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make/hotspot/lib/JvmDtraceObjects.gmk

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   7 # published by the Free Software Foundation.  Oracle designates this
   8 # particular file as subject to the "Classpath" exception as provided
   9 # by Oracle in the LICENSE file that accompanied this code.
  10 #
  11 # This code is distributed in the hope that it will be useful, but WITHOUT
  12 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14 # version 2 for more details (a copy is included in the LICENSE file that
  15 # accompanied this code).
  16 #
  17 # You should have received a copy of the GNU General Public License version
  18 # 2 along with this work; if not, write to the Free Software Foundation,
  19 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20 #
  21 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22 # or visit www.oracle.com if you need additional information or have any
  23 # questions.
  24 #
  25 
  26 ifeq ($(call check-jvm-feature, dtrace), true)
  27   ifeq ($(OPENJDK_TARGET_OS), solaris)
  28 
  29     ############################################################################
  30     # Integrate with libjvm. Here we generate two object files which are
  31     # linked with libjvm.so. This step is complicated from a dependency
  32     # perspective. We add these two files to the linking of libjvm using
  33     # EXTRA_OBJECT_FILES, but they need to be created outside the call to
  34     # SetupNativeCompilation. Also, one of the files is dependent on compiled
  35     # object files from the libjvm compilation, so this generation must happen
  36     # as a part of the libjvm compilation.
  37 
  38     DTRACE_OBJ := $(JVM_OUTPUTDIR)/objs/dtrace.o
  39     DTRACE_JHELPER_OBJ := $(JVM_OUTPUTDIR)/objs/dtrace_jhelper.o
  40 
  41     DTRACE_EXTRA_OBJECT_FILES := $(DTRACE_OBJ) $(DTRACE_JHELPER_OBJ)
  42 
  43     ############################################################################
  44     # Generate DTRACE_OBJ which is linked with libjvm.so. It depends on a set of
  45     # object files from the compilation.
  46 
  47     # Concatenate all *.d files into a single file


 114     # Unfortunately dtrace generates incorrect types for some symbols in
 115     # dtrace_jhelper.o, resulting in "warning: symbol X has differing types"
 116     # See JDK-6890703 for details.
 117     # We work around this by fixing the types for these symbols using elfedit,
 118     # after dtrace has generated the .o file.
 119     GetElfeditCommands = \
 120       $(foreach symbol, \
 121           $(shell $(GREP) ^extern $(JHELPER_DTRACE_SRC) | $(AWK) '{ gsub(";","") ; print $$3 }'), \
 122           -e 'sym:st_type $(symbol) 1')
 123 
 124     # Make sure we run our selected compiler for preprocessing instead of letting
 125     # the dtrace tool pick it on it's own.
 126     $(DTRACE_JHELPER_OBJ): $(JHELPER_DTRACE_SRC) $(JVM_OFFSETS_INDEX_H)
 127         $(call LogInfo, Running dtrace for $(<F))
 128         $(call MakeDir, $(DTRACE_SUPPORT_DIR))
 129         $(call ExecuteWithLog, $(DTRACE_SUPPORT_DIR)/$(@F).d, \
 130             ($(CPP) $(DTRACE_CPP_FLAGS) -I$(DTRACE_GENSRC_DIR) $^ \
 131             > $(DTRACE_SUPPORT_DIR)/$(@F).d))
 132         $(call ExecuteWithLog, $@, $(DTRACE) $(DTRACE_FLAGS) -o $@ \
 133             -s $(DTRACE_SUPPORT_DIR)/$(@F).d)
 134         ifeq ($(OPENJDK_TARGET_CPU_ARCH), sparc)
 135           $(call ExecuteWithLog, $@.elfedit, $(ELFEDIT) $(call GetElfeditCommands) $@)
 136         endif
 137 
 138   endif
 139 endif


   7 # published by the Free Software Foundation.  Oracle designates this
   8 # particular file as subject to the "Classpath" exception as provided
   9 # by Oracle in the LICENSE file that accompanied this code.
  10 #
  11 # This code is distributed in the hope that it will be useful, but WITHOUT
  12 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14 # version 2 for more details (a copy is included in the LICENSE file that
  15 # accompanied this code).
  16 #
  17 # You should have received a copy of the GNU General Public License version
  18 # 2 along with this work; if not, write to the Free Software Foundation,
  19 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20 #
  21 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22 # or visit www.oracle.com if you need additional information or have any
  23 # questions.
  24 #
  25 
  26 ifeq ($(call check-jvm-feature, dtrace), true)
  27   ifeq ($(call isTargetOs, solaris), true)
  28 
  29     ############################################################################
  30     # Integrate with libjvm. Here we generate two object files which are
  31     # linked with libjvm.so. This step is complicated from a dependency
  32     # perspective. We add these two files to the linking of libjvm using
  33     # EXTRA_OBJECT_FILES, but they need to be created outside the call to
  34     # SetupNativeCompilation. Also, one of the files is dependent on compiled
  35     # object files from the libjvm compilation, so this generation must happen
  36     # as a part of the libjvm compilation.
  37 
  38     DTRACE_OBJ := $(JVM_OUTPUTDIR)/objs/dtrace.o
  39     DTRACE_JHELPER_OBJ := $(JVM_OUTPUTDIR)/objs/dtrace_jhelper.o
  40 
  41     DTRACE_EXTRA_OBJECT_FILES := $(DTRACE_OBJ) $(DTRACE_JHELPER_OBJ)
  42 
  43     ############################################################################
  44     # Generate DTRACE_OBJ which is linked with libjvm.so. It depends on a set of
  45     # object files from the compilation.
  46 
  47     # Concatenate all *.d files into a single file


 114     # Unfortunately dtrace generates incorrect types for some symbols in
 115     # dtrace_jhelper.o, resulting in "warning: symbol X has differing types"
 116     # See JDK-6890703 for details.
 117     # We work around this by fixing the types for these symbols using elfedit,
 118     # after dtrace has generated the .o file.
 119     GetElfeditCommands = \
 120       $(foreach symbol, \
 121           $(shell $(GREP) ^extern $(JHELPER_DTRACE_SRC) | $(AWK) '{ gsub(";","") ; print $$3 }'), \
 122           -e 'sym:st_type $(symbol) 1')
 123 
 124     # Make sure we run our selected compiler for preprocessing instead of letting
 125     # the dtrace tool pick it on it's own.
 126     $(DTRACE_JHELPER_OBJ): $(JHELPER_DTRACE_SRC) $(JVM_OFFSETS_INDEX_H)
 127         $(call LogInfo, Running dtrace for $(<F))
 128         $(call MakeDir, $(DTRACE_SUPPORT_DIR))
 129         $(call ExecuteWithLog, $(DTRACE_SUPPORT_DIR)/$(@F).d, \
 130             ($(CPP) $(DTRACE_CPP_FLAGS) -I$(DTRACE_GENSRC_DIR) $^ \
 131             > $(DTRACE_SUPPORT_DIR)/$(@F).d))
 132         $(call ExecuteWithLog, $@, $(DTRACE) $(DTRACE_FLAGS) -o $@ \
 133             -s $(DTRACE_SUPPORT_DIR)/$(@F).d)
 134         ifeq ($(call isTargetCpuArch, sparc), true)
 135           $(call ExecuteWithLog, $@.elfedit, $(ELFEDIT) $(call GetElfeditCommands) $@)
 136         endif
 137 
 138   endif
 139 endif
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