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* nptl: Consolidate sem_init implementationsAdhemerval Zanella2016-09-152-86/+0
| | | | | | | | | | | | | | Current sparc32 sem_init and default one only differ on sem.newsem.pad initialization. This patch removes sparc32 and sparc32v9 sem_init arch specific implementation and set sparc32 to use nptl default one. The default implementation sets the required sem.newsem.pad to 0 (which is ununsed in other architectures). I checked on i686 and a sparc32v9 build. * nptl/sem_init.c (sem_init): Init pad value to 0. * sysdeps/sparc/sparc32/sem_init.c: Remove file. * sysdeps/sparc/sparc32/sparcv9/sem_init.c: Likewise.
* nptl: Remove sparc sem_waitAdhemerval Zanella2016-09-152-94/+0
| | | | | | | | | | | This patch removes the sparc32 sem_wait.c implementation since it is identical to default nptl one. The sparcv9 is no longer required with the removal. Checked with a sparcv9 build. * sysdeps/sparc/sparc32/sem_wait.c: Remove file. * sysdeps/sparc/sparc32/sparcv9/sem_wait.c: Likewise.
* nptl: Consolidate sem_open implementationsAdhemerval Zanella2016-09-152-301/+0
| | | | | | | | | | | | | | | | | | | | Current sparc32 sem_open and default one only differ on: 1. Default one contains a 'futex_supports_pshared' check. 2. sem.newsem.pad is initialized to zero. This patch removes sparc32 and sparc32v9 sem_open arch specific implementation and instead set sparc32 to use nptl default one. Using 1. is fine since it should always evaluate 0 for Linux (an optimized away by the compiler). Adding 2. to default implementation should be ok since 'pad' field is used mainly on sparc32 code. I checked on i686 and checked a sparc32v9 build. * nptl/sem_open.c (sem_open): Init pad value to 0. * sysdeps/sparc/sparc32/sem_open.c: Remove file. * sysdeps/sparc/sparc32/sparcv9/sem_open.c: Likewise.
* Add femode_t functions: sparc.Joseph Myers2016-09-072-0/+64
| | | | | | | This patch adds SPARC versions of fegetmode and fesetmode. Untested. * sysdeps/sparc/fpu/fegetmode.c: New file. * sysdeps/sparc/fpu/fesetmode.c: Likewise.
* Add femode_t functions.Joseph Myers2016-09-071-0/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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.
* Make common fdim implementation generic.Paul E. Murphy2016-09-014-1/+7
| | | | | | | | | | | | | | The only difference is the usage of math_narrow_eval when building s_fdiml.c. This should be harmless for long double, but I did observe some code generation changes on m68k, but lack the resources to test it. Likewise, to more easily support overriding symbol generation, the aliasing macros are always conditionally defined on their absence to reduce boilerplate. I also ran builds for i486, ppc64, sparcv9, aarch64, s390x and observed no changes to s_fdim* objects.
* sparcv9: Restore fdiml@GLIBC_2.1Paul E. Murphy2016-08-291-1/+1
| | | | | Use s_fdim.c from sysdeps/ieee754/ldbl-opt/ instead of math/ to ensure a compat symbol for fdiml is created.
* Add fesetexcept: sparc.Joseph Myers2016-08-161-0/+31
| | | | | | This patch adds a SPARC version of fesetexcept. Untested. * sysdeps/sparc/fpu/fesetexcept.c: New file.
* sparc32/sparcv9: add a VIS3 version of fdimAurelien Jarno2016-08-055-1/+114
| | | | | | | | | | | | | | | | | | | sparc32 passes floating point values in the integer registers. VIS3 instructions gives access to the movwtos instruction to directly transfer a value from an integer register to a floating point register. Therefore it makes sense to provide a VIS3 version consisting in the generic version compiled with -mvis3. Changelog: * math/s_fdim.c: Avoid alias renamed. * math/s_fdimf.c: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile [$(subdir) = math && $(have-as-vis3) = yes] (libm-sysdep_routines): Add s_fdimf-vis3, s_fdim-vis3. (CFLAGS-s_fdimf-vis3.c): New. Set to -Wa,-Av9d -mvis3. (CFLAGS-s_fdim-vis3.c): Likewise. sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdim-vis3.c: New file. sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdim.c: Likewise.
* sparc: remove fdim sparc specific implementationsAurelien Jarno2016-08-0511-314/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The fdim and fdimf functions on sparc do not fully follow the standard and do not set errno to ERANGE when the result overflows. Since glibc 2.24 this causes the two following tests to fail: Failure: fdim (max_value, -max_value): errno set to 0, expected 34 (ERANGE) Failure: fdim_upward (max_value, -max_value): errno set to 0, expected 34 (ERANGE) It happens that using GCC with the generic C code generates very similar code to the sparc specific implementations. Therefore this patches remove them. Note it might still worth adding a vis3 specific version of fdim on sparc32/sparcv9, this is done in a following patch to ease backporting. Changelog: * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile [$(subdir) = math && $(have-as-vis3) = yes] (libm-sysdep_routines): Remove s_fdimf-vis3, s_fdim-vis3. * sysdeps/sparc/sparc32/fpu/s_fdim.S: Delete file. * sysdeps/sparc/sparc32/fpu/s_fdimf.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdim-vis3.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdim.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdimf-vis3.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdimf.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/s_fdim.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/s_fdimf.S: Likewise. * sysdeps/sparc/sparc64/fpu/s_fdim.S: Likewise. * sysdeps/sparc/sparc64/fpu/s_fdimf.S: Likewise.
* sparc: build with -mvis on sparc32/sparcv9 and sparc64Aurelien Jarno2016-08-052-1/+3
| | | | | | | | | | | | | | When building for sparc32/sparcv9 or sparc64, we assume that VIS instructions are available and use them in the sparc specific assembly code. However we do not tell GCC to use such instructions, resulting in slightly suboptimal code. Fix that by passing -Wa,-Av9a -mvis to GCC. Changelog: * sysdeps/sparc/sparc32/sparcv9/Makefile (sysdep-CFLAGS): Add -mvis. * sysdeps/sparc/sparc64/Makefile (sysdep-CFLAGS): New. Define to -Wa,-Av9a -mvis.
* sparc64: add a VIS3 version of ceil, floor and truncAurelien Jarno2016-08-0313-1/+340
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | sparc64 passes floating point values in the floating point registers. As the the generic ceil, floor and trunc functions use integer instructions, it makes sense to provide a VIS3 version consisting in the the generic version compiled with -mvis3. GCC will then use movdtox, movxtod, movwtos and movstow instructions. sparc32 passes the floating point values in the integer registers, so it doesn't make sense to do the same. Changelog: * sysdeps/ieee754/dbl-64/s_trunc.c: Avoid alias renamed. * sysdeps/ieee754/dbl-64/wordsize-64/s_trunc.c: Likewise. * sysdeps/ieee754/flt-32/s_truncf.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/Makefile [$(subdir) = math && $(have-as-vis3) = yes] (libm-sysdep_routines): Add s_ceilf-vis3, s_ceil-vis3, s_floorf-vis3, s_floor-vis3, s_truncf-vis3, s_trunc-vis3. (CFLAGS-s_ceilf-vis3.c): New. Set to -Wa,-Av9d -mvis3. (CFLAGS-s_ceil-vis3.c): Likewise. (CFLAGS-s_floorf-vis3.c): Likewise. (CFLAGS-s_floor-vis3.c): Likewise. (CFLAGS-s_truncf-vis3.c): Likewise. (CFLAGS-s_trunc-vis3.c): Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_ceil-vis3.c: New file. * sysdeps/sparc/sparc64/fpu/multiarch/s_ceil.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_ceilf-vis3.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_ceilf.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_floor-vis3.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_floor.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_floorf-vis3.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_floorf.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_trunc-vis3.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_trunc.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_truncf-vis3.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_truncf.c: Likewise.
* Fix sNaN handling in nearbyint on 32-bit sparc.David S. Miller2016-08-024-10/+10
| | | | | | | | | | | | * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_nearbyint-vis3.S (__nearbyint_vis3): Don't check for sNaN before float register is loaded with the incoming argument. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_nearbyintf-vis3.S (__nearbyintf_vis3): Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/s_nearbyint.S (__nearbyint): Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/s_nearbyintf.S (__nearbyintf): Likewise.
* sparc: remove ceil, floor, trunc sparc specific implementationsAurelien Jarno2016-08-0246-2245/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The ceil, floor and trunc functions on sparc do not fully follow the standard and trigger an inexact exception when presented a value which is not an integer. Since glibc 2.24 this causes a few tests to fail, for instance: testing double (without inline functions) Failure: ceil (lit_pi): Exception "Inexact" set Failure: ceil (-lit_pi): Exception "Inexact" set Failure: ceil (min_subnorm_value): Exception "Inexact" set Failure: ceil (min_value): Exception "Inexact" set Failure: ceil (0.1): Exception "Inexact" set Failure: ceil (0.25): Exception "Inexact" set Failure: ceil (0.625): Exception "Inexact" set Failure: ceil (-min_subnorm_value): Exception "Inexact" set Failure: ceil (-min_value): Exception "Inexact" set Failure: ceil (-0.1): Exception "Inexact" set Failure: ceil (-0.25): Exception "Inexact" set Failure: ceil (-0.625): Exception "Inexact" set I tried to fix that by using the same strategy than used on other architectures, that is by saving the FSR register at the beginning and restoring it at the end of the function. When doing so I noticed a comment that this operation might be very costly, so I decided to do some benchmarks. The benchmarks below represent the time required to run each of the function 60 millions of times with different input value. I have done that in the basic V9 code, the VIS2 code, and using the default C implementation of the libc, for both sparc32 and sparc64, on a Niagara T1 based machine and an UltraSparc IIIi. Given I don't have access to a more recent machine), I haven't been able to test the VIS3 version. Also it should be noted that it doesn't make sense to do this benchmark for V8 or earlier as in that case we use the default C implementation. The results are available in the table below, the "+ fix" version correspond to the one saving and restoring the FSR. Niagara T1 / sparc32 -------------------- ceilf ceil floorf floor truncf trunc V9 19.10 22.48 19.10 22.48 16.59 19.27 V9 + fix 19.77 23.34 19.77 23.33 17.27 20.12 VIS2 16.87 19.62 16.87 19.62 VIS2 + fix 17.55 20.47 17.55 20.47 C impl 11.39 13.80 11.40 13.80 10.88 10.84 Niagara T1 / sparc64 -------------------- ceilf ceil floorf floor truncf trunc V9 18.14 22.23 18.14 22.23 15.64 19.02 V9 + fix 18.82 23.08 18.82 23.08 16.32 19.87 VIS2 15.92 19.37 15.92 19.37 VIS2 + fix 16.59 20.22 16.59 20.22 C impl 11.39 13.60 11.39 15.36 10.88 12.65 UltraSparc IIIi / sparc32 ------------------------- ceilf ceil floorf floor truncf trunc V9 4.81 7.09 6.61 11.64 4.91 7.05 V9 + fix 7.20 10.42 7.14 10.54 6.76 9.47 VIS2 4.81 7.03 4.76 7.13 VIS2 + fix 6.76 9.51 6.71 9.63 C impl 3.88 8.62 3.90 9.45 3.57 6.62 UltraSparc IIIi / sparc64 ------------------------- ceilf ceil floorf floor truncf trunc V9 3.48 4.39 3.48 4.41 3.01 3.85 V9 + fix 4.76 5.90 4.76 5.90 4.86 6.26 VIS2 2.95 3.61 2.95 3.61 VIS2 + fix 4.24 5.37 4.30 7.97 C impl 3.63 4.89 3.62 6.38 3.33 4.03 The first thing that should be noted is that the C implementation is always faster on the Niagara T1 based machine. On the UltraSparc IIIi the float version on sparc32 is also faster. Coming back about the fix saving and restoring the FSR, it appears it has a big impact as expected. In that case the C implementation is always faster than the fixed implementations. This patch therefore removes the sparc specific implementations in favor of the generic ones. Changelog: * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile [$(subdir) = math] (libm-sysdep_routines): Remove. [$(subdir) = math && $(have-as-vis3) = yes] (libm-sysdep_routines): Remove s_ceilf-vis3, s_ceil-vis3, s_floorf-vis3, s_floor-vis3, s_truncf-vis3, s_trunc-vis3. * sysdeps/sparc/sparc64/fpu/multiarch/Makefile: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_ceil-vis2.S: Delete file. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_ceil-vis3.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_ceil.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_ceilf-vis2.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_ceilf-vis3.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_ceilf.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_floor-vis2.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_floor-vis3.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_floor.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_floorf-vis2.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_floorf-vis3.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_floorf.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_trunc-vis3.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_trunc.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_truncf-vis3.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_truncf.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/s_ceil.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/s_ceilf.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/s_floor.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/s_floorf.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/s_trunc.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/s_truncf.S: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_ceil-vis2.S: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_ceil-vis3.S: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_ceil.S: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_ceilf-vis2.S: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_ceilf-vis3.S: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_ceilf.S: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_floor-vis2.S: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_floor-vis3.S: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_floor.S: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_floorf-vis2.S: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_floorf-vis3.S: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_floorf.S: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_trunc-vis3.S: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_trunc.S: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_truncf-vis3.S: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_truncf.S: Likewise. * sysdeps/sparc/sparc64/fpu/s_ceil.S: Likewise. * sysdeps/sparc/sparc64/fpu/s_ceilf.S: Likewise. * sysdeps/sparc/sparc64/fpu/s_floor.S: Likewise. * sysdeps/sparc/sparc64/fpu/s_floorf.S: Likewise. * sysdeps/sparc/sparc64/fpu/s_trunc.S: Likewise. * sysdeps/sparc/sparc64/fpu/s_truncf.S: Likewise.
* SPARC: fix nearbyint on sNaN inputAurelien Jarno2016-07-018-0/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | nearbyint and nearbyintf should not trigger inexact exceptions, but should still trigger an invalid exception for a sNaN input. The SPARC specific implementations of these functions save the FSR at the beginning of the function and restore it at the end to not trigger an inexact exception. This however doesn't work for an sNaN input which need to trigger an invalid exception. Fix that by adding a fcmp instruction using the input value before saving FSR, so that an invalid exception is triggered for a sNaN input. This fixes the math/test-nearbyint-except test on SPARC. Changelog: * sparc/sparc32/sparcv9/fpu/s_nearbyint.S (__nearbyint): Trigger an invalid exception for a sNaN input. * sparc/sparc32/sparcv9/fpu/s_nearbyintf.S (__nearbyintf): Likewise. * sparc/sparc32/sparcv9/fpu/multiarch/s_nearbyint-vis3.S (__nearbyint_vis3): Likewise * sparc/sparc32/sparcv9/fpu/multiarch/s_nearbyintf-vis3.S (__nearbyintf_vis3): Likewise * sparc/sparc64/fpu/s_nearbyint.S (__nearbyint): Likewise. * sparc/sparc64/fpu/s_nearbyintf.S (__nearbyintf): Likewise. * sparc/sparc64/fpu/multiarch/s_nearbyint-vis3.S (__nearbyint_vis3): Likewise. * sparc/sparc64/fpu/multiarch/s_nearbyintf-vis3.S (__nearbyintf_vis3): Likewise.
* elf: Consolidate machine-agnostic DTV definitions in <dl-dtv.h>Florian Weimer2016-06-202-14/+1
| | | | | Identical definitions of dtv_t and TLS_DTV_UNALLOCATED were repeated for all architectures using DTVs.
* Add _STRING_INLINE_unaligned and string_private.hH.J. Lu2016-02-181-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As discussed in https://sourceware.org/ml/libc-alpha/2015-10/msg00403.html the setting of _STRING_ARCH_unaligned currently controls the external GLIBC ABI as well as selecting the use of unaligned accesses withing GLIBC. Since _STRING_ARCH_unaligned was recently changed for AArch64, this would potentially break the ABI in GLIBC 2.23, so split the uses and add _STRING_INLINE_unaligned to select the string ABI. This setting must be fixed for each target, while _STRING_ARCH_unaligned may be changed from release to release. _STRING_ARCH_unaligned is used unconditionally in glibc. But <bits/string.h>, which defines _STRING_ARCH_unaligned, isn't included with -Os. Since _STRING_ARCH_unaligned is internal to glibc and may change between glibc releases, it should be made private to glibc. _STRING_ARCH_unaligned should defined in the new string_private.h heade file which is included unconditionally from internal <string.h> for glibc build. [BZ #19462] * bits/string.h (_STRING_ARCH_unaligned): Renamed to ... (_STRING_INLINE_unaligned): This. * include/string.h: Include <string_private.h>. * string/bits/string2.h: Replace _STRING_ARCH_unaligned with _STRING_INLINE_unaligned. * sysdeps/aarch64/bits/string.h (_STRING_ARCH_unaligned): Removed. (_STRING_INLINE_unaligned): New. * sysdeps/aarch64/string_private.h: New file. * sysdeps/generic/string_private.h: Likewise. * sysdeps/m68k/m680x0/m68020/string_private.h: Likewise. * sysdeps/s390/string_private.h: Likewise. * sysdeps/x86/string_private.h: Likewise. * sysdeps/m68k/m680x0/m68020/bits/string.h (_STRING_ARCH_unaligned): Renamed to ... (_STRING_INLINE_unaligned): This. * sysdeps/s390/bits/string.h (_STRING_ARCH_unaligned): Renamed to ... (_STRING_INLINE_unaligned): This. * sysdeps/sparc/bits/string.h (_STRING_ARCH_unaligned): Renamed to ... (_STRING_INLINE_unaligned): This. * sysdeps/x86/bits/string.h (_STRING_ARCH_unaligned): Renamed to ... (_STRING_INLINE_unaligned): This.
* Define __sqrtl_finite on sparc 32-bit with correct symbol version.David S. Miller2016-01-252-1/+8
| | | | | | | * sysdeps/sparc/sparc32/Versions (GLIBC_2.23): Add entry for __sqrtl_finite. * sysdeps/sparc/sparc32/fpu/e_sqrtl.c (__sqrtl_finite): Define instead using versioned_symbol. * sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Fix ordering of entries.
* Fix missing __sqrtl_finite symbol in libm on sparc 32-bit.David S. Miller2016-01-242-2/+28
| | | | | | * sysdeps/sparc/sparc32/fpu/e_sqrtl.c: New file. * sysdeps/sparc/sparc32/soft-fp/q_sqrt.c (__ieee754_sqrtl): Remove alias. * sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Add __sqrtl_finite.
* Update sparc ULPS.David S. Miller2016-01-241-208/+228
| | | | * sysdeps/sparc/fpu/libm-test-ulps: Update.
* New pthread_barrier algorithm to fulfill barrier destruction requirements.Torvald Riegel2016-01-155-275/+2
| | | | | | | | | | 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.
* Update copyright dates with scripts/update-copyrights.Joseph Myers2016-01-04342-342/+342
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* Convert 69 more function definitions to prototype style (line wrap cases).Joseph Myers2015-10-191-4/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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.
* Convert 231 sysdeps function definitions to prototype style.Joseph Myers2015-10-195-12/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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.
* Make scalbn set errno (bug 6803).Joseph Myers2015-09-161-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As noted in bug 6803, scalbn fails to set errno on overflow and underflow. This patch fixes this by making scalbn an alias of ldexp, which has exactly the same semantics (for floating-point types with radix 2) and already has wrappers that deal with setting errno, instead of an alias of the internal __scalbn (which ldexp calls). Notes: * Where compat symbols were defined for scalbn functions, I didn't change what they point to (to keep the patch minimal), so such compat symbols continue to go directly to the non-errno-setting functions. * Mike, I didn't do anything with the IA64 versions of these functions, where I think both the ldexp and scalbn functions already deal with setting errno. As a cleanup (not needed to fix this bug) however you might want to make those functions into aliases for IA64; there is no need for them to be separate function implementations at all. * This concludes the fix for bug 6803 since the scalb and scalbln cases of that bug were fixed some time ago. Tested for x86_64, x86, mips64 and powerpc. [BZ #6803] * math/s_ldexp.c (scalbn): Define as weak alias of __ldexp. [NO_LONG_DOUBLE] (scalbnl): Define as weak alias of __ldexp. * math/s_ldexpf.c (scalbnf): Define as weak alias of __ldexpf. * math/s_ldexpl.c (scalbnl): Define as weak alias of __ldexpl. * sysdeps/i386/fpu/s_scalbn.S (scalbn): Remove alias. * sysdeps/i386/fpu/s_scalbnf.S (scalbnf): Likewise. * sysdeps/i386/fpu/s_scalbnl.S (scalbnl): Likewise. * sysdeps/ieee754/dbl-64/s_scalbn.c (scalbn): Likewise. [NO_LONG_DOUBLE] (scalbnl): Likewise. * sysdeps/ieee754/dbl-64/wordsize-64/s_scalbn.c (scalbn): Likewise. [NO_LONG_DOUBLE] (scalbnl): Likewise. * sysdeps/ieee754/flt-32/s_scalbnf.c (scalbnf): Likewise. * sysdeps/ieee754/ldbl-128/s_scalbnl.c (scalbnl): Likewise. * sysdeps/ieee754/ldbl-128ibm/s_scalbnl.c (scalbnl): Remove long_double_symbol calls. * sysdeps/ieee754/ldbl-64-128/s_scalbnl.c (scalbnl): Likewise. * sysdeps/ieee754/ldbl-opt/s_ldexpl.c (__ldexpl_2): Define as strong alias of __ldexpl. (scalbnl): Define using long_double_symbol. * sysdeps/m68k/m680x0/fpu/s_scalbn.c (__CONCATX(scalbn,suffix)): Remove alias. * sysdeps/sparc/sparc64/soft-fp/s_scalbnl.c (scalbnl): Likewise. * sysdeps/x86_64/fpu/s_scalbnl.S (scalbnl): Likewise. * math/libm-test.inc (scalbn_test_data): Add errno expectations. (scalbln_test_data): Add more errno expectations.
* Move bits/atomic.h to atomic-machine.h (bug 14912).Joseph Myers2015-09-113-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It was noted in <https://sourceware.org/ml/libc-alpha/2012-09/msg00305.html> that the bits/*.h naming scheme should only be used for installed headers. This patch renames bits/atomic.h to atomic-machine.h to follow that convention. This is the only change in this series that needs to change the filename rather than simply removing a directory level (because both atomic.h and bits/atomic.h exist at present). Tested for x86_64 (testsuite, and that installed stripped shared libraries are unchanged by the patch). [BZ #14912] * sysdeps/aarch64/bits/atomic.h: Move to ... * sysdeps/aarch64/atomic-machine.h: ...here. (_AARCH64_BITS_ATOMIC_H): Rename macro to _AARCH64_ATOMIC_MACHINE_H. * sysdeps/alpha/bits/atomic.h: Move to ... * sysdeps/alpha/atomic-machine.h: ...here. * sysdeps/arm/bits/atomic.h: Move to ... * sysdeps/arm/atomic-machine.h: ...here. Update comments. * bits/atomic.h: Move to ... * sysdeps/generic/atomic-machine.h: ...here. (_BITS_ATOMIC_H): Rename macro to _ATOMIC_MACHINE_H. * sysdeps/i386/bits/atomic.h: Move to ... * sysdeps/i386/atomic-machine.h: ...here. * sysdeps/ia64/bits/atomic.h: Move to ... * sysdeps/ia64/atomic-machine.h: ...here. * sysdeps/m68k/coldfire/bits/atomic.h: Move to ... * sysdeps/m68k/coldfire/atomic-machine.h: ...here. (_BITS_ATOMIC_H): Rename macro to _ATOMIC_MACHINE_H. * sysdeps/m68k/m680x0/m68020/bits/atomic.h: Move to ... * sysdeps/m68k/m680x0/m68020/atomic-machine.h: ...here. * sysdeps/microblaze/bits/atomic.h: Move to ... * sysdeps/microblaze/atomic-machine.h: ...here. * sysdeps/mips/bits/atomic.h: Move to ... * sysdeps/mips/atomic-machine.h: ...here. (_MIPS_BITS_ATOMIC_H): Rename macro to _MIPS_ATOMIC_MACHINE_H. * sysdeps/powerpc/bits/atomic.h: Move to ... * sysdeps/powerpc/atomic-machine.h: ...here. Update comments. * sysdeps/powerpc/powerpc32/bits/atomic.h: Move to ... * sysdeps/powerpc/powerpc32/atomic-machine.h: ...here. Update comments. Include <atomic-machine.h> instead of <bits/atomic.h>. * sysdeps/powerpc/powerpc64/bits/atomic.h: Move to ... * sysdeps/powerpc/powerpc64/atomic-machine.h: ...here. Include <atomic-machine.h> instead of <bits/atomic.h>. * sysdeps/s390/bits/atomic.h: Move to ... * sysdeps/s390/atomic-machine.h: ...here. * sysdeps/sparc/sparc32/bits/atomic.h: Move to ... * sysdeps/sparc/sparc32/atomic-machine.h: ...here. (_BITS_ATOMIC_H): Rename macro to _ATOMIC_MACHINE_H. * sysdeps/sparc/sparc32/sparcv9/bits/atomic.h: Move to ... * sysdeps/sparc/sparc32/sparcv9/atomic-machine.h: ...here. * sysdeps/sparc/sparc64/bits/atomic.h: Move to ... * sysdeps/sparc/sparc64/atomic-machine.h: ...here. * sysdeps/tile/bits/atomic.h: Move to ... * sysdeps/tile/atomic-machine.h: ...here. * sysdeps/tile/tilegx/bits/atomic.h: Move to ... * sysdeps/tile/tilegx/atomic-machine.h: ...here. Include <sysdeps/tile/atomic-machine.h> instead of <sysdeps/tile/bits/atomic.h>. (_BITS_ATOMIC_H): Rename macro to _ATOMIC_MACHINE_H. * sysdeps/tile/tilepro/bits/atomic.h: Move to ... * sysdeps/tile/tilepro/atomic-machine.h: ...here. Include <sysdeps/tile/atomic-machine.h> instead of <sysdeps/tile/bits/atomic.h>. (_BITS_ATOMIC_H): Rename macro to _ATOMIC_MACHINE_H. * sysdeps/unix/sysv/linux/arm/bits/atomic.h: Move to ... * sysdeps/unix/sysv/linux/arm/atomic-machine.h: ...here. Include <sysdeps/arm/atomic-machine.h> instead of <sysdeps/arm/bits/atomic.h>. * sysdeps/unix/sysv/linux/hppa/bits/atomic.h: Move to ... * sysdeps/unix/sysv/linux/hppa/atomic-machine.h: ...here. (_BITS_ATOMIC_H): Rename macro to _ATOMIC_MACHINE_H. * sysdeps/unix/sysv/linux/m68k/coldfire/bits/atomic.h: Move to ... * sysdeps/unix/sysv/linux/m68k/coldfire/atomic-machine.h: ...here. (_BITS_ATOMIC_H): Rename macro to _ATOMIC_MACHINE_H. * sysdeps/unix/sysv/linux/nios2/bits/atomic.h: Move to ... * sysdeps/unix/sysv/linux/nios2/atomic-machine.h: ...here. (_NIOS2_BITS_ATOMIC_H): Rename macro to _NIOS2_ATOMIC_MACHINE_H. * sysdeps/unix/sysv/linux/sh/bits/atomic.h: Move to ... * sysdeps/unix/sysv/linux/sh/atomic-machine.h: ...here. * sysdeps/x86_64/bits/atomic.h: Move to ... * sysdeps/x86_64/atomic-machine.h: ...here. * include/atomic.h: Include <atomic-machine.h> instead of <bits/atomic.h>.
* Fix non-v9 32-bit sparc build.Brett Neumeier2015-08-311-0/+1
| | | | | [BZ #18870] * sysdeps/sparc/sparc32/sem_open.c: Add missing #include
* Fix BZ #18084 -- backtrace (..., 0) dumps core on x86.Paul Pluzhnikov2015-08-151-1/+1
| | | | Other architectures also had bugs, or did unnecessary work.
* Improve performance of mempcpy by inlining and using memcpy. EnableWilco Dijkstra2015-08-051-0/+3
| | | | | this for all targets except sparc which has an optimized mempcpy implementation.
* Regenerate SPARC ULPs.David S. Miller2015-07-161-239/+389
| | | | * sysdeps/sparc/fpu/libm-test-ulps: Regenerated.
* Fix sparc build.David S. Miller2015-07-155-2/+13
| | | | | | | | | | * sysdeps/sparc/nptl/pthread_barrier_init.c: Include futex-intenal.h * sysdeps/sparc/sparc32/sparcv9/Makefile (nscd): Add cpu_relax. * sysdeps/sparc/sparc64/Makefile: Likewise. * sysdeps/sparc/sparc32/sparcv9/bits/atomic.h (atomic_spin_nop): Remove space from macro define. * sysdeps/sparc/sparc64/bits/atomic.h (atomic_spin_nop): Likewise.
* Add and use new glibc-internal futex API.Torvald Riegel2015-07-108-155/+29
| | | | | | | | | | | | | | | | | | | | This adds new functions for futex operations, starting with wait, abstimed_wait, reltimed_wait, wake. They add documentation and error checking according to the current draft of the Linux kernel futex manpage. Waiting with absolute or relative timeouts is split into separate functions. This allows for removing a few cases of code duplication in pthreads code, which uses absolute timeouts; also, it allows us to put platform-specific code to go from an absolute to a relative timeout into the platform-specific futex abstractions.. Futex operations that can be canceled are also split out into separate functions suffixed by "_cancelable". There are separate versions for both Linux and NaCl; while they currently differ only slightly, my expectation is that the separate versions of lowlevellock-futex.h will eventually be merged into futex-internal.h when we get to move the lll_ functions over to the new futex API.
* Clean up BUSY_WAIT_NOP and atomic_delay.Torvald Riegel2015-06-302-0/+6
| | | | | | | | | 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.
* Fix mq_notify pthread_barrier_* namespace (bug 18544).Joseph Myers2015-06-173-3/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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.
* Fix sem_* tdelete, tfind, tsearch, twalk namespace (bug 18536).Joseph Myers2015-06-171-2/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The sem_* functions bring in references to tdelete, tfind, tsearch and twalk. But the t* functions are XSI-shaded, while sem_* aren't. This patch fixes this by using __t* instead, exporting those functions from libc at version GLIBC_PRIVATE (since sem_* are in libpthread) and using libc_hidden_* for the benefit of calls within libc. Tested for x86_64 and x86 (testsuite, and comparison of disassembly of installed stripped shared libraries). libpthread gets changes from PLT reordering; addresses in libc change because of PLT / dynamic symbol table changes. [BZ #18536] * misc/tsearch.c (__tsearch): Use libc_hidden_def. (__tfind): Likewise. (__tdelete): Likewise. (__twalk): Likewise. * misc/Versions (libc): Add __tdelete, __tfind, __tsearch and __twalk to GLIBC_PRIVATE. * include/search.h (__tsearch): Use libc_hidden_proto. (__tfind): Likewise. (__tdelete): Likewise. (__twalk): Likewise. * nptl/sem_close.c (sem_close): Call __twalk instead of twalk. Call __tdelete instead of tdelete. * nptl/sem_open.c (check_add_mapping): Call __tfind instead of tfind. Call __tsearch instead of tsearch. * sysdeps/sparc/sparc32/sem_open.c (check_add_mapping): Likewise. * conform/Makefile (test-xfail-POSIX/semaphore.h/linknamespace): Remove variable. (test-xfail-POSIX2008/semaphore.h/linknamespace): Likewise.
* Split timed-wait functions out of nptl/lowlevellock.c.Roland McGrath2015-05-262-0/+2
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* BZ#18434: Fix sem_post EOVERFLOW check for [!__HAVE_64B_ATOMICS].Roland McGrath2015-05-191-4/+4
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* Sparc memchr/memcmp/strncmp fixes from Il'ya Malakhov.David S. Miller2015-04-173-5/+6
| | | | | | | [BZ #17825] * sysdeps/sparc/sparc64/memchr.S: Fix signedness handling of length. * sysdeps/sparc/sparc64/memcmp.S: Likewise. * sysdeps/sparc/sparc64/strncmp.S: Likewise.
* Rebuilt fresh sparc ULPS to get rid of removed tests.David S. Miller2015-04-151-164/+74
| | | | * sysdeps/sparc/fpu/libm-test-ulps: Regenerate from scratch.
* Update SPARC ulps.David S. Miller2015-04-081-88/+171
| | | | * sysdeps/sparc/fpu/libm-test-ulps: Update.
* Replace ELF_RTYPE_CLASS_NOCOPY with ELF_RTYPE_CLASS_COPYH.J. Lu2015-03-052-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ELF_RTYPE_CLASS_NOCOPY in comments is a typo. It should be ELF_RTYPE_CLASS_COPY. [BZ #18082] * sysdeps/alpha/dl-machine.h (elf_machine_type_class): Replace ELF_RTYPE_CLASS_NOCOPY with ELF_RTYPE_CLASS_COPY in comments. * sysdeps/arm/dl-machine.h (elf_machine_type_class): Likewise. * sysdeps/hppa/dl-machine.h (elf_machine_type_class): Likewise. * sysdeps/i386/dl-machine.h (elf_machine_type_class): Likewise. * sysdeps/ia64/dl-machine.h (elf_machine_type_class): Likewise. * sysdeps/m68k/dl-machine.h (elf_machine_type_class): Likewise. * sysdeps/microblaze/dl-machine.h (elf_machine_type_class): Likewise. * sysdeps/nios2/dl-machine.h (elf_machine_type_class): Likewise. * sysdeps/powerpc/powerpc32/dl-machine.h (elf_machine_type_class): Likewise. * sysdeps/powerpc/powerpc64/dl-machine.h (elf_machine_type_class): Likewise. * sysdeps/s390/s390-32/dl-machine.h (elf_machine_type_class): Likewise. * sysdeps/s390/s390-64/dl-machine.h (elf_machine_type_class): Likewise. * sysdeps/sh/dl-machine.h (elf_machine_type_class): Likewise. * sysdeps/sparc/sparc32/dl-machine.h (elf_machine_type_class): Likewise. * sysdeps/sparc/sparc64/dl-machine.h (elf_machine_type_class): Likewise. * sysdeps/tile/dl-machine.h (elf_machine_type_class): Likewise. * sysdeps/x86_64/dl-machine.h (elf_machine_type_class): Likewise.
* Fix two bugs in sparc atomics.David S. Miller2015-01-311-7/+8
| | | | | | | | * sysdeps/sparc/sparc32/bits/atomic.h (__sparc32_atomic_do_unlock24): Put the memory barrier before the unlock not after it. (__v9_compare_and_exchange_val_32_acq): Use unions to avoid getting volatile register usage warnings from the compiler.
* Fix sparc semaphore implementation after recent changes.David S. Miller2015-01-3117-703/+668
| | | | | | | | | | | | | | | | | | | | | | | | * sysdeps/sparc/nptl/sem_init.c: Delete. * sysdeps/sparc/nptl/sem_post.c: Delete. * sysdeps/sparc/nptl/sem_timedwait.c: Delete. * sysdeps/sparc/nptl/sem_wait.c: Delete. * sysdeps/sparc/sparc32/sem_init.c: New file. * sysdeps/sparc/sparc32/sem_waitcommon.c: New file. * sysdeps/sparc/sparc32/sem_open.c: Generic nptl version with padding explicitly initialized. * sysdeps/sparc/sparc32/sem_post.c: Generic nptl version using padding for in-semaphore spinlock. * sysdeps/sparc/sparc32/sem_wait.c: Likewise. * sysdeps/sparc/sparc32/sem_trywait.c: Delete. * sysdeps/sparc/sparc32/sem_timedwait.c: Delete. * sysdeps/sparc/sparc32/sparcv9/sem_init.c: New file. * sysdeps/sparc/sparc32/sparcv9/sem_open.c: New file. * sysdeps/sparc/sparc32/sparcv9/sem_post.c: New file. * sysdeps/sparc/sparc32/sparcv9/sem_waitcommon.c: New file. * sysdeps/sparc/sparc32/sparcv9/sem_wait.c: Redirect to nptl version. * sysdeps/sparc/sparc32/sparcv9/sem_timedwait.c: Delete. * sysdeps/sparc/sparc32/sparcv9/sem_trywait.c: Delete.
* Fix libm feupdateenv namespace (bug 17748).Joseph Myers2015-01-071-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Concluding the fixes for C90 libm functions calling C99 fe* functions, this patch fixes the case of feupdateenv by making it a weak alias for __feupdateenv and making the affected code call __feupdateenv. Tested for x86_64 (testsuite, and that installed stripped shared libraries are unchanged by the patch). Also tested for ARM (soft-float) that the math.h linknamespace tests now pass. [BZ #17748] * include/fenv.h (__feupdateenv): Use libm_hidden_proto. * math/feupdateenv.c (__feupdateenv): Use libm_hidden_def. * sysdeps/aarch64/fpu/feupdateenv.c (feupdateenv): Rename to __feupdateenv and define as weak alias of __feupdateenv. Use libm_hidden_weak. * sysdeps/alpha/fpu/feupdateenv.c (__feupdateenv): Use libm_hidden_def. * sysdeps/arm/feupdateenv.c (feupdateenv): Rename to __feupdateenv and define as weak alias of __feupdateenv. Use libm_hidden_weak. * sysdeps/hppa/fpu/feupdateenv.c (feupdateenv): Likewise. * sysdeps/i386/fpu/feupdateenv.c (__feupdateenv): Use libm_hidden_def. * sysdeps/ia64/fpu/feupdateenv.c (feupdateenv): Rename to __feupdateenv and define as weak alias of __feupdateenv. Use libm_hidden_weak. * sysdeps/m68k/fpu/feupdateenv.c (__feupdateenv): Use libm_hidden_def. * sysdeps/mips/fpu/feupdateenv.c (feupdateenv): Rename to __feupdateenv and define as weak alias of __feupdateenv. Use libm_hidden_weak. * sysdeps/powerpc/fpu/feupdateenv.c (__feupdateenv): Use libm_hidden_def. * sysdeps/powerpc/nofpu/feupdateenv.c (__feupdateenv): Likewise. * sysdeps/powerpc/powerpc32/e500/nofpu/feupdateenv.c (__feupdateenv): Likewise. * sysdeps/s390/fpu/feupdateenv.c (feupdateenv): Rename to __feupdateenv and define as weak alias of __feupdateenv. Use libm_hidden_weak. * sysdeps/sh/sh4/fpu/feupdateenv.c (feupdateenv): Likewise. * sysdeps/sparc/fpu/feupdateenv.c (__feupdateenv): Use libm_hidden_def. * sysdeps/tile/math_private.h (__feupdateenv): New inline function. * sysdeps/x86_64/fpu/feupdateenv.c (__feupdateenv): Use libm_hidden_def. * sysdeps/generic/math_private.h (default_libc_feupdateenv): Call __feupdateenv instead of feupdateenv. (default_libc_feupdateenv_test): Likewise. (libc_feresetround_ctx): Likewise.
* Fix libm fesetround namespace (bug 17748).Joseph Myers2015-01-071-2/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Continuing the fixes for C90 libm functions calling C99 fe* functions, this patch fixes the case of fesetround by making it a weak alias of __fesetround and making the affected code call __fesetround. An existing __fesetround function in fenv_libc.h for powerpc is renamed to __fesetround_inline. Tested for x86_64 (testsuite, and that disassembly of installed shared libraries is unchanged by the patch). Also tested for ARM (soft-float) that fesetround failures disappear from the linknamespace test results (feupdateenv remains to be addressed to complete fixing bug 17748). [BZ #17748] * include/fenv.h (__fesetround): Declare. Use libm_hidden_proto. * math/fesetround.c (fesetround): Rename to __fesetround and define as weak alias of __fesetround. Use libm_hidden_weak. * sysdeps/aarch64/fpu/fesetround.c (fesetround): Likewise. * sysdeps/alpha/fpu/fesetround.c (fesetround): Likewise. * sysdeps/arm/fesetround.c (fesetround): Likewise. * sysdeps/hppa/fpu/fesetround.c (fesetround): Likewise. * sysdeps/i386/fpu/fesetround.c (fesetround): Likewise. * sysdeps/ia64/fpu/fesetround.c (fesetround): Likewise. * sysdeps/m68k/fpu/fesetround.c (fesetround): Likewise. * sysdeps/mips/fpu/fesetround.c (fesetround): Likewise. * sysdeps/powerpc/fpu/fenv_libc.h (__fesetround): Rename to __fesetround_inline. * sysdeps/powerpc/fpu/fenv_private.h (libc_fesetround_ppc): Call __fesetround_inline instead of __fesetround. * sysdeps/powerpc/fpu/fesetround.c (fesetround): Rename to __fesetround and define as weak alias of __fesetround. Use libm_hidden_weak. Call __fesetround_inline instead of __fesetround. * sysdeps/powerpc/nofpu/fesetround.c (fesetround): Rename to __fesetround and define as weak alias of __fesetround. Use libm_hidden_weak. * sysdeps/powerpc/powerpc32/e500/nofpu/fesetround.c (fesetround): Likewise. * sysdeps/s390/fpu/fesetround.c (fesetround): Likewise. * sysdeps/sh/sh4/fpu/fesetround.c (fesetround): Likewise. * sysdeps/sparc/fpu/fesetround.c (fesetround): Likewise. * sysdeps/tile/math_private.h (__fesetround): New inline function. * sysdeps/x86_64/fpu/fesetround.c (fesetround): Rename to __fesetround and define as weak alias of __fesetround. Use libm_hidden_weak. * sysdeps/generic/math_private.h (default_libc_fesetround): Call __fesetround instead of fesetround. (default_libc_feholdexcept_setround): Likewise. (libc_feholdsetround_ctx): Likewise. (libc_feholdsetround_noex_ctx): Likewise.
* Fix libm fesetenv namespace (bug 17748).Joseph Myers2015-01-062-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Continuing the fixes for C90 libm functions calling C99 fe* functions, this patch fixes the case of fesetenv by making it a weak alias of __fesetenv and making the affected code (including various copies of feupdateenv which also gets called from C90 functions) call __fesetenv. Tested for x86_64 (testsuite, and that disassembly of installed shared libraries is unchanged by the patch). Also tested for ARM (soft-float) that fesetenv failures disappear from the linknamespace test results (fsetround and feupdateenv remain to be addressed to complete fixing bug 17748). [BZ #17748] * include/fenv.h (__fesetenv): Use libm_hidden_proto. * math/fesetenv.c (__fesetenv): Use libm_hidden_def. * sysdeps/aarch64/fpu/fesetenv.c (fesetenv): Rename to __fesetenv and define as weak alias of __fesetenv. Use libm_hidden_weak. * sysdeps/alpha/fpu/fesetenv.c (__fesetenv): Use libm_hidden_def. * sysdeps/arm/fesetenv.c (fesetenv): Rename to __fesetenv and define as weak alias of __fesetenv. Use libm_hidden_weak. * sysdeps/hppa/fpu/fesetenv.c (fesetenv): Likewise. * sysdeps/i386/fpu/fesetenv.c (__fesetenv): Use libm_hidden_def. * sysdeps/ia64/fpu/fesetenv.c (fesetenv): Rename to __fesetenv and define as weak alias of __fesetenv. Use libm_hidden_weak. * sysdeps/m68k/fpu/fesetenv.c (__fesetenv): Use libm_hidden_def. * sysdeps/mips/fpu/fesetenv.c (fesetenv): Rename to __fesetenv and define as weak alias of __fesetenv. Use libm_hidden_weak. * sysdeps/powerpc/fpu/fesetenv.c (__fesetenv): Use libm_hidden_def. * sysdeps/powerpc/nofpu/fesetenv.c (__fesetenv): Likewise. * sysdeps/powerpc/powerpc32/e500/nofpu/fesetenv.c (__fesetenv): Likewise. * sysdeps/s390/fpu/fesetenv.c (fesetenv): Rename to __fesetenv and define as weak alias of __fesetenv. Use libm_hidden_weak. * sysdeps/sh/sh4/fpu/fesetenv.c (fesetenv): Likewise. * sysdeps/sparc/fpu/fesetenv.c (__fesetenv): Use libm_hidden_def. * sysdeps/tile/math_private.h (__fesetenv): New inline function. * sysdeps/x86_64/fpu/fesetenv.c (fesetenv): Rename to __fesetenv and define as weak alias of __fesetenv. Use libm_hidden_weak. * sysdeps/generic/math_private.h (default_libc_fesetenv): Use __fesetenv instead of fesetenv. (libc_feresetround_noex_ctx): Likewise. * sysdeps/alpha/fpu/feupdateenv.c (__feupdateenv): Likewise. * sysdeps/hppa/fpu/feupdateenv.c (feupdateenv): Likewise. * sysdeps/i386/fpu/feupdateenv.c (__feupdateenv): Likewise. * sysdeps/ia64/fpu/feupdateenv.c (feupdateenv): Likewise. * sysdeps/m68k/fpu/feupdateenv.c (__feupdateenv): Likewise. * sysdeps/mips/fpu/feupdateenv.c (feupdateenv): Likewise. * sysdeps/powerpc/nofpu/feupdateenv.c (__feupdateenv): Likewise. * sysdeps/powerpc/powerpc32/e500/nofpu/feupdateenv.c (__feupdateenv): Likewise. * sysdeps/s390/fpu/feupdateenv.c (feupdateenv): Likewise. * sysdeps/sh/sh4/fpu/feupdateenv.c (feupdateenv): Likewise. * sysdeps/sparc/fpu/feupdateenv.c (__feupdateenv): Likewise. * sysdeps/x86_64/fpu/feupdateenv.c (__feupdateenv): Likewise.
* Fix libm feholdexcept namespace (bug 17748).Joseph Myers2015-01-051-2/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Continuing the fixes for C90 libm functions calling C99 fe* functions, this patch fixes the case of feholdexcept by making it a weak alias of __feholdexcept and making the affected code call __feholdexcept. Tested for x86_64 (testsuite, and that disassembly of installed shared libraries is unchanged by the patch). Also tested for ARM (soft-float) that feholdexcept failures disappear from the linknamespace test failures (fesetenv, fsetround and feupdateenv remain to be addressed to complete fixing bug 17748). [BZ #17748] * include/fenv.h (__feholdexcept): Declare. Use libm_hidden_proto. * math/feholdexcpt.c (feholdexcept): Rename to __feholdexcept and define as weak alias of __feholdexcept. Use libm_hidden_weak. * sysdeps/aarch64/fpu/feholdexcpt.c (feholdexcept): Likewise. * sysdeps/alpha/fpu/feholdexcpt.c (feholdexcept): Likewise. * sysdeps/arm/feholdexcpt.c (feholdexcept): Likewise. * sysdeps/hppa/fpu/feholdexcpt.c (feholdexcept): Likewise. * sysdeps/i386/fpu/feholdexcpt.c (feholdexcept): Likewise. * sysdeps/ia64/fpu/feholdexcpt.c (feholdexcept): Likewise. * sysdeps/m68k/fpu/feholdexcpt.c (feholdexcept): Likewise. * sysdeps/mips/fpu/feholdexcpt.c (feholdexcept): Likewise. * sysdeps/powerpc/fpu/feholdexcpt.c (feholdexcept): Likewise. * sysdeps/powerpc/nofpu/feholdexcpt.c (feholdexcept): Likewise. * sysdeps/powerpc/powerpc32/e500/nofpu/feholdexcpt.c (feholdexcept): Likewise. * sysdeps/s390/fpu/feholdexcpt.c (feholdexcept): Likewise. * sysdeps/sh/sh4/fpu/feholdexcpt.c (feholdexcept): Likewise. * sysdeps/sparc/fpu/feholdexcpt.c (feholdexcept): Likewise. * sysdeps/x86_64/fpu/feholdexcpt.c (feholdexcept): Likewise. * sysdeps/generic/math_private.h (default_libc_feholdexcept): Use __feholdexcept instead of feholdexcept. (default_libc_feholdexcept_setround): Likewise.
* Fix libm fegetround namespace (bug 17748).Joseph Myers2015-01-021-2/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Continuing the fixes for C90 libm functions calling C99 fe* functions, this patch fixes the case of fegetround by making it a weak alias of __fegetround and making the affected code call __fegetround. Tested for x86_64 (testsuite, and that disassembly of installed shared libraries is unchanged by the patch). Also tested for ARM (soft-float) that fegetround failures disappear from the linknamespace test failures (feholdexcept, fesetenv, fesetround and feupdateenv remain to be addressed before bug 17748 is fully fixed, although this patch may suffice to fix the failures in some cases, when the libc_fe* functions are implemented but there is no architecture-specific sqrt implementation in use so there were failures from fegetround used by sqrt but no other such failures). [BZ #17748] * include/fenv.h (__fegetround): Declare. Use libm_hidden_proto. * math/fegetround.c (fegetround): Rename to __fegetround and define as weak alias of __fegetround. Use libm_hidden_weak. * sysdeps/aarch64/fpu/fegetround.c (fegetround): Likewise. * sysdeps/alpha/fpu/fegetround.c (fegetround): Likewise. * sysdeps/arm/fegetround.c (fegetround): Likewise. * sysdeps/hppa/fpu/fegetround.c (fegetround): Likewise. * sysdeps/i386/fpu/fegetround.c (fegetround): Likewise. * sysdeps/ia64/fpu/fegetround.c (fegetround): Likewise. * sysdeps/m68k/fpu/fegetround.c (fegetround): Likewise. * sysdeps/mips/fpu/fegetround.c (fegetround): Likewise. * sysdeps/powerpc/fpu/fegetround.c (fegetround): Likewise. Undefine after rather than before function definition; use parentheses around function name in definition. (__fegetround): Also undefine macro after function definition. * sysdeps/powerpc/nofpu/fegetround.c (fegetround): Rename to __fegetround and define as weak alias of __fegetround. Use libm_hidden_weak. Do not undefine as macro. * sysdeps/powerpc/powerpc32/e500/nofpu/fegetround.c (fegetround): Likewise. * sysdeps/s390/fpu/fegetround.c (fegetround): Rename to __fegetround and define as weak alias of __fegetround. Use libm_hidden_weak. * sysdeps/sh/sh4/fpu/fegetround.c (fegetround): Likewise. * sysdeps/sparc/fpu/fegetround.c (fegetround): Likewise. * sysdeps/tile/math_private.h (__fegetround): New inline function. * sysdeps/x86_64/fpu/fegetround.c (fegetround): Rename to __fegetround and define as weak alias of __fegetround. Use libm_hidden_weak. * sysdeps/ieee754/dbl-64/e_sqrt.c (__ieee754_sqrt): Use __fegetround instead of fegetround.
* Update copyright dates with scripts/update-copyrights.Joseph Myers2015-01-02345-345/+345
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* Fix libm fegetenv namespace (bug 17748).Joseph Myers2014-12-311-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some C90 libm functions call fegetenv via libc_feholdsetround* functions in math_private.h. This patch makes them call __fegetenv instead, making fegetenv into a weak alias for __fegetenv as needed. Tested for x86_64 (testsuite, and that disassembly of installed shared libraries is unchanged by the patch). Also tested for ARM (soft-float) that fegetenv failures disappear from the linknamespace test failures (however, similar fixes will also be needed for fegetround, feholdexcept, fesetenv, fesetround and feupdateenv before this set of namespace issues covered by bug 17748 is fully fixed and those linknamespace tests start passing). [BZ #17748] * include/fenv.h (__fegetenv): Use libm_hidden_proto. * math/fegetenv.c (__fegetenv): Use libm_hidden_def. * sysdeps/aarch64/fpu/fegetenv.c (fegetenv): Rename to __fegetenv and define as weak alias of __fegetenv. Use libm_hidden_weak. * sysdeps/alpha/fpu/fegetenv.c (__fegetenv): Use libm_hidden_def. * sysdeps/arm/fegetenv.c (fegetenv): Rename to __fegetenv and define as weak alias of __fegetenv. Use libm_hidden_weak. * sysdeps/hppa/fpu/fegetenv.c (fegetenv): Likewise. * sysdeps/i386/fpu/fegetenv.c (__fegetenv): Use libm_hidden_def. * sysdeps/ia64/fpu/fegetenv.c (fegetenv): Rename to __fegetenv and define as weak alias of __fegetenv. Use libm_hidden_weak. * sysdeps/m68k/fpu/fegetenv.c (__fegetenv): Use libm_hidden_def. * sysdeps/mips/fpu/fegetenv.c (fegetenv): Rename to __fegetenv and define as weak alias of __fegetenv. Use libm_hidden_weak. * sysdeps/powerpc/fpu/fegetenv.c (__fegetenv): Use libm_hidden_def. * sysdeps/powerpc/nofpu/fegetenv.c (__fegetenv): Likewise. * sysdeps/powerpc/powerpc32/e500/nofpu/fegetenv.c (__fegetenv): Likewise. * sysdeps/s390/fpu/fegetenv.c (fegetenv): Rename to __fegetenv and define as weak alias of __fegetenv. Use libm_hidden_weak. * sysdeps/sh/sh4/fpu/fegetenv.c (fegetenv): Likewise. * sysdeps/sparc/fpu/fegetenv.c (__fegetenv): Use libm_hidden_def. * sysdeps/tile/math_private.h (__fegetenv): New inline function. * sysdeps/x86_64/fpu/fegetenv.c (fegetenv): Rename to __fegetenv and define as weak alias of __fegetenv. Use libm_hidden_weak. * sysdeps/generic/math_private.h (libc_feholdsetround_ctx): Use __fegetenv instead of fegetenv. (libc_feholdsetround_noex_ctx): Likewise.
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