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* arm: add HWCAP_ARM_ hwcap macrosSzabolcs Nagy2017-08-291-0/+24
| | | | | | | Glibc renamed the linux uapi HWCAP_* macros to HWCAP_ARM_* so have both variants in case some code depends on it. (The HWCAP2_ macros are not defined in glibc currently so those only have the linux uapi variant.)
* add bits/hwcap.h and include it in sys/auxv.hSzabolcs Nagy2016-10-201-0/+29
aarch64, arm, mips, mips64, mipsn32, powerpc, powerpc64 and sh have cpu feature bits defined in linux for AT_HWCAP auxv entry, so expose those in sys/auxv.h it seems the mips hwcaps were never exposed to userspace neither by linux nor by glibc, but that's most likely an oversight.