make/pic.make

Mon, 21 Jul 2014 10:00:31 +0200

author
tschatzl
date
Mon, 21 Jul 2014 10:00:31 +0200
changeset 7018
a22acf6d7598
parent 4025
0771839a29ab
child 6876
710a3c8b516e
permissions
-rw-r--r--

8048112: G1 Full GC needs to support the case when the very first region is not available
Summary: Refactor preparation for compaction during Full GC so that it lazily initializes the first compaction point. This also avoids problems later when the first region may not be committed. Also reviewed by K. Barrett.
Reviewed-by: brutisso

     1 #
     2 # Copyright (c) 2006, 2012, Oracle and/or its affiliates. All rights reserved.
     3 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     4 #
     5 # This code is free software; you can redistribute it and/or modify it
     6 # under the terms of the GNU General Public License version 2 only, as
     7 # published by the Free Software Foundation.
     8 #
     9 # This code is distributed in the hope that it will be useful, but WITHOUT
    10 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    11 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    12 # version 2 for more details (a copy is included in the LICENSE file that
    13 # accompanied this code).
    14 #
    15 # You should have received a copy of the GNU General Public License version
    16 # 2 along with this work; if not, write to the Free Software Foundation,
    17 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    18 #
    19 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    20 # or visit www.oracle.com if you need additional information or have any
    21 # questions.
    22 #  
    23 #
    25 # A list of object files built without the platform specific PIC flags, e.g.
    26 # -fPIC on linux. Performance measurements show that by compiling GC related 
    27 # code, we could significantly reduce the GC pause time on 32 bit Linux/Unix
    28 # platforms. See 6454213 for more details.
    29 include $(GAMMADIR)/make/scm.make
    31 ifneq ($(OSNAME), windows)
    32   ifndef LP64
    33     PARTIAL_NONPIC=1
    34   endif
    35   PIC_ARCH = ppc arm
    36   ifneq ("$(filter $(PIC_ARCH),$(BUILDARCH))","")
    37     PARTIAL_NONPIC=0
    38   endif
    39   ifeq ($(PARTIAL_NONPIC),1)
    40     NONPIC_DIRS  = memory oops gc_implementation gc_interface 
    41     NONPIC_DIRS  := $(foreach dir,$(NONPIC_DIRS), $(GAMMADIR)/src/share/vm/$(dir))
    42     # Look for source files under NONPIC_DIRS
    43     NONPIC_FILES := $(foreach dir,$(NONPIC_DIRS),\
    44                       $(shell find $(dir) \( $(SCM_DIRS) \) -prune -o \
    45 		      -name '*.cpp' -print))
    46     NONPIC_OBJ_FILES := $(notdir $(subst .cpp,.o,$(NONPIC_FILES)))
    47   endif
    48 endif

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