| Commit message (Collapse) | Author | Age | Files | Lines |
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This patch consolidates the struct termios definition on its own header
and adds arch-defined ones for ABIs that deviate from generic
implementation. They are:
- alpha which has a slight different layout than generic one (c_cc
field is defined prior c_line).
- sparc and mips which do not have the c_ispeed/c_ospeed fields.
No semantic change is expected, checked on a build against x86_64-linux-gnu,
alpha-linux-gnu, mips64-linux-gnu, and sparc64-linux-gnu.
* sysdeps/unix/sysv/linux/alpha/bits/termios-struct.h: New file.
* sysdeps/unix/sysv/linux/bits/termios-struct.h: Likewise.
* sysdeps/unix/sysv/linux/mips/bits/termios-struct.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/bits/termios-struct.h: Likewise.
* sysdeps/unix/sysv/linux/Makefile (sysdep_headers): Add
termios-struct.h.
* sysdeps/unix/sysv/linux/bits/termios.h (struct termios): Move to
termios-struct.h.
* sysdeps/unix/sysv/linux/alpha/bits/termios.h (struct termios):
Likewise.
* sysdeps/unix/sysv/linux/mips/bits/termios.h (struct termios):
Likewise.
* sysdeps/unix/sysv/linux/powerpc/bits/termios.h (struct termios):
Likewise.
* sysdeps/unix/sysv/linux/sparc/bits/termios.h (struct termios):
Likewise.
* sysdeps/unix/sysv/linux/kernel_termios.h (_HAVE_C_ISPEED,
_HAVE_C_OSPEED): Define.
* sysdeps/unix/sysv/linux/mips/kernel_termios.h (_HAVE_C_ISPEED,
_HAVE_C_OSPEED): Likewise.
* sysdeps/unix/sysv/linux/sparc/kernel_termios.h (_HAVE_C_ISPEED,
_HAVE_C_OSPEED): Likewise.
* sysdeps/unix/sysv/linux/speed.c [_HAVE_STRUCT_TERMIOS_C_OSPEED]
(cfsetospeed): Check for define value instead of existence.
[_HAVE_STRUCT_TERMIOS_C_ISPEED] (cfsetispeed): Likewise.
* sysdeps/unix/sysv/linux/tcgetattr.c [_HAVE_STRUCT_TERMIOS_C_ISPEED
&& _HAVE_C_ISPEED] (__tcgetattr): Likewise.
* sysdeps/unix/sysv/linux/tcsetattr.c [_HAVE_STRUCT_TERMIOS_C_ISPEED
&& _HAVE_C_ISPEED] (__tcsetattr): Likewise.
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* All files with FSF copyright notices: Update copyright dates
using scripts/update-copyrights.
* locale/programs/charmap-kw.h: Regenerated.
* locale/programs/locfile-kw.h: Likewise.
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Alpha rt_sigaction syscall uses a slight different kernel ABI than
generic one:
arch/alpha/kernel/signal.c
90 SYSCALL_DEFINE5(rt_sigaction, int, sig, const struct sigaction __user *, act,
91 struct sigaction __user *, oact,
92 size_t, sigsetsize, void __user *, restorer)
Similar as sparc, the syscall expects a restorer function. However
different than sparc, alpha defines the restorer as the 5th argument
(sparc defines as the 4th).
This patch removes the arch-specific alpha sigaction implementation,
adapt the Linux generic one to different restore placements (through
STUB macro), and make alpha use the Linux generic kernel_sigaction
definition.
Checked on alpha-linux-gnu and x86_64-linux-gnu (for sanity).
* sysdeps/unix/sysv/linux/alpha/Makefile: Update comment about
__syscall_rt_sigaction.
* sysdeps/unix/sysv/linux/alpha/kernel_sigaction.h
(kernel_sigaction): Use Linux generic defintion.
(STUB): Define.
(__syscall_rt_sigreturn, __syscall_sigreturn): Add prototype.
* sysdeps/unix/sysv/linux/alpha/rt_sigaction.S
(__syscall_rt_sigaction): Remove implementation.
(__syscall_sigreturn, __syscall_rt_sigreturn): Define as global and
hidden.
* sysdeps/unix/sysv/linux/alpha/sigaction.c: Remove file.
* sysdeps/unix/sysv/linux/alpha/sysdep.h (INLINE_SYSCALL,
INTERNAL_SYSCALL): Remove definitions.
* sysdeps/unix/sysv/linux/sigaction.c: Define STUB to accept both the
action and signal set size.
* sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c (STUB): Redefine.
* sysdeps/unix/sysv/linux/sparc/sparc64/sigaction.c (STUB): Likewise.
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kernel-features.h has a macro __ASSUME_ST_INO_64_BIT, with a comment
"However, SH is lame, and still does not have a 64-bit inode field.".
The macro is, in fact, defined to 0 by Alpha as well as SH. The Alpha
case is, however, trivially useless: none of the files that test
__ASSUME_ST_INO_64_BIT are built for Alpha (which gained kernel
support for stat64 syscalls, with a 64-bit st_ino field, in Linux
2.6.4; the define to 0 for Alpha in glibc predates that).
The SH kernel gained support for a 64-bit st_ino in struct stat64 in
commit 760bcb1deec13c50e20399c84cb6a8ea41cc2820 ("sh: Fix fstatat64()
syscall."), which is in Linux 2.6.22 and later. So the redefinition
of __ASSUME_ST_INO_64_BIT to 0 is of no use for SH either; three of
the files testing it do so immediately after a stat64-family syscall
has been used, which will always have set the 64-bit st_ino correctly
(in addition to the 32-bit __st_ino), while the relevant code
__xstat32_conv executes only after such a syscall in the function
calling __xstat32_conv.
Thus this patch removes __ASSUME_ST_INO_64_BIT and code testing it.
Removing the useless [!__ASSUME_ST_INO_64_BIT] code in __xstat32_conv
renders the [_HAVE_STAT64___ST_INO] and [!_HAVE_STAT64___ST_INO] cases
around it identical, so that conditional is also removed.
Tested compilation with build-many-glibcs.py for its Alpha and SH
configurations; also ran the glibc testsuite for x86_64 and x86.
* sysdeps/unix/sysv/linux/kernel-features.h
(__ASSUME_ST_INO_64_BIT): Remove macro definition.
* sysdeps/unix/sysv/linux/alpha/kernel-features.h
(__ASSUME_ST_INO_64_BIT): Do not undefine and define.
* sysdeps/unix/sysv/linux/sh/kernel-features.h
(__ASSUME_ST_INO_64_BIT): Likewise.
* sysdeps/unix/sysv/linux/fxstat64.c: Do not include
<kernel-features.h>.
(___fxstat64) [_HAVE_STAT64___ST_INO && !__ASSUME_ST_INO_64_BIT]:
Remove conditional code.
* sysdeps/unix/sysv/linux/lxstat64.c: Do not include
<kernel-features.h>.
(___lxstat64) [_HAVE_STAT64___ST_INO && !__ASSUME_ST_INO_64_BIT]:
Remove conditional code.
* sysdeps/unix/sysv/linux/xstat64.c: Do not include
<kernel-features.h>.
(___xstat64) [_HAVE_STAT64___ST_INO && !__ASSUME_ST_INO_64_BIT]:
Remove conditional code.
* sysdeps/unix/sysv/linux/xstatconv.c: Do not include
<kernel-features.h>.
(__xstat32_conv) [_HAVE_STAT64___ST_INO]: Remove conditional code.
[!_HAVE_STAT64___ST_INO]: Make code unconditional.
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Add
#include <sched.h>
int getcpu (unsigned int *cpu, unsigned int *node);
to return currently used CPU and NUMA node.
Tested on x86-64, x32 and i686 as well as with build-many-glibcs.py.
* NEWS: Mention getcpu.
* include/sched.h (__getcpu): New libc_hidden_proto.
* manual/resource.texi: Document getcpu.
* sysdeps/unix/sysv/linux/Makefile (sysdep_routines): Add getcpu.
* sysdeps/unix/sysv/linux/Versions (GLIBC_2.29): Add getcpu.
* sysdeps/unix/sysv/linux/aarch64/libc.abilist: Add getcpu.
* sysdeps/unix/sysv/linux/alpha/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/arm/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/hppa/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/i386/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/ia64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/microblaze/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist:
Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/nios2/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist:
Likewise.
* sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sh/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/bits/sched.h (getcpu): New prototype.
* sysdeps/unix/sysv/linux/getcpu.c: New file.
* sysdeps/unix/sysv/linux/tst-skeleton-affinity.c (test_size):
Also check getcpu.
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Along with posix_spawn_file_actions_addchdir,
posix_spawn_file_actions_addfchdir is the subject of a change proposal
for POSIX: <http://austingroupbugs.net/view.php?id=1208>
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Introduce new pow symbol version that doesn't do SVID compatible error
handling. The standard errno and fp exception based error handling is
inline in the new code and does not have significant overhead.
The wrapper is disabled for sysdeps/ieee754/dbl-64 by using empty
w_pow.c and enabled for targets with their own pow implementation or
ifunc dispatch on __ieee754_pow by including math/w_pow.c.
The compatibility symbol version still uses the wrapper with SVID error
handling around the new code. There is no new symbol version nor
compatibility code on !LIBM_SVID_COMPAT targets (e.g. riscv).
On targets where previously powl was an alias of pow, now it points to
the compatibility symbol with the wrapper, because it still need the
SVID compatible error handling. This affects NO_LONG_DOUBLE (e.g. arm)
and LONG_DOUBLE_COMPAT (e.g. alpha) targets as well.
The __pow_finite symbol is now an alias of pow. Both __pow_finite and
pow set errno and thus not const functions.
The ia64 asm is changed so the compat and new symbol versions map to the
same address.
On x86_64 #include <math.h> was added before macro definitions that
may affect that header.
Tested with build-many-glibcs.py.
* math/Versions (GLIBC_2.29): Add pow.
* math/w_pow_compat.c (__pow_compat): Change to versioned compat
symbol.
* math/w_pow.c: New file.
* sysdeps/i386/fpu/w_pow.c: New file.
* sysdeps/ia64/fpu/e_pow.S: Add versioned symbols.
* sysdeps/ieee754/dbl-64/e_pow.c (__ieee754_pow): Rename to __pow
and add necessary aliases.
* sysdeps/ieee754/dbl-64/w_pow.c: New file.
* sysdeps/m68k/m680x0/fpu/w_pow.c: New file.
* sysdeps/mach/hurd/i386/libm.abilist: Update.
* sysdeps/unix/sysv/linux/aarch64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/alpha/libm.abilist: Update.
* sysdeps/unix/sysv/linux/arm/libm.abilist: Update.
* sysdeps/unix/sysv/linux/hppa/libm.abilist: Update.
* sysdeps/unix/sysv/linux/i386/libm.abilist: Update.
* sysdeps/unix/sysv/linux/ia64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist: Update.
* sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist: Update.
* sysdeps/unix/sysv/linux/microblaze/libm.abilist: Update.
* sysdeps/unix/sysv/linux/mips/mips32/libm.abilist: Update.
* sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/nios2/libm.abilist: Update.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist: Update.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist: Update.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist: Update.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Update.
* sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/sh/libm.abilist: Update.
* sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Update.
* sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Update.
* sysdeps/x86_64/fpu/multiarch/e_pow-fma.c (__ieee754_pow): Rename to
__pow.
* sysdeps/x86_64/fpu/multiarch/e_pow-fma4.c (__ieee754_pow): Likewise.
* sysdeps/x86_64/fpu/multiarch/e_pow.c (__ieee754_pow): Likewise.
* sysdeps/x86_64/fpu/multiarch/w_pow.c: New file.
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Introduce new log2 symbol version that doesn't do SVID compatible error
handling. The standard errno and fp exception based error handling is
inline in the new code and does not have significant overhead.
The wrapper is disabled for sysdeps/ieee754/dbl-64 by using empty
w_log2.c and enabled for targets with their own log2 implementation by
including math/w_log2.c.
The compatibility symbol version still uses the wrapper with SVID error
handling around the new code. There is no new symbol version nor
compatibility code on !LIBM_SVID_COMPAT targets (e.g. riscv).
On targets where previously log2l was an alias of log2, now it points to
the compatibility symbol with the wrapper, because it still need the
SVID compatible error handling. This affects NO_LONG_DOUBLE (e.g. arm)
and LONG_DOUBLE_COMPAT (e.g. alpha) targets as well.
The __log2_finite symbol is now an alias of log2. Both __log2_finite
and log2 set errno and thus not const functions.
The ia64 asm is changed so the compat and new symbol versions map to the
same address.
Tested with build-many-glibcs.py.
* math/Versions (GLIBC_2.29): Add log2.
* math/w_log2_compat.c (__log2_compat): Change to versioned compat
symbol.
* math/w_log2.c: New file.
* sysdeps/i386/fpu/w_log2.c: New file.
* sysdeps/ia64/fpu/e_log2.S: Add versioned symbols.
* sysdeps/ieee754/dbl-64/e_log2.c (__ieee754_log2): Rename to __log2
and add necessary aliases.
* sysdeps/ieee754/dbl-64/w_log2.c: New file.
* sysdeps/m68k/m680x0/fpu/w_log2.c: New file.
* sysdeps/mach/hurd/i386/libm.abilist: Update.
* sysdeps/unix/sysv/linux/aarch64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/alpha/libm.abilist: Update.
* sysdeps/unix/sysv/linux/arm/libm.abilist: Update.
* sysdeps/unix/sysv/linux/hppa/libm.abilist: Update.
* sysdeps/unix/sysv/linux/i386/libm.abilist: Update.
* sysdeps/unix/sysv/linux/ia64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist: Update.
* sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist: Update.
* sysdeps/unix/sysv/linux/microblaze/libm.abilist: Update.
* sysdeps/unix/sysv/linux/mips/mips32/libm.abilist: Update.
* sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/nios2/libm.abilist: Update.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist: Update.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist: Update.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist: Update.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Update.
* sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/sh/libm.abilist: Update.
* sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Update.
* sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Update.
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Introduce new log symbol version that doesn't do SVID compatible error
handling. The standard errno and fp exception based error handling is
inline in the new code and does not have significant overhead.
The wrapper is disabled for sysdeps/ieee754/dbl-64 by using empty
w_log.c and enabled for targets with their own log implementation by
including math/w_log.c.
The compatibility symbol version still uses the wrapper with SVID error
handling around the new code. There is no new symbol version nor
compatibility code on !LIBM_SVID_COMPAT targets (e.g. riscv).
On targets where previously logl was an alias of log, now it points to
the compatibility symbol with the wrapper, because it still need the
SVID compatible error handling. This affects NO_LONG_DOUBLE (e.g. arm)
and LONG_DOUBLE_COMPAT (e.g. alpha) targets as well.
The __log_finite symbol is now an alias of log. Both __log_finite and
log set errno and thus not const functions.
The ia64 asm is changed so the compat and new symbol versions map to the
same address.
On x86_64 #include <math.h> was added before macro definitions that may
affect that header.
Tested with build-many-glibcs.py.
* math/Versions (GLIBC_2.29): Add log.
* math/w_log_compat.c (__log_compat): Change to versioned compat
symbol.
* math/w_log.c: New file.
* sysdeps/i386/fpu/w_log.c: New file.
* sysdeps/ia64/fpu/e_log.S: Update.
* sysdeps/ieee754/dbl-64/e_log.c (__ieee754_log): Rename to __log
and add necessary aliases.
* sysdeps/ieee754/dbl-64/w_log.c: New file.
* sysdeps/m68k/m680x0/fpu/w_log.c: New file.
* sysdeps/mach/hurd/i386/libm.abilist: Update.
* sysdeps/unix/sysv/linux/aarch64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/alpha/libm.abilist: Update.
* sysdeps/unix/sysv/linux/arm/libm.abilist: Update.
* sysdeps/unix/sysv/linux/hppa/libm.abilist: Update.
* sysdeps/unix/sysv/linux/i386/libm.abilist: Update.
* sysdeps/unix/sysv/linux/ia64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist: Update.
* sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist: Update.
* sysdeps/unix/sysv/linux/microblaze/libm.abilist: Update.
* sysdeps/unix/sysv/linux/mips/mips32/libm.abilist: Update.
* sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/nios2/libm.abilist: Update.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist: Update.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist: Update.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist: Update.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Update.
* sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/sh/libm.abilist: Update.
* sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Update.
* sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Update.
* sysdeps/x86_64/fpu/multiarch/e_log-avx.c (__ieee754_log): Rename to
__log.
* sysdeps/x86_64/fpu/multiarch/e_log-fma.c (__ieee754_log): Likewise.
* sysdeps/x86_64/fpu/multiarch/e_log-fma4.c (__ieee754_log): Likewise.
* sysdeps/x86_64/fpu/multiarch/e_log.c (__ieee754_log): Likewise.
* sysdeps/x86_64/fpu/multiarch/w_log.c: New file.
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Introduce new exp and exp2 symbol version that don't do SVID compatible
error handling. The standard errno and fp exception based error handling
is inline in the new code and does not have significant overhead.
The double precision wrappers are disabled for sysdeps/ieee754/dbl-64
by using empty w_exp.c and w_exp2.c files, the math/w_exp.c and
math/w_exp2.c files use the wrapper template and can be included by
targets that have their own exp and exp2 implementations or use ifunc
on the glibc internal __ieee754_exp symbol.
The compatibility symbol versions still use the wrapper with SVID error
handling around the new code. There is no new symbol version nor
compatibility code on !LIBM_SVID_COMPAT targets (e.g. riscv).
On targets where previously expl and exp2l were aliases of exp and exp2,
now they point to the compatibility symbols with the wrapper, because
they still need the SVID compatible error handling. This affects
NO_LONG_DOUBLE (e.g arm) and LONG_DOUBLE_COMPAT (e.g. alpha) targets
as well.
The _finite symbols are now aliases of the standard symbols (they have
no performance advantage anymore). Both the standard symbols and
_finite symbols set errno and thus not const functions.
The ia64 asm is changed so the compat and new symbol versions map to the
same address.
On x86_64 #include <math.h> was added before macro definitions that may
affect that header (the new macro name is __exp instead of __ieee754_exp
which breaks some math.h macros).
Tested with build-many-glibcs.py.
* math/Versions (GLIBC_2.29): Add exp and exp2.
* math/w_exp2_compat.c (__exp2_compat): Change to versioned compat
symbol, handle NO_LONG_DOUBLE and LONG_DOUBLE_COMPAT explicitly.
* math/w_exp_compat.c (__exp_compat): Likewise.
* math/w_exp.c: New file.
* math/w_exp2.c: New file.
* sysdeps/i386/fpu/w_exp.c: New file.
* sysdeps/i386/fpu/w_exp2.c: New file.
* sysdeps/ia64/fpu/e_exp.S: Add versioned symbols.
* sysdeps/ia64/fpu/e_exp2.S: Likewise.
* sysdeps/ieee754/dbl-64/e_exp.c (__ieee754_exp): Rename to __exp
and add necessary aliases.
* sysdeps/ieee754/dbl-64/e_exp2.c (__ieee754_exp2): Rename to __exp2
and add necessary aliases.
* sysdeps/ieee754/dbl-64/w_exp.c: New file.
* sysdeps/ieee754/dbl-64/w_exp2.c: New file.
* sysdeps/m68k/m680x0/fpu/w_exp.c: New file.
* sysdeps/m68k/m680x0/fpu/w_exp2.c: New file.
* sysdeps/mach/hurd/i386/libm.abilist: Update.
* sysdeps/unix/sysv/linux/aarch64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/alpha/libm.abilist: Update.
* sysdeps/unix/sysv/linux/arm/libm.abilist: Update.
* sysdeps/unix/sysv/linux/hppa/libm.abilist: Update.
* sysdeps/unix/sysv/linux/i386/libm.abilist: Update.
* sysdeps/unix/sysv/linux/ia64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist: Update.
* sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist: Update.
* sysdeps/unix/sysv/linux/microblaze/libm.abilist: Update.
* sysdeps/unix/sysv/linux/mips/mips32/libm.abilist: Update.
* sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/nios2/libm.abilist: Update.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist: Update.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist: Update.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist: Update.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Update.
* sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/sh/libm.abilist: Update.
* sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Update.
* sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Update.
* sysdeps/x86_64/fpu/multiarch/e_exp-avx.c (__exp1): Remove.
(__ieee754_exp): Rename to __exp.
* sysdeps/x86_64/fpu/multiarch/e_exp-fma.c (__exp1): Remove.
(__ieee754_exp): Rename to __exp.
* sysdeps/x86_64/fpu/multiarch/e_exp-fma4.c (__exp1): Remove.
(__ieee754_exp): Rename to __exp.
* sysdeps/x86_64/fpu/multiarch/e_exp.c (__ieee754_exp): Rename to
__exp.
* sysdeps/x86_64/fpu/multiarch/w_exp.c: New file.
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sysdeps/unix/sysv/linux/bits/shm.h has padding after time fields in
struct shmid_ds unconditionally, and thus is only suitable for 32-bit
architectures (no 64-bit configurations use this file);
sysdeps/unix/sysv/linux/generic/bits/shm.h is substantively the same,
except that the padding is conditioned on __WORDSIZE == 32, and so it
can be used for 64-bit architectures as well.
This patch adds the conditionals to
sysdeps/unix/sysv/linux/bits/shm.h. The linux/generic/ version is
then no longer needed and so is removed, as are the alpha and s390
versions which are also no longer needed. The other
architecture-specific versions have different padding, layout, types
or SHMLBA definitions and so are still needed after this change.
This is essentially the same change for bits/shm.h as the bits/msq.h
patch and the bits/sem.h patch. However, the details of the padding
variations for the architectures that aren't changed are not all the
same between msqid_ds, shmid_ds and semid_ds.
Tested with build-many-glibcs.py.
* sysdeps/unix/sysv/linux/bits/shm.h: Include <bits/wordsize.h>.
(struct shmid_ds): Condition padding after time fields on
[__WORDSIZE == 32].
* sysdeps/unix/sysv/linux/alpha/bits/shm.h: Remove file.
* sysdeps/unix/sysv/linux/generic/bits/shm.h: Likewise.
* sysdeps/unix/sysv/linux/s390/bits/shm.h: Likewise.
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sysdeps/unix/sysv/linux/bits/sem.h has padding after time fields in
struct semid_ds unconditionally, and thus is only suitable for 32-bit
architectures (no 64-bit configurations use this file);
sysdeps/unix/sysv/linux/generic/bits/sem.h is substantively the same,
except that the padding is conditioned on __WORDSIZE == 32, and so it
can be used for 64-bit architectures as well.
This patch adds the conditionals to
sysdeps/unix/sysv/linux/bits/sem.h. The linux/generic/ version is
then no longer needed and so is removed, as are the alpha, ia64 and
s390 versions which are also no longer needed. The other
architecture-specific versions have different padding or types and so
are still needed after this change.
This is essentially the same change for bits/sem.h as the bits/msq.h
patch. However, the details of the padding variations for the
architectures that aren't changed are not all the same between
msqid_ds and semid_ds.
Tested with build-many-glibcs.py.
* sysdeps/unix/sysv/linux/bits/sem.h: Include <bits/wordsize.h>.
(struct semid_ds): Condition padding after time fields on
[__WORDSIZE == 32].
* sysdeps/unix/sysv/linux/alpha/bits/sem.h: Remove file.
* sysdeps/unix/sysv/linux/generic/bits/sem.h: Likewise.
* sysdeps/unix/sysv/linux/ia64/bits/sem.h: Likewise.
* sysdeps/unix/sysv/linux/s390/bits/sem.h: Likewise.
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sysdeps/unix/sysv/linux/bits/msq.h has padding after time fields in
struct msqid_ds unconditionally, and thus is only suitable for 32-bit
architectures (no 64-bit configurations use this file);
sysdeps/unix/sysv/linux/generic/bits/msq.h is substantively the same,
except that the padding is conditioned on __WORDSIZE == 32, and so it
can be used for 64-bit architectures as well.
This patch adds the conditionals to
sysdeps/unix/sysv/linux/bits/msq.h. The linux/generic/ version is
then no longer needed and so is removed, as are the alpha, ia64 and
s390 versions which are also no longer needed. The other
architecture-specific versions have different padding or types and so
are still needed after this change.
Tested with build-many-glibcs.py.
* sysdeps/unix/sysv/linux/bits/msq.h: Include <bits/wordsize.h>.
(struct msqid_ds): Condition padding after time fields on
[__WORDSIZE == 32].
* sysdeps/unix/sysv/linux/alpha/bits/msq.h: Remove file.
* sysdeps/unix/sysv/linux/generic/bits/msq.h: Likewise.
* sysdeps/unix/sysv/linux/ia64/bits/msq.h: Likewise.
* sysdeps/unix/sysv/linux/s390/bits/msq.h: Likewise.
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This patch completes the process of unifying sys/procfs.h headers for
architectures using the Linux kernel by making alpha use the generic
version.
That was previously deferred because alpha has different definitions
of prgregset_t and prfpregset_t from other architectures, so changing
to the common definitions would change C++ name mangling. To avoid
such a change, a header bits/procfs-prregset.h is added, and alpha
gets its own version of that header.
Tested for x86_64 and x86, and with build-many-glibcs.py.
* sysdeps/unix/sysv/linux/sys/procfs.h: Include
<bits/procfs-prregset.h>.
(prgregset_t): Define using __prgregset_t.
(prfpregset_t): Define using __prfpregset_t.
* sysdeps/unix/sysv/linux/Makefile [$(subdir) = misc]
(sysdep_headers): Add bits/procfs-prregset.h.
* sysdeps/unix/sysv/linux/bits/procfs-prregset.h: New file.
* sysdeps/unix/sysv/linux/alpha/bits/procfs-prregset.h: Likewise.
* sysdeps/unix/sysv/linux/alpha/bits/procfs.h: Likewise.
* sysdeps/unix/sysv/linux/alpha/sys/procfs.h: Remove file.
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This patch adds the required abilist symbols for C11 thread support.
Checked with a build for all major ABI (aarch64-linux-gnu, alpha-linux-gnu,
arm-linux-gnueabi, i386-linux-gnu, ia64-linux-gnu, m68k-linux-gnu,
microblaze-linux-gnu [1], mips{64}-linux-gnu, nios2-linux-gnu,
powerpc{64le}-linux-gnu, s390{x}-linux-gnu, sparc{64}-linux-gnu,
and x86_64-linux-gnu).
Also ran a full check on aarch64-linux-gnu, x86_64-linux-gnu, i686-linux-gnu,
arm-linux-gnueabhf, and powerpc64le-linux-gnu.
[BZ #14092]
* sysdeps/unix/sysv/linux/aarch64/libc.abilist [GLIBC_2.28]
(thrd_current, thrd_equal, thrd_sleep, thrd_yield): Add C11 thread
symbols.
* sysdeps/unix/sysv/linux/alpha/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/arm/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/hppa/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/i386/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/ia64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/microblaze/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/nios2/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sh/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/aarch64/libpthread.abilist [[GLIBC_2.28]
(call_once, cnd_broadcast, cnd_destroy, cnd_init, cnd_signal,
cnd_timedwait, cnd_wait, mtx_destroy, mtx_init, mtx_lock,
mtx_timedlock, mtx_trylock, mtx_unlokc, thrd_create, thrd_detach,
thrd_exit, thrd_join, tss_create, tss_delete, tss_get, tss_set):
Likewise.
* sysdeps/unix/sysv/linux/aarch64/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/alpha/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/arm/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/hppa/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/i386/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/ia64/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/coldfire/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/m680x0/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/microblaze/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/nios2/libpthread.abilist: Likewise.
ikewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/libpthread.abilist:
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libpthread-le.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libpthread.abilist:
Likewise.
* sysdeps/unix/sysv/linux/riscv/rv64/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/sh/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/64/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/libpthread.abilist: Likewise.
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The implementation falls back to renameat if renameat2 is not available
in the kernel (or in the kernel headers) and the flags argument is zero.
Without kernel support, a non-zero argument returns EINVAL, not ENOSYS.
This mirrors what the kernel does for invalid renameat2 flags.
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This patch fixes the OFD ("file private") locks for architectures that
support non-LFS flock definition (__USE_FILE_OFFSET64 not defined). The
issue in this case is both F_OFD_{GETLK,SETLK,SETLKW} and
F_{SET,GET}L{W}K64 expects a flock64 argument and when using old
F_OFD_* flags with a non LFS flock argument the kernel might interpret
the underlying data wrongly. Kernel idea originally was to avoid using
such flags in non-LFS syscall, but since GLIBC uses fcntl with LFS
semantic as default it is possible to provide the functionality and
avoid the bogus struct kernel passing by adjusting the struct manually
for the required flags.
The idea follows other LFS interfaces that provide two symbols:
1. A new LFS fcntl64 is added on default ABI with the usual macros to
select it for FILE_OFFSET_BITS=64.
2. The Linux non-LFS fcntl use a stack allocated struct flock64 for
F_OFD_{GETLK,SETLK,SETLKW} copy the results on the user provided
struct.
3. Keep a compat symbol with old broken semantic for architectures
that do not define __OFF_T_MATCHES_OFF64_T.
So for architectures which defines __USE_FILE_OFFSET64, fcntl64 will
aliased to fcntl and no adjustment would be required. So to actually
use F_OFD_* with LFS support the source must be built with LFS support
(_FILE_OFFSET_BITS=64).
Also F_OFD_SETLKW command is handled a cancellation point, as for
F_SETLKW{64}.
Checked on x86_64-linux-gnu and i686-linux-gnu.
[BZ #20251]
* NEWS: Mention fcntl64 addition.
* csu/check_fds.c: Replace __fcntl_nocancel by __fcntl64_nocancel.
* login/utmp_file.c: Likewise.
* sysdeps/posix/fdopendir.c: Likewise.
* sysdeps/posix/opendir.c: Likewise.
* sysdeps/unix/pt-fcntl.c: Likewise.
* include/fcntl.h (__libc_fcntl64, __fcntl64,
__fcntl64_nocancel_adjusted): New prototype.
(__fcntl_nocancel_adjusted): Remove prototype.
* io/Makefile (routines): Add fcntl64.
(CFLAGS-fcntl64.c): New rule.
* io/Versions [GLIBC_2.28] (fcntl64): New symbol.
[GLIBC_PRIVATE] (__libc_fcntl): Rename to __libc_fcntl64.
* io/fcntl.h (fcntl64): Add prototype and redirect if
__USE_FILE_OFFSET64 is defined.
* io/fcntl64.c: New file.
* manual/llio.text: Add a note for which commands fcntl acts a
cancellation point.
* nptl/Makefile (CFLAGS-fcntl64.c): New rule.
* sysdeps/mach/hurd/fcntl.c: Alias fcntl to fcntl64 symbols.
* sysdeps/mach/hurd/i386/libc.abilist [GLIBC_2.28] (fcntl, fcntl64):
New symbols.
* sysdeps/unix/sysv/linux/fcntl.c (__libc_fcntl): Fix F_GETLK64,
F_OFD_GETLK, F_SETLK64, F_SETLKW64, F_OFD_SETLK, and F_OFD_SETLKW for
non-LFS case.
* sysdeps/unix/sysv/linux/fcntl64.c: New file.
* sysdeps/unix/sysv/linux/fcntl_nocancel.c (__fcntl_nocancel): Rename
to __fcntl64_nocancel.
(__fcntl_nocancel_adjusted): Rename to __fcntl64_nocancel_adjusted.
* sysdeps/unix/sysv/linux/not-cancel.h (__fcntl_nocancel): Rename
to __fcntl64_nocancel.
* sysdeps/unix/sysv/linux/tst-ofdlocks.c: New file.
* sysdeps/unix/sysv/linux/tst-ofdlocks-compat.c: Likewise.
* sysdeps/unix/sysv/linux/Makefile (tests): Add tst-ofdlocks.
(tests-internal): Add tst-ofdlocks-compat.
* sysdeps/unix/sysv/linux/aarch64/libc.abilist [GLIBC_2.28]
(fcntl64): New symbol.
* sysdeps/unix/sysv/linux/alpha/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/ia64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist: Likewise.
* sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/arm/libc.abilist [GLIBC_2.28] (fcntl,
fcntl64): Likewise.
* sysdeps/unix/sysv/linux/hppa/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/i386/libc.abilis: Likewise.
* sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/microblaze/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/nios2/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist:
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sh/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist: Likewise.
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Linux 4.17 adds a SHM_STAT_ANY constant (ipcs command). This patch
adds it to the relevant bits/shm.h headers.
Tested for x86_64.
* sysdeps/unix/sysv/linux/alpha/bits/shm.h [__USE_MISC]
(SHM_STAT_ANY): New macro.
* sysdeps/unix/sysv/linux/arm/bits/shm.h [__USE_MISC]
(SHM_STAT_ANY): Likewise.
* sysdeps/unix/sysv/linux/bits/shm.h [__USE_MISC]
(SHM_STAT_ANY): Likewise.
* sysdeps/unix/sysv/linux/generic/bits/shm.h [__USE_MISC]
(SHM_STAT_ANY): Likewise.
* sysdeps/unix/sysv/linux/hppa/bits/shm.h [__USE_MISC]
(SHM_STAT_ANY): Likewise.
* sysdeps/unix/sysv/linux/ia64/bits/shm.h [__USE_MISC]
(SHM_STAT_ANY): Likewise.
* sysdeps/unix/sysv/linux/mips/bits/shm.h [__USE_MISC]
(SHM_STAT_ANY): Likewise.
* sysdeps/unix/sysv/linux/powerpc/bits/shm.h [__USE_MISC]
(SHM_STAT_ANY): Likewise.
* sysdeps/unix/sysv/linux/s390/bits/shm.h [__USE_MISC]
(SHM_STAT_ANY): Likewise.
* sysdeps/unix/sysv/linux/sh/bits/shm.h [__USE_MISC]
(SHM_STAT_ANY): Likewise.
* sysdeps/unix/sysv/linux/sparc/bits/shm.h [__USE_MISC]
(SHM_STAT_ANY): Likewise.
* sysdeps/unix/sysv/linux/x86/bits/shm.h [__USE_MISC]
(SHM_STAT_ANY): Likewise.
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Linux 4.17 adds a SEM_STAT_ANY constant (ipcs command). This patch
adds it to the relevant bits/sem.h headers.
Tested for x86_64.
* sysdeps/unix/sysv/linux/alpha/bits/sem.h [__USE_MISC]
(SEM_STAT_ANY): New macro.
* sysdeps/unix/sysv/linux/bits/sem.h [__USE_MISC]
(SEM_STAT_ANY): Likewise.
* sysdeps/unix/sysv/linux/generic/bits/sem.h [__USE_MISC]
(SEM_STAT_ANY): Likewise.
* sysdeps/unix/sysv/linux/hppa/bits/sem.h [__USE_MISC]
(SEM_STAT_ANY): Likewise.
* sysdeps/unix/sysv/linux/ia64/bits/sem.h [__USE_MISC]
(SEM_STAT_ANY): Likewise.
* sysdeps/unix/sysv/linux/mips/bits/sem.h [__USE_MISC]
(SEM_STAT_ANY): Likewise.
* sysdeps/unix/sysv/linux/powerpc/bits/sem.h [__USE_MISC]
(SEM_STAT_ANY): Likewise.
* sysdeps/unix/sysv/linux/s390/bits/sem.h [__USE_MISC]
(SEM_STAT_ANY): Likewise.
* sysdeps/unix/sysv/linux/sparc/bits/sem.h [__USE_MISC]
(SEM_STAT_ANY): Likewise.
* sysdeps/unix/sysv/linux/x86/bits/sem.h [__USE_MISC]
(SEM_STAT_ANY): Likewise.
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Linux 4.17 adds a MSG_STAT_ANY constant (ipcs command). This patch
adds it to the relevant bits/msq.h headers.
Tested for x86_64.
* sysdeps/unix/sysv/linux/alpha/bits/msq.h [__USE_MISC]
(MSG_STAT_ANY): New macro.
* sysdeps/unix/sysv/linux/bits/msq.h [__USE_MISC]
(MSG_STAT_ANY): Likewise.
* sysdeps/unix/sysv/linux/generic/bits/msq.h [__USE_MISC]
(MSG_STAT_ANY): Likewise.
* sysdeps/unix/sysv/linux/hppa/bits/msq.h [__USE_MISC]
(MSG_STAT_ANY): Likewise.
* sysdeps/unix/sysv/linux/ia64/bits/msq.h [__USE_MISC]
(MSG_STAT_ANY): Likewise.
* sysdeps/unix/sysv/linux/mips/bits/msq.h [__USE_MISC]
(MSG_STAT_ANY): Likewise.
* sysdeps/unix/sysv/linux/powerpc/bits/msq.h [__USE_MISC]
(MSG_STAT_ANY): Likewise.
* sysdeps/unix/sysv/linux/s390/bits/msq.h [__USE_MISC]
(MSG_STAT_ANY): Likewise.
* sysdeps/unix/sysv/linux/sparc/bits/msq.h [__USE_MISC]
(MSG_STAT_ANY): Likewise.
* sysdeps/unix/sysv/linux/x86/bits/msq.h [__USE_MISC]
(MSG_STAT_ANY): Likewise.
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Linux 4.17 adds MAP_FIXED_NOREPLACE (value 0x100000 on most
architectures, 0x200000 on alpha). This patch adds that macro to
glibc's bits/mman.h headers.
Tested for x86_64.
* sysdeps/unix/sysv/linux/aarch64/bits/mman.h [__USE_MISC]
(MAP_FIXED_NOREPLACE): New macro.
* sysdeps/unix/sysv/linux/alpha/bits/mman.h [__USE_MISC]
(MAP_FIXED_NOREPLACE): Likewise.
* sysdeps/unix/sysv/linux/arm/bits/mman.h [__USE_MISC]
(MAP_FIXED_NOREPLACE): Likewise.
* sysdeps/unix/sysv/linux/hppa/bits/mman.h [__USE_MISC]
(MAP_FIXED_NOREPLACE): Likewise.
* sysdeps/unix/sysv/linux/ia64/bits/mman.h [__USE_MISC]
(MAP_FIXED_NOREPLACE): Likewise.
* sysdeps/unix/sysv/linux/m68k/bits/mman.h [__USE_MISC]
(MAP_FIXED_NOREPLACE): Likewise.
* sysdeps/unix/sysv/linux/microblaze/bits/mman.h [__USE_MISC]
(MAP_FIXED_NOREPLACE): Likewise.
* sysdeps/unix/sysv/linux/mips/bits/mman.h [__USE_MISC]
(MAP_FIXED_NOREPLACE): Likewise.
* sysdeps/unix/sysv/linux/nios2/bits/mman.h [__USE_MISC]
(MAP_FIXED_NOREPLACE): Likewise.
* sysdeps/unix/sysv/linux/powerpc/bits/mman.h [__USE_MISC]
(MAP_FIXED_NOREPLACE): Likewise.
* sysdeps/unix/sysv/linux/riscv/bits/mman.h [__USE_MISC]
(MAP_FIXED_NOREPLACE): Likewise.
* sysdeps/unix/sysv/linux/s390/bits/mman.h [__USE_MISC]
(MAP_FIXED_NOREPLACE): Likewise.
* sysdeps/unix/sysv/linux/sh/bits/mman.h [__USE_MISC]
(MAP_FIXED_NOREPLACE): Likewise.
* sysdeps/unix/sysv/linux/sparc/bits/mman.h [__USE_MISC]
(MAP_FIXED_NOREPLACE): Likewise.
* sysdeps/unix/sysv/linux/x86/bits/mman.h [__USE_MISC]
(MAP_FIXED_NOREPLACE): Likewise.
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This patch adds the narrowing divide functions from TS 18661-1 to
glibc's libm: fdiv, fdivl, ddivl, f32divf64, f32divf32x, f32xdivf64
for all configurations; f32divf64x, f32divf128, f64divf64x,
f64divf128, f32xdivf64x, f32xdivf128, f64xdivf128 for configurations
with _Float64x and _Float128; __nldbl_ddivl for ldbl-opt.
The changes are mostly essentially the same as for the other narrowing
functions, so the description of those generally applies to this patch
as well.
Tested for x86_64, x86, mips64 (all three ABIs, both hard and soft
float) and powerpc, and with build-many-glibcs.py.
* math/Makefile (libm-narrow-fns): Add div.
(libm-test-funcs-narrow): Likewise.
* math/Versions (GLIBC_2.28): Add narrowing divide functions.
* math/bits/mathcalls-narrow.h (div): Use __MATHCALL_NARROW.
* math/gen-auto-libm-tests.c (test_functions): Add div.
* math/math-narrow.h (CHECK_NARROW_DIV): New macro.
(NARROW_DIV_ROUND_TO_ODD): Likewise.
(NARROW_DIV_TRIVIAL): Likewise.
* sysdeps/ieee754/float128/float128_private.h (__fdivl): New
macro.
(__ddivl): Likewise.
* sysdeps/ieee754/ldbl-opt/Makefile (libnldbl-calls): Add fdiv and
ddiv.
(CFLAGS-nldbl-ddiv.c): New variable.
(CFLAGS-nldbl-fdiv.c): Likewise.
* sysdeps/ieee754/ldbl-opt/Versions (GLIBC_2.28): Add
__nldbl_ddivl.
* sysdeps/ieee754/ldbl-opt/nldbl-compat.h (__nldbl_ddivl): New
prototype.
* manual/arith.texi (Misc FP Arithmetic): Document fdiv, fdivl,
ddivl, fMdivfN, fMdivfNx, fMxdivfN and fMxdivfNx.
* math/auto-libm-test-in: Add tests of div.
* math/auto-libm-test-out-narrow-div: New generated file.
* math/libm-test-narrow-div.inc: New file.
* sysdeps/i386/fpu/s_f32xdivf64.c: Likewise.
* sysdeps/ieee754/dbl-64/s_f32xdivf64.c: Likewise.
* sysdeps/ieee754/dbl-64/s_fdiv.c: Likewise.
* sysdeps/ieee754/float128/s_f32divf128.c: Likewise.
* sysdeps/ieee754/float128/s_f64divf128.c: Likewise.
* sysdeps/ieee754/float128/s_f64xdivf128.c: Likewise.
* sysdeps/ieee754/ldbl-128/s_ddivl.c: Likewise.
* sysdeps/ieee754/ldbl-128/s_f64xdivf128.c: Likewise.
* sysdeps/ieee754/ldbl-128/s_fdivl.c: Likewise.
* sysdeps/ieee754/ldbl-128ibm/s_ddivl.c: Likewise.
* sysdeps/ieee754/ldbl-128ibm/s_fdivl.c: Likewise.
* sysdeps/ieee754/ldbl-96/s_ddivl.c: Likewise.
* sysdeps/ieee754/ldbl-96/s_fdivl.c: Likewise.
* sysdeps/ieee754/ldbl-opt/nldbl-ddiv.c: Likewise.
* sysdeps/ieee754/ldbl-opt/nldbl-fdiv.c: Likewise.
* sysdeps/ieee754/soft-fp/s_ddivl.c: Likewise.
* sysdeps/ieee754/soft-fp/s_fdiv.c: Likewise.
* sysdeps/ieee754/soft-fp/s_fdivl.c: Likewise.
* sysdeps/powerpc/fpu/libm-test-ulps: Update.
* sysdeps/mach/hurd/i386/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/aarch64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/alpha/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/arm/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/hppa/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/i386/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/ia64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/microblaze/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/nios2/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/riscv/rv64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/sh/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Likewise.
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This patch adds the narrowing multiply functions from TS 18661-1 to
glibc's libm: fmul, fmull, dmull, f32mulf64, f32mulf32x, f32xmulf64
for all configurations; f32mulf64x, f32mulf128, f64mulf64x,
f64mulf128, f32xmulf64x, f32xmulf128, f64xmulf128 for configurations
with _Float64x and _Float128; __nldbl_dmull for ldbl-opt.
The changes are mostly essentially the same as for the narrowing add
functions, so the description of those generally applies to this patch
as well. f32xmulf64 for i386 cannot use precision control as used for
add and subtract, because that would result in double rounding for
subnormal results, so that uses round-to-odd with long double
intermediate result instead. The soft-fp support involves adding a
new FP_TRUNC_COOKED since soft-fp multiplication uses cooked inputs
and outputs.
Tested for x86_64, x86, mips64 (all three ABIs, both hard and soft
float) and powerpc, and with build-many-glibcs.py.
* math/Makefile (libm-narrow-fns): Add mul.
(libm-test-funcs-narrow): Likewise.
* math/Versions (GLIBC_2.28): Add narrowing multiply functions.
* math/bits/mathcalls-narrow.h (mul): Use __MATHCALL_NARROW.
* math/gen-auto-libm-tests.c (test_functions): Add mul.
* math/math-narrow.h (CHECK_NARROW_MUL): New macro.
(NARROW_MUL_ROUND_TO_ODD): Likewise.
(NARROW_MUL_TRIVIAL): Likewise.
* soft-fp/op-common.h (FP_TRUNC_COOKED): Likewise.
* sysdeps/ieee754/float128/float128_private.h (__fmull): New
macro.
(__dmull): Likewise.
* sysdeps/ieee754/ldbl-opt/Makefile (libnldbl-calls): Add fmul and
dmul.
(CFLAGS-nldbl-dmul.c): New variable.
(CFLAGS-nldbl-fmul.c): Likewise.
* sysdeps/ieee754/ldbl-opt/Versions (GLIBC_2.28): Add
__nldbl_dmull.
* sysdeps/ieee754/ldbl-opt/nldbl-compat.h (__nldbl_dmull): New
prototype.
* manual/arith.texi (Misc FP Arithmetic): Document fmul, fmull,
dmull, fMmulfN, fMmulfNx, fMxmulfN and fMxmulfNx.
* math/auto-libm-test-in: Add tests of mul.
* math/auto-libm-test-out-narrow-mul: New generated file.
* math/libm-test-narrow-mul.inc: New file.
* sysdeps/i386/fpu/s_f32xmulf64.c: Likewise.
* sysdeps/ieee754/dbl-64/s_f32xmulf64.c: Likewise.
* sysdeps/ieee754/dbl-64/s_fmul.c: Likewise.
* sysdeps/ieee754/float128/s_f32mulf128.c: Likewise.
* sysdeps/ieee754/float128/s_f64mulf128.c: Likewise.
* sysdeps/ieee754/float128/s_f64xmulf128.c: Likewise.
* sysdeps/ieee754/ldbl-128/s_dmull.c: Likewise.
* sysdeps/ieee754/ldbl-128/s_f64xmulf128.c: Likewise.
* sysdeps/ieee754/ldbl-128/s_fmull.c: Likewise.
* sysdeps/ieee754/ldbl-128ibm/s_dmull.c: Likewise.
* sysdeps/ieee754/ldbl-128ibm/s_fmull.c: Likewise.
* sysdeps/ieee754/ldbl-96/s_dmull.c: Likewise.
* sysdeps/ieee754/ldbl-96/s_fmull.c: Likewise.
* sysdeps/ieee754/ldbl-opt/nldbl-dmul.c: Likewise.
* sysdeps/ieee754/ldbl-opt/nldbl-fmul.c: Likewise.
* sysdeps/ieee754/soft-fp/s_dmull.c: Likewise.
* sysdeps/ieee754/soft-fp/s_fmul.c: Likewise.
* sysdeps/ieee754/soft-fp/s_fmull.c: Likewise.
* sysdeps/powerpc/fpu/libm-test-ulps: Update.
* sysdeps/mach/hurd/i386/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/aarch64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/alpha/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/arm/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/hppa/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/i386/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/ia64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/microblaze/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/nios2/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/riscv/rv64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/sh/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Likewise.
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A recent binutils patch
<https://sourceware.org/ml/binutils/2018-04/msg00336.html> stops the
MIPS linker including the _gp_disp absolute symbol in dynamic symbol
tables.
With older binutils, it is included for MIPS o32 (despite the use of
symbol versioning), and this means that all the ABI test baselines for
MIPS o32 include "_gp_disp _gp_disp A". This symbol is not
meaningfully part of the ABI for shared libraries, since it always has
to be resolved at static link time to the local definition for the
linked object.
All the other absolute symbols in ABI test baselines are the names of
symbol versions. I don't think the mere existence of a symbol version
with a given name - as opposed to the contents of that version if
nonempty - is part of the ABI either. Thus, this patch allows the ABI
tests to pass both before and after the binutils change by changing
abilist.awk not to include absolute symbols in its output, and
changing the baselines accordingly.
Tested for x86_64, and with build-many-glibcs.py.
* scripts/abilist.awk: Ignore absolute symbols.
* sysdeps/mach/hurd/i386/ld.abilist: Remove absolute symbols.
* sysdeps/mach/hurd/i386/libBrokenLocale.abilist: Likewise.
* sysdeps/mach/hurd/i386/libanl.abilist: Likewise.
* sysdeps/mach/hurd/i386/libc.abilist: Likewise.
* sysdeps/mach/hurd/i386/libcrypt.abilist: Likewise.
* sysdeps/mach/hurd/i386/libdl.abilist: Likewise.
* sysdeps/mach/hurd/i386/libm.abilist: Likewise.
* sysdeps/mach/hurd/i386/libnsl.abilist: Likewise.
* sysdeps/mach/hurd/i386/libpthread.abilist: Likewise.
* sysdeps/mach/hurd/i386/libresolv.abilist: Likewise.
* sysdeps/mach/hurd/i386/librt.abilist: Likewise.
* sysdeps/mach/hurd/i386/libutil.abilist: Likewise.
* sysdeps/unix/sysv/linux/aarch64/ld.abilist: Likewise.
* sysdeps/unix/sysv/linux/aarch64/libBrokenLocale.abilist: Likewise.
* sysdeps/unix/sysv/linux/aarch64/libanl.abilist: Likewise.
* sysdeps/unix/sysv/linux/aarch64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/aarch64/libcrypt.abilist: Likewise.
* sysdeps/unix/sysv/linux/aarch64/libdl.abilist: Likewise.
* sysdeps/unix/sysv/linux/aarch64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/aarch64/libnsl.abilist: Likewise.
* sysdeps/unix/sysv/linux/aarch64/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/aarch64/libresolv.abilist: Likewise.
* sysdeps/unix/sysv/linux/aarch64/librt.abilist: Likewise.
* sysdeps/unix/sysv/linux/aarch64/libthread_db.abilist: Likewise.
* sysdeps/unix/sysv/linux/aarch64/libutil.abilist: Likewise.
* sysdeps/unix/sysv/linux/alpha/ld.abilist: Likewise.
* sysdeps/unix/sysv/linux/alpha/libBrokenLocale.abilist: Likewise.
* sysdeps/unix/sysv/linux/alpha/libanl.abilist: Likewise.
* sysdeps/unix/sysv/linux/alpha/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/alpha/libcrypt.abilist: Likewise.
* sysdeps/unix/sysv/linux/alpha/libdl.abilist: Likewise.
* sysdeps/unix/sysv/linux/alpha/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/alpha/libnsl.abilist: Likewise.
* sysdeps/unix/sysv/linux/alpha/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/alpha/libresolv.abilist: Likewise.
* sysdeps/unix/sysv/linux/alpha/librt.abilist: Likewise.
* sysdeps/unix/sysv/linux/alpha/libthread_db.abilist: Likewise.
* sysdeps/unix/sysv/linux/alpha/libutil.abilist: Likewise.
* sysdeps/unix/sysv/linux/arm/ld.abilist: Likewise.
* sysdeps/unix/sysv/linux/arm/libBrokenLocale.abilist: Likewise.
* sysdeps/unix/sysv/linux/arm/libanl.abilist: Likewise.
* sysdeps/unix/sysv/linux/arm/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/arm/libcrypt.abilist: Likewise.
* sysdeps/unix/sysv/linux/arm/libdl.abilist: Likewise.
* sysdeps/unix/sysv/linux/arm/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/arm/libnsl.abilist: Likewise.
* sysdeps/unix/sysv/linux/arm/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/arm/libresolv.abilist: Likewise.
* sysdeps/unix/sysv/linux/arm/librt.abilist: Likewise.
* sysdeps/unix/sysv/linux/arm/libthread_db.abilist: Likewise.
* sysdeps/unix/sysv/linux/arm/libutil.abilist: Likewise.
* sysdeps/unix/sysv/linux/hppa/ld.abilist: Likewise.
* sysdeps/unix/sysv/linux/hppa/libBrokenLocale.abilist: Likewise.
* sysdeps/unix/sysv/linux/hppa/libanl.abilist: Likewise.
* sysdeps/unix/sysv/linux/hppa/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/hppa/libcrypt.abilist: Likewise.
* sysdeps/unix/sysv/linux/hppa/libdl.abilist: Likewise.
* sysdeps/unix/sysv/linux/hppa/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/hppa/libnsl.abilist: Likewise.
* sysdeps/unix/sysv/linux/hppa/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/hppa/libresolv.abilist: Likewise.
* sysdeps/unix/sysv/linux/hppa/librt.abilist: Likewise.
* sysdeps/unix/sysv/linux/hppa/libthread_db.abilist: Likewise.
* sysdeps/unix/sysv/linux/hppa/libutil.abilist: Likewise.
* sysdeps/unix/sysv/linux/i386/ld.abilist: Likewise.
* sysdeps/unix/sysv/linux/i386/libBrokenLocale.abilist: Likewise.
* sysdeps/unix/sysv/linux/i386/libanl.abilist: Likewise.
* sysdeps/unix/sysv/linux/i386/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/i386/libcrypt.abilist: Likewise.
* sysdeps/unix/sysv/linux/i386/libdl.abilist: Likewise.
* sysdeps/unix/sysv/linux/i386/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/i386/libnsl.abilist: Likewise.
* sysdeps/unix/sysv/linux/i386/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/i386/libresolv.abilist: Likewise.
* sysdeps/unix/sysv/linux/i386/librt.abilist: Likewise.
* sysdeps/unix/sysv/linux/i386/libthread_db.abilist: Likewise.
* sysdeps/unix/sysv/linux/i386/libutil.abilist: Likewise.
* sysdeps/unix/sysv/linux/ia64/ld.abilist: Likewise.
* sysdeps/unix/sysv/linux/ia64/libBrokenLocale.abilist: Likewise.
* sysdeps/unix/sysv/linux/ia64/libanl.abilist: Likewise.
* sysdeps/unix/sysv/linux/ia64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/ia64/libcrypt.abilist: Likewise.
* sysdeps/unix/sysv/linux/ia64/libdl.abilist: Likewise.
* sysdeps/unix/sysv/linux/ia64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/ia64/libnsl.abilist: Likewise.
* sysdeps/unix/sysv/linux/ia64/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/ia64/libresolv.abilist: Likewise.
* sysdeps/unix/sysv/linux/ia64/librt.abilist: Likewise.
* sysdeps/unix/sysv/linux/ia64/libthread_db.abilist: Likewise.
* sysdeps/unix/sysv/linux/ia64/libutil.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/coldfire/ld.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/coldfire/libBrokenLocale.abilist:
Likewise.
* sysdeps/unix/sysv/linux/m68k/coldfire/libanl.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/coldfire/libcrypt.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/coldfire/libdl.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/coldfire/libnsl.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/coldfire/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/coldfire/libresolv.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/coldfire/librt.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/coldfire/libthread_db.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/coldfire/libutil.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/m680x0/ld.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/m680x0/libBrokenLocale.abilist:
Likewise.
* sysdeps/unix/sysv/linux/m68k/m680x0/libanl.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/m680x0/libcrypt.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/m680x0/libdl.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/m680x0/libnsl.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/m680x0/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/m680x0/libresolv.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/m680x0/librt.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/m680x0/libthread_db.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/m680x0/libutil.abilist: Likewise.
* sysdeps/unix/sysv/linux/microblaze/ld.abilist: Likewise.
* sysdeps/unix/sysv/linux/microblaze/libBrokenLocale.abilist: Likewise.
* sysdeps/unix/sysv/linux/microblaze/libanl.abilist: Likewise.
* sysdeps/unix/sysv/linux/microblaze/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/microblaze/libcrypt.abilist: Likewise.
* sysdeps/unix/sysv/linux/microblaze/libdl.abilist: Likewise.
* sysdeps/unix/sysv/linux/microblaze/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/microblaze/libnsl.abilist: Likewise.
* sysdeps/unix/sysv/linux/microblaze/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/microblaze/libresolv.abilist: Likewise.
* sysdeps/unix/sysv/linux/microblaze/librt.abilist: Likewise.
* sysdeps/unix/sysv/linux/microblaze/libthread_db.abilist: Likewise.
* sysdeps/unix/sysv/linux/microblaze/libutil.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/ld.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/libBrokenLocale.abilist:
Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/libanl.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/libcidn.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/libcrypt.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/libdl.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/libnsl.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/libnss_compat.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/libnss_db.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/libnss_dns.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/libnss_files.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/libnss_hesiod.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/libnss_nis.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/libnss_nisplus.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/libresolv.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/librt.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/libthread_db.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/libutil.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/libBrokenLocale.abilist:
Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/libanl.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/libcrypt.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/libdl.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/libnsl.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/librt.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/libthread_db.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/libutil.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n32/ld.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n32/libresolv.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n64/ld.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n64/libresolv.abilist: Likewise.
* sysdeps/unix/sysv/linux/nios2/ld.abilist: Likewise.
* sysdeps/unix/sysv/linux/nios2/libBrokenLocale.abilist: Likewise.
* sysdeps/unix/sysv/linux/nios2/libanl.abilist: Likewise.
* sysdeps/unix/sysv/linux/nios2/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/nios2/libcrypt.abilist: Likewise.
* sysdeps/unix/sysv/linux/nios2/libdl.abilist: Likewise.
* sysdeps/unix/sysv/linux/nios2/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/nios2/libnsl.abilist: Likewise.
* sysdeps/unix/sysv/linux/nios2/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/nios2/libresolv.abilist: Likewise.
* sysdeps/unix/sysv/linux/nios2/librt.abilist: Likewise.
* sysdeps/unix/sysv/linux/nios2/libthread_db.abilist: Likewise.
* sysdeps/unix/sysv/linux/nios2/libutil.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/ld.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/libBrokenLocale.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/libanl.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/libcrypt.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/libdl.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/libnsl.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/libpthread.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/libresolv.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/librt.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/libthread_db.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/libutil.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/ld-le.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/ld.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libBrokenLocale-le.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libBrokenLocale.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libanl-le.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libanl.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libcrypt-le.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libcrypt.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libdl-le.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libdl.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libnsl-le.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libnsl.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libpthread-le.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libpthread.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libresolv-le.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libresolv.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/librt-le.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/librt.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libthread_db-le.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libthread_db.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libutil-le.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libutil.abilist: Likewise.
* sysdeps/unix/sysv/linux/riscv/rv64/ld.abilist: Likewise.
* sysdeps/unix/sysv/linux/riscv/rv64/libBrokenLocale.abilist:
Likewise.
* sysdeps/unix/sysv/linux/riscv/rv64/libanl.abilist: Likewise.
* sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/riscv/rv64/libcrypt.abilist: Likewise.
* sysdeps/unix/sysv/linux/riscv/rv64/libdl.abilist: Likewise.
* sysdeps/unix/sysv/linux/riscv/rv64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/riscv/rv64/libnsl.abilist: Likewise.
* sysdeps/unix/sysv/linux/riscv/rv64/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/riscv/rv64/libresolv.abilist: Likewise.
* sysdeps/unix/sysv/linux/riscv/rv64/librt.abilist: Likewise.
* sysdeps/unix/sysv/linux/riscv/rv64/libthread_db.abilist: Likewise.
* sysdeps/unix/sysv/linux/riscv/rv64/libutil.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/libanl.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/ld.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/libBrokenLocale.abilist:
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/libcrypt.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/libdl.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/libnsl.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/libresolv.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/librt.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/libthread_db.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/libutil.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/ld.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/libBrokenLocale.abilist:
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/libcrypt.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/libdl.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/libnsl.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/libresolv.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/librt.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/libthread_db.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/libutil.abilist: Likewise.
* sysdeps/unix/sysv/linux/sh/ld.abilist: Likewise.
* sysdeps/unix/sysv/linux/sh/libBrokenLocale.abilist: Likewise.
* sysdeps/unix/sysv/linux/sh/libanl.abilist: Likewise.
* sysdeps/unix/sysv/linux/sh/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sh/libcrypt.abilist: Likewise.
* sysdeps/unix/sysv/linux/sh/libdl.abilist: Likewise.
* sysdeps/unix/sysv/linux/sh/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/sh/libnsl.abilist: Likewise.
* sysdeps/unix/sysv/linux/sh/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/sh/libresolv.abilist: Likewise.
* sysdeps/unix/sysv/linux/sh/librt.abilist: Likewise.
* sysdeps/unix/sysv/linux/sh/libthread_db.abilist: Likewise.
* sysdeps/unix/sysv/linux/sh/libutil.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/ld.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/libBrokenLocale.abilist:
Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/libanl.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/libcrypt.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/libdl.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/libnsl.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/libresolv.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/librt.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/libthread_db.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/libutil.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/ld.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/libBrokenLocale.abilist:
Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/libanl.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/libcrypt.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/libdl.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/libnsl.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/libresolv.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/librt.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/libthread_db.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/libutil.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/64/ld.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/64/libBrokenLocale.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/64/libanl.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/64/libcrypt.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/64/libdl.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/64/libnsl.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/64/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/64/libresolv.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/64/librt.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/64/libthread_db.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/64/libutil.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/libmvec.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/ld.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/libBrokenLocale.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/libanl.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/libcrypt.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/libdl.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/libnsl.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/libresolv.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/librt.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/libthread_db.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/libutil.abilist: Likewise.
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This patch makes the alpha bits/termios.h define XTABS to TAB3, so
matching a change made in Linux 4.16 as well as matching other
architectures where the values are already equal.
Tested with build-many-glibcs.py for alpha-linux-gnu.
* sysdeps/unix/sysv/linux/alpha/bits/termios.h [__USE_MISC]
(XTABS): Define to TAB3.
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This patch consolidates Linux getdents{64} implementation on just
the default sysdeps/unix/sysv/linux/getdents{64}{_r}.c ones.
Although this symbol is used only internally, the non-LFS version
still need to be build due the non-LFS getdirentries which requires
its semantic.
The non-LFS default implementation now uses the wordsize-32 as base
which uses getdents64 syscall plus adjustment for overflow (it allows
to use the same code for architectures that does not support non-LFS
getdents syscall). It has two main differences to wordsize-32 one:
- DIRENT_SET_DP_INO is added to handle alpha requirement to zero
the padding.
- alloca is removed by allocating a bounded temporary buffer (it
increases stack usage by roughly 276 bytes).
The default implementation handle the Linux requirements:
* getdents is only built for _DIRENT_MATCHES_DIRENT64 being 0.
* getdents64 is always built and aliased to getdents for ABIs
that define _DIRENT_MATCHES_DIRENT64 to 1.
* A compat symbol is added for getdents64 for ABI that used to
export the old non-LFS version.
Checked on aarch64-linux-gnu, x86_64-linux-gnu, i686-linux-gnu,
sparcv9-linux-gnu, sparc64-linux-gnu, powerpc-linux-gnu, and
powerpc64le-linux-gnu.
* sysdeps/unix/sysv/linux/alpha/getdents.c: Add comments with alpha
requirements.
(_DIRENT_MATCHES_DIRENT64): Undef
* sysdeps/unix/sysv/linux/alpha/getdents64.c: Likewise.
* sysdeps/unix/sysv/linux/arm/getdents64.c: Remove file.
* sysdeps/unix/sysv/linux/generic/getdents.c: Likewise.
* sysdeps/unix/sysv/linux/generic/getdents64.c: Likewise.
* sysdeps/unix/sysv/linux/generic/wordsize-32/getdents.c: Likewise.
* sysdeps/unix/sysv/linux/getdents.c: Simplify implementation by
use getdents64 syscalls as base.
* sysdeps/unix/sysv/linux/getdents64.c: Likewise and add compatibility
symbol if required.
* sysdeps/unix/sysv/linux/hppa/getdents64.c: Likewise.
* sysdeps/unix/sysv/linux/i386/getdents64.c: Likewise.
* sysdeps/unix/sysv/linux/m68k/getdents64.c: Likewise.
* sysdeps/unix/sysv/linux/powerpc/getdents64.c: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/getdents64.c: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/getdents64.c: Likewise.
* sysdeps/unix/sysv/linux/wordsize-64/getdents.c: Likewise.
* sysdeps/unix/sysv/linux/wordsize-64/getdents64.c: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/get_clockfreq.c
(__get_clockfreq_via_proc_openprom): Use __getdents64.
* sysdeps/unix/sysv/linux/mips/mips64/getdents64.c: New file.
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This patch consolidates all Linux sigaction implementations on the default
sysdeps/unix/sysv/linux/sigaction.c. The idea is remove redundant code
and simplify new ports addition by following the current generic
Linux User API (UAPI).
The UAPI for new ports defines a generic extensible sigaction struct as:
struct sigaction
{
__sighandler_t sa_handler;
unsigned long sa_flags;
#ifdef SA_RESTORER
void (*sa_restorer) (void);
#endif
sigset_t sa_mask;
};
Where SA_RESTORER is just placed for compatibility reasons (news ports
should not add it). A similar definition is used on generic
kernel_sigaction.h.
The user exported sigaction definition is not changed, so for most
architectures it requires an adjustment to kernel expected one for the
syscall.
The main changes are:
- All architectures now define and use a kernel_sigaction struct meant
for the syscall, even for the architectures where the user sigaction
has the same layout of the kernel expected one (s390-64 and ia64).
Although it requires more work for these architectures, it simplifies
the generic implementation. Also, sigaction is hardly a hotspot where
micro optimization would play an important role.
- The generic kernel_sigaction definition is now aligned with expected
UAPI one for newer ports, where SA_RESTORER and sa_restorer are not
expected to be defined. This means adding kernel_sigaction for
current architectures that does define it (m68k, nios2, powerpc, s390,
sh, sparc, and tile) and which rely on previous generic definition.
- Remove old MIPS usage of sa_restorer. This was removed since 2.6.27
(2957c9e61ee9c - "[MIPS] IRIX: Goodbye and thanks for all the fish").
- The remaining arch-specific sigaction.c are to handle ABI idiosyncrasies
(like SPARC kernel ABI for rt_sigaction that requires an additional
stub argument).
So for new ports the generic implementation should work if its uses
Linux UAPI. If SA_RESTORER is still required (due some architecture
limitation), it should define its own kernel_sigaction.h, define it and
include generic header (assuming it still uses the default generic kernel
layout).
Checked on x86_64-linux-gnu, i686-linux-gnu, arm-linux-gnueabihf,
aarch64-linux-gnu, sparc64-linux-gnu, sparcv9-linux-gnu, powerpc-linux-gnu,
powerpc64-linux-gnu, ia64-linux-gnu and alpha-linux-gnu. I also checked the
build on all remaining affected ABIs.
* sysdeps/unix/sysv/linux/aarch64/sigaction.c: Use default Linux version
as base implementation.
* sysdeps/unix/sysv/linux/arm/sigaction.c: Likewise.
* sysdeps/unix/sysv/linux/i386/sigaction.c: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/sigaction.c: Likewise.
* sysdeps/unix/sysv/linux/x86_64/sigaction.c: Likewise.
* sysdeps/unix/sysv/linux/alpha/kernel_sigaction.h: Add include guards,
remove unrequired definitions and update comments.
* sysdeps/unix/sysv/linux/kernel_sigaction.h: Likewise.
* sysdeps/unix/sysv/linux/mips/kernel_sigaction.h: Likewise.
* sysdeps/unix/sysv/linux/ia64/kernel_sigaction.h: New file.
* sysdeps/unix/sysv/linux/m68k/kernel_sigaction.h: Likewise.
* sysdeps/unix/sysv/linux/nios2/kernel_sigaction.h: Likewise.
* sysdeps/unix/sysv/linux/powerpc/kernel_sigaction: Likewise.
* sysdeps/unix/sysv/linux/s390/kernel_sigaction.h: Likewise.
* sysdeps/unix/sysv/linux/sh/kernel_sigaction.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/kernel_sigaction.h: Likewise.
* sysdeps/unix/sysv/linux/tile/kernel_sigaction.h: Likewise.
* sysdeps/unix/sysv/linux/ia64/sigaction.c: Remove file.
* sysdeps/unix/sysv/linux/mips/sigaction.c: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/sigaction.c: Likewise.
* sysdeps/unix/sysv/linux/sigaction.c: Add STUB, SET_SA_RESTORER,
and RESET_SA_RESTORER hooks.
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The glibc-internal header frame.h was used in the old
debug/backtrace.c but is now unused. Similarly, there are some
sigcontextinfo.h macros that are used nowhere in glibc -
ADVANCE_STACK_FRAME and FIRST_FRAME_POINTER were used in the old
debug/backtrace.c, while SIGCONTEXT_EXTRA_ARGS, GET_FRAME, GET_STACK
and CALL_SIGHANDLER were unused even before the removal of that old
implementation (beyond uses of SIGCONTEXT_EXTRA_ARGS in definitions of
CALL_SIGHANDLER). This patch removes all the unused frame.h headers
and definitions of those macros.
Tested with build-many-glibcs.py.
* sysdeps/generic/frame.h: Remove file.
* sysdeps/arm/frame.h: Likewise.
* sysdeps/hppa/frame.h: Likewise.
* sysdeps/generic/sigcontextinfo.h (SIGCONTEXT_EXTRA_ARGS): Remove
macro.
(GET_FRAME): Likewise.
(GET_STACK): Likewise.
(CALL_SIGHANDLER): Likewise.
* sysdeps/mach/hurd/i386/sigcontextinfo.h (SIGCONTEXT_EXTRA_ARGS):
Likewise.
(GET_FRAME): Likewise.
(GET_STACK): Likewise.
(CALL_SIGHANDLER): Likewise.
* sysdeps/unix/sysv/linux/alpha/sigcontextinfo.h
(SIGCONTEXT_EXTRA_ARGS): Likewise.
(GET_FRAME): Likewise.
(GET_STACK): Likewise.
(CALL_SIGHANDLER): Likewise.
* sysdeps/unix/sysv/linux/arm/sigcontextinfo.h
(SIGCONTEXT_EXTRA_ARGS): Likewise.
(GET_FRAME): Likewise.
(GET_STACK): Likewise.
(ADVANCE_STACK_FRAME): Likewise.
(CALL_SIGHANDLER): Likewise.
* sysdeps/unix/sysv/linux/i386/sigcontextinfo.h
(SIGCONTEXT_EXTRA_ARGS): Likewise.
(GET_FRAME): Likewise.
(GET_STACK): Likewise.
(CALL_SIGHANDLER): Likewise.
* sysdeps/unix/sysv/linux/ia64/sigcontextinfo.h
(SIGCONTEXT_EXTRA_ARGS): Likewise.
(GET_FRAME): Likewise.
(GET_STACK): Likewise.
(CALL_SIGHANDLER): Likewise.
* sysdeps/unix/sysv/linux/m68k/sigcontextinfo.h
(SIGCONTEXT_EXTRA_ARGS): Likewise.
(GET_FRAME): Likewise.
(GET_STACK): Likewise.
(CALL_SIGHANDLER): Likewise.
* sysdeps/unix/sysv/linux/microblaze/sigcontextinfo.h
(SIGCONTEXT_EXTRA_ARGS): Likewise.
(GET_FRAME): Likewise.
(GET_STACK): Likewise.
(CALL_SIGHANDLER): Likewise.
* sysdeps/unix/sysv/linux/mips/sigcontextinfo.h
(SIGCONTEXT_EXTRA_ARGS): Likewise.
(GET_FRAME): Likewise.
(GET_STACK): Likewise.
(CALL_SIGHANDLER): Likewise.
* sysdeps/unix/sysv/linux/powerpc/sigcontextinfo.h
(SIGCONTEXT_EXTRA_ARGS): Likewise.
(GET_FRAME): Likewise.
(GET_STACK): Likewise.
(CALL_SIGHANDLER): Likewise.
* sysdeps/unix/sysv/linux/riscv/sigcontextinfo.h
(SIGCONTEXT_EXTRA_ARGS): Likewise.
(GET_FRAME): Likewise.
(GET_STACK): Likewise.
(CALL_SIGHANDLER): Likewise.
* sysdeps/unix/sysv/linux/s390/sigcontextinfo.h
(SIGCONTEXT_EXTRA_ARGS): Likewise.
(GET_FRAME): Likewise.
(GET_STACK): Likewise.
(CALL_SIGHANDLER): Likewise.
* sysdeps/unix/sysv/linux/sh/sigcontextinfo.h
(SIGCONTEXT_EXTRA_ARGS): Likewise.
(GET_FRAME): Likewise.
(GET_STACK): Likewise.
(CALL_SIGHANDLER): Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/sigcontextinfo.h
(SIGCONTEXT_EXTRA_ARGS): Likewise.
(FIRST_FRAME_POINTER): Likewise.
(ADVANCE_STACK_FRAME): Likewise.
(GET_STACK): Likewise.
(GET_FRAME): Likewise.
(CALL_SIGHANDLER): Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/sigcontextinfo.h
(SIGCONTEXT_EXTRA_ARGS): Likewise.
(ADVANCE_STACK_FRAME): Likewise.
(GET_STACK): Likewise.
(GET_FRAME): Likewise.
(CALL_SIGHANDLER): Likewise.
* sysdeps/unix/sysv/linux/tile/sigcontextinfo.h
(SIGCONTEXT_EXTRA_ARGS): Likewise.
(GET_FRAME): Likewise.
(GET_STACK): Likewise.
(CALL_SIGHANDLER): Likewise.
* sysdeps/unix/sysv/linux/x86_64/sigcontextinfo.h
(SIGCONTEXT_EXTRA_ARGS): Likewise.
(GET_FRAME): Likewise.
(GET_STACK): Likewise.
(CALL_SIGHANDLER): Likewise.
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This patch adds the narrowing subtract functions from TS 18661-1 to
glibc's libm: fsub, fsubl, dsubl, f32subf64, f32subf32x, f32xsubf64
for all configurations; f32subf64x, f32subf128, f64subf64x,
f64subf128, f32xsubf64x, f32xsubf128, f64xsubf128 for configurations
with _Float64x and _Float128; __nldbl_dsubl for ldbl-opt.
The changes are essentially the same as for the narrowing add
functions, so the description of those generally applies to this patch
as well.
Tested for x86_64, x86, mips64 (all three ABIs, both hard and soft
float) and powerpc, and with build-many-glibcs.py.
* math/Makefile (libm-narrow-fns): Add sub.
(libm-test-funcs-narrow): Likewise.
* math/Versions (GLIBC_2.28): Add narrowing subtract functions.
* math/bits/mathcalls-narrow.h (sub): Use __MATHCALL_NARROW.
* math/gen-auto-libm-tests.c (test_functions): Add sub.
* math/math-narrow.h (CHECK_NARROW_SUB): New macro.
(NARROW_SUB_ROUND_TO_ODD): Likewise.
(NARROW_SUB_TRIVIAL): Likewise.
* sysdeps/ieee754/float128/float128_private.h (__fsubl): New
macro.
(__dsubl): Likewise.
* sysdeps/ieee754/ldbl-opt/Makefile (libnldbl-calls): Add fsub and
dsub.
(CFLAGS-nldbl-dsub.c): New variable.
(CFLAGS-nldbl-fsub.c): Likewise.
* sysdeps/ieee754/ldbl-opt/Versions (GLIBC_2.28): Add
__nldbl_dsubl.
* sysdeps/ieee754/ldbl-opt/nldbl-compat.h (__nldbl_dsubl): New
prototype.
* manual/arith.texi (Misc FP Arithmetic): Document fsub, fsubl,
dsubl, fMsubfN, fMsubfNx, fMxsubfN and fMxsubfNx.
* math/auto-libm-test-in: Add tests of sub.
* math/auto-libm-test-out-narrow-sub: New generated file.
* math/libm-test-narrow-sub.inc: New file.
* sysdeps/i386/fpu/s_f32xsubf64.c: Likewise.
* sysdeps/ieee754/dbl-64/s_f32xsubf64.c: Likewise.
* sysdeps/ieee754/dbl-64/s_fsub.c: Likewise.
* sysdeps/ieee754/float128/s_f32subf128.c: Likewise.
* sysdeps/ieee754/float128/s_f64subf128.c: Likewise.
* sysdeps/ieee754/float128/s_f64xsubf128.c: Likewise.
* sysdeps/ieee754/ldbl-128/s_dsubl.c: Likewise.
* sysdeps/ieee754/ldbl-128/s_f64xsubf128.c: Likewise.
* sysdeps/ieee754/ldbl-128/s_fsubl.c: Likewise.
* sysdeps/ieee754/ldbl-128ibm/s_dsubl.c: Likewise.
* sysdeps/ieee754/ldbl-128ibm/s_fsubl.c: Likewise.
* sysdeps/ieee754/ldbl-96/s_dsubl.c: Likewise.
* sysdeps/ieee754/ldbl-96/s_fsubl.c: Likewise.
* sysdeps/ieee754/ldbl-opt/nldbl-dsub.c: Likewise.
* sysdeps/ieee754/ldbl-opt/nldbl-fsub.c: Likewise.
* sysdeps/ieee754/soft-fp/s_dsubl.c: Likewise.
* sysdeps/ieee754/soft-fp/s_fsub.c: Likewise.
* sysdeps/ieee754/soft-fp/s_fsubl.c: Likewise.
* sysdeps/powerpc/fpu/libm-test-ulps: Update.
* sysdeps/mach/hurd/i386/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/aarch64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/alpha/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/arm/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/hppa/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/i386/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/ia64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/microblaze/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/nios2/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/riscv/rv64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/sh/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx32/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Likewise.
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On Alpha, the register $at is, by default, reserved for use by the
assembler, in the expansion of pseudo-instructions. It's also used
by the special calling convention for _mcount. We get warnings from
Alpha clone.S because the code to call _mcount isn't properly marked
up to tell the assembler not to use $at itself.
* sysdeps/unix/sysv/linux/alpha/clone.s (__clone): Wrap manual
uses of $at in .set noat / .set at.
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This patch refactors the ARCH_FORK macro and the required architecture
specific header to simplify the required architecture definitions
to provide the fork syscall semantic and proper document current
Linux clone ABI variant.
Instead of require the reimplementation of arch-fork.h header, this
patch changes the ARCH_FORK to an inline function with clone ABI
defined by kernel-features.h define. The generic kernel ABI meant
for newer ports is used as default and redefine if the architecture
requires.
Checked on x86_64-linux-gnu and i686-linux-gnu. Also with a build
for all the afected ABIs.
* sysdeps/nptl/fork.c (ARCH_FORK): Replace by auch_fork.
* sysdeps/unix/sysv/linux/alpha/arch-fork.h: Remove file.
* sysdeps/unix/sysv/linux/riscv/arch-fork.h: Likewise.
* sysdeps/unix/sysv/linux/aarch64/arch-fork.h: Likewise.
* sysdeps/unix/sysv/linux/arm/arch-fork.h: Likewise.
* sysdeps/unix/sysv/linux/hppa/arch-fork.h: Likewise.
* sysdeps/unix/sysv/linux/i386/arch-fork.h: Likewise.
* sysdeps/unix/sysv/linux/ia64/arch-fork.h: Likewise.
* sysdeps/unix/sysv/linux/m68k/arch-fork.h: Likewise.
* sysdeps/unix/sysv/linux/microblaze/arch-fork.h: Likewise.
* sysdeps/unix/sysv/linux/mips/arch-fork.h: Likewise.
* sysdeps/unix/sysv/linux/nios2/arch-fork.h: Likewise.
* sysdeps/unix/sysv/linux/powerpc/arch-fork.h: Likewise.
* sysdeps/unix/sysv/linux/s390/arch-fork.h: Likewise.
* sysdeps/unix/sysv/linux/sh/arch-fork.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/arch-fork.h: Likewise.
* sysdeps/unix/sysv/linux/tile/arch-fork.h: Likewise.
* sysdeps/unix/sysv/linux/x86_64/arch-fork.h: Likewise.
* sysdeps/unix/sysv/linux/arch-fork.h (arch_fork): New function.
* sysdeps/unix/sysv/linux/aarch64/kernel-features.h: New file.
* sysdeps/unix/sysv/linux/riscv/kernel-features.h: Likewise.
* sysdeps/unix/sysv/linux/arm/kernel-features.h
(__ASSUME_CLONE_BACKWARDS): Define.
* sysdeps/unix/sysv/linux/createthread.c (ARCH_CLONE): Define to
__clone2 if __NR_clone2 is defined.
* sysdeps/unix/sysv/linux/hppa/kernel-features.h
(__ASSUME_CLONE_BACKWARDS): Likewise.
* sysdeps/unix/sysv/linux/i386/kernel-features.h
(__ASSUME_CLONE_BACKWARDS): Likewise.
* sysdeps/unix/sysv/linux/ia64/kernel-features.h
(__ASSUME_CLONE2): Likewise.
* sysdeps/unix/sysv/linux/microblaze/kernel-features.h
(__ASSUME_CLONE_BACKWARDS3): Likewise.
* sysdeps/unix/sysv/linux/kernel-features.h: Document possible clone
variants and the define architecture can use.
(__ASSUME_CLONE_DEFAULT): Define as default.
* sysdeps/unix/sysv/linux/mips/kernel-features.h
(__ASSUME_CLONE_BACKWARDS): Likewise.
* sysdeps/unix/sysv/linux/powerpc/kernel-features.h
(__ASSUME_CLONE_BACKWARDS): Likewise.
* sysdeps/unix/sysv/linux/s390/kernel-features.h
(__ASSUME_CLONE_BACKWARDS2): Likewise.
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* bits/sigaction.h: Add include guard.
* sysdeps/unix/sysv/linux/alpha/bits/sigaction.h: Likewise.
* sysdeps/unix/sysv/linux/bits/sigaction.h: Likewise.
* sysdeps/unix/sysv/linux/hppa/bits/sigaction.h: Likewise.
* sysdeps/unix/sysv/linux/ia64/bits/sigaction.h: Likewise.
* sysdeps/unix/sysv/linux/mips/bits/sigaction.h: Likewise.
* sysdeps/unix/sysv/linux/s390/bits/sigaction.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/bits/sigaction.h: Likewise.
* sysdeps/unix/sysv/linux/tile/bits/sigaction.h: Likewise.
* hurd/hurd/signal.h: Include <bits/sigaction.h>.
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This patch adds the narrowing add functions from TS 18661-1 to glibc's
libm: fadd, faddl, daddl, f32addf64, f32addf32x, f32xaddf64 for all
configurations; f32addf64x, f32addf128, f64addf64x, f64addf128,
f32xaddf64x, f32xaddf128, f64xaddf128 for configurations with
_Float64x and _Float128; __nldbl_daddl for ldbl-opt. As discussed for
the build infrastructure patch, tgmath.h support is deliberately
deferred, and FP_FAST_* macros are not applicable without optimized
function implementations.
Function implementations are added for all relevant pairs of formats
(including certain cases of a format and itself where more than one
type has that format). The main implementations use round-to-odd, or
a trivial computation in the case where both formats are the same or
where the wider format is IBM long double (in which case we don't
attempt to be correctly rounding). The sysdeps/ieee754/soft-fp
implementations use soft-fp, and are used automatically for
configurations without exceptions and rounding modes by virtue of
existing Implies files. As previously discussed, optimized versions
for particular architectures are possible, but not included.
i386 gets a special version of f32xaddf64 to avoid problems with
double rounding (similar to the existing fdim version), since this
function must round just once without an intermediate rounding to long
double. (No such special version is needed for any other function,
because the nontrivial functions use round-to-odd, which does the
intermediate computation with the rounding mode set to round-to-zero,
and double rounding is OK except in round-to-nearest mode, so is OK
for that intermediate round-to-zero computation.) mul and div will
need slightly different special versions for i386 (using round-to-odd
on long double instead of precision control) because of the
possibility of inexact intermediate results in the subnormal range for
double.
To reduce duplication among the different function implementations,
math-narrow.h gets macros CHECK_NARROW_ADD, NARROW_ADD_ROUND_TO_ODD
and NARROW_ADD_TRIVIAL.
In the trivial cases and for any architecture-specific optimized
implementations, the overhead of the errno setting might be
significant, but I think that's best handled through compiler built-in
functions rather than providing separate no-errno versions in glibc
(and likewise there are no __*_finite entry points for these function
provided, __*_finite effectively being no-errno versions at present in
most cases).
Tested for x86_64 and x86, with both GCC 6 and GCC 7. Tested for
mips64 (all three ABIs, both hard and soft float) and powerpc with GCC
7. Tested with build-many-glibcs.py with both GCC 6 and GCC 7.
* math/Makefile (libm-narrow-fns): Add add.
(libm-test-funcs-narrow): Likewise.
* math/Versions (GLIBC_2.28): Add narrowing add functions.
* math/bits/mathcalls-narrow.h (add): Use __MATHCALL_NARROW .
* math/gen-auto-libm-tests.c (test_functions): Add add.
* math/math-narrow.h (CHECK_NARROW_ADD): New macro.
(NARROW_ADD_ROUND_TO_ODD): Likewise.
(NARROW_ADD_TRIVIAL): Likewise.
* sysdeps/ieee754/float128/float128_private.h (__faddl): New
macro.
(__daddl): Likewise.
* sysdeps/ieee754/ldbl-opt/Makefile (libnldbl-calls): Add fadd and
dadd.
(CFLAGS-nldbl-dadd.c): New variable.
(CFLAGS-nldbl-fadd.c): Likewise.
* sysdeps/ieee754/ldbl-opt/Versions (GLIBC_2.28): Add
__nldbl_daddl.
* sysdeps/ieee754/ldbl-opt/nldbl-compat.h (__nldbl_daddl): New
prototype.
* manual/arith.texi (Misc FP Arithmetic): Document fadd, faddl,
daddl, fMaddfN, fMaddfNx, fMxaddfN and fMxaddfNx.
* math/auto-libm-test-in: Add tests of add.
* math/auto-libm-test-out-narrow-add: New generated file.
* math/libm-test-narrow-add.inc: New file.
* sysdeps/i386/fpu/s_f32xaddf64.c: Likewise.
* sysdeps/ieee754/dbl-64/s_f32xaddf64.c: Likewise.
* sysdeps/ieee754/dbl-64/s_fadd.c: Likewise.
* sysdeps/ieee754/float128/s_f32addf128.c: Likewise.
* sysdeps/ieee754/float128/s_f64addf128.c: Likewise.
* sysdeps/ieee754/float128/s_f64xaddf128.c: Likewise.
* sysdeps/ieee754/ldbl-128/s_daddl.c: Likewise.
* sysdeps/ieee754/ldbl-128/s_f64xaddf128.c: Likewise.
* sysdeps/ieee754/ldbl-128/s_faddl.c: Likewise.
* sysdeps/ieee754/ldbl-128ibm/s_daddl.c: Likewise.
* sysdeps/ieee754/ldbl-128ibm/s_faddl.c: Likewise.
* sysdeps/ieee754/ldbl-96/s_daddl.c: Likewise.
* sysdeps/ieee754/ldbl-96/s_faddl.c: Likewise.
* sysdeps/ieee754/ldbl-opt/nldbl-dadd.c: Likewise.
* sysdeps/ieee754/ldbl-opt/nldbl-fadd.c: Likewise.
* sysdeps/ieee754/soft-fp/s_daddl.c: Likewise.
* sysdeps/ieee754/soft-fp/s_fadd.c: Likewise.
* sysdeps/ieee754/soft-fp/s_faddl.c: Likewise.
* sysdeps/powerpc/fpu/libm-test-ulps: Update.
* sysdeps/mach/hurd/i386/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/aarch64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/alpha/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/arm/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/hppa/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/i386/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/ia64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/microblaze/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/nios2/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/riscv/rv64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/sh/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx32/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Likewise.
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Fix the RLIM_INFINITY and RLIM64_INFINITY constants on alpha to match
the kernel one and all other architectures. Change the getrlimit,
getrlimit64, setrlimit, setrlimit64 into old compat symbols, and provide
the Linux generic functions as GLIBC_2_27 version.
Changelog:
* sysdeps/unix/sysv/linux/getrlimit64.c [USE_VERSIONED_RLIMIT]: Do not
define getrlimit and getrlimit64 as weak aliases of __getrlimit64.
Define __GI_getrlimit64 as weak alias of __getrlimit64.
[__RLIM_T_MATCHES_RLIM64_T]: Do not redefine SHLIB_COMPAT, use #elif
instead.
* sysdeps/unix/sysv/linux/setrlimit64.c [USE_VERSIONED_RLIMIT]: Do not
define setrlimit and setrlimit64 as weak aliases of __setrlimit64.
* sysdeps/unix/sysv/linux/alpha/bits/resource.h (RLIM_INFINITY,
RLIM64_INFINITY): Fix values to match the kernel ones.
* sysdeps/unix/sysv/linux/alpha/getrlimit64.c: Define
USE_VERSIONED_RLIMIT. Rename __getrlimit64 into __old_getrlimit64 and
provide it as getrlimit@@GLIBC_2_0 and getrlimit64@@GLIBC_2_1. Add a
__getrlimit64 function and provide it as getrlimit@@GLIBC_2_27 and
getrlimit64@@GLIBC_2_27.
* sysdeps/unix/sysv/linux/alpha/setrlimit64.c: Ditto with setrlimit
and setrlimit64.
* sysdeps/unix/sysv/linux/alpha/libc.abilist (GLIBC_2.27): Add
getrlimit, setrlimit, getrlimit64 and setrlimit64.
* sysdeps/unix/sysv/linux/alpha/Versions (libc): Add getrlimit,
setrlimit, getrlimit64 and setrlimit64.
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#22648]
RLIM64_INFINITY was supposed to be a glibc convention rather than
anything seen by the kernel, but it ended being passed to the kernel
through the prlimit64 syscall.
* On the kernel side, the value is defined for the prlimit64 syscall for
all architectures in include/uapi/linux/resource.h:
#define RLIM64_INFINITY (~0ULL)
* On the kernel side, the value is defined for getrlimit and setrlimit
in arch/alpha/include/uapi/asm/resource.h
#define RLIM_INFINITY 0x7ffffffffffffffful
* On the GNU libc side, the value is defined in
sysdeps/unix/sysv/linux/alpha/bits/resource.h:
# define RLIM64_INFINITY 0x7fffffffffffffffLL
This was not an issue until the getrlimit and setrlimit glibc functions
have been changed in commit 045c13d185 ("Consolidate Linux setrlimit and
getrlimit implementation") to use the prlimit64 syscall instead of the
getrlimit and setrlimit ones.
This patch fixes that by adding a wrapper to fix the value passed to or
received from the kernel, before or after calling the prlimit64 syscall.
Changelog:
[BZ #22648]
* sysdeps/unix/sysv/linux/alpha/getrlimit64.c: New file.
* sysdeps/unix/sysv/linux/alpha/setrlimit64.c: Ditto.
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* All files with FSF copyright notices: Update copyright dates
using scripts/update-copyrights.
* locale/programs/charmap-kw.h: Regenerated.
* locale/programs/locfile-kw.h: Likewise.
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The semantics are based on the Linux system call, but a very close
emulation in user space is provided.
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This patch concludes filling out TS 18661-3 support for different
types by adding *f32 function aliases of float functions to support
_Float32. As with _Float64 and _Float32x, this is supported for all
glibc configurations. As with the previous such patches there are
some x86 ulps updates because of inline functions present for float
but not for _Float32. The patch also has the usual
bits/floatn-common.h update, symbol versions, ABI baselines updates,
test enablement and documentation.
Tested for x86_64 and x86, and with build-many-glibcs.py, with both
GCC 6 and GCC 7.
* bits/floatn-common.h (__HAVE_FLOAT32): Define to 1.
* manual/math.texi (Mathematics): Document support for _Float32.
* math/Makefile (test-types): Add float32.
* math/Versions (GLIBC_2.27): Add _Float32 functions.
* stdlib/Versions (GLIBC_2.27): Likewise.
* wcsmbs/Versions (GLIBC_2.27): Likewise.
* sysdeps/unix/sysv/linux/aarch64/libc.abilist: Update.
* sysdeps/unix/sysv/linux/aarch64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/alpha/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/alpha/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/arm/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/arm/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/hppa/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/hppa/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/i386/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/i386/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/ia64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/ia64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/microblaze/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/microblaze/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist:
Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/nios2/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/nios2/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist:
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/sh/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sh/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libc.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libm.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libc.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libm.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilepro/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/tile/tilepro/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Likewise.
* sysdeps/i386/fpu/libm-test-ulps: Likewise.
* sysdeps/i386/i686/fpu/multiarch/libm-test-ulps: Likewise.
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This patch continues filling out TS 18661-3 support by adding *f64 and
*f32x function aliases, supporting _Float64 and _Float32x, as aliases
for double functions. These types are supported for all glibc
configurations. The API corresponds exactly to that for _Float128 and
_Float64x. _Float32 aliases to float functions remain to be added in
subsequent patches to complete this process (then there are a few
miscellaneous functions in TS 18661-3 to implement that aren't simply
versions of existing functions for new types).
The patch enables the feature in bits/floatn-common.h, adds symbol
versions and documentation with updates to ABI baselines, and arranges
for the libm functions for the new types to be tested. As with the
_Float64x changes there are some x86 ulps updates because of header
inlines not used for the new types (and one other change to the
non-multiarch libm-test-ulps, which I suppose comes from using a
different compiler version / configuration from when it was last
regenerated).
Tested for x86_64 and x86, and with build-many-glibcs.py, with both
GCC 6 and GCC 7.
* bits/floatn-common.h (__HAVE_FLOAT64): Define to 1.
(__HAVE_FLOAT32X): Likewise.
* manual/math.texi (Mathematics): Document support for _Float64
and _Float32x.
* math/Makefile (test-types): Add float64 and float32x.
* math/Versions (GLIBC_2.27): Add _Float64 and _Float32x
functions.
* stdlib/Versions (GLIBC_2.27): Likewise.
* wcsmbs/Versions (GLIBC_2.27): Likewise.
* sysdeps/unix/sysv/linux/aarch64/libc.abilist: Update.
* sysdeps/unix/sysv/linux/aarch64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/alpha/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/alpha/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/arm/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/arm/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/hppa/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/hppa/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/i386/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/i386/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/ia64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/ia64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/microblaze/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/microblaze/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist:
Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/nios2/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/nios2/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist:
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/sh/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sh/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libc.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libm.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libc.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libm.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilepro/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/tile/tilepro/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Likewise.
* sysdeps/i386/fpu/libm-test-ulps: Likewise.
* sysdeps/i386/i686/fpu/multiarch/libm-test-ulps: Likewise.
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This adds system call wrappers for pkey_alloc, pkey_free, pkey_mprotect,
and x86-64 implementations of pkey_get and pkey_set, which abstract over
the PKRU CPU register and hide the actual number of memory protection
keys supported by the CPU. pkey_mprotect with a -1 key is implemented
using mprotect, so it will work even if the kernel does not support the
pkey_mprotect system call.
The system call wrapers use unsigned int instead of unsigned long for
parameters, so that no special treatment for x32 is needed. The flags
argument is currently unused, and the access rights bit mask is limited
to two bits by the current PKRU register layout anyway.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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Fallback using mlock is provided if the flags argument is zero.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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This patch continues filling out TS 18661-3 support by adding *f64x
function aliases on platforms with _Float64x support. (It so happens
the set of such platforms is exactly the same as the set of platforms
with _Float128 support, although on x86_64, x86 and ia32 the _Float64x
format is Intel extended rather than binary128.) The API provided
corresponds exactly to that provided for _Float128, mostly coming from
TS 18661-3. As these functions always alias those for another type
(long double, _Float128 or both), __* function names are not provided,
as in other cases of alias types.
Given the preparation done in previous patches, this one just enables
the feature via Makeconfig and bits/floatn.h, adds symbol versions,
and updates documentation and ABI baselines. The symbol versions are
present unconditionally as GLIBC_2.27 in the relevant Versions files,
as it's OK for those to specify versions for functions that may not be
present in some configurations; no additional complexity is needed
unless in future some configuration gains support for this type that
didn't have such support in 2.27. The Makeconfig additions for ia64
and x86 aren't strictly needed, as those configurations also get
float64x-alias-fcts definitions from
sysdeps/ieee754/float128/Makeconfig, but still seem appropriate given
that _Float64x is not _Float128 for those configurations.
A libm-test-ulps update for x86 is included. This is because
bits/mathinline.h does not have _Float64x support added and for two
functions the use of out-of-line functions results in increased ulps
(ifloat64x shares ulps with ildouble / ifloat128 as appropriate).
Given that we'd like generally to eliminate bits/mathinline.h
optimizations, preferring to have such optimizations in GCC instead,
it seems reasonable not to add such support there for new types. GCC
support for _FloatN / _FloatNx built-in functions is limited, but has
been improved in GCC 8, and at some point I hope the full set of libm
built-in functions in GCC, and other optimizations with
per-floating-type aspects, will be enabled for all _FloatN / _FloatNx
types.
Tested for x86_64 and x86, and with build-many-glibcs.py, with both
GCC 6 and GCC 7.
* sysdeps/ia64/Makeconfig (float64x-alias-fcts): New variable.
* sysdeps/ieee754/float128/Makeconfig (float64x-alias-fcts):
Likewise.
* sysdeps/ieee754/ldbl-128/Makeconfig (float64x-alias-fcts):
Likewise.
* sysdeps/x86/Makeconfig: New file.
* bits/floatn-common.h (__HAVE_FLOAT64X): Remove macro.
(__HAVE_FLOAT64X_LONG_DOUBLE): Likewise.
* bits/floatn.h (__HAVE_FLOAT64X): New macro.
(__HAVE_FLOAT64X_LONG_DOUBLE): Likewise.
* sysdeps/ia64/bits/floatn.h (__HAVE_FLOAT64X): Likewise.
(__HAVE_FLOAT64X_LONG_DOUBLE): Likewise.
* sysdeps/ieee754/ldbl-128/bits/floatn.h (__HAVE_FLOAT64X):
Likewise.
(__HAVE_FLOAT64X_LONG_DOUBLE): Likewise.
* sysdeps/mips/ieee754/bits/floatn.h (__HAVE_FLOAT64X): Likewise.
(__HAVE_FLOAT64X_LONG_DOUBLE): Likewise.
* sysdeps/powerpc/bits/floatn.h (__HAVE_FLOAT64X): Likewise.
(__HAVE_FLOAT64X_LONG_DOUBLE): Likewise.
* sysdeps/x86/bits/floatn.h (__HAVE_FLOAT64X): Likewise.
(__HAVE_FLOAT64X_LONG_DOUBLE): Likewise.
* manual/math.texi (Mathematics): Document support for _Float64x.
* math/Versions (GLIBC_2.27): Add _Float64x functions.
* stdlib/Versions (GLIBC_2.27): Likewise.
* wcsmbs/Versions (GLIBC_2.27): Likewise.
* sysdeps/unix/sysv/linux/aarch64/libc.abilist: Update.
* sysdeps/unix/sysv/linux/aarch64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/alpha/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/alpha/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/i386/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/i386/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/ia64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/ia64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist:
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Likewise.
* sysdeps/i386/fpu/libm-test-ulps: Likewise.
* sysdeps/i386/i686/fpu/multiarch/libm-test-ulps: Likewise.
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The system call is somewhat obscure because it is closely related
to file descriptor sealing. However, it is also the recommended
way to create alias mappings, which is why it has more general use.
No emulation is provided. Except for the name of the
/proc/self/fd links, it would be possible to implement an
approximation using O_TMPFILE and tmpfs, but this does not appear
to be worth the added complexity.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Reviewed-by: Christian Brauner <christian.brauner@ubuntu.com>
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Verify that sizes, alignments and field offsets of jmp_buf as well as
sigjmp_buf are unchanged regardless how struct __jmp_buf_tag is defined.
Since jmp_buf is target specific, jmp_buf-macros.h is added for each
Linux target. A new target must provides its own jmp_buf-macros.h.
TODO: Hurd needs to provide a jmp_buf-macros.h.
Tested with build-many-glibcs.py.
* include/setjmp.h [!_ISOMAC]: Include <stddef.h> and
<jmp_buf-macros.h>.
[!_ISOMAC] (STR_HELPER): New.
[!_ISOMAC] (STR): Likewise.
[!_ISOMAC] (TEST_SIZE): Likewise.
[!_ISOMAC] (TEST_ALIGN): Likewise.
[!_ISOMAC] (TEST_OFFSET): Likewise.
[!_ISOMAC] Add _Static_assert to check sizes, alignments and
field offsets of jmp_buf as well as sigjmp_buf.
* sysdeps/unix/sysv/linux/aarch64/jmp_buf-macros.h: Likewise.
* sysdeps/unix/sysv/linux/alpha/jmp_buf-macros.h: Likewise.
* sysdeps/unix/sysv/linux/arm/jmp_buf-macros.h: Likewise.
* sysdeps/unix/sysv/linux/hppa/jmp_buf-macros.h: Likewise.
* sysdeps/unix/sysv/linux/i386/jmp_buf-macros.h: Likewise.
* sysdeps/unix/sysv/linux/ia64/jmp_buf-macros.h: Likewise.
* sysdeps/unix/sysv/linux/m68k/jmp_buf-macros.h: Likewise.
* sysdeps/unix/sysv/linux/microblaze/jmp_buf-macros.h: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/jmp_buf-macros.h: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n32/jmp_buf-macros.h:
Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n64/jmp_buf-macros.h:
Likewise.
* sysdeps/unix/sysv/linux/nios2/jmp_buf-macros.h: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/jmp_buf-macros.h:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/jmp_buf-macros.h:
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/jmp_buf-macros.h: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/jmp_buf-macros.h: Likewise.
* sysdeps/unix/sysv/linux/sh/jmp_buf-macros.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/jmp_buf-macros.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/jmp_buf-macros.h: Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/jmp_buf-macros.h:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/jmp_buf-macros.h:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilepro/jmp_buf-macros.h: Likewise.
* sysdeps/unix/sysv/linux/x86_64/64/jmp_buf-macros.h: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/jmp_buf-macros.h: Likewise.
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This patch adds support for *f128 function aliases on platforms where
long double has the binary128 format (and thus GCC 7 provides the
_Float128 type with the same ABI as long double but as a distinct type
in terms of C type compatibility). This is the same API as provided
in glibc 2.26 for powerpc64le / x86_64 / x86 / ia64 where _Float128
has a different format from long double, with the bulk of the API
coming from TS 18661-3. All the functions alias the corresponding
long double functions, and __* function names are not provided since
those are only needed once for each floating-point format, not more
than once for different types with the same format (so for example,
-ffinite-math-only maps foof128 to __fool_finite, while type-generic
macros end up calling e.g. __issignalingl for _Float128 arguments on
such platforms).
The preparation for this feature was done in previous patches, so this
one just needs to add the relevant makefile and header definitions,
and update macro definitions of libm_alias_ldouble_other_r, to turn on
the feature, and update documentation and ABI baselines.
Tested (a) for x86_64, (b) for aarch64, (c) with build-many-glibcs.py
with both GCC 6 and GCC 7.
* sysdeps/ieee754/ldbl-128/Makeconfig: New file.
* sysdeps/ieee754/ldbl-128/bits/floatn.h: Likewise.
* sysdeps/ieee754/ldbl-128/float128-abi.h: Likewise.
* sysdeps/generic/libm-alias-ldouble.h: Include <bits/floatn.h>.
[__HAVE_FLOAT128 && !__HAVE_DISTINCT_FLOAT128]
(libm_alias_ldouble_other_r): Also create _Float128 alias.
* sysdeps/ieee754/ldbl-opt/libm-alias-ldouble.h: Include
<bits/floatn.h>.
[__HAVE_FLOAT128 && !__HAVE_DISTINCT_FLOAT128]
(libm_alias_ldouble_other_r): Also create _Float128 alias.
* manual/math.texi (Mathematics): Document additional architecture
support for _Float128.
* sysdeps/unix/sysv/linux/aarch64/libc.abilist: Update.
* sysdeps/unix/sysv/linux/aarch64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/alpha/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/alpha/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Likewise.
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Current GLIBC has two ways to implement the single thread optimization
on syscalls to avoid calling the cancellation path: either by using
global variables (__{libc,pthread}_multiple_thread) or by accessing
the TCB field (defined by TLS_MULTIPLE_THREADS_IN_TCB). Both the
variables and the macros to acces its value are defined in the
architecture sysdep-cancel.h header.
This patch consolidates its definition on only one header,
sysdeps/unix/sysv/linux/sysdep-cancel.h, and adds a new define
(SINGLE_THREAD_BY_GLOBAL) which the architecture defines if it prefer
to use the global variables instead of the TCB field. This is an
optimization, so if the architecture does not define it, the TCB
method will be used as default.
Checked on x86_64-linux-gnu and on a build with major touched
ABIs (aarch64-linux-gnu, alpha-linux-gnu, arm-linux-gnueabihf,
hppa-linux-gnu, i686-linux-gnu, m68k-linux-gnu, microblaze-linux-gnu,
mips-linux-gnu, mips64-linux-gnu, powerpc-linux-gnu,
powerpc64le-linux-gnu, s390-linux-gnu, s390x-linux-gnu, sh4-linux-gnu,
sparcv9-linux-gnu, sparc64-linux-gnu, tilegx-linux-gnu).
* sysdeps/unix/sysv/linux/aarch64/sysdep-cancel.h: Remove file.
* sysdeps/unix/sysv/linux/alpha/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/arm/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/hppa/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/mips/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/nios2/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/powerpc/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/sh/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/tile/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/x86_64/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h
(SINGLE_THREAD_BY_GLOBAL): Define.
* sysdeps/unix/sysv/linux/aarch64/sysdep.h (SINGLE_THREAD_BY_GLOBAL):
Likewise.
* sysdeps/unix/sysv/linux/alpha/sysdep.h (SINGLE_THREAD_BY_GLOBAL):
Likewise.
* sysdeps/unix/sysv/linux/arm/sysdep.h (SINGLE_THREAD_BY_GLOBAL):
Likewise.
* sysdeps/unix/sysv/linux/hppa/sysdep.h (SINGLE_THREAD_BY_GLOBAL):
Likewise.
* sysdeps/unix/sysv/linux/microblaze/sysdep.h
(SINGLE_THREAD_BY_GLOBAL): Likewise.
* sysdeps/unix/sysv/linux/x86_64/sysdep.h (SINGLE_THREAD_BY_GLOBAL):
Likewise.
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This patch changes the logf, log2f and powf error handling semantics
to only set errno accoring to POSIX rules. New symbol version is
introduced at GLIBC_2.27.
The old wrappers are kept for compat symbols.
ia64 needed assembly change to have the new and compat versioned
symbol map to the same function.
All linux libm abilists are updated.
* math/Versions (logf): New libm symbol at GLIBC_2.27.
(log2f): Likewise.
(powf): Likewise.
* math/w_log2f.c: New file.
* math/w_logf.c: New file.
* math/w_powf.c: New file.
* math/w_log2f_compat.c (__log2f_compat): For compat symbol only.
* math/w_logf_compat.c (__logf_compat): Likewise.
* math/w_powf_compat.c (__powf_compat): Likewise.
* sysdeps/ia64/fpu/e_log2f.S: Add versioned symbols.
* sysdeps/ia64/fpu/e_logf.S: Likewise.
* sysdeps/ia64/fpu/e_powf.S: Likewise.
* sysdeps/unix/sysv/linux/aarch64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/alpha/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/arm/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/hppa/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/i386/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/ia64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/microblaze/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/nios2/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist:
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/sh/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libm.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libm.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilepro/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Likewise.
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