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author | Joseph Myers <joseph@codesourcery.com> | 2017-01-12 02:19:00 +0000 |
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committer | Joseph Myers <joseph@codesourcery.com> | 2017-01-12 02:19:00 +0000 |
commit | c1f0601389db64d97b3a4580c9037d7e1c9daefb (patch) | |
tree | f0cd4edaf3965527e3fe3085385846a041e30184 /sysdeps/x86_64/sub_n.S | |
parent | 4dfb9c941132d7b10b897c678f360fd27d6f5c95 (diff) | |
download | glibc-c1f0601389db64d97b3a4580c9037d7e1c9daefb.tar.gz glibc-c1f0601389db64d97b3a4580c9037d7e1c9daefb.tar.xz glibc-c1f0601389db64d97b3a4580c9037d7e1c9daefb.zip |
Fix MIPS o32 posix_fadvise.
The posix_fadvise consolidation broke posix_fadvise for MIPS o32, so resulting in posix/tst-posix_fadvise failing. MIPS o32 (and the other ABIs) has only the posix_fadvise64 syscall, which acts like posix_fadvise64_64 (in the o32 case, because of the alignment argument it's actually a 7-argument syscall). The generic posix_fadvise implementation presumes that if __NR_fadvise64 is defined, it's for the case where a single len argument is passed to the syscall rather than two syscall arguments in the case of a 32-bit system. The generic posix_fadvise64 works fine for this case (defining __NR_fadvise64_64 to __NR_fadvise64 as needed). ARM has a posix_fadvise.c that uses __posix_fadvise64_l64 in posix_fadvise, and that approach also works for MIPS o32, so this patch makes MIPS o32 include the ARM file. Tested for MIPS o32. * sysdeps/unix/sysv/linux/mips/mips32/posix_fadvise.c: New file.
Diffstat (limited to 'sysdeps/x86_64/sub_n.S')
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