#
# 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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################################################################################
# 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 := $(TOPDIR)/src/hotspot/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, \
	    $(CPP) $(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