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arm64: Fix wrong BTI landing pad

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This patch fixes a wrong type of BTI landing pad when branching to
functions instantiated via the fft*_neon macro.

Although the previously employed paciasp instruction serves as a landing
pad, for the ways that this function is invoked it is the wrong type, resulting
in an unexpected termination of the running process.

Signed-off-by: André Kempe <andre.kempe@arm.com>
Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Andre Kempe
2022-04-25 08:33:40 +00:00
committed by Martin Storsjö
parent 08ac8bda38
commit 861285c146
1 changed files with 1 additions and 0 deletions
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libavcodec/aarch64/fft_neon.S
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@@ -340,6 +340,7 @@ endfunc
.macro def_fft n, n2, n4
function fft\n\()_neon, align=6
AARCH64_VALID_JUMP_TARGET
AARCH64_SIGN_LINK_REGISTER
sub sp, sp, #16
stp x28, x30, [sp]