environment. There are a set of base libraries in the Mde Package that can\r
be used to implement base modules.\r
\r
-Copyright (c) 2006 - 2017, Intel Corporation. All rights reserved.<BR>\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
\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
+// 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
#endif\r
#endif\r
\r
+///\r
+/// Tell the code optimizer that the function will return twice.\r
+/// This prevents wrong optimizations which can cause bugs.\r
+///\r
+#ifndef RETURNS_TWICE\r
+ #if defined (__GNUC__) || defined (__clang__)\r
+ ///\r
+ /// Tell the code optimizer that the function will return twice.\r
+ /// This prevents wrong optimizations which can cause bugs.\r
+ ///\r
+ #define RETURNS_TWICE __attribute__((returns_twice))\r
+ #else\r
+ ///\r
+ /// Tell the code optimizer that the function will return twice.\r
+ /// This prevents wrong optimizations which can cause bugs.\r
+ ///\r
+ #define RETURNS_TWICE\r
+ #endif\r
+#endif\r
+\r
//\r
// For symbol name in assembly code, an extra "_" is sometimes necessary\r
//\r
#define MAX_INT64 ((INT64)0x7FFFFFFFFFFFFFFFULL)\r
#define MAX_UINT64 ((UINT64)0xFFFFFFFFFFFFFFFFULL)\r
\r
+///\r
+/// Minimum values for the signed UEFI Data Types\r
+///\r
+#define MIN_INT8 (((INT8) -127) - 1)\r
+#define MIN_INT16 (((INT16) -32767) - 1)\r
+#define MIN_INT32 (((INT32) -2147483647) - 1)\r
+#define MIN_INT64 (((INT64) -9223372036854775807LL) - 1)\r
+\r
#define BIT0 0x00000001\r
#define BIT1 0x00000002\r
#define BIT2 0x00000004\r
\r
#define VA_COPY(Dest, Start) __va_copy (Dest, Start)\r
\r
+#elif defined(_M_ARM) || defined(_M_ARM64)\r
+//\r
+// MSFT ARM variable argument list support.\r
+//\r
+\r
+typedef char* VA_LIST;\r
+\r
+#define VA_START(Marker, Parameter) __va_start (&Marker, &Parameter, _INT_SIZE_OF (Parameter), __alignof(Parameter), &Parameter)\r
+#define VA_ARG(Marker, TYPE) (*(TYPE *) ((Marker += _INT_SIZE_OF (TYPE) + ((-(INTN)Marker) & (sizeof(TYPE) - 1))) - _INT_SIZE_OF (TYPE)))\r
+#define VA_END(Marker) (Marker = (VA_LIST) 0)\r
+#define VA_COPY(Dest, Start) ((void)((Dest) = (Start)))\r
+\r
#elif defined(__GNUC__)\r
\r
#if defined(MDE_CPU_X64) && !defined(NO_MSABI_VA_FUNCS)\r
\r
This macro initializes Dest as a copy of Start, as if the VA_START macro had been applied to Dest\r
followed by the same sequence of uses of the VA_ARG macro as had previously been used to reach\r
- the present state of Start. \r
+ the present state of Start.\r
\r
@param Dest VA_LIST used to traverse the list of arguments.\r
@param Start VA_LIST used to traverse the list of arguments.\r