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7048782: CMS: assert(last_chunk_index_to_check<= last_chunk_index) failed: parCardTableModRefBS.cpp:359 Summary: The LNC array is sized before the start of a scavenge, while the heap may expand during a scavenge. With CMS, the last block of an arbitrary suffice of the LNC array may expand due to coalition with the expansion delta. We now take care not to attempt access past the end of the LNC array. LNC array code will be cleaned up and suitably encapsulated as part of the forthcoming performance RFE 7043675. Reviewed-by: brutisso
author ysr
date Thu, 02 Jun 2011 10:23:36 -0700
parents cb2d0a362639
children 719f7007c8e8
line wrap: on
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#
# Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
#
# This code is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License version 2 only, as
# published by the Free Software Foundation.
#
# This code 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
# version 2 for more details (a copy is included in the LICENSE file that
# accompanied this code).
#
# You should have received a copy of the GNU General Public License version
# 2 along with this work; if not, write to the Free Software Foundation,
# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
# or visit www.oracle.com if you need additional information or have any
# questions.
#  
#

# Rules to build gamma launcher, used by vm.make

LAUNCHER_SCRIPT = hotspot
LAUNCHER   = gamma

LAUNCHERDIR   = $(GAMMADIR)/src/os/posix/launcher
LAUNCHERDIR_SHARE := $(GAMMADIR)/src/share/tools/launcher
LAUNCHERFLAGS = $(ARCHFLAG) \
                -I$(LAUNCHERDIR) -I$(GAMMADIR)/src/share/vm/prims \
                -I$(LAUNCHERDIR_SHARE) \
                -DFULL_VERSION=\"$(HOTSPOT_RELEASE_VERSION)\" \
                -DJDK_MAJOR_VERSION=\"$(JDK_MAJOR_VERSION)\" \
                -DJDK_MINOR_VERSION=\"$(JDK_MINOR_VERSION)\" \
                -DARCH=\"$(LIBARCH)\" \
                -DGAMMA \
                -DLAUNCHER_TYPE=\"gamma\" \
                -DLINK_INTO_$(LINK_INTO) \
                $(TARGET_DEFINES)

ifeq ($(LINK_INTO),AOUT)
  LAUNCHER.o                 = launcher.o $(JVM_OBJ_FILES)
  LAUNCHER_MAPFILE           = mapfile_reorder
  LFLAGS_LAUNCHER$(LDNOMAP) += $(MAPFLAG:FILENAME=$(LAUNCHER_MAPFILE))
  LIBS_LAUNCHER             += $(LIBS)
else
  LAUNCHER.o                 = launcher.o
  LFLAGS_LAUNCHER           += -L `pwd`
  LIBS_LAUNCHER             += -l$(JVM) $(LIBS)
endif

LINK_LAUNCHER = $(LINK.CC)

LINK_LAUNCHER/PRE_HOOK  = $(LINK_LIB.CC/PRE_HOOK)
LINK_LAUNCHER/POST_HOOK = $(LINK_LIB.CC/POST_HOOK)

ifeq ("${Platform_compiler}", "sparcWorks")
# Enable the following LAUNCHERFLAGS addition if you need to compare the
# built ELF objects.
#
# The -g option makes static data global and the "-W0,-noglobal"
# option tells the compiler to not globalize static data using a unique
# globalization prefix. Instead force the use of a static globalization
# prefix based on the source filepath so the objects from two identical
# compilations are the same.
#
# Note: The blog says to use "-W0,-xglobalstatic", but that doesn't
#       seem to work. I got "-W0,-noglobal" from Kelly and that works.
#LAUNCHERFLAGS += -W0,-noglobal
endif # Platform_compiler == sparcWorks

LAUNCHER_OUT = launcher

SUFFIXES += .d

SOURCES := $(shell find $(LAUNCHERDIR) -name "*.c")
SOURCES_SHARE := $(shell find $(LAUNCHERDIR_SHARE) -name "*.c")

OBJS := $(patsubst $(LAUNCHERDIR)/%.c,$(LAUNCHER_OUT)/%.o,$(SOURCES)) $(patsubst $(LAUNCHERDIR_SHARE)/%.c,$(LAUNCHER_OUT)/%.o,$(SOURCES_SHARE))

DEPFILES := $(patsubst %.o,%.d,$(OBJS))
-include $(DEPFILES)

$(LAUNCHER_OUT)/%.o: $(LAUNCHERDIR_SHARE)/%.c
	$(QUIETLY) [ -d $(LAUNCHER_OUT) ] || { mkdir -p $(LAUNCHER_OUT); }
	$(QUIETLY) $(CC) -g -o $@ -c $< -MMD $(LAUNCHERFLAGS) $(CPPFLAGS)

$(LAUNCHER_OUT)/%.o: $(LAUNCHERDIR)/%.c
	$(QUIETLY) [ -d $(LAUNCHER_OUT) ] || { mkdir -p $(LAUNCHER_OUT); }
	$(QUIETLY) $(CC) -g -o $@ -c $< -MMD $(LAUNCHERFLAGS) $(CPPFLAGS)

$(LAUNCHER): $(OBJS) $(LIBJVM) $(LAUNCHER_MAPFILE)
ifeq ($(filter -sbfast -xsbfast, $(CFLAGS_BROWSE)),)
	$(QUIETLY) echo Linking launcher...
	$(QUIETLY) $(LINK_LAUNCHER/PRE_HOOK)
	$(QUIETLY) $(LINK_LAUNCHER) $(LFLAGS_LAUNCHER) -o $@ $(OBJS) $(LIBS_LAUNCHER)
	$(QUIETLY) $(LINK_LAUNCHER/POST_HOOK)
endif # filter -sbfast -xsbfast

$(LAUNCHER): $(LAUNCHER_SCRIPT)

$(LAUNCHER_SCRIPT): $(LAUNCHERDIR)/launcher.script
	$(QUIETLY) sed -e 's/@@LIBARCH@@/$(LIBARCH)/g' $< > $@
	$(QUIETLY) chmod +x $@