1#
2# Copyright (c) 1999, 2021, Oracle and/or its affiliates. All rights reserved.
3# Copyright (c) 2012, 2020 SAP SE. All rights reserved.
4# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5#
6# This code is free software; you can redistribute it and/or modify it
7# under the terms of the GNU General Public License version 2 only, as
8# published by the Free Software Foundation.
9#
10# This code is distributed in the hope that it will be useful, but WITHOUT
11# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
13# version 2 for more details (a copy is included in the LICENSE file that
14# accompanied this code).
15#
16# You should have received a copy of the GNU General Public License version
17# 2 along with this work; if not, write to the Free Software Foundation,
18# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19#
20# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21# or visit www.oracle.com if you need additional information or have any
22# questions.
23#
24#
25
26# Rules to build JVM and related libraries, included from vm.make in the build
27# directory.
28
29# Common build rules.
30MAKEFILES_DIR=$(GAMMADIR)/make/$(Platform_os_family)/makefiles
31include $(MAKEFILES_DIR)/rules.make
32include $(GAMMADIR)/make/altsrc.make
33
34default: build
35
36#----------------------------------------------------------------------
37# Defs
38
39GENERATED     = ../generated
40DEP_DIR       = $(GENERATED)/dependencies
41
42# reads the generated files defining the set of .o's and the .o .h dependencies
43-include $(DEP_DIR)/*.d
44
45# read machine-specific adjustments (%%% should do this via buildtree.make?)
46ifeq ($(findstring true, $(JVM_VARIANT_ZERO) $(JVM_VARIANT_ZEROSHARK)), true)
47  include $(MAKEFILES_DIR)/zeroshark.make
48else
49  include $(MAKEFILES_DIR)/$(BUILDARCH).make
50endif
51
52# set VPATH so make knows where to look for source files
53# Src_Dirs_V is everything in src/share/vm/*, plus the right os/*/vm and cpu/*/vm
54# The adfiles directory contains ad_<arch>.[ch]pp.
55# The jvmtifiles directory contains jvmti*.[ch]pp
56Src_Dirs_V += $(GENERATED)/adfiles $(GENERATED)/jvmtifiles $(GENERATED)/jfrfiles
57VPATH += $(Src_Dirs_V:%=%:)
58
59# set INCLUDES for C preprocessor.
60Src_Dirs_I += $(GENERATED)
61# The order is important for the precompiled headers to work.
62INCLUDES += $(PRECOMPILED_HEADER_DIR:%=-I%) $(Src_Dirs_I:%=-I%)
63
64# SYMFLAG is used by {jsig,saproc}.make
65ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1)
66  # always build with debug info when we can create .debuginfo files
67  SYMFLAG = -g
68else
69  ifeq (${VERSION}, debug)
70    SYMFLAG = -g
71  else
72    SYMFLAG =
73  endif
74endif
75
76# HOTSPOT_RELEASE_VERSION and HOTSPOT_BUILD_VERSION are defined
77# in $(GAMMADIR)/make/defs.make
78ifeq ($(HOTSPOT_BUILD_VERSION),)
79  BUILD_VERSION = -DHOTSPOT_RELEASE_VERSION="\"$(HOTSPOT_RELEASE_VERSION)\""
80else
81  BUILD_VERSION = -DHOTSPOT_RELEASE_VERSION="\"$(HOTSPOT_RELEASE_VERSION)-$(HOTSPOT_BUILD_VERSION)\""
82endif
83
84# The following variables are defined in the generated flags.make file.
85BUILD_VERSION = -DHOTSPOT_RELEASE_VERSION="\"$(HS_BUILD_VER)\""
86JRE_VERSION   = -DJRE_RELEASE_VERSION="\"$(JRE_RELEASE_VER)\""
87HS_LIB_ARCH   = -DHOTSPOT_LIB_ARCH=\"$(LIBARCH)\"
88BUILD_TARGET  = -DHOTSPOT_BUILD_TARGET="\"$(TARGET)\""
89BUILD_USER    = -DHOTSPOT_BUILD_USER="\"$(HOTSPOT_BUILD_USER)\""
90VM_DISTRO     = -DHOTSPOT_VM_DISTRO="\"$(HOTSPOT_VM_DISTRO)\""
91
92CXXFLAGS =           \
93  ${SYSDEFS}         \
94  ${INCLUDES}        \
95  ${BUILD_VERSION}   \
96  ${BUILD_TARGET}    \
97  ${BUILD_USER}      \
98  ${HS_LIB_ARCH}     \
99  ${VM_DISTRO}
100
101# This is VERY important! The version define must only be supplied to vm_version.o
102# If not, ccache will not re-use the cache at all, since the version string might contain
103# a time and date.
104CXXFLAGS/vm_version.o += ${JRE_VERSION} ${VERSION_CFLAGS}
105CXXFLAGS/arguments.o += ${VERSION_CFLAGS}
106
107CXXFLAGS/BYFILE = $(CXXFLAGS/$@)
108
109# File specific flags
110CXXFLAGS += $(CXXFLAGS/BYFILE)
111
112
113# CFLAGS_WARN holds compiler options to suppress/enable warnings.
114CFLAGS += $(CFLAGS_WARN/BYFILE)
115
116# Do not use C++ exception handling
117CFLAGS += $(CFLAGS/NOEX)
118
119# Extra flags from gnumake's invocation or environment
120CFLAGS += $(EXTRA_CFLAGS)
121LFLAGS += $(EXTRA_CFLAGS) $(EXTRA_LDFLAGS)
122ASFLAGS += $(EXTRA_ASFLAGS)
123
124# Don't set excutable bit on stack segment
125# the same could be done by separate execstack command
126#LFLAGS += -Xlinker -z -Xlinker noexecstack
127
128LIBS += -lm -ldl -lpthread
129
130# By default, link the *.o into the library, not the executable.
131LINK_INTO$(LINK_INTO) = LIBJVM
132
133JDK_LIBDIR = $(JAVA_HOME)/jre/lib/$(LIBARCH)
134
135#----------------------------------------------------------------------
136# jvm_db & dtrace
137include $(MAKEFILES_DIR)/dtrace.make
138
139#----------------------------------------------------------------------
140# JVM
141
142JVM      = jvm
143LIBJVM   = lib$(JVM).so
144
145CFLAGS += -DALLOW_OPERATOR_NEW_USAGE
146
147LIBJVM_DEBUGINFO   = lib$(JVM).debuginfo
148LIBJVM_DIZ         = lib$(JVM).diz
149
150ifneq ($(ENABLE_JFR),true)
151EXCLUDE_JFR_PATHS:= -o -name jfr -prune
152endif
153
154SPECIAL_PATHS:=adlc c1 gc_implementation opto shark libadt
155
156SOURCE_PATHS=\
157  $(shell find $(HS_COMMON_SRC)/share/vm/* -type d \! \
158      \( -name DUMMY $(foreach dir,$(SPECIAL_PATHS),-o -name $(dir)) $(EXCLUDE_JFR_PATHS) \))
159SOURCE_PATHS+=$(HS_COMMON_SRC)/os/$(Platform_os_family)/vm
160SOURCE_PATHS+=$(HS_COMMON_SRC)/os/posix/vm
161SOURCE_PATHS+=$(HS_COMMON_SRC)/cpu/$(SRCARCH)/vm
162SOURCE_PATHS+=$(HS_COMMON_SRC)/os_cpu/$(Platform_os_family)_$(SRCARCH)/vm
163
164CORE_PATHS=$(foreach path,$(SOURCE_PATHS),$(call altsrc,$(path)) $(path))
165CORE_PATHS+=$(GENERATED)/jvmtifiles $(GENERATED)/jfrfiles
166
167COMPILER1_PATHS := $(call altsrc,$(HS_COMMON_SRC)/share/vm/c1)
168COMPILER1_PATHS += $(HS_COMMON_SRC)/share/vm/c1
169
170COMPILER2_PATHS := $(call altsrc,$(HS_COMMON_SRC)/share/vm/opto)
171COMPILER2_PATHS += $(call altsrc,$(HS_COMMON_SRC)/share/vm/libadt)
172COMPILER2_PATHS += $(HS_COMMON_SRC)/share/vm/opto
173COMPILER2_PATHS += $(HS_COMMON_SRC)/share/vm/libadt
174COMPILER2_PATHS += $(GENERATED)/adfiles
175
176SHARK_PATHS := $(GAMMADIR)/src/share/vm/shark
177
178# Include dirs per type.
179Src_Dirs/CORE      := $(CORE_PATHS)
180Src_Dirs/COMPILER1 := $(CORE_PATHS) $(COMPILER1_PATHS)
181Src_Dirs/COMPILER2 := $(CORE_PATHS) $(COMPILER2_PATHS)
182Src_Dirs/TIERED    := $(CORE_PATHS) $(COMPILER1_PATHS) $(COMPILER2_PATHS)
183Src_Dirs/ZERO      := $(CORE_PATHS)
184Src_Dirs/SHARK     := $(CORE_PATHS) $(SHARK_PATHS)
185Src_Dirs := $(Src_Dirs/$(TYPE))
186
187COMPILER2_SPECIFIC_FILES := opto libadt bcEscapeAnalyzer.cpp c2_\* runtime_\*
188COMPILER1_SPECIFIC_FILES := c1_\*
189SHARK_SPECIFIC_FILES     := shark
190ZERO_SPECIFIC_FILES      := zero
191
192# Always exclude these.
193Src_Files_EXCLUDE += jsig.c jvmtiEnvRecommended.cpp jvmtiEnvStub.cpp
194
195# Exclude per type.
196Src_Files_EXCLUDE/CORE      := $(COMPILER1_SPECIFIC_FILES) $(COMPILER2_SPECIFIC_FILES) $(ZERO_SPECIFIC_FILES) $(SHARK_SPECIFIC_FILES) ciTypeFlow.cpp
197Src_Files_EXCLUDE/COMPILER1 := $(COMPILER2_SPECIFIC_FILES) $(ZERO_SPECIFIC_FILES) $(SHARK_SPECIFIC_FILES) ciTypeFlow.cpp
198Src_Files_EXCLUDE/COMPILER2 := $(COMPILER1_SPECIFIC_FILES) $(ZERO_SPECIFIC_FILES) $(SHARK_SPECIFIC_FILES)
199Src_Files_EXCLUDE/TIERED    := $(ZERO_SPECIFIC_FILES) $(SHARK_SPECIFIC_FILES)
200Src_Files_EXCLUDE/ZERO      := $(COMPILER1_SPECIFIC_FILES) $(COMPILER2_SPECIFIC_FILES) $(SHARK_SPECIFIC_FILES) ciTypeFlow.cpp
201Src_Files_EXCLUDE/SHARK     := $(COMPILER1_SPECIFIC_FILES) $(COMPILER2_SPECIFIC_FILES) $(ZERO_SPECIFIC_FILES)
202
203Src_Files_EXCLUDE +=  $(Src_Files_EXCLUDE/$(TYPE))
204
205# Disable ELF decoder on AIX (AIX uses XCOFF).
206Src_Files_EXCLUDE += decoder_elf.cpp elfFile.cpp elfStringTable.cpp elfSymbolTable.cpp elfFuncDescTable.cpp
207
208# Special handling of arch model.
209ifeq ($(Platform_arch_model), x86_32)
210Src_Files_EXCLUDE += \*x86_64\*
211endif
212ifeq ($(Platform_arch_model), x86_64)
213Src_Files_EXCLUDE += \*x86_32\*
214endif
215
216# Locate all source files in the given directory, excluding files in Src_Files_EXCLUDE.
217define findsrc
218	$(notdir $(shell find $(1)/. ! -name . -prune \
219		-a \( -name \*.c -o -name \*.cpp -o -name \*.s \) \
220		-a ! \( -name DUMMY $(addprefix -o -name ,$(Src_Files_EXCLUDE)) \)))
221endef
222
223Src_Files := $(foreach e,$(Src_Dirs),$(call findsrc,$(e)))
224
225Obj_Files = $(sort $(addsuffix .o,$(basename $(Src_Files))))
226
227JVM_OBJ_FILES = $(Obj_Files)
228
229vm_version.o: $(filter-out vm_version.o,$(JVM_OBJ_FILES))
230
231mapfile : $(MAPFILE) vm.def
232	rm -f $@
233	awk '{ if ($$0 ~ "INSERT VTABLE SYMBOLS HERE")	\
234                 { system ("cat vm.def"); }		\
235               else					\
236                 { print $$0 }				\
237             }' > $@ < $(MAPFILE)
238
239mapfile_reorder : mapfile $(REORDERFILE)
240	rm -f $@
241	cat $^ > $@
242
243vm.def: $(Res_Files) $(Obj_Files)
244	sh $(GAMMADIR)/make/aix/makefiles/build_vm_def.sh *.o > $@
245
246ifeq ($(JVM_VARIANT_ZEROSHARK), true)
247  STATIC_CXX = false
248else
249  ifeq ($(ZERO_LIBARCH), ppc64)
250    STATIC_CXX = false
251  else
252    STATIC_CXX = true
253  endif
254endif
255
256ifeq ($(LINK_INTO),AOUT)
257  LIBJVM.o                 =
258  LIBJVM_MAPFILE           =
259  LIBS_VM                  = $(LIBS)
260else
261  LIBJVM.o                 = $(JVM_OBJ_FILES)
262  LIBJVM_MAPFILE$(LDNOMAP) = mapfile_reorder
263  LFLAGS_VM$(LDNOMAP)      += $(MAPFLAG:FILENAME=$(LIBJVM_MAPFILE))
264# xlC_r ignores the -o= syntax
265# LFLAGS_VM                += $(SONAMEFLAG:SONAME=$(LIBJVM))
266
267  # JVM is statically linked with libgcc[_s] and libstdc++; this is needed to
268  # get around library dependency and compatibility issues. Must use gcc not
269  # g++ to link.
270  LIBS_VM                  += $(STATIC_STDCXX) $(LIBS)
271endif
272
273LINK_VM = $(LINK_LIB.CXX)
274
275# create loadmap for libjvm.so by default. Helps in diagnosing some problems.
276LFLAGS_VM += -bloadmap:libjvm.loadmap
277
278# rule for building precompiled header
279$(PRECOMPILED_HEADER):
280	$(QUIETLY) echo Generating precompiled header $@
281	$(QUIETLY) mkdir -p $(PRECOMPILED_HEADER_DIR)
282	$(QUIETLY) $(COMPILE.CXX) $(DEPFLAGS) -x c++-header $(PRECOMPILED_HEADER_SRC) -o $@ $(COMPILE_DONE)
283
284# making the library:
285
286ifneq ($(JVM_BASE_ADDR),)
287# By default shared library is linked at base address == 0. Modify the
288# linker script if JVM prefers a different base location. It can also be
289# implemented with 'prelink -r'. But 'prelink' is not (yet) available on
290# our build platform (AS-2.1).
291LD_SCRIPT = libjvm.so.lds
292$(LD_SCRIPT): $(LIBJVM_MAPFILE)
293	$(QUIETLY) {                                                \
294	  rm -rf $@;                                                \
295	  $(LINK_VM) -Wl,--verbose $(LFLAGS_VM) 2>&1             |  \
296	    sed -e '/^======/,/^======/!d'                          \
297		-e '/^======/d'                                     \
298		-e 's/0\( + SIZEOF_HEADERS\)/$(JVM_BASE_ADDR)\1/'   \
299		> $@;                                               \
300	}
301LD_SCRIPT_FLAG = -Wl,-T,$(LD_SCRIPT)
302endif
303
304# With more recent Redhat releases (or the cutting edge version Fedora), if
305# SELinux is configured to be enabled, the runtime linker will fail to apply
306# the text relocation to libjvm.so considering that it is built as a non-PIC
307# DSO. To workaround that, we run chcon to libjvm.so after it is built. See
308# details in bug 6538311.
309$(LIBJVM): $(LIBJVM.o) $(LIBJVM_MAPFILE) $(LD_SCRIPT)
310	$(QUIETLY) {                                                      \
311	    echo Linking vm...;                                           \
312	    $(LINK_LIB.CXX/PRE_HOOK)                                      \
313	    $(LINK_VM) $(LD_SCRIPT_FLAG)                                  \
314		       $(LFLAGS_VM) -o $@ $(sort $(LIBJVM.o)) $(LIBS_VM); \
315	    $(LINK_LIB.CXX/POST_HOOK)                                     \
316	    rm -f $@.1; ln -s $@ $@.1;                                    \
317	}
318# No security contexts on AIX
319#           if [ \"$(CROSS_COMPILE_ARCH)\" = \"\" ] ; then              \
320#	      if [ -x /usr/sbin/selinuxenabled ] ; then                 \
321#	        /usr/sbin/selinuxenabled;                               \
322#               if [ $$? = 0 ] ; then					\
323#		  /usr/bin/chcon -t textrel_shlib_t $@;                 \
324#		  if [ $$? != 0 ]; then                                 \
325#		    echo "ERROR: Cannot chcon $@";			\
326#		  fi							\
327#	        fi							\
328#	      fi                                                        \
329#           fi 							        \
330#	}
331
332ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1)
333  # AIX produces .debuginfo from copy of -g compiled object prior to strip
334	$(QUIETLY) $(CP) $@ $(LIBJVM_DEBUGINFO)
335#    ifeq ($(STRIP_POLICY),all_strip)
336#	$(QUIETLY) $(STRIP) $@
337#    else
338#      ifeq ($(STRIP_POLICY),min_strip)
339#	$(QUIETLY) $(STRIP) -g $@
340#      # implied else here is no stripping at all
341#      endif
342#    endif
343    ifneq ($(STRIP_POLICY),no_strip)
344      ifeq ($(ZIP_DEBUGINFO_FILES),1)
345	$(ZIPEXE) -q -y $(LIBJVM_DIZ) $(LIBJVM_DEBUGINFO)
346	$(RM) $(LIBJVM_DEBUGINFO)
347      endif
348    endif
349endif
350
351DEST_SUBDIR        = $(JDK_LIBDIR)/$(VM_SUBDIR)
352DEST_JVM           = $(DEST_SUBDIR)/$(LIBJVM)
353DEST_JVM_DEBUGINFO = $(DEST_SUBDIR)/$(LIBJVM_DEBUGINFO)
354DEST_JVM_DIZ       = $(DEST_SUBDIR)/$(LIBJVM_DIZ)
355
356install_jvm: $(LIBJVM)
357	@echo "Copying $(LIBJVM) to $(DEST_JVM)"
358	$(QUIETLY) test -f $(LIBJVM_DEBUGINFO) && \
359	    cp -f $(LIBJVM_DEBUGINFO) $(DEST_JVM_DEBUGINFO)
360	$(QUIETLY) test -f $(LIBJVM_DIZ) && \
361	    cp -f $(LIBJVM_DIZ) $(DEST_JVM_DIZ)
362	$(QUIETLY) cp -f $(LIBJVM) $(DEST_JVM) && echo "Done"
363
364#----------------------------------------------------------------------
365# Other files
366
367# Signal interposition library
368include $(MAKEFILES_DIR)/jsig.make
369
370# Serviceability agent
371include $(MAKEFILES_DIR)/saproc.make
372
373#----------------------------------------------------------------------
374
375build: $(LIBJVM) $(LAUNCHER) $(LIBJSIG) $(LIBJVM_DB) $(BUILDLIBSAPROC)
376
377install: install_jvm install_jsig install_saproc
378
379.PHONY: default build install install_jvm
380