hotspot虚拟机源码
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#
# Copyright (c) 2005, 2014, 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")
ifdef USE_GCC
dtraceCheck:
$(QUIETLY) echo "**NOTICE** Dtrace support disabled for gcc builds"
else
JVM_DB = libjvm_db
LIBJVM_DB = libjvm_db.so
LIBJVM_DB_DEBUGINFO = libjvm_db.debuginfo
LIBJVM_DB_DIZ = libjvm_db.diz
JVM_DTRACE = jvm_dtrace
LIBJVM_DTRACE = libjvm_dtrace.so
LIBJVM_DTRACE_DEBUGINFO = libjvm_dtrace.debuginfo
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 = -64 -D_LP64
endif
# making libjvm_db
# 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 -ldl
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_DIR = 64
XLIBJVM_DB = $(XLIBJVM_DIR)/$(LIBJVM_DB)
XLIBJVM_DTRACE = $(XLIBJVM_DIR)/$(LIBJVM_DTRACE)
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) $(ARCHFLAG/$(ISA)) -D$(TYPE) -I. -I$(GENERATED) \
$(SHARED_FLAG) $(LFLAGS_JVM_DB) -o $@ $(DTRACE_SRCDIR)/$(JVM_DB).c -lc
ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1)
$(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:
( 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
$(XLIBJVM_DTRACE): $(DTRACE_SRCDIR)/$(JVM_DTRACE).c $(DTRACE_SRCDIR)/$(JVM_DTRACE).h $(LIBJVM_DTRACE_MAPFILE)
@echo Making $@
$(QUIETLY) mkdir -p $(XLIBJVM_DIR) ; \
$(CC) $(SYMFLAG) $(ARCHFLAG/$(ISA)) -D$(TYPE) -I. \
$(SHARED_FLAG) $(LFLAGS_JVM_DTRACE) -o $@ $(DTRACE_SRCDIR)/$(JVM_DTRACE).c -lc -lthread -ldoor
ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1)
$(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) $(XLIBJVM_DTRACE_DEBUGINFO)
endif
endif
endif # ifneq ("${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 \
$(LIBJVM.o)
$(QUIETLY) $(CXX) $(CXXFLAGS) $(GENOFFS_CFLAGS) $(SHARED_FLAG) $(PICFLAG) \
$(LFLAGS_GENOFFS) -o $@ $(DTRACE_SRCDIR)/$(GENOFFS).cpp -lc
$(GENOFFS): $(DTRACE_SRCDIR)/$(GENOFFS)Main.c lib$(GENOFFS).so
$(QUIETLY) $(LINK.CXX) -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=.:$(LD_LIBRARY_PATH) ./$(GENOFFS) -header > $@.tmp
$(QUIETLY) $(CONDITIONALLY_UPDATE_JVMOFFS_TARGET)
$(JVMOFFS)Index.h: $(GENOFFS)
$(QUIETLY) LD_LIBRARY_PATH=.:$(LD_LIBRARY_PATH) ./$(GENOFFS) -index > $@.tmp
$(QUIETLY) $(CONDITIONALLY_UPDATE_JVMOFFS_TARGET)
$(JVMOFFS).cpp: $(GENOFFS) $(JVMOFFS).h $(JVMOFFS)Index.h
$(QUIETLY) LD_LIBRARY_PATH=.:$(LD_LIBRARY_PATH) ./$(GENOFFS) -table > $@.tmp
$(QUIETLY) $(CONDITIONALLY_UPDATE_JVMOFFS_TARGET)
$(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 -lc
ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1)
$(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
$(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)
$(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
$(DTRACE).d: $(DTRACE_SRCDIR)/hotspot.d $(DTRACE_SRCDIR)/hotspot_jni.d \
$(DTRACE_SRCDIR)/hs_private.d $(DTRACE_SRCDIR)/jhelper.d
$(QUIETLY) cat $^ > $@
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"$$STATUS" = x"1" ]; then \
if [ x`uname -r` = x"5.10" -a \
x`uname -p` = x"sparc" ]; then\
echo "*****************************************************************";\
echo "* If you are building server compiler, and the error message is ";\
echo "* \"incorrect ELF machine type...\", you have run into solaris bug ";\
echo "* 6213962, \"dtrace -G doesn't work on sparcv8+ object files\".";\
echo "* Either patch/upgrade your system (>= S10u1_15), or set the ";\
echo "* environment variable HOTSPOT_DISABLE_DTRACE_PROBES to disable ";\
echo "* dtrace probes for this build.";\
echo "*****************************************************************";\
elif [ x`uname -r` = x"5.10" ]; then\
echo "*****************************************************************";\
echo "* If you are seeing 'syntax error near \"umpiconninfo_t\"' on Solaris";\
echo "* 10, try doing 'cd /usr/lib/dtrace && gzip mpi.d' as root, ";\
echo "* or set the environment variable HOTSPOT_DISABLE_DTRACE_PROBES";\
echo "* to disable dtrace probes for this build.";\
echo "*****************************************************************";\
else \
echo "*****************************************************************";\
echo "* If you cannot fix dtrace build issues, try to ";\
echo "* set the environment variable HOTSPOT_DISABLE_DTRACE_PROBES";\
echo "* to disable dtrace probes for this build.";\
echo "*****************************************************************";\
fi; \
fi;\
exit $$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 # CORE build
dtraceCheck:
$(QUIETLY) echo "**NOTICE** Dtrace support disabled for CORE builds"
endif # ifneq ("${TYPE}", "CORE")