1# 2# Copyright (c) 2012, 2014, 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. Oracle designates this 8# particular file as subject to the "Classpath" exception as provided 9# by Oracle in the LICENSE file that accompanied this code. 10# 11# This code is distributed in the hope that it will be useful, but WITHOUT 12# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14# version 2 for more details (a copy is included in the LICENSE file that 15# accompanied this code). 16# 17# You should have received a copy of the GNU General Public License version 18# 2 along with this work; if not, write to the Free Software Foundation, 19# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20# 21# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22# or visit www.oracle.com if you need additional information or have any 23# questions. 24# 25 26# This file is responsible for extracting the x11 native struct offsets to 27# the xawt Java library. The tool needs to be run on the os/arch that 28# will host the final jvm, thus the tool cannot be used when cross compiling. 29 30# To enable cross compiling, the two versions of the generated offset file, 31# sizes.32 and sizes.64 are committed into the source code repository. 32# These are the ones used. 33 34# However when not cross compiling, the offset generator tool is built and 35# run, to verify that it still generates the same sizes.32 and sizes.64. 36 37GENSRC_X11WRAPPERS := 38# Put temporary c-code and executable to calculate offsets here. 39# Also put verification offset file here as well. 40GENSRC_X11WRAPPERS_TMP := $(SUPPORT_OUTPUTDIR)/gensrc/java.desktop/_x11wrappers 41# Put the generated Java classes used to interface X11 from awt here. 42GENSRC_X11WRAPPERS_DST := $(SUPPORT_OUTPUTDIR)/gensrc/java.desktop/sun/awt/X11 43 44# The pre-calculated offset file are stored here: 45GENSRC_SIZER_DIR := $(JDK_TOPDIR)/make/data/x11wrappergen 46 47# Normal case is to generate only according to target bits 48GENSRC_X11_VERSION := $(OPENJDK_TARGET_CPU_BITS) 49ifeq ($(OPENJDK_TARGET_CPU_BITS), 64) 50 ifneq ($(OPENJDK_TARGET_OS), linux) 51 # On all 64-bit systems except Linux, generate both 32 and 64 bit versions 52 GENSRC_X11_VERSION := 32 64 53 endif 54else 55 ifeq ($(OPENJDK_TARGET_OS), solaris) 56 # As a special case, solaris 32-bit also generates the 64-bit version 57 GENSRC_X11_VERSION := 32 64 58 endif 59endif 60 61GENSRC_X11_SIZES_USED := $(addprefix $(GENSRC_X11WRAPPERS_TMP)/sizes., $(GENSRC_X11_VERSION)) 62 63# Copy only the sizes.* files that are actually needed. WrapperGenerator picks up any it finds from the 64# file prefix it is given so those not needed need to be hidden. 65$(GENSRC_X11WRAPPERS_TMP)/sizes.%: $(GENSRC_SIZER_DIR)/sizes.% 66 $(call MakeDir, $(@D)) 67 $(RM) '$@' 68 $(SORT) $< > $@ 69 70# Run the tool on the offset files copied from the source repository to generate several Java classes 71# used in awt. 72$(SUPPORT_OUTPUTDIR)/gensrc/java.desktop/_the.generated.x11: $(GENSRC_X11_SIZES_USED) $(BUILD_TOOLS_JDK) 73 $(call MakeDir, $(GENSRC_X11WRAPPERS_DST)) 74 $(TOOL_WRAPPERGENERATOR) $(GENSRC_X11WRAPPERS_DST) $(GENSRC_SIZER_DIR)/xlibtypes.txt "gen" $(GENSRC_X11WRAPPERS_TMP)/sizes 75 $(TOUCH) $@ 76 77GENSRC_X11WRAPPERS += $(SUPPORT_OUTPUTDIR)/gensrc/java.desktop/_the.generated.x11 78 79ifneq ($(COMPILE_TYPE), cross) 80 # This is not a cross compile, regenerate the offset file, so that we 81 # can compare it with the version in the source code repository. 82 83 # Generate the C code for the program that will output the offset file. 84 $(GENSRC_X11WRAPPERS_TMP)/sizer.%.c: $(GENSRC_SIZER_DIR)/xlibtypes.txt $(BUILD_TOOLS_JDK) 85 $(call LogInfo, Generating X11 wrapper ($*-bit version)) 86 $(call MakeDir, $(@D)) 87 $(TOOL_WRAPPERGENERATOR) $(@D) $(GENSRC_SIZER_DIR)/xlibtypes.txt "sizer" $* 88 89 # use -m32/-m64 only if the compiler supports it 90 ifeq ($(COMPILER_SUPPORTS_TARGET_BITS_FLAG), true) 91 MEMORY_MODEL_FLAG="$(COMPILER_TARGET_BITS_FLAG)$*" 92 endif 93 94 SIZER_CFLAGS := \ 95 -I$(JDK_TOPDIR)/src/java.base/share/native/include \ 96 -I$(JDK_TOPDIR)/src/java.base/$(OPENJDK_TARGET_OS_EXPORT_DIR)/native/include \ 97 -I$(JDK_TOPDIR)/src/java.base/share/native/libjava \ 98 -I$(JDK_TOPDIR)/src/java.base/$(OPENJDK_TARGET_OS_TYPE)/native/libjava \ 99 -I$(JDK_TOPDIR)/src/java.desktop/$(OPENJDK_TARGET_OS_TYPE)/native/common/awt \ 100 -I$(JDK_TOPDIR)/src/java.desktop/share/native/common/awt/debug \ 101 -I$(JDK_TOPDIR)/src/java.desktop/share/native/libawt/awt/image/cvutils \ 102 # 103 104 # Compile the C code into an executable. 105 $(GENSRC_X11WRAPPERS_TMP)/sizer.%.exe: $(GENSRC_X11WRAPPERS_TMP)/sizer.%.c 106 $(call MakeDir, $(@D)) 107 (cd $(@D) && $(CC) $(MEMORY_MODEL_FLAG) -o $@ $< \ 108 $(X_CFLAGS) \ 109 $(X_LIBS) \ 110 $(SIZER_CFLAGS) -lc) 111 112 .PRECIOUS: $(GENSRC_X11WRAPPERS_TMP)/sizer.%.exe $(GENSRC_X11WRAPPERS_TMP)/sizer.%.c 113 114 # Run the executable create the offset file and check that it is identical 115 # to the offset file in the source code repository. 116 $(GENSRC_X11WRAPPERS_TMP)/sizes.%.verification: $(GENSRC_X11WRAPPERS_TMP)/sizer.%.exe 117 $(call LogInfo, Verifying X11 wrapper sizes) 118 $(call MakeDir, $(@D)) 119 $(GENSRC_X11WRAPPERS_TMP)/sizer.$*.exe | $(SORT) > $@.tmp 120 $(DIFF) $(GENSRC_X11WRAPPERS_TMP)/sizes.$*.verification.tmp $(GENSRC_X11WRAPPERS_TMP)/sizes.$* 121 mv $@.tmp $@ 122 123 GENSRC_X11WRAPPERS += $(GENSRC_X11WRAPPERS_TMP)/sizes.$(OPENJDK_TARGET_CPU_BITS).verification 124endif 125 126GENSRC_JAVA_DESKTOP += $(GENSRC_X11WRAPPERS) 127