Import Boehm GC version 6.6.

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

1 files changed, 13 insertions, 8 deletions

diff --git a/boehm-gc/Makefile.direct b/boehm-gc/Makefile.direct
index 20fa40a9a08..1f03b511c3b 100644
--- a/boehm-gc/Makefile.direct
+++ b/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
@@ -276,6 +277,10 @@ 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) 
@@ -283,9 +288,9 @@ 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