From 6b424a0550a5196818641857974f4cb04d61b933 Mon Sep 17 00:00:00 2001
From: José Fonseca <jfonseca@vmware.com>
Date: Wed, 3 Feb 2010 12:13:06 +0000
Subject: util: Reimplement all utility functions in terms of the new OS
 abstraction.

---
 src/gallium/auxiliary/util/u_memory.h | 158 ++--------------------------------
 1 file changed, 8 insertions(+), 150 deletions(-)

(limited to 'src/gallium/auxiliary/util/u_memory.h')

diff --git a/src/gallium/auxiliary/util/u_memory.h b/src/gallium/auxiliary/util/u_memory.h
index c3f8c91833..a2fc597356 100644
--- a/src/gallium/auxiliary/util/u_memory.h
+++ b/src/gallium/auxiliary/util/u_memory.h
@@ -26,7 +26,7 @@
  **************************************************************************/
 
 
-/**
+/*
  * Memory functions
  */
 
@@ -37,6 +37,7 @@
 
 #include "util/u_pointer.h"
 #include "util/u_debug.h"
+#include "os/os_memory.h"
 
 
 #ifdef __cplusplus
@@ -44,114 +45,13 @@ extern "C" {
 #endif
 
 
-/* Define ENOMEM for WINCE */ 
-#if (_WIN32_WCE < 600)
-#ifndef ENOMEM
-#define ENOMEM 12
-#endif
-#endif
-
-
-#if defined(PIPE_OS_WINDOWS) && defined(DEBUG) 
-
-/* memory debugging */
-
-#include "util/u_debug.h"
-
-#define MALLOC( _size ) \
-   debug_malloc( __FILE__, __LINE__, __FUNCTION__, _size )
-#define CALLOC( _count, _size ) \
-   debug_calloc(__FILE__, __LINE__, __FUNCTION__, _count, _size )
-#define FREE( _ptr ) \
-   debug_free( __FILE__, __LINE__, __FUNCTION__,  _ptr )
-#define REALLOC( _ptr, _old_size, _size ) \
-   debug_realloc( __FILE__, __LINE__, __FUNCTION__,  _ptr, _old_size, _size )
-
-#elif defined(PIPE_SUBSYSTEM_WINDOWS_DISPLAY)
-
-void * __stdcall
-EngAllocMem(
-    unsigned long Flags,
-    unsigned long MemSize,
-    unsigned long Tag );
-
-void __stdcall
-EngFreeMem(
-    void *Mem );
-
-#define MALLOC( _size ) EngAllocMem( 0, _size, 'D3AG' )
-#define _FREE( _ptr ) EngFreeMem( _ptr )
-
-#elif defined(PIPE_SUBSYSTEM_WINDOWS_MINIPORT)
-
-void *
-ExAllocatePool(
-    unsigned long PoolType, 
-    size_t NumberOfBytes);
-
-void 
-ExFreePool(void *P);
-
-#define MALLOC(_size) ExAllocatePool(0, _size)
-#define _FREE(_ptr) ExFreePool(_ptr)
-
-#else
-
-#define MALLOC( SIZE )  malloc( SIZE )
-#define CALLOC( COUNT, SIZE )   calloc( COUNT, SIZE )
-#define FREE( PTR )  free( PTR )
-
-static INLINE void *
-_REALLOC( void *old_ptr, unsigned old_size, unsigned new_size )
-{
-   (void) old_size;
-   return realloc(old_ptr, new_size);
-}
-#define REALLOC( a, b, c ) _REALLOC( a, b, c )
-#endif
-
-
-#ifndef CALLOC
-static INLINE void *
-CALLOC( unsigned count, unsigned size )
-{
-   void *ptr = MALLOC( count * size );
-   if( ptr ) {
-      memset( ptr, 0, count * size );
-   }
-   return ptr;
-}
-#endif /* !CALLOC */
+#define MALLOC(_size)  os_malloc(_size)
 
-#ifndef FREE
-static INLINE void
-FREE( void *ptr )
-{
-   if( ptr ) {
-      _FREE( ptr );
-   }
-}
-#endif /* !FREE */
+#define CALLOC(_count, _size) os_calloc(_count, _size)
 
-#ifndef REALLOC
-static INLINE void *
-REALLOC( void *old_ptr, unsigned old_size, unsigned new_size )
-{
-   void *new_ptr = NULL;
-
-   if (new_size != 0) {
-      unsigned copy_size = old_size < new_size ? old_size : new_size;
-      new_ptr = MALLOC( new_size );
-      if (new_ptr && old_ptr && copy_size) {
-         memcpy( new_ptr, old_ptr, copy_size );
-      }
-   }
-
-   FREE( old_ptr );
-   return new_ptr;
-}
-#endif /* !REALLOC */
+#define FREE(_ptr ) os_free(_ptr)
 
+#define REALLOC(_ptr, _old_size, _size) os_realloc(_ptr, _old_size, _size)
 
 #define MALLOC_STRUCT(T)   (struct T *) MALLOC(sizeof(struct T))
 
@@ -160,50 +60,8 @@ REALLOC( void *old_ptr, unsigned old_size, unsigned new_size )
 #define CALLOC_VARIANT_LENGTH_STRUCT(T,more_size)   ((struct T *) CALLOC(1, sizeof(struct T) + more_size))
 
 
-/**
- * Return memory on given byte alignment
- */
-static INLINE void *
-align_malloc(size_t bytes, uint alignment)
-{
-#if defined(HAVE_POSIX_MEMALIGN)
-   void *mem;
-   alignment = (alignment + (uint)sizeof(void*) - 1) & ~((uint)sizeof(void*) - 1);
-   if(posix_memalign(& mem, alignment, bytes) != 0)
-      return NULL;
-   return mem;
-#else
-   char *ptr, *buf;
-
-   assert( alignment > 0 );
-
-   ptr = (char *) MALLOC(bytes + alignment + sizeof(void *));
-   if (!ptr)
-      return NULL;
-
-   buf = (char *) align_pointer( ptr + sizeof(void *), alignment );
-   *(char **)(buf - sizeof(void *)) = ptr;
-
-   return buf;
-#endif /* defined(HAVE_POSIX_MEMALIGN) */
-}
-
-/**
- * Free memory returned by align_malloc().
- */
-static INLINE void
-align_free(void *ptr)
-{
-#if defined(HAVE_POSIX_MEMALIGN)
-   FREE(ptr);
-#else
-   if (ptr) {
-      void **cubbyHole = (void **) ((char *) ptr - sizeof(void *));
-      void *realAddr = *cubbyHole;
-      FREE(realAddr);
-   }
-#endif /* defined(HAVE_POSIX_MEMALIGN) */
-}
+#define align_malloc(_size, _alignment) os_malloc_aligned(_size, _alignment)
+#define align_free(_ptr) os_free_aligned(_ptr)
 
 
 /**
-- 
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