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aarch64: correct CFI in rawmemchr (bug 31113)

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The .cfi_return_column directive changes the return column for the whole
FDE range.  But the actual intent is to tell the unwinder that the value
in x30 (lr) now resides in x15 after the move, and that is expressed by
the .cfi_register directive.
This commit is contained in:
Andreas Schwab 2023-11-23 18:23:46 +01:00
parent 63d0a35d5f
commit 3f79842788
1 changed files with 1 additions and 1 deletions
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2
sysdeps/aarch64/rawmemchr.S
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@ -31,7 +31,7 @@ ENTRY (__rawmemchr)
L(do_strlen): L(do_strlen):
mov x15, x30 mov x15, x30
cfi_return_column (x15) cfi_register (x30, x15)
mov x14, x0 mov x14, x0
bl __strlen bl __strlen
add x0, x14, x0 add x0, x14, x0