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* [AARCH64] correct alignment of TLS_TCB_ALIGN (BZ #16796)Kyle McMartin2014-05-261-2/+2
| | | | | | | | | | | | | | | This fixes a variety of testsuite failures for me: tststatic.out Error 1 tststatic2.out Error 1 tst-tls9-static.out Error 1 tst-audit8.out Error 127 tst-audit9.out Error 127 tst-audit1.out Error 127 and also has the added benefit of making LD_AUDIT/sotruss work on AArch64. Otherwise, we bail out early in _dl_try_allocate_static_tls as the alignment requirement of the PT_TLS section in libc is 16.
* arm,aarch64: Remove SINGLE_THREAD_P_PICRichard Henderson2014-05-252-2/+0
| | | | | | | | | | This macro was removed by 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com> but not applied to the (still separate) eabi port so necro'd when the eabi port superceded the old abi. It was thence copied into the new AArch64 port.
* aarch64: Tidy syscall error checkRichard Henderson2014-05-252-10/+13
| | | | | Move the error branch from the PSEUDO_RET macro to the PSEUDO macro. This is in line with other architectures, and will enable further improvments.
* aarch64: Remove DOARGS/UNDOARGS macrosRichard Henderson2014-05-252-24/+1
| | | | While they do something for AArch32, they're useless for AArch64.
* aarch64: Fix DO_CALL block commentRichard Henderson2014-05-251-1/+1
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* alpha: Do non-default symbols in pt-vfork.SRichard Henderson2014-05-252-6/+14
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* alpha: Move remaining files out of sysdeps/unix/sysv/linux/alpha/nptl/Richard Henderson2014-05-2332-15/+16
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* alpha: Consolidate NPTL/non versions of vforkRichard Henderson2014-05-234-59/+62
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* alpha: Merge standard and nptl clone.SRichard Henderson2014-05-232-15/+3
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* alpha: Remove nptl/fork.cRichard Henderson2014-05-231-29/+0
| | | | | The merge at ab21431318d99c94e644606dee1e6a4545d98007 failed to properly remove the file.
* Fix log10 (1) in round-downward mode (bug 16977).Joseph Myers2014-05-238-4/+82
| | | | | | | | | | | | | | | | | | | | | | | | | | | As with various other issues of this kind, bug 16977 is log10 (1) wrongly returning -0 rather than +0 in round-downward mode because of an implementation effectively in terms of log1p (x - 1). This patch fixes the issue in the same way used for log. Tested x86_64 and x86 and ulps updated accordingly. Also tested for mips64 to confirm a fix was needed for ldbl-128 and to validate that fix (also applied to ldbl-128ibm since that version of logl is essentially the same as the ldbl-128 one). [BZ #16977] * sysdeps/i386/fpu/e_log10.S (__ieee754_log10): Take absolute value when x - 1 is zero. * sysdeps/i386/fpu/e_log10f.S (__ieee754_log10f): Likewise. * sysdeps/i386/fpu/e_log10l.S (__ieee754_log10l): Likewise. * sysdeps/ieee754/ldbl-128/e_log10l.c (__ieee754_log10l): Return 0.0L for an argument of 1.0L. * sysdeps/ieee754/ldbl-128ibm/e_log10l.c (__ieee754_log10l): Likewise. * sysdeps/x86_64/fpu/e_log10l.S (__ieee754_log10l): Take absolute value when x - 1 is zero. * math/libm-test.inc (log10_test): Use ALL_RM_TEST. * sysdeps/i386/fpu/libm-test-ulps: Update. * sysdeps/x86_64/fpu/libm-test-ulps: Likewise.
* PowerPC: Remove unneeded copysign[f] macrosAdhemerval Zanella2014-05-221-27/+0
| | | | | This patch remove the unneeded copysign[f] macro from powerpc math_private.h, since they are already covered in generic version.
* PowerPC: Fix memchr ifunc hidden symbol for PPC32Adhemerval Zanella2014-05-222-10/+14
| | | | | | | | | This patch fixes a similar issue to 736c304a1ab4cee36a2f3343f1698bc0abae4608, where for PPC32 if the symbol is defined as hidden (memchr) then compiler will create a local branc (symbol@local) and the linker will not create a required PLT call to make the ifunc work. It changes the default hidden symbol (__GI_memchr) to default memchr symbol for powerpc32 (__memchr_ppc32).
* AArch64: Convert fork.c to arch-fork.hRoland McGrath2014-05-211-4/+2
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* Consistently use $(elf-objpfx).Joseph Myers2014-05-212-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As previously noted <https://sourceware.org/ml/libc-alpha/2013-05/msg00696.html>, $(elf-objpfx) and $(elfobjdir) are redundant and should be consolidated. This patch consolidates on $(elf-objpfx) (for consistency with $(csu-objpfx)), also changing direct uses of $(common-objpfx)elf/ to use $(elf-objpfx). Tested x86_64, including that installed shared libraries are unchanged by the patch. * Makeconfig [$(build-hardcoded-path-in-tests) = yes] (rtld-tests-LDFLAGS): Use $(elf-objpfx) instead of $(common-objpfx)elf/. (link-libc-before-gnulib): Likewise. (elfobjdir): Remove variable. * Makefile (install): Use $(elf-objpfx) instead of $(common-objpfx)elf/. * Makerules (link-libc-args): Use $(elf-objpfx) instead of $(elfobjdir)/. (link-libc-deps): Likewise. ($(common-objpfx)libc.so): Likewise. ($(common-objpfx)linkobj/libc.so): Likewise. [$(cross-compiling) = no] (symbolic-link-prog): Use $(elf-objpfx) instead of $(common-objpfx)elf/. (symbolic-link-list): Likewise. * iconvdata/Makefile ($(inst_gconvdir)/gconv-modules) [$(cross-compiling) = no]: Likewise. * sysdeps/arm/Makefile (gnulib-arch): Use $(elf-objpfx) instead of $(elfobjdir)/. (static-gnulib-arch): Likewise. * sysdeps/s390/s390-64/Makefile ($(inst_gconvdir)/gconv-modules) [$(cross-compiling) = no]: Use $(elf-objpfx) instead of $(common-objpfx)elf/. localedata/ChangeLog: * Makefile (LOCALEDEF): Use $(elf-objpfx) instead of $(common-objpfx)elf/.
* aarch64: Merge __local_multiple_threads offset with memory referenceRichard Henderson2014-05-211-5/+4
| | | | | | This also highlights that we'd been loading 64-bits instead of the proper 32-bits. Caught by the linker as a relocation error, since the variable happened to be unaligned for 64-bits.
* aarch64: Merge rtld_errno offset with memory referenceRichard Henderson2014-05-211-2/+1
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* Fix ARM build with GCC trunk.Joseph Myers2014-05-202-2/+4
| | | | | | | | | | | | | | | | sysdeps/unix/sysv/linux/arm/unwind-resume.c and sysdeps/unix/sysv/linux/arm/unwind-forcedunwind.c have static variables that are written in C code but only read from toplevel asms. Current GCC trunk now optimizes away such apparently write-only static variables, so causing a build failure. This patch marks those variables with __attribute_used__ to avoid that optimization. Tested that this fixes the build for ARM. * sysdeps/unix/sysv/linux/arm/unwind-forcedunwind.c (libgcc_s_resume): Use __attribute_used__. * sysdeps/unix/sysv/linux/arm/unwind-resume.c (libgcc_s_resume): Likewise.
* Update powerpc-fpu ULPs.Adhemerval Zanella2014-05-201-0/+63
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* PowerPC: Fix copysignf optimization macroAdhemerval Zanella2014-05-201-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch fixes the __copysignf optimized macro meant to internal libm usage when used with constant value. Without the explicit cast to float, if it is used with const double value (for instance, on s_casinhf.c) double constants will be used and it may lead to precision issues in some algorithms. It fixes the following failures on PPC64/POWER7: Failure: Test: Real part of: cacos_downward (inf + 0 i) Result: is: 1.19209289550781250000e-07 0x1.00000000000000000000p-23 should be: 0.00000000000000000000e+00 0x0.00000000000000000000p+0 Failure: Test: Real part of: cacos_downward (inf - 0 i) Result: is: 1.19209289550781250000e-07 0x1.00000000000000000000p-23 should be: 0.00000000000000000000e+00 0x0.00000000000000000000p+0 Failure: Test: Real part of: cacos_downward (inf + 0.5 i) Result: is: 1.19209289550781250000e-07 0x1.00000000000000000000p-23 should be: 0.00000000000000000000e+00 0x0.00000000000000000000p+0 Failure: Test: Real part of: cacos_downward (inf - 0.5 i) Result: is: 1.19209289550781250000e-07 0x1.00000000000000000000p-23 should be: 0.00000000000000000000e+00 0x0.00000000000000000000p+0 Failure: Test: Real part of: cacos_towardzero (inf + 0 i) Result: is: 1.19209289550781250000e-07 0x1.00000000000000000000p-23 should be: 0.00000000000000000000e+00 0x0.00000000000000000000p+0 Failure: Test: Real part of: cacos_towardzero (inf - 0 i) Result: is: 1.19209289550781250000e-07 0x1.00000000000000000000p-23 should be: 0.00000000000000000000e+00 0x0.00000000000000000000p+0 Failure: Test: Real part of: cacos_towardzero (inf + 0.5 i) Result: is: 1.19209289550781250000e-07 0x1.00000000000000000000p-23 should be: 0.00000000000000000000e+00 0x0.00000000000000000000p+0 Failure: Test: Real part of: cacos_towardzero (inf - 0.5 i) Result: is: 1.19209289550781250000e-07 0x1.00000000000000000000p-23 should be: 0.00000000000000000000e+00 0x0.00000000000000000000p+0
* alpha: fix sa_flags type (BZ 16967)Richard Henderson2014-05-201-1/+1
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* alpha: Remove bits/siginfo.h (BZ 16966)Richard Henderson2014-05-201-333/+0
| | | | | | Using the default header instead. This matches the kernel, which also uses the generic header. Fixes the sys/wait.h conform issue, where si_band had the wrong type.
* alpha: Define ELF_MACHINE_NO_RELARichard Henderson2014-05-201-0/+1
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* AArch64: Fix handling of nocancel syscall failuresWill Newton2014-05-201-0/+1
| | | | | | | | | | | | | | The current code for nocancel syscalls does not do a comparison of the system call return value. This leads to code being generated where the b.cs follows the svc instruction directly without setting the flags on which the branch depends. ChangeLog: 2014-05-20 Will Newton <will.newton@linaro.org> * sysdeps/unix/sysv/linux/aarch64/nptl/sysdep-cancel.h (PSEUDO): Test the return value of the system call in the nocancel case.
* AArch64: Remove asm/ptrace.h inclusion in sys/user.h and sys/procfs.hYvan Roux2014-05-202-21/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch fixes an issue observed by the Xen project, where including signal.h exposes various PSR_MODE #defines. This is due to the usage in sys/user.h and sys/procfs.h of the struct user_pt_regs and user_fpsimd_state included via asm/ptrace.h. The namespace pollution this inclusion introduce is already partially fixed with some #undef of the PTRACE_* symbols, but other symbols like the PSR_MODE ones are still present, and undefining them is not safe since a user can include ptrace.h before user.h. My proposition is to define the 2 structures we need in user.h and get rid of the asm/ptrace.h inclusion. Build and make check are clean on AArch64. 2014-05-20 Will Newton <will.newton@linaro.org> Yvan Roux <yvan.roux@linaro.org> * sysdeps/unix/sysv/linux/aarch64/sys/user.h: Remove unused #include of asm/ptrace.h. (PTRACE_GET_THREAD_AREA): Remove #undef. (PTRACE_GETHBPREGS): Likewise. (PTRACE_SETHBPREGS): Likewise. (struct user_regs_struct): New structure. (struct user_fpsimd_struct): New structure. * sysdeps/unix/sysv/linux/aarch64/sys/procfs.h: Remove unused #include of asm/ptrace.h and second #include of sys/user.h. (PTRACE_GET_THREAD_AREA): Remove #undef. (PTRACE_GETHBPREGS): Likewise. (PTRACE_SETHBPREGS): Likewise. (ELF_NGREG): Use new struct user_regs_struct. (elf_fpregset_t): Use new struct user_fpsimd_struct.
* PowerPC: Fix multiarch hypotf PPC64 pathAdhemerval Zanella2014-05-191-0/+0
| | | | This patch moves the hypotf multiarch implementation to correct path.
* Revert "ARM: Improve fenv implementation"Marcus Shawcroft2014-05-1912-75/+99
| | | | This reverts commit c0c08d02c82275353f5c556f935a1a01714d9d7f.
* Fix sparc memcpy data corruption when using niagara2 optimized routines.Jose E. Marchesi2014-05-171-0/+1
| | | | | * sysdeps/sparc/sparc64/multiarch/memcpy-niagara2.S: Add missing membar to avoid block loads/stores to overlap previous stores.
* alpha: Create __syscall_nocancel entry pointsRichard Henderson2014-05-172-21/+16
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* Merge remote-tracking branch 'origin/roland/nptl-alpha'Richard Henderson2014-05-171-10/+8
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| * Alpha: Convert fork.c to arch-fork.hRoland McGrath2014-05-161-10/+8
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* | Fix some termios.h conformtest failures on sparc.David S. Miller2014-05-171-14/+5
| | | | | | | | | | | | | | | | | | * sysdeps/unix/sysv/linux/sparc/bits/termios.h (PAGEOUT, WRAP): Protect with __USE_GNU. (TIOCSET_TEMPT): Likewise. (TIOCM_LE, TIOCM_DTR, TIOCM_RTS, TIOCM_ST, TIOCM_SR, TIOCM_CTS, TIOCM_CAR, TIOCM_RNG, TIOCM_DSR, TIOCM_CD, TIOCM_RI): Remove as these are already provided in bits/ioctl-types.h
* | Fix __waitpid_nocancel link error. linaro/masterRoland McGrath2014-05-161-6/+1
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* | ARM: soft-fp NaN representation correctionMaciej W. Rozycki2014-05-161-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit 7d92b78723848ae616709eb8f0191ea067025b18 [Fix ARM NAN fraction bits.] removed all the bits set from NANFRAC macros and, when propagated to libgcc, regressed gcc.dg/torture/builtin-math-7.c on soft-fp arm-eabi targets, currently ARMv6-M (`-march=armv6-m -mthumb') only. This is because when used to construct a NaN in the semi-raw mode, they now build an infinity instead. Consequently operations such as (Inf - Inf) now produce Inf rather than NaN. The change worked for the original test case, posted with PR libgcc/60166, because division is made in the canonical mode, where the quiet bit is set separately, from the fp class. This change brings the quiet bit back to these macros, making semi-raw mode calculations produce the expected results again.
* | PowerPC: clean BSD Terminal Modes expectation in termios.hAdhemerval Zanella2014-05-161-2/+9
| | | | | | | | | | | | | | | | | | This patch guard the BSD definition for terminal modes in PowerPC specific header fixing the following conformance failures: FAIL: conform/POSIX/termios.h/conform FAIL: conform/POSIX2008/termios.h/conform FAIL: conform/UNIX98/termios.h/conform
* | ARM: Convert fork.c to arch-fork.hRoland McGrath2014-05-161-10/+7
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* Add stub arch-fork.h header.Roland McGrath2014-05-161-0/+27
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* Split arch-fork.h from fork.hRoland McGrath2014-05-166-6/+6
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* SPARC: add prlimit and prlimit64 in <bits/resource.h> (BZ #16943)Aurelien Jarno2014-05-161-0/+27
| | | | | | | | prlimit and prlimit64 have been added in the main <bits/resource.h>, but not in the SPARC specific version. Fix that. Note: this is Debian bug#703559, reported by Emilio Pozuelo Monfort <pochu@debian.org>
* ptsname_r: don't leak uninitialized memory (BZ #16917)Aurelien Jarno2014-05-161-1/+3
| | | | | | | | | | | | | | | If the fd refers to a terminal device, but not a pty master, the TIOCGPTN ioctl returns with ENOTTY. This error is not caught, and the possibly undefined buffer passed to ptsname_r is sent directly to the stat64 syscall. Fix this by using a fallback to the old method only if the TIOCGPTN ioctl fails with EINVAL. This also fix the return value in that specific case (it return ENOENT without this patch). Also add tests to the ptsname_r function (and ptsname at the same time). Note: this is Debian bug#741482, reported by Jakub Wilk <jwilk@debian.org>
* ARM: Improve fenv implementationWilco2014-05-1512-99/+75
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* ARM: Improve fenv implementationWilco2014-05-1516-233/+171
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* Return EAI_AGAIN for AF_UNSPEC when herrno is TRY_AGAIN (BZ #16849)Siddhesh Poyarekar2014-05-151-2/+1
| | | | | | | | | | getaddrinfo correctly returns EAI_AGAIN for AF_INET and AF_INET6 queries. For AF_UNSPEC however, an older change (a682a1bf553b1efe4dbb03207fece5b719cec482) broke the check and due to that the returned error was EAI_NONAME. This patch fixes the check so that a non-authoritative not-found is returned as EAI_AGAIN to the user instead of EAI_NONAME.
* x86: Move abilist files out of nptl/ subdirectories.Roland McGrath2014-05-1443-0/+0
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* Move remaining files out of nptl/sysdeps/unix/sysv/linux/x86/.Roland McGrath2014-05-1415-0/+551
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* Fix mips fork after i386 reorganization.Roland McGrath2014-05-142-1/+1
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* Move remaining nptl/sysdeps/unix/sysv/linux/i386/ files.Roland McGrath2014-05-1459-0/+6452
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* Fix powerpc fork after i386 reorganization.Roland McGrath2014-05-141-0/+1
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* Update alpha and ia64 timer_*.c files for x86_64 file moves.Roland McGrath2014-05-1410-10/+10
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* Move remaining nptl/sysdeps/unix/sysv/linux/x86_64/ files.Roland McGrath2014-05-1424-0/+5322
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