+/*
+ * Mesa 3-D graphics library
+ * Version: 6.5
+ *
+ * Copyright (C) 1999-2005 Brian Paul All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+/**
+ * \file exemem.c
+ * Functions for allocating executable memory.
+ *
+ * \author Keith Whitwell
+ */
+
+
#include "imports.h"
#include "glthread.h"
#ifdef __linux__
+/*
+ * Allocate a large block of memory which can hold code then dole it out
+ * in pieces by means of the generic memory manager code.
+*/
+
+
#include <unistd.h>
#include <sys/mman.h>
-#include <mm.h>
+#include "mm.h"
#define EXEC_HEAP_SIZE (128*1024)
_glthread_DECLARE_STATIC_MUTEX(exec_mutex);
-static memHeap_t *exec_heap = NULL;
+static struct mem_block *exec_heap = NULL;
static unsigned char *exec_mem = NULL;
-static void init_heap( void )
+
+static void
+init_heap(void)
{
if (!exec_heap)
exec_heap = mmInit( 0, EXEC_HEAP_SIZE );
void *
-_mesa_exec_malloc( GLuint size )
+_mesa_exec_malloc(GLuint size)
{
- PMemBlock block = NULL;
+ struct mem_block *block = NULL;
void *addr = NULL;
_glthread_LOCK_MUTEX(exec_mutex);
return addr;
}
+
void
_mesa_exec_free(void *addr)
_glthread_LOCK_MUTEX(exec_mutex);
if (exec_heap) {
- PMemBlock block = mmFindBlock(exec_heap, (unsigned char *)addr - exec_mem);
+ struct mem_block *block = mmFindBlock(exec_heap, (unsigned char *)addr - exec_mem);
if (block)
mmFreeMem(block);
_glthread_UNLOCK_MUTEX(exec_mutex);
}
+
#else
+/*
+ * Just use regular memory.
+ */
+
void *
-_mesa_exec_malloc( GLuint size )
+_mesa_exec_malloc(GLuint size)
{
return _mesa_malloc( size );
}
+
void
_mesa_exec_free(void *addr)
_mesa_free(addr);
}
+
#endif