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On 04/19/2017 08:35 PM, H.J. Lu wrote:
dl_platform and dl_hwcap are set from AT_PLATFORM and AT_HWCAP very early during startup. They are used by dynamic linker to determine platform and build an array of hardware capability names, which are added to search path when loading shared object. dl_platform and dl_hwcap are unused on x86-64. On i386, i386, i486, i586 and i686 platforms were supported and only SSE2 capability was used.
I don't know where you want to take this, so it's hard to tell if this is going to cause problems eventually. GLRO is default-initialized in a nested libc (after dlmopen or static dlopen).
Thanks, Florian
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