1 #
2 # Copyright (c) 2013, 2020, 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 := $(JVM_SUPPORT_DIR)/adlc
31
32 ##############################################################################
33 # Build the ad compiler (the adlc build tool)
34
35 # Flags depending on the build platform/tool chain
36 # NOTE: No optimization or debug flags set here
37 ifeq ($(call isBuildOs, linux), true)
38 ADLC_CFLAGS := -fno-exceptions -DLINUX
39 else ifeq ($(call isBuildOs, aix), true)
40 ADLC_LDFLAGS += -q64
41 ADLC_CFLAGS := -qnortti -qeh -q64 -DAIX
42 else ifeq ($(call isBuildOs, windows), true)
43 ADLC_LDFLAGS += -nologo
44 ADLC_CFLAGS := -nologo -EHsc
45 # NOTE: The old build also have -D_CRT_SECURE_NO_DEPRECATE but it doesn't
46 # seem needed any more.
47 ADLC_CFLAGS_WARNINGS := -W3 -D_CRT_SECURE_NO_WARNINGS
48 endif
49
50 # Set the C++ standard
51 ADLC_CFLAGS += $(ADLC_LANGSTD_CXXFLAG)
52
53 # NOTE: The old build didn't set -DASSERT for windows but it doesn't seem to
54 # hurt.
55 ADLC_CFLAGS += -DASSERT
56
57 ADLC_CFLAGS += -D$(HOTSPOT_TARGET_CPU_DEFINE)
58
59 ADLC_CFLAGS += -I$(TOPDIR)/src/hotspot/share
60
61 $(eval $(call SetupNativeCompilation, BUILD_ADLC, \
62 NAME := adlc, \
63 TYPE := EXECUTABLE, \
64 TOOLCHAIN := TOOLCHAIN_BUILD_LINK_CXX, \
65 SRC := $(TOPDIR)/src/hotspot/share/adlc, \
66 EXTRA_FILES := $(TOPDIR)/src/hotspot/share/opto/opcodes.cpp, \
67 CFLAGS := $(ADLC_CFLAGS) $(ADLC_CFLAGS_WARNINGS), \
68 LDFLAGS := $(ADLC_LDFLAGS), \
69 LIBS := $(ADLC_LIBS), \
70 OBJECT_DIR := $(JVM_VARIANT_OUTPUTDIR)/tools/adlc/objs, \
71 OUTPUT_DIR := $(JVM_VARIANT_OUTPUTDIR)/tools/adlc, \
72 DEBUG_SYMBOLS := false, \
73 DISABLED_WARNINGS_clang := tautological-compare, \
74 ))
75
76 ADLC_TOOL := $(BUILD_ADLC_TARGET)
77
78 ##############################################################################
79 # Transform the ad source files into C++ source files using adlc
80
81 # Setup flags for the adlc build tool (ADLCFLAGS).
82 ADLCFLAGS += -q -T
83
84 # ADLC flags depending on target OS
85 ifeq ($(call isTargetOs, linux), true)
86 ADLCFLAGS += -DLINUX=1 -D_GNU_SOURCE=1
87 else ifeq ($(call isTargetOs, aix), true)
88 ADLCFLAGS += -DAIX=1
89 else ifeq ($(call isTargetOs, macosx), true)
90 ADLCFLAGS += -D_ALLBSD_SOURCE=1 -D_GNU_SOURCE=1
91 endif
92
93 ifeq ($(call isTargetOs, windows), false)
94 # NOTE: Windows adlc flags was different in the old build. Is this really
95 # correct?
96
97 # -g makes #line directives in the generated C++ files.
98 ADLCFLAGS += -g
99
100 ADLCFLAGS += -D$(HOTSPOT_TARGET_CPU_DEFINE)=1
101 endif
102
103 # This generates checks in the generated C++ files that _LP64 is correctly
104 # (un)defined when compiling them.
105 ifeq ($(call isTargetCpuBits, 64), true)
106 ADLCFLAGS += -D_LP64=1
107 else
108 ADLCFLAGS += -U_LP64
109 endif
110
111 ifeq ($(HOTSPOT_TARGET_CPU_ARCH), arm)
112 ADLCFLAGS += -DARM=1
113 endif
114
115 ##############################################################################
116 # Concatenate all ad source files into a single file, which will be fed to
117 # adlc. Also include a #line directive at the start of every included file
118 # (after the initial header block), stating the original source file name.
119 #
120 # Normally, debugging is done directly on the ad_<arch>*.cpp files, but the
121 # #line directives in those files will be pointing back to <arch>.ad.
122
123 # AD_SRC_ROOTS might have been added to by a custom extension
124 AD_SRC_ROOTS += $(TOPDIR)/src/hotspot
125
126 AD_SRC_FILES := $(call uniq, $(wildcard $(foreach d, $(AD_SRC_ROOTS), \
127 $d/cpu/$(HOTSPOT_TARGET_CPU_ARCH)/$(HOTSPOT_TARGET_CPU).ad \
128 $d/cpu/$(HOTSPOT_TARGET_CPU_ARCH)/$(HOTSPOT_TARGET_CPU_ARCH).ad \
129 $d/os_cpu/$(HOTSPOT_TARGET_OS)_$(HOTSPOT_TARGET_CPU_ARCH)/$(HOTSPOT_TARGET_OS)_$(HOTSPOT_TARGET_CPU_ARCH).ad \
130 )))
131
132 ifeq ($(call check-jvm-feature, shenandoahgc), true)
133 AD_SRC_FILES += $(call uniq, $(wildcard $(foreach d, $(AD_SRC_ROOTS), \
134 $d/cpu/$(HOTSPOT_TARGET_CPU_ARCH)/gc/shenandoah/shenandoah_$(HOTSPOT_TARGET_CPU).ad \
135 )))
136 endif
137
138 ifeq ($(call check-jvm-feature, zgc), true)
139 AD_SRC_FILES += $(call uniq, $(wildcard $(foreach d, $(AD_SRC_ROOTS), \
140 $d/cpu/$(HOTSPOT_TARGET_CPU_ARCH)/gc/z/z_$(HOTSPOT_TARGET_CPU).ad \
141 )))
142 endif
143
144 SINGLE_AD_SRCFILE := $(ADLC_SUPPORT_DIR)/all-ad-src.ad
145
146 INSERT_FILENAME_AWK_SCRIPT := \
147 '{ \
148 if (CUR_FN != FILENAME) { CUR_FN=FILENAME; NR_BASE=NR-1; need_lineno=1 } \
149 if (need_lineno && $$0 !~ /\/\//) \
150 { print "\n\n\#line " (NR-NR_BASE) " \"" FILENAME "\""; need_lineno=0 }; \
151 print \
152 }'
153
154 $(SINGLE_AD_SRCFILE): $(AD_SRC_FILES)
155 $(call LogInfo, Preprocessing adlc files $(^F))
156 $(call MakeDir, $(@D))
157 $(NAWK) $(INSERT_FILENAME_AWK_SCRIPT) $^ > $@
158
159 ##############################################################################
160 # Run the adlc tool on the single concatenated ad source file, and store the
161 # output in support/adlc for further processing.
162 $(eval $(call SetupExecute, adlc_run, \
163 INFO := Generating adlc files, \
164 DEPS := $(BUILD_ADLC) $(SINGLE_AD_SRCFILE), \
165 OUTPUT_DIR := $(ADLC_SUPPORT_DIR), \
166 COMMAND := $(FIXPATH) $(ADLC_TOOL) $(ADLCFLAGS) $(SINGLE_AD_SRCFILE) \
167 -c$(ADLC_SUPPORT_DIR)/ad_$(HOTSPOT_TARGET_CPU_ARCH).cpp \
168 -h$(ADLC_SUPPORT_DIR)/ad_$(HOTSPOT_TARGET_CPU_ARCH).hpp \
169 -a$(ADLC_SUPPORT_DIR)/dfa_$(HOTSPOT_TARGET_CPU_ARCH).cpp \
170 -v$(ADLC_SUPPORT_DIR)/adGlobals_$(HOTSPOT_TARGET_CPU_ARCH).hpp, \
171 ))
172
173 ##############################################################################
174 # Finally copy the generated files from support/adlc into gensrc/adfiles,
175 # and postprocess them by fixing dummy #line directives.
176
177 ADLC_GENERATED_FILES := $(addprefix $(JVM_VARIANT_OUTPUTDIR)/gensrc/adfiles/, \
178 ad_$(HOTSPOT_TARGET_CPU_ARCH).cpp \
179 ad_$(HOTSPOT_TARGET_CPU_ARCH).hpp \
180 ad_$(HOTSPOT_TARGET_CPU_ARCH)_clone.cpp \
181 ad_$(HOTSPOT_TARGET_CPU_ARCH)_expand.cpp \
182 ad_$(HOTSPOT_TARGET_CPU_ARCH)_format.cpp \
183 ad_$(HOTSPOT_TARGET_CPU_ARCH)_gen.cpp \
184 ad_$(HOTSPOT_TARGET_CPU_ARCH)_misc.cpp \
185 ad_$(HOTSPOT_TARGET_CPU_ARCH)_peephole.cpp \
186 ad_$(HOTSPOT_TARGET_CPU_ARCH)_pipeline.cpp \
187 adGlobals_$(HOTSPOT_TARGET_CPU_ARCH).hpp \
188 dfa_$(HOTSPOT_TARGET_CPU_ARCH).cpp \
189 )
190
191 $(JVM_VARIANT_OUTPUTDIR)/gensrc/adfiles/%: $(adlc_run_TARGET)
192 $(call LogInfo, Postprocessing adlc file $*)
193 $(call MakeDir, $(@D))
194 $(NAWK) \
195 'BEGIN { print "#line 1 \"$*\""; } \
196 /^#line 999999$$/ {print "#line " (NR+1) " \"$*\""; next} \
197 $(if $(call equals, $(ALLOW_ABSOLUTE_PATHS_IN_OUTPUT), false), \
198 /^#line .*$$/ {sub("$(WORKSPACE_ROOT)/","")} \
199 ) \
200 {print}' \
201 < $(ADLC_SUPPORT_DIR)/$* > $@
202
203 TARGETS += $(ADLC_GENERATED_FILES)
204
205 endif