#

# Copyright (c) 2013, 2016, Oracle and/or its affiliates. All rights reserved.

# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

#

# This code is free software; you can redistribute it and/or modify it

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# published by the Free Software Foundation.  Oracle designates this

# particular file as subject to the "Classpath" exception as provided

# by Oracle in the LICENSE file that accompanied this code.

#

# This code is distributed in the hope that it will be useful, but WITHOUT

# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

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# accompanied this code).

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################################################################################

# Gensrc support for dtrace. The files generated here are included by dtrace.hpp

ifeq ($(call check-jvm-feature, dtrace), true)

  ifeq ($(OPENJDK_TARGET_OS), solaris)

    DTRACE_FLAGS := -64

    DTRACE_CPP_FLAGS := -D_LP64

  else ifeq ($(OPENJDK_TARGET_OS), macosx)

    DTRACE_CPP_FLAGS := -D_LP64 -x c

  else ifeq ($(OPENJDK_TARGET_OS), linux)

    DTRACE_CPP_FLAGS := -x c

  endif

  DTRACE_SOURCE_DIR := $(HOTSPOT_TOPDIR)/src/os/posix/dtrace

  DTRACE_GENSRC_DIR := $(JVM_VARIANT_OUTPUTDIR)/gensrc/dtracefiles

  # Make sure we run our selected compiler for preprocessing instead of letting

  # the dtrace tool pick it on it's own.

  $(DTRACE_GENSRC_DIR)/%.h: $(DTRACE_SOURCE_DIR)/%.d

	$(call LogInfo, Generating dtrace header file $(@F))

	$(call MakeDir, $(@D) $(DTRACE_SUPPORT_DIR))

	$(call ExecuteWithLog, $(DTRACE_SUPPORT_DIR)/$(@F).d, \

	    ( $(CC) -E $(DTRACE_CPP_FLAGS) $< > $(DTRACE_SUPPORT_DIR)/$(@F).d ) )

	$(call ExecuteWithLog, $@, $(DTRACE) $(DTRACE_FLAGS) -h -o $@ -s $(DTRACE_SUPPORT_DIR)/$(@F).d)

  # Process all .d files in DTRACE_SOURCE_DIR. They are:

  # hotspot_jni.d hotspot.d hs_private.d

  TARGETS += $(patsubst $(DTRACE_SOURCE_DIR)/%.d, \

      $(DTRACE_GENSRC_DIR)/%.h, $(wildcard $(DTRACE_SOURCE_DIR)/*.d))

endif