1 #
   2 # Copyright (c) 2016, 2018, 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 ################################################################################
  27 # Generate classlist
  28 ################################################################################
  29 
  30 default: all
  31 
  32 include $(SPEC)
  33 include MakeBase.gmk
  34 include SetupJavaCompilers.gmk
  35 
  36 ################################################################################
  37 # Create a jar with our generator class. Using a jar is intentional since it
  38 # will load more classes
  39 
  40 $(eval $(call SetupJavaCompilation, CLASSLIST_JAR, \
  41     SETUP := GENERATE_JDKBYTECODE, \
  42     SRC := $(TOPDIR)/make/jdk/src/classes, \
  43     INCLUDES := build/tools/classlist, \
  44     BIN := $(BUILDTOOLS_OUTPUTDIR)/classlist_classes, \
  45     JAR := $(SUPPORT_OUTPUTDIR)/classlist.jar, \
  46 ))
  47 
  48 TARGETS += $(CLASSLIST_JAR)
  49 
  50 ################################################################################
  51 
  52 LINK_OPT_DIR := $(SUPPORT_OUTPUTDIR)/link_opt
  53 CLASSLIST_FILE := $(LINK_OPT_DIR)/classlist
  54 JLI_TRACE_FILE := $(LINK_OPT_DIR)/default_jli_trace.txt
  55 
  56 # If an external buildjdk has been supplied, we don't build a separate interim
  57 # image, so just use the external build jdk instead.
  58 ifeq ($(EXTERNAL_BUILDJDK), true)
  59   INTERIM_IMAGE_DIR := $(BUILD_JDK)
  60 endif
  61 
  62 # Save the stderr output of the command and print it along with stdout in case
  63 # something goes wrong.
  64 $(CLASSLIST_FILE): $(INTERIM_IMAGE_DIR)/bin/java$(EXE_SUFFIX) $(CLASSLIST_JAR)
  65         $(call MakeDir, $(LINK_OPT_DIR))
  66         $(call LogInfo, Generating $(patsubst $(OUTPUTDIR)/%, %, $@))
  67         $(call LogInfo, Generating $(patsubst $(OUTPUTDIR)/%, %, $(JLI_TRACE_FILE)))
  68         $(FIXPATH) $(INTERIM_IMAGE_DIR)/bin/java -XX:DumpLoadedClassList=$@.raw \
  69             -Djava.lang.invoke.MethodHandle.TRACE_RESOLVE=true \
  70             -cp $(SUPPORT_OUTPUTDIR)/classlist.jar \
  71             build.tools.classlist.HelloClasslist \
  72             2> $(LINK_OPT_DIR)/stderr > $(JLI_TRACE_FILE) \
  73             || ( \
  74                 exitcode=$$? ; \
  75                 $(ECHO) "ERROR: Failed to generate link optimization data." \
  76                     "This is likely a problem with the newly built JVM/JDK." ; \
  77                 $(CAT) $(LINK_OPT_DIR)/stderr $(JLI_TRACE_FILE) ; \
  78                 exit $$exitcode \
  79             )
  80         $(GREP) -v HelloClasslist $@.raw > $@
  81 
  82 # The jli trace is created by the same recipe as classlist. By declaring these
  83 # dependencies, make will correctly rebuild both jli trace and classlist
  84 # incrementally using the single recipe above.
  85 $(CLASSLIST_FILE): $(JLI_TRACE_FILE)
  86 $(JLI_TRACE_FILE): $(INTERIM_IMAGE_DIR)/bin/java$(EXE_SUFFIX) $(CLASSLIST_JAR)
  87 
  88 TARGETS += $(CLASSLIST_FILE) $(JLI_TRACE_FILE)
  89 
  90 # Copy the classlist file into java.base libs
  91 $(eval $(call SetupCopyFiles, COPY_CLASSLIST, \
  92     FILES := $(CLASSLIST_FILE), \
  93     DEST := $(SUPPORT_OUTPUTDIR)/modules_libs/java.base, \
  94 ))
  95 
  96 TARGETS += $(COPY_CLASSLIST)
  97 
  98 # Copy the default_jli_trace.txt file into jdk.jlink
  99 $(eval $(call SetupCopyFiles, COPY_JLI_TRACE, \
 100     FILES := $(JLI_TRACE_FILE), \
 101     DEST := $(JDK_OUTPUTDIR)/modules/jdk.jlink/jdk/tools/jlink/internal/plugins, \
 102 ))
 103 
 104 # Because of the single recipe for jli trace and classlist above, the
 105 # COPY_JLI_TRACE rule needs to explicitly add the classlist file as a
 106 # prerequisite.
 107 $(COPY_JLI_TRACE): $(CLASSLIST_FILE)
 108 
 109 TARGETS += $(COPY_JLI_TRACE)
 110 
 111 ################################################################################
 112 
 113 all: $(TARGETS)