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7004681: G1: Extend marking verification to Full GCs Summary: Perform a heap verification after the first phase of G1's full GC using objects' mark words to determine liveness. The third parameter of the heap verification routines, which was used in G1 to determine which marking bitmap to use in liveness calculations, has been changed from a boolean to an enum with values defined for using the mark word, and the 'prev' and 'next' bitmaps. Reviewed-by: tonyp, ysr
author johnc
date Tue, 14 Jun 2011 11:01:10 -0700
parents 0a8e0d4345b3
children 19241ae0d839
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#
# Copyright (c) 1998, 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.
#  
#

# Sets make macros for making optimized version of Gamma VM
# (This is the "product", not the "release" version.)

# Compiler specific OPT_CFLAGS are passed in from gcc.make, sparcWorks.make
OPT_CFLAGS/DEFAULT= $(OPT_CFLAGS)
OPT_CFLAGS/BYFILE = $(OPT_CFLAGS/$@)$(OPT_CFLAGS/DEFAULT$(OPT_CFLAGS/$@))

# (OPT_CFLAGS/SLOWER is also available, to alter compilation of buggy files)
ifeq ("${Platform_compiler}", "sparcWorks")

ifeq ($(shell expr $(COMPILER_REV_NUMERIC) \>= 509), 1)
# dtrace cannot handle tail call optimization (6672627, 6693876)
OPT_CFLAGS/jni.o = $(OPT_CFLAGS/DEFAULT) $(OPT_CCFLAGS/NO_TAIL_CALL_OPT)
endif # COMPILER_NUMERIC_REV >= 509

# Workaround SS11 bug 6345274 (all platforms) (Fixed in SS11 patch and SS12)
ifeq ($(COMPILER_REV_NUMERIC),508)
OPT_CFLAGS/ciTypeFlow.o = $(OPT_CFLAGS/O2)
endif # COMPILER_REV_NUMERIC == 508

endif # Platform_compiler == sparcWorks

# If you set HOTSPARC_GENERIC=yes, you disable all OPT_CFLAGS settings
CFLAGS$(HOTSPARC_GENERIC) += $(OPT_CFLAGS/BYFILE)

# Linker mapfiles
# NOTE: inclusion of nonproduct mapfile not necessary; read it for details
MAPFILE = $(GAMMADIR)/make/solaris/makefiles/mapfile-vers \
          $(GAMMADIR)/make/solaris/makefiles/mapfile-vers-nonproduct

# This mapfile is only needed when compiling with dtrace support, 
# and mustn't be otherwise.
MAPFILE_DTRACE = $(GAMMADIR)/make/solaris/makefiles/mapfile-vers-$(TYPE)

# Set the environment variable HOTSPARC_GENERIC to "true"
# to inhibit the effect of the previous line on CFLAGS.

G_SUFFIX =
VERSION = optimized