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* aarch64: fix typo in bits/ioctl.hSzabolcs Nagy2015-03-141-1/+1
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* aarch64: add struct _aarch64_ctx to signal.hSzabolcs Nagy2015-03-141-0/+17
| | | | | | | | The unwind code in libgcc uses this type for unwinding across signal handlers. On aarch64 the kernel may place a sequence of structs on the signal stack on top of the ucontext to provide additional information. The unwinder only needs the header, but added all the types the kernel currently defines for this mechanism because they are part of the uapi.
* add aarch64 portSzabolcs Nagy2015-03-1128-0/+1468
This adds complete aarch64 target support including bigendian subarch. Some of the long double math functions are known to be broken otherwise interfaces should be fully functional, but at this point consider this port experimental. Initial work on this port was done by Sireesh Tripurari and Kevin Bortis.