#
# Copyright (c) 1998, 2010, 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

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?)
include $(MAKEFILES_DIR)/$(BUILDARCH).make

# 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
VPATH += $(Src_Dirs_V:%=%:)

# set INCLUDES for C preprocessor
Src_Dirs_I += $(GENERATED)
INCLUDES += $(Src_Dirs_I:%=-I%)

ifeq (${VERSION}, debug)
  SYMFLAG = -g
else
  SYMFLAG =
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)\""

CPPFLAGS =           \
  ${SYSDEFS}         \
  ${INCLUDES}        \
  ${BUILD_VERSION}   \
  ${BUILD_TARGET}    \
  ${BUILD_USER}      \
  ${HS_LIB_ARCH}     \
  ${JRE_VERSION}     \
  ${VM_DISTRO}

# CFLAGS_WARN holds compiler options to suppress/enable warnings.
CFLAGS += $(CFLAGS_WARN)

# Do not use C++ exception handling
CFLAGS += $(CFLAGS/NOEX)

# Extra flags from gnumake's invocation or environment
CFLAGS += $(EXTRA_CFLAGS)

# Math Library (libm.so), do not use -lm.
#    There might be two versions of libm.so on the build system:
#    libm.so.1 and libm.so.2, and we want libm.so.1.
#    Depending on the Solaris release being used to build with,
#    /usr/lib/libm.so could point at a libm.so.2, so we are
#    explicit here so that the libjvm.so you have built will work on an
#    older Solaris release that might not have libm.so.2.
#    This is a critical factor in allowing builds on Solaris 10 or newer
#    to run on Solaris 8 or 9.
#
LIBM=/usr/lib$(ISA_DIR)/libm.so.1

ifeq ("${Platform_compiler}", "sparcWorks")
# The whole megilla:
ifeq ($(shell expr $(COMPILER_REV_NUMERIC) \>= 505), 1)
# Old Comment: List the libraries in the order the compiler was designed for
# Not sure what the 'designed for' comment is referring too above.
#   The order may not be too significant anymore, but I have placed this
#   older libm before libCrun, just to make sure it's found and used first.
LIBS += -lsocket -lsched -ldl $(LIBM) -lCrun -lthread -ldoor -lc
else
ifeq ($(COMPILER_REV_NUMERIC), 502)
# SC6.1 has it's own libm.so: specifying anything else provokes a name conflict.
LIBS += -ldl -lthread -lsocket -lm -lsched -ldoor
else
LIBS += -ldl -lthread -lsocket $(LIBM) -lsched -ldoor
endif # 502
endif # 505
else
LIBS += -lsocket -lsched -ldl $(LIBM) -lthread -lc
endif # sparcWorks

# 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$(JVM).so
LIBJVM_G = lib$(JVM)$(G_SUFFIX).so

CORE_PATHS := $(shell find $(GAMMADIR)/src/share/vm/* -type d \! \( -name adlc -o -name c1 -o -name gc_implementation -o -name opto -o -name shark -o -name libadt \))
CORE_PATHS += $(GAMMADIR)/src/os/$(Platform_os_family)/vm
CORE_PATHS += $(GAMMADIR)/src/cpu/$(Platform_arch)/vm
CORE_PATHS += $(GAMMADIR)/src/os_cpu/$(Platform_os_arch)/vm
CORE_PATHS += $(GENERATED)/jvmtifiles

COMPILER1_PATHS := $(GAMMADIR)/src/share/vm/c1

COMPILER2_PATHS := $(GAMMADIR)/src/share/vm/opto
COMPILER2_PATHS += $(GAMMADIR)/src/share/vm/libadt
COMPILER2_PATHS +=  $(GENERATED)/adfiles

# 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)
Src_Dirs := $(Src_Dirs/$(TYPE))

COMPILER2_SPECIFIC_FILES := opto libadt bcEscapeAnalyzer.cpp chaitin\* c2_\* runtime_\*
COMPILER1_SPECIFIC_FILES := c1_\*
SHARK_SPECIFIC_FILES     := shark
ZERO_SPECIFIC_FILES      := zero

# Always exclude these.
Src_Files_EXCLUDE := dtrace 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

# Locate all source files in the given directory, excluding files in Src_Files_EXCLUDE.
define findsrc
	$(notdir $(shell find $(1) \( -name \*.c -o -name \*.cpp -o -name \*.s \) -a \! \( -name DUMMY $(addprefix -o -name ,$(Src_Files_EXCLUDE)) \) ))
endef

Src_Files := $(foreach e,$(Src_Dirs),$(call findsrc,$(e)))

Obj_Files = $(addsuffix .o,$(basename $(Src_Files)))

JVM_OBJ_FILES = $(Obj_Files) $(DTRACE_OBJS)

vm_version.o: $(filter-out vm_version.o,$(JVM_OBJ_FILES))

mapfile : $(MAPFILE) $(MAPFILE_DTRACE_OPT)
	rm -f $@
	cat $^ > $@

mapfile_reorder : mapfile $(MAPFILE_DTRACE_OPT) $(REORDERFILE)
	rm -f $@
	cat $^ > $@

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))
ifndef USE_GCC
  LIBS_VM                  = $(LIBS)
else
  # 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.
  LFLAGS_VM                += $(STATIC_LIBGCC)
  LIBS_VM                  += $(STATIC_STDCXX) $(LIBS)
endif
endif

ifdef USE_GCC
LINK_VM = $(LINK_LIB.c)
else
LINK_VM = $(LINK_LIB.CC)
endif
# making the library:
$(LIBJVM): $(LIBJVM.o) $(LIBJVM_MAPFILE) 
ifeq ($(filter -sbfast -xsbfast, $(CFLAGS_BROWSE)),)
	@echo Linking vm...
	$(QUIETLY) $(LINK_LIB.CC/PRE_HOOK)
	$(QUIETLY) $(LINK_VM) $(LFLAGS_VM) -o $@ $(LIBJVM.o) $(LIBS_VM)
	$(QUIETLY) $(LINK_LIB.CC/POST_HOOK)
	$(QUIETLY) rm -f $@.1 && ln -s $@ $@.1
	$(QUIETLY) [ -f $(LIBJVM_G) ] || ln -s $@ $(LIBJVM_G)
	$(QUIETLY) [ -f $(LIBJVM_G).1 ] || ln -s $@.1 $(LIBJVM_G).1
endif # filter -sbfast -xsbfast


DEST_JVM = $(JDK_LIBDIR)/$(VM_SUBDIR)/$(LIBJVM)

install_jvm: $(LIBJVM)
	@echo "Copying $(LIBJVM) to $(DEST_JVM)"
	$(QUIETLY) cp -f $(LIBJVM) $(DEST_JVM) && echo "Done"

#----------------------------------------------------------------------
# Other files

# Gamma launcher
include $(MAKEFILES_DIR)/launcher.make

# Signal interposition library
include $(MAKEFILES_DIR)/jsig.make

# Serviceability agent
include $(MAKEFILES_DIR)/saproc.make

#----------------------------------------------------------------------

build: $(LIBJVM) $(LAUNCHER) $(LIBJSIG) $(LIBJVM_DB) $(LIBJVM_DTRACE) checkAndBuildSA dtraceCheck

install: install_jvm install_jsig install_saproc

.PHONY: default build install install_jvm