glibc.git - Mirror of https://sourceware.org/git/glibc.git

Age	Commit message (Collapse)	Author
2014-02-10	Use glibc_likely instead __builtin_expect.	Ondřej Bílka

2014-01-01	Update copyright notices with scripts/update-copyrights	Allan McRae

2013-05-22	Update comments in ldconfig.c and dl-hwcaps.c.	Carlos O'Donell
	In dl-hwcaps.c the comment read that rounding was done to ElfW(Addr), but it's actually rounded to ElfW(Word). In ldconfig.c we make each comment a sentence and mention that the "tls" pseudo-hwcap is just for legacy installations where TLS was optional. --- 2013-05-22 Carlos O'Donell <carlos@redhat.com> * elf/ldconfig.c (is_hwcap_platform): Make comments full setences. (main): Mention "tls" pseudo-hwcap is legacy. * elf/dl-hwcaps.c (_dl_important_hwcaps): Correct rounding comment.
2013-05-14	Add comments to vDSO hwcap loading process.	Carlos O'Donell
	Loading of the vDSO pseudo-hwcap from the type 2 GNU note is a rather arcane and poorly documented process. Given that I had a chance to review this code today I thought I would add all of the things I had to lookup to verify the validity of the process. With a single .note.GNU the vDSO can register up to 64 flags, though in practice you are limited to 64 - _DL_FIRST_EXTRA bits which on x86 is 12 bits. The only use of this that I know of is in the Xen support in Linux where they use the 1st bit to indicate "nosegneg". I see "We use bit 1 to avoid bugs in some versions of glibc when bit 0 is used; the choice is otherwise arbitrary.", but no reference to a glibc bug anywhere. The code as-is should support bit zero, so we still have that free for future use. The kernel, glibc, and ld.so.cache must coordinate to ensure that bit values don't go too high and are used consistently. --- 2013-05-13 Carlos O'Donell <carlos@redhat.com> * elf/dl-hwcaps.c (_dl_important_hwcaps): Comment vDSO hwcap loading. * elf/ldconfig.c (is_hwcap_platform): Comment each hwcap check. (main): Comment "tls" pseudo-hwcap.
2013-03-01	Fix NEED_DL_SYSINFO_DSO conditionals.	Roland McGrath

2013-02-05	Replace an alloca use with a variable-length array.	Roland McGrath

2013-01-02	Update copyright notices with scripts/update-copyrights.	Joseph Myers

2012-10-05	Move _dl_important_hwcaps to dl-hwcaps.c	H.J. Lu