1 #
   2 # Copyright (c) 2013, 2016, 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.  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 ################################################################################
  27 # Support for dtrace integration with libjvm, and stand-alone dtrace library
  28 # compilation.
  29 
  30 ifeq ($(call check-jvm-feature, dtrace), true)
  31   ##############################################################################
  32 
  33   ifeq ($(OPENJDK_TARGET_OS), solaris)
  34     ############################################################################
  35     # Integrate with libjvm. Here we generate three object files which are
  36     # linked with libjvm.so. This step is complicated from a dependency
  37     # perspective, since it needs the rest of the compiled object files from the
  38     # libjvm compilation, but the output is object files that are to be included
  39     # when linking libjvm.so. So this generation must happen as a part of the
  40     # libjvm compilation.
  41 
  42     # First we need to generate the dtraceGenOffsets tool. When run, this will
  43     # produce more header files and a C++ file.
  44 
  45     # Note that generateJvmOffsets.cpp must be compiled as if it were a file
  46     # in the libjvm.so, using JVM_CFLAGS as setup in CompileJvm.gmk. Otherwise
  47     # this would preferrably have been done as a part of GensrcDtrace.gmk.
  48     $(eval $(call SetupNativeCompilation, BUILD_DTRACE_GEN_OFFSETS, \
  49         SRC := $(HOTSPOT_TOPDIR)/src/os/$(OPENJDK_TARGET_OS)/dtrace, \
  50         INCLUDE_FILES := generateJvmOffsets.cpp generateJvmOffsetsMain.c, \
  51         CC := $(BUILD_CXX), \
  52         CXX := $(BUILD_CXX), \
  53         LDEXE := $(BUILD_CXX), \
  54         generateJvmOffsets.cpp_CXXFLAGS := $(JVM_CFLAGS) -mt -xnolib -norunpath, \
  55         generateJvmOffsetsMain.c_CFLAGS := -library=%none -mt -m64 -norunpath -z nodefs, \
  56         LDFLAGS := -m64, \
  57         LIBS := -lc, \
  58         OBJECT_DIR := $(JVM_VARIANT_OUTPUTDIR)/tools/dtrace-gen-offsets/objs, \
  59         OUTPUT_DIR := $(JVM_VARIANT_OUTPUTDIR)/tools/dtrace-gen-offsets, \
  60         PROGRAM := dtraceGenOffsets, \
  61     ))
  62 
  63     DTRACE_GEN_OFFSETS_TOOL := $(BUILD_DTRACE_GEN_OFFSETS_TARGET)
  64 
  65     # Argument 1: Output filename
  66     # Argument 2: dtrace-gen-offset tool command line option
  67     define SetupDtraceOffsetsGeneration
  68       $1: $$(BUILD_DTRACE_GEN_OFFSETS)
  69         $$(call LogInfo, Generating dtrace $2 file $$(@F))
  70         $$(call MakeDir, $$(@D))
  71         $$(call ExecuteWithLog, $$@, ( $$(DTRACE_GEN_OFFSETS_TOOL) -$$(strip $2) > $$@ ) )
  72 
  73       TARGETS += $1
  74     endef
  75 
  76     JVM_OFFSETS_H := $(DTRACE_SUPPORT_DIR)/JvmOffsets.h
  77     JVM_OFFSETS_CPP := $(DTRACE_SUPPORT_DIR)/JvmOffsets.cpp
  78     JVM_OFFSETS_INDEX_H := $(DTRACE_SUPPORT_DIR)/JvmOffsetsIndex.h
  79 
  80     # Run the dtrace-gen-offset tool to generate these three files.
  81     $(eval $(call SetupDtraceOffsetsGeneration, $(JVM_OFFSETS_H), header))
  82     $(eval $(call SetupDtraceOffsetsGeneration, $(JVM_OFFSETS_INDEX_H), index))
  83     $(eval $(call SetupDtraceOffsetsGeneration, $(JVM_OFFSETS_CPP), table))
  84 
  85     ############################################################################
  86     # Compile JVM_OFFSETS_OBJ which is linked with libjvm.so.
  87 
  88     # JvmOffsets.cpp is compiled without the common JVM_CFLAGS. Otherwise, the
  89     # natural way would have been to included this source code in BUILD_LIBJVM.
  90     JVM_OFFSETS_CFLAGS := -m64
  91     ifeq ($(OPENJDK_TARGET_CPU), sparcv9)
  92       JVM_OFFSETS_CFLAGS += -xarch=sparc
  93     endif
  94 
  95     $(JVM_OFFSETS_OBJ): $(JVM_OFFSETS_CPP) $(JVM_OFFSETS_H)
  96         $(call LogInfo, Compiling dtrace file JvmOffsets.cpp (for libjvm.so))
  97         $(call ExecuteWithLog, $@, $(CXX) -c -I$(<D) -o $@ $(JVM_OFFSETS_CFLAGS) $<)
  98 
  99     ############################################################################
 100     # Generate DTRACE_OBJ which is linked with libjvm.so.
 101 
 102     # Concatenate all *.d files into a single file
 103     DTRACE_SOURCE_FILES := $(addprefix $(HOTSPOT_TOPDIR)/src/os/posix/dtrace/, \
 104         hotspot_jni.d \
 105         hotspot.d \
 106         hs_private.d \
 107     )
 108 
 109     $(JVM_OUTPUTDIR)/objs/dtrace.d: $(DTRACE_SOURCE_FILES)
 110         $(call LogInfo, Generating $(@F))
 111         $(call MakeDir, $(@D))
 112         $(CAT) $^ > $@
 113 
 114     DTRACE_INSTRUMENTED_OBJS := $(addprefix $(JVM_OUTPUTDIR)/objs/, \
 115         ciEnv.o \
 116         classLoadingService.o \
 117         compileBroker.o \
 118         hashtable.o \
 119         instanceKlass.o \
 120         java.o \
 121         jni.o \
 122         jvm.o \
 123         memoryManager.o \
 124         nmethod.o \
 125         objectMonitor.o \
 126         runtimeService.o \
 127         sharedRuntime.o \
 128         synchronizer.o \
 129         thread.o \
 130         unsafe.o \
 131         vmThread.o \
 132         vmGCOperations.o \
 133     )
 134 
 135     ifeq ($(call check-jvm-feature, all-gcs), true)
 136       DTRACE_INSTRUMENTED_OBJS += $(addprefix $(JVM_OUTPUTDIR)/objs/, \
 137           vmCMSOperations.o \
 138           vmPSOperations.o \
 139       )
 140     endif
 141 
 142     DTRACE_FLAGS := -64 -G
 143     DTRACE_CPP_FLAGS := -D_LP64
 144 
 145     # Make sure we run our selected compiler for preprocessing instead of letting
 146     # the dtrace tool pick it on it's own.
 147     $(DTRACE_OBJ): $(JVM_OUTPUTDIR)/objs/dtrace.d $(DTRACE_INSTRUMENTED_OBJS)
 148         $(call LogInfo, Generating $(@F) from $(<F) and object files)
 149         $(call MakeDir, $(DTRACE_SUPPORT_DIR))
 150         $(call ExecuteWithLog, $(DTRACE_SUPPORT_DIR)/$(@F).d, $(CC) -E \
 151             $(DTRACE_CPP_FLAGS) $< > $(DTRACE_SUPPORT_DIR)/$(@F).d)
 152         $(call ExecuteWithLog, $@, $(DTRACE) $(DTRACE_FLAGS) -xlazyload -o $@ \
 153             -s $(DTRACE_SUPPORT_DIR)/$(@F).d $(sort $(DTRACE_INSTRUMENTED_OBJS)))
 154 
 155     ############################################################################
 156     # Generate DTRACE_JHELPER_OBJ which is linked with libjvm.so.
 157 
 158     # Unfortunately dtrace generates incorrect types for some symbols in
 159     # dtrace_jhelper.o, resulting in "warning: symbol X has differing types"
 160     # This is tracked in JDK-6890703.
 161     $(DTRACE_JHELPER_OBJ): $(HOTSPOT_TOPDIR)/src/os/solaris/dtrace/jhelper.d \
 162         $(JVM_OFFSETS_INDEX_H)
 163         $(call LogInfo, Running dtrace for $(<F))
 164         $(call ExecuteWithLog, $@, $(DTRACE) $(DTRACE_FLAGS) $(DTRACE_CPP_FLAGS) -C \
 165             -I$(DTRACE_SUPPORT_DIR) -o $@ -s $<)
 166 
 167     # NOTE: We should really do something like this, but unfortunately this
 168     # results in a compilation error. :-(
 169     # $(call MakeDir, $(DTRACE_SUPPORT_DIR))
 170     # $(call ExecuteWithLog, $(DTRACE_SUPPORT_DIR)/$(@F).d, $(CC) -E \
 171     #     $(DTRACE_CPP_FLAGS) -I$(DTRACE_SUPPORT_DIR) $^ \
 172     #     > $(DTRACE_SUPPORT_DIR)/$(@F).d)
 173     # $(call ExecuteWithLog, $@, $(DTRACE) $(DTRACE_FLAGS) -o $@ \
 174     #     -s $(DTRACE_SUPPORT_DIR)/$(@F).d)
 175 
 176     ############################################################################
 177     # Build the stand-alone dtrace libraries
 178 
 179     LIBJVM_DTRACE_OUTPUTDIR := $(JVM_VARIANT_OUTPUTDIR)/libjvm_dtrace
 180 
 181     $(eval $(call SetupNativeCompilation, BUILD_LIBJVM_DTRACE, \
 182         LIBRARY := jvm_dtrace, \
 183         OUTPUT_DIR := $(LIBJVM_DTRACE_OUTPUTDIR), \
 184         SRC := $(HOTSPOT_TOPDIR)/src/os/solaris/dtrace, \
 185         INCLUDE_FILES := jvm_dtrace.c, \
 186         CFLAGS := -m64 -G -mt -KPIC, \
 187         LDFLAGS := -m64 -mt -xnolib $(SHARED_LIBRARY_FLAGS), \
 188         LIBS := $(LIBDL) -lc -lthread -ldoor, \
 189         MAPFILE := $(HOTSPOT_TOPDIR)/make/mapfiles/libjvm_dtrace/mapfile-vers, \
 190         OBJECT_DIR := $(LIBJVM_DTRACE_OUTPUTDIR)/objs, \
 191         STRIP_SYMBOLS := true, \
 192     ))
 193 
 194     LIBJVM_DB_OUTPUTDIR := $(JVM_VARIANT_OUTPUTDIR)/libjvm_db
 195 
 196     # Note that libjvm_db.c has tests for COMPILER2, but this was never set by
 197     # the old build.
 198     $(eval $(call SetupNativeCompilation, BUILD_LIBJVM_DB, \
 199         LIBRARY := jvm_db, \
 200         OUTPUT_DIR := $(LIBJVM_DB_OUTPUTDIR), \
 201         SRC := $(HOTSPOT_TOPDIR)/src/os/solaris/dtrace, \
 202         INCLUDE_FILES := libjvm_db.c, \
 203         CFLAGS := -I$(JVM_VARIANT_OUTPUTDIR)/gensrc -I$(DTRACE_SUPPORT_DIR) \
 204             -m64 -G -mt -KPIC, \
 205         LDFLAGS := -m64 -mt -xnolib $(SHARED_LIBRARY_FLAGS), \
 206         LIBS := -lc, \
 207         MAPFILE := $(HOTSPOT_TOPDIR)/make/mapfiles/libjvm_db/mapfile-vers, \
 208         OBJECT_DIR := $(LIBJVM_DB_OUTPUTDIR)/objs, \
 209         STRIP_SYMBOLS := true, \
 210     ))
 211 
 212     # We need the generated JvmOffsets.h before we can compile the libjvm_db source code.
 213     $(BUILD_LIBJVM_DB_ALL_OBJS): $(JVM_OFFSETS_H)
 214 
 215     TARGETS += $(BUILD_LIBJVM_DTRACE) $(BUILD_LIBJVM_DB)
 216   endif
 217 endif