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rf_debugMem.h revision 1.3 
      1 /*	$NetBSD: rf_debugMem.h,v 1.3 1999/01/26 02:33:54 oster Exp $	*/
      2 /*
      3  * Copyright (c) 1995 Carnegie-Mellon University.
      4  * All rights reserved.
      5  *
      6  * Author: Daniel Stodolsky, Mark Holland
      7  *
      8  * Permission to use, copy, modify and distribute this software and
      9  * its documentation is hereby granted, provided that both the copyright
     10  * notice and this permission notice appear in all copies of the
     11  * software, derivative works or modified versions, and any portions
     12  * thereof, and that both notices appear in supporting documentation.
     13  *
     14  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
     15  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
     16  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
     17  *
     18  * Carnegie Mellon requests users of this software to return to
     19  *
     20  *  Software Distribution Coordinator  or  Software.Distribution (at) CS.CMU.EDU
     21  *  School of Computer Science
     22  *  Carnegie Mellon University
     23  *  Pittsburgh PA 15213-3890
     24  *
     25  * any improvements or extensions that they make and grant Carnegie the
     26  * rights to redistribute these changes.
     27  */
     28 
     29 /*
     30  * rf_debugMem.h -- memory leak debugging module
     31  *
     32  * IMPORTANT:  if you put the lock/unlock mutex stuff back in here, you
     33  *             need to take it out of the routines in debugMem.c
     34  *
     35  */
     36 
     37 #ifndef _RF__RF_DEBUGMEM_H_
     38 #define _RF__RF_DEBUGMEM_H_
     39 
     40 #include "rf_archs.h"
     41 #include "rf_alloclist.h"
     42 #include "rf_options.h"
     43 
     44 #ifndef _KERNEL
     45 
     46 #ifndef __NetBSD__
     47 void *malloc(), *calloc();
     48 #endif
     49 RF_DECLARE_EXTERN_MUTEX(rf_debug_mem_mutex)
     50 
     51 /*
     52  * redzone malloc, calloc, and free allocate an extra 16 bytes on each
     53  * malloc/calloc call to allow tracking of overflows on free.
     54  */
     55 
     56 #if RF_MEMORY_REDZONES > 0
     57 #define rf_redzone_malloc(_p_,_size_)     _p_ = rf_real_redzone_malloc(_size_)
     58 #define rf_redzone_calloc(_p_,_n_,_size_) _p_ = rf_real_redzone_calloc(_n_,_size_)
     59 #define rf_redzone_free(_p_)              rf_real_redzone_free(_p_, __LINE__, __FILE__)
     60 #else /* RF_MEMORY_REDZONES > 0 */
     61 #define rf_redzone_malloc(_p_,_size_)        _p_ = malloc(_size_)
     62 #define rf_redzone_calloc(_p_,_nel_,_size_)  _p_ = calloc(_nel_,_size_)
     63 #define rf_redzone_free(_ptr_)             free(_ptr_)
     64 #endif /* RF_MEMORY_REDZONES > 0 */
     65 
     66 #define RF_Malloc(_p_, _size_, _cast_) { \
     67       _p_ = _cast_ rf_real_Malloc(_size_, __LINE__, __FILE__); \
     68 }
     69 
     70 #define RF_MallocAndAdd(_p_, _size_, _cast_, _alist_) { \
     71       _p_ = _cast_ rf_real_MallocAndAdd(_size_, _alist_, __LINE__, __FILE__); \
     72 }
     73 
     74 #define RF_Calloc(_p_, _nel_, _elsz_, _cast_) { \
     75       _p_ = _cast_ rf_real_Calloc(_nel_, _elsz_, __LINE__, __FILE__); \
     76 }
     77 
     78 #define RF_CallocAndAdd(_p_, _nel_, _elsz_, _cast_, _alist_) { \
     79       _p_ = _cast_ rf_real_CallocAndAdd(_nel_, _elsz_, _alist_, __LINE__, __FILE__); \
     80 }
     81 
     82 #define RF_Free(__p_, _sz_) { \
     83       rf_real_Free(__p_, _sz_, __LINE__, __FILE__); \
     84 }
     85 
     86 #else  /* KERNEL */
     87 
     88 #include <sys/types.h>
     89 typedef u_int32_t U32;
     90 #include <sys/malloc.h>
     91 
     92 
     93 
     94 #define RF_Malloc(_p_, _size_, _cast_)                                      \
     95   {                                                                      \
     96      _p_ = _cast_ malloc((u_long)_size_, M_RAIDFRAME, M_WAITOK); \
     97      bzero((char *)_p_, _size_); \
     98      if (rf_memDebug) rf_record_malloc(_p_, _size_, __LINE__, __FILE__);       \
     99   }
    100 
    101 #define RF_MallocAndAdd(__p_, __size_, __cast_, __alist_)                   \
    102   {                                                                      \
    103      RF_Malloc(__p_, __size_, __cast_);                                     \
    104      if (__alist_) rf_AddToAllocList(__alist_, __p_, __size_);              \
    105   }
    106 
    107 #define RF_Calloc(_p_, _nel_, _elsz_, _cast_)                               \
    108   {                                                                      \
    109      RF_Malloc( _p_, (_nel_) * (_elsz_), _cast_);                           \
    110      bzero( (_p_), (_nel_) * (_elsz_) );                                 \
    111    }
    112 
    113 #define RF_CallocAndAdd(__p,__nel,__elsz,__cast,__alist)                     \
    114   {                                                                       \
    115      RF_Calloc(__p, __nel, __elsz, __cast);                                  \
    116      if (__alist) rf_AddToAllocList(__alist, __p, (__nel)*(__elsz));         \
    117   }
    118 
    119 #define RF_Free(_p_, _sz_)                                                   \
    120   {                                                                       \
    121 	free((void *)(_p_), M_RAIDFRAME);                                      \
    122     if (rf_memDebug) rf_unrecord_malloc(_p_, (U32) (_sz_));                     \
    123   }
    124 
    125 #endif /* _KERNEL */
    126 
    127 #ifndef _KERNEL
    128 void *rf_real_redzone_malloc(int size);
    129 void *rf_real_redzone_calloc(int n, int size);
    130 void rf_real_redzone_free(char *p, int line, char *filen);
    131 char *rf_real_Malloc(int size, int line, char *file);
    132 char *rf_real_Calloc(int nel, int elsz, int line, char *file);
    133 void rf_real_Free(void *p, int sz, int line, char *file);
    134 void rf_validate_mh_table(void);
    135 #if RF_UTILITY == 0
    136 char *rf_real_MallocAndAdd(int size, RF_AllocListElem_t *alist, int line, char *file);
    137 char *rf_real_CallocAndAdd(int nel, int elsz, RF_AllocListElem_t *alist, int line, char *file);
    138 #endif /* RF_UTILITY == 0 */
    139 #endif /* !KERNEL */
    140 
    141 void rf_record_malloc(void *p, int size, int line, char *filen);
    142 void rf_unrecord_malloc(void *p, int sz);
    143 void rf_print_unfreed(void);
    144 int rf_ConfigureDebugMem(RF_ShutdownList_t **listp);
    145 void rf_ReportMaxMem(void);
    146 
    147 #endif /* !_RF__RF_DEBUGMEM_H_ */
    148