Merge branch 'zoning-out' into 'master'

Zoning out

See merge request STJr/SRB2Internal!133
This commit is contained in:
Monster Iestyn 2018-03-04 14:19:25 -05:00
commit 01f1e7fc33
4 changed files with 335 additions and 198 deletions

View File

@ -581,8 +581,8 @@ void HWR_FreeTextureCache(void)
// free all hardware-converted graphics cached in the heap
// our gool is only the textures since user of the texture is the texture cache
Z_FreeTags(PU_HWRCACHE, PU_HWRCACHE);
Z_FreeTags(PU_HWRCACHE_UNLOCKED, PU_HWRCACHE_UNLOCKED);
Z_FreeTag(PU_HWRCACHE);
Z_FreeTag(PU_HWRCACHE_UNLOCKED);
// Alam: free the Z_Blocks before freeing it's users
@ -629,8 +629,8 @@ void HWR_SetPalette(RGBA_t *palette)
// now flush data texture cache so 32 bit texture are recomputed
if (patchformat == GR_RGBA || textureformat == GR_RGBA)
{
Z_FreeTags(PU_HWRCACHE, PU_HWRCACHE);
Z_FreeTags(PU_HWRCACHE_UNLOCKED, PU_HWRCACHE_UNLOCKED);
Z_FreeTag(PU_HWRCACHE);
Z_FreeTag(PU_HWRCACHE_UNLOCKED);
}
}

View File

@ -606,7 +606,7 @@ static void ST_drawDebugInfo(void)
if (cv_debug & DBG_MEMORY)
{
V_DrawRightAlignedString(320, height, V_MONOSPACE, va("Heap: %7sKB", sizeu1(Z_TagsUsage(0, INT32_MAX)>>10)));
V_DrawRightAlignedString(320, height, V_MONOSPACE, va("Heap: %7sKB", sizeu1(Z_TotalUsage()>>10)));
}
}

View File

@ -82,6 +82,59 @@ typedef struct memblock_s
struct memblock_s *next, *prev;
} ATTRPACK memblock_t;
// both the head and tail of the zone memory block list
static memblock_t head;
//
// Function prototypes
//
static void Command_Memfree_f(void);
#ifdef ZDEBUG
static void Command_Memdump_f(void);
#endif
// --------------------------
// Zone memory initialisation
// --------------------------
/** Initialises zone memory.
* Used at game startup.
*
* \sa I_GetFreeMem, Command_Memfree_f, Command_Memdump_f
*/
void Z_Init(void)
{
UINT32 total, memfree;
memset(&head, 0x00, sizeof(head));
head.next = head.prev = &head;
memfree = I_GetFreeMem(&total)>>20;
CONS_Printf("System memory: %uMB - Free: %uMB\n", total>>20, memfree);
// Note: This allocates memory. Watch out.
COM_AddCommand("memfree", Command_Memfree_f);
#ifdef ZDEBUG
COM_AddCommand("memdump", Command_Memdump_f);
#endif
}
// ----------------------
// Zone memory allocation
// ----------------------
/** Returns the corresponding memblock_t for a given memory block.
*
* \param ptr A pointer to allocated memory,
* assumed to have been allocated with Z_Malloc/Z_Calloc.
* \param func A string containing the name of the function that called this,
* to be printed if the function I_Errors
* \return A pointer to the memblock_t for the given memory.
* \sa Z_Free, Z_ReallocAlign
*/
#ifdef ZDEBUG
#define Ptr2Memblock(s, f) Ptr2Memblock2(s, f, __FILE__, __LINE__)
static memblock_t *Ptr2Memblock2(void *ptr, const char* func, const char *file, INT32 line)
@ -131,32 +184,12 @@ static memblock_t *Ptr2Memblock(void *ptr, const char* func)
}
static memblock_t head;
static void Command_Memfree_f(void);
#ifdef ZDEBUG
static void Command_Memdump_f(void);
#endif
void Z_Init(void)
{
UINT32 total, memfree;
memset(&head, 0x00, sizeof(head));
head.next = head.prev = &head;
memfree = I_GetFreeMem(&total)>>20;
CONS_Printf("System memory: %uMB - Free: %uMB\n", total>>20, memfree);
// Note: This allocates memory. Watch out.
COM_AddCommand("memfree", Command_Memfree_f);
#ifdef ZDEBUG
COM_AddCommand("memdump", Command_Memdump_f);
#endif
}
/** Frees allocated memory.
*
* \param ptr A pointer to allocated memory,
* assumed to have been allocated with Z_Malloc/Z_Calloc.
* \sa Z_FreeTags
*/
#ifdef ZDEBUG
void Z_Free2(void *ptr, const char *file, INT32 line)
#else
@ -206,7 +239,11 @@ void Z_Free(void *ptr)
#endif
}
// malloc() that doesn't accept failure.
/** malloc() that doesn't accept failure.
*
* \param size Amount of memory to be allocated, in bytes.
* \return A pointer to the allocated memory.
*/
static void *xm(size_t size)
{
const size_t padedsize = size+sizeof (size_t);
@ -227,10 +264,18 @@ static void *xm(size_t size)
return p;
}
// Z_Malloc
// You can pass Z_Malloc() a NULL user if the tag is less than
// PU_PURGELEVEL.
/** The Z_MallocAlign function.
* Allocates a block of memory, adds it to a linked list so we can keep track of it.
*
* \param size Amount of memory to be allocated, in bytes.
* \param tag Purge tag.
* \param user The address of a pointer to the memory to be allocated.
* When the memory is freed by Z_Free later,
* the pointer at this address will then be automatically set to NULL.
* \param alignbits The alignment of the memory to be allocated, in bits. Can be 0.
* \note You can pass Z_Malloc() a NULL user if the tag is less than PU_PURGELEVEL.
* \sa Z_CallocAlign, Z_ReallocAlign
*/
#ifdef ZDEBUG
void *Z_Malloc2(size_t size, INT32 tag, void *user, INT32 alignbits,
const char *file, INT32 line)
@ -307,6 +352,19 @@ void *Z_MallocAlign(size_t size, INT32 tag, void *user, INT32 alignbits)
return given;
}
/** The Z_CallocAlign function.
* Allocates a block of memory, adds it to a linked list so we can keep track of it.
* Unlike Z_MallocAlign, this also initialises the bytes to zero.
*
* \param size Amount of memory to be allocated, in bytes.
* \param tag Purge tag.
* \param user The address of a pointer to the memory to be allocated.
* When the memory is freed by Z_Free later,
* the pointer at this address will then be automatically set to NULL.
* \param alignbits The alignment of the memory to be allocated, in bits. Can be 0.
* \note You can pass Z_Calloc() a NULL user if the tag is less than PU_PURGELEVEL.
* \sa Z_MallocAlign, Z_ReallocAlign
*/
#ifdef ZDEBUG
void *Z_Calloc2(size_t size, INT32 tag, void *user, INT32 alignbits, const char *file, INT32 line)
#else
@ -323,10 +381,26 @@ void *Z_CallocAlign(size_t size, INT32 tag, void *user, INT32 alignbits)
#endif
}
/** The Z_ReallocAlign function.
* Reallocates a block of memory with a new size.
*
* \param ptr A pointer to allocated memory,
* assumed to have been allocated with Z_Malloc/Z_Calloc.
* If NULL, this function instead acts as a wrapper for Z_CallocAlign.
* \param size New size of memory block, in bytes.
* If zero, then the memory is freed and NULL is returned.
* \param tag New purge tag.
* \param user The address of a pointer to the memory to be reallocated.
* This can be a different user to the one originally assigned to the memory block.
* \param alignbits The alignment of the memory to be allocated, in bits. Can be 0.
* \return A pointer to the reallocated memory. Can be NULL if memory was freed.
* \note You can pass Z_Realloc() a NULL user if the tag is less than PU_PURGELEVEL.
* \sa Z_MallocAlign, Z_CallocAlign
*/
#ifdef ZDEBUG
void *Z_Realloc2(void *ptr, size_t size, INT32 tag, void *user, INT32 alignbits, const char *file, INT32 line)
#else
void *Z_ReallocAlign(void *ptr, size_t size,INT32 tag, void *user, INT32 alignbits)
void *Z_ReallocAlign(void *ptr, size_t size, INT32 tag, void *user, INT32 alignbits)
#endif
{
void *rez;
@ -393,6 +467,11 @@ void *Z_ReallocAlign(void *ptr, size_t size,INT32 tag, void *user, INT32 alignb
return rez;
}
/** Frees all memory for a given set of tags.
*
* \param lowtag The lowest tag to consider.
* \param hightag The highest tag to consider.
*/
void Z_FreeTags(INT32 lowtag, INT32 hightag)
{
memblock_t *block, *next;
@ -407,22 +486,25 @@ void Z_FreeTags(INT32 lowtag, INT32 hightag)
}
}
//
// Z_CheckMemCleanup
//
// TODO: Currently blocks >= PU_PURGELEVEL are freed every
// CLEANUPCOUNT. It might be better to keep track of
// the total size of all purgable memory and free it when the
// size exceeds some value.
//
// This was in Z_Malloc, but was freeing data at
// unsafe times. Now it is only called when it is safe
// to cleanup memory.
// -----------------
// Utility functions
// -----------------
// starting value of nextcleanup
#define CLEANUPCOUNT 2000
// number of function calls left before next cleanup
static INT32 nextcleanup = CLEANUPCOUNT;
/** This was in Z_Malloc, but was freeing data at
* unsafe times. Now it is only called when it is safe
* to cleanup memory.
*
* \todo Currently blocks >= PU_PURGELEVEL are freed every
* CLEANUPCOUNT. It might be better to keep track of
* the total size of all purgable memory and free it when the
* size exceeds some value.
*/
void Z_CheckMemCleanup(void)
{
if (nextcleanup-- == 0)
@ -538,10 +620,21 @@ void Z_CheckHeap(INT32 i)
}
}
// ------------------------
// Zone memory modification
// ------------------------
/** Changes a memory block's purge tag.
*
* \param ptr A pointer to allocated memory,
* assumed to have been allocated with Z_Malloc/Z_Calloc.
* \param tag The new tag.
* \sa Z_SetUser
*/
#ifdef PARANOIA
void Z_ChangeTag2(void *ptr, INT32 tag, const char *file, INT32 line)
#else
void Z_ChangeTag2(void *ptr, INT32 tag)
void Z_ChangeTag(void *ptr, INT32 tag)
#endif
{
memblock_t *block;
@ -583,99 +676,17 @@ void Z_ChangeTag2(void *ptr, INT32 tag)
block->tag = tag;
}
/** Calculates memory usage for a given set of tags.
* \param lowtag The lowest tag to consider.
* \param hightag The highest tag to consider.
* \return Number of bytes currently allocated in the heap for the
* given tags.
* \sa Z_TagUsage
/** Changes a memory block's user.
*
* \param ptr A pointer to allocated memory,
* assumed to have been allocated with Z_Malloc/Z_Calloc.
* \param newuser The new user for the memory block.
* \sa Z_ChangeTag
*/
size_t Z_TagsUsage(INT32 lowtag, INT32 hightag)
{
size_t cnt = 0;
memblock_t *rover;
for (rover = head.next; rover != &head; rover = rover->next)
{
if (rover->tag < lowtag || rover->tag > hightag)
continue;
cnt += rover->size + sizeof *rover;
}
return cnt;
}
size_t Z_TagUsage(INT32 tagnum)
{
return Z_TagsUsage(tagnum, tagnum);
}
void Command_Memfree_f(void)
{
UINT32 freebytes, totalbytes;
Z_CheckHeap(-1);
CONS_Printf("\x82%s", M_GetText("Memory Info\n"));
CONS_Printf(M_GetText("Total heap used : %7s KB\n"), sizeu1(Z_TagsUsage(0, INT32_MAX)>>10));
CONS_Printf(M_GetText("Static : %7s KB\n"), sizeu1(Z_TagUsage(PU_STATIC)>>10));
CONS_Printf(M_GetText("Static (sound) : %7s KB\n"), sizeu1(Z_TagUsage(PU_SOUND)>>10));
CONS_Printf(M_GetText("Static (music) : %7s KB\n"), sizeu1(Z_TagUsage(PU_MUSIC)>>10));
CONS_Printf(M_GetText("Locked cache : %7s KB\n"), sizeu1(Z_TagUsage(PU_CACHE)>>10));
CONS_Printf(M_GetText("Level : %7s KB\n"), sizeu1(Z_TagUsage(PU_LEVEL)>>10));
CONS_Printf(M_GetText("Special thinker : %7s KB\n"), sizeu1(Z_TagUsage(PU_LEVSPEC)>>10));
CONS_Printf(M_GetText("All purgable : %7s KB\n"),
sizeu1(Z_TagsUsage(PU_PURGELEVEL, INT32_MAX)>>10));
#ifdef HWRENDER
if (rendermode != render_soft && rendermode != render_none)
{
CONS_Printf(M_GetText("Patch info headers: %7s KB\n"), sizeu1(Z_TagUsage(PU_HWRPATCHINFO)>>10));
CONS_Printf(M_GetText("Mipmap patches : %7s KB\n"), sizeu1(Z_TagUsage(PU_HWRPATCHCOLMIPMAP)>>10));
CONS_Printf(M_GetText("HW Texture cache : %7s KB\n"), sizeu1(Z_TagUsage(PU_HWRCACHE)>>10));
CONS_Printf(M_GetText("Plane polygons : %7s KB\n"), sizeu1(Z_TagUsage(PU_HWRPLANE)>>10));
CONS_Printf(M_GetText("HW Texture used : %7d KB\n"), HWR_GetTextureUsed()>>10);
}
#endif
CONS_Printf("\x82%s", M_GetText("System Memory Info\n"));
freebytes = I_GetFreeMem(&totalbytes);
CONS_Printf(M_GetText(" Total physical memory: %7u KB\n"), totalbytes>>10);
CONS_Printf(M_GetText("Available physical memory: %7u KB\n"), freebytes>>10);
}
#ifdef ZDEBUG
static void Command_Memdump_f(void)
{
memblock_t *block;
INT32 mintag = 0, maxtag = INT32_MAX;
INT32 i;
if ((i = COM_CheckParm("-min")))
mintag = atoi(COM_Argv(i + 1));
if ((i = COM_CheckParm("-max")))
maxtag = atoi(COM_Argv(i + 1));
for (block = head.next; block != &head; block = block->next)
if (block->tag >= mintag && block->tag <= maxtag)
{
char *filename = strrchr(block->ownerfile, PATHSEP[0]);
CONS_Printf("[%3d] %s (%s) bytes @ %s:%d\n", block->tag, sizeu1(block->size), sizeu2(block->realsize), filename ? filename + 1 : block->ownerfile, block->ownerline);
}
}
#endif
// Creates a copy of a string.
char *Z_StrDup(const char *s)
{
return strcpy(ZZ_Alloc(strlen(s) + 1), s);
}
#ifdef PARANOIA
void Z_SetUser2(void *ptr, void **newuser, const char *file, INT32 line)
#else
void Z_SetUser2(void *ptr, void **newuser)
void Z_SetUser(void *ptr, void **newuser)
#endif
{
memblock_t *block;
@ -707,3 +718,106 @@ void Z_SetUser2(void *ptr, void **newuser)
block->user = (void*)newuser;
*newuser = ptr;
}
// -----------------
// Zone memory usage
// -----------------
/** Calculates memory usage for a given set of tags.
*
* \param lowtag The lowest tag to consider.
* \param hightag The highest tag to consider.
* \return Number of bytes currently allocated in the heap for the
* given tags.
*/
size_t Z_TagsUsage(INT32 lowtag, INT32 hightag)
{
size_t cnt = 0;
memblock_t *rover;
for (rover = head.next; rover != &head; rover = rover->next)
{
if (rover->tag < lowtag || rover->tag > hightag)
continue;
cnt += rover->size + sizeof *rover;
}
return cnt;
}
// -----------------------
// Miscellaneous functions
// -----------------------
/** The function called by the "memfree" console command.
* Prints the memory being used by each part of the game to the console.
*/
static void Command_Memfree_f(void)
{
UINT32 freebytes, totalbytes;
Z_CheckHeap(-1);
CONS_Printf("\x82%s", M_GetText("Memory Info\n"));
CONS_Printf(M_GetText("Total heap used : %7s KB\n"), sizeu1(Z_TotalUsage()>>10));
CONS_Printf(M_GetText("Static : %7s KB\n"), sizeu1(Z_TagUsage(PU_STATIC)>>10));
CONS_Printf(M_GetText("Static (sound) : %7s KB\n"), sizeu1(Z_TagUsage(PU_SOUND)>>10));
CONS_Printf(M_GetText("Static (music) : %7s KB\n"), sizeu1(Z_TagUsage(PU_MUSIC)>>10));
CONS_Printf(M_GetText("Locked cache : %7s KB\n"), sizeu1(Z_TagUsage(PU_CACHE)>>10));
CONS_Printf(M_GetText("Level : %7s KB\n"), sizeu1(Z_TagUsage(PU_LEVEL)>>10));
CONS_Printf(M_GetText("Special thinker : %7s KB\n"), sizeu1(Z_TagUsage(PU_LEVSPEC)>>10));
CONS_Printf(M_GetText("All purgable : %7s KB\n"),
sizeu1(Z_TagsUsage(PU_PURGELEVEL, INT32_MAX)>>10));
#ifdef HWRENDER
if (rendermode != render_soft && rendermode != render_none)
{
CONS_Printf(M_GetText("Patch info headers: %7s KB\n"), sizeu1(Z_TagUsage(PU_HWRPATCHINFO)>>10));
CONS_Printf(M_GetText("Mipmap patches : %7s KB\n"), sizeu1(Z_TagUsage(PU_HWRPATCHCOLMIPMAP)>>10));
CONS_Printf(M_GetText("HW Texture cache : %7s KB\n"), sizeu1(Z_TagUsage(PU_HWRCACHE)>>10));
CONS_Printf(M_GetText("Plane polygons : %7s KB\n"), sizeu1(Z_TagUsage(PU_HWRPLANE)>>10));
CONS_Printf(M_GetText("HW Texture used : %7d KB\n"), HWR_GetTextureUsed()>>10);
}
#endif
CONS_Printf("\x82%s", M_GetText("System Memory Info\n"));
freebytes = I_GetFreeMem(&totalbytes);
CONS_Printf(M_GetText(" Total physical memory: %7u KB\n"), totalbytes>>10);
CONS_Printf(M_GetText("Available physical memory: %7u KB\n"), freebytes>>10);
}
#ifdef ZDEBUG
/** The function called by the "memdump" console command.
* Prints zone memory debugging information (i.e. tag, size, location in code allocated).
* Can be all memory allocated in game, or between a set of tags (if -min/-max args used).
* This command is available only if ZDEBUG is enabled.
*/
static void Command_Memdump_f(void)
{
memblock_t *block;
INT32 mintag = 0, maxtag = INT32_MAX;
INT32 i;
if ((i = COM_CheckParm("-min")))
mintag = atoi(COM_Argv(i + 1));
if ((i = COM_CheckParm("-max")))
maxtag = atoi(COM_Argv(i + 1));
for (block = head.next; block != &head; block = block->next)
if (block->tag >= mintag && block->tag <= maxtag)
{
char *filename = strrchr(block->ownerfile, PATHSEP[0]);
CONS_Printf("[%3d] %s (%s) bytes @ %s:%d\n", block->tag, sizeu1(block->size), sizeu2(block->realsize), filename ? filename + 1 : block->ownerfile, block->ownerline);
}
}
#endif
/** Creates a copy of a string.
*
* \param s The string to be copied.
* \return A copy of the string, allocated in zone memory.
*/
char *Z_StrDup(const char *s)
{
return strcpy(ZZ_Alloc(strlen(s) + 1), s);
}

View File

@ -30,92 +30,115 @@
//#define ZDEBUG
//
// ZONE MEMORY
// PU - purge tags.
// Tags < PU_LEVEL are not purged until freed explicitly.
#define PU_STATIC 1 // static entire execution time
#define PU_LUA 2 // static entire execution time -- used by lua so it doesn't get caught in loops forever
// Purge tags
//
// Now they are an enum! -- Monster Iestyn 15/02/18
//
enum
{
// Tags < PU_LEVEL are not purged until freed explicitly.
PU_STATIC = 1, // static entire execution time
PU_LUA = 2, // static entire execution time -- used by lua so it doesn't get caught in loops forever
#define PU_SOUND 11 // static while playing
#define PU_MUSIC 12 // static while playing
#define PU_HUDGFX 13 // static until WAD added
PU_SOUND = 11, // static while playing
PU_MUSIC = 12, // static while playing
PU_HUDGFX = 13, // static until WAD added
#define PU_HWRPATCHINFO 21 // Hardware GLPatch_t struct for OpenGL texture cache
#define PU_HWRPATCHCOLMIPMAP 22 // Hardware GLMipmap_t struct colromap variation of patch
PU_HWRPATCHINFO = 21, // Hardware GLPatch_t struct for OpenGL texture cache
PU_HWRPATCHCOLMIPMAP = 22, // Hardware GLMipmap_t struct colormap variation of patch
#define PU_HWRCACHE 48 // static until unlocked
#define PU_CACHE 49 // static until unlocked
PU_HWRCACHE = 48, // static until unlocked
PU_CACHE = 49, // static until unlocked
// Tags s.t. PU_LEVEL <= tag < PU_PURGELEVEL are purged at level start
#define PU_LEVEL 50 // static until level exited
#define PU_LEVSPEC 51 // a special thinker in a level
#define PU_HWRPLANE 52
// Tags s.t. PU_LEVEL <= tag < PU_PURGELEVEL are purged at level start
PU_LEVEL = 50, // static until level exited
PU_LEVSPEC = 51, // a special thinker in a level
PU_HWRPLANE = 52, // if ZPLANALLOC is enabled in hw_bsp.c, this is used to alloc polygons for OpenGL
// Tags >= PU_PURGELEVEL are purgable whenever needed
#define PU_PURGELEVEL 100
#define PU_CACHE_UNLOCKED 101
#define PU_HWRCACHE_UNLOCKED 102 // 'second-level' cache for graphics
// stored in hardware format and downloaded as needed
#define PU_HWRPATCHINFO_UNLOCKED 103
// Tags >= PU_PURGELEVEL are purgable whenever needed
PU_PURGELEVEL = 100, // Note: this is never actually used as a tag
PU_CACHE_UNLOCKED = 101, // Note: unused
PU_HWRCACHE_UNLOCKED = 102, // 'unlocked' PU_HWRCACHE memory:
// 'second-level' cache for graphics
// stored in hardware format and downloaded as needed
PU_HWRPATCHINFO_UNLOCKED = 103, // 'unlocked' PU_HWRPATCHINFO memory
};
//
// Zone memory initialisation
//
void Z_Init(void);
void Z_FreeTags(INT32 lowtag, INT32 hightag);
void Z_CheckMemCleanup(void);
void Z_CheckHeap(INT32 i);
#ifdef PARANOIA
void Z_ChangeTag2(void *ptr, INT32 tag, const char *file, INT32 line);
#else
void Z_ChangeTag2(void *ptr, INT32 tag);
#endif
#ifdef PARANOIA
void Z_SetUser2(void *ptr, void **newuser, const char *file, INT32 line);
#else
void Z_SetUser2(void *ptr, void **newuser);
#endif
//
// Zone memory allocation
//
// enable ZDEBUG to get the file + line the functions were called from
// for ZZ_Alloc, see doomdef.h
//
// Z_Free and alloc with alignment
#ifdef ZDEBUG
#define Z_Free(p) Z_Free2(p, __FILE__, __LINE__)
void Z_Free2(void *ptr, const char *file, INT32 line);
#define Z_Malloc(s,t,u) Z_Malloc2(s, t, u, 0, __FILE__, __LINE__)
#define Z_MallocAlign(s,t,u,a) Z_Malloc2(s, t, u, a, __FILE__, __LINE__)
void *Z_Malloc2(size_t size, INT32 tag, void *user, INT32 alignbits, const char *file, INT32 line) FUNCALLOC(1);
#define Z_Calloc(s,t,u) Z_Calloc2(s, t, u, 0, __FILE__, __LINE__)
#define Z_CallocAlign(s,t,u,a) Z_Calloc2(s, t, u, a, __FILE__, __LINE__)
void *Z_Calloc2(size_t size, INT32 tag, void *user, INT32 alignbits, const char *file, INT32 line) FUNCALLOC(1);
#define Z_Realloc(p,s,t,u) Z_Realloc2(p, s, t, u, 0, __FILE__, __LINE__)
#define Z_Free(p) Z_Free2(p, __FILE__, __LINE__)
#define Z_MallocAlign(s,t,u,a) Z_Malloc2(s, t, u, a, __FILE__, __LINE__)
#define Z_CallocAlign(s,t,u,a) Z_Calloc2(s, t, u, a, __FILE__, __LINE__)
#define Z_ReallocAlign(p,s,t,u,a) Z_Realloc2(p,s, t, u, a, __FILE__, __LINE__)
void Z_Free2(void *ptr, const char *file, INT32 line);
void *Z_Malloc2(size_t size, INT32 tag, void *user, INT32 alignbits, const char *file, INT32 line) FUNCALLOC(1);
void *Z_Calloc2(size_t size, INT32 tag, void *user, INT32 alignbits, const char *file, INT32 line) FUNCALLOC(1);
void *Z_Realloc2(void *ptr, size_t size, INT32 tag, void *user, INT32 alignbits, const char *file, INT32 line) FUNCALLOC(2);
#else
void Z_Free(void *ptr);
void *Z_MallocAlign(size_t size, INT32 tag, void *user, INT32 alignbits) FUNCALLOC(1);
#define Z_Malloc(s,t,u) Z_MallocAlign(s, t, u, 0)
void *Z_CallocAlign(size_t size, INT32 tag, void *user, INT32 alignbits) FUNCALLOC(1);
#define Z_Calloc(s,t,u) Z_CallocAlign(s, t, u, 0)
void *Z_ReallocAlign(void *ptr, size_t size, INT32 tag, void *user, INT32 alignbits) FUNCALLOC(2) ;
#define Z_Realloc(p, s,t,u) Z_ReallocAlign(p, s, t, u, 0)
void *Z_ReallocAlign(void *ptr, size_t size, INT32 tag, void *user, INT32 alignbits) FUNCALLOC(2);
#endif
size_t Z_TagUsage(INT32 tagnum);
size_t Z_TagsUsage(INT32 lowtag, INT32 hightag);
// Alloc with no alignment
#define Z_Malloc(s,t,u) Z_MallocAlign(s, t, u, 0)
#define Z_Calloc(s,t,u) Z_CallocAlign(s, t, u, 0)
#define Z_Realloc(p,s,t,u) Z_ReallocAlign(p, s, t, u, 0)
char *Z_StrDup(const char *in);
// Free all memory by tag
// these don't give line numbers for ZDEBUG currently though
// (perhaps this should be changed in future?)
#define Z_FreeTag(tagnum) Z_FreeTags(tagnum, tagnum)
void Z_FreeTags(INT32 lowtag, INT32 hightag);
// This is used to get the local FILE : LINE info from CPP
// prior to really call the function in question.
//
// Utility functions
//
void Z_CheckMemCleanup(void);
void Z_CheckHeap(INT32 i);
//
// Zone memory modification
//
// enable PARANOIA to get the file + line the functions were called from
//
#ifdef PARANOIA
#define Z_ChangeTag(p,t) Z_ChangeTag2(p, t, __FILE__, __LINE__)
#define Z_SetUser(p,u) Z_SetUser2(p, u, __FILE__, __LINE__)
void Z_ChangeTag2(void *ptr, INT32 tag, const char *file, INT32 line);
void Z_SetUser2(void *ptr, void **newuser, const char *file, INT32 line);
#else
#define Z_ChangeTag(p,t) Z_ChangeTag2(p, t)
void Z_ChangeTag(void *ptr, INT32 tag);
void Z_SetUser(void *ptr, void **newuser);
#endif
#ifdef PARANOIA
#define Z_SetUser(p,u) Z_SetUser2(p, u, __FILE__, __LINE__)
#else
#define Z_SetUser(p,u) Z_SetUser2(p, u)
#endif
//
// Zone memory usage
//
// Note: These give the memory used in bytes,
// shift down by 10 to convert to KB
//
#define Z_TagUsage(tagnum) Z_TagsUsage(tagnum, tagnum)
size_t Z_TagsUsage(INT32 lowtag, INT32 hightag);
#define Z_TotalUsage() Z_TagsUsage(0, INT32_MAX)
#define Z_Unlock(p) (void)p
//
// Miscellaneous functions
//
char *Z_StrDup(const char *in);
#define Z_Unlock(p) (void)p // TODO: remove this now that NDS code has been removed
#endif