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29 lines
934 B
29 lines
934 B
# SPDX-License-Identifier: GPL-2.0 |
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# The gate DSO image is built using a special linker script. |
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targets += gate.so gate.lds gate.o gate-dummy.o |
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obj-y += gate-syms.o |
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CPPFLAGS_gate.lds := -P -C -U$(ARCH) |
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quiet_cmd_gate = GATE $@ |
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cmd_gate = $(CC) -nostdlib $(GATECFLAGS_$(@F)) -Wl,-T,$(filter-out FORCE,$^) -o $@ |
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GATECFLAGS_gate.so = -shared -s -Wl,-soname=linux-gate.so.1 \ |
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-Wl,--hash-style=sysv |
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$(obj)/gate.so: $(obj)/gate.lds $(obj)/gate.o FORCE |
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$(call if_changed,gate) |
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GATECFLAGS_gate-dummy.o = -r |
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$(obj)/gate-dummy.o: $(obj)/gate.lds $(obj)/gate.o FORCE |
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$(call if_changed,gate) |
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LDFLAGS_gate-syms.o := -r -R |
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$(obj)/gate-syms.o: $(obj)/gate-dummy.o FORCE |
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$(call if_changed,ld) |
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# gate-data.o contains the gate DSO image as data in section .data..gate. |
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# We must build gate.so before we can assemble it. |
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# Note: kbuild does not track this dependency due to usage of .incbin |
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$(obj)/gate-data.o: $(obj)/gate.so
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