mirror of
https://github.com/acidanthera/OpenCorePkg.git
synced 2025-12-08 19:25:01 +00:00
51 lines
1.8 KiB
C
51 lines
1.8 KiB
C
/** @file
|
|
This header provides internal OcGuardLib definitions.
|
|
|
|
Copyright (c) 2020, vit9696. All rights reserved.<BR>
|
|
SPDX-License-Identifier: BSD-3-Clause
|
|
**/
|
|
|
|
#ifndef OC_GUARD_INTERNALS_H
|
|
#define OC_GUARD_INTERNALS_H
|
|
|
|
#if defined(__has_builtin)
|
|
#if __has_builtin(__builtin_add_overflow) && __has_builtin(__builtin_sub_overflow) && __has_builtin(__builtin_mul_overflow)
|
|
#define OC_HAS_TYPE_GENERIC_BUILTINS 1
|
|
#endif
|
|
#endif
|
|
|
|
#if defined(__GNUC__) || defined(__clang__)
|
|
#if defined(MDE_CPU_AARCH64) || defined(MDE_CPU_X64)
|
|
STATIC_ASSERT (sizeof (INTN) == 8, "INTN is expected to be 8 bytes");
|
|
STATIC_ASSERT (sizeof (UINTN) == 8, "UINTN is expected to be 8 bytes");
|
|
#define OC_HAS_TYPE_SPECIFIC_BUILTINS_64 1
|
|
#elif defined(MDE_CPU_ARM) || defined(MDE_CPU_IA32)
|
|
STATIC_ASSERT (sizeof (INTN) == 4, "INTN is expected to be 4 bytes");
|
|
STATIC_ASSERT (sizeof (UINTN) == 4, "UINTN is expected to be 4 bytes");
|
|
#define OC_HAS_TYPE_SPECIFIC_BUILTINS_32 1
|
|
#endif
|
|
|
|
STATIC_ASSERT (sizeof (int) == 4, "int is expected to be 4 bytes");
|
|
STATIC_ASSERT (sizeof (unsigned) == 4, "unsigned is expected to be 4 bytes");
|
|
STATIC_ASSERT (sizeof (long long) == 8, "long long is expected to be 8 bytes");
|
|
STATIC_ASSERT (sizeof (unsigned long long) == 8, "unsigned long long is expected to be 8 bytes");
|
|
#define OC_HAS_TYPE_SPECIFIC_BUILTINS 1
|
|
#endif
|
|
|
|
//
|
|
// Currently no architectures provide UINTN and INTN different from 32-bit or 64-bit
|
|
// integers. For this reason they are the only variants supported and are enforced here.
|
|
//
|
|
|
|
STATIC_ASSERT (
|
|
sizeof (INTN) == sizeof (INT64) || sizeof (INTN) == sizeof (INT32),
|
|
"INTN must be 32 or 64 Bits wide."
|
|
);
|
|
|
|
STATIC_ASSERT (
|
|
sizeof (UINTN) == sizeof (UINT64) || sizeof (UINTN) == sizeof (UINT32),
|
|
"UINTN must be 32 or 64 Bits wide."
|
|
);
|
|
|
|
#endif // OC_GUARD_INTERNALS_H
|