I swear I did a make clean and make before committing all this...

[oota-llvm.git] / include / llvm / Support / DataTypes.h.in

diff --git a/include/llvm/Support/DataTypes.h.in b/include/llvm/Support/DataTypes.h.in
index 2ac1e1721e52de6e8b32e37ff9b5deb03f1f0a95..5965e8c0b2a9c7ba8c4109418a9673dbe7a73e59 100644 (file)
--- a/include/llvm/Support/DataTypes.h.in
+++ b/include/llvm/Support/DataTypes.h.in
@@ -1,42 +1,55 @@
-//===-- include/Support/DataTypes.h - Define fixed size types ---*- C++ -*-===//
-// 
-//                     The LLVM Compiler Infrastructure
-//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
-// 
-//===----------------------------------------------------------------------===//
-//
-// This file contains definitions to figure out the size of _HOST_ data types.
-// This file is important because different host OS's define different macros,
-// which makes portability tough.  This file exports the following definitions:
-//
-//   [u]int(32|64)_t : typedefs for signed and unsigned 32/64 bit system types
-//   [U]INT(8|16|32|64)_(MIN|MAX) : Constants for the min and max values.
-//
-// No library is required when using these functinons.
-//
-//===----------------------------------------------------------------------===//
+/*===-- include/System/DataTypes.h - Define fixed size types -----*- C -*-===*\
+|*                                                                            *|
+|*                     The LLVM Compiler Infrastructure                       *|
+|*                                                                            *|
+|* This file is distributed under the University of Illinois Open Source      *|
+|* License. See LICENSE.TXT for details.                                      *|
+|*                                                                            *|
+|*===----------------------------------------------------------------------===*|
+|*                                                                            *|
+|* This file contains definitions to figure out the size of _HOST_ data types.*|
+|* This file is important because different host OS's define different macros,*|
+|* which makes portability tough.  This file exports the following            *|
+|* definitions:                                                               *|
+|*                                                                            *|
+|*   [u]int(32|64)_t : typedefs for signed and unsigned 32/64 bit system types*|
+|*   [U]INT(8|16|32|64)_(MIN|MAX) : Constants for the min and max values.     *|
+|*                                                                            *|
+|* No library is required when using these functions.                         *|
+|*                                                                            *|
+|*===----------------------------------------------------------------------===*/
+
+/* Please leave this file C-compatible. */
 
 #ifndef SUPPORT_DATATYPES_H
 #define SUPPORT_DATATYPES_H
 
-#include "llvm/Config/config.h"
+#undef HAVE_SYS_TYPES_H
+#undef HAVE_INTTYPES_H
+#undef HAVE_STDINT_H
+#undef HAVE_UINT64_T
+#undef HAVE_U_INT64_T
+
+#ifdef __cplusplus
+#include <cmath>
+#else
+#include <math.h>
+#endif
 
-// Note that this header's correct operation depends on __STDC_LIMIT_MACROS
-// being defined.  We would define it here, but in order to prevent Bad Things
-// happening when system headers or C++ STL headers include stdint.h before
-// we define it here, we define it on the g++ command line (in Makefile.rules).
+/* Note that this header's correct operation depends on __STDC_LIMIT_MACROS
+   being defined.  We would define it here, but in order to prevent Bad Things
+   happening when system headers or C++ STL headers include stdint.h before we
+   define it here, we define it on the g++ command line (in Makefile.rules). */
 #if !defined(__STDC_LIMIT_MACROS)
-# error "Must #define __STDC_LIMIT_MACROS before #including Support/DataTypes.h"
+# error "Must #define __STDC_LIMIT_MACROS before #including System/DataTypes.h"
 #endif
 
-#undef HAVE_SYS_TYPES_H
-#undef HAVE_INTTYPES_H
-#undef HAVE_STDINT_H
+#if !defined(__STDC_CONSTANT_MACROS)
+# error "Must #define __STDC_CONSTANT_MACROS before " \
+        "#including System/DataTypes.h"
+#endif
 
-#ifndef _MSC_VER
-// Note that <inttypes.h> includes <stdint.h>, if this is a C99 system.
+/* Note that <inttypes.h> includes <stdint.h>, if this is a C99 system. */
 #ifdef HAVE_SYS_TYPES_H
 #include <sys/types.h>
 #endif
@@ -49,10 +62,11 @@
 #include <stdint.h>
 #endif
 
-// Fix AIX definitions of INT64_{MIN,MAX}
-#include "llvm/Support/DataTypesFix.h"
+#ifdef _AIX
+#include "llvm/Support/AIXDataTypesFix.h"
+#endif
 
-// Handle incorrect definition of uint64_t as u_int64_t
+/* Handle incorrect definition of uint64_t as u_int64_t */
 #ifndef HAVE_UINT64_T
 #ifdef HAVE_U_INT64_T
 typedef u_int64_t uint64_t;
@@ -61,14 +75,7 @@ typedef u_int64_t uint64_t;
 #endif
 #endif
 
-#else /* _MSC_VER */
-// Visual C++ doesn't provide standard integer headers, but it does provide
-// built-in data types.
-typedef __int64 int64_t;
-typedef unsigned __int64 uint64_t;
-typedef signed   int int32_t;
-typedef unsigned int uint32_t;
-typedef signed   int ssize_t;
+#ifdef _OpenBSD_
 #define INT8_MAX 127
 #define INT8_MIN -128
 #define UINT8_MAX 255
@@ -78,14 +85,27 @@ typedef signed   int ssize_t;
 #define INT32_MAX 2147483647
 #define INT32_MIN -2147483648
 #define UINT32_MAX 4294967295U
-#endif /* _MSC_VER */
+#endif
 
 /* Set defaults for constants which we cannot find. */
 #if !defined(INT64_MAX)
 # define INT64_MAX 9223372036854775807LL
 #endif
+#if !defined(INT64_MIN)
+# define INT64_MIN ((-INT64_MAX)-1)
+#endif
 #if !defined(UINT64_MAX)
 # define UINT64_MAX 0xffffffffffffffffULL
 #endif
 
+#if __GNUC__ > 3
+#define END_WITH_NULL __attribute__((sentinel))
+#else
+#define END_WITH_NULL
+#endif
+
+#ifndef HUGE_VALF
+#define HUGE_VALF (float)HUGE_VAL
+#endif
+
 #endif  /* SUPPORT_DATATYPES_H */