| Commit message (Collapse) | Author | Age | Files | Lines |
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This patch removes the architecture specific gettimeofday implementation
to use the vDSO symbol and consolidate it on a common Linux one.
Similar to clock_gettime and clock_getres vDSO implementation, each port
that supports gettimeofday through vDSO should just implement INLINE_VSYSCALL
to access the symbol and define HAVE_{GETTIME,GETRES}_VSYSCAL as 1.
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This patch consolidate the Linux vDSO define and usage across all ports
that uses it. The common vDSO definitions and calling through
{INLINE/INTERNAL}_VSYSCALL macros are moved to a common header
sysdep-vdso.h and vDSO name declaration and prototype is defined
using a common macro.
Also PTR_{MANGLE,DEMANGLE} is added to ports that does not use them
for vDSO calls (aarch64, powerpc, s390, and tile) and thus it will
reflect in code changes. For ports that already implement pointer
mangling/demangling in vDSO system (i386, x32, x86_64) this patch
is mainly a code refactor.
Checked on x32, x86_64, x32, ppc64le, and aarch64.
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This patch moves the libc-vdso.h internal header from bits folder to
default architecture one and also corrects the remaning includes in
the files.
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* sysdeps/unix/sysv/linux/s390/gettimeofday.c: New file.
* sysdeps/unix/sysv/linux/s390/init-first.c: New file.
* sysdeps/unix/sysv/linux/s390/Makefile (sysdep_routines): Add dl-vdso
for elf subdir.
* sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h (INLINE_VSYSCALL,
INTERNAL_VSYSCALL, INTERNAL_VSYSCALL_NO_SYSCALL_FALLBACK,
INTERNAL_SYSCALL_NCS, HAVE_CLOCK_GETRES_VSYSCALL and
HAVE_CLOCK_GETTIME_VSYSCALL: Define.
* sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/s390/Versions: New file.
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