Files
s390-tools/zipl/boot/Makefile
T
Jan Höppner 5e46632767 zipl: Use the compiler for linking instead of ld
Instead of directly calling ld, it is recommended to call the compiler
to do the linking. Do that and adapt the linker flags accordingly.

This also fixes build issues with newer binutils as -no-pie has never
been a valid option for ld itself.

See:
https://sourceware.org/bugzilla/show_bug.cgi?id=27050
https://bugs.launchpad.net/ubuntu/+source/s390-tools/+bug/1907789

LD has no user anymore and is removed.

Closes: https://github.com/ibm-s390-tools/s390-tools/pull/106
Reported-by: Lukas Märdian <lukas.maerdian@canonical.com>
Reviewed-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Reviewed-by: Stefan Haberland <sth@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
2022-03-09 12:11:49 +01:00

125 lines
3.8 KiB
Makefile

# Common definitions
include ../../common.mak
INCLUDE_PATHS := $(rootdir)/zipl/include $(rootdir)/include
INCLUDE_PARMS := $(addprefix -I,$(INCLUDE_PATHS))
ALL_CFLAGS = $(NO_PIE_CFLAGS) -Os -g $(INCLUDE_PARMS) \
-DS390_TOOLS_RELEASE=$(S390_TOOLS_RELEASE) \
-fno-builtin -ffreestanding -fno-asynchronous-unwind-tables \
-fno-delete-null-pointer-checks -fno-stack-protector \
-fexec-charset=IBM1047 -m64 -mpacked-stack \
-mstack-size=4096 -mstack-guard=128 -msoft-float \
-W -Wall -Wformat-security -fno-sanitize=all
ALL_LDFLAGS += -fno-sanitize=all
FILES = fba0.bin fba1b.bin fba2.bin \
eckd0_ldl.bin eckd0_cdl.bin \
eckd1.bin eckd1b.bin eckd2.bin \
tape0.bin \
eckd2dump_sv.bin tape2dump.bin fba2dump.bin eckd2dump_mv.bin
all: data.o data.h tape0.bin stage3.bin
# Prevent make from using some default rules...
%: %.S
%.o: %.S
$(CC) $(ALL_CFLAGS) -c -o $@ $<
%.o: %.c
$(CC) $(ALL_CFLAGS) -c -o $@ $<
# Dependencies for the .lds generation
sources_lds_S = $(wildcard *.lds.S)
dependencies_lds_S = $(sources_lds_S:%.lds.S=.%.lds.d)
# Include all ".lds.d" dependency files for all make targets except for "clean"
ifneq ($(MAKECMDGOALS),clean)
-include $(dependencies_lds_S)
endif
%.lds: %.lds.S
$(CPP) -Wp,-MD,.$@.d,-MT,$@ $(INCLUDE_PARMS) -P -C -o $@ $<
eckd2dump_sv.exec: \
head.o stage2dump.o cio.o eckd2dump.o eckd2dump_sv.o \
libc.o ebcdic.o sclp.o entry.o stage2.lds
eckd2dump_mv.exec: \
head.o stage2dump.o cio.o eckd2dump.o eckd2dump_mv.o \
libc.o ebcdic.o sclp.o entry.o stage2.lds
fba2dump.exec: \
head.o stage2dump.o cio.o fba2dump.o \
libc.o ebcdic.o sclp.o entry.o stage2.lds
tape2dump.exec: \
head.o stage2dump.o cio.o tape2dump.o \
libc.o ebcdic.o sclp.o entry.o stage2.lds
eckd2.exec: head.o stage2.o cio.o eckd2.o libc.o ebcdic.o menu.o sclp.o \
kdump2.o kdump.o entry.o stage2.lds
fba2.exec: head.o stage2.o cio.o fba2.o libc.o ebcdic.o menu.o sclp.o \
kdump2.o kdump.o entry.o stage2.lds
stage3.exec: head.o stage3.o kdump3.o libc.o ebcdic.o ebcdic_conv.o sclp.o \
sclp_stage3.o kdump.o entry.o stage3.lds
%.exec: %.o
STAGE=$$( \
echo $@ | awk ' \
match($$0,/[0-9]+b*/){ \
print substr($$0,RSTART,RLENGTH) \
}' \
); \
case $$STAGE in \
0) SFLAGS="$(NO_PIE_LINKFLAGS) -nostdlib -Wl,-Ttext,0";; \
1) SFLAGS="$(NO_PIE_LINKFLAGS) -nostdlib -Wl,-Ttext,0x18";; \
1b) SFLAGS="$(NO_PIE_LINKFLAGS) -nostdlib -Wl,-Ttext,0xE000";; \
2) SFLAGS="$(NO_PIE_LINKFLAGS) -nostdlib -Wl,-T,stage2.lds";; \
3) SFLAGS="$(NO_PIE_LINKFLAGS) -nostdlib -Wl,-T,stage3.lds";; \
esac; \
$(LINK) $$SFLAGS -m64 $(filter %.o, $^) -o $@
%.bin: %.exec
$(OBJCOPY) -O binary \
--only-section=.stage2.head \
--only-section=.text.dummy \
--only-section=.text.start \
--only-section=.text \
--only-section=.ex_table \
--only-section=.data \
--only-section=.rodata.str1.2 \
--only-section=.rodata.cst8 \
--only-section=.rodata \
--only-section=.stage2dump.tail \
--only-section=.eckd2dump_mv.tail \
--only-section=.fixup \
$< $@
stage3.bin: stage3.exec
$(OBJCOPY) -O binary \
--only-section=.stage2.head \
--only-section=.text.dummy \
--only-section=.text.start \
--only-section=.text \
--only-section=.ex_table \
--only-section=.data \
--only-section=.rodata.str1.2 \
--only-section=.rodata.cst8 \
--only-section=.rodata \
--only-section=.stage2dump.tail \
--only-section=.eckd2dump_mv.tail \
--only-section=.fixup \
--pad-to=0xe000 \
$< $@
data.o: $(FILES)
$(LINK) $(NO_PIE_LDFLAGS) -static -nostdlib -Wl,--relocatable -Wl,--format,binary -o data.o $(FILES)
data.h: data.o
rm -f data.h
$(NM) data.o | while read ADDR TYPE SYMBOL ; do \
echo "extern char $$SYMBOL;" >>data.h; done
clean:
rm -f *.o *.exec *.bin $(FILES) data.o data.h tape0.bin *.xxx *.yyy \
stage3.bin *.lds *.lds.d
.PHONY: all clean