| Age | Commit message (Collapse) | Author |
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32-bit SPARC libm should have compat symbols for copysignl
(GLIBC_2.0), fabsl (GLIBC_2.0), fmal (GLIBC_2.1), pointing to the
double functions; they were present in glibc 2.8, for example, but are
now missing, probably when optimized SPARC function implementations
were added without appropriate compat symbol handling. The same
applies to copysignl in libc. This patch restores those compat
symbols.
Tested with build-many-glibcs.py for sparcv9-linux-gnu.
[BZ #22229]
* sysdeps/sparc/sparc32/fpu/s_copysign.S: Include
<math_ldbl_opt.h>
(copysignl): Define as compat symbol at version GLIBC_2_0 for libm
and libc.
* sysdeps/sparc/sparc32/fpu/s_fabs.S: Include <math_ldbl_opt.h>.
(fabsl): Define as compat symbol at version GLIBC_2_0 for libm.
* sysdeps/sparc/sparc32/fpu/s_fma.c: Include <math_ldbl_opt.h>.
(fmal): Define as compat symbol at version GLIBC_2_1 for libm.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_copysign.S:
Include <math_ldbl_opt.h>
(copysignl): Define as compat symbol at version GLIBC_2_0 for libm
and libc.
(compat_symbol): Undefine and redefine.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabs.S: Include
<math_ldbl_opt.h>
(fabsl): Define as compat symbol at version GLIBC_2_0 for libm.
(compat_symbol): Undefine and redefine.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fma.c
[HAVE_AS_VIS3_SUPPORT]: Include <math_ldbl_opt.h>.
[HAVE_AS_VIS3_SUPPORT] (fmal): Define as compat symbol at version
GLIBC_2_1 for libm.
* sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist: Add
GLIBC_2.0 copysignl symbol.
* sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Add
GLIBC_2.0 copysignl and fabsl and GLIBC_2.1 fmal symbols.
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For static PIE code, PIC is defined and SHARED is undefined. We
should check SHARED instead PIC for SYSCALL_ERROR_NAME.
* sysdeps/unix/sysv/linux/tile/sysdep.h (SYSCALL_ERROR_NAME):
Check SHARED instead PIC.
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This patch changes the logf, log2f and powf error handling semantics
to only set errno accoring to POSIX rules. New symbol version is
introduced at GLIBC_2.27.
The old wrappers are kept for compat symbols.
ia64 needed assembly change to have the new and compat versioned
symbol map to the same function.
All linux libm abilists are updated.
* math/Versions (logf): New libm symbol at GLIBC_2.27.
(log2f): Likewise.
(powf): Likewise.
* math/w_log2f.c: New file.
* math/w_logf.c: New file.
* math/w_powf.c: New file.
* math/w_log2f_compat.c (__log2f_compat): For compat symbol only.
* math/w_logf_compat.c (__logf_compat): Likewise.
* math/w_powf_compat.c (__powf_compat): Likewise.
* sysdeps/ia64/fpu/e_log2f.S: Add versioned symbols.
* sysdeps/ia64/fpu/e_logf.S: Likewise.
* sysdeps/ia64/fpu/e_powf.S: Likewise.
* sysdeps/unix/sysv/linux/aarch64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/alpha/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/arm/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/hppa/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/i386/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/ia64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/microblaze/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/nios2/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist:
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/sh/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libm.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libm.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilepro/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Likewise.
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Hide internal fadvise64/fallocate64 functions to allow direct access
within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* sysdeps/unix/sysv/linux/posix_fadvise64.c
(__posix_fadvise64_l64): Add Add libc_hidden_proto and
libc_hidden_def.
* sysdeps/unix/sysv/linux/posix_fallocate64.c
(__posix_fallocate64_l64): Likewise.
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Hide internal __sched_setaffinity_new function to allow direct access
within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* sysdeps/unix/sysv/linux/sched_setaffinity.c
(__sched_setaffinity_new): Add libc_hidden_proto and
libc_hidden_def.
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Hide internal __glob64 function to allow direct access within libc.so
and libc.a without using GOT nor PLT.
[BZ #18822]
* include/glob.h (__glob64): Add libc_hidden_proto.
* sysdeps/unix/sysv/linux/glob64.c (__glob64): Add
libc_hidden_def.
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Hide internal __new_getrlimit function to allow direct access within
libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* sysdeps/unix/sysv/linux/getrlimit64.c (__new_getrlimit): Add
attribute_hidden.
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Hide internal __tcgetattr function to allow direct access within libc.so
and libc.a without using GOT nor PLT.
[BZ #18822]
* include/termios.h (__tcgetattr): Add libc_hidden_proto.
* sysdeps/unix/bsd/tcgetattr.c (__tcgetattr): Add
libc_hidden_def.
* sysdeps/unix/sysv/linux/tcgetattr.c (__tcgetattr): Likewise.
* termios/tcgetattr.c (__tcgetattr): Likewise.
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Hide internal __setrlimit function to allow direct access within libc.so
and libc.a without using GOT nor PLT.
[BZ #18822]
* include/sys/resource.h (__setrlimit): Add libc_hidden_proto.
* resource/setrlimit.c (__setrlimit): Add libc_hidden_def.
* sysdeps/mach/hurd/setrlimit.c (__setrlimit): Likewise.
* sysdeps/unix/sysv/linux/setrlimit.c (__setrlimit): Likewise.
* sysdeps/unix/sysv/linux/setrlimit64.c (__GI___setrlimit): New.
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Hide internal __get_sol function to allow direct access within libc.so
and libc.a without using GOT nor PLT.
[BZ #18822]
* sysdeps/unix/sysv/linux/getsourcefilter.c: Include
"getsourcefilter.h".
* sysdeps/unix/sysv/linux/getsourcefilter.h: New file.
* sysdeps/unix/sysv/linux/setsourcefilter.c: Include
"getsourcefilter.h".
(__get_sol): Removed.
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Hide internal __bsd_getpt function to allow direct access within
libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* sysdeps/unix/sysv/linux/getpt.c (__bsd_getpt): Add
attribute_hidden.
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Hide internal __sysinfo function to allow direct access within libc.so and
libc.a without using GOT nor PLT.
[BZ #18822]
* sysdeps/unix/sysv/linux/include/sys/sysinfo.h (__sysinfo): Add
attribute_hidden.
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Hide internal signal functions to allow direct access within libc.so and
libc.a without using GOT nor PLT.
__GI___kill and __GI___sigaltstack are defined when syscalls.list is
used to generate them. Otherwise libc_hidden_def is needed explicitly.
[BZ #18822]
* include/signal.h (__kill): Add libc_hidden_proto.
(__sigblock): Likewise.
(__sigprocmask): Likewise.
(__sigaltstack): Likewise.
* signal/kill.c (__kill): Add libc_hidden_def.
* signal/sigblock.c (__sigblock): Likewise.
* signal/sigprocmask.c (__sigprocmask): Likewise.
* sysdeps/mach/hurd/kill.c (__kill): Likewise.
* sysdeps/mach/hurd/sigaltstack.c (__sigaltstack): Likewise.
* sysdeps/mach/hurd/sigprocmask.c (__sigprocmask): Likewise.
* sysdeps/posix/sigblock.c (__sigblock): Likewise.
* sysdeps/unix/sysv/linux/alpha/sigprocmask.c (__sigprocmask):
Likewise.
* sysdeps/unix/sysv/linux/ia64/sigprocmask.c (__sigprocmask):
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/sigprocmask.c
(__sigprocmask): Likewise.
* sysdeps/unix/sysv/linux/sigprocmask.c (__sigprocmask):
Likewise.
* /sysdeps/unix/sysv/linux/sparc/sparc64/sigprocmask.c
(__sigprocmask): Likewise.
* sysdeps/unix/sysv/linux/x86_64/sigprocmask.c (__sigprocmask):
Likewise.
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Hide internal __mremap function to allow direct access within libc.so and
libc.a without using GOT nor PLT.
__GI___mremap is defined when sysdeps/unix/syscalls.list is used to
generate mremap. Otherwise libc_hidden_def is needed explicitly.
[BZ #18822]
* include/sys/mman.h (__mremap): Add libc_hidden_proto.
* sysdeps/unix/sysv/linux/m68k/mremap.S (__mremap): Add
libc_hidden_def.
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Hide internal __ioctl function to allow direct access within libc.so and
libc.a without using GOT nor PLT.
__GI___ioctl is defined when sysdeps/unix/syscalls.list is used to
generate ioctl. Otherwise libc_hidden_def is needed explicitly.
[BZ #18822]
* include/sys/ioctl.h (__ioctl): Add libc_hidden_proto.
* misc/ioctl.c (__ioctl): Add libc_hidden_def.
* sysdeps/mach/hurd/ioctl.c (__ioctl): Likewise.
* sysdeps/unix/sysv/linux/aarch64/ioctl.S (__ioctl): Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n64/ioctl.S (__ioctl):
Likewise.
* sysdeps/unix/sysv/linux/powerpc/ioctl.c (__ioctl): Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/ioctl.S (__ioctl): Likewise.
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Hide internal sysinfo functions to allow direct access within libc.so
and libc.a without using GOT nor PLT.
[BZ #18822]
* include/sys/sysinfo.h (__get_nprocs_conf): Add
libc_hidden_proto.
(__get_nprocs): Likewise.
(__get_phys_pages): Likewise.
(__get_avphys_pages): Likewise.
(__get_child_max): Add attribute_hidden.
* misc/getsysstats.c (__get_nprocs_conf): Add libc_hidden_def.
(__get_nprocs): Likewise.
(__get_phys_pages): Likewise.
(__get_avphys_pages): Likewise.
* sysdeps/mach/getsysstats.c (__get_nprocs_conf): Add
libc_hidden_def.
(__get_nprocs): Likewise.
(__get_phys_pages): Likewise.
(__get_avphys_pages): Likewise.
* sysdeps/unix/sysv/linux/getsysstats.c (__get_nprocs): Add
libc_hidden_def.
(__get_nprocs_conf): Likewise.
(__get_phys_pages): Likewise.
(__get_avphys_pages): Likewise.
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Mark internal netlink functions with attribute_hidden to allow direct
access within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* sysdeps/unix/sysv/linux/netlinkaccess.h (__netlink_open): Add
attribute_hidden.
(__netlink_close): Likewise.
(__netlink_free_handle): Likewise.
(__netlink_request): Likewise.
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Hide internal __readv and __writev functions to allow direct access
within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* include/sys/uio.h (__readv): Add libc_hidden_proto.
(__writev): Likewise.
* misc/readv.c (__readv): Add libc_hidden_def.
* misc/writev.c (__writev): Likewise.
* sysdeps/posix/readv.c (__readv): Likewise.
* sysdeps/posix/writev.c (__writev): Likewise.
* sysdeps/unix/sysv/linux/readv.c: Include <sys/uio.h>.
(__readv): Likewise.
* sysdeps/unix/sysv/linux/writev.c: Include <sys/uio.h>.
(__writev): Likewise.
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Mark internal dirent functions with attribute_hidden to allow direct
access within libc.so and libc.a without using GOT nor PLT. __readdir64
is hidden with libc_hidden_proto and libc_hidden_def since the exported
readdir64 is an alias of __readdir64.
[BZ #18822]
* include/dirent.h (__opendir): Always add attribute_hidden.
(__fdopendir): Likewise.
(__closedir): Likewise.
(__readdir): Likewise.
(__readdir64): Add libc_hidden_proto.
* sysdeps/mach/hurd/readdir64.c (__readdir64): Add libc_hidden_def.
* sysdeps/unix/sysv/linux/i386/readdir64.c (__readdir64): Likewise.
* sysdeps/unix/sysv/linux/readdir64.c (__readdir64): Likewise.
* sysdeps/unix/sysv/linux/wordsize-64/readdir.c (__GI___readdir64):
New alias.
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Mark internal statfs functions with attribute_hidden to allow direct
access within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* include/sys/statfs.h (__fstatfs): Add attribute_hidden.
(__statfs64): Likewise.
(__fstatfs64): Likewise.
* include/sys/statvfs.h (__statvfs64): Likewise.
(__fstatvfs64): Likewise.
* sysdeps/unix/sysv/linux/pathconf.h (__statfs_link_max): Likewise.
(__statfs_filesize_max): Likewise.
(__statfs_symlinks): Likewise.
(__statfs_chown_restricted): Likewise.
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Mark __internal_statvfs[64] with attribute_hidden to allow direct access
to them within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* sysdeps/unix/sysv/linux/fstatvfs.c: Include "internal_statvfs.h"
instead of <sys/statvfs.h>.
(__internal_statvfs): Removed.
* sysdeps/unix/sysv/linux/fstatvfs64.c Include "internal_statvfs.h"
instead of <sys/statvfs.h>.
(__internal_statvfs64): Removed.
* sysdeps/unix/sysv/linux/internal_statvfs.c: Include
"internal_statvfs.h" instead of <sys/statvfs.h>.
* sysdeps/unix/sysv/linux/internal_statvfs.h: New file.
* sysdeps/unix/sysv/linux/statvfs.c Include "internal_statvfs.h"
instead of <sys/statvfs.h>.
(__internal_statvfs): Removed.
* sysdeps/unix/sysv/linux/statvfs64.c Include "internal_statvfs.h"
instead of <sys/statvfs.h>.
(__internal_statvfs64): Removed.
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Mark internal functions with attribute_hidden to allow direct access to
internal functions within libc.so and libc.a without using GOT nor PLT.
Size comparison of libc.so:
On x86-64:
text data bss dec hex
Before: 1728577 20584 17088 1766249 1af369
After : 1728593 20584 17088 1766265 1af379
The only change is __gconv_release_shlib in iconv/gconv_dl.c is inlined
since it is hidden, which increases the code size of gconv_dl.os by 18
bytes.
On i686:
text data bss dec hex
Before: 1869039 11444 11112 1891595 1cdd0b
After : 1868635 11444 11112 1891191 1cdb77
The code size is decreased by avoiding GOT/PLT for hidden functions.
[BZ #18822]
* iconv/gconv_int.h (__gconv_open): Add attribute_hidden.
(__gconv_close): Likewise.
(__gconv): Likewise.
(__gconv_find_transform): Likewise.
(__gconv_lookup_cache): Likewise.
(__gconv_compare_alias_cache): Likewise.
(__gconv_load_cache): Likewise.
(__gconv_get_path): Likewise.
(__gconv_close_transform): Likewise.
(__gconv_release_cache): Likewise.
(__gconv_find_shlib): Likewise.
(__gconv_release_shlib): Likewise.
(__gconv_get_builtin_trans): Likewise.
(__gconv_compare_alias): Likewise.
* include/dlfcn.h (_dlerror_run): Likewise.
* include/stdio.h (__fortify_fail_abort): Likewise.
* include/time.h (__tz_compute): Likewise.
(__strptime_internal): Likewise.
* intl/gettextP.h (_nl_find_domain): Likewise.
(_nl_load_domain): Likewise.
(_nl_find_msg): Likewise.
* intl/plural-exp.h (FREE_EXPRESSION): Likewise.
(EXTRACT_PLURAL_EXPRESSION): Likewise.
* locale/coll-lookup.h (__collidx_table_lookup): Likewise.
* resolv/gai_misc.h (__gai_enqueue_request): Likewise.
(__gai_find_request): Likewise.
(__gai_remove_request): Likewise.
(__gai_notify): Likewise.
(__gai_notify_only): Likewise.
* sysdeps/generic/aio_misc.h (__aio_sigqueue): Likewise.
* sysdeps/generic/ldsodefs.h (_dl_fini): Likewise.
(_dl_non_dynamic_init): Likewise.
(_dl_aux_init): Likewise.
* sysdeps/i386/machine-gmon.h (mcount_internal): Likewise.
* sysdeps/unix/sysv/linux/i386/olddirent.h (__old_getdents64):
Likewise.
* wcsmbs/wcsmbsload.h (__wcsmbs_load_conv): Likewise.
(__wcsmbs_clone_conv): Likewise.
(__wcsmbs_named_conv): Likewise.
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__setcontext on hppa.
* sysdeps/unix/sysv/linux/hppa/getcontext.S (__getcontext): Save return
pointer in frame.
* sysdeps/unix/sysv/linux/hppa/setcontext.S (__setcontext): Likewise.
Correct offset used to restore PIC register.
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[BZ libc/22165]
* sysdeps/unix/sysv/linux/hppa/getcontext.S (__getcontext): Use PIC
code to load address of __getcontext_ret when generating PIC code.
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Fix
../sysdeps/unix/sysv/linux/ifaddrs.c:835:27: error: ‘getifaddrs’ aliased to undefined symbol ‘__getifaddrs’
weak_alias (__getifaddrs, getifaddrs)
^
../sysdeps/unix/sysv/linux/ifaddrs.c:844:28: error: ‘freeifaddrs’ aliased to undefined symbol ‘__freeifaddrs’
weak_alias (__freeifaddrs, freeifaddrs)
caused by
commit 4009ddc69225d571772aaea597615a0c032e14ab
Author: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Thu Sep 28 00:19:18 2017 +0200
hurd: Fix `getifaddrs' and `freeifaddrs' symbol exposition
* sysdeps/unix/sysv/linux/ifaddrs.c (__getifaddrs): Add
libc_hidden_def.
(__freeifaddrs): Likewise.
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This patch follows commit 5554304f0 (posix: Allow glob to match dangling
symlinks [BZ #866]) by adding a compat symbol that follow previous
semantic of not following dangling symlinks and thus avoiding call
gl_lstat with GLOB_ALTDIRFUNC.
It avoids failure with old binaries that not set the alternate function
pointer for lstat (GNUmake for instance). The following scenario, for
instance, fails with current GNUmake because glibc will access unitialized
memory when calling gl_lstat:
$ cat src/t/t.c
int main ()
{
return 0;
}
$ cat Makefile
SRC = $(wildcard src/*/t.c)
OBJ = $(patsubst src/%.c, obj/%.o, $(SRC))
prog: $(OBJ)
$(CC) $(CFLAGS) $(LDFLAGS) $(LIBS) $(OBJ) -o prog
obj/%.o: src/%.c
$(CC) $(CFLAGS) -c $< -o $@
$ make
This works as expected with the patch applied. Since it is for generic
ABI, default compat symbols are added with override for Linux due LFS.
Now we have two compat symbols for glob on Linux:
1. sysdeps/unix/sysv/linux/oldglob.c which implements glob64 with
the old dirent layout. For this implementation I also set it to
not follow dangling symlinks (which is the safest path).
2. sysdeps/unix/sysv/linux/glob{64}-lstat-compat.c which implements
the compat symbol for dangling symlinks. As for generic glob,
the implementation uses XSTAT_IS_XSTAT64 to define whether
both __glob_lstat_compat and __glob64_lstat_compat should be
different implementations. For archictures that define
XSTAT_IS_XSTAT64, __glob_lstat_compat is aliased to
__glob64_lstat_compat.
3. sysdeps/unix/sysv/linux/alpha/oldglob.c with a different glob_t
layout. As for 1. this patch changes it to not follow dangling
symlinks.
The patch also bumps _GNU_GLOB_INTERFACE_VERSION to 2 to advertise the
new semantic. On GNUmake, for instance, it will force to it use its
internal glob implementation instead and avoiding triggering the same
failure on builds against newer GLIBCs.
Checked on x86_64-linux-gnu and i686-linux-gnu. I also checked
with a build against the major ABIs required to check for the abilist.
The changes should also work on gnulib (I run gnulib-tool.py check glob
and it shown no regressions).
[BZ #22183]
* include/gnu-versions.h (_GNU_GLOB_INTERFACE_VERSION): Increase
version to 2.
* posix/Makefile (routines): Add glob-lstat-compat and
glob64-lstat-compat.
* posix/Versions (GLIBC_2.27, glob, glob64): Add symbol version.
* posix/glob-lstat-compat.c: New file.
* posix/glob64-lstat-compat.c: Likewise.
* posix/tst-glob_lstat_compat.c: Likewise.
* sysdeps/unix/sysv/linux/glob-lstat-compat.c: Likewise.
* sysdeps/unix/sysv/linux/alpha/glob-lstat-compat.c: Likewise.
* sysdeps/unix/sysv/linux/glob64-lstat-compat.c: Likewise.
* sysdeps/unix/sysv/linux/alpha/glob.c: Remove file.
* posix/glob.c (glob_lstat): New function.
(glob): Rename to __glob and add versioned symbol to 2.27.
(glob_in_dir): Use glob_lstat.
* posix/glob64.c (glob64): Add GLOB_ATTRIBUTE.
* sysdeps/unix/sysv/linux/arm/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/glob.c (glob): Add versioned symbol for
2.27.
* sysdeps/unix/sysv/linux/glob64.c (glob64): Likewise.
* sysdeps/unix/sysv/linux/oldglob.c (GLOB_NO_LSTAT): Define.
* sysdeps/unix/sysv/linux/alpha/oldglob.c (__old_glob): Do not use
gl_lstat on glob call.
* sysdeps/unix/sysv/linux/aarch64/libc.abilist: Add GLIBC_2.27 glob
and glob64 symbols.
* sysdeps/unix/sysv/linux/alpha/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/hppa/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/i386/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/ia64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/microblaze/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/nios2/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist:
Likewise.
* sysdeps/unix/linux/powerpc/powerpc32/nofpu/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sh/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/tile/tilepro/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist: Likewise.
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This patch changes the expf and exp2f error handling semantics to only
set errno accoring to POSIX rules. New symbol version is introduced at
GLIBC_2.27.
The old wrappers are kept for compat symbols.
Internal calls to __expf now get the new error semantics, this seems to
only affect sysdeps/i386/fpu/s_expm1f.S where the errno-only behaviour
should be correct.
ia64 needed assembly change to have the new and compat versioned symbol
map to the same function.
All linux libm abilists are updated.
* math/Versions (expf): New libm symbol at GLIBC_2.27.
(exp2f): Likewise.
* math/w_exp2f.c: New file.
* math/w_expf.c: New file.
* math/w_exp2f_compat.c (__exp2f_compat): For compat symbol only.
* math/w_expf_compat.c (__expf_compat): Likewise.
* sysdeps/ia64/fpu/e_exp2f.S: Add versioned symbols.
* sysdeps/ia64/fpu/e_expf.S: Likewise.
* sysdeps/unix/sysv/linux/aarch64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/alpha/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/arm/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/hppa/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/i386/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/ia64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/microblaze/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/nios2/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist:
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/sh/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libm.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libm.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilepro/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Likewise.
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The recent fexecve changes broke the build on (at least) alpha (maybe
other configurations, that was the first breakage I saw in my
build-many-glibcs.py run):
In file included from ../sysdeps/unix/sysv/linux/alpha/sysdep.h:29:0,
from ../sysdeps/alpha/nptl/tls.h:31,
from ../include/errno.h:25,
from ../sysdeps/unix/sysv/linux/fexecve.c:18:
../sysdeps/unix/sysv/linux/fexecve.c: In function 'fexecve':
../sysdeps/unix/alpha/sysdep.h:203:10: error: 'sizeof' on array function parameter 'argv' will return size of 'char * const*' [-Werror=sizeof-array-argument]
(sizeof(arg) == 4 ? (long)(int)(long)(arg) : (long)(arg))
^
../sysdeps/unix/alpha/sysdep.h:302:26: note: in expansion of macro 'syscall_promote'
register long _tmp_18 = syscall_promote (arg3); \
^~~~~~~~~~~~~~~
../sysdeps/unix/alpha/sysdep.h:173:2: note: in expansion of macro 'inline_syscall5'
inline_syscall##nr(__NR_##name, args); \
^~~~~~~~~~~~~~
../sysdeps/unix/sysv/linux/alpha/sysdep.h:85:2: note: in expansion of macro 'INLINE_SYSCALL1'
INLINE_SYSCALL1(name, nr, args); \
^~~~~~~~~~~~~~~
../sysdeps/unix/sysv/linux/fexecve.c:42:3: note: in expansion of macro 'INLINE_SYSCALL'
INLINE_SYSCALL (execveat, 5, fd, "", argv, envp, AT_EMPTY_PATH);
^~~~~~~~~~~~~~
../sysdeps/unix/sysv/linux/fexecve.c:33:30: note: declared here
fexecve (int fd, char *const argv[], char *const envp[])
^~~~
This patch fixes this similarly to previous fixes for such issues: use
&argv[0] and &envp[0] as the syscall macro arguments. Tested
(compilation only) for alpha-linux-gnu with build-many-glibcs.py.
* sysdeps/unix/sysv/linux/fexecve.c (fexecve) [__NR_execveat]:
Explicitly take address of first element of array arguments in
call to INLINE_SYSCALL.
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By using execveat we no longer depend on /proc. The execveat syscall was
introduced in 3.19, except for a few late comers.
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This patch fixes the compat glob implementation consolidation from
commit 116f1c64d with the following changes:
- Add a compat implementation on s390 to avoid the architecture
to build the symbols on default linux oldglob.c by setting
GLOB_NO_OLD_VERSION.
- Remove the duplicate rule to build oldglob on alpha.
Checked on s390-linux-gnu and alpha-linux-gnu using build-many-glibc.py.
* sysdeps/unix/sysv/linux/s390/s390-32/oldglob.c: New file.
* sysdeps/unix/sysv/linux/alpha/Makefile
[$(subdir) = csu] (sysdep_routines): Remove rule.
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* manual/tunables.texi (glibc.tune.cpu): Add thunderx2t99 and
thunderx2t99p1 to list of cpu names.
* sysdeps/unix/sysv/linux/aarch64/cpu-features.c (cpu_list):
Add thunderx2t99 and thunderx2t99p1 entries to cpu_list.
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* sysdeps/unix/sysv/linux/aarch64/cpu-features.c (get_midr_from_mcpu):
Use strcmp instead of tunable_is_name.
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This patch adds new interfaces (F_GET_RW_HINT etc., and associated
RW[FH]_WRITE_LIFE_*) from Linux 4.13 to bits/fcntl-linux.h
(conditional on __USE_GNU).
Tested for x86_64.
* sysdeps/unix/sysv/linux/bits/fcntl-linux.h [__USE_GNU]
(F_GET_RW_HINT): New macro.
[__USE_GNU] (F_SET_RW_HINT): Likewise.
[__USE_GNU] (F_GET_FILE_RW_HINT): Likewise.
[__USE_GNU] (F_SET_FILE_RW_HINT): Likewise.
[__USE_GNU] (RWF_WRITE_LIFE_NOT_SET): Likewise.
[__USE_GNU] (RWH_WRITE_LIFE_NONE): Likewise.
[__USE_GNU] (RWH_WRITE_LIFE_SHORT): Likewise.
[__USE_GNU] (RWH_WRITE_LIFE_MEDIUM): Likewise.
[__USE_GNU] (RWH_WRITE_LIFE_LONG): Likewise.
[__USE_GNU] (RWH_WRITE_LIFE_EXTREME): Likewise.
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While reviewing Linux 4.13 for glibc header changes needed, I noticed
that bits/fcntl-linux.h was missing F_ADD_SEALS etc. from Linux 3.17.
I didn't find any discussion indicating this omission is deliberate.
Now, these interfaces can only be used with file descriptors created
with memfd_create, and we don't have a memfd_create wrapper in glibc
(a patch was submitted in October 2014, albeit without documentation /
tests, and discussions continued over the next few months, but without
consensus on whether to add the interface - and we still lack any
general consensus on syscall wrappers), but I don't think that's a
reason to exclude the constants from bits/fcntl-linux.h (especially as
the header does not look compatible with simultaneously including
linux/fcntl.h).
(Some of those 2014/2015 discussions raised concerns about difficulty
using the memfd_create / sealing interface, but those seem to me more
like a question of whether it should be part of the OS-independent GNU
API - in my view, even fairly specialized syscalls ought to have
wrappers added to glibc if not obsolescent, but there may be cases
where we only want to include them in the Linux-specific API and
anything in the OS-independent GNU API should be different - rather
than being relevant to whether constants for use with fcntl should
appear in headers.)
* sysdeps/unix/sysv/linux/bits/fcntl-linux.h [__USE_GNU]
(F_ADD_SEALS): New macro.
[__USE_GNU] (F_GET_SEALS): Likewise.
[__USE_GNU] (F_SEAL_SEAL): Likewise.
[__USE_GNU] (F_SEAL_SHRINK): Likewise.
[__USE_GNU] (F_SEAL_GROW): Likewise.
[__USE_GNU] (F_SEAL_WRITE): Likewise.
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This patch consolidates the glob implementation. The main changes are:
* On Linux all implementation now uses the default one at
sysdeps/unix/sysv/linux/glob{free}{64}.c with the exception
of alpha (which requires specific versioning) and s390-32 (which
different than other 32 bits ports it does not add a compat one
symbol for 2.1 version).
* The default implementation uses XSTAT_IS_XSTAT64 to define whether
both glob{free} and glob{free}64 should be different implementations.
For archictures that define XSTAT_IS_XSTAT64, glob{free} is an alias
to glob{free}64.
* Move i386 olddirent.h header to Linux default directory, since it is
the only header with this name and it is shared among different
architectures (and used on compat glob symbol as well).
Checked on x86_64-linux-gnu and on a build using build-many-glibcs.py
for all major architectures.
* sysdeps/unix/sysv/linux/arm/glob64.c: Remove file.
* sysdeps/unix/sysv/linux/i386/glob64.c: Likewise.
* sysdeps/unix/sysv/linux/m68k/glob64.c: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n64/glob64.c: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n64/globfree64.c: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/glob64.c: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/glob64.c: Likewise.
* sysdeps/unix/sysv/linux/wordsize-64/glob64.c: Likewise.
* sysdeps/unix/sysv/linux/wordsize-64/globfree64.c: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/glob.c: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/globfree.c: Likewise.
* sysdeps/wordsize-64/glob.c: Likewise.
* sysdeps/wordsize-64/glob64.c: Likewise.
* sysdeps/wordsize-64/globfree64.c: Likewise.
* sysdeps/unix/sysv/linux/glob.c: New file.
* sysdeps/unix/sysv/linux/glob64.c: Likewise.
* sysdeps/unix/sysv/linux/globfree.c: Likewise.
* sysdeps/unix/sysv/linux/globfree64.c: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/glob64.c: Likewise.
* sysdeps/unix/sysv/linux/oldglob.c [SHLIB_COMPAT]: Also
adds !GLOB_NO_OLD_VERSION as an extra condition.
* sysdeps/unix/sysv/linux/i386/alphasort64.c: Include olddirent.h
using relative path instead of absolute one.
* sysdeps/unix/sysv/linux/i386/getdents64.c: Likewise.
* sysdeps/unix/sysv/linux/i386/readdir64.c: Likewise.
* sysdeps/unix/sysv/linux/i386/readdir64_r.c: Likewise.
* sysdeps/unix/sysv/linux/i386/versionsort64.c: Likewise.
* sysdeps/unix/sysv/linux/i386/olddirent.h: Move to ...
* sysdeps/unix/sysv/linux//olddirent.h: ... here.
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This patch syncs posix/glob.c implementation with gnulib version
b5ec983 (glob: simplify symlink detection). The only difference
to gnulib code is
* DT_UNKNOWN, DT_DIR, and DT_LNK definition in the case there
were not already defined. Gnulib code which uses
HAVE_STRUCT_DIRENT_D_TYPE will redefine them wrongly because
GLIBC does not define HAVE_STRUCT_DIRENT_D_TYPE. Instead
the patch check for each definition instead.
Also, the patch requires additional globfree and globfree64 files
for compatibility version on some architectures. Also the code
simplification leads to not macro simplification (not need for
NO_GLOB_PATTERN_P anymore).
Checked on x86_64-linux-gnu and on a build using build-many-glibcs.py
for all major architectures.
[BZ #1062]
* posix/Makefile (routines): Add globfree, globfree64, and
glob_pattern_p.
* posix/flexmember.h: New file.
* posix/glob_internal.h: Likewise.
* posix/glob_pattern_p.c: Likewise.
* posix/globfree.c: Likewise.
* posix/globfree64.c: Likewise.
* sysdeps/gnu/globfree64.c: Likewise.
* sysdeps/unix/sysv/linux/alpha/globfree.c: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n64/globfree64.c: Likewise.
* sysdeps/unix/sysv/linux/oldglob.c: Likewise.
* sysdeps/unix/sysv/linux/wordsize-64/globfree64.c: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/globfree.c: Likewise.
* sysdeps/wordsize-64/globfree.c: Likewise.
* sysdeps/wordsize-64/globfree64.c: Likewise.
* posix/glob.c (HAVE_CONFIG_H): Use !_LIBC instead.
[NDEBUG): Remove comments.
(GLOB_ONLY_P, _AMIGA, VMS): Remove define.
(dirent_type): New type. Use uint_fast8_t not
uint8_t, as C99 does not require uint8_t.
(DT_UNKNOWN, DT_DIR, DT_LNK): New macros.
(struct readdir_result): Use dirent_type. Do not define skip_entry
unless it is needed; this saves a byte on platforms lacking d_ino.
(readdir_result_type, readdir_result_skip_entry):
New functions, replacing ...
(readdir_result_might_be_symlink, readdir_result_might_be_dir):
these functions, which were removed. This makes the callers
easier to read. All callers changed.
(D_INO_TO_RESULT): Now empty if there is no d_ino.
(size_add_wrapv, glob_use_alloca): New static functions.
(glob, glob_in_dir): Check for size_t overflow in several places,
and fix some size_t checks that were not quite right.
Remove old code using SHELL since Bash no longer
uses this.
(glob, prefix_array): Separate MS code better.
(glob_in_dir): Remove old Amiga and VMS code.
(globfree, __glob_pattern_type, __glob_pattern_p): Move to
separate files.
(glob_in_dir): Do not rely on undefined behavior in accessing
struct members beyond their bounds. Use a flexible array member
instead
(link_stat): Rename from link_exists2_p and return -1/0 instead of
0/1. Caller changed.
(glob): Fix memory leaks.
* posix/glob64 (globfree64): Move to separate file.
* sysdeps/gnu/glob64.c (NO_GLOB_PATTERN_P): Remove define.
(globfree64): Remove hidden alias.
* sysdeps/unix/sysv/linux/Makefile (sysdeps_routines): Add
oldglob.
* sysdeps/unix/sysv/linux/alpha/glob.c (__new_globfree): Move to
separate file.
* sysdeps/unix/sysv/linux/i386/glob64.c (NO_GLOB_PATTERN_P): Remove
define.
Move compat code to separate file.
* sysdeps/wordsize-64/glob.c (globfree): Move definitions to
separate file.
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This patch adds the new SOL_TLS constant from Linux 4.13 to the Linux
bits/socket.h.
Tested for x86_64.
* sysdeps/unix/sysv/linux/bits/socket.h (SOL_TLS): New macro.
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Hide internal __chmod and __mkdir functions to allow direct access
within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* include/sys/stat.h (__chmod): Add libc_hidden_proto.
(__mkdir): Likewise.
* io/chmod.c (__chmod): Add libc_hidden_def.
* io/mkdir.c (__mkdir): Likewise.
* sysdeps/mach/hurd/chmod.c (__chmod): Likewise.
* sysdeps/mach/hurd/mkdir.c (__mkdir): Likewise.
* sysdeps/unix/sysv/linux/generic/chmod.c (__chmod): Likewise.
* sysdeps/unix/sysv/linux/generic/mkdir.c (__mkdir): Likewise.
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As far as I can tell Linux 4.13 does not add any new syscalls not
included in syscall-names.list. This patch updates the version number
in that file accordingly.
* sysdeps/unix/sysv/linux/syscall-names.list: Update kernel
version to 4.13.
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* sysdeps/unix/sysv/linux/gentempfd.c: Include <string.h>.
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This patch adds O_TMPFILE support to tmpfile on Linux. This is
similar to the previous suggestion by Andreas Schwab [1] with the
difference the file descriptor creation is parameterized to
compartmentalize Linux only open flags (O_TMPFILE) on sysdeps.
Checked on x86_64-linux-gnu.
Adhemerval Zanella <adhemerval.zanella@linaro.org>
Andreas Schwab <schwab@suse.de>
[BZ #21530]
* include/stdio.h (__gen_tempfd): New function.
* stdio-common/Makefile (routines): Add gentempfd.
* stdio-common/gentempfd.c: New file.
* sysdeps/unix/sysv/linux/gentempfd.c: Likewise.
* stdio-common/tmpfile.c (tmpfile): First try to use a system specific
unnamed file first.
[1] https://sourceware.org/ml/libc-alpha/2017-06/msg01293.html
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The NO_CANCELLATION macro is used currently on generic headers to
define non cancellable syscalls and on Linux fcntl to implement the non
cancellable variation. Former should be single-handled by not-cancel.h
header and former could be simplified build both cancellable and non
cancellable for default objects and alias the non-cancellable to default
one for rtld ones (since Linux already support cancellation as default).
This patch thus removes the NO_CANCELLATION macro and its usage. The
generic non cancellable fcntl is route to internal fcntl.
Checked on x86_64-linux-gnu and i686-linux-gnu. Also checked with
a build again major ABIs.
* sysdeps/generic/not-cancel.h (NO_CANCELLATION): Remove macro.
* sysdeps/unix/sysv/linux/aarch64/sysdep-cancel.h (NO_CANCELLATION):
Likewise.
* sysdeps/unix/sysv/linux/alpha/sysdep-cancel.h (NO_CANCELLATION):
Likewise.
* sysdeps/unix/sysv/linux/arm/sysdep-cancel.h (NO_CANCELLATION):
Likewise.
* sysdeps/unix/sysv/linux/hppa/sysdep-cancel.h (NO_CANCELLATION):
Likewise.
* sysdeps/unix/sysv/linux/i386/sysdep-cancel.h (NO_CANCELLATION):
Likewise.
* sysdeps/unix/sysv/linux/ia64/sysdep-cancel.h (NO_CANCELLATION):
Likewise.
* sysdeps/unix/sysv/linux/m68k/sysdep-cancel.h (NO_CANCELLATION):
Likewise.
* sysdeps/unix/sysv/linux/microblaze/sysdep-cancel.h
(NO_CANCELLATION): Likewise.
* sysdeps/unix/sysv/linux/mips/sysdep-cancel.h (NO_CANCELLATION):
Likewise.
* sysdeps/unix/sysv/linux/nios2/sysdep-cancel.h (NO_CANCELLATION):
Likewise.
* sysdeps/unix/sysv/linux/powerpc/sysdep-cancel.h (NO_CANCELLATION):
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/sysdep-cancel.h
(NO_CANCELLATION): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/sysdep-cancel.h
(NO_CANCELLATION): Likewise.
* sysdeps/unix/sysv/linux/sh/sysdep-cancel.h (NO_CANCELLATION):
Likewise
* sysdeps/unix/sysv/linux/sparc/sysdep-cancel.h (NO_CANCELLATION):
Likewise.
* sysdeps/unix/sysv/linux/tile/sysdep-cancel.h (NO_CANCELLATION):
Likewise.
* sysdeps/unix/sysv/linux/x86_64/sysdep-cancel.h (NO_CANCELLATION):
Likewise.
* sysdeps/unix/sysv/linux/not-cancel.h (__fcntl_nocancel): Add
hidden prototype.
* sysdeps/unix/sysv/linux/fcntl.c (__fcntl_nocancel): Define only
for !IS_IN (rtld) and remove NO_CANCELLATION usage.
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This patch completes the ucontext.h namespace fixes by fixing issues
related to the use of struct sigcontext as mcontext_t, and inclusion
of <bits/sigcontext.h> even when struct sigcontext is not so used.
Inclusion of <bits/sigcontext.h> by <sys/ucontext.h> is removed; the
way to get the sigcontext structure is by including <signal.h> (in a
context where __USE_MISC is defined); the sysdeps/generic version of
sys/ucontext.h keeps the inclusion by necessity, with a comment about
how this is not namespace-clean, but the only configuration that used
it, MicroBlaze, gets its own version of the header in this patch.
Where mcontext_t was typedefed to struct sigcontext, the contents of
struct sigcontext are inserted (with appropriate namespace handling to
prefix fields with __ when __USE_MISC is not defined); review should
check that this has been done correctly in each case, whether the
definition of struct sigcontext comes from glibc headers or from the
Linux kernel. This changes C++ name mangling on affected
architectures (which do not include x86_64/x86).
Tested for x86_64, and with build-many-glibcs.py.
2017-08-14 Joseph Myers <joseph@codesourcery.com>
[BZ #21457]
* sysdeps/arm/sys/ucontext.h: Do not include <bits/sigcontext.h>.
* sysdeps/generic/sys/ucontext.h: Add comment about use of struct
sigcontext and namespace requirements.
* sysdeps/i386/sys/ucontext.h: Do not include <bits/sigcontext.h>.
* sysdeps/m68k/sys/ucontext.h: Likewise.
* sysdeps/mips/sys/ucontext.h: Likewise. Include <bits/types.h>.
* sysdeps/unix/sysv/linux/aarch64/sys/ucontext.h: Do not include
<bits/sigcontext.h>.
(__ctx): Define earlier.
(mcontext_t): Define structure contents rather than using struct
sigcontext.
* sysdeps/unix/sysv/linux/aarch64/ucontext_i.sym (oEXTENSION): Use
__glibc_reserved1 instead of __reserved.
* sysdeps/unix/sysv/linux/alpha/sys/ucontext.h: Do not include
<bits/sigcontext.h>.
(__ctx): Define earlier.
(mcontext_t): Define structure contents rather than using struct
sigcontext.
* sysdeps/unix/sysv/linux/alpha/ucontext-offsets.sym: Use
mcontext_t instead of struct sigcontext.
* sysdeps/unix/sysv/linux/arm/sys/ucontext.h: Do not include
<bits/sigcontext.h>.
(__ctx): Define earlier.
(mcontext_t): Define structure contents rather than using struct
sigcontext.
* sysdeps/unix/sysv/linux/hppa/sys/ucontext.h: Do not include
<bits/sigcontext.h>.
(__ctx): Define earlier.
(mcontext_t): Define structure contents rather than using struct
sigcontext.
* sysdeps/unix/sysv/linux/ia64/makecontext.c (__makecontext): Use
mcontext_t instead of struct sigcontext.
* sysdeps/unix/sysv/linux/ia64/sigcontext-offsets.sym: Use
mcontext_t instead of struct sigcontext.
* sysdeps/unix/sysv/linux/ia64/sys/ucontext.h: Do not include
<bits/sigcontext.h>.
(__ctx): New macro.
(struct __ia64_fpreg_mcontext): New type.
(mcontext_t): Define structure contents rather than using struct
sigcontext.
(_SC_GR0_OFFSET): Use mcontext_t instead of struct sigcontext.
(uc_sigmask): Define using __ctx.
(uc_stack): Likewise.
* sysdeps/unix/sysv/linux/ia64/sys/procfs.h: Include
<bits/sigcontext.h>.
* sysdeps/unix/sysv/linux/ia64/sys/ptrace.h: Likewise.
* sysdeps/unix/sysv/linux/m68k/sys/ucontext.h: Do not include
<bits/sigcontext.h>.
* sysdeps/unix/sysv/linux/microblaze/sys/ucontext.h: New file.
* sysdeps/unix/sysv/linux/mips/sys/ucontext.h: Do not include
<bits/sigcontext.h>.
* sysdeps/unix/sysv/linux/nios2/sys/ucontext.h: Do not include
<bits/sigcontext.h>.
* sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h: Do not include
<bits/sigcontext.h>.
* sysdeps/unix/sysv/linux/s390/sys/ucontext.h: Do not include
<bits/sigcontext.h>.
* sysdeps/unix/sysv/linux/sh/sys/ucontext.h: Do not include
<bits/sigcontext.h>.
* sysdeps/unix/sysv/linux/sparc/sys/ucontext.h: Do not include
<bits/sigcontext.h>.
* sysdeps/unix/sysv/linux/tile/sys/ucontext.h: Do not include
<bits/sigcontext.h>.
(__ctx): Define earlier.
(mcontext_t): Define structure contents rather than using struct
sigcontext.
* sysdeps/unix/sysv/linux/x86/sys/ucontext.h: Do not include
<bits/sigcontext.h>. Include <bits/types.h>.
* conform/Makefile (test-xfail-XPG42/signal.h/conform): Remove.
(test-xfail-XPG42/sys/wait.h/conform): Likewise.
(test-xfail-XPG42/ucontext.h/conform): Likewise.
(test-xfail-UNIX98/signal.h/conform): Likewise.
(test-xfail-UNIX98/sys/wait.h/conform): Likewise.
(test-xfail-UNIX98/ucontext.h/conform): Likewise.
(test-xfail-XOPEN2K/signal.h/conform): Likewise.
(test-xfail-XOPEN2K/sys/wait.h/conform): Likewise.
(test-xfail-XOPEN2K/ucontext.h/conform): Likewise.
(test-xfail-POSIX2008/signal.h/conform): Likewise.
(test-xfail-POSIX2008/sys/wait.h/conform): Likewise.
(test-xfail-XOPEN2K8/signal.h/conform): Likewise.
(test-xfail-XOPEN2K8/sys/wait.h/conform): Likewise.
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