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# Copyright (c) 2013, 2020, Oracle and/or its affiliates. All rights reserved.
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# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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# This code is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License version 2 only, as
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# published by the Free Software Foundation. Oracle designates this
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# particular file as subject to the "Classpath" exception as provided
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# by Oracle in the LICENSE file that accompanied this code.
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# This code is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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# version 2 for more details (a copy is included in the LICENSE file that
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# accompanied this code).
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# You should have received a copy of the GNU General Public License version
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# 2 along with this work; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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# or visit www.oracle.com if you need additional information or have any
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################################################################################
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# Gensrc support for dtrace. The files generated here are included by dtrace.hpp
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ifeq ($(call check-jvm-feature, dtrace), true)
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ifeq ($(call isTargetOs, macosx), true)
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DTRACE_CPP_FLAGS := -D_LP64 -x c
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else ifeq ($(call isTargetOs, linux), true)
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DTRACE_CPP_FLAGS := -x c
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DTRACE_SOURCE_DIR := $(TOPDIR)/src/hotspot/os/posix/dtrace
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DTRACE_GENSRC_DIR := $(JVM_VARIANT_OUTPUTDIR)/gensrc/dtracefiles
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# Make sure we run our selected compiler for preprocessing instead of letting
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# the dtrace tool pick it on it's own.
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$(DTRACE_GENSRC_DIR)/%.h: $(DTRACE_SOURCE_DIR)/%.d
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$(call LogInfo, Generating dtrace header file $(@F))
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$(call MakeDir, $(@D) $(DTRACE_SUPPORT_DIR))
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$(call ExecuteWithLog, $(DTRACE_SUPPORT_DIR)/$(@F).d, \
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($(CPP) $(DTRACE_CPP_FLAGS) $< > $(DTRACE_SUPPORT_DIR)/$(@F).d))
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$(call ExecuteWithLog, $@, $(DTRACE) $(DTRACE_FLAGS) -h -o $@ -s $(DTRACE_SUPPORT_DIR)/$(@F).d)
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# Process all .d files in DTRACE_SOURCE_DIR. They are:
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# hotspot_jni.d hotspot.d hs_private.d
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TARGETS += $(patsubst $(DTRACE_SOURCE_DIR)/%.d, \
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$(DTRACE_GENSRC_DIR)/%.h, $(wildcard $(DTRACE_SOURCE_DIR)/*.d))