1 #
   2 # Copyright (c) 2006, 2013, Oracle and/or its affiliates. All rights reserved.
   3 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4 #
   5 # This code is free software; you can redistribute it and/or modify it
   6 # under the terms of the GNU General Public License version 2 only, as
   7 # published by the Free Software Foundation.
   8 #
   9 # This code is distributed in the hope that it will be useful, but WITHOUT
  10 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12 # version 2 for more details (a copy is included in the LICENSE file that
  13 # accompanied this code).
  14 #
  15 # You should have received a copy of the GNU General Public License version
  16 # 2 along with this work; if not, write to the Free Software Foundation,
  17 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18 #
  19 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20 # or visit www.oracle.com if you need additional information or have any
  21 # questions.
  22 #
  23 #
  24 
  25 # The common definitions for hotspot linux builds.
  26 # Include the top level defs.make under make directory instead of this one.
  27 # This file is included into make/defs.make.
  28 
  29 SLASH_JAVA ?= /java
  30 
  31 # Need PLATFORM (os-arch combo names) for jdk and hotspot, plus libarch name
  32 
  33 # ARCH can be set explicitly in spec.gmk
  34 ifndef ARCH
  35   ARCH := $(shell uname -m)
  36   # Fold little endian PowerPC64 into big-endian (if ARCH is set in
  37   # hotspot-spec.gmk, this will be done by the configure script).
  38   ifeq ($(ARCH),ppc64le)
  39     ARCH := ppc64
  40   endif
  41 endif
  42 
  43 PATH_SEP ?= :
  44 
  45 ifeq ($(LP64), 1)
  46   ARCH_DATA_MODEL ?= 64
  47 else
  48   ARCH_DATA_MODEL ?= 32
  49 endif
  50 
  51 # zero
  52 ifeq ($(findstring true, $(JVM_VARIANT_ZERO) $(JVM_VARIANT_ZEROSHARK)), true)
  53   ifeq ($(ARCH_DATA_MODEL), 64)
  54     MAKE_ARGS      += LP64=1
  55   endif
  56   PLATFORM         = linux-zero
  57   VM_PLATFORM      = linux_$(subst i386,i486,$(ZERO_LIBARCH))
  58   HS_ARCH          = zero
  59   ARCH             = zero
  60 endif
  61 
  62 # ia64
  63 ifeq ($(ARCH), ia64)
  64   ARCH_DATA_MODEL = 64
  65   MAKE_ARGS      += LP64=1
  66   PLATFORM        = linux-ia64
  67   VM_PLATFORM     = linux_ia64
  68   HS_ARCH         = ia64
  69 endif
  70 
  71 # sparc
  72 ifeq ($(ARCH), sparc64)
  73   ifeq ($(ARCH_DATA_MODEL), 64)
  74     ARCH_DATA_MODEL  = 64
  75     MAKE_ARGS        += LP64=1
  76     PLATFORM         = linux-sparcv9
  77     VM_PLATFORM      = linux_sparcv9
  78   else
  79     ARCH_DATA_MODEL  = 32
  80     PLATFORM         = linux-sparc
  81     VM_PLATFORM      = linux_sparc
  82   endif
  83   HS_ARCH            = sparc
  84 endif
  85 
  86 # amd64/x86_64
  87 ifneq (,$(findstring $(ARCH), amd64 x86_64))
  88   ifeq ($(ARCH_DATA_MODEL), 64)
  89     ARCH_DATA_MODEL = 64
  90     MAKE_ARGS       += LP64=1
  91     PLATFORM        = linux-amd64
  92     VM_PLATFORM     = linux_amd64
  93     HS_ARCH         = x86
  94   else
  95     ARCH_DATA_MODEL = 32
  96     PLATFORM        = linux-i586
  97     VM_PLATFORM     = linux_i486
  98     HS_ARCH         = x86
  99     # We have to reset ARCH to i686 since SRCARCH relies on it
 100     ARCH            = i686
 101   endif
 102 endif
 103 
 104 # i686/i586 ie 32-bit x86
 105 ifneq (,$(findstring $(ARCH), i686 i586))
 106   ARCH_DATA_MODEL  = 32
 107   PLATFORM         = linux-i586
 108   VM_PLATFORM      = linux_i486
 109   HS_ARCH          = x86
 110 endif
 111 
 112 # PPC
 113 ifeq ($(ARCH), ppc)
 114   ARCH_DATA_MODEL  = 32
 115   PLATFORM         = linux-ppc
 116   VM_PLATFORM      = linux_ppc
 117   HS_ARCH          = ppc
 118 endif
 119 
 120 # PPC64
 121 ifeq ($(ARCH), ppc64)
 122   ARCH_DATA_MODEL  = 64
 123   MAKE_ARGS        += LP64=1
 124   PLATFORM         = linux-ppc64
 125   VM_PLATFORM      = linux_ppc64
 126   HS_ARCH          = ppc
 127 endif
 128 
 129 # On 32 bit linux we build server and client, on 64 bit just server.
 130 ifeq ($(JVM_VARIANTS),)
 131   ifeq ($(ARCH_DATA_MODEL), 32)
 132     JVM_VARIANTS:=client,server
 133     JVM_VARIANT_CLIENT:=true
 134     JVM_VARIANT_SERVER:=true
 135   else
 136     JVM_VARIANTS:=server
 137     JVM_VARIANT_SERVER:=true
 138   endif
 139 endif
 140 
 141 # determine if HotSpot is being built in JDK6 or earlier version
 142 JDK6_OR_EARLIER=0
 143 ifeq "$(shell expr \( '$(JDK_MAJOR_VERSION)' != '' \& '$(JDK_MINOR_VERSION)' != '' \& '$(JDK_MICRO_VERSION)' != '' \))" "1"
 144   # if the longer variable names (newer build style) are set, then check those
 145   ifeq "$(shell expr \( $(JDK_MAJOR_VERSION) = 1 \& $(JDK_MINOR_VERSION) \< 7 \))" "1"
 146     JDK6_OR_EARLIER=1
 147   endif
 148 else
 149   # the longer variables aren't set so check the shorter variable names
 150   ifeq "$(shell expr \( '$(JDK_MAJOR_VER)' = 1 \& '$(JDK_MINOR_VER)' \< 7 \))" "1"
 151     JDK6_OR_EARLIER=1
 152   endif
 153 endif
 154 
 155 ifeq ($(JDK6_OR_EARLIER),0)
 156   # Full Debug Symbols is supported on JDK7 or newer.
 157   # The Full Debug Symbols (FDS) default for BUILD_FLAVOR == product
 158   # builds is enabled with debug info files ZIP'ed to save space. For
 159   # BUILD_FLAVOR != product builds, FDS is always enabled, after all a
 160   # debug build without debug info isn't very useful.
 161   # The ZIP_DEBUGINFO_FILES option only has meaning when FDS is enabled.
 162   #
 163   # If you invoke a build with FULL_DEBUG_SYMBOLS=0, then FDS will be
 164   # disabled for a BUILD_FLAVOR == product build.
 165   #
 166   # Note: Use of a different variable name for the FDS override option
 167   # versus the FDS enabled check is intentional (FULL_DEBUG_SYMBOLS
 168   # versus ENABLE_FULL_DEBUG_SYMBOLS). For auto build systems that pass
 169   # in options via environment variables, use of distinct variables
 170   # prevents strange behaviours. For example, in a BUILD_FLAVOR !=
 171   # product build, the FULL_DEBUG_SYMBOLS environment variable will be
 172   # 0, but the ENABLE_FULL_DEBUG_SYMBOLS make variable will be 1. If
 173   # the same variable name is used, then different values can be picked
 174   # up by different parts of the build. Just to be clear, we only need
 175   # two variable names because the incoming option value can be
 176   # overridden in some situations, e.g., a BUILD_FLAVOR != product
 177   # build.
 178 
 179   # Due to the multiple sub-make processes that occur this logic gets
 180   # executed multiple times. We reduce the noise by at least checking that
 181   # BUILD_FLAVOR has been set.
 182   ifneq ($(BUILD_FLAVOR),)
 183     ifeq ($(BUILD_FLAVOR), product)
 184       FULL_DEBUG_SYMBOLS ?= 1
 185       ENABLE_FULL_DEBUG_SYMBOLS = $(FULL_DEBUG_SYMBOLS)
 186     else
 187       # debug variants always get Full Debug Symbols (if available)
 188       ENABLE_FULL_DEBUG_SYMBOLS = 1
 189     endif
 190     _JUNK_ := $(shell \
 191       echo >&2 "INFO: ENABLE_FULL_DEBUG_SYMBOLS=$(ENABLE_FULL_DEBUG_SYMBOLS)")
 192     # since objcopy is optional, we set ZIP_DEBUGINFO_FILES later
 193 
 194     ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1)
 195       # Default OBJCOPY comes from GNU Binutils on Linux
 196       ifeq ($(CROSS_COMPILE_ARCH),)
 197         DEF_OBJCOPY=/usr/bin/objcopy
 198       else
 199         # Assume objcopy is part of the cross-compilation toolset
 200         ifneq ($(ALT_COMPILER_PATH),)
 201           DEF_OBJCOPY=$(ALT_COMPILER_PATH)/objcopy
 202         endif
 203       endif
 204       OBJCOPY=$(shell test -x $(DEF_OBJCOPY) && echo $(DEF_OBJCOPY))
 205       ifneq ($(ALT_OBJCOPY),)
 206         _JUNK_ := $(shell echo >&2 "INFO: ALT_OBJCOPY=$(ALT_OBJCOPY)")
 207         OBJCOPY=$(shell test -x $(ALT_OBJCOPY) && echo $(ALT_OBJCOPY))
 208       endif
 209 
 210       ifeq ($(OBJCOPY),)
 211         _JUNK_ := $(shell \
 212           echo >&2 "INFO: no objcopy cmd found so cannot create .debuginfo files. You may need to set ALT_OBJCOPY.")
 213         ENABLE_FULL_DEBUG_SYMBOLS=0
 214         _JUNK_ := $(shell \
 215           echo >&2 "INFO: ENABLE_FULL_DEBUG_SYMBOLS=$(ENABLE_FULL_DEBUG_SYMBOLS)")
 216       else
 217         _JUNK_ := $(shell \
 218           echo >&2 "INFO: $(OBJCOPY) cmd found so will create .debuginfo files.")
 219 
 220         # Library stripping policies for .debuginfo configs:
 221         #   all_strip - strips everything from the library
 222         #   min_strip - strips most stuff from the library; leaves minimum symbols
 223         #   no_strip  - does not strip the library at all
 224         #
 225         # Oracle security policy requires "all_strip". A waiver was granted on
 226         # 2011.09.01 that permits using "min_strip" in the Java JDK and Java JRE.
 227         #
 228         # Currently, STRIP_POLICY is only used when Full Debug Symbols is enabled.
 229         #
 230         STRIP_POLICY ?= min_strip
 231 
 232         _JUNK_ := $(shell \
 233           echo >&2 "INFO: STRIP_POLICY=$(STRIP_POLICY)")
 234 
 235         ZIP_DEBUGINFO_FILES ?= 1
 236 
 237         _JUNK_ := $(shell \
 238           echo >&2 "INFO: ZIP_DEBUGINFO_FILES=$(ZIP_DEBUGINFO_FILES)")
 239       endif
 240     endif # ENABLE_FULL_DEBUG_SYMBOLS=1
 241   endif # BUILD_FLAVOR
 242 endif # JDK_6_OR_EARLIER
 243 
 244 JDK_INCLUDE_SUBDIR=linux
 245 
 246 # Library suffix
 247 LIBRARY_SUFFIX=so
 248 
 249 EXPORT_LIST += $(EXPORT_DOCS_DIR)/platform/jvmti/jvmti.html
 250 
 251 # client and server subdirectories have symbolic links to ../libjsig.so
 252 EXPORT_LIST += $(EXPORT_JRE_LIB_ARCH_DIR)/libjsig.$(LIBRARY_SUFFIX)
 253 ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1)
 254   ifeq ($(ZIP_DEBUGINFO_FILES),1)
 255     EXPORT_LIST += $(EXPORT_JRE_LIB_ARCH_DIR)/libjsig.diz
 256   else
 257     EXPORT_LIST += $(EXPORT_JRE_LIB_ARCH_DIR)/libjsig.debuginfo
 258   endif
 259 endif
 260 EXPORT_SERVER_DIR = $(EXPORT_JRE_LIB_ARCH_DIR)/server
 261 EXPORT_CLIENT_DIR = $(EXPORT_JRE_LIB_ARCH_DIR)/client
 262 EXPORT_MINIMAL_DIR = $(EXPORT_JRE_LIB_ARCH_DIR)/minimal
 263 
 264 ifeq ($(findstring true, $(JVM_VARIANT_SERVER) $(JVM_VARIANT_ZERO) $(JVM_VARIANT_ZEROSHARK) $(JVM_VARIANT_CORE)), true)
 265   EXPORT_LIST += $(EXPORT_SERVER_DIR)/Xusage.txt
 266   EXPORT_LIST += $(EXPORT_SERVER_DIR)/libjvm.$(LIBRARY_SUFFIX)
 267   ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1)
 268     ifeq ($(ZIP_DEBUGINFO_FILES),1)
 269       EXPORT_LIST += $(EXPORT_SERVER_DIR)/libjvm.diz
 270     else
 271       EXPORT_LIST += $(EXPORT_SERVER_DIR)/libjvm.debuginfo
 272     endif
 273   endif
 274 endif
 275 
 276 ifeq ($(JVM_VARIANT_CLIENT),true)
 277   EXPORT_LIST += $(EXPORT_CLIENT_DIR)/Xusage.txt
 278   EXPORT_LIST += $(EXPORT_CLIENT_DIR)/libjvm.$(LIBRARY_SUFFIX)
 279   ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1)
 280     ifeq ($(ZIP_DEBUGINFO_FILES),1)
 281       EXPORT_LIST += $(EXPORT_CLIENT_DIR)/libjvm.diz
 282     else
 283       EXPORT_LIST += $(EXPORT_CLIENT_DIR)/libjvm.debuginfo
 284     endif
 285   endif
 286 endif
 287 
 288 ifeq ($(JVM_VARIANT_MINIMAL1),true)
 289   EXPORT_LIST += $(EXPORT_MINIMAL_DIR)/Xusage.txt
 290   EXPORT_LIST += $(EXPORT_MINIMAL_DIR)/libjvm.$(LIBRARY_SUFFIX)
 291 
 292   ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1)
 293     ifeq ($(ZIP_DEBUGINFO_FILES),1)
 294         EXPORT_LIST += $(EXPORT_MINIMAL_DIR)/libjvm.diz
 295     else
 296         EXPORT_LIST += $(EXPORT_MINIMAL_DIR)/libjvm.debuginfo
 297     endif
 298   endif
 299 endif
 300 
 301 # Serviceability Binaries
 302 # No SA Support for PPC, IA64, ARM or zero
 303 ADD_SA_BINARIES/x86   = $(EXPORT_JRE_LIB_ARCH_DIR)/libsaproc.$(LIBRARY_SUFFIX) \
 304                         $(EXPORT_LIB_DIR)/sa-jdi.jar
 305 ADD_SA_BINARIES/sparc = $(EXPORT_JRE_LIB_ARCH_DIR)/libsaproc.$(LIBRARY_SUFFIX) \
 306                         $(EXPORT_LIB_DIR)/sa-jdi.jar
 307 ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1)
 308   ifeq ($(ZIP_DEBUGINFO_FILES),1)
 309     ADD_SA_BINARIES/x86   += $(EXPORT_JRE_LIB_ARCH_DIR)/libsaproc.diz
 310     ADD_SA_BINARIES/sparc += $(EXPORT_JRE_LIB_ARCH_DIR)/libsaproc.diz
 311   else
 312     ADD_SA_BINARIES/x86   += $(EXPORT_JRE_LIB_ARCH_DIR)/libsaproc.debuginfo
 313     ADD_SA_BINARIES/sparc += $(EXPORT_JRE_LIB_ARCH_DIR)/libsaproc.debuginfo
 314   endif
 315 endif
 316 ADD_SA_BINARIES/ppc   =
 317 ADD_SA_BINARIES/ia64  =
 318 ADD_SA_BINARIES/arm   =
 319 ADD_SA_BINARIES/zero  =
 320 
 321 -include $(HS_ALT_MAKE)/linux/makefiles/defs.make
 322 
 323 EXPORT_LIST += $(ADD_SA_BINARIES/$(HS_ARCH))
 324 
 325