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Bug 14138 is followup cleanup after removal of support for old Linux
kernel versions: moving syscalls to syscalls.list where the only
reason for using C definitions was kernel version conditionals that
are no longer present.
This patch deals with the case of setrlimit
(sysdeps/unix/sysv/linux/i386/setrlimit.c, included by various other
architectures). Where needed (where there is also a compat symbol for
setrlimit@GLIBC_2.0), new syscalls.list entries are added. Where not
needed (where there is no such compat symbol and the minimum symbol
version for libc is 2.2 or later), no such entries are added as that
in sysdeps/unix/syscalls.list will suffice. Thus arm and sh need no
such entries, while m68k and powerpc need entries only in a
subdirectory syscalls.list file rather than for all configurations
that previously used setrlimit.c.
(setrlimit@@GLIBC_2.2 and setrlimit@GLIBC_2.0 are now semantically
identical - the new symbol version was about a change of types from
signed to unsigned and the former compatibility code for dealing with
large unsigned arguments on old kernels is no longer needed or
present, having been removed with support for pre-2.4 kernels.
However, making the two versions into aliases doesn't work at present:
the case of having both default and non-default symbol versions on the
same syscalls.list line results in a compat_symbol call in code built
for static libc, which doesn't compile. I don't suppose it would be
hard to generate SHARED conditionals from make-syscalls.sh to fix
this, but in any case this patch doesn't make things any worse, as the
functions weren't aliases before the patch either.)
Tested for x86, and ran ABI tests for ARM as an example of an
architecture where the setrlimit.c file was just removed without
adding syscalls.list entries.
[BZ #14138]
* sysdeps/unix/sysv/linux/arm/setrlimit.c: Remove file.
* sysdeps/unix/sysv/linux/i386/setrlimit.c: Likewise.
* sysdeps/unix/sysv/linux/m68k/setrlimit.c: Likewise.
* sysdeps/unix/sysv/linux/powerpc/setrlimit.c: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/setrlimit.c: Likewise.
* sysdeps/unix/sysv/linux/sh/setrlimit.c: Likewise.
* sysdeps/unix/sysv/linux/i386/syscalls.list (setrlimit): Add
syscall entry for GLIBC_2.2 symbol version.
* sysdeps/unix/sysv/linux/m68k/m680x0/syscalls.list (setrlimit):
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/syscalls.list
(setrlimit): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/syscalls.list (setrlimit):
Likewise.
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* sysdeps/mach/hppa: Likewise.
* sysdeps/mach/hurd/hppa: Likewise.
* sysdeps/unix/sysv/linux/hppa: Likewise.
* configure.in (machine): Remove hppa* cases.
* configure: Regenerated.
* shlib-versions: Remove hppa cases.
* sysdeps/m68k: Directory removed, saved in ports repository.
* sysdeps/unix/bsd/m68k: Likewise.
* sysdeps/unix/sysv/linux/m68k: Likewise.
* configure.in (machine): Remove m68* cases.
* configure: Regenerated.
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* sysdeps/unix/sysv/linux/m68k/fcntl.c: New file.
* sysdeps/unix/sysv/linux/m68k/getdents64.c: New file.
* sysdeps/unix/sysv/linux/m68k/getrlimit.c: New file.
* sysdeps/unix/sysv/linux/m68k/getrlimit64.c: New file.
* sysdeps/unix/sysv/linux/m68k/glob64.c: New file.
* sysdeps/unix/sysv/linux/m68k/lockf64.c: New file.
* sysdeps/unix/sysv/linux/m68k/oldgetrlimit64.c: New file.
* sysdeps/unix/sysv/linux/m68k/readdir64.c: New file.
* sysdeps/unix/sysv/linux/m68k/readdir64_r.c: New file.
* sysdeps/unix/sysv/linux/m68k/scandir64.c: New file.
* sysdeps/unix/sysv/linux/m68k/setrlimit.c: New file.
* sysdeps/unix/sysv/linux/m68k/versionsort64.c: New file.
* sysdeps/unix/sysv/linux/m68k/Dist: Add oldgetrlimit64.c.
* sysdeps/unix/sysv/linux/m68k/Makefile: Add oldgetrlimit64.
* sysdeps/unix/sysv/linux/m68k/Versions: Export __xstat64,
__fxstat64, __lxstat64, alphasort64, glob64, getrlimit, setrlimit,
getrlimit64, readdir64, readdir64_r, scandir64, versionsort64 at
GLIBC_2.2.
* sysdeps/unix/sysv/linux/m68k/syscalls.list: Add oldgetrlimit,
oldsetrlimit for GLIBC_2.0.
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