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288662 |
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04-Oct-2015 |
rwatson |
Add missing stack unwind information to several assembly functions on ARMv6/7:
- Define _SAVE() macro to allow unwind data to be conditionally defined for ARM assembly code in the kernel.
- Use _SAVE() to provide unwind information for bcopy_page(), and two (of many) instances of copyin() and copyout().
Reviewed by: andrew, imp MFC after: 3 days Sponsored by: University of Cambridge
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