1 #
   2 # Copyright (c) 2013, 2016, 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 $(eval $(call IncludeCustomExtension, hotspot, gensrc/GensrcAdlc.gmk))
  27 
  28 ifeq ($(call check-jvm-feature, compiler2), true)
  29 
  30   ADLC_SUPPORT_DIR := $(JVM_SUPPORT_DIR)/adlc
  31 
  32   ##############################################################################
  33   # Build the ad compiler (the adlc build tool)
  34 
  35   # Flags depending on the build platform/tool chain
  36   # NOTE: No optimization or debug flags set here
  37   ifeq ($(OPENJDK_BUILD_OS), linux)
  38     ADLC_CFLAGS := -fno-exceptions -DLINUX
  39   else ifeq ($(OPENJDK_BUILD_OS), solaris)
  40     ADLC_LDFLAGS := -m64
  41     ADLC_CFLAGS := -m64
  42     ADLC_CFLAGS_WARNINGS := +w
  43   else ifeq ($(OPENJDK_BUILD_OS), aix)
  44     ADLC_LDFLAGS := -q64
  45     ADLC_CFLAGS := -qnortti -qeh -q64 -DAIX
  46   else ifeq ($(OPENJDK_BUILD_OS), windows)
  47     ADLC_LDFLAGS := -nologo
  48     ADLC_CFLAGS := -nologo -EHsc
  49     # NOTE: The old build also have -D_CRT_SECURE_NO_DEPRECATE but it doesn't
  50     # seem needed any more.
  51     ADLC_CFLAGS_WARNINGS := -W3 -D_CRT_SECURE_NO_WARNINGS
  52   endif
  53 
  54   # Set the C++ standard if supported
  55   ADLC_CFLAGS += $(CXXSTD_CXXFLAG)
  56   
  57   # NOTE: The old build didn't set -DASSERT for windows but it doesn't seem to
  58   # hurt.
  59   ADLC_CFLAGS += -DASSERT
  60 
  61   ADLC_CFLAGS += -D$(HOTSPOT_TARGET_CPU_DEFINE)
  62 
  63   ADLC_CFLAGS += -I$(HOTSPOT_TOPDIR)/src/share/vm
  64 
  65   $(eval $(call SetupNativeCompilation, BUILD_ADLC, \
  66       TOOLCHAIN := TOOLCHAIN_BUILD_LINK_CXX, \
  67       SRC := $(HOTSPOT_TOPDIR)/src/share/vm/adlc, \
  68       EXTRA_FILES := $(HOTSPOT_TOPDIR)/src/share/vm/opto/opcodes.cpp, \
  69       CFLAGS := $(ADLC_CFLAGS) $(ADLC_CFLAGS_WARNINGS), \
  70       LDFLAGS := $(ADLC_LDFLAGS), \
  71       LIBS := $(ADLC_LIBS), \
  72       OBJECT_DIR := $(JVM_VARIANT_OUTPUTDIR)/tools/adlc/objs, \
  73       OUTPUT_DIR := $(JVM_VARIANT_OUTPUTDIR)/tools/adlc, \
  74       PROGRAM := adlc, \
  75       DEBUG_SYMBOLS := false, \
  76       DISABLED_WARNINGS_clang := parentheses tautological-compare, \
  77       DISABLED_WARNINGS_solstudio := notemsource, \
  78   ))
  79 
  80   ADLC_TOOL := $(BUILD_ADLC_TARGET)
  81 
  82   ##############################################################################
  83   # Transform the ad source files into C++ source files using adlc
  84 
  85   # Setup flags for the adlc build tool (ADLCFLAGS).
  86   ADLCFLAGS += -q -T
  87 
  88   # ADLC flags depending on target OS
  89   ifeq ($(OPENJDK_TARGET_OS), linux)
  90     ADLCFLAGS += -DLINUX=1 -D_GNU_SOURCE=1
  91   else ifeq ($(OPENJDK_TARGET_OS), solaris)
  92     ADLCFLAGS += -DSOLARIS=1 -DSPARC_WORKS=1
  93   else ifeq ($(OPENJDK_TARGET_OS), aix)
  94     ADLCFLAGS += -DAIX=1
  95   else ifeq ($(OPENJDK_TARGET_OS), macosx)
  96     ADLCFLAGS += -D_ALLBSD_SOURCE=1 -D_GNU_SOURCE=1
  97   endif
  98 
  99   ifneq ($(OPENJDK_TARGET_OS), windows)
 100     # NOTE: Windows adlc flags was different in the old build. Is this really
 101     # correct?
 102 
 103     # -g makes #line directives in the generated C++ files.
 104     ADLCFLAGS += -g
 105 
 106     ADLCFLAGS += -D$(HOTSPOT_TARGET_CPU_DEFINE)=1
 107   endif
 108 
 109   # This generates checks in the generated C++ files that _LP64 is correctly
 110   # (un)defined when compiling them.
 111   ifeq ($(OPENJDK_TARGET_CPU_BITS), 64)
 112     ADLCFLAGS += -D_LP64=1
 113   else
 114     ADLCFLAGS += -U_LP64
 115   endif
 116 
 117   ##############################################################################
 118   # Concatenate all ad source files into a single file, which will be fed to
 119   # adlc. Also include a #line directive at the start of every included file
 120   # (after the initial header block), stating the original source file name.
 121   #
 122   # Normally, debugging is done directly on the ad_<arch>*.cpp files, but the
 123   # #line directives in those files will be pointing back to <arch>.ad.
 124 
 125   # AD_SRC_ROOTS might have been added to by a custom extension
 126   AD_SRC_ROOTS += $(HOTSPOT_TOPDIR)/src
 127 
 128   AD_SRC_FILES := $(call uniq, $(wildcard $(foreach d, $(AD_SRC_ROOTS), \
 129       $d/cpu/$(HOTSPOT_TARGET_CPU_ARCH)/vm/$(HOTSPOT_TARGET_CPU).ad \
 130       $d/cpu/$(HOTSPOT_TARGET_CPU_ARCH)/vm/$(HOTSPOT_TARGET_CPU_ARCH).ad \
 131       $d/os_cpu/$(HOTSPOT_TARGET_OS)_$(HOTSPOT_TARGET_CPU_ARCH)/vm/$(HOTSPOT_TARGET_OS)_$(HOTSPOT_TARGET_CPU_ARCH).ad \
 132     )))
 133 
 134   SINGLE_AD_SRCFILE := $(ADLC_SUPPORT_DIR)/all-ad-src.ad
 135 
 136   INSERT_FILENAME_AWK_SCRIPT := \
 137       '{ \
 138          if (CUR_FN != FILENAME) { CUR_FN=FILENAME; NR_BASE=NR-1; need_lineno=1 } \
 139          if (need_lineno && $$0 !~ /\/\//) \
 140            { print "\n\n\#line " (NR-NR_BASE) " \"" FILENAME "\""; need_lineno=0 }; \
 141          print \
 142        }'
 143 
 144   $(SINGLE_AD_SRCFILE): $(AD_SRC_FILES)
 145         $(call LogInfo, Preprocessing adlc files $(^F))
 146         $(call MakeDir, $(@D))
 147         $(NAWK) $(INSERT_FILENAME_AWK_SCRIPT) $^ > $@
 148 
 149   ##############################################################################
 150   # Run the adlc tool on the single concatenated ad source file, and store the
 151   # output in support/adlc for further processing.
 152   ADLC_RUN_MARKER := $(ADLC_SUPPORT_DIR)/_adlc_run.marker
 153 
 154   $(ADLC_RUN_MARKER): $(BUILD_ADLC) $(SINGLE_AD_SRCFILE)
 155         $(call LogInfo, Generating adlc files)
 156         $(call MakeDir, $(@D))
 157         $(call ExecuteWithLog, $(ADLC_SUPPORT_DIR)/adlc_run, \
 158             $(FIXPATH) $(ADLC_TOOL) $(ADLCFLAGS) $(SINGLE_AD_SRCFILE) \
 159                 -c$(ADLC_SUPPORT_DIR)/ad_$(HOTSPOT_TARGET_CPU).cpp \
 160                 -h$(ADLC_SUPPORT_DIR)/ad_$(HOTSPOT_TARGET_CPU).hpp \
 161                 -a$(ADLC_SUPPORT_DIR)/dfa_$(HOTSPOT_TARGET_CPU).cpp \
 162                 -v$(ADLC_SUPPORT_DIR)/adGlobals_$(HOTSPOT_TARGET_CPU).hpp)
 163         $(TOUCH) $@
 164 
 165   ##############################################################################
 166   # Finally copy the generated files from support/adlc into gensrc/adfiles,
 167   # and postprocess them by fixing dummy #line directives.
 168 
 169   ADLC_GENERATED_FILES := $(addprefix $(JVM_VARIANT_OUTPUTDIR)/gensrc/adfiles/, \
 170       ad_$(HOTSPOT_TARGET_CPU).cpp \
 171       ad_$(HOTSPOT_TARGET_CPU).hpp \
 172       ad_$(HOTSPOT_TARGET_CPU)_clone.cpp \
 173       ad_$(HOTSPOT_TARGET_CPU)_expand.cpp \
 174       ad_$(HOTSPOT_TARGET_CPU)_format.cpp \
 175       ad_$(HOTSPOT_TARGET_CPU)_gen.cpp \
 176       ad_$(HOTSPOT_TARGET_CPU)_misc.cpp \
 177       ad_$(HOTSPOT_TARGET_CPU)_peephole.cpp \
 178       ad_$(HOTSPOT_TARGET_CPU)_pipeline.cpp \
 179       adGlobals_$(HOTSPOT_TARGET_CPU).hpp \
 180       dfa_$(HOTSPOT_TARGET_CPU).cpp \
 181   )
 182 
 183   $(JVM_VARIANT_OUTPUTDIR)/gensrc/adfiles/%: $(ADLC_RUN_MARKER)
 184         $(call LogInfo, Postprocessing adlc file $*)
 185         $(call MakeDir, $(@D))
 186         $(NAWK) \
 187             'BEGIN { print "#line 1 \"$*\""; } \
 188              /^#line 999999$$/ {print "#line " (NR+1) " \"$*\""; next} \
 189              {print}' \
 190             < $(ADLC_SUPPORT_DIR)/$* > $@
 191 
 192   TARGETS := $(ADLC_GENERATED_FILES)
 193 
 194 endif