os: New OS abstraction module.

9 files changed, 717 insertions, 0 deletions

diff --git a/src/gallium/auxiliary/Makefile b/src/gallium/auxiliary/Makefile
index da1fb6b299f..e38990a15f9 100644
--- a/src/gallium/auxiliary/Makefile
+++ b/src/gallium/auxiliary/Makefile
@@ -48,6 +48,7 @@ C_SOURCES = \
 	draw/draw_vs_sse.c \
 	indices/u_indices_gen.c \
 	indices/u_unfilled_gen.c \
+	os/os_misc.c \
 	pipebuffer/pb_buffer_malloc.c \
 	pipebuffer/pb_bufmgr_alt.c \
 	pipebuffer/pb_bufmgr_cache.c \
diff --git a/src/gallium/auxiliary/SConscript b/src/gallium/auxiliary/SConscript
index 3aa782f81e6..bfc68bad2f9 100644
--- a/src/gallium/auxiliary/SConscript
+++ b/src/gallium/auxiliary/SConscript
@@ -82,6 +82,7 @@ source = [
     #'indices/u_unfilled_indices.c',
     'indices/u_indices_gen.c',
     'indices/u_unfilled_gen.c',
+    'os/os_misc.c',
     'pipebuffer/pb_buffer_fenced.c',
     'pipebuffer/pb_buffer_malloc.c',
     'pipebuffer/pb_bufmgr_alt.c',
diff --git a/src/gallium/auxiliary/os/os_memory.h b/src/gallium/auxiliary/os/os_memory.h
new file mode 100644
index 00000000000..f18d5a3d9b9
--- /dev/null
+++ b/src/gallium/auxiliary/os/os_memory.h
@@ -0,0 +1,78 @@
+/**************************************************************************
+ *
+ * Copyright 2010 Vmware, Inc.
+ * 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, sub license, 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 (including the
+ * next paragraph) 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 NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS 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.
+ *
+ **************************************************************************/
+
+
+/*
+ * OS memory management abstractions
+ */
+
+
+#ifndef _OS_MEMORY_H_
+#define _OS_MEMORY_H_
+
+
+#include "pipe/p_config.h"
+#include "pipe/p_compiler.h"
+
+
+#if defined(PIPE_OS_EMBEDDED)
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void *
+os_malloc(size_t size);
+
+void *
+os_calloc(size_t count, size_t size);
+
+void
+os_free(void *ptr);
+
+void *
+os_realloc(void *ptr, size_t old_size, size_t new_size);
+
+#ifdef __cplusplus
+}
+#endif
+
+#elif defined(PIPE_OS_WINDOWS) && defined(DEBUG) && !defined(DEBUG_MEMORY_IMPLEMENTATION)
+
+#  include "os_memory_debug.h"
+
+#elif defined(PIPE_SUBSYSTEM_WINDOWS_DISPLAY) || defined(PIPE_SUBSYSTEM_WINDOWS_MINIPORT)
+
+#  include "os_memory_win32k.h"
+
+#else
+
+#  include "os_memory_stdc.h"
+
+#endif
+
+#endif /* _OS_MEMORY_H_ */
diff --git a/src/gallium/auxiliary/os/os_memory_aligned.h b/src/gallium/auxiliary/os/os_memory_aligned.h
new file mode 100644
index 00000000000..d4528f73196
--- /dev/null
+++ b/src/gallium/auxiliary/os/os_memory_aligned.h
@@ -0,0 +1,72 @@
+/**************************************************************************
+ * 
+ * Copyright 2008-2010 VMware, Inc.
+ * 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, sub license, 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 (including the
+ * next paragraph) 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 NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS 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.
+ * 
+ **************************************************************************/
+
+
+/*
+ * Memory alignment wrappers.
+ */
+
+
+#ifndef _OS_MEMORY_H_
+#error "Must not be included directly. Include os_memory.h instead"
+#endif
+
+
+#include "pipe/p_compiler.h"
+
+
+/**
+ * Return memory on given byte alignment
+ */
+static INLINE void *
+os_malloc_aligned(size_t size, uint alignment)
+{
+   char *ptr, *buf;
+
+   ptr = (char *) os_malloc(size + alignment + sizeof(void *));
+   if (!ptr)
+      return NULL;
+
+   buf = (char *)(((uintptr_t)ptr + sizeof(void *) + alignment - 1) & ~(alignment - 1));
+   *(char **)(buf - sizeof(void *)) = ptr;
+
+   return buf;
+}
+
+
+/**
+ * Free memory returned by align_malloc().
+ */
+static INLINE void
+os_free_aligned(void *ptr)
+{
+   if (ptr) {
+      void **cubbyHole = (void **) ((char *) ptr - sizeof(void *));
+      void *realAddr = *cubbyHole;
+      os_free(realAddr);
+   }
+}
diff --git a/src/gallium/auxiliary/os/os_memory_debug.h b/src/gallium/auxiliary/os/os_memory_debug.h
new file mode 100644
index 00000000000..c664be9aad5
--- /dev/null
+++ b/src/gallium/auxiliary/os/os_memory_debug.h
@@ -0,0 +1,83 @@
+/**************************************************************************
+ * 
+ * Copyright 2008-2010 VMware, Inc.
+ * 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, sub license, 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 (including the
+ * next paragraph) 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 NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS 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.
+ * 
+ **************************************************************************/
+
+
+/*
+ * Debugging wrappers for OS memory management abstractions.
+ */
+
+
+#ifndef _OS_MEMORY_H_
+#error "Must not be included directly. Include os_memory.h instead"
+#endif
+
+
+#include "pipe/p_compiler.h"
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+void *
+debug_malloc(const char *file, unsigned line, const char *function,
+             size_t size);
+
+void *
+debug_calloc(const char *file, unsigned line, const char *function,
+             size_t count, size_t size );
+
+void
+debug_free(const char *file, unsigned line, const char *function,
+           void *ptr);
+
+void *
+debug_realloc(const char *file, unsigned line, const char *function,
+              void *old_ptr, size_t old_size, size_t new_size );
+
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#ifndef DEBUG_MEMORY_IMPLEMENTATION
+
+#define os_malloc( _size ) \
+   debug_malloc( __FILE__, __LINE__, __FUNCTION__, _size )
+#define os_calloc( _count, _size ) \
+   debug_calloc(__FILE__, __LINE__, __FUNCTION__, _count, _size )
+#define os_free( _ptr ) \
+   debug_free( __FILE__, __LINE__, __FUNCTION__,  _ptr )
+#define os_realloc( _ptr, _old_size, _new_size ) \
+   debug_realloc( __FILE__, __LINE__, __FUNCTION__,  _ptr, _old_size, _new_size )
+
+/* TODO: wrap os_malloc_aligned() and os_free_aligned() too */
+#include "os_memory_aligned.h"
+
+#endif /* !DEBUG_MEMORY_IMPLEMENTATION */
diff --git a/src/gallium/auxiliary/os/os_memory_stdc.h b/src/gallium/auxiliary/os/os_memory_stdc.h
new file mode 100644
index 00000000000..806e5363568
--- /dev/null
+++ b/src/gallium/auxiliary/os/os_memory_stdc.h
@@ -0,0 +1,76 @@
+/**************************************************************************
+ * 
+ * Copyright 2008-2010 VMware, Inc.
+ * 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, sub license, 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 (including the
+ * next paragraph) 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 NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS 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.
+ * 
+ **************************************************************************/
+
+
+/*
+ * OS memory management abstractions for the standard C library.
+ */
+
+
+#ifndef _OS_MEMORY_H_
+#error "Must not be included directly. Include os_memory.h instead"
+#endif
+
+#include <stdlib.h>
+
+#include "pipe/p_compiler.h"
+
+
+#define os_malloc(_size)  malloc(_size)
+#define os_calloc(_count, _size )  calloc(_count, _size )
+#define os_free(_ptr)  free(_ptr)
+
+#define os_realloc( _old_ptr, _old_size, _new_size) \
+   realloc(_old_ptr, _new_size + 0*(_old_size))
+
+
+#if defined(HAVE_POSIX_MEMALIGN)
+
+static INLINE void *
+os_malloc_aligned(size_t size, size_t alignment)
+{
+   void *ptr;
+   alignment = (alignment + sizeof(void*) - 1) & ~(sizeof(void*) - 1);
+   if(posix_memalign(&ptr, alignment, size) != 0)
+      return NULL;
+   return ptr;
+}
+
+#define os_free_aligned(_ptr) free(_ptr)
+
+#elif defined(PIPE_OS_WINDOWS)
+
+#include <malloc.h>
+
+#define os_malloc_aligned(_size, _align) _aligned_malloc(_size, _align)
+#define os_free_aligned(_ptr) _aligned_free(_ptr)
+
+#else
+
+#include "os_memory_aligned.h"
+
+#endif
diff --git a/src/gallium/auxiliary/os/os_memory_win32k.h b/src/gallium/auxiliary/os/os_memory_win32k.h
new file mode 100644
index 00000000000..d56d6908722
--- /dev/null
+++ b/src/gallium/auxiliary/os/os_memory_win32k.h
@@ -0,0 +1,123 @@
+/**************************************************************************
+ * 
+ * Copyright 2008-2010 VMware, Inc.
+ * 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, sub license, 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 (including the
+ * next paragraph) 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 NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS 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.
+ * 
+ **************************************************************************/
+
+
+/*
+ * OS memory management abstractions for Windows kernel.
+ */
+
+
+#ifndef _OS_MEMORY_H_
+#error "Must not be included directly. Include os_memory.h instead"
+#endif
+
+
+#include "pipe/p_compiler.h"
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+#if defined(PIPE_SUBSYSTEM_WINDOWS_DISPLAY)
+
+void * __stdcall
+EngAllocMem(unsigned long Flags,
+            unsigned long MemSize,
+            unsigned long Tag);
+
+void __stdcall
+EngFreeMem(void *Mem);
+
+#define os_malloc(_size) EngAllocMem(0, _size, 'D3AG')
+#define os_calloc(_count, _size) EngAllocMem(1, (_count)*(_size), 'D3AG')
+#define _os_free(_ptr) EngFreeMem(_ptr)
+
+#elif defined(PIPE_SUBSYSTEM_WINDOWS_MINIPORT)
+
+void *
+ExAllocatePool(unsigned long PoolType,
+               size_t NumberOfBytes);
+
+void 
+ExFreePool(void *P);
+
+#define os_malloc(_size) ExAllocatePool(0, _size)
+#define _os_free(_ptr) ExFreePool(_ptr)
+
+static INLINE void *
+os_calloc(unsigned count, unsigned size)
+{
+   void *ptr = os_malloc(count * size);
+   if (ptr) {
+      memset(ptr, 0, count * size);
+   }
+   return ptr;
+}
+
+#else
+
+#error "Unsupported subsystem"
+
+#endif
+
+
+static INLINE void
+os_free( void *ptr )
+{
+   if (ptr) {
+      _os_free(ptr);
+   }
+}
+
+
+static INLINE void *
+os_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 = os_malloc( new_size );
+      if (new_ptr && old_ptr && copy_size) {
+         memcpy(new_ptr, old_ptr, copy_size);
+      }
+   }
+
+   os_free(old_ptr);
+
+   return new_ptr;
+}
+
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#include "os_memory_aligned.h"
diff --git a/src/gallium/auxiliary/os/os_misc.c b/src/gallium/auxiliary/os/os_misc.c
new file mode 100644
index 00000000000..384988017b7
--- /dev/null
+++ b/src/gallium/auxiliary/os/os_misc.c
@@ -0,0 +1,188 @@
+/**************************************************************************
+ *
+ * Copyright 2008-2010 Vmware, Inc.
+ * 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, sub license, 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 (including the
+ * next paragraph) 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 NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS 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.
+ *
+ **************************************************************************/
+
+
+#include "os_misc.h"
+
+#include <stdarg.h>
+
+
+#ifdef PIPE_SUBSYSTEM_WINDOWS_DISPLAY
+
+#include <windows.h>
+#include <winddi.h>
+
+#elif defined(PIPE_SUBSYSTEM_WINDOWS_CE)
+
+#include <stdio.h> 
+#include <stdlib.h> 
+#include <windows.h> 
+#include <types.h> 
+
+#elif defined(PIPE_SUBSYSTEM_WINDOWS_USER)
+
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN      // Exclude rarely-used stuff from Windows headers
+#endif
+#include <windows.h>
+#include <stdio.h>
+
+#else
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#endif
+
+
+#ifdef PIPE_SUBSYSTEM_WINDOWS_DISPLAY
+static INLINE void 
+_EngDebugPrint(const char *format, ...)
+{
+   va_list ap;
+   va_start(ap, format);
+   EngDebugPrint("", (PCHAR)format, ap);
+   va_end(ap);
+}
+#endif
+
+
+void
+os_log_message(const char *message)
+{
+#if defined(PIPE_SUBSYSTEM_WINDOWS_DISPLAY)
+   _EngDebugPrint("%s", message);
+#elif defined(PIPE_SUBSYSTEM_WINDOWS_USER)
+   OutputDebugStringA(message);
+   if(GetConsoleWindow() && !IsDebuggerPresent()) {
+      fflush(stdout);
+      fputs(message, stderr);
+      fflush(stderr);
+   }
+#elif defined(PIPE_SUBSYSTEM_WINDOWS_CE)
+   wchar_t *wide_format;
+   long wide_str_len;   
+   /* Format is ascii - needs to be converted to wchar_t for printing */   
+   wide_str_len = MultiByteToWideChar(CP_ACP, 0, message, -1, NULL, 0);
+   wide_format = (wchar_t *) malloc((wide_str_len+1) * sizeof(wchar_t));   
+   if (wide_format) {   
+      MultiByteToWideChar(CP_ACP, 0, message, -1,
+            wide_format, wide_str_len);   
+      NKDbgPrintfW(wide_format, wide_format);   
+      free(wide_format);   
+   } 
+#elif defined(PIPE_SUBSYSTEM_WINDOWS_MINIPORT)
+   /* TODO */
+#else /* !PIPE_SUBSYSTEM_WINDOWS */
+   fflush(stdout);
+   fputs(message, stderr);
+#endif
+}
+
+
+#ifdef PIPE_SUBSYSTEM_WINDOWS_DISPLAY
+static const char *
+find(const char *start, const char *end, char c)
+{
+   const char *p;
+   for(p = start; !end || p != end; ++p) {
+      if(*p == c)
+         return p;
+      if(*p < 32)
+         break;
+   }
+   return NULL;
+}
+
+static int
+compare(const char *start, const char *end, const char *s)
+{
+   const char *p, *q;
+   for(p = start, q = s; p != end && *q != '\0'; ++p, ++q) {
+      if(*p != *q)
+         return 0;
+   }
+   return p == end && *q == '\0';
+}
+
+static void
+copy(char *dst, const char *start, const char *end, size_t n)
+{
+   const char *p;
+   char *q;
+   for(p = start, q = dst, n = n - 1; p != end && n; ++p, ++q, --n)
+      *q = *p;
+   *q = '\0';
+}
+#endif
+
+
+const char *
+os_get_option(const char *name)
+{
+#if defined(PIPE_SUBSYSTEM_WINDOWS_DISPLAY)
+   /* EngMapFile creates the file if it does not exists, so it must either be
+    * disabled on release versions (or put in a less conspicuous place). */
+#ifdef DEBUG
+   const char *result = NULL;
+   ULONG_PTR iFile = 0;
+   const void *pMap = NULL;
+   const char *sol, *eol, *sep;
+   static char output[1024];
+   
+   pMap = EngMapFile(L"\\??\\c:\\gallium.cfg", 0, &iFile);
+   if(pMap) {
+      sol = (const char *)pMap;
+      while(1) {
+	 /* TODO: handle LF line endings */
+	 eol = find(sol, NULL, '\r');
+	 if(!eol || eol == sol)
+	    break;
+	 sep = find(sol, eol, '=');
+	 if(!sep)
+	    break;
+	 if(compare(sol, sep, name)) {
+	    copy(output, sep + 1, eol, sizeof(output));
+	    result = output;
+	    break;
+	 }
+	 sol = eol + 2;
+      }
+      EngUnmapFile(iFile);
+   }
+   return result;
+#else
+   return NULL;
+#endif
+#elif defined(PIPE_SUBSYSTEM_WINDOWS_CE) || defined(PIPE_SUBSYSTEM_WINDOWS_MINIPORT) 
+   /* TODO: implement */
+   return NULL;
+#else
+   return getenv(name);
+#endif
+}
+
diff --git a/src/gallium/auxiliary/os/os_misc.h b/src/gallium/auxiliary/os/os_misc.h
new file mode 100644
index 00000000000..56e48ca9bee
--- /dev/null
+++ b/src/gallium/auxiliary/os/os_misc.h
@@ -0,0 +1,95 @@
+/**************************************************************************
+ *
+ * Copyright 2010 Vmware, Inc.
+ * 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, sub license, 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 (including the
+ * next paragraph) 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 NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS 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.
+ *
+ **************************************************************************/
+
+
+/*
+ * Miscellaneous OS services.
+ */
+
+
+#ifndef _OS_MISC_H_
+#define _OS_MISC_H_
+
+
+#include "pipe/p_compiler.h"
+
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+
+/*
+ * Trap into the debugger.
+ */
+#if (defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64)) && defined(PIPE_CC_GCC)
+#  define os_break() __asm("int3")
+#elif defined(PIPE_CC_MSVC)
+#  define os_break()  __debugbreak()
+#elif defined(PIPE_OS_UNIX)
+#  include <signal.h> /* for kill() */
+#  include <unistd.h> /* for getpid() */
+#  define os_break() kill(getpid(), SIGTRAP)
+#elif defined(PIPE_OS_EMBEDDED)
+void os_break(void);
+#else
+#  define os_break() abort()
+#endif
+
+
+/*
+ * Abort the program.
+ */
+#if defined(DEBUG) || defined(PIPE_SUBSYSTEM_WINDOWS_DISPLAY) || defined(PIPE_SUBSYSTEM_WINDOWS_MINIPORT)
+#  define os_abort() os_break()
+#elif defined(PIPE_OS_EMBEDDED)
+void os_abort(void);
+#else
+#  define os_abort() abort()
+#endif
+
+
+/*
+ * Output a message. Message should preferably end in a newline.
+ */
+void
+os_log_message(const char *message);
+
+
+/*
+ * Get an option. Should return NULL if specified option is not set.
+ */
+const char *
+os_get_option(const char *name);
+
+
+#ifdef	__cplusplus
+}
+#endif
+
+
+#endif /* _OS_MISC_H_ */