mirror of git://sourceware.org/git/glibc.git
795 Commits
| Author | SHA1 | Message | Date |
|---|---|---|---|
Joseph Myers
|
ec94343f59 |
Add femode_t functions.
TS 18661-1 defines a type femode_t to represent the set of dynamic floating-point control modes (such as the rounding mode and trap enablement modes), and functions fegetmode and fesetmode to manipulate those modes (without affecting other state such as the raised exception flags) and a corresponding macro FE_DFL_MODE. This patch series implements those interfaces for glibc. This first patch adds the architecture-independent pieces, the x86 and x86_64 implementations, and the <bits/fenv.h> and ABI baseline updates for all architectures so glibc keeps building and passing the ABI tests on all architectures. Subsequent patches add the fegetmode and fesetmode implementations for other architectures. femode_t is generally an integer type - the same type as fenv_t, or as the single element of fenv_t where fenv_t is a structure containing a single integer (or the single relevant element, where it has elements for both status and control registers) - except where architecture properties or consistency with the fenv_t implementation indicate otherwise. FE_DFL_MODE follows FE_DFL_ENV in whether it's a magic pointer value (-1 cast to const femode_t *), a value that can be distinguished from valid pointers by its high bits but otherwise contains a representation of the desired register contents, or a pointer to a constant variable (the powerpc case; __fe_dfl_mode is added as an exported constant object, an alias to __fe_dfl_env). Note that where architectures (that share a register between control and status bits) gain definitions of new floating-point control or status bits in future, the implementations of fesetmode for those architectures may need updating (depending on whether the new bits are control or status bits and what the implementation does with previously unknown bits), just like existing implementations of <fenv.h> functions that take care not to touch reserved bits may need updating when the set of reserved bits changes. (As any new bits are outside the scope of ISO C, that's just a quality-of-implementation issue for supporting them, not a conformance issue.) As with fenv_t, femode_t should properly include any software DFP rounding mode (and for both fenv_t and femode_t I'd consider that fragment of DFP support appropriate for inclusion in glibc even in the absence of the rest of libdfp; hardware DFP rounding modes should already be included if the definitions of which bits are status / control bits are correct). Tested for x86_64, x86, mips64 (hard float, and soft float to test the fallback version), arm (hard float) and powerpc (hard float, soft float and e500). Other architecture versions are untested. * math/fegetmode.c: New file. * math/fesetmode.c: Likewise. * sysdeps/i386/fpu/fegetmode.c: Likewise. * sysdeps/i386/fpu/fesetmode.c: Likewise. * sysdeps/x86_64/fpu/fegetmode.c: Likewise. * sysdeps/x86_64/fpu/fesetmode.c: Likewise. * math/fenv.h: Update comment on inclusion of <bits/fenv.h>. [__GLIBC_USE (IEC_60559_BFP_EXT)] (fegetmode): New function declaration. [__GLIBC_USE (IEC_60559_BFP_EXT)] (fesetmode): Likewise. * bits/fenv.h [__GLIBC_USE (IEC_60559_BFP_EXT)] (femode_t): New typedef. [__GLIBC_USE (IEC_60559_BFP_EXT)] (FE_DFL_MODE): New macro. * sysdeps/aarch64/bits/fenv.h [__GLIBC_USE (IEC_60559_BFP_EXT)] (femode_t): New typedef. [__GLIBC_USE (IEC_60559_BFP_EXT)] (FE_DFL_MODE): New macro. * sysdeps/alpha/fpu/bits/fenv.h [__GLIBC_USE (IEC_60559_BFP_EXT)] (femode_t): New typedef. [__GLIBC_USE (IEC_60559_BFP_EXT)] (FE_DFL_MODE): New macro. * sysdeps/arm/bits/fenv.h [__GLIBC_USE (IEC_60559_BFP_EXT)] (femode_t): New typedef. [__GLIBC_USE (IEC_60559_BFP_EXT)] (FE_DFL_MODE): New macro. * sysdeps/hppa/fpu/bits/fenv.h [__GLIBC_USE (IEC_60559_BFP_EXT)] (femode_t): New typedef. [__GLIBC_USE (IEC_60559_BFP_EXT)] (FE_DFL_MODE): New macro. * sysdeps/ia64/bits/fenv.h [__GLIBC_USE (IEC_60559_BFP_EXT)] (femode_t): New typedef. [__GLIBC_USE (IEC_60559_BFP_EXT)] (FE_DFL_MODE): New macro. * sysdeps/m68k/fpu/bits/fenv.h [__GLIBC_USE (IEC_60559_BFP_EXT)] (femode_t): New typedef. [__GLIBC_USE (IEC_60559_BFP_EXT)] (FE_DFL_MODE): New macro. * sysdeps/microblaze/bits/fenv.h [__GLIBC_USE (IEC_60559_BFP_EXT)] (femode_t): New typedef. [__GLIBC_USE (IEC_60559_BFP_EXT)] (FE_DFL_MODE): New macro. * sysdeps/mips/bits/fenv.h [__GLIBC_USE (IEC_60559_BFP_EXT)] (femode_t): New typedef. [__GLIBC_USE (IEC_60559_BFP_EXT)] (FE_DFL_MODE): New macro. * sysdeps/nios2/bits/fenv.h [__GLIBC_USE (IEC_60559_BFP_EXT)] (femode_t): New typedef. [__GLIBC_USE (IEC_60559_BFP_EXT)] (FE_DFL_MODE): New macro. * sysdeps/powerpc/bits/fenv.h [__GLIBC_USE (IEC_60559_BFP_EXT)] (femode_t): New typedef. [__GLIBC_USE (IEC_60559_BFP_EXT)] (__fe_dfl_mode): New variable declaration. [__GLIBC_USE (IEC_60559_BFP_EXT)] (FE_DFL_MODE): New macro. * sysdeps/s390/fpu/bits/fenv.h [__GLIBC_USE (IEC_60559_BFP_EXT)] (femode_t): New typedef. [__GLIBC_USE (IEC_60559_BFP_EXT)] (FE_DFL_MODE): New macro. * sysdeps/sh/bits/fenv.h [__GLIBC_USE (IEC_60559_BFP_EXT)] (femode_t): New typedef. [__GLIBC_USE (IEC_60559_BFP_EXT)] (FE_DFL_MODE): New macro. * sysdeps/sparc/fpu/bits/fenv.h [__GLIBC_USE (IEC_60559_BFP_EXT)] (femode_t): New typedef. [__GLIBC_USE (IEC_60559_BFP_EXT)] (FE_DFL_MODE): New macro. * sysdeps/tile/bits/fenv.h [__GLIBC_USE (IEC_60559_BFP_EXT)] (femode_t): New typedef. [__GLIBC_USE (IEC_60559_BFP_EXT)] (FE_DFL_MODE): New macro. * sysdeps/x86/fpu/bits/fenv.h [__GLIBC_USE (IEC_60559_BFP_EXT)] (femode_t): New typedef. [__GLIBC_USE (IEC_60559_BFP_EXT)] (FE_DFL_MODE): New macro. * manual/arith.texi (FE_DFL_MODE): Document macro. (fegetmode): Document function. (fesetmode): Likewise. * math/Versions (fegetmode): New libm symbol at version GLIBC_2.25. (fesetmode): Likewise. * math/Makefile (libm-support): Add fegetmode and fesetmode. (tests): Add test-femode and test-femode-traps. * math/test-femode-traps.c: New file. * math/test-femode.c: Likewise. * sysdeps/powerpc/fpu/fenv_const.c (__fe_dfl_mode): Declare as alias for __fe_dfl_env. * sysdeps/powerpc/nofpu/fenv_const.c (__fe_dfl_mode): Likewise. * sysdeps/powerpc/powerpc32/e500/nofpu/fenv_const.c (__fe_dfl_mode): Likewise. * sysdeps/powerpc/Versions (__fe_dfl_mode): New libm symbol at version GLIBC_2.25. * sysdeps/nacl/libm.abilist: Update. * 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/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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|
Joseph Myers
|
780257d48d |
Add fetestexceptflag.
TS 18661-1 defines an fetestexceptflag function to test the exception state saved in an fexcept_t object by fegetexceptflag. This patch implements this function for glibc. Almost all architectures save exception state in such a way that it can be directly ANDed with exception flag bits, so rather than having lots of fetestexceptflag implementations that all do the same thing, the math/ implementation is made to use this generic logic (which is also OK in the fallback case where FE_ALL_EXCEPT is zero). The only architecture that seems to need anything different is s390. (fegetexceptflag and fesetexceptflag use abbreviated filenames fgetexcptflg.c and fsetexcptflg.c. Because we are no longer concerned by 14-character filename limits, fetestexceptflag uses the obvious filename fetestexceptflag.c.) The NEWS entry is intended to be expanded along the lines given in <https://sourceware.org/ml/libc-alpha/2016-08/msg00356.html> when fegetmode and fesetmode are added. Tested for x86_64, x86, mips64 and powerpc. * math/fetestexceptflag.c: New file. * sysdeps/s390/fpu/fetestexceptflag.c: Likewise. Comment by Stefan Liebler. * math/fenv.h [__GLIBC_USE (IEC_60559_BFP_EXT)] (fetestexceptflag): New function declaration. * manual/arith.texi (fetestexceptflag): Document function. * math/Versions (fetestexceptflag): New libm symbol at version GLIBC_2.25. * math/Makefile (libm-support): Add fetestexceptflag. (tests): Add test-fetestexceptflag. * math/test-fetestexceptflag.c: New file. * sysdeps/nacl/libm.abilist: Update. * 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/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. |
|
Florian Weimer
|
d9067fca40 |
Do not override objects in libc.a in other static libraries [BZ #20452]
With this change, we no longer add sysdep.o and similar objects which are present in libc.a to other static libraries. |
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Joseph Myers
|
5146356f5a |
Add fesetexcept.
TS 18661-1 defines an fesetexcept function for setting floating-point exception flags without the side-effect of causing enabled traps to be taken. This patch series implements this function for glibc. The present patch adds the fallback stub implementation, x86 and x86_64 implementations, documentation, tests and ABI baseline updates. The remaining patches, some of them untested, add implementations for other architectures. The implementations generally follow those of the fesetexceptflag function. As for fesetexceptflag, the approach taken for architectures where setting flags causes enabled traps to be taken is to set the flags (and potentially cause traps) rather than refusing to set the flags and returning an error. Since ISO C and TS 18661 provide no way to enable traps, this is formally in accordance with the standards. The NEWS entry should be considered a placeholder, since this patch series is intended to be followed by further such series adding other TS 18661-1 features, so that the NEWS entry would end up looking more like * New <fenv.h> features from TS 18661-1:2014 are added to libm: the fesetexcept, fetestexceptflag, fegetmode and fesetmode functions, the femode_t type and the FE_DFL_MODE macro. with hopefully more such entries for other features, rather than having an entry for a single function in the end. I believe we have consensus for adding TS 18661-1 interfaces as per <https://sourceware.org/ml/libc-alpha/2016-06/msg00421.html>. Tested for x86_64, x86, mips64 (hard float, and soft float to test the fallback version), arm (hard float) and powerpc (hard float, soft float and e500). * math/fesetexcept.c: New file. * sysdeps/i386/fpu/fesetexcept.c: Likewise. * sysdeps/x86_64/fpu/fesetexcept.c: Likewise. * math/fenv.h: Define __GLIBC_INTERNAL_STARTING_HEADER_IMPLEMENTATION and include <bits/libc-header-start.h> instead of including <features.h>. [__GLIBC_USE (IEC_60559_BFP_EXT)] (fesetexcept): New function declaration. * manual/arith.texi (fesetexcept): Document function. * math/Versions (fesetexcept): New libm symbol at version GLIBC_2.25. * math/Makefile (libm-support): Add fesetexcept. (tests): Add test-fesetexcept and test-fesetexcept-traps. * math/test-fesetexcept.c: New file. * math/test-fesetexcept-traps.c: Likewise. * sysdeps/nacl/libm.abilist: Update. * 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/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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Florian Weimer
|
e67330ab57 |
x86: Use sysdep.o from libc.a in static libraries
Static libraries can use the sysdep.o copy in libc.a without a performance penalty. This results in a visible difference if libpthread.a is relinked into a single object file (which is needed to support libraries which check for the presence of certain symbols to enable threading support, which generally fails with static linking unless libpthread.a is relinked). |
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Zack Weinberg
|
63eb8df85a |
Minimize sysdeps code involved in defining major/minor/makedev.
Presently sys/sysmacros.h is entirely defined in sysdeps. This would
mean that the deprecation logic coming up in the next patch would have
to be written twice (in generic/ and unix/sysv/linux/). To avoid that,
hoist all but the unavoidably system-dependent logic to misc/, leaving a
bits/ header behind. This also promotes the Linux-specific encoding of
dev_t, which accommodates 32-bit major and minor numbers in a 64-bit dev_t,
to generic, as glibc's dev_t is always 64 bits wide.
The former Linux implementation used inline functions to avoid evaluating
arguments more than once. After this change, all platforms use inline
functions, which means that three new symbols are added to the generic ABI.
(These symbols are in the user namespace, which is how they have always
been on Linux. They begin with "gnu_dev_", so collisions with user code
are pretty unlikely.)
New ports henceforth need only provide a bits/sysmacros.h defining
internal macros __SYSMACROS_{DECLARE,DEFINE}_{MAJOR,MINOR,MAKEDEV}.
This is only necessary if the kernel encoding is incompatible with
the now-generic encoding (for instance, it would be necessary for
FreeBSD).
While I was at it, I added a basic round-trip test for these functions.
* sysdeps/generic/sys/sysmacros.h: Delete file.
* sysdeps/unix/sysv/linux/makedev.c: Delete file.
* sysdeps/unix/sysv/linux/sys/sysmacros.h: Move file ...
* bits/sysmacros.h: ... here; this encoding is now the generic
encoding. Now defines only the following macros:
__SYSMACROS_DECLARE_MAJOR, __SYSMACROS_DEFINE_MAJOR,
__SYSMACROS_DECLARE_MINOR, __SYSMACROS_DEFINE_MINOR,
__SYSMACROS_DECLARE_MAKEDEV, __SYSMACROS_DEFINE_MAKEDEV.
* misc/sys/sysmacros.h, misc/makedev.c: New files that use
bits/sysmacros.h and the above new macros to generate the
public implementations of major, minor, and makedev.
* misc/tst-makedev.c: New test.
* include/sys/sysmacros.h: New wrapper.
* misc/Makefile (headers): Add sys/sysmacros.h, bits/sysmacros.h.
(routines): Add makedev.
(tests): Add tst-makedev.
* misc/Versions [GLIBC_2.25]: Add gnu_dev_major, gnu_dev_minor,
gnu_dev_makedev.
* posix/Makefile (headers): Remove sys/sysmacros.h.
* sysdeps/unix/sysv/linux/Makefile (sysdep_routines): Remove makedev.
* sysdeps/arm/nacl/libc.abilist: Add GLIBC_2.25,
gnu_dev_major, gnu_dev_makedev, gnu_dev_minor.
* sysdeps/unix/sysv/linux/aarch64/libc.abilist
* sysdeps/unix/sysv/linux/alpha/libc.abilist
* sysdeps/unix/sysv/linux/arm/libc.abilist
* sysdeps/unix/sysv/linux/hppa/libc.abilist
* sysdeps/unix/sysv/linux/i386/libc.abilist
* sysdeps/unix/sysv/linux/ia64/libc.abilist
* sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist
* sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist
* sysdeps/unix/sysv/linux/microblaze/libc.abilist
* sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist
* sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist
* sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist
* sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist
* sysdeps/unix/sysv/linux/nios2/libc.abilist
* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist
* sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist
* sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist
* sysdeps/unix/sysv/linux/sh/libc.abilist
* sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist
* sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libc.abilist
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libc.abilist
* sysdeps/unix/sysv/linux/tile/tilepro/libc.abilist
* sysdeps/unix/sysv/linux/x86_64/64/libc.abilist
* sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist:
Add GLIBC_2.25.
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Rajalakshmi Srinivasaraghavan
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41a359e22f |
Add nextup and nextdown math functions
TS 18661 adds nextup and nextdown functions alongside nextafter to provide support for float128 equivalent to it. This patch adds nextupl, nextup, nextupf, nextdownl, nextdown and nextdownf to libm before float128 support. The nextup functions return the next representable value in the direction of positive infinity and the nextdown functions return the next representable value in the direction of negative infinity. These are currently enabled as GNU extensions. |
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Adhemerval Zanella
|
78880cc185 |
Revert {send,sendm,recv,recvm}msg conformance changes
After some discussion in libc-alpha about this POSIX compliance fix, I see
that GLIBC should indeed revert back to previous definition of msghdr and
cmsghdr and implementation of sendmsg, recvmsg, sendmmsg, recvmmsg due some
reasons:
* The possible issue where the syscalls wrapper add the compatibility
layer is quite limited in scope and range. And kernel current
also add some limits to the values on the internal msghdr and
cmsghdr fields:
- msghdr::msg_iovlen larger than UIO_MAXIOV (1024) returns
EMSGSIZE.
- msghdr::msg_controllen larger than INT_MAX returns ENOBUFS.
* There is a small performance hit for recvmsg/sendmsg/recmmsg which
is neglectable, but it is a big hit for sendmmsg since now instead
of calling the syscall for the packed structure, GLIBC is calling
multiple sendmsg. This defeat the very existence of the syscall.
* It currently breaks libsanitizer build on GCC [1] (I fixed on compiler-rt).
However the fix is incomplete because it does add any runtime check
since libsanitizer currently does not have any facility to intercept
symbols with multiple version [2].
This, along with incorret dlsym/dlvsym return for versioned symbol due
another bug [3], makes hard to interpose versioned symbols.
Also, current approach of fixing GCC PR#71445 leads to half-baked
solutions without versioned symbol interposing.
This patch basically reverts commits
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Carlos O'Donell
|
47dd3543d3 |
Bug 20198: quick_exit should not call destructors.
In C++11 18.5.12 says "Objects shall not be destroyed as a result of calling quick_exit." In C11 quick_exit is silent about thread object destruction. Therefore to make glibc C++ compliant we do not call any thread local destructors. A new regression test verifies the fix. I will note that C++11 18.5.3 makes it clear that C++ defines additional requirements for _Exit() to prevent it from executing destructors. Given that the point of _Exit() is to terminate the process immediately it makes sense the C and C++ should line up and avoid calling destructors. No failures. New regtest passes. |
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Adhemerval Zanella
|
2f0dc39029 |
network: Fix missing bits from {recv,send}{m}msg standard com,pliance
This patch fixes wrong/missing bits from the Fix {recv,send}{m}msg
standard compliance (BZ#16919) patches:
* nptl/Makefile sets CFLAGS-oldrecvfrom.c, but there's no such file as
oldrecvfrom.c. It should be oldsendmsg.c as defined by ChangeLog.
* sysdeps/unix/sysv/linux/hppa/Versions and
sysdeps/unix/sysv/linux/i386/Versions list a symbol recvms instead of
recvmsg at version GLIBC_2.24.
* nptl/Makefile (CFLAGS-oldrecvfrom.c): Remove rule.
(CFLAGS-oldsendmsg.c): Add rule.
* sysdeps/unix/sysv/linux/hppa/Versions [libc] (GLIBC_2.24):
Correct recvmsg symbol name.
* sysdeps/unix/sysv/linux/i386/Versions [libc] (GLIBC_2.24):
Likewise.
|
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Adhemerval Zanella
|
af7f7c7ec8 |
network: recvmsg and sendmsg standard compliance (BZ#16919)
POSIX specifies that both msghdr::msg_iovlen and msghdr::msg_controllen to be of size int and socklen_t respectively. However Linux defines it as both size_t and for 64-bit it requires some adjustments to make the functions standard compliance. This patch fixes it by creating a temporary header and zeroing the pad fields for 64-bits architecture where size of size_t exceeds the size of the int. Also the new recvmsg and sendmsg implementation is only added on libc, with libpthread only containing a compat symbol. Tested on x86_64, i686, aarch64, armhf, and powerpc64le. * conform/data/sys/socket.h-data (msghdr.msg_iovlen): Remove xfail- and change to correct expected type. (msghdr.msg_controllen): Likewise. (cmsghdr.cmsg_len): Likewise. * sysdeps/unix/sysv/linux/bits/socket.h (msghdr.msg_iovlen): Fix expected POSIX assumption about the size. (msghdr.msg_controllen): Likewise. (msghdr.__glibc_reserved1): Likewise. (msghdr.__glibc_reserved2): Likewise. (cmsghdr.cmsg_len): Likewise. (cmsghdr.__glibc_reserved1): Likewise. * nptl/Makefile (libpthread-routines): Remove ptw-recvmsg and ptw-sendmsg. Add ptw-oldrecvmsg and ptw-oldsendmsg. (CFLAGS-sendmsg.c): Remove rule. (CFLAGS-recvmsg.c): Likewise. (CFLAGS-oldsendmsg.c): Add rule. (CFLAGS-oldrecvmsg.c): Likewise. * sysdeps/unix/sysv/linux/alpha/Versions [libc] (GLIBC_2.24): Add recvmsg and sendmsg. * sysdeps/unix/sysv/linux/aarch64/Version [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/arm/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/hppa/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/i386/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/ia64/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/m68k/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/microblaze/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/mips/mips32/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n32/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/mips/mips64/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/nios2/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/powerpc/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/sh/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/sparc/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/Versions [libc] (GLIBC_2.24): Likewise. ( sysdeps/unix/sysv/linux/tile/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/Versions [libc] (GLIBC_2.24): Likewise. ( sysdeps/unix/sysv/linux/x86_64/64/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/x84_64/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/Makefile [$(subdir) = socket)] (sysdep_headers): Add oldrecvmsg and oldsendmsg. (CFLAGS-sendmsg.c): Add rule. (CFLAGS-recvmsg.c): Likewise. (CFLAGS-oldsendmsg.c): Likewise. (CFLAGS-oldrecvmsg.c): Likewise. * sysdeps/unix/sysv/linux/check_native.c (__check_native): Fix msghdr initialization. * sysdeps/unix/sysv/linux/check_pf.c (make_request): Likewise. * sysdeps/unix/sysv/linux/ifaddrs.c (__netlink_request): Likewise. * sysdeps/unix/sysv/linux/oldrecvmsg.c: New file. * sysdeps/unix/sysv/linux/oldsendmsg.c: Likewise. * sysdeps/unix/sysv/linux/recvmsg.c (__libc_recvmsg): Adjust msghdr iovlen and controllen fields to adjust to POSIX specification. * sysdeps/unix/sysv/linux/sendmsg.c (__libc_sendmsg): Likewise. * sysdeps/unix/sysv/linux/aarch64/libc.abilist: New version and added recvmsg and sendmsg. * sysdeps/unix/sysv/linux/alpha/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/linux/powerpc/powerpc32/nofpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist: Likewise. * sysdepe/unix/sysv/linux/powerpc/powerpc64/libc.abilist: Likewise. Likewise. 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/sparc/sparc64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilepro/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libc.abilist: Likewise. Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist: Likewise. |
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Adhemerval Zanella
|
abf29edd4a |
Adjust kernel-features.h defaults for recvmsg and sendmsg
This patch removes the auto-generation for recvmsg and sendmsg syscall
and adjust the kernel-features.h for all architectures supported on
Linux. This patch follows the idea of 'Adjust kernel-features.h defaults
for socket syscalls.' (
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Florian Weimer
|
5171f3079f |
CVE-2016-1234: glob: Do not copy d_name field of struct dirent [BZ #19779]
Instead, we store the data we need from the return value of readdir in an object of the new type struct readdir_result. This type is independent of the layout of struct dirent. |
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Adhemerval Zanella
|
0cb313f7cb |
Fix clone (CLONE_VM) pid/tid reset (BZ#19957)
As discussed in libc-alpha [1] current clone with CLONE_VM (without
CLONE_THREAD set) will reset the pthread pid/tid fields to -1. The
issue is since memory is shared between the parent and child it will
clobber parent's cached pid/tid leading to internal inconsistencies
if the value is not restored.
And even it is restored it may lead to racy conditions when between
set/restore a thread might invoke pthread function that validate the
pthread with INVALID_TD_P/INVALID_NOT_TERMINATED_TD_P and thus get
wrong results.
As stated in BZ19957, previously reports of this behaviour was close
with EWONTFIX due the fact usage of clone outside glibc is tricky
since glibc requires consistent internal pthread, while using clone
directly may not provide it. However since now posix_spawn uses
clone (CLONE_VM) to fixes various issues related to previous vfork
usage this issue requires fixing.
The vfork implementation also does something similar, but instead
it negates and restores only the *pid* field and functions that
might access its value know to handle such case (getpid, raise
and pthread ones that uses INVALID_TD_P/INVALID_NOT_TERMINATED_TD_P
macros that check only *tid* field). Also vfork does not call
__clone directly, instead calling either __NR_vfork or __NR_clone
directly.
So this patch removes this clone behavior by avoiding setting
the pthread pid/tid field for CLONE_VM. There is no need to
check for CLONE_THREAD, since the minimum supported kernel in all
architecture implies that CLONE_VM must be used with CLONE_THREAD,
otherwise clone returns EINVAL.
Instead of current approach of:
int clone(int (*fn)(void *), void *child_stack, int flags, ...)
[...]
if (flags & CLONE_THREAD)
goto do_syscall;
pid_t new_value;
if (flags & CLONE_VM)
new_value = -1;
else
new_value = getpid ();
THREAD_SETMEM (THREAD_SELF, pid, new_value);
THREAD_SETMEM (THREAD_SELF, tid, new_value);
do_syscall:
[...]
The new approach uses:
int clone(int (*fn)(void *), void *child_stack, int flags, ...)
[...]
if (flags & CLONE_VM)
goto do_syscall;
pid_t new_value = getpid ();
THREAD_SETMEM (THREAD_SELF, pid, new_value);
THREAD_SETMEM (THREAD_SELF, tid, new_value);
do_syscall:
[...]
It also removes the linux tst-getpid2.c test which expects the previous
behavior and instead add another clone test.
Tested on x86_64, i686, x32, powerpc64le, aarch64, armhf, s390, and
s390x. I also did limited check on mips32 and sparc64 (using the new
added test).
I also got reviews from both m68k, hppa, and tile. So I presume for
these architecture the patch works.
The fixes for alpha, microblaze, sh, ia64, and nio2 have not been
tested.
[1] https://sourceware.org/ml/libc-alpha/2016-04/msg00307.html
* sysdeps/unix/sysv/linux/Makefile [$(subdir) == nptl] (test): Remove
tst-getpid2.
(test): Add tst-clone2.
* sysdeps/unix/sysv/linux/tst-clone2.c: New file.
* sysdeps/unix/sysv/linux/aarch64/clone.S (__clone): Do not change
pid/tid fields for CLONE_VM.
* sysdeps/unix/sysv/linux/arm/clone.S: Likewise.
* sysdeps/unix/sysv/linux/i386/clone.S: Likewise.
* sysdeps/unix/sysv/linux/mips/clone.S: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/clone.S: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/clone.S: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/clone.S: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/clone.S: Likewise.
* sysdeps/unix/sysv/linux/x86_64/clone.S: Likewise.
* sysdeps/unix/sysv/linux/tst-getpid2.c: Remove file.
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Nick Alcock
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7a25d6a84d |
x86, pthread_cond_*wait: Do not depend on %eax not being clobbered
The x86-specific versions of both pthread_cond_wait and pthread_cond_timedwait have (in their fall-back-to-futex-wait slow paths) calls to __pthread_mutex_cond_lock_adjust followed by __pthread_mutex_unlock_usercnt, which load the parameters before the first call but then assume that the first parameter, in %eax, will survive unaffected. This happens to have been true before now, but %eax is a call-clobbered register, and this assumption is not safe: it could change at any time, at GCC's whim, and indeed the stack-protector canary checking code clobbers %eax while checking that the canary is uncorrupted. So reload %eax before calling __pthread_mutex_unlock_usercnt. (Do this unconditionally, even when stack-protection is not in use, because it's the right thing to do, it's a slow path, and anything else is dicing with death.) * sysdeps/unix/sysv/linux/i386/pthread_cond_timedwait.S: Reload call-clobbered %eax on retry path. * sysdeps/unix/sysv/linux/i386/pthread_cond_wait.S: Likewise. |
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Joseph Myers
|
35ade9f11b |
Adjust kernel-features.h defaults for socket syscalls.
This patch adjusts the defaults for kernel-features.h macros relating to availability of accept4, recvmmsg and sendmmsg. It is not intended to affect which macros end up getting defined in any configuration. At present, all architectures with syscalls for those functions need to define __ASSUME_*_SYSCALL macros; in particular, any new architecture needs its own kernel-features.h file for that purpose, though it may not otherwise need such a header. Those macros are then used together with __ASSUME_SOCKETCALL to define macros for whether the functions in question are available. This patch changes the defaults so that the syscalls are assumed to be available by default with recent-enough kernels, and it is the responsibility of architecture headers to undefine the macros if they are unavailable in supported kernels at least as recent as the version where the architecture-independent functionality was introduced. The __ASSUME_<function> macros are defaulted similarly instead of being defined based on other macros (defining based on other macros would no longer work because the #undefs appear after the generic header is included), so where the syscall being unavailable means the function is unavailable this means the architecture header has to undefine the __ASSUME_<function> macro; this only affects __ASSUME_ACCEPT4 for ia64, as other cases where the syscalls were added late enough to be relevant with current kernel version requirements are all on socketcall architectures. As a consequence, the AArch64 and Nios II kernel-features.h header files are removed, and others simplified. When the minimum kernel version becomes 4.3 or later on all architectures, the syscalls in question can just be assumed unconditionally, permitting further simplification. Tested for x86_64, x86 and powerpc (that installed shared libraries are unchanged by the patch, and testsuite for x86_64 and x86). * sysdeps/unix/sysv/linux/kernel-features.h (__ASSUME_ACCEPT4_SYSCALL): Define unconditionally. (__ASSUME_ACCEPT4): Likewise. [__LINUX_KERNEL_VERSION >= 0x020621] (__ASSUME_RECVMMSG_SYSCALL): Define. [__LINUX_KERNEL_VERSION >= 0x020621] (__ASSUME_RECVMMSG): Likewise. [__LINUX_KERNEL_VERSION >= 0x030000] (__ASSUME_SENDMMSG_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x030000] (__ASSUME_SENDMMSG): Likewise. * sysdeps/unix/sysv/linux/aarch64/kernel-features.h: Remove file. * sysdeps/unix/sysv/linux/nios2/kernel-features.h: Likewise. * sysdeps/unix/sysv/linux/alpha/kernel-features.h (__ASSUME_RECVMMSG_SYSCALL): Do not define. (__ASSUME_ACCEPT4_SYSCALL): Likewise. (__ASSUME_SENDMMSG_SYSCALL): Likewise. * sysdeps/unix/sysv/linux/arm/kernel-features.h (__ASSUME_RECVMMSG_SYSCALL): Likewise. (__ASSUME_ACCEPT4_SYSCALL): Likewise. (__ASSUME_SENDMMSG_SYSCALL): Likewise. * sysdeps/unix/sysv/linux/hppa/kernel-features.h (__ASSUME_ACCEPT4_SYSCALL): Likewise. (__ASSUME_RECVMMSG_SYSCALL): Likewise. (__ASSUME_SENDMMSG_SYSCALL): Likewise. * sysdeps/unix/sysv/linux/i386/kernel-features.h [__LINUX_KERNEL_VERSION >= 0x020621] (__ASSUME_RECVMMSG_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x030000] (__ASSUME_SENDMMSG_SYSCALL): Likewise. (__ASSUME_ACCEPT4_SYSCALL): Undefine if [__LINUX_KERNEL_VERSION < 0x040300] instead of defining if [__LINUX_KERNEL_VERSION >= 0x040300]. * sysdeps/unix/sysv/linux/ia64/kernel-features.h (__ASSUME_RECVMMSG_SYSCALL): Do not define. (__ASSUME_SENDMMSG_SYSCALL): Likewise. (__ASSUME_ACCEPT4_SYSCALL): Undefine if [__LINUX_KERNEL_VERSION < 0x030300] instead of defining if [__LINUX_KERNEL_VERSION >= 0x030300]. [__LINUX_KERNEL_VERSION < 0x030300] (__ASSUME_ACCEPT4): Undefine. * sysdeps/unix/sysv/linux/m68k/kernel-features.h (__ASSUME_ACCEPT4_SYSCALL): Undefine if [__LINUX_KERNEL_VERSION < 0x040300] instead of defining if [__LINUX_KERNEL_VERSION >= 0x040300]. (__ASSUME_RECVMMSG_SYSCALL): Likewise. (__ASSUME_SENDMMSG_SYSCALL): Likewise. * sysdeps/unix/sysv/linux/microblaze/kernel-features.h (__ASSUME_ACCEPT4_SYSCALL): Do not define. (__ASSUME_RECVMMSG_SYSCALL): Likewise. (__ASSUME_SENDMMSG_SYSCALL): Undefine if [__LINUX_KERNEL_VERSION < 0x030300] instead of defining if [__LINUX_KERNEL_VERSION >= 0x030300]. * sysdeps/unix/sysv/linux/mips/kernel-features.h (__ASSUME_ACCEPT4_SYSCALL): Do not define. (__ASSUME_RECVMMSG_SYSCALL): Likewise. (__ASSUME_SENDMMSG_SYSCALL): Likewise. * sysdeps/unix/sysv/linux/powerpc/kernel-features.h (__ASSUME_ACCEPT4_SYSCALL): Likewise. (__ASSUME_RECVMMSG_SYSCALL): Likewise. (__ASSUME_SENDMMSG_SYSCALL): Likewise. * sysdeps/unix/sysv/linux/s390/kernel-features.h (__ASSUME_ACCEPT4_SYSCALL): Undefine if [__LINUX_KERNEL_VERSION < 0x040300] instead of defining if [__LINUX_KERNEL_VERSION >= 0x040300]. (__ASSUME_RECVMMSG_SYSCALL): Likewise. (__ASSUME_SENDMMSG_SYSCALL): Likewise. * sysdeps/unix/sysv/linux/sh/kernel-features.h (__ASSUME_ACCEPT4_SYSCALL): Do not define. (__ASSUME_RECVMMSG_SYSCALL): Likewise. (__ASSUME_SENDMMSG_SYSCALL): Likewise. * sysdeps/unix/sysv/linux/sparc/kernel-features.h (__ASSUME_ACCEPT4_SYSCALL): Likewise. (__ASSUME_RECVMMSG_SYSCALL): Likewise. (__ASSUME_SENDMMSG_SYSCALL): Likewise. * sysdeps/unix/sysv/linux/tile/kernel-features.h (__ASSUME_ACCEPT4_SYSCALL): Likewise. (__ASSUME_RECVMMSG_SYSCALL): Likewise. (__ASSUME_SENDMMSG_SYSCALL): Likewise. * sysdeps/unix/sysv/linux/x86_64/kernel-features.h (__ASSUME_ACCEPT4_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x020621] (__ASSUME_RECVMMSG_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x030000] (__ASSUME_SENDMMSG_SYSCALL): Likewise. |
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Adhemerval Zanella
|
9ff72da471 |
posix: New Linux posix_spawn{p} implementation
This patch implements a new posix_spawn{p} implementation for Linux. The main
difference is it uses the clone syscall directly with CLONE_VM and CLONE_VFORK
flags and a direct allocated stack. The new stack and start function solves
most the vfork limitation (possible parent clobber due stack spilling). The
remaning issue are related to signal handling:
1. That no signal handlers must run in child context, to avoid corrupt
parent's state.
2. Child must synchronize with parent to enforce stack deallocation and
to possible return execv issues.
The first one is solved by blocking all signals in child, even NPTL-internal
ones (SIGCANCEL and SIGSETXID). The second issue is done by a stack allocation
in parent and a synchronization with using a pipe or waitpid (in case or error).
The pipe has the advantage of allowing the child signal an exec error (checked
with new tst-spawn2 test).
There is an inherent race condition in pipe2 usage for architectures that do not
support the syscall directly. In such cases the a pipe plus fctnl is used
instead and it may lead to file descriptor leak in parent (as decribed by fcntl
documentation).
The child process stack is allocate with a mmap with MAP_STACK flag using
default architecture stack size. Although it is slower than use a stack buffer
from parent, it allows some slack for the compatibility code to run scripts
with no shebang (which may use a buffer with size depending of argument list
count).
Performance should be similar to the vfork default posix implementation and
way faster than fork path (vfork on mostly linux ports are basically
clone with CLONE_VM plus CLONE_VFORK). The only difference is the syscalls
required for the stack allocation/deallocation.
It fixes BZ#10354, BZ#14750, and BZ#18433.
Tested on i386, x86_64, powerpc64le, and aarch64.
[BZ #14750]
[BZ #10354]
[BZ #18433]
* include/sched.h (__clone): Add hidden prototype.
(__clone2): Likewise.
* include/unistd.h (__dup): Likewise.
* posix/Makefile (tests): Add tst-spawn2.
* posix/tst-spawn2.c: New file.
* sysdeps/posix/dup.c (__dup): Add hidden definition.
* sysdeps/unix/sysv/linux/aarch64/clone.S (__clone): Likewise.
* sysdeps/unix/sysv/linux/alpha/clone.S (__clone): Likewise.
* sysdeps/unix/sysv/linux/arm/clone.S (__clone): Likewise.
* sysdeps/unix/sysv/linux/hppa/clone.S (__clone): Likewise.
* sysdeps/unix/sysv/linux/i386/clone.S (__clone): Likewise.
* sysdeps/unix/sysv/linux/ia64/clone2.S (__clone): Likewise.
* sysdeps/unix/sysv/linux/m68k/clone.S (__clone): Likewise.
* sysdeps/unix/sysv/linux/microblaze/clone.S (__clone): Likewise.
* sysdeps/unix/sysv/linux/mips/clone.S (__clone): Likewise.
* sysdeps/unix/sysv/linux/nios2/clone.S (__clone): Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S (__clone):
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S (__clone):
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/clone.S (__clone): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/clone.S (__clone): Likewise.
* sysdeps/unix/sysv/linux/sh/clone.S (__clone): Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/clone.S (__clone): Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/clone.S (__clone): Likewise.
* sysdeps/unix/sysv/linux/tile/clone.S (__clone): Likewise.
* sysdeps/unix/sysv/linux/x86_64/clone.S (__clone): Likewise.
* sysdeps/unix/sysv/linux/nptl-signals.h
(____nptl_is_internal_signal): New function.
* sysdeps/unix/sysv/linux/spawni.c: New file.
|
|
|
Joseph Myers
|
5b4ecd3f95 |
Require Linux 3.2 except on x86 / x86_64, 3.2 headers everywhere.
In <https://sourceware.org/ml/libc-alpha/2016-01/msg00885.html> I proposed a minimum Linux kernel version of 3.2 for glibc 2.24, since Linux 2.6.32 has reached EOL. In the discussion in February, some concerns were expressed about compatibility with OpenVZ containers. It's not clear that these are real issues, given OpenVZ backporting kernel features and faking the kernel version for guest software, as discussed in <https://sourceware.org/ml/libc-alpha/2016-02/msg00278.html>. It's also not clear that supporting running GNU/Linux distributions from late 2016 (at the earliest) on a kernel series from 2009 is a sensible expectation. However, as an interim step, this patch increases the requirement everywhere except x86 / x86_64 (since the controversy was only about those architectures); the special caveats and settings can easily be removed later when we're ready to increase the requirements on x86 / x86_64 (and if someone would like to raise the issue on LWN as suggested in the previous discussion, that would be welcome). 3.2 kernel headers are required everywhere by this patch. (x32 already requires 3.4 or later, so is unaffected by this patch.) As usual for such a change, this patch only changes the configure scripts and associated documentation. The intent is to follow up with removal of dead __LINUX_KERNEL_VERSION conditionals. Each __ASSUME_* or other macro that becomes dead can then be removed independently. Tested for x86_64 and x86. * sysdeps/unix/sysv/linux/configure.ac (LIBC_LINUX_VERSION): Define to 3.2.0. (arch_minimum_kernel): Likewise. * sysdeps/unix/sysv/linux/configure: Regenerated. * sysdeps/unix/sysv/linux/i386/configure.ac (arch_minimum_kernel): Define to 2.6.32. * sysdeps/unix/sysv/linux/i386/configure: Regenerated. * sysdeps/unix/sysv/linux/x86_64/64/configure.ac (arch_minimum_kernel): Define to 2.6.32. * sysdeps/unix/sysv/linux/x86_64/64/configure: Regenerated. * README: Document Linux 3.2 requirement. * manual/install.texi (Linux): Document Linux 3.2 headers requirement. * INSTALL: Regenerated. |
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Torvald Riegel
|
b02840bacd |
New pthread_barrier algorithm to fulfill barrier destruction requirements.
The previous barrier implementation did not fulfill the POSIX requirements for when a barrier can be destroyed. Specifically, it was possible that threads that haven't noticed yet that their round is complete still access the barrier's memory, and that those accesses can happen after the barrier has been legally destroyed. The new algorithm does not have this issue, and it avoids using a lock internally. |
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Joseph Myers
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f7a9f785e5 | Update copyright dates with scripts/update-copyrights. | |
Dmitry V. Levin
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e0043e17df |
Fix linux personality syscall wrapper
The personality system call, starting with linux kernel commit v2.6.29-6609-g11d06b2a1e5658f448a308aa3beb97bacd64a940, always successfully changes the personality if requested. The syscall wrapper, however, still can return an error in the following cases: - the value returned by the system call looks like an error due to architecture limitations of 32-bit kernels; - a personality greater than 0xffffffff is passed to the system call, and the 64-bit kernel does not have commit v2.6.35-rc1-372-g485d527686850d68a0e9006dd9904f19f122485e that would truncate this value to unsigned int; - on sparc64, the value returned by the system call looks like an error due to sparc64 kernel sign extension bug. The solution is three-fold: - move generic syscalls.list personality entry to generic 64-bit syscalls.list file; - for each 32-bit architecture that use negated errno semantics, add a NOERRNO personality entry to their syscalls.list file; - for sparc64 and 32-bit architectures that use dedicated registers to flag syscall errors, add a wrapper around personality syscall; if the system call return value is flagged as an error, this wrapper returns the negated "would be errno" value, otherwise it returns the system call return value; on sparc64, it also truncates the personality argument to unsigned int before passing it to the kernel. [BZ #19408] * sysdeps/unix/sysv/linux/personality.c: New file. * sysdeps/unix/sysv/linux/sparc/sparc64/personality.c: Likewise. * sysdeps/unix/sysv/linux/tst-personality.c: Likewise. * sysdeps/unix/sysv/linux/Makefile [$(subdir) == misc] (sysdep_routines): Add personality. (tests): Add tst-personality. * sysdeps/unix/sysv/linux/syscalls.list (personality): Move ... * sysdeps/unix/sysv/linux/wordsize-64/syscalls.list: ... here. * sysdeps/unix/sysv/linux/arm/syscalls.list (personality): New entry. * sysdeps/unix/sysv/linux/hppa/syscalls.list (personality): Likewise. * sysdeps/unix/sysv/linux/i386/syscalls.list (personality): Likewise. * sysdeps/unix/sysv/linux/m68k/syscalls.list (personality): Likewise. * sysdeps/unix/sysv/linux/microblaze/syscalls.list (personality): Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n32/syscalls.list (personality): Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/syscalls.list (personality): Likewise. * sysdeps/unix/sysv/linux/sh/syscalls.list (personality): Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/syscalls.list (personality): Likewise. |
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Joseph Myers
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e5a5315e2d |
Use direct socket syscalls for new kernels on i386, m68k, microblaze, sh.
Now that we have __ASSUME_* macros for direct socket syscalls to use them instead of socketcall when they can be assumed to be available on socketcall architectures, this patch defines those macros when appropriate for i386, m68k, microblaze and sh (for 4.3, 4.3, all supported kernels and 2.6.37, respectively; the only use of socketcall support on microblaze is it allows accept4 and sendmmsg to be supported on a wider range of kernel versions). David, it seems that 32-bit SPARC is the only architecture supported by glibc that still lacks these direct syscalls. It would be good to get them added to the SPARC kernel so we can eventually eliminate socketcall support in glibc (and thereby just use entries in sysdeps/unix/syscalls.list for most of these functions) when we can assume new-enough kernels. Tested for i386 (testsuite, and that installed shared libraries are unchanged by this patch - not using a new enough kernel, so this doesn't actually test much, but the i386 and m68k code is essentially the same as that already in use for s390). * sysdeps/unix/sysv/linux/i386/kernel-features.h [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_SOCKET_SYSCALL): New macro. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_SOCKETPAIR_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_BIND_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_CONNECT_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_LISTEN_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_ACCEPT4_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_ACCEPT4_FOR_ACCEPT_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_GETSOCKOPT_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_SETSOCKOPT_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_GETSOCKNAME_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_GETPEERNAME_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_SENDTO_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_SENDTO_FOR_SEND_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_SENDMSG_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_RECVFROM_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_RECVFROM_FOR_RECV_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_RECVMSG_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_SHUTDOWN_SYSCALL): Likewise. * sysdeps/unix/sysv/linux/m68k/kernel-features.h [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_RECVMMSG_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_SENDMMSG_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_SOCKET_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_SOCKETPAIR_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_BIND_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_CONNECT_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_LISTEN_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_ACCEPT4_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_ACCEPT4_FOR_ACCEPT_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_GETSOCKOPT_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_SETSOCKOPT_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_GETSOCKNAME_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_GETPEERNAME_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_SENDTO_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_SENDTO_FOR_SEND_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_SENDMSG_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_RECVFROM_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_RECVFROM_FOR_RECV_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_RECVMSG_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_SHUTDOWN_SYSCALL): Likewise. * sysdeps/unix/sysv/linux/microblaze/kernel-features.h (__ASSUME_SOCKET_SYSCALL): Likewise. (__ASSUME_BIND_SYSCALL): Likewise. (__ASSUME_CONNECT_SYSCALL): Likewise. (__ASSUME_LISTEN_SYSCALL): Likewise. (__ASSUME_ACCEPT_SYSCALL): Likewise. (__ASSUME_GETSOCKNAME_SYSCALL): Likewise. (__ASSUME_GETPEERNAME_SYSCALL): Likewise. (__ASSUME_SOCKETPAIR_SYSCALL): Likewise. (__ASSUME_SEND_SYSCALL): Likewise. (__ASSUME_SENDTO_SYSCALL): Likewise. (__ASSUME_RECV_SYSCALL): Likewise. (__ASSUME_RECVFROM_SYSCALL): Likewise. (__ASSUME_SHUTDOWN_SYSCALL): Likewise. (__ASSUME_GETSOCKOPT_SYSCALL): Likewise. (__ASSUME_SETSOCKOPT_SYSCALL): Likewise. (__ASSUME_SENDMSG_SYSCALL): Likewise. (__ASSUME_RECVMSG_SYSCALL): Likewise. * sysdeps/unix/sysv/linux/sh/kernel-features.h [__LINUX_KERNEL_VERSION >= 0x020625] (__ASSUME_SOCKET_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x020625] (__ASSUME_BIND_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x020625] (__ASSUME_CONNECT_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x020625] (__ASSUME_LISTEN_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x020625] (__ASSUME_ACCEPT_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x020625] (__ASSUME_GETSOCKNAME_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x020625] (__ASSUME_GETPEERNAME_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x020625] (__ASSUME_SOCKETPAIR_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x020625] (__ASSUME_SEND_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x020625] (__ASSUME_SENDTO_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x020625] (__ASSUME_RECV_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x020625] (__ASSUME_RECVFROM_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x020625] (__ASSUME_SHUTDOWN_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x020625] (__ASSUME_GETSOCKOPT_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x020625] (__ASSUME_SETSOCKOPT_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x020625] (__ASSUME_SENDMSG_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x020625] (__ASSUME_RECVMSG_SYSCALL): Likewise. |
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Joseph Myers
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d709042a6e |
Fix lgamma setting signgam for ISO C (bug 15421).
The lgamma (and likewise lgammaf, lgammal) function wrongly sets the signgam variable even when building for strict ISO C conformance (-std=c99 / -std=c11), although the user may define such a variable and it's only in the implementation namespace for POSIX with XSI extensions enabled. Following discussions starting at <https://sourceware.org/ml/libc-alpha/2013-04/msg00767.html> and <https://sourceware.org/ml/libc-alpha/2015-10/msg00844.html>, it seems that the safest approach for fixing this particular issue is for signgam to become a weak alias for a newly exported symbol __signgam, with the library functions only setting __signgam, at which point static linker magic will preserve the alias for newly linked binaries that refer to the library's signgam rather than defining their own, while breaking the alias for programs that define their own signgam, with new symbol versions for lgamma functions and with compat symbols for existing binaries that set both signgam and __signgam. This patch implements that approach for the fix. signgam is made into a weak alias. The four symbols __signgam, lgamma, lgammaf, lgammal get new symbol versions at version GLIBC_2.23, with the existing versions of lgamma, lgammaf and lgammal becoming compat symbols. When the compat versions are built, gamma, gammaf and gammal are aliases for the compat versions (i.e. always set signgam); this is OK as they are not ISO C functions, and avoids adding new symbol versions for them unnecessarily. When the compat versions are not built (i.e. for static linking and for future glibc ports), gamma, gammaf and gammal are aliases for the new versions that set __signgam. The ldbl-opt versions are updated accordingly. The lgamma wrappers are adjusted so that the same source files, included from different files with different definitions of USE_AS_COMPAT, can build either the new versions or the compat versions. Similar changes are made to the ia64 versions (untested). Tests are added that the lgamma functions do not interfere with a user variable called signgam for ISO C, with various choices for the size of that variable, whether it is initialized, and for static and dynamic linking. The conformtest whitelist entry is removed as well. Tested for x86_64, x86, mips64 and powerpc, including looking at objdump --dynamic-syms output to make sure the expected sets of symbols were aliases. Also spot-tested that a binary built with old glibc works properly (i.e. gets signgam set) when run with new glibc. [BZ #15421] * sysdeps/ieee754/s_signgam.c (signgam): Rename to __signgam, initialize with 0 and define as weak alias of __signgam. * include/math.h [!_ISOMAC] (__signgam): Declare. * math/Makefile (libm-calls): Add w_lgamma_compat. (tests): Add test-signgam-uchar, test-signgam-uchar-init, test-signgam-uint, test-signgam-uint-init, test-signgam-ullong and test-signgam-ullong-init. (tests-static): Add test-signgam-uchar-static, test-signgam-uchar-init-static, test-signgam-uint-static, test-signgam-uint-init-static, test-signgam-ullong-static and test-signgam-ullong-init-static. (CFLAGS-test-signgam-uchar.c): New variable. (CFLAGS-test-signgam-uchar-init.c): Likewise. (CFLAGS-test-signgam-uchar-static.c): Likewise. (CFLAGS-test-signgam-uchar-init-static.c): Likewise. (CFLAGS-test-signgam-uint.c): Likewise. (CFLAGS-test-signgam-uint-init.c): Likewise. (CFLAGS-test-signgam-uint-static.c): Likewise. (CFLAGS-test-signgam-uint-init-static.c): Likewise. (CFLAGS-test-signgam-ullong.c): Likewise. (CFLAGS-test-signgam-ullong-init.c): Likewise. (CFLAGS-test-signgam-ullong-static.c): Likewise. (CFLAGS-test-signgam-ullong-init-static.c): Likewise. * math/Versions (libm): Add GLIBC_2.23. * math/lgamma-compat.h: New file. * math/test-signgam-main.c: Likewise. * math/test-signgam-uchar-init-static.c: Likewise. * math/test-signgam-uchar-init.c: Likewise. * math/test-signgam-uchar-static.c: Likewise. * math/test-signgam-uchar.c: Likewise. * math/test-signgam-uint-init-static.c: Likewise. * math/test-signgam-uint-init.c: Likewise. * math/test-signgam-uint-static.c: Likewise. * math/test-signgam-uint.c: Likewise. * math/test-signgam-ullong-init-static.c: Likewise. * math/test-signgam-ullong-init.c: Likewise. * math/test-signgam-ullong-static.c: Likewise. * math/test-signgam-ullong.c: Likewise. * math/w_lgamma.c: Rename to w_lgamma_main.c and replace by wrapper of w_lgamma_main.c. * math/w_lgamma_compat.c: New file. * math/w_lgamma_compatf.c: Likewise. * math/w_lgamma_compatl.c: Likewise. * math/w_lgamma_main.c: New file. Based on w_lgamma.c. Include <lgamma-compat.h>. Condition contents on [BUILD_LGAMMA]. Support defining compatibility symbols. (__lgamma): Change to LGFUNC (__lgamma). Use CALL_LGAMMA. * math/w_lgammaf.c: Rename to w_lgammaf_main.c and replace by wrapper of w_lgammaf_main.c. * math/w_lgammaf_main.c: New file. Based on w_lgammaf.c. Include <lgamma-compat.h>. Condition contents on [BUILD_LGAMMA]. Support defining compatibility symbols. (__lgammaf): Change to LGFUNC (__lgammaf). Use CALL_LGAMMA. * math/w_lgammal.c: Rename to w_lgammal_main.c and replace by wrapper of w_lgammal_main.c. * math/w_lgammal_main.c: New file. Based on w_lgammal.c. Include <lgamma-compat.h>. Condition contents on [BUILD_LGAMMA]. Support defining compatibility symbols. (__lgammal): Change to LGFUNC (__lgammal). Use CALL_LGAMMA. * sysdeps/ia64/fpu/lgamma-compat.h: New file. * sysdeps/ia64/fpu/w_lgamma.c: Move to .... * sysdeps/ia64/fpu/w_lgamma_main.c: ...here. Include <lgamma-compat.h>. (__ieee754_lgamma): Change to LGFUNC (lgamma). Use CALL_LGAMMA. (__ieee754_gamma): Define as alias. * sysdeps/ia64/fpu/w_lgammaf.c: Move to .... * sysdeps/ia64/fpu/w_lgammaf_main.c: ...here. Include <lgamma-compat.h>. (__ieee754_lgammaf): Change to LGFUNC (lgammaf). Use CALL_LGAMMA. (__ieee754_gammaf): Define as alias. * sysdeps/ia64/fpu/w_lgammal.c: Move to .... * sysdeps/ia64/fpu/w_lgammal_main.c: ...here. Include <lgamma-compat.h>. (__ieee754_lgammal): Change to LGFUNC (lgammal). Use CALL_LGAMMA. (__ieee754_gammal): Define as alias. * sysdeps/ieee754/ldbl-opt/w_lgamma.c: Move to .... * sysdeps/ieee754/ldbl-opt/w_lgamma_compat.c: ...here. Include <math/w_lgamma_compat.c>. [LONG_DOUBLE_COMPAT(libm, GLIBC_2_0)] (__lgammal_dbl_compat): Define as alias of __lgamma_compat and use in defining lgammal. * sysdeps/ieee754/ldbl-opt/w_lgammal.c: Move to .... * sysdeps/ieee754/ldbl-opt/w_lgamma_compatl.c: ...here. Include <math/lgamma-compat.h> and <math/w_lgamma_compatl.c>. (USE_AS_COMPAT): New macro. (LGAMMA_OLD_VER): Undefine and redefine. (lgammal): Do not define here. (gammal): Only define here if [GAMMA_ALIAS]. * conform/linknamespace.pl (@whitelist): Remove signgam. * sysdeps/nacl/libm.abilist: Update. * 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/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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Florian Weimer
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8c77b6ad40 |
Simplify the abilist format
The new format lists the version on each line, as in:
VERSION SYMBOL TYPE [VALUE]
This makes it easier to process the files with line-oriented tools.
The abilist files were converted with this awk script:
/^[^ ]/ { version = $1 }
/^ / { print version, substr($0, 2) }
And sorted under the "C" locale with sort.
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Mark Wielaard
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8b7b7f75d9 |
Add LFS support for fts functions (bug 11460)
fts didn't have large-file support yet and fts.h had an #error preventing usage when _FILE_OFFSET_BITS was set. This required nasty workarounds for programs using fts with LFS. This patch implements LFS support for fts by adding FTS64 and FTENT64 variants plus fts64 functions. Which are simple aliases for 64bit off_t arches. Also includes a simple testcase for some of the fts functions with or without LFS enabled. [BZ #11460] * io/Makefile (routines): Add fts64. (tests): Add tst-fts and tst-fts-lfs. (CFLAGS-fts64.c): New. * io/Versions (GLIBC_2.23): New. * io/fts.c: Replace FTS with FTSOBJ, FTSENT with FTSENTRY. Use function defines FTS_OPEN, FTS_CLOSE, FTS_READ, FTS_SET and FTS_CHILDREN. Define FTSOBJ, FTSENTRY, FTS_OPEN, FTS_CLOSE, FTS_READ, FTS_SET, FTS_CHILDREN, INO_T, STAT and LSTAT if necessary. * io/fts.h (FTS64): New if _USE_LARGEFILE64. (FTSENT64): Likewise. (fts64_children): Likewise. (fts64_close): Likewise. (fts64_open): Likewise. (fts64_read): Likewise. (fts64_set): Likewise. * io/fts64.c: New file. * io/tst-fts.c: New test. * io/tst-fts-lfs.c: Likewise. * sysdeps/unix/sysv/linux/aarch64/libc.abilist (GLIBC_2.23): Add GLIBC_2.23, fts64_children, fts64_close, fts64_open, fts64_read and fts64_set. * 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.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.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/tile/tilegx/tilegx32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilepro/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist: Likewise. * sysdeps/wordsize-64/fts.c: New file. * sysdeps/wordsize-64/fts64.c: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n64/fts.c: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n64/fts64.c: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/fts.c: likewise. * sysdeps/unix/sysv/linux/x86_64/x32/fts64.c: likewise. |
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Andreas Schwab
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751709fec9 | Always use INTERNAL_SYSCALL_ERRNO with INTERNAL_SYSCALL | |
H.J. Lu
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95b097779a |
Build i386 __libc_do_syscall when PROF is defined
Need to provide i386 __libc_do_syscall when PROF is defined. Define OPTIMIZE_FOR_GCC_5 for .S files so that it can be used in libc-do-syscall.S. * sysdeps/unix/sysv/linux/i386/libc-do-syscall.S: Replace __GNUC_PREREQ (5,0) with OPTIMIZE_FOR_GCC_5. * sysdeps/unix/sysv/linux/i386/sysdep.h (OPTIMIZE_FOR_GCC_5): Moved before "#ifdef __ASSEMBLER__". |
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H.J. Lu
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23c4baa214 |
Disable GCC 5 optimization when PROF is defined
Since asm ("ebp") can't be used to put the 6th argument in %ebp for
syscall when compiling for profiling, we disable GCC 5 optimization
when PROF is defined.
* sysdeps/unix/sysv/linux/i386/sysdep.h (OPTIMIZE_FOR_GCC_5):
New. Defined for GCC 5 and above when not compiling for
profiling.
Replace __GNUC_PREREQ (5,0) with OPTIMIZE_FOR_GCC_5.
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H.J. Lu
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d8f7fcacd7 |
Apply -fomit-frame-pointer only to .o/.os files
Since -fomit-frame-pointer is compatible with -pg, apply it only to .o/.os files. * sysdeps/unix/sysv/linux/i386/Makefile (CFLAGS-epoll_pwait.c): Renamed to ... (CFLAGS-epoll_pwait.o): This. (CFLAGS-mmap.c): Renamed to ... (CFLAGS-mmap.o): This. (CFLAGS-mmap64.c): Renamed to ... (CFLAGS-mmap64.o): This. (CFLAGS-epoll_pwait.os): New. (CFLAGS-mmap.os): Likewise. (CFLAGS-mmap64.os): Likewise. (CFLAGS-semtimedop.os): Likewise. (CFLAGS-semtimedop.c): Renamed to ... (CFLAGS-semtimedop.o): This. |
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Joseph Myers
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80d9be8122 |
Convert miscellaneous function definitions to prototype style.
This patch converts various miscellaneous functions definitions in glibc, found with grep and not covered by my previous scripted conversions, from old-style K&R to prototype-style. These changes were made manually. This is not necessarily exhaustive as formatting variants may have prevented my grep from finding some such definitions. Regarding the changes to files from GMP, they may originally have been omitted when removing __STDC__ conditionals because of the files coming from another package, but (a) GMP no longer has __STDC__ conditionals there anyway and (b) we don't try to keep these files verbatim in sync with GMP (and there are licensing differences), so making the change to them in glibc seems reasonable. Tested for x86_64 and x86 (testsuite - this patch affects files containing assertions). * debug/fortify_fail.c (__fortify_fail): Convert to prototype-style function definition. Use internal_function. * libio/genops.c (save_for_backup): Convert to prototype-style function definition. * libio/wgenops.c (save_for_wbackup): Likewise. * login/grantpt.c (grantpt): Likewise. * login/ptsname.c (ptsname): Likewise. (__ptsname_r): Likewise. * login/unlockpt.c (unlockpt): Likewise. * mach/msgserver.c (__mach_msg_server): Likewise. * misc/efgcvt.c (__APPEND (FUNC_PREFIX, fcvt)): Likewise. (__APPEND (FUNC_PREFIX, ecvt)): Likewise. (__APPEND (FUNC_PREFIX, gcvt)): Likewise. * misc/efgcvt_r.c (__APPEND (FUNC_PREFIX, fcvt_r)): Likewise. (__APPEND (FUNC_PREFIX, ecvt_r)): Likewise. * nptl/cleanup_compat.c (_pthread_cleanup_push): Likewise. * nptl/cleanup_defer_compat.c (_pthread_cleanup_push_defer): Likewise. * nptl/libc_pthread_init.c (__libc_pthread_init): Likewise. Use internal_function. * nptl/pthread_atfork.c (__pthread_atfork): Convert to prototype-style function definition. * nptl/pthread_create.c (__pthread_create_2_1): Likewise. [SHLIB_COMPAT(libpthread, GLIBC_2_0, GLIBC_2_1)] (__pthread_create_2_0): Likewise. * nptl/pthread_key_create.c (__pthread_key_create): Likewise. * nptl/register-atfork.c (__register_atfork): Likewise. * posix/glob.c (glob): Likewise. * posix/regcomp.c (re_comp): Likewise. * posix/regexec.c (re_exec): Likewise. * stdlib/add_n.c [__STDC__]: Make code unconditional. [!__STDC__]: Remove conditional code. * stdlib/cmp.c [__STDC__]: Make code unconditional. [!__STDC__]: Remove conditional code. * stdlib/divmod_1.c [__STDC__]: Make code unconditional. [!__STDC__]: Remove conditional code. * stdlib/divrem.c [__STDC__]: Make code unconditional. [!__STDC__]: Remove conditional code. * stdlib/lshift.c [__STDC__]: Make code unconditional. [!__STDC__]: Remove conditional code. * stdlib/mod_1.c [__STDC__]: Make code unconditional. [!__STDC__]: Remove conditional code. * stdlib/mul.c [__STDC__]: Make code unconditional. [!__STDC__]: Remove conditional code. * stdlib/mul_n.c [__STDC__]: Make code unconditional. [!__STDC__]: Remove conditional code. * stdlib/rshift.c [__STDC__]: Make code unconditional. [!__STDC__]: Remove conditional code. * stdlib/strtod.c (INTERNAL (STRTOF)): Convert to prototype-style function definition. (STRTOF): Likewise. * stdlib/strtod_l.c (__STRTOF): Likewise. * stdlib/strtol.c (INTERNAL (strtol)): Likewise. * stdlib/strtol_l.c (INTERNAL (__strtol_l)): Likewise. (__strtol_l): Likewise. * stdlib/sub_n.c [__STDC__]: Make code unconditional. [!__STDC__]: Remove conditional code. * string/memrchr.c (MEMRCHR): Convert to prototype-style function definition. * string/strcasecmp.c (LOCALE_PARAM_DECL): Remove macro. [USE_IN_EXTENDED_LOCALE_MODEL] (LOCALE_PARAM): Include argument type. (__strcasecmp): Convert to prototype-style function definition. * string/strncase.c (LOCALE_PARAM_DECL): Remove macro. [USE_IN_EXTENDED_LOCALE_MODEL] (LOCALE_PARAM): Include argument type. (__strncasecmp): Convert to prototype-style function definition. * sunrpc/pm_getport.c (__libc_rpc_getport): Likewise. * sunrpc/xdr.c (xdr_union): Likewise. * sunrpc/xdr_array.c (xdr_array): Likewise. * sunrpc/xdr_ref.c (xdr_reference): Likewise. * sysdeps/m68k/m680x0/fpu/s_atan.c (__CONCATX(__,FUNC)): Likewise. * sysdeps/m68k/m680x0/fpu/s_isinf.c (__CONCATX(__,FUNC)): Likewise. * sysdeps/m68k/m680x0/fpu/s_scalbn.c (__CONCATX(__scalbn,suffix): Likewise. * sysdeps/m68k/m680x0/fpu/s_sincos.c (CONCATX(__,FUNC)): Likewise. * sysdeps/unix/sysv/linux/i386/scandir64.c (__old_scandir64): Likewise. * time/strftime_l.c (LOCALE_PARAM_DECL): Remove macro. (LOCALE_PARAM_PROTO): Likewise. [_LIBC && USE_IN_EXTENDED_LOCALE_MODEL] (LOCALE_PARAM): Include argument type. (ut_argument_spec): Remove macro. (ut_argument_spec_iso): Rename to ut_argument_spec. (memcpy_lowcase): Use LOCALE_PARAM in declaration. Convert to prototype-style function definition. (memcpy_uppcase): Likewise. (__strftime_internal): Likewise. (my_strftime): Likewise. * time/strptime_l.c (LOCALE_PARAM_PROTO): Remove macro. (LOCALE_PARAM_DECL): Likewise. [_LIBC] (LOCALE_PARAM): Include argument type. (__strptime_internal): Convert to prototype-style function definition. (strptime): Likewise. * wcsmbs/wcscasecmp.c (LOCALE_PARAM_DECL): Remove macro. [USE_IN_EXTENDED_LOCALE_MODEL] (LOCALE_PARAM): Include argument type. (__wcscasecmp): Convert to prototype-style function definition. * wcsmbs/wcsncase.c (LOCALE_PARAM_DECL): Remove macro. [USE_IN_EXTENDED_LOCALE_MODEL] (LOCALE_PARAM): Include argument type. (__wcsncasecmp): Convert to prototype-style function definition. |
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Joseph Myers
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f63f2bfdfa |
Convert 69 more function definitions to prototype style (line wrap cases).
This automatically-generated patch converts 69 function definitions in glibc from old-style K&R to prototype-style. This patch, covering both sysdeps and non-sysdeps files, deals with cases where the prototype needed to be wrapped over more than one line. Otherwise, exclusions and caveats are as for <https://sourceware.org/ml/libc-alpha/2015-10/msg00594.html> and <https://sourceware.org/ml/libc-alpha/2015-10/msg00599.html>. Tested for x86_64 and x86 (testsuite, and that installed stripped shared libraries are unchanged by the patch). * crypt/crypt-entry.c (__crypt_r): Convert to prototype-style function definition. * crypt/crypt_util.c (__encrypt_r): Likewise. * libio/genops.c (_IO_no_init): Likewise. * libio/iofopncook.c (_IO_fopencookie): Likewise. (_IO_old_fopencookie): Likewise. * libio/iofwrite_u.c (fwrite_unlocked): Likewise. * libio/iogetline.c (_IO_getline): Likewise. (_IO_getline_info): Likewise. * libio/iogetwline.c (_IO_getwline): Likewise. (_IO_getwline_info): Likewise. * libio/vsnprintf.c (_IO_vsnprintf): Likewise. * libio/vswprintf.c (_IO_vswprintf): Likewise. * locale/programs/simple-hash.c (insert_entry_2): Likewise. (find_entry): Likewise. (iterate_table): Likewise. (lookup): Likewise. * login/forkpty.c (forkpty): Likewise. * misc/hsearch_r.c (__hsearch_r): Likewise. * misc/select.c (__select): Likewise. * nptl/cleanup_defer_compat.c (_pthread_cleanup_pop_restore): Likewise. * nptl/old_pthread_cond_init.c (__pthread_cond_init_2_0): Likewise. * nptl/old_pthread_cond_timedwait.c (__pthread_cond_timedwait_2_0): Likewise. * nptl/pthread_barrier_init.c (__pthread_barrier_init): Likewise. * nptl/pthread_barrierattr_getpshared.c (pthread_barrierattr_getpshared): Likewise. * nptl/pthread_getschedparam.c (__pthread_getschedparam): Likewise. * nptl/pthread_mutex_setprioceiling.c (pthread_mutex_setprioceiling): Likewise. * nptl/pthread_mutexattr_getprioceiling.c (pthread_mutexattr_getprioceiling): Likewise. * nptl/pthread_rwlock_init.c (__pthread_rwlock_init): Likewise. * nptl/pthread_rwlock_timedrdlock.c (pthread_rwlock_timedrdlock): Likewise. * nptl/pthread_rwlock_timedwrlock.c (pthread_rwlock_timedwrlock): Likewise. * nptl/pthread_setschedparam.c (__pthread_setschedparam): Likewise. * socket/recvfrom.c (__recvfrom): Likewise. * socket/sendto.c (__sendto): Likewise. * socket/setsockopt.c (__setsockopt): Likewise. * stdio-common/_itoa.c (_itoa): Likewise. * stdio-common/_itowa.c (_itowa): Likewise. * stdio-common/reg-printf.c (__register_printf_specifier): Likewise. (__register_printf_function): Likewise. * stdio-common/tempname.c (__path_search): Likewise. * stdlib/addmul_1.c (mpn_addmul_1): Likewise. * stdlib/mul_1.c (mpn_mul_1): Likewise. * stdlib/random_r.c (__initstate_r): Likewise. * stdlib/setenv.c (__add_to_environ): Likewise. * stdlib/submul_1.c (mpn_submul_1): Likewise. * streams/getpmsg.c (getpmsg): Likewise. * streams/putmsg.c (putmsg): Likewise. * streams/putpmsg.c (putpmsg): Likewise. * sunrpc/clnt_raw.c (clntraw_call): Likewise. * sunrpc/clnt_tcp.c (clnttcp_call): Likewise. * sunrpc/clnt_udp.c (clntudp_create): Likewise. * sunrpc/clnt_unix.c (clntunix_call): Likewise. * sunrpc/pm_getport.c (pmap_getport): Likewise. * sunrpc/svc_udp.c (cache_get): Likewise. * sunrpc/xdr_array.c (xdr_vector): Likewise. * sysdeps/mach/hurd/getcwd.c (__canonicalize_directory_name_internal): Likewise. * sysdeps/mach/hurd/pselect.c (__pselect): Likewise. * sysdeps/mach/hurd/recvfrom.c (__recvfrom): Likewise. * sysdeps/mach/hurd/select.c (__select): Likewise. * sysdeps/posix/ttyname_r.c (getttyname_r): Likewise. * sysdeps/pthread/timer_settime.c (timer_settime): Likewise. * sysdeps/sparc/nptl/pthread_barrier_init.c (__pthread_barrier_init): Likewise. * sysdeps/unix/sysv/linux/hppa/pthread_cond_timedwait.c (__pthread_cond_timedwait): Likewise. * sysdeps/unix/sysv/linux/i386/putmsg.c (putmsg): Likewise. * sysdeps/unix/sysv/linux/s390/semtimedop.c (semtimedop): Likewise. * sysdeps/unix/sysv/linux/semtimedop.c (semtimedop): Likewise. * sysdeps/unix/sysv/linux/timer_settime.c (timer_settime): Likewise. * sysvipc/semtimedop.c (semtimedop): Likewise. * time/setitimer.c (__setitimer): Likewise. * time/strftime_l.c (emacs_strftime): Likewise. |
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Joseph Myers
|
bd2260a206 |
Convert 231 sysdeps function definitions to prototype style.
This mostly automatically-generated patch converts 231 sysdeps function definitions in glibc from old-style K&R to prototype-style. For __aio_sigqueue and __gai_sigqueue I had to add internal_function to the definitions as noted by Florian in <https://sourceware.org/ml/libc-alpha/2015-10/msg00595.html> to keep the functions compiling on x86 after conversion to prototype definitions. Otherwise, the patch is automatically generated with all the same exclusions and caveats as in <https://sourceware.org/ml/libc-alpha/2015-10/msg00594.html> except that it's a patch for sysdeps files. Tested for x86_64 and x86 (testsuite, and that installed stripped shared libraries are unchanged by the patch). Also tested for arm, mips64 and powerpc32 that installed stripped shared libraries are unchanged by the patch. * sysdeps/arm/backtrace.c (__backtrace): Convert to prototype-style function definition. * sysdeps/i386/backtrace.c (__backtrace): Likewise. * sysdeps/i386/ffs.c (__ffs): Likewise. * sysdeps/i386/i686/ffs.c (__ffs): Likewise. * sysdeps/ia64/nptl/pthread_spin_lock.c (pthread_spin_lock): Likewise. * sysdeps/ia64/nptl/pthread_spin_trylock.c (pthread_spin_trylock): Likewise. * sysdeps/ieee754/ldbl-128/e_log2l.c (__ieee754_log2l): Likewise. * sysdeps/ieee754/ldbl-128ibm/e_log2l.c (__ieee754_log2l): Likewise. * sysdeps/m68k/ffs.c (__ffs): Likewise. * sysdeps/m68k/m680x0/fpu/e_acos.c (FUNC): Likewise. * sysdeps/m68k/m680x0/fpu/e_fmod.c (FUNC): Likewise. * sysdeps/mach/adjtime.c (__adjtime): Likewise. * sysdeps/mach/gettimeofday.c (__gettimeofday): Likewise. * sysdeps/mach/hurd/_exit.c (_exit): Likewise. * sysdeps/mach/hurd/access.c (__access): Likewise. * sysdeps/mach/hurd/adjtime.c (__adjtime): Likewise. * sysdeps/mach/hurd/chdir.c (__chdir): Likewise. * sysdeps/mach/hurd/chmod.c (__chmod): Likewise. * sysdeps/mach/hurd/chown.c (__chown): Likewise. * sysdeps/mach/hurd/cthreads.c (cthread_keycreate): Likewise. (cthread_getspecific): Likewise. (cthread_setspecific): Likewise. (__libc_getspecific): Likewise. * sysdeps/mach/hurd/euidaccess.c (__euidaccess): Likewise. * sysdeps/mach/hurd/faccessat.c (faccessat): Likewise. * sysdeps/mach/hurd/fchdir.c (__fchdir): Likewise. * sysdeps/mach/hurd/fchmod.c (__fchmod): Likewise. * sysdeps/mach/hurd/fchmodat.c (fchmodat): Likewise. * sysdeps/mach/hurd/fchown.c (__fchown): Likewise. * sysdeps/mach/hurd/fchownat.c (fchownat): Likewise. * sysdeps/mach/hurd/flock.c (__flock): Likewise. * sysdeps/mach/hurd/fsync.c (fsync): Likewise. * sysdeps/mach/hurd/ftruncate.c (__ftruncate): Likewise. * sysdeps/mach/hurd/getgroups.c (__getgroups): Likewise. * sysdeps/mach/hurd/gethostname.c (__gethostname): Likewise. * sysdeps/mach/hurd/getitimer.c (__getitimer): Likewise. * sysdeps/mach/hurd/getlogin_r.c (__getlogin_r): Likewise. * sysdeps/mach/hurd/getpgid.c (__getpgid): Likewise. * sysdeps/mach/hurd/getrusage.c (__getrusage): Likewise. * sysdeps/mach/hurd/getsockname.c (__getsockname): Likewise. * sysdeps/mach/hurd/group_member.c (__group_member): Likewise. * sysdeps/mach/hurd/isatty.c (__isatty): Likewise. * sysdeps/mach/hurd/lchown.c (__lchown): Likewise. * sysdeps/mach/hurd/link.c (__link): Likewise. * sysdeps/mach/hurd/linkat.c (linkat): Likewise. * sysdeps/mach/hurd/listen.c (__listen): Likewise. * sysdeps/mach/hurd/mkdir.c (__mkdir): Likewise. * sysdeps/mach/hurd/mkdirat.c (mkdirat): Likewise. * sysdeps/mach/hurd/openat.c (__openat): Likewise. * sysdeps/mach/hurd/poll.c (__poll): Likewise. * sysdeps/mach/hurd/readlink.c (__readlink): Likewise. * sysdeps/mach/hurd/readlinkat.c (readlinkat): Likewise. * sysdeps/mach/hurd/recv.c (__recv): Likewise. * sysdeps/mach/hurd/rename.c (rename): Likewise. * sysdeps/mach/hurd/renameat.c (renameat): Likewise. * sysdeps/mach/hurd/revoke.c (revoke): Likewise. * sysdeps/mach/hurd/rewinddir.c (__rewinddir): Likewise. * sysdeps/mach/hurd/rmdir.c (__rmdir): Likewise. * sysdeps/mach/hurd/seekdir.c (seekdir): Likewise. * sysdeps/mach/hurd/send.c (__send): Likewise. * sysdeps/mach/hurd/setdomain.c (setdomainname): Likewise. * sysdeps/mach/hurd/setegid.c (setegid): Likewise. * sysdeps/mach/hurd/seteuid.c (seteuid): Likewise. * sysdeps/mach/hurd/setgid.c (__setgid): Likewise. * sysdeps/mach/hurd/setgroups.c (setgroups): Likewise. * sysdeps/mach/hurd/sethostid.c (sethostid): Likewise. * sysdeps/mach/hurd/sethostname.c (sethostname): Likewise. * sysdeps/mach/hurd/setlogin.c (setlogin): Likewise. * sysdeps/mach/hurd/setpgid.c (__setpgid): Likewise. * sysdeps/mach/hurd/setregid.c (__setregid): Likewise. * sysdeps/mach/hurd/setreuid.c (__setreuid): Likewise. * sysdeps/mach/hurd/settimeofday.c (__settimeofday): Likewise. * sysdeps/mach/hurd/setuid.c (__setuid): Likewise. * sysdeps/mach/hurd/shutdown.c (shutdown): Likewise. * sysdeps/mach/hurd/sigaction.c (__sigaction): Likewise. * sysdeps/mach/hurd/sigaltstack.c (__sigaltstack): Likewise. * sysdeps/mach/hurd/sigpending.c (sigpending): Likewise. * sysdeps/mach/hurd/sigprocmask.c (__sigprocmask): Likewise. * sysdeps/mach/hurd/sigsuspend.c (__sigsuspend): Likewise. * sysdeps/mach/hurd/socket.c (__socket): Likewise. * sysdeps/mach/hurd/symlink.c (__symlink): Likewise. * sysdeps/mach/hurd/symlinkat.c (symlinkat): Likewise. * sysdeps/mach/hurd/telldir.c (telldir): Likewise. * sysdeps/mach/hurd/truncate.c (__truncate): Likewise. * sysdeps/mach/hurd/umask.c (__umask): Likewise. * sysdeps/mach/hurd/unlink.c (__unlink): Likewise. * sysdeps/mach/hurd/unlinkat.c (unlinkat): Likewise. * sysdeps/mips/mips64/__longjmp.c (__longjmp): Likewise. * sysdeps/posix/alarm.c (alarm): Likewise. * sysdeps/posix/cuserid.c (cuserid): Likewise. * sysdeps/posix/dirfd.c (dirfd): Likewise. * sysdeps/posix/dup.c (__dup): Likewise. * sysdeps/posix/dup2.c (__dup2): Likewise. * sysdeps/posix/euidaccess.c (euidaccess): Likewise. (main): Likewise. * sysdeps/posix/flock.c (__flock): Likewise. * sysdeps/posix/fpathconf.c (__fpathconf): Likewise. * sysdeps/posix/getcwd.c (__getcwd): Likewise. * sysdeps/posix/gethostname.c (__gethostname): Likewise. * sysdeps/posix/gettimeofday.c (__gettimeofday): Likewise. * sysdeps/posix/isatty.c (__isatty): Likewise. * sysdeps/posix/killpg.c (killpg): Likewise. * sysdeps/posix/libc_fatal.c (__libc_fatal): Likewise. * sysdeps/posix/mkfifoat.c (mkfifoat): Likewise. * sysdeps/posix/raise.c (raise): Likewise. * sysdeps/posix/remove.c (remove): Likewise. * sysdeps/posix/rename.c (rename): Likewise. * sysdeps/posix/rewinddir.c (__rewinddir): Likewise. * sysdeps/posix/seekdir.c (seekdir): Likewise. * sysdeps/posix/sigblock.c (__sigblock): Likewise. * sysdeps/posix/sigignore.c (sigignore): Likewise. * sysdeps/posix/sigintr.c (siginterrupt): Likewise. * sysdeps/posix/signal.c (__bsd_signal): Likewise. * sysdeps/posix/sigset.c (sigset): Likewise. * sysdeps/posix/sigsuspend.c (__sigsuspend): Likewise. * sysdeps/posix/sysconf.c (__sysconf): Likewise. * sysdeps/posix/sysv_signal.c (__sysv_signal): Likewise. * sysdeps/posix/time.c (time): Likewise. * sysdeps/posix/ttyname.c (getttyname): Likewise. (ttyname): Likewise. * sysdeps/posix/ttyname_r.c (__ttyname_r): Likewise. * sysdeps/posix/utime.c (utime): Likewise. * sysdeps/powerpc/fpu/s_isnan.c (__isnan): Likewise. * sysdeps/powerpc/nptl/pthread_spin_lock.c (pthread_spin_lock): Likewise. * sysdeps/powerpc/nptl/pthread_spin_trylock.c (pthread_spin_trylock): Likewise. * sysdeps/pthread/aio_error.c (aio_error): Likewise. * sysdeps/pthread/aio_read.c (aio_read): Likewise. * sysdeps/pthread/aio_read64.c (aio_read64): Likewise. * sysdeps/pthread/aio_write.c (aio_write): Likewise. * sysdeps/pthread/aio_write64.c (aio_write64): Likewise. * sysdeps/pthread/flockfile.c (__flockfile): Likewise. * sysdeps/pthread/ftrylockfile.c (__ftrylockfile): Likewise. * sysdeps/pthread/funlockfile.c (__funlockfile): Likewise. * sysdeps/pthread/timer_create.c (timer_create): Likewise. * sysdeps/pthread/timer_getoverr.c (timer_getoverrun): Likewise. * sysdeps/pthread/timer_gettime.c (timer_gettime): Likewise. * sysdeps/s390/ffs.c (__ffs): Likewise. * sysdeps/s390/nptl/pthread_spin_lock.c (pthread_spin_lock): Likewise. * sysdeps/s390/nptl/pthread_spin_trylock.c (pthread_spin_trylock): Likewise. * sysdeps/sh/nptl/pthread_spin_lock.c (pthread_spin_lock): Likewise. * sysdeps/sparc/nptl/pthread_barrier_destroy.c (pthread_barrier_destroy): Likewise. * sysdeps/sparc/nptl/pthread_barrier_wait.c (__pthread_barrier_wait): Likewise. * sysdeps/sparc/sparc32/e_sqrt.c (__ieee754_sqrt): Likewise. * sysdeps/sparc/sparc32/pthread_barrier_wait.c (__pthread_barrier_wait): Likewise. * sysdeps/sparc/sparc32/sem_init.c (__old_sem_init): Likewise. * sysdeps/tile/memcmp.c (memcmp_common_alignment): Likewise. (memcmp_not_common_alignment): Likewise. (MEMCMP): Likewise. * sysdeps/tile/wordcopy.c (_wordcopy_fwd_aligned): Likewise. (_wordcopy_fwd_dest_aligned): Likewise. (_wordcopy_bwd_aligned): Likewise. (_wordcopy_bwd_dest_aligned): Likewise. * sysdeps/unix/bsd/ftime.c (ftime): Likewise. * sysdeps/unix/bsd/gtty.c (gtty): Likewise. * sysdeps/unix/bsd/stty.c (stty): Likewise. * sysdeps/unix/bsd/tcflow.c (tcflow): Likewise. * sysdeps/unix/bsd/tcflush.c (tcflush): Likewise. * sysdeps/unix/bsd/tcgetattr.c (__tcgetattr): Likewise. * sysdeps/unix/bsd/tcgetpgrp.c (tcgetpgrp): Likewise. * sysdeps/unix/bsd/tcsendbrk.c (tcsendbreak): Likewise. * sysdeps/unix/bsd/tcsetattr.c (tcsetattr): Likewise. * sysdeps/unix/bsd/tcsetpgrp.c (tcsetpgrp): Likewise. * sysdeps/unix/bsd/ualarm.c (ualarm): Likewise. * sysdeps/unix/bsd/wait3.c (__wait3): Likewise. * sysdeps/unix/getlogin_r.c (__getlogin_r): Likewise. * sysdeps/unix/sockatmark.c (sockatmark): Likewise. * sysdeps/unix/stime.c (stime): Likewise. * sysdeps/unix/sysv/linux/_exit.c (_exit): Likewise. * sysdeps/unix/sysv/linux/aio_sigqueue.c (__aio_sigqueue): Likewise. Use internal_function. * sysdeps/unix/sysv/linux/arm/sigaction.c (__libc_sigaction): Convert to prototype-style function definition. * sysdeps/unix/sysv/linux/faccessat.c (faccessat): Likewise. * sysdeps/unix/sysv/linux/fchmodat.c (fchmodat): Likewise. * sysdeps/unix/sysv/linux/fpathconf.c (__fpathconf): Likewise. * sysdeps/unix/sysv/linux/gai_sigqueue.c (__gai_sigqueue): Likewise. Use internal_function. * sysdeps/unix/sysv/linux/gethostid.c (sethostid): Convert to prototype-style function definition * sysdeps/unix/sysv/linux/getlogin_r.c (__getlogin_r_loginuid): Likewise. (__getlogin_r): Likewise. * sysdeps/unix/sysv/linux/getpt.c (__posix_openpt): Likewise. * sysdeps/unix/sysv/linux/hppa/pthread_cond_broadcast.c (__pthread_cond_broadcast): Likewise. * sysdeps/unix/sysv/linux/hppa/pthread_cond_destroy.c (__pthread_cond_destroy): Likewise. * sysdeps/unix/sysv/linux/hppa/pthread_cond_init.c (__pthread_cond_init): Likewise. * sysdeps/unix/sysv/linux/hppa/pthread_cond_signal.c (__pthread_cond_signal): Likewise. * sysdeps/unix/sysv/linux/hppa/pthread_cond_wait.c (__pthread_cond_wait): Likewise. * sysdeps/unix/sysv/linux/i386/getmsg.c (getmsg): Likewise. * sysdeps/unix/sysv/linux/i386/setegid.c (setegid): Likewise. * sysdeps/unix/sysv/linux/ia64/sigaction.c (__libc_sigaction): Likewise. * sysdeps/unix/sysv/linux/ia64/sigpending.c (sigpending): Likewise. * sysdeps/unix/sysv/linux/ia64/sigprocmask.c (__sigprocmask): Likewise. * sysdeps/unix/sysv/linux/mips/sigaction.c (__libc_sigaction): Likewise. * sysdeps/unix/sysv/linux/msgget.c (msgget): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/ftruncate64.c (__ftruncate64): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/truncate64.c (truncate64): Likewise. * sysdeps/unix/sysv/linux/pt-raise.c (raise): Likewise. * sysdeps/unix/sysv/linux/pthread_getcpuclockid.c (pthread_getcpuclockid): Likewise. * sysdeps/unix/sysv/linux/pthread_getname.c (pthread_getname_np): Likewise. * sysdeps/unix/sysv/linux/pthread_setname.c (pthread_setname_np): Likewise. * sysdeps/unix/sysv/linux/pthread_sigmask.c (pthread_sigmask): Likewise. * sysdeps/unix/sysv/linux/pthread_sigqueue.c (pthread_sigqueue): Likewise. * sysdeps/unix/sysv/linux/raise.c (raise): Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/sigaction.c (__libc_sigaction): Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/sigpending.c (sigpending): Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/sigprocmask.c (__sigprocmask): Likewise. * sysdeps/unix/sysv/linux/semget.c (semget): Likewise. * sysdeps/unix/sysv/linux/semop.c (semop): Likewise. * sysdeps/unix/sysv/linux/setrlimit64.c (setrlimit64): Likewise. * sysdeps/unix/sysv/linux/shmat.c (shmat): Likewise. * sysdeps/unix/sysv/linux/shmdt.c (shmdt): Likewise. * sysdeps/unix/sysv/linux/shmget.c (shmget): Likewise. * sysdeps/unix/sysv/linux/sigaction.c (__libc_sigaction): Likewise. * sysdeps/unix/sysv/linux/sigpending.c (sigpending): Likewise. * sysdeps/unix/sysv/linux/sigprocmask.c (__sigprocmask): Likewise. * sysdeps/unix/sysv/linux/sigqueue.c (__sigqueue): Likewise. * sysdeps/unix/sysv/linux/sigstack.c (sigstack): Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/sigpending.c (sigpending): Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/sigprocmask.c (__sigprocmask): Likewise. * sysdeps/unix/sysv/linux/speed.c (cfgetospeed): Likewise. (cfgetispeed): Likewise. (cfsetospeed): Likewise. (cfsetispeed): Likewise. * sysdeps/unix/sysv/linux/tcflow.c (tcflow): Likewise. * sysdeps/unix/sysv/linux/tcflush.c (tcflush): Likewise. * sysdeps/unix/sysv/linux/tcgetattr.c (__tcgetattr): Likewise. * sysdeps/unix/sysv/linux/tcsetattr.c (tcsetattr): Likewise. * sysdeps/unix/sysv/linux/time.c (time): Likewise. * sysdeps/unix/sysv/linux/timer_create.c (timer_create): Likewise. * sysdeps/unix/sysv/linux/timer_delete.c (timer_delete): Likewise. * sysdeps/unix/sysv/linux/timer_getoverr.c (timer_getoverrun): Likewise. * sysdeps/unix/sysv/linux/timer_gettime.c (timer_gettime): Likewise. * sysdeps/unix/sysv/linux/x86_64/sigpending.c (sigpending): Likewise. * sysdeps/unix/sysv/linux/x86_64/sigprocmask.c (__sigprocmask): Likewise. * sysdeps/x86_64/backtrace.c (__backtrace): Likewise. |
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Joseph Myers
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5ef193391b |
Fix i386 build for lll_unlock_elision change.
Tested for i386. * sysdeps/unix/sysv/linux/i386/lowlevellock.h (lll_unlock_elision): Add adapt_count parameter. |
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H.J. Lu
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983a33fa7d |
Add comments for GCC 5 requirement
* sysdeps/unix/sysv/linux/i386/sysdep.h: Add comments for GCC 5 requirement. |
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H.J. Lu
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b994fd7937 |
Remove i386/epoll_pwait.S
Only i386 implements epoll_pwait in assembly code withot cancellation
support. All other architectures implement epoll_pwait in epoll_pwait.c
with
int epoll_pwait (int epfd, struct epoll_event *events,
int maxevents, int timeout,
const sigset_t *set)
{
return SYSCALL_CANCEL (epoll_pwait, epfd, events, maxevents,
timeout, set, _NSIG / 8);
}
Although there is no test for epoll_pwait in glibc, since SYSCALL_CANCEL
works on i386 and epoll_pwait.c works for other architectures, it is
safe to assume that epoll_pwait.c with SYSCALL_CANCEL also works on
i386.
[BZ #19137]
* sysdeps/unix/sysv/linux/i386/Makefile (CFLAGS-epoll_pwait.c):
Add -fomit-frame-pointer.
* sysdeps/unix/sysv/linux/i386/epoll_pwait.S: Remove file.
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H.J. Lu
|
98ad631cd0 |
Optimize i386 syscall inlining for GCC 5
Since GCC 5 and above can properly spill %ebx when needed, we can inline syscalls with 6 arguments if GCC 5 or above is used to compile glibc. This patch rewrites INTERNAL_SYSCALL macros and skips __libc_do_syscall for GCC 5. For sysdeps/unix/sysv/linux/i386/brk.c, with -O2 -march=i686 -mtune=generic, GCC 5.2 now generates: <__brk>: 0: push %ebx 1: mov $0x2d,%eax 6: mov 0x8(%esp),%ebx a: call b <__brk+0xb> b: R_386_PC32 __x86.get_pc_thunk.dx f: add $0x2,%edx 11: R_386_GOTPC _GLOBAL_OFFSET_TABLE_ 15: call *%gs:0x10 1c: mov 0x0(%edx),%edx 1e: R_386_GOT32 __curbrk 22: cmp %eax,%ebx 24: mov %eax,(%edx) 26: ja 30 <__brk+0x30> 28: xor %eax,%eax 2a: pop %ebx 2b: ret instead of <__brk>: 0: push %ebx 1: mov 0x8(%esp),%ecx 5: call 6 <__brk+0x6> 6: R_386_PC32 __x86.get_pc_thunk.bx a: add $0x2,%ebx c: R_386_GOTPC _GLOBAL_OFFSET_TABLE_ 10: xchg %ecx,%ebx 12: mov $0x2d,%eax 17: call *%gs:0x10 1e: xchg %ecx,%ebx 20: mov %eax,%edx 22: mov 0x0(%ebx),%eax 24: R_386_GOT32 __curbrk 28: mov %edx,(%eax) 2a: xor %eax,%eax 2c: cmp %edx,%ecx 2e: ja 38 <__brk+0x38> 30: pop %ebx 31: ret The new one is shorter by 2 instructions. * sysdeps/unix/sysv/linux/i386/libc-do-syscall.S (__libc_do_syscall): Defined only if !__GNUC_PREREQ (5,0). * sysdeps/unix/sysv/linux/i386/sysdep.h: Define assembler macros only if !__GNUC_PREREQ (5,0). (INTERNAL_SYSCALL_MAIN_6): Optimize for GCC 5. (INTERNAL_SYSCALL_MAIN_INLINE): Likewise. (INTERNAL_SYSCALL_NCS): Likewise. (LOADREGS_0): New macro for GCC 5. (ASMARGS_0): Likewise. (LOADREGS_1): Likewise. (ASMARGS_1): Likewise. (LOADREGS_2): Likewise. (ASMARGS_2): Likewise. (LOADREGS_3): Likewise. (ASMARGS_3): Likewise. (LOADREGS_4): Likewise. (ASMARGS_4): Likewise. (LOADREGS_5): Likewise. (ASMARGS_5): Likewise. (LOADREGS_6): Likewise. (ASMARGS_6): Likewise. |
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H.J. Lu
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83c01ab32b |
i386: Remove syscall assembly codes with 6 arguments
This patch removes i386 assembly implementation for mmap, mmap64,
semtimeop now that i386 have 6 argument syscall support from C code
and GCC 5 can inline syscalls with 6 arguments. We also compile mmap.c,
mmap64.c and semtimedop.c with -fomit-frame-pointer since %ebp may be
used to pass the 6th argument to syscall.
Fo sysdeps/unix/sysv/linux/i386/mmap.c, with -O2 -march=i686
-mtune=generic, GCC 5.2 now generates:
<__mmap>:
0: sub $0x10,%esp
3: mov 0x28(%esp),%eax
7: mov %ebx,(%esp)
a: mov 0x18(%esp),%ecx
e: mov %esi,0x4(%esp)
12: mov 0x14(%esp),%ebx
16: mov %edi,0x8(%esp)
1a: mov 0x1c(%esp),%edx
1e: test $0xfff,%eax
23: mov 0x20(%esp),%esi
27: mov %ebp,0xc(%esp)
2b: mov 0x24(%esp),%edi
2f: jne 60 <__mmap+0x60>
31: shr $0xc,%eax
34: mov %eax,%ebp
36: mov $0xc0,%eax
3b: call *%gs:0x10
42: cmp $0xfffff000,%eax
47: ja 65 <__mmap+0x65>
49: mov (%esp),%ebx
4c: mov 0x4(%esp),%esi
50: mov 0x8(%esp),%edi
54: mov 0xc(%esp),%ebp
58: add $0x10,%esp
5b: ret
5c: lea 0x0(%esi,%eiz,1),%esi
60: mov $0xffffffea,%eax
65: mov (%esp),%ebx
68: mov 0x4(%esp),%esi
6c: mov 0x8(%esp),%edi
70: mov 0xc(%esp),%ebp
74: add $0x10,%esp
77: jmp 78 <__mmap+0x78>
vs sysdeps/unix/sysv/linux/i386/mmap.S:
<__mmap>:
0: push %ebp
1: push %ebx
2: push %esi
3: push %edi
4: mov 0x14(%esp),%ebx
8: mov 0x18(%esp),%ecx
c: mov 0x1c(%esp),%edx
10: mov 0x20(%esp),%esi
14: mov 0x24(%esp),%edi
18: mov 0x28(%esp),%ebp
1c: test $0xfff,%ebp
22: mov $0xffffffea,%eax
27: jne 38 <__mmap+0x38>
29: shr $0xc,%ebp
2c: mov $0xc0,%eax
31: call *%gs:0x10
38: pop %edi
39: pop %esi
3a: pop %ebx
3b: pop %ebp
3c: cmp $0xfffff000,%eax
41: ja 44 <__mmap+0x44>
43: ret
44: call 45 <__mmap+0x45> 45: R_386_PC32 __x86.get_pc_thunk.cx
49: add $0x2,%ecx 4b: R_386_GOTPC _GLOBAL_OFFSET_TABLE_
4f: mov 0x0(%ecx),%ecx 51: R_386_TLS_GOTIE __libc_errno
55: neg %eax
57: mov %eax,%gs:(%ecx)
5a: or $0xffffffff,%eax
5d: ret
The C version has:
3: mov 0x28(%esp),%eax
...
1e: test $0xfff,%eax
...
31: sar $0xc,%eax
34: mov %eax,%ebp
is due to missing $ebx register constraint for inline asm. We have
to use "r" constraint with
register unsigned int _a6 asm ("ebp") = (unsigned int) (arg6);
and compiler chose %eax for offset (arg6) in
if (offset & (MMAP_PAGE_UNIT - 1))
* sysdeps/unix/sysv/linux/i386/Makefile (CFLAGS-epoll_pwait.c):
Add -fomit-frame-pointer.
(CFLAGS-mmap.c): Likewise.
(CFLAGS-mmap64.c): Likewise.
(CFLAGS-semtimedop.c): Likewise.
* sysdeps/unix/sysv/linux/i386/mmap.c: New file.
* sysdeps/unix/sysv/linux/i386/mmap.S: Remove file.
* sysdeps/unix/sysv/linux/i386/mmap64.S: Likewise.
* sysdeps/unix/sysv/linux/i386/semtimedop.S: Likewise.
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H.J. Lu
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d3d9c95aef |
Support PLT and GOT references in local PIC check
Linker in binutils 2.26 and newer generate GOT references instead PLT references when -z now is passed to linker. We need to extend scripts/localplt.awk to allow PLT or GOT references. [BZ #19007] * scripts/localplt.awk: Also allow GOT references. * sysdeps/unix/sysv/linux/i386/localplt.data: Mark _Unwind_Find_FDE, calloc, memalign, realloc and __libc_memalign with "+ REL R_386_GLOB_DAT". * sysdeps/x86_64/localplt.data: Mark calloc, memalign, realloc and __libc_memalign with "+ RELA R_X86_64_GLOB_DAT". |
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H.J. Lu
|
8f763b04a0 |
Use INTERNAL_SYSCALL and INLINE_SYSCALL_ERROR_RETURN_VALUE
This patch uses INTERNAL_SYSCALL and INLINE_SYSCALL_ERROR_RETURN_VALUE to avoid reading and writing errno directly so that we don't need to call __x86.get_pc_thunk.reg to load PC into reg in case there is an error. * sysdeps/unix/sysv/linux/i386/brk.c (__brk): Use INLINE_SYSCALL_ERROR_RETURN_VALUE. * sysdeps/unix/sysv/linux/i386/fxstatat.c (__fxstatat): Likewise. * sysdeps/unix/sysv/linux/i386/setegid.c (setegid): Likewise. * sysdeps/unix/sysv/linux/i386/seteuid.c (seteuid): Likewise. * sysdeps/unix/sysv/linux/i386/fxstat.c (__fxstat): Use INTERNAL_SYSCALLINTERNAL_SYSCALL and INLINE_SYSCALL_ERROR_RETURN_VALUE. * sysdeps/unix/sysv/linux/i386/lockf64.c (lockf64): Likewise. * sysdeps/unix/sysv/linux/i386/lxstat.c (__lxstat): Likewise. * sysdeps/unix/sysv/linux/i386/sigaction.c (__libc_sigaction): Likewise. * sysdeps/unix/sysv/linux/i386/xstat.c (__xstat): Likewise. |
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H.J. Lu
|
fb1cf10811 |
Add INLINE_SYSCALL_ERROR_RETURN_VALUE
For ia32 PIC, the first thing of many syscalls does is to call __x86.get_pc_thunk.reg to load PC into reg in case there is an error, which is required for setting errno. In most cases, there are no errors. But we still call __x86.get_pc_thunk.reg. This patch adds INLINE_SYSCALL_ERROR_RETURN_VALUE so that i386 can optimize setting errno by branching to the internal __syscall_error without PLT. With i386 INLINE_SYSCALL_ERROR_RETURN_VALUE and i386 syscall inlining optimization for GCC 5, for sysdeps/unix/sysv/linux/fchmodat.c with -O2 -march=i686 -mtune=generic, GCC 5.2 now generates: <fchmodat>: 0: push %ebx 1: mov 0x14(%esp),%eax 5: mov 0x8(%esp),%ebx 9: mov 0xc(%esp),%ecx d: mov 0x10(%esp),%edx 11: test $0xfffffeff,%eax 16: jne 38 <fchmodat+0x38> 18: test $0x1,%ah 1b: jne 48 <fchmodat+0x48> 1d: mov $0x132,%eax 22: call *%gs:0x10 29: cmp $0xfffff000,%eax 2e: ja 58 <fchmodat+0x58> 30: pop %ebx 31: ret 32: lea 0x0(%esi),%esi 38: pop %ebx 39: mov $0xffffffea,%eax 3e: jmp 3f <fchmodat+0x3f> 3f: R_386_PC32 __syscall_error 43: nop 44: lea 0x0(%esi,%eiz,1),%esi 48: pop %ebx 49: mov $0xffffffa1,%eax 4e: jmp 4f <fchmodat+0x4f> 4f: R_386_PC32 __syscall_error 53: nop 54: lea 0x0(%esi,%eiz,1),%esi 58: pop %ebx 59: jmp 5a <fchmodat+0x5a> 5a: R_386_PC32 __syscall_error instead of <fchmodat>: 0: sub $0x8,%esp 3: mov 0x18(%esp),%eax 7: mov %ebx,(%esp) a: call b <fchmodat+0xb> b: R_386_PC32 __x86.get_pc_thunk.bx f: add $0x2,%ebx 11: R_386_GOTPC _GLOBAL_OFFSET_TABLE_ 15: mov %edi,0x4(%esp) 19: test $0xfffffeff,%eax 1e: jne 70 <fchmodat+0x70> 20: test $0x1,%ah 23: jne 88 <fchmodat+0x88> 25: mov 0x14(%esp),%edx 29: mov 0x10(%esp),%ecx 2d: mov 0xc(%esp),%edi 31: xchg %ebx,%edi 33: mov $0x132,%eax 38: call *%gs:0x10 3f: xchg %edi,%ebx 41: cmp $0xfffff000,%eax 46: ja 58 <fchmodat+0x58> 48: mov (%esp),%ebx 4b: mov 0x4(%esp),%edi 4f: add $0x8,%esp 52: ret 53: nop 54: lea 0x0(%esi,%eiz,1),%esi 58: mov 0x0(%ebx),%edx 5a: R_386_TLS_GOTIE __libc_errno 5e: neg %eax 60: mov %eax,%gs:(%edx) 63: mov $0xffffffff,%eax 68: jmp 48 <fchmodat+0x48> 6a: lea 0x0(%esi),%esi 70: mov 0x0(%ebx),%eax 72: R_386_TLS_GOTIE __libc_errno 76: movl $0x16,%gs:(%eax) 7d: mov $0xffffffff,%eax 82: jmp 48 <fchmodat+0x48> 84: lea 0x0(%esi,%eiz,1),%esi 88: mov 0x0(%ebx),%eax 8a: R_386_TLS_GOTIE __libc_errno 8e: movl $0x5f,%gs:(%eax) 95: mov $0xffffffff,%eax 9a: jmp 48 <fchmodat+0x48> * sysdeps/unix/sysv/linux/sysdep.h: New file. * sysdeps/unix/sysv/linux/i386/sysdep.c: Likewise. * sysdeps/unix/sysv/linux/alpha/sysdep.h: Include <sysdeps/unix/sysv/linux/sysdep.h>. * sysdeps/unix/sysv/linux/arm/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/generic/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/hppa/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/ia64/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/m68k/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/microblaze/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n32/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n64/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/sh/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/sparc/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/x86_64/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/i386/Makefile [$(subdir) == csu] (sysdep-dl-routines): Add sysdep. [$(subdir) == nptl] (libpthread-routines): Likewise. [$(subdir) == rt] (librt-routines): Likewise. * sysdeps/unix/sysv/linux/i386/clone.S (__clone): Don't check PIC when branching to SYSCALL_ERROR_LABEL. * sysdeps/unix/sysv/linux/i386/sysdep.S: Removed. * sysdeps/unix/sysv/linux/i386/sysdep.h: Include <sysdeps/unix/sysv/linux/sysdep.h>. (SYSCALL_ERROR_LABEL): Changed to __syscall_error. (SYSCALL_ERROR_ERRNO): Removed. (SYSCALL_ERROR_HANDLER): Changed to empty. (SYSCALL_ERROR_HANDLER_TLS_STORE): Likewise. (__syscall_error): New prototype. [IS_IN (libc)] (INLINE_SYSCALL): New macro. (INLINE_SYSCALL_ERROR_RETURN_VALUE): Likewise. |
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H.J. Lu
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f6d1d86d0c |
Move sysdeps/unix/sysv/linux/i386/i486/*.? to i386
Since glibc doesn't support i386 any more, we can move sysdeps/unix/sysv/linux/i386/i486/*.? to i386. [BZ #19006] * sysdeps/unix/sysv/linux/i386/i486/libc-lowlevellock.S: Moved to ... * sysdeps/unix/sysv/linux/i386/libc-lowlevellock.S: Here. * sysdeps/unix/sysv/linux/i386/i486/lll_timedlock_wait.c: Moved to ... * sysdeps/unix/sysv/linux/i386/lll_timedlock_wait.c: Here. * sysdeps/unix/sysv/linux/i386/i486/lll_timedwait_tid.c: Moved to ... * sysdeps/unix/sysv/linux/i386/lll_timedwait_tid.c: Here. * sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S: Moved to ... * sysdeps/unix/sysv/linux/i386/lowlevellock.S: Here. * sysdeps/unix/sysv/linux/i386/i486/lowlevelrobustlock.S: Moved to ... * sysdeps/unix/sysv/linux/i386/lowlevelrobustlock.S: Here. * sysdeps/unix/sysv/linux/i386/i486/pthread_barrier_wait.S: Moved to ... * sysdeps/unix/sysv/linux/i386/pthread_barrier_wait.S: Here. * sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.S: Moved to ... * sysdeps/unix/sysv/linux/i386/pthread_cond_broadcast.S: Here. * sysdeps/unix/sysv/linux/i386/i486/pthread_cond_signal.S: Moved to ... * sysdeps/unix/sysv/linux/i386/pthread_cond_signal.S: Here. * sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S: Moved to ... * sysdeps/unix/sysv/linux/i386/pthread_cond_timedwait.S: Here. * sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S: Moved to ... * sysdeps/unix/sysv/linux/i386/pthread_cond_wait.S: Here. * sysdeps/unix/sysv/linux/i386/i586/libc-lowlevellock.S: Removed. * sysdeps/unix/sysv/linux/i386/i586/lll_timedlock_wait.c: Likewise. * sysdeps/unix/sysv/linux/i386/i586/lll_timedwait_tid.c: Likewise. * sysdeps/unix/sysv/linux/i386/i586/lowlevellock.S: Likewise. * sysdeps/unix/sysv/linux/i386/i586/lowlevelrobustlock.S: Likewise. * sysdeps/unix/sysv/linux/i386/i586/pthread_barrier_wait.S: Likewise. * sysdeps/unix/sysv/linux/i386/i586/pthread_cond_broadcast.S: Likewise. * sysdeps/unix/sysv/linux/i386/i586/pthread_cond_signal.S: Likewise. * sysdeps/unix/sysv/linux/i386/i586/pthread_cond_timedwait.S: Likewise. * sysdeps/unix/sysv/linux/i386/i586/pthread_cond_wait.S: Likewise. * sysdeps/unix/sysv/linux/i386/i686/libc-lowlevellock.S: Likewise. * sysdeps/unix/sysv/linux/i386/i686/lll_timedlock_wait.c: Likewise. * sysdeps/unix/sysv/linux/i386/i686/lll_timedwait_tid.c: Likewise. * sysdeps/unix/sysv/linux/i386/i686/lowlevellock.S: Likewise. * sysdeps/unix/sysv/linux/i386/i686/lowlevelrobustlock.S: Likewise. * sysdeps/unix/sysv/linux/i386/i686/pthread_barrier_wait.S: Likewise. * sysdeps/unix/sysv/linux/i386/i686/pthread_cond_broadcast.S: Likewise. * sysdeps/unix/sysv/linux/i386/i686/pthread_cond_signal.S: Likewise. * sysdeps/unix/sysv/linux/i386/i686/pthread_cond_wait.S: Likewise. * sysdeps/unix/sysv/linux/i386/i686/pthread_cond_timedwait.S: Replace ../i486/pthread_cond_timedwait.S with ../pthread_cond_timedwait.S. |
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Andreas Schwab
|
be481652f2 |
Remove __ASSUME_IPC64
PowerPC has always used __IPC_64 like most other architectures, which means that __ASSUME_IPC64 can be always true. Also, all other architecture implementations that use the ipc syscall are effectively identical to the generic version and can be removed. |
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H.J. Lu
|
7e58ab243d |
Call __setcontext with HIDDEN_JUMPTARGET
i386 __makecontext should call __setcontext with HIDDEN_JUMPTARGET. [BZ #18822] * sysdeps/unix/sysv/linux/i386/makecontext.S (__makecontext): Don't load %ebx when calling __setcontext. Call __setcontext with HIDDEN_JUMPTARGET. * sysdeps/unix/sysv/linux/i386/setcontext.S (__setcontext): Add libc_hidden_def. |
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H.J. Lu
|
3552daa7ac |
Use x86-64 cacheinfo.c and sysconf.c for x86
Since _dl_x86_cpu_features is always available, we can use x86-64 cacheinfo.c and sysconf.c for both i386 and x86-64. * sysdeps/i386/i686/Makefile [$(subdir) == string] (sysdep_routines): Moved to ... * sysdeps/i386/Makefile: Here. * sysdeps/i386/i686/cacheinfo.c: Moved to ... * sysdeps/i386/cacheinfo.c: Here. * sysdeps/unix/sysv/linux/i386/sysconf.c: Removed. * sysdeps/unix/sysv/linux/i386/i686/sysconf.c: Likewise. * sysdeps/unix/sysv/linux/x86_64/sysconf.c: Moved to ... * sysdeps/unix/sysv/linux/x86/sysconf.c: Here. |
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Andreas Schwab
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bbab82c25d | Properly terminate FDE in makecontext for ix86 (bug 18635) | |
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H.J. Lu
|
9637d8a253 |
Extend local PLT reference check
On x86, linker in binutils 2.26 and newer consolidates R_*_JUMP_SLOT with R_*_GLOB_DAT relocation against the same symbol. This patch extends local PLT reference check to support alternate relocations. [BZ #18078] * scripts/check-localplt.awk: Support alternate relocations. * scripts/localplt.awk: Also check relocations in DT_RELA/DT_REL sections. * sysdeps/unix/sysv/linux/i386/localplt.data: Mark free and malloc entries with + REL R_386_GLOB_DAT. * sysdeps/x86_64/localplt.data: New file. |
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Roland McGrath
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af85d409a2 | PLT avoidance for _exit in rtld. | |
Adhemerval Zanella
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fdb7d390dd |
libio: fmemopen rewrite to POSIX compliance
This patch added a new fmemopen version, for glibc 2.22, that aims to be POSIX complaint. It fixes some long-stading glibc fmemopen issues, such as: * it changes the way fseek with SEEK_END works on fmemopen to seek relative to buffer size instead of first '\0'. This is default mode and 'b' opening mode does not change internal behavior (bz#6544). * fix apending opening mode to use as start position either first null byte of len specified in function call (bz#13152 and #13151). * remove binary option 'b' and internal different handling (bz#12836) * fix seek/SEE_END with negative values (bz#14292). A compatibility symbol is provided to with old behavior for older symbols version (2.2.5). * include/stdio.h (fmemopen): Remove hidden prototype. (__fmemopen): Add new hidden prototype. * libio/Makefile: Add oldfmemopen object. * libio/Versions [GLIBC_2.22]: Add new fmemopen symbol. * libio/fmemopen.c (__fmemopen): Function rewrite to be POSIX compliance. * libio/oldfmemopen.c: New file: old fmemopen implementation for symbol compatibility. * stdio-common/Makefile [tests]: Add new tst-fmemopen3. * stdio-common/psiginfo.c [psiginfo]: Call __fmemopen instead of fmemopen. * stdio-common/tst-fmemopen3.c: New file: more fmemopen tests, focus on append and read mode. * sysdeps/unix/sysv/linux/aarch64/libc.abilist [GLIBC_2.22]: Add fmemopen. * sysdeps/unix/sysv/linux/alpha/libc.abilist [GLIBC_2.22]: Likewise. * sysdeps/unix/sysv/linux/arm/libc.abilist [GLIBC_2.22]: Likewise. * sysdeps/unix/sysv/linux/i386/libc.abilist [GLIBC_2.22]: Likewise. * sysdeps/unix/sysv/linux/ia64/libc.abilist [GLIBC_2.22]: Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist [GLIBC_2.22]: Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist [GLIBC_2.22]: Likewise. * sysdeps/unix/sysv/linux/microblaze/libc.abilist [GLIBC_2.22]: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist [GLIBC_2.22]: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist [GLIBC_2.22]: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist [GLIBC_2.22]: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist [GLIBC_2.22]: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist [GLIBC_2.22]: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist [GLIBC_2.22]: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist [GLIBC_2.22]: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist [GLIBC_2.22]: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist [GLIBC_2.22]: Likewise. * sysdeps/unix/sysv/linux/sh/libc.abilist [GLIBC_2.22]: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist [GLIBC_2.22]: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist [GLIBC_2.22]: Likewise. * sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libc.abilist [GLIBC_2.22]: Likewise. * sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libc.abilist [GLIBC_2.22]: Likewise. * sysdeps/unix/sysv/linux/tile/tilepro/libc.abilist [GLIBC_2.22]: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libc.abilist [GLIBC_2.22]: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist [GLIBC_2.22]: Likewise. * sysdeps/unix/sysv/linux/hppa/libc.abilist [GLIBC_2.22]: Likewise. * sysdeps/unix/sysv/linux/nios2/libc.abilist [GLIBC_2.22]: Likewise. |
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Torvald Riegel
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4eb984d3ab |
Clean up BUSY_WAIT_NOP and atomic_delay.
This patch combines BUSY_WAIT_NOP and atomic_delay into a new atomic_spin_nop function and adjusts all clients. The new function is put into atomic.h because what is best done in a spin loop is architecture-specific, and atomics must be used for spinning. The function name is meant to tell users that this has no effect on synchronization semantics but is a performance aid for spinning. |
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Joseph Myers
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90dd591393 |
Fix mq_notify pthread_barrier_* namespace (bug 18544).
mq_notify (present in POSIX by 1996) brings in references to pthread_barrier_init and pthread_barrier_wait (new in the 2001 edition of POSIX). This patch fixes this by making those functions into weak aliases of __pthread_barrier_*, exporting the __pthread_barrier_* names at version GLIBC_PRIVATE and using them in mq_notify. Tested for x86_64 and x86 (testsuite, and comparison of installed stripped shared libraries). Changes in addresses from dynamic symbol table / PLT changes render most comparisons not particularly useful, but when the addresses of subsequent code don't change there's no sign of unexpected changes there. This patch does not remove any linknamespace XFAILs because of other namespace issues remaining with mqueue.h functions. [BZ #18544] * nptl/pthread_barrier_init.c (pthread_barrier_init): Rename to __pthread_barrier_init and define as weak alias of __pthread_barrier_init. * sysdeps/sparc/nptl/pthread_barrier_init.c (pthread_barrier_init): Likewise. * nptl/pthread_barrier_wait.c (pthread_barrier_wait): Rename to __pthread_barrier_wait and define as weak alias of __pthread_barrier_wait. * sysdeps/sparc/nptl/pthread_barrier_wait.c (pthread_barrier_wait): Likewise. * sysdeps/sparc/sparc32/pthread_barrier_wait.c (pthread_barrier_wait): Likewise. * sysdeps/unix/sysv/linux/i386/i486/pthread_barrier_wait.S (pthread_barrier_wait): Likewise. * sysdeps/unix/sysv/linux/x86_64/pthread_barrier_wait.S (pthread_barrier_wait): Likewise. * nptl/Versions (libpthread): Export __pthread_barrier_init and __pthread_barrier_wait at version GLIBC_PRIVATE. * include/pthread.h (__pthread_barrier_init): Declare. (__pthread_barrier_wait): Likewise. * sysdeps/unix/sysv/linux/mq_notify.c (notification_function): Call __pthread_barrier_wait instead of pthread_barrier_wait. (helper_thread): Likewise. (init_mq_netlink): Call __pthread_barrier_init instead of pthread_barrier_init. |
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Adhemerval Zanella
|
7cbeabac0f |
x86: Remove vsyscall usage
This patch removes the vsyscall usage for x86_64 port. As indicated by kernel code comments [1], vsyscalls are a legacy ABI and its concept is problematic: - It interferes with ASLR. - It's awkward to write code that lives in kernel addresses but is callable by userspace at fixed addresses. - The whole concept is impossible for 32-bit compat userspace. - UML cannot easily virtualize a vsyscall. The VDSO is a better approach for such functionality. Tested on i686, x86_64, and x32. * sysdeps/unix/sysv/linux/i386/gettimeofday.c (__gettimeofday_syscall): Remove vsyscall fallback. * sysdeps/unix/sysv/linux/i386/time.c (__time_syscall): Likewise. * sysdeps/unix/sysv/linux/x86/gettimeofday.c (__gettimeofday_syscall): Add syscall fallback function. (gettimeofday_ifunc): Use __gettimeofday_syscall as fallback mechanism if vDSO is not present. * sysdeps/unix/sysv/linux/x86/time.c (__time_syscall): Add syscall fallback function. (time_ifunc): Use __time_syscall as fallback mechanism if vDSO is not present. * sysdeps/unix/sysv/linux/x86_64/gettimeofday.c: Remove file. * sysdeps/unix/sysv/linux/x86_64/time.c: Likewise. [1] arch/x86/kernel/vsyscall_64.c |
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Adhemerval Zanella
|
c6bb095eb5 |
nptl: Rewrite cancellation macros
This patch changes the way cancellation entrypoints are defined to
instead call the macro SYSCALL_CANCEL. An usual cnacellation definition
is defined as:
if (SINGLE_THREAD_P)
return INLINE_SYSCALL (syscall, NARGS, args...)
int oldtype = LIBC_CANCEL_ASYNC ();
return INLINE_SYSCALL (syscall, NARGS, args...)
LIBC_CANCEL_RESET (oldtype);
And it is rewrited as just:
SYSCALL_CANCEL (syscall, args...)
The idea is to remove LIBC_CANCEL_ASYNC/LIBC_CANCEL_RESET explicit
usage.
Tested on i386, x86_64, powerpc32, powerpc64le, arm, and aarch64.
* sysdeps/unix/sysdep.h [SYSCALL_CANCEL]: New macro: define
cancellable syscalls.
(SYS_ify): Add guard to no redefine it.
(INLINE_SYSCALL): Likewise.
* sysdeps/unix/sysv/linux/accept4.c (accept4): Remove
LIBC_CANCEL_ASYNC/INLINE_SYSCALL/LIBC_CANCEL_RESET and use
SYSCALL_CANCEL instead.
* sysdeps/unix/sysv/linux/alpha/fdatasync.c (__fdatasync): Likewise.
* sysdeps/unix/sysv/linux/arm/pread.c (__libc_pread): Likewise.
* sysdeps/unix/sysv/linux/arm/pread64.c (__libc_pread64): Likewise.
* sysdeps/unix/sysv/linux/arm/pwrite.c (__libc_pwrite): Likewise.
* sysdeps/unix/sysv/linux/arm/pwrite64.c (__libc_pwrite64): Likewise.
* sysdeps/unix/sysv/linux/epoll_pwait.c (epoll_pwait): Likewise.
* sysdeps/unix/sysv/linux/fallocate.c (fallocate): Likewise.
* sysdeps/unix/sysv/linux/fallocate64.c (fallocate64): Likewise.
* sysdeps/unix/sysv/linux/generic/open.c (__libc_open): Likewise.
* sysdeps/unix/sysv/linux/generic/open64.c (__libc_open64): Likewise.
* sysdeps/unix/sysv/linux/generic/pause.c (__libc_pause): Likewise.
* sysdeps/unix/sysv/linux/generic/poll.c (__poll): Likewise.
* sysdeps/unix/sysv/linux/generic/recv.c (__libc_recv): Likewise.
* sysdeps/unix/sysv/linux/generic/select.c (__select): Likewise.
* sysdeps/unix/sysv/linux/generic/send.c (__libc_send): Likewise.
* sysdeps/unix/sysv/linux/generic/wordsize-32/pread.c (__libc_pread):
Likewise.
* sysdeps/unix/sysv/linux/generic/wordsize-32/pread64.c
(__libc_pread64): Likewise.
* sysdeps/unix/sysv/linux/generic/wordsize-32/preadv.c
(__libc_preadv): Likewise.
* sysdeps/unix/sysv/linux/generic/wordsize-32/preadv64.c
(__libc_readv64): Likewise.
* sysdeps/unix/sysv/linux/generic/wordsize-32/pwrite.c
(__libc_pwrite): Likewise.
* sysdeps/unix/sysv/linux/generic/wordsize-32/pwrite64.c
(__libc_pwrite64): Likewise.
* sysdeps/unix/sysv/linux/generic/wordsize-32/pwritev.c
(__libc_pwritev): Likewise.
* sysdeps/sysv/linux/generic/wordsize-32/pwritev64.c
(__libc_pwritev64): Likewise.
* sysdeps/unix/sysv/linux/i386/fcntl.c (__libc_fcntl): Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/sync_file_range.c
(sync_file_range): Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n32/fallocate.c (fallocate):
Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n32/fallocate64.c (fallocate64):
Likewise.
* sysdeps/unix/sysv/linux/mips/pread.c (__libc_pread): Likewise.
* sysdeps/unix/sysv/linux/mips/pread64.c (__libc_pread64): Likewise.
* sysdeps/unix/sysv/linux/mips/pwrite.c (__libc_pwrite): Likewise.
* sysdeps/unix/sysv/linux/mips/pwrite64.c (__libc_pwrite64): Likewise.
* sysdeps/unix/sysv/linux/msgrcv.c (__libc_msgrcv): Likewise.
* sysdeps/unix/sysv/linux/msgsnd.c (__libc_msgsnd): Likewise.
* sysdeps/unix/sysv/linux/open64.c (__libc_open64): Likewise.
* sysdeps/unix/sysv/linux/openat.c (__libc_openat): Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/pread.c (__libc_pread):
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/pread64.c
(__libc_read64): Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/pwrite.c (__libc_write):
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/pwrite64.c (__libc_write64):
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/fcntl.c (__libc_fcntl):
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/pread.c (__libc_pread):
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/pread64.c
(__libc_pread64): Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/pwrite.c (__libc_pwrite):
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/pwrite64.c
(__libc_pwrite64): Likewise.
* sysdeps/sysv/linux/powerpc/powerpc64/sync_file_range.c
(sync_file_range): Likewise.
* sysdeps/unix/sysv/linux/ppoll.c (ppoll): Likewise.
* sysdeps/unix/sysv/linux/pread.c (__libc_pread): Likewise.
* sysdeps/unix/sysv/linux/pread64.c (__libc_pread64): Likewise.
* sysdeps/unix/sysv/linux/preadv.c (__libc_preadv): Likewise.
* sysdeps/unix/sysv/linux/pselect.c (__pselect): Likewise.
* sysdeps/unix/sysv/linux/pwrite.c (__libc_pwrite): Likewise.
* sysdeps/unix/sysv/linux/pwrite64.c (__libc_pwrite64): Likewise.
* sysdeps/unix/sysv/linux/pwritev.c (PWRITEV): Likewise.
* sysdeps/unix/sysv/linux/readv.c (__libc_readv): Likewise.
* sysdeps/unix/sysv/linux/recvmmsg.c (recvmmsg): Likewise.
* sysdeps/unix/sysv/linux/sendmmsg.c (sendmmsg): Likewise.
* sysdeps/unix/sysv/linux/sh/pread.c (__libc_pread): Likewise.
* sysdeps/unix/sysv/linux/sh/pread64.c (__libc_pread64): Likewise.
* sysdeps/unix/sysv/linux/sh/pwrite.c (__libc_pwrite): Likewise.
* sysdeps/unix/sysv/linux/sh/pwrite64.c (__libc_pwrite64): Likewise.
* sysdeps/unix/sysv/linux/sigsuspend.c (__sigsuspend): Likewise.
* sysdeps/unix/sysv/linux/sigtimedwait.c (__sigtimedwait): Likewise.
* sysdeps/unix/sysv/linux/sigwaitinfo.c (__sigwaitinfo): Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/msgrcv.c (__libc_msgrcv):
Likewise.
* sysdeps/unix/sysv/linux/sync_file_range.c (sync_file_range):
Likewise.
* sysdeps/unix/sysv/linux/tcdrain.c (__libc_tcdrain): Likewise.
* sysdeps/unix/sysv/linux/timer_routines.c (timer_helper_thread):
Likewise.
* sysdeps/unix/sysv/linux/wait.c (__libc_wait): Likewise.
* sysdeps/unix/sysv/linux/waitid.c (__waitid): Likewise.
* sysdeps/unix/sysv/linux/waitpid.c (__libc_waitpid): Likewise.
* sysdeps/unix/sysv/linux/wordsize-64/fallocate.c (fallocate):
Likewise.
* sysdeps/unix/sysv/linux/wordsize-64/preadv.c (preadv): Likewise.
* sysdeps/unix/sysv/linux/wordsize-64/pwritev.c (pwritev): Likewise.
* sysdeps/unix/sysv/linux/writev.c (__libc_writev): Likewise.
* sysdeps/unix/sysv/linux/x86_64/recv.c (__libc_recv): Likewise.
* sysdeps/unix/sysv/linux/x86_64/send.c (__libc_send): Likewise.
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Adhemerval Zanella
|
1395ef2107 |
x86: clock_gettime and timespec_get vDSO cleanup
This patch removes the x86 specific timespec_get and clock_gettime implementation to use generic HAVE_CLOCK_GETTIME_VSYSCALL way. |
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Roland McGrath
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68c97aef62 | Split timed-wait functions out of nptl/lowlevellock.c. | |
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Adhemerval Zanella
|
f534255e4d |
Consolidate vDSO macros and usage
This patch consolidate the Linux vDSO define and usage across all ports
that uses it. The common vDSO definitions and calling through
{INLINE/INTERNAL}_VSYSCALL macros are moved to a common header
sysdep-vdso.h and vDSO name declaration and prototype is defined
using a common macro.
Also PTR_{MANGLE,DEMANGLE} is added to ports that does not use them
for vDSO calls (aarch64, powerpc, s390, and tile) and thus it will
reflect in code changes. For ports that already implement pointer
mangling/demangling in vDSO system (i386, x32, x86_64) this patch
is mainly a code refactor.
Checked on x32, x86_64, x32, ppc64le, and aarch64.
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Adhemerval Zanella
|
60dce8b904 |
Remove socket.S implementation
This patch removes the socket.S implementation for all ports and replace it by a C implementation using socketcall. For ports that implement the syscall directly, there is no change. The patch idea is to simplify the socket function implementation that uses the socketcall to be based on C implemetation instead of a pseudo assembly implementation with arch specific parts. The patch then remove the assembly implementatation for the ports which uses socketcall (i386, microblaze, mips, powerpc, sparc, m68k, s390 and sh). I have cross-build GLIBC for afore-mentioned ports and tested on both i386 and ppc32 without regressions. |
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Adhemerval Zanella
|
96dffc26dc |
i386: Remove six-argument specialized implementations
This patch removes the specialized i386 assembly implementations for
fallocate{64}, pselect, and sync_file_range now that i386 have
support for 6 argument syscalls.
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Roland McGrath
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d2ee815ad6 | Refactor scandir/scandirat to use common tail. | |
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Roland McGrath
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83c1089325 | Break __scandir_cancel_handler out into its own file. | |
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Florian Weimer
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4bd40bcf44 |
i386: Remove fallocate, fallocate64, posix_fallocate, posix_fallocate64
With 6-argument system call support, the generic Linux implementations of these system calls work, and there is no need for i386-specific versions. |
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Joseph Myers
|
9fa55373e1 |
Remove unused macros from i386 lowlevellock.h.
In the course of the work on six-argument syscalls I noticed that the i386 lowlevellock.h contained some unused macro definitions (already unused before my patch). This patch removes them. Tested for x86 that installed stripped shared libraries are unchanged by this patch. * sysdeps/unix/sysv/linux/i386/lowlevellock.h (LLL_EBX_LOAD): Remove macro. (LLL_EBX_REG): Likewise. (LLL_ENTER_KERNEL): Likewise. |
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Joseph Myers
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a9fe4c5aa8 |
Support six-argument syscalls from C for 32-bit x86, use generic lowlevellock-futex.h (bug 18138).
This patch follows the approach outlined in <https://sourceware.org/ml/libc-alpha/2015-03/msg00656.html> to support six-argument syscalls from INTERNAL_SYSCALL for 32-bit x86, making them call a function __libc_do_syscall that takes the syscall number and three syscall arguments in the registers in which the kernel expects them, along with a pointer to a structure containing the other three arguments. In turn, this allows the generic lowlevellock-futex.h to be used on 32-bit x86, so supporting lll_futex_timed_wait_bitset (and so allowing FUTEX_CLOCK_REALTIME to be used in various cases, so fixing bug 18138 for 32-bit x86 and leaving hppa as the only architecture missing lll_futex_timed_wait_bitset). The change to lowlevellock.h's definition of SYS_futex is because the generic lowlevelloc-futex.h ends up bringing in bits/syscall.h which defines SYS_futex to __NR_futex, so resulting in redefinition errors. The revised definition in lowlevellock.h is in line with what the x86_64 version does. __libc_do_syscall is only needed in libpthread at present (meaning nothing special needs to be done to make it shared-only in most libraries containing it, static in libc only, as on ARM). Tested for 32-bit x86, with the glibc testsuite and with the test in bug 18138. The failures seen FAIL: nptl/tst-cleanupx4 FAIL: rt/tst-cpuclock2 are pre-existing. [BZ #18138] * sysdeps/unix/sysv/linux/i386/sysdep.h (struct libc_do_syscall_args): New structure. (INTERNAL_SYSCALL_MAIN_0): New macro. (INTERNAL_SYSCALL_MAIN_1): Likewise. (INTERNAL_SYSCALL_MAIN_2): Likewise. (INTERNAL_SYSCALL_MAIN_3): Likewise. (INTERNAL_SYSCALL_MAIN_4): Likewise. (INTERNAL_SYSCALL_MAIN_5): Likewise. (INTERNAL_SYSCALL_MAIN_6): Likewise. Call __libc_do_syscall. (INTERNAL_SYSCALL): Define to use INTERNAL_SYSCALL_MAIN_##nr. Replace conditional definitions by conditional definitions of .... (INTERNAL_SYSCALL_MAIN_INLINE): ... this. New macro. * sysdeps/unix/sysv/linux/i386/libc-do-syscall.S: New file. * sysdeps/unix/sysv/linux/i386/Makefile [$(subdir) = nptl] (libpthread-sysdep_routines): Add libc-do-syscall. * sysdeps/unix/sysv/linux/i386/lowlevellock-futex.h: Remove file. * sysdeps/unix/sysv/linux/i386/lowlevellock.h (SYS_futex): Define to __NR_futex not 240. |
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Joseph Myers
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1a2325c06c |
Fix posix_spawn getrlimit64 namespace (bug 17991).
posix_spawn (a standard POSIX function) brings in a use of getrlimit64 (not a standard POSIX function). This patch fixes this by using __getrlimit64 and making getrlimit64 a weak alias. This is more complicated than some such changes because of files that define getrlimit64 in their own way using symbol versioning after including the main sysdeps/unix/sysv/linux/getrlimit64.c with a getrlimit macro defined. There are various existing patterns for such cases in glibc; the one I've used here is that a getrlimit64 macro disables the weak_alias / libc_hidden_weak calls, leaving it to the including file to define the getrlimit64 name in whatever way is appropriate. Tested for x86_64 and x86 that installed stripped shared libraries are unchanged by this patch. [BZ #17991] * include/sys/resource.h (__getrlimit64): Declare. Use libc_hidden_proto. * resource/getrlimit64.c (getrlimit64): Rename to __getrlimit64 and define as weak alias of __getrlimit64. Use libc_hidden_weak. * sysdeps/posix/spawni.c (__spawni): Call __getrlimit64 instead of getrlimit64. * sysdeps/unix/sysv/linux/getrlimit64.c (getrlimit64): Rename to __getrlimit64. [!getrlimit64] (getrlimit64): Define as weak alias of __getrlimit64. Use libc_hidden_weak. * sysdeps/unix/sysv/linux/i386/getrlimit64.c (getrlimit64): Define using __getrlimit64 not __new_getrlimit64. (__GI_getrlimit64): Likewise. * sysdeps/unix/sysv/linux/mips/getrlimit64.c (getrlimit64): Likewise. (__GI_getrlimit64): Likewise. (__old_getrlimit64): Use __getrlimit64 not __new_getrlimit64. * sysdeps/unix/sysv/linux/powerpc/powerpc64/syscalls.list (getrlimit): Add __getrlimit64 alias. * sysdeps/unix/sysv/linux/wordsize-64/syscalls.list (getrlimit): Likewise. * conform/Makefile (test-xfail-XOPEN2K/spawn.h/linknamespace): Remove variable. (test-xfail-POSIX2008/spawn.h/linknamespace): Likewise. (test-xfail-XOPEN2K8/spawn.h/linknamespace): Likewise. |
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Roland McGrath
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ea02c6b812 | x86: Clean up __vdso_clock_gettime variable. | |
Carlos O'Donell
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042e1521c7 |
Fix semaphore destruction (bug 12674).
This commit fixes semaphore destruction by either using 64b atomic operations (where available), or by using two separate fields when only 32b atomic operations are available. In the latter case, we keep a conservative estimate of whether there are any waiting threads in one bit of the field that counts the number of available tokens, thus allowing sem_post to atomically both add a token and determine whether it needs to call futex_wake. See: https://sourceware.org/ml/libc-alpha/2014-12/msg00155.html |
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Adhemerval Zanella
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ca677d3c3c |
Add x86 32 bit vDSO time function support
Linux 3.15 adds support for clock_gettime, gettimeofday, and time vDSO (commit id 37c975545ec63320789962bf307f000f08fabd48). This patch adds GLIBC supports to use such symbol when they are avaiable. Along with x86 vDSO support, this patch cleanup x86_64 code by moving all common code to x86 common folder. Only init-first.c is different between implementations. |
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Joseph Myers
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b168057aaa | Update copyright dates with scripts/update-copyrights. | |
Andrew Senkevich
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07256e183e |
i386: Fix build by GCC 5.0
Fixed 3 "make check" failures on glibc 32bit built by gcc 5.0 due to EBX was enabled for allocation: https://gcc.gnu.org/ml/gcc-patches/2014-10/msg00892.html Tests elf/tst-tls3, elf/tst-execstack-needed, elf/tst-execstack-prog were failed because EBX was used as PIC register. * sysdeps/i386/tls-macros.h: Include <features.h>. (TLS_LE): Use non-PIC version for GCC >= 5.0. (TLS_IE): Likewise. (TLS_LD): Likewise. (TLS_GD): Likewise. * sysdeps/unix/sysv/linux/i386/sysdep.h (check_consistency): Don't define for GCC >= 5.0. |
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H.J. Lu
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050f7298e1 |
Add hidden __tls_get_addr/___tls_get_addr alias
__tls_get_addr/___tls_get_addr is always defined in ld.so. There is no need to call them via PLT inside ld.so. This patch adds the hidden __tls_get_addr/___tls_get_addr aliases and calls them directly from _dl_tlsdesc_dynamic. There is no need to set up the EBX register in i386 _dl_tlsdesc_dynamic when calling the hidden ___tls_get_addr. * elf/dl-tls.c (__tls_get_addr): Provide the hidden definition if not defined. * sysdeps/i386/dl-tls.h (___tls_get_addr): Provide the hidden definition. * sysdeps/i386/dl-tlsdesc.S (_dl_tlsdesc_dynamic): Call the hidden ___tls_get_addr. * sysdeps/x86_64/dl-tlsdesc.S (_dl_tlsdesc_dynamic): Call the hidden __tls_get_addr. * sysdeps/generic/localplt.data (__tls_get_addr): Removed. * sysdeps/unix/sysv/linux/i386/localplt.data (___tls_get_addr): Likewise. |
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Torvald Riegel
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a4a43a907c | i386: Move futex functions from lowlevellock.h to lowlevellock-futex.h. | |
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Joseph Myers
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ea41469b7a |
Fix profil_counter namespace (bug 17725).
On ARM, where profil_counter is not static, it is brought in by references to various standard functions, as noted in <https://sourceware.org/ml/libc-alpha/2014-11/msg00890.html>, although it is not a standard function itself. I don't know if this also causes test failures on SPARC, although I see no reason for it not to do so. This patch fixes this namespace issue. profil_counter is renamed to __profil_counter and made a weak alias on ARM and SPARC. Because of the uses in profil.c / sprofil.c it seems simplest to make the rename globally, including on the other architectures for which profil_counter was static and so the change is of no substance. The variant names profil_counter_* used in sprofil.c are also renamed to start with __ so that undesired function names do not get exported in static libc. As I noted in bug 17726, profil_counter should probably be a compat symbol on ARM and SPARC, so it wouldn't exist at all in static libc even as a weak alias. Since defining a compat symbol still requires an internal name as a target of an alias, this patch still seems reasonable as an intermediate step towards that goal: it wouldn't be possible for the function simply to be static profil_counter on ARM and SPARC with profil_counter also being the exported compat symbol name, so profil.c / sprofil.c would still need to be prepared to call the function under another name (here, __profil_counter). Tested for x86_64 (testsuite, and that stripped installed shared libraries are unchanged by the patch) and ARM (ABI and linknamespace tests - this patch reduces the number of linknamespace failures I see on ARM from 227 to 5, the residue being math.h failures for fe* functions and for j0l/j1n/jnl/y0l/y1l/ynl aliases). 2014-12-17 Joseph Myers <joseph@codesourcery.com> [BZ #17725] * sysdeps/generic/profil-counter.h (profil_counter): Rename to __profil_counter. * sysdeps/unix/sysv/linux/hppa/profil-counter.h (profil_counter): Likewise. * sysdeps/unix/sysv/linux/i386/profil-counter.h (profil_counter): Likewise. * sysdeps/unix/sysv/linux/ia64/profil-counter.h (profil_counter): Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/profil-counter.h (profil_counter): Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/profil-counter.h (profil_counter): Likewise. * sysdeps/unix/sysv/linux/sh/profil-counter.h (profil_counter): Likewise. * sysdeps/unix/sysv/linux/tile/profil-counter.h (profil_counter): Likewise. * sysdeps/unix/sysv/linux/x86_64/profil-counter.h (profil_counter): Likewise. * sysdeps/unix/sysv/linux/arm/profil-counter.h (profil_counter): Likewise. [!__profil_counter] (profil_counter): Define as weak alias of __profil_counter. * sysdeps/unix/sysv/linux/sparc/sparc32/profil-counter.h (profil_counter): Rename to __profil_counter. [!__profil_counter] (profil_counter): Define as weak alias of __profil_counter. * sysdeps/unix/sysv/linux/sparc/sparc64/profil-counter.h (profil_counter): Rename to __profil_counter. [!__profil_counter] (profil_counter): Define as weak alias of __profil_counter. * sysdeps/posix/profil.c: Update comment referring to profil_counter. (__profil): Use __profil_counter instead of profil_counter. * sysdeps/posix/sprofil.c (profil_counter): Rename to __profil_counter. Use __profil_counter_ushort and __profil_counter_uint in definitions. (__sprofil): Use __profil_counter_uint and __profil_counter_ushort instead of profil_counter_uint and profil_counter_ushort. |
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Siddhesh Poyarekar
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4f41c682f3 |
Remove NOT_IN_libc
Replace with !IS_IN (libc). This completes the transition from the IS_IN/NOT_IN macros to the IN_MODULE macro set. The generated code is unchanged on x86_64. * stdlib/isomac.c (fmt): Replace NOT_IN_libc with IN_MODULE. (get_null_defines): Adjust. * sunrpc/Makefile: Adjust comment. * Makerules (CPPFLAGS-nonlib): Remove NOT_IN_libc. * elf/Makefile (CPPFLAGS-sotruss-lib): Likewise. (CFLAGS-interp.c): Likewise. (CFLAGS-ldconfig.c): Likewise. (CPPFLAGS-.os): Likewise. * elf/rtld-Rules (rtld-CPPFLAGS): Likewise. * extra-lib.mk (CPPFLAGS-$(lib)): Likewise. * extra-modules.mk (extra-modules.mk): Likewise. * iconv/Makefile (CPPFLAGS-iconvprogs): Likewise. * locale/Makefile (CPPFLAGS-locale_programs): Likewise. * malloc/Makefile (CPPFLAGS-memusagestat): Likewise. * nscd/Makefile (CPPFLAGS-nscd): Likewise. * nss/Makefile (CPPFLAGS-nss_test1): Likewise. * stdlib/Makefile (CFLAGS-tst-putenvmod.c): Likewise. * sysdeps/gnu/Makefile ($(objpfx)errlist-compat.c): Likewise. * sysdeps/unix/sysv/linux/Makefile (CPPFLAGS-lddlibc4): Likewise. * iconvdata/Makefile (CPPFLAGS): Likewise. (cpp-srcs-left): Add libof for all iconvdata routines. * bits/stdio-lock.h: Replace NOT_IN_libc with IS_IN. * include/assert.h: Likewise. * include/ctype.h: Likewise. * include/errno.h: Likewise. * include/libc-symbols.h: Likewise. * include/math.h: Likewise. * include/netdb.h: Likewise. * include/resolv.h: Likewise. * include/stdio.h: Likewise. * include/stdlib.h: Likewise. * include/string.h: Likewise. * include/sys/stat.h: Likewise. * include/wctype.h: Likewise. * intl/l10nflist.c: Likewise. * libidn/idn-stub.c: Likewise. * libio/libioP.h: Likewise. * nptl/libc_multiple_threads.c: Likewise. * nptl/pthreadP.h: Likewise. * posix/regex_internal.h: Likewise. * resolv/res_hconf.c: Likewise. * sysdeps/arm/armv7/multiarch/memcpy.S: Likewise. * sysdeps/arm/memmove.S: Likewise. * sysdeps/arm/sysdep.h: Likewise. * sysdeps/generic/_itoa.h: Likewise. * sysdeps/generic/symbol-hacks.h: Likewise. * sysdeps/gnu/errlist.awk: Likewise. * sysdeps/gnu/errlist.c: Likewise. * sysdeps/i386/i586/memcpy.S: Likewise. * sysdeps/i386/i586/memset.S: Likewise. * sysdeps/i386/i686/memcpy.S: Likewise. * sysdeps/i386/i686/memmove.S: Likewise. * sysdeps/i386/i686/mempcpy.S: Likewise. * sysdeps/i386/i686/memset.S: Likewise. * sysdeps/i386/i686/multiarch/bcopy.S: Likewise. * sysdeps/i386/i686/multiarch/bzero.S: Likewise. * sysdeps/i386/i686/multiarch/memchr-sse2-bsf.S: Likewise. * sysdeps/i386/i686/multiarch/memchr-sse2.S: Likewise. * sysdeps/i386/i686/multiarch/memchr.S: Likewise. * sysdeps/i386/i686/multiarch/memcmp-sse4.S: Likewise. * sysdeps/i386/i686/multiarch/memcmp-ssse3.S: Likewise. * sysdeps/i386/i686/multiarch/memcmp.S: Likewise. * sysdeps/i386/i686/multiarch/memcpy-ssse3-rep.S: Likewise. * sysdeps/i386/i686/multiarch/memcpy-ssse3.S: Likewise. * sysdeps/i386/i686/multiarch/memcpy.S: Likewise. * sysdeps/i386/i686/multiarch/memcpy_chk.S: Likewise. * sysdeps/i386/i686/multiarch/memmove.S: Likewise. * sysdeps/i386/i686/multiarch/memmove_chk.S: Likewise. * sysdeps/i386/i686/multiarch/mempcpy.S: Likewise. * sysdeps/i386/i686/multiarch/mempcpy_chk.S: Likewise. * sysdeps/i386/i686/multiarch/memrchr-c.c: Likewise. * sysdeps/i386/i686/multiarch/memrchr-sse2-bsf.S: Likewise. * sysdeps/i386/i686/multiarch/memrchr-sse2.S: Likewise. * sysdeps/i386/i686/multiarch/memrchr.S: Likewise. * sysdeps/i386/i686/multiarch/memset-sse2-rep.S: Likewise. * sysdeps/i386/i686/multiarch/memset-sse2.S: Likewise. * sysdeps/i386/i686/multiarch/memset.S: Likewise. * sysdeps/i386/i686/multiarch/memset_chk.S: Likewise. * sysdeps/i386/i686/multiarch/rawmemchr.S: Likewise. * sysdeps/i386/i686/multiarch/strcat-sse2.S: Likewise. * sysdeps/i386/i686/multiarch/strcat-ssse3.S: Likewise. * sysdeps/i386/i686/multiarch/strcat.S: Likewise. * sysdeps/i386/i686/multiarch/strchr-sse2-bsf.S: Likewise. * sysdeps/i386/i686/multiarch/strchr-sse2.S: Likewise. * sysdeps/i386/i686/multiarch/strchr.S: Likewise. * sysdeps/i386/i686/multiarch/strcmp-sse4.S: Likewise. * sysdeps/i386/i686/multiarch/strcmp-ssse3.S: Likewise. * sysdeps/i386/i686/multiarch/strcmp.S: Likewise. * sysdeps/i386/i686/multiarch/strcpy-sse2.S: Likewise. * sysdeps/i386/i686/multiarch/strcpy-ssse3.S: Likewise. * sysdeps/i386/i686/multiarch/strcpy.S: Likewise. * sysdeps/i386/i686/multiarch/strcspn.S: Likewise. * sysdeps/i386/i686/multiarch/strlen-sse2-bsf.S: Likewise. * sysdeps/i386/i686/multiarch/strlen-sse2.S: Likewise. * sysdeps/i386/i686/multiarch/strlen.S: Likewise. * sysdeps/i386/i686/multiarch/strnlen.S: Likewise. * sysdeps/i386/i686/multiarch/strrchr-sse2-bsf.S: Likewise. * sysdeps/i386/i686/multiarch/strrchr-sse2.S: Likewise. * sysdeps/i386/i686/multiarch/strrchr.S: Likewise. * sysdeps/i386/i686/multiarch/strspn.S: Likewise. * sysdeps/i386/i686/multiarch/wcschr-c.c: Likewise. * sysdeps/i386/i686/multiarch/wcschr-sse2.S: Likewise. * sysdeps/i386/i686/multiarch/wcschr.S: Likewise. * sysdeps/i386/i686/multiarch/wcscmp-sse2.S: Likewise. * sysdeps/i386/i686/multiarch/wcscmp.S: Likewise. * sysdeps/i386/i686/multiarch/wcscpy-c.c: Likewise. * sysdeps/i386/i686/multiarch/wcscpy-ssse3.S: Likewise. * sysdeps/i386/i686/multiarch/wcscpy.S: Likewise. * sysdeps/i386/i686/multiarch/wcslen-c.c: Likewise. * sysdeps/i386/i686/multiarch/wcslen-sse2.S: Likewise. * sysdeps/i386/i686/multiarch/wcslen.S: Likewise. * sysdeps/i386/i686/multiarch/wcsrchr-c.c: Likewise. * sysdeps/i386/i686/multiarch/wcsrchr-sse2.S: Likewise. * sysdeps/i386/i686/multiarch/wcsrchr.S: Likewise. * sysdeps/i386/i686/multiarch/wmemcmp-c.c: Likewise. * sysdeps/i386/i686/multiarch/wmemcmp.S: Likewise. * sysdeps/ia64/fpu/libm-symbols.h: Likewise. * sysdeps/nptl/bits/libc-lock.h: Likewise. * sysdeps/nptl/bits/libc-lockP.h: Likewise. * sysdeps/nptl/bits/stdio-lock.h: Likewise. * sysdeps/posix/closedir.c: Likewise. * sysdeps/posix/opendir.c: Likewise. * sysdeps/posix/readdir.c: Likewise. * sysdeps/posix/rewinddir.c: Likewise. * sysdeps/powerpc/novmx-sigjmp.c: Likewise. * sysdeps/powerpc/powerpc32/__longjmp.S: Likewise. * sysdeps/powerpc/powerpc32/bsd-_setjmp.S: Likewise. * sysdeps/powerpc/powerpc32/fpu/__longjmp.S: Likewise. * sysdeps/powerpc/powerpc32/fpu/setjmp.S: Likewise. * sysdeps/powerpc/powerpc32/power4/multiarch/bzero.c: Likewise. * sysdeps/powerpc/powerpc32/power4/multiarch/memchr.c: Likewise. * sysdeps/powerpc/powerpc32/power4/multiarch/memcmp-ppc32.S: Likewise. * sysdeps/powerpc/powerpc32/power4/multiarch/memcmp.c: Likewise. * sysdeps/powerpc/powerpc32/power4/multiarch/memcpy-ppc32.S: Likewise. * sysdeps/powerpc/powerpc32/power4/multiarch/memcpy.c: Likewise. * sysdeps/powerpc/powerpc32/power4/multiarch/memmove.c: Likewise. * sysdeps/powerpc/powerpc32/power4/multiarch/mempcpy.c: Likewise. * sysdeps/powerpc/powerpc32/power4/multiarch/memrchr-ppc32.c: Likewise. * sysdeps/powerpc/powerpc32/power4/multiarch/memrchr.c: Likewise. * sysdeps/powerpc/powerpc32/power4/multiarch/memset-ppc32.S: Likewise. * sysdeps/powerpc/powerpc32/power4/multiarch/memset.c: Likewise. * sysdeps/powerpc/powerpc32/power4/multiarch/rawmemchr.c: Likewise. * sysdeps/powerpc/powerpc32/power4/multiarch/strcasecmp.c: Likewise. * sysdeps/powerpc/powerpc32/power4/multiarch/strcasecmp_l.c: Likewise. * sysdeps/powerpc/powerpc32/power4/multiarch/strchr.c: Likewise. * sysdeps/powerpc/powerpc32/power4/multiarch/strchrnul.c: Likewise. * sysdeps/powerpc/powerpc32/power4/multiarch/strlen-ppc32.S: Likewise. * sysdeps/powerpc/powerpc32/power4/multiarch/strlen.c: Likewise. * sysdeps/powerpc/powerpc32/power4/multiarch/strncase.c: Likewise. * sysdeps/powerpc/powerpc32/power4/multiarch/strncase_l.c: Likewise. * sysdeps/powerpc/powerpc32/power4/multiarch/strncmp-ppc32.S: Likewise. * sysdeps/powerpc/powerpc32/power4/multiarch/strncmp.c: Likewise. * sysdeps/powerpc/powerpc32/power4/multiarch/strnlen.c: Likewise. * sysdeps/powerpc/powerpc32/power4/multiarch/wcschr-ppc32.c: Likewise. * sysdeps/powerpc/powerpc32/power4/multiarch/wcschr.c: Likewise. * sysdeps/powerpc/powerpc32/power4/multiarch/wcscpy-ppc32.c: Likewise. * sysdeps/powerpc/powerpc32/power4/multiarch/wcscpy.c: Likewise. * sysdeps/powerpc/powerpc32/power4/multiarch/wcsrchr-ppc32.c: Likewise. * sysdeps/powerpc/powerpc32/power4/multiarch/wcsrchr.c: Likewise. * sysdeps/powerpc/powerpc32/power4/multiarch/wordcopy.c: Likewise. * sysdeps/powerpc/powerpc32/power6/memset.S: Likewise. * sysdeps/powerpc/powerpc32/setjmp.S: Likewise. * sysdeps/powerpc/powerpc64/__longjmp.S: Likewise. * sysdeps/powerpc/powerpc64/multiarch/bzero.c: Likewise. * sysdeps/powerpc/powerpc64/multiarch/memchr.c: Likewise. * sysdeps/powerpc/powerpc64/multiarch/memcmp-ppc64.c: Likewise. * sysdeps/powerpc/powerpc64/multiarch/memcmp.c: Likewise. * sysdeps/powerpc/powerpc64/multiarch/memcpy-ppc64.S: Likewise. * sysdeps/powerpc/powerpc64/multiarch/memcpy.c: Likewise. * sysdeps/powerpc/powerpc64/multiarch/memmove-ppc64.c: Likewise. * sysdeps/powerpc/powerpc64/multiarch/memmove.c: Likewise. * sysdeps/powerpc/powerpc64/multiarch/mempcpy.c: Likewise. * sysdeps/powerpc/powerpc64/multiarch/memrchr.c: Likewise. * sysdeps/powerpc/powerpc64/multiarch/memset-ppc64.S: Likewise. * sysdeps/powerpc/powerpc64/multiarch/memset.c: Likewise. * sysdeps/powerpc/powerpc64/multiarch/rawmemchr.c: Likewise. * sysdeps/powerpc/powerpc64/multiarch/stpcpy-ppc64.S: Likewise. * sysdeps/powerpc/powerpc64/multiarch/stpcpy.c: Likewise. * sysdeps/powerpc/powerpc64/multiarch/stpncpy.c: Likewise. * sysdeps/powerpc/powerpc64/multiarch/strcasecmp.c: Likewise. * sysdeps/powerpc/powerpc64/multiarch/strcasecmp_l.c: Likewise. * sysdeps/powerpc/powerpc64/multiarch/strcat.c: Likewise. * sysdeps/powerpc/powerpc64/multiarch/strchr.c: Likewise. * sysdeps/powerpc/powerpc64/multiarch/strchrnul.c: Likewise. * sysdeps/powerpc/powerpc64/multiarch/strcmp-ppc64.S: Likewise. * sysdeps/powerpc/powerpc64/multiarch/strcmp.c: Likewise. * sysdeps/powerpc/powerpc64/multiarch/strcpy-ppc64.S: Likewise. * sysdeps/powerpc/powerpc64/multiarch/strcpy.c: Likewise. * sysdeps/powerpc/powerpc64/multiarch/strcspn.c: Likewise. * sysdeps/powerpc/powerpc64/multiarch/strlen-ppc64.S: Likewise. * sysdeps/powerpc/powerpc64/multiarch/strlen.c: Likewise. * sysdeps/powerpc/powerpc64/multiarch/strncase.c: Likewise. * sysdeps/powerpc/powerpc64/multiarch/strncase_l.c: Likewise. * sysdeps/powerpc/powerpc64/multiarch/strncat.c: Likewise. * sysdeps/powerpc/powerpc64/multiarch/strncmp-ppc64.S: Likewise. * sysdeps/powerpc/powerpc64/multiarch/strncmp.c: Likewise. * sysdeps/powerpc/powerpc64/multiarch/strncpy-ppc64.c: Likewise. * sysdeps/powerpc/powerpc64/multiarch/strncpy.c: Likewise. * sysdeps/powerpc/powerpc64/multiarch/strnlen.c: Likewise. * sysdeps/powerpc/powerpc64/multiarch/strpbrk.c: Likewise. * sysdeps/powerpc/powerpc64/multiarch/strrchr-ppc64.c: Likewise. * sysdeps/powerpc/powerpc64/multiarch/strrchr.c: Likewise. * sysdeps/powerpc/powerpc64/multiarch/strspn-ppc64.c: Likewise. * sysdeps/powerpc/powerpc64/multiarch/strspn.c: Likewise. * sysdeps/powerpc/powerpc64/multiarch/wcschr.c: Likewise. * sysdeps/powerpc/powerpc64/multiarch/wcscpy.c: Likewise. * sysdeps/powerpc/powerpc64/multiarch/wcsrchr.c: Likewise. * sysdeps/powerpc/powerpc64/multiarch/wordcopy.c: Likewise. * sysdeps/powerpc/powerpc64/setjmp.S: Likewise. * sysdeps/s390/s390-32/multiarch/ifunc-resolve.c: Likewise. * sysdeps/s390/s390-32/multiarch/memcmp.S: Likewise. * sysdeps/s390/s390-32/multiarch/memcpy.S: Likewise. * sysdeps/s390/s390-32/multiarch/memset.S: Likewise. * sysdeps/s390/s390-64/multiarch/ifunc-resolve.c: Likewise. * sysdeps/s390/s390-64/multiarch/memcmp.S: Likewise. * sysdeps/s390/s390-64/multiarch/memcpy.S: Likewise. * sysdeps/s390/s390-64/multiarch/memset.S: Likewise. * sysdeps/sparc/sparc64/multiarch/memcpy-niagara1.S: Likewise. * sysdeps/sparc/sparc64/multiarch/memcpy-niagara2.S: Likewise. * sysdeps/sparc/sparc64/multiarch/memcpy-niagara4.S: Likewise. * sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S: Likewise. * sysdeps/sparc/sparc64/multiarch/memcpy.S: Likewise. * sysdeps/sparc/sparc64/multiarch/memset-niagara1.S: Likewise. * sysdeps/sparc/sparc64/multiarch/memset-niagara4.S: Likewise. * sysdeps/sparc/sparc64/multiarch/memset.S: Likewise. * sysdeps/unix/alpha/sysdep.S: Likewise. * sysdeps/unix/alpha/sysdep.h: Likewise. * sysdeps/unix/make-syscalls.sh: Likewise. * sysdeps/unix/sysv/linux/aarch64/sysdep-cancel.h: Likewise. * sysdeps/unix/sysv/linux/aarch64/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/alpha/sysdep-cancel.h: Likewise. * sysdeps/unix/sysv/linux/alpha/vfork.S: Likewise. * sysdeps/unix/sysv/linux/arm/sysdep-cancel.h: Likewise. * sysdeps/unix/sysv/linux/arm/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/getpid.c: Likewise. * sysdeps/unix/sysv/linux/hppa/nptl/lowlevellock.h: Likewise. * sysdeps/unix/sysv/linux/hppa/nptl/sysdep-cancel.h: Likewise. * sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S: Likewise. * sysdeps/unix/sysv/linux/i386/lowlevellock.h: Likewise. * sysdeps/unix/sysv/linux/i386/sysdep-cancel.h: Likewise. * sysdeps/unix/sysv/linux/i386/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/ia64/lowlevellock.h: Likewise. * sysdeps/unix/sysv/linux/ia64/sysdep-cancel.h: Likewise. * sysdeps/unix/sysv/linux/ia64/sysdep.S: Likewise. * sysdeps/unix/sysv/linux/ia64/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/lowlevellock-futex.h: Likewise. * sysdeps/unix/sysv/linux/m68k/bits/m68k-vdso.h: Likewise. * sysdeps/unix/sysv/linux/m68k/sysdep-cancel.h: Likewise. * sysdeps/unix/sysv/linux/m68k/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/microblaze/lowlevellock.h: Likewise. * sysdeps/unix/sysv/linux/microblaze/sysdep-cancel.h: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/sysdep-cancel.h: Likewise. * sysdeps/unix/sysv/linux/mips/sysdep-cancel.h: Likewise. * sysdeps/unix/sysv/linux/not-cancel.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/lowlevellock.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep-cancel.h: Likewise. * sysdeps/unix/sysv/linux/s390/longjmp_chk.c: Likewise. * sysdeps/unix/sysv/linux/s390/lowlevellock.h: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/sysdep-cancel.h: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/sysdep.S: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/vfork.S: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/sysdep-cancel.h: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/sysdep.S: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/vfork.S: Likewise. * sysdeps/unix/sysv/linux/sh/lowlevellock.S: Likewise. * sysdeps/unix/sysv/linux/sh/lowlevellock.h: Likewise. * sysdeps/unix/sysv/linux/sh/sysdep-cancel.h: Likewise. * sysdeps/unix/sysv/linux/sh/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/sh/vfork.S: Likewise. * sysdeps/unix/sysv/linux/sparc/lowlevellock.h: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/sysdep-cancel.h: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/brk.S: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/sysdep-cancel.h: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/tile/lowlevellock.h: Likewise. * sysdeps/unix/sysv/linux/tile/sysdep-cancel.h: Likewise. * sysdeps/unix/sysv/linux/tile/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/tile/waitpid.S: Likewise. * sysdeps/unix/sysv/linux/x86_64/lowlevellock.S: Likewise. * sysdeps/unix/sysv/linux/x86_64/lowlevellock.h: Likewise. * sysdeps/unix/sysv/linux/x86_64/sysdep-cancel.h: Likewise. * sysdeps/unix/sysv/linux/x86_64/sysdep.h: Likewise. * sysdeps/wordsize-32/symbol-hacks.h: Likewise. * sysdeps/x86_64/memcpy.S: Likewise. * sysdeps/x86_64/memmove.c: Likewise. * sysdeps/x86_64/memset.S: Likewise. * sysdeps/x86_64/multiarch/init-arch.h: Likewise. * sysdeps/x86_64/multiarch/memcmp-sse4.S: Likewise. * sysdeps/x86_64/multiarch/memcmp-ssse3.S: Likewise. * sysdeps/x86_64/multiarch/memcmp.S: Likewise. * sysdeps/x86_64/multiarch/memcpy-avx-unaligned.S: Likewise. * sysdeps/x86_64/multiarch/memcpy-ssse3-back.S: Likewise. * sysdeps/x86_64/multiarch/memcpy-ssse3.S: Likewise. * sysdeps/x86_64/multiarch/memcpy.S: Likewise. * sysdeps/x86_64/multiarch/memcpy_chk.S: Likewise. * sysdeps/x86_64/multiarch/memmove.c: Likewise. * sysdeps/x86_64/multiarch/mempcpy.S: Likewise. * sysdeps/x86_64/multiarch/mempcpy_chk.S: Likewise. * sysdeps/x86_64/multiarch/memset-avx2.S: Likewise. * sysdeps/x86_64/multiarch/memset.S: Likewise. * sysdeps/x86_64/multiarch/memset_chk.S: Likewise. * sysdeps/x86_64/multiarch/strcat-sse2-unaligned.S: Likewise. * sysdeps/x86_64/multiarch/strcat-ssse3.S: Likewise. * sysdeps/x86_64/multiarch/strcat.S: Likewise. * sysdeps/x86_64/multiarch/strchr-sse2-no-bsf.S: Likewise. * sysdeps/x86_64/multiarch/strchr.S: Likewise. * sysdeps/x86_64/multiarch/strcmp-ssse3.S: Likewise. * sysdeps/x86_64/multiarch/strcmp.S: Likewise. * sysdeps/x86_64/multiarch/strcpy-sse2-unaligned.S: Likewise. * sysdeps/x86_64/multiarch/strcpy-ssse3.S: Likewise. * sysdeps/x86_64/multiarch/strcpy.S: Likewise. * sysdeps/x86_64/multiarch/strcspn.S: Likewise. * sysdeps/x86_64/multiarch/strspn.S: Likewise. * sysdeps/x86_64/multiarch/wcscpy-c.c: Likewise. * sysdeps/x86_64/multiarch/wcscpy-ssse3.S: Likewise. * sysdeps/x86_64/multiarch/wcscpy.S: Likewise. * sysdeps/x86_64/multiarch/wmemcmp-c.c: Likewise. * sysdeps/x86_64/multiarch/wmemcmp.S: Likewise. * sysdeps/x86_64/strcmp.S: Likewise. |
|
|
Siddhesh Poyarekar
|
a38484851a |
Remove IS_IN_rtld
Replace with IS_IN (rtld). Generated code is unchanged on
x86_64.
* elf/Makefile (CPPFLAGS-.os): Remove IS_IN_rtld.
* elf/dl-open.c: Use IS_IN (rtld) instead if IS_IN_rtld.
* elf/rtld-Rules: Likewise.
* elf/setup-vdso.h: Likewise.
* include/assert.h: Likewise.
* include/bits/stdlib-float.h: Likewise.
* include/errno.h: Likewise.
* include/sys/stat.h: Likewise.
* include/unistd.h: Likewise.
* sysdeps/aarch64/setjmp.S: Likewise.
* sysdeps/alpha/setjmp.S: Likewise.
* sysdeps/arm/__longjmp.S: Likewise.
* sysdeps/arm/aeabi_unwind_cpp_pr1.c: Likewise.
* sysdeps/arm/setjmp.S: Likewise.
* sysdeps/arm/sysdep.h: Likewise.
* sysdeps/generic/_itoa.h: Likewise.
* sysdeps/generic/dl-sysdep.h: Likewise.
* sysdeps/generic/ldsodefs.h: Likewise.
* sysdeps/i386/dl-tls.h: Likewise.
* sysdeps/i386/setjmp.S: Likewise.
* sysdeps/m68k/setjmp.c: Likewise.
* sysdeps/mach/hurd/dl-execstack.c: Likewise.
* sysdeps/mach/hurd/opendir.c: Likewise.
* sysdeps/posix/getcwd.c: Likewise.
* sysdeps/posix/opendir.c: Likewise.
* sysdeps/posix/profil.c: Likewise.
* sysdeps/powerpc/dl-procinfo.h: Likewise.
* sysdeps/powerpc/powerpc32/fpu/__longjmp-common.S: Likewise.
* sysdeps/powerpc/powerpc32/fpu/setjmp-common.S: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/init-arch.h: Likewise.
* sysdeps/powerpc/powerpc32/setjmp-common.S: Likewise.
* sysdeps/powerpc/powerpc64/__longjmp-common.S: Likewise.
* sysdeps/powerpc/powerpc64/setjmp-common.S: Likewise.
* sysdeps/s390/dl-tls.h: Likewise.
* sysdeps/s390/s390-32/setjmp.S: Likewise.
* sysdeps/s390/s390-64/setjmp.S: Likewise.
* sysdeps/sh/sh3/setjmp.S: Likewise.
* sysdeps/sh/sh4/setjmp.S: Likewise.
* sysdeps/unix/alpha/sysdep.h: Likewise.
* sysdeps/unix/arm/sysdep.S: Likewise.
* sysdeps/unix/i386/sysdep.S: Likewise.
* sysdeps/unix/sysv/linux/aarch64/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/getcwd.c: Likewise.
* sysdeps/unix/sysv/linux/hppa/nptl/lowlevellock.h: Likewise.
* sysdeps/unix/sysv/linux/i386/lowlevellock.h: Likewise.
* sysdeps/unix/sysv/linux/i386/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/ia64/lowlevellock.h: Likewise.
* sysdeps/unix/sysv/linux/ia64/setjmp.S: Likewise.
* sysdeps/unix/sysv/linux/ia64/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/lowlevellock-futex.h: Likewise.
* sysdeps/unix/sysv/linux/m68k/bits/m68k-vdso.h: Likewise.
* sysdeps/unix/sysv/linux/m68k/m68k-helpers.S: Likewise.
* sysdeps/unix/sysv/linux/microblaze/lowlevellock.h: Likewise.
* sysdeps/unix/sysv/linux/powerpc/lowlevellock.h: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/s390/lowlevellock.h: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/sh/lowlevellock.h: Likewise.
* sysdeps/unix/sysv/linux/sh/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/lowlevellock.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/tile/lowlevellock.h: Likewise.
* sysdeps/unix/sysv/linux/tile/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/x86_64/lowlevellock.h: Likewise.
* sysdeps/unix/sysv/linux/x86_64/sysdep.h: Likewise.
* sysdeps/unix/x86_64/sysdep.S: Likewise.
* sysdeps/x86_64/setjmp.S: Likewise.
|
|
|
Siddhesh Poyarekar
|
ce9f10f7f0 |
Remove IS_IN_libpthread
Replace with IS_IN (libpthread). Generated code unchanged on x86_64. * nptl/lowlevellock.c: Use IS_IN instead of IS_IN_libpthread. * nptl/pthreadP.h: Likewise. * nptl_db/structs.def: Likewise. * sysdeps/arm/sysdep.h: Likewise. * sysdeps/nptl/bits/libc-lock.h: Likewise. * sysdeps/nptl/bits/libc-lockP.h: Likewise. * sysdeps/sparc/sparc32/lowlevellock.c: Likewise. * sysdeps/unix/alpha/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/aarch64/sysdep-cancel.h: Likewise. * sysdeps/unix/sysv/linux/aarch64/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/alpha/sysdep-cancel.h: Likewise. * sysdeps/unix/sysv/linux/arm/sysdep-cancel.h: Likewise. * sysdeps/unix/sysv/linux/hppa/nptl/sysdep-cancel.h: Likewise. * sysdeps/unix/sysv/linux/i386/sysdep-cancel.h: Likewise. * sysdeps/unix/sysv/linux/i386/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/ia64/sysdep-cancel.h: Likewise. * sysdeps/unix/sysv/linux/ia64/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/m68k/sysdep-cancel.h: Likewise. * sysdeps/unix/sysv/linux/microblaze/sysdep-cancel.h: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/sysdep-cancel.h: Likewise. * sysdeps/unix/sysv/linux/mips/sysdep-cancel.h: Likewise. * sysdeps/unix/sysv/linux/not-cancel.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/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/sparc32/sysdep-cancel.h: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/sysdep-cancel.h: Likewise. * sysdeps/unix/sysv/linux/tile/sysdep-cancel.h: Likewise. * sysdeps/unix/sysv/linux/tile/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/tile/waitpid.S: Likewise. * sysdeps/unix/sysv/linux/x86_64/cancellation.S: Likewise. * sysdeps/unix/sysv/linux/x86_64/sysdep-cancel.h: Likewise. |
|
|
Siddhesh Poyarekar
|
016afc75cd |
Remove IS_IN_librt
Replace with IS_IN (librt). Generated code unchanged on x86_64
* include/mqueue.h: Use IS_IN instead of IS_IN_librt.
* nptl/pthreadP.h: Likewise.
* sysdeps/unix/sysv/linux/aarch64/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/alpha/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/arm/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/hppa/nptl/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/i386/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/ia64/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/ia64/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/m68k/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/microblaze/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/mips/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/not-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/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/sparc32/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/tile/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/tile/waitpid.S: Likewise.
* sysdeps/unix/sysv/linux/x86_64/sysdep-cancel.h: Likewise.
|
|
|
Joseph Myers
|
2c46a66a3a |
Remove __libc_waitpid function name.
Continuing the removal of unused __libc_* function names, this patch removes the __libc_waitpid name. Tested for x86_64 (testsuite, and that disassembly of installed shared libraries is unchanged by the patch; __waitpid, which is exported from shared libc, changes from weak to strong on some configurations, which is of no significance). * include/sys/wait.h (__libc_waitpid): Remove declaration. * posix/waitpid.c (__libc_waitpid): Rename to __waitpid. (__waitpid): Don't define as alias. Use libc_hidden_def not libc_hidden_weak. (waitpid): Define as alias of __waitpid. * sysdeps/unix/bsd/waitpid.c (__libc_waitpid): Rename to __waitpid. (__waitpid): Don't define as alias. Use libc_hidden_def not libc_hidden_weak. (waitpid): Define as alias of __waitpid. * sysdeps/unix/sysv/linux/i386/syscalls.list (waitpid): Remove __libc_waitpid alias. * sysdeps/unix/sysv/linux/m68k/syscalls.list (waitpid): Likewise. * sysdeps/unix/sysv/linux/powerpc/syscalls.list (waitpid): Likewise. * sysdeps/unix/sysv/linux/sh/syscalls.list (waitpid): Likewise. * sysdeps/unix/sysv/linux/sparc/syscalls.list (waitpid): Likewise. * sysdeps/unix/sysv/linux/tile/waitpid.S (__libc_waitpid): Remove alias. * sysdeps/unix/sysv/linux/waitpid.c (__libc_waitpid): Rename to __waitpid. (__waitpid): Don't define as alias. Use libc_hidden_def not libc_hidden_weak. (waitpid): Define as alias of __waitpid. |
|
|
Carlos O'Donell
|
da53d6dbc2 |
Run check-localpltk/textrel/execstack over ld.so.
For maximum paranoia we run ld.so through the normal set of tests for all of the shared libraries. This includes running ld.so through check-localplt, check-textrel, and check-execstack. While none of these should trigger any failures given the way ld.so is built, it might possibly fail if a developer does something wrong. This paranoia was triggered by a discussion over the use of __strcpy vs. strcpy [1] and if the symbol could leak and use the libc.so version. The check-localplt test fails right away because localplt.data needs updating for all arches. By default we add 6 new symbols: __tls_get_addr, __libc_memalign, malloc, calloc, realloc and free. Other machines like i386, power, and s390 require some different symbol sets e.g. ___tls_get_addr vs. __tls_get_addr for i386. Verified for i386 Verified for x86_64 Verified for ppc32 Verified for ppc64 Verified for ppc64le Verified for arm Verified for aarch64 Verified for s390 Verified for s390x Guessed for alpha Guessed for ia64 Guessed for m68k Guessed for microblaze Guessed for sparc32 Guessed for sparc64 Defaults for sh Defaults for mips Defaults for hppa Defaults for tile Machine manintainers notified to double check the data used in localplt.data. [1] https://sourceware.org/ml/libc-alpha/2014-10/msg00548.html |
|
|
Joseph Myers
|
a4b3624d20 |
Move setfsgid/setfsuid definitions to syscalls.list (bug 14138).
Continuing the move of syscall definitions to syscalls.list, where the removal of support for old kernel versions has made this possible, this patch moves various definitions of setfsgid and setfsuid. Tested for x86. [BZ #14138] * sysdeps/unix/sysv/linux/arm/setfsgid.c: Remove file. * sysdeps/unix/sysv/linux/arm/setfsuid.c: Likewise. * sysdeps/unix/sysv/linux/i386/setfsgid.c: Likewise. * sysdeps/unix/sysv/linux/i386/setfsuid.c: Likewise. * sysdeps/unix/sysv/linux/m68k/setfsgid.c: Likewise. * sysdeps/unix/sysv/linux/m68k/setfsuid.c: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/setfsgid.c: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/setfsuid.c: Likewise. * sysdeps/unix/sysv/linux/sh/setfsgid.c: Likewise. * sysdeps/unix/sysv/linux/sh/setfsuid.c: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/setfsgid.c: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/setfsuid.c: Likewise. * sysdeps/unix/sysv/linux/arm/syscalls.list (setfsgid): Add syscall. (setfsuid): Likewise. * sysdeps/unix/sysv/linux/i386/syscalls.list (setfsgid): Likewise. (setfsuid): Likewise. * sysdeps/unix/sysv/linux/m68k/syscalls.list (setfsgid): Likewise. (setfsuid): Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/syscalls.list (setfsgid): Likewise. (setfsuid): Likewise. * sysdeps/unix/sysv/linux/sh/syscalls.list (setfsgid): Likewise. (setfsuid): Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/syscalls.list (setfsgid): Likewise. (setfsuid): Likewise. |
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Joseph Myers
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c8bc40386a |
Move get*id and getgroups definitions to syscalls.list (bug 14138).
Continuing the move of syscall definitions to syscalls.list, where the removal of support for old kernel versions has made this possible, this patch moves various definitions of get*id functions and getgroups. The previous C definitions were because of the transition to 32-bit uids and gids. Tested for x86. [BZ #14138] * sysdeps/unix/sysv/linux/arm/getegid.c: Remove file. * sysdeps/unix/sysv/linux/arm/geteuid.c: Likewise. * sysdeps/unix/sysv/linux/arm/getgid.c: Likewise. * sysdeps/unix/sysv/linux/arm/getgroups.c: Likewise. * sysdeps/unix/sysv/linux/arm/getresgid.c: Likewise. * sysdeps/unix/sysv/linux/arm/getresuid.c: Likewise. * sysdeps/unix/sysv/linux/arm/getuid.c: Likewise. * sysdeps/unix/sysv/linux/i386/getegid.c: Likewise. * sysdeps/unix/sysv/linux/i386/geteuid.c: Likewise. * sysdeps/unix/sysv/linux/i386/getgid.c: Likewise. * sysdeps/unix/sysv/linux/i386/getgroups.c: Likewise. * sysdeps/unix/sysv/linux/i386/getresgid.c: Likewise. * sysdeps/unix/sysv/linux/i386/getresuid.c: Likewise. * sysdeps/unix/sysv/linux/i386/getuid.c: Likewise. * sysdeps/unix/sysv/linux/m68k/getegid.c: Likewise. * sysdeps/unix/sysv/linux/m68k/geteuid.c: Likewise. * sysdeps/unix/sysv/linux/m68k/getgid.c: Likewise. * sysdeps/unix/sysv/linux/m68k/getgroups.c: Likewise. * sysdeps/unix/sysv/linux/m68k/getresgid.c: Likewise. * sysdeps/unix/sysv/linux/m68k/getresuid.c: Likewise. * sysdeps/unix/sysv/linux/m68k/getuid.c: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/getegid.c: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/geteuid.c: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/getgid.c: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/getgroups.c: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/getresgid.c: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/getresuid.c: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/getuid.c: Likewise. * sysdeps/unix/sysv/linux/sh/getegid.c: Likewise. * sysdeps/unix/sysv/linux/sh/geteuid.c: Likewise. * sysdeps/unix/sysv/linux/sh/getgid.c: Likewise. * sysdeps/unix/sysv/linux/sh/getgroups.c: Likewise. * sysdeps/unix/sysv/linux/sh/getresgid.c: Likewise. * sysdeps/unix/sysv/linux/sh/getresuid.c: Likewise. * sysdeps/unix/sysv/linux/sh/getuid.c: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/getegid.c: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/geteuid.c: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/getgid.c: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/getgroups.c: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/getuid.c: Likewise. * sysdeps/unix/sysv/linux/arm/syscalls.list (getegid): Add syscall. (geteuid): Likewise. (getgid): Likewise. (getuid): Likewise. (getresgid): Likewise. (getresuid): Likewise. (getgroups): Likewise. * sysdeps/unix/sysv/linux/i386/syscalls.list (getegid): Likewise. (geteuid): Likewise. (getgid): Likewise. (getuid): Likewise. (getresgid): Likewise. (getresuid): Likewise. (getgroups): Likewise. * sysdeps/unix/sysv/linux/m68k/syscalls.list (getegid): Likewise. (geteuid): Likewise. (getgid): Likewise. (getuid): Likewise. (getresgid): Likewise. (getresuid): Likewise. (getgroups): Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/syscalls.list (getegid): Likewise. (geteuid): Likewise. (getgid): Likewise. (getuid): Likewise. (getresgid): Likewise. (getresuid): Likewise. (getgroups): Likewise. * sysdeps/unix/sysv/linux/sh/syscalls.list (getegid): Likewise. (geteuid): Likewise. (getgid): Likewise. (getuid): Likewise. (getresgid): Likewise. (getresuid): Likewise. (getgroups): Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/syscalls.list (getegid): Likewise. (geteuid): Likewise. (getgid): Likewise. (getuid): Likewise. (getgroups): Likewise. |
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Joseph Myers
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48eb7a94e2 |
Move some chown / lchown / fchown definitions to syscalls.list (bug 14138).
Continuing the move of syscall definitions to syscalls.list, where the removal of support for old kernel versions has made this possible, this patch moves various definitions of chown, lchown and fchown. In most cases the need for special syscalls.list entries (rather than existing generic ones) is because these architectures use chown32, lchown32 and fchown32 as syscall names. Some architectures also have symbol versioning compatibility for older versions of chown having been equivalent to lchown. The aliases specified for s390-32 had the effect of exporting __chown@@GLIBC_2.1 (but not __chown@GLIBC_2.0) despite it not being listed in Versions files. (I'm not sure why versioned_symbol but not compat_symbol were effective like that to create such __chown exports in the absence of Versions entries.) The natural way to preserve that versioned export of __chown seems to be to add it in a Versions file, so I did so. (Maybe actually it should be a compat symbol, __chown@GLIBC_2.1, unless there's a good reason for that export, but this patch doesn't change anything there.) Tested for x86. [BZ #14138] * sysdeps/unix/sysv/linux/i386/chown.c: Remove file. * sysdeps/unix/sysv/linux/i386/fchown.c: Likewise. * sysdeps/unix/sysv/linux/i386/lchown.c: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/chown.c: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/fchown.c: Remove file. * sysdeps/unix/sysv/linux/s390/s390-32/lchown.c: Likewise. * sysdeps/unix/sysv/linux/sh/chown.c: Likewise. * sysdeps/unix/sysv/linux/sh/fchown.c: Likewise. * sysdeps/unix/sysv/linux/sh/lchown.c: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/chown.c: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/fchown.c: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/lchown.c: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/Versions (GLIBC_2.1): Add __chown. * sysdeps/unix/sysv/linux/i386/syscalls.list (chown): Add syscall. (lchown): Likewise. (fchown): Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/syscalls.list (chown): Likewise. (lchown): Likewise. (fchown): Likewise. * sysdeps/unix/sysv/linux/sh/syscalls.list (chown): Likewise. (lchown): Likewise. (fchown): Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/syscalls.list (chown): Likewise. (lchown): Likewise. (fchown): Likewise. |
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Torvald Riegel
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f50277c19d | pthread_once: Add fast path and remove x86 variants. | |
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Joseph Myers
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f7b425175c |
Support and use mixed compat/non-compat aliases in syscalls.list.
This patch enables syscalls.list entries to specify both compat and non-compat symbol versions for the same syscall definition, making use of this for setrlimit / chown / lchown where the inability to specify such aliases showed up in the course of work on bug 14138. The change to make-syscalls.sh is minimal: adding a SHARED conditional on the compat_symbol calls. It remains the case that if a compat symbol version is specified, the syscall is only built for the shared library at all if an explicit symbol version is given for a non-compat symbol (so it's necessary to specify "lchown@@GLIBC_2.0 chown@GLIBC_2.0" rather than just "lchown chown@GLIBC_2.0"). It also remains the case, as already commented in make-syscalls.sh, that no SHLIB_COMPAT conditionals are generated, so there would be problems if the same syscalls.list file, with compat symbols, were used for both configurations that should have those symbols and configurations for which they should be conditioned out with SHLIB_COMPAT. Tested for x86. * sysdeps/unix/make-syscalls.sh (emit_weak_aliases): Condition compat_symbol calls on [SHARED]. * sysdeps/unix/sysv/linux/powerpc/lchown.S: Remove file. * sysdeps/unix/sysv/linux/i386/syscalls.list (oldsetrlimit): Remove. (setrlimit): Add setrlimit@GLIBC_2.0 alias. * sysdeps/unix/sysv/linux/m68k/m680x0/syscalls.list (oldsetrlimit): Remove. (setrlimit): Add setrlimit@GLIBC_2.0 alias. * sysdeps/unix/sysv/linux/powerpc/powerpc32/syscalls.list (lchown): New syscall entry. (oldsetrlimit): Remove. (setrlimit): Add setrlimit@GLIBC_2.0 alias. * sysdeps/unix/sysv/linux/s390/s390-32/syscalls.list (oldsetrlimit): Remove. (setrlimit): Add setrlimit@GLIBC_2.0 alias. |
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Joseph Myers
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93ae1ebaa6 |
Clean up gnu/lib-names.h generation (bug 14171).
This patch eliminates the mixture of SONAME information in shlib-versions files and SONAME information used to generate gnu/lib-names.h in makefiles, with the information in the makefiles being removed so all this information comes from the shlib-versions files. So that gnu/lib-names.h supports multiple ABIs, it is changed to be generated on the same basis as gnu/stubs.h: when there are multiple ABIs, gnu/lib-names.h is a wrapper header (the same header installed whatever ABI is being built) and separate headers such as gnu/lib-names-64.h contain the substantive contents (only one such header being installed by any glibc build). The rules for building gnu/lib-names.h were moved from Makeconfig to Makerules because they need to come after sysdeps makefiles are included (now that "ifndef abi-variants" is a toplevel conditional on the rules rather than $(abi-variants) being evaluated later inside the commands for a rule). Tested for x86_64 and x86 that the installed shared libraries are unchanged by this patch, and examined the installed gnu/lib-names*.h headers by hand. Also tested the case of a single ABI (where there is just a single header installed, again like stubs.h) by hacking abi-variants to empty for x86_64. [BZ #14171] * Makeconfig [$(build-shared) = yes] ($(common-objpfx)soversions.mk): Don't handle SONAMEs specified in makefiles. [$(build-shared) = yes && $(soversions.mk-done) = t] ($(common-objpfx)gnu/lib-names.h): Remove rule. [$(build-shared) = yes && $(soversions.mk-done) = t] ($(common-objpfx)gnu/lib-names.stmp): Likewise. Split and moved to Makerules. [$(build-shared) = yes && $(soversions.mk-done) = t] (before-compile): Don't append $(common-objpfx)gnu/lib-names.h here. [$(build-shared) = yes && $(soversions.mk-done) = t] (common-generated): Don't append gnu/lib-names.h and gnu/lib-names.stmp here. * Makerules [$(build-shared) = yes && $(soversions.mk-done) = t] (lib-names-h-abi): New variable. [$(build-shared) = yes && $(soversions.mk-done) = t] (lib-names-stmp-abi): Likewise. [$(build-shared) = yes && $(soversions.mk-done) = t && abi-variants] (before-compile): Append $(common-objpfx)$(lib-names-h-abi). [$(build-shared) = yes && $(soversions.mk-done) = t && abi-variants] (common-generated): Append gnu/lib-names.h. [$(build-shared) = yes && $(soversions.mk-done) = t && abi-variants] (install-others-nosubdir): Depend on $(inst_includedir)/$(lib-names-h-abi). [$(build-shared) = yes && $(soversions.mk-done) = t && abi-variants] ($(common-objpfx)gnu/lib-names.h): New rule. [$(build-shared) = yes && $(soversions.mk-done) = t] ($(common-objpfx)$(lib-names-h-abi)): New rule. [$(build-shared) = yes && $(soversions.mk-done) = t] ($(common-objpfx)$(lib-names-stmp-abi)): Likewise. [$(build-shared) = yes && $(soversions.mk-done) = t] (common-generated): Append $(lib-names-h-abi) and $(lib-names-stmp-abi). * scripts/lib-names.awk: Do not handle multi being set. * sysdeps/unix/sysv/linux/aarch64/Makefile (abi-lp64-ld-soname): Remove variable. (abi-lp64_be-ld-soname): Likewise. * sysdeps/unix/sysv/linux/arm/Makefile (abi-soft-ld-soname): Likewise. (abi-hard-ld-soname): Likewise. * sysdeps/unix/sysv/linux/i386/shlib-versions: New file. * sysdeps/unix/sysv/linux/mips/Makefile (abi-o32_soft-ld-soname): Remove variable. (abi-o32_hard-ld-soname): Likewise. (abi-o32_soft_2008-ld-soname): Likewise. (abi-o32_hard_2008-ld-soname): Likewise. (abi-n32_soft-ld-soname): Likewise. (abi-n32_hard-ld-soname): Likewise. (abi-n32_soft_2008-ld-soname): Likewise. (abi-n32_hard_2008-ld-soname): Likewise. (abi-n64_soft-ld-soname): Likewise. (abi-n64_hard-ld-soname): Likewise. (abi-n64_soft_2008-ld-soname): Likewise. (abi-n64_hard_2008-ld-soname): Likewise. * sysdeps/unix/sysv/linux/powerpc/Makefile (abi-64-v1-ld-soname): Likewise. (abi-64-v2-ld-soname): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/shlib-versions: Add ld.so entries. * sysdeps/unix/sysv/linux/s390/Makefile (abi-64-ld-soname): Remove variable. * sysdeps/unix/sysv/linux/s390/s390-64/shlib-versions: Add ld.so entry. * sysdeps/unix/sysv/linux/x86/Makefile (abi-32-ld-soname): Remove variable. (abi-64-ld-soname): Likewise. (abi-x32-ld-soname): Likewise. * sysdeps/unix/sysv/linux/x86_64/64/shlib-versions: Add ld.so entry. * sysdeps/unix/sysv/linux/x86_64/x32/shlib-versions: Likewise. |
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Joseph Myers
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68870f1253 |
Move some setrlimit definitions to syscalls.list (bug 14138).
Bug 14138 is followup cleanup after removal of support for old Linux kernel versions: moving syscalls to syscalls.list where the only reason for using C definitions was kernel version conditionals that are no longer present. This patch deals with the case of setrlimit (sysdeps/unix/sysv/linux/i386/setrlimit.c, included by various other architectures). Where needed (where there is also a compat symbol for setrlimit@GLIBC_2.0), new syscalls.list entries are added. Where not needed (where there is no such compat symbol and the minimum symbol version for libc is 2.2 or later), no such entries are added as that in sysdeps/unix/syscalls.list will suffice. Thus arm and sh need no such entries, while m68k and powerpc need entries only in a subdirectory syscalls.list file rather than for all configurations that previously used setrlimit.c. (setrlimit@@GLIBC_2.2 and setrlimit@GLIBC_2.0 are now semantically identical - the new symbol version was about a change of types from signed to unsigned and the former compatibility code for dealing with large unsigned arguments on old kernels is no longer needed or present, having been removed with support for pre-2.4 kernels. However, making the two versions into aliases doesn't work at present: the case of having both default and non-default symbol versions on the same syscalls.list line results in a compat_symbol call in code built for static libc, which doesn't compile. I don't suppose it would be hard to generate SHARED conditionals from make-syscalls.sh to fix this, but in any case this patch doesn't make things any worse, as the functions weren't aliases before the patch either.) Tested for x86, and ran ABI tests for ARM as an example of an architecture where the setrlimit.c file was just removed without adding syscalls.list entries. [BZ #14138] * sysdeps/unix/sysv/linux/arm/setrlimit.c: Remove file. * sysdeps/unix/sysv/linux/i386/setrlimit.c: Likewise. * sysdeps/unix/sysv/linux/m68k/setrlimit.c: Likewise. * sysdeps/unix/sysv/linux/powerpc/setrlimit.c: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/setrlimit.c: Likewise. * sysdeps/unix/sysv/linux/sh/setrlimit.c: Likewise. * sysdeps/unix/sysv/linux/i386/syscalls.list (setrlimit): Add syscall entry for GLIBC_2.2 symbol version. * sysdeps/unix/sysv/linux/m68k/m680x0/syscalls.list (setrlimit): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/syscalls.list (setrlimit): Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/syscalls.list (setrlimit): Likewise. |
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Siddhesh Poyarekar
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eb72478a28 |
Remove unnecessary uses of NOT_IN_libc
If a IS_IN_* macro is defined, then NOT_IN_libc is always defined,
except obviously for IS_IN_libc. There's no need to check for both.
Verified on x86_64 and i686 that the source is unchanged.
* include/libc-symbols.h: Remove unnecessary check for
NOT_IN_libc.
* nptl/pthreadP.h: Likewise.
* sysdeps/aarch64/setjmp.S: Likewise.
* sysdeps/alpha/setjmp.S: Likewise.
* sysdeps/arm/sysdep.h: Likewise.
* sysdeps/i386/setjmp.S: Likewise.
* sysdeps/m68k/setjmp.c: Likewise.
* sysdeps/posix/getcwd.c: Likewise.
* sysdeps/powerpc/powerpc32/setjmp-common.S: Likewise.
* sysdeps/powerpc/powerpc64/setjmp-common.S: Likewise.
* sysdeps/s390/s390-32/setjmp.S: Likewise.
* sysdeps/s390/s390-64/setjmp.S: Likewise.
* sysdeps/sh/sh3/setjmp.S: Likewise.
* sysdeps/sh/sh4/setjmp.S: Likewise.
* sysdeps/unix/alpha/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/aarch64/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/i386/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/ia64/setjmp.S: Likewise.
* sysdeps/unix/sysv/linux/ia64/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/sh/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/tile/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/x86_64/sysdep.h: Likewise.
* sysdeps/x86_64/setjmp.S: Likewise.
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Joseph Myers
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083b1f7c12 |
[PATCH 2/6] Split i386 out of main Linux kernel-features.h.
This patch splits i386 out of the main Linux kernel-features.h. Tested x86 that there are no changes to disassembly of installed shared libraries. * sysdeps/unix/sysv/linux/i386/kernel-features.h: New file. * sysdeps/unix/sysv/linux/kernel-features.h [__i386__] (__ASSUME_SOCKETCALL): Do not define. [__LINUX_KERNEL_VERSION >= 0x020621 && __i386__] (__ASSUME_RECVMMSG_SYSCALL): Likewise. [__i386__] (__ASSUME_RECVMMSG_SYSCALL_WITH_SOCKETCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x030000 && __i386__] (__ASSUME_SENDMMSG_SYSCALL): Likewise. [__i386__] (__ASSUME_SENDMMSG_SYSCALL_WITH_SOCKETCALL): Likewise. |
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Roland McGrath
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c0c6bac945 | Get rid of lll_robust_dead. | |
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Roland McGrath
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887865fcfa | Get rid of lll_robust_trylock. | |
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Roland McGrath
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f083450f45 | NPTL is no longer an add-on! | |
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Roland McGrath
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08192659bb | Get rid of nptl/sysdeps/ entirely! | |
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Joseph Myers
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11b076bbae |
Remove stray includes of kernel-features.h.
Now that files using __ASSUME_* macros have been made by <https://sourceware.org/ml/libc-alpha/2014-06/msg00543.html> to include <kernel-features.h> directly, any include from a file not using __ASSUME_* macros can safely be removed (as there will no longer be some other file relying on indirect inclusion via a header from which the include is being removed). This patch removes such unnecessary kernel-features.h includes. Tested x86_64 that disassembly of installed shared libraries is unchanged by this patch, except for line numbers in calls to __assert_fail from libc.so and ld.so. 2014-06-23 Joseph Myers <joseph@codesourcery.com> * nptl/createthread.c: Don't include kernel-features.h. * nptl/pthread_cancel.c: Likewise. * nptl/pthread_condattr_setclock.c: Likewise. * nptl/sysdeps/unix/sysv/linux/pt-raise.c: Likewise. * nptl/sysdeps/unix/sysv/linux/pthread_getcpuclockid.c: Likewise. * nptl/sysdeps/unix/sysv/linux/pthread_kill.c: Likewise. * nptl/sysdeps/unix/sysv/linux/pthread_sigqueue.c: Likewise. * nptl/sysdeps/unix/sysv/linux/raise.c: Likewise. * nptl/sysdeps/unix/sysv/linux/s390/s390-32/pt-vfork.S: Likewise. * nptl/sysdeps/unix/sysv/linux/s390/s390-32/vfork.S: Likewise. * nptl/sysdeps/unix/sysv/linux/s390/s390-64/pt-vfork.S: Likewise. * nptl/sysdeps/unix/sysv/linux/s390/s390-64/vfork.S: Likewise. * nptl/sysdeps/unix/sysv/linux/timer_create.c: Likewise. * nptl/sysdeps/unix/sysv/linux/timer_delete.c: Likewise. * nptl/sysdeps/unix/sysv/linux/timer_getoverr.c: Likewise. * nptl/sysdeps/unix/sysv/linux/timer_gettime.c: Likewise. * nptl/sysdeps/unix/sysv/linux/timer_routines.c: Likewise. * nptl/sysdeps/unix/sysv/linux/timer_settime.c: Likewise. * nscd/gai.c: Likewise. * nss/nss_db/db-open.c: Likewise. * sysdeps/generic/ldsodefs.h: Likewise. * sysdeps/sh/nptl/tls.h: Likewise. * sysdeps/unix/sysv/linux/aarch64/sigaction.c: Likewise. * sysdeps/unix/sysv/linux/aarch64/sigcontextinfo.h: Likewise. * sysdeps/unix/sysv/linux/aarch64/vfork.S: Likewise. * sysdeps/unix/sysv/linux/adjtime.c: Likewise. * sysdeps/unix/sysv/linux/alpha/xstatconv.h: Likewise. * sysdeps/unix/sysv/linux/arm/sigaction.c: Likewise. * sysdeps/unix/sysv/linux/arm/sigcontextinfo.h: Likewise. * sysdeps/unix/sysv/linux/check_pf.c: Likewise. * sysdeps/unix/sysv/linux/clock_getcpuclockid.c: Likewise. * sysdeps/unix/sysv/linux/clock_getres.c: Likewise. * sysdeps/unix/sysv/linux/clock_gettime.c: Likewise. * sysdeps/unix/sysv/linux/clock_nanosleep.c: Likewise. * sysdeps/unix/sysv/linux/clock_settime.c: Likewise. * sysdeps/unix/sysv/linux/dl-execstack.c: Likewise. * sysdeps/unix/sysv/linux/dl-osinfo.h: Likewise. * sysdeps/unix/sysv/linux/dl-sysdep.c: Likewise. * sysdeps/unix/sysv/linux/generic/futimesat.c: Likewise. * sysdeps/unix/sysv/linux/generic/poll.c: Likewise. * sysdeps/unix/sysv/linux/generic/wordsize-32/fcntl.c: Likewise. * sysdeps/unix/sysv/linux/generic/wordsize-32/fxstatat.c: Likewise. * sysdeps/unix/sysv/linux/generic/wordsize-32/pread.c: Likewise. * sysdeps/unix/sysv/linux/generic/wordsize-32/pread64.c: Likewise. * sysdeps/unix/sysv/linux/generic/wordsize-32/preadv.c: Likewise. * sysdeps/unix/sysv/linux/generic/wordsize-32/preadv64.c: Likewise. * sysdeps/unix/sysv/linux/generic/wordsize-32/pwrite.c: Likewise. * sysdeps/unix/sysv/linux/generic/wordsize-32/pwrite64.c: Likewise. * sysdeps/unix/sysv/linux/generic/wordsize-32/pwritev.c: Likewise. * sysdeps/unix/sysv/linux/generic/wordsize-32/pwritev64.c: Likewise. * sysdeps/unix/sysv/linux/getcwd.c: Likewise. * sysdeps/unix/sysv/linux/getpagesize.c: Likewise. * sysdeps/unix/sysv/linux/getsysstats.c: Likewise. * sysdeps/unix/sysv/linux/i386/fxstat.c: Likewise. * sysdeps/unix/sysv/linux/i386/lxstat.c: Likewise. * sysdeps/unix/sysv/linux/i386/mmap.S: Likewise. * sysdeps/unix/sysv/linux/i386/mmap64.S: Likewise. * sysdeps/unix/sysv/linux/i386/sigaction.c: Likewise. * sysdeps/unix/sysv/linux/i386/vfork.S: Likewise. * sysdeps/unix/sysv/linux/i386/xstat.c: Likewise. * sysdeps/unix/sysv/linux/ia64/system.c: Likewise. * sysdeps/unix/sysv/linux/if_index.c: Likewise. * sysdeps/unix/sysv/linux/ifaddrs.c: Likewise. * sysdeps/unix/sysv/linux/ifreq.c: Likewise. * sysdeps/unix/sysv/linux/ldsodefs.h: Likewise. * sysdeps/unix/sysv/linux/lutimes.c: Likewise. * sysdeps/unix/sysv/linux/m68k/vfork.S: Likewise. * sysdeps/unix/sysv/linux/microblaze/nptl/vfork.S: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/accept4.c: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/recvmmsg.c: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/sendmmsg.c: Likewise. * sysdeps/unix/sysv/linux/mips/pread.c: Likewise. * sysdeps/unix/sysv/linux/mips/pread64.c: Likewise. * sysdeps/unix/sysv/linux/mips/pwrite.c: Likewise. * sysdeps/unix/sysv/linux/mips/pwrite64.c: Likewise. * sysdeps/unix/sysv/linux/mips/sigaction.c: Likewise. * sysdeps/unix/sysv/linux/mmap64.c: Likewise. * sysdeps/unix/sysv/linux/netlinkaccess.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/chown.c: Likewise. * sysdeps/unix/sysv/linux/powerpc/dl-sysdep.c: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/fe_mask.c: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/fe_nomask.c: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext.S: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/pread.c: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/pread64.c: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/pwrite.c: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/pwrite64.c: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext.S: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext.S: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/fe_mask.c: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/fe_nomask.c: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/getcontext.S: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/makecontext.S: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/pread.c: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/pread64.c: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/pwrite.c: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/pwrite64.c: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/swapcontext.S: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/vfork.S: Likewise. * sysdeps/unix/sysv/linux/pread.c: Likewise. * sysdeps/unix/sysv/linux/pread64.c: Likewise. * sysdeps/unix/sysv/linux/prof-freq.c: Likewise. * sysdeps/unix/sysv/linux/pwrite.c: Likewise. * sysdeps/unix/sysv/linux/pwrite64.c: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/mmap.S: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/mmap64.S: Likewise. * sysdeps/unix/sysv/linux/s390/system.c: Likewise. * sysdeps/unix/sysv/linux/sh/pread.c: Likewise. * sysdeps/unix/sysv/linux/sh/pread64.c: Likewise. * sysdeps/unix/sysv/linux/sh/pwrite.c: Likewise. * sysdeps/unix/sysv/linux/sh/pwrite64.c: Likewise. * sysdeps/unix/sysv/linux/sigaction.c: Likewise. * sysdeps/unix/sysv/linux/sigpending.c: Likewise. * sysdeps/unix/sysv/linux/sigprocmask.c: Likewise. * sysdeps/unix/sysv/linux/sigsuspend.c: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/xstatconv.c: Likewise. * sysdeps/unix/sysv/linux/sparc/system.c: Likewise. * sysdeps/unix/sysv/linux/syslog.c: Likewise. * sysdeps/unix/sysv/linux/system.c: Likewise. * sysdeps/unix/sysv/linux/testrtsig.h: Likewise. * sysdeps/unix/sysv/linux/timespec_get.c: Likewise. * sysdeps/unix/sysv/linux/ttyname.c: Likewise. * sysdeps/unix/sysv/linux/ttyname_r.c: Likewise. * sysdeps/unix/sysv/linux/utimensat.c: Likewise. * sysdeps/unix/sysv/linux/x86_64/sigaction.c: Likewise. * sysdeps/unix/sysv/linux/xstatconv.h: Likewise. |
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Joseph Myers
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0ea5d373c7 |
Move architecture cases out of sysdeps/unix/sysv/linux/configure.ac.
Continuing the process of making non-ex-ports architectures follow the preferred sysdeps practices followed by ex-ports architectures - that is, putting things in architecture-specific sysdeps files rather than having architecture-specific cases in architecture-independent files - this patch moves architecture cases out of sysdeps/unix/sysv/linux/configure.ac into (new or existing) configure fragments for each architecture. (In the case of the arch_minimum_kernel setting for x32, sysdeps/unix/sysv/linux/x86_64/x32/configure already has such a setting so the setting in sysdeps/unix/sysv/linux/configure.ac was a duplicate that could just be removed - though I haven't tested for x32.) Tested for x86_64 and x86 that the patch causes no changes to the installed shared libraries or ldd (or any part of the installation except for the parts that always change because the files contain timestamps - nscd and static libraries). * sysdeps/unix/sysv/linux/configure.ac: Remove cases for individual architectures. * sysdeps/unix/sysv/linux/configure: Regenerated. * sysdeps/unix/sysv/linux/i386/configure.ac: New file. * sysdeps/unix/sysv/linux/i386/configure: New generated file. * sysdeps/unix/sysv/linux/powerpc/configure.ac (ldd_rewrite_script): Define variable. * sysdeps/unix/sysv/linux/powerpc/configure: Regenerated. * sysdeps/unix/sysv/linux/powerpc/powerpc32/configure.ac: New file. * sysdeps/unix/sysv/linux/powerpc/powerpc32/configure: New generated file. * sysdeps/unix/sysv/linux/s390/configure.ac: New file. * sysdeps/unix/sysv/linux/s390/configure: New generated file. * sysdeps/unix/sysv/linux/sh/configure.ac: New file. * sysdeps/unix/sysv/linux/sh/configure: New generated file. * sysdeps/unix/sysv/linux/sparc/configure.ac: New file. * sysdeps/unix/sysv/linux/sparc/configure: New generated file. * sysdeps/unix/sysv/linux/x86_64/configure.ac: New file. * sysdeps/unix/sysv/linux/x86_64/configure: New generated file. |
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Joseph Myers
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809fdf0d23 |
Remove __ASSUME_ATFCTS conditionals in sysdeps/unix/sysv/linux/.
This patch cleans up for __ASSUME_ATFCTS now always being true for the supported Linux kernel versions by removing conditional code in sysdeps/unix/sysv/linux. Several fchownat.c files that were only present because of differences in the fallback syscalls used (depending on the architecture-specific names of chown-related syscalls for 32-bit uids) are removed. Files that looks like they could be replaced by syscalls.list entries have the standard "Consider moving to syscalls.list." comment (see bug 14138) added. Conditionals on the relevant __NR_* syscall numbers being defined are also removed, since my analysis indicated that the relevant syscalls are always defined for all relevant kernel versions using any affected file. Much of the removed fallback code had unbounded stack allocations, so this reduces the number of cases to consider for anyone reviewing uses of alloca and VLAs in glibc. There remain tests of __ASSUME_ATFCTS in io/openat.c (to determine whether to define __have_atfcts) and sysdeps/posix/getcwd.c (which also uses __have_atfcts); thus, the definition of __ASSUME_ATFCTS remains in kernel-features.h. The logical condition relevant there is whether openat64_not_cancel_3 is known to work. Hurd doesn't use this version of getcwd at all, so the conditionals in getcwd.c are always true in glibc. However, this code is also used in gnulib. So the best way to deal with the conditionals there may be for gnulib people to deal with merging all relevant changes in both directions between the glibc and gnulib versions of this file, at the end of which the openat conditionals should be in whatever form is best for gnulib, and hardcoded in the _LIBC case to having openat supported. Tested by comparing before-and-after disassembly of installed (stripped) shared libraries, on x86_64 and x86. On x86 the patch made no change to the disassembly; on x86_64, the only changes were in readlinkat, where formerly the return value from the readlinkat syscall was stored in an int variable before being converted to ssize_t for the return, and now the return value is returned directly without truncation to int. I think it's clearly correct not to truncate the return value (although I also think the truncation would not have been a user-visible bug because the kernel would never have returned a value it could have affected). * include/fcntl.h (__atfct_seterrno): Remove prototype. (__atfct_seterrno_2): Likewise. * sysdeps/unix/sysv/linux/alpha/dl-fxstatat64.c: Do not include <kernel-features.h>. (__ASSUME_ATFCTS): Do not undefine and redefine. * sysdeps/unix/sysv/linux/alpha/fxstatat.c [__ASSUME_ATFCTS] (__have_atfcts): Remove conditional definition. (__fxstatat([__NR_fstatat64]: Make code unconditional. (__fxstatat) [!__ASSUME_ATFCTS]: Remove conditional code and code unreachable if [__ASSUME_ATFCTS]. * sysdeps/unix/sysv/linux/dl-fxstatat64.c (__ASSUME_ATFCTS): Do not undefine and redefine. * sysdeps/unix/sysv/linux/faccessat.c: Do not include <kernel-features.h>. (faccessat) [__NR_faccessat]: Make code unconditional. (faccessat) [!__ASSUME_ATFCTS]: Remove conditional code. * sysdeps/unix/sysv/linux/fchmodat.c: Do not include <kernel-features.h>. (fchmodat) [__NR_fchmodat]: Make code unconditional. (fchmodat) [!__ASSUME_ATFCTS]: Remove conditional code. * sysdeps/unix/sysv/linux/fchownat.c: Do not include <kernel-features.h>. (fchownat) [__NR_fchownat]: Make code unconditional. (fchownat) [!__ASSUME_ATFCTS]: Remove conditional code. * sysdeps/unix/sysv/linux/futimesat.c: Do not include <kernel-features.h>. (futimesat) [__NR_futimesat]: Make code unconditional. (futimesat) [!__ASSUME_ATFCTS]: Remove conditional code. * sysdeps/unix/sysv/linux/fxstatat.c: Do not include <kernel-features.h>. (__fxstatat) [__NR_newfstatat]: Make code unconditional. (__fxstatat) [!__ASSUME_ATFCTS]: Remove conditional code. * sysdeps/unix/sysv/linux/fxstatat64.c: Do not include <kernel-features.h>. (__fxstatat64) [__NR_fstatat64]: Make code unconditional. (__fxstatat64) [!__ASSUME_ATFCTS]: Remove conditional code. * sysdeps/unix/sysv/linux/i386/fchownat.c: Remove file. * sysdeps/unix/sysv/linux/i386/fxstatat.c: Do not include <kernel-features.h>. (__fxstatat) [__NR_fstatat64]: Make code unconditional. (__fxstatat) [!__ASSUME_ATFCTS]: Remove conditional code. * sysdeps/unix/sysv/linux/linkat.c: Do not include <kernel-features.h>. (linkat) [__NR_linkat]: Make code unconditional. (linkat) [!__ASSUME_ATFCTS]: Remove conditional code. * sysdeps/unix/sysv/linux/m68k/fchownat.c: Remove file. * sysdeps/unix/sysv/linux/mips/mips64/fxstatat64.c: Do not include <kernel-features.h>. (__fxstatat64) [__NR_newfstatat]: Make code unconditional. (__fxstatat64) [!__ASSUME_ATFCTS]: Remove conditional code. * sysdeps/unix/sysv/linux/mkdirat.c: Do not include <kernel-features.h>. (mkdirat) [__NR_mkdirat]: Make code unconditional. (mkdirat) [!__ASSUME_ATFCTS]: Remove conditional code. * sysdeps/unix/sysv/linux/openat.c: Do not include <kernel-features.h>. [!__ASSUME_ATFCTS] (__atfct_seterrno): Remove function. [!__ASSUME_ATFCTS] (__have_atfcts): Remove variable. (OPENAT_NOT_CANCEL) [__NR_openat]: Make code unconditional. (OPENAT_NOT_CANCEL) [!__ASSUME_ATFCTS]: Remove conditional code. * sysdeps/unix/sysv/linux/powerpc/fchownat.c: Remove file. * sysdeps/unix/sysv/linux/readlinkat.c: Do not include <kernel-features.h>. (readlinkat) [__NR_readlinkat]: Make code unconditional. (readlinkat) [!__ASSUME_ATFCTS]: Remove conditional code. Return result of INLINE_SYSCALL directly, not via int variable. * sysdeps/unix/sysv/linux/renameat.c: Do not include <kernel-features.h>. [!__ASSUME_ATFCTS] (__atfct_seterrno_2): Remove function. (renameat) [__NR_renameat]: Make code unconditional. (renameat) [!__ASSUME_ATFCTS]: Remove conditional code. * sysdeps/unix/sysv/linux/s390/s390-32/fchownat.c: Remove file. * sysdeps/unix/sysv/linux/sh/fchownat.c: Remove file. * sysdeps/unix/sysv/linux/sparc/sparc32/fchownat.c: Remove file. * sysdeps/unix/sysv/linux/sparc/sparc64/dl-fxstatat64.c (__ASSUME_ATFCTS): Do not undefine and redefine. * sysdeps/unix/sysv/linux/symlinkat.c: Do not include <kernel-features.h>. (symlinkat) [__NR_symlinkat]: Make code unconditional. (symlinkat) [!__ASSUME_ATFCTS]: Remove conditional code. * sysdeps/unix/sysv/linux/unlinkat.c: Do not include <kernel-features.h>. (unlinkat) [__NR_unlinkat]: Make code unconditional. (unlinkat) [!__ASSUME_ATFCTS]: Remove conditional code. * sysdeps/unix/sysv/linux/wordsize-64/dl-fxstatat64.c (__ASSUME_ATFCTS): Do not undefine and redefine. * sysdeps/unix/sysv/linux/wordsize-64/fxstatat.c: Do not include <kernel-features.h>. (__fxstatat) [__NR_newfstatat]: Make code unconditional. (__fxstatat) [!__ASSUME_ATFCTS]: Remove conditional code. * sysdeps/unix/sysv/linux/xmknodat.c: Do not include <kernel-features.h>. (__xmknodat) [__NR_mknodat]: Make code unconditional. (__xmknodat) [!__ASSUME_ATFCTS]: Remove conditional code. |
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Andi Kleen
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b7aa8caace |
Remove x86 assembler rwlock code
With the recent tuning the C version of rwlocks is basically the same performance as the x86 assembler version for uncontended locks (with a a few cycles near the run-to-run variability). For others it should not matter anyways. So remove the assembler code and use the C version like other architectures. |
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Roland McGrath
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962b744d06 | Start cleaning up TLS initial value for pthread_create. | |
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Roland McGrath
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def4bcb29d | Split arch-fork.h from fork.h | |
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Roland McGrath
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a5d87b3db4 | x86: Move abilist files out of nptl/ subdirectories. | |
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Roland McGrath
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348f8e8c26 | Move remaining nptl/sysdeps/unix/sysv/linux/i386/ files. | |
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Roland McGrath
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ec136444ca | x86: Consolidate NPTL fork. | |
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Roland McGrath
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941d7dfd24 | x86: Consolidate NPTL/non versions of clone |