Java example source code file (vm.make)
The vm.make Java example source code#
# Copyright (c) 1999, 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 and related libraries, included from vm.make in the build
# directory.
# Common build rules.
MAKEFILES_DIR=$(GAMMADIR)/make/$(Platform_os_family)/makefiles
include $(MAKEFILES_DIR)/rules.make
include $(GAMMADIR)/make/altsrc.make
default: build
#----------------------------------------------------------------------
# Defs
GENERATED = ../generated
DEP_DIR = $(GENERATED)/dependencies
# reads the generated files defining the set of .o's and the .o .h dependencies
-include $(DEP_DIR)/*.d
# read machine-specific adjustments (%%% should do this via buildtree.make?)
ifeq ($(findstring true, $(JVM_VARIANT_ZERO) $(JVM_VARIANT_ZEROSHARK)), true)
include $(MAKEFILES_DIR)/zeroshark.make
else
include $(MAKEFILES_DIR)/$(BUILDARCH).make
-include $(HS_ALT_MAKE)/$(Platform_os_family)/makefiles/$(BUILDARCH).make
endif
# set VPATH so make knows where to look for source files
# Src_Dirs_V is everything in src/share/vm/*, plus the right os/*/vm and cpu/*/vm
# The adfiles directory contains ad_<arch>.[ch]pp.
# The jvmtifiles directory contains jvmti*.[ch]pp
Src_Dirs_V += $(GENERATED)/adfiles $(GENERATED)/jvmtifiles $(GENERATED)/tracefiles
VPATH += $(Src_Dirs_V:%=%:)
# set INCLUDES for C preprocessor.
Src_Dirs_I += $(GENERATED)
# The order is important for the precompiled headers to work.
INCLUDES += $(PRECOMPILED_HEADER_DIR:%=-I%) $(Src_Dirs_I:%=-I%)
# SYMFLAG is used by {jsig,saproc}.make
ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1)
# always build with debug info when we can create .debuginfo files
SYMFLAG = -g
else
ifeq (${VERSION}, debug)
SYMFLAG = -g
else
SYMFLAG =
endif
endif
# HOTSPOT_RELEASE_VERSION and HOTSPOT_BUILD_VERSION are defined
# in $(GAMMADIR)/make/defs.make
ifeq ($(HOTSPOT_BUILD_VERSION),)
BUILD_VERSION = -DHOTSPOT_RELEASE_VERSION="\"$(HOTSPOT_RELEASE_VERSION)\""
else
BUILD_VERSION = -DHOTSPOT_RELEASE_VERSION="\"$(HOTSPOT_RELEASE_VERSION)-$(HOTSPOT_BUILD_VERSION)\""
endif
# The following variables are defined in the generated flags.make file.
BUILD_VERSION = -DHOTSPOT_RELEASE_VERSION="\"$(HS_BUILD_VER)\""
JRE_VERSION = -DJRE_RELEASE_VERSION="\"$(JRE_RELEASE_VER)\""
HS_LIB_ARCH = -DHOTSPOT_LIB_ARCH=\"$(LIBARCH)\"
BUILD_TARGET = -DHOTSPOT_BUILD_TARGET="\"$(TARGET)\""
BUILD_USER = -DHOTSPOT_BUILD_USER="\"$(HOTSPOT_BUILD_USER)\""
VM_DISTRO = -DHOTSPOT_VM_DISTRO="\"$(HOTSPOT_VM_DISTRO)\""
CXXFLAGS = \
${SYSDEFS} \
${INCLUDES} \
${BUILD_VERSION} \
${BUILD_TARGET} \
${BUILD_USER} \
${HS_LIB_ARCH} \
${VM_DISTRO}
# This is VERY important! The version define must only be supplied to vm_version.o
# If not, ccache will not re-use the cache at all, since the version string might contain
# a time and date.
CXXFLAGS/vm_version.o += ${JRE_VERSION}
CXXFLAGS/BYFILE = $(CXXFLAGS/$@)
# File specific flags
CXXFLAGS += $(CXXFLAGS/BYFILE)
# Large File Support
ifneq ($(LP64), 1)
CXXFLAGS/ostream.o += -D_FILE_OFFSET_BITS=64
endif # ifneq ($(LP64), 1)
# CFLAGS_WARN holds compiler options to suppress/enable warnings.
CFLAGS += $(CFLAGS_WARN/BYFILE)
# Do not use C++ exception handling
CFLAGS += $(CFLAGS/NOEX)
# Extra flags from gnumake's invocation or environment
CFLAGS += $(EXTRA_CFLAGS)
LFLAGS += $(EXTRA_CFLAGS)
# Don't set excutable bit on stack segment
# the same could be done by separate execstack command
LFLAGS += -Xlinker -z -Xlinker noexecstack
LIBS += -lm -ldl -lpthread
# By default, link the *.o into the library, not the executable.
LINK_INTO$(LINK_INTO) = LIBJVM
JDK_LIBDIR = $(JAVA_HOME)/jre/lib/$(LIBARCH)
#----------------------------------------------------------------------
# jvm_db & dtrace
include $(MAKEFILES_DIR)/dtrace.make
#----------------------------------------------------------------------
# JVM
JVM = jvm
LIBJVM = lib$(JVM).so
LIBJVM_DEBUGINFO = lib$(JVM).debuginfo
LIBJVM_DIZ = lib$(JVM).diz
SPECIAL_PATHS:=adlc c1 gc_implementation opto shark libadt
SOURCE_PATHS=\
$(shell find $(HS_COMMON_SRC)/share/vm/* -type d \! \
\( -name DUMMY $(foreach dir,$(SPECIAL_PATHS),-o -name $(dir)) \))
SOURCE_PATHS+=$(HS_COMMON_SRC)/os/$(Platform_os_family)/vm
SOURCE_PATHS+=$(HS_COMMON_SRC)/os/posix/vm
SOURCE_PATHS+=$(HS_COMMON_SRC)/cpu/$(Platform_arch)/vm
SOURCE_PATHS+=$(HS_COMMON_SRC)/os_cpu/$(Platform_os_arch)/vm
CORE_PATHS=$(foreach path,$(SOURCE_PATHS),$(call altsrc,$(path)) $(path))
CORE_PATHS+=$(GENERATED)/jvmtifiles $(GENERATED)/tracefiles
ifneq ($(INCLUDE_TRACE), false)
CORE_PATHS+=$(shell if [ -d $(HS_ALT_SRC)/share/vm/jfr ]; then \
find $(HS_ALT_SRC)/share/vm/jfr -type d; \
fi)
endif
COMPILER1_PATHS := $(call altsrc,$(HS_COMMON_SRC)/share/vm/c1)
COMPILER1_PATHS += $(HS_COMMON_SRC)/share/vm/c1
COMPILER2_PATHS := $(call altsrc,$(HS_COMMON_SRC)/share/vm/opto)
COMPILER2_PATHS += $(call altsrc,$(HS_COMMON_SRC)/share/vm/libadt)
COMPILER2_PATHS += $(HS_COMMON_SRC)/share/vm/opto
COMPILER2_PATHS += $(HS_COMMON_SRC)/share/vm/libadt
COMPILER2_PATHS += $(GENERATED)/adfiles
SHARK_PATHS := $(GAMMADIR)/src/share/vm/shark
# Include dirs per type.
Src_Dirs/CORE := $(CORE_PATHS)
Src_Dirs/COMPILER1 := $(CORE_PATHS) $(COMPILER1_PATHS)
Src_Dirs/COMPILER2 := $(CORE_PATHS) $(COMPILER2_PATHS)
Src_Dirs/TIERED := $(CORE_PATHS) $(COMPILER1_PATHS) $(COMPILER2_PATHS)
Src_Dirs/ZERO := $(CORE_PATHS)
Src_Dirs/SHARK := $(CORE_PATHS) $(SHARK_PATHS)
Src_Dirs := $(Src_Dirs/$(TYPE))
COMPILER2_SPECIFIC_FILES := opto libadt bcEscapeAnalyzer.cpp c2_\* runtime_\*
COMPILER1_SPECIFIC_FILES := c1_\*
SHARK_SPECIFIC_FILES := shark
ZERO_SPECIFIC_FILES := zero
# Always exclude these.
Src_Files_EXCLUDE += jsig.c jvmtiEnvRecommended.cpp jvmtiEnvStub.cpp
# Exclude per type.
Src_Files_EXCLUDE/CORE := $(COMPILER1_SPECIFIC_FILES) $(COMPILER2_SPECIFIC_FILES) $(ZERO_SPECIFIC_FILES) $(SHARK_SPECIFIC_FILES) ciTypeFlow.cpp
Src_Files_EXCLUDE/COMPILER1 := $(COMPILER2_SPECIFIC_FILES) $(ZERO_SPECIFIC_FILES) $(SHARK_SPECIFIC_FILES) ciTypeFlow.cpp
Src_Files_EXCLUDE/COMPILER2 := $(COMPILER1_SPECIFIC_FILES) $(ZERO_SPECIFIC_FILES) $(SHARK_SPECIFIC_FILES)
Src_Files_EXCLUDE/TIERED := $(ZERO_SPECIFIC_FILES) $(SHARK_SPECIFIC_FILES)
Src_Files_EXCLUDE/ZERO := $(COMPILER1_SPECIFIC_FILES) $(COMPILER2_SPECIFIC_FILES) $(SHARK_SPECIFIC_FILES) ciTypeFlow.cpp
Src_Files_EXCLUDE/SHARK := $(COMPILER1_SPECIFIC_FILES) $(COMPILER2_SPECIFIC_FILES) $(ZERO_SPECIFIC_FILES)
Src_Files_EXCLUDE += $(Src_Files_EXCLUDE/$(TYPE))
# Special handling of arch model.
ifeq ($(Platform_arch_model), x86_32)
Src_Files_EXCLUDE += \*x86_64\*
endif
ifeq ($(Platform_arch_model), x86_64)
Src_Files_EXCLUDE += \*x86_32\*
endif
# Alternate vm.make
# This has to be included here to allow changes to the source
# directories and excluded files before they are expanded
# by the definition of Src_Files.
-include $(HS_ALT_MAKE)/$(Platform_os_family)/makefiles/vm.make
# Locate all source files in the given directory, excluding files in Src_Files_EXCLUDE.
define findsrc
$(notdir $(shell find $(1)/. ! -name . -prune \
-a \( -name \*.c -o -name \*.cpp -o -name \*.s \) \
-a ! \( -name DUMMY $(addprefix -o -name ,$(Src_Files_EXCLUDE)) \)))
endef
Src_Files := $(foreach e,$(Src_Dirs),$(call findsrc,$(e)))
Obj_Files = $(sort $(addsuffix .o,$(basename $(Src_Files))))
JVM_OBJ_FILES = $(Obj_Files)
vm_version.o: $(filter-out vm_version.o,$(JVM_OBJ_FILES))
mapfile : $(MAPFILE) vm.def
rm -f $@
awk '{ if ($$0 ~ "INSERT VTABLE SYMBOLS HERE") \
{ system ("cat vm.def"); } \
else \
{ print $$0 } \
}' > $@ < $(MAPFILE)
mapfile_reorder : mapfile $(REORDERFILE)
rm -f $@
cat $^ > $@
vm.def: $(Res_Files) $(Obj_Files)
sh $(GAMMADIR)/make/linux/makefiles/build_vm_def.sh *.o > $@
ifeq ($(JVM_VARIANT_ZEROSHARK), true)
STATIC_CXX = false
else
ifeq ($(ZERO_LIBARCH), ppc64)
STATIC_CXX = false
else
STATIC_CXX = true
endif
endif
ifeq ($(LINK_INTO),AOUT)
LIBJVM.o =
LIBJVM_MAPFILE =
LIBS_VM = $(LIBS)
else
LIBJVM.o = $(JVM_OBJ_FILES)
LIBJVM_MAPFILE$(LDNOMAP) = mapfile_reorder
LFLAGS_VM$(LDNOMAP) += $(MAPFLAG:FILENAME=$(LIBJVM_MAPFILE))
LFLAGS_VM += $(SONAMEFLAG:SONAME=$(LIBJVM))
# JVM is statically linked with libgcc[_s] and libstdc++; this is needed to
# get around library dependency and compatibility issues. Must use gcc not
# g++ to link.
ifeq ($(STATIC_CXX), true)
LFLAGS_VM += $(STATIC_LIBGCC)
LIBS_VM += $(STATIC_STDCXX)
else
LIBS_VM += -lstdc++
endif
LIBS_VM += $(LIBS)
endif
ifeq ($(JVM_VARIANT_ZERO), true)
LIBS_VM += $(LIBFFI_LIBS)
endif
ifeq ($(JVM_VARIANT_ZEROSHARK), true)
LIBS_VM += $(LIBFFI_LIBS) $(LLVM_LIBS)
LFLAGS_VM += $(LLVM_LDFLAGS)
endif
LINK_VM = $(LINK_LIB.CC)
# rule for building precompiled header
$(PRECOMPILED_HEADER):
$(QUIETLY) echo Generating precompiled header $@
$(QUIETLY) mkdir -p $(PRECOMPILED_HEADER_DIR)
$(QUIETLY) $(COMPILE.CXX) $(DEPFLAGS) -x c++-header $(PRECOMPILED_HEADER_SRC) -o $@ $(COMPILE_DONE)
# making the library:
ifneq ($(JVM_BASE_ADDR),)
# By default shared library is linked at base address == 0. Modify the
# linker script if JVM prefers a different base location. It can also be
# implemented with 'prelink -r'. But 'prelink' is not (yet) available on
# our build platform (AS-2.1).
LD_SCRIPT = libjvm.so.lds
$(LD_SCRIPT): $(LIBJVM_MAPFILE)
$(QUIETLY) { \
rm -rf $@; \
$(LINK_VM) -Wl,--verbose $(LFLAGS_VM) 2>&1 | \
sed -e '/^======/,/^======/!d' \
-e '/^======/d' \
-e 's/0\( + SIZEOF_HEADERS\)/$(JVM_BASE_ADDR)\1/' \
> $@; \
}
LD_SCRIPT_FLAG = -Wl,-T,$(LD_SCRIPT)
endif
# With more recent Redhat releases (or the cutting edge version Fedora), if
# SELinux is configured to be enabled, the runtime linker will fail to apply
# the text relocation to libjvm.so considering that it is built as a non-PIC
# DSO. To workaround that, we run chcon to libjvm.so after it is built. See
# details in bug 6538311.
$(LIBJVM): $(LIBJVM.o) $(LIBJVM_MAPFILE) $(LD_SCRIPT)
$(QUIETLY) { \
echo Linking vm...; \
$(LINK_LIB.CXX/PRE_HOOK) \
$(LINK_VM) $(LD_SCRIPT_FLAG) \
$(LFLAGS_VM) -o $@ $(sort $(LIBJVM.o)) $(LIBS_VM); \
$(LINK_LIB.CXX/POST_HOOK) \
rm -f $@.1; ln -s $@ $@.1; \
if [ \"$(CROSS_COMPILE_ARCH)\" = \"\" ] ; then \
if [ -x /usr/sbin/selinuxenabled ] ; then \
/usr/sbin/selinuxenabled; \
if [ $$? = 0 ] ; then \
/usr/bin/chcon -t textrel_shlib_t $@; \
if [ $$? != 0 ]; then \
echo "ERROR: Cannot chcon $@"; \
fi \
fi \
fi \
fi \
}
ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1)
$(QUIETLY) $(OBJCOPY) --only-keep-debug $@ $(LIBJVM_DEBUGINFO)
$(QUIETLY) $(OBJCOPY) --add-gnu-debuglink=$(LIBJVM_DEBUGINFO) $@
ifeq ($(STRIP_POLICY),all_strip)
$(QUIETLY) $(STRIP) $@
else
ifeq ($(STRIP_POLICY),min_strip)
$(QUIETLY) $(STRIP) -g $@
# implied else here is no stripping at all
endif
endif
ifeq ($(ZIP_DEBUGINFO_FILES),1)
$(ZIPEXE) -q -y $(LIBJVM_DIZ) $(LIBJVM_DEBUGINFO)
$(RM) $(LIBJVM_DEBUGINFO)
endif
endif
DEST_SUBDIR = $(JDK_LIBDIR)/$(VM_SUBDIR)
DEST_JVM = $(DEST_SUBDIR)/$(LIBJVM)
DEST_JVM_DEBUGINFO = $(DEST_SUBDIR)/$(LIBJVM_DEBUGINFO)
DEST_JVM_DIZ = $(DEST_SUBDIR)/$(LIBJVM_DIZ)
install_jvm: $(LIBJVM)
@echo "Copying $(LIBJVM) to $(DEST_JVM)"
$(QUIETLY) test -f $(LIBJVM_DEBUGINFO) && \
cp -f $(LIBJVM_DEBUGINFO) $(DEST_JVM_DEBUGINFO)
$(QUIETLY) test -f $(LIBJVM_DIZ) && \
cp -f $(LIBJVM_DIZ) $(DEST_JVM_DIZ)
$(QUIETLY) cp -f $(LIBJVM) $(DEST_JVM) && echo "Done"
#----------------------------------------------------------------------
# Other files
# Signal interposition library
include $(MAKEFILES_DIR)/jsig.make
# Serviceability agent
include $(MAKEFILES_DIR)/saproc.make
#----------------------------------------------------------------------
build: $(LIBJVM) $(LAUNCHER) $(LIBJSIG) $(LIBJVM_DB) $(BUILDLIBSAPROC) dtraceCheck
install: install_jvm install_jsig install_saproc
.PHONY: default build install install_jvm $(HS_ALT_MAKE)/$(Platform_os_family)/makefiles/$(BUILDARCH).make $(HS_ALT_MAKE)/$(Platform_os_family)/makefiles/vm.make
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