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42889edc0c
Install libasan first, e.g. on Fedora 32: dnf install -y libasan libasan-static. To compile with address sanitizer, pass ASAN=1 to make. AdressSanitizer helps to catch various memory bugs for which C/C++ is infamous. Signed-off-by: Alexander Egorenkov <egorenar@linux.ibm.com> Reviewed-by: Philipp Rudo <prudo@linux.ibm.com> Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
125 lines
3.7 KiB
Makefile
125 lines
3.7 KiB
Makefile
# Common definitions
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include ../../common.mak
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INCLUDE_PATHS := $(rootdir)/zipl/include $(rootdir)/include
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INCLUDE_PARMS := $(addprefix -I,$(INCLUDE_PATHS))
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ALL_CFLAGS = $(NO_PIE_CFLAGS) -Os -g $(INCLUDE_PARMS) \
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-DS390_TOOLS_RELEASE=$(S390_TOOLS_RELEASE) \
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-fno-builtin -ffreestanding -fno-asynchronous-unwind-tables \
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-fno-delete-null-pointer-checks -fno-stack-protector \
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-fexec-charset=IBM1047 -m64 -mpacked-stack \
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-mstack-size=4096 -mstack-guard=128 -msoft-float \
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-W -Wall -Wformat-security -fno-sanitize=all
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ALL_LDFLAGS += -fno-sanitize=all
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FILES = fba0.bin fba1b.bin fba2.bin \
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eckd0_ldl.bin eckd0_cdl.bin \
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eckd1.bin eckd1b.bin eckd2.bin \
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tape0.bin \
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eckd2dump_sv.bin tape2dump.bin fba2dump.bin eckd2dump_mv.bin
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all: data.o data.h tape0.bin stage3.bin
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# Prevent make from using some default rules...
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%: %.S
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%.o: %.S
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$(CC) $(ALL_CFLAGS) -c -o $@ $<
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%.o: %.c
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$(CC) $(ALL_CFLAGS) -c -o $@ $<
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# Dependencies for the .lds generation
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sources_lds_S = $(wildcard *.lds.S)
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dependencies_lds_S = $(sources_lds_S:%.lds.S=.%.lds.d)
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# Include all ".lds.d" dependency files for all make targets except for "clean"
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ifneq ($(MAKECMDGOALS),clean)
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-include $(dependencies_lds_S)
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endif
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%.lds: %.lds.S
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$(CPP) -Wp,-MD,.$@.d,-MT,$@ $(INCLUDE_PARMS) -P -C -o $@ $<
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eckd2dump_sv.exec: \
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head.o stage2dump.o cio.o eckd2dump.o eckd2dump_sv.o \
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libc.o ebcdic.o sclp.o entry.o stage2.lds
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eckd2dump_mv.exec: \
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head.o stage2dump.o cio.o eckd2dump.o eckd2dump_mv.o \
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libc.o ebcdic.o sclp.o entry.o stage2.lds
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fba2dump.exec: \
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head.o stage2dump.o cio.o fba2dump.o \
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libc.o ebcdic.o sclp.o entry.o stage2.lds
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tape2dump.exec: \
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head.o stage2dump.o cio.o tape2dump.o \
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libc.o ebcdic.o sclp.o entry.o stage2.lds
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eckd2.exec: head.o stage2.o cio.o eckd2.o libc.o ebcdic.o menu.o sclp.o \
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kdump2.o kdump.o entry.o stage2.lds
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fba2.exec: head.o stage2.o cio.o fba2.o libc.o ebcdic.o menu.o sclp.o \
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kdump2.o kdump.o entry.o stage2.lds
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stage3.exec: head.o stage3.o kdump3.o libc.o ebcdic.o ebcdic_conv.o sclp.o \
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sclp_stage3.o kdump.o entry.o stage3.lds
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%.exec: %.o
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STAGE=$$( \
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echo $@ | awk ' \
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match($$0,/[0-9]+b*/){ \
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print substr($$0,RSTART,RLENGTH) \
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}' \
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); \
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case $$STAGE in \
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0) SFLAGS="$(NO_PIE_LINKFLAGS) -nostdlib -Wl,-Ttext,0";; \
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1) SFLAGS="$(NO_PIE_LINKFLAGS) -nostdlib -Wl,-Ttext,0x18";; \
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1b) SFLAGS="$(NO_PIE_LINKFLAGS) -nostdlib -Wl,-Ttext,0xE000";; \
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2) SFLAGS="$(NO_PIE_LINKFLAGS) -nostdlib -Wl,-T,stage2.lds";; \
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3) SFLAGS="$(NO_PIE_LINKFLAGS) -nostdlib -Wl,-T,stage3.lds";; \
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esac; \
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$(LINK) $$SFLAGS -m64 $(filter %.o, $^) -o $@
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%.bin: %.exec
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$(OBJCOPY) -O binary \
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--only-section=.stage2.head \
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--only-section=.text.dummy \
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--only-section=.text.start \
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--only-section=.text \
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--only-section=.ex_table \
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--only-section=.data \
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--only-section=.rodata.str1.2 \
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--only-section=.rodata.cst8 \
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--only-section=.rodata \
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--only-section=.stage2dump.tail \
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--only-section=.eckd2dump_mv.tail \
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--only-section=.fixup \
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$< $@
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stage3.bin: stage3.exec
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$(OBJCOPY) -O binary \
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--only-section=.stage2.head \
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--only-section=.text.dummy \
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--only-section=.text.start \
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--only-section=.text \
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--only-section=.ex_table \
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--only-section=.data \
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--only-section=.rodata.str1.2 \
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--only-section=.rodata.cst8 \
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--only-section=.rodata \
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--only-section=.stage2dump.tail \
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--only-section=.eckd2dump_mv.tail \
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--only-section=.fixup \
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--pad-to=0xe000 \
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$< $@
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data.o: $(FILES)
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$(LD) $(NO_PIE_LDFLAGS) -r -b binary -o data.o $(FILES)
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data.h: data.o
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rm -f data.h
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$(NM) data.o | while read ADDR TYPE SYMBOL ; do \
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echo "extern char $$SYMBOL;" >>data.h; done
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clean:
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rm -f *.o *.exec *.bin $(FILES) data.o data.h tape0.bin *.xxx *.yyy \
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stage3.bin *.lds *.lds.d
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.PHONY: all clean
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