-commit 0b57daebab36f59af1d2a02616ee636a7b13ba12
-Author: Siddhesh Poyarekar <siddhesh@redhat.com>
-Date: Fri Jan 18 14:16:25 2013 +0530
-
- Fix application of the exception mask
-
- Fixes BZ #14496.
-
-diff --git a/sysdeps/i386/fpu/fenv_private.h b/sysdeps/i386/fpu/fenv_private.h
-index 03f4c97..1f8336c 100644
---- a/sysdeps/i386/fpu/fenv_private.h
-+++ b/sysdeps/i386/fpu/fenv_private.h
-@@ -176,7 +176,7 @@ libc_feupdateenv_test_sse (fenv_t *e, int ex)
-
- /* Raise SIGFPE for any new exceptions since the hold. Expect that
- the normal environment has all exceptions masked. */
-- if (__builtin_expect ((old_mxcsr >> 7) & cur_ex, 0))
-+ if (__glibc_unlikely (~(old_mxcsr >> 7) & cur_ex))
- __feraiseexcept (cur_ex);
-
- /* Test for exceptions raised since the hold. */
+diff --git a/ChangeLog b/ChangeLog
+index cb9124e..1c5ec45 100644
+--- a/ChangeLog
++++ b/ChangeLog
+@@ -1,3 +1,88 @@
++2015-09-11 Roland McGrath <roland@hack.frob.com>
++
++ * sysdeps/nacl/Makefile [$(subdir) = misc] (sysdep_headers):
++ Use 'override' keyword to freeze the value here, preventing
++ the addition of sys/mtio.h by sysdeps/gnu/Makefile.
++
++2015-09-04 Roland McGrath <roland@hack.frob.com>
++
++ [BZ #18921]
++ * sysdeps/posix/opendir.c (need_isdir_precheck) [O_DIRECTORY]:
++ Fix inverted sense of test of 'o_directory_works' value.
++ Reported by Pádraig Brady <P@draigBrady.com>, diagnosed by
++ Bernhard Voelker <mail@bernhard-voelker.de>.
++
++2015-08-31 Brett Neumeier <brett@neumeier.us>
++
++ [BZ #18870]
++ * sysdeps/sparc/sparc32/sem_open.c: Add missing #include
++
++2015-08-28 Mike Frysinger <vapier@gentoo.org>
++
++ [BZ #18887]
++ * misc/Makefile (tests): Add tst-mntent-blank-corrupt and
++ tst-mntent-blank-passno.
++ * misc/mntent_r.c (__getmntent_r): Do not read past buffer[0].
++ * misc/tst-mntent-blank-corrupt.c: New test.
++ * misc/tst-mntent-blank-passno.c: New test ripped from ...
++ * misc/tst-mntent.c (do_test): ... here.
++
++2015-08-25 Roland McGrath <roland@hack.frob.com>
++
++ * sysdeps/nacl/start.c (_start): Call __nacl_main instead of main
++ if the weak reference is not null.
++
++2015-08-19 Andrew Senkevich <andrew.senkevich@intel.com>
++
++ [BZ #18796]
++ * scripts/test-installation.pl: Don't add -lmvec to build options
++ if libmvec wasn't built.
++ * NEWS: Mention this fix.
++
++2015-08-10 Maxim Ostapenko <m.ostapenko@partner.samsung.com>
++
++ [BZ #18778]
++ * elf/Makefile (tests): Add Add tst-nodelete2.
++ (modules-names): Add tst-nodelete2mod.
++ (tst-nodelete2mod.so-no-z-defs): New.
++ ($(objpfx)tst-nodelete2): Likewise.
++ ($(objpfx)tst-nodelete2.out): Likewise.
++ (LDFLAGS-tst-nodelete2): Likewise.
++ * elf/dl-close.c (_dl_close_worker): Move DF_1_NODELETE clearing
++ out of loop through all loaded libraries.
++ * elf/tst-nodelete2.c: New file.
++ * elf/tst-nodelete2mod.c: Likewise.
++
++2015-08-10 Andreas Schwab <schwab@suse.de>
++
++ [BZ #18781]
++ * sysdeps/unix/sysv/linux/openat.c (__OPENAT) [MORE_OFLAGS]: Add
++ MORE_OFLAGS to oflag.
++ * io/test-lfs.c (do_test): Test openat64.
++
++2015-08-08 John David Anglin <danglin@gcc.gnu.org>
++
++ [BZ #18787]
++ * sysdeps/unix/sysv/linux/hppa/bits/atomic.h (_LWS_CLOBBER): Revise
++ clobber registers.
++ (atomic_compare_and_exchange_val_acq): Use register asms to assign
++ operand registers. Use register %r20 for EAGAIN and EDEADLOCK checks.
++ Cast return to __typeof (oldval).
++
++2015-08-08 Mike Frysinger <vapier@gentoo.org>
++
++ * sysdeps/unix/sysv/linux/microblaze/sysdep.h: Wrap the whole file
++ in _LINUX_MICROBLAZE_SYSDEP_H defines. Include sysdeps/unix/sysdep.h
++ and delete sys/syscall.h include.
++
++2015-08-07 Mike Frysinger <vapier@gentoo.org>
++
++ * sysdeps/hppa/dl-symaddr.c (_dl_symbol_address): Add rtld_hidden_def.
++
++2015-08-05 Zack Weinberg <zackw@panix.com>
++
++ * misc/regexp.h: Update comments.
++
+ 2015-08-05 Carlos O'Donell <carlos@systemhalted.org>
+
+ * version.h (RELEASE): Set to "stable".
+diff --git a/NEWS b/NEWS
+index 4c31de7..d220c07 100644
+--- a/NEWS
++++ b/NEWS
+@@ -5,6 +5,12 @@ See the end for copying conditions.
+ Please send GNU C library bug reports via <http://sourceware.org/bugzilla/>
+ using `glibc' in the "product" field.
+ \f
++Version 2.22.1
++
++* The following bugs are resolved with this release:
++
++ 18778, 18781, 18787, 18796, 18870, 18887, 18921.
++\f
+ Version 2.22
+
+ * The following bugs are resolved with this release:
+@@ -84,7 +90,7 @@ Version 2.22
+ release. Use of this header will trigger a deprecation warning.
+ Application developers should update their code to use <regex.h> instead.
+
+- This header was formerly part of SUSv2, but was deprecated in 1997 and
++ This header was formerly part of SUS, but was deprecated in 1994 and
+ removed from the standard in 2001. Also, the glibc implementation
+ leaks memory. See BZ#18681 for more details.
+ \f
+diff --git a/elf/Makefile b/elf/Makefile
+index 4ceeaf8..71a18a1 100644
+--- a/elf/Makefile
++++ b/elf/Makefile
+@@ -148,7 +148,8 @@ tests += loadtest restest1 preloadtest loadfail multiload origtest resolvfail \
+ tst-unique1 tst-unique2 $(if $(CXX),tst-unique3 tst-unique4 \
+ tst-nodelete) \
+ tst-initorder tst-initorder2 tst-relsort1 tst-null-argv \
+- tst-ptrguard1 tst-tlsalign tst-tlsalign-extern tst-nodelete-opened
++ tst-ptrguard1 tst-tlsalign tst-tlsalign-extern tst-nodelete-opened \
++ tst-nodelete2
+ # reldep9
+ ifeq ($(build-hardcoded-path-in-tests),yes)
+ tests += tst-dlopen-aout
+@@ -218,7 +219,7 @@ modules-names = testobj1 testobj2 testobj3 testobj4 testobj5 testobj6 \
+ tst-initorder2d \
+ tst-relsort1mod1 tst-relsort1mod2 tst-array2dep \
+ tst-array5dep tst-null-argv-lib \
+- tst-tlsalign-lib tst-nodelete-opened-lib
++ tst-tlsalign-lib tst-nodelete-opened-lib tst-nodelete2mod
+ ifeq (yes,$(have-protected-data))
+ modules-names += tst-protected1moda tst-protected1modb
+ tests += tst-protected1a tst-protected1b
+@@ -594,6 +595,7 @@ tst-auditmod9b.so-no-z-defs = yes
+ tst-nodelete-uniquemod.so-no-z-defs = yes
+ tst-nodelete-rtldmod.so-no-z-defs = yes
+ tst-nodelete-zmod.so-no-z-defs = yes
++tst-nodelete2mod.so-no-z-defs = yes
+
+ ifeq ($(build-shared),yes)
+ # Build all the modules even when not actually running test programs.
+@@ -1164,6 +1166,11 @@ $(objpfx)tst-nodelete.out: $(objpfx)tst-nodelete-uniquemod.so \
+ LDFLAGS-tst-nodelete = -rdynamic
+ LDFLAGS-tst-nodelete-zmod.so = -Wl,--enable-new-dtags,-z,nodelete
+
++$(objpfx)tst-nodelete2: $(libdl)
++$(objpfx)tst-nodelete2.out: $(objpfx)tst-nodelete2mod.so
++
++LDFLAGS-tst-nodelete2 = -rdynamic
++
+ $(objpfx)tst-initorder-cmp.out: tst-initorder.exp $(objpfx)tst-initorder.out
+ cmp $^ > $@; \
+ $(evaluate-test)
+diff --git a/elf/dl-close.c b/elf/dl-close.c
+index 9105277..c897247 100644
+--- a/elf/dl-close.c
++++ b/elf/dl-close.c
+@@ -144,6 +144,14 @@ _dl_close_worker (struct link_map *map, bool force)
+ char done[nloaded];
+ struct link_map *maps[nloaded];
+
++ /* Clear DF_1_NODELETE to force object deletion. We don't need to touch
++ l_tls_dtor_count because forced object deletion only happens when an
++ error occurs during object load. Destructor registration for TLS
++ non-POD objects should not have happened till then for this
++ object. */
++ if (force)
++ map->l_flags_1 &= ~DF_1_NODELETE;
++
+ /* Run over the list and assign indexes to the link maps and enter
+ them into the MAPS array. */
+ int idx = 0;
+@@ -153,13 +161,6 @@ _dl_close_worker (struct link_map *map, bool force)
+ maps[idx] = l;
+ ++idx;
+
+- /* Clear DF_1_NODELETE to force object deletion. We don't need to touch
+- l_tls_dtor_count because forced object deletion only happens when an
+- error occurs during object load. Destructor registration for TLS
+- non-POD objects should not have happened till then for this
+- object. */
+- if (force)
+- l->l_flags_1 &= ~DF_1_NODELETE;
+ }
+ assert (idx == nloaded);
+
+diff --git a/elf/tst-nodelete2.c b/elf/tst-nodelete2.c
+new file mode 100644
+index 0000000..388e8af
+--- /dev/null
++++ b/elf/tst-nodelete2.c
+@@ -0,0 +1,37 @@
++#include "../dlfcn/dlfcn.h"
++#include <stdio.h>
++#include <stdlib.h>
++#include <gnu/lib-names.h>
++
++static int
++do_test (void)
++{
++ int result = 0;
++
++ printf ("\nOpening pthread library.\n");
++ void *pthread = dlopen (LIBPTHREAD_SO, RTLD_LAZY);
++
++ /* This is a test for correct DF_1_NODELETE clearing when dlopen failure
++ happens. We should clear DF_1_NODELETE for failed library only, because
++ doing this for others (e.g. libpthread) might cause them to be unloaded,
++ that may lead to some global references (e.g. __rtld_lock_unlock) to be
++ broken. The dlopen should fail because of undefined symbols in shared
++ library, that cause DF_1_NODELETE to be cleared. For libpthread, this
++ flag should be set, because if not, SIGSEGV will happen in dlclose. */
++ if (dlopen ("tst-nodelete2mod.so", RTLD_NOW) != NULL)
++ {
++ printf ("Unique symbols test failed\n");
++ result = 1;
++ }
++
++ if (pthread)
++ dlclose (pthread);
++
++ if (result == 0)
++ printf ("SUCCESS\n");
++
++ return result;
++}
++
++#define TEST_FUNCTION do_test ()
++#include "../test-skeleton.c"
+diff --git a/elf/tst-nodelete2mod.c b/elf/tst-nodelete2mod.c
+new file mode 100644
+index 0000000..e88c756
+--- /dev/null
++++ b/elf/tst-nodelete2mod.c
+@@ -0,0 +1,7 @@
++/* Undefined symbol. */
++extern int not_exist (void);
++
++int foo (void)
++{
++ return not_exist ();
++}
+diff --git a/elf/tst-znodelete-zlib.cc b/elf/tst-znodelete-zlib.cc
+deleted file mode 100644
+index 1e8f368..0000000
+--- a/elf/tst-znodelete-zlib.cc
++++ /dev/null
+@@ -1,6 +0,0 @@
+-extern int not_exist (void);
+-
+-int foo (void)
+-{
+- return not_exist ();
+-}
+diff --git a/io/test-lfs.c b/io/test-lfs.c
+index 539c2a2..b6ebae4 100644
+--- a/io/test-lfs.c
++++ b/io/test-lfs.c
+@@ -144,7 +144,7 @@ test_ftello (void)
+ int
+ do_test (int argc, char *argv[])
+ {
+- int ret;
++ int ret, fd2;
+ struct stat64 statbuf;
+
+ ret = lseek64 (fd, TWO_GB+100, SEEK_SET);
+@@ -195,6 +195,25 @@ do_test (int argc, char *argv[])
+ error (EXIT_FAILURE, 0, "stat reported size %lld instead of %lld.",
+ (long long int) statbuf.st_size, (TWO_GB + 100 + 5));
+
++ fd2 = openat64 (AT_FDCWD, name, O_RDWR);
++ if (fd2 == -1)
++ {
++ if (errno == ENOSYS)
++ {
++ /* Silently ignore this test. */
++ error (0, 0, "openat64 is not supported");
++ }
++ else
++ error (EXIT_FAILURE, errno, "openat64 failed to open big file");
++ }
++ else
++ {
++ ret = close (fd2);
++
++ if (ret == -1)
++ error (EXIT_FAILURE, errno, "error closing file");
++ }
++
+ test_ftello ();
+
+ return 0;
+diff --git a/misc/Makefile b/misc/Makefile
+index aecb0da..2f5edf6 100644
+--- a/misc/Makefile
++++ b/misc/Makefile
+@@ -76,7 +76,8 @@ install-lib := libg.a
+ gpl2lgpl := error.c error.h
+
+ tests := tst-dirname tst-tsearch tst-fdset tst-efgcvt tst-mntent tst-hsearch \
+- tst-error1 tst-pselect tst-insremque tst-mntent2 bug-hsearch1
++ tst-error1 tst-pselect tst-insremque tst-mntent2 bug-hsearch1 \
++ tst-mntent-blank-corrupt tst-mntent-blank-passno
+ ifeq ($(run-built-tests),yes)
+ tests-special += $(objpfx)tst-error1-mem.out
+ endif
+diff --git a/misc/mntent_r.c b/misc/mntent_r.c
+index 6159873..4f26998 100644
+--- a/misc/mntent_r.c
++++ b/misc/mntent_r.c
+@@ -136,7 +136,9 @@ __getmntent_r (FILE *stream, struct mntent *mp, char *buffer, int bufsiz)
+ end_ptr = strchr (buffer, '\n');
+ if (end_ptr != NULL) /* chop newline */
+ {
+- while (end_ptr[-1] == ' ' || end_ptr[-1] == '\t')
++ /* Do not walk past the start of buffer if it's all whitespace. */
++ while (end_ptr != buffer
++ && (end_ptr[-1] == ' ' || end_ptr[-1] == '\t'))
+ end_ptr--;
+ *end_ptr = '\0';
+ }
+diff --git a/misc/regexp.h b/misc/regexp.h
+index 3460989..42394f7 100644
+--- a/misc/regexp.h
++++ b/misc/regexp.h
+@@ -19,10 +19,11 @@
+ #ifndef _REGEXP_H
+ #define _REGEXP_H 1
+
+-/* The contents of this header file were standardized in the
+- Single Unix Specification, Version 2 (1997) but marked as
+- LEGACY; new applications were already being encouraged to
+- use <regex.h> instead. POSIX.1-2001 removed this header.
++/* The contents of this header file were originally standardized in
++ the Single Unix Specification, Issue 3 (1992). In Issue 4 (1994)
++ the header was marked as TO BE WITHDRAWN, and new applications
++ were encouraged to use <regex.h> instead. It was officially
++ withdrawn from the standard in Issue 6 (aka POSIX.1-2001).
+
+ This header is provided only for backward compatibility.
+ It will be removed in the next release of the GNU C Library.
+diff --git a/misc/tst-mntent-blank-corrupt.c b/misc/tst-mntent-blank-corrupt.c
+new file mode 100644
+index 0000000..92266a3
+--- /dev/null
++++ b/misc/tst-mntent-blank-corrupt.c
+@@ -0,0 +1,45 @@
++/* Make sure blank lines does not cause memory corruption BZ #18887.
++
++ Copyright (C) 2009-2015 Free Software Foundation, Inc.
++ This file is part of the GNU C Library.
++
++ The GNU C Library is free software; you can redistribute it and/or
++ modify it under the terms of the GNU Lesser General Public
++ License as published by the Free Software Foundation; either
++ version 2.1 of the License, or (at your option) any later version.
++
++ The GNU C Library is distributed in the hope that it will be useful,
++ but WITHOUT ANY WARRANTY; without even the implied warranty of
++ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
++ Lesser General Public License for more details.
++
++ You should have received a copy of the GNU Lesser General Public
++ License along with the GNU C Library; if not, see
++ <http://www.gnu.org/licenses/>. */
++
++#include <mntent.h>
++#include <stdio.h>
++#include <string.h>
++
++/* Make sure blank lines don't trigger memory corruption. This doesn't happen
++ for all targets though, so it's a best effort test BZ #18887. */
++static int
++do_test (void)
++{
++ FILE *fp;
++
++ fp = tmpfile ();
++ fputs ("\n \n/foo\\040dir /bar\\040dir auto bind \t \n", fp);
++ rewind (fp);
++
++ /* The corruption happens here ... */
++ getmntent (fp);
++ /* ... but trigers here. */
++ endmntent (fp);
++
++ /* If the test failed, we would crash, and not hit this point. */
++ return 0;
++}
++
++#define TEST_FUNCTION do_test ()
++#include "../test-skeleton.c"
+diff --git a/misc/tst-mntent-blank-passno.c b/misc/tst-mntent-blank-passno.c
+new file mode 100644
+index 0000000..fc04291
+--- /dev/null
++++ b/misc/tst-mntent-blank-passno.c
+@@ -0,0 +1,53 @@
++/* Make sure trailing whitespace is handled properly BZ #17273.
++
++ Copyright (C) 2009-2015 Free Software Foundation, Inc.
++ This file is part of the GNU C Library.
++
++ The GNU C Library is free software; you can redistribute it and/or
++ modify it under the terms of the GNU Lesser General Public
++ License as published by the Free Software Foundation; either
++ version 2.1 of the License, or (at your option) any later version.
++
++ The GNU C Library is distributed in the hope that it will be useful,
++ but WITHOUT ANY WARRANTY; without even the implied warranty of
++ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
++ Lesser General Public License for more details.
++
++ You should have received a copy of the GNU Lesser General Public
++ License along with the GNU C Library; if not, see
++ <http://www.gnu.org/licenses/>. */
++
++#include <mntent.h>
++#include <stdio.h>
++#include <string.h>
++
++/* Check entries to make sure trailing whitespace is ignored and we return the
++ correct passno value BZ #17273. */
++static int
++do_test (void)
++{
++ int result = 0;
++ FILE *fp;
++ struct mntent *mnt;
++
++ fp = tmpfile ();
++ fputs ("/foo\\040dir /bar\\040dir auto bind \t \n", fp);
++ rewind (fp);
++
++ mnt = getmntent (fp);
++ if (strcmp (mnt->mnt_fsname, "/foo dir") != 0
++ || strcmp (mnt->mnt_dir, "/bar dir") != 0
++ || strcmp (mnt->mnt_type, "auto") != 0
++ || strcmp (mnt->mnt_opts, "bind") != 0
++ || mnt->mnt_freq != 0
++ || mnt->mnt_passno != 0)
++ {
++ puts ("Error while reading entry with trailing whitespaces");
++ result = 1;
++ }
++
++ return result;
++}
++
++#define TEST_FUNCTION do_test ()
++#include "../test-skeleton.c"
+diff --git a/misc/tst-mntent.c b/misc/tst-mntent.c
+index 876c89f..820b354 100644
+--- a/misc/tst-mntent.c
++++ b/misc/tst-mntent.c
+@@ -73,26 +73,6 @@ main (int argc, char *argv[])
+ puts ("Error while reading written entry back in");
+ result = 1;
+ }
+-
+- /* Part III: Entry with whitespaces at the end of a line. */
+- rewind (fp);
+-
+- fputs ("/foo\\040dir /bar\\040dir auto bind \t \n", fp);
+-
+- rewind (fp);
+-
+- mnt = getmntent (fp);
+-
+- if (strcmp (mnt->mnt_fsname, "/foo dir") != 0
+- || strcmp (mnt->mnt_dir, "/bar dir") != 0
+- || strcmp (mnt->mnt_type, "auto") != 0
+- || strcmp (mnt->mnt_opts, "bind") != 0
+- || mnt->mnt_freq != 0
+- || mnt->mnt_passno != 0)
+- {
+- puts ("Error while reading entry with trailing whitespaces");
+- result = 1;
+- }
+ }
+
+ return result;
+diff --git a/scripts/test-installation.pl b/scripts/test-installation.pl
+index cac1562..79b2b3e 100755
+--- a/scripts/test-installation.pl
++++ b/scripts/test-installation.pl
+@@ -80,16 +80,25 @@ arglist: while (@ARGV) {
+ # We expect none or one argument.
+ if ($#ARGV == -1) {
+ $soversions="soversions.mk";
++ $config="config.make";
+ } elsif ($#ARGV == 0) {
+ if (-d $ARGV[0]) {
+ $soversions = "$ARGV[0]/soversions.mk";
++ $config = "$ARGV[0]/config.make";
+ } else {
+- $soversions = $ARGV[0];
++ $soversions = $dir = $ARGV[0];
++ $dir =~ s!/?[^/]*/*$!!;
++ $config = $dir . "/config.make";
+ }
+ } else {
+ die "Wrong number of arguments.";
+ }
+
++if (system ("grep -q \"build-mathvec = yes\" $config") == 0) {
++ $build_mathvec = 1;
++} else {
++ $build_mathvec = 0;
++}
+
+ # Read names and versions of all shared libraries that are part of
+ # glibc
+@@ -111,6 +120,8 @@ while (<SOVERSIONS>) {
+ # - libthread_db since it contains unresolved references
+ # - it's just a test NSS module
+ # - We don't provide the libgcc so we don't test it
++ # - libmvec if it wasn't built
++ next if ($build_mathvec == 0 && $name eq "mvec");
+ if ($name ne "nss_ldap" && $name ne "db1"
+ && !($name =~/^nss1_/) && $name ne "thread_db"
+ && $name ne "nss_test1" && $name ne "libgcc_s") {
+diff --git a/sysdeps/hppa/dl-symaddr.c b/sysdeps/hppa/dl-symaddr.c
+index b707c19..89d8baf 100644
+--- a/sysdeps/hppa/dl-symaddr.c
++++ b/sysdeps/hppa/dl-symaddr.c
+@@ -33,3 +33,4 @@ _dl_symbol_address (struct link_map *map, const ElfW(Sym) *ref)
+ else
+ return (void *) value;
+ }
++rtld_hidden_def (_dl_symbol_address)
+diff --git a/sysdeps/nacl/Makefile b/sysdeps/nacl/Makefile
+index 6749a44..1748886 100644
+--- a/sysdeps/nacl/Makefile
++++ b/sysdeps/nacl/Makefile
+@@ -132,4 +132,13 @@ ifeq ($(subdir),misc)
+ # sysdeps/.../linux/ directories, but it's still a sysdeps decision to
+ # install it.
+ sysdep_headers += bits/mman-linux.h
++
++# This defeats sysdeps/gnu/Makefile's addition of sys/mtio.h, which
++# we do not want. This is a total kludge, but it seems no worse for
++# now than making the sysdeps/gnu/Makefile code conditional on a
++# variable we set here. If some sysdeps/.../Makefile that is later
++# in the list than sysdeps/gnu needed to add to sysdep_headers, this
++# would break it. But sysdeps/gnu is close to last in the list and
++# this coming up seems unlikely.
++override sysdep_headers := $(sysdep_headers)
+ endif
+diff --git a/sysdeps/nacl/start.c b/sysdeps/nacl/start.c
+index a4b6dd3..8e8bc1a 100644
+--- a/sysdeps/nacl/start.c
++++ b/sysdeps/nacl/start.c
+@@ -44,6 +44,10 @@
+ /* The application defines this, of course. */
+ extern int main (int argc, char **argv, char **envp);
+
++/* But maybe it defines this too, in which case it takes precedence. */
++extern int __nacl_main (int argc, char **argv, char **envp)
++ __attribute__ ((weak));
++
+ /* These are defined in libc. */
+ extern int __libc_csu_init (int argc, char **argv, char **envp);
+ extern void __libc_csu_fini (void);
+@@ -59,7 +63,7 @@ _start (uint32_t info[])
+ {
+ /* The generic code actually assumes that envp follows argv. */
+
+- __libc_start_main (&main,
++ __libc_start_main (&__nacl_main ?: &main,
+ nacl_startup_argc (info),
+ nacl_startup_argv (info),
+ nacl_startup_auxv (info),
+diff --git a/sysdeps/posix/opendir.c b/sysdeps/posix/opendir.c
+index 6509f5c..9edf056 100644
+--- a/sysdeps/posix/opendir.c
++++ b/sysdeps/posix/opendir.c
+@@ -105,7 +105,7 @@ need_isdir_precheck (void)
+ tryopen_o_directory ();
+
+ /* We can skip the expensive `stat' call if O_DIRECTORY works. */
+- return o_directory_works > 0;
++ return o_directory_works < 0;
+ #endif
+ return true;
+ }
+diff --git a/sysdeps/sparc/sparc32/sem_open.c b/sysdeps/sparc/sparc32/sem_open.c
+index 16cb9ad..59df2d7 100644
+--- a/sysdeps/sparc/sparc32/sem_open.c
++++ b/sysdeps/sparc/sparc32/sem_open.c
+@@ -29,6 +29,7 @@
+ #include <sys/mman.h>
+ #include <sys/stat.h>
+ #include "semaphoreP.h"
++#include <futex-internal.h>
+ #include <shm-directory.h>
+
+
+diff --git a/sysdeps/unix/sysv/linux/hppa/bits/atomic.h b/sysdeps/unix/sysv/linux/hppa/bits/atomic.h
+index abde83e..6e73504 100644
+--- a/sysdeps/unix/sysv/linux/hppa/bits/atomic.h
++++ b/sysdeps/unix/sysv/linux/hppa/bits/atomic.h
+@@ -56,42 +56,41 @@ typedef uintmax_t uatomic_max_t;
+ #define _LWS "0xb0"
+ #define _LWS_CAS "0"
+ /* Note r31 is the link register. */
+-#define _LWS_CLOBBER "r1", "r26", "r25", "r24", "r23", "r22", "r21", "r20", "r28", "r31", "memory"
++#define _LWS_CLOBBER "r1", "r23", "r22", "r20", "r31", "memory"
+ /* String constant for -EAGAIN. */
+ #define _ASM_EAGAIN "-11"
+ /* String constant for -EDEADLOCK. */
+ #define _ASM_EDEADLOCK "-45"
+
+ #if __ASSUME_LWS_CAS
+-/* The only basic operation needed is compare and exchange. */
++/* The only basic operation needed is compare and exchange. The mem
++ pointer must be word aligned. */
+ # define atomic_compare_and_exchange_val_acq(mem, newval, oldval) \
+ ({ \
+- volatile int lws_errno; \
+- __typeof__ (*mem) lws_ret; \
+- asm volatile( \
++ register long lws_errno asm("r21"); \
++ register unsigned long lws_ret asm("r28"); \
++ register unsigned long lws_mem asm("r26") = (unsigned long)(mem); \
++ register unsigned long lws_old asm("r25") = (unsigned long)(oldval);\
++ register unsigned long lws_new asm("r24") = (unsigned long)(newval);\
++ __asm__ __volatile__( \
+ "0: \n\t" \
+- "copy %2, %%r26 \n\t" \
+- "copy %3, %%r25 \n\t" \
+- "copy %4, %%r24 \n\t" \
+ "ble " _LWS "(%%sr2, %%r0) \n\t" \
+ "ldi " _LWS_CAS ", %%r20 \n\t" \
+- "ldi " _ASM_EAGAIN ", %%r24 \n\t" \
+- "cmpb,=,n %%r24, %%r21, 0b \n\t" \
++ "ldi " _ASM_EAGAIN ", %%r20 \n\t" \
++ "cmpb,=,n %%r20, %%r21, 0b \n\t" \
+ "nop \n\t" \
+- "ldi " _ASM_EDEADLOCK ", %%r25 \n\t" \
+- "cmpb,=,n %%r25, %%r21, 0b \n\t" \
++ "ldi " _ASM_EDEADLOCK ", %%r20 \n\t" \
++ "cmpb,=,n %%r20, %%r21, 0b \n\t" \
+ "nop \n\t" \
+- "stw %%r28, %0 \n\t" \
+- "stw %%r21, %1 \n\t" \
+- : "=m" (lws_ret), "=m" (lws_errno) \
+- : "r" (mem), "r" (oldval), "r" (newval) \
++ : "=r" (lws_ret), "=r" (lws_errno) \
++ : "r" (lws_mem), "r" (lws_old), "r" (lws_new) \
+ : _LWS_CLOBBER \
+ ); \
+ \
+- if(lws_errno == -EFAULT || lws_errno == -ENOSYS) \
++ if (lws_errno == -EFAULT || lws_errno == -ENOSYS) \
+ ABORT_INSTRUCTION; \
+ \
+- lws_ret; \
++ (__typeof (oldval)) lws_ret; \
+ })
+
+ # define atomic_compare_and_exchange_bool_acq(mem, newval, oldval) \
+diff --git a/sysdeps/unix/sysv/linux/microblaze/sysdep.h b/sysdeps/unix/sysv/linux/microblaze/sysdep.h
+index 83c0340..9d5c542 100644
+--- a/sysdeps/unix/sysv/linux/microblaze/sysdep.h
++++ b/sysdeps/unix/sysv/linux/microblaze/sysdep.h
+@@ -16,8 +16,11 @@
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
++#ifndef _LINUX_MICROBLAZE_SYSDEP_H
++#define _LINUX_MICROBLAZE_SYSDEP_H 1
++
++#include <sysdeps/unix/sysdep.h>
+ #include <sysdeps/microblaze/sysdep.h>
+-#include <sys/syscall.h>
+
+ /* Defines RTLD_PRIVATE_ERRNO. */
+ #include <dl-sysdep.h>
+@@ -305,3 +308,5 @@ SYSCALL_ERROR_LABEL_DCL: \
+ # define PTR_DEMANGLE(var) (void) (var)
+
+ #endif /* not __ASSEMBLER__ */
++
++#endif /* _LINUX_MICROBLAZE_SYSDEP_H */
+diff --git a/sysdeps/unix/sysv/linux/openat.c b/sysdeps/unix/sysv/linux/openat.c
+index 6777123..ad8e31d 100644
+--- a/sysdeps/unix/sysv/linux/openat.c
++++ b/sysdeps/unix/sysv/linux/openat.c
+@@ -68,6 +68,11 @@ __OPENAT (int fd, const char *file, int oflag, ...)
+ va_end (arg);
+ }
+
++ /* We have to add the O_LARGEFILE flag for openat64. */
++#ifdef MORE_OFLAGS
++ oflag |= MORE_OFLAGS;
++#endif
++
+ return SYSCALL_CANCEL (openat, fd, file, oflag, mode);
+ }
+ libc_hidden_def (__OPENAT)
projects / packages / glibc.git / blobdiff