aboutsummaryrefslogtreecommitdiff
path: root/nx-X11/extras/Mesa/src/mesa/main/execmem.c
diff options
context:
space:
mode:
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/main/execmem.c')
-rw-r--r--nx-X11/extras/Mesa/src/mesa/main/execmem.c132
1 files changed, 0 insertions, 132 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/main/execmem.c b/nx-X11/extras/Mesa/src/mesa/main/execmem.c
deleted file mode 100644
index a6b110ae7..000000000
--- a/nx-X11/extras/Mesa/src/mesa/main/execmem.c
+++ /dev/null
@@ -1,132 +0,0 @@
-/*
- * 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"
-
-
-
-#if defined(__linux__) && !defined(XFree86Server)
-
-/*
- * 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"
-
-#define EXEC_HEAP_SIZE (128*1024)
-
-_glthread_DECLARE_STATIC_MUTEX(exec_mutex);
-
-static memHeap_t *exec_heap = NULL;
-static unsigned char *exec_mem = NULL;
-
-
-static void
-init_heap(void)
-{
- if (!exec_heap)
- exec_heap = mmInit( 0, EXEC_HEAP_SIZE );
-
- if (!exec_mem)
- exec_mem = (unsigned char *) mmap(0, EXEC_HEAP_SIZE,
- PROT_EXEC | PROT_READ | PROT_WRITE,
- MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
-}
-
-
-void *
-_mesa_exec_malloc(GLuint size)
-{
- PMemBlock block = NULL;
- void *addr = NULL;
-
- _glthread_LOCK_MUTEX(exec_mutex);
-
- init_heap();
-
- if (exec_heap) {
- size = (size + 31) & ~31;
- block = mmAllocMem( exec_heap, size, 32, 0 );
- }
-
- if (block)
- addr = exec_mem + block->ofs;
-
- _glthread_UNLOCK_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);
-
- if (block)
- mmFreeMem(block);
- }
-
- _glthread_UNLOCK_MUTEX(exec_mutex);
-}
-
-
-#else
-
-/*
- * Just use regular memory.
- */
-
-void *
-_mesa_exec_malloc(GLuint size)
-{
- return _mesa_malloc( size );
-}
-
-
-void
-_mesa_exec_free(void *addr)
-{
- _mesa_free(addr);
-}
-
-
-#endif