/** @file\r
Processor or Compiler specific defines and types x64 (Intel 64, AMD64).\r
\r
- Copyright (c) 2006 - 2013, Intel Corporation. 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
+ Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.<BR>\r
+ SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#pragma pack()\r
#endif\r
\r
+#if defined(__GNUC__) && defined(__pic__) && !defined(USING_LTO) && !defined(__APPLE__)\r
+//\r
+// Mark all symbol declarations and references as hidden, meaning they will\r
+// not be subject to symbol preemption. This allows the compiler to refer to\r
+// symbols directly using relative references rather than via the GOT, which\r
+// contains absolute symbol addresses that are subject to runtime relocation.\r
+//\r
+// The LTO linker will not emit GOT based relocations when all symbol\r
+// references can be resolved locally, and so there is no need to set the\r
+// pragma in that case (and doing so will cause other issues).\r
+//\r
+#pragma GCC visibility push (hidden)\r
+#endif\r
\r
#if defined(__INTEL_COMPILER)\r
//\r
#pragma warning ( disable : 4057 )\r
\r
//\r
-// ASSERT(FALSE) or while (TRUE) are legal constructes so supress this warning\r
+// ASSERT(FALSE) or while (TRUE) are legal constructs so suppress this warning\r
//\r
#pragma warning ( disable : 4127 )\r
\r
//\r
#pragma warning ( disable : 4206 )\r
\r
+#if _MSC_VER == 1800 || _MSC_VER == 1900 || _MSC_VER >= 1910\r
+\r
+//\r
+// Disable these warnings for VS2013.\r
+//\r
+\r
+//\r
+// This warning is for potentially uninitialized local variable, and it may cause false\r
+// positive issues in VS2013 and VS2015 build\r
+//\r
+#pragma warning ( disable : 4701 )\r
+\r
+//\r
+// This warning is for potentially uninitialized local pointer variable, and it may cause\r
+// false positive issues in VS2013 and VS2015 build\r
+//\r
+#pragma warning ( disable : 4703 )\r
+\r
+#endif\r
+\r
#endif\r
\r
\r
#if defined(_MSC_EXTENSIONS)\r
//\r
- // use Microsoft C complier dependent integer width types \r
+ // use Microsoft C compiler dependent integer width types\r
//\r
\r
///\r
///\r
#define MAX_ADDRESS 0xFFFFFFFFFFFFFFFFULL\r
\r
+///\r
+/// Maximum usable address at boot time\r
+///\r
+#define MAX_ALLOC_ADDRESS MAX_ADDRESS\r
+\r
///\r
/// Maximum legal x64 INTN and UINTN values.\r
///\r
#define MAX_INTN ((INTN)0x7FFFFFFFFFFFFFFFULL)\r
#define MAX_UINTN ((UINTN)0xFFFFFFFFFFFFFFFFULL)\r
\r
+///\r
+/// Minimum legal x64 INTN value.\r
+///\r
+#define MIN_INTN (((INTN)-9223372036854775807LL) - 1)\r
+\r
///\r
/// The stack alignment required for x64\r
///\r
#define CPU_STACK_ALIGNMENT 16\r
\r
+///\r
+/// Page allocation granularity for x64\r
+///\r
+#define DEFAULT_PAGE_ALLOCATION_GRANULARITY (0x1000)\r
+#define RUNTIME_PAGE_ALLOCATION_GRANULARITY (0x1000)\r
+\r
//\r
// Modifier to ensure that all protocol member functions and EFI intrinsics\r
// use the correct C calling convention. All protocol member functions and\r
///\r
#elif defined(_MSC_EXTENSIONS)\r
///\r
- /// Microsoft* compiler specific method for EFIAPI calling convension\r
- /// \r
- #define EFIAPI __cdecl \r
+ /// Microsoft* compiler specific method for EFIAPI calling convention.\r
+ ///\r
+ #define EFIAPI __cdecl\r
#elif defined(__GNUC__)\r
///\r
- /// Define the standard calling convention reguardless of optimization level.\r
+ /// Define the standard calling convention regardless of optimization level.\r
/// The GCC support assumes a GCC compiler that supports the EFI ABI. The EFI\r
- /// ABI is much closer to the x64 Microsoft* ABI than standard x64 (x86-64) \r
- /// GCC ABI. Thus a standard x64 (x86-64) GCC compiler can not be used for \r
- /// x64. Warning the assembly code in the MDE x64 does not follow the correct \r
+ /// ABI is much closer to the x64 Microsoft* ABI than standard x64 (x86-64)\r
+ /// GCC ABI. Thus a standard x64 (x86-64) GCC compiler can not be used for\r
+ /// x64. Warning the assembly code in the MDE x64 does not follow the correct\r
/// ABI for the standard x64 (x86-64) GCC.\r
///\r
- #define EFIAPI \r
+ #define EFIAPI\r
#else\r
///\r
/// The default for a non Microsoft* or GCC compiler is to assume the EFI ABI\r
- /// is the standard. \r
+ /// is the standard.\r
///\r
- #define EFIAPI \r
+ #define EFIAPI\r
#endif\r
\r
-#if defined(__GNUC__)\r
+#if defined(__GNUC__) || defined(__clang__)\r
///\r
/// For GNU assembly code, .global or .globl can declare global symbols.\r
/// Define this macro to unify the usage.\r
\r
/**\r
Return the pointer to the first instruction of a function given a function pointer.\r
- On x64 CPU architectures, these two pointer values are the same, \r
+ On x64 CPU architectures, these two pointer values are the same,\r
so the implementation of this macro is very simple.\r
- \r
+\r
@param FunctionPointer A pointer to a function.\r
\r
@return The pointer to the first instruction of a function given a function pointer.\r
- \r
+\r
**/\r
#define FUNCTION_ENTRY_POINT(FunctionPointer) (VOID *)(UINTN)(FunctionPointer)\r
\r
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