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#
# Copyright (c) 2013, 2022, 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.
#
$(eval $(call IncludeCustomExtension, hotspot/gensrc/GensrcAdlc.gmk))
ifeq ($(call check-jvm-feature, compiler2), true)
ADLC_SUPPORT_DIR := $(JVM_SUPPORT_DIR)/adlc
##############################################################################
# Build the ad compiler (the adlc build tool)
# Flags depending on the build platform/tool chain
# NOTE: No optimization or debug flags set here
ifeq ($(call isBuildOs, linux), true)
ADLC_CFLAGS := -fno-exceptions -DLINUX
else ifeq ($(call isBuildOs, aix), true)
ADLC_LDFLAGS += -q64
ADLC_CFLAGS := -qnortti -qeh -q64 -DAIX
else ifeq ($(call isBuildOs, windows), true)
ADLC_LDFLAGS += -nologo
ADLC_CFLAGS := -nologo -EHsc
ADLC_CFLAGS_WARNINGS := -W3 -D_CRT_SECURE_NO_WARNINGS
endif
# Set the C++ standard
ADLC_CFLAGS += $(ADLC_LANGSTD_CXXFLAG)
# NOTE: The old build didn't set -DASSERT for windows but it doesn't seem to
# hurt.
ADLC_CFLAGS += -DASSERT
ADLC_CFLAGS += -D$(HOTSPOT_TARGET_CPU_DEFINE)
ADLC_CFLAGS += -I$(TOPDIR)/src/hotspot/share
# Add file macro mappings
ADLC_CFLAGS += $(FILE_MACRO_CFLAGS)
$(eval $(call SetupNativeCompilation, BUILD_ADLC, \
NAME := adlc, \
TYPE := EXECUTABLE, \
TOOLCHAIN := TOOLCHAIN_BUILD_LINK_CXX, \
SRC := $(TOPDIR)/src/hotspot/share/adlc, \
EXTRA_FILES := $(TOPDIR)/src/hotspot/share/opto/opcodes.cpp, \
CFLAGS := $(ADLC_CFLAGS) $(ADLC_CFLAGS_WARNINGS), \
LDFLAGS := $(ADLC_LDFLAGS), \
LIBS := $(ADLC_LIBS), \
OBJECT_DIR := $(JVM_VARIANT_OUTPUTDIR)/tools/adlc/objs, \
OUTPUT_DIR := $(JVM_VARIANT_OUTPUTDIR)/tools/adlc, \
DEBUG_SYMBOLS := false, \
DISABLED_WARNINGS_clang := tautological-compare, \
))
ADLC_TOOL := $(BUILD_ADLC_TARGET)
##############################################################################
# Transform the ad source files into C++ source files using adlc
# Setup flags for the adlc build tool (ADLCFLAGS).
ADLCFLAGS += -q -T
# ADLC flags depending on target OS
ifeq ($(call isTargetOs, linux), true)
ADLCFLAGS += -DLINUX=1 -D_GNU_SOURCE=1
else ifeq ($(call isTargetOs, aix), true)
ADLCFLAGS += -DAIX=1
else ifeq ($(call isTargetOs, macosx), true)
ADLCFLAGS += -D_ALLBSD_SOURCE=1 -D_GNU_SOURCE=1
ifeq ($(HOTSPOT_TARGET_CPU_ARCH), aarch64)
ADLCFLAGS += -DR18_RESERVED
endif
else ifeq ($(call isTargetOs, windows), true)
ifeq ($(call isTargetCpuBits, 64), true)
ADLCFLAGS += -D_WIN64=1
endif
ifeq ($(HOTSPOT_TARGET_CPU_ARCH), aarch64)
ADLCFLAGS += -DR18_RESERVED
endif
endif
ifeq ($(call isTargetOs, windows), false)
# NOTE: Windows adlc flags was different in the old build. Is this really
# correct?
# -g makes #line directives in the generated C++ files.
ADLCFLAGS += -g
ADLCFLAGS += -D$(HOTSPOT_TARGET_CPU_DEFINE)=1
endif
# This generates checks in the generated C++ files that _LP64 is correctly
# (un)defined when compiling them.
ifeq ($(call isTargetCpuBits, 64), true)
ADLCFLAGS += -D_LP64=1
else
ADLCFLAGS += -U_LP64
endif
ifeq ($(HOTSPOT_TARGET_CPU_ARCH), arm)
ADLCFLAGS += -DARM=1
endif
##############################################################################
# Concatenate all ad source files into a single file, which will be fed to
# adlc. Also include a #line directive at the start of every included file
# (after the initial header block), stating the original source file name.
#
# Normally, debugging is done directly on the ad_<arch>*.cpp files, but the
# #line directives in those files will be pointing back to <arch>.ad.
# AD_SRC_ROOTS might have been added to by a custom extension
AD_SRC_ROOTS += $(TOPDIR)/src/hotspot
AD_SRC_FILES := $(call uniq, $(wildcard $(foreach d, $(AD_SRC_ROOTS), \
$d/cpu/$(HOTSPOT_TARGET_CPU_ARCH)/$(HOTSPOT_TARGET_CPU).ad \
$d/cpu/$(HOTSPOT_TARGET_CPU_ARCH)/$(HOTSPOT_TARGET_CPU_ARCH).ad \
$d/os_cpu/$(HOTSPOT_TARGET_OS)_$(HOTSPOT_TARGET_CPU_ARCH)/$(HOTSPOT_TARGET_OS)_$(HOTSPOT_TARGET_CPU_ARCH).ad \
)))
ifeq ($(HOTSPOT_TARGET_CPU_ARCH), aarch64)
AD_SRC_FILES += $(call uniq, $(wildcard $(foreach d, $(AD_SRC_ROOTS), \
$d/cpu/$(HOTSPOT_TARGET_CPU_ARCH)/$(HOTSPOT_TARGET_CPU_ARCH)_vector.ad \
)))
endif
ifeq ($(HOTSPOT_TARGET_CPU_ARCH), riscv)
AD_SRC_FILES += $(call uniq, $(wildcard $(foreach d, $(AD_SRC_ROOTS), \
$d/cpu/$(HOTSPOT_TARGET_CPU_ARCH)/$(HOTSPOT_TARGET_CPU_ARCH)_v.ad \
$d/cpu/$(HOTSPOT_TARGET_CPU_ARCH)/$(HOTSPOT_TARGET_CPU_ARCH)_b.ad \
)))
endif
ifeq ($(call check-jvm-feature, shenandoahgc), true)
AD_SRC_FILES += $(call uniq, $(wildcard $(foreach d, $(AD_SRC_ROOTS), \
$d/cpu/$(HOTSPOT_TARGET_CPU_ARCH)/gc/shenandoah/shenandoah_$(HOTSPOT_TARGET_CPU).ad \
$d/cpu/$(HOTSPOT_TARGET_CPU_ARCH)/gc/shenandoah/shenandoah_$(HOTSPOT_TARGET_CPU_ARCH).ad \
)))
endif
ifeq ($(call check-jvm-feature, zgc), true)
AD_SRC_FILES += $(call uniq, $(wildcard $(foreach d, $(AD_SRC_ROOTS), \
$d/cpu/$(HOTSPOT_TARGET_CPU_ARCH)/gc/z/z_$(HOTSPOT_TARGET_CPU).ad \
$d/cpu/$(HOTSPOT_TARGET_CPU_ARCH)/gc/z/z_$(HOTSPOT_TARGET_CPU_ARCH).ad \
)))
endif
SINGLE_AD_SRCFILE := $(ADLC_SUPPORT_DIR)/all-ad-src.ad
INSERT_FILENAME_AWK_SCRIPT := \
'{ \
if (CUR_FN != FILENAME) { CUR_FN=FILENAME; NR_BASE=NR-1; need_lineno=1 } \
if (need_lineno && $$0 !~ /\/\//) \
{ print "\n\n\#line " (NR-NR_BASE) " \"" FILENAME "\""; need_lineno=0 }; \
print \
}'
$(SINGLE_AD_SRCFILE): $(AD_SRC_FILES)
$(call LogInfo, Preprocessing adlc files $(^F))
$(call MakeDir, $(@D))
$(AWK) $(INSERT_FILENAME_AWK_SCRIPT) $^ > $@
##############################################################################
# Run the adlc tool on the single concatenated ad source file, and store the
# output in support/adlc for further processing.
$(eval $(call SetupExecute, adlc_run, \
INFO := Generating adlc files, \
DEPS := $(BUILD_ADLC) $(SINGLE_AD_SRCFILE), \
OUTPUT_DIR := $(ADLC_SUPPORT_DIR), \
COMMAND := $(FIXPATH) $(ADLC_TOOL) $(ADLCFLAGS) $(SINGLE_AD_SRCFILE) \
-c$(ADLC_SUPPORT_DIR)/ad_$(HOTSPOT_TARGET_CPU_ARCH).cpp \
-h$(ADLC_SUPPORT_DIR)/ad_$(HOTSPOT_TARGET_CPU_ARCH).hpp \
-a$(ADLC_SUPPORT_DIR)/dfa_$(HOTSPOT_TARGET_CPU_ARCH).cpp \
-v$(ADLC_SUPPORT_DIR)/adGlobals_$(HOTSPOT_TARGET_CPU_ARCH).hpp, \
))
##############################################################################
# Finally copy the generated files from support/adlc into gensrc/adfiles,
# and postprocess them by fixing dummy #line directives.
ADLC_GENERATED_FILES := $(addprefix $(JVM_VARIANT_OUTPUTDIR)/gensrc/adfiles/, \
ad_$(HOTSPOT_TARGET_CPU_ARCH).cpp \
ad_$(HOTSPOT_TARGET_CPU_ARCH).hpp \
ad_$(HOTSPOT_TARGET_CPU_ARCH)_clone.cpp \
ad_$(HOTSPOT_TARGET_CPU_ARCH)_expand.cpp \
ad_$(HOTSPOT_TARGET_CPU_ARCH)_format.cpp \
ad_$(HOTSPOT_TARGET_CPU_ARCH)_gen.cpp \
ad_$(HOTSPOT_TARGET_CPU_ARCH)_misc.cpp \
ad_$(HOTSPOT_TARGET_CPU_ARCH)_peephole.cpp \
ad_$(HOTSPOT_TARGET_CPU_ARCH)_pipeline.cpp \
adGlobals_$(HOTSPOT_TARGET_CPU_ARCH).hpp \
dfa_$(HOTSPOT_TARGET_CPU_ARCH).cpp \
)
$(JVM_VARIANT_OUTPUTDIR)/gensrc/adfiles/%: $(adlc_run_TARGET)
$(call LogInfo, Postprocessing adlc file $*)
$(call MakeDir, $(@D))
$(AWK) \
'BEGIN { print "#line 1 \"$*\""; } \
/^#line 999999$$/ {print "#line " (NR+1) " \"$*\""; next} \
$(if $(call equals, $(ALLOW_ABSOLUTE_PATHS_IN_OUTPUT), false), \
/^#line .*$$/ {sub("$(WORKSPACE_ROOT)/","")} \
) \
{print}' \
< $(ADLC_SUPPORT_DIR)/$* > $@
TARGETS += $(ADLC_GENERATED_FILES)
endif
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