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authorLin Yongting2014-11-26 14:36:15 +0100
committerRussell King2014-11-27 16:00:24 +0000
commit207a6cb06990c298d0eac982e053d370e216d93d (patch)
tree21c8e4958b21b05d35a2daad7f8b0cd8f4b627d6 /arch/arm/lib/memcpy.S
parent20cb6abfe0062693183eb2a85f7c73792e96407f (diff)
ARM: 8224/1: Add unwinding support for memmove function
The memmove function never had unwinding annotations added. Currently, when accessing invalid pointer by memmove occurs the backtrace shown will stop at memmove or some completely unrelated function. Add unwinding annotations in hopes of getting a more useful backtrace in following cases: 1. die on accessing invalid pointer by memmove 2. kprobe trapped at any instruction within memmove 3. interrupted at any instruction within memmove Signed-off-by: Lin Yongting <linyongting@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/lib/memcpy.S')
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