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 ($(ARCH), ia64)
  64   ARCH_DATA_MODEL = 64
  65   MAKE_ARGS      += LP64=1
  66   PLATFORM        = linux-ia64
  67   VM_PLATFORM     = linux_ia64
  68   HS_ARCH         = ia64
  69 endif
  70 
  71 # sparc
  72 ifneq (,$(findstring $(ARCH), sparc))
  73   ifeq ($(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 # i686/i586 and amd64/x86_64
  87 ifneq (,$(findstring $(ARCH), amd64 x86_64 i686 i586))
  88   ifeq ($(ARCH_DATA_MODEL), 64)
  89     ARCH_DATA_MODEL = 64
  90     MAKE_ARGS       += LP64=1
  91     PLATFORM        = linux-amd64
  92     VM_PLATFORM     = linux_amd64
  93   else
  94     ARCH_DATA_MODEL = 32
  95     PLATFORM        = linux-i586
  96     VM_PLATFORM     = linux_i486
  97   endif
  98 
  99   HS_ARCH           = x86
 100 endif
 101 
 102 # ARM
 103 ifeq ($(ARCH), arm)
 104   ARCH_DATA_MODEL  = 32
 105   PLATFORM         = linux-arm
 106   VM_PLATFORM      = linux_arm
 107   HS_ARCH          = arm
 108 endif
 109 
 110 # PPC
 111 # Notice: after 8046471 ARCH will be 'ppc' for top-level ppc64 builds but
 112 # 'ppc64' for HotSpot-only ppc64 builds. Need to detect both variants here!
 113 ifneq (,$(findstring $(ARCH), ppc ppc64))
 114   ifeq ($(ARCH_DATA_MODEL), 64)
 115     MAKE_ARGS        += LP64=1
 116     PLATFORM         = linux-ppc64
 117     VM_PLATFORM      = linux_ppc64
 118   else
 119     ARCH_DATA_MODEL  = 32
 120     PLATFORM         = linux-ppc
 121     VM_PLATFORM      = linux_ppc
 122   endif
 123 
 124   HS_ARCH = ppc
 125 endif
 126 
 127 # On 32 bit linux we build server and client, on 64 bit just server.
 128 ifeq ($(JVM_VARIANTS),)
 129   ifeq ($(ARCH_DATA_MODEL), 32)
 130     JVM_VARIANTS:=client,server
 131     JVM_VARIANT_CLIENT:=true
 132     JVM_VARIANT_SERVER:=true
 133   else
 134     JVM_VARIANTS:=server
 135     JVM_VARIANT_SERVER:=true
 136   endif
 137 endif
 138 
 139 # determine if HotSpot is being built in JDK6 or earlier version
 140 JDK6_OR_EARLIER=0
 141 ifeq "$(shell expr \( '$(JDK_MAJOR_VERSION)' != '' \& '$(JDK_MINOR_VERSION)' != '' \& '$(JDK_MICRO_VERSION)' != '' \))" "1"
 142   # if the longer variable names (newer build style) are set, then check those
 143   ifeq "$(shell expr \( $(JDK_MAJOR_VERSION) = 1 \& $(JDK_MINOR_VERSION) \< 7 \))" "1"
 144     JDK6_OR_EARLIER=1
 145   endif
 146 else
 147   # the longer variables aren't set so check the shorter variable names
 148   ifeq "$(shell expr \( '$(JDK_MAJOR_VER)' = 1 \& '$(JDK_MINOR_VER)' \< 7 \))" "1"
 149     JDK6_OR_EARLIER=1
 150   endif
 151 endif
 152 
 153 ifeq ($(JDK6_OR_EARLIER),0)
 154   # Full Debug Symbols is supported on JDK7 or newer.
 155   # The Full Debug Symbols (FDS) default for BUILD_FLAVOR == product
 156   # builds is enabled with debug info files ZIP'ed to save space. For
 157   # BUILD_FLAVOR != product builds, FDS is always enabled, after all a
 158   # debug build without debug info isn't very useful.
 159   # The ZIP_DEBUGINFO_FILES option only has meaning when FDS is enabled.
 160   #
 161   # If you invoke a build with FULL_DEBUG_SYMBOLS=0, then FDS will be
 162   # disabled for a BUILD_FLAVOR == product build.
 163   #
 164   # Note: Use of a different variable name for the FDS override option
 165   # versus the FDS enabled check is intentional (FULL_DEBUG_SYMBOLS
 166   # versus ENABLE_FULL_DEBUG_SYMBOLS). For auto build systems that pass
 167   # in options via environment variables, use of distinct variables
 168   # prevents strange behaviours. For example, in a BUILD_FLAVOR !=
 169   # product build, the FULL_DEBUG_SYMBOLS environment variable will be
 170   # 0, but the ENABLE_FULL_DEBUG_SYMBOLS make variable will be 1. If
 171   # the same variable name is used, then different values can be picked
 172   # up by different parts of the build. Just to be clear, we only need
 173   # two variable names because the incoming option value can be
 174   # overridden in some situations, e.g., a BUILD_FLAVOR != product
 175   # build.
 176 
 177   # Due to the multiple sub-make processes that occur this logic gets
 178   # executed multiple times. We reduce the noise by at least checking that
 179   # BUILD_FLAVOR has been set.
 180   ifneq ($(BUILD_FLAVOR),)
 181     ifeq ($(BUILD_FLAVOR), product)
 182       FULL_DEBUG_SYMBOLS ?= 1
 183       ENABLE_FULL_DEBUG_SYMBOLS = $(FULL_DEBUG_SYMBOLS)
 184     else
 185       # debug variants always get Full Debug Symbols (if available)
 186       ENABLE_FULL_DEBUG_SYMBOLS = 1
 187     endif
 188     _JUNK_ := $(shell \
 189       echo >&2 "INFO: ENABLE_FULL_DEBUG_SYMBOLS=$(ENABLE_FULL_DEBUG_SYMBOLS)")
 190     # since objcopy is optional, we set ZIP_DEBUGINFO_FILES later
 191 
 192     ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1)
 193       # Default OBJCOPY comes from GNU Binutils on Linux
 194       ifeq ($(CROSS_COMPILE_ARCH),)
 195         DEF_OBJCOPY=/usr/bin/objcopy
 196       else
 197         # Assume objcopy is part of the cross-compilation toolset
 198         ifneq ($(ALT_COMPILER_PATH),)
 199           DEF_OBJCOPY=$(ALT_COMPILER_PATH)/objcopy
 200         endif
 201       endif
 202       OBJCOPY=$(shell test -x $(DEF_OBJCOPY) && echo $(DEF_OBJCOPY))
 203       ifneq ($(ALT_OBJCOPY),)
 204         _JUNK_ := $(shell echo >&2 "INFO: ALT_OBJCOPY=$(ALT_OBJCOPY)")
 205         OBJCOPY=$(shell test -x $(ALT_OBJCOPY) && echo $(ALT_OBJCOPY))
 206       endif
 207 
 208       ifeq ($(OBJCOPY),)
 209         _JUNK_ := $(shell \
 210           echo >&2 "INFO: no objcopy cmd found so cannot create .debuginfo files. You may need to set ALT_OBJCOPY.")
 211         ENABLE_FULL_DEBUG_SYMBOLS=0
 212         _JUNK_ := $(shell \
 213           echo >&2 "INFO: ENABLE_FULL_DEBUG_SYMBOLS=$(ENABLE_FULL_DEBUG_SYMBOLS)")
 214       else
 215         _JUNK_ := $(shell \
 216           echo >&2 "INFO: $(OBJCOPY) cmd found so will create .debuginfo files.")
 217 
 218         # Library stripping policies for .debuginfo configs:
 219         #   all_strip - strips everything from the library
 220         #   min_strip - strips most stuff from the library; leaves minimum symbols
 221         #   no_strip  - does not strip the library at all
 222         #
 223         # Oracle security policy requires "all_strip". A waiver was granted on
 224         # 2011.09.01 that permits using "min_strip" in the Java JDK and Java JRE.
 225         #
 226         # Currently, STRIP_POLICY is only used when Full Debug Symbols is enabled.
 227         #
 228         STRIP_POLICY ?= min_strip
 229 
 230         _JUNK_ := $(shell \
 231           echo >&2 "INFO: STRIP_POLICY=$(STRIP_POLICY)")
 232 
 233         ZIP_DEBUGINFO_FILES ?= 1
 234 
 235         _JUNK_ := $(shell \
 236           echo >&2 "INFO: ZIP_DEBUGINFO_FILES=$(ZIP_DEBUGINFO_FILES)")
 237       endif
 238     endif # ENABLE_FULL_DEBUG_SYMBOLS=1
 239   endif # BUILD_FLAVOR
 240 endif # JDK_6_OR_EARLIER
 241 
 242 JDK_INCLUDE_SUBDIR=linux
 243 
 244 # Library suffix
 245 LIBRARY_SUFFIX=so
 246 
 247 EXPORT_LIST += $(EXPORT_DOCS_DIR)/platform/jvmti/jvmti.html
 248 
 249 # client and server subdirectories have symbolic links to ../libjsig.so
 250 EXPORT_LIST += $(EXPORT_JRE_LIB_ARCH_DIR)/libjsig.$(LIBRARY_SUFFIX)
 251 ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1)
 252   ifeq ($(ZIP_DEBUGINFO_FILES),1)
 253     EXPORT_LIST += $(EXPORT_JRE_LIB_ARCH_DIR)/libjsig.diz
 254   else
 255     EXPORT_LIST += $(EXPORT_JRE_LIB_ARCH_DIR)/libjsig.debuginfo
 256   endif
 257 endif
 258 EXPORT_SERVER_DIR = $(EXPORT_JRE_LIB_ARCH_DIR)/server
 259 EXPORT_CLIENT_DIR = $(EXPORT_JRE_LIB_ARCH_DIR)/client
 260 EXPORT_MINIMAL_DIR = $(EXPORT_JRE_LIB_ARCH_DIR)/minimal
 261 
 262 ifeq ($(findstring true, $(JVM_VARIANT_SERVER) $(JVM_VARIANT_ZERO) $(JVM_VARIANT_ZEROSHARK) $(JVM_VARIANT_CORE)), true)
 263   EXPORT_LIST += $(EXPORT_SERVER_DIR)/Xusage.txt
 264   EXPORT_LIST += $(EXPORT_SERVER_DIR)/libjvm.$(LIBRARY_SUFFIX)
 265   ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1)
 266     ifeq ($(ZIP_DEBUGINFO_FILES),1)
 267       EXPORT_LIST += $(EXPORT_SERVER_DIR)/libjvm.diz
 268     else
 269       EXPORT_LIST += $(EXPORT_SERVER_DIR)/libjvm.debuginfo
 270     endif
 271   endif
 272 endif
 273 
 274 ifeq ($(JVM_VARIANT_CLIENT),true)
 275   EXPORT_LIST += $(EXPORT_CLIENT_DIR)/Xusage.txt
 276   EXPORT_LIST += $(EXPORT_CLIENT_DIR)/libjvm.$(LIBRARY_SUFFIX)
 277   ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1)
 278     ifeq ($(ZIP_DEBUGINFO_FILES),1)
 279       EXPORT_LIST += $(EXPORT_CLIENT_DIR)/libjvm.diz
 280     else
 281       EXPORT_LIST += $(EXPORT_CLIENT_DIR)/libjvm.debuginfo
 282     endif
 283   endif
 284 endif
 285 
 286 ifeq ($(JVM_VARIANT_MINIMAL1),true)
 287   EXPORT_LIST += $(EXPORT_MINIMAL_DIR)/Xusage.txt
 288   EXPORT_LIST += $(EXPORT_MINIMAL_DIR)/libjvm.$(LIBRARY_SUFFIX)
 289 
 290   ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1)
 291     ifeq ($(ZIP_DEBUGINFO_FILES),1)
 292         EXPORT_LIST += $(EXPORT_MINIMAL_DIR)/libjvm.diz
 293     else
 294         EXPORT_LIST += $(EXPORT_MINIMAL_DIR)/libjvm.debuginfo
 295     endif
 296   endif
 297 endif
 298 
 299 # Serviceability Binaries
 300 # No SA Support for PPC, IA64, ARM or zero
 301 ADD_SA_BINARIES/x86   = $(EXPORT_JRE_LIB_ARCH_DIR)/libsaproc.$(LIBRARY_SUFFIX) \
 302                         $(EXPORT_LIB_DIR)/sa-jdi.jar
 303 ADD_SA_BINARIES/sparc = $(EXPORT_JRE_LIB_ARCH_DIR)/libsaproc.$(LIBRARY_SUFFIX) \
 304                         $(EXPORT_LIB_DIR)/sa-jdi.jar
 305 ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1)
 306   ifeq ($(ZIP_DEBUGINFO_FILES),1)
 307     ADD_SA_BINARIES/x86   += $(EXPORT_JRE_LIB_ARCH_DIR)/libsaproc.diz
 308     ADD_SA_BINARIES/sparc += $(EXPORT_JRE_LIB_ARCH_DIR)/libsaproc.diz
 309   else
 310     ADD_SA_BINARIES/x86   += $(EXPORT_JRE_LIB_ARCH_DIR)/libsaproc.debuginfo
 311     ADD_SA_BINARIES/sparc += $(EXPORT_JRE_LIB_ARCH_DIR)/libsaproc.debuginfo
 312   endif
 313 endif
 314 ADD_SA_BINARIES/ppc   =
 315 ADD_SA_BINARIES/ia64  =
 316 ADD_SA_BINARIES/arm   =
 317 ADD_SA_BINARIES/zero  =
 318 
 319 -include $(HS_ALT_MAKE)/linux/makefiles/defs.make
 320 
 321 EXPORT_LIST += $(ADD_SA_BINARIES/$(HS_ARCH))
 322 
 323