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| author | Adhemerval Zanella <azanella@linux.vnet.ibm.com> | 2014-01-16 06:53:18 -0600 |
|---|---|---|
| committer | Adhemerval Zanella <azanella@linux.vnet.ibm.com> | 2014-01-16 06:53:18 -0600 |
| commit | 736c304a1ab4cee36a2f3343f1698bc0abae4608 (patch) | |
| tree | 63e4834af05375e2b1ef3b8c7db6515109edd6b8 /ChangeLog | |
| parent | 94d0cea0ad2c225019736c2f18e1280eae50fa6c (diff) | |
| download | glibc-736c304a1ab4cee36a2f3343f1698bc0abae4608.zip glibc-736c304a1ab4cee36a2f3343f1698bc0abae4608.tar.gz glibc-736c304a1ab4cee36a2f3343f1698bc0abae4608.tar.bz2 | |
PowerPC: Fix ftime gettimeofday internal call returning bogus data
This patches fixes BZ#16430 by setting a different symbol for internal
GLIBC calls that points to ifunc resolvers. For PPC32, if the symbol
is defined as hidden (which is the case for gettimeofday and time) the
compiler will create local branches (symbol@local) and linker will not
create PLT calls (required for IFUNC). This will leads to internal symbol
calling the IFUNC resolver instead of the resolved symbol.
For PPC64 this behavior does not occur because a call to a function in
another translation unit might use a different toc pointer thus requiring
a PLT call.
Diffstat (limited to 'ChangeLog')
| -rw-r--r-- | ChangeLog | 8 |
1 files changed, 8 insertions, 0 deletions
@@ -1,3 +1,11 @@ +2014-01-16 Adhemerval Zanella <azanella@linux.vnet.ibm.com> + + [BZ#16430] + * sysdeps/unix/sysv/linux/powerpc/gettimeofday.c + (__GI___gettimeofday): Alias for a different internal symbol to avoid + local calls issues by not having a PLT stub required for IFUNC calls. + * sysdeps/unix/sysv/linux/powerpc/time.c (__GI_time): Likewise. + 2014-01-16 Joseph Myers <joseph@codesourcery.com> * math/test-fpucw-ieee.c: Use <> in #include of test-fpucw.c. |