1 #
   2 # Copyright (c) 1999, 2008, 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 # Rules to build JVM and related libraries, included from vm.make in the build
  26 # directory.
  27 
  28 # Common build rules.
  29 MAKEFILES_DIR=$(GAMMADIR)/make/$(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 $(GENERATED)/Dependencies
  41 
  42 # read machine-specific adjustments (%%% should do this via buildtree.make?)
  43 ifeq ($(ZERO_BUILD), true)
  44   include $(MAKEFILES_DIR)/zeroshark.make
  45 else
  46   include $(MAKEFILES_DIR)/$(BUILDARCH).make
  47 endif
  48 
  49 # set VPATH so make knows where to look for source files
  50 # Src_Dirs is everything in src/share/vm/*, plus the right os/*/vm and cpu/*/vm
  51 # The incls directory contains generated header file lists for inclusion.
  52 # The adfiles directory contains ad_<arch>.[ch]pp.
  53 # The jvmtifiles directory contains jvmti*.[ch]pp
  54 Src_Dirs_V = $(GENERATED)/adfiles $(GENERATED)/jvmtifiles ${Src_Dirs} $(GENERATED)/incls
  55 VPATH    += $(Src_Dirs_V:%=%:)
  56 
  57 # set INCLUDES for C preprocessor
  58 Src_Dirs_I = $(PRECOMPILED_HEADER_DIR) $(GENERATED)/adfiles $(GENERATED)/jvmtifiles ${Src_Dirs} $(GENERATED)
  59 INCLUDES += $(Src_Dirs_I:%=-I%)
  60 
  61 ifeq (${VERSION}, debug)
  62   SYMFLAG = -g
  63 else
  64   SYMFLAG =
  65 endif
  66 
  67 # HOTSPOT_RELEASE_VERSION and HOTSPOT_BUILD_VERSION are defined 
  68 # in $(GAMMADIR)/make/defs.make
  69 ifeq ($(HOTSPOT_BUILD_VERSION),)
  70   BUILD_VERSION = -DHOTSPOT_RELEASE_VERSION="\"$(HOTSPOT_RELEASE_VERSION)\""
  71 else
  72   BUILD_VERSION = -DHOTSPOT_RELEASE_VERSION="\"$(HOTSPOT_RELEASE_VERSION)-$(HOTSPOT_BUILD_VERSION)\""
  73 endif
  74 
  75 # The following variables are defined in the generated flags.make file.
  76 BUILD_VERSION = -DHOTSPOT_RELEASE_VERSION="\"$(HS_BUILD_VER)\""
  77 JRE_VERSION   = -DJRE_RELEASE_VERSION="\"$(JRE_RELEASE_VER)\""
  78 HS_LIB_ARCH   = -DHOTSPOT_LIB_ARCH=\"$(LIBARCH)\"
  79 BUILD_TARGET  = -DHOTSPOT_BUILD_TARGET="\"$(TARGET)\""
  80 BUILD_USER    = -DHOTSPOT_BUILD_USER="\"$(HOTSPOT_BUILD_USER)\""
  81 VM_DISTRO     = -DHOTSPOT_VM_DISTRO="\"$(HOTSPOT_VM_DISTRO)\""
  82 
  83 CPPFLAGS =           \
  84   ${SYSDEFS}         \
  85   ${INCLUDES}        \
  86   ${BUILD_VERSION}   \
  87   ${BUILD_TARGET}    \
  88   ${BUILD_USER}      \
  89   ${HS_LIB_ARCH}     \
  90   ${JRE_VERSION}     \
  91   ${VM_DISTRO}
  92 
  93 # CFLAGS_WARN holds compiler options to suppress/enable warnings.
  94 CFLAGS += $(CFLAGS_WARN/BYFILE)
  95 
  96 # Do not use C++ exception handling
  97 CFLAGS += $(CFLAGS/NOEX)
  98 
  99 # Extra flags from gnumake's invocation or environment
 100 CFLAGS += $(EXTRA_CFLAGS)
 101 
 102 LIBS += -lm -ldl -lpthread
 103 
 104 # By default, link the *.o into the library, not the executable.
 105 LINK_INTO$(LINK_INTO) = LIBJVM
 106 
 107 JDK_LIBDIR = $(JAVA_HOME)/jre/lib/$(LIBARCH)
 108 
 109 #----------------------------------------------------------------------
 110 # jvm_db & dtrace
 111 include $(MAKEFILES_DIR)/dtrace.make
 112 
 113 #----------------------------------------------------------------------
 114 # JVM
 115 
 116 JVM      = jvm
 117 LIBJVM   = lib$(JVM).so
 118 LIBJVM_G = lib$(JVM)$(G_SUFFIX).so
 119 
 120 JVM_OBJ_FILES = $(Obj_Files)
 121 
 122 vm_version.o: $(filter-out vm_version.o,$(JVM_OBJ_FILES))
 123 
 124 mapfile : $(MAPFILE) vm.def
 125         rm -f $@
 126         awk '{ if ($$0 ~ "INSERT VTABLE SYMBOLS HERE")  \
 127                  { system ("cat vm.def"); }             \
 128                else                                     \
 129                  { print $$0 }                          \
 130              }' > $@ < $(MAPFILE)
 131 
 132 mapfile_reorder : mapfile $(REORDERFILE)
 133         rm -f $@
 134         cat $^ > $@
 135 
 136 vm.def: $(Res_Files) $(Obj_Files)
 137         sh $(GAMMADIR)/make/linux/makefiles/build_vm_def.sh *.o > $@
 138 
 139 ifeq ($(ZERO_LIBARCH), ppc64)
 140   STATIC_CXX = false
 141 else
 142   STATIC_CXX = true
 143 endif
 144 
 145 ifeq ($(LINK_INTO),AOUT)
 146   LIBJVM.o                 =
 147   LIBJVM_MAPFILE           =
 148   LIBS_VM                  = $(LIBS)
 149 else
 150   LIBJVM.o                 = $(JVM_OBJ_FILES)
 151   LIBJVM_MAPFILE$(LDNOMAP) = mapfile_reorder
 152   LFLAGS_VM$(LDNOMAP)      += $(MAPFLAG:FILENAME=$(LIBJVM_MAPFILE))
 153   LFLAGS_VM                += $(SONAMEFLAG:SONAME=$(LIBJVM))
 154 
 155   # JVM is statically linked with libgcc[_s] and libstdc++; this is needed to
 156   # get around library dependency and compatibility issues. Must use gcc not
 157   # g++ to link.
 158   ifeq ($(STATIC_CXX), true)
 159     LFLAGS_VM              += $(STATIC_LIBGCC)
 160     LIBS_VM                += $(STATIC_STDCXX)
 161   else
 162     LIBS_VM                += -lstdc++
 163   endif
 164 
 165   LIBS_VM                  += $(LIBS)
 166 endif
 167 ifeq ($(ZERO_BUILD), true)
 168   LIBS_VM += $(LIBFFI_LIBS)
 169 endif
 170 
 171 LINK_VM = $(LINK_LIB.c)
 172 
 173 # rule for building precompiled header
 174 $(PRECOMPILED_HEADER): $(Precompiled_Files)
 175         $(QUIETLY) echo Generating precompiled header $@
 176         $(QUIETLY) mkdir -p $(PRECOMPILED_HEADER_DIR)/incls
 177         $(QUIETLY) $(COMPILE.CC) -x c++-header -c $(GENERATED)/incls/_precompiled.incl -o $@ $(COMPILE_DONE)
 178 
 179 # making the library:
 180 
 181 ifneq ($(JVM_BASE_ADDR),)
 182 # By default shared library is linked at base address == 0. Modify the
 183 # linker script if JVM prefers a different base location. It can also be
 184 # implemented with 'prelink -r'. But 'prelink' is not (yet) available on
 185 # our build platform (AS-2.1).
 186 LD_SCRIPT = libjvm.so.lds
 187 $(LD_SCRIPT): $(LIBJVM_MAPFILE)
 188         $(QUIETLY) {                                                \
 189           rm -rf $@;                                                \
 190           $(LINK_VM) -Wl,--verbose $(LFLAGS_VM) 2>&1             |  \
 191             sed -e '/^======/,/^======/!d'                          \
 192                 -e '/^======/d'                                     \
 193                 -e 's/0\( + SIZEOF_HEADERS\)/$(JVM_BASE_ADDR)\1/'   \
 194                 > $@;                                               \
 195         }
 196 LD_SCRIPT_FLAG = -Wl,-T,$(LD_SCRIPT)
 197 endif
 198 
 199 # With more recent Redhat releases (or the cutting edge version Fedora), if
 200 # SELinux is configured to be enabled, the runtime linker will fail to apply
 201 # the text relocation to libjvm.so considering that it is built as a non-PIC
 202 # DSO. To workaround that, we run chcon to libjvm.so after it is built. See 
 203 # details in bug 6538311.
 204 $(LIBJVM): $(LIBJVM.o) $(LIBJVM_MAPFILE) $(LD_SCRIPT)
 205         $(QUIETLY) {                                                    \
 206             echo Linking vm...;                                         \
 207             $(LINK_LIB.CC/PRE_HOOK)                                     \
 208             $(LINK_VM) $(LD_SCRIPT_FLAG)                                \
 209                        $(LFLAGS_VM) -o $@ $(LIBJVM.o) $(LIBS_VM);       \
 210             $(LINK_LIB.CC/POST_HOOK)                                    \
 211             rm -f $@.1; ln -s $@ $@.1;                                  \
 212             [ -f $(LIBJVM_G) ] || { ln -s $@ $(LIBJVM_G); ln -s $@.1 $(LIBJVM_G).1; }; \
 213             if [ -x /usr/sbin/selinuxenabled ] ; then                   \
 214               /usr/sbin/selinuxenabled;                                 \
 215               if [ $$? = 0 ] ; then                                     \
 216                 /usr/bin/chcon -t textrel_shlib_t $@;                   \
 217                 if [ $$? != 0 ]; then                                   \
 218                   echo "ERROR: Cannot chcon $@";                        \
 219                 fi                                                      \
 220               fi                                                        \
 221             fi                                                          \
 222         }
 223 
 224 DEST_JVM = $(JDK_LIBDIR)/$(VM_SUBDIR)/$(LIBJVM)
 225 
 226 install_jvm: $(LIBJVM)
 227         @echo "Copying $(LIBJVM) to $(DEST_JVM)"
 228         $(QUIETLY) cp -f $(LIBJVM) $(DEST_JVM) && echo "Done"
 229 
 230 #----------------------------------------------------------------------
 231 # Other files
 232 
 233 # Gamma launcher
 234 include $(MAKEFILES_DIR)/launcher.make
 235 
 236 # Signal interposition library
 237 include $(MAKEFILES_DIR)/jsig.make
 238 
 239 # Serviceability agent
 240 include $(MAKEFILES_DIR)/saproc.make
 241 
 242 #----------------------------------------------------------------------
 243 
 244 build: $(LIBJVM) $(LAUNCHER) $(LIBJSIG) $(LIBJVM_DB) checkAndBuildSA
 245 
 246 install: install_jvm install_jsig install_saproc
 247 
 248 .PHONY: default build install install_jvm