| # |
| # Copyright (c) 2013, 2019, 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. |
| # |
| |
| # Include support files that will setup compiler flags due to the selected |
| # jvm feature set, specific file overrides, and general flags. |
| include lib/JvmFeatures.gmk |
| include lib/JvmOverrideFiles.gmk |
| include lib/JvmFlags.gmk |
| |
| # Include support files that will setup DTRACE_EXTRA_OBJECT_FILES. |
| include lib/JvmDtraceObjects.gmk |
| |
| ################################################################################ |
| # Setup compilation of the main Hotspot native library (libjvm). |
| |
| JVM_OUTPUTDIR := $(JVM_VARIANT_OUTPUTDIR)/libjvm |
| JVM_MAPFILE := $(JVM_OUTPUTDIR)/mapfile |
| |
| ################################################################################ |
| # Platform independent setup |
| |
| JVM_LDFLAGS += \ |
| $(SHARED_LIBRARY_FLAGS) \ |
| $(JVM_LDFLAGS_FEATURES) \ |
| $(EXTRA_LDFLAGS) \ |
| # |
| |
| JVM_ASFLAGS += $(EXTRA_ASFLAGS) |
| |
| JVM_LIBS += \ |
| $(JVM_LIBS_FEATURES) \ |
| # |
| |
| # These files and directories are always excluded |
| JVM_EXCLUDE_FILES += args.cc |
| JVM_EXCLUDES += adlc |
| |
| # Needed by abstract_vm_version.cpp |
| ifeq ($(call isTargetCpu, x86_64), true) |
| OPENJDK_TARGET_CPU_VM_VERSION := amd64 |
| else ifeq ($(call isTargetCpu, sparcv9), true) |
| OPENJDK_TARGET_CPU_VM_VERSION := sparc |
| else |
| OPENJDK_TARGET_CPU_VM_VERSION := $(OPENJDK_TARGET_CPU) |
| endif |
| |
| CFLAGS_VM_VERSION := \ |
| $(VERSION_CFLAGS) \ |
| -DHOTSPOT_VERSION_STRING='"$(VERSION_STRING)"' \ |
| -DDEBUG_LEVEL='"$(DEBUG_LEVEL)"' \ |
| -DHOTSPOT_BUILD_USER='"$(USERNAME)"' \ |
| -DHOTSPOT_VM_DISTRO='"$(HOTSPOT_VM_DISTRO)"' \ |
| -DCPU='"$(OPENJDK_TARGET_CPU_VM_VERSION)"' \ |
| # |
| |
| ################################################################################ |
| # Disabled warnings |
| |
| DISABLED_WARNINGS_gcc := parentheses comment unknown-pragmas address \ |
| delete-non-virtual-dtor char-subscripts array-bounds int-in-bool-context \ |
| ignored-qualifiers missing-field-initializers implicit-fallthrough \ |
| empty-body strict-overflow sequence-point maybe-uninitialized \ |
| misleading-indentation cast-function-type |
| |
| ifeq ($(call check-jvm-feature, zero), true) |
| DISABLED_WARNINGS_gcc += return-type switch clobbered |
| endif |
| |
| DISABLED_WARNINGS_clang := tautological-compare \ |
| undefined-var-template sometimes-uninitialized unknown-pragmas \ |
| delete-non-virtual-dtor missing-braces char-subscripts \ |
| ignored-qualifiers missing-field-initializers mismatched-tags |
| |
| DISABLED_WARNINGS_solstudio := labelnotused hidef w_novirtualdescr inlafteruse \ |
| unknownpragma doubunder w_enumnotused w_toomanyenumnotused \ |
| wvarhidenmem wunreachable wnoretvalue notemsource |
| |
| DISABLED_WARNINGS_xlc := tautological-compare shift-negative-value |
| |
| DISABLED_WARNINGS_microsoft := |
| |
| |
| |
| ################################################################################ |
| # Platform specific setup |
| |
| # ARM source selection |
| |
| ifeq ($(call And, $(call isTargetOs, linux) $(call isTargetCpu, arm)), true) |
| JVM_EXCLUDE_PATTERNS += arm_64 |
| |
| else ifeq ($(call And, $(call isTargetOs, linux) $(call isTargetCpu, aarch64)), true) |
| # For 64-bit arm builds, we use the 64 bit hotspot/src/cpu/arm |
| # hotspot sources if HOTSPOT_TARGET_CPU_ARCH is set to arm. |
| # Exclude the aarch64 and 32 bit arm files for this build. |
| ifeq ($(HOTSPOT_TARGET_CPU_ARCH), arm) |
| JVM_EXCLUDE_PATTERNS += arm_32 aarch64 |
| endif |
| endif |
| |
| ifeq ($(call isTargetOs, linux macosx windows), true) |
| JVM_PRECOMPILED_HEADER := $(TOPDIR)/src/hotspot/share/precompiled/precompiled.hpp |
| endif |
| |
| ifeq ($(call isTargetCpu, x86), true) |
| JVM_EXCLUDE_PATTERNS += x86_64 |
| else ifeq ($(call isTargetCpu, x86_64), true) |
| JVM_EXCLUDE_PATTERNS += x86_32 |
| endif |
| |
| # Inline assembly for solaris |
| ifeq ($(call isTargetOs, solaris), true) |
| ifeq ($(call isTargetCpu, x86_64), true) |
| JVM_CFLAGS += $(TOPDIR)/src/hotspot/os_cpu/solaris_x86/solaris_x86_64.il |
| else ifeq ($(call isTargetCpu, sparcv9), true) |
| JVM_CFLAGS += $(TOPDIR)/src/hotspot/os_cpu/solaris_sparc/solaris_sparc.il |
| endif |
| # Exclude warnings in devstudio 12.6 |
| ifeq ($(CC_VERSION_NUMBER), 5.15) |
| DISABLED_WARNINGS_solstudio += SEC_ARR_OUTSIDE_BOUND_READ \ |
| SEC_ARR_OUTSIDE_BOUND_WRITE |
| endif |
| endif |
| |
| ifeq ($(call And, $(call isTargetOs, solaris) $(call isTargetCpu, sparcv9)), true) |
| ifeq ($(COMPILE_WITH_DEBUG_SYMBOLS), false) |
| # NOTE: In the old build, we weirdly enough set -g/-g0 always, regardless |
| # of if debug symbols were needed. Without it, compilation fails on |
| # sparc! :-( |
| JVM_CFLAGS += -g0 |
| endif |
| endif |
| |
| ifeq ($(call isTargetOs, windows), true) |
| ifeq ($(call isTargetCpuBits, 64), true) |
| RC_DESC := 64-Bit$(SPACE) |
| endif |
| JVM_RCFLAGS += -D"HS_FILEDESC=$(HOTSPOT_VM_DISTRO) $(RC_DESC)$(JVM_VARIANT) VM" |
| endif |
| |
| JVM_OPTIMIZATION ?= HIGHEST_JVM |
| |
| # Need to set JVM_STRIPFLAGS to the default value from SPEC since the STRIPFLAGS |
| # parameter to SetupNativeCompilation allows an empty value to override the |
| # default. |
| JVM_STRIPFLAGS ?= $(STRIPFLAGS) |
| |
| # This source set is reused so save in cache. |
| $(call FillFindCache, $(JVM_SRC_DIRS)) |
| |
| ################################################################################ |
| # Now set up the actual compilation of the main hotspot native library |
| |
| $(eval $(call SetupNativeCompilation, BUILD_LIBJVM, \ |
| NAME := jvm, \ |
| TOOLCHAIN := TOOLCHAIN_LINK_CXX, \ |
| OUTPUT_DIR := $(JVM_LIB_OUTPUTDIR), \ |
| SRC := $(JVM_SRC_DIRS), \ |
| EXCLUDES := $(JVM_EXCLUDES), \ |
| EXCLUDE_FILES := $(JVM_EXCLUDE_FILES), \ |
| EXCLUDE_PATTERNS := $(JVM_EXCLUDE_PATTERNS), \ |
| EXTRA_OBJECT_FILES := $(DTRACE_EXTRA_OBJECT_FILES), \ |
| CFLAGS := $(JVM_CFLAGS), \ |
| abstract_vm_version.cpp_CXXFLAGS := $(CFLAGS_VM_VERSION), \ |
| arguments.cpp_CXXFLAGS := $(CFLAGS_VM_VERSION), \ |
| DISABLED_WARNINGS_gcc := $(DISABLED_WARNINGS_gcc), \ |
| DISABLED_WARNINGS_clang := $(DISABLED_WARNINGS_clang), \ |
| DISABLED_WARNINGS_solstudio := $(DISABLED_WARNINGS_solstudio), \ |
| DISABLED_WARNINGS_xlc := $(DISABLED_WARNINGS_xlc), \ |
| DISABLED_WARNINGS_microsoft := $(DISABLED_WARNINGS_microsoft), \ |
| ASFLAGS := $(JVM_ASFLAGS), \ |
| LDFLAGS := $(JVM_LDFLAGS), \ |
| LIBS := $(JVM_LIBS), \ |
| OPTIMIZATION := $(JVM_OPTIMIZATION), \ |
| OBJECT_DIR := $(JVM_OUTPUTDIR)/objs, \ |
| MAPFILE := $(JVM_MAPFILE), \ |
| USE_MAPFILE_FOR_SYMBOLS := true, \ |
| STRIPFLAGS := $(JVM_STRIPFLAGS), \ |
| EMBED_MANIFEST := true, \ |
| RC_FLAGS := $(JVM_RCFLAGS), \ |
| VERSIONINFO_RESOURCE := $(TOPDIR)/src/hotspot/os/windows/version.rc, \ |
| PRECOMPILED_HEADER := $(JVM_PRECOMPILED_HEADER), \ |
| PRECOMPILED_HEADER_EXCLUDE := $(JVM_PRECOMPILED_HEADER_EXCLUDE), \ |
| DEFINE_THIS_FILE := false, \ |
| )) |
| |
| # Always recompile abstract_vm_version.cpp if libjvm needs to be relinked. This ensures |
| # that the internal vm version is updated as it relies on __DATE__ and __TIME__ |
| # macros. |
| ABSTRACT_VM_VERSION_OBJ := $(JVM_OUTPUTDIR)/objs/abstract_vm_version$(OBJ_SUFFIX) |
| $(ABSTRACT_VM_VERSION_OBJ): $(filter-out $(ABSTRACT_VM_VERSION_OBJ) $(JVM_MAPFILE), \ |
| $(BUILD_LIBJVM_TARGET_DEPS)) |
| |
| ifneq ($(GENERATE_COMPILE_COMMANDS_ONLY), true) |
| ifeq ($(call isTargetOs, windows), true) |
| # It doesn't matter which jvm.lib file gets exported, but we need |
| # to pick just one. |
| ifeq ($(JVM_VARIANT), $(JVM_VARIANT_MAIN)) |
| $(eval $(call SetupCopyFiles, COPY_JVM_LIB, \ |
| DEST := $(LIB_OUTPUTDIR), \ |
| FILES :=$(BUILD_LIBJVM_IMPORT_LIBRARY), \ |
| )) |
| TARGETS += $(COPY_JVM_LIB) |
| endif |
| endif |
| endif |
| |
| # AIX warning explanation: |
| # 1500-010 : (W) WARNING in ...: Infinite loop. Program may not stop. |
| # There are several infinite loops in the vm, so better suppress. |
| # 1540-0198 : (W) The omitted keyword "private" is assumed for base class "...". |
| # 1540-0216 : (W) An expression of type .. cannot be converted to type .. |
| # In hotspot this fires for functionpointer to pointer conversions |
| # 1540-1088 : (W) The exception specification is being ignored. |
| # In hotspot this is caused by throw() in declaration of new() in nmethod.hpp. |
| # 1540-1090 : (I) The destructor of "..." might not be called. |
| # 1540-1639 : (I) The behavior of long type bit fields has changed ... |
| |
| # Include mapfile generation. It relies on BUILD_LIBJVM_ALL_OBJS which is only |
| # defined after the above call to BUILD_LIBJVM. Mapfile will be generated |
| # after all object files are built, but before the jvm library is linked. |
| include lib/JvmMapfile.gmk |
| |
| TARGETS += $(BUILD_LIBJVM) |
| |
| ################################################################################ |
| # Hotspot disallows the use of global operators 'new' and 'delete'. This build |
| # time check helps enforce this requirement. If you trigger this check and the |
| # reference is not obvious from the source, GNU objdump can be used to help find |
| # the reference if compiled with GCC: |
| # |
| # objdump -lrdSC <path/to/file.o> |
| # |
| # -C demangle |
| # -d disassemble |
| # -r print relocation entries, interspersed with the disassembly |
| # -S print source code, intermixed with disassembly |
| # -l include filenames and line numbers |
| # |
| # Search the output for the operator(s) of interest, to see where they are |
| # referenced. |
| # |
| # When a reference to the global 'operator delete' is reported, it might be |
| # due to a "deleting destructor". In this case, objdump may show the |
| # reference to be associated with but not actually in a destructor. A |
| # deleting destructor is automatically generated for a class whose destructor |
| # is virtual. A deleting destructor requires an accessible 'operator delete' |
| # for the associated class. If the class doesn't provide a more specific |
| # declaration (either directly or by inheriting from a class that provides |
| # one) then the global definition will be used, triggering this check. |
| |
| ifneq ($(GENERATE_COMPILE_COMMANDS_ONLY), true) |
| ifneq ($(filter $(TOOLCHAIN_TYPE), gcc clang solstudio), ) |
| |
| DEMANGLED_REGEXP := [^:]operator (new|delete) |
| |
| # Running c++filt to find offending symbols in all files is too expensive, |
| # especially on Solaris, so use mangled names when looking for symbols. |
| # Save the demangling for when something is actually found. |
| ifeq ($(TOOLCHAIN_TYPE), solstudio) |
| MANGLED_SYMS := \ |
| __1c2n6FL_pv_ \ |
| __1c2N6FL_pv_ \ |
| __1c2k6Fpv_v_ \ |
| __1c2K6Fpv_v_ \ |
| # |
| UNDEF_PATTERN := UNDEF |
| else |
| MANGLED_SYMS := \ |
| _ZdaPv \ |
| _ZdlPv \ |
| _Znam \ |
| _Znwm \ |
| # |
| UNDEF_PATTERN := ' U ' |
| endif |
| |
| define SetupOperatorNewDeleteCheck |
| $1.op_check: $1 |
| if [ -n "`$(NM) $$< | $(GREP) $(addprefix -e , $(MANGLED_SYMS)) \ |
| | $(GREP) $(UNDEF_PATTERN)`" ]; then \ |
| $(ECHO) "$$<: Error: Use of global operators new and delete is not allowed in Hotspot:"; \ |
| $(NM) $$< | $(CXXFILT) | $(EGREP) '$(DEMANGLED_REGEXP)' | $(GREP) $(UNDEF_PATTERN); \ |
| $(ECHO) "See: $(TOPDIR)/make/hotspot/lib/CompileJvm.gmk"; \ |
| exit 1; \ |
| fi |
| $(TOUCH) $$@ |
| |
| TARGETS += $1.op_check |
| endef |
| |
| $(foreach o, $(BUILD_LIBJVM_ALL_OBJS), $(eval $(call SetupOperatorNewDeleteCheck,$o))) |
| endif |
| endif |