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#
# Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
#
# This code is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License version 2 only, as
# published by the Free Software Foundation. Oracle designates this
# particular file as subject to the "Classpath" exception as provided
# by Oracle in the LICENSE file that accompanied this code.
#
# This code is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
# version 2 for more details (a copy is included in the LICENSE file that
# accompanied this code).
#
# You should have received a copy of the GNU General Public License version
# 2 along with this work; if not, write to the Free Software Foundation,
# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
# or visit www.oracle.com if you need additional information or have any
# questions.
#
ifeq ($(call check-jvm-feature, dtrace), true)
ifeq ($(call isTargetOs, solaris), true)
############################################################################
# Integrate with libjvm. Here we generate two object files which are
# linked with libjvm.so. This step is complicated from a dependency
# perspective. We add these two files to the linking of libjvm using
# EXTRA_OBJECT_FILES, but they need to be created outside the call to
# SetupNativeCompilation. Also, one of the files is dependent on compiled
# object files from the libjvm compilation, so this generation must happen
# as a part of the libjvm compilation.
DTRACE_OBJ := $(JVM_OUTPUTDIR)/objs/dtrace.o
DTRACE_JHELPER_OBJ := $(JVM_OUTPUTDIR)/objs/dtrace_jhelper.o
DTRACE_EXTRA_OBJECT_FILES := $(DTRACE_OBJ) $(DTRACE_JHELPER_OBJ)
############################################################################
# Generate DTRACE_OBJ which is linked with libjvm.so. It depends on a set of
# object files from the compilation.
# Concatenate all *.d files into a single file
DTRACE_SOURCE_FILES := $(addprefix $(TOPDIR)/src/hotspot/os/posix/dtrace/, \
hotspot_jni.d \
hotspot.d \
hs_private.d \
)
$(JVM_OUTPUTDIR)/objs/dtrace.d: $(DTRACE_SOURCE_FILES)
$(call LogInfo, Generating $(@F))
$(call MakeDir, $(@D))
$(CAT) $^ > $@
DTRACE_INSTRUMENTED_OBJS := $(addprefix $(JVM_OUTPUTDIR)/objs/, \
ciEnv.o \
classLoadingService.o \
compileBroker.o \
hashtable.o \
instanceKlass.o \
java.o \
jni.o \
jvm.o \
memoryManager.o \
nmethod.o \
objectMonitor.o \
runtimeService.o \
sharedRuntime.o \
synchronizer.o \
thread.o \
unsafe.o \
vmThread.o \
vmGCOperations.o \
)
ifeq ($(call check-jvm-feature, cmsgc), true)
DTRACE_INSTRUMENTED_OBJS += $(addprefix $(JVM_OUTPUTDIR)/objs/, \
vmCMSOperations.o \
)
endif
ifeq ($(call check-jvm-feature, parallelgc), true)
DTRACE_INSTRUMENTED_OBJS += $(addprefix $(JVM_OUTPUTDIR)/objs/, \
vmPSOperations.o \
)
endif
DTRACE_FLAGS := -64 -G
DTRACE_CPP_FLAGS := -D_LP64
# Make sure we run our selected compiler for preprocessing instead of letting
# the dtrace tool pick it on it's own.
$(DTRACE_OBJ): $(JVM_OUTPUTDIR)/objs/dtrace.d $(DTRACE_INSTRUMENTED_OBJS)
$(call LogInfo, Generating $(@F) from $(<F) and object files)
$(call MakeDir, $(DTRACE_SUPPORT_DIR))
$(call ExecuteWithLog, $(DTRACE_SUPPORT_DIR)/$(@F).d, \
($(CPP) $(DTRACE_CPP_FLAGS) $< > $(DTRACE_SUPPORT_DIR)/$(@F).d))
$(call ExecuteWithLog, $@, $(DTRACE) $(DTRACE_FLAGS) -xlazyload -o $@ \
-s $(DTRACE_SUPPORT_DIR)/$(@F).d $(sort $(DTRACE_INSTRUMENTED_OBJS)))
############################################################################
# Generate DTRACE_JHELPER_OBJ which is linked with libjvm.so.
JHELPER_DTRACE_SRC := $(TOPDIR)/src/hotspot/os/solaris/dtrace/jhelper.d
# jhelper.d includes JvmOffsetsIndex.h which was created by the gensrc step.
DTRACE_GENSRC_DIR := $(JVM_VARIANT_OUTPUTDIR)/gensrc/dtracefiles
JVM_OFFSETS_INDEX_H := $(DTRACE_GENSRC_DIR)/JvmOffsetsIndex.h
# Unfortunately dtrace generates incorrect types for some symbols in
# dtrace_jhelper.o, resulting in "warning: symbol X has differing types"
# See JDK-6890703 for details.
# We work around this by fixing the types for these symbols using elfedit,
# after dtrace has generated the .o file.
GetElfeditCommands = \
$(foreach symbol, \
$(shell $(GREP) ^extern $(JHELPER_DTRACE_SRC) | $(AWK) '{ gsub(";","") ; print $$3 }'), \
-e 'sym:st_type $(symbol) 1')
# Make sure we run our selected compiler for preprocessing instead of letting
# the dtrace tool pick it on it's own.
$(DTRACE_JHELPER_OBJ): $(JHELPER_DTRACE_SRC) $(JVM_OFFSETS_INDEX_H)
$(call LogInfo, Running dtrace for $(<F))
$(call MakeDir, $(DTRACE_SUPPORT_DIR))
$(call ExecuteWithLog, $(DTRACE_SUPPORT_DIR)/$(@F).d, \
($(CPP) $(DTRACE_CPP_FLAGS) -I$(DTRACE_GENSRC_DIR) $^ \
> $(DTRACE_SUPPORT_DIR)/$(@F).d))
$(call ExecuteWithLog, $@, $(DTRACE) $(DTRACE_FLAGS) -o $@ \
-s $(DTRACE_SUPPORT_DIR)/$(@F).d)
ifeq ($(call isTargetCpuArch, sparc), true)
$(call ExecuteWithLog, $@.elfedit, $(ELFEDIT) $(call GetElfeditCommands) $@)
endif
endif
endif
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