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* Use direct socket syscalls for new kernels on i386, m68k, microblaze, sh.Joseph Myers2015-12-094-0/+86
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Now that we have __ASSUME_* macros for direct socket syscalls to use them instead of socketcall when they can be assumed to be available on socketcall architectures, this patch defines those macros when appropriate for i386, m68k, microblaze and sh (for 4.3, 4.3, all supported kernels and 2.6.37, respectively; the only use of socketcall support on microblaze is it allows accept4 and sendmmsg to be supported on a wider range of kernel versions). David, it seems that 32-bit SPARC is the only architecture supported by glibc that still lacks these direct syscalls. It would be good to get them added to the SPARC kernel so we can eventually eliminate socketcall support in glibc (and thereby just use entries in sysdeps/unix/syscalls.list for most of these functions) when we can assume new-enough kernels. Tested for i386 (testsuite, and that installed shared libraries are unchanged by this patch - not using a new enough kernel, so this doesn't actually test much, but the i386 and m68k code is essentially the same as that already in use for s390). * sysdeps/unix/sysv/linux/i386/kernel-features.h [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_SOCKET_SYSCALL): New macro. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_SOCKETPAIR_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_BIND_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_CONNECT_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_LISTEN_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_ACCEPT4_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_ACCEPT4_FOR_ACCEPT_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_GETSOCKOPT_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_SETSOCKOPT_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_GETSOCKNAME_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_GETPEERNAME_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_SENDTO_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_SENDTO_FOR_SEND_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_SENDMSG_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_RECVFROM_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_RECVFROM_FOR_RECV_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_RECVMSG_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_SHUTDOWN_SYSCALL): Likewise. * sysdeps/unix/sysv/linux/m68k/kernel-features.h [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_RECVMMSG_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_SENDMMSG_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_SOCKET_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_SOCKETPAIR_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_BIND_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_CONNECT_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_LISTEN_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_ACCEPT4_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_ACCEPT4_FOR_ACCEPT_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_GETSOCKOPT_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_SETSOCKOPT_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_GETSOCKNAME_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_GETPEERNAME_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_SENDTO_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_SENDTO_FOR_SEND_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_SENDMSG_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_RECVFROM_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_RECVFROM_FOR_RECV_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_RECVMSG_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x040300] (__ASSUME_SHUTDOWN_SYSCALL): Likewise. * sysdeps/unix/sysv/linux/microblaze/kernel-features.h (__ASSUME_SOCKET_SYSCALL): Likewise. (__ASSUME_BIND_SYSCALL): Likewise. (__ASSUME_CONNECT_SYSCALL): Likewise. (__ASSUME_LISTEN_SYSCALL): Likewise. (__ASSUME_ACCEPT_SYSCALL): Likewise. (__ASSUME_GETSOCKNAME_SYSCALL): Likewise. (__ASSUME_GETPEERNAME_SYSCALL): Likewise. (__ASSUME_SOCKETPAIR_SYSCALL): Likewise. (__ASSUME_SEND_SYSCALL): Likewise. (__ASSUME_SENDTO_SYSCALL): Likewise. (__ASSUME_RECV_SYSCALL): Likewise. (__ASSUME_RECVFROM_SYSCALL): Likewise. (__ASSUME_SHUTDOWN_SYSCALL): Likewise. (__ASSUME_GETSOCKOPT_SYSCALL): Likewise. (__ASSUME_SETSOCKOPT_SYSCALL): Likewise. (__ASSUME_SENDMSG_SYSCALL): Likewise. (__ASSUME_RECVMSG_SYSCALL): Likewise. * sysdeps/unix/sysv/linux/sh/kernel-features.h [__LINUX_KERNEL_VERSION >= 0x020625] (__ASSUME_SOCKET_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x020625] (__ASSUME_BIND_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x020625] (__ASSUME_CONNECT_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x020625] (__ASSUME_LISTEN_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x020625] (__ASSUME_ACCEPT_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x020625] (__ASSUME_GETSOCKNAME_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x020625] (__ASSUME_GETPEERNAME_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x020625] (__ASSUME_SOCKETPAIR_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x020625] (__ASSUME_SEND_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x020625] (__ASSUME_SENDTO_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x020625] (__ASSUME_RECV_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x020625] (__ASSUME_RECVFROM_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x020625] (__ASSUME_SHUTDOWN_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x020625] (__ASSUME_GETSOCKOPT_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x020625] (__ASSUME_SETSOCKOPT_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x020625] (__ASSUME_SENDMSG_SYSCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x020625] (__ASSUME_RECVMSG_SYSCALL): Likewise.
* mips: fix testsuite build for O32 FPXX ABI on pre-R2 CPUAurelien Jarno2015-12-093-0/+40
| | | | | | | | | | | | | | | | | | | | | | | On MIPS when the toolchain is using the O32 FPXX ABI, the testsuite fails to build for pre-R2 CPU. It assumes that it is possible to use the -mfp64 option to build tst-abi-fp64amod and tst-abi-fp64mod, while this requires a CPU which supports the mfhc1 and mthc1 instructions, ie at least a R2 CPU: error: '-mgp32' and '-mfp64' can only be combined if the target supports the mfhc1 and mthc1 instructions The same way it assumes that it is possible to use the -modd-spreg option to build tst-abi-fpxxomod and tst-abi-fp64mod, while this requires at least a R1 CPU: warning: the 'mips2' architecture does not support odd single-precision registers This patches changes that by checking the usability of -mfp64 and -modd-spreg options in configure, and disable those tests when they can not be used.
* Fix grantpt basename namespace bugAurelien Jarno2015-12-091-1/+1
| | | | | | | Commit cf06a4e3 removed test-xfail-POSIX2008/unistd.h/linknamespace, but left one basename namespace issue in grantpt. However this issue is not visible with the default configuration buy only when configure is passed the --enable-pt_chown option.
* Utilize x86_64 vector math functions w/o -fopenmp.Andrew Senkevich2015-12-071-0/+6
| | | | | | | | | This patch allows to use x86_64 vector math functions with GCC 6.* without OpenMP SIMD constructs. For additional details please visit <https://sourceware.org/glibc/wiki/libmvec#Example_2>. * sysdeps/x86/fpu/bits/math-vector.h: W/o -fopenmp declare vector math functions with GCC 6.* __attribute__ ((__simd__)).
* math: add LDBL_CLASSIFY_COMPAT supportChris Metcalf2015-12-0318-18/+70
| | | | | | | | | | | | | | | | | If a platform does not define "long-double-fcts = yes" in its Makefiles and it does define __NO_LONG_DOUBLE_MATH in its installed headers, it will currently create exported symbols for __finitel, __isinfl, and __isnanl that can't be reached from userspace by correct use of the finite(), isinf(), or isnan() macros in <math.h>. To avoid this situation, by default for such platforms we now no longer export these symbols, thus causing appropriate link-time errors. However, for platforms that previously exported these symbols, we continue to do so as compat symbols; this is enabled by adding LDBL_CLASSIFY_COMPAT to math_private.h for the platform. For tile, remove the now-unnecessary exports of those functions from libc and libm.
* powerpc: Add hwcap/hwcap2/platform data to TCB.Carlos Eduardo Seo2015-12-0314-7/+435
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds a new feature for powerpc. In order to get faster access to the HWCAP/HWCAP2 bits and platform number (i.e. for implementing __builtin_cpu_is () / __builtin_cpu_supports () in GCC) without the overhead of reading from the auxiliary vector, we now reserve space for them in the TCB. This is an ABI change for GLIBC 2.23. A new versioned symbol '__parse_hwcap_and_convert_at_platform' is available to get the data from the auxiliary vector and parse it, and store it for later use in the TLS initialization code. This function is called very early (in _dl_sysdep_start () via DL_PLATFORM_INFO for the dynamic linking case, and in __libc_start_main () for the static linking case) to make sure the data is available at the time of TLS initialization. * sysdeps/powerpc/Makefile (sysdep-dl-routines): Add hwcapinfo. (sysdep_routines): Likewise. (sysdep-rtld-routines): Likewise. [$(subdir) = nptl](tests): Add test-get_hwcap and test-get_hwcap-static [$(subdir) = nptl](tests-static): test-get_hwcap-static * sysdeps/powerpc/Versions: Added new __parse_hwcap_and_convert_at_platform symbol to GLIBC-2.23. * sysdeps/powerpc/hwcapinfo.c: New file. (__tcb_parse_hwcap_and_convert_at_platform): New function to initialize and parse hwcap, hwcap2 and platform number information. * sysdeps/powerpc/hwcapinfo.h: New file. Creates global variables to store HWCAP+HWCAP2 and platform number. * sysdeps/powerpc/nptl/tcb-offsets.sym: Added new offsets for HWCAP+HWCAP2 and platform number in the TCB. * sysdeps/powerpc/nptl/tls.h: New functionality. Stores the HWCAP, HWCAP2 and platform number in the TCB. (dtv): Added new fields for HWCAP+HWCAP2 and platform number. (TLS_INIT_TP): Included calls to add the hwcap and at_platform values in the TCB in TP initialization. (TLS_DEFINE_INIT_TP): Likewise. (THREAD_GET_HWCAP): New macro. (THREAD_SET_HWCAP): Likewise. (THREAD_GET_AT_PLATFORM): Likewise. (THREAD_SET_AT_PLATFORM): Likewise. * sysdeps/powerpc/powerpc32/dl-machine.h: (dl_platform_init): New function that calls __parse_hwcap_and_convert_at_platform for the dymanic linking case for powerpc32. * sysdeps/powerpc/powerpc64/dl-machine.h: Likewise, for powerpc64. * sysdeps/powerpc/test-get_hwcap-static.c: New file. Testcase for this functionality, static linking case. * sysdeps/powerpc/test-get_hwcap.c: New file. Likewise, dynamic linking case. * sysdeps/unix/sysv/linux/powerpc/libc-start.c: Added call to __parse_hwcap_and_convert_at_platform for the static linking case. * sysdeps/unix/sysv/linux/powerpc/powerpc32/ld.abilist: Included the new __parse_hwcap_and_convert_at_platform symbol in the ABI list for GLIBC 2.23. * sysdeps/unix/sysv/linux/powerpc/powerpc64/ld-le.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/ld.abilist: Likewise.
* Add __CPU_MASK_TYPE for __cpu_maskH.J. Lu2015-12-018-1/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since x86-64 and x32 use the same set of sched_XXX system call interface: [hjl@gnu-6 linux-stable]$ grep sched_ arch/x86/entry/syscalls/syscall_64.tbl 24 common sched_yield sys_sched_yield 142 common sched_setparam sys_sched_setparam 143 common sched_getparam sys_sched_getparam 144 common sched_setscheduler sys_sched_setscheduler 145 common sched_getscheduler sys_sched_getscheduler 146 common sched_get_priority_max sys_sched_get_priority_max 147 common sched_get_priority_min sys_sched_get_priority_min 148 common sched_rr_get_interval sys_sched_rr_get_interval 203 common sched_setaffinity sys_sched_setaffinity 204 common sched_getaffinity sys_sched_getaffinity 314 common sched_setattr sys_sched_setattr 315 common sched_getattr sys_sched_getattr [hjl@gnu-6 linux-stable]$ __cpu_mask should be unsigned long long, instead of unsigned long, for x32. This patch adds __CPU_MASK_TYPE so that each architecture can define the proper type for __cpu_mask. [BZ #19313] * bits/typesizes.h (__CPU_MASK_TYPE): New. * sysdeps/mach/hurd/bits/typesizes.h (__CPU_MASK_TYPE): Likewise. * sysdeps/nacl/bits/typesizes.h (__CPU_MASK_TYPE): Likewise. * sysdeps/unix/sysv/linux/alpha/bits/typesizes.h (__CPU_MASK_TYPE): Likewise. * sysdeps/unix/sysv/linux/generic/bits/typesizes.h (__CPU_MASK_TYPE): Likewise. * sysdeps/unix/sysv/linux/s390/bits/typesizes.h (__CPU_MASK_TYPE): Likewise. * sysdeps/unix/sysv/linux/sparc/bits/typesizes.h (__CPU_MASK_TYPE): Likewise. * sysdeps/unix/sysv/linux/x86/bits/typesizes.h (__CPU_MASK_TYPE): * sysdeps/unix/sysv/linux/bits/sched.h (__cpu_mask): Replace unsigned long int with __CPU_MASK_TYPE.
* [AArch64] Regenerate libm-test-ulpsSzabolcs Nagy2015-12-011-50/+54
| | | | * sysdeps/aarch64/libm-test-ulps: Regenerated.
* Use hex float constants in sysdeps/ieee754/dbl-64/e_sqrt.c.Joseph Myers2015-12-012-46/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Various sysdeps/ieee754/dbl-64 functions use double constants defined using a union between a double and two ints, with separate big-endian and little-endian definitions of the constants. With modern C, this is unnecessary complication; hex float constants (or __builtin_inf etc.) suffice to specify the exact value desired, and so can avoid separate versions for each endianness. Having this complication also complicates cleanups such as removing slow paths from these library functions, as they need to make sure to remove both copies of variables that are no longer used after such a cleanup (and in at least one case, proper removal of a slow path will also involve removing slow-path-only values from the middle of an array - an array with both big-endian and little-endian copies - and adjusting other references to that array). So it makes sense to clean up the code to define these constants using hex floats and so eliminate the endianness conditional. This patch does so in the case of sqrt, where the two constants are such that it makes sense just to put them directly in the code using them and eliminate the names for them altogether. Tested for arm (the code generated for sqrt does change, though not in any significant way). * sysdeps/ieee754/dbl-64/e_sqrt.c: Do not include uroot.h. (__ieee754_sqrt): Use hex float constants instead of tm256.x and t512.x. * sysdeps/ieee754/dbl-64/uroot.h: Remove file.
* Update family and model detection for AMD CPUsH.J. Lu2015-11-301-12/+15
| | | | | | | | | | | | | | | | AMD CPUs uses the similar encoding scheme for extended family and model as Intel CPUs as shown in: http://support.amd.com/TechDocs/25481.pdf This patch updates get_common_indeces to get family and model for both Intel and AMD CPUs when family == 0x0f. [BZ #19214] * sysdeps/x86/cpu-features.c (get_common_indeces): Add an argument to return extended model. Update family and model with extended family and model when family == 0x0f. (init_cpu_features): Updated.
* hurd: Make mmap64 use vm_offset_t for overflow checkSamuel Thibault2015-11-291-0/+47
| | | | | | | The RPC interface used by mmap uses the unsigned vm_offset_t, not the signed off_t, so 32bit bigger than 2GiB values are fine actually. * sysdeps/mach/hurd/mmap64.c: New file.
* hurd: install correct number of send rights on forkThomas Schwinge2015-11-291-5/+1
| | | | | * sysdeps/mach/hurd/fork.c (__fork): Install correct number of send rights for its main user thread in NEWTASK.
* MIPS: Wire FCSR.ABS2008 to FCSR.NAN2008Maciej W. Rozycki2015-11-281-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Revision 3.50 of the MIPS architecture defined FCSR ABS2008 and NAN2008 bits as optionally read/write [1][2]. No hardware implementation has ever made use of this feature though. For example the first processor to implement these bits, the MIPS32r3 proAptiv core, has both bits read-only, hardwired to 1 [3]. And as from revision 5.03 of the MIPS architecture the bits are required to be read-only, preset by hardware [4][5]. Additionally all hardware implementations in existence have the bits hardwired both to the same value, either of `0' and `1'. These bits may still be read/write or hardwired to opposite values in simulated hardware implementations such as QEMU or the FPU emulator included with the Linux kernel. However to match real hardware implementations the Linux kernel will set FCSR ABS2008 and NAN2008 bits both to the same value where possible, reflecting the setting of the EF_MIPS_NAN2008 ELF file header bit. Therefore update the bit patterns in macro definitions we use for the control word, in the 2008-NaN encoding mode, so that both bits have the same value in a given bit pattern. Additionally mark the FCSR ABS2008 bit as reserved, so that high-level calls to change the control word do not affect the bit. This covers the regular FPU configurations, only leaving exotic corner cases with the value of FCSR control word initially set by the kernel different to what our code thinks it is. To address the remaining cases the AT_FPUCW auxiliary vector entry would have to be implemented in the Linux kernel, which currently is not. References: [1] "MIPS Architecture For Programmers, Volume I-A: Introduction to the MIPS32 Architecture", MIPS Technologies, Inc., Document Number: MD00082, Revision 3.50, September 20, 2012, Table 5.5 "FCSR Register Field Descriptions", p. 80 [2] "MIPS Architecture For Programmers, Volume I-A: Introduction to the MIPS64 Architecture", MIPS Technologies, Inc., Document Number: MD00083, Revision 3.50, September 20, 2012, Table 5.5 "FCSR Register Field Descriptions", p. 82 [3] "MIPS32 proAptiv Multiprocessing System Software User's Manual", MIPS Technologies, Inc., Document Number: MD00878, Revision 01.22, May 14, 2013, Table 12.10 "FCSR Bit Field Descriptions", p. 570 [4] "MIPS Architecture For Programmers, Volume I-A: Introduction to the MIPS32 Architecture", MIPS Technologies, Inc., Document Number: MD00082, Revision 5.03, Sept. 9, 2013, Table 5.7 "FCSR Register Field Descriptions", p. 82 [5] "MIPS Architecture For Programmers, Volume I-A: Introduction to the MIPS64 Architecture", MIPS Technologies, Inc., Document Number: MD00083, Revision 5.03, Sept. 9, 2013, Table 5.7 "FCSR Register Field Descriptions", p. 84 * sysdeps/mips/fpu_control.h (_FPU_RESERVED): Include ABS2008. (_FPU_DEFAULT, _FPU_IEEE) [__mips_nan2008]: Set ABS2008.
* Rename localedir to complocaledir (bug 14259).Carlos O'Donell2015-11-278-9/+9
| | | | | | | In preparation to fix the --localedir configure argument we must move the existing conflicting definition of localedir to a more appropriate name. Given that all current internal uses of localedir relate to the compiled locales we rename to complocaledir.
* Better workaround for aliases of *_finite symbols in vector math library.Andrew Senkevich2015-11-273-30/+62
| | | | | | | | | | | | | Old workaround based on assembly aliases can lead to link fail (bug 19058). This patch makes workaround in another way to avoid it. [BZ #19058] * math/Makefile ($(inst_libdir)/libm.so): Added libmvec_nonshared.a to AS_NEEDED. * sysdeps/x86/fpu/bits/math-vector.h: Removed code with old workaround. * sysdeps/x86_64/fpu/Makefile (libmvec-support, libmvec-static-only-routines): Added new file. * sysdeps/x86_64/fpu/svml_finite_alias.S: New file.
* hurd: Initialize __libc_stack_end for hidden supportSamuel Thibault2015-11-251-1/+1
| | | | | * sysdeps/mach/hurd/dl-sysdep.c (__libc_stack_end): Initialize to get into initialized data instead of common.
* Do not add relro attribute to __libc_stack_endSamuel Thibault2015-11-251-1/+1
| | | | | | It does not actually work yet * sysdeps/mach/hurd/dl-sysdep.c (__libc_stack_end): Remove relro attribute.
* Revert not defining NO_HIDDEN on hurdSamuel Thibault2015-11-252-0/+6
| | | | | * sysdeps/mach/hurd/configure.ac (NO_HIDDEN): Define. * sysdeps/mach/hurd/configure: Regenerate.
* Fix hurd build with hidden supportSamuel Thibault2015-11-2511-11/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | * hurd/sigunwind.c (_hurdsig_longjmp_from_handler): Destroy reply port of interrupted RPC instead of restoring it. * sysdeps/i386/setjmp.S (__sigsetjmp): Add hidden_def. * sysdeps/mach/hurd/accept4.c (__libc_accept4): Remove libc_hidden_def. * sysdeps/mach/hurd/dl-sysdep.c (__libc_stack_end): Add relro attribute, define rtld_hidden_data_def. * sysdeps/mach/hurd/fxstatat64.c (__fxstatat64): Add libc_hidden_def. * sysdeps/mach/hurd/if_index.c (__if_freenameindex): Add libc_hidden_def. (if_freenameindex): Add libc_hidden_weak. (if_nameindex): Add libc_hidden_weak. * sysdeps/mach/hurd/open.c (_open64): Rename libc_hidden_weak into __open64. * sysdeps/mach/hurd/sigwait.c (__sigwait): Add libc_hidden_def. * sysdeps/mach/hurd/xmknodat.c (__xmknodat): Add libc_hidden_def. * sysdeps/mach/nanosleep.c: Include <time.h> (__nanosleep): Rename to __libc_nanosleep. (__nanosleep): Add weak_alias. (nanosleep): Update alias. * sysdeps/mach/hurd/configure.ac (NO_HIDDEN): Do not define. * sysdeps/mach/hurd/configure: Regenerate.
* Refactor strtod parsing of NaN payloads.Joseph Myers2015-11-247-38/+101
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The nan* functions handle their string argument by constructing a NAN(...) string on the stack as a VLA and passing it to strtod functions. This approach has problems discussed in bug 16961 and bug 16962: the stack usage is unbounded, and it gives incorrect results in certain cases where the argument is not a valid n-char-sequence. The natural fix for both issues is to refactor the NaN payload parsing out of strtod into a separate function that the nan* functions can call directly, so that no temporary string needs constructing on the stack at all. This patch does that refactoring in preparation for fixing those bugs (but without actually using the new functions from nan* - which will also require exporting them from libc at version GLIBC_PRIVATE). This patch is not intended to change any user-visible behavior, so no tests are added (fixes for the above bugs will of course add tests for them). This patch builds on my recent fixes for strtol and strtod issues in Turkish locales. Given those fixes, the parsing of NaN payloads is locale-independent; thus, the new functions do not need to take a locale_t argument. Tested for x86_64, x86, mips64 and powerpc. * stdlib/strtod_nan.c: New file. * stdlib/strtod_nan_double.h: Likewise. * stdlib/strtod_nan_float.h: Likewise. * stdlib/strtod_nan_main.c: Likewise. * stdlib/strtod_nan_narrow.h: Likewise. * stdlib/strtod_nan_wide.h: Likewise. * stdlib/strtof_nan.c: Likewise. * stdlib/strtold_nan.c: Likewise. * sysdeps/ieee754/ldbl-128/strtod_nan_ldouble.h: Likewise. * sysdeps/ieee754/ldbl-128ibm/strtod_nan_ldouble.h: Likewise. * sysdeps/ieee754/ldbl-96/strtod_nan_ldouble.h: Likewise. * wcsmbs/wcstod_nan.c: Likewise. * wcsmbs/wcstof_nan.c: Likewise. * wcsmbs/wcstold_nan.c: Likewise. * stdlib/Makefile (routines): Add strtof_nan, strtod_nan and strtold_nan. * wcsmbs/Makefile (routines): Add wcstod_nan, wcstold_nan and wcstof_nan. * include/stdlib.h (__strtof_nan): Declare and use libc_hidden_proto. (__strtod_nan): Likewise. (__strtold_nan): Likewise. (__wcstof_nan): Likewise. (__wcstod_nan): Likewise. (__wcstold_nan): Likewise. * include/wchar.h (____wcstoull_l_internal): Declare. * stdlib/strtod_l.c: Do not include <ieee754.h>. (____strtoull_l_internal): Remove declaration. (STRTOF_NAN): Define macro. (SET_MANTISSA): Remove macro. (STRTOULL): Likewise. (____STRTOF_INTERNAL): Use STRTOF_NAN to parse NaN payload. * stdlib/strtof_l.c (____strtoull_l_internal): Remove declaration. (STRTOF_NAN): Define macro. (SET_MANTISSA): Remove macro. * sysdeps/ieee754/ldbl-128/strtold_l.c (STRTOF_NAN): Define macro. (SET_MANTISSA): Remove macro. * sysdeps/ieee754/ldbl-128ibm/strtold_l.c (STRTOF_NAN): Define macro. (SET_MANTISSA): Remove macro. * sysdeps/ieee754/ldbl-64-128/strtold_l.c (STRTOF_NAN): Define macro. (SET_MANTISSA): Remove macro. * sysdeps/ieee754/ldbl-96/strtold_l.c (STRTOF_NAN): Define macro. (SET_MANTISSA): Remove macro. * wcsmbs/wcstod_l.c (____wcstoull_l_internal): Remove declaration. * wcsmbs/wcstof_l.c (____wcstoull_l_internal): Likewise. * wcsmbs/wcstold_l.c (____wcstoull_l_internal): Likewise.
* tile: define __NO_LONG_DOUBLE_MATHChris Metcalf2015-11-247-0/+18
| | | | | | | | This avoids build failures in the tests, and matches what is in bits/mathdef.h. Update the libc and libm abilist files to include __finitel, __isinfl, and __isnanl.
* Remove CPU set size checking from affinity functions [BZ #19143]Florian Weimer2015-11-2412-194/+986
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | With current kernel versions, the check does not reliably detect that unavailable CPUs are requested, for these reasons: (1) The kernel will silently ignore non-allowed CPUs, that is, CPUs which are physically present but disallowed for the thread based on system configuration. (2) Similarly, CPU bits which lack an online CPU (possible CPUs) are ignored. (3) The existing probing code assumes that the CPU mask size is a power of two and at least 1024. Neither has it to be a power of two, nor is the minimum possible value 1024, so the value determined is often too large. This means that the CPU set size check in glibc accepts CPU bits beyond the actual hard system limit. (4) Future kernel versions may not even have a fixed CPU set size. After the removal of the probing code, the kernel still returns EINVAL if no CPU in the requested set remains which can run the thread after the affinity change. Applications which care about the exact affinity mask will have to query it using sched_getaffinity after setting it. Due to the effects described above, this commit does not change this. The new tests supersede tst-getcpu, which is removed. This addresses bug 19164 because the new tests allocate CPU sets dynamically. * nptl/check-cpuset.h: Remove. * nptl/pthread_attr_setaffinity.c (__pthread_attr_setaffinity_new): Remove CPU set size check. * nptl/pthread_setattr_default_np.c (pthread_setattr_default_np): Likewise. * sysdeps/unix/sysv/linux/check-cpuset.h: Remove. * sysdeps/unix/sysv/linux/pthread_setaffinity.c (__kernel_cpumask_size, __determine_cpumask_size): Remove. (__pthread_setaffinity_new): Remove CPU set size check. * sysdeps/unix/sysv/linux/sched_setaffinity.c (__kernel_cpumask_size): Remove. (__sched_setaffinity_new): Remove CPU set size check. * manual/threads.texi (Default Thread Attributes): Remove stale reference to check_cpuset_attr, determine_cpumask_size in comment. * sysdeps/unix/sysv/linux/Makefile [$(subdir) == posix] (tests): Remove tst-getcpu. Add tst-affinity, tst-affinity-pid. [$(subdir) == nptl] (tests): Add tst-thread-affinity-pthread, tst-thread-affinity-pthread2, tst-thread-affinity-sched. * sysdeps/unix/sysv/linux/tst-affinity.c: New file. * sysdeps/unix/sysv/linux/tst-affinity-pid.c: New file. * sysdeps/unix/sysv/linux/tst-skeleton-affinity.c: New skeleton test file. * sysdeps/unix/sysv/linux/tst-thread-affinity-sched.c: New file. * sysdeps/unix/sysv/linux/tst-thread-affinity-pthread.c: New file. * sysdeps/unix/sysv/linux/tst-thread-affinity-pthread2.c: New file. * sysdeps/unix/sysv/linux/tst-thread-skeleton-affinity.c: New skeleton test file. * sysdeps/unix/sysv/linux/tst-getcpu.c: Remove. Superseded by tst-affinity-pid.
* Replace MUTEX_INITIALIZER with _LIBC_LOCK_INITIALIZER in generic codeFlorian Weimer2015-11-244-3/+3
| | | | | | | | | | * sysdeps/mach/hurd/libc-lock.h (_LIBC_LOCK_INITIALIZER): Define. (__libc_lock_define_initialized): Use it. * sysdeps/nptl/libc-lockP.h (_LIBC_LOCK_INITIALIZER): Define. * malloc/arena.c (list_lock): Use _LIBC_LOCK_INITIALIZER. * malloc/malloc.c (main_arena): Likewise. * sysdeps/generic/malloc-machine.h (MUTEX_INITIALIZER): Remove. * sysdeps/nptl/malloc-machine.h (MUTEX_INITIALIZER): Remove.
* Update <sys/ptrace.h> for Linux 4.3.Joseph Myers2015-11-237-7/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch updates <sys/ptrace.h> for Linux 4.3, adding PTRACE_O_SUSPEND_SECCOMP and updating the value of PTRACE_O_MASK. Some architectures were missing the older PTRACE_O_EXITKILL, so that was added to the files missing it as well. Tested for x86_64 (testsuite, and that installed shared libraries are unchanged by the patch). * sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h (PTRACE_O_EXITKILL): New value in enum __ptrace_setoptions. (PTRACE_O_SUSPEND_SECCOMP): Likewise. (PTRACE_O_MASK): Update value. * sysdeps/unix/sysv/linux/ia64/sys/ptrace.h (PTRACE_O_EXITKILL): New value in enum __ptrace_setoptions. (PTRACE_O_SUSPEND_SECCOMP): Likewise. (PTRACE_O_MASK): Update value. * sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h (PTRACE_O_SUSPEND_SECCOMP): New value in enum __ptrace_setoptions. (PTRACE_O_MASK): Update value. * sysdeps/unix/sysv/linux/s390/sys/ptrace.h (PTRACE_O_SUSPEND_SECCOMP): New value in enum __ptrace_setoptions. (PTRACE_O_MASK): Update value. * sysdeps/unix/sysv/linux/sparc/sys/ptrace.h (PTRACE_O_SUSPEND_SECCOMP): New value in enum __ptrace_setoptions. (PTRACE_O_MASK): Update value. * sysdeps/unix/sysv/linux/sys/ptrace.h (PTRACE_O_SUSPEND_SECCOMP): New value in enum __ptrace_setoptions. (PTRACE_O_MASK): Update value. * sysdeps/unix/sysv/linux/tile/sys/ptrace.h (PTRACE_O_EXITKILL): New value in enum __ptrace_setoptions. (PTRACE_O_SUSPEND_SECCOMP): Likewise. (PTRACE_O_MASK): Update value.
* Update <netpacket/packet.h> for Linux 4.3.Joseph Myers2015-11-231-0/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In the course of reviewing Linux 4.3 changes for any glibc header updates needed, I found that sysdeps/unix/sysv/linux/netpacket/packet.h was extremely out of date (last updated for Linux 2.3.15, it seems). This patch updates the sets of constants present in that header to include those added to those sets in newer kernels (include/uapi/linux/if_packet.h). Tested for x86_64 (testsuite, and that installed shared libraries are unchanged by the patch). * sysdeps/unix/sysv/linux/netpacket/packet.h (PACKET_COPY_THRESH): New macro. (PACKET_AUXDATA): Likewise. (PACKET_ORIGDEV): Likewise. (PACKET_VERSION): Likewise. (PACKET_HDRLEN): Likewise. (PACKET_RESERVE): Likewise. (PACKET_TX_RING): Likewise. (PACKET_LOSS): Likewise. (PACKET_VNET_HDR): Likewise. (PACKET_TX_TIMESTAMP): Likewise. (PACKET_TIMESTAMP): Likewise. (PACKET_FANOUT): Likewise. (PACKET_TX_HAS_OFF): Likewise. (PACKET_QDISC_BYPASS): Likewise. (PACKET_ROLLOVER_STATS): Likewise. (PACKET_FANOUT_DATA): Likewise. (PACKET_MR_UNICAST): Likewise.
* NaCl: Use allocate_code_data after dyncode_createRoland McGrath2015-11-201-1/+27
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* Fix math_private.h multiple include guards.Joseph Myers2015-11-208-8/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Various math_private.h headers are guarded by "#ifndef _MATH_PRIVATE_H", but never define the macro. Nothing else defines the macro either (the generic math_private.h that they include defines a different macro, _MATH_PRIVATE_H_), so those guards are ineffective. With the recent inclusion of s_sin.c in s_sincos.c, this breaks the build for MIPS, since the build of s_sincos.c ends up including <math_private.h> twice and the MIPS version defines inline functions such as libc_feholdexcept_mips, without a separate fenv_private.h header with its own guards such as some architectures have. This patch fixes all the problem headers to use architecture-specific guard macro names, and to define those macros in the headers they guard, just as some architectures already do. Tested for x86 (testsuite, and that installed shared libraries are unchanged by the patch), and for mips64 (that it fixes the build). * sysdeps/arm/math_private.h [!_MATH_PRIVATE_H]: Change guard to [!ARM_MATH_PRIVATE_H]. [!ARM_MATH_PRIVATE_H] (ARM_MATH_PRIVATE_H): Define macro. * sysdeps/hppa/math_private.h [!_MATH_PRIVATE_H]: Change guard to [!HPPA_MATH_PRIVATE_H]. [!HPPA_MATH_PRIVATE_H] (HPPA_MATH_PRIVATE_H): Define macro. * sysdeps/i386/fpu/math_private.h [!_MATH_PRIVATE_H]: Change guard to [!I386_MATH_PRIVATE_H]. [!I386_MATH_PRIVATE_H] (I386_MATH_PRIVATE_H): Define macro. * sysdeps/m68k/m680x0/fpu/math_private.h [!_MATH_PRIVATE_H]: Change guard to [!M68K_MATH_PRIVATE_H]. [!M68K_MATH_PRIVATE_H] (M68K_MATH_PRIVATE_H): Define macro. * sysdeps/microblaze/math_private.h [!_MATH_PRIVATE_H]: Change guard to [!MICROBLAZE_MATH_PRIVATE_H]. [!MICROBLAZE_MATH_PRIVATE_H] (MICROBLAZE_MATH_PRIVATE_H): Define macro. * sysdeps/mips/math_private.h [!_MATH_PRIVATE_H]: Change guard to [!MIPS_MATH_PRIVATE_H]. [!MIPS_MATH_PRIVATE_H] (MIPS_MATH_PRIVATE_H): Define macro. * sysdeps/nios2/math_private.h [!_MATH_PRIVATE_H]: Change guard to [!NIO2_MATH_PRIVATE_H]. [!NIO2_MATH_PRIVATE_H] (NIO2_MATH_PRIVATE_H): Define macro. * sysdeps/tile/math_private.h [!_MATH_PRIVATE_H]: Change guard to [!TILE_MATH_PRIVATE_H]. [!TILE_MATH_PRIVATE_H] (TILE_MATH_PRIVATE_H): Define macro.
* Fix lgamma setting signgam for ISO C (bug 15421).Joseph Myers2015-11-2036-62/+225
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The lgamma (and likewise lgammaf, lgammal) function wrongly sets the signgam variable even when building for strict ISO C conformance (-std=c99 / -std=c11), although the user may define such a variable and it's only in the implementation namespace for POSIX with XSI extensions enabled. Following discussions starting at <https://sourceware.org/ml/libc-alpha/2013-04/msg00767.html> and <https://sourceware.org/ml/libc-alpha/2015-10/msg00844.html>, it seems that the safest approach for fixing this particular issue is for signgam to become a weak alias for a newly exported symbol __signgam, with the library functions only setting __signgam, at which point static linker magic will preserve the alias for newly linked binaries that refer to the library's signgam rather than defining their own, while breaking the alias for programs that define their own signgam, with new symbol versions for lgamma functions and with compat symbols for existing binaries that set both signgam and __signgam. This patch implements that approach for the fix. signgam is made into a weak alias. The four symbols __signgam, lgamma, lgammaf, lgammal get new symbol versions at version GLIBC_2.23, with the existing versions of lgamma, lgammaf and lgammal becoming compat symbols. When the compat versions are built, gamma, gammaf and gammal are aliases for the compat versions (i.e. always set signgam); this is OK as they are not ISO C functions, and avoids adding new symbol versions for them unnecessarily. When the compat versions are not built (i.e. for static linking and for future glibc ports), gamma, gammaf and gammal are aliases for the new versions that set __signgam. The ldbl-opt versions are updated accordingly. The lgamma wrappers are adjusted so that the same source files, included from different files with different definitions of USE_AS_COMPAT, can build either the new versions or the compat versions. Similar changes are made to the ia64 versions (untested). Tests are added that the lgamma functions do not interfere with a user variable called signgam for ISO C, with various choices for the size of that variable, whether it is initialized, and for static and dynamic linking. The conformtest whitelist entry is removed as well. Tested for x86_64, x86, mips64 and powerpc, including looking at objdump --dynamic-syms output to make sure the expected sets of symbols were aliases. Also spot-tested that a binary built with old glibc works properly (i.e. gets signgam set) when run with new glibc. [BZ #15421] * sysdeps/ieee754/s_signgam.c (signgam): Rename to __signgam, initialize with 0 and define as weak alias of __signgam. * include/math.h [!_ISOMAC] (__signgam): Declare. * math/Makefile (libm-calls): Add w_lgamma_compat. (tests): Add test-signgam-uchar, test-signgam-uchar-init, test-signgam-uint, test-signgam-uint-init, test-signgam-ullong and test-signgam-ullong-init. (tests-static): Add test-signgam-uchar-static, test-signgam-uchar-init-static, test-signgam-uint-static, test-signgam-uint-init-static, test-signgam-ullong-static and test-signgam-ullong-init-static. (CFLAGS-test-signgam-uchar.c): New variable. (CFLAGS-test-signgam-uchar-init.c): Likewise. (CFLAGS-test-signgam-uchar-static.c): Likewise. (CFLAGS-test-signgam-uchar-init-static.c): Likewise. (CFLAGS-test-signgam-uint.c): Likewise. (CFLAGS-test-signgam-uint-init.c): Likewise. (CFLAGS-test-signgam-uint-static.c): Likewise. (CFLAGS-test-signgam-uint-init-static.c): Likewise. (CFLAGS-test-signgam-ullong.c): Likewise. (CFLAGS-test-signgam-ullong-init.c): Likewise. (CFLAGS-test-signgam-ullong-static.c): Likewise. (CFLAGS-test-signgam-ullong-init-static.c): Likewise. * math/Versions (libm): Add GLIBC_2.23. * math/lgamma-compat.h: New file. * math/test-signgam-main.c: Likewise. * math/test-signgam-uchar-init-static.c: Likewise. * math/test-signgam-uchar-init.c: Likewise. * math/test-signgam-uchar-static.c: Likewise. * math/test-signgam-uchar.c: Likewise. * math/test-signgam-uint-init-static.c: Likewise. * math/test-signgam-uint-init.c: Likewise. * math/test-signgam-uint-static.c: Likewise. * math/test-signgam-uint.c: Likewise. * math/test-signgam-ullong-init-static.c: Likewise. * math/test-signgam-ullong-init.c: Likewise. * math/test-signgam-ullong-static.c: Likewise. * math/test-signgam-ullong.c: Likewise. * math/w_lgamma.c: Rename to w_lgamma_main.c and replace by wrapper of w_lgamma_main.c. * math/w_lgamma_compat.c: New file. * math/w_lgamma_compatf.c: Likewise. * math/w_lgamma_compatl.c: Likewise. * math/w_lgamma_main.c: New file. Based on w_lgamma.c. Include <lgamma-compat.h>. Condition contents on [BUILD_LGAMMA]. Support defining compatibility symbols. (__lgamma): Change to LGFUNC (__lgamma). Use CALL_LGAMMA. * math/w_lgammaf.c: Rename to w_lgammaf_main.c and replace by wrapper of w_lgammaf_main.c. * math/w_lgammaf_main.c: New file. Based on w_lgammaf.c. Include <lgamma-compat.h>. Condition contents on [BUILD_LGAMMA]. Support defining compatibility symbols. (__lgammaf): Change to LGFUNC (__lgammaf). Use CALL_LGAMMA. * math/w_lgammal.c: Rename to w_lgammal_main.c and replace by wrapper of w_lgammal_main.c. * math/w_lgammal_main.c: New file. Based on w_lgammal.c. Include <lgamma-compat.h>. Condition contents on [BUILD_LGAMMA]. Support defining compatibility symbols. (__lgammal): Change to LGFUNC (__lgammal). Use CALL_LGAMMA. * sysdeps/ia64/fpu/lgamma-compat.h: New file. * sysdeps/ia64/fpu/w_lgamma.c: Move to .... * sysdeps/ia64/fpu/w_lgamma_main.c: ...here. Include <lgamma-compat.h>. (__ieee754_lgamma): Change to LGFUNC (lgamma). Use CALL_LGAMMA. (__ieee754_gamma): Define as alias. * sysdeps/ia64/fpu/w_lgammaf.c: Move to .... * sysdeps/ia64/fpu/w_lgammaf_main.c: ...here. Include <lgamma-compat.h>. (__ieee754_lgammaf): Change to LGFUNC (lgammaf). Use CALL_LGAMMA. (__ieee754_gammaf): Define as alias. * sysdeps/ia64/fpu/w_lgammal.c: Move to .... * sysdeps/ia64/fpu/w_lgammal_main.c: ...here. Include <lgamma-compat.h>. (__ieee754_lgammal): Change to LGFUNC (lgammal). Use CALL_LGAMMA. (__ieee754_gammal): Define as alias. * sysdeps/ieee754/ldbl-opt/w_lgamma.c: Move to .... * sysdeps/ieee754/ldbl-opt/w_lgamma_compat.c: ...here. Include <math/w_lgamma_compat.c>. [LONG_DOUBLE_COMPAT(libm, GLIBC_2_0)] (__lgammal_dbl_compat): Define as alias of __lgamma_compat and use in defining lgammal. * sysdeps/ieee754/ldbl-opt/w_lgammal.c: Move to .... * sysdeps/ieee754/ldbl-opt/w_lgamma_compatl.c: ...here. Include <math/lgamma-compat.h> and <math/w_lgamma_compatl.c>. (USE_AS_COMPAT): New macro. (LGAMMA_OLD_VER): Undefine and redefine. (lgammal): Do not define here. (gammal): Only define here if [GAMMA_ALIAS]. * conform/linknamespace.pl (@whitelist): Remove signgam. * sysdeps/nacl/libm.abilist: Update. * sysdeps/unix/sysv/linux/aarch64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/alpha/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/arm/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/hppa/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/i386/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/ia64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/microblaze/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/nios2/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/sh/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilepro/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Likewise.
* Remove signal handling for nanosleep (bug 16364)Adhemerval Zanella2015-11-202-158/+0
| | | | | | | | | | | | | | | | | | | | | | Linux 2.6.32 and forward do not show the issue regarding SysV SIGCHLD vs. SIG_IGN for nanosleep which make it feasible to use it for sleep implementation without requiring any hacking to handle the spurious wake up. The issue is likely being fixed before 2.6 and git history [1] [2]. This patch simplifies the sleep code to call nanosleep directly by using the posix default version. It also removes the early cancellation tests for zero argument, since nanosleep will handle cancellation in this case. [1] https://lkml.org/lkml/2004/11/25/5 [2] https://lkml.org/lkml/2003/11/8/50 Checked on x86_64, ppc64le, and aarch64. [BZ #16364] * sysdeps/unix/sysv/linux/sleep.c: Remove file * sysdeps/posix/sleep.c (__sleep): Simplify cancellation handling.
* S390: Use __asm__ instead of asm.Stefan Liebler2015-11-2041-453/+453
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * sysdeps/s390/fpu/bits/mathinline.h: Use __asm__ [__volatile__] instead of asm [volatile]. * sysdeps/s390/abort-instr.h: Likewise. * sysdeps/s390/atomic-machine.h: Likewise. * sysdeps/s390/bits/string.h: Likewise. * sysdeps/s390/dl-tls.h: Likewise. * sysdeps/s390/fpu/e_sqrt.c: Likewise. * sysdeps/s390/fpu/e_sqrtf.c: Likewise. * sysdeps/s390/fpu/e_sqrtl.c: Likewise. * sysdeps/s390/fpu/fesetround.c: Likewise. * sysdeps/s390/fpu/fpu_control.h: Likewise. * sysdeps/s390/fpu/s_fma.c: Likewise. * sysdeps/s390/fpu/s_fmaf.c: Likewise. * sysdeps/s390/memusage.h: Likewise. * sysdeps/s390/multiarch/ifunc-resolve.h: Likewise. * sysdeps/s390/nptl/pthread_spin_lock.c: Likewise. * sysdeps/s390/nptl/pthread_spin_trylock.c: Likewise. * sysdeps/s390/nptl/pthread_spin_unlock.c: Likewise. * sysdeps/s390/nptl/tls.h: Likewise. * sysdeps/s390/s390-32/__longjmp.c: Likewise. * sysdeps/s390/s390-32/backtrace.c: Likewise. * sysdeps/s390/s390-32/dl-machine.h: Likewise. * sysdeps/s390/s390-32/multiarch/memcmp.c: Likewise. * sysdeps/s390/s390-32/stackguard-macros.h: Likewise. * sysdeps/s390/s390-32/tls-macros.h: Likewise. * sysdeps/s390/s390-64/__longjmp.c: Likewise. * sysdeps/s390/s390-64/backtrace.c: Likewise. * sysdeps/s390/s390-64/dl-machine.h: Likewise. * sysdeps/s390/s390-64/iso-8859-1_cp037_z900.c: Likewise. * sysdeps/s390/s390-64/multiarch/memcmp.c: Likewise. * sysdeps/s390/s390-64/stackguard-macros.h: Likewise. * sysdeps/s390/s390-64/tls-macros.h: Likewise. * sysdeps/s390/s390-64/utf16-utf32-z9.c: Likewise. * sysdeps/s390/s390-64/utf8-utf16-z9.c: Likewise. * sysdeps/s390/s390-64/utf8-utf32-z9.c: Likewise. * sysdeps/unix/sysv/linux/s390/brk.c: Likewise. * sysdeps/unix/sysv/linux/s390/elision-trylock.c: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/____longjmp_chk.c: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/____longjmp_chk.c: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/s390/sysconf.c: Likewise.
* powerpc: Spinlock optimization and cleanupPaul Murphy2015-11-193-6/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch optimizes powerpc spinlock implementation by: * Use the correct EH hint bit on the larx for supported ISA. For lock acquisition, the thread that acquired the lock with a successful stcx does not want to give away the write ownership on the cacheline. The idea is to make the load reservation "sticky" about retaining write authority to the line. That way, the store that must inevitably come to release the lock can succeed quickly and not contend with other threads issuing lwarx. If another thread does a store to the line (false sharing), the winning thread must give up write authority to the proper value of EH for the larx for a lock acquisition is 1. * Increase contented lock performance by up to 40%, and no measurable impact on uncontended locks on P8. Thanks to Adhemerval Zanella who did most of the work. I've run some tests, and addressed some minor feedback. * sysdeps/powerpc/nptl/pthread_spin_lock.c (pthread_spin_lock): Add lwarx hint, and use macro for acquire instruction. * sysdeps/powerpc/nptl/pthread_spin_trylock.c (pthread_spin_trylock): Likewise. * sysdep/unix/sysv/linux/powerpc/pthread_spin_unlock.c: Move to ... * sysdeps/powerpc/nptl/pthread_spin_unlock.c: ... here, and update to use new atomic macros.
* powerpc: More elision improvementsPaul Murphy2015-11-192-10/+13
| | | | | | | | | | | | | | | | | | | | | | | __lll_trylock_elision sets the adapt_count variable too aggressively, and incorrectly on persistent aborts. Taking a cue from s390, adapt_count is only updated if the lock is locked, or a persistent failure occurs. In addition, the abort codes have been renumbered and refactored for clarity. As it stands, glibc only cares if the abort is persistent or not. All aborts are now persistent, excepting a busy lock. This includes changing _ABORT_NESTED_TRYLOCK into a persistent abort. * sysdeps/unix/sysv/linux/powerpc/elision-trylock.c (__lll_trylock_elision): Fix setting of adapt_count. * sysdeps/unix/sysv/linux/powerpc/htm.h (_ABORT_PERSISTENT): Define to clarify persistent aborts. (_ABORT_NESTED_TRYLOCK): Renumber, and make persistent. (_ABORT_SYSCALL): Renumber, and clarify definition. (_ABORT_LOCK_BUSY): Renumber, make non-persistent.
* Shuffle includes in ldbl-128ibm/mpn2ldl.cPaul Murphy2015-11-191-2/+6
| | | | | | | | | | | Kind of hokey, but errno.h drags in misc/sys/param.h which defines MIN/MAX causing an error. Include system headers first to grab MIN/MAX definition in param.h, and define HAVE_ALLOCA to preserve existing behavior. * sysdeps/ieee754/ldbl-128ibm/mpn2ldl.c: Include gmp headers after system headers to prevent MIN/MAX redefinition. Define HAVE_ALLOCA to preserve builtin alloca usage.
* Include s_sin.c in s_sincos.cSiddhesh Poyarekar2015-11-172-19/+20
| | | | | | | | | | | | | | Include the __sin and __cos functions as local static copies to allow deper optimization of the functions. This change shows an improvement of about 17% in the min case and 12.5% in the mean case for the sincos microbenchmark on x86_64. * sysdeps/ieee754/dbl-64/s_sin.c (__sin)[IN_SINCOS]: Mark function static and don't set or restore rounding. (__cos)[IN_SINCOS]: Likewise. * sysdeps/ieee754/dbl-64/s_sincos.c: Include s_sin.c. (__sincos): Set and restore rounding mode. Remove check for infinite or NaN input.
* Remove redundant else clauses in s_sin.cSiddhesh Poyarekar2015-11-171-186/+158
| | | | | Makes the code easier to read due to the reduced nesting. The generated binary is unchanged.
* Run tst-prelink test for GLOB_DAT relocH.J. Lu2015-11-143-46/+0
| | | | | | | | | | | | | | | | | | | | | | | Run tst-prelink test on targets with GLOB_DAT relocaton. * config.make.in (have-glob-dat-reloc): New. * configure.ac (libc_cv_has_glob_dat): New. Set to yes if target supports GLOB_DAT relocaton. AC_SUBST. * configure: Regenerated. * elf/Makefile (tests): Add tst-prelink. (tests-special): Add $(objpfx)tst-prelink-cmp.out. (tst-prelink-ENV): New. ($(objpfx)tst-prelink-conflict.out): Likewise. ($(objpfx)tst-prelink-cmp.out): Likewise. * sysdeps/x86/tst-prelink.c: Moved to ... * elf/tst-prelink.c: Here. * sysdeps/x86/tst-prelink.exp: Moved to ... * elf/tst-prelink.exp: Here. * sysdeps/x86/Makefile (tests): Don't add tst-prelink. (tst-prelink-ENV): Removed. ($(objpfx)tst-prelink-conflict.out): Likewise. ($(objpfx)tst-prelink-cmp.out): Likewise. (tests-special): Don't add $(objpfx)tst-prelink-cmp.out.
* Fix ldbl-128ibm strtold overflow handling (bug 14551).Joseph Myers2015-11-133-0/+99
| | | | | | | | | | | | | | | | | | | | | | | | For ldbl-128ibm, if the result of strtold overflows in the final conversion from MPN to IBM long double (because the exponent for a 106-bit IEEE result is 1023 but the high part would end up as 0x1p1024, which overflows), that conversion code fails to handle this and produces an invalid long double value (high part infinite, low part not zero) without raising exceptions or setting errno. This patch adds an explicit check for this case to ensure an appropriate result is returned in a way that ensures the right exceptions are raised, with errno set. Tested for powerpc. [BZ #14551] * sysdeps/ieee754/ldbl-128ibm/mpn2ldbl.c: Include <errno.h>. (__mpn_construct_long_double): If high part overflows to infinity, set errno and recompute overflowed result of the correct sign. * sysdeps/ieee754/ldbl-128ibm/Makefile [$(subdir) = stdlib] (tests): Add tst-strtold-ldbl-128ibm. [$(subdir) = stdlib] ($(objpfx)tst-strtold-ldbl-128ibm): Depend on $(libm). * sysdeps/ieee754/ldbl-128ibm/tst-strtold-ldbl-128ibm.c: New file.
* Fix powerpc round, roundf spurious "inexact" (bug 19238).Joseph Myers2015-11-124-12/+24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The powerpc hard-float round and roundf functions, both 32-bit and 64-bit, raise spurious "inexact" exceptions for integer arguments from adding 0.5 and rounding to integer toward zero. Since these functions already save and restore the rounding mode, it's natural to make them restore the full floating-point state instead to fix this bug, which this patch does. The save of the state is moved after the first floating-point operation on the input so that any "invalid" exceptions from signaling NaN inputs are properly preserved. As a consequence of this approach to the fix, "inexact" for noninteger arguments (disallowed by TS 18661-1 but not by C99/C11, see bug 15479) is also avoided for these implementations; this is *not* a general fix for bug 15479 since plenty of other implementations of various functions still raise spurious "inexact" for noninteger arguments. This issue and fix do not apply to builds using power5+ versions of round and roundf, which use the frin instruction and avoid "inexact" exceptions that way. This patch should get hard-float powerpc32 and powerpc64 (default function implementations) back to a state where test-float and test-double will pass after ulps regeneration. Tested for powerpc32 and powerpc64. [BZ #15479] [BZ #19238] * sysdeps/powerpc/powerpc32/fpu/s_round.S (__round): Save floating-point state after first operation on input. Restore full state rather than just rounding mode. * sysdeps/powerpc/powerpc32/fpu/s_roundf.S (__roundf): Likewise. * sysdeps/powerpc/powerpc64/fpu/s_round.S (__round): Likewise. * sysdeps/powerpc/powerpc64/fpu/s_roundf.S (__roundf): Likewise.
* Fix powerpc64 lround, lroundf, llround, llroundf spurious "inexact" ↵Joseph Myers2015-11-122-0/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | exceptions (bug 19235). Similar to bug 19134 for powerpc32, the powerpc64 implementations of lround, lroundf, llround, llroundf can raise spurious "inexact" exceptions for integer arguments from adding 0.5 then converting to integer (this does not apply to the power5+ version for double, which uses the frin instruction which is defined never to raise "inexact"; I don't know why power5+ doesn't use that version for float as well). This patch fixes the bug in a similar way to the powerpc32 bug, by testing for integers (adding and subtracting 2^52 and comparing with the value before that addition and subtraction) and not adding 0.5 in that case. The powerpc maintainers may wish to look at making power5+ / power6x / power8 use frin for float lround / llround as well as for double, unless there's some reason I've missed that this isn't beneficial. Tested for powerpc64. [BZ #19235] * sysdeps/powerpc/powerpc64/fpu/s_llround.S (__llround): Do not add 0.5 to integer arguments. * sysdeps/powerpc/powerpc64/fpu/s_llroundf.S (__llroundf): Likewise. (.LC2): New object.
* NaCl: Use open_resource API for shared objectsRoland McGrath2015-11-103-1/+64
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* Fix powerpc nearbyint wrongly clearing "inexact" and leaving traps disabled ↵Joseph Myers2015-11-114-8/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (bug 19228). Similar to bug 15491 recently fixed for x86_64 / x86, the powerpc (both powerpc32 and powerpc64) hard-float implementations of nearbyintf and nearbyint wrongly clear an "inexact" exception that was raised before the function was called; this shows up as failure of the test math/test-nearbyint-except added when that bug was fixed. They also wrongly leave traps on "inexact" disabled if they were enabled before the function was called. This patch fixes the bugs similar to how the x86 bug was fixed: saving and restoring the whole floating-point state, both to restore the original "inexact" flag state and to restore the original state of whether traps on "inexact" were enabled. Because there's a convenient point in the powerpc implementations to save state after any sNaN arguments will have raised "invalid" but before "inexact" traps need to be disabled, no special handling for "invalid" is needed as in the x86 version. Tested for powerpc64 and powerpc32, where it fixes the math/test-nearbyint-except failure as well as fixing the new test math/test-nearbyint-except-2 added by this patch. Also tested for x86_64 and x86 that the new test passes. If powerpc experts see a more efficient way of doing this (e.g. instruction positioning that's better for pipelines on typical processors) then of course followups optimizing the fix are welcome. [BZ #19228] * sysdeps/powerpc/powerpc32/fpu/s_nearbyint.S (__nearbyint): Save and restore full floating-point state. * sysdeps/powerpc/powerpc32/fpu/s_nearbyintf.S (__nearbyintf): Likewise. * sysdeps/powerpc/powerpc64/fpu/s_nearbyint.S (__nearbyint): Likewise. * sysdeps/powerpc/powerpc64/fpu/s_nearbyintf.S (__nearbyintf): Likewise. * math/test-nearbyint-except-2.c: New file. * math/Makefile (tests): Add test-nearbyint-except-2.
* Add a test for prelink outputH.J. Lu2015-11-103-0/+46
| | | | | | | | | | | | | | This test applies to i386 and x86_64 which set R_386_GLOB_DAT and R_X86_64_GLOB_DAT to ELF_RTYPE_CLASS_EXTERN_PROTECTED_DATA. [BZ #19178] * sysdeps/x86/Makefile (tests): Add tst-prelink. (tst-prelink-ENV): New. ($(objpfx)tst-prelink-conflict.out): Likewise. ($(objpfx)tst-prelink-cmp.out): Likewise. (tests-special): Add $(objpfx)tst-prelink-cmp.out. * sysdeps/x86/tst-prelink.c: New file. * sysdeps/x86/tst-prelink.exp: Likewise.
* Fix nearbyintl linkage for ia64 (bug 19219)Adhemerval Zanella2015-11-101-2/+3
| | | | | | | | | | | | | GLIBC fails to build for ia64 since commit d0d286d32dda654f8983e8fe77bca0a2cda2051b. It is because this commit uses the internal definition for nearbyintl, but ia64 specialized implementation (sysdeps/ia64/fpu/s_nearbyintl.S) does not define it. Tested with a ia64 build. [BZ #19219] * sysdeps/ia64/fpu/s_nearbyintl.S (__nearbyint): Define and weak_alias to nearbyintl.
* Enable _STRING_ARCH_unaligned on AArch64.Wilco Dijkstra2015-11-101-0/+24
| | | | | * sysdeps/aarch64/bits/string.h: New file. (_STRING_ARCH_unaligned): Define.
* Remove __signbit* from localplt.data as they are no longer called from ↵Wilco Dijkstra2015-11-105-17/+0
| | | | | | | | | | within GLIBC. * sysdeps/unix/sysv/linux/aarch64/localplt.data: Remove __signbit*. * sysdeps/unix/sysv/linux/arm/localplt.data: Likewise. * sysdeps/unix/sysv/linux/microblaze/localplt.data: Likewise. * sysdeps/unix/sysv/linux/nios2/localplt.data: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/localplt.data: Likewise.
* ld.so: Add original DSO name if overridden by audit module [BZ #18251]Florian Weimer2015-11-091-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | * elf/dl-load.c (_dl_map_object_from_fd): Add additional parameter for original name of the DSO. Add it to the name list of the DSO if it is actually given. (_dl_map_object): Keep track of whether an audit module rewrote the file name. If yes, pass the original name to _dl_map_object_from_fd in a new parameter, otherwise NULL. When debugging is enabled, log the change of the file name. * sysdeps/mach/hur/dl-sysdep.c: Adjust commented-out call to _dl_map_object_from_fd. * elf/Makefile: Build and run tst-audit11 and tst-audit12. * elf/tst-audit11.c: New file * elf/tst-auditmod11.c: New file. * elf/tst-audit11mod1.c: New file. * elf/tst-audit11mod2.c: New file. * elf/tst-audit11mod2.map: New file. * elf/tst-audit12.c: New file * elf/tst-auditmod12.c: New file. * elf/tst-audit12mod1.c: New file. * elf/tst-audit12mod2.c: New file. * elf/tst-audit12mod2.map: New file. * elf/tst-audit12mod3.c: New file.
* S390: Clean setjmp, longjmp, getcontext symbols.Stefan Liebler2015-11-095-30/+50
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For each function setjmp, longjmp, getcontext, there exist a symbol <func> and a default/versioned symbol <func>@@GLIBC_2.x in the build obj-files. This is wrong because it should only exist an unversioned or a default-versioned symbol with the same name in an obj-file. Glibc can't be build with recent binutils. See the already fixed linker bug https://sourceware.org/bugzilla/show_bug.cgi?id=19073. Nevertheless, this patch cleans this up. Furthermore the BSD entry points setjmp, _setjmp were marked as weak, but should be strong as on other architectures. (see https://sourceware.org/ml/libc-alpha/2014-07/msg00568.html for an older discussion with Andreas Schwab) Some whitespace issues are corrected in sysdeps/s390/s390-64/setjmp.S, too. But there is no change in the assembler code. ChangeLog: * sysdeps/s390/longjmp.c (longjmp, _longjmp, siglongjmp): Don't create weak aliases, because versioned symbols are created later. * sysdeps/s390/s390-32/setjmp.S (setjmp, _setjmp): Remove weak and rename to an unique name in SHARED case due to existing versioned symbols. * sysdeps/s390/s390-64/setjmp.S: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/getcontext.S (getcontext): Create weak alias only in non SHARED case. * sysdeps/unix/sysv/linux/s390/s390-64/getcontext.S: Likewise.
* S390: Call direct system calls for socket operations.Stefan Liebler2015-11-095-19/+30
| | | | | | | | | | | | | | | | | | | | | this patch calls direct system calls for socket operations in the same way as power does. The system calls were introduced in kernel commit https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=977108f89c989b1eeb5c8d938e1e71913391eb5f. There are no direct recv, send, accept syscalls available on s390. Thus recvfrom, sendto, accept4 are called instead of the socketcall by defining __ASSUME_*_FOR_*_SYSCALL macros. See recv.c, send.c, accept.c in sysdeps/unix/sysv/linux/ folder. The socketcalls in syscalls.list for s390-64 are removed. They were never used on s390x. ChangeLog: * sysdeps/unix/sysv/linux/s390/kernel-features.h: (__ASSUME_*_SYSCALL) Define new macros. * sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list: Remove socketcall syscalls. * sysdeps/unix/sysv/linux/accept.c (__libc_accept): Use accept4 if defined __ASSUME_ACCEPT4_FOR_ACCEPT_SYSCALL. * sysdeps/unix/sysv/linux/recv.c (__libc_recv): Use recvfrom if defined __ASSUME_RECVFROM_FOR_RECV_SYSCALL. * sysdeps/unix/sysv/linux/send.c (__libc_send): Use sendto if defined __ASSUME_SENDTO_FOR_SEND_SYSCALL.
* Terminate process on invalid netlink response from kernel [BZ #12926]Florian Weimer2015-11-097-1/+121
| | | | | | | | | | | | | | | | | | | | | | | | | The recvmsg system calls for netlink sockets have been particularly prone to picking up unrelated data after a file descriptor race (where the descriptor is closed and reopened concurrently in a multi-threaded process, as the result of a file descriptor management issue elsewhere). This commit adds additional error checking and aborts the process if a datagram of unexpected length (without the netlink header) is received, or an error code which cannot happen due to the way the netlink socket is used. [BZ #12926] Terminate process on invalid netlink response. * sysdeps/unix/sysv/linux/netlinkaccess.h (__netlink_assert_response): Declare. * sysdeps/unix/sysv/linux/netlink_assert_response.c: New file. * sysdeps/unix/sysv/linux/Makefile [$(subdir) == inet] (sysdep_routines): Add netlink_assert_response. * sysdeps/unix/sysv/linux/check_native.c (__check_native): Call __netlink_assert_response. * sysdeps/unix/sysv/linux/check_pf.c (make_request): Likewise. * sysdeps/unix/sysv/linux/ifaddrs.c (__netlink_request): Likewise. * sysdeps/unix/sysv/linux/Versions (GLIBC_PRIVATE): Add __netlink_assert_response.
* Simplify the abilist formatFlorian Weimer2015-11-06360-92535/+91052
| | | | | | | | | | | | | | | The new format lists the version on each line, as in: VERSION SYMBOL TYPE [VALUE] This makes it easier to process the files with line-oriented tools. The abilist files were converted with this awk script: /^[^ ]/ { version = $1 } /^ / { print version, substr($0, 2) } And sorted under the "C" locale with sort.
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-11-07 11:58:43 +0000