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Re: ARM hard-float ABI: add ldconfig flag value
- From: Roland McGrath <roland at hack dot frob dot com>
- To: Steve McIntyre <steve dot mcintyre at linaro dot org>
- Cc: libc-alpha at sourceware dot org, libc-ports at sourceware dot org
- Date: Thu, 2 Aug 2012 10:28:43 -0700 (PDT)
- Subject: Re: ARM hard-float ABI: add ldconfig flag value
- References: <20120727160941.GA13597@linaro.org> <20120802165658.GG24537@linaro.org>
libc-ports@sourceware.org is the right list for discussing ARM.
OSABI is used in a generic way and should not be used for machine-specific
purposes. An e_flags (EF_*) bit is probably a better choice. There are
already these bits (among others):
#define EF_ARM_SOFT_FLOAT 0x200
#define EF_ARM_VFP_FLOAT 0x400
#define EF_ARM_MAVERICK_FLOAT 0x800
But I don't know the history of their use. Off hand EF_ARM_VFP_FLOAT seems
like it's already what you want, but maybe it has a different meaning (like
just that it uses VFP, not that the ABI specifies using VFP registers in
the calling convention).
Thanks,
Roland