1 #
   2 # Copyright (c) 2013, 2020, Oracle and/or its affiliates. All rights reserved.
   3 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4 #
   5 # This code is free software; you can redistribute it and/or modify it
   6 # under the terms of the GNU General Public License version 2 only, as
   7 # published by the Free Software Foundation.  Oracle designates this
   8 # particular file as subject to the "Classpath" exception as provided
   9 # by Oracle in the LICENSE file that accompanied this code.
  10 #
  11 # This code is distributed in the hope that it will be useful, but WITHOUT
  12 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14 # version 2 for more details (a copy is included in the LICENSE file that
  15 # accompanied this code).
  16 #
  17 # You should have received a copy of the GNU General Public License version
  18 # 2 along with this work; if not, write to the Free Software Foundation,
  19 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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  23 # questions.
  24 #
  25 
  26 ################################################################################
  27 # Gensrc support for dtrace. The files generated here are included by dtrace.hpp
  28 
  29 ifeq ($(call check-jvm-feature, dtrace), true)
  30 
  31   ifeq ($(call isTargetOs, macosx), true)
  32     DTRACE_CPP_FLAGS := -D_LP64 -x c
  33   else ifeq ($(call isTargetOs, linux), true)
  34     DTRACE_CPP_FLAGS := -x c
  35   endif
  36 
  37   DTRACE_SOURCE_DIR := $(TOPDIR)/src/hotspot/os/posix/dtrace
  38   DTRACE_GENSRC_DIR := $(JVM_VARIANT_OUTPUTDIR)/gensrc/dtracefiles
  39 
  40   # Make sure we run our selected compiler for preprocessing instead of letting
  41   # the dtrace tool pick it on it's own.
  42   $(DTRACE_GENSRC_DIR)/%.h: $(DTRACE_SOURCE_DIR)/%.d
  43         $(call LogInfo, Generating dtrace header file $(@F))
  44         $(call MakeDir, $(@D) $(DTRACE_SUPPORT_DIR))
  45         $(call ExecuteWithLog, $(DTRACE_SUPPORT_DIR)/$(@F).d, \
  46             ($(CPP) $(DTRACE_CPP_FLAGS) $< > $(DTRACE_SUPPORT_DIR)/$(@F).d))
  47         $(call ExecuteWithLog, $@, $(DTRACE) $(DTRACE_FLAGS) -h -o $@ -s $(DTRACE_SUPPORT_DIR)/$(@F).d)
  48 
  49   # Process all .d files in DTRACE_SOURCE_DIR. They are:
  50   # hotspot_jni.d hotspot.d hs_private.d
  51   TARGETS += $(patsubst $(DTRACE_SOURCE_DIR)/%.d, \
  52       $(DTRACE_GENSRC_DIR)/%.h, $(wildcard $(DTRACE_SOURCE_DIR)/*.d))
  53 
  54 endif