ddr_cpp_headers.mk

# Makefile for DDR blob generation

###############################################################################
# Copyright (c) 1991, 2017 IBM Corp. and others
#
# This program and the accompanying materials are made available under
# the terms of the Eclipse Public License 2.0 which accompanies this
# distribution and is available at https://www.eclipse.org/legal/epl-2.0/
# or the Apache License, Version 2.0 which accompanies this distribution and
# is available at https://www.apache.org/licenses/LICENSE-2.0.
#
# This Source Code may also be made available under the following
# Secondary Licenses when the conditions for such availability set
# forth in the Eclipse Public License, v. 2.0 are satisfied: GNU
# General Public License, version 2 with the GNU Classpath
# Exception [1] and GNU General Public License, version 2 with the
# OpenJDK Assembly Exception [2].
#
# [1] https://www.gnu.org/software/classpath/license.html
# [2] http://openjdk.java.net/legal/assembly-exception.html
#
# SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 OR LicenseRef-GPL-2.0 WITH Assembly-exception
###############################################################################

# Targets to generate DDR blob C code from C headers automatically.
# Included in other Makefiles - don't run it directly.

all : # Must be the default target.

# Recursively find header files in directory $1.
FindHeaderFiles = \
	$(wildcard $1/*.h) \
	$(wildcard $1/*.hpp) \
	$(foreach i,$(wildcard $1/*),$(call FindHeaderFiles,$i))

# Define a rule to adjust a header file for DDR.
define FilterHeader
UMA_BYPRODUCTS      += $1
UMA_OBJECTS_PREREQS += $1

generate_files : $1

$1 : $2
	@ mkdir -p $$(@D)
	sed -f ddr_cpp_xlat.sed $$< > $$@
endef

# If you change these lists, make the corresponding change to the ddrcppsupportstructs.properties include list.
J9VM_HEADER_DIRS := bcutil shared_common
OMR_HEADER_DIRS  := include_core

# Filter J9VM header files.
J9VM_HEADER_FILES := $(strip $(sort $(foreach dir,$(J9VM_HEADER_DIRS),$(subst $(UMA_PATH_TO_ROOT),,$(call FindHeaderFiles,$(UMA_PATH_TO_ROOT)$(dir))))))
$(foreach file,$(J9VM_HEADER_FILES),$(eval $(call FilterHeader,$(file),$(UMA_PATH_TO_ROOT)$(file))))

# Filter OMR header files.
OMR_HEADER_FILES := $(strip $(sort $(foreach dir, $(OMR_HEADER_DIRS),$(subst $(OMR_DIR)/,,$(call FindHeaderFiles,$(OMR_DIR)/$(dir))))))
$(foreach file,$(OMR_HEADER_FILES),$(eval $(call FilterHeader,omr/$(file),$(OMR_DIR)/$(file))))