLR);
#endif
  return ret;
}

_omDebugMemory()

omError_t _omDebugMemory

(

OM_CFL_DECL

)

Definition at line 286 of file omDebug.c.

{
  OM_R_DEF;
  check = MAX(check,om_Opts.MinCheck);
  check = MIN(check,om_Opts.MaxCheck);
  return _omCheckMemory(check, omError_NoError,OM_FLR_VAL);
}

_omDebugRealloc()

void * _omDebugRealloc	(	void *	old_addr,
		void *	old_size_bin,
		void *	new_size_bin,
		omTrackFlags_t	old_flags,
		omTrackFlags_t	new_flags,
		OM_CTFL_DECL
	)

Definition at line 147 of file omDebug.c.

{
  void* new_addr = NULL;
  omError_t status = omError_NoError;
  OM_R_DEF;
  check = MAX(check, om_Opts.MinCheck);
  track = MAX(track, om_Opts.MinTrack);
  check = MIN(check, om_Opts.MaxCheck);
  track = MIN(track, om_Opts.MaxTrack);
 
  if (check)
  {
    status = _omCheckAddr(old_addr, old_size_bin, old_flags|OM_FUSED, check, omError_NoError, OM_FLR_VAL);
 
    if (status == omError_NoError && check > 1 && new_flags & OM_FBIN)
      status = omDoCheckBin((omBin)new_size_bin, 1, check-1, omError_MemoryCorrupted, OM_FLR_VAL);
 
    if (new_size_bin == NULL && !(new_flags & OM_FSLOPPY))
    {
      omReportError(omError_NullSizeAlloc, omError_NoError, OM_FLR_VAL, "");
      new_size_bin = (void*) 1;
    }
  }
 
  new_addr = __omDebugRealloc(old_addr, old_size_bin, new_size_bin,
                              status, old_flags, new_flags, track, OM_FLR_VAL);
#ifdef OM_INTERNAL_DEBUG
  if (status == omError_NoError)
    (void) _omCheckAddr(new_addr, new_size_bin,new_flags|OM_FUSED,check, omError_InternalBug, OM_FLR);
#endif
 
  return new_addr;
}

_omDebugStrDup()

char * _omDebugStrDup	(	const char *	addr,
		OM_TFL_DECL
	)

Definition at line 231 of file omDebug.c.

{
#if 0
  unsigned long size;
#endif
  unsigned long i=0;
  char* ret;
  OM_R_DEF;
 
  if (addr == NULL)
  {
    omReportAddrError(omError_NotString, omError_NoError, (char *)addr, 0, 0, OM_FLR_VAL, "NULL String");
    return NULL;
  }
  track = MAX(track, om_Opts.MinTrack);
  track = MIN(track, om_Opts.MaxTrack);
 
#if 0
  // this breaks if SizeOfAddr(addr) > PAGESIZE
  if (omIsBinPageAddr(addr))
  {
    size = omSizeOfAddr(addr);
  }
  else
  {
    size = ULONG_MAX;
  }
#endif
  while ((addr[i] != '\0') /* && (i < size)*/) i++;
// there seems to be no way to check if it is really a string
#if 0
  if (i == size)
  {
    omReportAddrError(omError_NotString, omError_NoError, addr, 0, 0, OM_FLR_VAL, "Not 0 terminated");
    i = size-1;
  }
#endif
  ret = __omDebugAlloc((char*)i+1, OM_FSIZE, track, OM_FLR_VAL);
  memcpy(ret, addr, i);
  ret[i] = '\0';
 
#ifdef OM_INTERNAL_DEBUG
  (void) _omCheckAddr(ret, (void*)i+1,OM_FUSED|OM_FSIZE,om_Opts.MinCheck, omError_InternalBug, OM_FLR);
#endif
  return ret;
}

omAddr_2_OutAddr()

void * omAddr_2_OutAddr

(

void *

addr

)

omCheckBinPageRegion()

omError_t omCheckBinPageRegion	(	omBinPageRegion	region,
		int	level,
		omError_t	report,
		OM_FLR_DECL
	)

Definition at line 505 of file omBinPage.c.

{
  if (level <= 0) return omError_NoError;
 
  omCheckReturn(omCheckPtr(region, report, OM_FLR_VAL));
  omCheckReturnCorrupted(! omIsKnownMemoryRegion(region));
  omCheckReturnCorrupted(! omIsAddrPageAligned(region->addr) || ! omIsAddrPageAligned(region->current));
  omCheckReturnCorrupted(region->used_pages < 0);
  omCheckReturnCorrupted(region->init_pages < 0 || region->init_pages > region->pages);
 
  if (region->init_pages)
  {
    omCheckReturnCorrupted(! omIsAddrPageAligned(region->init_addr));
    omCheckReturnCorrupted(! (region->init_addr >= region->addr
                              && region->init_addr <= region->addr + (region->pages -1)*SIZEOF_SYSTEM_PAGE));
    omCheckReturnCorrupted(region->init_addr !=
                           region->addr + (region->pages - region->init_pages)*SIZEOF_SYSTEM_PAGE);
  }
 
  omCheckReturn(omCheckList(region->current, level, report, OM_FLR_VAL));
  omCheckReturnCorrupted(region->current == NULL && region->used_pages + region->init_pages != region->pages);
  omCheckReturnCorrupted(level > 1 &&
                         omListLength(region->current)+region->used_pages+region->init_pages != region->pages);
  return omError_NoError;
}

omCheckBinPageRegions()

omError_t omCheckBinPageRegions	(	int	level,
		omError_t	report,
		OM_FLR_DECL
	)

Definition at line 531 of file omBinPage.c.

{
  omBinPageRegion iter = om_CurrentBinPageRegion;
 
  if (level <= 0) return omError_NoError;
  if (iter == NULL) return omError_NoError;
 
  omCheckReturnError(om_CurrentBinPageRegion->next != NULL && OM_IS_EMPTY_REGION(om_CurrentBinPageRegion->next),
                     omError_InternalBug);
  omCheckReturnError(om_CurrentBinPageRegion->prev != NULL && ! OM_IS_EMPTY_REGION(om_CurrentBinPageRegion->prev),
                     omError_InternalBug);
 
 
  if (level > 1)
  {
    omBinPageRegion prev_last = (omBinPageRegion) omGListLast(om_CurrentBinPageRegion, prev);
    omBinPageRegion next_last = (omBinPageRegion) omGListLast(om_CurrentBinPageRegion, next);
 
    omCheckReturn(omCheckGList(iter, next, level, report, OM_FLR_VAL));
    omCheckReturn(omCheckGList(iter, prev, level, report, OM_FLR_VAL));
 
    omCheckReturnCorrupted(omGListLength(prev_last, next)
                          !=
                          omGListLength(next_last, prev));
 
    omCheckReturn(omCheckBinPageRegion(om_CurrentBinPageRegion, level - 1, report, OM_FLR_VAL));
 
    iter = om_CurrentBinPageRegion->next;
    while (iter)
    {
      omCheckReturnError(OM_IS_EMPTY_REGION(iter), omError_InternalBug);
 
      omCheckReturn(omCheckBinPageRegion(iter, level - 1, report, OM_FLR_VAL));
      iter = iter->next;
    }
 
    iter = om_CurrentBinPageRegion->prev;
    while (iter)
    {
      omCheckReturnError( !OM_IS_EMPTY_REGION(iter), omError_InternalBug);
      omCheckReturn(omCheckBinPageRegion(iter, level - 1, report, OM_FLR_VAL));
      iter = iter->prev;
    }
  }
  return omError_NoError;
}

omCheckPtr()

omError_t omCheckPtr	(	const void *	ptr,
		omError_t	report,
		OM_FLR_DECL
	)

Definition at line 136 of file omDebugCheck.c.

{
  omCheckReturnError(ptr == NULL, omError_NullAddr);
  omCheckReturnError(!OM_IS_ALIGNED(ptr), omError_UnalignedAddr);
  omCheckReturnError(((unsigned long) ptr) < om_MinAddr ||
                     ((unsigned long) ptr) >= om_MaxAddr, omError_InvalidRangeAddr);
  return omError_NoError;
}

omDoCheckAddr()

omError_t omDoCheckAddr	(	void *	addr,
		void *	bin_size,
		omTrackFlags_t	flags,
		char	level,
		omError_t	report,
		OM_FLR_DECL
	)

Definition at line 146 of file omDebugCheck.c.

{
  if (level <= 0) return omError_NoError;
  omAssume(! ((flags & OM_FSIZE) && (flags & OM_FBIN)));
 
  if (addr == NULL)
  {
    omCheckReturnError(!(flags & OM_FSLOPPY), omError_NullAddr);
    return omError_NoError;
  }
  if ((flags & OM_FSIZE) && bin_size == NULL) return omError_NoError;
  omAddrCheckReturn(omCheckPtr(addr, report, OM_FLR_VAL));
  omAddrCheckReturnError((flags & OM_FALIGN) &&  !OM_IS_STRICT_ALIGNED(addr), omError_UnalignedAddr);
  omAddrCheckReturnError((flags & OM_FBIN) && !omIsKnownTopBin((omBin) bin_size, 1), omError_UnknownBin);
 
  if (omIsBinPageAddr(addr))
  {
#ifdef OM_HAVE_TRACK
    if (omIsBinAddrTrackAddr(addr))
      return omCheckTrackAddr(addr, bin_size, flags, level, report, OM_FLR_VAL);
    else
#endif
      return omDoCheckBinAddr(addr, bin_size, flags, level, report, OM_FLR_VAL);
  }
  else
  {
    return omDoCheckLargeAddr(addr, bin_size, flags, level, report, OM_FLR_VAL);
  }
}

omDoCheckBin()

omError_t omDoCheckBin	(	omBin	bin,
		int	normal_bin,
		char	level,
		omError_t	report,
		OM_FLR_DECL
	)

Definition at line 253 of file omDebugCheck.c.

{
  omBin top_bin = bin;
 
  omCheckReturnError(!omIsKnownTopBin(bin, normal_bin), omError_UnknownBin);
  if (! omIsStickyBin(bin))
    omCheckReturn(omCheckGList(bin->next, next, level, report, OM_FLR_VAL));
 
  do
  {
    int where;
    omBinPage page;
 
    if (bin->last_page == NULL || bin->current_page == om_ZeroPage)
    {
      omCheckReturnCorrupted(! (bin->current_page == om_ZeroPage && bin->last_page == NULL));
      continue;
    }
    omCheckReturn(omDoCheckBinPage(bin->current_page, normal_bin, level, report, OM_FLR_VAL));
    omCheckReturn(bin->current_page != bin->last_page  &&
                  omDoCheckBinPage(bin->last_page, normal_bin, level, report, OM_FLR_VAL));
    omCheckReturnCorrupted(bin->last_page->next != NULL);
 
    if (bin != top_bin)
    {
      omCheckReturnCorrupted(bin->sizeW != top_bin->sizeW ||
                             bin->max_blocks != top_bin->max_blocks);
    }
    if (level <= 1) continue;
 
    if (! omIsStickyBin(bin))
      omCheckReturnCorrupted(omFindInGList(bin->next, next, sticky, bin->sticky));
    omCheckReturn(omCheckGList(bin->last_page, prev, level-1, report, OM_FLR_VAL));
    page = omGListLast(bin->last_page, prev);
    omCheckReturn(omCheckGList(page, next, level-1, report, OM_FLR_VAL));
    omCheckReturnCorrupted(omGListLength(bin->last_page, prev) != omGListLength(page, next));
 
    omCheckReturnCorrupted(! omIsOnGList(bin->last_page, prev, bin->current_page));
 
    page = bin->last_page;
    where = 1;
    while (page != NULL)
    {
      omCheckReturnCorrupted(omGetTopBinOfPage(page) != top_bin);
      omCheckReturn(page != bin->last_page && page != bin->current_page &&
                    omDoCheckBinPage(page, normal_bin, level - 1, report, OM_FLR_VAL));
 
      omCheckReturnCorrupted(page != bin->last_page &&
                             (page->next == NULL || page->next->prev != page));
      omCheckReturnCorrupted(page->prev != NULL && page->prev->next != page);
 
      omCheckReturnCorrupted(omGetStickyOfPage(page) != bin->sticky && bin->sticky < SIZEOF_VOIDP);
      omCheckReturnCorrupted(omGetBinOfPage(page) != bin);
 
      if (where == -1)
      {
        /* we are at the left of current_page,
           i.e., page is empty */
        omCheckReturnCorrupted(omGetUsedBlocksOfPage(page) != 0 || page->current != NULL);
      }
      else
      {
        if (page == bin->current_page)
        {
          where = -1;
        }
        else
        {
          /* we are at the right of current_page,
             i.e., page is neither full nor empty */
          omCheckReturnCorrupted(page->current == NULL ||
                                 omGetUsedBlocksOfPage(page) == bin->max_blocks - 1);
        }
      }
      page = page->prev;
    }   /* while (page != NULL) */
  } while (!omIsStickyBin(bin) && ((bin = bin->next) != NULL));
 
  return omError_NoError;
}

omDoCheckBinAddr()

omError_t omDoCheckBinAddr	(	void *	addr,
		void *	bin_size,
		omTrackFlags_t	flags,
		char	level,
		omError_t	report,
		OM_FLR_DECL
	)

Definition at line 198 of file omDebugCheck.c.

{
  omBinPage page = omGetBinPageOfAddr(addr);
  omBinPageRegion region = page->region;
  omBin bin = omGetBinOfPage(page);
 
  omAssume(omIsBinPageAddr(addr));
  omAssume(! omCheckPtr(addr, 0, OM_FLR));
 
  omAddrCheckReturnCorrupted(! omIsKnownTopBin(bin, ! omIsBinAddrTrackAddr(addr)));
 
  if (flags & OM_FBINADDR && flags & OM_FSIZE)
    omAddrCheckReturnError(bin->sizeW*SIZEOF_LONG != (size_t) bin_size, omError_WrongSize);
 
  if (level > 1)
  {
    omAddrCheckReturnError(omIsAddrOnFreeBinPage(addr), omError_FreedAddr);
    omAddrCheckReturnError(omFindRegionOfAddr(addr) != region, omError_FreedAddrOrMemoryCorrupted);
    omAddrCheckReturnError(!omIsOnGList(bin->last_page, prev, page), omError_FreedAddrOrMemoryCorrupted);
 
    if (flags & OM_FUSED)
    {
      omAddrCheckReturnError(omIsOnList(page->current, addr), omError_FreedAddr);
      omAddrCheckReturnError((level > 1) && omIsInKeptAddrList(addr), omError_FreedAddr);
    }
  }
  else
  {
    omAddrCheckReturnError(omCheckPtr(region, omError_MaxError, OM_FLR_VAL), omError_FreedAddrOrMemoryCorrupted);
  }
 
 
  /* Check that addr is aligned within page of bin */
  omAddrCheckReturnError((bin->max_blocks >= 1) &&
                         ( ( ( (unsigned long) addr)
                             - ((unsigned long) page)
                             - SIZEOF_OM_BIN_PAGE_HEADER)
                           % (bin->sizeW * SIZEOF_VOIDP)
                           != 0), omError_FalseAddr);
 
  /* Check that specified bin or size is correct */
  omAddrCheckReturnError((flags & OM_FBIN) &&  bin_size != NULL
                         && ((omBin) bin_size) != omGetTopBinOfAddr(addr), omError_WrongBin);
 
  if ((flags & OM_FSIZE) && (!(flags & OM_FSLOPPY)  || (size_t) bin_size > 0))
  {
    size_t size = (size_t) bin_size;
    omAssume(!omIsBinAddrTrackAddr(addr));
    omAddrCheckReturnError((bin->sizeW << LOG_SIZEOF_LONG) < OM_ALIGN_SIZE(size), omError_WrongSize);
  }
 
  return omError_NoError;
}

omFindRegionOfAddr()

omBinPageRegion omFindRegionOfAddr

(

void *

addr

)

Definition at line 578 of file omBinPage.c.

{
  omBinPageRegion region = om_CurrentBinPageRegion;
 
  if (region == NULL) return 0;
  region = omGListLast(region, prev);
  do
  {
    if ((char *)addr >= region->addr
    && (char *)addr < region->addr + (region->pages)*SIZEOF_SYSTEM_PAGE)
      return region;
    region = region->next;
  }
  while (region != NULL);
  return NULL;
}

omFreeKeptAddr()

void omFreeKeptAddr

(

)

Definition at line 609 of file omDebug.c.

{
  void* next;
  omBin bin;
  omTrackFlags_t flags;
  void* addr = om_KeptAddr;
 
  if (om_LastKeptAddr != NULL)
    *((void**) om_LastKeptAddr) = om_AlwaysKeptAddrs;
 
  om_NumberOfKeptAddrs = 0;
  om_LastKeptAddr = NULL;
  om_AlwaysKeptAddrs = NULL;
  om_KeptAddr = NULL;
 
  while (addr != NULL)
  {
    next = *((void**)addr);
    bin = omGetOrigSpecBinOfAddr(addr);
 
#ifdef OM_HAVE_TRACK
    if (omIsTrackAddr(addr))
    {
      omMarkAsFreeTrackAddr(addr, 0, &flags, OM_FLR);
      omFreeTrackAddr(addr);
    }
    else
#endif
      __omFree(addr);
 
    addr = next;
    if (bin != NULL) omUnGetSpecBin(&bin);
  }
}

omFreeKeptAddrFromBin()

void omFreeKeptAddrFromBin

(

omBin

bin

)

Definition at line 542 of file omDebug.c.

{
  void* addr = om_KeptAddr;
  void* prev_addr = NULL;
  void* next_addr;
  omTrackFlags_t flags;
 
  while (addr != NULL)
  {
    next_addr = *((void**) addr);
    if (omIsBinPageAddr(addr) && omGetTopBinOfAddr(addr) == bin)
    {
      if (prev_addr != NULL)
        *((void**) prev_addr) = next_addr;
      else
        om_KeptAddr =  next_addr;
      if (addr == om_LastKeptAddr)
        om_LastKeptAddr = prev_addr;
      om_NumberOfKeptAddrs--;
#ifdef OM_HAVE_TRACK
      if (omIsTrackAddr(addr))
      {
        omMarkAsFreeTrackAddr(addr, 0, &flags, OM_FLR);
        omFreeTrackAddr(addr);
      }
    else
#endif
      __omFree(addr);
      addr = next_addr;
    }
    else
    {
      prev_addr = addr;
      addr = next_addr;
    }
  }
 
  addr = om_AlwaysKeptAddrs;
  prev_addr = NULL;
  while (addr != NULL)
  {
    next_addr = *((void**) addr);
    if (omIsBinPageAddr(addr) && omGetTopBinOfAddr(addr) == bin)
    {
      if (prev_addr != NULL)
        *((void**) prev_addr) = next_addr;
      else
        om_AlwaysKeptAddrs = next_addr;
#ifdef OM_HAVE_TRACK
      if (omIsTrackAddr(addr))
      {
        omMarkAsFreeTrackAddr(addr, 0, &flags, OM_FLR);
        omFreeTrackAddr(addr);
      }
    else
#endif
      __omFree(addr);
      addr = next_addr;
    }
    else
    {
      prev_addr = addr;
      addr = next_addr;
    }
  }
}

omIsAddrOnFreeBinPage()

int omIsAddrOnFreeBinPage

(

void *

addr

)

Definition at line 595 of file omBinPage.c.

{
  char *c_addr=(char *)addr;
  omBinPageRegion region = om_CurrentBinPageRegion;
 
  if (region == NULL) return 0;
  do
  {
    if (c_addr > region->addr && c_addr < region->addr + (region->pages)*SIZEOF_SYSTEM_PAGE)
    {
      if (omIsOnList(region->current, omGetPageOfAddr(addr))) return 1;
      return 0;
    }
    region = region->next;
  }
  while (region != NULL);
  return 0;
}

omIsInKeptAddrList()

int omIsInKeptAddrList

(

void *

addr

)

Definition at line 743 of file omDebugTrack.c.

{
  void* ptr = om_KeptAddr;
  int ret = 0;
 
#ifdef OM_HAVE_TRACK
  if (omIsTrackAddr(addr))
    addr = omOutAddr_2_TrackAddr(addr);
#endif
 
  if (om_LastKeptAddr != NULL)
    *((void**) om_LastKeptAddr) = om_AlwaysKeptAddrs;
 
  while (ptr != NULL)
  {
    if (ptr == addr)
    {
      ret = 1; break;
    }
    ptr = *((void**) ptr);
  }
 
  if (om_LastKeptAddr != NULL)
    *((void**) om_LastKeptAddr) = NULL;
 
  return ret;
}

omIsKnownMemoryRegion()

int omIsKnownMemoryRegion

(

omBinPageRegion

region

)

Definition at line 489 of file omBinPage.c.

{
  omBinPageRegion iter = om_CurrentBinPageRegion;
 
  if (region == NULL || iter == NULL) return 0;
  iter = omGListLast(om_CurrentBinPageRegion, prev);
  do
  {
    if (region == iter) return 1;
    iter = iter->next;
  }
  while (iter != NULL);
  return 0;
}

omIterateTroughAddrs()

void omIterateTroughAddrs	(	int	normal,
		int	track,
		void(*)(void *)	CallBackUsed,
		void(*)(void *)	CallBackFree
	)

Definition at line 503 of file omDebugCheck.c.

{
  int i;
  omSpecBin s_bin;
  omBin sticky;
 
  if (normal)
  {
    for (i=0; i<=OM_MAX_BIN_INDEX; i++)
    {
      omIterateTroughBinAddrs(&om_StaticBin[i], CallBackUsed, CallBackFree);
    }
    s_bin = om_SpecBin;
    while (s_bin != NULL)
    {
      omIterateTroughBinAddrs(s_bin->bin, CallBackUsed, CallBackFree);
      s_bin = s_bin->next;
    }
  }
 
#ifdef OM_HAVE_TRACK
  if (track)
  {
    for (i=0; i<=OM_MAX_BIN_INDEX; i++)
    {
      omIterateTroughBinAddrs(&om_StaticTrackBin[i], CallBackUsed, CallBackFree);
    }
    s_bin = om_SpecTrackBin;
    while (s_bin != NULL)
    {
      omIterateTroughBinAddrs(s_bin->bin, CallBackUsed, CallBackFree);
      s_bin = s_bin->next;
    }
  }
#endif
  sticky = om_StickyBins;
  while (sticky != NULL)
  {
    omIterateTroughBinAddrs(sticky, CallBackUsed, CallBackFree);
    sticky = sticky->next;
  }
}

omIterateTroughBinAddrs()

void omIterateTroughBinAddrs	(	omBin	bin,
		void(*)(void *)	CallBackUsed,
		void(*)(void *)	CallBackFree
	)

Definition at line 464 of file omDebugCheck.c.

{
  omBinPage page;
  char* addr;
  int is_free;
  int i;
 
  do
  {
    page = bin->last_page;
    while (page != NULL)
    {
      addr = (char*) page + SIZEOF_OM_BIN_PAGE_HEADER;
      i = 0;
      do
      {
        is_free = omIsOnList(page->current, addr) != NULL
                  || omIsInKeptAddrList(addr);
        if (is_free)
        {
          if (CallBackFree != NULL) CallBackFree(addr);
        }
        else
        {
          if (CallBackUsed != NULL) CallBackUsed(addr);
        }
        addr = (char *)((char**) addr) + bin->sizeW;
        i++;
      } while (i < bin->max_blocks);
      page = page->prev;
    }
    if (omIsStickyBin(bin))
      bin = NULL;
    else
      bin = bin->next;
  } while (bin != NULL);
 
}

omMarkAsStaticAddr()

void omMarkAsStaticAddr

(

void *

addr

)

omMarkMemoryAsStatic()

void omMarkMemoryAsStatic

(

)

omPrintUsedAddrs()

void omPrintUsedAddrs	(	FILE *	fd,
		int	max_frames
	)

Definition at line 565 of file omDebugCheck.c.

{
  om_total_used_size = 0;
  om_total_used_blocks = 0;
  om_print_used_addr_fd = (fd == NULL ? stdout : fd);
  om_print_frames = max;
  omIterateTroughAddrs(1, 1, _omPrintUsedAddr, NULL);
  fprintf(fd, "UsedAddrs Summary: UsedBlocks:%ld  TotalSize:%ld\n",
          om_total_used_blocks, (long)om_total_used_size);
}

omPrintUsedTrackAddrs()

void omPrintUsedTrackAddrs	(	FILE *	fd,
		int	max_frames
	)

Definition at line 576 of file omDebugCheck.c.

{
  om_total_used_size = 0;
  om_total_used_blocks = 0;
  om_print_used_addr_fd = (fd == NULL ? stdout : fd);
  om_print_frames = max;
  omIterateTroughAddrs(0, 1 ,  _omPrintUsedAddr, NULL);
  fprintf(fd, "UsedTrackAddrs Summary: UsedBlocks:%ld  TotalSize:%ld\n",
          om_total_used_blocks, (long)om_total_used_size);
}

omReportAddrError()

omError_t omReportAddrError	(	omError_t	error,
		omError_t	report,
		void *	addr,
		void *	bin_size,
		omTrackFlags_t	flags,
		OM_FLR_DECL	,
		const char *	fmt,
			...
	)

Definition at line 394 of file omDebugCheck.c.

{
  int max_check, max_track;
  va_list ap;
  va_start(ap, fmt);
 
  /* reset MaxTrack and MaxCheck to prevent infinite loop, in case
     printf allocates memory */
  max_check = om_Opts.MaxCheck;
  max_track = om_Opts.MaxTrack;
  om_Opts.MaxCheck = 0;
  om_Opts.MaxTrack = 0;
 
  om_CallErrorHook = 0;
  omReportError(error, report_error, OM_FLR_VAL, fmt, ap);
  om_CallErrorHook = 1;
 
  if ((error!=omError_NotBinAddr)&&(error!=omError_FreedAddr))
    _omPrintAddrInfo(stderr, error, addr, bin_size, flags, 10, " occurred for");
  om_Opts.ErrorHook();
 
  om_Opts.MaxCheck = max_check;
  om_Opts.MaxTrack = max_track;
  return om_ErrorStatus;
}

omUnMarkAsStaticAddr()

void omUnMarkAsStaticAddr

(

void *

addr

)

omUnMarkMemoryAsStatic()

void omUnMarkMemoryAsStatic

(

)

Variable Documentation

om_AlwaysKeptAddrs

void* om_AlwaysKeptAddrs

extern

Definition at line 31 of file omDebug.c.

om_KeptAddr

void* om_KeptAddr

extern

Definition at line 28 of file omDebug.c.

om_LastKeptAddr

void* om_LastKeptAddr

extern

Definition at line 30 of file omDebug.c.

om_MaxAddr

unsigned long om_MaxAddr

extern

Definition at line 19 of file omDebugCheck.c.

om_MinAddr

unsigned long om_MinAddr

extern

Definition at line 20 of file omDebugCheck.c.