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ArmPlatformPkg/PrePeiCore: Make vector table object BTI compatible

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The object file containing the vector table does not contain any
callable functions, so it will not be implicitly annotated as BTI
compatible on BTI builds. So add the annotation by hand, and use the
'empty' type so we get the GNU ELF note but not the actual BTI opcode.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Leif Lindholm <quic_llindhol@quicinc.com>
Reviewed-by: Oliver Smith-Denny <osd@smith-denny.com>
This commit is contained in:
Ard Biesheuvel 2023-03-27 12:38:54 +02:00 committed by Mikhail Krichanov
parent 4a31995ee1
commit b7569263ce
1 changed files with 2 additions and 0 deletions
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2
ArmPlatformPkg/PrePeiCore/AArch64/Exception.S
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@ -112,3 +112,5 @@ _DefaultSError_LowerA32:
TO_HANDLER
VECTOR_END(PeiVectorTable)
AARCH64_BTI_NOTE()