\r
Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r
-This program and the accompanying materials\r
-are licensed and made available under the terms and conditions of the BSD License\r
-which accompanies this distribution. The full text of the license may be found at\r
-http://opensource.org/licenses/bsd-license.php.\r
-\r
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#pragma warning ( disable : 4200 )\r
#endif\r
\r
-/**\r
- Verifies the storage size of a given data type.\r
-\r
- This macro generates a divide by zero error or a zero size array declaration in\r
- the preprocessor if the size is incorrect. These are declared as "extern" so\r
- the space for these arrays will not be in the modules.\r
-\r
- @param TYPE The date type to determine the size of.\r
- @param Size The expected size for the TYPE.\r
-\r
-**/\r
-#define VERIFY_SIZE_OF(TYPE, Size) extern UINT8 _VerifySizeof##TYPE[(sizeof(TYPE) == (Size)) / (sizeof(TYPE) == (Size))]\r
-\r
-//\r
-// Verify that ProcessorBind.h produced UEFI Data Types that are compliant with\r
-// Section 2.3.1 of the UEFI 2.3 Specification.\r
-//\r
-VERIFY_SIZE_OF (BOOLEAN, 1);\r
-VERIFY_SIZE_OF (INT8, 1);\r
-VERIFY_SIZE_OF (UINT8, 1);\r
-VERIFY_SIZE_OF (INT16, 2);\r
-VERIFY_SIZE_OF (UINT16, 2);\r
-VERIFY_SIZE_OF (INT32, 4);\r
-VERIFY_SIZE_OF (UINT32, 4);\r
-VERIFY_SIZE_OF (INT64, 8);\r
-VERIFY_SIZE_OF (UINT64, 8);\r
-VERIFY_SIZE_OF (CHAR8, 1);\r
-VERIFY_SIZE_OF (CHAR16, 2);\r
-\r
-//\r
-// The following three enum types are used to verify that the compiler\r
-// configuration for enum types is compliant with Section 2.3.1 of the\r
-// UEFI 2.3 Specification. These enum types and enum values are not\r
-// intended to be used. A prefix of '__' is used avoid conflicts with\r
-// other types.\r
-//\r
-typedef enum {\r
- __VerifyUint8EnumValue = 0xff\r
-} __VERIFY_UINT8_ENUM_SIZE;\r
-\r
-typedef enum {\r
- __VerifyUint16EnumValue = 0xffff\r
-} __VERIFY_UINT16_ENUM_SIZE;\r
-\r
-typedef enum {\r
- __VerifyUint32EnumValue = 0xffffffff\r
-} __VERIFY_UINT32_ENUM_SIZE;\r
-\r
-VERIFY_SIZE_OF (__VERIFY_UINT8_ENUM_SIZE, 4);\r
-VERIFY_SIZE_OF (__VERIFY_UINT16_ENUM_SIZE, 4);\r
-VERIFY_SIZE_OF (__VERIFY_UINT32_ENUM_SIZE, 4);\r
-\r
//\r
// The Microsoft* C compiler can removed references to unreferenced data items\r
// if the /OPT:REF linker option is used. We defined a macro as this is a\r
// a non standard extension\r
//\r
-#if defined(_MSC_EXTENSIONS) && _MSC_VER < 1800 && !defined (MDE_CPU_EBC)\r
+#if defined(_MSC_VER) && _MSC_VER < 1800 && !defined (MDE_CPU_EBC)\r
///\r
/// Remove global variable from the linked image if there are no references to\r
/// it after all compiler and linker optimizations have been performed.\r
// warnings.\r
//\r
#ifndef UNREACHABLE\r
- #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ > 4)\r
+ #ifdef __GNUC__\r
///\r
/// Signal compilers and analyzers that this call is not reachable. It is\r
/// up to the compiler to remove any code past that point.\r
- /// Not implemented by GCC 4.4 or earlier.\r
///\r
#define UNREACHABLE() __builtin_unreachable ()\r
#elif defined (__has_feature)\r
///\r
#define ASM_PFX(name) _CONCATENATE (__USER_LABEL_PREFIX__, name)\r
\r
-#if __APPLE__\r
+#ifdef __APPLE__\r
//\r
// Apple extension that is used by the linker to optimize code size\r
// with assembly functions. Put at the end of your .S files\r
#define VA_END(Marker) (Marker = (VA_LIST) 0)\r
#define VA_COPY(Dest, Start) ((void)((Dest) = (Start)))\r
\r
-#elif defined(__GNUC__)\r
+#elif defined(__GNUC__) || defined(__clang__)\r
\r
#if defined(MDE_CPU_X64) && !defined(NO_MSABI_VA_FUNCS)\r
//\r
@return Offset, in bytes, of field.\r
\r
**/\r
-#ifdef __GNUC__\r
-#if __GNUC__ >= 4\r
+#if (defined(__GNUC__) && __GNUC__ >= 4) || defined(__clang__)\r
#define OFFSET_OF(TYPE, Field) ((UINTN) __builtin_offsetof(TYPE, Field))\r
#endif\r
-#endif\r
\r
#ifndef OFFSET_OF\r
#define OFFSET_OF(TYPE, Field) ((UINTN) &(((TYPE *)0)->Field))\r
#endif\r
\r
+/**\r
+ Portable definition for compile time assertions.\r
+ Equivalent to C11 static_assert macro from assert.h.\r
+\r
+ @param Expression Boolean expression.\r
+ @param Message Raised compiler diagnostic message when expression is false.\r
+\r
+**/\r
+#ifdef MDE_CPU_EBC\r
+ #define STATIC_ASSERT(Expression, Message)\r
+#elif defined(_MSC_EXTENSIONS)\r
+ #define STATIC_ASSERT static_assert\r
+#else\r
+ #define STATIC_ASSERT _Static_assert\r
+#endif\r
+\r
+//\r
+// Verify that ProcessorBind.h produced UEFI Data Types that are compliant with\r
+// Section 2.3.1 of the UEFI 2.3 Specification.\r
+//\r
+\r
+STATIC_ASSERT (sizeof (BOOLEAN) == 1, "sizeof (BOOLEAN) does not meet UEFI Specification Data Type requirements");\r
+STATIC_ASSERT (sizeof (INT8) == 1, "sizeof (INT8) does not meet UEFI Specification Data Type requirements");\r
+STATIC_ASSERT (sizeof (UINT8) == 1, "sizeof (UINT8) does not meet UEFI Specification Data Type requirements");\r
+STATIC_ASSERT (sizeof (INT16) == 2, "sizeof (INT16) does not meet UEFI Specification Data Type requirements");\r
+STATIC_ASSERT (sizeof (UINT16) == 2, "sizeof (UINT16) does not meet UEFI Specification Data Type requirements");\r
+STATIC_ASSERT (sizeof (INT32) == 4, "sizeof (INT32) does not meet UEFI Specification Data Type requirements");\r
+STATIC_ASSERT (sizeof (UINT32) == 4, "sizeof (UINT32) does not meet UEFI Specification Data Type requirements");\r
+STATIC_ASSERT (sizeof (INT64) == 8, "sizeof (INT64) does not meet UEFI Specification Data Type requirements");\r
+STATIC_ASSERT (sizeof (UINT64) == 8, "sizeof (UINT64) does not meet UEFI Specification Data Type requirements");\r
+STATIC_ASSERT (sizeof (CHAR8) == 1, "sizeof (CHAR8) does not meet UEFI Specification Data Type requirements");\r
+STATIC_ASSERT (sizeof (CHAR16) == 2, "sizeof (CHAR16) does not meet UEFI Specification Data Type requirements");\r
+\r
+//\r
+// The following three enum types are used to verify that the compiler\r
+// configuration for enum types is compliant with Section 2.3.1 of the\r
+// UEFI 2.3 Specification. These enum types and enum values are not\r
+// intended to be used. A prefix of '__' is used avoid conflicts with\r
+// other types.\r
+//\r
+typedef enum {\r
+ __VerifyUint8EnumValue = 0xff\r
+} __VERIFY_UINT8_ENUM_SIZE;\r
+\r
+typedef enum {\r
+ __VerifyUint16EnumValue = 0xffff\r
+} __VERIFY_UINT16_ENUM_SIZE;\r
+\r
+typedef enum {\r
+ __VerifyUint32EnumValue = 0xffffffff\r
+} __VERIFY_UINT32_ENUM_SIZE;\r
+\r
+STATIC_ASSERT (sizeof (__VERIFY_UINT8_ENUM_SIZE) == 4, "Size of enum does not meet UEFI Specification Data Type requirements");\r
+STATIC_ASSERT (sizeof (__VERIFY_UINT16_ENUM_SIZE) == 4, "Size of enum does not meet UEFI Specification Data Type requirements");\r
+STATIC_ASSERT (sizeof (__VERIFY_UINT32_ENUM_SIZE) == 4, "Size of enum does not meet UEFI Specification Data Type requirements");\r
+\r
/**\r
Macro that returns a pointer to the data structure that contains a specified field of\r
that data structure. This is a lightweight method to hide information by placing a\r
@return A pointer to the structure from one of it's elements.\r
\r
**/\r
-#define BASE_CR(Record, TYPE, Field) ((TYPE *) ((CHAR8 *) (Record) - (CHAR8 *) &(((TYPE *) 0)->Field)))\r
+#define BASE_CR(Record, TYPE, Field) ((TYPE *) ((CHAR8 *) (Record) - OFFSET_OF (TYPE, Field)))\r
\r
/**\r
Rounds a value up to the next boundary using a specified alignment.\r
\r
**/\r
#define RETURN_ADDRESS(L) ((L == 0) ? _ReturnAddress() : (VOID *) 0)\r
-#elif defined(__GNUC__)\r
+#elif defined (__GNUC__) || defined (__clang__)\r
void * __builtin_return_address (unsigned int level);\r
/**\r
Get the return address of the calling function.\r
projects / mirror_edk2.git / blobdiff