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2019-09-18S390: Add support for HP_TIMING_NOW.Stefan Liebler1-0/+4
This patch adds support for HP_TIMING_NOW if we build at least with -march=z10 -mzarch. Otherwise we are still using the generic hp-timing.h. ChangeLog: * sysdeps/s390/hp-timing.h: New file.
2019-09-18Fix RISC-V vfork build with Linux 5.3 kernel headers.Joseph Myers1-0/+7
Building glibc for RISC-V with Linux 5.3 kernel headers fails because <linux/sched.h>, included in vfork.S for CLONE_* constants, contains a structure definition not safe for inclusion in assembly code. All other architectures already avoid use of that header in vfork.S, either defining the CLONE_* constants locally or embedding the required values directly in the relevant instruction, where they implement vfork using the clone syscall (see the implementations for aarch64, ia64, mips and nios2). This patch makes the RISC-V version define the constants locally like the other architectures. Tested build for all three RISC-V configurations in build-many-glibcs.py with Linux 5.3 headers. * sysdeps/unix/sysv/linux/riscv/vfork.S: Do not include <linux/sched.h>. (CLONE_VM): New macro. (CLONE_VFORK): Likewise.
2019-09-18Add UNSUPPORTED check in elf/tst-pldd.Stefan Liebler1-0/+9
The testcase forks a child process and runs pldd with PID of this child. On systems where /proc/sys/kernel/yama/ptrace_scope differs from zero, pldd will fail with /usr/bin/pldd: cannot attach to process 3: Operation not permitted This patch checks if ptrace_scope exists, is zero "classic ptrace permissions" or one "restricted ptrace". If ptrace_scope exists and has a higher restriction, then the test is marked as UNSUPPORTED. The case "restricted ptrace" is handled by rearranging the processes involved during the test. Now we have the following process tree: -parent: do_test (performs output checks) --subprocess 1: pldd_process (becomes pldd via execve) ---subprocess 2: target_process (ptraced via pldd) ChangeLog: * elf/tst-pldd.c (do_test): Add UNSUPPORTED check. Rearrange subprocesses. (pldd_process): New function. * support/Makefile (libsupport-routines): Add support_ptrace. * support/xptrace.h: New file. * support/support_ptrace.c: Likewise.
2019-09-17sparc64: Use linux generic time implementationAdhemerval Zanella1-0/+2
There is no need to sparc64 provide an arch-specific implementation to route to POSIX one (which uses gettimeofday). Linux one already handles the case for architecture that does not have __NR_time. No semantic changes, checked against a build for sparc64-linux-gnu. * sysdeps/unix/sysv/linux/sparc/sparc64/time.c: Remove file.
2019-09-17mips: Consolidate INTERNAL_VSYSCALL_CALLAdhemerval Zanella1-0/+9
This patch consolidates the mips, mips64, and mips64-n32 INTERNAL_VSYSCALL_CALL on a single implementation. No semantic changes. I checked against a build for mips-linux-gnu, mips64-linux-gnu, and mips64-n32-linux-gnu. * sysdeps/unix/sysv/linux/mips/mips32/sysdep.h (INTERNAL_VSYSCALL_CALL): Remove. * sysdeps/unix/sysv/linux/mips/mips64/n32/sysdep.h (INTERNAL_VSYSCALL_CALL): Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n64/sysdep.h (INTERNAL_VSYSCALL_CALL): Likewise. * sysdeps/unix/sysv/linux/mips/sysdep.h (INTERNAL_VSYSCALL_CALL): New macro.
2019-09-17powerpc: Simplify vsyscall internal macrosAdhemerval Zanella1-0/+21
This patch simplifies the powerpc internal macros for vDSO calls by: - Removing INTERNAL_VSYSCALL_NO_SYSCALL_FALLBACK, used solely on get_timebase_freq. - Adjust INTERNAL_VSYSCALL_CALL_TYPE powerpc32 to follow powerpc64 argument ordering. - Use HAVE_*_VSYSCALL instead of explicit strings. - Make powerpc libc-vdso.h include generic implementation. No semantic change expected, checked on powerpc-linux-gnu-power4, powerpc64-linux-gnu, and powerpc64le-linux-gnu. * sysdeps/unix/sysv/linux/libc-vdso.h (VDSO_IFUNC_RET): Define if not defined. * sysdeps/unix/sysv/linux/powerpc/get_timebase_freq.c (__get_timebase_freq): Remove use of INTERNAL_VSYSCALL_NO_SYSCALL_FALLBACK. (get_timebase_freq_fallback): New symbol. * sysdeps/unix/sysv/linux/powerpc/gettimeofday.c (time): Use HAVE_GETTIMEOFDAY_VSYSCALL. * sysdeps/unix/sysv/linux/powerpc/time.c (gettimeofday): Use HAVE_TIME_VSYSCALL. * sysdeps/unix/sysv/linux/powerpc/libc-vdso.h: Include generic implementation. * sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h (INTERNAL_VSYSCALL_CALL_TYPE): Make calling convention similar to powerpc64. (INTERNAL_VSYSCALL_NO_SYSCALL_FALLBACK): Remove macro. * .../sysv/linux/powerpc/powerpc64/sysdep.h (INTERNAL_VSYSCALL_NO_SYSCALL_FALLBACK): Likewise. * sysdeps/unix/sysv/linux/powerpc/sysdep.h (HAVE_GETTIMEOFDAY_VSYSCALL): Define.
2019-09-17Refactor vDSO initialization codeAdhemerval Zanella1-0/+60
Linux vDSO initialization code the internal function pointers require a lot of duplicated boilerplate over different architectures. This patch aims to simplify not only the code but the required definition to enable a vDSO symbol. The changes are: 1. Consolidate all init-first.c on only one implementation and enable the symbol based on HAVE_*_VSYSCALL existence. 2. Set the HAVE_*_VSYSCALL to the architecture expected names string. 3. Add a new internal implementation, get_vdso_mangle_symbol, which returns a mangled function pointer. Currently the clock_gettime, clock_getres, gettimeofday, getcpu, and time are handled in an arch-independent way, powerpc still uses some arch-specific vDSO symbol handled in a specific init-first implementation. Checked on aarch64-linux-gnu, arm-linux-gnueabihf, i386-linux-gnu, mips64-linux-gnu, powerpc64le-linux-gnu, s390x-linux-gnu, sparc64-linux-gnu, and x86_64-linux-gnu. * sysdeps/powerpc/powerpc32/backtrace.c (is_sigtramp_address, is_sigtramp_address_rt): Use HAVE_SIGTRAMP_{RT}32 instead of SHARED. * sysdeps/powerpc/powerpc64/backtrace.c (is_sigtramp_address): Likewise. * sysdeps/unix/sysv/linux/aarch64/init-first.c: Remove file. * sysdeps/unix/sysv/linux/aarch64/libc-vdso.h: Likewise. * sysdeps/unix/sysv/linux/arm/init-first.c: Likewise. * sysdeps/unix/sysv/linux/arm/libc-vdso.h: Likewise. * sysdeps/unix/sysv/linux/mips/init-first.c: Likewise. * sysdeps/unix/sysv/linux/mips/libc-vdso.h: Likewise. * sysdeps/unix/sysv/linux/i386/init-first.c: Likewise. * sysdeps/unix/sysv/linux/riscv/init-first.c: Likewise. * sysdeps/unix/sysv/linux/riscv/libc-vdso.h: Likewise. * sysdeps/unix/sysv/linux/s390/init-first.c: Likewise. * sysdeps/unix/sysv/linux/s390/libc-vdso.h: Likewise. * sysdeps/unix/sysv/linux/sparc/init-first.c: Likewise. * sysdeps/unix/sysv/linux/sparc/libc-vdso.h: Likewise. * sysdeps/unix/sysv/linux/x86/libc-vdso.h: Likewise. * sysdeps/unix/sysv/linux/x86_64/init-first.c: Likewise. * sysdeps/unix/sysv/linux/aarch64/sysdep.h (HAVE_CLOCK_GETRES_VSYSCALL, HAVE_CLOCK_GETTIME_VSYSCALL, HAVE_GETTIMEOFDAY_VSYSCALL): Define value based on kernel exported name. * sysdeps/unix/sysv/linux/arm/sysdep.h (HAVE_CLOCK_GETTIME_VSYSCALL, HAVE_GETTIMEOFDAY_VSYSCALL): Likewise. * sysdeps/unix/sysv/linux/i386/sysdep.h (HAVE_CLOCK_GETTIME_VSYSCALL, HAVE_GETTIMEOFDAY_VSYSCALL): Likewise. * sysdeps/unix/sysv/linux/mips/sysdep.h (HAVE_CLOCK_GETTIME_VSYSCALL, HAVE_GETTIMEOFDAY_VSYSCALL): Likewise. * sysdeps/unix/sysv/linux/powerpc/sysdep.h (HAVE_CLOCK_GETRES_VSYSCALL, HAVE_CLOCK_GETTIME_VSYSCALL, HAVE_GETCPU_VSYSCALL, HAVE_TIME_VSYSCALL, HAVE_GET_TBFREQ, HAVE_SIGTRAMP_RT64, HAVE_SIGTRAMP_32, HAVE_SIGTRAMP_RT32i, HAVE_GETTIMEOFDAY_VSYSCALL): Likewise. * sysdeps/unix/sysv/linux/riscv/sysdep.h (HAVE_CLOCK_GETRES_VSYSCALL, HAVE_CLOCK_GETTIME_VSYSCALL, HAVE_GETTIMEOFDAY_VSYSCALL, HAVE_GETCPU_VSYSCALL): Likewise. * sysdeps/unix/sysv/linux/s390/sysdep.h (HAVE_CLOCK_GETRES_VSYSCALL, HAVE_CLOCK_GETTIME_VSYSCALL, HAVE_GETTIMEOFDAY_VSYSCALL, HAVE_GETCPU_VSYSCALL): Likewise. * sysdeps/unix/sysv/linux/sparc/sysdep.h (HAVE_CLOCK_GETTIME_VSYSCALL, HAVE_GETTIMEOFDAY_VSYSCALL): Likewise. * sysdeps/unix/sysv/linux/x86_64/sysdep.h (HAVE_CLOCK_GETTIME_VSYSCALL, HAVE_GETTIMEOFDAY_VSYSCALL, HAVE_GETCPU_VSYSCALL): Likewise. * sysdeps/unix/sysv/linux/dl-vdso.h (VDSO_NAME, VDSO_HASH): Define to invalid names if architecture does not define them. (get_vdso_mangle_symbol): New symbol. * sysdeps/unix/sysv/linux/init-first.c: New file. * sysdeps/unix/sysv/linux/libc-vdso.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/init-first.c (gettimeofday, clock_gettime, clock_getres, getcpu, time): Remove declaration. (__libc_vdso_platform_setup_arch): Likewise and use get_vdso_mangle_symbol to setup vDSO symbols. (sigtramp_rt64, sigtramp32, sigtramp_rt32, get_tbfreq): Add attribute_hidden. * sysdeps/unix/sysv/linux/powerpc/libc-vdso.h: Likewise. * sysdeps/unix/sysv/linux/sysdep-vdso.h (VDSO_SYMBOL): Remove definition.
2019-09-17Remove PREPARE_VERSION and PREPARE_VERSION_KNOWAdhemerval Zanella1-0/+60
This patch removes the PREPARE_VERSION and PREPARE_VERSION_KNOW macro and uses a static inline function instead, get_vdso_symbol. Each architecture that supports vDSO must define the Linux version and its hash for symbol resolution (VDSO_NAME and VDSO_HASH macro respectively). It also organizes the HAVE_*_VSYSCALL for mips, powerpc, and s390 to define them on a common header. The idea is to require less code to configure and enable vDSO support for newer ports. No semantic changes are expected. Checked with a build against all affected architectures. * sysdeps/unix/make-syscalls.sh: Make vDSO call use get_vdso_symbol. * sysdeps/unix/sysv/linux/aarch64/gettimeofday.c (__gettimeofday): Use get_vdso_symbol instead of _dl_vdso_vsym. * sysdeps/unix/sysv/linux/powerpc/time.c (time): Likewise. * sysdeps/unix/sysv/linux/riscv/flush-icache.c (__lookup_riscv_flush_icache): Likewise. * sysdeps/unix/sysv/linux/x86/gettimeofday.c (__gettimeofday): Likewise. * sysdeps/unix/sysv/linux/x86/time.c (time): Likewise. * sysdeps/unix/sysv/linux/powerpc/gettimeofday.c: Likewise. * sysdeps/unix/sysv/linux/aarch64/init-first.c: Likewise. * sysdeps/unix/sysv/linux/arm/init-first.c: Likewise. * sysdeps/unix/sysv/linux/i386/init-first.c: Likewise. * sysdeps/unix/sysv/linux/mips/init-first.c: Likewise. * sysdeps/unix/sysv/linux/powerpc/init-first.c: Likewise. * sysdeps/unix/sysv/linux/riscv/init-first.c: Likewise. * sysdeps/unix/sysv/linux/sparc/init-first.c: Likewise. * sysdeps/unix/sysv/linux/s390/init-first.c: Likewise. * sysdeps/unix/sysv/linux/x86_64/init-first.c: Likewise. * sysdeps/unix/sysv/linux/aarch64/sysdep.h (VDSO_NAME, VDSO_HASH): Define. * sysdeps/unix/sysv/linux/arm/sysdep.h (VDSO_NAME, VDSO_HASH): Likewise. * sysdeps/unix/sysv/linux/i386/sysdep.h (VDSO_NAME, VDSO_HASH): Likewise. * sysdeps/unix/sysv/linux/riscv/sysdep.h (VDSO_NAME, VDSO_HASH): Likewise. * sysdeps/unix/sysv/linux/sparc/sysdep.h (VDSO_NAME, VDSO_HASH): Likewise. * sysdeps/unix/sysv/linux/x86_64/sysdep.h (VDSO_NAME, VDSO_HASH): Likewise. * sysdeps/unix/sysv/linux/mips/mips32/sysdep.h (HAVE_CLOCK_GETTIME_VSYSCALL, HAVE_GETTIMEOFDAY_VSYSCALL): Remove definition. * sysdeps/unix/sysv/linux/mips/mips64/n32/sysdep.h (HAVE_CLOCK_GETTIME_VSYSCALL, HAVE_GETTIMEOFDAY_VSYSCALL): Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n64/sysdep.h (HAVE_CLOCK_GETTIME_VSYSCALL, HAVE_GETTIMEOFDAY_VSYSCALL): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h (HAVE_CLOCK_GETTIME_VSYSCALL, HAVE_GETTIMEOFDAY_VSYSCALL): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep.h (HAVE_CLOCK_GETTIME_VSYSCALL, HAVE_GETTIMEOFDAY_VSYSCALL): Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h (HAVE_CLOCK_GETRES_VSYSCALL, HAVE_CLOCK_GETTIME_VSYSCALL, HAVE_GETTIMEOFDAY_VSYSCALL, HAVE_GETCPU_VSYSCALL): Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h (HAVE_CLOCK_GETRES_VSYSCALL, HAVE_CLOCK_GETTIME_VSYSCALL, HAVE_GETTIMEOFDAY_VSYSCALL, HAVE_GETCPU_VSYSCALL): Likewise. * sysdeps/unix/sysv/linux/mips/sysdep.h: New file. * sysdeps/unix/sysv/linux/powerpc/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/s390/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/dl-vdso.h (PREPARE_VERSION, PREPARE_VERSION_KNOWN, VDSO_NAME_LINUX_2_6, VDSO_HASH_LINUX_2_6, VDSO_NAME_LINUX_2_6_15, VDSO_HASH_LINUX_2_6_15, VDSO_NAME_LINUX_2_6_29, VDSO_HASH_LINUX_2_6_29, VDSO_NAME_LINUX_4_15, VDSO_HASH_LINUX_4_15): Remove defines. (get_vdso_symbol): New function.
2019-09-17Fix small error in HP_TIMING_PRINT trailing null char settingChung-Lin Tang1-0/+5
Fix a small error in the HP_TIMING_PRINT trailing zero setting; the '\0' should be set at MIN(Len,string length), instead of always at the 'Len' position. * sysdeps/generic/hp-timing-common.h (HP_TIMING_PRINT): Correct position of string null termination. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
2019-09-14alpha: force old OSF1 syscalls for getegid, geteuid and getppid [BZ #24986]Aurelien Jarno1-0/+10
On alpha, Linux kernel 5.1 added the standard getegid, geteuid and getppid syscalls (commit ecf7e0a4ad15287). Up to now alpha was using the corresponding OSF1 syscalls through: - sysdeps/unix/alpha/getegid.S - sysdeps/unix/alpha/geteuid.S - sysdeps/unix/alpha/getppid.S When building against kernel headers >= 5.1, the glibc now use the new syscalls through sysdeps/unix/sysv/linux/syscalls.list. When it is then used with an older kernel, the corresponding 3 functions fail. A quick fix is to move the OSF1 wrappers under the sysdeps/unix/sysv/linux/alpha directory so they override the standard linux ones. A better fix would be to try the new syscalls and fallback to the old OSF1 in case the new ones fail. This can be implemented in a later commit. Changelog: [BZ #24986] * sysdeps/unix/alpha/getegid.S: Move to ... * sysdeps/unix/sysv/linux/alpha/getegid.S: ... here. * sysdeps/unix/alpha/geteuid.S: Move to ... * sysdeps/unix/sysv/linux/alpha/geteuid.S: ... here. * sysdeps/unix/alpha/getppid.S: Move to ... * sysdeps/unix/sysv/linux/alpha/getppid.S: ... here
2019-09-09Fix http: URL in 'configure'Paul Eggert1-0/+5
* configure.ac: Add URL to AC_INIT so that it generates an https: URL instead of an http: URL. * configure: Regenerate.
2019-09-09Regenerate charmap-kw.h, locfile-kw.hPaul Eggert1-5/+19
This propagates the recent http->https URL changes. Since I used gperf 3.1 to regenerate, this is also a minor internal-to-localedef API change. URL problem reported by Joseph Myers in: https://www.sourceware.org/ml/libc-alpha/2019-09/msg00143.html * locale/programs/charmap-kw.h, locale/programs/locfile-kw.h: Regenerate with gperf 3.1. * locale/programs/linereader.h (kw_hash_fct_t): * locale/programs/repertoire.c (repertoiremap_hash): 2nd arg is now size_t not unsigned, for compatibility with gperf 3.1.
2019-09-05locale: Avoid zero-length array in _nl_category_names [BZ #24962]Florian Weimer1-0/+14
The union wrapper is unnecessary because C allows to read any object as a sequence of chars. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
2019-09-05math: Replace const attribute with pure in totalorder* functionsGabriel F. T. Gomes1-0/+5
Since the commit commit 42760d764649ad82f5fe45a26cbdf2c2500409f7 Author: Joseph Myers <joseph@codesourcery.com> Date: Thu Aug 15 15:18:34 2019 +0000 Make totalorder and totalordermag functions take pointer arguments. the test case math/test-totalorderl-ldbl-128ibm fails on every input pair, when compiled with -O2, which is the case for glibc test suite. Debugging showed that the test case is passing arguments incorrectly to totalorderl. This can also be inferred by the fact that compiling the test case with -O0 hides the bug. The documentation for the const attribute in GCC manual reads: Note that a function that has pointer arguments and examines the data pointed to must not be declared const if the pointed-to data might change between successive invocations of the function. In general, since a function cannot distinguish data that might change from data that cannot, const functions should never take pointer or, in C++, reference arguments. Likewise, a function that calls a non-const function usually must not be const itself. Since the pointed-to data is likely to be changed by user code between invocations of totalorder*, this patch removes the const attribute from the declarations of all totalorder functions, replacing it with the pure attribute, as suggested in the manual: The pure attribute imposes similar but looser restrictions on a function’s definition than the const attribute: pure allows the function to read any non-volatile memory, even if it changes in between successive invocations of the function. Tested for powerpc64le and x86_64.
2019-09-04y2038: Introduce the __ASSUME_TIME64_SYSCALLS defineLukasz Majewski1-0/+5
Add a macro to linux/kernel-features.h, __ASSUME_TIME64_SYSCALLS, to indicate whether the kernel can be assumed to provide a set of system calls that process 64-bit time_t. __ASSUME_TIME64_SYSCALLS does not indicate whether time_t is actually 64 bits (that's __TIMEBITS) and also does not indicate whether the 64-bit time_t system calls have "time64" suffixes on their names. Code that uses __ASSUME_TIME64_SYSCALLS will be added in subsequent patches. * sysdeps/unix/sysv/linux/kernel-features.h (__ASSUME_TIME64_SYSCALLS): New macro. Reviewed-by: Alistair Francis <alistair23@gmail.com> Reviewed-by: Joseph Myers <joseph@codesourcery.com> Reviewed-by: Zack Weinberg <zackw@panix.com>
2019-09-04Finish move of clock_* functions to libc. [BZ #24959]Zack Weinberg1-0/+104
In glibc 2.17, the functions clock_getcpuclockid, clock_getres, clock_gettime, clock_nanosleep, and clock_settime were moved from librt.so to libc.so, leaving compatibility stubs behind. Now that the dynamic linker no longer insists on finding versioned symbols in the same library that originally defined them, we do not need the stubs anymore, and this means we don't need GLIBC_PRIVATE __-prefix aliases for most of the functions anymore either. (clock_gettime still needs one.) For ports added before 2.17, libc.so needs to provide two symbol versions for each, the default at GLIBC_2.17 plus a compat version matching what librt had. While I'm at it, move the clock_*.c files and their tests from rt/ to time/.
2019-09-03Update Alpha libm-test-ulpsAurelien Jarno1-0/+4
Changelog: * sysdeps/alpha/fpu/libm-test-ulps: Regenerated using GCC 9.2.
2019-09-03localedef: Use initializer for flexible array member [BZ #24950]Florian Weimer1-0/+8
struct charseq used a zero-length array instead of a flexible array member. This required a strange construct to initialize struct charseq objects, and GCC 10 warns about that: cc1: error: writing 1 byte into a region of size 0 [-Werror=stringop-overflow=] In file included from programs/repertoire.h:24, from programs/localedef.h:32, from programs/ld-ctype.c:35: programs/charmap.h:63:17: note: destination object declared here 63 | unsigned char bytes[0]; | ^~~~~ cc1: error: writing 1 byte into a region of size 0 [-Werror=stringop-overflow=] programs/charmap.h:63:17: note: destination object declared here cc1: error: writing 1 byte into a region of size 0 [-Werror=stringop-overflow=] programs/charmap.h:63:17: note: destination object declared here cc1: error: writing 1 byte into a region of size 0 [-Werror=stringop-overflow=] programs/charmap.h:63:17: note: destination object declared here The change makes the object physically const, but it is not expected to be modified.
2019-09-02Add misc/tst-mntent-autofs, testing autofs "ignore" filteringFlorian Weimer1-0/+5
2019-09-02Use autofs "ignore" mount hint in getmntent_r/getmntentIan Kent1-0/+8
Historically autofs mounts were not included in mount table listings. This is the case in other SysV autofs implementations and was also the case with Linux autofs. But now that /etc/mtab is a symlink to the proc filesystem mount table the autofs mount entries appear in the mount table on Linux. Prior to the symlinking of /etc/mtab mount table it was sufficient to call mount(2) and simply not update /etc/mtab to exclude autofs mounts from mount listings. Also, with the symlinking of /etc/mtab we have seen a shift in usage toward using the proc mount tables directly. But the autofs mount entries need to be retained when coming from the proc file system for applications that need them (largely autofs file system users themselves) so filtering out these entries within the kernel itself can't be done. So it needs be done in user space. There are three reasons to omit the autofs mount entries. One is that certain types of auto-mounts have an autofs mount for every entry in their autofs mount map and these maps can be quite large. This leads to mount table listings containing a lot of unnecessary entries. Also, this change in behaviour between autofs implementations can cause problems for applications that use getmntent(3) in other OS implementations as well as Linux. Lastly, there's very little that user space can do with autofs mount entries since this must be left to the autofs mount owner, typically the automount daemon. But it can also lead to attempts to access automount managed paths resulting mounts being triggered when they aren't needed or mounts staying mounted for much longer thay they need be. While the point of this change ins't to help with these problems (and it can be quite a problem) it may be a welcome side effect. So the Linux autofs file system has been modified to accept a pseudo mount option of "ignore" (as is used in other OS implementations) so that user space can use this as a hint to skip autofs entries on reading the mount table. The Linux autofs automount daemon used getmntent(3) itself and has been modified to use the proc file system directly so that it can "ignore" mount option. The use of this mount option is opt-in and a configuration option has been added which defaults to not use this option so if there are applications that need these entries, other than autofs itself, they can be retained. Also, since this filtering is based on an added mount option earlier versions of Linux autofs iand other autofs file system users will not use the option and so won't be affected by the change.
2019-08-30Use generic memset/memcpy/memmove in benchtestsWilco Dijkstra1-0/+16
Use the generic C memset/memcpy/memmove in benchtests since comparing against a slow byte-oriented implementation makes no sense. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org> 2019-08-29 Wilco Dijkstra <wdijkstr@arm.com> * benchtests/bench-memcpy.c (simple_memcpy): Remove. (generic_memcpy): Include generic C memcpy. * benchtests/bench-memmove.c (simple_memmove): Remove. (generic_memmove): Include generic C memmove. * benchtests/bench-memset.c (simple_memset): Remove. (generic_memset): Include generic C memset. * benchtests/bench-memset-large.c (simple_memset): Remove. (generic_memset): Include generic C memset. * benchtests/bench-memset-walk.c (simple_memset): Remove. (generic_memset): Include generic C memset. * string/memcpy.c (MEMCPY): Add defines to enable redirection. * string/memset.c (MEMSET): Likewise. * sysdeps/x86_64/memcopy.h: Remove empty file.
2019-08-30nptl: Move pthread_attr_getinheritsched implementation into libcFlorian Weimer1-0/+67
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
2019-08-30hurd: Fix SS_ONSTACK supportSamuel Thibault1-0/+5
* sysdeps/mach/hurd/i386/sigreturn.c (__sigreturn2): New function, unlocks SS and returns to the saved PC. (__sigreturn): Do not unlock SS, and "return" into __sigreturn2 on the thread stack instead of the saved PC.
2019-08-30hurd: Remove optimizing anonymous maps as __vm_allocate.Samuel Thibault1-0/+4
Optimizing anonymous maps brings bugs, and does not optimize much anyway. [BZ #19903] * sysdeps/mach/hurd/mmap.c (__mmap): Remove optimizing anonymous maps as __vm_allocate.
2019-08-30hurd: Fix poll and select POSIX compliancy details about errorsSamuel Thibault1-0/+15
This fixes the following: - On error, poll must not return without polling, including EBADF, and instead report POLLHUP/POLLERR/POLLNVAL - Select must report EBADF if some set contains an invalid FD. The idea is to move error management to after all select calls, in the poll/select final treatment. The error is instead recorded in a new `error' field, and a new SELECT_ERROR bit set. Thanks Svante Signell for the initial version of the patch. * hurd/hurdselect.c (SELECT_ERROR): New macro. (_hurd_select): - Add `error' field to `d' structures array. - If a poll descriptor is bogus, set EBADF, but continue with a zero timeout. - Go through the whole fd_set, not only until _hurd_dtablesize. Return EBADF there is any bit set above _hurd_dtablesize. - Do not request io_select on bogus descriptors (SELECT_ERROR). - On io_select request error, record the error. - On io_select bogus reply, use EIO error code. - On io_select bogus or error reply, record the error. - Do not destroy reply port for bogus FDs. - On error, make poll set POLLHUP in the EPIPE case, POLLNVAL in the EBADF case, or else POLLERR. - On error, make select simulated readiness.
2019-08-30hurd: Fix timeout handling in _hurd_selectRichard Braun1-1/+8
Rely on servers to implement timeouts, so that very short values (including 0) don't make mach_msg return before valid replies can be received. The purpose of this scheme is to guarantee a full client-server round-trip, whatever the timeout value. This change depends on the new io_select_timeout RPC being implemented by servers. * hurd/Makefile (user-interfaces): Add io_reply and io_request. * hurd/hurdselect.c: Include <sys/time.h>, <hurd/io_request.h> and <limits.h>. (_hurd_select): Replace the call to __io_select with either __io_select_request or __io_select_timeout_request, depending on the timeout. Count the number of ready descriptors (replies for which at least one type bit is set). Implement the timeout locally when there is no file descriptor.
2019-08-30hurd getcwd: Allow unknown root directorySamuel Thibault1-1/+9
To be efficient, the remap translator simply returns ports from the underlying filesystem, and thus the root directory found through browsing '..' is the underlying root, not the remap root. This should not be a reason for getcwd to fail. * sysdeps/mach/hurd/getcwd.c (_hurd_canonicalize_directory_name_internal): Do not remove the heading slash if we got an unknown root directory. (__getcwd): Do not fail with EGRATUITOUS if we got an unknown root directory.
2019-08-30hurd: Fix implementation of setitimer.Samuel Thibault1-0/+1
The preemptor sigcode doesn't match since the POSIX sigcode SI_TIMER is used when SIGALRM is sent. In addition, The inline version of hurd_preempt_signals doesn't update _hurdsig_preempted_set. For these reasons, the preemptor would be skipped by post_signal. * sysdeps/mach/hurd/setitimer.c (setitimer_locked): Fix preemptor setup.
2019-08-30hurd: Fix _hurd_select for single fd setsRichard Braun1-0/+5
The function attempts to optimize this case by performing one IPC system call with the timeout included among the parameters, but in the absence of a reply, it will call mach_msg again with the same timeout later, effectively doubling the total timeout of the select/poll call. Remove this optimization for the time being. * hurd/hurdselect.c (_hurd_select): Always call __io_select with no timeout.
2019-08-29MIPS support for GNU hashMihailo Stojanovic1-0/+21
This patch is a reimplementation of [1], which was submitted back in 2015. Copyright issue has been sorted [2] last year. It proposed a new section (.gnu.xhash) and related dynamic tag (GT_GNU_XHASH). The new section would be virtually identical to the existing .gnu.hash except for the translation table (xlat) which would contain correct MIPS .dynsym indexes corresponding to the hashvals in chains. This is because MIPS ABI imposes a different ordering of the dynsyms than the one expected by the .gnu.hash section. Another addition would be a leading word at the beggining of the section, which would contain the number of entries in the translation table. In this patch, the new section name and dynamic tag are changed to reflect the fact that the section should be treated as MIPS specific (.MIPS.xhash and DT_MIPS_XHASH). This patch addresses the alignment issue reported in [3] which is caused by the leading word of the .MIPS.xhash section. Leading word is now removed in the corresponding binutils patch, and the number of entries in the translation table is computed using DT_MIPS_SYMTABNO dynamic tag. Since the MIPS specific dl-lookup.c file was removed following the initial patch submission, I opted for the definition of three new macros in the generic ldsodefs.h. ELF_MACHINE_GNU_HASH_ADDRIDX defines the index of the dynamic tag in the l_info array. ELF_MACHINE_HASH_SYMIDX is used to calculate the index of a symbol in GNU hash. On MIPS, it is defined to look up the symbol index in the translation table. ELF_MACHINE_XHASH_SETUP is defined for MIPS only. It initializes the .MIPS.xhash pointer in the link_map_machine struct. The other major change is bumping the highest EI_ABIVERSION value for MIPS to suggest that the dynamic linker now supports GNU hash. The patch was tested by running the glibc testsuite for the three MIPS ABIs (o32, n32 and n64) and for x86_64-linux-gnu. [1] https://sourceware.org/ml/binutils/2015-10/msg00057.html [2] https://sourceware.org/ml/binutils/2018-03/msg00025.html [3] https://sourceware.org/ml/binutils/2016-01/msg00006.html * elf/dl-addr.c (determine_info): Calculate the symbol index using the newly defined ELF_MACHINE_HASH_SYMIDX macro. * elf/dl-lookup.c (do_lookup_x): Ditto. (_dl_setup_hash): Initialize MIPS xhash translation table. * elf/elf.h (SHT_MIPS_XHASH): New define. (DT_MIPS_XHASH): New define. * sysdeps/generic/ldsodefs.h (ELF_MACHINE_GNU_HASH_ADDRIDX): New define. (ELF_MACHINE_HASH_SYMIDX): Ditto. (ELF_MACHINE_XHASH_SETUP): Ditto. * sysdeps/mips/ldsodefs.h (ELF_MACHINE_GNU_HASH_ADDRIDX): New define. (ELF_MACHINE_HASH_SYMIDX): Ditto. (ELF_MACHINE_XHASH_SETUP): Ditto. * sysdeps/mips/linkmap.h (struct link_map_machine): New member. * sysdeps/unix/sysv/linux/mips/ldsodefs.h: Increment valid ABI version. * sysdeps/unix/sysv/linux/mips/libc-abis: New ABI version.
2019-08-29sh: Split BE/LE abilistAdhemerval Zanella1-0/+12
The fix for BZ#18231 requires new symbols only for sh4eb. This patch adds the required folder and files for both BE and LE abilist. No semantic changes are expected. Checked with check-abi for sh4eb-linux-gnu and sh4-linux-gnu. * sysdeps/sh/preconfigure.ac: New file. * sysdeps/sh/preconfigure: Regenerate. * sysdeps/sh/be/sh3/Implies: New file. * sysdeps/sh/be/sh4/Implies: Likewise. * sysdeps/sh/le/sh3/Implies: Likewise. * sysdeps/sh/le/sh4/Implies: Likewise. * sysdeps/unix/sysv/linux/sh/le/sh3/Implies: Likewise. * sysdeps/unix/sysv/linux/sh/le/sh4/Implies: Likewise. * sysdeps/unix/sysv/linux/sh/*.abilist: Move to sysdeps/unix/sysv/linux/sh/le/*.abilist. * sysdeps/unix/sysv/linux/sh/be/*.abilist: New files.
2019-08-29microblaze: Split BE/LE abilistAdhemerval Zanella1-0/+10
The fix for BZ#18231 requires new symbols only for microblaze. This patch adds the required folder and files for both BE and LE abilist. No semantic changes are expected. Checked with check-abi for microblaze-linux-gnueabihf and microblazeel-linux-gnueabihf. * sysdeps/microblaze/preconfigure.ac: New file. * sysdeps/microblaze/preconfigure: Regenerate. * sysdeps/microblaze/be/implies: New file. * sysdeps/microblaze/le/implies: Likewise. * sysdeps/unix/sysv/linux/microblaze/be/implies: Likewise. * sysdeps/unix/sysv/linux/microblaze/le/implies: Likewise. * sysdeps/unix/sysv/linux/microblaze/*.abilist. Move to sysdeps/unix/sysv/linux/microblaze/be/*.abilist. * sysdeps/unix/sysv/linux/microblaze/le/*.abilist: New files.
2019-08-29arm: Split BE/LE abilistAdhemerval Zanella1-0/+15
The fix for BZ#18231 requires new symbols only for armeb. This patch adds the required folder and files for both BE and LE abilist. No semantic changes are expected. Checked with check-abi for arm-linux-gnueabihf and armeb-linux-gnueabihf. * sysdeps/arm/preconfigure.ac: Set machine based on endianness. * sysdeps/arm/preconfigure: Regenerate. * sysdeps/arm/be/Implies: New file. * sysdeps/arm/be/armv6/Implies: Likewise. * sysdeps/arm/be/armv6t2/Implies: Likewise. * sysdeps/arm/be/armv7/Implies: Likewise. * sysdeps/arm/le/Implies: Likewise. * sysdeps/unix/sysv/linux/arm/be/Implies: Likewise. * sysdeps/unix/sysv/linux/arm/le/Implies: Likewise. * sysdeps/unix/sysv/linux/arm/*.abilist: Move to sysdeps/unix/sysv/linux/arm/le/*.abilist. * sysdeps/unix/sysv/linux/arm/be/l*.abilist: New files.
2019-08-29Correct the spelling of more contributorsPaul Eggert1-48/+48
Correct the spellings of Rafael Ávila de Espíndola, Uroš Bizjak, Alexandra Hájková, and Rafał Lużyński.
2019-08-29Fix posix/tst-regex by using UTF-8 and own test inputPaul Eggert1-0/+11
Problem reported by Stefan Liebler in: https://sourceware.org/ml/libc-alpha/2019-08/msg00658.html * posix/tst-regex.c: Convert this file from Latin-1 to UTF-8. (do_test, test_expr): Adjust to the fact that this source file, and the test data in ChangeLog.8, is now UTF-8 instead of Latin-1. * posix/tst-regex.input: Copy from ChangeLog.old/ChangeLog.8, so that it is now UTF-8.
2019-08-28[powerpc] fegetenv_status: simplify instruction generationPaul A. Clarke1-0/+5
fegetenv_status() wants to use the lighter weight instruction 'mffsl' for reading the Floating-Point Status and Control Register (FPSCR). It currently will use it directly if compiled '-mcpu=power9', and will perform a runtime check (cpu_supports("arch_3_00")) otherwise. Nicely, it turns out that the 'mffsl' instruction will decode to 'mffs' on architectures older than "arch_3_00" because the additional bits set for 'mffsl' are "don't care" for 'mffs'. 'mffs' is a superset of 'mffsl'. So, just generate 'mffsl'.
2019-08-28[powerpc] fesetenv: optimize FPSCR accessPaul A. Clarke1-0/+6
fesetenv() reads the current value of the Floating-Point Status and Control Register (FPSCR) to determine the difference between the current state of exception enables and the newly requested state. All of these bits are also returned by the lighter weight 'mffsl' instruction used by fegetenv_status(). Use that instead. Also, remove a local macro _FPU_MASK_ALL in favor of a common macro, FPU_ENABLES_MASK from fenv_libc.h. Finally, use a local variable ('new') in favor of a pointer dereference ('*envp').
2019-08-28[powerpc] SET_RESTORE_ROUND improvementsPaul A. Clarke1-0/+8
SET_RESTORE_ROUND uses libc_feholdsetround_ppc_ctx and libc_feresetround_ppc_ctx to bracket a block of code where the floating point rounding mode must be set to a certain value. For the *prologue*, libc_feholdsetround_ppc_ctx is used and performs: 1. Read/save FPSCR. 2. Create new value for FPSCR with new rounding mode and enables cleared. 3. If new value is different than current value, a. If transitioning from a state where some exceptions enabled, enter "ignore exceptions / non-stop" mode. b. Write new value to FPSCR. c. Put a mark on the wall indicating the FPSCR was changed. (1) uses the 'mffs' instruction. On POWER9, the lighter weight 'mffsl' instruction can be used, but it doesn't return all of the bits in the FPSCR. fegetenv_status uses 'mffsl' on POWER9, 'mffs' otherwise, and can thus be used instead of fegetenv_register. (3b) uses 'mtfsf 0b11111111' to write the entire FPSCR, so it must instead use 'mtfsf 0b00000011' to write just the enables and the mode, because some of the rest of the bits are not valid if 'mffsl' was used. fesetenv_mode uses 'mtfsf 0b00000011' on POWER9, 'mtfsf 0b11111111' otherwise. For the *epilogue*, libc_feresetround_ppc_ctx checks the mark on the wall, then calls libc_feresetround_ppc, which just calls __libc_femergeenv_ppc with parameters such that it performs: 1. Retreive saved value of FPSCR, saved in prologue above. 2. Read FPSCR. 3. Create new value of FPSCR where: - Summary bits and exception indicators = current OR saved. - Rounding mode and enables = saved. - Status bits = current. 4. If transitioning from some exceptions enabled to none, enter "ignore exceptions / non-stop" mode. 5. If transitioning from no exceptions enabled to some, enter "catch exceptions" mode. 6. Write new value to FPSCR. The summary bits are hardwired to the exception indicators, so there is no need to restore any saved summary bits. The exception indicator bits, which are sticky and remain set unless explicitly cleared, would only need to be restored if the code block might explicitly clear any of them. This is certainly not expected. So, the only bits that need to be restored are the enables and the mode. If it is the case that only those bits are to be restored, there is no need to read the FPSCR. Steps (2) and (3) are unnecessary, and step (6) only needs to write the bits being restored. We know we are transitioning out of "ignore exceptions" mode, so step (4) is unnecessary, and in step (6), we only need to check the state we are entering.
2019-08-28[powerpc] fe{en,dis}ableexcept, fesetmode: optimize FPSCR accessesPaul A. Clarke1-0/+11
Since fe{en,dis}ableexcept() and fesetmode() read-modify-write just the "mode" (exception enable and rounding mode) bits of the Floating Point Status Control Register (FPSCR), the lighter weight 'mffsl' instruction can be used to read the FPSCR (enables and rounding mode), and 'mtfsf 0b00000011' can be used to write just those bits back to the FPSCR. The net is better performance. In addition, fe{en,dis}ableexcept() read the FPSCR again after writing it, or they determine that it doesn't need to be written because it is not changing. In either case, the local variable holds the current values of the enable bits in the FPSCR. This local variable can be used instead of again reading the FPSCR. Also, that value of the FPSCR which is read the second time is validated against the requested enables. Since the write can't fail, this validation step is unnecessary, and can be removed. Instead, the exceptions to be enabled (or disabled) are transformed into available bits in the FPSCR, then validated after being transformed back, to ensure that all requested bits are actually being set. For example, FE_INVALID_SQRT can be requested, but cannot actually be set. This bit is not mapped during the transformations, so a test for that bit being set before and after transformations will show the bit would not be set, and the function will return -1 for failure. Finally, convert the local macros in fesetmode.c to more generally useful macros in fenv_libc.h.
2019-08-28[powerpc] fe{en,dis}ableexcept optimize bit translationsPaul A. Clarke1-0/+9
The exceptions passed to fe{en,dis}ableexcept() are defined in the ABI as a bitmask, a combination of FE_INVALID, FE_OVERFLOW, etc. Within the functions, these bits must be translated to/from the corresponding enable bits in the Floating Point Status Control Register (FPSCR). This translation is currently done bit-by-bit. The compiler generates a series of conditional bit operations. Nicely, the "FE" exception bits are all a uniform offset from the FPSCR enable bits, so the bit-by-bit operation can instead be performed by a shift with appropriate masking.
2019-08-28misc: Use allocate_once in getmntentFlorian Weimer1-0/+8
Both the buffer and struct mntent are now allocated on the heap. This results in a slight reduction of RSS usage. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
2019-08-28nptl: Move pthread_attr_setdetachstate implementation into libcFlorian Weimer1-0/+61
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
2019-08-28login: pututxline could fail to overwrite existing entries [BZ #24902]Florian Weimer1-0/+10
The internal_getut_r function updates the file_offset variable and therefore must always update last_entry as well. Previously, if pututxline could not upgrade the read lock to a write lock, internal_getut_r would update file_offset only, without updating last_entry, and a subsequent call would not overwrite the existing utmpx entry at file_offset, instead creating a new entry. This has been observed to cause unbounded file growth in high-load situations. This commit removes the buffer argument to internal_getut_r and updates the last_entry variable directly, along with file_offset. Initially reported and fixed by Ondřej Lysoněk. Reviewed-by: Gabriel F. T. Gomes <gabrielftg@linux.ibm.com>
2019-08-28Fix posix/tst-regex by using a dedicated input-file.Stefan Liebler1-0/+5
The recent commit e6855a3bdfe147c52b29b5e7d70a95a8aa22ece0 changed the encoding of ChangeLog.old/ChangeLog.8 from ISO-8859 to UTF-8. Unfortunately the test posix/tst-regex assumes the former encoding. Furthermore Francesco Potortì is now written with 'ì' instead of 'i`' which would lead to two further matches in the first call to test_expr. This patch just copies the former ChangeLog.8 file to tst-regex.input and adjusts the test in order to use this new input file. ChangeLog: * posix/tst-regex.c (do_test): Use tst-regex.input as input file. * posix/tst-regex.input: New file.
2019-08-23Fix spellings of contributor names in comments and docPaul Eggert1-3/+3
2019-08-23[MIPS] Raise highest supported EI_ABIVERSION value [BZ #24916]Mihailo Stojanovic1-0/+12
This bumps the highest valid EI_ABIVERSION value to ABSOLUTE ABI. New testcase loads the symbol from the GOT with the "lb" instruction so that the EI_ABIVERSION header field of the shared object is set to ABSOLUTE (it doesn't actually check the value of the symbol), and makes sure that the main executable is executed without "ABI version invalid" error. Tested for all three ABIs (o32, n32, n64) using both static linker which handles undefined weak symbols correctly [1] (and sets the EI_ABIVERSION of the test module) and the one that doesn't (EI_ABIVERSION left as 0). [1] https://sourceware.org/ml/binutils/2018-07/msg00268.html [BZ #24916] * sysdeps/mips/Makefile [$(subdir) = elf] (tests): Add tst-undefined-weak. [$(subdir) = elf] (modules-names): Add tst-undefined-weak-lib. [$(subdir) = elf] ($(objpfx)tst-undefined-weak): Add dependency. * sysdeps/mips/tst-undefined-weak-lib.S: New file. * sysdeps/mips/tst-undefined-weak.c: Likewise. * sysdeps/unix/sysv/linux/mips/ldsodefs.h (VALID_ELF_ABIVERSION): Increment highest valid ABIVERSION value.
2019-08-23mips: Force RWX stack for hard-float builds that can run on pre-4.8 kernelsDragan Mladjenovic1-0/+16
Linux/Mips kernels prior to 4.8 could potentially crash the user process when doing FPU emulation while running on non-executable user stack. Currently, gcc doesn't emit .note.GNU-stack for mips, but that will change in the future. To ensure that glibc can be used with such future gcc, without silently resulting in binaries that might crash in runtime, this patch forces RWX stack for all built objects if configured to run against minimum kernel version less than 4.8. * sysdeps/unix/sysv/linux/mips/Makefile (test-xfail-check-execstack): Move under mips-has-gnustack != yes. (CFLAGS-.o*, ASFLAGS-.o*): New rules. Apply -Wa,-execstack if mips-force-execstack == yes. * sysdeps/unix/sysv/linux/mips/configure: Regenerated. * sysdeps/unix/sysv/linux/mips/configure.ac (mips-force-execstack): New var. Set to yes for hard-float builds with minimum_kernel < 4.8.0 or minimum_kernel not set at all. (mips-has-gnustack): New var. Use value of libc_cv_as_noexecstack if mips-force-execstack != yes, otherwise set to no.
2019-08-23linux: Make profil_counter a compat_symbol (BZ#17726)Adhemerval Zanella1-0/+6
As indicated by Joseph's comment on BZ#17726, this symbol is most likely a historical ABI accident. This patch make it on both arm and sparc ABIs a compat_symbol. Checked against a build arm-linux-gnueabihf, sparcv9-linux-gnu, adn sparc64-linux-gnu to see if the symbol is still present. * gmon/Versions (libc) [GLIBC_2.31]: New entry. * sysdeps/unix/sysv/linux/arm/profil-counter.h (profil_counter): Make a compat_symbol. * sysdeps/unix/sysv/linux/sparc/profil-counter.h (__profil_counter_global): Likewise.
2019-08-23Refactor sigcontextinfo.hAdhemerval Zanella1-0/+72
This patch refactor sigcontextinfo.h header to use SA_SIGINFO as default for both gmon and debug implementations. This allows simplify profil-counter.h on Linux to use a single implementation and remove the requirements for newer ports to redefine __sigaction/sigaction to use SA_SIGINFO. The GET_PC macro is also replaced with a function sigcontext_get_pc that returns an uintptr_t instead of a void pointer. It allows easier convertion to integer on ILP32 architecture, such as x32, without the need to suppress compiler warnings. The patch also requires some refactor of register-dump.h file for some architectures (to reflect it is now called from a sa_sigaction instead of sa_handler signal context). - Alpha, i386, and s390 are straighfoward to take in consideration the new argument type. - ia64 takes in consideration the kernel pass a struct sigcontextt as third argument for sa_sigaction. - sparc take in consideration the kernel pass a pt_regs struct as third argument for sa_sigaction. - m68k dummy function is removed and the FP state is dumped on register_dump itself. - For SH the register-dump.h file is consolidate on a common implementation and the floating-point state is checked based on ownedfp field. The register_dump does not change its output format in any affected architecture. I checked on x86_64-linux-gnu, i686-linux-gnu, aarch64-linux-gnu, arm-linux-gnueabihf, sparcv9-linux-gnu, sparc64-linux-gnu, powerpc-linux-gnu, powerpc64-linux-gnu, and powerpc64le-linux-gnu. I also checked the libSegFault.so through catchsegv on alpha-linux-gnu, m68k-linux-gnu and sh4-linux-gnu to confirm the output has not changed. Adhemerval Zanella <adhemerval.zanella@linaro.org> Florian Weimer <fweimer@redhat.com> * debug/segfault.c (install_handler): Use SA_SIGINFO if defined. * sysdeps/generic/profil-counter.h (__profil_counter): Cast to uintptr_t. * sysdeps/generic/sigcontextinfo.h (GET_PC): Rename to sigcontext_get_pc and return aligned cast to uintptr_t. * sysdeps/mach/hurd/i386/sigcontextinfo.h (GET_PC): Likewise. * sysdeps/posix/profil.c (profil_count): Change PC argument to uintptr_t. (__profil): Use SA_SIGINFO. * sysdeps/posix/sprofil.c (profil_count): Change PCP argument to uintptr_t. (__sprofil): Use SA_SIGINFO. * sysdeps/unix/sysv/linux/profil-counter.h: New file. * sysdeps/unix/sysv/linux/aarch64/profil-counter.h: Remove file. * sysdeps/unix/sysv/linux/csky/profil-counter.h: Likewise. * sysdeps/unix/sysv/linux/hppa/profil-counter.h: Likewise. * sysdeps/unix/sysv/linux/i386/profil-counter.h: Likewise. * sysdeps/unix/sysv/linux/ia64/profil-counter.h: Likewise. * sysdeps/unix/sysv/linux/microblaze/profil-counter.h: Likewise. * sysdeps/unix/sysv/linux/mips/profil-counter.h: Likewise. * sysdeps/unix/sysv/linux/nios2/profil-counter.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/profil-counter.h: Likewise. * sysdeps/unix/sysv/linux/x86_64/profil-counter.h: Likewise. * sysdeps/unix/sysv/linux/riscv/profil-counter.h: Likewise. * sysdeps/sysv/linux/s390/s390-32/profil-counter.h: Likewise. * sysdeps/sysv/linux/s390/s390-64/profil-counter.h: Likewise. * sysdeps/unix/sysv/linux/sh/profil-counter.h: Likewise. * sysdeps/unix/sysv/linux/arm/profil-counter.h (__profil_counter): Assume SA_SIGINFO and use sigcontext_get_pc instead of GET_PC. * sysdeps/unix/sysv/linux/sparc/profil-counter.h: New file. * sysdeps/unix/sysv/linux/sparc/sparc64/profil-counter.h: Remove file. * sysdeps/unix/sysv/linux/sparc/sparc32/profil-counter.h: Likewise. * sysdpes/unix/sysv/linux/aarch64/sigcontextinfo.h (SIGCONTEXT, GET_PC, __sigaction, sigaction): Remove defines. (sigcontext_get_pc): New function. * sysdeps/unix/sysv/linux/alpha/sigcontextinfo.h: Likewise. * sysdeps/unix/sysv/linux/arm/sigcontextinfo.h: Likewise. * sysdeps/unix/sysv/linux/csky/sigcontextinfo.h: Likewise. * sysdeps/unix/sysv/linux/hppa/sigcontextinfo.h: Likewise. * sysdeps/unix/sysv/linux/i386/sigcontextinfo.h: Likewise. * sysdeps/unix/sysv/linux/ia64/sigcontextinfo.h: Likewise. * sysdeps/unix/sysv/linux/m68k/sigcontextinfo.h: Likewise. * sysdeps/unix/sysv/linux/mips/sigcontextinfo.h: Likewise. * sysdeps/unix/sysv/linux/nios2/sigcontextinfo.h: Likewise. * sysdeps/unix/sysv/linux/s390/sigcontextinfo.h: Likewise. * sysdeps/unix/sysv/linux/microblaze/sigcontextinfo.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/sigcontextinfo.h: Likewise. * sysdeps/unix/sysv/linux/riscv/sigcontextinfo.h: Likewise. * sysdeps/unix/sysv/linux/sh/sigcontextinfo.h: Likewise. * sysdeps/sysv/linux/sparc/sparc32/sigcontextinfo.h: Likewise. * sysdeps/sysv/linux/sparc/sparc64/sigcontextinfo.h: Likewise. * sysdeps/unix/sysv/linux/x86_64/sigcontextinfo.h: Likewise. * sysdeps/unix/sysv/linux/alpha/register-dump.h (register_dump): Handle CTX argument as ucontext_t. * sysdeps/unix/sysv/linux/i386/register-dump.h: Likewise. Likewise. * sysdeps/unix/sysv/linux/m68k/register-dump.h: Likewise. * sysdeps/sysv/linux/s390/s390-32/register-dump.h: Likewise. * sysdeps/sysv/linux/s390/s390-64/register-dump.h: Likewise. * sysdeps/unix/sysv/linux/sh/register-dump.h: New file. * sysdeps/unix/sysv/linux/sh/sh4/register-dump.h: Remove File. * sysdeps/unix/sysv/linux/sh/sh3/register-dump.h: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/register-dump.h: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/register-dump.h: Likewise. * sysdeps/unix/sysv/linux/Makefile (tests-internal): Add tst-sigcontextinfo-get_pc. * sysdeps/unix/sysv/linux/tst-sigcontextinfo-get_pc.c: New file. (CFLAGS-tst-sigcontextinfo-get_pc.c): New rule.
2019-08-23Add RTLD_SINGLE_THREAD_P on generic single-thread.hAdhemerval Zanella1-0/+5
* sysdeps/generic/single-thread.h (RTLD_SINGLE_THREAD_P): Add definition.
generated by cgit v1.1 at 2024-10-13 12:17:30 +0000