#
# Copyright (c) 2006, 2012, 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.
#  
#

# The common definitions for hotspot linux builds.
# Include the top level defs.make under make directory instead of this one.
# This file is included into make/defs.make.

SLASH_JAVA ?= /java

# Need PLATFORM (os-arch combo names) for jdk and hotspot, plus libarch name
ARCH:=$(shell uname -m)
PATH_SEP = :
ifeq ($(LP64), 1)
  ARCH_DATA_MODEL ?= 64
else
  ARCH_DATA_MODEL ?= 32
endif

# zero
ifeq ($(findstring true, $(JVM_VARIANT_ZERO) $(JVM_VARIANT_ZEROSHARK)), true)
  ifeq ($(ARCH_DATA_MODEL), 64)
    MAKE_ARGS      += LP64=1
  endif
  PLATFORM         = linux-zero
  VM_PLATFORM      = linux_$(subst i386,i486,$(ZERO_LIBARCH))
  HS_ARCH          = zero
  ARCH             = zero
endif

# ia64
ifeq ($(ARCH), ia64)
  ARCH_DATA_MODEL = 64
  MAKE_ARGS      += LP64=1
  PLATFORM        = linux-ia64
  VM_PLATFORM     = linux_ia64
  HS_ARCH         = ia64
endif

# sparc
ifeq ($(ARCH), sparc64)
  ifeq ($(ARCH_DATA_MODEL), 64)
    ARCH_DATA_MODEL  = 64
    MAKE_ARGS        += LP64=1
    PLATFORM         = linux-sparcv9
    VM_PLATFORM      = linux_sparcv9
  else
    ARCH_DATA_MODEL  = 32
    PLATFORM         = linux-sparc
    VM_PLATFORM      = linux_sparc
  endif
  HS_ARCH            = sparc
endif

# x86_64
ifeq ($(ARCH), x86_64) 
  ifeq ($(ARCH_DATA_MODEL), 64)
    ARCH_DATA_MODEL = 64
    MAKE_ARGS       += LP64=1
    PLATFORM        = linux-amd64
    VM_PLATFORM     = linux_amd64
    HS_ARCH         = x86
  else
    ARCH_DATA_MODEL = 32
    PLATFORM        = linux-i586
    VM_PLATFORM     = linux_i486
    HS_ARCH         = x86
    # We have to reset ARCH to i686 since SRCARCH relies on it
    ARCH            = i686   
  endif
endif

# i686
ifeq ($(ARCH), i686)
  ARCH_DATA_MODEL  = 32
  PLATFORM         = linux-i586
  VM_PLATFORM      = linux_i486
  HS_ARCH          = x86
endif

# ARM
ifeq ($(ARCH), arm)
  ARCH_DATA_MODEL  = 32
  PLATFORM         = linux-arm
  VM_PLATFORM      = linux_arm
  HS_ARCH          = arm
endif

# PPC
ifeq ($(ARCH), ppc)
  ARCH_DATA_MODEL  = 32
  PLATFORM         = linux-ppc
  VM_PLATFORM      = linux_ppc
  HS_ARCH          = ppc
endif

# On 32 bit linux we build server and client, on 64 bit just server.
ifeq ($(JVM_VARIANTS),)
  ifeq ($(ARCH_DATA_MODEL), 32)
    JVM_VARIANTS:=client,server
    JVM_VARIANT_CLIENT:=true
    JVM_VARIANT_SERVER:=true
  else
    JVM_VARIANTS:=server
    JVM_VARIANT_SERVER:=true
  endif
endif

# determine if HotSpot is being built in JDK6 or earlier version
JDK6_OR_EARLIER=0
ifeq "$(shell expr \( '$(JDK_MAJOR_VERSION)' != '' \& '$(JDK_MINOR_VERSION)' != '' \& '$(JDK_MICRO_VERSION)' != '' \))" "1"
  # if the longer variable names (newer build style) are set, then check those
  ifeq "$(shell expr \( $(JDK_MAJOR_VERSION) = 1 \& $(JDK_MINOR_VERSION) \< 7 \))" "1"
    JDK6_OR_EARLIER=1
  endif
else
  # the longer variables aren't set so check the shorter variable names
  ifeq "$(shell expr \( '$(JDK_MAJOR_VER)' = 1 \& '$(JDK_MINOR_VER)' \< 7 \))" "1"
    JDK6_OR_EARLIER=1
  endif
endif

ifeq ($(JDK6_OR_EARLIER),0)
  # Full Debug Symbols is supported on JDK7 or newer

  # Default OBJCOPY comes from GNU Binutils on Linux:
  DEF_OBJCOPY=/usr/bin/objcopy
  ifdef CROSS_COMPILE_ARCH
    # don't try to generate .debuginfo files when cross compiling
    _JUNK_ := $(shell \
      echo >&2 "INFO: cross compiling for ARCH $(CROSS_COMPILE_ARCH)," \
        "skipping .debuginfo generation.")
    OBJCOPY=
  else
    OBJCOPY=$(shell test -x $(DEF_OBJCOPY) && echo $(DEF_OBJCOPY))
    ifneq ($(ALT_OBJCOPY),)
      _JUNK_ := $(shell echo >&2 "INFO: ALT_OBJCOPY=$(ALT_OBJCOPY)")
      # disable .debuginfo support by setting ALT_OBJCOPY to a non-existent path
      OBJCOPY=$(shell test -x $(ALT_OBJCOPY) && echo $(ALT_OBJCOPY))
    endif
  endif
  
  ifeq ($(OBJCOPY),)
    _JUNK_ := $(shell \
      echo >&2 "INFO: no objcopy cmd found so cannot create .debuginfo files.")
  else
    _JUNK_ := $(shell \
      echo >&2 "INFO: $(OBJCOPY) cmd found so will create .debuginfo files.")
  
    # Library stripping policies for .debuginfo configs:
    #   all_strip - strips everything from the library
    #   min_strip - strips most stuff from the library; leaves minimum symbols
    #   no_strip  - does not strip the library at all
    #
    # Oracle security policy requires "all_strip". A waiver was granted on
    # 2011.09.01 that permits using "min_strip" in the Java JDK and Java JRE.
    #
    DEF_STRIP_POLICY="min_strip"
    ifeq ($(ALT_STRIP_POLICY),)
      STRIP_POLICY=$(DEF_STRIP_POLICY)
    else
      STRIP_POLICY=$(ALT_STRIP_POLICY)
    endif
  
    _JUNK_ := $(shell \
      echo >&2 "INFO: STRIP_POLICY=$(STRIP_POLICY)")
  endif
endif

JDK_INCLUDE_SUBDIR=linux

# Library suffix
LIBRARY_SUFFIX=so

# FIXUP: The subdirectory for a debug build is NOT the same on all platforms
VM_DEBUG=jvmg

EXPORT_LIST += $(EXPORT_DOCS_DIR)/platform/jvmti/jvmti.html

# client and server subdirectories have symbolic links to ../libjsig.so
EXPORT_LIST += $(EXPORT_JRE_LIB_ARCH_DIR)/libjsig.$(LIBRARY_SUFFIX)
ifneq ($(OBJCOPY),)
  EXPORT_LIST += $(EXPORT_JRE_LIB_ARCH_DIR)/libjsig.debuginfo
endif
EXPORT_SERVER_DIR = $(EXPORT_JRE_LIB_ARCH_DIR)/server
EXPORT_CLIENT_DIR = $(EXPORT_JRE_LIB_ARCH_DIR)/client

EXPORT_LIST += $(EXPORT_JRE_LIB_DIR)/wb.jar

ifeq ($(findstring true, $(JVM_VARIANT_SERVER) $(JVM_VARIANT_ZERO) $(JVM_VARIANT_ZEROSHARK)), true)
  EXPORT_LIST += $(EXPORT_SERVER_DIR)/Xusage.txt
  EXPORT_LIST += $(EXPORT_SERVER_DIR)/libjvm.$(LIBRARY_SUFFIX)
  ifneq ($(OBJCOPY),)
    EXPORT_LIST += $(EXPORT_SERVER_DIR)/libjvm.debuginfo
  endif
endif

ifeq ($(JVM_VARIANT_CLIENT),true)
  EXPORT_LIST += $(EXPORT_CLIENT_DIR)/Xusage.txt
  EXPORT_LIST += $(EXPORT_CLIENT_DIR)/libjvm.$(LIBRARY_SUFFIX)
  ifneq ($(OBJCOPY),)
    EXPORT_LIST += $(EXPORT_CLIENT_DIR)/libjvm.debuginfo
  endif 
endif

# Serviceability Binaries
# No SA Support for PPC, IA64, ARM or zero
ADD_SA_BINARIES/x86   = $(EXPORT_JRE_LIB_ARCH_DIR)/libsaproc.$(LIBRARY_SUFFIX) \
                        $(EXPORT_LIB_DIR)/sa-jdi.jar 
ADD_SA_BINARIES/sparc = $(EXPORT_JRE_LIB_ARCH_DIR)/libsaproc.$(LIBRARY_SUFFIX) \
                        $(EXPORT_LIB_DIR)/sa-jdi.jar 
ifneq ($(OBJCOPY),)
  ADD_SA_BINARIES/x86   += $(EXPORT_JRE_LIB_ARCH_DIR)/libsaproc.debuginfo
  ADD_SA_BINARIES/sparc += $(EXPORT_JRE_LIB_ARCH_DIR)/libsaproc.debuginfo
endif
ADD_SA_BINARIES/ppc   = 
ADD_SA_BINARIES/ia64  = 
ADD_SA_BINARIES/arm   = 
ADD_SA_BINARIES/zero  = 

EXPORT_LIST += $(ADD_SA_BINARIES/$(HS_ARCH))