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/*
* Copyright (C) 2003 Serge van den Boom
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
* Nota bene: later versions of the GNU General Public License do not apply
* to this program.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <assert.h>
#include <stdio.h>
#include "memdebug.h"
#include "hashtable.h"
#include "mem.h"
#include "uioutils.h"
#include "types.h"
#include "uioport.h"
// I'm intentionally not including the .h files. It would only make things
// messy, because the second arguments would be other pointers, which
// would require typecasts of the functions in uio_MemDebug_logTypeInfo.
extern void uio_DirHandle_print(FILE *out, const void *);
extern void uio_printMountInfo(FILE *out, const void *);
extern void uio_printMountTreeItem(FILE *out, const void *);
extern void uio_printPathComp(FILE *out, const void *);
// Must be in the same order as in uio_MemDebug_LogTypes
// Change the third field to have debug info printed for specific actions.
// See memdebug.h file the possible values.
const uio_MemDebug_LogTypeInfo uio_MemDebug_logTypeInfo[] = {
{ "uio_DirHandle", uio_DirHandle_print, 0 },
{ "uio_FileSystemInfo", NULL, 0 },
{ "uio_GPDir", NULL, 0 },
{ "uio_GPFile", NULL, 0 },
{ "uio_GPRoot", NULL, 0 },
{ "uio_Handle", NULL, 0 },
{ "uio_MountHandle", NULL, 0 },
{ "uio_MountInfo", uio_printMountInfo, 0 },
{ "uio_MountTree", NULL, 0 },
{ "uio_MountTreeItem", uio_printMountTreeItem, 0 },
{ "uio_PathComp", uio_printPathComp, 0 },
{ "uio_PFileHandle", NULL, 0 },
{ "uio_PDirHandle", NULL, 0 },
{ "uio_PRoot", NULL, 0 },
{ "uio_Repository", NULL, 0 },
{ "uio_Stream", NULL, 0 },
{ "stdio_GPDirData", NULL, 0 },
#ifdef HAVE_ZIP
{ "zip_GPFileData", NULL, 0 },
{ "zip_GPDirData", NULL, 0 },
#endif
};
HashTable_HashTable **uio_MemDebug_logs;
static uio_uint32 uio_MemDebug_pointerHash(const void *ptr);
static uio_bool uio_MemDebug_pointerCompare(const void *ptr1, const void *ptr2);
static void *uio_MemDebug_pointerCopy(const void *ptr);
static void uio_MemDebug_pointerFree(void *ptr);
static inline uio_MemDebug_PointerInfo *uio_MemDebug_PointerInfo_new(int ref);
static inline void uio_MemDebug_PointerInfo_delete(
uio_MemDebug_PointerInfo *pointerInfo);
static inline uio_MemDebug_PointerInfo *uio_MemDebug_PointerInfo_alloc(void);
static inline void uio_MemDebug_PointerInfo_free(
uio_MemDebug_PointerInfo *pointerInfo);
void
uio_MemDebug_init(void) {
int i;
assert((int) uio_MemDebug_numLogTypes ==
(sizeof uio_MemDebug_logTypeInfo /
sizeof uio_MemDebug_logTypeInfo[0]));
uio_MemDebug_logs = uio_malloc(uio_MemDebug_numLogTypes *
sizeof (HashTable_HashTable *));
for (i = 0; i < uio_MemDebug_numLogTypes; i++) {
uio_MemDebug_logs[i] = HashTable_newHashTable(
uio_MemDebug_pointerHash,
uio_MemDebug_pointerCompare,
uio_MemDebug_pointerCopy,
uio_MemDebug_pointerFree,
4, 0.85, 0.90);
}
}
void
uio_MemDebug_unInit(void) {
int i;
for (i = 0; i < uio_MemDebug_numLogTypes; i++)
HashTable_deleteHashTable(uio_MemDebug_logs[i]);
uio_free(uio_MemDebug_logs);
}
static uio_uint32
uio_MemDebug_pointerHash(const void *ptr) {
uio_uintptr ptrInt;
ptrInt = (uio_uintptr) ptr;
return (uio_uint32) (ptrInt ^ (ptrInt >> 10) ^ (ptrInt >> 20));
}
static uio_bool
uio_MemDebug_pointerCompare(const void *ptr1, const void *ptr2) {
return ptr1 == ptr2;
}
static void *
uio_MemDebug_pointerCopy(const void *ptr) {
return unconst(ptr);
}
static void
uio_MemDebug_pointerFree(void *ptr) {
(void) ptr;
}
void
uio_MemDebug_logAllocation(uio_MemDebug_LogType type, void *ptr) {
uio_MemDebug_PointerInfo *pointerInfo;
if (ptr == NULL) {
fprintf(stderr, "Fatal: Allocated pointer is (%s *) NULL.\n",
uio_MemDebug_logTypeInfo[(int) type].name);
abort();
}
if (uio_MemDebug_logTypeInfo[(int) type].flags & uio_MemDebug_PRINT_ALLOC) {
fprintf(stderr, "Alloc ");
uio_MemDebug_printPointer(stderr, type, ptr);
fprintf(stderr, "\n");
}
pointerInfo = uio_MemDebug_PointerInfo_new(1);
HashTable_add(uio_MemDebug_logs[type], ptr, (void *) pointerInfo);
}
void
uio_MemDebug_logDeallocation(uio_MemDebug_LogType type, void *ptr) {
uio_MemDebug_PointerInfo *pointerInfo;
if (ptr == NULL) {
fprintf(stderr, "Fatal: Attempt to free (%s *) NULL pointer.\n",
uio_MemDebug_logTypeInfo[(int) type].name);
abort();
}
if (uio_MemDebug_logTypeInfo[(int) type].flags & uio_MemDebug_PRINT_FREE) {
fprintf(stderr, "Free ");
uio_MemDebug_printPointer(stderr, type, ptr);
fprintf(stderr, "\n");
}
pointerInfo = HashTable_find(uio_MemDebug_logs[type], ptr);
if (pointerInfo == NULL) {
fprintf(stderr, "Fatal: Attempt to free unallocated pointer "
"(%s *) %p.\n",
uio_MemDebug_logTypeInfo[(int) type].name, ptr);
abort();
}
#if 0
if (pointerInfo->ref != 0) {
fprintf(stderr, "Fatal: Attempt to free pointer with references "
"left (%s *) %p.\n",
uio_MemDebug_logTypeInfo[(int) type].name, ptr);
abort();
}
#endif
uio_MemDebug_PointerInfo_free(pointerInfo);
HashTable_remove(uio_MemDebug_logs[type], ptr);
}
void
uio_MemDebug_logRef(uio_MemDebug_LogType type, void *ptr) {
uio_MemDebug_PointerInfo *pointerInfo;
if (ptr == NULL) {
fprintf(stderr, "Fatal: Attempt to increment reference to a "
"(%s *) NULL pointer.\n",
uio_MemDebug_logTypeInfo[(int) type].name);
abort();
}
pointerInfo = HashTable_find(uio_MemDebug_logs[type], ptr);
if (pointerInfo == NULL) {
fprintf(stderr, "Fatal: Attempt to increment reference to "
"unallocated pointer (%s *) %p.\n",
uio_MemDebug_logTypeInfo[(int) type].name, ptr);
abort();
}
pointerInfo->pointerRef++;
if (uio_MemDebug_logTypeInfo[(int) type].flags & uio_MemDebug_PRINT_REF) {
fprintf(stderr, "Ref++ to %d, ", pointerInfo->pointerRef);
uio_MemDebug_printPointer(stderr, type, ptr);
fprintf(stderr, "\n");
}
}
void
uio_MemDebug_logUnref(uio_MemDebug_LogType type, void *ptr) {
uio_MemDebug_PointerInfo *pointerInfo;
if (ptr == NULL) {
fprintf(stderr, "Fatal: Attempt to decrement reference to a "
"(%s *) NULL pointer.\n",
uio_MemDebug_logTypeInfo[(int) type].name);
abort();
}
pointerInfo = HashTable_find(uio_MemDebug_logs[type], ptr);
if (pointerInfo == NULL) {
fprintf(stderr, "Fatal: Attempt to decrement reference to "
"unallocated pointer (%s *) %p.\n",
uio_MemDebug_logTypeInfo[(int) type].name, ptr);
abort();
}
if (pointerInfo->pointerRef == 0) {
fprintf(stderr, "Fatal: Attempt to decrement reference below 0 for "
"pointer (%s *) %p.\n",
uio_MemDebug_logTypeInfo[(int) type].name, ptr);
abort();
}
pointerInfo->pointerRef--;
if (uio_MemDebug_logTypeInfo[(int) type].flags & uio_MemDebug_PRINT_UNREF) {
fprintf(stderr, "Ref-- to %d, ", pointerInfo->pointerRef);
uio_MemDebug_printPointer(stderr, type, ptr);
fprintf(stderr, "\n");
}
}
void
uio_MemDebug_printPointer(FILE *out, uio_MemDebug_LogType type, void *ptr) {
fprintf(out, "(%s *) %p", uio_MemDebug_logTypeInfo[(int) type].name, ptr);
if (uio_MemDebug_logTypeInfo[(int) type].printFunction != NULL) {
fprintf(out, ": ");
uio_MemDebug_logTypeInfo[(int) type].printFunction(out, ptr);
}
}
void
uio_MemDebug_printPointersType(FILE *out, uio_MemDebug_LogType type) {
HashTable_Iterator *iterator;
for (iterator = HashTable_getIterator(uio_MemDebug_logs[type]);
!HashTable_iteratorDone(iterator);
iterator = HashTable_iteratorNext(iterator)) {
uio_MemDebug_printPointer(out, type, HashTable_iteratorKey(iterator));
fprintf(out, "\n");
}
HashTable_freeIterator(iterator);
}
void
uio_MemDebug_printPointers(FILE *out) {
int i;
for (i = 0; i < uio_MemDebug_numLogTypes; i++)
uio_MemDebug_printPointersType(out, i);
}
static inline uio_MemDebug_PointerInfo *
uio_MemDebug_PointerInfo_new(int ref) {
uio_MemDebug_PointerInfo *result;
result = uio_MemDebug_PointerInfo_alloc();
result->pointerRef = ref;
return result;
}
static inline void
uio_MemDebug_PointerInfo_delete(uio_MemDebug_PointerInfo *pointerInfo) {
uio_MemDebug_PointerInfo_free(pointerInfo);
}
static inline uio_MemDebug_PointerInfo *
uio_MemDebug_PointerInfo_alloc(void) {
return uio_malloc(sizeof (uio_MemDebug_PointerInfo));
}
static inline void
uio_MemDebug_PointerInfo_free(uio_MemDebug_PointerInfo *pointerInfo) {
uio_free(pointerInfo);
}
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