Import Boehm GC version 6.6.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@110204 138bc75d-0d04-0410-961f-82ee72b054a4

boehm-gc/ChangeLog

@@ -1,3 +1,7 @@
+2006-01-24  Bryce McKinlay  <[email protected]>
+
+	Import Boehm GC version 6.6.
+
 2006-01-24  David Ayers  <[email protected]>
 
 	PR libobjc/13946

boehm-gc/Makefile.am

@@ -17,28 +17,27 @@ else
 asm_libgc_sources = 
 endif
 
-GC_SOURCES = allchblk.c alloc.c blacklst.c checksums.c dbg_mlc.c \
-dyn_load.c finalize.c gc_dlopen.c gcj_mlc.c headers.c aix_irix_threads.c \
+libgcjgc_la_SOURCES = allchblk.c alloc.c blacklst.c checksums.c dbg_mlc.c \
+dyn_load.c finalize.c gc_dlopen.c gcj_mlc.c headers.c \
 malloc.c mallocx.c mark.c mark_rts.c misc.c new_hblk.c \
 obj_map.c os_dep.c pcr_interface.c ptr_chck.c real_malloc.c reclaim.c \
 solaris_pthreads.c solaris_threads.c specific.c stubborn.c typd_mlc.c \
 backgraph.c win32_threads.c \
 pthread_support.c pthread_stop_world.c darwin_stop_world.c \
-$(asm_libgc_sources)
+$(asm_libgcjgc_sources)
+
+libgcjgc_convenience_la_SOURCES = $(libgcjgc_la_SOURCES)
 
 EXTRA_DIST = alpha_mach_dep.S \
 mips_sgi_mach_dep.s mips_ultrix_mach_dep.s powerpc_darwin_mach_dep.s \
 rs6000_mach_dep.s sparc_mach_dep.S sparc_netbsd_mach_dep.s \
 sparc_sunos4_mach_dep.s ia64_save_regs_in_stack.s
 
-libgcjgc_la_SOURCES = $(GC_SOURCES)
-libgcjgc_convenience_la_SOURCES = $(GC_SOURCES)
-
 # Include THREADLIBS here to ensure that the correct versions of
 # linuxthread semaphore functions get linked:
-libgcjgc_la_LIBADD = @addobjs@ $(THREADLIBS)
+libgcjgc_la_LIBADD = @addobjs@ $(THREADLIBS) $(UNWINDLIBS)
 libgcjgc_la_DEPENDENCIES = @addobjs@
-libgcjgc_la_LDFLAGS = -version-info 1:1:0 -rpath $(toolexeclibdir)
+libgcjgc_la_LDFLAGS = -version-info 1:2:0 -rpath $(toolexeclibdir)
 
 libgcjgc_convenience_la_LIBADD = @addobjs@
 libgcjgc_convenience_la_DEPENDENCIES = @addobjs@
@@ -48,7 +47,7 @@ AM_CFLAGS = @GC_CFLAGS@
 
 check_PROGRAMS = gctest
 gctest_SOURCES = tests/test.c
-gctest_LDADD = ./libgcjgc.la $(THREADLIBS) $(EXTRA_TEST_LIBS)
+gctest_LDADD = ./libgcjgc.la $(THREADDLLIBS) $(UNWINDLIBS) $(EXTRA_TEST_LIBS)
 gctest_LDFLAGS = -shared-libgcc
 TESTS_ENVIRONMENT = LD_LIBRARY_PATH=../../$(MULTIBUILDTOP)gcc
 TESTS = gctest

boehm-gc/Makefile.direct

@@ -36,7 +36,7 @@ CFLAGS= -O -I$(srcdir)/include -DATOMIC_UNCOLLECTABLE -DNO_SIGNALS -DNO_EXECUTE_
 # -DGC_LINUX_THREADS -DPARALLEL_MARK -DTHREAD_LOCAL_ALLOC
 # To build the parallel collector in a static library on HP/UX,
 # add to the above:
-# -DGC_HPUX_THREADS -DPARALLEL_MARK -DTHREAD_LOCAL_ALLOC -D_POSIX_C_SOURCE=199506L
+# -DGC_HPUX_THREADS -DPARALLEL_MARK -DTHREAD_LOCAL_ALLOC -D_POSIX_C_SOURCE=199506L -mt
 # To build the thread-safe collector on Tru64, add to the above:
 # -pthread -DGC_OSF1_THREADS
 
@@ -70,10 +70,11 @@ HOSTCFLAGS=$(CFLAGS)
 #   Also requires -D_REENTRANT or -D_POSIX_C_SOURCE=199506L. See README.hp.
 # -DGC_LINUX_THREADS enables support for Xavier Leroy's Linux threads.
 #   see README.linux.  -D_REENTRANT may also be required.
-# -DGC_OSF1_THREADS enables support for Tru64 pthreads.  Untested.
-# -DGC_FREEBSD_THREADS enables support for FreeBSD pthreads.  Untested.
+# -DGC_OSF1_THREADS enables support for Tru64 pthreads.
+# -DGC_FREEBSD_THREADS enables support for FreeBSD pthreads.
 #   Appeared to run into some underlying thread problems.
-# -DGC_DARWIN_THREADS enables support for Mac OS X pthreads.  Untested.
+# -DGC_DARWIN_THREADS enables support for Mac OS X pthreads.
+# -DGC_AIX_THREADS enables support for IBM AIX threads.
 # -DGC_DGUX386_THREADS enables support for DB/UX on I386 threads.
 #   See README.DGUX386.
 # -DGC_WIN32_THREADS enables support for win32 threads.  That makes sense
@@ -233,8 +234,8 @@ HOSTCFLAGS=$(CFLAGS)
 # -DTHREAD_LOCAL_ALLOC defines GC_local_malloc(), GC_local_malloc_atomic()
 #   and GC_local_gcj_malloc().  Needed for gc_gcj.h interface.  These allocate
 #   in a way that usually does not involve acquisition of a global lock.
-#   Currently requires -DGC_LINUX_THREADS, but should be easy to port to
-#   other pthreads environments.  Recommended for multiprocessors.
+#   Currently works only on platforms such as Linux which use pthread_support.c.
+#   Recommended for multiprocessors.
 # -DUSE_COMPILER_TLS causes thread local allocation to use compiler-supported
 #   "__thread" thread-local variables.  This is the default in HP/UX.  It
 #   may help performance on recent Linux installations.  (It failed for
@@ -276,16 +277,20 @@ HOSTCFLAGS=$(CFLAGS)
 # -DPOINTER_SHIFT=n causes the collector to left shift candidate pointers
 #   by the indicated amount before trying to interpret them.  Applied
 #   after POINTER_MASK. EXPERIMENTAL.  See also the preceding macro.
+# -DDARWIN_DONT_PARSE_STACK Causes the Darwin port to discover thread
+#   stack bounds in the same way as other pthread ports, without trying to
+#   walk the frames onthe stack.  This is recommended only as a fallback
+#   for applications that don't support proper stack unwinding.
 #
 
 CXXFLAGS= $(CFLAGS) 
 AR= ar
 RANLIB= ranlib
 
 
-OBJS= alloc.o reclaim.o allchblk.o misc.o mach_dep.o os_dep.o mark_rts.o headers.o mark.o obj_map.o blacklst.o finalize.o new_hblk.o dbg_mlc.o malloc.o stubborn.o checksums.o solaris_threads.o aix_irix_threads.o pthread_support.o pthread_stop_world.o darwin_stop_world.o typd_mlc.o ptr_chck.o mallocx.o solaris_pthreads.o gcj_mlc.o specific.o gc_dlopen.o backgraph.o win32_threads.o
+OBJS= alloc.o reclaim.o allchblk.o misc.o mach_dep.o os_dep.o mark_rts.o headers.o mark.o obj_map.o blacklst.o finalize.o new_hblk.o dbg_mlc.o malloc.o stubborn.o checksums.o solaris_threads.o pthread_support.o pthread_stop_world.o darwin_stop_world.o typd_mlc.o ptr_chck.o mallocx.o solaris_pthreads.o gcj_mlc.o specific.o gc_dlopen.o backgraph.o win32_threads.o
 
-CSRCS= reclaim.c allchblk.c misc.c alloc.c mach_dep.c os_dep.c mark_rts.c headers.c mark.c obj_map.c pcr_interface.c blacklst.c finalize.c new_hblk.c real_malloc.c dyn_load.c dbg_mlc.c malloc.c stubborn.c checksums.c solaris_threads.c aix_irix_threads.c pthread_support.c pthread_stop_world.c darwin_stop_world.c typd_mlc.c ptr_chck.c mallocx.c solaris_pthreads.c gcj_mlc.c specific.c gc_dlopen.c backgraph.c win32_threads.c
+CSRCS= reclaim.c allchblk.c misc.c alloc.c mach_dep.c os_dep.c mark_rts.c headers.c mark.c obj_map.c pcr_interface.c blacklst.c finalize.c new_hblk.c real_malloc.c dyn_load.c dbg_mlc.c malloc.c stubborn.c checksums.c solaris_threads.c pthread_support.c pthread_stop_world.c darwin_stop_world.c typd_mlc.c ptr_chck.c mallocx.c solaris_pthreads.c gcj_mlc.c specific.c gc_dlopen.c backgraph.c win32_threads.c
 
 CORD_SRCS=  cord/cordbscs.c cord/cordxtra.c cord/cordprnt.c cord/de.c cord/cordtest.c include/cord.h include/ec.h include/private/cord_pos.h cord/de_win.c cord/de_win.h cord/de_cmds.h cord/de_win.ICO cord/de_win.RC
 

boehm-gc/Makefile.in

@@ -65,12 +65,13 @@ DIST_COMMON = $(srcdir)/../config.guess $(srcdir)/../config.sub \
 	$(srcdir)/../compile $(srcdir)/../compile $(srcdir)/../compile \
 	$(srcdir)/../compile $(srcdir)/../compile $(srcdir)/../compile \
 	$(srcdir)/../compile $(srcdir)/../compile $(srcdir)/../compile \
-	$(srcdir)/../compile $(srcdir)/../compile $(srcdir)/../compile \
-	$(srcdir)/../ltmain.sh $(srcdir)/../config.guess \
-	$(srcdir)/../config.sub
+	$(srcdir)/../compile $(srcdir)/../ltmain.sh \
+	$(srcdir)/../config.guess $(srcdir)/../config.sub
 subdir = .
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
 am__aclocal_m4_deps = $(top_srcdir)/../config/acx.m4 \
+	$(top_srcdir)/../config/depstand.m4 \
+	$(top_srcdir)/../config/lead-dot.m4 \
 	$(top_srcdir)/../config/no-executables.m4 \
 	$(top_srcdir)/../libtool.m4 $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
@@ -82,34 +83,36 @@ CONFIG_HEADER = $(top_builddir)/include/gc_config.h \
 CONFIG_CLEAN_FILES =
 LTLIBRARIES = $(noinst_LTLIBRARIES)
 am__DEPENDENCIES_1 =
-@POWERPC_DARWIN_TRUE@am__objects_1 = powerpc_darwin_mach_dep.lo
-am__objects_2 = allchblk.lo alloc.lo blacklst.lo checksums.lo \
+am_libgcjgc_la_OBJECTS = allchblk.lo alloc.lo blacklst.lo checksums.lo \
 	dbg_mlc.lo dyn_load.lo finalize.lo gc_dlopen.lo gcj_mlc.lo \
-	headers.lo aix_irix_threads.lo malloc.lo mallocx.lo mark.lo \
-	mark_rts.lo misc.lo new_hblk.lo obj_map.lo os_dep.lo \
-	pcr_interface.lo ptr_chck.lo real_malloc.lo reclaim.lo \
-	solaris_pthreads.lo solaris_threads.lo specific.lo stubborn.lo \
-	typd_mlc.lo backgraph.lo win32_threads.lo pthread_support.lo \
-	pthread_stop_world.lo darwin_stop_world.lo $(am__objects_1)
-am_libgcjgc_la_OBJECTS = $(am__objects_2)
+	headers.lo malloc.lo mallocx.lo mark.lo mark_rts.lo misc.lo \
+	new_hblk.lo obj_map.lo os_dep.lo pcr_interface.lo ptr_chck.lo \
+	real_malloc.lo reclaim.lo solaris_pthreads.lo \
+	solaris_threads.lo specific.lo stubborn.lo typd_mlc.lo \
+	backgraph.lo win32_threads.lo pthread_support.lo \
+	pthread_stop_world.lo darwin_stop_world.lo
 libgcjgc_la_OBJECTS = $(am_libgcjgc_la_OBJECTS)
-am_libgcjgc_convenience_la_OBJECTS = $(am__objects_2)
+am__objects_1 = allchblk.lo alloc.lo blacklst.lo checksums.lo \
+	dbg_mlc.lo dyn_load.lo finalize.lo gc_dlopen.lo gcj_mlc.lo \
+	headers.lo malloc.lo mallocx.lo mark.lo mark_rts.lo misc.lo \
+	new_hblk.lo obj_map.lo os_dep.lo pcr_interface.lo ptr_chck.lo \
+	real_malloc.lo reclaim.lo solaris_pthreads.lo \
+	solaris_threads.lo specific.lo stubborn.lo typd_mlc.lo \
+	backgraph.lo win32_threads.lo pthread_support.lo \
+	pthread_stop_world.lo darwin_stop_world.lo
+am_libgcjgc_convenience_la_OBJECTS = $(am__objects_1)
 libgcjgc_convenience_la_OBJECTS =  \
 	$(am_libgcjgc_convenience_la_OBJECTS)
 am__dirstamp = $(am__leading_dot)dirstamp
 am_gctest_OBJECTS = tests/test.$(OBJEXT)
 gctest_OBJECTS = $(am_gctest_OBJECTS)
-gctest_DEPENDENCIES = ./libgcjgc.la $(am__DEPENDENCIES_1) \
-	$(am__DEPENDENCIES_1)
+gctest_DEPENDENCIES = ./libgcjgc.la $(am__DEPENDENCIES_1)
 DEFAULT_INCLUDES = -I. -I$(srcdir) -I$(top_builddir)/include -I$(top_builddir)/include
 depcomp =
 am__depfiles_maybe =
 COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
 	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
 CCLD = $(CC)
-CCASCOMPILE = $(CCAS) $(AM_CCASFLAGS) $(CCASFLAGS)
-LTCCASCOMPILE = $(LIBTOOL) --mode=compile $(CCAS) $(AM_CCASFLAGS) \
-	$(CCASFLAGS)
 SOURCES = $(libgcjgc_la_SOURCES) $(libgcjgc_convenience_la_SOURCES) \
 	$(gctest_SOURCES)
 MULTISRCTOP = 
@@ -254,34 +257,33 @@ SUBDIRS = include
 noinst_LTLIBRARIES = libgcjgc.la libgcjgc_convenience.la
 @POWERPC_DARWIN_FALSE@asm_libgc_sources = 
 @POWERPC_DARWIN_TRUE@asm_libgc_sources = powerpc_darwin_mach_dep.s
-GC_SOURCES = allchblk.c alloc.c blacklst.c checksums.c dbg_mlc.c \
-dyn_load.c finalize.c gc_dlopen.c gcj_mlc.c headers.c aix_irix_threads.c \
+libgcjgc_la_SOURCES = allchblk.c alloc.c blacklst.c checksums.c dbg_mlc.c \
+dyn_load.c finalize.c gc_dlopen.c gcj_mlc.c headers.c \
 malloc.c mallocx.c mark.c mark_rts.c misc.c new_hblk.c \
 obj_map.c os_dep.c pcr_interface.c ptr_chck.c real_malloc.c reclaim.c \
 solaris_pthreads.c solaris_threads.c specific.c stubborn.c typd_mlc.c \
 backgraph.c win32_threads.c \
 pthread_support.c pthread_stop_world.c darwin_stop_world.c \
-$(asm_libgc_sources)
+$(asm_libgcjgc_sources)
 
+libgcjgc_convenience_la_SOURCES = $(libgcjgc_la_SOURCES)
 EXTRA_DIST = alpha_mach_dep.S \
 mips_sgi_mach_dep.s mips_ultrix_mach_dep.s powerpc_darwin_mach_dep.s \
 rs6000_mach_dep.s sparc_mach_dep.S sparc_netbsd_mach_dep.s \
 sparc_sunos4_mach_dep.s ia64_save_regs_in_stack.s
 
-libgcjgc_la_SOURCES = $(GC_SOURCES)
-libgcjgc_convenience_la_SOURCES = $(GC_SOURCES)
 
 # Include THREADLIBS here to ensure that the correct versions of
 # linuxthread semaphore functions get linked:
-libgcjgc_la_LIBADD = @addobjs@ $(THREADLIBS)
+libgcjgc_la_LIBADD = @addobjs@ $(THREADLIBS) $(UNWINDLIBS)
 libgcjgc_la_DEPENDENCIES = @addobjs@
-libgcjgc_la_LDFLAGS = -version-info 1:1:0 -rpath $(toolexeclibdir)
+libgcjgc_la_LDFLAGS = -version-info 1:2:0 -rpath $(toolexeclibdir)
 libgcjgc_convenience_la_LIBADD = @addobjs@
 libgcjgc_convenience_la_DEPENDENCIES = @addobjs@
 AM_CXXFLAGS = @GC_CFLAGS@
 AM_CFLAGS = @GC_CFLAGS@
 gctest_SOURCES = tests/test.c
-gctest_LDADD = ./libgcjgc.la $(THREADLIBS) $(EXTRA_TEST_LIBS)
+gctest_LDADD = ./libgcjgc.la $(THREADDLLIBS) $(UNWINDLIBS) $(EXTRA_TEST_LIBS)
 gctest_LDFLAGS = -shared-libgcc
 TESTS_ENVIRONMENT = LD_LIBRARY_PATH=../../$(MULTIBUILDTOP)gcc
 TESTS = gctest
@@ -414,12 +416,6 @@ distclean-compile:
 .c.lo:
 	$(LTCOMPILE) -c -o $@ $<
 
-.s.o:
-	$(CCASCOMPILE) -c $<
-
-.s.obj:
-	$(CCASCOMPILE) -c `$(CYGPATH_W) '$<'`
-
 mostlyclean-libtool:
 	-rm -f *.lo
 

boehm-gc/aclocal.m4

@@ -547,39 +547,6 @@ AC_DEFUN([AM_PROG_INSTALL_SH],
 install_sh=${install_sh-"$am_aux_dir/install-sh"}
 AC_SUBST(install_sh)])
 
-#                                                          -*- Autoconf -*-
-# Copyright (C) 2003  Free Software Foundation, Inc.
-
-# This program 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 2, or (at your option)
-# any later version.
-
-# This program 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.
-
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
-# 02111-1307, USA.
-
-# serial 1
-
-# Check whether the underlying file-system supports filenames
-# with a leading dot.  For instance MS-DOS doesn't.
-AC_DEFUN([AM_SET_LEADING_DOT],
-[rm -rf .tst 2>/dev/null
-mkdir .tst 2>/dev/null
-if test -d .tst; then
-  am__leading_dot=.
-else
-  am__leading_dot=_
-fi
-rmdir .tst 2>/dev/null
-AC_SUBST([am__leading_dot])])
-
 # Add --enable-maintainer-mode option to configure.
 # From Jim Meyering
 
@@ -1168,5 +1135,7 @@ AC_SUBST([am__untar])
 ]) # _AM_PROG_TAR
 
 m4_include([../config/acx.m4])
+m4_include([../config/depstand.m4])
+m4_include([../config/lead-dot.m4])
 m4_include([../config/no-executables.m4])
 m4_include([../libtool.m4])