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Java example source code file (dtrace.make)

This example Java source code file (dtrace.make) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

dtrace_prog, dtrace_srcdir, genoffs, libjvm_db_debuginfo, libjvm_dtrace_debuginfo, objcopy, quietly, strip, strip_policy, xlibjvm_dir, zip_debuginfo_files, zipexe

The dtrace.make Java example source code

#
# Copyright (c) 2005, 2013, 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
# under the terms of the GNU General Public License version 2 only, as
# published by the Free Software Foundation.
#
# 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
# version 2 for more details (a copy is included in the LICENSE file that
# accompanied this code).
#
# You should have received a copy of the GNU General Public License version
# 2 along with this work; if not, write to the Free Software Foundation,
# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
# or visit www.oracle.com if you need additional information or have any
# questions.
#  
#

# Rules to build jvm_db/dtrace, used by vm.make

# We build libjvm_dtrace/libjvm_db/dtrace for COMPILER1 and COMPILER2
# but not for CORE configuration.

ifneq ("${TYPE}", "CORE")

ifeq ($(OS_VENDOR), Darwin)
# we build dtrace for macosx using USDT2 probes

DtraceOutDir = $(GENERATED)/dtracefiles

# Bsd does not build libjvm_db, does not compile on macosx
# disabled in build: rule in vm.make
JVM_DB = libjvm_db
LIBJVM_DB = libjvm_db.dylib

LIBJVM_DB_DEBUGINFO   = libjvm_db.dylib.dSYM
LIBJVM_DB_DIZ         = libjvm_db.diz

JVM_DTRACE = jvm_dtrace
LIBJVM_DTRACE = libjvm_dtrace.dylib

LIBJVM_DTRACE_DEBUGINFO   = libjvm_dtrace.dylib.dSYM
LIBJVM_DTRACE_DIZ         = libjvm_dtrace.diz

JVMOFFS = JvmOffsets
JVMOFFS.o = $(JVMOFFS).o
GENOFFS = generate$(JVMOFFS)

DTRACE_SRCDIR = $(GAMMADIR)/src/os/$(Platform_os_family)/dtrace
DTRACE = dtrace
DTRACE.o = $(DTRACE).o

# to remove '-g' option which causes link problems
# also '-z nodefs' is used as workaround
GENOFFS_CFLAGS = $(shell echo $(CFLAGS) | sed -e 's/ -g / /g' -e 's/ -g0 / /g';)

ifdef LP64
DTRACE_OPTS = -D_LP64
endif

# making libjvm_db

# Use mapfile with libjvm_db.so
LIBJVM_DB_MAPFILE = # no mapfile for usdt2 # $(MAKEFILES_DIR)/mapfile-vers-jvm_db
#LFLAGS_JVM_DB += $(MAPFLAG:FILENAME=$(LIBJVM_DB_MAPFILE))

# Use mapfile with libjvm_dtrace.so
LIBJVM_DTRACE_MAPFILE = # no mapfile for usdt2 # $(MAKEFILES_DIR)/mapfile-vers-jvm_dtrace
#LFLAGS_JVM_DTRACE += $(MAPFLAG:FILENAME=$(LIBJVM_DTRACE_MAPFILE))

LFLAGS_JVM_DB += $(PICFLAG) # -D_REENTRANT
LFLAGS_JVM_DTRACE += $(PICFLAG) # -D_REENTRANT

ISA = $(subst i386,i486,$(BUILDARCH))

# Making 64/libjvm_db.so: 64-bit version of libjvm_db.so which handles 32-bit libjvm.so
ifneq ("${ISA}","${BUILDARCH}")

XLIBJVM_DIR = 64
XLIBJVM_DB = $(XLIBJVM_DIR)/$(LIBJVM_DB)
XLIBJVM_DTRACE = $(XLIBJVM_DIR)/$(LIBJVM_DTRACE)
XARCH = $(subst sparcv9,v9,$(shell echo $(ISA)))

XLIBJVM_DB_DEBUGINFO       = $(XLIBJVM_DIR)/$(LIBJVM_DB_DEBUGINFO)
XLIBJVM_DB_DIZ             = $(XLIBJVM_DIR)/$(LIBJVM_DB_DIZ)
XLIBJVM_DTRACE_DEBUGINFO   = $(XLIBJVM_DIR)/$(LIBJVM_DTRACE_DEBUGINFO)
XLIBJVM_DTRACE_DIZ         = $(XLIBJVM_DIR)/$(LIBJVM_DTRACE_DIZ)

$(XLIBJVM_DB): $(DTRACE_SRCDIR)/$(JVM_DB).c $(JVMOFFS).h $(LIBJVM_DB_MAPFILE)
	@echo Making $@
	$(QUIETLY) mkdir -p $(XLIBJVM_DIR) ; \
	$(CC) $(SYMFLAG) -xarch=$(XARCH) -D$(TYPE) -I. -I$(GENERATED) \
		$(SHARED_FLAG) $(LFLAGS_JVM_DB) -o $@ $(DTRACE_SRCDIR)/$(JVM_DB).c #-lc
ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1)
  ifeq ($(OS_VENDOR), Darwin)
	$(DSYMUTIL) $@
    ifeq ($(ZIP_DEBUGINFO_FILES),1)
        # Do this part in the $(XLIBJVM_DIR) subdir so $(XLIBJVM_DIR)
        # is not in the archived name:
	( cd $(XLIBJVM_DIR) && $(ZIPEXE) -q -r -y $(LIBJVM_DB_DIZ) $(LIBJVM_DB_DEBUGINFO) )
	$(RM) -r $(XLIBJVM_DB_DEBUGINFO)
    endif
  else
	$(QUIETLY) $(OBJCOPY) --only-keep-debug $@ $(XLIBJVM_DB_DEBUGINFO)
        # Do this part in the $(XLIBJVM_DIR) subdir so $(XLIBJVM_DIR)
        # is not in the link name:
        $(QUIETLY) ( cd $(XLIBJVM_DIR) && $(OBJCOPY) --add-gnu-debuglink=$(LIBJVM_DB_DEBUGINFO) $(LIBJVM_DB) )
    ifeq ($(STRIP_POLICY),all_strip)
	$(QUIETLY) $(STRIP) $@
    else
      ifeq ($(STRIP_POLICY),min_strip)
	$(QUIETLY) $(STRIP) -x $@
      # implied else here is no stripping at all
      endif
    endif
    ifeq ($(ZIP_DEBUGINFO_FILES),1)
        # Do this part in the $(XLIBJVM_DIR) subdir so $(XLIBJVM_DIR)
        # is not in the archived name:
	( cd $(XLIBJVM_DIR) && $(ZIPEXE) -q -y $(LIBJVM_DB_DIZ) $(LIBJVM_DB_DEBUGINFO) )
	$(RM) $(XLIBJVM_DB_DEBUGINFO)
    endif
  endif
endif

$(XLIBJVM_DTRACE): $(DTRACE_SRCDIR)/$(JVM_DTRACE).c $(DTRACE_SRCDIR)/$(JVM_DTRACE).h $(LIBJVM_DTRACE_MAPFILE)
	@echo Making $@
	$(QUIETLY) mkdir -p $(XLIBJVM_DIR) ; \
	$(CC) $(SYMFLAG) -xarch=$(XARCH) -D$(TYPE) -I. \
		$(SHARED_FLAG) $(LFLAGS_JVM_DTRACE) -o $@ $(DTRACE_SRCDIR)/$(JVM_DTRACE).c #-lc -lthread -ldoor
ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1)
  ifeq ($(OS_VENDOR), Darwin)
	$(DSYMUTIL) $@
    ifeq ($(ZIP_DEBUGINFO_FILES),1)
        # Do this part in the $(XLIBJVM_DIR) subdir so $(XLIBJVM_DIR)
        # is not in the archived name:
	( cd $(XLIBJVM_DIR) && $(ZIPEXE) -q -r -y $(LIBJVM_DTRACE_DIZ) $(LIBJVM_DTRACE_DEBUGINFO) )
	$(RM) -r $(XLIBJVM_DTRACE_DEBUGINFO)
    endif
  else
	$(QUIETLY) $(OBJCOPY) --only-keep-debug $@ $(XLIBJVM_DTRACE_DEBUGINFO)
        # Do this part in the $(XLIBJVM_DIR) subdir so $(XLIBJVM_DIR)
        # is not in the link name:
	( cd $(XLIBJVM_DIR) && $(OBJCOPY) --add-gnu-debuglink=$(LIBJVM_DTRACE_DEBUGINFO) $(LIBJVM_DTRACE) )
    ifeq ($(STRIP_POLICY),all_strip)
	$(QUIETLY) $(STRIP) $@
    else
      ifeq ($(STRIP_POLICY),min_strip)
	$(QUIETLY) $(STRIP) -x $@
      # implied else here is no stripping at all
      endif
    endif
    ifeq ($(ZIP_DEBUGINFO_FILES),1)
        # Do this part in the $(XLIBJVM_DIR) subdir so $(XLIBJVM_DIR)
        # is not in the archived name:
	( cd $(XLIBJVM_DIR) && $(ZIPEXE) -q -y $(LIBJVM_DTRACE_DIZ) $(LIBJVM_DTRACE_DEBUGINFO) )
	$(RM) $(XLIBJVM_DTRACE_DEBUGINFO)
    endif
  endif
endif

endif # ifneq ("${ISA}","${BUILDARCH}")

LFLAGS_GENOFFS += -L.

lib$(GENOFFS).dylib: $(DTRACE_SRCDIR)/$(GENOFFS).cpp $(DTRACE_SRCDIR)/$(GENOFFS).h \
                  $(LIBJVM.o)
	$(QUIETLY) $(CXX) $(CXXFLAGS) $(GENOFFS_CFLAGS) $(SHARED_FLAG) $(PICFLAG) \
		 $(LFLAGS_GENOFFS) -o $@ $(DTRACE_SRCDIR)/$(GENOFFS).cpp -ljvm

$(GENOFFS): $(DTRACE_SRCDIR)/$(GENOFFS)Main.c lib$(GENOFFS).dylib
	$(QUIETLY) $(LINK.CXX) -o $@ $(DTRACE_SRCDIR)/$(GENOFFS)Main.c \
		./lib$(GENOFFS).dylib

# $@.tmp is created first to avoid an empty $(JVMOFFS).h if an error occurs.
$(JVMOFFS).h: $(GENOFFS)
	$(QUIETLY) DYLD_LIBRARY_PATH=.:$(DYLD_LIBRARY_PATH) ./$(GENOFFS) -header > $@.tmp; touch $@; \
	if [ `diff $@.tmp $@ > /dev/null 2>&1; echo $$?` -ne 0 ] ; \
	then rm -f $@; mv $@.tmp $@; \
	else rm -f $@.tmp; \
	fi

$(JVMOFFS)Index.h: $(GENOFFS)
	$(QUIETLY) DYLD_LIBRARY_PATH=.:$(DYLD_LIBRARY_PATH) ./$(GENOFFS) -index > $@.tmp; touch $@; \
	if [ `diff $@.tmp $@ > /dev/null 2>&1; echo $$?` -ne 0 ] ; \
	then rm -f $@; mv $@.tmp $@; \
	else rm -f $@.tmp; \
	fi

$(JVMOFFS).cpp: $(GENOFFS) $(JVMOFFS).h $(JVMOFFS)Index.h
	$(QUIETLY) DYLD_LIBRARY_PATH=.:$(DYLD_LIBRARY_PATH) ./$(GENOFFS) -table > $@.tmp; touch $@; \
	if [ `diff $@.tmp $@ > /dev/null 2>&1; echo $$?` -ne 0 ] ; \
	then rm -f $@; mv $@.tmp $@; \
	else rm -f $@.tmp; \
	fi

$(JVMOFFS.o): $(JVMOFFS).h $(JVMOFFS).cpp 
	$(QUIETLY) $(CXX) -c -I. -o $@ $(ARCHFLAG) -D$(TYPE) $(JVMOFFS).cpp

$(LIBJVM_DB): $(DTRACE_SRCDIR)/$(JVM_DB).c $(JVMOFFS.o) $(XLIBJVM_DB) $(LIBJVM_DB_MAPFILE)
	@echo Making $@
	$(QUIETLY) $(CC) $(SYMFLAG) $(ARCHFLAG) -D$(TYPE) -I. -I$(GENERATED) \
		$(SHARED_FLAG) $(LFLAGS_JVM_DB) -o $@ $(DTRACE_SRCDIR)/$(JVM_DB).c -Wall # -lc
ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1)
  ifeq ($(OS_VENDOR), Darwin)
	$(DSYMUTIL) $@
    ifeq ($(ZIP_DEBUGINFO_FILES),1)
	$(ZIPEXE) -q -r -y $(LIBJVM_DB_DIZ) $(LIBJVM_DB_DEBUGINFO)
	$(RM) -r $(LIBJVM_DB_DEBUGINFO)
    endif
  else
	$(QUIETLY) $(OBJCOPY) --only-keep-debug $@ $(LIBJVM_DB_DEBUGINFO)
	$(QUIETLY) $(OBJCOPY) --add-gnu-debuglink=$(LIBJVM_DB_DEBUGINFO) $@
    ifeq ($(STRIP_POLICY),all_strip)
	$(QUIETLY) $(STRIP) $@
    else
      ifeq ($(STRIP_POLICY),min_strip)
	$(QUIETLY) $(STRIP) -x $@
      # implied else here is no stripping at all
      endif
    endif
    ifeq ($(ZIP_DEBUGINFO_FILES),1)
	$(ZIPEXE) -q -y $(LIBJVM_DB_DIZ) $(LIBJVM_DB_DEBUGINFO)
	$(RM) $(LIBJVM_DB_DEBUGINFO)
    endif
  endif
endif

$(LIBJVM_DTRACE): $(DTRACE_SRCDIR)/$(JVM_DTRACE).c $(XLIBJVM_DTRACE) $(DTRACE_SRCDIR)/$(JVM_DTRACE).h $(LIBJVM_DTRACE_MAPFILE)
	@echo Making $@
	$(QUIETLY) $(CC) $(SYMFLAG) $(ARCHFLAG) -D$(TYPE) -I.  \
		$(SHARED_FLAG) $(LFLAGS_JVM_DTRACE) -o $@ $(DTRACE_SRCDIR)/$(JVM_DTRACE).c #-lc -lthread -ldoor
ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1)
  ifeq ($(OS_VENDOR), Darwin)
	$(DSYMUTIL) $@
    ifeq ($(ZIP_DEBUGINFO_FILES),1)
	$(ZIPEXE) -q -r -y $(LIBJVM_DTRACE_DIZ) $(LIBJVM_DTRACE_DEBUGINFO) 
	$(RM) -r $(LIBJVM_DTRACE_DEBUGINFO)
    endif
  else
	$(QUIETLY) $(OBJCOPY) --only-keep-debug $@ $(LIBJVM_DTRACE_DEBUGINFO)
	$(QUIETLY) $(OBJCOPY) --add-gnu-debuglink=$(LIBJVM_DTRACE_DEBUGINFO) $@
    ifeq ($(STRIP_POLICY),all_strip)
	$(QUIETLY) $(STRIP) $@
    else
      ifeq ($(STRIP_POLICY),min_strip)
	$(QUIETLY) $(STRIP) -x $@
      # implied else here is no stripping at all
      endif
    endif
    ifeq ($(ZIP_DEBUGINFO_FILES),1)
	$(ZIPEXE) -q -y $(LIBJVM_DTRACE_DIZ) $(LIBJVM_DTRACE_DEBUGINFO) 
	$(RM) $(LIBJVM_DTRACE_DEBUGINFO)
    endif
  endif
endif

#$(DTRACE).d: $(DTRACE_SRCDIR)/hotspot.d $(DTRACE_SRCDIR)/hotspot_jni.d \
#             $(DTRACE_SRCDIR)/hs_private.d $(DTRACE_SRCDIR)/jhelper.d
#	$(QUIETLY) cat $^ > $@

$(DtraceOutDir):
	mkdir $(DtraceOutDir)

$(DtraceOutDir)/hotspot.h: $(DTRACE_SRCDIR)/hotspot.d | $(DtraceOutDir)
	$(QUIETLY) $(DTRACE_PROG) $(DTRACE_OPTS) -C -I. -h -o $@ -s $(DTRACE_SRCDIR)/hotspot.d

$(DtraceOutDir)/hotspot_jni.h: $(DTRACE_SRCDIR)/hotspot_jni.d | $(DtraceOutDir)
	$(QUIETLY) $(DTRACE_PROG) $(DTRACE_OPTS) -C -I. -h -o $@ -s $(DTRACE_SRCDIR)/hotspot_jni.d

$(DtraceOutDir)/hs_private.h: $(DTRACE_SRCDIR)/hs_private.d | $(DtraceOutDir)
	$(QUIETLY) $(DTRACE_PROG) $(DTRACE_OPTS) -C -I. -h -o $@ -s $(DTRACE_SRCDIR)/hs_private.d

$(DtraceOutDir)/jhelper.h: $(DTRACE_SRCDIR)/jhelper.d $(JVMOFFS).o | $(DtraceOutDir)
	$(QUIETLY) $(DTRACE_PROG) $(DTRACE_OPTS) -C -I. -h -o $@ -s $(DTRACE_SRCDIR)/jhelper.d

# jhelper currently disabled
dtrace_gen_headers: $(DtraceOutDir)/hotspot.h $(DtraceOutDir)/hotspot_jni.h $(DtraceOutDir)/hs_private.h 

DTraced_Files = ciEnv.o \
                classLoadingService.o \
                compileBroker.o \
                hashtable.o \
                instanceKlass.o \
                java.o \
                jni.o \
                jvm.o \
                memoryManager.o \
                nmethod.o \
                objectMonitor.o \
                runtimeService.o \
                sharedRuntime.o \
                synchronizer.o \
                thread.o \
                unsafe.o \
                vmThread.o \
                vmCMSOperations.o \
                vmPSOperations.o \
                vmGCOperations.o \

# Dtrace is available, so we build $(DTRACE.o)  
#$(DTRACE.o): $(DTRACE).d $(JVMOFFS).h $(JVMOFFS)Index.h $(DTraced_Files)
#	@echo Compiling $(DTRACE).d

#	$(QUIETLY) $(DTRACE_PROG) $(DTRACE_OPTS) -C -I. -G -xlazyload -o $@ -s $(DTRACE).d \
#     $(DTraced_Files) ||\
#  STATUS=$$?;\
#	if [ x"$$STATUS" = x"1" -a \
#       x`uname -r` = x"5.10" -a \
#       x`uname -p` = x"sparc" ]; then\
#    echo "*****************************************************************";\
#    echo "* If you are building server compiler, and the error message is ";\
#    echo "* \"incorrect ELF machine type...\", you have run into solaris bug ";\
#    echo "* 6213962, \"dtrace -G doesn't work on sparcv8+ object files\".";\
#    echo "* Either patch/upgrade your system (>= S10u1_15), or set the ";\
#    echo "* environment variable HOTSPOT_DISABLE_DTRACE_PROBES to disable ";\
#    echo "* dtrace probes for this build.";\
#    echo "*****************************************************************";\
#  fi;\
#  exit $$STATUS
  # Since some DTraced_Files are in LIBJVM.o and they are touched by this
  # command, and libgenerateJvmOffsets.so depends on LIBJVM.o, 'make' will
  # think it needs to rebuild libgenerateJvmOffsets.so and thus JvmOffsets*
  # files, but it doesn't, so we touch the necessary files to prevent later
  # recompilation. Note: we only touch the necessary files if they already
  # exist in order to close a race where an empty file can be created
  # before the real build rule is executed.
  # But, we can't touch the *.h files:  This rule depends
  # on them, and that would cause an infinite cycle of rebuilding.
  # Neither the *.h or *.ccp files need to be touched, since they have
  # rules which do not update them when the generator file has not
  # changed their contents.
#	$(QUIETLY) if [ -f lib$(GENOFFS).so ]; then touch lib$(GENOFFS).so; fi
#	$(QUIETLY) if [ -f $(GENOFFS) ]; then touch $(GENOFFS); fi
#	$(QUIETLY) if [ -f $(JVMOFFS.o) ]; then touch $(JVMOFFS.o); fi

.PHONY: dtraceCheck

#SYSTEM_DTRACE_H = /usr/include/dtrace.h
SYSTEM_DTRACE_PROG = /usr/sbin/dtrace
#PATCH_DTRACE_PROG = /opt/SUNWdtrd/sbin/dtrace
systemDtraceFound := $(wildcard ${SYSTEM_DTRACE_PROG})
#patchDtraceFound := $(wildcard ${PATCH_DTRACE_PROG})
#systemDtraceHdrFound := $(wildcard $(SYSTEM_DTRACE_H))

#ifneq ("$(systemDtraceHdrFound)", "") 
#CFLAGS += -DHAVE_DTRACE_H
#endif

#ifneq ("$(patchDtraceFound)", "")
#DTRACE_PROG=$(PATCH_DTRACE_PROG)
#DTRACE_INCL=-I/opt/SUNWdtrd/include
#else
ifneq ("$(systemDtraceFound)", "")
DTRACE_PROG=$(SYSTEM_DTRACE_PROG)
else

endif # ifneq ("$(systemDtraceFound)", "")
#endif # ifneq ("$(patchDtraceFound)", "")

ifneq ("${DTRACE_PROG}", "")
ifeq ("${HOTSPOT_DISABLE_DTRACE_PROBES}", "")

DTRACE_OBJS = $(DTRACE.o) #$(JVMOFFS.o)
CFLAGS += -DDTRACE_ENABLED #$(DTRACE_INCL)
#clangCFLAGS += -DDTRACE_ENABLED -fno-optimize-sibling-calls
#MAPFILE_DTRACE_OPT = $(MAPFILE_DTRACE)


dtraceCheck:

dtrace_stuff: dtrace_gen_headers
	$(QUIETLY) echo "dtrace headers generated"


else # manually disabled

dtraceCheck:
	$(QUIETLY) echo "**NOTICE** Dtrace support disabled via environment variable"

dtrace_stuff:

endif # ifeq ("${HOTSPOT_DISABLE_DTRACE_PROBES}", "")

else # No dtrace program found

dtraceCheck:
	$(QUIETLY) echo "**NOTICE** Dtrace support disabled: not supported by system"

dtrace_stuff:

endif # ifneq ("${dtraceFound}", "")

endif # ifeq ($(OS_VENDOR), Darwin)


else # CORE build

dtraceCheck:
	$(QUIETLY) echo "**NOTICE** Dtrace support disabled for CORE builds"

endif # ifneq ("${TYPE}", "CORE")

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