1 #
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   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
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   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 
  37 GENSRC_X11WRAPPERS :=
  38 # Put temporary c-code and executable to calculate offsets here.
  39 # Also put verification offset file here as well.
  40 GENSRC_X11WRAPPERS_TMP := $(SUPPORT_OUTPUTDIR)/gensrc/java.desktop/_x11wrappers
  41 # Put the generated Java classes used to interface X11 from awt here.
  42 GENSRC_X11WRAPPERS_DST := $(SUPPORT_OUTPUTDIR)/gensrc/java.desktop/sun/awt/X11
  43 
  44 # The pre-calculated offset file are stored here:
  45 GENSRC_SIZER_DIR := $(TOPDIR)/make/data/x11wrappergen
  46 
  47 # Normal case is to generate only according to target bits
  48 GENSRC_X11_VERSION := $(OPENJDK_TARGET_CPU_BITS)
  49 ifeq ($(OPENJDK_TARGET_CPU_BITS), 64)
  50   ifneq ($(OPENJDK_TARGET_OS), linux)
  51     # On all 64-bit systems except Linux, generate both 32 and 64 bit versions
  52     GENSRC_X11_VERSION := 32 64
  53   endif
  54 else
  55   ifeq ($(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
  59 endif
  60 
  61 GENSRC_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 
  77 GENSRC_X11WRAPPERS += $(SUPPORT_OUTPUTDIR)/gensrc/java.desktop/_the.generated.x11
  78 
  79 ifneq ($(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$(TOPDIR)/src/hotspot/share/include \
  96       -I$(TOPDIR)/src/hotspot/os/$(HOTSPOT_TARGET_OS_TYPE)/include \
  97       -I$(SUPPORT_OUTPUTDIR)/modules_include/java.base \
  98       -I$(SUPPORT_OUTPUTDIR)/modules_include/java.base/$(OPENJDK_TARGET_OS_INCLUDE_SUBDIR) \
  99       -I$(TOPDIR)/src/java.base/share/native/libjava \
 100       -I$(TOPDIR)/src/java.base/$(OPENJDK_TARGET_OS_TYPE)/native/libjava \
 101       -I$(TOPDIR)/src/java.desktop/$(OPENJDK_TARGET_OS_TYPE)/native/common/awt \
 102       -I$(TOPDIR)/src/java.desktop/share/native/common/awt/debug \
 103       -I$(TOPDIR)/src/java.desktop/share/native/libawt/awt/image/cvutils \
 104       #
 105 
 106   # Compile the C code into an executable.
 107   $(GENSRC_X11WRAPPERS_TMP)/sizer.%.exe: $(GENSRC_X11WRAPPERS_TMP)/sizer.%.c
 108         $(call MakeDir, $(@D))
 109         (cd $(@D) && $(CC) $(MEMORY_MODEL_FLAG) -o $@ $< \
 110             $(X_CFLAGS) \
 111             $(X_LIBS) \
 112             $(SIZER_CFLAGS) -lc)
 113 
 114   .PRECIOUS: $(GENSRC_X11WRAPPERS_TMP)/sizer.%.exe $(GENSRC_X11WRAPPERS_TMP)/sizer.%.c
 115 
 116   # Run the executable create the offset file and check that it is identical
 117   # to the offset file in the source code repository.
 118   $(GENSRC_X11WRAPPERS_TMP)/sizes.%.verification: $(GENSRC_X11WRAPPERS_TMP)/sizer.%.exe
 119         $(call LogInfo, Verifying X11 wrapper sizes)
 120         $(call MakeDir, $(@D))
 121         $(GENSRC_X11WRAPPERS_TMP)/sizer.$*.exe | $(SORT) > $@.tmp
 122         $(DIFF) $(GENSRC_X11WRAPPERS_TMP)/sizes.$*.verification.tmp $(GENSRC_X11WRAPPERS_TMP)/sizes.$*
 123         mv $@.tmp $@
 124 
 125   GENSRC_X11WRAPPERS += $(GENSRC_X11WRAPPERS_TMP)/sizes.$(OPENJDK_TARGET_CPU_BITS).verification
 126 endif
 127 
 128 GENSRC_JAVA_DESKTOP += $(GENSRC_X11WRAPPERS)