1# Makefile fragment for common parts of all simulators. 2# Copyright 1997-2023 Free Software Foundation, Inc. 3# Contributed by Cygnus Support. 4 5# This program is free software; you can redistribute it and/or modify 6# it under the terms of the GNU General Public License as published by 7# the Free Software Foundation; either version 3 of the License, or 8# (at your option) any later version. 9# 10# This program is distributed in the hope that it will be useful, 11# but WITHOUT ANY WARRANTY; without even the implied warranty of 12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13# GNU General Public License for more details. 14# 15# You should have received a copy of the GNU General Public License 16# along with this program. If not, see <http://www.gnu.org/licenses/>. 17 18# This Makefile fragment consists of two separate parts. 19# They are merged into the final Makefile at points denoted by 20# "## COMMON_PRE_CONFIG_FRAG" and "## COMMON_POST_CONFIG_FRAG". 21# 22# The target Makefile should look like: 23# 24#># Copyright blah blah 25#> 26#>## COMMON_PRE_CONFIG_FRAG 27#> 28#># Any overrides necessary for the SIM_FOO config vars. 29#>SIM_FOO = ... 30#> 31#>## COMMON_POST_CONFIG_FRAG 32#> 33#># Rules to build target specific .o's. 34 35## COMMON_PRE_CONFIG_FRAG 36 37srcdir = @abs_srcdir@ 38VPATH = $(srcdir):$(srccom) 39srccom = $(srcdir)/../common 40srcroot = $(srcdir)/../.. 41srcsim = $(srcdir)/.. 42 43@SIM_COMMON_BUILD_FALSE@config.status = config.status 44@SIM_COMMON_BUILD_TRUE@config.status = ../config.status 45 46# Settings from top-level configure. 47include ../arch-subdir.mk 48 49include $(srcroot)/gdb/silent-rules.mk 50 51ifeq ($(V),0) 52ECHO_STAMP = @echo " GEN " 53ECHO_IGEN = @echo " IGEN $(<F)"; 54else 55ECHO_STAMP = @: 56endif 57 58# Helper code from gnulib. 59GNULIB_PARENT_DIR = ../.. 60include $(GNULIB_PARENT_DIR)/gnulib/Makefile.gnulib.inc 61 62# This can be referenced by the gettext configuration code. 63top_builddir = .. 64 65SHELL = @SHELL@ 66 67SIM_BITSIZE = @sim_bitsize@ 68SIM_FLOAT = @sim_float@ 69SIM_WARN_CFLAGS = $(WARN_CFLAGS) 70SIM_WERROR_CFLAGS = $(WERROR_CFLAGS) 71 72# Dependency tracking information. 73depcomp = $(SHELL) $(srcroot)/depcomp 74 75# Note that these are overridden by GNU make-specific code below if 76# GNU make is used. The overrides implement dependency tracking. 77COMPILE.pre = $(CC) $(C_DIALECT) 78COMPILE.post = -c -o $@ 79COMPILE = $(ECHO_CC) $(COMPILE.pre) $(ALL_CFLAGS) $(COMPILE.post) 80POSTCOMPILE = @true 81 82# igen leaks memory, and therefore makes AddressSanitizer unhappy. Disable 83# leak detection while running it. 84IGEN = ../igen/igen$(EXEEXT) 85IGEN_RUN = ASAN_OPTIONS=detect_leaks=0 $(IGEN) 86 87# Each simulator's Makefile.in defines one or more of these variables 88# to override our settings as necessary. There is no need to define these 89# in the simulator's Makefile.in if one is using the default value. In fact 90# it's preferable not to. 91 92# List of object files, less common parts. 93SIM_OBJS = 94# List of extra dependencies. 95# Generally this consists of simulator specific files included by sim-main.h. 96SIM_EXTRA_DEPS = 97# List of flags to always pass to $(CC). 98SIM_EXTRA_CFLAGS = 99# List of extra libraries to link with. 100SIM_EXTRA_LIBS = 101# List of main object files for `run'. 102SIM_RUN_OBJS = nrun.o 103# Dependency of `clean' to clean any extra files. 104SIM_EXTRA_CLEAN = 105# Likewise `distclean' 106SIM_EXTRA_DISTCLEAN = 107 108# Every time a new general purpose source file was added every target's 109# Makefile.in needed to be updated to include the file in SIM_OBJS. 110# This doesn't scale. 111# This variable specifies all the generic stuff common to the newer simulators. 112# Things like sim-reason.o can't go here as the cpu may provide its own 113# (though hopefully in time that won't be so). Things like sim-bits.o can go 114# here. Some files are used by all simulators (e.g. callback.o). 115# Those files are specified in LIB_OBJS below. 116 117SIM_COMMON_HW_OBJS = \ 118 hw-alloc.o \ 119 hw-base.o \ 120 hw-device.o \ 121 hw-events.o \ 122 hw-handles.o \ 123 hw-instances.o \ 124 hw-ports.o \ 125 hw-properties.o \ 126 hw-tree.o \ 127 sim-hw.o \ 128 129SIM_NEW_COMMON_OBJS = \ 130 sim-arange.o \ 131 sim-bits.o \ 132 sim-close.o \ 133 sim-command.o \ 134 sim-config.o \ 135 sim-core.o \ 136 sim-cpu.o \ 137 sim-endian.o \ 138 sim-engine.o \ 139 sim-events.o \ 140 sim-fpu.o \ 141 sim-hload.o \ 142 sim-hrw.o \ 143 sim-io.o \ 144 sim-info.o \ 145 sim-memopt.o \ 146 sim-model.o \ 147 sim-module.o \ 148 sim-options.o \ 149 sim-profile.o \ 150 sim-reason.o \ 151 sim-reg.o \ 152 sim-signal.o \ 153 sim-stop.o \ 154 sim-syscall.o \ 155 sim-trace.o \ 156 sim-utils.o \ 157 sim-watch.o \ 158 \ 159 $(SIM_HW_OBJS) \ 160 161## End COMMON_PRE_CONFIG_FRAG 162 163## COMMON_POST_CONFIG_FRAG 164 165CONFIG_CFLAGS = \ 166 -DHAVE_CONFIG_H \ 167 $(SIM_BITSIZE) \ 168 $(SIM_FLOAT) \ 169 $(SIM_HW_CFLAGS) \ 170 $(SIM_INLINE) \ 171 $(SIM_WARN_CFLAGS) \ 172 $(SIM_WERROR_CFLAGS) 173CSEARCH = -I. -I$(srcdir) -I$(srccom) \ 174 -I$(srcroot)/include \ 175 -I../../bfd -I$(srcroot)/bfd \ 176 -I$(srcroot)/opcodes \ 177 -I../.. 178ALL_CFLAGS = $(CONFIG_CFLAGS) $(CSEARCH) $(INCGNU) $(SIM_EXTRA_CFLAGS) $(CFLAGS) 179BUILD_CFLAGS = $(CFLAGS_FOR_BUILD) $(CSEARCH) 180 181COMMON_DEP_CFLAGS = $(CONFIG_CFLAGS) $(CSEARCH) $(SIM_EXTRA_CFLAGS) 182 183SIM_HW_DEVICES = cfi core pal glue $(SIM_EXTRA_HW_DEVICES) 184 185LIBIBERTY_LIB = ../../libiberty/libiberty.a 186BFD_LIB = ../../bfd/libbfd.la 187OPCODES_LIB = ../../opcodes/libopcodes.la 188LIBDEPS = $(BFD_LIB) $(OPCODES_LIB) $(LIBIBERTY_LIB) 189EXTRA_LIBS = $(BFD_LIB) $(OPCODES_LIB) $(LIBIBERTY_LIB) \ 190 $(COMMON_LIBS) $(SIM_EXTRA_LIBS) $(LIBGNU) $(LIBGNU_EXTRA_LIBS) 191 192COMMON_OBJS_NAMES = \ 193 callback.o \ 194 portability.o \ 195 sim-load.o \ 196 syscall.o \ 197 target-newlib-errno.o \ 198 target-newlib-open.o \ 199 target-newlib-signal.o \ 200 target-newlib-syscall.o \ 201 version.o 202COMMON_OBJS = $(COMMON_OBJS_NAMES:%=../common/%) 203 204LIB_OBJS = modules.o $(COMMON_OBJS) $(SIM_OBJS) 205 206COMPILE_FOR_BUILD = $(CC_FOR_BUILD) $(BUILD_CFLAGS) 207LINK_FOR_BUILD = $(CC_FOR_BUILD) $(BUILD_CFLAGS) $(LDFLAGS_FOR_BUILD) -o $@ 208 209RUNTESTFLAGS = 210 211all: libsim.a $(SIM_RUN_OBJS) 212 213libsim.a: $(LIB_OBJS) 214 $(SILENCE) rm -f libsim.a 215 $(ECHO_AR) $(AR) $(AR_FLAGS) libsim.a $(LIB_OBJS) 216 $(ECHO_RANLIB) $(RANLIB) libsim.a 217 218# 219# Dependency tracking. Most of this is conditional on GNU Make being 220# found by configure; if GNU Make is not found, we fall back to a 221# simpler scheme. 222# 223 224ifeq ($(DEPMODE),depmode=gcc3) 225# Note that we put the dependencies into a .Tpo file, then move them 226# into place if the compile succeeds. We need this because gcc does 227# not atomically write the dependency output file. 228override COMPILE.post = -c -o $@ -MT $@ -MMD -MP \ 229 -MF $(DEPDIR)/$(basename $(@F)).Tpo 230override POSTCOMPILE = @mv $(DEPDIR)/$(basename $(@F)).Tpo \ 231 $(DEPDIR)/$(basename $(@F)).Po 232else 233override COMPILE.pre = source='$<' object='$@' libtool=no \ 234 DEPDIR=$(DEPDIR) $(DEPMODE) $(depcomp) $(CC) 235# depcomp handles atomicity for us, so we don't need a postcompile 236# step. 237override POSTCOMPILE = 238endif 239 240all_object_files = $(LIB_OBJS) $(SIM_RUN_OBJS) 241generated_files = \ 242 $(SIM_EXTRA_DEPS) \ 243 hw-config.h \ 244 modules.c 245 246# Ensure that generated files are created early. Use order-only 247# dependencies if available. They require GNU make 3.80 or newer, 248# and the .VARIABLES variable was introduced at the same time. 249ifdef .VARIABLES 250$(all_object_files): | $(generated_files) 251else 252$(all_object_files) : $(generated_files) 253endif 254 255# Dependencies. 256-include $(patsubst %.o, $(DEPDIR)/%.Po, $(all_object_files)) 257 258# FIXME This is one very simple-minded way of generating the file hw-config.h 259hw-config.h: stamp-hw ; @true 260stamp-hw: Makefile.in $(srccom)/Make-common.in $(config.status) Makefile 261 $(ECHO_STAMP) hw-config.h 262 $(SILENCE) ( \ 263 sim_hw="$(SIM_HW_DEVICES)" ; \ 264 echo "/* generated by Makefile */" ; \ 265 printf "extern const struct hw_descriptor dv_%s_descriptor[];\n" $$sim_hw ; \ 266 echo "const struct hw_descriptor * const hw_descriptors[] = {" ; \ 267 printf " dv_%s_descriptor,\n" $$sim_hw ; \ 268 echo " NULL," ; \ 269 echo "};" \ 270 ) > tmp-hw.h 271 $(SILENCE) $(SHELL) $(srcroot)/move-if-change tmp-hw.h hw-config.h 272 $(SILENCE) touch $@ 273 274test-hw-events: $(srccom)/hw-events.c libsim.a 275 $(ECHO_CCLD) $(LIBTOOL) $(AM_V_lt) --tag=CC --mode=link \ 276 $(CC) $(ALL_CFLAGS) -DMAIN -o test-hw-events$(EXEEXT) \ 277 $(srccom)/hw-events.c libsim.a $(EXTRA_LIBS) 278 279# See sim_pre_argv_init and sim_module_install in sim-module.c for more details. 280modules.c: stamp-modules ; @true 281stamp-modules: Makefile $(SIM_OBJS:.o=.c) 282 $(ECHO_STAMP) modules.c 283 $(SILENCE) LANG=C ; export LANG ; \ 284 LC_ALL=C ; export LC_ALL ; \ 285 sed -n -e '/^sim_install_/{s/^\(sim_install_[a-z_0-9A-Z]*\).*/\1/;p}' $^ | sort >$@.l-tmp 286 @set -e; (\ 287 echo '/* Do not modify this file. */'; \ 288 echo '/* It is created automatically by the Makefile. */'; \ 289 echo '#include "libiberty.h"'; \ 290 echo '#include "sim-module.h"'; \ 291 sed -e 's:\(.*\):extern MODULE_INIT_FN \1;:' $@.l-tmp; \ 292 echo 'MODULE_INSTALL_FN * const sim_modules_detected[] = {'; \ 293 sed -e 's:\(.*\): \1,:' $@.l-tmp; \ 294 echo '};'; \ 295 echo 'const int sim_modules_detected_len = ARRAY_SIZE (sim_modules_detected);'; \ 296 ) >$@.tmp 297 $(SILENCE) $(SHELL) $(srcroot)/move-if-change $@.tmp modules.c 298 $(SILENCE) rm -f $@.l-tmp $@.tmp 299 $(SILENCE) touch $@ 300 301# Support targets. 302 303install: 304installdirs: 305uninstall: 306 307check: 308 309html: 310clean-html: 311install-html: 312 313info: 314clean-info: 315install-info: 316 317pdf: 318clean-pdf: 319install-pdf: 320 321.NOEXPORT: 322MAKEOVERRIDES= 323 324tags etags: TAGS 325 326# Macros like EXTERN_SIM_CORE confuse tags. 327# And the sim-n-foo.h files create functions that can't be found either. 328TAGS: force 329 cd $(srcdir) && \ 330 etags --regex '/^\([[:lower:]_]+\) (/\1/' --regex '/^\/[*] TAGS: .*/' \ 331 *.[ch] ../common/*.[ch] 332 333mostlyclean clean: $(SIM_EXTRA_CLEAN) 334 rm -f *.[oa] *~ core \ 335 run$(EXEEXT) libsim.a \ 336 hw-config.h stamp-hw \ 337 modules.c stamp-modules \ 338 tmp-mloop.hin tmp-mloop.h tmp-mloop.cin tmp-mloop.c 339 340distclean maintainer-clean realclean: clean $(SIM_EXTRA_DISTCLEAN) 341 rm -f TAGS 342 rm -f Makefile config.cache config.log config.status 343 344.c.o: 345 $(COMPILE) $< 346 $(POSTCOMPILE) 347 348# Dummy target to force execution of dependent targets. 349force: 350 351Makefile: Makefile.in $(srccom)/Make-common.in $(config.status) 352@SIM_COMMON_BUILD_FALSE@ $(ECHO_GEN) CONFIG_HEADERS= $(SHELL) ./config.status 353@SIM_COMMON_BUILD_TRUE@ $(ECHO_GEN) pwd=`pwd` && subdir=`basename "$$pwd"` && cd .. && \ 354@SIM_COMMON_BUILD_TRUE@ $(SHELL) ./config.status Make-common.sim $$subdir/Makefile.sim $$subdir/Makefile 355 356@SIM_COMMON_BUILD_FALSE@config.status: configure 357@SIM_COMMON_BUILD_FALSE@ $(ECHO_GEN) $(SHELL) ./config.status --recheck 358 359 360# CGEN support 361 362GUILE = `if [ -f ../../guile/libguile/guile ]; then echo ../../guile/libguile/guile; else echo guile ; fi` 363CGEN = "$(GUILE) -l $(CGENDIR)/guile.scm -s" 364CGENFLAGS = -v 365CGEN_CPU_DIR = $(CGENDIR)/cpu 366 367# Most ports use the files here instead of cgen/cpu. 368CPU_DIR = $(srcroot)/cpu 369 370CGEN_READ_SCM = $(CGENDIR)/sim.scm 371CGEN_ARCH_SCM = $(CGENDIR)/sim-arch.scm 372CGEN_CPU_SCM = $(CGENDIR)/sim-cpu.scm $(CGENDIR)/sim-model.scm 373CGEN_DECODE_SCM = $(CGENDIR)/sim-decode.scm 374CGEN_DESC_SCM = $(CGENDIR)/desc.scm $(CGENDIR)/desc-cpu.scm 375 376# Various choices for which cpu specific files to generate. 377# These are passed to cgen.sh in the "extrafiles" argument. 378CGEN_CPU_EXTR = /extr/ 379CGEN_CPU_READ = /read/ 380CGEN_CPU_WRITE = /write/ 381CGEN_CPU_SEM = /sem/ 382CGEN_CPU_SEMSW = /semsw/ 383 384CGEN_FLAGS_TO_PASS = \ 385 CGEN='$(CGEN)' \ 386 CGENFLAGS="$(CGENFLAGS)" 387 388# We store the generated files in the source directory until we decide to 389# ship a Scheme interpreter with gdb/binutils. Maybe we never will. 390 391cgen-arch: force 392 $(SHELL) $(srccom)/cgen.sh arch $(srcdir) \ 393 $(CGEN) $(CGENDIR) "$(CGENFLAGS)" \ 394 $(arch) "$(FLAGS)" ignored "$(isa)" $(mach) ignored \ 395 $(archfile) ignored 396 397cgen-cpu: force 398 $(SHELL) $(srccom)/cgen.sh cpu $(srcdir) \ 399 $(CGEN) $(CGENDIR) "$(CGENFLAGS)" \ 400 $(arch) "$(FLAGS)" $(cpu) "$(isa)" $(mach) "$(SUFFIX)" \ 401 $(archfile) "$(EXTRAFILES)" 402 403cgen-defs: force 404 $(SHELL) $(srccom)/cgen.sh defs $(srcdir) \ 405 $(CGEN) $(CGENDIR) "$(CGENFLAGS)" \ 406 $(arch) "$(FLAGS)" $(cpu) "$(isa)" $(mach) "$(SUFFIX)" \ 407 $(archfile) ignored 408 409cgen-decode: force 410 $(SHELL) $(srccom)/cgen.sh decode $(srcdir) \ 411 $(CGEN) $(CGENDIR) "$(CGENFLAGS)" \ 412 $(arch) "$(FLAGS)" $(cpu) "$(isa)" $(mach) "$(SUFFIX)" \ 413 $(archfile) "$(EXTRAFILES)" 414 415cgen-cpu-decode: force 416 $(SHELL) $(srccom)/cgen.sh cpu-decode $(srcdir) \ 417 $(CGEN) $(CGENDIR) "$(CGENFLAGS)" \ 418 $(arch) "$(FLAGS)" $(cpu) "$(isa)" $(mach) "$(SUFFIX)" \ 419 $(archfile) "$(EXTRAFILES)" 420 421cgen-desc: force 422 $(SHELL) $(srccom)/cgen.sh desc $(srcdir) \ 423 $(CGEN) $(CGENDIR) "$(CGENFLAGS)" \ 424 $(arch) "$(FLAGS)" $(cpu) "$(isa)" $(mach) "$(SUFFIX)" \ 425 $(archfile) ignored $(opcfile) 426 427## End COMMON_POST_CONFIG_FRAG 428