1 #
   2 # Copyright 2005-2008 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_db/dtrace, used by vm.make
  26 
  27 # we build libjvm_dtrace/libjvm_db/dtrace for COMPILER1 and COMPILER2
  28 # but not for CORE configuration
  29 
  30 ifneq ("${TYPE}", "CORE")
  31 ifneq ("${TYPE}", "KERNEL")
  32 
  33 ifdef USE_GCC
  34 
  35 dtraceCheck:
  36         $(QUIETLY) echo "**NOTICE** Dtrace support disabled for gcc builds"
  37 
  38 else
  39 
  40 
  41 JVM_DB = libjvm_db
  42 LIBJVM_DB = libjvm$(G_SUFFIX)_db.so
  43 
  44 JVM_DTRACE = jvm_dtrace
  45 LIBJVM_DTRACE = libjvm$(G_SUFFIX)_dtrace.so
  46 
  47 JVMOFFS = JvmOffsets
  48 JVMOFFS.o = $(JVMOFFS).o
  49 GENOFFS = generate$(JVMOFFS)
  50 
  51 DTRACE_SRCDIR = $(GAMMADIR)/src/os/$(Platform_os_family)/dtrace
  52 DTRACE = dtrace
  53 DTRACE.o = $(DTRACE).o
  54 
  55 # to remove '-g' option which causes link problems
  56 # also '-z nodefs' is used as workaround
  57 GENOFFS_CFLAGS = $(shell echo $(CFLAGS) | sed -e 's/ -g / /g' -e 's/ -g0 / /g';)
  58 
  59 ifdef LP64
  60 DTRACE_OPTS = -64 -D_LP64
  61 endif
  62 
  63 # making libjvm_db
  64 
  65 INCLS = $(GENERATED)/incls
  66 
  67 # Use mapfile with libjvm_db.so
  68 LIBJVM_DB_MAPFILE = $(MAKEFILES_DIR)/mapfile-vers-jvm_db
  69 LFLAGS_JVM_DB += $(MAPFLAG:FILENAME=$(LIBJVM_DB_MAPFILE))
  70 
  71 # Use mapfile with libjvm_dtrace.so
  72 LIBJVM_DTRACE_MAPFILE = $(MAKEFILES_DIR)/mapfile-vers-jvm_dtrace
  73 LFLAGS_JVM_DTRACE += $(MAPFLAG:FILENAME=$(LIBJVM_DTRACE_MAPFILE))
  74 
  75 ifdef USE_GCC
  76 LFLAGS_JVM_DB += -D_REENTRANT $(PICFLAG)
  77 LFLAGS_JVM_DTRACE += -D_REENTRANT $(PICFLAG)
  78 else
  79 LFLAGS_JVM_DB += -mt $(PICFLAG) -xnolib
  80 LFLAGS_JVM_DTRACE += -mt $(PICFLAG) -xnolib
  81 endif
  82 
  83 ISA = $(subst i386,i486,$(shell isainfo -n))
  84 
  85 # Making 64/libjvm_db.so: 64-bit version of libjvm_db.so which handles 32-bit libjvm.so
  86 ifneq ("${ISA}","${BUILDARCH}")
  87 
  88 XLIBJVM_DB = 64/$(LIBJVM_DB)
  89 XLIBJVM_DTRACE = 64/$(LIBJVM_DTRACE)
  90 
  91 $(XLIBJVM_DB): $(DTRACE_SRCDIR)/$(JVM_DB).c $(JVMOFFS).h $(LIBJVM_DB_MAPFILE)
  92         @echo Making $@
  93         $(QUIETLY) mkdir -p 64/ ; \
  94         $(CC) $(SYMFLAG) $(ARCHFLAG/$(ISA)) -D$(TYPE) -I. -I$(GENERATED) \
  95                 $(SHARED_FLAG) $(LFLAGS_JVM_DB) -o $@ $(DTRACE_SRCDIR)/$(JVM_DB).c -lc
  96 $(XLIBJVM_DTRACE): $(DTRACE_SRCDIR)/$(JVM_DTRACE).c $(DTRACE_SRCDIR)/$(JVM_DTRACE).h $(LIBJVM_DTRACE_MAPFILE)
  97         @echo Making $@
  98         $(QUIETLY) mkdir -p 64/ ; \
  99         $(CC) $(SYMFLAG) $(ARCHFLAG/$(ISA)) -D$(TYPE) -I. \
 100                 $(SHARED_FLAG) $(LFLAGS_JVM_DTRACE) -o $@ $(DTRACE_SRCDIR)/$(JVM_DTRACE).c -lc -lthread -ldoor
 101 endif # ifneq ("${ISA}","${BUILDARCH}")
 102 
 103 ifdef USE_GCC
 104 LFLAGS_GENOFFS += -D_REENTRANT
 105 else
 106 LFLAGS_GENOFFS += -mt -xnolib -norunpath
 107 endif
 108 
 109 lib$(GENOFFS).so: $(DTRACE_SRCDIR)/$(GENOFFS).cpp $(DTRACE_SRCDIR)/$(GENOFFS).h \
 110                   $(INCLS)/_vmStructs.cpp.incl $(LIBJVM.o)
 111         $(QUIETLY) $(CCC) $(CPPFLAGS) $(GENOFFS_CFLAGS) $(SHARED_FLAG) $(PICFLAG) \
 112                  $(LFLAGS_GENOFFS) -o $@ $(DTRACE_SRCDIR)/$(GENOFFS).cpp -lc
 113 
 114 $(GENOFFS): $(DTRACE_SRCDIR)/$(GENOFFS)Main.c lib$(GENOFFS).so
 115         $(QUIETLY) $(LINK.CC) -z nodefs -o $@ $(DTRACE_SRCDIR)/$(GENOFFS)Main.c \
 116                 ./lib$(GENOFFS).so
 117 
 118 # $@.tmp is created first. It's to avoid empty $(JVMOFFS).h produced in error case.
 119 $(JVMOFFS).h: $(GENOFFS)
 120         $(QUIETLY) LD_LIBRARY_PATH=. ./$(GENOFFS) -header > $@.tmp ; \
 121         if [ `diff $@.tmp $@ > /dev/null 2>&1; echo $$?` -ne 0 ] ; \
 122         then rm -f $@; mv $@.tmp $@; echo Updated $@ ; \
 123         else rm -f $@.tmp; \
 124         fi
 125 
 126 $(JVMOFFS)Index.h: $(GENOFFS)
 127         $(QUIETLY) LD_LIBRARY_PATH=. ./$(GENOFFS) -index > $@.tmp ; \
 128         if [ `diff $@.tmp $@ > /dev/null 2>&1; echo $$?` -ne 0 ] ; \
 129         then rm -f $@; mv $@.tmp $@; echo Updated $@ ; \
 130         else rm -f $@.tmp; \
 131         fi
 132 
 133 $(JVMOFFS).cpp: $(GENOFFS) $(JVMOFFS).h $(JVMOFFS)Index.h
 134         $(QUIETLY) LD_LIBRARY_PATH=. ./$(GENOFFS) -table > $@.tmp ; \
 135         if [ `diff $@.tmp $@ > /dev/null 2>&1; echo $$?` -ne 0 ] ; \
 136         then rm -f $@; mv $@.tmp $@; echo Updated $@ ; \
 137         else rm -f $@.tmp; \
 138         fi
 139 
 140 $(JVMOFFS.o): $(JVMOFFS).h $(JVMOFFS).cpp 
 141         $(QUIETLY) $(CCC) -c -I. -o $@ $(ARCHFLAG) -D$(TYPE) $(JVMOFFS).cpp
 142 
 143 $(LIBJVM_DB): $(DTRACE_SRCDIR)/$(JVM_DB).c $(JVMOFFS.o) $(XLIBJVM_DB) $(LIBJVM_DB_MAPFILE)
 144         @echo Making $@
 145         $(QUIETLY) $(CC) $(SYMFLAG) $(ARCHFLAG) -D$(TYPE) -I. -I$(GENERATED) \
 146                 $(SHARED_FLAG) $(LFLAGS_JVM_DB) -o $@ $(DTRACE_SRCDIR)/$(JVM_DB).c -lc
 147 
 148 $(LIBJVM_DTRACE): $(DTRACE_SRCDIR)/$(JVM_DTRACE).c $(XLIBJVM_DTRACE) $(DTRACE_SRCDIR)/$(JVM_DTRACE).h $(LIBJVM_DTRACE_MAPFILE)
 149         @echo Making $@
 150         $(QUIETLY) $(CC) $(SYMFLAG) $(ARCHFLAG) -D$(TYPE) -I.  \
 151                 $(SHARED_FLAG) $(LFLAGS_JVM_DTRACE) -o $@ $(DTRACE_SRCDIR)/$(JVM_DTRACE).c -lc -lthread -ldoor
 152 
 153 $(DTRACE).d: $(DTRACE_SRCDIR)/hotspot.d $(DTRACE_SRCDIR)/hotspot_jni.d \
 154              $(DTRACE_SRCDIR)/hs_private.d $(DTRACE_SRCDIR)/jhelper.d
 155         $(QUIETLY) cat $^ > $@
 156 
 157 # Dtrace is available, so we build $(DTRACE.o)  
 158 $(DTRACE.o): $(DTRACE).d $(JVMOFFS).h $(JVMOFFS)Index.h $(DTraced_Files)
 159         @echo Compiling $(DTRACE).d
 160 
 161         $(QUIETLY) $(DTRACE_PROG) $(DTRACE_OPTS) -C -I. -G -o $@ -s $(DTRACE).d \
 162      $(DTraced_Files) ||\
 163   STATUS=$$?;\
 164         if [ x"$$STATUS" = x"1" -a \
 165        x`uname -r` = x"5.10" -a \
 166        x`uname -p` = x"sparc" ]; then\
 167     echo "*****************************************************************";\
 168     echo "* If you are building server compiler, and the error message is ";\
 169     echo "* \"incorrect ELF machine type...\", you have run into solaris bug ";\
 170     echo "* 6213962, \"dtrace -G doesn't work on sparcv8+ object files\".";\
 171     echo "* Either patch/upgrade your system (>= S10u1_15), or set the ";\
 172     echo "* environment variable HOTSPOT_DISABLE_DTRACE_PROBES to disable ";\
 173     echo "* dtrace probes for this build.";\
 174     echo "*****************************************************************";\
 175   fi;\
 176   exit $$STATUS
 177   # Since some DTraced_Files are in LIBJVM.o and they are touched by this
 178   # command, and libgenerateJvmOffsets.so depends on LIBJVM.o, 'make' will
 179   # think it needs to rebuild libgenerateJvmOffsets.so and thus JvmOffsets*
 180   # files, but it doesn't, so we touch the necessary files to prevent later
 181   # recompilation. Note: we only touch the necessary files if they already
 182   # exist in order to close a race where an empty file can be created
 183   # before the real build rule is executed.
 184   # But, we can't touch the *.h files:  This rule depends
 185   # on them, and that would cause an infinite cycle of rebuilding.
 186   # Neither the *.h or *.ccp files need to be touched, since they have
 187   # rules which do not update them when the generator file has not
 188   # changed their contents.
 189         $(QUIETLY) if [ -f lib$(GENOFFS).so ]; then touch lib$(GENOFFS).so; fi
 190         $(QUIETLY) if [ -f $(GENOFFS) ]; then touch $(GENOFFS); fi
 191         $(QUIETLY) if [ -f $(JVMOFFS.o) ]; then touch $(JVMOFFS.o); fi
 192 
 193 .PHONY: dtraceCheck
 194 
 195 SYSTEM_DTRACE_H = /usr/include/dtrace.h
 196 SYSTEM_DTRACE_PROG = /usr/sbin/dtrace
 197 PATCH_DTRACE_PROG = /opt/SUNWdtrd/sbin/dtrace
 198 systemDtraceFound := $(wildcard ${SYSTEM_DTRACE_PROG})
 199 patchDtraceFound := $(wildcard ${PATCH_DTRACE_PROG})
 200 systemDtraceHdrFound := $(wildcard $(SYSTEM_DTRACE_H))
 201 
 202 ifneq ("$(systemDtraceHdrFound)", "") 
 203 CFLAGS += -DHAVE_DTRACE_H
 204 endif
 205 
 206 ifneq ("$(patchDtraceFound)", "")
 207 DTRACE_PROG=$(PATCH_DTRACE_PROG)
 208 DTRACE_INCL=-I/opt/SUNWdtrd/include
 209 else
 210 ifneq ("$(systemDtraceFound)", "")
 211 DTRACE_PROG=$(SYSTEM_DTRACE_PROG)
 212 else
 213 
 214 endif # ifneq ("$(systemDtraceFound)", "")
 215 endif # ifneq ("$(patchDtraceFound)", "")
 216 
 217 ifneq ("${DTRACE_PROG}", "")
 218 ifeq ("${HOTSPOT_DISABLE_DTRACE_PROBES}", "")
 219 
 220 DTRACE_OBJS = $(DTRACE.o) $(JVMOFFS.o)
 221 CFLAGS += $(DTRACE_INCL) -DDTRACE_ENABLED
 222 MAPFILE_DTRACE_OPT = $(MAPFILE_DTRACE)
 223 
 224 dtraceCheck:
 225 
 226 else # manually disabled
 227 
 228 dtraceCheck:
 229         $(QUIETLY) echo "**NOTICE** Dtrace support disabled via environment variable"
 230 
 231 endif # ifeq ("${HOTSPOT_DISABLE_DTRACE_PROBES}", "")
 232 
 233 else # No dtrace program found
 234 
 235 dtraceCheck:
 236         $(QUIETLY) echo "**NOTICE** Dtrace support disabled: not supported by system"
 237 
 238 endif # ifneq ("${dtraceFound}", "")
 239 
 240 endif # ifdef USE_GCC
 241 
 242 else # KERNEL build
 243 
 244 dtraceCheck:
 245         $(QUIETLY) echo "**NOTICE** Dtrace support disabled for KERNEL builds"
 246 
 247 endif # ifneq ("${TYPE}", "KERNEL")
 248 
 249 else # CORE build
 250 
 251 dtraceCheck:
 252         $(QUIETLY) echo "**NOTICE** Dtrace support disabled for CORE builds"
 253 
 254 endif # ifneq ("${TYPE}", "CORE")