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HobLib: Don't break GCC strict aliasing 

Change-Id: I1bd33e423b0fcb69597e001b61c6ea916f5fe44a
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-on: https://review.coreboot.org/14622
Tested-by: build bot (Jenkins)
Reviewed-by: Leroy P Leahy <leroy.p.leahy@intel.com>
This commit is contained in:
Stefan Reinauer 2016-05-04 17:57:52 -07:00 committed by Martin Roth
parent a53977e232
commit 1eaf58be2c
1 changed files with 5 additions and 5 deletions
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10
src/vendorcode/intel/edk2/uefi_2.4/MdePkg/Include/Library/HobLib.h
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@ -431,7 +431,7 @@ BuildMemoryAllocationHob (
**/ **/
#define GET_HOB_TYPE(HobStart) \ #define GET_HOB_TYPE(HobStart) \
((*(EFI_HOB_GENERIC_HEADER **)&(HobStart))->HobType) (((EFI_HOB_GENERIC_HEADER *)HobStart)->HobType)
/** /**
Returns the length, in bytes, of a HOB. Returns the length, in bytes, of a HOB.
@ -445,7 +445,7 @@ BuildMemoryAllocationHob (
**/ **/
#define GET_HOB_LENGTH(HobStart) \ #define GET_HOB_LENGTH(HobStart) \
((*(EFI_HOB_GENERIC_HEADER **)&(HobStart))->HobLength) (((EFI_HOB_GENERIC_HEADER *)HobStart)->HobLength)
/** /**
Returns a pointer to the next HOB in the HOB list. Returns a pointer to the next HOB in the HOB list.
@ -459,7 +459,7 @@ BuildMemoryAllocationHob (
**/ **/
#define GET_NEXT_HOB(HobStart) \ #define GET_NEXT_HOB(HobStart) \
(VOID *)(*(UINT8 **)&(HobStart) + GET_HOB_LENGTH (HobStart)) (VOID *)((UINT8 *)(HobStart) + GET_HOB_LENGTH(HobStart))
/** /**
Determines if a HOB is the last HOB in the HOB list. Determines if a HOB is the last HOB in the HOB list.
@ -488,7 +488,7 @@ BuildMemoryAllocationHob (
**/ **/
#define GET_GUID_HOB_DATA(HobStart) \ #define GET_GUID_HOB_DATA(HobStart) \
(VOID *)(*(UINT8 **)&(HobStart) + sizeof (EFI_HOB_GUID_TYPE)) (VOID *)((UINT8 *)(HobStart) + sizeof(EFI_HOB_GUID_TYPE))
/** /**
Returns the size of the data buffer from a HOB of type EFI_HOB_TYPE_GUID_EXTENSION. Returns the size of the data buffer from a HOB of type EFI_HOB_TYPE_GUID_EXTENSION.
@ -501,6 +501,6 @@ BuildMemoryAllocationHob (
@return The size of the data buffer. @return The size of the data buffer.
**/ **/
#define GET_GUID_HOB_DATA_SIZE(HobStart) \ #define GET_GUID_HOB_DATA_SIZE(HobStart) \
(UINT16)(GET_HOB_LENGTH (HobStart) - sizeof (EFI_HOB_GUID_TYPE)) (UINT16)(GET_HOB_LENGTH(HobStart) - sizeof(EFI_HOB_GUID_TYPE))
#endif #endif