+2014-06-17 Kai Tietz <ktietz@redhat.com>
+
+ * Makefile.am (libatomic_la_LDFLAGS): Add lt_host_flags.
+ * configure.ac (ACX_LT_HOST_FLAGS): New.
+ (target_thread_file): New.
+ * configure.tgt (mingw): Add mingw support.
+ * config/mingw/host-config.h: New file.
+ * config/mingw/lock.c: Likewise.
+ * Makefile.in: Regenerated.
+ * configure: Likewise.
+ * aclocal.m4: Likewise.
+ * testsuite/Makefile.in: Likewise.
+
2014-02-20 Richard Henderson <rth@redhat.com>
PR c++/60272
endif
libatomic_version_info = -version-info $(libtool_VERSION)
-libatomic_la_LDFLAGS = $(libatomic_version_info) $(libatomic_version_script)
+libatomic_la_LDFLAGS = $(libatomic_version_info) $(libatomic_version_script) $(lt_host_flags)
libatomic_la_SOURCES = gload.c gstore.c gcas.c gexch.c glfree.c lock.c init.c \
fenv.c
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+# Makefile.in generated by automake 1.11.6 from Makefile.am.
# @configure_input@
# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
-# 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation,
-# Inc.
+# 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software
+# Foundation, Inc.
# This Makefile.in is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
@SET_MAKE@
VPATH = @srcdir@
+am__make_dryrun = \
+ { \
+ am__dry=no; \
+ case $$MAKEFLAGS in \
+ *\\[\ \ ]*) \
+ echo 'am--echo: ; @echo "AM" OK' | $(MAKE) -f - 2>/dev/null \
+ | grep '^AM OK$$' >/dev/null || am__dry=yes;; \
+ *) \
+ for am__flg in $$MAKEFLAGS; do \
+ case $$am__flg in \
+ *=*|--*) ;; \
+ *n*) am__dry=yes; break;; \
+ esac; \
+ done;; \
+ esac; \
+ test $$am__dry = yes; \
+ }
pkgdatadir = $(datadir)/@PACKAGE@
pkgincludedir = $(includedir)/@PACKAGE@
pkglibdir = $(libdir)/@PACKAGE@
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+ $(top_srcdir)/../config/lthostflags.m4 \
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+am__uninstall_files_from_dir = { \
+ test -z "$$files" \
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am__installdirs = "$(DESTDIR)$(toolexeclibdir)"
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install-pdf-recursive install-ps-recursive install-recursive \
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ps-recursive uninstall-recursive
+am__can_run_installinfo = \
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AM_RECURSIVE_TARGETS = $(RECURSIVE_TARGETS:-recursive=) \
libtool_VERSION = @libtool_VERSION@
localedir = @localedir@
localstatedir = @localstatedir@
+lt_host_flags = @lt_host_flags@
mandir = @mandir@
mkdir_p = @mkdir_p@
multi_basedir = @multi_basedir@
@LIBAT_BUILD_VERSIONED_SHLIB_GNU_TRUE@@LIBAT_BUILD_VERSIONED_SHLIB_TRUE@libatomic_version_dep = $(top_srcdir)/libatomic.map
@LIBAT_BUILD_VERSIONED_SHLIB_SUN_TRUE@@LIBAT_BUILD_VERSIONED_SHLIB_TRUE@libatomic_version_dep = libatomic.map-sun
libatomic_version_info = -version-info $(libtool_VERSION)
-libatomic_la_LDFLAGS = $(libatomic_version_info) $(libatomic_version_script)
+libatomic_la_LDFLAGS = $(libatomic_version_info) $(libatomic_version_script) $(lt_host_flags)
libatomic_la_SOURCES = gload.c gstore.c gcas.c gexch.c glfree.c lock.c init.c \
fenv.c
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- $(MAKE) $(AM_MAKEFLAGS) stamp-h1; \
- else :; fi
+ @if test ! -f $@; then rm -f stamp-h1; else :; fi
+ @if test ! -f $@; then $(MAKE) $(AM_MAKEFLAGS) stamp-h1; else :; fi
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if test -f $$p; then \
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+ echo " $(MKDIR_P) '$(DESTDIR)$(toolexeclibdir)'"; \
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rm -f "$${dir}/so_locations"; \
done
-libatomic.la: $(libatomic_la_OBJECTS) $(libatomic_la_DEPENDENCIES)
+libatomic.la: $(libatomic_la_OBJECTS) $(libatomic_la_DEPENDENCIES) $(EXTRA_libatomic_la_DEPENDENCIES)
$(libatomic_la_LINK) -rpath $(toolexeclibdir) $(libatomic_la_OBJECTS) $(libatomic_la_LIBADD) $(LIBS)
-libatomic_convenience.la: $(libatomic_convenience_la_OBJECTS) $(libatomic_convenience_la_DEPENDENCIES)
+libatomic_convenience.la: $(libatomic_convenience_la_OBJECTS) $(libatomic_convenience_la_DEPENDENCIES) $(EXTRA_libatomic_convenience_la_DEPENDENCIES)
$(LINK) $(libatomic_convenience_la_OBJECTS) $(libatomic_convenience_la_LIBADD) $(LIBS)
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- `test -z '$(STRIP)' || \
- echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+ if test -z '$(STRIP)'; then \
+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ install; \
+ else \
+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+ fi
mostlyclean-generic:
clean-generic:
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-# Copyright (C) 2002, 2003, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+# Copyright (C) 2002, 2003, 2005, 2006, 2007, 2008, 2011 Free Software
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+# Copyright (C) 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2008,
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+# Foundation, Inc.
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-# Copyright (C) 2001, 2003, 2005 Free Software Foundation, Inc.
+# Copyright (C) 2001, 2003, 2005, 2011 Free Software Foundation, Inc.
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+
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+# Copyright (C) 2006, 2008, 2010 Free Software Foundation, Inc.
#
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# Check how to create a tarball. -*- Autoconf -*-
-# Copyright (C) 2004, 2005 Free Software Foundation, Inc.
+# Copyright (C) 2004, 2005, 2012 Free Software Foundation, Inc.
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+# in the wild :-( We should find a proper way to deprecate it ...
+AC_SUBST([AMTAR], ['$${TAR-tar}'])
m4_if([$1], [v7],
- [am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'],
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m4_include([../config/acx.m4])
m4_include([../config/depstand.m4])
m4_include([../config/lead-dot.m4])
+m4_include([../config/lthostflags.m4])
m4_include([../config/multi.m4])
m4_include([../config/override.m4])
m4_include([../config/stdint.m4])
--- /dev/null
+/* Copyright (C) 2014 Free Software Foundation, Inc.
+ Contributed by Kai Tietz <ktietz@redhat.com>.
+
+ This file is part of the GNU Atomic Library (libatomic).
+
+ Libatomic is free software; you can redistribute it and/or modify it
+ under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ Libatomic 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 General Public License for
+ more details.
+
+ Under Section 7 of GPL version 3, you are granted additional
+ permissions described in the GCC Runtime Library Exception, version
+ 3.1, as published by the Free Software Foundation.
+
+ You should have received a copy of the GNU General Public License and
+ a copy of the GCC Runtime Library Exception along with this program;
+ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+/* Included after all more target-specific host-config.h. */
+
+#ifndef protect_start_end
+# ifdef HAVE_ATTRIBUTE_VISIBILITY
+# pragma GCC visibility push(hidden)
+# endif
+
+void libat_lock_1 (void *ptr);
+void libat_unlock_1 (void *ptr);
+
+static inline UWORD
+protect_start (void *ptr)
+{
+ libat_lock_1 (ptr);
+ return 0;
+}
+
+static inline void
+protect_end (void *ptr, UWORD dummy UNUSED)
+{
+ libat_unlock_1 (ptr);
+}
+
+# define protect_start_end 1
+# ifdef HAVE_ATTRIBUTE_VISIBILITY
+# pragma GCC visibility pop
+# endif
+#endif /* protect_start_end */
+
+#include_next <host-config.h>
--- /dev/null
+/* Copyright (C) 2014 Free Software Foundation, Inc.
+ Contributed by Kai Tietz <ktietz@redhat.com>.
+
+ This file is part of the GNU Atomic Library (libatomic).
+
+ Libatomic is free software; you can redistribute it and/or modify it
+ under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ Libatomic 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 General Public License for
+ more details.
+
+ Under Section 7 of GPL version 3, you are granted additional
+ permissions described in the GCC Runtime Library Exception, version
+ 3.1, as published by the Free Software Foundation.
+
+ You should have received a copy of the GNU General Public License and
+ a copy of the GCC Runtime Library Exception along with this program;
+ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#define UWORD __shadow_UWORD
+#include <windows.h>
+#undef UWORD
+#include "libatomic_i.h"
+
+/* The target page size. Must be no larger than the runtime page size,
+ lest locking fail with virtual address aliasing (i.e. a page mmaped
+ at two locations). */
+#ifndef PAGE_SIZE
+#define PAGE_SIZE 4096
+#endif
+
+/* The target cacheline size. This is an optimization; the padding that
+ should be applied to the locks to keep them from interfering. */
+#ifndef CACHLINE_SIZE
+#define CACHLINE_SIZE 64
+#endif
+
+/* The granularity at which locks are applied. Almost certainly the
+ cachline size is the right thing to use here. */
+#ifndef WATCH_SIZE
+#define WATCH_SIZE CACHLINE_SIZE
+#endif
+
+struct lock
+{
+ HANDLE mutex;
+ char pad[sizeof (HANDLE) < CACHLINE_SIZE
+ ? CACHLINE_SIZE - sizeof (HANDLE)
+ : 0];
+};
+
+#define NLOCKS (PAGE_SIZE / WATCH_SIZE)
+
+static struct lock locks[NLOCKS] = {
+ [0 ... NLOCKS-1].mutex = NULL
+};
+
+static inline uintptr_t
+addr_hash (void *ptr)
+{
+ return ((uintptr_t)ptr / WATCH_SIZE) % NLOCKS;
+}
+
+void
+libat_lock_1 (void *ptr)
+{
+ if (!locks[addr_hash (ptr)].mutex)
+ locks[addr_hash (ptr)].mutex = CreateMutex (NULL, FALSE, NULL);
+ WaitForSingleObject (locks[addr_hash (ptr)].mutex, INFINITE);
+}
+
+void
+libat_unlock_1 (void *ptr)
+{
+ if (locks[addr_hash (ptr)].mutex)
+ ReleaseMutex (locks[addr_hash (ptr)].mutex);
+}
+
+void
+libat_lock_n (void *ptr, size_t n)
+{
+ uintptr_t h = addr_hash (ptr);
+ size_t i = 0;
+
+ /* Don't lock more than all the locks we have. */
+ if (n > PAGE_SIZE)
+ n = PAGE_SIZE;
+
+ do
+ {
+ if (!locks[h].mutex)
+ locks[h].mutex = CreateMutex (NULL, FALSE, NULL);
+ WaitForSingleObject (locks[h].mutex, INFINITE);
+ if (++h == NLOCKS)
+ h = 0;
+ i += WATCH_SIZE;
+ }
+ while (i < n);
+}
+
+void
+libat_unlock_n (void *ptr, size_t n)
+{
+ uintptr_t h = addr_hash (ptr);
+ size_t i = 0;
+
+ if (n > PAGE_SIZE)
+ n = PAGE_SIZE;
+
+ do
+ {
+ if (locks[h].mutex)
+ ReleaseMutex (locks[h].mutex);
+ if (++h == NLOCKS)
+ h = 0;
+ i += WATCH_SIZE;
+ }
+ while (i < n);
+}
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AMDEP_TRUE=
# instance it was reported that on HP-UX the gcc test will end up
# making a dummy file named `D' -- because `-MD' means `put the output
# in D'.
+ rm -rf conftest.dir
mkdir conftest.dir
# Copy depcomp to subdir because otherwise we won't find it if we're
# using a relative directory.
break
fi
;;
- msvisualcpp | msvcmsys)
+ msvc7 | msvc7msys | msvisualcpp | msvcmsys)
# This compiler won't grok `-c -o', but also, the minuso test has
# not run yet. These depmodes are late enough in the game, and
# so weak that their functioning should not be impacted.
# instance it was reported that on HP-UX the gcc test will end up
# making a dummy file named `D' -- because `-MD' means `put the output
# in D'.
+ rm -rf conftest.dir
mkdir conftest.dir
# Copy depcomp to subdir because otherwise we won't find it if we're
# using a relative directory.
break
fi
;;
- msvisualcpp | msvcmsys)
+ msvc7 | msvc7msys | msvisualcpp | msvcmsys)
# This compiler won't grok `-c -o', but also, the minuso test has
# not run yet. These depmodes are late enough in the game, and
# so weak that their functioning should not be impacted.
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 11109 "configure"
+#line 11114 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 11215 "configure"
+#line 11220 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
+case $host in
+ *-cygwin* | *-mingw*)
+ # 'host' will be top-level target in the case of a target lib,
+ # we must compare to with_cross_host to decide if this is a native
+ # or cross-compiler and select where to install dlls appropriately.
+ if test -n "$with_cross_host" &&
+ test x"$with_cross_host" != x"no"; then
+ lt_host_flags='-no-undefined -bindir "$(toolexeclibdir)"';
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+ lt_host_flags='-no-undefined -bindir "$(bindir)"';
+ fi
+ ;;
+ *)
+ lt_host_flags=
+ ;;
+esac
+
+
+
+
+
+
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to enable maintainer-specific portions of Makefiles" >&5
$as_echo_n "checking whether to enable maintainer-specific portions of Makefiles... " >&6; }
# Check whether --enable-maintainer-mode was given.
libtool_VERSION=2:0:1
+# Check for used threading-model
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for thread model used by GCC" >&5
+$as_echo_n "checking for thread model used by GCC... " >&6; }
+target_thread_file=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $target_thread_file" >&5
+$as_echo "$target_thread_file" >&6; }
+
# Get target configury.
. ${srcdir}/configure.tgt
if test -n "$UNSUPPORTED"; then
# Configure libtool
AM_PROG_LIBTOOL
+ACX_LT_HOST_FLAGS
AC_SUBST(enable_shared)
AC_SUBST(enable_static)
AM_MAINTAINER_MODE
libtool_VERSION=2:0:1
AC_SUBST(libtool_VERSION)
+# Check for used threading-model
+AC_MSG_CHECKING([for thread model used by GCC])
+target_thread_file=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
+AC_MSG_RESULT([$target_thread_file])
+
# Get target configury.
. ${srcdir}/configure.tgt
if test -n "$UNSUPPORTED"; then
config_path="${config_path} posix"
;;
+ *-*-mingw*)
+ # OS support for atomic primitives.
+ case ${target_thread_file} in
+ win32)
+ config_path="${config_path} mingw"
+ ;;
+ posix)
+ config_path="${config_path} posix"
+ ;;
+ esac
+ ;;
*-*-elf*)
# ??? No target OS. We could be targeting bare-metal kernel-mode,
# or user-mode for some custom OS. If the target supports TAS,
-# Makefile.in generated by automake 1.11.1 from Makefile.am.
+# Makefile.in generated by automake 1.11.6 from Makefile.am.
# @configure_input@
# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
-# 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation,
-# Inc.
+# 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software
+# Foundation, Inc.
# This Makefile.in is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
@SET_MAKE@
VPATH = @srcdir@
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+ *) \
+ for am__flg in $$MAKEFLAGS; do \
+ case $$am__flg in \
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pkgdatadir = $(datadir)/@PACKAGE@
pkgincludedir = $(includedir)/@PACKAGE@
pkglibdir = $(libdir)/@PACKAGE@
am__aclocal_m4_deps = $(top_srcdir)/../config/acx.m4 \
$(top_srcdir)/../config/depstand.m4 \
$(top_srcdir)/../config/lead-dot.m4 \
+ $(top_srcdir)/../config/lthostflags.m4 \
$(top_srcdir)/../config/multi.m4 \
$(top_srcdir)/../config/override.m4 \
$(top_srcdir)/../config/stdint.m4 \
CONFIG_CLEAN_FILES =
CONFIG_CLEAN_VPATH_FILES =
SOURCES =
+am__can_run_installinfo = \
+ case $$AM_UPDATE_INFO_DIR in \
+ n|no|NO) false;; \
+ *) (install-info --version) >/dev/null 2>&1;; \
+ esac
DEJATOOL = $(PACKAGE)
RUNTESTDEFAULTFLAGS = --tool $$tool --srcdir $$srcdir
ACLOCAL = @ACLOCAL@
libtool_VERSION = @libtool_VERSION@
localedir = @localedir@
localstatedir = @localstatedir@
+lt_host_flags = @lt_host_flags@
mandir = @mandir@
mkdir_p = @mkdir_p@
multi_basedir = @multi_basedir@
check-DEJAGNU: site.exp
- srcdir=`$(am__cd) $(srcdir) && pwd`; export srcdir; \
+ srcdir='$(srcdir)'; export srcdir; \
EXPECT=$(EXPECT); export EXPECT; \
runtest=$(RUNTEST); \
if $(SHELL) -c "$$runtest --version" > /dev/null 2>&1; then \
else echo "WARNING: could not find \`runtest'" 1>&2; :;\
fi; \
exit $$exit_status
-site.exp: Makefile
+site.exp: Makefile $(EXTRA_DEJAGNU_SITE_CONFIG)
@echo 'Making a new site.exp file...'
@echo '## these variables are automatically generated by make ##' >site.tmp
@echo '# Do not edit here. If you wish to override these values' >>site.tmp
@echo '# edit the last section' >>site.tmp
- @echo 'set srcdir $(srcdir)' >>site.tmp
+ @echo 'set srcdir "$(srcdir)"' >>site.tmp
@echo "set objdir `pwd`" >>site.tmp
@echo 'set build_alias "$(build_alias)"' >>site.tmp
@echo 'set build_triplet $(build_triplet)' >>site.tmp
@echo 'set host_triplet $(host_triplet)' >>site.tmp
@echo 'set target_alias "$(target_alias)"' >>site.tmp
@echo 'set target_triplet $(target_triplet)' >>site.tmp
- @echo '## All variables above are generated by configure. Do Not Edit ##' >>site.tmp
- @test ! -f site.exp || \
- sed '1,/^## All variables above are.*##/ d' site.exp >> site.tmp
+ @list='$(EXTRA_DEJAGNU_SITE_CONFIG)'; for f in $$list; do \
+ echo "## Begin content included from file $$f. Do not modify. ##" \
+ && cat `test -f "$$f" || echo '$(srcdir)/'`$$f \
+ && echo "## End content included from file $$f. ##" \
+ || exit 1; \
+ done >> site.tmp
+ @echo "## End of auto-generated content; you can edit from here. ##" >> site.tmp
+ @if test -f site.exp; then \
+ sed -e '1,/^## End of auto-generated content.*##/d' site.exp >> site.tmp; \
+ fi
@-rm -f site.bak
@test ! -f site.exp || mv site.exp site.bak
@mv site.tmp site.exp
installcheck: installcheck-am
install-strip:
- $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
- install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
- `test -z '$(STRIP)' || \
- echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+ if test -z '$(STRIP)'; then \
+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ install; \
+ else \
+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+ fi
mostlyclean-generic:
clean-generic:
projects / platform / upstream / linaro-gcc.git / commitdiff