Wed, 26 Jul 2017 15:19:03 +0800
[GC] Don't copy the null pointers.
aoqi@0 | 1 | # |
aoqi@0 | 2 | # Copyright (c) 2006, 2012, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | # |
aoqi@0 | 5 | # This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | # under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | # published by the Free Software Foundation. |
aoqi@0 | 8 | # |
aoqi@0 | 9 | # This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 10 | # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 11 | # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 12 | # version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 13 | # accompanied this code). |
aoqi@0 | 14 | # |
aoqi@0 | 15 | # You should have received a copy of the GNU General Public License version |
aoqi@0 | 16 | # 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 17 | # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 18 | # |
aoqi@0 | 19 | # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 20 | # or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 21 | # questions. |
aoqi@0 | 22 | # |
aoqi@0 | 23 | # |
aoqi@0 | 24 | |
aoqi@0 | 25 | # A list of object files built without the platform specific PIC flags, e.g. |
aoqi@0 | 26 | # -fPIC on linux. Performance measurements show that by compiling GC related |
aoqi@0 | 27 | # code, we could significantly reduce the GC pause time on 32 bit Linux/Unix |
aoqi@0 | 28 | # platforms. See 6454213 for more details. |
aoqi@0 | 29 | include $(GAMMADIR)/make/scm.make |
aoqi@0 | 30 | |
aoqi@0 | 31 | ifneq ($(OSNAME), windows) |
aoqi@0 | 32 | ifndef LP64 |
aoqi@0 | 33 | PARTIAL_NONPIC=1 |
aoqi@0 | 34 | endif |
aoqi@0 | 35 | PIC_ARCH = ppc arm |
aoqi@0 | 36 | ifneq ("$(filter $(PIC_ARCH),$(BUILDARCH))","") |
aoqi@0 | 37 | PARTIAL_NONPIC=0 |
aoqi@0 | 38 | endif |
aoqi@0 | 39 | ifeq ($(PARTIAL_NONPIC),1) |
aoqi@0 | 40 | NONPIC_DIRS = memory oops gc_implementation gc_interface |
aoqi@0 | 41 | NONPIC_DIRS := $(foreach dir,$(NONPIC_DIRS), $(GAMMADIR)/src/share/vm/$(dir)) |
aoqi@0 | 42 | # Look for source files under NONPIC_DIRS |
aoqi@0 | 43 | NONPIC_FILES := $(foreach dir,$(NONPIC_DIRS),\ |
aoqi@0 | 44 | $(shell find $(dir) \( $(SCM_DIRS) \) -prune -o \ |
aoqi@0 | 45 | -name '*.cpp' -print)) |
aoqi@0 | 46 | NONPIC_OBJ_FILES := $(notdir $(subst .cpp,.o,$(NONPIC_FILES))) |
aoqi@0 | 47 | endif |
aoqi@0 | 48 | endif |