1 #
2 # Copyright (c) 2005, 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_db/dtrace, used by vm.make
26
27 # We build libjvm_dtrace/libjvm_db/dtrace for COMPILER1 and COMPILER2
28 # but not for CORE or KERNEL configurations.
29
30 ifneq ("${TYPE}", "CORE")
31 ifneq ("${TYPE}", "KERNEL")
32
33 ifdef USE_GCC
34
35 dtraceCheck:
36 $(QUIETLY) echo "**NOTICE** Dtrace support disabled for gcc builds"
37
38 else
39
40 JVM_DB = libjvm_db
41 LIBJVM_DB = libjvm_db.so
42 LIBJVM_DB_G = libjvm$(G_SUFFIX)_db.so
43
44 JVM_DTRACE = jvm_dtrace
45 LIBJVM_DTRACE = libjvm_dtrace.so
46 LIBJVM_DTRACE_G = libjvm$(G_SUFFIX)_dtrace.so
47
48 JVMOFFS = JvmOffsets
49 JVMOFFS.o = $(JVMOFFS).o
50 GENOFFS = generate$(JVMOFFS)
51
52 DTRACE_SRCDIR = $(GAMMADIR)/src/os/$(Platform_os_family)/dtrace
53 DTRACE = dtrace
54 DTRACE.o = $(DTRACE).o
55
56 # to remove '-g' option which causes link problems
57 # also '-z nodefs' is used as workaround
58 GENOFFS_CFLAGS = $(shell echo $(CFLAGS) | sed -e 's/ -g / /g' -e 's/ -g0 / /g';)
59
60 ifdef LP64
61 DTRACE_OPTS = -64 -D_LP64
62 endif
63
64 # making libjvm_db
65
66 INCLS = $(GENERATED)/incls
67
68 # Use mapfile with libjvm_db.so
69 LIBJVM_DB_MAPFILE = $(MAKEFILES_DIR)/mapfile-vers-jvm_db
70 LFLAGS_JVM_DB += $(MAPFLAG:FILENAME=$(LIBJVM_DB_MAPFILE))
71
72 # Use mapfile with libjvm_dtrace.so
73 LIBJVM_DTRACE_MAPFILE = $(MAKEFILES_DIR)/mapfile-vers-jvm_dtrace
74 LFLAGS_JVM_DTRACE += $(MAPFLAG:FILENAME=$(LIBJVM_DTRACE_MAPFILE))
75
76 ifdef USE_GCC
77 LFLAGS_JVM_DB += -D_REENTRANT $(PICFLAG)
78 LFLAGS_JVM_DTRACE += -D_REENTRANT $(PICFLAG)
79 else
80 LFLAGS_JVM_DB += -mt $(PICFLAG) -xnolib
81 LFLAGS_JVM_DTRACE += -mt $(PICFLAG) -xnolib -ldl
82 endif
83
84 ISA = $(subst i386,i486,$(shell isainfo -n))
85
86 # Making 64/libjvm_db.so: 64-bit version of libjvm_db.so which handles 32-bit libjvm.so
87 ifneq ("${ISA}","${BUILDARCH}")
88
89 XLIBJVM_DB = 64/$(LIBJVM_DB)
90 XLIBJVM_DB_G = 64/$(LIBJVM_DB_G)
91 XLIBJVM_DTRACE = 64/$(LIBJVM_DTRACE)
92 XLIBJVM_DTRACE_G = 64/$(LIBJVM_DTRACE_G)
93
94 $(XLIBJVM_DB): $(DTRACE_SRCDIR)/$(JVM_DB).c $(JVMOFFS).h $(LIBJVM_DB_MAPFILE)
95 @echo Making $@
96 $(QUIETLY) mkdir -p 64/ ; \
97 $(CC) $(SYMFLAG) $(ARCHFLAG/$(ISA)) -D$(TYPE) -I. -I$(GENERATED) \
98 $(SHARED_FLAG) $(LFLAGS_JVM_DB) -o $@ $(DTRACE_SRCDIR)/$(JVM_DB).c -lc
99 [ -f $(XLIBJVM_DB_G) ] || { ln -s $(LIBJVM_DB) $(XLIBJVM_DB_G); }
100
101 $(XLIBJVM_DTRACE): $(DTRACE_SRCDIR)/$(JVM_DTRACE).c $(DTRACE_SRCDIR)/$(JVM_DTRACE).h $(LIBJVM_DTRACE_MAPFILE)
102 @echo Making $@
103 $(QUIETLY) mkdir -p 64/ ; \
104 $(CC) $(SYMFLAG) $(ARCHFLAG/$(ISA)) -D$(TYPE) -I. \
105 $(SHARED_FLAG) $(LFLAGS_JVM_DTRACE) -o $@ $(DTRACE_SRCDIR)/$(JVM_DTRACE).c -lc -lthread -ldoor
106 [ -f $(XLIBJVM_DTRACE_G) ] || { ln -s $(LIBJVM_DTRACE) $(XLIBJVM_DTRACE_G); }
107
108 endif # ifneq ("${ISA}","${BUILDARCH}")
109
110 ifdef USE_GCC
111 LFLAGS_GENOFFS += -D_REENTRANT
112 else
113 LFLAGS_GENOFFS += -mt -xnolib -norunpath
114 endif
115
116 lib$(GENOFFS).so: $(DTRACE_SRCDIR)/$(GENOFFS).cpp $(DTRACE_SRCDIR)/$(GENOFFS).h \
117 $(INCLS)/_vmStructs.cpp.incl $(LIBJVM.o)
118 $(QUIETLY) $(CCC) $(CPPFLAGS) $(GENOFFS_CFLAGS) $(SHARED_FLAG) $(PICFLAG) \
119 $(LFLAGS_GENOFFS) -o $@ $(DTRACE_SRCDIR)/$(GENOFFS).cpp -lc
120
121 $(GENOFFS): $(DTRACE_SRCDIR)/$(GENOFFS)Main.c lib$(GENOFFS).so
122 $(QUIETLY) $(LINK.CC) -z nodefs -o $@ $(DTRACE_SRCDIR)/$(GENOFFS)Main.c \
123 ./lib$(GENOFFS).so
124
125 CONDITIONALLY_UPDATE_JVMOFFS_TARGET = \
126 cmp -s $@ $@.tmp; \
127 case $$? in \
128 0) rm -f $@.tmp;; \
129 *) rm -f $@ && mv $@.tmp $@ && echo Updated $@;; \
130 esac
131
132 # $@.tmp is created first to avoid an empty $(JVMOFFS).h if an error occurs.
133 $(JVMOFFS).h: $(GENOFFS)
134 $(QUIETLY) LD_LIBRARY_PATH=. ./$(GENOFFS) -header > $@.tmp
135 $(QUIETLY) $(CONDITIONALLY_UPDATE_JVMOFFS_TARGET)
136
137 $(JVMOFFS)Index.h: $(GENOFFS)
138 $(QUIETLY) LD_LIBRARY_PATH=. ./$(GENOFFS) -index > $@.tmp
139 $(QUIETLY) $(CONDITIONALLY_UPDATE_JVMOFFS_TARGET)
140
141 $(JVMOFFS).cpp: $(GENOFFS) $(JVMOFFS).h $(JVMOFFS)Index.h
142 $(QUIETLY) LD_LIBRARY_PATH=. ./$(GENOFFS) -table > $@.tmp
143 $(QUIETLY) $(CONDITIONALLY_UPDATE_JVMOFFS_TARGET)
144
145 $(JVMOFFS.o): $(JVMOFFS).h $(JVMOFFS).cpp
146 $(QUIETLY) $(CCC) -c -I. -o $@ $(ARCHFLAG) -D$(TYPE) $(JVMOFFS).cpp
147
148 $(LIBJVM_DB): $(DTRACE_SRCDIR)/$(JVM_DB).c $(JVMOFFS.o) $(XLIBJVM_DB) $(LIBJVM_DB_MAPFILE)
149 @echo Making $@
150 $(QUIETLY) $(CC) $(SYMFLAG) $(ARCHFLAG) -D$(TYPE) -I. -I$(GENERATED) \
151 $(SHARED_FLAG) $(LFLAGS_JVM_DB) -o $@ $(DTRACE_SRCDIR)/$(JVM_DB).c -lc
152 [ -f $(LIBJVM_DB_G) ] || { ln -s $@ $(LIBJVM_DB_G); }
153
154 $(LIBJVM_DTRACE): $(DTRACE_SRCDIR)/$(JVM_DTRACE).c $(XLIBJVM_DTRACE) $(DTRACE_SRCDIR)/$(JVM_DTRACE).h $(LIBJVM_DTRACE_MAPFILE)
155 @echo Making $@
156 $(QUIETLY) $(CC) $(SYMFLAG) $(ARCHFLAG) -D$(TYPE) -I. \
157 $(SHARED_FLAG) $(LFLAGS_JVM_DTRACE) -o $@ $(DTRACE_SRCDIR)/$(JVM_DTRACE).c -lc -lthread -ldoor
158 [ -f $(LIBJVM_DTRACE_G) ] || { ln -s $@ $(LIBJVM_DTRACE_G); }
159
160 $(DTRACE).d: $(DTRACE_SRCDIR)/hotspot.d $(DTRACE_SRCDIR)/hotspot_jni.d \
161 $(DTRACE_SRCDIR)/hs_private.d $(DTRACE_SRCDIR)/jhelper.d
162 $(QUIETLY) cat $^ > $@
163
164 # Dtrace is available, so we build $(DTRACE.o)
165 $(DTRACE.o): $(DTRACE).d $(JVMOFFS).h $(JVMOFFS)Index.h $(DTraced_Files)
166 @echo Compiling $(DTRACE).d
167
168 $(QUIETLY) $(DTRACE_PROG) $(DTRACE_OPTS) -C -I. -G -xlazyload -o $@ -s $(DTRACE).d \
169 $(DTraced_Files) ||\
170 STATUS=$$?;\
171 if [ x"$$STATUS" = x"1" -a \
172 x`uname -r` = x"5.10" -a \
173 x`uname -p` = x"sparc" ]; then\
174 echo "*****************************************************************";\
175 echo "* If you are building server compiler, and the error message is ";\
176 echo "* \"incorrect ELF machine type...\", you have run into solaris bug ";\
177 echo "* 6213962, \"dtrace -G doesn't work on sparcv8+ object files\".";\
178 echo "* Either patch/upgrade your system (>= S10u1_15), or set the ";\
179 echo "* environment variable HOTSPOT_DISABLE_DTRACE_PROBES to disable ";\
180 echo "* dtrace probes for this build.";\
181 echo "*****************************************************************";\
182 fi;\
183 exit $$STATUS
184 # Since some DTraced_Files are in LIBJVM.o and they are touched by this
185 # command, and libgenerateJvmOffsets.so depends on LIBJVM.o, 'make' will
186 # think it needs to rebuild libgenerateJvmOffsets.so and thus JvmOffsets*
187 # files, but it doesn't, so we touch the necessary files to prevent later
188 # recompilation. Note: we only touch the necessary files if they already
189 # exist in order to close a race where an empty file can be created
190 # before the real build rule is executed.
191 # But, we can't touch the *.h files: This rule depends
192 # on them, and that would cause an infinite cycle of rebuilding.
193 # Neither the *.h or *.ccp files need to be touched, since they have
194 # rules which do not update them when the generator file has not
195 # changed their contents.
196 $(QUIETLY) if [ -f lib$(GENOFFS).so ]; then touch lib$(GENOFFS).so; fi
197 $(QUIETLY) if [ -f $(GENOFFS) ]; then touch $(GENOFFS); fi
198 $(QUIETLY) if [ -f $(JVMOFFS.o) ]; then touch $(JVMOFFS.o); fi
199
200 .PHONY: dtraceCheck
201
202 SYSTEM_DTRACE_H = /usr/include/dtrace.h
203 SYSTEM_DTRACE_PROG = /usr/sbin/dtrace
204 PATCH_DTRACE_PROG = /opt/SUNWdtrd/sbin/dtrace
205 systemDtraceFound := $(wildcard ${SYSTEM_DTRACE_PROG})
206 patchDtraceFound := $(wildcard ${PATCH_DTRACE_PROG})
207 systemDtraceHdrFound := $(wildcard $(SYSTEM_DTRACE_H))
208
209 ifneq ("$(systemDtraceHdrFound)", "")
210 CFLAGS += -DHAVE_DTRACE_H
211 endif
212
213 ifneq ("$(patchDtraceFound)", "")
214 DTRACE_PROG=$(PATCH_DTRACE_PROG)
215 DTRACE_INCL=-I/opt/SUNWdtrd/include
216 else
217 ifneq ("$(systemDtraceFound)", "")
218 DTRACE_PROG=$(SYSTEM_DTRACE_PROG)
219 else
220
221 endif # ifneq ("$(systemDtraceFound)", "")
222 endif # ifneq ("$(patchDtraceFound)", "")
223
224 ifneq ("${DTRACE_PROG}", "")
225 ifeq ("${HOTSPOT_DISABLE_DTRACE_PROBES}", "")
226
227 DTRACE_OBJS = $(DTRACE.o) $(JVMOFFS.o)
228 CFLAGS += $(DTRACE_INCL) -DDTRACE_ENABLED
229 MAPFILE_DTRACE_OPT = $(MAPFILE_DTRACE)
230
231 dtraceCheck:
232
233 else # manually disabled
234
235 dtraceCheck:
236 $(QUIETLY) echo "**NOTICE** Dtrace support disabled via environment variable"
237
238 endif # ifeq ("${HOTSPOT_DISABLE_DTRACE_PROBES}", "")
239
240 else # No dtrace program found
241
242 dtraceCheck:
243 $(QUIETLY) echo "**NOTICE** Dtrace support disabled: not supported by system"
244
245 endif # ifneq ("${dtraceFound}", "")
246
247 endif # ifdef USE_GCC
248
249 else # KERNEL build
250
251 dtraceCheck:
252 $(QUIETLY) echo "**NOTICE** Dtrace support disabled for KERNEL builds"
253
254 endif # ifneq ("${TYPE}", "KERNEL")
255
256 else # CORE build
257
258 dtraceCheck:
259 $(QUIETLY) echo "**NOTICE** Dtrace support disabled for CORE builds"
260
261 endif # ifneq ("${TYPE}", "CORE")