make/hotspot/gensrc/GensrcJfr.gmk

#
# Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
#
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# particular file as subject to the "Classpath" exception as provided
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# version 2 for more details (a copy is included in the LICENSE file that
# accompanied this code).
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# 2 along with this work; if not, write to the Free Software Foundation,
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$(eval $(call IncludeCustomExtension, hotspot/gensrc/GensrcJfr.gmk))

################################################################################
# Build tools needed for the Jfr source code generation

JFR_TOOLS_SRCDIR := $(TOPDIR)/src/hotspot/share/jfr/metadata
JFR_TOOLS_OUTPUTDIR := $(JVM_VARIANT_OUTPUTDIR)/tools/jfr

$(eval $(call SetupJavaCompiler, GENERATE_JFRBYTECODE, \
    JAVAC := $(JAVAC), \
    FLAGS := $(DISABLE_WARNINGS), \
    SERVER_DIR := $(SJAVAC_SERVER_DIR), \
    SERVER_JVM := $(SJAVAC_SERVER_JAVA), \
    DISABLE_SJAVAC := true, \
))

$(eval $(call SetupJavaCompilation, BUILD_JFR_TOOLS, \
    SETUP := GENERATE_JFRBYTECODE, \
    SRC := $(JFR_TOOLS_SRCDIR), \
    INCLUDE_FILES := GenerateJfrFiles.java, \
    BIN := $(JFR_TOOLS_OUTPUTDIR), \
))

TOOL_JFR_GEN := $(JAVA_SMALL) -cp $(JFR_TOOLS_OUTPUTDIR) GenerateJfrFiles

################################################################################
# Setup make rules for Jfr file file generation.
#
# Parameter 1 is the name of the rule. This name is used as variable prefix,
# and the targets generated are listed in a variable by that name. This name is
# also used as the name of the output file.
#
# Remaining parameters are named arguments. These include:
#   XML_FILE -- The input source file to use
#   XSD_FILE -- The input schema for validation
#   OUTPUT_DIR -- The directory to put the generated file in
SetupJfrGeneration = $(NamedParamsMacroTemplate)
define SetupJfrGenerationBody
  $$($1_OUTPUT_DIR)/$1: $$($1_XML_FILE) $$($1_XSD_FILE) $$(BUILD_JFR_TOOLS)
	$$(call LogInfo, Generating $$(@F))
	$$(call MakeDir, $$(@D))
	$$(call ExecuteWithLog, $$@, $$(TOOL_JFR_GEN) $$($1_XML_FILE) $$($1_XSD_FILE) $$($1_OUTPUT_DIR))
	test -f $$@

  TARGETS += $$($1_OUTPUT_DIR)/$1

endef

################################################################################
# Create files in gensrc/jfrfiles

JFR_OUTPUTDIR := $(JVM_VARIANT_OUTPUTDIR)/gensrc/jfrfiles
JFR_SRCDIR := $(TOPDIR)/src/hotspot/share/jfr/metadata

METADATA_XML ?= $(JFR_SRCDIR)/metadata.xml
METADATA_XSD ?= $(JFR_SRCDIR)/metadata.xsd

# Changing these will trigger a rebuild of generated jfr files.
JFR_DEPS += \
    $(METADATA_XML) \
    $(METADATA_XSD) \
    #

# our generator will generate all files in one go, so only need to setup one target rule
$(eval $(call SetupJfrGeneration, jfrEventClasses.hpp, \
    XML_FILE := $(METADATA_XML), \
    XSD_FILE := $(METADATA_XSD), \
    OUTPUT_DIR := $(JFR_OUTPUTDIR), \
))