On Wed, Dec 2, 2015 at 12:07 AM, Barry Song <[email protected]> wrote:
> i am wondering whether ld.so will check the capbility of ARM to decide
> which version should be used.
I believe the way this works is that the kernel uses the auxiliary
vector to pass an AT_HWCAP entry to programs. AT_HWCAP has hardware
capability info. ld.so then checks the AT_HWCAP info, and only
searches in matching dirs. See for instance
https://wiki.linaro.org/Resources/HowTo/DeterminingCPUFeatures
Jim
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