# Makefile fragment for common parts of all simulators. # Copyright 1997-2023 Free Software Foundation, Inc. # Contributed by Cygnus Support. # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 3 of the License, or # (at your option) any later version. # # This program 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 for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. # This Makefile fragment consists of two separate parts. # They are merged into the final Makefile at points denoted by # "## COMMON_PRE_CONFIG_FRAG" and "## COMMON_POST_CONFIG_FRAG". # # The target Makefile should look like: # #># Copyright blah blah #> #>## COMMON_PRE_CONFIG_FRAG #> #># Any overrides necessary for the SIM_FOO config vars. #>SIM_FOO = ... #> #>## COMMON_POST_CONFIG_FRAG #> #># Rules to build target specific .o's. ## COMMON_PRE_CONFIG_FRAG srcdir = @abs_srcdir@ VPATH = $(srcdir):$(srccom) srccom = $(srcdir)/../common srcroot = $(srcdir)/../.. srcsim = $(srcdir)/.. @SIM_COMMON_BUILD_FALSE@config.status = config.status @SIM_COMMON_BUILD_TRUE@config.status = ../config.status # Settings from top-level configure. include ../arch-subdir.mk include $(srcroot)/gdb/silent-rules.mk ifeq ($(V),0) ECHO_STAMP = @echo " GEN " ECHO_IGEN = @echo " IGEN $(<F)"; else ECHO_STAMP = @: endif # Helper code from gnulib. GNULIB_PARENT_DIR = ../.. include $(GNULIB_PARENT_DIR)/gnulib/Makefile.gnulib.inc # This can be referenced by the gettext configuration code. top_builddir = .. SHELL = @SHELL@ SIM_BITSIZE = @sim_bitsize@ SIM_FLOAT = @sim_float@ SIM_WARN_CFLAGS = $(WARN_CFLAGS) SIM_WERROR_CFLAGS = $(WERROR_CFLAGS) # Dependency tracking information. depcomp = $(SHELL) $(srcroot)/depcomp # Note that these are overridden by GNU make-specific code below if # GNU make is used. The overrides implement dependency tracking. COMPILE.pre = $(CC) $(C_DIALECT) COMPILE.post = -c -o $@ COMPILE = $(ECHO_CC) $(COMPILE.pre) $(ALL_CFLAGS) $(COMPILE.post) POSTCOMPILE = @true # igen leaks memory, and therefore makes AddressSanitizer unhappy. Disable # leak detection while running it. IGEN = ../igen/igen$(EXEEXT) IGEN_RUN = ASAN_OPTIONS=detect_leaks=0 $(IGEN) # Each simulator's Makefile.in defines one or more of these variables # to override our settings as necessary. There is no need to define these # in the simulator's Makefile.in if one is using the default value. In fact # it's preferable not to. # List of object files, less common parts. SIM_OBJS = # List of extra dependencies. # Generally this consists of simulator specific files included by sim-main.h. SIM_EXTRA_DEPS = # List of flags to always pass to $(CC). SIM_EXTRA_CFLAGS = # List of extra libraries to link with. SIM_EXTRA_LIBS = # List of main object files for `run'. SIM_RUN_OBJS = nrun.o # Dependency of `clean' to clean any extra files. SIM_EXTRA_CLEAN = # Likewise `distclean' SIM_EXTRA_DISTCLEAN = # Every time a new general purpose source file was added every target's # Makefile.in needed to be updated to include the file in SIM_OBJS. # This doesn't scale. # This variable specifies all the generic stuff common to the newer simulators. # Things like sim-reason.o can't go here as the cpu may provide its own # (though hopefully in time that won't be so). Things like sim-bits.o can go # here. Some files are used by all simulators (e.g. callback.o). # Those files are specified in LIB_OBJS below. SIM_COMMON_HW_OBJS = \ hw-alloc.o \ hw-base.o \ hw-device.o \ hw-events.o \ hw-handles.o \ hw-instances.o \ hw-ports.o \ hw-properties.o \ hw-tree.o \ sim-hw.o \ SIM_NEW_COMMON_OBJS = \ sim-arange.o \ sim-bits.o \ sim-close.o \ sim-command.o \ sim-config.o \ sim-core.o \ sim-cpu.o \ sim-endian.o \ sim-engine.o \ sim-events.o \ sim-fpu.o \ sim-hload.o \ sim-hrw.o \ sim-io.o \ sim-info.o \ sim-memopt.o \ sim-model.o \ sim-module.o \ sim-options.o \ sim-profile.o \ sim-reason.o \ sim-reg.o \ sim-signal.o \ sim-stop.o \ sim-syscall.o \ sim-trace.o \ sim-utils.o \ sim-watch.o \ \ $(SIM_HW_OBJS) \ ## End COMMON_PRE_CONFIG_FRAG ## COMMON_POST_CONFIG_FRAG CONFIG_CFLAGS = \ -DHAVE_CONFIG_H \ $(SIM_BITSIZE) \ $(SIM_FLOAT) \ $(SIM_HW_CFLAGS) \ $(SIM_INLINE) \ $(SIM_WARN_CFLAGS) \ $(SIM_WERROR_CFLAGS) CSEARCH = -I. -I$(srcdir) -I$(srccom) \ -I$(srcroot)/include \ -I../../bfd -I$(srcroot)/bfd \ -I$(srcroot)/opcodes \ -I../.. ALL_CFLAGS = $(CONFIG_CFLAGS) $(CSEARCH) $(INCGNU) $(SIM_EXTRA_CFLAGS) $(CFLAGS) BUILD_CFLAGS = $(CFLAGS_FOR_BUILD) $(CSEARCH) COMMON_DEP_CFLAGS = $(CONFIG_CFLAGS) $(CSEARCH) $(SIM_EXTRA_CFLAGS) SIM_HW_DEVICES = cfi core pal glue $(SIM_EXTRA_HW_DEVICES) LIBIBERTY_LIB = ../../libiberty/libiberty.a BFD_LIB = ../../bfd/libbfd.la OPCODES_LIB = ../../opcodes/libopcodes.la LIBDEPS = $(BFD_LIB) $(OPCODES_LIB) $(LIBIBERTY_LIB) EXTRA_LIBS = $(BFD_LIB) $(OPCODES_LIB) $(LIBIBERTY_LIB) \ $(COMMON_LIBS) $(SIM_EXTRA_LIBS) $(LIBGNU) $(LIBGNU_EXTRA_LIBS) COMMON_OBJS_NAMES = \ callback.o \ portability.o \ sim-load.o \ syscall.o \ target-newlib-errno.o \ target-newlib-open.o \ target-newlib-signal.o \ target-newlib-syscall.o \ version.o COMMON_OBJS = $(COMMON_OBJS_NAMES:%=../common/%) LIB_OBJS = modules.o $(COMMON_OBJS) $(SIM_OBJS) COMPILE_FOR_BUILD = $(CC_FOR_BUILD) $(BUILD_CFLAGS) LINK_FOR_BUILD = $(CC_FOR_BUILD) $(BUILD_CFLAGS) $(LDFLAGS_FOR_BUILD) -o $@ RUNTESTFLAGS = all: libsim.a $(SIM_RUN_OBJS) libsim.a: $(LIB_OBJS) $(SILENCE) rm -f libsim.a $(ECHO_AR) $(AR) $(AR_FLAGS) libsim.a $(LIB_OBJS) $(ECHO_RANLIB) $(RANLIB) libsim.a # # Dependency tracking. Most of this is conditional on GNU Make being # found by configure; if GNU Make is not found, we fall back to a # simpler scheme. # ifeq ($(DEPMODE),depmode=gcc3) # Note that we put the dependencies into a .Tpo file, then move them # into place if the compile succeeds. We need this because gcc does # not atomically write the dependency output file. override COMPILE.post = -c -o $@ -MT $@ -MMD -MP \ -MF $(DEPDIR)/$(basename $(@F)).Tpo override POSTCOMPILE = @mv $(DEPDIR)/$(basename $(@F)).Tpo \ $(DEPDIR)/$(basename $(@F)).Po else override COMPILE.pre = source='$<' object='$@' libtool=no \ DEPDIR=$(DEPDIR) $(DEPMODE) $(depcomp) $(CC) # depcomp handles atomicity for us, so we don't need a postcompile # step. override POSTCOMPILE = endif all_object_files = $(LIB_OBJS) $(SIM_RUN_OBJS) generated_files = \ $(SIM_EXTRA_DEPS) \ hw-config.h \ modules.c # Ensure that generated files are created early. Use order-only # dependencies if available. They require GNU make 3.80 or newer, # and the .VARIABLES variable was introduced at the same time. ifdef .VARIABLES $(all_object_files): | $(generated_files) else $(all_object_files) : $(generated_files) endif # Dependencies. -include $(patsubst %.o, $(DEPDIR)/%.Po, $(all_object_files)) # FIXME This is one very simple-minded way of generating the file hw-config.h hw-config.h: stamp-hw ; @true stamp-hw: Makefile.in $(srccom)/Make-common.in $(config.status) Makefile $(ECHO_STAMP) hw-config.h $(SILENCE) ( \ sim_hw="$(SIM_HW_DEVICES)" ; \ echo "/* generated by Makefile */" ; \ printf "extern const struct hw_descriptor dv_%s_descriptor[];\n" $$sim_hw ; \ echo "const struct hw_descriptor * const hw_descriptors[] = {" ; \ printf " dv_%s_descriptor,\n" $$sim_hw ; \ echo " NULL," ; \ echo "};" \ ) > tmp-hw.h $(SILENCE) $(SHELL) $(srcroot)/move-if-change tmp-hw.h hw-config.h $(SILENCE) touch $@ test-hw-events: $(srccom)/hw-events.c libsim.a $(ECHO_CCLD) $(LIBTOOL) $(AM_V_lt) --tag=CC --mode=link \ $(CC) $(ALL_CFLAGS) -DMAIN -o test-hw-events$(EXEEXT) \ $(srccom)/hw-events.c libsim.a $(EXTRA_LIBS) # See sim_pre_argv_init and sim_module_install in sim-module.c for more details. modules.c: stamp-modules ; @true stamp-modules: Makefile $(SIM_OBJS:.o=.c) $(ECHO_STAMP) modules.c $(SILENCE) LANG=C ; export LANG ; \ LC_ALL=C ; export LC_ALL ; \ sed -n -e '/^sim_install_/{s/^\(sim_install_[a-z_0-9A-Z]*\).*/\1/;p}' $^ | sort >$@.l-tmp @set -e; (\ echo '/* Do not modify this file. */'; \ echo '/* It is created automatically by the Makefile. */'; \ echo '#include "libiberty.h"'; \ echo '#include "sim-module.h"'; \ sed -e 's:\(.*\):extern MODULE_INIT_FN \1;:' $@.l-tmp; \ echo 'MODULE_INSTALL_FN * const sim_modules_detected[] = {'; \ sed -e 's:\(.*\): \1,:' $@.l-tmp; \ echo '};'; \ echo 'const int sim_modules_detected_len = ARRAY_SIZE (sim_modules_detected);'; \ ) >$@.tmp $(SILENCE) $(SHELL) $(srcroot)/move-if-change $@.tmp modules.c $(SILENCE) rm -f $@.l-tmp $@.tmp $(SILENCE) touch $@ # Support targets. install: installdirs: uninstall: check: html: clean-html: install-html: info: clean-info: install-info: pdf: clean-pdf: install-pdf: .NOEXPORT: MAKEOVERRIDES= tags etags: TAGS # Macros like EXTERN_SIM_CORE confuse tags. # And the sim-n-foo.h files create functions that can't be found either. TAGS: force cd $(srcdir) && \ etags --regex '/^\([[:lower:]_]+\) (/\1/' --regex '/^\/[*] TAGS: .*/' \ *.[ch] ../common/*.[ch] mostlyclean clean: $(SIM_EXTRA_CLEAN) rm -f *.[oa] *~ core \ run$(EXEEXT) libsim.a \ hw-config.h stamp-hw \ modules.c stamp-modules \ tmp-mloop.hin tmp-mloop.h tmp-mloop.cin tmp-mloop.c distclean maintainer-clean realclean: clean $(SIM_EXTRA_DISTCLEAN) rm -f TAGS rm -f Makefile config.cache config.log config.status .c.o: $(COMPILE) $< $(POSTCOMPILE) # Dummy target to force execution of dependent targets. force: Makefile: Makefile.in $(srccom)/Make-common.in $(config.status) @SIM_COMMON_BUILD_FALSE@ $(ECHO_GEN) CONFIG_HEADERS= $(SHELL) ./config.status @SIM_COMMON_BUILD_TRUE@ $(ECHO_GEN) pwd=`pwd` && subdir=`basename "$$pwd"` && cd .. && \ @SIM_COMMON_BUILD_TRUE@ $(SHELL) ./config.status Make-common.sim $$subdir/Makefile.sim $$subdir/Makefile @SIM_COMMON_BUILD_FALSE@config.status: configure @SIM_COMMON_BUILD_FALSE@ $(ECHO_GEN) $(SHELL) ./config.status --recheck # CGEN support GUILE = `if [ -f ../../guile/libguile/guile ]; then echo ../../guile/libguile/guile; else echo guile ; fi` CGEN = "$(GUILE) -l $(CGENDIR)/guile.scm -s" CGENFLAGS = -v CGEN_CPU_DIR = $(CGENDIR)/cpu # Most ports use the files here instead of cgen/cpu. CPU_DIR = $(srcroot)/cpu CGEN_READ_SCM = $(CGENDIR)/sim.scm CGEN_ARCH_SCM = $(CGENDIR)/sim-arch.scm CGEN_CPU_SCM = $(CGENDIR)/sim-cpu.scm $(CGENDIR)/sim-model.scm CGEN_DECODE_SCM = $(CGENDIR)/sim-decode.scm CGEN_DESC_SCM = $(CGENDIR)/desc.scm $(CGENDIR)/desc-cpu.scm # Various choices for which cpu specific files to generate. # These are passed to cgen.sh in the "extrafiles" argument. CGEN_CPU_EXTR = /extr/ CGEN_CPU_READ = /read/ CGEN_CPU_WRITE = /write/ CGEN_CPU_SEM = /sem/ CGEN_CPU_SEMSW = /semsw/ CGEN_FLAGS_TO_PASS = \ CGEN='$(CGEN)' \ CGENFLAGS="$(CGENFLAGS)" # We store the generated files in the source directory until we decide to # ship a Scheme interpreter with gdb/binutils. Maybe we never will. cgen-arch: force $(SHELL) $(srccom)/cgen.sh arch $(srcdir) \ $(CGEN) $(CGENDIR) "$(CGENFLAGS)" \ $(arch) "$(FLAGS)" ignored "$(isa)" $(mach) ignored \ $(archfile) ignored cgen-cpu: force $(SHELL) $(srccom)/cgen.sh cpu $(srcdir) \ $(CGEN) $(CGENDIR) "$(CGENFLAGS)" \ $(arch) "$(FLAGS)" $(cpu) "$(isa)" $(mach) "$(SUFFIX)" \ $(archfile) "$(EXTRAFILES)" cgen-defs: force $(SHELL) $(srccom)/cgen.sh defs $(srcdir) \ $(CGEN) $(CGENDIR) "$(CGENFLAGS)" \ $(arch) "$(FLAGS)" $(cpu) "$(isa)" $(mach) "$(SUFFIX)" \ $(archfile) ignored cgen-decode: force $(SHELL) $(srccom)/cgen.sh decode $(srcdir) \ $(CGEN) $(CGENDIR) "$(CGENFLAGS)" \ $(arch) "$(FLAGS)" $(cpu) "$(isa)" $(mach) "$(SUFFIX)" \ $(archfile) "$(EXTRAFILES)" cgen-cpu-decode: force $(SHELL) $(srccom)/cgen.sh cpu-decode $(srcdir) \ $(CGEN) $(CGENDIR) "$(CGENFLAGS)" \ $(arch) "$(FLAGS)" $(cpu) "$(isa)" $(mach) "$(SUFFIX)" \ $(archfile) "$(EXTRAFILES)" cgen-desc: force $(SHELL) $(srccom)/cgen.sh desc $(srcdir) \ $(CGEN) $(CGENDIR) "$(CGENFLAGS)" \ $(arch) "$(FLAGS)" $(cpu) "$(isa)" $(mach) "$(SUFFIX)" \ $(archfile) ignored $(opcfile) ## End COMMON_POST_CONFIG_FRAG