1 # 2 # Copyright (c) 2013, 2018, 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 # Include support files that will setup compiler flags due to the selected 27 # jvm feature set, and specific file overrides. 28 include lib/JvmFeatures.gmk 29 include lib/JvmOverrideFiles.gmk 30 31 $(eval $(call IncludeCustomExtension, hotspot/lib/CompileJvm.gmk)) 32 33 ################################################################################ 34 # Setup compilation of the main Hotspot native library (libjvm). 35 36 JVM_OUTPUTDIR := $(JVM_VARIANT_OUTPUTDIR)/libjvm 37 JVM_MAPFILE := $(JVM_OUTPUTDIR)/mapfile 38 39 ################################################################################ 40 # Platform independent setup 41 42 # This variable may be added to by a custom extension 43 JVM_SRC_ROOTS += $(TOPDIR)/src/hotspot 44 45 JVM_SRC_DIRS += $(call uniq, $(wildcard $(foreach d, $(JVM_SRC_ROOTS), \ 46 $d/share \ 47 $d/os/$(HOTSPOT_TARGET_OS) \ 48 $d/os/$(HOTSPOT_TARGET_OS_TYPE) \ 49 $d/cpu/$(HOTSPOT_TARGET_CPU_ARCH) \ 50 $d/os_cpu/$(HOTSPOT_TARGET_OS)_$(HOTSPOT_TARGET_CPU_ARCH) \ 51 ))) \ 52 $(JVM_VARIANT_OUTPUTDIR)/gensrc/jvmtifiles \ 53 $(JVM_VARIANT_OUTPUTDIR)/gensrc/tracefiles \ 54 # 55 56 JVM_CFLAGS_INCLUDES += \ 57 $(patsubst %,-I%,$(filter-out $(JVM_VARIANT_OUTPUTDIR)/gensrc/%, $(JVM_SRC_DIRS))) \ 58 -I$(JVM_VARIANT_OUTPUTDIR)/gensrc \ 59 -I$(TOPDIR)/src/hotspot/share/precompiled \ 60 -I$(TOPDIR)/src/hotspot/share/include \ 61 -I$(TOPDIR)/src/hotspot/os/$(HOTSPOT_TARGET_OS_TYPE)/include \ 62 -I$(SUPPORT_OUTPUTDIR)/modules_include/java.base \ 63 -I$(SUPPORT_OUTPUTDIR)/modules_include/java.base/$(OPENJDK_TARGET_OS_INCLUDE_SUBDIR) \ 64 -I$(TOPDIR)/src/java.base/share/native/libjimage \ 65 # 66 67 # INCLUDE_SUFFIX_* is only meant for including the proper 68 # platform files. Don't use it to guard code. Use the value of 69 # HOTSPOT_TARGET_CPU_DEFINE etc. instead. 70 # Remaining TARGET_ARCH_* is needed to select the cpu specific 71 # sources for 64-bit ARM ports (arm versus aarch64). 72 JVM_CFLAGS_TARGET_DEFINES += \ 73 -DTARGET_ARCH_$(HOTSPOT_TARGET_CPU_ARCH) \ 74 -DINCLUDE_SUFFIX_OS=_$(HOTSPOT_TARGET_OS) \ 75 -DINCLUDE_SUFFIX_CPU=_$(HOTSPOT_TARGET_CPU_ARCH) \ 76 -DINCLUDE_SUFFIX_COMPILER=_$(HOTSPOT_TOOLCHAIN_TYPE) \ 77 -DTARGET_COMPILER_$(HOTSPOT_TOOLCHAIN_TYPE) \ 78 -D$(HOTSPOT_TARGET_CPU_DEFINE) \ 79 -DHOTSPOT_LIB_ARCH='"$(OPENJDK_TARGET_CPU_LEGACY_LIB)"' \ 80 # 81 82 ifeq ($(DEBUG_LEVEL), release) 83 # For hotspot, release builds differ internally between "optimized" and "product" 84 # in that "optimize" does not define PRODUCT. 85 ifneq ($(HOTSPOT_DEBUG_LEVEL), optimized) 86 JVM_CFLAGS_DEBUGLEVEL := -DPRODUCT 87 endif 88 else ifeq ($(DEBUG_LEVEL), fastdebug) 89 JVM_CFLAGS_DEBUGLEVEL := -DASSERT 90 ifeq ($(filter $(OPENJDK_TARGET_OS), windows aix), ) 91 # NOTE: Old build did not define CHECK_UNHANDLED_OOPS on Windows and AIX. 92 JVM_CFLAGS_DEBUGLEVEL += -DCHECK_UNHANDLED_OOPS 93 endif 94 else ifeq ($(DEBUG_LEVEL), slowdebug) 95 # _NMT_NOINLINE_ informs NMT that no inlining is done by the compiler 96 JVM_CFLAGS_DEBUGLEVEL := -DASSERT -D_NMT_NOINLINE_ 97 endif 98 99 JVM_CFLAGS += \ 100 $(JVM_CFLAGS_DEBUGLEVEL) \ 101 $(JVM_CFLAGS_TARGET_DEFINES) \ 102 $(JVM_CFLAGS_FEATURES) \ 103 $(JVM_CFLAGS_INCLUDES) \ 104 $(EXTRA_CFLAGS) \ 105 # 106 107 JVM_LDFLAGS += \ 108 $(SHARED_LIBRARY_FLAGS) \ 109 $(JVM_LDFLAGS_FEATURES) \ 110 $(EXTRA_LDFLAGS) \ 111 # 112 113 JVM_LIBS += \ 114 $(JVM_LIBS_FEATURES) \ 115 # 116 117 # These files and directories are always excluded 118 JVM_EXCLUDE_FILES += args.cc 119 JVM_EXCLUDES += adlc 120 121 # Needed by vm_version.cpp 122 ifeq ($(OPENJDK_TARGET_CPU), x86_64) 123 OPENJDK_TARGET_CPU_VM_VERSION := amd64 124 else ifeq ($(OPENJDK_TARGET_CPU), sparcv9) 125 OPENJDK_TARGET_CPU_VM_VERSION := sparc 126 else ifeq ($(HOTSPOT_TARGET_CPU_ARCH), arm) 127 ifeq ($(OPENJDK_TARGET_CPU), aarch64) 128 # This sets the Oracle Aarch64 port to use arm64 129 # while the original Aarch64 port uses aarch64 130 OPENJDK_TARGET_CPU_VM_VERSION := arm64 131 endif 132 else 133 OPENJDK_TARGET_CPU_VM_VERSION := $(OPENJDK_TARGET_CPU) 134 endif 135 136 CFLAGS_VM_VERSION := \ 137 $(VERSION_CFLAGS) \ 138 -DHOTSPOT_VERSION_STRING='"$(VERSION_STRING)"' \ 139 -DDEBUG_LEVEL='"$(DEBUG_LEVEL)"' \ 140 -DHOTSPOT_BUILD_USER='"$(USERNAME)"' \ 141 -DHOTSPOT_VM_DISTRO='"$(HOTSPOT_VM_DISTRO)"' \ 142 -DCPU='"$(OPENJDK_TARGET_CPU_VM_VERSION)"' \ 143 # 144 145 # -DDONT_USE_PRECOMPILED_HEADER will exclude all includes in precompiled.hpp. 146 ifeq ($(USE_PRECOMPILED_HEADER), false) 147 JVM_CFLAGS += -DDONT_USE_PRECOMPILED_HEADER 148 endif 149 150 ################################################################################ 151 # Platform specific setup 152 153 # ARM source selection 154 155 ifeq ($(OPENJDK_TARGET_OS)-$(OPENJDK_TARGET_CPU), linux-arm) 156 JVM_EXCLUDE_PATTERNS += arm_64 157 158 else ifeq ($(OPENJDK_TARGET_OS)-$(OPENJDK_TARGET_CPU), linux-aarch64) 159 # For 64-bit arm builds, we use the 64 bit hotspot/src/cpu/arm 160 # hotspot sources if HOTSPOT_TARGET_CPU_ARCH is set to arm. 161 # Exclude the aarch64 and 32 bit arm files for this build. 162 ifeq ($(HOTSPOT_TARGET_CPU_ARCH), arm) 163 JVM_EXCLUDE_PATTERNS += arm_32 aarch64 164 endif 165 endif 166 167 ifneq ($(filter $(OPENJDK_TARGET_OS), linux macosx windows), ) 168 JVM_PRECOMPILED_HEADER := $(TOPDIR)/src/hotspot/share/precompiled/precompiled.hpp 169 endif 170 171 ifeq ($(OPENJDK_TARGET_CPU), x86) 172 JVM_EXCLUDE_PATTERNS += x86_64 173 else ifeq ($(OPENJDK_TARGET_CPU), x86_64) 174 JVM_EXCLUDE_PATTERNS += x86_32 175 endif 176 177 # Inline assembly for solaris 178 ifeq ($(OPENJDK_TARGET_OS), solaris) 179 ifeq ($(OPENJDK_TARGET_CPU), x86_64) 180 JVM_CFLAGS += $(TOPDIR)/src/hotspot/os_cpu/solaris_x86/solaris_x86_64.il 181 else ifeq ($(OPENJDK_TARGET_CPU), sparcv9) 182 JVM_CFLAGS += $(TOPDIR)/src/hotspot/os_cpu/solaris_sparc/solaris_sparc.il 183 endif 184 # Exclude warnings in devstudio 12.6 185 ifeq ($(CC_VERSION_NUMBER), 5.15) 186 DISABLED_WARNINGS_solstudio := SEC_ARR_OUTSIDE_BOUND_READ \ 187 SEC_ARR_OUTSIDE_BOUND_WRITE 188 endif 189 endif 190 191 ifeq ($(OPENJDK_TARGET_OS)-$(OPENJDK_TARGET_CPU), solaris-sparcv9) 192 ifeq ($(COMPILE_WITH_DEBUG_SYMBOLS), false) 193 # NOTE: In the old build, we weirdly enough set -g/-g0 always, regardless 194 # of if debug symbols were needed. Without it, compilation fails on 195 # sparc! :-( 196 JVM_CFLAGS += -g0 197 endif 198 endif 199 200 ifeq ($(OPENJDK_TARGET_OS), windows) 201 ifeq ($(OPENJDK_TARGET_CPU_BITS), 64) 202 RC_DESC := 64-Bit$(SPACE) 203 endif 204 JVM_RCFLAGS += -D"HS_FILEDESC=$(HOTSPOT_VM_DISTRO) $(RC_DESC)$(JVM_VARIANT) VM" 205 endif 206 207 JVM_OPTIMIZATION ?= HIGHEST_JVM 208 209 # Need to set JVM_STRIPFLAGS to the default value from SPEC since the STRIPFLAGS 210 # parameter to SetupNativeCompilation allows an empty value to override the 211 # default. 212 JVM_STRIPFLAGS ?= $(STRIPFLAGS) 213 214 ################################################################################ 215 # Now set up the actual compilation of the main hotspot native library 216 217 $(eval $(call SetupNativeCompilation, BUILD_LIBJVM, \ 218 NAME := jvm, \ 219 TOOLCHAIN := TOOLCHAIN_LINK_CXX, \ 220 OUTPUT_DIR := $(JVM_LIB_OUTPUTDIR), \ 221 SRC := $(JVM_SRC_DIRS), \ 222 EXTRA_FILES := $(DTRACE_EXTRA_SOURCE_FILES), \ 223 EXCLUDES := $(JVM_EXCLUDES), \ 224 EXCLUDE_FILES := $(JVM_EXCLUDE_FILES), \ 225 EXCLUDE_PATTERNS := $(JVM_EXCLUDE_PATTERNS), \ 226 EXTRA_OBJECT_FILES := $(DTRACE_EXTRA_OBJECT_FILES), \ 227 CFLAGS := $(JVM_CFLAGS), \ 228 vm_version.cpp_CXXFLAGS := $(CFLAGS_VM_VERSION), \ 229 arguments.cpp_CXXFLAGS := $(CFLAGS_VM_VERSION), \ 230 DISABLED_WARNINGS_clang := tautological-compare, \ 231 DISABLED_WARNINGS_solstudio := $(DISABLED_WARNINGS_solstudio), \ 232 DISABLED_WARNINGS_xlc := 1540-0216 1540-0198 1540-1090 1540-1639 \ 233 1540-1088 1500-010, \ 234 ASFLAGS := $(JVM_ASFLAGS), \ 235 LDFLAGS := $(JVM_LDFLAGS), \ 236 LIBS := $(JVM_LIBS), \ 237 OPTIMIZATION := $(JVM_OPTIMIZATION), \ 238 OBJECT_DIR := $(JVM_OUTPUTDIR)/objs, \ 239 MAPFILE := $(JVM_MAPFILE), \ 240 USE_MAPFILE_FOR_SYMBOLS := true, \ 241 STRIPFLAGS := $(JVM_STRIPFLAGS), \ 242 EMBED_MANIFEST := true, \ 243 RC_FLAGS := $(JVM_RCFLAGS), \ 244 VERSIONINFO_RESOURCE := $(TOPDIR)/src/hotspot/os/windows/version.rc, \ 245 PRECOMPILED_HEADER := $(JVM_PRECOMPILED_HEADER), \ 246 PRECOMPILED_HEADER_EXCLUDE := $(JVM_PRECOMPILED_HEADER_EXCLUDE), \ 247 )) 248 249 ifeq ($(OPENJDK_TARGET_OS), windows) 250 # It doesn't matter which jvm.lib file gets exported, but we need 251 # to pick just one. 252 ifeq ($(JVM_VARIANT), $(JVM_VARIANT_MAIN)) 253 $(eval $(call SetupCopyFiles, COPY_JVM_LIB, \ 254 DEST := $(LIB_OUTPUTDIR), \ 255 FILES :=$(BUILD_LIBJVM_IMPORT_LIBRARY), \ 256 )) 257 TARGETS += $(COPY_JVM_LIB) 258 endif 259 endif 260 261 # AIX warning explanation: 262 # 1500-010 : (W) WARNING in ...: Infinite loop. Program may not stop. 263 # There are several infinite loops in the vm, so better suppress. 264 # 1540-0198 : (W) The omitted keyword "private" is assumed for base class "...". 265 # 1540-0216 : (W) An expression of type .. cannot be converted to type .. 266 # In hotspot this fires for functionpointer to pointer conversions 267 # 1540-1088 : (W) The exception specification is being ignored. 268 # In hotspot this is caused by throw() in declaration of new() in nmethod.hpp. 269 # 1540-1090 : (I) The destructor of "..." might not be called. 270 # 1540-1639 : (I) The behavior of long type bit fields has changed ... 271 272 # Include mapfile generation. It relies on BUILD_LIBJVM_ALL_OBJS which is only 273 # defined after the above call to BUILD_LIBJVM. Mapfile will be generated 274 # after all object files are built, but before the jvm library is linked. 275 include lib/JvmMapfile.gmk 276 277 TARGETS += $(BUILD_LIBJVM) 278 279 ################################################################################ 280 # Hotspot disallows the use of global operators 'new' and 'delete'. This build 281 # time check helps enforce this requirement. If you trigger this check and the 282 # reference is not obvious from the source, GNU objdump can be used to help find 283 # the reference if compiled with GCC: 284 # 285 # objdump -lrdSC <path/to/file.o> 286 # 287 # -C demangle 288 # -d disassemble 289 # -r print relocation entries, interspersed with the disassembly 290 # -S print source code, intermixed with disassembly 291 # -l include filenames and line numbers 292 # 293 # Search the output for the operator(s) of interest, to see where they are 294 # referenced. 295 296 ifneq ($(filter $(TOOLCHAIN_TYPE), gcc clang solstudio), ) 297 298 DEMANGLED_REGEXP := [^:]operator (new|delete) 299 300 # Running c++filt to find offending symbols in all files is too expensive, 301 # especially on Solaris, so use mangled names when looking for symbols. 302 # Save the demangling for when something is actually found. 303 ifeq ($(TOOLCHAIN_TYPE), solstudio) 304 MANGLED_SYMS := \ 305 __1c2n6FL_pv_ \ 306 __1c2N6FL_pv_ \ 307 __1c2k6Fpv_v_ \ 308 __1c2K6Fpv_v_ \ 309 # 310 UNDEF_PATTERN := UNDEF 311 else 312 MANGLED_SYMS := \ 313 _ZdaPv \ 314 _ZdlPv \ 315 _Znam \ 316 _Znwm \ 317 # 318 UNDEF_PATTERN := ' U ' 319 endif 320 321 define SetupOperatorNewDeleteCheck 322 $1.op_check: $1 323 if [ -n "`$(NM) $$< | $(GREP) $(addprefix -e , $(MANGLED_SYMS)) \ 324 | $(GREP) $(UNDEF_PATTERN)`" ]; then \ 325 $(ECHO) "$$<: Error: Use of global operators new and delete is not allowed in Hotspot:"; \ 326 $(NM) $$< | $(CXXFILT) | $(EGREP) '$(DEMANGLED_REGEXP)' | $(GREP) $(UNDEF_PATTERN); \ 327 $(ECHO) "See: $(TOPDIR)/make/hotspot/lib/CompileJvm.gmk"; \ 328 exit 1; \ 329 fi 330 $(TOUCH) $$@ 331 332 TARGETS += $1.op_check 333 endef 334 335 $(foreach o, $(BUILD_LIBJVM_ALL_OBJS), $(eval $(call SetupOperatorNewDeleteCheck,$o))) 336 endif