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s390/decompressor: allow preprocessor in piggy.o linker script

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Rename vmlinux.scr to vmlinux.scr.lds.S and add it to build rules to
enable preprocessor for it.

Also add vmlinux.scr.lds to local .gitignore

Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Vasily Gorbik 2018-06-12 21:59:13 +02:00 • committed by Martin Schwidefsky
commit b8326bf52e
3 changed files with 3 additions and 2 deletions
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1
arch/s390/boot/compressed/.gitignore vendored
View file

@ -1,4 +1,5 @@
sizes.h
vmlinux
vmlinux.lds
vmlinux.scr.lds
vmlinux.bin.full

4
arch/s390/boot/compressed/Makefile
View file

@ -12,7 +12,7 @@ UBSAN_SANITIZE := n
obj-y := head.o misc.o piggy.o
targets := vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2
targets += vmlinux.bin.xz vmlinux.bin.lzma vmlinux.bin.lzo vmlinux.bin.lz4
targets += sizes.h $(obj-y)
targets += vmlinux.scr.lds sizes.h $(obj-y)
KBUILD_AFLAGS := $(KBUILD_AFLAGS_DECOMPRESSOR)
KBUILD_CFLAGS := $(KBUILD_CFLAGS_DECOMPRESSOR)
@ -72,7 +72,7 @@ $(obj)/vmlinux.bin.xz: $(vmlinux.bin.all-y)
$(call if_changed,xzkern)
LDFLAGS_piggy.o := -r --format binary --oformat $(LD_BFD) -T
$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y)
$(obj)/piggy.o: $(obj)/vmlinux.scr.lds $(obj)/vmlinux.bin.$(suffix-y)
$(call if_changed,ld)
chkbss := $(filter-out $(obj)/misc.o $(obj)/piggy.o,$(OBJECTS))

11
arch/s390/boot/compressed/vmlinux.scr.lds.S Normal file
View file

@ -0,0 +1,11 @@
/* SPDX-License-Identifier: GPL-2.0 */
SECTIONS
{
.rodata.compressed : {
input_len = .;
LONG(input_data_end - input_data) input_data = .;
*(.data)
output_len = . - 4;
input_data_end = .;
}
}