1 #
   2 # Copyright 1999-2007 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  20 # CA 95054 USA or visit www.sun.com if you need additional information or
  21 # have any questions.
  22 #  
  23 #
  24 
  25 # Rules to build JVM and related libraries, included from vm.make in the build
  26 # directory.
  27 
  28 # Common build rules.
  29 MAKEFILES_DIR=$(GAMMADIR)/build/$(Platform_os_family)/makefiles
  30 include $(MAKEFILES_DIR)/rules.make
  31 
  32 default: build
  33 
  34 #----------------------------------------------------------------------
  35 # Defs
  36 
  37 GENERATED     = ../generated
  38 
  39 # read a generated file defining the set of .o's and the .o .h dependencies
  40 include $(GENERATED)/Dependencies
  41 
  42 # read machine-specific adjustments (%%% should do this via buildtree.make?)
  43 include $(MAKEFILES_DIR)/$(BUILDARCH).make
  44 
  45 # set VPATH so make knows where to look for source files
  46 # Src_Dirs is everything in src/share/vm/*, plus the right os/*/vm and cpu/*/vm
  47 # The incls directory contains generated header file lists for inclusion.
  48 # The adfiles directory contains ad_<arch>.[ch]pp.
  49 # The jvmtifiles directory contains jvmti*.[ch]pp
  50 Src_Dirs_V = $(GENERATED)/adfiles $(GENERATED)/jvmtifiles ${Src_Dirs} $(GENERATED)/incls
  51 VPATH    += $(Src_Dirs_V:%=%:)
  52 
  53 # set INCLUDES for C preprocessor
  54 Src_Dirs_I = $(PRECOMPILED_HEADER_DIR) $(GENERATED)/adfiles $(GENERATED)/jvmtifiles ${Src_Dirs} $(GENERATED)
  55 INCLUDES += $(Src_Dirs_I:%=-I%)
  56 
  57 ifeq (${VERSION}, debug)
  58   SYMFLAG = -g
  59 else
  60   SYMFLAG =
  61 endif
  62 
  63 # HOTSPOT_RELEASE_VERSION and HOTSPOT_BUILD_VERSION are defined 
  64 # in $(GAMMADIR)/make/defs.make
  65 ifeq ($(HOTSPOT_BUILD_VERSION),)
  66   BUILD_VERSION = -DHOTSPOT_RELEASE_VERSION="\"$(HOTSPOT_RELEASE_VERSION)\""
  67 else
  68   BUILD_VERSION = -DHOTSPOT_RELEASE_VERSION="\"$(HOTSPOT_RELEASE_VERSION)-$(HOTSPOT_BUILD_VERSION)\""
  69 endif
  70 
  71 # The following variables are defined in the generated flags.make file.
  72 BUILD_VERSION = -DHOTSPOT_RELEASE_VERSION="\"$(HS_BUILD_VER)\""
  73 JRE_VERSION   = -DJRE_RELEASE_VERSION="\"$(JRE_RELEASE_VER)\""
  74 BUILD_TARGET  = -DHOTSPOT_BUILD_TARGET="\"$(TARGET)\""
  75 BUILD_USER    = -DHOTSPOT_BUILD_USER="\"$(HOTSPOT_BUILD_USER)\""
  76 VM_DISTRO     = -DHOTSPOT_VM_DISTRO="\"$(HOTSPOT_VM_DISTRO)\""
  77 
  78 CPPFLAGS =           \
  79   ${SYSDEFS}         \
  80   ${INCLUDES}        \
  81   ${BUILD_VERSION}   \
  82   ${BUILD_TARGET}    \
  83   ${BUILD_USER}      \
  84   ${JRE_VERSION}     \
  85   ${VM_DISTRO}
  86 
  87 # CFLAGS_WARN holds compiler options to suppress/enable warnings.
  88 CFLAGS += $(CFLAGS_WARN/BYFILE)
  89 
  90 # Do not use C++ exception handling
  91 CFLAGS += $(CFLAGS/NOEX)
  92 
  93 # Extra flags from gnumake's invocation or environment
  94 CFLAGS += $(EXTRA_CFLAGS)
  95 
  96 LIBS += -lm -ldl -lpthread
  97 
  98 # By default, link the *.o into the library, not the executable.
  99 LINK_INTO$(LINK_INTO) = LIBJVM
 100 
 101 JDK_LIBDIR = $(JAVA_HOME)/jre/lib/$(LIBARCH)
 102 
 103 #----------------------------------------------------------------------
 104 # jvm_db & dtrace
 105 include $(MAKEFILES_DIR)/dtrace.make
 106 
 107 #----------------------------------------------------------------------
 108 # JVM
 109 
 110 JVM    = jvm$(G_SUFFIX)
 111 LIBJVM = lib$(JVM).so
 112 
 113 JVM_OBJ_FILES = $(Obj_Files)
 114 
 115 vm_version.o: $(filter-out vm_version.o,$(JVM_OBJ_FILES))
 116 
 117 mapfile : $(MAPFILE)
 118         rm -f $@
 119         cat $^ > $@
 120 
 121 mapfile_reorder : mapfile $(REORDERFILE)
 122         rm -f $@
 123         cat $^ > $@
 124 
 125 STATIC_CXX = true
 126 
 127 ifeq ($(LINK_INTO),AOUT)
 128   LIBJVM.o                 =
 129   LIBJVM_MAPFILE           =
 130   LIBS_VM                  = $(LIBS)
 131 else
 132   LIBJVM.o                 = $(JVM_OBJ_FILES)
 133   LIBJVM_MAPFILE$(LDNOMAP) = mapfile_reorder
 134   LFLAGS_VM$(LDNOMAP)      += $(MAPFLAG:FILENAME=$(LIBJVM_MAPFILE))
 135   LFLAGS_VM                += $(SONAMEFLAG:SONAME=$(LIBJVM))
 136 
 137   # JVM is statically linked with libgcc[_s] and libstdc++; this is needed to
 138   # get around library dependency and compatibility issues. Must use gcc not
 139   # g++ to link.
 140   ifeq ($(STATIC_CXX), true)
 141     LFLAGS_VM              += $(STATIC_LIBGCC)
 142     LIBS_VM                += $(STATIC_STDCXX)
 143   else
 144     LIBS_VM                += -lstdc++
 145   endif
 146 
 147   LIBS_VM                  += $(LIBS)
 148 endif
 149 
 150 LINK_VM = $(LINK_LIB.c)
 151 
 152 # rule for building precompiled header
 153 $(PRECOMPILED_HEADER): $(Precompiled_Files)
 154         $(QUIETLY) echo Generating precompiled header $@
 155         $(QUIETLY) mkdir -p $(PRECOMPILED_HEADER_DIR)/incls
 156         $(QUIETLY) $(COMPILE.CC) -x c++-header -c $(GENERATED)/incls/_precompiled.incl -o $@ $(COMPILE_DONE)
 157 
 158 # making the library:
 159 
 160 ifneq ($(JVM_BASE_ADDR),)
 161 # By default shared library is linked at base address == 0. Modify the
 162 # linker script if JVM prefers a different base location. It can also be
 163 # implemented with 'prelink -r'. But 'prelink' is not (yet) available on
 164 # our build platform (AS-2.1).
 165 LD_SCRIPT = libjvm.so.lds
 166 $(LD_SCRIPT): $(LIBJVM_MAPFILE)
 167         $(QUIETLY) {                                                \
 168           rm -rf $@;                                                \
 169           $(LINK_VM) -Wl,--verbose $(LFLAGS_VM) 2>&1             |  \
 170             sed -e '/^======/,/^======/!d'                          \
 171                 -e '/^======/d'                                     \
 172                 -e 's/0\( + SIZEOF_HEADERS\)/$(JVM_BASE_ADDR)\1/'   \
 173                 > $@;                                               \
 174         }
 175 LD_SCRIPT_FLAG = -Wl,-T,$(LD_SCRIPT)
 176 endif
 177 
 178 # With more recent Redhat releases (or the cutting edge version Fedora), if
 179 # SELinux is configured to be enabled, the runtime linker will fail to apply
 180 # the text relocation to libjvm.so considering that it is built as a non-PIC
 181 # DSO. To workaround that, we run chcon to libjvm.so after it is built. See 
 182 # details in bug 6538311.
 183 $(LIBJVM): $(LIBJVM.o) $(LIBJVM_MAPFILE) $(LD_SCRIPT)
 184         $(QUIETLY) {                                                    \
 185             echo Linking vm...;                                         \
 186             $(LINK_LIB.CC/PRE_HOOK)                                     \
 187             $(LINK_VM) $(LD_SCRIPT_FLAG)                                \
 188                        $(LFLAGS_VM) -o $@ $(LIBJVM.o) $(LIBS_VM);       \
 189             $(LINK_LIB.CC/POST_HOOK)                                    \
 190             rm -f $@.1; ln -s $@ $@.1;                                  \
 191             if [ -x /usr/sbin/selinuxenabled ] ; then                   \
 192               /usr/sbin/selinuxenabled;                                 \
 193               if [ $$? = 0 ] ; then                                     \
 194                 /usr/bin/chcon -t textrel_shlib_t $@;                   \
 195                 if [ $$? != 0 ]; then                                   \
 196                   echo "ERROR: Cannot chcon $@"; exit 1;                \
 197                 fi                                                      \
 198               fi                                                        \
 199             fi                                                          \
 200         }
 201 
 202 DEST_JVM = $(JDK_LIBDIR)/$(VM_SUBDIR)/$(LIBJVM)
 203 
 204 install_jvm: $(LIBJVM)
 205         @echo "Copying $(LIBJVM) to $(DEST_JVM)"
 206         $(QUIETLY) cp -f $(LIBJVM) $(DEST_JVM) && echo "Done"
 207 
 208 #----------------------------------------------------------------------
 209 # Other files
 210 
 211 # Gamma launcher
 212 include $(MAKEFILES_DIR)/launcher.make
 213 
 214 # Signal interposition library
 215 include $(MAKEFILES_DIR)/jsig.make
 216 
 217 # Serviceability agent
 218 include $(MAKEFILES_DIR)/saproc.make
 219 
 220 #----------------------------------------------------------------------
 221 
 222 build: $(LIBJVM) $(LAUNCHER) $(LIBJSIG) $(LIBJVM_DB) checkAndBuildSA
 223 
 224 install: install_jvm install_jsig install_saproc
 225 
 226 .PHONY: default build install install_jvm