Mercurial > hg > truffle
view make/solaris/makefiles/dtrace.make @ 453:c96030fff130
6684579: SoftReference processing can be made more efficient
Summary: For current soft-ref clearing policies, we can decide at marking time if a soft-reference will definitely not be cleared, postponing the decision of whether it will definitely be cleared to the final reference processing phase. This can be especially beneficial in the case of concurrent collectors where the marking is usually concurrent but reference processing is usually not.
Reviewed-by: jmasa
author | ysr |
---|---|
date | Thu, 20 Nov 2008 16:56:09 -0800 |
parents | b5e603f2e024 |
children | 167c2986d91b |
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# # Copyright 2005-2008 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, # CA 95054 USA or visit www.sun.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 ("${TYPE}", "CORE") ifneq ("${TYPE}", "KERNEL") ifdef USE_GCC dtraceCheck: $(QUIETLY) echo "**NOTICE** Dtrace support disabled for gcc builds" else JVM_DB = libjvm_db LIBJVM_DB = libjvm$(G_SUFFIX)_db.so JVM_DTRACE = jvm_dtrace LIBJVM_DTRACE = libjvm$(G_SUFFIX)_dtrace.so 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 = -64 -D_LP64 endif # making libjvm_db INCLS = $(GENERATED)/incls # Use mapfile with libjvm_db.so LIBJVM_DB_MAPFILE = $(MAKEFILES_DIR)/mapfile-vers-jvm_db LFLAGS_JVM_DB += $(MAPFLAG:FILENAME=$(LIBJVM_DB_MAPFILE)) # Use mapfile with libjvm_dtrace.so LIBJVM_DTRACE_MAPFILE = $(MAKEFILES_DIR)/mapfile-vers-jvm_dtrace LFLAGS_JVM_DTRACE += $(MAPFLAG:FILENAME=$(LIBJVM_DTRACE_MAPFILE)) ifdef USE_GCC LFLAGS_JVM_DB += -D_REENTRANT $(PICFLAG) LFLAGS_JVM_DTRACE += -D_REENTRANT $(PICFLAG) else LFLAGS_JVM_DB += -mt $(PICFLAG) -xnolib LFLAGS_JVM_DTRACE += -mt $(PICFLAG) -xnolib endif ISA = $(subst i386,i486,$(shell isainfo -n)) # Making 64/libjvm_db.so: 64-bit version of libjvm_db.so which handles 32-bit libjvm.so ifneq ("${ISA}","${BUILDARCH}") XLIBJVM_DB = 64/$(LIBJVM_DB) XLIBJVM_DTRACE = 64/$(LIBJVM_DTRACE) $(XLIBJVM_DB): $(DTRACE_SRCDIR)/$(JVM_DB).c $(JVMOFFS).h $(LIBJVM_DB_MAPFILE) @echo Making $@ $(QUIETLY) mkdir -p 64/ ; \ $(CC) $(SYMFLAG) $(ARCHFLAG/$(ISA)) -D$(TYPE) -I. -I$(GENERATED) \ $(SHARED_FLAG) $(LFLAGS_JVM_DB) -o $@ $(DTRACE_SRCDIR)/$(JVM_DB).c -lc $(XLIBJVM_DTRACE): $(DTRACE_SRCDIR)/$(JVM_DTRACE).c $(DTRACE_SRCDIR)/$(JVM_DTRACE).h $(LIBJVM_DTRACE_MAPFILE) @echo Making $@ $(QUIETLY) mkdir -p 64/ ; \ $(CC) $(SYMFLAG) $(ARCHFLAG/$(ISA)) -D$(TYPE) -I. \ $(SHARED_FLAG) $(LFLAGS_JVM_DTRACE) -o $@ $(DTRACE_SRCDIR)/$(JVM_DTRACE).c -lc -lthread -ldoor endif # ifneq ("${ISA}","${BUILDARCH}") ifdef USE_GCC LFLAGS_GENOFFS += -D_REENTRANT else LFLAGS_GENOFFS += -mt -xnolib -norunpath endif lib$(GENOFFS).so: $(DTRACE_SRCDIR)/$(GENOFFS).cpp $(DTRACE_SRCDIR)/$(GENOFFS).h \ $(INCLS)/_vmStructs.cpp.incl $(LIBJVM.o) $(QUIETLY) $(CCC) $(CPPFLAGS) $(GENOFFS_CFLAGS) $(SHARED_FLAG) $(PICFLAG) \ $(LFLAGS_GENOFFS) -o $@ $(DTRACE_SRCDIR)/$(GENOFFS).cpp -lc $(GENOFFS): $(DTRACE_SRCDIR)/$(GENOFFS)Main.c lib$(GENOFFS).so $(QUIETLY) $(LINK.CC) -z nodefs -o $@ $(DTRACE_SRCDIR)/$(GENOFFS)Main.c \ ./lib$(GENOFFS).so CONDITIONALLY_UPDATE_JVMOFFS_TARGET = \ cmp -s $@ $@.tmp; \ case $$? in \ 0) rm -f $@.tmp;; \ *) rm -f $@ && mv $@.tmp $@ && echo Updated $@;; \ esac # $@.tmp is created first to avoid an empty $(JVMOFFS).h if an error occurs. $(JVMOFFS).h: $(GENOFFS) $(QUIETLY) LD_LIBRARY_PATH=. ./$(GENOFFS) -header > $@.tmp $(QUIETLY) $(CONDITIONALLY_UPDATE_JVMOFFS_TARGET) $(JVMOFFS)Index.h: $(GENOFFS) $(QUIETLY) LD_LIBRARY_PATH=. ./$(GENOFFS) -index > $@.tmp $(QUIETLY) $(CONDITIONALLY_UPDATE_JVMOFFS_TARGET) $(JVMOFFS).cpp: $(GENOFFS) $(JVMOFFS).h $(JVMOFFS)Index.h $(QUIETLY) LD_LIBRARY_PATH=. ./$(GENOFFS) -table > $@.tmp $(QUIETLY) $(CONDITIONALLY_UPDATE_JVMOFFS_TARGET) $(JVMOFFS.o): $(JVMOFFS).h $(JVMOFFS).cpp $(QUIETLY) $(CCC) -c -I. -o $@ $(ARCHFLAG) -D$(TYPE) $(JVMOFFS).cpp $(LIBJVM_DB): $(DTRACE_SRCDIR)/$(JVM_DB).c $(JVMOFFS.o) $(XLIBJVM_DB) $(LIBJVM_DB_MAPFILE) @echo Making $@ $(QUIETLY) $(CC) $(SYMFLAG) $(ARCHFLAG) -D$(TYPE) -I. -I$(GENERATED) \ $(SHARED_FLAG) $(LFLAGS_JVM_DB) -o $@ $(DTRACE_SRCDIR)/$(JVM_DB).c -lc $(LIBJVM_DTRACE): $(DTRACE_SRCDIR)/$(JVM_DTRACE).c $(XLIBJVM_DTRACE) $(DTRACE_SRCDIR)/$(JVM_DTRACE).h $(LIBJVM_DTRACE_MAPFILE) @echo Making $@ $(QUIETLY) $(CC) $(SYMFLAG) $(ARCHFLAG) -D$(TYPE) -I. \ $(SHARED_FLAG) $(LFLAGS_JVM_DTRACE) -o $@ $(DTRACE_SRCDIR)/$(JVM_DTRACE).c -lc -lthread -ldoor $(DTRACE).d: $(DTRACE_SRCDIR)/hotspot.d $(DTRACE_SRCDIR)/hotspot_jni.d \ $(DTRACE_SRCDIR)/hs_private.d $(DTRACE_SRCDIR)/jhelper.d $(QUIETLY) cat $^ > $@ # Dtrace is available, so we build $(DTRACE.o) $(DTRACE.o): $(DTRACE).d $(JVMOFFS).h $(JVMOFFS)Index.h $(DTraced_Files) @echo Compiling $(DTRACE).d $(QUIETLY) $(DTRACE_PROG) $(DTRACE_OPTS) -C -I. -G -o $@ -s $(DTRACE).d \ $(DTraced_Files) ||\ STATUS=$$?;\ 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 += $(DTRACE_INCL) -DDTRACE_ENABLED MAPFILE_DTRACE_OPT = $(MAPFILE_DTRACE) dtraceCheck: else # manually disabled dtraceCheck: $(QUIETLY) echo "**NOTICE** Dtrace support disabled via environment variable" endif # ifeq ("${HOTSPOT_DISABLE_DTRACE_PROBES}", "") else # No dtrace program found dtraceCheck: $(QUIETLY) echo "**NOTICE** Dtrace support disabled: not supported by system" endif # ifneq ("${dtraceFound}", "") endif # ifdef USE_GCC else # KERNEL build dtraceCheck: $(QUIETLY) echo "**NOTICE** Dtrace support disabled for KERNEL builds" endif # ifneq ("${TYPE}", "KERNEL") else # CORE build dtraceCheck: $(QUIETLY) echo "**NOTICE** Dtrace support disabled for CORE builds" endif # ifneq ("${TYPE}", "CORE")