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b8386c2859
glibc/sysdeps/unix/sysv/linux/powerpc/powerpc64
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Adhemerval Zanella b8386c2859 Remove PREPARE_VERSION and PREPARE_VERSION_KNOW 
This patch removes the PREPARE_VERSION and PREPARE_VERSION_KNOW macro
and uses a static inline function instead, get_vdso_symbol.  Each
architecture that supports vDSO must define the Linux version and its
hash for symbol resolution (VDSO_NAME and VDSO_HASH macro respectively).

It also organizes the HAVE_*_VSYSCALL for mips, powerpc, and s390 to
define them on a common header.

The idea is to require less code to configure and enable vDSO support
for newer ports.  No semantic changes are expected.

Checked with a build against all affected architectures.

	* sysdeps/unix/make-syscalls.sh: Make vDSO call use get_vdso_symbol.
	* sysdeps/unix/sysv/linux/aarch64/gettimeofday.c (__gettimeofday):
	Use get_vdso_symbol instead of _dl_vdso_vsym.
	* sysdeps/unix/sysv/linux/powerpc/time.c (time): Likewise.
	* sysdeps/unix/sysv/linux/riscv/flush-icache.c
	(__lookup_riscv_flush_icache): Likewise.
	* sysdeps/unix/sysv/linux/x86/gettimeofday.c (__gettimeofday):
	Likewise.
	* sysdeps/unix/sysv/linux/x86/time.c (time): Likewise.
	* sysdeps/unix/sysv/linux/powerpc/gettimeofday.c: Likewise.
	* sysdeps/unix/sysv/linux/aarch64/init-first.c: Likewise.
	* sysdeps/unix/sysv/linux/arm/init-first.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/init-first.c: Likewise.
	* sysdeps/unix/sysv/linux/mips/init-first.c: Likewise.
	* sysdeps/unix/sysv/linux/powerpc/init-first.c: Likewise.
	* sysdeps/unix/sysv/linux/riscv/init-first.c: Likewise.
	* sysdeps/unix/sysv/linux/sparc/init-first.c: Likewise.
	* sysdeps/unix/sysv/linux/s390/init-first.c: Likewise.
	* sysdeps/unix/sysv/linux/x86_64/init-first.c: Likewise.
	* sysdeps/unix/sysv/linux/aarch64/sysdep.h (VDSO_NAME, VDSO_HASH):
	Define.
	* sysdeps/unix/sysv/linux/arm/sysdep.h (VDSO_NAME, VDSO_HASH):
	Likewise.
	* sysdeps/unix/sysv/linux/i386/sysdep.h (VDSO_NAME, VDSO_HASH):
	Likewise.
	* sysdeps/unix/sysv/linux/riscv/sysdep.h (VDSO_NAME, VDSO_HASH):
	Likewise.
	* sysdeps/unix/sysv/linux/sparc/sysdep.h (VDSO_NAME, VDSO_HASH):
	Likewise.
	* sysdeps/unix/sysv/linux/x86_64/sysdep.h (VDSO_NAME, VDSO_HASH):
	Likewise.
	* sysdeps/unix/sysv/linux/mips/mips32/sysdep.h
	(HAVE_CLOCK_GETTIME_VSYSCALL, HAVE_GETTIMEOFDAY_VSYSCALL): Remove
	definition.
	* sysdeps/unix/sysv/linux/mips/mips64/n32/sysdep.h
	(HAVE_CLOCK_GETTIME_VSYSCALL, HAVE_GETTIMEOFDAY_VSYSCALL): Likewise.
	* sysdeps/unix/sysv/linux/mips/mips64/n64/sysdep.h
	(HAVE_CLOCK_GETTIME_VSYSCALL, HAVE_GETTIMEOFDAY_VSYSCALL): Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h
	(HAVE_CLOCK_GETTIME_VSYSCALL, HAVE_GETTIMEOFDAY_VSYSCALL): Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep.h
	(HAVE_CLOCK_GETTIME_VSYSCALL, HAVE_GETTIMEOFDAY_VSYSCALL): Likewise.
	* sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h
	(HAVE_CLOCK_GETRES_VSYSCALL, HAVE_CLOCK_GETTIME_VSYSCALL,
	HAVE_GETTIMEOFDAY_VSYSCALL, HAVE_GETCPU_VSYSCALL): Likewise.
	* sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h
	(HAVE_CLOCK_GETRES_VSYSCALL, HAVE_CLOCK_GETTIME_VSYSCALL,
	HAVE_GETTIMEOFDAY_VSYSCALL, HAVE_GETCPU_VSYSCALL): Likewise.
	* sysdeps/unix/sysv/linux/mips/sysdep.h: New file.
	* sysdeps/unix/sysv/linux/powerpc/sysdep.h: Likewise.
	* sysdeps/unix/sysv/linux/s390/sysdep.h: Likewise.
	* sysdeps/unix/sysv/linux/dl-vdso.h (PREPARE_VERSION,
	PREPARE_VERSION_KNOWN, VDSO_NAME_LINUX_2_6, VDSO_HASH_LINUX_2_6,
	VDSO_NAME_LINUX_2_6_15, VDSO_HASH_LINUX_2_6_15,
	VDSO_NAME_LINUX_2_6_29, VDSO_HASH_LINUX_2_6_29,
	VDSO_NAME_LINUX_4_15, VDSO_HASH_LINUX_4_15): Remove defines.
	(get_vdso_symbol): New function.
2019-09-17 17:09:01 -03:00
..
be Finish move of clock_* functions to libc. [BZ #24959] 2019-09-04 14:39:38 +02:00
fpu Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
le nptl: Move pthread_attr_getinheritsched implementation into libc 2019-08-30 07:33:02 +02:00
____longjmp_chk.S Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
brk.S Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
c++-types.data powerpc: Consolidate nptl/ subdirectories under linux/.... 2014-06-23 09:40:01 -07:00
clone.S Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
configure LIBC_SLIBDIR_RTLDDIR: substitute arguments in single quotes 2018-01-25 17:20:28 +01:00
configure.ac powerpc: Set minimum kernel version for powerpc64le 2017-02-07 10:49:47 +05:30
dl-cache.h Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
getcontext.S Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
Implies Revert "Use ieee754/dbl-64/wordsize-64 on powerpc64" 2013-01-10 10:44:05 +01:00
jmp_buf-macros.h Add jmp_buf-macros.h 2017-11-09 05:10:03 -08:00
kernel_stat.h Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
ldsodefs.h Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
localplt.data ld.so: Introduce struct dl_exception 2017-08-10 16:54:57 +02:00
makecontext.S Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
setcontext.S Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
shlib-versions Remove shlib-versions entries redundant with DEFAULT entries. 2014-09-26 17:34:22 +00:00
swapcontext.S Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00
sysdep.h Remove PREPARE_VERSION and PREPARE_VERSION_KNOW 2019-09-17 17:09:01 -03:00
timer_create.c PowerPC: Move powerpc64 timer_*.c out of nptl/ 2014-05-26 11:41:46 -05:00
timer_delete.c PowerPC: Move powerpc64 timer_*.c out of nptl/ 2014-05-26 11:41:46 -05:00
timer_getoverr.c PowerPC: Move powerpc64 timer_*.c out of nptl/ 2014-05-26 11:41:46 -05:00
timer_gettime.c PowerPC: Move powerpc64 timer_*.c out of nptl/ 2014-05-26 11:41:46 -05:00
timer_settime.c PowerPC: Move powerpc64 timer_*.c out of nptl/ 2014-05-26 11:41:46 -05:00
ucontext_i.sym PowerPC64 ELFv2 ABI 4/6: Stack frame layout changes 2013-12-04 07:41:39 -06:00
Versions Revert {send,sendm,recv,recvm}msg conformance changes 2016-06-10 11:58:16 -03:00
vfork.S Prefer https to http for gnu.org and fsf.org URLs 2019-09-07 02:43:31 -07:00