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0a129eb19a
These rules don't depend on the target compiler settings, so hoist the build logic up to the common builds for better parallelization. We have to extend the genmloop.sh logic a bit to allow outputting to a subdir since it always assumed cwd was the right place. We leave the cgen maintainer rules in the subdirs for now as they aren't normally run, and they rely on cgen logic that has not yet been generalized.
168 lines
4.7 KiB
Makefile
168 lines
4.7 KiB
Makefile
# Makefile template for configure for the eBPF simulator
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# Copyright (C) 2020-2021 Free Software Foundation, Inc.
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#
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# This file is part of GDB, the GNU debugger.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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## COMMON_PRE_CONFIG_FRAG
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CGEN_STD_OBJS = cgen-run.o cgen-scache.o cgen-trace.o cgen-utils.o
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BPF_GEN_OBJS = arch.o cpu.o \
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decode-le.o decode-be.o \
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sem-le.o sem-be.o \
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mloop-le.o mloop-be.o
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BPF_HAND_OBJS = bpf.o sim-if.o traps.o bpf-helpers.o
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SIM_OBJS = \
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$(SIM_NEW_COMMON_OBJS) \
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$(CGEN_STD_OBJS) \
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$(BPF_GEN_OBJS) \
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$(BPF_HAND_OBJS)
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SIM_EXTRA_DEPS = \
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$(CGEN_INCLUDE_DEPS) \
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arch.h \
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bpf-sim.h \
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eng-le.h eng-be.h \
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$(srcdir)/../../opcodes/bpf-desc.h \
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$(srcdir)/../../opcodes/bpf-opc.h
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SIM_EXTRA_CLEAN = bpf-clean
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## COMMON_POST_CONFIG_FRAG
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# BPF headers
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BPF_INCLUDE_DEPS = \
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$(CGEN_MAIN_CPU_DEPS) \
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$(SIM_EXTRA_DEPS) \
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cpu.h cpuall.h \
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decode-le.h decode-be.h \
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defs-le.h defs-be.h \
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eng-le.h eng-be.h
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# Dependencies for binaries from CGEN generated source
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mloop-le.o: mloop-le.c
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$(COMPILE) -DWANT_ISA_EBPFLE mloop-le.c
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$(POSTCOMPILE)
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mloop-be.o: mloop-be.c
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$(COMPILE) -DWANT_ISA_EBPFBE mloop-be.c
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$(POSTCOMPILE)
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decode-le.o: decode-le.c
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$(COMPILE) -DWANT_ISA_EBPFLE $(srcdir)/decode-le.c
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$(POSTCOMPILE)
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decode-be.o: decode-be.c $(BPF_INCLUDE_DEPS)
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$(COMPILE) -DWANT_ISA_EBPFBE $(srcdir)/decode-be.c
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$(POSTCOMPILE)
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sem-le.o: sem-le.c
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$(COMPILE) -DWANT_ISA_EBPFLE $(srcdir)/sem-le.c
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$(POSTCOMPILE)
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sem-be.o: sem-be.c
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$(COMPILE) -DWANT_ISA_EBPFBE $(srcdir)/sem-be.c
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$(POSTCOMPILE)
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arch = bpf
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CGEN_COMMON_DEPS = \
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$(CGEN_READ_SCM) \
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$(srcdir)/../../cpu/bpf.cpu \
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$(srcdir)/../../cpu/bpf.opc \
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Makefile
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stamp-arch: $(CGEN_COMMON_DEPS) $(CGEN_ARCH_SCM)
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$(MAKE) cgen-arch $(CGEN_FLAGS_TO_PASS) \
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mach=bpf cpu=bpfbf \
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archfile=$(srcdir)/../../cpu/bpf.cpu \
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FLAGS="with-scache"
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$(SILENCE) touch $@
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$(srcdir)/arch.h $(srcdir)/arch.c $(srcdir)/cpuall.h: $(CGEN_MAINT) stamp-arch
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@true
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stamp-cpu: $(CGEN_COMMON_DEPS) $(CGEN_CPU_SCM)
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$(MAKE) cgen-cpu $(CGEN_FLAGS_TO_PASS) \
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isa=ebpfle,ebpfbe cpu=bpfbf mach=bpf \
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archfile=$(srcdir)/../../cpu/bpf.cpu \
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FLAGS="with-multiple-isa with-scache"
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rm -f $(srcdir)/model.c
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$(SILENCE) touch $@
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$(srcdir)/cpu.h $(srcdir)/cpu.c $(srcdir)/model.c: $(CGEN_MAINT) stamp-cpu
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@true
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# We need to generate a group of files per ISA.
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# For eBPF little-endian:
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# defs-le.h
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# sem-le.c, decode-le.c, decode-le.h
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# $(objdir)/mloop-le.c $(objdir)/eng-le.h
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# For eBPF big-endian:
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# defs-be.h
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# sem-be.c, decode-be.c, decode-be.h
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# $(objdir)/mloop-be.c $(objdir)/eng-le.h
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#
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# The rules below take care of that.
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stamp-defs-le: $(CGEN_COMMON_DEPS) $(CGEN_CPU_SCM)
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$(MAKE) cgen-defs $(CGEN_FLAGS_TO_PASS) \
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isa=ebpfle cpu=bpfbf mach=bpf \
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archfile=$(srcdir)/../../cpu/bpf.cpu \
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FLAGS="with-scache" \
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SUFFIX="-le"
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$(SILENCE) touch $@
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$(srcdir)/defs-le.h: $(CGEN_MAINT) stamp-defs-le
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@true
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stamp-defs-be: $(CGEN_COMMON_DEPS) $(CGEN_CPU_SCM)
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$(MAKE) cgen-defs $(CGEN_FLAGS_TO_PASS) \
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isa=ebpfbe cpu=bpfbf mach=bpf \
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archfile=$(srcdir)/../../cpu/bpf.cpu \
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FLAGS="with-scache" \
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SUFFIX="-be"
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$(SILENCE) touch $@
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$(srcdir)/defs-be.h: $(CGEN_MAINT) stamp-defs-be
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@true
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stamp-decode-le: $(CGEN_COMMON_DEPS) $(CGEN_CPU_SCM) $(GEN_DECODE_SCM)
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$(MAKE) cgen-decode $(CGEN_FLAGS_TO_PASS) \
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isa=ebpfle cpu=bpfbf mach=bpf \
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archfile=$(srcdir)/../../cpu/bpf.cpu \
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FLAGS="with-scache" \
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SUFFIX="-le" \
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EXTRAFILES="$(CGEN_CPU_SEM)"
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$(SILENCE) touch $@
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$(srcdir)/sem-le.c $(srcdir)/decode-le.c $(srcdir)/decode-le.h: \
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$(CGEN_MAINT) stamp-decode-le
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@true
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stamp-decode-be: $(CGEN_COMMON_DEPS) $(CGEN_CPU_SCM) $(GEN_DECODE_SCM)
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$(MAKE) cgen-decode $(CGEN_FLAGS_TO_PASS) \
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isa=ebpfbe cpu=bpfbf mach=bpf \
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archfile=$(srcdir)/../../cpu/bpf.cpu \
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FLAGS="with-scache" \
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SUFFIX="-be" \
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EXTRAFILES="$(CGEN_CPU_SEM)"
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$(SILENCE) touch $@
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$(srcdir)/sem-be.c $(srcdir)/decode-be.c $(srcdir)/decode-be.h: \
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$(CGEN_MAINT) stamp-decode-be
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@true
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.PHONY = bpf-clean
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bpf-clean:
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rm -f stamp-arch stamp-cpu stamp-decode stamp-defs
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